1 /* dwarf.c -- display DWARF contents of a BFD binary file
2 Copyright (C) 2005-2019 Free Software Foundation, Inc.
4 This file is part of GNU Binutils.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
22 #include "libiberty.h"
24 #include "bfd_stdint.h"
27 #include "elf/common.h"
30 #include "gdb/gdb-index.h"
31 #include "filenames.h"
36 #define MAX(a, b) ((a) > (b) ? (a) : (b))
37 #define MIN(a, b) ((a) < (b) ? (a) : (b))
39 static const char *regname (unsigned int regno, int row);
41 static int have_frame_base;
42 static int need_base_address;
44 static unsigned int num_debug_info_entries = 0;
45 static unsigned int alloc_num_debug_info_entries = 0;
46 static debug_info *debug_information = NULL;
47 /* Special value for num_debug_info_entries to indicate
48 that the .debug_info section could not be loaded/parsed. */
49 #define DEBUG_INFO_UNAVAILABLE (unsigned int) -1
51 /* A .debug_info section can contain multiple links to separate
52 DWO object files. We use these structures to record these links. */
60 typedef struct dwo_info
64 struct dwo_info * next;
67 static dwo_info * first_dwo_info = NULL;
68 static bfd_boolean need_dwo_info;
70 separate_info * first_separate_info = NULL;
72 unsigned int eh_addr_size;
77 int do_debug_pubnames;
78 int do_debug_pubtypes;
82 int do_debug_frames_interp;
91 int do_debug_cu_index;
96 int dwarf_cutoff_level = -1;
97 unsigned long dwarf_start_die;
101 /* Convenient constant, to avoid having to cast -1 to dwarf_vma when
102 testing whether e.g. a locview list is present. */
103 static const dwarf_vma vm1 = -1;
105 /* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index
106 sections. For version 1 package files, each set is stored in SHNDX_POOL
107 as a zero-terminated list of section indexes comprising one set of debug
108 sections from a .dwo file. */
110 static unsigned int *shndx_pool = NULL;
111 static unsigned int shndx_pool_size = 0;
112 static unsigned int shndx_pool_used = 0;
114 /* For version 2 package files, each set contains an array of section offsets
115 and an array of section sizes, giving the offset and size of the
116 contribution from a CU or TU within one of the debug sections.
117 When displaying debug info from a package file, we need to use these
118 tables to locate the corresponding contributions to each section. */
123 dwarf_vma section_offsets[DW_SECT_MAX];
124 size_t section_sizes[DW_SECT_MAX];
127 static int cu_count = 0;
128 static int tu_count = 0;
129 static struct cu_tu_set *cu_sets = NULL;
130 static struct cu_tu_set *tu_sets = NULL;
132 static bfd_boolean load_cu_tu_indexes (void *);
134 /* Values for do_debug_lines. */
135 #define FLAG_DEBUG_LINES_RAW 1
136 #define FLAG_DEBUG_LINES_DECODED 2
139 size_of_encoded_value (int encoding)
141 switch (encoding & 0x7)
144 case 0: return eh_addr_size;
152 get_encoded_value (unsigned char **pdata,
154 struct dwarf_section *section,
157 unsigned char * data = * pdata;
158 unsigned int size = size_of_encoded_value (encoding);
161 if (data + size >= end)
163 warn (_("Encoded value extends past end of section\n"));
168 /* PR 17512: file: 002-829853-0.004. */
171 warn (_("Encoded size of %d is too large to read\n"), size);
176 /* PR 17512: file: 1085-5603-0.004. */
179 warn (_("Encoded size of 0 is too small to read\n"));
184 if (encoding & DW_EH_PE_signed)
185 val = byte_get_signed (data, size);
187 val = byte_get (data, size);
189 if ((encoding & 0x70) == DW_EH_PE_pcrel)
190 val += section->address + (data - section->start);
192 * pdata = data + size;
196 #if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG
198 # define DWARF_VMA_FMT "ll"
199 # define DWARF_VMA_FMT_LONG "%16.16llx"
201 # define DWARF_VMA_FMT "I64"
202 # define DWARF_VMA_FMT_LONG "%016I64x"
205 # define DWARF_VMA_FMT "l"
206 # define DWARF_VMA_FMT_LONG "%16.16lx"
209 /* Convert a dwarf vma value into a string. Returns a pointer to a static
210 buffer containing the converted VALUE. The value is converted according
211 to the printf formating character FMTCH. If NUM_BYTES is non-zero then
212 it specifies the maximum number of bytes to be displayed in the converted
213 value and FMTCH is ignored - hex is always used. */
216 dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes)
218 /* As dwarf_vmatoa is used more then once in a printf call
219 for output, we are cycling through an fixed array of pointers
220 for return address. */
221 static int buf_pos = 0;
222 static struct dwarf_vmatoa_buf
228 ret = buf[buf_pos++].place;
229 buf_pos %= ARRAY_SIZE (buf);
233 /* Printf does not have a way of specifying a maximum field width for an
234 integer value, so we print the full value into a buffer and then select
235 the precision we need. */
236 snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value);
239 return ret + (16 - 2 * num_bytes);
246 sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
248 sprintf (fmt, "%%%s", DWARF_VMA_FMT);
249 snprintf (ret, sizeof (buf[0].place), fmt, value);
254 static inline const char *
255 dwarf_vmatoa (const char * fmtch, dwarf_vma value)
257 return dwarf_vmatoa_1 (fmtch, value, 0);
260 /* Print a dwarf_vma value (typically an address, offset or length) in
261 hexadecimal format, followed by a space. The length of the VALUE (and
262 hence the precision displayed) is determined by the NUM_BYTES parameter. */
265 print_dwarf_vma (dwarf_vma value, unsigned num_bytes)
267 printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes));
270 /* Print a view number in hexadecimal value, with the same width
271 print_dwarf_vma would have printed it with the same num_bytes.
272 Print blanks for zero view, unless force is nonzero. */
275 print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force)
283 assert (value == (unsigned long) value);
285 printf ("v%0*lx ", len - 1, (unsigned long) value);
287 printf ("%*s", len + 1, "");
290 /* Format a 64-bit value, given as two 32-bit values, in hex.
291 For reentrancy, this uses a buffer provided by the caller. */
294 dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf,
295 unsigned int buf_len)
300 snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue);
303 len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue);
304 snprintf (buf + len, buf_len - len,
305 "%08" DWARF_VMA_FMT "x", lvalue);
311 /* Read in a LEB128 encoded value starting at address DATA.
312 If SIGN is true, return a signed LEB128 value.
313 If LENGTH_RETURN is not NULL, return in it the number of bytes read.
314 No bytes will be read at address END or beyond. */
317 read_leb128 (unsigned char *data,
318 unsigned int *length_return,
320 const unsigned char * const end)
322 dwarf_vma result = 0;
323 unsigned int num_read = 0;
324 unsigned int shift = 0;
325 unsigned char byte = 0;
332 result |= ((dwarf_vma) (byte & 0x7f)) << shift;
335 if ((byte & 0x80) == 0)
338 /* PR 17512: file: 0ca183b8.
339 FIXME: Should we signal this error somehow ? */
340 if (shift >= sizeof (result) * 8)
344 if (length_return != NULL)
345 *length_return = num_read;
347 if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
348 result |= -((dwarf_vma) 1 << shift);
353 /* Create a signed version to avoid painful typecasts. */
354 static inline dwarf_signed_vma
355 read_sleb128 (unsigned char * data,
356 unsigned int * length_return,
357 const unsigned char * const end)
359 return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end);
362 static inline dwarf_vma
363 read_uleb128 (unsigned char * data,
364 unsigned int * length_return,
365 const unsigned char * const end)
367 return read_leb128 (data, length_return, FALSE, end);
370 #define SKIP_ULEB() read_uleb128 (start, & length_return, end); start += length_return
371 #define SKIP_SLEB() read_sleb128 (start, & length_return, end); start += length_return
373 #define READ_ULEB(var) \
378 (var) = _val = read_uleb128 (start, &length_return, end); \
380 error (_("Internal error: %s:%d: LEB value (%s) " \
381 "too large for containing variable\n"), \
382 __FILE__, __LINE__, dwarf_vmatoa ("u", _val)); \
383 start += length_return; \
387 #define READ_SLEB(var) \
390 dwarf_signed_vma _val; \
392 (var) = _val = read_sleb128 (start, &length_return, end); \
394 error (_("Internal error: %s:%d: LEB value (%s) " \
395 "too large for containing variable\n"), \
396 __FILE__, __LINE__, dwarf_vmatoa ("d", _val)); \
397 start += length_return; \
401 /* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value.
402 Checks to make sure that the read will not reach or pass END
403 and that VAL is big enough to hold AMOUNT bytes. */
404 #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \
407 unsigned int amount = (AMOUNT); \
408 if (sizeof (VAL) < amount) \
410 error (ngettext ("internal error: attempt to read %d byte " \
411 "of data in to %d sized variable", \
412 "internal error: attempt to read %d bytes " \
413 "of data in to %d sized variable", \
415 amount, (int) sizeof (VAL)); \
416 amount = sizeof (VAL); \
418 if (((PTR) + amount) >= (END)) \
421 amount = (END) - (PTR); \
425 if (amount == 0 || amount > 8) \
428 VAL = byte_get ((PTR), amount); \
432 /* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */
433 #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
436 SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \
441 /* Like SAFE_BYTE_GET, but reads a signed value. */
442 #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \
445 unsigned int amount = (AMOUNT); \
446 if (((PTR) + amount) >= (END)) \
449 amount = (END) - (PTR); \
454 VAL = byte_get_signed ((PTR), amount); \
460 /* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */
461 #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
464 SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \
469 #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \
472 if (((PTR) + 8) <= (END)) \
474 byte_get_64 ((PTR), (HIGH), (LOW)); \
478 * (LOW) = * (HIGH) = 0; \
483 typedef struct State_Machine_Registers
492 unsigned char op_index;
493 unsigned char end_sequence;
494 /* This variable hold the number of the last entry seen
495 in the File Table. */
496 unsigned int last_file_entry;
499 static SMR state_machine_regs;
502 reset_state_machine (int is_stmt)
504 state_machine_regs.address = 0;
505 state_machine_regs.view = 0;
506 state_machine_regs.op_index = 0;
507 state_machine_regs.file = 1;
508 state_machine_regs.line = 1;
509 state_machine_regs.column = 0;
510 state_machine_regs.is_stmt = is_stmt;
511 state_machine_regs.basic_block = 0;
512 state_machine_regs.end_sequence = 0;
513 state_machine_regs.last_file_entry = 0;
516 /* Handled an extend line op.
517 Returns the number of bytes read. */
520 process_extended_line_op (unsigned char * data,
524 unsigned char op_code;
525 unsigned int bytes_read;
528 unsigned char *orig_data = data;
531 len = read_uleb128 (data, & bytes_read, end);
534 if (len == 0 || data == end || len > (uintptr_t) (end - data))
536 warn (_("Badly formed extended line op encountered!\n"));
543 printf (_(" Extended opcode %d: "), op_code);
547 case DW_LNE_end_sequence:
548 printf (_("End of Sequence\n\n"));
549 reset_state_machine (is_stmt);
552 case DW_LNE_set_address:
553 /* PR 17512: file: 002-100480-0.004. */
554 if (len - bytes_read - 1 > 8)
556 warn (_("Length (%d) of DW_LNE_set_address op is too long\n"),
557 len - bytes_read - 1);
561 SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end);
562 printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr));
563 state_machine_regs.address = adr;
564 state_machine_regs.view = 0;
565 state_machine_regs.op_index = 0;
568 case DW_LNE_define_file:
569 printf (_("define new File Table entry\n"));
570 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
571 printf (" %d\t", ++state_machine_regs.last_file_entry);
577 l = strnlen ((char *) data, end - data);
579 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
581 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
583 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
585 printf ("%.*s\n\n", (int) l, name);
588 if (((unsigned int) (data - orig_data) != len) || data == end)
589 warn (_("DW_LNE_define_file: Bad opcode length\n"));
592 case DW_LNE_set_discriminator:
593 printf (_("set Discriminator to %s\n"),
594 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
598 case DW_LNE_HP_negate_is_UV_update:
599 printf ("DW_LNE_HP_negate_is_UV_update\n");
601 case DW_LNE_HP_push_context:
602 printf ("DW_LNE_HP_push_context\n");
604 case DW_LNE_HP_pop_context:
605 printf ("DW_LNE_HP_pop_context\n");
607 case DW_LNE_HP_set_file_line_column:
608 printf ("DW_LNE_HP_set_file_line_column\n");
610 case DW_LNE_HP_set_routine_name:
611 printf ("DW_LNE_HP_set_routine_name\n");
613 case DW_LNE_HP_set_sequence:
614 printf ("DW_LNE_HP_set_sequence\n");
616 case DW_LNE_HP_negate_post_semantics:
617 printf ("DW_LNE_HP_negate_post_semantics\n");
619 case DW_LNE_HP_negate_function_exit:
620 printf ("DW_LNE_HP_negate_function_exit\n");
622 case DW_LNE_HP_negate_front_end_logical:
623 printf ("DW_LNE_HP_negate_front_end_logical\n");
625 case DW_LNE_HP_define_proc:
626 printf ("DW_LNE_HP_define_proc\n");
628 case DW_LNE_HP_source_file_correlation:
630 unsigned char *edata = data + len - bytes_read - 1;
632 printf ("DW_LNE_HP_source_file_correlation\n");
638 opc = read_uleb128 (data, & bytes_read, edata);
643 case DW_LNE_HP_SFC_formfeed:
644 printf (" DW_LNE_HP_SFC_formfeed\n");
646 case DW_LNE_HP_SFC_set_listing_line:
647 printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n",
649 read_uleb128 (data, & bytes_read, edata)));
652 case DW_LNE_HP_SFC_associate:
653 printf (" DW_LNE_HP_SFC_associate ");
656 read_uleb128 (data, & bytes_read, edata)));
660 read_uleb128 (data, & bytes_read, edata)));
664 read_uleb128 (data, & bytes_read, edata)));
668 printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc);
678 unsigned int rlen = len - bytes_read - 1;
680 if (op_code >= DW_LNE_lo_user
681 /* The test against DW_LNW_hi_user is redundant due to
682 the limited range of the unsigned char data type used
684 /*&& op_code <= DW_LNE_hi_user*/)
685 printf (_("user defined: "));
687 printf (_("UNKNOWN: "));
688 printf (_("length %d ["), rlen);
690 printf (" %02x", *data++);
699 static const unsigned char *
700 fetch_indirect_string (dwarf_vma offset)
702 struct dwarf_section *section = &debug_displays [str].section;
703 const unsigned char * ret;
705 if (section->start == NULL)
706 return (const unsigned char *) _("<no .debug_str section>");
708 if (offset >= section->size)
710 warn (_("DW_FORM_strp offset too big: %s\n"),
711 dwarf_vmatoa ("x", offset));
712 return (const unsigned char *) _("<offset is too big>");
715 ret = section->start + offset;
716 /* Unfortunately we cannot rely upon the .debug_str section ending with a
717 NUL byte. Since our caller is expecting to receive a well formed C
718 string we test for the lack of a terminating byte here. */
719 if (strnlen ((const char *) ret, section->size - offset)
720 == section->size - offset)
721 ret = (const unsigned char *)
722 _("<no NUL byte at end of .debug_str section>");
727 static const unsigned char *
728 fetch_indirect_line_string (dwarf_vma offset)
730 struct dwarf_section *section = &debug_displays [line_str].section;
731 const unsigned char * ret;
733 if (section->start == NULL)
734 return (const unsigned char *) _("<no .debug_line_str section>");
736 if (offset >= section->size)
738 warn (_("DW_FORM_line_strp offset too big: %s\n"),
739 dwarf_vmatoa ("x", offset));
740 return (const unsigned char *) _("<offset is too big>");
743 ret = section->start + offset;
744 /* Unfortunately we cannot rely upon the .debug_line_str section ending
745 with a NUL byte. Since our caller is expecting to receive a well formed
746 C string we test for the lack of a terminating byte here. */
747 if (strnlen ((const char *) ret, section->size - offset)
748 == section->size - offset)
749 ret = (const unsigned char *)
750 _("<no NUL byte at end of .debug_line_str section>");
756 fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set,
757 dwarf_vma offset_size, bfd_boolean dwo)
759 enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str;
760 enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index;
761 struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section;
762 struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
763 dwarf_vma index_offset = idx * offset_size;
764 dwarf_vma str_offset;
767 if (index_section->start == NULL)
768 return (dwo ? _("<no .debug_str_offsets.dwo section>")
769 : _("<no .debug_str_offsets section>"));
771 if (this_set != NULL)
772 index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS];
773 if (index_offset >= index_section->size)
775 warn (_("DW_FORM_GNU_str_index offset too big: %s\n"),
776 dwarf_vmatoa ("x", index_offset));
777 return _("<index offset is too big>");
780 if (str_section->start == NULL)
781 return (dwo ? _("<no .debug_str.dwo section>")
782 : _("<no .debug_str section>"));
784 str_offset = byte_get (index_section->start + index_offset, offset_size);
785 str_offset -= str_section->address;
786 if (str_offset >= str_section->size)
788 warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"),
789 dwarf_vmatoa ("x", str_offset));
790 return _("<indirect index offset is too big>");
793 ret = (const char *) str_section->start + str_offset;
794 /* Unfortunately we cannot rely upon str_section ending with a NUL byte.
795 Since our caller is expecting to receive a well formed C string we test
796 for the lack of a terminating byte here. */
797 if (strnlen (ret, str_section->size - str_offset)
798 == str_section->size - str_offset)
799 ret = (const char *) _("<no NUL byte at end of section>");
805 fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes)
807 struct dwarf_section *section = &debug_displays [debug_addr].section;
809 if (section->start == NULL)
810 return (_("<no .debug_addr section>"));
812 if (offset + bytes > section->size)
814 warn (_("Offset into section %s too big: %s\n"),
815 section->name, dwarf_vmatoa ("x", offset));
816 return "<offset too big>";
819 return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes));
823 /* FIXME: There are better and more efficient ways to handle
824 these structures. For now though, I just want something that
825 is simple to implement. */
826 typedef struct abbrev_attr
828 unsigned long attribute;
830 bfd_signed_vma implicit_const;
831 struct abbrev_attr *next;
835 typedef struct abbrev_entry
840 struct abbrev_attr *first_attr;
841 struct abbrev_attr *last_attr;
842 struct abbrev_entry *next;
846 static abbrev_entry *first_abbrev = NULL;
847 static abbrev_entry *last_abbrev = NULL;
854 for (abbrv = first_abbrev; abbrv;)
856 abbrev_entry *next_abbrev = abbrv->next;
859 for (attr = abbrv->first_attr; attr;)
861 abbrev_attr *next_attr = attr->next;
871 last_abbrev = first_abbrev = NULL;
875 add_abbrev (unsigned long number, unsigned long tag, int children)
879 entry = (abbrev_entry *) malloc (sizeof (*entry));
884 entry->entry = number;
886 entry->children = children;
887 entry->first_attr = NULL;
888 entry->last_attr = NULL;
891 if (first_abbrev == NULL)
892 first_abbrev = entry;
894 last_abbrev->next = entry;
900 add_abbrev_attr (unsigned long attribute, unsigned long form,
901 bfd_signed_vma implicit_const)
905 attr = (abbrev_attr *) malloc (sizeof (*attr));
910 attr->attribute = attribute;
912 attr->implicit_const = implicit_const;
915 if (last_abbrev->first_attr == NULL)
916 last_abbrev->first_attr = attr;
918 last_abbrev->last_attr->next = attr;
920 last_abbrev->last_attr = attr;
923 /* Processes the (partial) contents of a .debug_abbrev section.
924 Returns NULL if the end of the section was encountered.
925 Returns the address after the last byte read if the end of
926 an abbreviation set was found. */
928 static unsigned char *
929 process_abbrev_section (unsigned char *start, unsigned char *end)
931 if (first_abbrev != NULL)
936 unsigned int bytes_read;
939 unsigned long attribute;
942 entry = read_uleb128 (start, & bytes_read, end);
945 /* A single zero is supposed to end the section according
946 to the standard. If there's more, then signal that to
953 tag = read_uleb128 (start, & bytes_read, end);
960 add_abbrev (entry, tag, children);
965 /* Initialize it due to a false compiler warning. */
966 bfd_signed_vma implicit_const = -1;
968 attribute = read_uleb128 (start, & bytes_read, end);
973 form = read_uleb128 (start, & bytes_read, end);
978 if (form == DW_FORM_implicit_const)
980 implicit_const = read_sleb128 (start, & bytes_read, end);
986 add_abbrev_attr (attribute, form, implicit_const);
988 while (attribute != 0);
991 /* Report the missing single zero which ends the section. */
992 error (_(".debug_abbrev section not zero terminated\n"));
998 get_TAG_name (unsigned long tag)
1000 const char *name = get_DW_TAG_name ((unsigned int) tag);
1004 static char buffer[100];
1006 if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user)
1007 snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag);
1009 snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag);
1017 get_FORM_name (unsigned long form)
1022 return "DW_FORM value: 0";
1024 name = get_DW_FORM_name (form);
1027 static char buffer[100];
1029 snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
1037 get_IDX_name (unsigned long idx)
1039 const char *name = get_DW_IDX_name ((unsigned int) idx);
1043 static char buffer[100];
1045 snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx);
1052 static unsigned char *
1053 display_block (unsigned char *data,
1055 const unsigned char * const end, char delimiter)
1059 printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length));
1061 return (unsigned char *) end;
1063 maxlen = (dwarf_vma) (end - data);
1064 length = length > maxlen ? maxlen : length;
1067 printf ("%lx ", (unsigned long) byte_get (data++, 1));
1073 decode_location_expression (unsigned char * data,
1074 unsigned int pointer_size,
1075 unsigned int offset_size,
1078 dwarf_vma cu_offset,
1079 struct dwarf_section * section)
1082 unsigned int bytes_read;
1084 dwarf_signed_vma svalue;
1085 unsigned char *end = data + length;
1086 int need_frame_base = 0;
1095 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1096 printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue));
1099 printf ("DW_OP_deref");
1102 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1103 printf ("DW_OP_const1u: %lu", (unsigned long) uvalue);
1106 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end);
1107 printf ("DW_OP_const1s: %ld", (long) svalue);
1110 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
1111 printf ("DW_OP_const2u: %lu", (unsigned long) uvalue);
1114 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1115 printf ("DW_OP_const2s: %ld", (long) svalue);
1118 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1119 printf ("DW_OP_const4u: %lu", (unsigned long) uvalue);
1122 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1123 printf ("DW_OP_const4s: %ld", (long) svalue);
1126 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1127 printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue);
1128 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1129 printf ("%lu", (unsigned long) uvalue);
1132 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1133 printf ("DW_OP_const8s: %ld ", (long) svalue);
1134 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1135 printf ("%ld", (long) svalue);
1138 printf ("DW_OP_constu: %s",
1139 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1143 printf ("DW_OP_consts: %s",
1144 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
1148 printf ("DW_OP_dup");
1151 printf ("DW_OP_drop");
1154 printf ("DW_OP_over");
1157 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1158 printf ("DW_OP_pick: %ld", (unsigned long) uvalue);
1161 printf ("DW_OP_swap");
1164 printf ("DW_OP_rot");
1167 printf ("DW_OP_xderef");
1170 printf ("DW_OP_abs");
1173 printf ("DW_OP_and");
1176 printf ("DW_OP_div");
1179 printf ("DW_OP_minus");
1182 printf ("DW_OP_mod");
1185 printf ("DW_OP_mul");
1188 printf ("DW_OP_neg");
1191 printf ("DW_OP_not");
1194 printf ("DW_OP_or");
1197 printf ("DW_OP_plus");
1199 case DW_OP_plus_uconst:
1200 printf ("DW_OP_plus_uconst: %s",
1201 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1205 printf ("DW_OP_shl");
1208 printf ("DW_OP_shr");
1211 printf ("DW_OP_shra");
1214 printf ("DW_OP_xor");
1217 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1218 printf ("DW_OP_bra: %ld", (long) svalue);
1221 printf ("DW_OP_eq");
1224 printf ("DW_OP_ge");
1227 printf ("DW_OP_gt");
1230 printf ("DW_OP_le");
1233 printf ("DW_OP_lt");
1236 printf ("DW_OP_ne");
1239 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1240 printf ("DW_OP_skip: %ld", (long) svalue);
1275 printf ("DW_OP_lit%d", op - DW_OP_lit0);
1310 printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0,
1311 regname (op - DW_OP_reg0, 1));
1346 printf ("DW_OP_breg%d (%s): %s",
1348 regname (op - DW_OP_breg0, 1),
1349 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
1354 uvalue = read_uleb128 (data, &bytes_read, end);
1356 printf ("DW_OP_regx: %s (%s)",
1357 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
1360 need_frame_base = 1;
1361 printf ("DW_OP_fbreg: %s",
1362 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
1366 uvalue = read_uleb128 (data, &bytes_read, end);
1368 printf ("DW_OP_bregx: %s (%s) %s",
1369 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1),
1370 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
1374 printf ("DW_OP_piece: %s",
1375 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1378 case DW_OP_deref_size:
1379 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1380 printf ("DW_OP_deref_size: %ld", (long) uvalue);
1382 case DW_OP_xderef_size:
1383 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1384 printf ("DW_OP_xderef_size: %ld", (long) uvalue);
1387 printf ("DW_OP_nop");
1390 /* DWARF 3 extensions. */
1391 case DW_OP_push_object_address:
1392 printf ("DW_OP_push_object_address");
1395 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1396 this ought to be an 8-byte wide computation. */
1397 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1398 printf ("DW_OP_call2: <0x%s>",
1399 dwarf_vmatoa ("x", svalue + cu_offset));
1402 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1403 this ought to be an 8-byte wide computation. */
1404 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1405 printf ("DW_OP_call4: <0x%s>",
1406 dwarf_vmatoa ("x", svalue + cu_offset));
1408 case DW_OP_call_ref:
1409 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1410 this ought to be an 8-byte wide computation. */
1411 if (dwarf_version == -1)
1413 printf (_("(DW_OP_call_ref in frame info)"));
1414 /* No way to tell where the next op is, so just bail. */
1415 return need_frame_base;
1417 if (dwarf_version == 2)
1419 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1423 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1425 printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue));
1427 case DW_OP_form_tls_address:
1428 printf ("DW_OP_form_tls_address");
1430 case DW_OP_call_frame_cfa:
1431 printf ("DW_OP_call_frame_cfa");
1433 case DW_OP_bit_piece:
1434 printf ("DW_OP_bit_piece: ");
1435 printf (_("size: %s "),
1436 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1438 printf (_("offset: %s "),
1439 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1443 /* DWARF 4 extensions. */
1444 case DW_OP_stack_value:
1445 printf ("DW_OP_stack_value");
1448 case DW_OP_implicit_value:
1449 printf ("DW_OP_implicit_value");
1450 uvalue = read_uleb128 (data, &bytes_read, end);
1452 data = display_block (data, uvalue, end, ' ');
1455 /* GNU extensions. */
1456 case DW_OP_GNU_push_tls_address:
1457 printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"));
1459 case DW_OP_GNU_uninit:
1460 printf ("DW_OP_GNU_uninit");
1461 /* FIXME: Is there data associated with this OP ? */
1463 case DW_OP_GNU_encoded_addr:
1470 addr = get_encoded_value (&data, encoding, section, end);
1472 printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
1473 print_dwarf_vma (addr, pointer_size);
1476 case DW_OP_implicit_pointer:
1477 case DW_OP_GNU_implicit_pointer:
1478 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1479 this ought to be an 8-byte wide computation. */
1480 if (dwarf_version == -1)
1482 printf (_("(%s in frame info)"),
1483 (op == DW_OP_implicit_pointer
1484 ? "DW_OP_implicit_pointer"
1485 : "DW_OP_GNU_implicit_pointer"));
1486 /* No way to tell where the next op is, so just bail. */
1487 return need_frame_base;
1489 if (dwarf_version == 2)
1491 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1495 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1497 printf ("%s: <0x%s> %s",
1498 (op == DW_OP_implicit_pointer
1499 ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"),
1500 dwarf_vmatoa ("x", uvalue),
1501 dwarf_vmatoa ("d", read_sleb128 (data,
1502 &bytes_read, end)));
1505 case DW_OP_entry_value:
1506 case DW_OP_GNU_entry_value:
1507 uvalue = read_uleb128 (data, &bytes_read, end);
1509 /* PR 17531: file: 0cc9cd00. */
1510 if (uvalue > (dwarf_vma) (end - data))
1511 uvalue = end - data;
1512 printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value"
1513 : "DW_OP_GNU_entry_value"));
1514 if (decode_location_expression (data, pointer_size, offset_size,
1515 dwarf_version, uvalue,
1516 cu_offset, section))
1517 need_frame_base = 1;
1523 case DW_OP_const_type:
1524 case DW_OP_GNU_const_type:
1525 uvalue = read_uleb128 (data, &bytes_read, end);
1527 printf ("%s: <0x%s> ",
1528 (op == DW_OP_const_type ? "DW_OP_const_type"
1529 : "DW_OP_GNU_const_type"),
1530 dwarf_vmatoa ("x", cu_offset + uvalue));
1531 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1532 data = display_block (data, uvalue, end, ' ');
1534 case DW_OP_regval_type:
1535 case DW_OP_GNU_regval_type:
1536 uvalue = read_uleb128 (data, &bytes_read, end);
1538 printf ("%s: %s (%s)",
1539 (op == DW_OP_regval_type ? "DW_OP_regval_type"
1540 : "DW_OP_GNU_regval_type"),
1541 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
1542 uvalue = read_uleb128 (data, &bytes_read, end);
1544 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1546 case DW_OP_deref_type:
1547 case DW_OP_GNU_deref_type:
1548 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1550 (op == DW_OP_deref_type ? "DW_OP_deref_type"
1551 : "DW_OP_GNU_deref_type"),
1553 uvalue = read_uleb128 (data, &bytes_read, end);
1555 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1558 case DW_OP_GNU_convert:
1559 uvalue = read_uleb128 (data, &bytes_read, end);
1561 printf ("%s <0x%s>",
1562 (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"),
1563 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
1565 case DW_OP_reinterpret:
1566 case DW_OP_GNU_reinterpret:
1567 uvalue = read_uleb128 (data, &bytes_read, end);
1569 printf ("%s <0x%s>",
1570 (op == DW_OP_reinterpret ? "DW_OP_reinterpret"
1571 : "DW_OP_GNU_reinterpret"),
1572 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
1574 case DW_OP_GNU_parameter_ref:
1575 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1576 printf ("DW_OP_GNU_parameter_ref: <0x%s>",
1577 dwarf_vmatoa ("x", cu_offset + uvalue));
1579 case DW_OP_GNU_addr_index:
1580 uvalue = read_uleb128 (data, &bytes_read, end);
1582 printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1584 case DW_OP_GNU_const_index:
1585 uvalue = read_uleb128 (data, &bytes_read, end);
1587 printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1589 case DW_OP_GNU_variable_value:
1590 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1591 this ought to be an 8-byte wide computation. */
1592 if (dwarf_version == -1)
1594 printf (_("(DW_OP_GNU_variable_value in frame info)"));
1595 /* No way to tell where the next op is, so just bail. */
1596 return need_frame_base;
1598 if (dwarf_version == 2)
1600 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1604 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1606 printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue));
1609 /* HP extensions. */
1610 case DW_OP_HP_is_value:
1611 printf ("DW_OP_HP_is_value");
1612 /* FIXME: Is there data associated with this OP ? */
1614 case DW_OP_HP_fltconst4:
1615 printf ("DW_OP_HP_fltconst4");
1616 /* FIXME: Is there data associated with this OP ? */
1618 case DW_OP_HP_fltconst8:
1619 printf ("DW_OP_HP_fltconst8");
1620 /* FIXME: Is there data associated with this OP ? */
1622 case DW_OP_HP_mod_range:
1623 printf ("DW_OP_HP_mod_range");
1624 /* FIXME: Is there data associated with this OP ? */
1626 case DW_OP_HP_unmod_range:
1627 printf ("DW_OP_HP_unmod_range");
1628 /* FIXME: Is there data associated with this OP ? */
1631 printf ("DW_OP_HP_tls");
1632 /* FIXME: Is there data associated with this OP ? */
1635 /* PGI (STMicroelectronics) extensions. */
1636 case DW_OP_PGI_omp_thread_num:
1637 /* Pushes the thread number for the current thread as it would be
1638 returned by the standard OpenMP library function:
1639 omp_get_thread_num(). The "current thread" is the thread for
1640 which the expression is being evaluated. */
1641 printf ("DW_OP_PGI_omp_thread_num");
1645 if (op >= DW_OP_lo_user
1646 && op <= DW_OP_hi_user)
1647 printf (_("(User defined location op 0x%x)"), op);
1649 printf (_("(Unknown location op 0x%x)"), op);
1650 /* No way to tell where the next op is, so just bail. */
1651 return need_frame_base;
1654 /* Separate the ops. */
1659 return need_frame_base;
1662 /* Find the CU or TU set corresponding to the given CU_OFFSET.
1663 This is used for DWARF package files. */
1665 static struct cu_tu_set *
1666 find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types)
1668 struct cu_tu_set *p;
1670 unsigned int dw_sect;
1676 dw_sect = DW_SECT_TYPES;
1682 dw_sect = DW_SECT_INFO;
1686 if (p->section_offsets [dw_sect] == cu_offset)
1694 /* Add INC to HIGH_BITS:LOW_BITS. */
1696 add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc)
1698 dwarf_vma tmp = * low_bits;
1702 /* FIXME: There is probably a better way of handling this:
1704 We need to cope with dwarf_vma being a 32-bit or 64-bit
1705 type. Plus regardless of its size LOW_BITS is meant to
1706 only hold 32-bits, so if there is overflow or wrap around
1707 we must propagate into HIGH_BITS. */
1708 if (tmp < * low_bits)
1712 else if (sizeof (tmp) > 8
1723 fetch_alt_indirect_string (dwarf_vma offset)
1727 if (! do_follow_links)
1730 if (first_separate_info == NULL)
1731 return _("<no links available>");
1733 for (i = first_separate_info; i != NULL; i = i->next)
1735 struct dwarf_section * section;
1738 if (! load_debug_section (separate_debug_str, i->handle))
1741 section = &debug_displays [separate_debug_str].section;
1743 if (section->start == NULL)
1746 if (offset >= section->size)
1749 ret = (const char *) (section->start + offset);
1750 /* Unfortunately we cannot rely upon the .debug_str section ending with a
1751 NUL byte. Since our caller is expecting to receive a well formed C
1752 string we test for the lack of a terminating byte here. */
1753 if (strnlen ((const char *) ret, section->size - offset)
1754 == section->size - offset)
1755 return _("<no NUL byte at end of alt .debug_str section>");
1760 warn (_("DW_FORM_GNU_strp_alt offset (%s) too big or no string sections available\n"),
1761 dwarf_vmatoa ("x", offset));
1762 return _("<offset is too big>");
1766 get_AT_name (unsigned long attribute)
1771 return "DW_AT value: 0";
1773 /* One value is shared by the MIPS and HP extensions: */
1774 if (attribute == DW_AT_MIPS_fde)
1775 return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
1777 name = get_DW_AT_name (attribute);
1781 static char buffer[100];
1783 snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
1792 add_dwo_info (const char * field, dwo_type type)
1794 dwo_info * dwinfo = xmalloc (sizeof * dwinfo);
1796 dwinfo->type = type;
1797 dwinfo->value = field;
1798 dwinfo->next = first_dwo_info;
1799 first_dwo_info = dwinfo;
1803 add_dwo_name (const char * name)
1805 add_dwo_info (name, DWO_NAME);
1809 add_dwo_dir (const char * dir)
1811 add_dwo_info (dir, DWO_DIR);
1815 add_dwo_id (const char * id)
1817 add_dwo_info (id, DWO_ID);
1821 free_dwo_info (void)
1826 for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = next)
1828 next = dwinfo->next;
1831 first_dwo_info = NULL;
1834 static unsigned char *
1835 read_and_display_attr_value (unsigned long attribute,
1837 dwarf_signed_vma implicit_const,
1838 unsigned char * data,
1839 unsigned char * end,
1840 dwarf_vma cu_offset,
1841 dwarf_vma pointer_size,
1842 dwarf_vma offset_size,
1844 debug_info * debug_info_p,
1846 struct dwarf_section * section,
1847 struct cu_tu_set * this_set,
1850 dwarf_vma uvalue = 0;
1851 unsigned char *block_start = NULL;
1852 unsigned char * orig_data = data;
1853 unsigned int bytes_read;
1855 if (data > end || (data == end && form != DW_FORM_flag_present))
1857 warn (_("Corrupt attribute\n"));
1866 case DW_FORM_ref_addr:
1867 if (dwarf_version == 2)
1868 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1869 else if (dwarf_version == 3 || dwarf_version == 4)
1870 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1872 error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
1877 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1881 case DW_FORM_line_strp:
1882 case DW_FORM_sec_offset:
1883 case DW_FORM_GNU_ref_alt:
1884 case DW_FORM_GNU_strp_alt:
1885 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1888 case DW_FORM_flag_present:
1895 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1900 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
1905 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1909 uvalue = read_sleb128 (data, & bytes_read, end);
1913 case DW_FORM_GNU_str_index:
1914 uvalue = read_uleb128 (data, & bytes_read, end);
1918 case DW_FORM_ref_udata:
1920 uvalue = read_uleb128 (data, & bytes_read, end);
1924 case DW_FORM_indirect:
1925 form = read_uleb128 (data, & bytes_read, end);
1928 printf ("%c%s", delimiter, get_FORM_name (form));
1929 if (form == DW_FORM_implicit_const)
1931 implicit_const = read_sleb128 (data, & bytes_read, end);
1934 return read_and_display_attr_value (attribute, form, implicit_const, data,
1935 end, cu_offset, pointer_size,
1936 offset_size, dwarf_version,
1937 debug_info_p, do_loc,
1938 section, this_set, delimiter);
1939 case DW_FORM_GNU_addr_index:
1940 uvalue = read_uleb128 (data, & bytes_read, end);
1947 case DW_FORM_ref_addr:
1949 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
1952 case DW_FORM_GNU_ref_alt:
1954 printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
1955 /* FIXME: Follow the reference... */
1961 case DW_FORM_ref_udata:
1963 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset));
1968 case DW_FORM_sec_offset:
1970 printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue));
1973 case DW_FORM_flag_present:
1980 printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue));
1983 case DW_FORM_implicit_const:
1985 printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const));
1992 dwarf_vma high_bits;
1996 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
1998 if (form == DW_FORM_ref8)
1999 add64 (& high_bits, & utmp, cu_offset);
2000 printf ("%c0x%s", delimiter,
2001 dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf)));
2004 if ((do_loc || do_debug_loc || do_debug_ranges)
2005 && num_debug_info_entries == 0)
2007 if (sizeof (uvalue) == 8)
2008 SAFE_BYTE_GET (uvalue, data, 8, end);
2010 error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n"));
2016 case DW_FORM_data16:
2019 dwarf_vma left_high_bits, left_low_bits;
2020 dwarf_vma right_high_bits, right_low_bits;
2022 SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end);
2023 SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end);
2024 if (byte_get == byte_get_little_endian)
2027 left_high_bits ^= right_high_bits;
2028 right_high_bits ^= left_high_bits;
2029 left_high_bits ^= right_high_bits;
2030 left_low_bits ^= right_low_bits;
2031 right_low_bits ^= left_low_bits;
2032 left_low_bits ^= right_low_bits;
2034 printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x"
2035 "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x",
2036 left_high_bits, left_low_bits, right_high_bits,
2042 case DW_FORM_string:
2044 printf ("%c%.*s", delimiter, (int) (end - data), data);
2045 data += strnlen ((char *) data, end - data) + 1;
2049 case DW_FORM_exprloc:
2050 uvalue = read_uleb128 (data, & bytes_read, end);
2051 block_start = data + bytes_read;
2052 if (block_start >= end)
2054 warn (_("Block ends prematurely\n"));
2058 /* FIXME: Testing "(block_start + uvalue) < block_start" miscompiles with
2059 gcc 4.8.3 running on an x86_64 host in 32-bit mode. So we pre-compute
2060 block_start + uvalue here. */
2061 data = block_start + uvalue;
2062 /* PR 17512: file: 008-103549-0.001:0.1. */
2063 if (block_start + uvalue > end || data < block_start)
2065 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2066 uvalue = end - block_start;
2069 data = block_start + uvalue;
2071 data = display_block (block_start, uvalue, end, delimiter);
2074 case DW_FORM_block1:
2075 SAFE_BYTE_GET (uvalue, data, 1, end);
2076 block_start = data + 1;
2077 if (block_start >= end)
2079 warn (_("Block ends prematurely\n"));
2083 data = block_start + uvalue;
2084 if (block_start + uvalue > end || data < block_start)
2086 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2087 uvalue = end - block_start;
2090 data = block_start + uvalue;
2092 data = display_block (block_start, uvalue, end, delimiter);
2095 case DW_FORM_block2:
2096 SAFE_BYTE_GET (uvalue, data, 2, end);
2097 block_start = data + 2;
2098 if (block_start >= end)
2100 warn (_("Block ends prematurely\n"));
2104 data = block_start + uvalue;
2105 if (block_start + uvalue > end || data < block_start)
2107 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2108 uvalue = end - block_start;
2111 data = block_start + uvalue;
2113 data = display_block (block_start, uvalue, end, delimiter);
2116 case DW_FORM_block4:
2117 SAFE_BYTE_GET (uvalue, data, 4, end);
2118 block_start = data + 4;
2119 /* PR 17512: file: 3371-3907-0.004. */
2120 if (block_start >= end)
2122 warn (_("Block ends prematurely\n"));
2126 data = block_start + uvalue;
2127 if (block_start + uvalue > end
2128 /* PR 17531: file: 5b5f0592. */
2129 || data < block_start)
2131 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2132 uvalue = end - block_start;
2135 data = block_start + uvalue;
2137 data = display_block (block_start, uvalue, end, delimiter);
2142 printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter,
2143 dwarf_vmatoa ("x", uvalue),
2144 fetch_indirect_string (uvalue));
2147 case DW_FORM_line_strp:
2149 printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter,
2150 dwarf_vmatoa ("x", uvalue),
2151 fetch_indirect_line_string (uvalue));
2154 case DW_FORM_GNU_str_index:
2157 const char * suffix = strrchr (section->name, '.');
2158 bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE;
2160 printf (_("%c(indexed string: 0x%s): %s"), delimiter,
2161 dwarf_vmatoa ("x", uvalue),
2162 fetch_indexed_string (uvalue, this_set, offset_size, dwo));
2166 case DW_FORM_GNU_strp_alt:
2169 printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter,
2170 dwarf_vmatoa ("x", uvalue),
2171 fetch_alt_indirect_string (uvalue));
2175 case DW_FORM_indirect:
2176 /* Handled above. */
2179 case DW_FORM_ref_sig8:
2182 dwarf_vma high_bits;
2185 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
2186 printf ("%csignature: 0x%s", delimiter,
2187 dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
2192 case DW_FORM_GNU_addr_index:
2194 printf (_("%c(addr_index: 0x%s): %s"), delimiter,
2195 dwarf_vmatoa ("x", uvalue),
2196 fetch_indexed_value (uvalue * pointer_size, pointer_size));
2200 warn (_("Unrecognized form: %lu\n"), form);
2204 if ((do_loc || do_debug_loc || do_debug_ranges)
2205 && num_debug_info_entries == 0
2206 && debug_info_p != NULL)
2210 case DW_AT_frame_base:
2211 have_frame_base = 1;
2213 case DW_AT_location:
2214 case DW_AT_GNU_locviews:
2215 case DW_AT_string_length:
2216 case DW_AT_return_addr:
2217 case DW_AT_data_member_location:
2218 case DW_AT_vtable_elem_location:
2220 case DW_AT_static_link:
2221 case DW_AT_use_location:
2222 case DW_AT_call_value:
2223 case DW_AT_GNU_call_site_value:
2224 case DW_AT_call_data_value:
2225 case DW_AT_GNU_call_site_data_value:
2226 case DW_AT_call_target:
2227 case DW_AT_GNU_call_site_target:
2228 case DW_AT_call_target_clobbered:
2229 case DW_AT_GNU_call_site_target_clobbered:
2230 if ((dwarf_version < 4
2231 && (form == DW_FORM_data4 || form == DW_FORM_data8))
2232 || form == DW_FORM_sec_offset)
2234 /* Process location list. */
2235 unsigned int lmax = debug_info_p->max_loc_offsets;
2236 unsigned int num = debug_info_p->num_loc_offsets;
2238 if (lmax == 0 || num >= lmax)
2241 debug_info_p->loc_offsets = (dwarf_vma *)
2242 xcrealloc (debug_info_p->loc_offsets,
2243 lmax, sizeof (*debug_info_p->loc_offsets));
2244 debug_info_p->loc_views = (dwarf_vma *)
2245 xcrealloc (debug_info_p->loc_views,
2246 lmax, sizeof (*debug_info_p->loc_views));
2247 debug_info_p->have_frame_base = (int *)
2248 xcrealloc (debug_info_p->have_frame_base,
2249 lmax, sizeof (*debug_info_p->have_frame_base));
2250 debug_info_p->max_loc_offsets = lmax;
2252 if (this_set != NULL)
2253 uvalue += this_set->section_offsets [DW_SECT_LOC];
2254 debug_info_p->have_frame_base [num] = have_frame_base;
2255 if (attribute != DW_AT_GNU_locviews)
2257 /* Corrupt DWARF info can produce more offsets than views.
2258 See PR 23062 for an example. */
2259 if (debug_info_p->num_loc_offsets
2260 > debug_info_p->num_loc_views)
2261 warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n"));
2264 debug_info_p->loc_offsets [num] = uvalue;
2265 debug_info_p->num_loc_offsets++;
2270 assert (debug_info_p->num_loc_views <= num);
2271 num = debug_info_p->num_loc_views;
2272 if (num > debug_info_p->num_loc_offsets)
2273 warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n"));
2276 debug_info_p->loc_views [num] = uvalue;
2277 debug_info_p->num_loc_views++;
2284 if (need_base_address)
2285 debug_info_p->base_address = uvalue;
2288 case DW_AT_GNU_addr_base:
2289 debug_info_p->addr_base = uvalue;
2292 case DW_AT_GNU_ranges_base:
2293 debug_info_p->ranges_base = uvalue;
2297 if ((dwarf_version < 4
2298 && (form == DW_FORM_data4 || form == DW_FORM_data8))
2299 || form == DW_FORM_sec_offset)
2301 /* Process range list. */
2302 unsigned int lmax = debug_info_p->max_range_lists;
2303 unsigned int num = debug_info_p->num_range_lists;
2305 if (lmax == 0 || num >= lmax)
2308 debug_info_p->range_lists = (dwarf_vma *)
2309 xcrealloc (debug_info_p->range_lists,
2310 lmax, sizeof (*debug_info_p->range_lists));
2311 debug_info_p->max_range_lists = lmax;
2313 debug_info_p->range_lists [num] = uvalue;
2314 debug_info_p->num_range_lists++;
2318 case DW_AT_GNU_dwo_name:
2319 case DW_AT_dwo_name:
2324 add_dwo_name ((const char *) fetch_indirect_string (uvalue));
2326 case DW_FORM_GNU_str_index:
2327 add_dwo_name (fetch_indexed_string (uvalue, this_set, offset_size, FALSE));
2329 case DW_FORM_string:
2330 add_dwo_name ((const char *) orig_data);
2333 warn (_("Unsupported form (%s) for attribute %s\n"),
2334 get_FORM_name (form), get_AT_name (attribute));
2339 case DW_AT_comp_dir:
2340 /* FIXME: Also extract a build-id in a CU/TU. */
2345 add_dwo_dir ((const char *) fetch_indirect_string (uvalue));
2347 case DW_FORM_line_strp:
2348 add_dwo_dir ((const char *) fetch_indirect_line_string (uvalue));
2350 case DW_FORM_GNU_str_index:
2351 add_dwo_dir (fetch_indexed_string (uvalue, this_set, offset_size, FALSE));
2353 case DW_FORM_string:
2354 add_dwo_dir ((const char *) orig_data);
2357 warn (_("Unsupported form (%s) for attribute %s\n"),
2358 get_FORM_name (form), get_AT_name (attribute));
2363 case DW_AT_GNU_dwo_id:
2368 /* FIXME: Record the length of the ID as well ? */
2369 add_dwo_id ((const char *) (data - 8));
2372 warn (_("Unsupported form (%s) for attribute %s\n"),
2373 get_FORM_name (form), get_AT_name (attribute));
2383 if (do_loc || attribute == 0)
2386 /* For some attributes we can display further information. */
2393 case DW_INL_not_inlined:
2394 printf (_("(not inlined)"));
2396 case DW_INL_inlined:
2397 printf (_("(inlined)"));
2399 case DW_INL_declared_not_inlined:
2400 printf (_("(declared as inline but ignored)"));
2402 case DW_INL_declared_inlined:
2403 printf (_("(declared as inline and inlined)"));
2406 printf (_(" (Unknown inline attribute value: %s)"),
2407 dwarf_vmatoa ("x", uvalue));
2412 case DW_AT_language:
2416 /* Ordered by the numeric value of these constants. */
2417 case DW_LANG_C89: printf ("(ANSI C)"); break;
2418 case DW_LANG_C: printf ("(non-ANSI C)"); break;
2419 case DW_LANG_Ada83: printf ("(Ada)"); break;
2420 case DW_LANG_C_plus_plus: printf ("(C++)"); break;
2421 case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
2422 case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
2423 case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
2424 case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
2425 case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
2426 case DW_LANG_Modula2: printf ("(Modula 2)"); break;
2427 /* DWARF 2.1 values. */
2428 case DW_LANG_Java: printf ("(Java)"); break;
2429 case DW_LANG_C99: printf ("(ANSI C99)"); break;
2430 case DW_LANG_Ada95: printf ("(ADA 95)"); break;
2431 case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
2432 /* DWARF 3 values. */
2433 case DW_LANG_PLI: printf ("(PLI)"); break;
2434 case DW_LANG_ObjC: printf ("(Objective C)"); break;
2435 case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break;
2436 case DW_LANG_UPC: printf ("(Unified Parallel C)"); break;
2437 case DW_LANG_D: printf ("(D)"); break;
2438 /* DWARF 4 values. */
2439 case DW_LANG_Python: printf ("(Python)"); break;
2440 /* DWARF 5 values. */
2441 case DW_LANG_OpenCL: printf ("(OpenCL)"); break;
2442 case DW_LANG_Go: printf ("(Go)"); break;
2443 case DW_LANG_Modula3: printf ("(Modula 3)"); break;
2444 case DW_LANG_Haskell: printf ("(Haskell)"); break;
2445 case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break;
2446 case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break;
2447 case DW_LANG_OCaml: printf ("(OCaml)"); break;
2448 case DW_LANG_Rust: printf ("(Rust)"); break;
2449 case DW_LANG_C11: printf ("(C11)"); break;
2450 case DW_LANG_Swift: printf ("(Swift)"); break;
2451 case DW_LANG_Julia: printf ("(Julia)"); break;
2452 case DW_LANG_Dylan: printf ("(Dylan)"); break;
2453 case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break;
2454 case DW_LANG_Fortran03: printf ("(Fortran 03)"); break;
2455 case DW_LANG_Fortran08: printf ("(Fortran 08)"); break;
2456 case DW_LANG_RenderScript: printf ("(RenderScript)"); break;
2457 /* MIPS extension. */
2458 case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
2459 /* UPC extension. */
2460 case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
2462 if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
2463 printf (_("(implementation defined: %s)"),
2464 dwarf_vmatoa ("x", uvalue));
2466 printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue));
2471 case DW_AT_encoding:
2475 case DW_ATE_void: printf ("(void)"); break;
2476 case DW_ATE_address: printf ("(machine address)"); break;
2477 case DW_ATE_boolean: printf ("(boolean)"); break;
2478 case DW_ATE_complex_float: printf ("(complex float)"); break;
2479 case DW_ATE_float: printf ("(float)"); break;
2480 case DW_ATE_signed: printf ("(signed)"); break;
2481 case DW_ATE_signed_char: printf ("(signed char)"); break;
2482 case DW_ATE_unsigned: printf ("(unsigned)"); break;
2483 case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
2484 /* DWARF 2.1 values: */
2485 case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
2486 case DW_ATE_decimal_float: printf ("(decimal float)"); break;
2487 /* DWARF 3 values: */
2488 case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break;
2489 case DW_ATE_numeric_string: printf ("(numeric_string)"); break;
2490 case DW_ATE_edited: printf ("(edited)"); break;
2491 case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break;
2492 case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break;
2493 /* DWARF 4 values: */
2494 case DW_ATE_UTF: printf ("(unicode string)"); break;
2495 /* DWARF 5 values: */
2496 case DW_ATE_UCS: printf ("(UCS)"); break;
2497 case DW_ATE_ASCII: printf ("(ASCII)"); break;
2499 /* HP extensions: */
2500 case DW_ATE_HP_float80: printf ("(HP_float80)"); break;
2501 case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break;
2502 case DW_ATE_HP_float128: printf ("(HP_float128)"); break;
2503 case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break;
2504 case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break;
2505 case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break;
2506 case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break;
2509 if (uvalue >= DW_ATE_lo_user
2510 && uvalue <= DW_ATE_hi_user)
2511 printf (_("(user defined type)"));
2513 printf (_("(unknown type)"));
2518 case DW_AT_accessibility:
2522 case DW_ACCESS_public: printf ("(public)"); break;
2523 case DW_ACCESS_protected: printf ("(protected)"); break;
2524 case DW_ACCESS_private: printf ("(private)"); break;
2526 printf (_("(unknown accessibility)"));
2531 case DW_AT_visibility:
2535 case DW_VIS_local: printf ("(local)"); break;
2536 case DW_VIS_exported: printf ("(exported)"); break;
2537 case DW_VIS_qualified: printf ("(qualified)"); break;
2538 default: printf (_("(unknown visibility)")); break;
2542 case DW_AT_endianity:
2546 case DW_END_default: printf ("(default)"); break;
2547 case DW_END_big: printf ("(big)"); break;
2548 case DW_END_little: printf ("(little)"); break;
2550 if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user)
2551 printf (_("(user specified)"));
2553 printf (_("(unknown endianity)"));
2558 case DW_AT_virtuality:
2562 case DW_VIRTUALITY_none: printf ("(none)"); break;
2563 case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
2564 case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
2565 default: printf (_("(unknown virtuality)")); break;
2569 case DW_AT_identifier_case:
2573 case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
2574 case DW_ID_up_case: printf ("(up_case)"); break;
2575 case DW_ID_down_case: printf ("(down_case)"); break;
2576 case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
2577 default: printf (_("(unknown case)")); break;
2581 case DW_AT_calling_convention:
2585 case DW_CC_normal: printf ("(normal)"); break;
2586 case DW_CC_program: printf ("(program)"); break;
2587 case DW_CC_nocall: printf ("(nocall)"); break;
2588 case DW_CC_pass_by_reference: printf ("(pass by ref)"); break;
2589 case DW_CC_pass_by_value: printf ("(pass by value)"); break;
2590 case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break;
2591 case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break;
2593 if (uvalue >= DW_CC_lo_user
2594 && uvalue <= DW_CC_hi_user)
2595 printf (_("(user defined)"));
2597 printf (_("(unknown convention)"));
2601 case DW_AT_ordering:
2606 case -1: printf (_("(undefined)")); break;
2607 case 0: printf ("(row major)"); break;
2608 case 1: printf ("(column major)"); break;
2612 case DW_AT_decimal_sign:
2616 case DW_DS_unsigned: printf (_("(unsigned)")); break;
2617 case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break;
2618 case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break;
2619 case DW_DS_leading_separate: printf (_("(leading separate)")); break;
2620 case DW_DS_trailing_separate: printf (_("(trailing separate)")); break;
2621 default: printf (_("(unrecognised)")); break;
2625 case DW_AT_defaulted:
2629 case DW_DEFAULTED_no: printf (_("(no)")); break;
2630 case DW_DEFAULTED_in_class: printf (_("(in class)")); break;
2631 case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break;
2632 default: printf (_("(unrecognised)")); break;
2636 case DW_AT_discr_list:
2640 case DW_DSC_label: printf (_("(label)")); break;
2641 case DW_DSC_range: printf (_("(range)")); break;
2642 default: printf (_("(unrecognised)")); break;
2646 case DW_AT_frame_base:
2647 have_frame_base = 1;
2649 case DW_AT_location:
2650 case DW_AT_string_length:
2651 case DW_AT_return_addr:
2652 case DW_AT_data_member_location:
2653 case DW_AT_vtable_elem_location:
2655 case DW_AT_static_link:
2656 case DW_AT_use_location:
2657 case DW_AT_call_value:
2658 case DW_AT_GNU_call_site_value:
2659 case DW_AT_call_data_value:
2660 case DW_AT_GNU_call_site_data_value:
2661 case DW_AT_call_target:
2662 case DW_AT_GNU_call_site_target:
2663 case DW_AT_call_target_clobbered:
2664 case DW_AT_GNU_call_site_target_clobbered:
2665 if ((dwarf_version < 4
2666 && (form == DW_FORM_data4 || form == DW_FORM_data8))
2667 || form == DW_FORM_sec_offset)
2668 printf (_(" (location list)"));
2670 case DW_AT_allocated:
2671 case DW_AT_associated:
2672 case DW_AT_data_location:
2674 case DW_AT_upper_bound:
2675 case DW_AT_lower_bound:
2678 int need_frame_base;
2681 need_frame_base = decode_location_expression (block_start,
2686 cu_offset, section);
2688 if (need_frame_base && !have_frame_base)
2689 printf (_(" [without DW_AT_frame_base]"));
2693 case DW_AT_data_bit_offset:
2694 case DW_AT_byte_size:
2695 case DW_AT_bit_size:
2696 case DW_AT_string_length_byte_size:
2697 case DW_AT_string_length_bit_size:
2698 case DW_AT_bit_stride:
2699 if (form == DW_FORM_exprloc)
2702 (void) decode_location_expression (block_start, pointer_size,
2703 offset_size, dwarf_version,
2704 uvalue, cu_offset, section);
2711 if (form == DW_FORM_ref_sig8
2712 || form == DW_FORM_GNU_ref_alt)
2715 if (form == DW_FORM_ref1
2716 || form == DW_FORM_ref2
2717 || form == DW_FORM_ref4
2718 || form == DW_FORM_ref_udata)
2719 uvalue += cu_offset;
2721 if (uvalue >= section->size)
2722 warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"),
2723 dwarf_vmatoa ("x", uvalue),
2724 (unsigned long) (orig_data - section->start));
2727 unsigned long abbrev_number;
2728 abbrev_entry * entry;
2730 abbrev_number = read_uleb128 (section->start + uvalue, NULL, end);
2732 printf (_("\t[Abbrev Number: %ld"), abbrev_number);
2733 /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will
2734 use different abbrev table, and we don't track .debug_info chunks
2736 if (form != DW_FORM_ref_addr)
2738 for (entry = first_abbrev; entry != NULL; entry = entry->next)
2739 if (entry->entry == abbrev_number)
2742 printf (" (%s)", get_TAG_name (entry->tag));
2756 static unsigned char *
2757 read_and_display_attr (unsigned long attribute,
2759 dwarf_signed_vma implicit_const,
2760 unsigned char * data,
2761 unsigned char * end,
2762 dwarf_vma cu_offset,
2763 dwarf_vma pointer_size,
2764 dwarf_vma offset_size,
2766 debug_info * debug_info_p,
2768 struct dwarf_section * section,
2769 struct cu_tu_set * this_set)
2772 printf (" %-18s:", get_AT_name (attribute));
2773 data = read_and_display_attr_value (attribute, form, implicit_const, data, end,
2774 cu_offset, pointer_size, offset_size,
2775 dwarf_version, debug_info_p,
2776 do_loc, section, this_set, ' ');
2782 /* Like load_debug_section, but if the ordinary call fails, and we are
2783 following debug links, then attempt to load the requested section
2784 from one of the separate debug info files. */
2787 load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum,
2790 if (load_debug_section (sec_enum, handle))
2792 if (debug_displays[sec_enum].section.filename == NULL)
2794 /* See if we can associate a filename with this section. */
2797 for (i = first_separate_info; i != NULL; i = i->next)
2798 if (i->handle == handle)
2800 debug_displays[sec_enum].section.filename = i->filename;
2808 if (do_follow_links)
2812 for (i = first_separate_info; i != NULL; i = i->next)
2814 if (load_debug_section (sec_enum, i->handle))
2816 debug_displays[sec_enum].section.filename = i->filename;
2818 /* FIXME: We should check to see if any of the remaining debug info
2819 files also contain this section, and, umm, do something about it. */
2829 introduce (struct dwarf_section * section, bfd_boolean raw)
2833 if (do_follow_links && section->filename)
2834 printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"),
2835 section->name, section->filename);
2837 printf (_("Raw dump of debug contents of section %s:\n\n"), section->name);
2841 if (do_follow_links && section->filename)
2842 printf (_("Contents of the %s section (loaded from %s):\n\n"),
2843 section->name, section->filename);
2845 printf (_("Contents of the %s section:\n\n"), section->name);
2849 /* Process the contents of a .debug_info section.
2850 If do_loc is TRUE then we are scanning for location lists and dwo tags
2851 and we do not want to display anything to the user.
2852 If do_types is TRUE, we are processing a .debug_types section instead of
2853 a .debug_info section.
2854 The information displayed is restricted by the values in DWARF_START_DIE
2855 and DWARF_CUTOFF_LEVEL.
2856 Returns TRUE upon success. Otherwise an error or warning message is
2857 printed and FALSE is returned. */
2860 process_debug_info (struct dwarf_section * section,
2862 enum dwarf_section_display_enum abbrev_sec,
2864 bfd_boolean do_types)
2866 unsigned char *start = section->start;
2867 unsigned char *end = start + section->size;
2868 unsigned char *section_begin;
2870 unsigned int num_units = 0;
2872 if ((do_loc || do_debug_loc || do_debug_ranges)
2873 && num_debug_info_entries == 0
2878 /* First scan the section to get the number of comp units. */
2879 for (section_begin = start, num_units = 0; section_begin < end;
2882 /* Read the first 4 bytes. For a 32-bit DWARF section, this
2883 will be the length. For a 64-bit DWARF section, it'll be
2884 the escape code 0xffffffff followed by an 8 byte length. */
2885 SAFE_BYTE_GET (length, section_begin, 4, end);
2887 if (length == 0xffffffff)
2889 SAFE_BYTE_GET (length, section_begin + 4, 8, end);
2890 section_begin += length + 12;
2892 else if (length >= 0xfffffff0 && length < 0xffffffff)
2894 warn (_("Reserved length value (0x%s) found in section %s\n"),
2895 dwarf_vmatoa ("x", length), section->name);
2899 section_begin += length + 4;
2901 /* Negative values are illegal, they may even cause infinite
2902 looping. This can happen if we can't accurately apply
2903 relocations to an object file, or if the file is corrupt. */
2904 if ((signed long) length <= 0 || section_begin < start)
2906 warn (_("Corrupt unit length (0x%s) found in section %s\n"),
2907 dwarf_vmatoa ("x", length), section->name);
2914 error (_("No comp units in %s section ?\n"), section->name);
2918 /* Then allocate an array to hold the information. */
2919 debug_information = (debug_info *) cmalloc (num_units,
2920 sizeof (* debug_information));
2921 if (debug_information == NULL)
2923 error (_("Not enough memory for a debug info array of %u entries\n"),
2925 alloc_num_debug_info_entries = num_debug_info_entries = 0;
2929 /* PR 17531: file: 92ca3797.
2930 We cannot rely upon the debug_information array being initialised
2931 before it is used. A corrupt file could easily contain references
2932 to a unit for which information has not been made available. So
2933 we ensure that the array is zeroed here. */
2934 memset (debug_information, 0, num_units * sizeof (*debug_information));
2936 alloc_num_debug_info_entries = num_units;
2941 load_debug_section_with_follow (str, file);
2942 load_debug_section_with_follow (line_str, file);
2943 load_debug_section_with_follow (str_dwo, file);
2944 load_debug_section_with_follow (str_index, file);
2945 load_debug_section_with_follow (str_index_dwo, file);
2946 load_debug_section_with_follow (debug_addr, file);
2949 load_debug_section_with_follow (abbrev_sec, file);
2950 if (debug_displays [abbrev_sec].section.start == NULL)
2952 warn (_("Unable to locate %s section!\n"),
2953 debug_displays [abbrev_sec].section.uncompressed_name);
2957 if (!do_loc && dwarf_start_die == 0)
2958 introduce (section, FALSE);
2960 for (section_begin = start, unit = 0; start < end; unit++)
2962 DWARF2_Internal_CompUnit compunit;
2963 unsigned char *hdrptr;
2964 unsigned char *tags;
2965 int level, last_level, saved_level;
2966 dwarf_vma cu_offset;
2967 unsigned long sec_off;
2968 unsigned int offset_size;
2969 unsigned int initial_length_size;
2970 dwarf_vma signature_high = 0;
2971 dwarf_vma signature_low = 0;
2972 dwarf_vma type_offset = 0;
2973 struct cu_tu_set *this_set;
2974 dwarf_vma abbrev_base;
2979 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end);
2981 if (compunit.cu_length == 0xffffffff)
2983 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end);
2985 initial_length_size = 12;
2990 initial_length_size = 4;
2993 SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end);
2995 cu_offset = start - section_begin;
2997 this_set = find_cu_tu_set_v2 (cu_offset, do_types);
2999 if (compunit.cu_version < 5)
3001 compunit.cu_unit_type = DW_UT_compile;
3002 /* Initialize it due to a false compiler warning. */
3003 compunit.cu_pointer_size = -1;
3007 SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end);
3008 do_types = (compunit.cu_unit_type == DW_UT_type);
3010 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
3013 SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end);
3015 if (this_set == NULL)
3018 abbrev_size = debug_displays [abbrev_sec].section.size;
3022 abbrev_base = this_set->section_offsets [DW_SECT_ABBREV];
3023 abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
3026 if (compunit.cu_version < 5)
3027 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
3029 /* PR 17512: file: 001-108546-0.001:0.1. */
3030 if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8)
3032 warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"),
3033 compunit.cu_pointer_size, offset_size);
3034 compunit.cu_pointer_size = offset_size;
3039 SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end);
3041 SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end);
3044 if (dwarf_start_die > (cu_offset + compunit.cu_length
3045 + initial_length_size))
3047 start = section_begin + cu_offset + compunit.cu_length
3048 + initial_length_size;
3052 if ((do_loc || do_debug_loc || do_debug_ranges)
3053 && num_debug_info_entries == 0
3056 debug_information [unit].cu_offset = cu_offset;
3057 debug_information [unit].pointer_size
3058 = compunit.cu_pointer_size;
3059 debug_information [unit].offset_size = offset_size;
3060 debug_information [unit].dwarf_version = compunit.cu_version;
3061 debug_information [unit].base_address = 0;
3062 debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE;
3063 debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE;
3064 debug_information [unit].loc_offsets = NULL;
3065 debug_information [unit].have_frame_base = NULL;
3066 debug_information [unit].max_loc_offsets = 0;
3067 debug_information [unit].num_loc_offsets = 0;
3068 debug_information [unit].range_lists = NULL;
3069 debug_information [unit].max_range_lists= 0;
3070 debug_information [unit].num_range_lists = 0;
3073 if (!do_loc && dwarf_start_die == 0)
3075 printf (_(" Compilation Unit @ offset 0x%s:\n"),
3076 dwarf_vmatoa ("x", cu_offset));
3077 printf (_(" Length: 0x%s (%s)\n"),
3078 dwarf_vmatoa ("x", compunit.cu_length),
3079 offset_size == 8 ? "64-bit" : "32-bit");
3080 printf (_(" Version: %d\n"), compunit.cu_version);
3081 printf (_(" Abbrev Offset: 0x%s\n"),
3082 dwarf_vmatoa ("x", compunit.cu_abbrev_offset));
3083 printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
3088 printf (_(" Signature: 0x%s\n"),
3089 dwarf_vmatoa64 (signature_high, signature_low,
3090 buf, sizeof (buf)));
3091 printf (_(" Type Offset: 0x%s\n"),
3092 dwarf_vmatoa ("x", type_offset));
3094 if (this_set != NULL)
3096 dwarf_vma *offsets = this_set->section_offsets;
3097 size_t *sizes = this_set->section_sizes;
3099 printf (_(" Section contributions:\n"));
3100 printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"),
3101 dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]),
3102 dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV]));
3103 printf (_(" .debug_line.dwo: 0x%s 0x%s\n"),
3104 dwarf_vmatoa ("x", offsets [DW_SECT_LINE]),
3105 dwarf_vmatoa ("x", sizes [DW_SECT_LINE]));
3106 printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"),
3107 dwarf_vmatoa ("x", offsets [DW_SECT_LOC]),
3108 dwarf_vmatoa ("x", sizes [DW_SECT_LOC]));
3109 printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"),
3110 dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]),
3111 dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS]));
3115 sec_off = cu_offset + initial_length_size;
3116 if (sec_off + compunit.cu_length < sec_off
3117 || sec_off + compunit.cu_length > section->size)
3119 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
3121 (unsigned long) cu_offset,
3122 dwarf_vmatoa ("x", compunit.cu_length));
3128 start += compunit.cu_length + initial_length_size;
3130 if (compunit.cu_version < 2 || compunit.cu_version > 5)
3132 warn (_("CU at offset %s contains corrupt or "
3133 "unsupported version number: %d.\n"),
3134 dwarf_vmatoa ("x", cu_offset), compunit.cu_version);
3138 if (compunit.cu_unit_type != DW_UT_compile
3139 && compunit.cu_unit_type != DW_UT_type)
3141 warn (_("CU at offset %s contains corrupt or "
3142 "unsupported unit type: %d.\n"),
3143 dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type);
3149 /* Process the abbrevs used by this compilation unit. */
3150 if (compunit.cu_abbrev_offset >= abbrev_size)
3151 warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"),
3152 (unsigned long) compunit.cu_abbrev_offset,
3153 (unsigned long) abbrev_size);
3154 /* PR 17531: file:4bcd9ce9. */
3155 else if ((abbrev_base + abbrev_size)
3156 > debug_displays [abbrev_sec].section.size)
3157 warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"),
3158 (unsigned long) abbrev_base + abbrev_size,
3159 (unsigned long) debug_displays [abbrev_sec].section.size);
3161 process_abbrev_section
3162 (((unsigned char *) debug_displays [abbrev_sec].section.start
3163 + abbrev_base + compunit.cu_abbrev_offset),
3164 ((unsigned char *) debug_displays [abbrev_sec].section.start
3165 + abbrev_base + abbrev_size));
3170 while (tags < start)
3172 unsigned int bytes_read;
3173 unsigned long abbrev_number;
3174 unsigned long die_offset;
3175 abbrev_entry *entry;
3177 int do_printing = 1;
3179 die_offset = tags - section_begin;
3181 abbrev_number = read_uleb128 (tags, & bytes_read, start);
3184 /* A null DIE marks the end of a list of siblings or it may also be
3185 a section padding. */
3186 if (abbrev_number == 0)
3188 /* Check if it can be a section padding for the last CU. */
3189 if (level == 0 && start == end)
3193 for (chk = tags; chk < start; chk++)
3200 if (!do_loc && die_offset >= dwarf_start_die
3201 && (dwarf_cutoff_level == -1
3202 || level < dwarf_cutoff_level))
3203 printf (_(" <%d><%lx>: Abbrev Number: 0\n"),
3209 static unsigned num_bogus_warns = 0;
3211 if (num_bogus_warns < 3)
3213 warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"),
3214 die_offset, section->name);
3216 if (num_bogus_warns == 3)
3217 warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
3220 if (dwarf_start_die != 0 && level < saved_level)
3227 if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
3231 if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
3232 saved_level = level;
3233 do_printing = (dwarf_cutoff_level == -1
3234 || level < dwarf_cutoff_level);
3236 printf (_(" <%d><%lx>: Abbrev Number: %lu"),
3237 level, die_offset, abbrev_number);
3238 else if (dwarf_cutoff_level == -1
3239 || last_level < dwarf_cutoff_level)
3240 printf (_(" <%d><%lx>: ...\n"), level, die_offset);
3245 /* Scan through the abbreviation list until we reach the
3247 for (entry = first_abbrev;
3248 entry && entry->entry != abbrev_number;
3249 entry = entry->next)
3254 if (!do_loc && do_printing)
3259 warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"),
3260 die_offset, abbrev_number);
3264 if (!do_loc && do_printing)
3265 printf (" (%s)\n", get_TAG_name (entry->tag));
3270 need_base_address = 0;
3272 case DW_TAG_compile_unit:
3273 need_base_address = 1;
3274 need_dwo_info = do_loc;
3276 case DW_TAG_entry_point:
3277 case DW_TAG_subprogram:
3278 need_base_address = 0;
3279 /* Assuming that there is no DW_AT_frame_base. */
3280 have_frame_base = 0;
3284 debug_info *debug_info_p =
3285 (debug_information && unit < alloc_num_debug_info_entries)
3286 ? debug_information + unit : NULL;
3288 assert (!debug_info_p
3289 || (debug_info_p->num_loc_offsets
3290 == debug_info_p->num_loc_views));
3292 for (attr = entry->first_attr;
3293 attr && attr->attribute;
3296 if (! do_loc && do_printing)
3297 /* Show the offset from where the tag was extracted. */
3298 printf (" <%lx>", (unsigned long)(tags - section_begin));
3300 tags = read_and_display_attr (attr->attribute,
3302 attr->implicit_const,
3306 compunit.cu_pointer_size,
3308 compunit.cu_version,
3310 do_loc || ! do_printing,
3315 /* If a locview attribute appears before a location one,
3316 make sure we don't associate it with an earlier
3319 switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views)
3322 debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1;
3323 debug_info_p->num_loc_views++;
3324 assert (debug_info_p->num_loc_views
3325 == debug_info_p->num_loc_offsets);
3332 warn(_("DIE has locviews without loclist\n"));
3333 debug_info_p->num_loc_views--;
3340 if (entry->children)
3345 /* Set num_debug_info_entries here so that it can be used to check if
3346 we need to process .debug_loc and .debug_ranges sections. */
3347 if ((do_loc || do_debug_loc || do_debug_ranges)
3348 && num_debug_info_entries == 0
3351 if (num_units > alloc_num_debug_info_entries)
3352 num_debug_info_entries = alloc_num_debug_info_entries;
3354 num_debug_info_entries = num_units;
3363 /* Locate and scan the .debug_info section in the file and record the pointer
3364 sizes and offsets for the compilation units in it. Usually an executable
3365 will have just one pointer size, but this is not guaranteed, and so we try
3366 not to make any assumptions. Returns zero upon failure, or the number of
3367 compilation units upon success. */
3370 load_debug_info (void * file)
3372 /* If we have already tried and failed to load the .debug_info
3373 section then do not bother to repeat the task. */
3374 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
3377 /* If we already have the information there is nothing else to do. */
3378 if (num_debug_info_entries > 0)
3379 return num_debug_info_entries;
3381 /* If this is a DWARF package file, load the CU and TU indexes. */
3382 (void) load_cu_tu_indexes (file);
3384 if (load_debug_section_with_follow (info, file)
3385 && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE))
3386 return num_debug_info_entries;
3388 if (load_debug_section_with_follow (info_dwo, file)
3389 && process_debug_info (&debug_displays [info_dwo].section, file,
3390 abbrev_dwo, TRUE, FALSE))
3391 return num_debug_info_entries;
3393 num_debug_info_entries = DEBUG_INFO_UNAVAILABLE;
3397 /* Read a DWARF .debug_line section header starting at DATA.
3398 Upon success returns an updated DATA pointer and the LINFO
3399 structure and the END_OF_SEQUENCE pointer will be filled in.
3400 Otherwise returns NULL. */
3402 static unsigned char *
3403 read_debug_line_header (struct dwarf_section * section,
3404 unsigned char * data,
3405 unsigned char * end,
3406 DWARF2_Internal_LineInfo * linfo,
3407 unsigned char ** end_of_sequence)
3409 unsigned char *hdrptr;
3410 unsigned int initial_length_size;
3411 unsigned char address_size, segment_selector_size;
3413 /* Extract information from the Line Number Program Header.
3414 (section 6.2.4 in the Dwarf3 doc). */
3417 /* Get and check the length of the block. */
3418 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end);
3420 if (linfo->li_length == 0xffffffff)
3422 /* This section is 64-bit DWARF 3. */
3423 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
3424 linfo->li_offset_size = 8;
3425 initial_length_size = 12;
3429 linfo->li_offset_size = 4;
3430 initial_length_size = 4;
3433 if (linfo->li_length + initial_length_size > section->size)
3435 /* If the length field has a relocation against it, then we should
3436 not complain if it is inaccurate (and probably negative). This
3437 happens in object files when the .debug_line section is actually
3438 comprised of several different .debug_line.* sections, (some of
3439 which may be removed by linker garbage collection), and a relocation
3440 is used to compute the correct length once that is done. */
3441 if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size))
3443 linfo->li_length = (end - data) - initial_length_size;
3447 warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"),
3448 (long) linfo->li_length);
3453 /* Get and check the version number. */
3454 SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end);
3456 if (linfo->li_version != 2
3457 && linfo->li_version != 3
3458 && linfo->li_version != 4
3459 && linfo->li_version != 5)
3461 warn (_("Only DWARF version 2, 3, 4 and 5 line info "
3462 "is currently supported.\n"));
3466 if (linfo->li_version >= 5)
3468 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
3470 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
3471 if (segment_selector_size != 0)
3473 warn (_("The %s section contains "
3474 "unsupported segment selector size: %d.\n"),
3475 section->name, segment_selector_size);
3480 SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr,
3481 linfo->li_offset_size, end);
3482 SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
3484 if (linfo->li_version >= 4)
3486 SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end);
3488 if (linfo->li_max_ops_per_insn == 0)
3490 warn (_("Invalid maximum operations per insn.\n"));
3495 linfo->li_max_ops_per_insn = 1;
3497 SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end);
3498 SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end);
3499 SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end);
3500 SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end);
3502 * end_of_sequence = data + linfo->li_length + initial_length_size;
3503 /* PR 17512: file:002-117414-0.004. */
3504 if (* end_of_sequence > end)
3506 warn (_("Line length %s extends beyond end of section\n"),
3507 dwarf_vmatoa ("u", linfo->li_length));
3508 * end_of_sequence = end;
3515 static unsigned char *
3516 display_formatted_table (unsigned char * data,
3517 unsigned char * start,
3518 unsigned char * end,
3519 const DWARF2_Internal_LineInfo * linfo,
3520 struct dwarf_section * section,
3523 unsigned char *format_start, format_count, *format, formati;
3524 dwarf_vma data_count, datai;
3525 unsigned int bytes_read, namepass, last_entry = 0;
3527 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
3528 format_start = data;
3529 for (formati = 0; formati < format_count; formati++)
3531 read_uleb128 (data, & bytes_read, end);
3533 read_uleb128 (data, & bytes_read, end);
3538 warn (_("Corrupt directory format table entry\n"));
3540 warn (_("Corrupt file name format table entry\n"));
3545 data_count = read_uleb128 (data, & bytes_read, end);
3550 warn (_("Corrupt directory list\n"));
3552 warn (_("Corrupt file name list\n"));
3556 if (data_count == 0)
3559 printf (_("\n The Directory Table is empty.\n"));
3561 printf (_("\n The File Name Table is empty.\n"));
3566 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3567 (long) (data - start));
3569 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3570 (long) (data - start));
3572 printf (_(" Entry"));
3573 /* Delay displaying name as the last entry for better screen layout. */
3574 for (namepass = 0; namepass < 2; namepass++)
3576 format = format_start;
3577 for (formati = 0; formati < format_count; formati++)
3579 dwarf_vma content_type;
3581 content_type = read_uleb128 (format, & bytes_read, end);
3582 format += bytes_read;
3583 if ((content_type == DW_LNCT_path) == (namepass == 1))
3584 switch (content_type)
3587 printf (_("\tName"));
3589 case DW_LNCT_directory_index:
3590 printf (_("\tDir"));
3592 case DW_LNCT_timestamp:
3593 printf (_("\tTime"));
3596 printf (_("\tSize"));
3599 printf (_("\tMD5"));
3602 printf (_("\t(Unknown format content type %s)"),
3603 dwarf_vmatoa ("u", content_type));
3605 read_uleb128 (format, & bytes_read, end);
3606 format += bytes_read;
3611 for (datai = 0; datai < data_count; datai++)
3613 unsigned char *datapass = data;
3615 printf (" %d", last_entry++);
3616 /* Delay displaying name as the last entry for better screen layout. */
3617 for (namepass = 0; namepass < 2; namepass++)
3619 format = format_start;
3621 for (formati = 0; formati < format_count; formati++)
3623 dwarf_vma content_type, form;
3625 content_type = read_uleb128 (format, & bytes_read, end);
3626 format += bytes_read;
3627 form = read_uleb128 (format, & bytes_read, end);
3628 format += bytes_read;
3629 data = read_and_display_attr_value (0, form, 0, data, end, 0, 0,
3630 linfo->li_offset_size,
3631 linfo->li_version, NULL,
3632 ((content_type == DW_LNCT_path) != (namepass == 1)),
3633 section, NULL, '\t');
3639 warn (_("Corrupt directory entries list\n"));
3641 warn (_("Corrupt file name entries list\n"));
3650 display_debug_lines_raw (struct dwarf_section * section,
3651 unsigned char * data,
3652 unsigned char * end,
3655 unsigned char *start = section->start;
3656 int verbose_view = 0;
3658 introduce (section, TRUE);
3662 static DWARF2_Internal_LineInfo saved_linfo;
3663 DWARF2_Internal_LineInfo linfo;
3664 unsigned char *standard_opcodes;
3665 unsigned char *end_of_sequence;
3668 if (const_strneq (section->name, ".debug_line.")
3669 /* Note: the following does not apply to .debug_line.dwo sections.
3670 These are full debug_line sections. */
3671 && strcmp (section->name, ".debug_line.dwo") != 0)
3673 /* Sections named .debug_line.<foo> are fragments of a .debug_line
3674 section containing just the Line Number Statements. They are
3675 created by the assembler and intended to be used alongside gcc's
3676 -ffunction-sections command line option. When the linker's
3677 garbage collection decides to discard a .text.<foo> section it
3678 can then also discard the line number information in .debug_line.<foo>.
3680 Since the section is a fragment it does not have the details
3681 needed to fill out a LineInfo structure, so instead we use the
3682 details from the last full debug_line section that we processed. */
3683 end_of_sequence = end;
3684 standard_opcodes = NULL;
3685 linfo = saved_linfo;
3686 /* PR 17531: file: 0522b371. */
3687 if (linfo.li_line_range == 0)
3689 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
3692 reset_state_machine (linfo.li_default_is_stmt);
3696 unsigned char * hdrptr;
3698 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
3699 & end_of_sequence)) == NULL)
3702 printf (_(" Offset: 0x%lx\n"), (long)(data - start));
3703 printf (_(" Length: %ld\n"), (long) linfo.li_length);
3704 printf (_(" DWARF Version: %d\n"), linfo.li_version);
3705 printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length);
3706 printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
3707 if (linfo.li_version >= 4)
3708 printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
3709 printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
3710 printf (_(" Line Base: %d\n"), linfo.li_line_base);
3711 printf (_(" Line Range: %d\n"), linfo.li_line_range);
3712 printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
3714 /* PR 17512: file: 1665-6428-0.004. */
3715 if (linfo.li_line_range == 0)
3717 warn (_("Line range of 0 is invalid, using 1 instead\n"));
3718 linfo.li_line_range = 1;
3721 reset_state_machine (linfo.li_default_is_stmt);
3723 /* Display the contents of the Opcodes table. */
3724 standard_opcodes = hdrptr;
3726 /* PR 17512: file: 002-417945-0.004. */
3727 if (standard_opcodes + linfo.li_opcode_base >= end)
3729 warn (_("Line Base extends beyond end of section\n"));
3733 printf (_("\n Opcodes:\n"));
3735 for (i = 1; i < linfo.li_opcode_base; i++)
3736 printf (ngettext (" Opcode %d has %d arg\n",
3737 " Opcode %d has %d args\n",
3738 standard_opcodes[i - 1]),
3739 i, standard_opcodes[i - 1]);
3741 /* Display the contents of the Directory table. */
3742 data = standard_opcodes + linfo.li_opcode_base - 1;
3744 if (linfo.li_version >= 5)
3746 load_debug_section_with_follow (line_str, file);
3748 data = display_formatted_table (data, start, end, &linfo, section,
3750 data = display_formatted_table (data, start, end, &linfo, section,
3756 printf (_("\n The Directory Table is empty.\n"));
3759 unsigned int last_dir_entry = 0;
3761 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3762 (long)(data - start));
3764 while (data < end && *data != 0)
3766 printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
3768 data += strnlen ((char *) data, end - data) + 1;
3771 /* PR 17512: file: 002-132094-0.004. */
3772 if (data >= end - 1)
3776 /* Skip the NUL at the end of the table. */
3779 /* Display the contents of the File Name table. */
3781 printf (_("\n The File Name Table is empty.\n"));
3784 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3785 (long)(data - start));
3786 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
3788 while (data < end && *data != 0)
3790 unsigned char *name;
3791 unsigned int bytes_read;
3793 printf (" %d\t", ++state_machine_regs.last_file_entry);
3795 data += strnlen ((char *) data, end - data) + 1;
3798 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3801 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3804 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3806 printf ("%.*s\n", (int)(end - name), name);
3810 warn (_("Corrupt file name table entry\n"));
3816 /* Skip the NUL at the end of the table. */
3821 saved_linfo = linfo;
3824 /* Now display the statements. */
3825 if (data >= end_of_sequence)
3826 printf (_(" No Line Number Statements.\n"));
3829 printf (_(" Line Number Statements:\n"));
3831 while (data < end_of_sequence)
3833 unsigned char op_code;
3834 dwarf_signed_vma adv;
3836 unsigned int bytes_read;
3838 printf (" [0x%08lx]", (long)(data - start));
3842 if (op_code >= linfo.li_opcode_base)
3844 op_code -= linfo.li_opcode_base;
3845 uladv = (op_code / linfo.li_line_range);
3846 if (linfo.li_max_ops_per_insn == 1)
3848 uladv *= linfo.li_min_insn_length;
3849 state_machine_regs.address += uladv;
3851 state_machine_regs.view = 0;
3852 printf (_(" Special opcode %d: "
3853 "advance Address by %s to 0x%s%s"),
3854 op_code, dwarf_vmatoa ("u", uladv),
3855 dwarf_vmatoa ("x", state_machine_regs.address),
3856 verbose_view && uladv
3857 ? _(" (reset view)") : "");
3862 = ((state_machine_regs.op_index + uladv)
3863 / linfo.li_max_ops_per_insn)
3864 * linfo.li_min_insn_length;
3866 state_machine_regs.address += addrdelta;
3867 state_machine_regs.op_index
3868 = (state_machine_regs.op_index + uladv)
3869 % linfo.li_max_ops_per_insn;
3871 state_machine_regs.view = 0;
3872 printf (_(" Special opcode %d: "
3873 "advance Address by %s to 0x%s[%d]%s"),
3874 op_code, dwarf_vmatoa ("u", uladv),
3875 dwarf_vmatoa ("x", state_machine_regs.address),
3876 state_machine_regs.op_index,
3877 verbose_view && addrdelta
3878 ? _(" (reset view)") : "");
3880 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
3881 state_machine_regs.line += adv;
3882 printf (_(" and Line by %s to %d"),
3883 dwarf_vmatoa ("d", adv), state_machine_regs.line);
3884 if (verbose_view || state_machine_regs.view)
3885 printf (_(" (view %u)\n"), state_machine_regs.view);
3888 state_machine_regs.view++;
3890 else switch (op_code)
3892 case DW_LNS_extended_op:
3893 data += process_extended_line_op (data, linfo.li_default_is_stmt, end);
3897 printf (_(" Copy"));
3898 if (verbose_view || state_machine_regs.view)
3899 printf (_(" (view %u)\n"), state_machine_regs.view);
3902 state_machine_regs.view++;
3905 case DW_LNS_advance_pc:
3906 uladv = read_uleb128 (data, & bytes_read, end);
3908 if (linfo.li_max_ops_per_insn == 1)
3910 uladv *= linfo.li_min_insn_length;
3911 state_machine_regs.address += uladv;
3913 state_machine_regs.view = 0;
3914 printf (_(" Advance PC by %s to 0x%s%s\n"),
3915 dwarf_vmatoa ("u", uladv),
3916 dwarf_vmatoa ("x", state_machine_regs.address),
3917 verbose_view && uladv
3918 ? _(" (reset view)") : "");
3923 = ((state_machine_regs.op_index + uladv)
3924 / linfo.li_max_ops_per_insn)
3925 * linfo.li_min_insn_length;
3926 state_machine_regs.address
3928 state_machine_regs.op_index
3929 = (state_machine_regs.op_index + uladv)
3930 % linfo.li_max_ops_per_insn;
3932 state_machine_regs.view = 0;
3933 printf (_(" Advance PC by %s to 0x%s[%d]%s\n"),
3934 dwarf_vmatoa ("u", uladv),
3935 dwarf_vmatoa ("x", state_machine_regs.address),
3936 state_machine_regs.op_index,
3937 verbose_view && addrdelta
3938 ? _(" (reset view)") : "");
3942 case DW_LNS_advance_line:
3943 adv = read_sleb128 (data, & bytes_read, end);
3945 state_machine_regs.line += adv;
3946 printf (_(" Advance Line by %s to %d\n"),
3947 dwarf_vmatoa ("d", adv),
3948 state_machine_regs.line);
3951 case DW_LNS_set_file:
3952 adv = read_uleb128 (data, & bytes_read, end);
3954 printf (_(" Set File Name to entry %s in the File Name Table\n"),
3955 dwarf_vmatoa ("d", adv));
3956 state_machine_regs.file = adv;
3959 case DW_LNS_set_column:
3960 uladv = read_uleb128 (data, & bytes_read, end);
3962 printf (_(" Set column to %s\n"),
3963 dwarf_vmatoa ("u", uladv));
3964 state_machine_regs.column = uladv;
3967 case DW_LNS_negate_stmt:
3968 adv = state_machine_regs.is_stmt;
3970 printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
3971 state_machine_regs.is_stmt = adv;
3974 case DW_LNS_set_basic_block:
3975 printf (_(" Set basic block\n"));
3976 state_machine_regs.basic_block = 1;
3979 case DW_LNS_const_add_pc:
3980 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
3981 if (linfo.li_max_ops_per_insn)
3983 uladv *= linfo.li_min_insn_length;
3984 state_machine_regs.address += uladv;
3986 state_machine_regs.view = 0;
3987 printf (_(" Advance PC by constant %s to 0x%s%s\n"),
3988 dwarf_vmatoa ("u", uladv),
3989 dwarf_vmatoa ("x", state_machine_regs.address),
3990 verbose_view && uladv
3991 ? _(" (reset view)") : "");
3996 = ((state_machine_regs.op_index + uladv)
3997 / linfo.li_max_ops_per_insn)
3998 * linfo.li_min_insn_length;
3999 state_machine_regs.address
4001 state_machine_regs.op_index
4002 = (state_machine_regs.op_index + uladv)
4003 % linfo.li_max_ops_per_insn;
4005 state_machine_regs.view = 0;
4006 printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"),
4007 dwarf_vmatoa ("u", uladv),
4008 dwarf_vmatoa ("x", state_machine_regs.address),
4009 state_machine_regs.op_index,
4010 verbose_view && addrdelta
4011 ? _(" (reset view)") : "");
4015 case DW_LNS_fixed_advance_pc:
4016 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4017 state_machine_regs.address += uladv;
4018 state_machine_regs.op_index = 0;
4019 printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
4020 dwarf_vmatoa ("u", uladv),
4021 dwarf_vmatoa ("x", state_machine_regs.address));
4022 /* Do NOT reset view. */
4025 case DW_LNS_set_prologue_end:
4026 printf (_(" Set prologue_end to true\n"));
4029 case DW_LNS_set_epilogue_begin:
4030 printf (_(" Set epilogue_begin to true\n"));
4033 case DW_LNS_set_isa:
4034 uladv = read_uleb128 (data, & bytes_read, end);
4036 printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
4040 printf (_(" Unknown opcode %d with operands: "), op_code);
4042 if (standard_opcodes != NULL)
4043 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4045 printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
4047 i == 1 ? "" : ", ");
4063 unsigned char *name;
4064 unsigned int directory_index;
4065 unsigned int modification_date;
4066 unsigned int length;
4069 /* Output a decoded representation of the .debug_line section. */
4072 display_debug_lines_decoded (struct dwarf_section * section,
4073 unsigned char * data,
4074 unsigned char * end,
4077 static DWARF2_Internal_LineInfo saved_linfo;
4079 introduce (section, FALSE);
4083 /* This loop amounts to one iteration per compilation unit. */
4084 DWARF2_Internal_LineInfo linfo;
4085 unsigned char *standard_opcodes;
4086 unsigned char *end_of_sequence;
4088 File_Entry *file_table = NULL;
4089 unsigned int n_files = 0;
4090 unsigned char **directory_table = NULL;
4091 dwarf_vma n_directories = 0;
4093 if (const_strneq (section->name, ".debug_line.")
4094 /* Note: the following does not apply to .debug_line.dwo sections.
4095 These are full debug_line sections. */
4096 && strcmp (section->name, ".debug_line.dwo") != 0)
4098 /* See comment in display_debug_lines_raw(). */
4099 end_of_sequence = end;
4100 standard_opcodes = NULL;
4101 linfo = saved_linfo;
4102 /* PR 17531: file: 0522b371. */
4103 if (linfo.li_line_range == 0)
4105 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
4108 reset_state_machine (linfo.li_default_is_stmt);
4112 unsigned char *hdrptr;
4114 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
4115 & end_of_sequence)) == NULL)
4118 /* PR 17531: file: 0522b371. */
4119 if (linfo.li_line_range == 0)
4121 warn (_("Line range of 0 is invalid, using 1 instead\n"));
4122 linfo.li_line_range = 1;
4124 reset_state_machine (linfo.li_default_is_stmt);
4126 /* Save a pointer to the contents of the Opcodes table. */
4127 standard_opcodes = hdrptr;
4129 /* Traverse the Directory table just to count entries. */
4130 data = standard_opcodes + linfo.li_opcode_base - 1;
4134 warn (_("opcode base of %d extends beyond end of section\n"),
4135 linfo.li_opcode_base);
4139 if (linfo.li_version >= 5)
4141 unsigned char *format_start, format_count, *format;
4142 dwarf_vma formati, entryi;
4143 unsigned int bytes_read;
4145 load_debug_section_with_follow (line_str, fileptr);
4147 /* Skip directories format. */
4148 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4149 format_start = data;
4150 for (formati = 0; formati < format_count; formati++)
4152 read_uleb128 (data, & bytes_read, end);
4154 read_uleb128 (data, & bytes_read, end);
4158 n_directories = read_uleb128 (data, & bytes_read, end);
4162 warn (_("Corrupt directories list\n"));
4166 directory_table = (unsigned char **)
4167 xmalloc (n_directories * sizeof (unsigned char *));
4169 for (entryi = 0; entryi < n_directories; entryi++)
4171 unsigned char **pathp = &directory_table[entryi];
4173 format = format_start;
4174 for (formati = 0; formati < format_count; formati++)
4176 dwarf_vma content_type, form;
4179 content_type = read_uleb128 (format, & bytes_read, end);
4180 format += bytes_read;
4181 form = read_uleb128 (format, & bytes_read, end);
4182 format += bytes_read;
4185 warn (_("Corrupt directories list\n"));
4188 switch (content_type)
4193 case DW_FORM_string:
4196 case DW_FORM_line_strp:
4197 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4199 /* Remove const by the cast. */
4200 *pathp = (unsigned char *)
4201 fetch_indirect_line_string (uvalue);
4206 data = read_and_display_attr_value (0, form, 0, data, end,
4208 linfo.li_offset_size,
4215 warn (_("Corrupt directories list\n"));
4220 /* Skip files format. */
4221 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4222 format_start = data;
4223 for (formati = 0; formati < format_count; formati++)
4225 read_uleb128 (data, & bytes_read, end);
4227 read_uleb128 (data, & bytes_read, end);
4231 n_files = read_uleb128 (data, & bytes_read, end);
4235 warn (_("Corrupt file name list\n"));
4239 file_table = (File_Entry *) xcalloc (1, n_files
4240 * sizeof (File_Entry));
4242 for (entryi = 0; entryi < n_files; entryi++)
4244 File_Entry *file = &file_table[entryi];
4246 format = format_start;
4247 for (formati = 0; formati < format_count; formati++)
4249 dwarf_vma content_type, form;
4252 content_type = read_uleb128 (format, & bytes_read, end);
4253 format += bytes_read;
4254 form = read_uleb128 (format, & bytes_read, end);
4255 format += bytes_read;
4258 warn (_("Corrupt file name list\n"));
4261 switch (content_type)
4266 case DW_FORM_string:
4269 case DW_FORM_line_strp:
4270 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4272 /* Remove const by the cast. */
4273 file->name = (unsigned char *)
4274 fetch_indirect_line_string (uvalue);
4278 case DW_LNCT_directory_index:
4282 SAFE_BYTE_GET (file->directory_index, data, 1,
4286 SAFE_BYTE_GET (file->directory_index, data, 2,
4290 file->directory_index = read_uleb128 (data, NULL,
4296 data = read_and_display_attr_value (0, form, 0, data, end,
4298 linfo.li_offset_size,
4305 warn (_("Corrupt file name list\n"));
4314 unsigned char *ptr_directory_table = data;
4316 while (data < end && *data != 0)
4318 data += strnlen ((char *) data, end - data) + 1;
4325 warn (_("directory table ends unexpectedly\n"));
4330 /* Go through the directory table again to save the directories. */
4331 directory_table = (unsigned char **)
4332 xmalloc (n_directories * sizeof (unsigned char *));
4335 while (*ptr_directory_table != 0)
4337 directory_table[i] = ptr_directory_table;
4338 ptr_directory_table += strnlen ((char *) ptr_directory_table,
4339 ptr_directory_table - end) + 1;
4343 /* Skip the NUL at the end of the table. */
4346 /* Traverse the File Name table just to count the entries. */
4347 if (data < end && *data != 0)
4349 unsigned char *ptr_file_name_table = data;
4351 while (data < end && *data != 0)
4353 unsigned int bytes_read;
4355 /* Skip Name, directory index, last modification time and length
4357 data += strnlen ((char *) data, end - data) + 1;
4358 read_uleb128 (data, & bytes_read, end);
4360 read_uleb128 (data, & bytes_read, end);
4362 read_uleb128 (data, & bytes_read, end);
4370 warn (_("file table ends unexpectedly\n"));
4375 /* Go through the file table again to save the strings. */
4376 file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
4379 while (*ptr_file_name_table != 0)
4381 unsigned int bytes_read;
4383 file_table[i].name = ptr_file_name_table;
4384 ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
4385 end - ptr_file_name_table) + 1;
4387 /* We are not interested in directory, time or size. */
4388 file_table[i].directory_index = read_uleb128 (ptr_file_name_table,
4390 ptr_file_name_table += bytes_read;
4391 file_table[i].modification_date = read_uleb128 (ptr_file_name_table,
4393 ptr_file_name_table += bytes_read;
4394 file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end);
4395 ptr_file_name_table += bytes_read;
4401 /* Skip the NUL at the end of the table. */
4405 /* Print the Compilation Unit's name and a header. */
4406 if (file_table == NULL)
4408 else if (directory_table == NULL)
4409 printf (_("CU: %s:\n"), file_table[0].name);
4412 unsigned int ix = file_table[0].directory_index;
4413 const char *directory;
4418 else if (n_directories == 0)
4419 directory = _("<unknown>");
4420 else if (ix > n_directories)
4422 warn (_("directory index %u > number of directories %s\n"),
4423 ix, dwarf_vmatoa ("u", n_directories));
4424 directory = _("<corrupt>");
4427 directory = (char *) directory_table[ix - 1];
4429 if (do_wide || strlen (directory) < 76)
4430 printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
4432 printf ("%s:\n", file_table[0].name);
4435 printf (_("File name Line number Starting address View Stmt\n"));
4436 saved_linfo = linfo;
4439 /* This loop iterates through the Dwarf Line Number Program. */
4440 while (data < end_of_sequence)
4442 unsigned char op_code;
4445 unsigned long int uladv;
4446 unsigned int bytes_read;
4447 int is_special_opcode = 0;
4452 if (op_code >= linfo.li_opcode_base)
4454 op_code -= linfo.li_opcode_base;
4455 uladv = (op_code / linfo.li_line_range);
4456 if (linfo.li_max_ops_per_insn == 1)
4458 uladv *= linfo.li_min_insn_length;
4459 state_machine_regs.address += uladv;
4461 state_machine_regs.view = 0;
4466 = ((state_machine_regs.op_index + uladv)
4467 / linfo.li_max_ops_per_insn)
4468 * linfo.li_min_insn_length;
4469 state_machine_regs.address
4471 state_machine_regs.op_index
4472 = (state_machine_regs.op_index + uladv)
4473 % linfo.li_max_ops_per_insn;
4475 state_machine_regs.view = 0;
4478 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
4479 state_machine_regs.line += adv;
4480 is_special_opcode = 1;
4481 /* Increment view after printing this row. */
4483 else switch (op_code)
4485 case DW_LNS_extended_op:
4487 unsigned int ext_op_code_len;
4488 unsigned char ext_op_code;
4489 unsigned char *op_code_data = data;
4491 ext_op_code_len = read_uleb128 (op_code_data, &bytes_read,
4493 op_code_data += bytes_read;
4495 if (ext_op_code_len == 0)
4497 warn (_("Badly formed extended line op encountered!\n"));
4500 ext_op_code_len += bytes_read;
4501 ext_op_code = *op_code_data++;
4505 switch (ext_op_code)
4507 case DW_LNE_end_sequence:
4508 /* Reset stuff after printing this row. */
4510 case DW_LNE_set_address:
4511 SAFE_BYTE_GET_AND_INC (state_machine_regs.address,
4513 ext_op_code_len - bytes_read - 1,
4515 state_machine_regs.op_index = 0;
4516 state_machine_regs.view = 0;
4518 case DW_LNE_define_file:
4520 file_table = (File_Entry *) xrealloc
4521 (file_table, (n_files + 1) * sizeof (File_Entry));
4523 ++state_machine_regs.last_file_entry;
4524 /* Source file name. */
4525 file_table[n_files].name = op_code_data;
4526 op_code_data += strlen ((char *) op_code_data) + 1;
4527 /* Directory index. */
4528 file_table[n_files].directory_index =
4529 read_uleb128 (op_code_data, & bytes_read,
4531 op_code_data += bytes_read;
4532 /* Last modification time. */
4533 file_table[n_files].modification_date =
4534 read_uleb128 (op_code_data, & bytes_read,
4536 op_code_data += bytes_read;
4538 file_table[n_files].length =
4539 read_uleb128 (op_code_data, & bytes_read,
4545 case DW_LNE_set_discriminator:
4546 case DW_LNE_HP_set_sequence:
4547 /* Simply ignored. */
4551 printf (_("UNKNOWN (%u): length %d\n"),
4552 ext_op_code, ext_op_code_len - bytes_read);
4555 data += ext_op_code_len;
4559 /* Increment view after printing this row. */
4562 case DW_LNS_advance_pc:
4563 uladv = read_uleb128 (data, & bytes_read, end);
4565 if (linfo.li_max_ops_per_insn == 1)
4567 uladv *= linfo.li_min_insn_length;
4568 state_machine_regs.address += uladv;
4570 state_machine_regs.view = 0;
4575 = ((state_machine_regs.op_index + uladv)
4576 / linfo.li_max_ops_per_insn)
4577 * linfo.li_min_insn_length;
4578 state_machine_regs.address
4580 state_machine_regs.op_index
4581 = (state_machine_regs.op_index + uladv)
4582 % linfo.li_max_ops_per_insn;
4584 state_machine_regs.view = 0;
4588 case DW_LNS_advance_line:
4589 adv = read_sleb128 (data, & bytes_read, end);
4591 state_machine_regs.line += adv;
4594 case DW_LNS_set_file:
4595 adv = read_uleb128 (data, & bytes_read, end);
4597 state_machine_regs.file = adv;
4600 unsigned file = state_machine_regs.file - 1;
4603 if (file_table == NULL || n_files == 0)
4604 printf (_("\n [Use file table entry %d]\n"), file);
4606 else if (file >= n_files)
4608 warn (_("file index %u > number of files %u\n"), file + 1, n_files);
4609 printf (_("\n <over large file table index %u>"), file);
4611 else if ((dir = file_table[file].directory_index) == 0)
4612 /* If directory index is 0, that means current directory. */
4613 printf ("\n./%s:[++]\n", file_table[file].name);
4614 else if (directory_table == NULL || n_directories == 0)
4615 printf (_("\n [Use file %s in directory table entry %d]\n"),
4616 file_table[file].name, dir);
4618 else if (dir > n_directories)
4620 warn (_("directory index %u > number of directories %s\n"),
4621 dir, dwarf_vmatoa ("u", n_directories));
4622 printf (_("\n <over large directory table entry %u>\n"), dir);
4625 printf ("\n%s/%s:\n",
4626 /* The directory index starts counting at 1. */
4627 directory_table[dir - 1], file_table[file].name);
4631 case DW_LNS_set_column:
4632 uladv = read_uleb128 (data, & bytes_read, end);
4634 state_machine_regs.column = uladv;
4637 case DW_LNS_negate_stmt:
4638 adv = state_machine_regs.is_stmt;
4640 state_machine_regs.is_stmt = adv;
4643 case DW_LNS_set_basic_block:
4644 state_machine_regs.basic_block = 1;
4647 case DW_LNS_const_add_pc:
4648 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
4649 if (linfo.li_max_ops_per_insn == 1)
4651 uladv *= linfo.li_min_insn_length;
4652 state_machine_regs.address += uladv;
4654 state_machine_regs.view = 0;
4659 = ((state_machine_regs.op_index + uladv)
4660 / linfo.li_max_ops_per_insn)
4661 * linfo.li_min_insn_length;
4662 state_machine_regs.address
4664 state_machine_regs.op_index
4665 = (state_machine_regs.op_index + uladv)
4666 % linfo.li_max_ops_per_insn;
4668 state_machine_regs.view = 0;
4672 case DW_LNS_fixed_advance_pc:
4673 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4674 state_machine_regs.address += uladv;
4675 state_machine_regs.op_index = 0;
4676 /* Do NOT reset view. */
4679 case DW_LNS_set_prologue_end:
4682 case DW_LNS_set_epilogue_begin:
4685 case DW_LNS_set_isa:
4686 uladv = read_uleb128 (data, & bytes_read, end);
4688 printf (_(" Set ISA to %lu\n"), uladv);
4692 printf (_(" Unknown opcode %d with operands: "), op_code);
4694 if (standard_opcodes != NULL)
4695 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4697 printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
4699 i == 1 ? "" : ", ");
4706 /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
4707 to the DWARF address/line matrix. */
4708 if ((is_special_opcode) || (xop == -DW_LNE_end_sequence)
4709 || (xop == DW_LNS_copy))
4711 const unsigned int MAX_FILENAME_LENGTH = 35;
4713 char *newFileName = NULL;
4714 size_t fileNameLength;
4718 unsigned indx = state_machine_regs.file - 1;
4720 if (indx >= n_files)
4722 warn (_("corrupt file index %u encountered\n"), indx);
4723 fileName = _("<corrupt>");
4726 fileName = (char *) file_table[indx].name;
4729 fileName = _("<unknown>");
4731 fileNameLength = strlen (fileName);
4733 if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
4735 newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
4736 /* Truncate file name */
4737 strncpy (newFileName,
4738 fileName + fileNameLength - MAX_FILENAME_LENGTH,
4739 MAX_FILENAME_LENGTH + 1);
4743 newFileName = (char *) xmalloc (fileNameLength + 1);
4744 strncpy (newFileName, fileName, fileNameLength + 1);
4747 if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
4749 if (linfo.li_max_ops_per_insn == 1)
4750 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x",
4751 newFileName, state_machine_regs.line,
4752 state_machine_regs.address);
4754 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]",
4755 newFileName, state_machine_regs.line,
4756 state_machine_regs.address,
4757 state_machine_regs.op_index);
4761 if (linfo.li_max_ops_per_insn == 1)
4762 printf ("%s %11d %#18" DWARF_VMA_FMT "x",
4763 newFileName, state_machine_regs.line,
4764 state_machine_regs.address);
4766 printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]",
4767 newFileName, state_machine_regs.line,
4768 state_machine_regs.address,
4769 state_machine_regs.op_index);
4772 if (state_machine_regs.view)
4773 printf (" %6u", state_machine_regs.view);
4777 if (state_machine_regs.is_stmt)
4781 state_machine_regs.view++;
4783 if (xop == -DW_LNE_end_sequence)
4785 reset_state_machine (linfo.li_default_is_stmt);
4800 if (directory_table)
4802 free (directory_table);
4803 directory_table = NULL;
4814 display_debug_lines (struct dwarf_section *section, void *file)
4816 unsigned char *data = section->start;
4817 unsigned char *end = data + section->size;
4819 int retValDecoded = 1;
4821 if (do_debug_lines == 0)
4822 do_debug_lines |= FLAG_DEBUG_LINES_RAW;
4824 if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
4825 retValRaw = display_debug_lines_raw (section, data, end, file);
4827 if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
4828 retValDecoded = display_debug_lines_decoded (section, data, end, file);
4830 if (!retValRaw || !retValDecoded)
4837 find_debug_info_for_offset (unsigned long offset)
4841 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
4844 for (i = 0; i < num_debug_info_entries; i++)
4845 if (debug_information[i].cu_offset == offset)
4846 return debug_information + i;
4852 get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind)
4854 /* See gdb/gdb-index.h. */
4855 static const char * const kinds[] =
4867 return _ (kinds[kind]);
4871 display_debug_pubnames_worker (struct dwarf_section *section,
4872 void *file ATTRIBUTE_UNUSED,
4875 DWARF2_Internal_PubNames names;
4876 unsigned char *start = section->start;
4877 unsigned char *end = start + section->size;
4879 /* It does not matter if this load fails,
4880 we test for that later on. */
4881 load_debug_info (file);
4883 introduce (section, FALSE);
4887 unsigned char *data;
4888 unsigned long sec_off;
4889 unsigned int offset_size, initial_length_size;
4891 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end);
4892 if (names.pn_length == 0xffffffff)
4894 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end);
4896 initial_length_size = 12;
4901 initial_length_size = 4;
4904 sec_off = start - section->start;
4905 if (sec_off + names.pn_length < sec_off
4906 || sec_off + names.pn_length > section->size)
4908 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
4910 sec_off - initial_length_size,
4911 dwarf_vmatoa ("x", names.pn_length));
4916 start += names.pn_length;
4918 SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end);
4919 SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end);
4921 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
4922 && num_debug_info_entries > 0
4923 && find_debug_info_for_offset (names.pn_offset) == NULL)
4924 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
4925 (unsigned long) names.pn_offset, section->name);
4927 SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end);
4929 printf (_(" Length: %ld\n"),
4930 (long) names.pn_length);
4931 printf (_(" Version: %d\n"),
4933 printf (_(" Offset into .debug_info section: 0x%lx\n"),
4934 (unsigned long) names.pn_offset);
4935 printf (_(" Size of area in .debug_info section: %ld\n"),
4936 (long) names.pn_size);
4938 if (names.pn_version != 2 && names.pn_version != 3)
4940 static int warned = 0;
4944 warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
4952 printf (_("\n Offset Kind Name\n"));
4954 printf (_("\n Offset\tName\n"));
4958 bfd_size_type maxprint;
4961 SAFE_BYTE_GET (offset, data, offset_size, end);
4966 data += offset_size;
4969 maxprint = (end - data) - 1;
4973 unsigned int kind_data;
4974 gdb_index_symbol_kind kind;
4975 const char *kind_name;
4978 SAFE_BYTE_GET (kind_data, data, 1, end);
4981 /* GCC computes the kind as the upper byte in the CU index
4982 word, and then right shifts it by the CU index size.
4983 Left shift KIND to where the gdb-index.h accessor macros
4985 kind_data <<= GDB_INDEX_CU_BITSIZE;
4986 kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data);
4987 kind_name = get_gdb_index_symbol_kind_name (kind);
4988 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data);
4989 printf (" %-6lx %s,%-10s %.*s\n",
4990 (unsigned long) offset, is_static ? _("s") : _("g"),
4991 kind_name, (int) maxprint, data);
4994 printf (" %-6lx\t%.*s\n",
4995 (unsigned long) offset, (int) maxprint, data);
4997 data += strnlen ((char *) data, maxprint) + 1;
5008 display_debug_pubnames (struct dwarf_section *section, void *file)
5010 return display_debug_pubnames_worker (section, file, 0);
5014 display_debug_gnu_pubnames (struct dwarf_section *section, void *file)
5016 return display_debug_pubnames_worker (section, file, 1);
5020 display_debug_macinfo (struct dwarf_section *section,
5021 void *file ATTRIBUTE_UNUSED)
5023 unsigned char *start = section->start;
5024 unsigned char *end = start + section->size;
5025 unsigned char *curr = start;
5026 unsigned int bytes_read;
5027 enum dwarf_macinfo_record_type op;
5029 introduce (section, FALSE);
5033 unsigned int lineno;
5034 const unsigned char *string;
5036 op = (enum dwarf_macinfo_record_type) *curr;
5041 case DW_MACINFO_start_file:
5043 unsigned int filenum;
5045 lineno = read_uleb128 (curr, & bytes_read, end);
5047 filenum = read_uleb128 (curr, & bytes_read, end);
5050 printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
5055 case DW_MACINFO_end_file:
5056 printf (_(" DW_MACINFO_end_file\n"));
5059 case DW_MACINFO_define:
5060 lineno = read_uleb128 (curr, & bytes_read, end);
5063 curr += strnlen ((char *) string, end - string) + 1;
5064 printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
5068 case DW_MACINFO_undef:
5069 lineno = read_uleb128 (curr, & bytes_read, end);
5072 curr += strnlen ((char *) string, end - string) + 1;
5073 printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
5077 case DW_MACINFO_vendor_ext:
5079 unsigned int constant;
5081 constant = read_uleb128 (curr, & bytes_read, end);
5084 curr += strnlen ((char *) string, end - string) + 1;
5085 printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
5095 /* Given LINE_OFFSET into the .debug_line section, attempt to return
5096 filename and dirname corresponding to file name table entry with index
5097 FILEIDX. Return NULL on failure. */
5099 static unsigned char *
5100 get_line_filename_and_dirname (dwarf_vma line_offset,
5102 unsigned char **dir_name)
5104 struct dwarf_section *section = &debug_displays [line].section;
5105 unsigned char *hdrptr, *dirtable, *file_name;
5106 unsigned int offset_size, initial_length_size;
5107 unsigned int version, opcode_base, bytes_read;
5108 dwarf_vma length, diridx;
5109 const unsigned char * end;
5112 if (section->start == NULL
5113 || line_offset >= section->size
5117 hdrptr = section->start + line_offset;
5118 end = section->start + section->size;
5120 SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end);
5121 if (length == 0xffffffff)
5123 /* This section is 64-bit DWARF 3. */
5124 SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end);
5126 initial_length_size = 12;
5131 initial_length_size = 4;
5133 if (length + initial_length_size < length
5134 || length + initial_length_size > section->size)
5137 SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end);
5138 if (version != 2 && version != 3 && version != 4)
5140 hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
5142 hdrptr++; /* Skip max_ops_per_insn. */
5143 hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
5145 SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end);
5146 if (opcode_base == 0)
5149 hdrptr += opcode_base - 1;
5154 /* Skip over dirname table. */
5155 while (*hdrptr != '\0')
5157 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5161 hdrptr++; /* Skip the NUL at the end of the table. */
5163 /* Now skip over preceding filename table entries. */
5164 for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--)
5166 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5167 read_uleb128 (hdrptr, &bytes_read, end);
5168 hdrptr += bytes_read;
5169 read_uleb128 (hdrptr, &bytes_read, end);
5170 hdrptr += bytes_read;
5171 read_uleb128 (hdrptr, &bytes_read, end);
5172 hdrptr += bytes_read;
5174 if (hdrptr >= end || *hdrptr == '\0')
5178 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5181 diridx = read_uleb128 (hdrptr, &bytes_read, end);
5184 for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--)
5185 dirtable += strnlen ((char *) dirtable, end - dirtable) + 1;
5186 if (dirtable >= end || *dirtable == '\0')
5188 *dir_name = dirtable;
5193 display_debug_macro (struct dwarf_section *section,
5196 unsigned char *start = section->start;
5197 unsigned char *end = start + section->size;
5198 unsigned char *curr = start;
5199 unsigned char *extended_op_buf[256];
5200 unsigned int bytes_read;
5202 load_debug_section_with_follow (str, file);
5203 load_debug_section_with_follow (line, file);
5205 introduce (section, FALSE);
5209 unsigned int lineno, version, flags;
5210 unsigned int offset_size = 4;
5211 const unsigned char *string;
5212 dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
5213 unsigned char **extended_ops = NULL;
5215 SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
5216 if (version != 4 && version != 5)
5218 error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"),
5223 SAFE_BYTE_GET_AND_INC (flags, curr, 1, end);
5226 printf (_(" Offset: 0x%lx\n"),
5227 (unsigned long) sec_offset);
5228 printf (_(" Version: %d\n"), version);
5229 printf (_(" Offset size: %d\n"), offset_size);
5232 SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end);
5233 printf (_(" Offset into .debug_line: 0x%lx\n"),
5234 (unsigned long) line_offset);
5238 unsigned int i, count, op;
5241 SAFE_BYTE_GET_AND_INC (count, curr, 1, end);
5243 memset (extended_op_buf, 0, sizeof (extended_op_buf));
5244 extended_ops = extended_op_buf;
5247 printf (_(" Extension opcode arguments:\n"));
5248 for (i = 0; i < count; i++)
5250 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
5251 extended_ops[op] = curr;
5252 nargs = read_uleb128 (curr, &bytes_read, end);
5255 printf (_(" DW_MACRO_%02x has no arguments\n"), op);
5258 printf (_(" DW_MACRO_%02x arguments: "), op);
5259 for (n = 0; n < nargs; n++)
5263 SAFE_BYTE_GET_AND_INC (form, curr, 1, end);
5264 printf ("%s%s", get_FORM_name (form),
5265 n == nargs - 1 ? "\n" : ", ");
5275 case DW_FORM_block1:
5276 case DW_FORM_block2:
5277 case DW_FORM_block4:
5279 case DW_FORM_string:
5281 case DW_FORM_sec_offset:
5284 error (_("Invalid extension opcode form %s\n"),
5285 get_FORM_name (form));
5301 error (_(".debug_macro section not zero terminated\n"));
5305 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
5311 case DW_MACRO_start_file:
5313 unsigned int filenum;
5314 unsigned char *file_name = NULL, *dir_name = NULL;
5316 lineno = read_uleb128 (curr, &bytes_read, end);
5318 filenum = read_uleb128 (curr, &bytes_read, end);
5321 if ((flags & 2) == 0)
5322 error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n"));
5325 = get_line_filename_and_dirname (line_offset, filenum,
5327 if (file_name == NULL)
5328 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"),
5331 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
5333 dir_name != NULL ? (const char *) dir_name : "",
5334 dir_name != NULL ? "/" : "", file_name);
5338 case DW_MACRO_end_file:
5339 printf (_(" DW_MACRO_end_file\n"));
5342 case DW_MACRO_define:
5343 lineno = read_uleb128 (curr, &bytes_read, end);
5346 curr += strnlen ((char *) string, end - string) + 1;
5347 printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"),
5351 case DW_MACRO_undef:
5352 lineno = read_uleb128 (curr, &bytes_read, end);
5355 curr += strnlen ((char *) string, end - string) + 1;
5356 printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"),
5360 case DW_MACRO_define_strp:
5361 lineno = read_uleb128 (curr, &bytes_read, end);
5363 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5364 string = fetch_indirect_string (offset);
5365 printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"),
5369 case DW_MACRO_undef_strp:
5370 lineno = read_uleb128 (curr, &bytes_read, end);
5372 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5373 string = fetch_indirect_string (offset);
5374 printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"),
5378 case DW_MACRO_import:
5379 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5380 printf (_(" DW_MACRO_import - offset : 0x%lx\n"),
5381 (unsigned long) offset);
5384 case DW_MACRO_define_sup:
5385 lineno = read_uleb128 (curr, &bytes_read, end);
5387 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5388 printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"),
5389 lineno, (unsigned long) offset);
5392 case DW_MACRO_undef_sup:
5393 lineno = read_uleb128 (curr, &bytes_read, end);
5395 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5396 printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"),
5397 lineno, (unsigned long) offset);
5400 case DW_MACRO_import_sup:
5401 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5402 printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"),
5403 (unsigned long) offset);
5407 if (extended_ops == NULL || extended_ops[op] == NULL)
5409 error (_(" Unknown macro opcode %02x seen\n"), op);
5414 /* Skip over unhandled opcodes. */
5416 unsigned char *desc = extended_ops[op];
5417 nargs = read_uleb128 (desc, &bytes_read, end);
5421 printf (_(" DW_MACRO_%02x\n"), op);
5424 printf (_(" DW_MACRO_%02x -"), op);
5425 for (n = 0; n < nargs; n++)
5429 /* DW_FORM_implicit_const is not expected here. */
5430 SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
5432 = read_and_display_attr_value (0, val, 0,
5433 curr, end, 0, 0, offset_size,
5434 version, NULL, 0, NULL,
5452 display_debug_abbrev (struct dwarf_section *section,
5453 void *file ATTRIBUTE_UNUSED)
5455 abbrev_entry *entry;
5456 unsigned char *start = section->start;
5457 unsigned char *end = start + section->size;
5459 introduce (section, FALSE);
5463 unsigned char *last;
5468 start = process_abbrev_section (start, end);
5470 if (first_abbrev == NULL)
5473 printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start));
5475 for (entry = first_abbrev; entry; entry = entry->next)
5479 printf (" %ld %s [%s]\n",
5481 get_TAG_name (entry->tag),
5482 entry->children ? _("has children") : _("no children"));
5484 for (attr = entry->first_attr; attr; attr = attr->next)
5486 printf (" %-18s %s",
5487 get_AT_name (attr->attribute),
5488 get_FORM_name (attr->form));
5489 if (attr->form == DW_FORM_implicit_const)
5490 printf (": %" BFD_VMA_FMT "d", attr->implicit_const);
5502 /* Return true when ADDR is the maximum address, when addresses are
5503 POINTER_SIZE bytes long. */
5506 is_max_address (dwarf_vma addr, unsigned int pointer_size)
5508 dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1));
5509 return ((addr & mask) == mask);
5512 /* Display a view pair list starting at *VSTART_PTR and ending at
5513 VLISTEND within SECTION. */
5516 display_view_pair_list (struct dwarf_section *section,
5517 unsigned char **vstart_ptr,
5518 unsigned int debug_info_entry,
5519 unsigned char *vlistend)
5521 unsigned char *vstart = *vstart_ptr;
5522 unsigned char *section_end = section->start + section->size;
5523 unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
5525 if (vlistend < section_end)
5526 section_end = vlistend;
5530 while (vstart < section_end)
5532 dwarf_vma off = vstart - section->start;
5533 dwarf_vma vbegin, vend;
5535 unsigned int bytes_read;
5536 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5537 vstart += bytes_read;
5538 if (vstart == section_end)
5540 vstart -= bytes_read;
5544 vend = read_uleb128 (vstart, &bytes_read, section_end);
5545 vstart += bytes_read;
5547 printf (" %8.8lx ", (unsigned long) off);
5549 print_dwarf_view (vbegin, pointer_size, 1);
5550 print_dwarf_view (vend, pointer_size, 1);
5551 printf (_("location view pair\n"));
5555 *vstart_ptr = vstart;
5558 /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
5561 display_loc_list (struct dwarf_section *section,
5562 unsigned char **start_ptr,
5563 unsigned int debug_info_entry,
5565 dwarf_vma base_address,
5566 unsigned char **vstart_ptr,
5569 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
5570 unsigned char *section_end = section->start + section->size;
5571 unsigned long cu_offset;
5572 unsigned int pointer_size;
5573 unsigned int offset_size;
5578 unsigned short length;
5579 int need_frame_base;
5581 if (debug_info_entry >= num_debug_info_entries)
5583 warn (_("No debug information available for loc lists of entry: %u\n"),
5588 cu_offset = debug_information [debug_info_entry].cu_offset;
5589 pointer_size = debug_information [debug_info_entry].pointer_size;
5590 offset_size = debug_information [debug_info_entry].offset_size;
5591 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5593 if (pointer_size < 2 || pointer_size > 8)
5595 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5596 pointer_size, debug_info_entry);
5602 dwarf_vma off = offset + (start - *start_ptr);
5603 dwarf_vma vbegin = vm1, vend = vm1;
5605 if (start + 2 * pointer_size > section_end)
5607 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5608 (unsigned long) offset);
5612 printf (" %8.8lx ", (unsigned long) off);
5614 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
5615 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
5617 if (begin == 0 && end == 0)
5619 /* PR 18374: In a object file we can have a location list that
5620 starts with a begin and end of 0 because there are relocations
5621 that need to be applied to the addresses. Actually applying
5622 the relocations now does not help as they will probably resolve
5623 to 0, since the object file has not been fully linked. Real
5624 end of list markers will not have any relocations against them. */
5625 if (! reloc_at (section, off)
5626 && ! reloc_at (section, off + pointer_size))
5628 printf (_("<End of list>\n"));
5633 /* Check base address specifiers. */
5634 if (is_max_address (begin, pointer_size)
5635 && !is_max_address (end, pointer_size))
5638 print_dwarf_vma (begin, pointer_size);
5639 print_dwarf_vma (end, pointer_size);
5640 printf (_("(base address)\n"));
5646 unsigned int bytes_read;
5648 off = offset + (vstart - *start_ptr);
5650 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5651 vstart += bytes_read;
5652 print_dwarf_view (vbegin, pointer_size, 1);
5654 vend = read_uleb128 (vstart, &bytes_read, section_end);
5655 vstart += bytes_read;
5656 print_dwarf_view (vend, pointer_size, 1);
5658 printf (_("views at %8.8lx for:\n %*s "),
5659 (unsigned long) off, 8, "");
5662 if (start + 2 > section_end)
5664 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5665 (unsigned long) offset);
5669 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
5671 if (start + length > section_end)
5673 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5674 (unsigned long) offset);
5678 print_dwarf_vma (begin + base_address, pointer_size);
5679 print_dwarf_vma (end + base_address, pointer_size);
5682 need_frame_base = decode_location_expression (start,
5687 cu_offset, section);
5690 if (need_frame_base && !has_frame_base)
5691 printf (_(" [without DW_AT_frame_base]"));
5693 if (begin == end && vbegin == vend)
5694 fputs (_(" (start == end)"), stdout);
5695 else if (begin > end || (begin == end && vbegin > vend))
5696 fputs (_(" (start > end)"), stdout);
5704 *vstart_ptr = vstart;
5707 /* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */
5710 display_loclists_list (struct dwarf_section *section,
5711 unsigned char **start_ptr,
5712 unsigned int debug_info_entry,
5714 dwarf_vma base_address,
5715 unsigned char **vstart_ptr,
5718 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
5719 unsigned char *section_end = section->start + section->size;
5720 unsigned long cu_offset;
5721 unsigned int pointer_size;
5722 unsigned int offset_size;
5724 unsigned int bytes_read;
5726 /* Initialize it due to a false compiler warning. */
5727 dwarf_vma begin = -1, vbegin = -1;
5728 dwarf_vma end = -1, vend = -1;
5730 int need_frame_base;
5732 if (debug_info_entry >= num_debug_info_entries)
5734 warn (_("No debug information available for "
5735 "loclists lists of entry: %u\n"),
5740 cu_offset = debug_information [debug_info_entry].cu_offset;
5741 pointer_size = debug_information [debug_info_entry].pointer_size;
5742 offset_size = debug_information [debug_info_entry].offset_size;
5743 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5745 if (pointer_size < 2 || pointer_size > 8)
5747 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5748 pointer_size, debug_info_entry);
5754 dwarf_vma off = offset + (start - *start_ptr);
5755 enum dwarf_location_list_entry_type llet;
5757 if (start + 1 > section_end)
5759 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5760 (unsigned long) offset);
5764 printf (" %8.8lx ", (unsigned long) off);
5766 SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end);
5768 if (vstart && llet == DW_LLE_offset_pair)
5770 off = offset + (vstart - *start_ptr);
5772 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5773 vstart += bytes_read;
5774 print_dwarf_view (vbegin, pointer_size, 1);
5776 vend = read_uleb128 (vstart, &bytes_read, section_end);
5777 vstart += bytes_read;
5778 print_dwarf_view (vend, pointer_size, 1);
5780 printf (_("views at %8.8lx for:\n %*s "),
5781 (unsigned long) off, 8, "");
5786 case DW_LLE_end_of_list:
5787 printf (_("<End of list>\n"));
5789 case DW_LLE_offset_pair:
5790 begin = read_uleb128 (start, &bytes_read, section_end);
5791 start += bytes_read;
5792 end = read_uleb128 (start, &bytes_read, section_end);
5793 start += bytes_read;
5795 case DW_LLE_base_address:
5796 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size,
5798 print_dwarf_vma (base_address, pointer_size);
5799 printf (_("(base address)\n"));
5801 #ifdef DW_LLE_view_pair
5802 case DW_LLE_view_pair:
5804 printf (_("View pair entry in loclist with locviews attribute\n"));
5805 vbegin = read_uleb128 (start, &bytes_read, section_end);
5806 start += bytes_read;
5807 print_dwarf_view (vbegin, pointer_size, 1);
5809 vend = read_uleb128 (start, &bytes_read, section_end);
5810 start += bytes_read;
5811 print_dwarf_view (vend, pointer_size, 1);
5813 printf (_("views for:\n"));
5817 error (_("Invalid location list entry type %d\n"), llet);
5820 if (llet == DW_LLE_end_of_list)
5822 if (llet != DW_LLE_offset_pair)
5825 if (start + 2 > section_end)
5827 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5828 (unsigned long) offset);
5832 length = read_uleb128 (start, &bytes_read, section_end);
5833 start += bytes_read;
5835 print_dwarf_vma (begin + base_address, pointer_size);
5836 print_dwarf_vma (end + base_address, pointer_size);
5839 need_frame_base = decode_location_expression (start,
5844 cu_offset, section);
5847 if (need_frame_base && !has_frame_base)
5848 printf (_(" [without DW_AT_frame_base]"));
5850 if (begin == end && vbegin == vend)
5851 fputs (_(" (start == end)"), stdout);
5852 else if (begin > end || (begin == end && vbegin > vend))
5853 fputs (_(" (start > end)"), stdout);
5861 if (vbegin != vm1 || vend != vm1)
5862 printf (_("Trailing view pair not used in a range"));
5865 *vstart_ptr = vstart;
5868 /* Print a .debug_addr table index in decimal, surrounded by square brackets,
5869 right-adjusted in a field of length LEN, and followed by a space. */
5872 print_addr_index (unsigned int idx, unsigned int len)
5874 static char buf[15];
5875 snprintf (buf, sizeof (buf), "[%d]", idx);
5876 printf ("%*s ", len, buf);
5879 /* Display a location list from a .dwo section. It uses address indexes rather
5880 than embedded addresses. This code closely follows display_loc_list, but the
5881 two are sufficiently different that combining things is very ugly. */
5884 display_loc_list_dwo (struct dwarf_section *section,
5885 unsigned char **start_ptr,
5886 unsigned int debug_info_entry,
5888 unsigned char **vstart_ptr,
5891 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
5892 unsigned char *section_end = section->start + section->size;
5893 unsigned long cu_offset;
5894 unsigned int pointer_size;
5895 unsigned int offset_size;
5898 unsigned short length;
5899 int need_frame_base;
5901 unsigned int bytes_read;
5903 if (debug_info_entry >= num_debug_info_entries)
5905 warn (_("No debug information for loc lists of entry: %u\n"),
5910 cu_offset = debug_information [debug_info_entry].cu_offset;
5911 pointer_size = debug_information [debug_info_entry].pointer_size;
5912 offset_size = debug_information [debug_info_entry].offset_size;
5913 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5915 if (pointer_size < 2 || pointer_size > 8)
5917 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5918 pointer_size, debug_info_entry);
5924 printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr)));
5926 if (start >= section_end)
5928 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5929 (unsigned long) offset);
5933 SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end);
5946 dwarf_vma off = offset + (vstart - *start_ptr);
5948 view = read_uleb128 (vstart, &bytes_read, section_end);
5949 vstart += bytes_read;
5950 print_dwarf_view (view, 8, 1);
5952 view = read_uleb128 (vstart, &bytes_read, section_end);
5953 vstart += bytes_read;
5954 print_dwarf_view (view, 8, 1);
5956 printf (_("views at %8.8lx for:\n %*s "),
5957 (unsigned long) off, 8, "");
5965 case 0: /* A terminating entry. */
5967 *vstart_ptr = vstart;
5968 printf (_("<End of list>\n"));
5970 case 1: /* A base-address entry. */
5971 idx = read_uleb128 (start, &bytes_read, section_end);
5972 start += bytes_read;
5973 print_addr_index (idx, 8);
5974 printf ("%*s", 9 + (vstart ? 2 * 6 : 0), "");
5975 printf (_("(base address selection entry)\n"));
5977 case 2: /* A start/end entry. */
5978 idx = read_uleb128 (start, &bytes_read, section_end);
5979 start += bytes_read;
5980 print_addr_index (idx, 8);
5981 idx = read_uleb128 (start, &bytes_read, section_end);
5982 start += bytes_read;
5983 print_addr_index (idx, 8);
5985 case 3: /* A start/length entry. */
5986 idx = read_uleb128 (start, &bytes_read, section_end);
5987 start += bytes_read;
5988 print_addr_index (idx, 8);
5989 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5990 printf ("%08x ", idx);
5992 case 4: /* An offset pair entry. */
5993 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5994 printf ("%08x ", idx);
5995 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5996 printf ("%08x ", idx);
5999 warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
6001 *vstart_ptr = vstart;
6005 if (start + 2 > section_end)
6007 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
6008 (unsigned long) offset);
6012 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
6013 if (start + length > section_end)
6015 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
6016 (unsigned long) offset);
6021 need_frame_base = decode_location_expression (start,
6026 cu_offset, section);
6029 if (need_frame_base && !has_frame_base)
6030 printf (_(" [without DW_AT_frame_base]"));
6038 *vstart_ptr = vstart;
6041 /* Sort array of indexes in ascending order of loc_offsets[idx] and
6044 static dwarf_vma *loc_offsets, *loc_views;
6047 loc_offsets_compar (const void *ap, const void *bp)
6049 dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
6050 dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
6052 int ret = (a > b) - (b > a);
6056 a = loc_views[*(const unsigned int *) ap];
6057 b = loc_views[*(const unsigned int *) bp];
6059 ret = (a > b) - (b > a);
6065 display_debug_loc (struct dwarf_section *section, void *file)
6067 unsigned char *start = section->start, *vstart = NULL;
6068 unsigned long bytes;
6069 unsigned char *section_begin = start;
6070 unsigned int num_loc_list = 0;
6071 unsigned long last_offset = 0;
6072 unsigned long last_view = 0;
6073 unsigned int first = 0;
6076 int seen_first_offset = 0;
6077 int locs_sorted = 1;
6078 unsigned char *next = start, *vnext = vstart;
6079 unsigned int *array = NULL;
6080 const char *suffix = strrchr (section->name, '.');
6081 bfd_boolean is_dwo = FALSE;
6082 int is_loclists = strstr (section->name, "debug_loclists") != NULL;
6083 dwarf_vma expected_start = 0;
6085 if (suffix && strcmp (suffix, ".dwo") == 0)
6088 bytes = section->size;
6092 printf (_("\nThe %s section is empty.\n"), section->name);
6098 unsigned char *hdrptr = section_begin;
6099 dwarf_vma ll_length;
6100 unsigned short ll_version;
6101 unsigned char *end = section_begin + section->size;
6102 unsigned char address_size, segment_selector_size;
6103 uint32_t offset_entry_count;
6105 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end);
6106 if (ll_length == 0xffffffff)
6107 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end);
6109 SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end);
6110 if (ll_version != 5)
6112 warn (_("The %s section contains corrupt or "
6113 "unsupported version number: %d.\n"),
6114 section->name, ll_version);
6118 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
6120 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
6121 if (segment_selector_size != 0)
6123 warn (_("The %s section contains "
6124 "unsupported segment selector size: %d.\n"),
6125 section->name, segment_selector_size);
6129 SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end);
6130 if (offset_entry_count != 0)
6132 warn (_("The %s section contains "
6133 "unsupported offset entry count: %d.\n"),
6134 section->name, offset_entry_count);
6138 expected_start = hdrptr - section_begin;
6141 if (load_debug_info (file) == 0)
6143 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6148 /* Check the order of location list in .debug_info section. If
6149 offsets of location lists are in the ascending order, we can
6150 use `debug_information' directly. */
6151 for (i = 0; i < num_debug_info_entries; i++)
6155 num = debug_information [i].num_loc_offsets;
6156 if (num > num_loc_list)
6159 /* Check if we can use `debug_information' directly. */
6160 if (locs_sorted && num != 0)
6162 if (!seen_first_offset)
6164 /* This is the first location list. */
6165 last_offset = debug_information [i].loc_offsets [0];
6166 last_view = debug_information [i].loc_views [0];
6168 seen_first_offset = 1;
6174 for (; j < num; j++)
6177 debug_information [i].loc_offsets [j]
6178 || (last_offset == debug_information [i].loc_offsets [j]
6179 && last_view > debug_information [i].loc_views [j]))
6184 last_offset = debug_information [i].loc_offsets [j];
6185 last_view = debug_information [i].loc_views [j];
6190 if (!seen_first_offset)
6191 error (_("No location lists in .debug_info section!\n"));
6193 if (debug_information [first].num_loc_offsets > 0
6194 && debug_information [first].loc_offsets [0] != expected_start
6195 && debug_information [first].loc_views [0] != expected_start)
6196 warn (_("Location lists in %s section start at 0x%s\n"),
6198 dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
6201 array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
6203 introduce (section, FALSE);
6205 if (reloc_at (section, 0))
6206 printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n"));
6208 printf (_(" Offset Begin End Expression\n"));
6210 seen_first_offset = 0;
6211 for (i = first; i < num_debug_info_entries; i++)
6213 dwarf_vma offset, voffset;
6214 dwarf_vma base_address;
6220 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
6222 loc_offsets = debug_information [i].loc_offsets;
6223 loc_views = debug_information [i].loc_views;
6224 qsort (array, debug_information [i].num_loc_offsets,
6225 sizeof (*array), loc_offsets_compar);
6228 int adjacent_view_loclists = 1;
6229 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
6231 j = locs_sorted ? k : array[k];
6233 && (debug_information [i].loc_offsets [locs_sorted
6234 ? k - 1 : array [k - 1]]
6235 == debug_information [i].loc_offsets [j])
6236 && (debug_information [i].loc_views [locs_sorted
6237 ? k - 1 : array [k - 1]]
6238 == debug_information [i].loc_views [j]))
6240 has_frame_base = debug_information [i].have_frame_base [j];
6241 offset = debug_information [i].loc_offsets [j];
6242 next = section_begin + offset;
6243 voffset = debug_information [i].loc_views [j];
6245 vnext = section_begin + voffset;
6248 base_address = debug_information [i].base_address;
6250 if (vnext && vnext < next)
6253 display_view_pair_list (section, &vstart, i, next);
6258 if (!seen_first_offset || !adjacent_view_loclists)
6259 seen_first_offset = 1;
6263 warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
6264 (unsigned long) (start - section_begin),
6265 (unsigned long) offset);
6266 else if (start > next)
6267 warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
6268 (unsigned long) (start - section_begin),
6269 (unsigned long) offset);
6274 if (offset >= bytes)
6276 warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
6277 (unsigned long) offset);
6281 if (vnext && voffset >= bytes)
6283 warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"),
6284 (unsigned long) voffset);
6291 display_loc_list_dwo (section, &start, i, offset,
6292 &vstart, has_frame_base);
6294 display_loc_list (section, &start, i, offset, base_address,
6295 &vstart, has_frame_base);
6300 warn (_("DWO is not yet supported.\n"));
6302 display_loclists_list (section, &start, i, offset, base_address,
6303 &vstart, has_frame_base);
6306 /* FIXME: this arrangement is quite simplistic. Nothing
6307 requires locview lists to be adjacent to corresponding
6308 loclists, and a single loclist could be augmented by
6309 different locview lists, and vice-versa, unlikely as it
6310 is that it would make sense to do so. Hopefully we'll
6311 have view pair support built into loclists before we ever
6312 need to address all these possibilities. */
6313 if (adjacent_view_loclists && vnext
6314 && vnext != start && vstart != next)
6316 adjacent_view_loclists = 0;
6317 warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n"));
6320 if (vnext && vnext == start)
6321 display_view_pair_list (section, &start, i, vstart);
6325 if (start < section->start + section->size)
6326 warn (ngettext ("There is %ld unused byte at the end of section %s\n",
6327 "There are %ld unused bytes at the end of section %s\n",
6328 (long) (section->start + section->size - start)),
6329 (long) (section->start + section->size - start), section->name);
6336 display_debug_str (struct dwarf_section *section,
6337 void *file ATTRIBUTE_UNUSED)
6339 unsigned char *start = section->start;
6340 unsigned long bytes = section->size;
6341 dwarf_vma addr = section->address;
6345 printf (_("\nThe %s section is empty.\n"), section->name);
6349 introduce (section, FALSE);
6357 lbytes = (bytes > 16 ? 16 : bytes);
6359 printf (" 0x%8.8lx ", (unsigned long) addr);
6361 for (j = 0; j < 16; j++)
6364 printf ("%2.2x", start[j]);
6372 for (j = 0; j < lbytes; j++)
6375 if (k >= ' ' && k < 0x80)
6394 display_debug_info (struct dwarf_section *section, void *file)
6396 return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE);
6400 display_debug_types (struct dwarf_section *section, void *file)
6402 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
6406 display_trace_info (struct dwarf_section *section, void *file)
6408 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
6412 display_debug_aranges (struct dwarf_section *section,
6413 void *file ATTRIBUTE_UNUSED)
6415 unsigned char *start = section->start;
6416 unsigned char *end = start + section->size;
6418 introduce (section, FALSE);
6420 /* It does not matter if this load fails,
6421 we test for that later on. */
6422 load_debug_info (file);
6426 unsigned char *hdrptr;
6427 DWARF2_Internal_ARange arange;
6428 unsigned char *addr_ranges;
6431 unsigned long sec_off;
6432 unsigned char address_size;
6434 unsigned int offset_size;
6435 unsigned int initial_length_size;
6439 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end);
6440 if (arange.ar_length == 0xffffffff)
6442 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end);
6444 initial_length_size = 12;
6449 initial_length_size = 4;
6452 sec_off = hdrptr - section->start;
6453 if (sec_off + arange.ar_length < sec_off
6454 || sec_off + arange.ar_length > section->size)
6456 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
6458 sec_off - initial_length_size,
6459 dwarf_vmatoa ("x", arange.ar_length));
6463 SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end);
6464 SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end);
6466 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
6467 && num_debug_info_entries > 0
6468 && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
6469 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
6470 (unsigned long) arange.ar_info_offset, section->name);
6472 SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end);
6473 SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end);
6475 if (arange.ar_version != 2 && arange.ar_version != 3)
6477 /* PR 19872: A version number of 0 probably means that there is
6478 padding at the end of the .debug_aranges section. Gold puts
6479 it there when performing an incremental link, for example.
6480 So do not generate a warning in this case. */
6481 if (arange.ar_version)
6482 warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
6486 printf (_(" Length: %ld\n"),
6487 (long) arange.ar_length);
6488 printf (_(" Version: %d\n"), arange.ar_version);
6489 printf (_(" Offset into .debug_info: 0x%lx\n"),
6490 (unsigned long) arange.ar_info_offset);
6491 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
6492 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
6494 address_size = arange.ar_pointer_size + arange.ar_segment_size;
6496 /* PR 17512: file: 001-108546-0.001:0.1. */
6497 if (address_size == 0 || address_size > 8)
6499 error (_("Invalid address size in %s section!\n"),
6504 /* The DWARF spec does not require that the address size be a power
6505 of two, but we do. This will have to change if we ever encounter
6506 an uneven architecture. */
6507 if ((address_size & (address_size - 1)) != 0)
6509 warn (_("Pointer size + Segment size is not a power of two.\n"));
6513 if (address_size > 4)
6514 printf (_("\n Address Length\n"));
6516 printf (_("\n Address Length\n"));
6518 addr_ranges = hdrptr;
6520 /* Must pad to an alignment boundary that is twice the address size. */
6521 excess = (hdrptr - start) % (2 * address_size);
6523 addr_ranges += (2 * address_size) - excess;
6525 start += arange.ar_length + initial_length_size;
6527 while (addr_ranges + 2 * address_size <= start)
6529 SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end);
6530 SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end);
6533 print_dwarf_vma (address, address_size);
6534 print_dwarf_vma (length, address_size);
6544 /* Comparison function for qsort. */
6546 comp_addr_base (const void * v0, const void * v1)
6548 debug_info * info0 = (debug_info *) v0;
6549 debug_info * info1 = (debug_info *) v1;
6550 return info0->addr_base - info1->addr_base;
6553 /* Display the debug_addr section. */
6555 display_debug_addr (struct dwarf_section *section,
6558 debug_info **debug_addr_info;
6559 unsigned char *entry;
6564 if (section->size == 0)
6566 printf (_("\nThe %s section is empty.\n"), section->name);
6570 if (load_debug_info (file) == 0)
6572 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6577 introduce (section, FALSE);
6579 /* PR 17531: file: cf38d01b.
6580 We use xcalloc because a corrupt file may not have initialised all of the
6581 fields in the debug_info structure, which means that the sort below might
6582 try to move uninitialised data. */
6583 debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1),
6584 sizeof (debug_info *));
6587 for (i = 0; i < num_debug_info_entries; i++)
6588 if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
6590 /* PR 17531: file: cf38d01b. */
6591 if (debug_information[i].addr_base >= section->size)
6592 warn (_("Corrupt address base (%lx) found in debug section %u\n"),
6593 (unsigned long) debug_information[i].addr_base, i);
6595 debug_addr_info [count++] = debug_information + i;
6598 /* Add a sentinel to make iteration convenient. */
6599 debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
6600 debug_addr_info [count]->addr_base = section->size;
6601 qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
6603 for (i = 0; i < count; i++)
6606 unsigned int address_size = debug_addr_info [i]->pointer_size;
6608 printf (_(" For compilation unit at offset 0x%s:\n"),
6609 dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
6611 printf (_("\tIndex\tAddress\n"));
6612 entry = section->start + debug_addr_info [i]->addr_base;
6613 end = section->start + debug_addr_info [i + 1]->addr_base;
6617 dwarf_vma base = byte_get (entry, address_size);
6618 printf (_("\t%d:\t"), idx);
6619 print_dwarf_vma (base, address_size);
6621 entry += address_size;
6627 free (debug_addr_info);
6631 /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
6634 display_debug_str_offsets (struct dwarf_section *section,
6635 void *file ATTRIBUTE_UNUSED)
6637 if (section->size == 0)
6639 printf (_("\nThe %s section is empty.\n"), section->name);
6642 /* TODO: Dump the contents. This is made somewhat difficult by not knowing
6643 what the offset size is for this section. */
6647 /* Each debug_information[x].range_lists[y] gets this representation for
6648 sorting purposes. */
6652 /* The debug_information[x].range_lists[y] value. */
6653 dwarf_vma ranges_offset;
6655 /* Original debug_information to find parameters of the data. */
6656 debug_info *debug_info_p;
6659 /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
6662 range_entry_compar (const void *ap, const void *bp)
6664 const struct range_entry *a_re = (const struct range_entry *) ap;
6665 const struct range_entry *b_re = (const struct range_entry *) bp;
6666 const dwarf_vma a = a_re->ranges_offset;
6667 const dwarf_vma b = b_re->ranges_offset;
6669 return (a > b) - (b > a);
6673 display_debug_ranges_list (unsigned char *start, unsigned char *finish,
6674 unsigned int pointer_size, unsigned long offset,
6675 unsigned long base_address)
6677 while (start < finish)
6682 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6683 if (start >= finish)
6685 SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6688 printf (" %8.8lx ", offset);
6690 if (begin == 0 && end == 0)
6692 printf (_("<End of list>\n"));
6696 /* Check base address specifiers. */
6697 if (is_max_address (begin, pointer_size)
6698 && !is_max_address (end, pointer_size))
6701 print_dwarf_vma (begin, pointer_size);
6702 print_dwarf_vma (end, pointer_size);
6703 printf ("(base address)\n");
6707 print_dwarf_vma (begin + base_address, pointer_size);
6708 print_dwarf_vma (end + base_address, pointer_size);
6711 fputs (_("(start == end)"), stdout);
6712 else if (begin > end)
6713 fputs (_("(start > end)"), stdout);
6720 display_debug_rnglists_list (unsigned char *start, unsigned char *finish,
6721 unsigned int pointer_size, unsigned long offset,
6722 unsigned long base_address)
6724 unsigned char *next = start;
6728 unsigned long off = offset + (start - next);
6729 enum dwarf_range_list_entry rlet;
6730 /* Initialize it due to a false compiler warning. */
6731 dwarf_vma begin = -1, length, end = -1;
6732 unsigned int bytes_read;
6734 if (start + 1 > finish)
6736 warn (_("Range list starting at offset 0x%lx is not terminated.\n"),
6741 printf (" %8.8lx ", off);
6743 SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish);
6747 case DW_RLE_end_of_list:
6748 printf (_("<End of list>\n"));
6750 case DW_RLE_base_address:
6751 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish);
6752 print_dwarf_vma (base_address, pointer_size);
6753 printf (_("(base address)\n"));
6755 case DW_RLE_start_length:
6756 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6757 length = read_uleb128 (start, &bytes_read, finish);
6758 start += bytes_read;
6759 end = begin + length;
6761 case DW_RLE_offset_pair:
6762 begin = read_uleb128 (start, &bytes_read, finish);
6763 start += bytes_read;
6764 end = read_uleb128 (start, &bytes_read, finish);
6765 start += bytes_read;
6767 case DW_RLE_start_end:
6768 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6769 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6772 error (_("Invalid range list entry type %d\n"), rlet);
6773 rlet = DW_RLE_end_of_list;
6776 if (rlet == DW_RLE_end_of_list)
6778 if (rlet == DW_RLE_base_address)
6781 print_dwarf_vma (begin + base_address, pointer_size);
6782 print_dwarf_vma (end + base_address, pointer_size);
6785 fputs (_("(start == end)"), stdout);
6786 else if (begin > end)
6787 fputs (_("(start > end)"), stdout);
6794 display_debug_ranges (struct dwarf_section *section,
6795 void *file ATTRIBUTE_UNUSED)
6797 unsigned char *start = section->start;
6798 unsigned char *last_start = start;
6799 unsigned long bytes = section->size;
6800 unsigned char *section_begin = start;
6801 unsigned char *finish = start + bytes;
6802 unsigned int num_range_list, i;
6803 struct range_entry *range_entries, *range_entry_fill;
6804 int is_rnglists = strstr (section->name, "debug_rnglists") != NULL;
6805 /* Initialize it due to a false compiler warning. */
6806 unsigned char address_size = 0;
6810 printf (_("\nThe %s section is empty.\n"), section->name);
6816 dwarf_vma initial_length;
6817 unsigned int initial_length_size;
6818 unsigned char segment_selector_size;
6819 unsigned int offset_size, offset_entry_count;
6820 unsigned short version;
6822 /* Get and check the length of the block. */
6823 SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish);
6825 if (initial_length == 0xffffffff)
6827 /* This section is 64-bit DWARF 3. */
6828 SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish);
6830 initial_length_size = 12;
6835 initial_length_size = 4;
6838 if (initial_length + initial_length_size > section->size)
6840 /* If the length field has a relocation against it, then we should
6841 not complain if it is inaccurate (and probably negative).
6842 It is copied from .debug_line handling code. */
6843 if (reloc_at (section, (start - section->start) - offset_size))
6845 initial_length = (finish - start) - initial_length_size;
6849 warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"),
6850 (long) initial_length);
6855 /* Get and check the version number. */
6856 SAFE_BYTE_GET_AND_INC (version, start, 2, finish);
6860 warn (_("Only DWARF version 5 debug_rnglists info "
6861 "is currently supported.\n"));
6865 SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish);
6867 SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish);
6868 if (segment_selector_size != 0)
6870 warn (_("The %s section contains "
6871 "unsupported segment selector size: %d.\n"),
6872 section->name, segment_selector_size);
6876 SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish);
6877 if (offset_entry_count != 0)
6879 warn (_("The %s section contains "
6880 "unsupported offset entry count: %u.\n"),
6881 section->name, offset_entry_count);
6886 if (load_debug_info (file) == 0)
6888 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6894 for (i = 0; i < num_debug_info_entries; i++)
6895 num_range_list += debug_information [i].num_range_lists;
6897 if (num_range_list == 0)
6899 /* This can happen when the file was compiled with -gsplit-debug
6900 which removes references to range lists from the primary .o file. */
6901 printf (_("No range lists in .debug_info section.\n"));
6905 range_entries = (struct range_entry *)
6906 xmalloc (sizeof (*range_entries) * num_range_list);
6907 range_entry_fill = range_entries;
6909 for (i = 0; i < num_debug_info_entries; i++)
6911 debug_info *debug_info_p = &debug_information[i];
6914 for (j = 0; j < debug_info_p->num_range_lists; j++)
6916 range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
6917 range_entry_fill->debug_info_p = debug_info_p;
6922 qsort (range_entries, num_range_list, sizeof (*range_entries),
6923 range_entry_compar);
6925 if (dwarf_check != 0 && range_entries[0].ranges_offset != 0)
6926 warn (_("Range lists in %s section start at 0x%lx\n"),
6927 section->name, (unsigned long) range_entries[0].ranges_offset);
6929 introduce (section, FALSE);
6931 printf (_(" Offset Begin End\n"));
6933 for (i = 0; i < num_range_list; i++)
6935 struct range_entry *range_entry = &range_entries[i];
6936 debug_info *debug_info_p = range_entry->debug_info_p;
6937 unsigned int pointer_size;
6939 unsigned char *next;
6940 dwarf_vma base_address;
6942 pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size);
6943 offset = range_entry->ranges_offset;
6944 next = section_begin + offset;
6945 base_address = debug_info_p->base_address;
6947 /* PR 17512: file: 001-101485-0.001:0.1. */
6948 if (pointer_size < 2 || pointer_size > 8)
6950 warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"),
6951 pointer_size, (unsigned long) offset);
6955 if (next < section_begin || next >= finish)
6957 warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"),
6958 (unsigned long) offset, i);
6962 if (dwarf_check != 0 && i > 0)
6965 warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
6966 (unsigned long) (start - section_begin),
6967 (unsigned long) (next - section_begin), section->name);
6968 else if (start > next)
6970 if (next == last_start)
6972 warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
6973 (unsigned long) (start - section_begin),
6974 (unsigned long) (next - section_begin), section->name);
6981 (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list)
6982 (start, finish, pointer_size, offset, base_address);
6986 free (range_entries);
6991 typedef struct Frame_Chunk
6993 struct Frame_Chunk *next;
6994 unsigned char *chunk_start;
6996 /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
6997 short int *col_type;
7000 unsigned int code_factor;
7004 unsigned int cfa_reg;
7005 dwarf_vma cfa_offset;
7007 unsigned char fde_encoding;
7008 unsigned char cfa_exp;
7009 unsigned char ptr_size;
7010 unsigned char segment_size;
7014 static const char *const *dwarf_regnames;
7015 static unsigned int dwarf_regnames_count;
7017 /* A marker for a col_type that means this column was never referenced
7018 in the frame info. */
7019 #define DW_CFA_unreferenced (-1)
7021 /* Return 0 if no more space is needed, 1 if more space is needed,
7022 -1 for invalid reg. */
7025 frame_need_space (Frame_Chunk *fc, unsigned int reg)
7027 unsigned int prev = fc->ncols;
7029 if (reg < (unsigned int) fc->ncols)
7032 if (dwarf_regnames_count
7033 && reg > dwarf_regnames_count)
7036 fc->ncols = reg + 1;
7037 /* PR 17512: file: 10450-2643-0.004.
7038 If reg == -1 then this can happen... */
7042 /* PR 17512: file: 2844a11d. */
7043 if (fc->ncols > 1024)
7045 error (_("Unfeasibly large register number: %u\n"), reg);
7047 /* FIXME: 1024 is an arbitrary limit. Increase it if
7048 we ever encounter a valid binary that exceeds it. */
7052 fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
7053 sizeof (short int));
7054 fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
7055 /* PR 17512: file:002-10025-0.005. */
7056 if (fc->col_type == NULL || fc->col_offset == NULL)
7058 error (_("Out of memory allocating %u columns in dwarf frame arrays\n"),
7064 while (prev < fc->ncols)
7066 fc->col_type[prev] = DW_CFA_unreferenced;
7067 fc->col_offset[prev] = 0;
7073 static const char *const dwarf_regnames_i386[] =
7075 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7076 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7077 "eip", "eflags", NULL, /* 8 - 10 */
7078 "st0", "st1", "st2", "st3", /* 11 - 14 */
7079 "st4", "st5", "st6", "st7", /* 15 - 18 */
7080 NULL, NULL, /* 19 - 20 */
7081 "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */
7082 "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */
7083 "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */
7084 "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */
7085 "fcw", "fsw", "mxcsr", /* 37 - 39 */
7086 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7087 "tr", "ldtr", /* 48 - 49 */
7088 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7089 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7090 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7091 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7092 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7093 NULL, NULL, NULL, /* 90 - 92 */
7094 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */
7097 static const char *const dwarf_regnames_iamcu[] =
7099 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7100 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7101 "eip", "eflags", NULL, /* 8 - 10 */
7102 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */
7103 NULL, NULL, /* 19 - 20 */
7104 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */
7105 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */
7106 NULL, NULL, NULL, /* 37 - 39 */
7107 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7108 "tr", "ldtr", /* 48 - 49 */
7109 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7110 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7111 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7112 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7113 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7114 NULL, NULL, NULL, /* 90 - 92 */
7115 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */
7119 init_dwarf_regnames_i386 (void)
7121 dwarf_regnames = dwarf_regnames_i386;
7122 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
7126 init_dwarf_regnames_iamcu (void)
7128 dwarf_regnames = dwarf_regnames_iamcu;
7129 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu);
7132 static const char *const dwarf_regnames_x86_64[] =
7134 "rax", "rdx", "rcx", "rbx",
7135 "rsi", "rdi", "rbp", "rsp",
7136 "r8", "r9", "r10", "r11",
7137 "r12", "r13", "r14", "r15",
7139 "xmm0", "xmm1", "xmm2", "xmm3",
7140 "xmm4", "xmm5", "xmm6", "xmm7",
7141 "xmm8", "xmm9", "xmm10", "xmm11",
7142 "xmm12", "xmm13", "xmm14", "xmm15",
7143 "st0", "st1", "st2", "st3",
7144 "st4", "st5", "st6", "st7",
7145 "mm0", "mm1", "mm2", "mm3",
7146 "mm4", "mm5", "mm6", "mm7",
7148 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
7149 "fs.base", "gs.base", NULL, NULL,
7151 "mxcsr", "fcw", "fsw",
7152 "xmm16", "xmm17", "xmm18", "xmm19",
7153 "xmm20", "xmm21", "xmm22", "xmm23",
7154 "xmm24", "xmm25", "xmm26", "xmm27",
7155 "xmm28", "xmm29", "xmm30", "xmm31",
7156 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */
7157 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */
7158 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */
7159 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */
7160 NULL, NULL, NULL, /* 115 - 117 */
7161 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"
7165 init_dwarf_regnames_x86_64 (void)
7167 dwarf_regnames = dwarf_regnames_x86_64;
7168 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
7171 static const char *const dwarf_regnames_aarch64[] =
7173 "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
7174 "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
7175 "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
7176 "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp",
7177 NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL,
7178 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7179 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7180 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7181 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
7182 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
7183 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
7184 "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
7188 init_dwarf_regnames_aarch64 (void)
7190 dwarf_regnames = dwarf_regnames_aarch64;
7191 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64);
7194 static const char *const dwarf_regnames_s390[] =
7196 /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */
7197 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7198 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7199 "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
7200 "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
7201 "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
7202 "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15",
7203 "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
7204 "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
7207 "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
7208 "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31",
7212 init_dwarf_regnames_s390 (void)
7214 dwarf_regnames = dwarf_regnames_s390;
7215 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390);
7218 static const char *const dwarf_regnames_riscv[] =
7220 "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */
7221 "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */
7222 "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */
7223 "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */
7224 "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */
7225 "fs0", "fs1", /* 40 - 41 */
7226 "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */
7227 "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */
7228 "fs10", "fs11", /* 58 - 59 */
7229 "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */
7233 init_dwarf_regnames_riscv (void)
7235 dwarf_regnames = dwarf_regnames_riscv;
7236 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_riscv);
7240 init_dwarf_regnames (unsigned int e_machine)
7245 init_dwarf_regnames_i386 ();
7249 init_dwarf_regnames_iamcu ();
7255 init_dwarf_regnames_x86_64 ();
7259 init_dwarf_regnames_aarch64 ();
7263 init_dwarf_regnames_s390 ();
7267 init_dwarf_regnames_riscv ();
7276 regname (unsigned int regno, int row)
7278 static char reg[64];
7281 && regno < dwarf_regnames_count
7282 && dwarf_regnames [regno] != NULL)
7285 return dwarf_regnames [regno];
7286 snprintf (reg, sizeof (reg), "r%d (%s)", regno,
7287 dwarf_regnames [regno]);
7290 snprintf (reg, sizeof (reg), "r%d", regno);
7295 frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs)
7300 if (*max_regs != fc->ncols)
7301 *max_regs = fc->ncols;
7303 if (*need_col_headers)
7305 static const char *sloc = " LOC";
7307 *need_col_headers = 0;
7309 printf ("%-*s CFA ", eh_addr_size * 2, sloc);
7311 for (r = 0; r < *max_regs; r++)
7312 if (fc->col_type[r] != DW_CFA_unreferenced)
7317 printf ("%-5s ", regname (r, 1));
7323 print_dwarf_vma (fc->pc_begin, eh_addr_size);
7325 strcpy (tmp, "exp");
7327 sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset);
7328 printf ("%-8s ", tmp);
7330 for (r = 0; r < fc->ncols; r++)
7332 if (fc->col_type[r] != DW_CFA_unreferenced)
7334 switch (fc->col_type[r])
7336 case DW_CFA_undefined:
7339 case DW_CFA_same_value:
7343 sprintf (tmp, "c%+d", fc->col_offset[r]);
7345 case DW_CFA_val_offset:
7346 sprintf (tmp, "v%+d", fc->col_offset[r]);
7348 case DW_CFA_register:
7349 sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
7351 case DW_CFA_expression:
7352 strcpy (tmp, "exp");
7354 case DW_CFA_val_expression:
7355 strcpy (tmp, "vexp");
7358 strcpy (tmp, "n/a");
7361 printf ("%-5s ", tmp);
7367 #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end)
7369 static unsigned char *
7370 read_cie (unsigned char *start, unsigned char *end,
7371 Frame_Chunk **p_cie, int *p_version,
7372 bfd_size_type *p_aug_len, unsigned char **p_aug)
7376 unsigned int length_return;
7377 unsigned char *augmentation_data = NULL;
7378 bfd_size_type augmentation_data_len = 0;
7381 /* PR 17512: file: 001-228113-0.004. */
7385 fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
7386 memset (fc, 0, sizeof (Frame_Chunk));
7388 fc->col_type = (short int *) xmalloc (sizeof (short int));
7389 fc->col_offset = (int *) xmalloc (sizeof (int));
7393 fc->augmentation = (char *) start;
7394 /* PR 17512: file: 001-228113-0.004.
7395 Skip past augmentation name, but avoid running off the end of the data. */
7397 if (* start ++ == '\0')
7401 warn (_("No terminator for augmentation name\n"));
7405 if (strcmp (fc->augmentation, "eh") == 0)
7406 start += eh_addr_size;
7410 GET (fc->ptr_size, 1);
7411 if (fc->ptr_size < 1 || fc->ptr_size > 8)
7413 warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size);
7417 GET (fc->segment_size, 1);
7418 /* PR 17512: file: e99d2804. */
7419 if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8)
7421 warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size);
7425 eh_addr_size = fc->ptr_size;
7429 fc->ptr_size = eh_addr_size;
7430 fc->segment_size = 0;
7433 READ_ULEB (fc->code_factor);
7434 READ_SLEB (fc->data_factor);
7445 if (fc->augmentation[0] == 'z')
7447 READ_ULEB (augmentation_data_len);
7448 augmentation_data = start;
7449 /* PR 17512: file: 11042-2589-0.004. */
7450 if (augmentation_data_len > (bfd_size_type) (end - start))
7452 warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"),
7453 dwarf_vmatoa ("x", augmentation_data_len),
7454 (unsigned long) (end - start));
7457 start += augmentation_data_len;
7460 if (augmentation_data_len)
7464 unsigned char *qend;
7466 p = (unsigned char *) fc->augmentation + 1;
7467 q = augmentation_data;
7468 qend = q + augmentation_data_len;
7470 while (p < end && q < qend)
7475 q += 1 + size_of_encoded_value (*q);
7477 fc->fde_encoding = *q++;
7486 /* Note - it is OK if this loop terminates with q < qend.
7487 Padding may have been inserted to align the end of the CIE. */
7492 *p_version = version;
7495 *p_aug_len = augmentation_data_len;
7496 *p_aug = augmentation_data;
7501 free (fc->col_offset);
7502 free (fc->col_type);
7507 /* Prints out the contents on the DATA array formatted as unsigned bytes.
7508 If do_wide is not enabled, then formats the output to fit into 80 columns.
7509 PRINTED contains the number of characters already written to the current
7513 display_data (bfd_size_type printed,
7514 const unsigned char * data,
7515 const bfd_size_type len)
7517 if (do_wide || len < ((80 - printed) / 3))
7518 for (printed = 0; printed < len; ++printed)
7519 printf (" %02x", data[printed]);
7522 for (printed = 0; printed < len; ++printed)
7524 if (printed % (80 / 3) == 0)
7526 printf (" %02x", data[printed]);
7531 /* Prints out the contents on the augmentation data array.
7532 If do_wide is not enabled, then formats the output to fit into 80 columns. */
7535 display_augmentation_data (const unsigned char * data, const bfd_size_type len)
7539 i = printf (_(" Augmentation data: "));
7540 display_data (i, data, len);
7544 display_debug_frames (struct dwarf_section *section,
7545 void *file ATTRIBUTE_UNUSED)
7547 unsigned char *start = section->start;
7548 unsigned char *end = start + section->size;
7549 unsigned char *section_start = start;
7550 Frame_Chunk *chunks = NULL, *forward_refs = NULL;
7551 Frame_Chunk *remembered_state = NULL;
7553 bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0;
7554 unsigned int length_return;
7555 unsigned int max_regs = 0;
7556 const char *bad_reg = _("bad register: ");
7557 unsigned int saved_eh_addr_size = eh_addr_size;
7559 introduce (section, FALSE);
7563 unsigned char *saved_start;
7564 unsigned char *block_end;
7569 int need_col_headers = 1;
7570 unsigned char *augmentation_data = NULL;
7571 bfd_size_type augmentation_data_len = 0;
7572 unsigned int encoded_ptr_size = saved_eh_addr_size;
7573 unsigned int offset_size;
7574 unsigned int initial_length_size;
7575 bfd_boolean all_nops;
7577 saved_start = start;
7579 SAFE_BYTE_GET_AND_INC (length, start, 4, end);
7583 printf ("\n%08lx ZERO terminator\n\n",
7584 (unsigned long)(saved_start - section_start));
7585 /* Skip any zero terminators that directly follow.
7586 A corrupt section size could have loaded a whole
7587 slew of zero filled memory bytes. eg
7588 PR 17512: file: 070-19381-0.004. */
7589 while (start < end && * start == 0)
7594 if (length == 0xffffffff)
7596 SAFE_BYTE_GET_AND_INC (length, start, 8, end);
7598 initial_length_size = 12;
7603 initial_length_size = 4;
7606 block_end = saved_start + length + initial_length_size;
7607 if (block_end > end || block_end < start)
7609 warn ("Invalid length 0x%s in FDE at %#08lx\n",
7610 dwarf_vmatoa_1 (NULL, length, offset_size),
7611 (unsigned long) (saved_start - section_start));
7615 SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end);
7617 if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID)
7618 || (offset_size == 8 && cie_id == DW64_CIE_ID)))
7623 start = read_cie (start, end, &cie, &version,
7624 &augmentation_data_len, &augmentation_data);
7625 /* PR 17512: file: 027-135133-0.005. */
7632 fc->chunk_start = saved_start;
7633 mreg = max_regs > 0 ? max_regs - 1 : 0;
7636 if (frame_need_space (fc, mreg) < 0)
7638 if (fc->fde_encoding)
7639 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
7641 printf ("\n%08lx ", (unsigned long) (saved_start - section_start));
7642 print_dwarf_vma (length, fc->ptr_size);
7643 print_dwarf_vma (cie_id, offset_size);
7645 if (do_debug_frames_interp)
7647 printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation,
7648 fc->code_factor, fc->data_factor, fc->ra);
7653 printf (" Version: %d\n", version);
7654 printf (" Augmentation: \"%s\"\n", fc->augmentation);
7657 printf (" Pointer Size: %u\n", fc->ptr_size);
7658 printf (" Segment Size: %u\n", fc->segment_size);
7660 printf (" Code alignment factor: %u\n", fc->code_factor);
7661 printf (" Data alignment factor: %d\n", fc->data_factor);
7662 printf (" Return address column: %d\n", fc->ra);
7664 if (augmentation_data_len)
7665 display_augmentation_data (augmentation_data, augmentation_data_len);
7672 unsigned char *look_for;
7673 static Frame_Chunk fde_fc;
7674 unsigned long segment_selector;
7678 dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1);
7679 look_for = start - 4 - ((cie_id ^ sign) - sign);
7682 look_for = section_start + cie_id;
7684 if (look_for <= saved_start)
7686 for (cie = chunks; cie ; cie = cie->next)
7687 if (cie->chunk_start == look_for)
7692 for (cie = forward_refs; cie ; cie = cie->next)
7693 if (cie->chunk_start == look_for)
7697 unsigned int off_size;
7698 unsigned char *cie_scan;
7700 cie_scan = look_for;
7702 SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end);
7703 if (length == 0xffffffff)
7705 SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end);
7712 SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end);
7715 : ((off_size == 4 && c_id == DW_CIE_ID)
7716 || (off_size == 8 && c_id == DW64_CIE_ID)))
7721 read_cie (cie_scan, end, &cie, &version,
7722 &augmentation_data_len, &augmentation_data);
7723 /* PR 17512: file: 3450-2098-0.004. */
7726 warn (_("Failed to read CIE information\n"));
7729 cie->next = forward_refs;
7731 cie->chunk_start = look_for;
7732 mreg = max_regs > 0 ? max_regs - 1 : 0;
7735 if (frame_need_space (cie, mreg) < 0)
7737 warn (_("Invalid max register\n"));
7740 if (cie->fde_encoding)
7742 = size_of_encoded_value (cie->fde_encoding);
7749 memset (fc, 0, sizeof (Frame_Chunk));
7753 warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n",
7754 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
7755 (unsigned long) (saved_start - section_start));
7757 fc->col_type = (short int *) xmalloc (sizeof (short int));
7758 fc->col_offset = (int *) xmalloc (sizeof (int));
7759 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0)
7761 warn (_("Invalid max register\n"));
7765 fc->augmentation = "";
7766 fc->fde_encoding = 0;
7767 fc->ptr_size = eh_addr_size;
7768 fc->segment_size = 0;
7772 fc->ncols = cie->ncols;
7773 fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
7774 fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
7775 memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
7776 memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
7777 fc->augmentation = cie->augmentation;
7778 fc->ptr_size = cie->ptr_size;
7779 eh_addr_size = cie->ptr_size;
7780 fc->segment_size = cie->segment_size;
7781 fc->code_factor = cie->code_factor;
7782 fc->data_factor = cie->data_factor;
7783 fc->cfa_reg = cie->cfa_reg;
7784 fc->cfa_offset = cie->cfa_offset;
7786 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0)
7788 warn (_("Invalid max register\n"));
7791 fc->fde_encoding = cie->fde_encoding;
7794 if (fc->fde_encoding)
7795 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
7797 segment_selector = 0;
7798 if (fc->segment_size)
7800 if (fc->segment_size > sizeof (segment_selector))
7802 /* PR 17512: file: 9e196b3e. */
7803 warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size);
7804 fc->segment_size = 4;
7806 SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end);
7809 fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end);
7811 /* FIXME: It appears that sometimes the final pc_range value is
7812 encoded in less than encoded_ptr_size bytes. See the x86_64
7813 run of the "objcopy on compressed debug sections" test for an
7815 SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end);
7817 if (cie->augmentation[0] == 'z')
7819 READ_ULEB (augmentation_data_len);
7820 augmentation_data = start;
7821 start += augmentation_data_len;
7822 /* PR 17512 file: 722-8446-0.004 and PR 22386. */
7824 || ((bfd_signed_vma) augmentation_data_len) < 0
7825 || augmentation_data > start)
7827 warn (_("Corrupt augmentation data length: 0x%s\n"),
7828 dwarf_vmatoa ("x", augmentation_data_len));
7830 augmentation_data = NULL;
7831 augmentation_data_len = 0;
7835 printf ("\n%08lx %s %s FDE cie=%08lx pc=",
7836 (unsigned long)(saved_start - section_start),
7837 dwarf_vmatoa_1 (NULL, length, fc->ptr_size),
7838 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
7839 (unsigned long)(cie->chunk_start - section_start));
7841 if (fc->segment_size)
7842 printf ("%04lx:", segment_selector);
7845 dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size),
7846 dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size));
7848 if (! do_debug_frames_interp && augmentation_data_len)
7850 display_augmentation_data (augmentation_data, augmentation_data_len);
7855 /* At this point, fc is the current chunk, cie (if any) is set, and
7856 we're about to interpret instructions for the chunk. */
7857 /* ??? At present we need to do this always, since this sizes the
7858 fc->col_type and fc->col_offset arrays, which we write into always.
7859 We should probably split the interpreted and non-interpreted bits
7860 into two different routines, since there's so much that doesn't
7861 really overlap between them. */
7862 if (1 || do_debug_frames_interp)
7864 /* Start by making a pass over the chunk, allocating storage
7865 and taking note of what registers are used. */
7866 unsigned char *tmp = start;
7868 while (start < block_end)
7870 unsigned int reg, op, opa;
7872 unsigned char * new_start;
7879 /* Warning: if you add any more cases to this switch, be
7880 sure to add them to the corresponding switch below. */
7883 case DW_CFA_advance_loc:
7887 if (frame_need_space (fc, opa) >= 0)
7888 fc->col_type[opa] = DW_CFA_undefined;
7890 case DW_CFA_restore:
7891 if (frame_need_space (fc, opa) >= 0)
7892 fc->col_type[opa] = DW_CFA_undefined;
7894 case DW_CFA_set_loc:
7895 start += encoded_ptr_size;
7897 case DW_CFA_advance_loc1:
7900 case DW_CFA_advance_loc2:
7903 case DW_CFA_advance_loc4:
7906 case DW_CFA_offset_extended:
7907 case DW_CFA_val_offset:
7910 if (frame_need_space (fc, reg) >= 0)
7911 fc->col_type[reg] = DW_CFA_undefined;
7913 case DW_CFA_restore_extended:
7915 if (frame_need_space (fc, reg) >= 0)
7916 fc->col_type[reg] = DW_CFA_undefined;
7918 case DW_CFA_undefined:
7920 if (frame_need_space (fc, reg) >= 0)
7921 fc->col_type[reg] = DW_CFA_undefined;
7923 case DW_CFA_same_value:
7925 if (frame_need_space (fc, reg) >= 0)
7926 fc->col_type[reg] = DW_CFA_undefined;
7928 case DW_CFA_register:
7931 if (frame_need_space (fc, reg) >= 0)
7932 fc->col_type[reg] = DW_CFA_undefined;
7934 case DW_CFA_def_cfa:
7938 case DW_CFA_def_cfa_register:
7941 case DW_CFA_def_cfa_offset:
7944 case DW_CFA_def_cfa_expression:
7946 new_start = start + temp;
7947 if (new_start < start)
7949 warn (_("Corrupt CFA_def expression value: %lu\n"), temp);
7955 case DW_CFA_expression:
7956 case DW_CFA_val_expression:
7959 new_start = start + temp;
7960 if (new_start < start)
7962 /* PR 17512: file:306-192417-0.005. */
7963 warn (_("Corrupt CFA expression value: %lu\n"), temp);
7968 if (frame_need_space (fc, reg) >= 0)
7969 fc->col_type[reg] = DW_CFA_undefined;
7971 case DW_CFA_offset_extended_sf:
7972 case DW_CFA_val_offset_sf:
7975 if (frame_need_space (fc, reg) >= 0)
7976 fc->col_type[reg] = DW_CFA_undefined;
7978 case DW_CFA_def_cfa_sf:
7982 case DW_CFA_def_cfa_offset_sf:
7985 case DW_CFA_MIPS_advance_loc8:
7988 case DW_CFA_GNU_args_size:
7991 case DW_CFA_GNU_negative_offset_extended:
7994 if (frame_need_space (fc, reg) >= 0)
7995 fc->col_type[reg] = DW_CFA_undefined;
8006 /* Now we know what registers are used, make a second pass over
8007 the chunk, this time actually printing out the info. */
8009 while (start < block_end)
8011 unsigned char * tmp;
8013 unsigned long ul, roffs;
8014 /* Note: It is tempting to use an unsigned long for 'reg' but there
8015 are various functions, notably frame_space_needed() that assume that
8016 reg is an unsigned int. */
8021 const char *reg_prefix = "";
8028 /* Make a note if something other than DW_CFA_nop happens. */
8029 if (op != DW_CFA_nop)
8032 /* Warning: if you add any more cases to this switch, be
8033 sure to add them to the corresponding switch above. */
8036 case DW_CFA_advance_loc:
8037 if (do_debug_frames_interp)
8038 frame_display_row (fc, &need_col_headers, &max_regs);
8040 printf (" DW_CFA_advance_loc: %d to %s\n",
8041 opa * fc->code_factor,
8042 dwarf_vmatoa_1 (NULL,
8043 fc->pc_begin + opa * fc->code_factor,
8045 fc->pc_begin += opa * fc->code_factor;
8050 if (opa >= (unsigned int) fc->ncols)
8051 reg_prefix = bad_reg;
8052 if (! do_debug_frames_interp || *reg_prefix != '\0')
8053 printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
8054 reg_prefix, regname (opa, 0),
8055 roffs * fc->data_factor);
8056 if (*reg_prefix == '\0')
8058 fc->col_type[opa] = DW_CFA_offset;
8059 fc->col_offset[opa] = roffs * fc->data_factor;
8063 case DW_CFA_restore:
8064 if (opa >= (unsigned int) fc->ncols)
8065 reg_prefix = bad_reg;
8066 if (! do_debug_frames_interp || *reg_prefix != '\0')
8067 printf (" DW_CFA_restore: %s%s\n",
8068 reg_prefix, regname (opa, 0));
8069 if (*reg_prefix != '\0')
8072 if (opa >= (unsigned int) cie->ncols
8073 || (do_debug_frames_interp
8074 && cie->col_type[opa] == DW_CFA_unreferenced))
8076 fc->col_type[opa] = DW_CFA_undefined;
8077 fc->col_offset[opa] = 0;
8081 fc->col_type[opa] = cie->col_type[opa];
8082 fc->col_offset[opa] = cie->col_offset[opa];
8086 case DW_CFA_set_loc:
8087 vma = get_encoded_value (&start, fc->fde_encoding, section, block_end);
8088 if (do_debug_frames_interp)
8089 frame_display_row (fc, &need_col_headers, &max_regs);
8091 printf (" DW_CFA_set_loc: %s\n",
8092 dwarf_vmatoa_1 (NULL, vma, fc->ptr_size));
8096 case DW_CFA_advance_loc1:
8097 SAFE_BYTE_GET_AND_INC (ofs, start, 1, end);
8098 if (do_debug_frames_interp)
8099 frame_display_row (fc, &need_col_headers, &max_regs);
8101 printf (" DW_CFA_advance_loc1: %ld to %s\n",
8102 (unsigned long) (ofs * fc->code_factor),
8103 dwarf_vmatoa_1 (NULL,
8104 fc->pc_begin + ofs * fc->code_factor,
8106 fc->pc_begin += ofs * fc->code_factor;
8109 case DW_CFA_advance_loc2:
8110 SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end);
8111 if (do_debug_frames_interp)
8112 frame_display_row (fc, &need_col_headers, &max_regs);
8114 printf (" DW_CFA_advance_loc2: %ld to %s\n",
8115 (unsigned long) (ofs * fc->code_factor),
8116 dwarf_vmatoa_1 (NULL,
8117 fc->pc_begin + ofs * fc->code_factor,
8119 fc->pc_begin += ofs * fc->code_factor;
8122 case DW_CFA_advance_loc4:
8123 SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end);
8124 if (do_debug_frames_interp)
8125 frame_display_row (fc, &need_col_headers, &max_regs);
8127 printf (" DW_CFA_advance_loc4: %ld to %s\n",
8128 (unsigned long) (ofs * fc->code_factor),
8129 dwarf_vmatoa_1 (NULL,
8130 fc->pc_begin + ofs * fc->code_factor,
8132 fc->pc_begin += ofs * fc->code_factor;
8135 case DW_CFA_offset_extended:
8138 if (reg >= (unsigned int) fc->ncols)
8139 reg_prefix = bad_reg;
8140 if (! do_debug_frames_interp || *reg_prefix != '\0')
8141 printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
8142 reg_prefix, regname (reg, 0),
8143 roffs * fc->data_factor);
8144 if (*reg_prefix == '\0')
8146 fc->col_type[reg] = DW_CFA_offset;
8147 fc->col_offset[reg] = roffs * fc->data_factor;
8151 case DW_CFA_val_offset:
8154 if (reg >= (unsigned int) fc->ncols)
8155 reg_prefix = bad_reg;
8156 if (! do_debug_frames_interp || *reg_prefix != '\0')
8157 printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n",
8158 reg_prefix, regname (reg, 0),
8159 roffs * fc->data_factor);
8160 if (*reg_prefix == '\0')
8162 fc->col_type[reg] = DW_CFA_val_offset;
8163 fc->col_offset[reg] = roffs * fc->data_factor;
8167 case DW_CFA_restore_extended:
8169 if (reg >= (unsigned int) fc->ncols)
8170 reg_prefix = bad_reg;
8171 if (! do_debug_frames_interp || *reg_prefix != '\0')
8172 printf (" DW_CFA_restore_extended: %s%s\n",
8173 reg_prefix, regname (reg, 0));
8174 if (*reg_prefix != '\0')
8177 if (reg >= (unsigned int) cie->ncols)
8179 fc->col_type[reg] = DW_CFA_undefined;
8180 fc->col_offset[reg] = 0;
8184 fc->col_type[reg] = cie->col_type[reg];
8185 fc->col_offset[reg] = cie->col_offset[reg];
8189 case DW_CFA_undefined:
8191 if (reg >= (unsigned int) fc->ncols)
8192 reg_prefix = bad_reg;
8193 if (! do_debug_frames_interp || *reg_prefix != '\0')
8194 printf (" DW_CFA_undefined: %s%s\n",
8195 reg_prefix, regname (reg, 0));
8196 if (*reg_prefix == '\0')
8198 fc->col_type[reg] = DW_CFA_undefined;
8199 fc->col_offset[reg] = 0;
8203 case DW_CFA_same_value:
8205 if (reg >= (unsigned int) fc->ncols)
8206 reg_prefix = bad_reg;
8207 if (! do_debug_frames_interp || *reg_prefix != '\0')
8208 printf (" DW_CFA_same_value: %s%s\n",
8209 reg_prefix, regname (reg, 0));
8210 if (*reg_prefix == '\0')
8212 fc->col_type[reg] = DW_CFA_same_value;
8213 fc->col_offset[reg] = 0;
8217 case DW_CFA_register:
8220 if (reg >= (unsigned int) fc->ncols)
8221 reg_prefix = bad_reg;
8222 if (! do_debug_frames_interp || *reg_prefix != '\0')
8224 printf (" DW_CFA_register: %s%s in ",
8225 reg_prefix, regname (reg, 0));
8226 puts (regname (roffs, 0));
8228 if (*reg_prefix == '\0')
8230 fc->col_type[reg] = DW_CFA_register;
8231 fc->col_offset[reg] = roffs;
8235 case DW_CFA_remember_state:
8236 if (! do_debug_frames_interp)
8237 printf (" DW_CFA_remember_state\n");
8238 rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
8239 rs->cfa_offset = fc->cfa_offset;
8240 rs->cfa_reg = fc->cfa_reg;
8242 rs->cfa_exp = fc->cfa_exp;
8243 rs->ncols = fc->ncols;
8244 rs->col_type = (short int *) xcmalloc (rs->ncols,
8245 sizeof (* rs->col_type));
8246 rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset));
8247 memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type));
8248 memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset));
8249 rs->next = remembered_state;
8250 remembered_state = rs;
8253 case DW_CFA_restore_state:
8254 if (! do_debug_frames_interp)
8255 printf (" DW_CFA_restore_state\n");
8256 rs = remembered_state;
8259 remembered_state = rs->next;
8260 fc->cfa_offset = rs->cfa_offset;
8261 fc->cfa_reg = rs->cfa_reg;
8263 fc->cfa_exp = rs->cfa_exp;
8264 if (frame_need_space (fc, rs->ncols - 1) < 0)
8266 warn (_("Invalid column number in saved frame state\n"));
8270 memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type));
8271 memcpy (fc->col_offset, rs->col_offset,
8272 rs->ncols * sizeof (* rs->col_offset));
8273 free (rs->col_type);
8274 free (rs->col_offset);
8277 else if (do_debug_frames_interp)
8278 printf ("Mismatched DW_CFA_restore_state\n");
8281 case DW_CFA_def_cfa:
8282 READ_ULEB (fc->cfa_reg);
8283 READ_ULEB (fc->cfa_offset);
8285 if (! do_debug_frames_interp)
8286 printf (" DW_CFA_def_cfa: %s ofs %d\n",
8287 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
8290 case DW_CFA_def_cfa_register:
8291 READ_ULEB (fc->cfa_reg);
8293 if (! do_debug_frames_interp)
8294 printf (" DW_CFA_def_cfa_register: %s\n",
8295 regname (fc->cfa_reg, 0));
8298 case DW_CFA_def_cfa_offset:
8299 READ_ULEB (fc->cfa_offset);
8300 if (! do_debug_frames_interp)
8301 printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset);
8305 if (! do_debug_frames_interp)
8306 printf (" DW_CFA_nop\n");
8309 case DW_CFA_def_cfa_expression:
8311 if (start >= block_end || ul > (unsigned long) (block_end - start))
8313 printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul);
8316 if (! do_debug_frames_interp)
8318 printf (" DW_CFA_def_cfa_expression (");
8319 decode_location_expression (start, eh_addr_size, 0, -1,
8327 case DW_CFA_expression:
8330 if (reg >= (unsigned int) fc->ncols)
8331 reg_prefix = bad_reg;
8332 /* PR 17512: file: 069-133014-0.006. */
8333 /* PR 17512: file: 98c02eb4. */
8335 if (start >= block_end || tmp > block_end || tmp < start)
8337 printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul);
8340 if (! do_debug_frames_interp || *reg_prefix != '\0')
8342 printf (" DW_CFA_expression: %s%s (",
8343 reg_prefix, regname (reg, 0));
8344 decode_location_expression (start, eh_addr_size, 0, -1,
8348 if (*reg_prefix == '\0')
8349 fc->col_type[reg] = DW_CFA_expression;
8353 case DW_CFA_val_expression:
8356 if (reg >= (unsigned int) fc->ncols)
8357 reg_prefix = bad_reg;
8359 if (start >= block_end || tmp > block_end || tmp < start)
8361 printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul);
8364 if (! do_debug_frames_interp || *reg_prefix != '\0')
8366 printf (" DW_CFA_val_expression: %s%s (",
8367 reg_prefix, regname (reg, 0));
8368 decode_location_expression (start, eh_addr_size, 0, -1,
8372 if (*reg_prefix == '\0')
8373 fc->col_type[reg] = DW_CFA_val_expression;
8377 case DW_CFA_offset_extended_sf:
8380 if (frame_need_space (fc, reg) < 0)
8381 reg_prefix = bad_reg;
8382 if (! do_debug_frames_interp || *reg_prefix != '\0')
8383 printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
8384 reg_prefix, regname (reg, 0),
8385 (long)(l * fc->data_factor));
8386 if (*reg_prefix == '\0')
8388 fc->col_type[reg] = DW_CFA_offset;
8389 fc->col_offset[reg] = l * fc->data_factor;
8393 case DW_CFA_val_offset_sf:
8396 if (frame_need_space (fc, reg) < 0)
8397 reg_prefix = bad_reg;
8398 if (! do_debug_frames_interp || *reg_prefix != '\0')
8399 printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n",
8400 reg_prefix, regname (reg, 0),
8401 (long)(l * fc->data_factor));
8402 if (*reg_prefix == '\0')
8404 fc->col_type[reg] = DW_CFA_val_offset;
8405 fc->col_offset[reg] = l * fc->data_factor;
8409 case DW_CFA_def_cfa_sf:
8410 READ_ULEB (fc->cfa_reg);
8411 READ_ULEB (fc->cfa_offset);
8412 fc->cfa_offset = fc->cfa_offset * fc->data_factor;
8414 if (! do_debug_frames_interp)
8415 printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
8416 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
8419 case DW_CFA_def_cfa_offset_sf:
8420 READ_ULEB (fc->cfa_offset);
8421 fc->cfa_offset *= fc->data_factor;
8422 if (! do_debug_frames_interp)
8423 printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset);
8426 case DW_CFA_MIPS_advance_loc8:
8427 SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end);
8428 if (do_debug_frames_interp)
8429 frame_display_row (fc, &need_col_headers, &max_regs);
8431 printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n",
8432 (unsigned long) (ofs * fc->code_factor),
8433 dwarf_vmatoa_1 (NULL,
8434 fc->pc_begin + ofs * fc->code_factor,
8436 fc->pc_begin += ofs * fc->code_factor;
8439 case DW_CFA_GNU_window_save:
8440 if (! do_debug_frames_interp)
8441 printf (" DW_CFA_GNU_window_save\n");
8444 case DW_CFA_GNU_args_size:
8446 if (! do_debug_frames_interp)
8447 printf (" DW_CFA_GNU_args_size: %ld\n", ul);
8450 case DW_CFA_GNU_negative_offset_extended:
8454 if (frame_need_space (fc, reg) < 0)
8455 reg_prefix = bad_reg;
8456 if (! do_debug_frames_interp || *reg_prefix != '\0')
8457 printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
8458 reg_prefix, regname (reg, 0),
8459 (long)(l * fc->data_factor));
8460 if (*reg_prefix == '\0')
8462 fc->col_type[reg] = DW_CFA_offset;
8463 fc->col_offset[reg] = l * fc->data_factor;
8468 if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
8469 printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
8471 warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
8476 /* Interpret the CFA - as long as it is not completely full of NOPs. */
8477 if (do_debug_frames_interp && ! all_nops)
8478 frame_display_row (fc, &need_col_headers, &max_regs);
8481 eh_addr_size = saved_eh_addr_size;
8486 while (remembered_state != NULL)
8488 rs = remembered_state;
8489 remembered_state = rs->next;
8490 free (rs->col_type);
8491 free (rs->col_offset);
8492 rs->next = NULL; /* Paranoia. */
8496 while (chunks != NULL)
8500 free (rs->col_type);
8501 free (rs->col_offset);
8502 rs->next = NULL; /* Paranoia. */
8506 while (forward_refs != NULL)
8509 forward_refs = rs->next;
8510 free (rs->col_type);
8511 free (rs->col_offset);
8512 rs->next = NULL; /* Paranoia. */
8522 display_debug_names (struct dwarf_section *section, void *file)
8524 unsigned char *hdrptr = section->start;
8525 dwarf_vma unit_length;
8526 unsigned char *unit_start;
8527 const unsigned char *const section_end = section->start + section->size;
8528 unsigned char *unit_end;
8530 introduce (section, FALSE);
8532 load_debug_section_with_follow (str, file);
8534 for (; hdrptr < section_end; hdrptr = unit_end)
8536 unsigned int offset_size;
8537 uint16_t dwarf_version, padding;
8538 uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count;
8539 uint32_t bucket_count, name_count, abbrev_table_size;
8540 uint32_t augmentation_string_size;
8542 unsigned long sec_off;
8544 unit_start = hdrptr;
8546 /* Get and check the length of the block. */
8547 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end);
8549 if (unit_length == 0xffffffff)
8551 /* This section is 64-bit DWARF. */
8552 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end);
8557 unit_end = hdrptr + unit_length;
8559 sec_off = hdrptr - section->start;
8560 if (sec_off + unit_length < sec_off
8561 || sec_off + unit_length > section->size)
8563 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
8565 (unsigned long) (unit_start - section->start),
8566 dwarf_vmatoa ("x", unit_length));
8570 /* Get and check the version number. */
8571 SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end);
8572 printf (_("Version %ld\n"), (long) dwarf_version);
8574 /* Prior versions did not exist, and future versions may not be
8575 backwards compatible. */
8576 if (dwarf_version != 5)
8578 warn (_("Only DWARF version 5 .debug_names "
8579 "is currently supported.\n"));
8583 SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end);
8585 warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"),
8588 SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end);
8589 if (comp_unit_count == 0)
8590 warn (_("Compilation unit count must be >= 1 in .debug_names\n"));
8592 SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end);
8593 SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end);
8594 SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end);
8595 SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end);
8596 SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end);
8598 SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end);
8599 if (augmentation_string_size % 4 != 0)
8601 warn (_("Augmentation string length %u must be rounded up "
8602 "to a multiple of 4 in .debug_names.\n"),
8603 augmentation_string_size);
8604 augmentation_string_size += (-augmentation_string_size) & 3;
8606 printf (_("Augmentation string:"));
8607 for (i = 0; i < augmentation_string_size; i++)
8611 SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end);
8612 printf (" %02x", uc);
8617 printf (_("CU table:\n"));
8618 for (i = 0; i < comp_unit_count; i++)
8622 SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end);
8623 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset);
8627 printf (_("TU table:\n"));
8628 for (i = 0; i < local_type_unit_count; i++)
8632 SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end);
8633 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset);
8637 printf (_("Foreign TU table:\n"));
8638 for (i = 0; i < foreign_type_unit_count; i++)
8642 SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end);
8643 printf (_("[%3u] "), i);
8644 print_dwarf_vma (signature, 8);
8649 const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr;
8650 hdrptr += bucket_count * sizeof (uint32_t);
8651 const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr;
8652 hdrptr += name_count * sizeof (uint32_t);
8653 unsigned char *const name_table_string_offsets = hdrptr;
8654 hdrptr += name_count * offset_size;
8655 unsigned char *const name_table_entry_offsets = hdrptr;
8656 hdrptr += name_count * offset_size;
8657 unsigned char *const abbrev_table = hdrptr;
8658 hdrptr += abbrev_table_size;
8659 const unsigned char *const abbrev_table_end = hdrptr;
8660 unsigned char *const entry_pool = hdrptr;
8661 if (hdrptr > unit_end)
8663 warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx "
8664 "for unit 0x%lx in the debug_names\n"),
8665 (long) (hdrptr - section->start),
8666 (long) (unit_end - section->start),
8667 (long) (unit_start - section->start));
8671 size_t buckets_filled = 0;
8673 for (bucketi = 0; bucketi < bucket_count; bucketi++)
8675 const uint32_t bucket = hash_table_buckets[bucketi];
8680 printf (ngettext ("Used %zu of %lu bucket.\n",
8681 "Used %zu of %lu buckets.\n",
8683 buckets_filled, (unsigned long) bucket_count);
8685 uint32_t hash_prev = 0;
8686 size_t hash_clash_count = 0;
8687 size_t longest_clash = 0;
8688 size_t this_length = 0;
8690 for (hashi = 0; hashi < name_count; hashi++)
8692 const uint32_t hash_this = hash_table_hashes[hashi];
8696 if (hash_prev % bucket_count == hash_this % bucket_count)
8700 longest_clash = MAX (longest_clash, this_length);
8705 hash_prev = hash_this;
8707 printf (_("Out of %lu items there are %zu bucket clashes"
8708 " (longest of %zu entries).\n"),
8709 (unsigned long) name_count, hash_clash_count, longest_clash);
8710 assert (name_count == buckets_filled + hash_clash_count);
8712 struct abbrev_lookup_entry
8714 dwarf_vma abbrev_tag;
8715 unsigned char *abbrev_lookup_ptr;
8717 struct abbrev_lookup_entry *abbrev_lookup = NULL;
8718 size_t abbrev_lookup_used = 0;
8719 size_t abbrev_lookup_allocated = 0;
8721 unsigned char *abbrevptr = abbrev_table;
8724 unsigned int bytes_read;
8725 const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read,
8727 abbrevptr += bytes_read;
8728 if (abbrev_tag == 0)
8730 if (abbrev_lookup_used == abbrev_lookup_allocated)
8732 abbrev_lookup_allocated = MAX (0x100,
8733 abbrev_lookup_allocated * 2);
8734 abbrev_lookup = xrealloc (abbrev_lookup,
8735 (abbrev_lookup_allocated
8736 * sizeof (*abbrev_lookup)));
8738 assert (abbrev_lookup_used < abbrev_lookup_allocated);
8739 struct abbrev_lookup_entry *entry;
8740 for (entry = abbrev_lookup;
8741 entry < abbrev_lookup + abbrev_lookup_used;
8743 if (entry->abbrev_tag == abbrev_tag)
8745 warn (_("Duplicate abbreviation tag %lu "
8746 "in unit 0x%lx in the debug_names\n"),
8747 (long) abbrev_tag, (long) (unit_start - section->start));
8750 entry = &abbrev_lookup[abbrev_lookup_used++];
8751 entry->abbrev_tag = abbrev_tag;
8752 entry->abbrev_lookup_ptr = abbrevptr;
8754 /* Skip DWARF tag. */
8755 read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end);
8756 abbrevptr += bytes_read;
8759 const dwarf_vma xindex = read_uleb128 (abbrevptr,
8762 abbrevptr += bytes_read;
8763 const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
8765 abbrevptr += bytes_read;
8766 if (xindex == 0 && form == 0)
8771 printf (_("\nSymbol table:\n"));
8773 for (namei = 0; namei < name_count; ++namei)
8775 uint64_t string_offset, entry_offset;
8777 SAFE_BYTE_GET (string_offset,
8778 name_table_string_offsets + namei * offset_size,
8779 offset_size, unit_end);
8780 SAFE_BYTE_GET (entry_offset,
8781 name_table_entry_offsets + namei * offset_size,
8782 offset_size, unit_end);
8784 printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei],
8785 fetch_indirect_string (string_offset));
8787 unsigned char *entryptr = entry_pool + entry_offset;
8789 // We need to scan first whether there is a single or multiple
8790 // entries. TAGNO is -2 for the first entry, it is -1 for the
8791 // initial tag read of the second entry, then it becomes 0 for the
8792 // first entry for real printing etc.
8794 /* Initialize it due to a false compiler warning. */
8795 dwarf_vma second_abbrev_tag = -1;
8798 unsigned int bytes_read;
8799 const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read,
8801 entryptr += bytes_read;
8804 second_abbrev_tag = abbrev_tag;
8806 entryptr = entry_pool + entry_offset;
8809 if (abbrev_tag == 0)
8813 (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"),
8814 (unsigned long) abbrev_tag);
8816 const struct abbrev_lookup_entry *entry;
8817 for (entry = abbrev_lookup;
8818 entry < abbrev_lookup + abbrev_lookup_used;
8820 if (entry->abbrev_tag == abbrev_tag)
8822 if (entry >= abbrev_lookup + abbrev_lookup_used)
8824 warn (_("Undefined abbreviation tag %lu "
8825 "in unit 0x%lx in the debug_names\n"),
8827 (long) (unit_start - section->start));
8830 abbrevptr = entry->abbrev_lookup_ptr;
8831 const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read,
8833 abbrevptr += bytes_read;
8835 printf (" %s", get_TAG_name (dwarf_tag));
8838 const dwarf_vma xindex = read_uleb128 (abbrevptr,
8841 abbrevptr += bytes_read;
8842 const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
8844 abbrevptr += bytes_read;
8845 if (xindex == 0 && form == 0)
8849 printf (" %s", get_IDX_name (xindex));
8850 entryptr = read_and_display_attr_value (0, form, 0, entryptr,
8853 dwarf_version, NULL,
8860 printf (_(" <no entries>"));
8864 free (abbrev_lookup);
8871 display_debug_links (struct dwarf_section * section,
8872 void * file ATTRIBUTE_UNUSED)
8874 const unsigned char * filename;
8875 unsigned int filelen;
8877 introduce (section, FALSE);
8879 /* The .gnu_debuglink section is formatted as:
8880 (c-string) Filename.
8881 (padding) If needed to reach a 4 byte boundary.
8882 (uint32_t) CRC32 value.
8884 The .gun_debugaltlink section is formatted as:
8885 (c-string) Filename.
8886 (binary) Build-ID. */
8888 filename = section->start;
8889 filelen = strnlen ((const char *) filename, section->size);
8890 if (filelen == section->size)
8892 warn (_("The debuglink filename is corrupt/missing\n"));
8896 printf (_(" Separate debug info file: %s\n"), filename);
8898 if (const_strneq (section->name, ".gnu_debuglink"))
8901 unsigned int crc_offset;
8903 crc_offset = filelen + 1;
8904 crc_offset = (crc_offset + 3) & ~3;
8905 if (crc_offset + 4 > section->size)
8907 warn (_("CRC offset missing/truncated\n"));
8911 crc32 = byte_get (filename + crc_offset, 4);
8913 printf (_(" CRC value: %#x\n"), crc32);
8915 if (crc_offset + 4 < section->size)
8917 warn (_("There are %#lx extraneous bytes at the end of the section\n"),
8918 (long)(section->size - (crc_offset + 4)));
8922 else /* const_strneq (section->name, ".gnu_debugaltlink") */
8924 const unsigned char * build_id = section->start + filelen + 1;
8925 bfd_size_type build_id_len = section->size - (filelen + 1);
8926 bfd_size_type printed;
8928 /* FIXME: Should we support smaller build-id notes ? */
8929 if (build_id_len < 0x14)
8931 warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len);
8935 printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len);
8936 display_data (printed, build_id, build_id_len);
8945 display_gdb_index (struct dwarf_section *section,
8946 void *file ATTRIBUTE_UNUSED)
8948 unsigned char *start = section->start;
8950 uint32_t cu_list_offset, tu_list_offset;
8951 uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
8952 unsigned int cu_list_elements, tu_list_elements;
8953 unsigned int address_table_size, symbol_table_slots;
8954 unsigned char *cu_list, *tu_list;
8955 unsigned char *address_table, *symbol_table, *constant_pool;
8958 /* The documentation for the format of this file is in gdb/dwarf2read.c. */
8960 introduce (section, FALSE);
8962 if (section->size < 6 * sizeof (uint32_t))
8964 warn (_("Truncated header in the %s section.\n"), section->name);
8968 version = byte_get_little_endian (start, 4);
8969 printf (_("Version %ld\n"), (long) version);
8971 /* Prior versions are obsolete, and future versions may not be
8972 backwards compatible. */
8973 if (version < 3 || version > 8)
8975 warn (_("Unsupported version %lu.\n"), (unsigned long) version);
8979 warn (_("The address table data in version 3 may be wrong.\n"));
8981 warn (_("Version 4 does not support case insensitive lookups.\n"));
8983 warn (_("Version 5 does not include inlined functions.\n"));
8985 warn (_("Version 6 does not include symbol attributes.\n"));
8986 /* Version 7 indices generated by Gold have bad type unit references,
8987 PR binutils/15021. But we don't know if the index was generated by
8988 Gold or not, so to avoid worrying users with gdb-generated indices
8989 we say nothing for version 7 here. */
8991 cu_list_offset = byte_get_little_endian (start + 4, 4);
8992 tu_list_offset = byte_get_little_endian (start + 8, 4);
8993 address_table_offset = byte_get_little_endian (start + 12, 4);
8994 symbol_table_offset = byte_get_little_endian (start + 16, 4);
8995 constant_pool_offset = byte_get_little_endian (start + 20, 4);
8997 if (cu_list_offset > section->size
8998 || tu_list_offset > section->size
8999 || address_table_offset > section->size
9000 || symbol_table_offset > section->size
9001 || constant_pool_offset > section->size)
9003 warn (_("Corrupt header in the %s section.\n"), section->name);
9007 /* PR 17531: file: 418d0a8a. */
9008 if (tu_list_offset < cu_list_offset)
9010 warn (_("TU offset (%x) is less than CU offset (%x)\n"),
9011 tu_list_offset, cu_list_offset);
9015 cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
9017 if (address_table_offset < tu_list_offset)
9019 warn (_("Address table offset (%x) is less than TU offset (%x)\n"),
9020 address_table_offset, tu_list_offset);
9024 tu_list_elements = (address_table_offset - tu_list_offset) / 8;
9026 /* PR 17531: file: 18a47d3d. */
9027 if (symbol_table_offset < address_table_offset)
9029 warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"),
9030 symbol_table_offset, address_table_offset);
9034 address_table_size = symbol_table_offset - address_table_offset;
9036 if (constant_pool_offset < symbol_table_offset)
9038 warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"),
9039 constant_pool_offset, symbol_table_offset);
9043 symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
9045 cu_list = start + cu_list_offset;
9046 tu_list = start + tu_list_offset;
9047 address_table = start + address_table_offset;
9048 symbol_table = start + symbol_table_offset;
9049 constant_pool = start + constant_pool_offset;
9051 if (address_table + address_table_size > section->start + section->size)
9053 warn (_("Address table extends beyond end of section.\n"));
9057 printf (_("\nCU table:\n"));
9058 for (i = 0; i < cu_list_elements; i += 2)
9060 uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
9061 uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
9063 printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
9064 (unsigned long) cu_offset,
9065 (unsigned long) (cu_offset + cu_length - 1));
9068 printf (_("\nTU table:\n"));
9069 for (i = 0; i < tu_list_elements; i += 3)
9071 uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
9072 uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
9073 uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
9075 printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
9076 (unsigned long) tu_offset,
9077 (unsigned long) type_offset);
9078 print_dwarf_vma (signature, 8);
9082 printf (_("\nAddress table:\n"));
9083 for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4);
9086 uint64_t low = byte_get_little_endian (address_table + i, 8);
9087 uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
9088 uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
9090 print_dwarf_vma (low, 8);
9091 print_dwarf_vma (high, 8);
9092 printf (_("%lu\n"), (unsigned long) cu_index);
9095 printf (_("\nSymbol table:\n"));
9096 for (i = 0; i < symbol_table_slots; ++i)
9098 uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
9099 uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
9100 uint32_t num_cus, cu;
9102 if (name_offset != 0
9103 || cu_vector_offset != 0)
9106 unsigned char * adr;
9108 adr = constant_pool + name_offset;
9109 /* PR 17531: file: 5b7b07ad. */
9110 if (adr < constant_pool || adr >= section->start + section->size)
9112 printf (_("[%3u] <corrupt offset: %x>"), i, name_offset);
9113 warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"),
9117 printf ("[%3u] %.*s:", i,
9118 (int) (section->size - (constant_pool_offset + name_offset)),
9119 constant_pool + name_offset);
9121 adr = constant_pool + cu_vector_offset;
9122 if (adr < constant_pool || adr >= section->start + section->size - 3)
9124 printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset);
9125 warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"),
9126 cu_vector_offset, i);
9130 num_cus = byte_get_little_endian (adr, 4);
9132 adr = constant_pool + cu_vector_offset + 4 + num_cus * 4;
9133 if (num_cus * 4 < num_cus
9134 || adr >= section->start + section->size
9135 || adr < constant_pool)
9137 printf ("<invalid number of CUs: %d>\n", num_cus);
9138 warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"),
9146 for (j = 0; j < num_cus; ++j)
9149 gdb_index_symbol_kind kind;
9151 cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
9152 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
9153 kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
9154 cu = GDB_INDEX_CU_VALUE (cu);
9155 /* Convert to TU number if it's for a type unit. */
9156 if (cu >= cu_list_elements / 2)
9157 printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
9158 (unsigned long) (cu - cu_list_elements / 2));
9160 printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
9162 printf (" [%s, %s]",
9163 is_static ? _("static") : _("global"),
9164 get_gdb_index_symbol_kind_name (kind));
9176 /* Pre-allocate enough space for the CU/TU sets needed. */
9179 prealloc_cu_tu_list (unsigned int nshndx)
9181 if (shndx_pool == NULL)
9183 shndx_pool_size = nshndx;
9184 shndx_pool_used = 0;
9185 shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
9186 sizeof (unsigned int));
9190 shndx_pool_size = shndx_pool_used + nshndx;
9191 shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
9192 sizeof (unsigned int));
9197 add_shndx_to_cu_tu_entry (unsigned int shndx)
9199 if (shndx_pool_used >= shndx_pool_size)
9201 error (_("Internal error: out of space in the shndx pool.\n"));
9204 shndx_pool [shndx_pool_used++] = shndx;
9208 end_cu_tu_entry (void)
9210 if (shndx_pool_used >= shndx_pool_size)
9212 error (_("Internal error: out of space in the shndx pool.\n"));
9215 shndx_pool [shndx_pool_used++] = 0;
9218 /* Return the short name of a DWARF section given by a DW_SECT enumerator. */
9221 get_DW_SECT_short_name (unsigned int dw_sect)
9223 static char buf[16];
9231 case DW_SECT_ABBREV:
9237 case DW_SECT_STR_OFFSETS:
9239 case DW_SECT_MACINFO:
9247 snprintf (buf, sizeof (buf), "%d", dw_sect);
9251 /* Process a CU or TU index. If DO_DISPLAY is true, print the contents.
9252 These sections are extensions for Fission.
9253 See http://gcc.gnu.org/wiki/DebugFissionDWP. */
9256 process_cu_tu_index (struct dwarf_section *section, int do_display)
9258 unsigned char *phdr = section->start;
9259 unsigned char *limit = phdr + section->size;
9260 unsigned char *phash;
9261 unsigned char *pindex;
9262 unsigned char *ppool;
9263 unsigned int version;
9264 unsigned int ncols = 0;
9266 unsigned int nslots;
9269 dwarf_vma signature_high;
9270 dwarf_vma signature_low;
9273 /* PR 17512: file: 002-168123-0.004. */
9276 warn (_("Section %s is empty\n"), section->name);
9279 /* PR 17512: file: 002-376-0.004. */
9280 if (section->size < 24)
9282 warn (_("Section %s is too small to contain a CU/TU header\n"),
9287 SAFE_BYTE_GET (version, phdr, 4, limit);
9289 SAFE_BYTE_GET (ncols, phdr + 4, 4, limit);
9290 SAFE_BYTE_GET (nused, phdr + 8, 4, limit);
9291 SAFE_BYTE_GET (nslots, phdr + 12, 4, limit);
9294 pindex = phash + nslots * 8;
9295 ppool = pindex + nslots * 4;
9297 /* PR 17531: file: 45d69832. */
9298 if (pindex < phash || ppool < phdr || (pindex == phash && nslots != 0))
9300 warn (ngettext ("Section %s is too small for %d slot\n",
9301 "Section %s is too small for %d slots\n",
9303 section->name, nslots);
9309 introduce (section, FALSE);
9311 printf (_(" Version: %d\n"), version);
9313 printf (_(" Number of columns: %d\n"), ncols);
9314 printf (_(" Number of used entries: %d\n"), nused);
9315 printf (_(" Number of slots: %d\n\n"), nslots);
9318 if (ppool > limit || ppool < phdr)
9320 warn (_("Section %s too small for %d hash table entries\n"),
9321 section->name, nslots);
9328 prealloc_cu_tu_list ((limit - ppool) / 4);
9329 for (i = 0; i < nslots; i++)
9331 unsigned char *shndx_list;
9334 SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit);
9335 if (signature_high != 0 || signature_low != 0)
9337 SAFE_BYTE_GET (j, pindex, 4, limit);
9338 shndx_list = ppool + j * 4;
9339 /* PR 17531: file: 705e010d. */
9340 if (shndx_list < ppool)
9342 warn (_("Section index pool located before start of section\n"));
9347 printf (_(" [%3d] Signature: 0x%s Sections: "),
9348 i, dwarf_vmatoa64 (signature_high, signature_low,
9349 buf, sizeof (buf)));
9352 if (shndx_list >= limit)
9354 warn (_("Section %s too small for shndx pool\n"),
9358 SAFE_BYTE_GET (shndx, shndx_list, 4, limit);
9362 printf (" %d", shndx);
9364 add_shndx_to_cu_tu_entry (shndx);
9376 else if (version == 2)
9379 unsigned int dw_sect;
9380 unsigned char *ph = phash;
9381 unsigned char *pi = pindex;
9382 unsigned char *poffsets = ppool + ncols * 4;
9383 unsigned char *psizes = poffsets + nused * ncols * 4;
9384 unsigned char *pend = psizes + nused * ncols * 4;
9385 bfd_boolean is_tu_index;
9386 struct cu_tu_set *this_set = NULL;
9388 unsigned char *prow;
9390 is_tu_index = strcmp (section->name, ".debug_tu_index") == 0;
9392 /* PR 17531: file: 0dd159bf.
9393 Check for wraparound with an overlarge ncols value. */
9394 if (poffsets < ppool || (unsigned int) ((poffsets - ppool) / 4) != ncols)
9396 warn (_("Overlarge number of columns: %x\n"), ncols);
9402 warn (_("Section %s too small for offset and size tables\n"),
9409 printf (_(" Offset table\n"));
9410 printf (" slot %-16s ",
9411 is_tu_index ? _("signature") : _("dwo_id"));
9418 tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
9424 cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
9431 for (j = 0; j < ncols; j++)
9433 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
9434 printf (" %8s", get_DW_SECT_short_name (dw_sect));
9439 for (i = 0; i < nslots; i++)
9441 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9443 SAFE_BYTE_GET (row, pi, 4, limit);
9446 /* PR 17531: file: a05f6ab3. */
9449 warn (_("Row index (%u) is larger than number of used entries (%u)\n"),
9456 size_t num_copy = sizeof (uint64_t);
9458 /* PR 23064: Beware of buffer overflow. */
9459 if (ph + num_copy < limit)
9460 memcpy (&this_set[row - 1].signature, ph, num_copy);
9463 warn (_("Signature (%p) extends beyond end of space in section\n"), ph);
9468 prow = poffsets + (row - 1) * ncols * 4;
9469 /* PR 17531: file: b8ce60a8. */
9470 if (prow < poffsets || prow > limit)
9472 warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"),
9478 printf (_(" [%3d] 0x%s"),
9479 i, dwarf_vmatoa64 (signature_high, signature_low,
9480 buf, sizeof (buf)));
9481 for (j = 0; j < ncols; j++)
9483 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
9485 printf (" %8d", val);
9488 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
9490 /* PR 17531: file: 10796eb3. */
9491 if (dw_sect >= DW_SECT_MAX)
9492 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9494 this_set [row - 1].section_offsets [dw_sect] = val;
9510 printf (_(" Size table\n"));
9511 printf (" slot %-16s ",
9512 is_tu_index ? _("signature") : _("dwo_id"));
9515 for (j = 0; j < ncols; j++)
9517 SAFE_BYTE_GET (val, ppool + j * 4, 4, limit);
9519 printf (" %8s", get_DW_SECT_short_name (val));
9525 for (i = 0; i < nslots; i++)
9527 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9529 SAFE_BYTE_GET (row, pi, 4, limit);
9532 prow = psizes + (row - 1) * ncols * 4;
9535 printf (_(" [%3d] 0x%s"),
9536 i, dwarf_vmatoa64 (signature_high, signature_low,
9537 buf, sizeof (buf)));
9539 for (j = 0; j < ncols; j++)
9541 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
9543 printf (" %8d", val);
9546 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
9547 if (dw_sect >= DW_SECT_MAX)
9548 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9550 this_set [row - 1].section_sizes [dw_sect] = val;
9562 else if (do_display)
9563 printf (_(" Unsupported version (%d)\n"), version);
9571 /* Load the CU and TU indexes if present. This will build a list of
9572 section sets that we can use to associate a .debug_info.dwo section
9573 with its associated .debug_abbrev.dwo section in a .dwp file. */
9576 load_cu_tu_indexes (void *file)
9578 static int cu_tu_indexes_read = -1; /* Tri-state variable. */
9580 /* If we have already loaded (or tried to load) the CU and TU indexes
9581 then do not bother to repeat the task. */
9582 if (cu_tu_indexes_read == -1)
9584 cu_tu_indexes_read = TRUE;
9586 if (load_debug_section_with_follow (dwp_cu_index, file))
9587 if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0))
9588 cu_tu_indexes_read = FALSE;
9590 if (load_debug_section_with_follow (dwp_tu_index, file))
9591 if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0))
9592 cu_tu_indexes_read = FALSE;
9595 return (bfd_boolean) cu_tu_indexes_read;
9598 /* Find the set of sections that includes section SHNDX. */
9601 find_cu_tu_set (void *file, unsigned int shndx)
9605 if (! load_cu_tu_indexes (file))
9608 /* Find SHNDX in the shndx pool. */
9609 for (i = 0; i < shndx_pool_used; i++)
9610 if (shndx_pool [i] == shndx)
9613 if (i >= shndx_pool_used)
9616 /* Now backup to find the first entry in the set. */
9617 while (i > 0 && shndx_pool [i - 1] != 0)
9620 return shndx_pool + i;
9623 /* Display a .debug_cu_index or .debug_tu_index section. */
9626 display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
9628 return process_cu_tu_index (section, 1);
9632 display_debug_not_supported (struct dwarf_section *section,
9633 void *file ATTRIBUTE_UNUSED)
9635 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
9641 /* Like malloc, but takes two parameters like calloc.
9642 Verifies that the first parameter is not too large.
9643 Note: does *not* initialise the allocated memory to zero. */
9646 cmalloc (size_t nmemb, size_t size)
9648 /* Check for overflow. */
9649 if (nmemb >= ~(size_t) 0 / size)
9652 return xmalloc (nmemb * size);
9655 /* Like xmalloc, but takes two parameters like calloc.
9656 Verifies that the first parameter is not too large.
9657 Note: does *not* initialise the allocated memory to zero. */
9660 xcmalloc (size_t nmemb, size_t size)
9662 /* Check for overflow. */
9663 if (nmemb >= ~(size_t) 0 / size)
9666 _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"),
9671 return xmalloc (nmemb * size);
9674 /* Like xrealloc, but takes three parameters.
9675 Verifies that the second parameter is not too large.
9676 Note: does *not* initialise any new memory to zero. */
9679 xcrealloc (void *ptr, size_t nmemb, size_t size)
9681 /* Check for overflow. */
9682 if (nmemb >= ~(size_t) 0 / size)
9684 error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"),
9689 return xrealloc (ptr, nmemb * size);
9692 /* Like xcalloc, but verifies that the first parameter is not too large. */
9695 xcalloc2 (size_t nmemb, size_t size)
9697 /* Check for overflow. */
9698 if (nmemb >= ~(size_t) 0 / size)
9700 error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"),
9705 return xcalloc (nmemb, size);
9708 static unsigned long
9709 calc_gnu_debuglink_crc32 (unsigned long crc,
9710 const unsigned char * buf,
9713 static const unsigned long crc32_table[256] =
9715 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
9716 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
9717 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
9718 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
9719 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
9720 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
9721 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
9722 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
9723 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
9724 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
9725 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
9726 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
9727 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
9728 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
9729 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
9730 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
9731 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
9732 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
9733 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
9734 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
9735 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
9736 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
9737 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
9738 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
9739 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
9740 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
9741 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
9742 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
9743 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
9744 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
9745 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
9746 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
9747 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
9748 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
9749 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
9750 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
9751 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
9752 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
9753 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
9754 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
9755 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
9756 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
9757 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
9758 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
9759 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
9760 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
9761 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
9762 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
9763 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
9764 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
9765 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
9768 const unsigned char *end;
9770 crc = ~crc & 0xffffffff;
9771 for (end = buf + len; buf < end; ++ buf)
9772 crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
9773 return ~crc & 0xffffffff;
9776 typedef bfd_boolean (* check_func_type) (const char *, void *);
9777 typedef const char * (* parse_func_type) (struct dwarf_section *, void *);
9780 check_gnu_debuglink (const char * pathname, void * crc_pointer)
9782 static unsigned char buffer [8 * 1024];
9784 bfd_size_type count;
9785 unsigned long crc = 0;
9788 sep_data = open_debug_file (pathname);
9789 if (sep_data == NULL)
9792 /* Yes - we are opening the file twice... */
9793 f = fopen (pathname, "rb");
9796 /* Paranoia: This should never happen. */
9797 close_debug_file (sep_data);
9798 warn (_("Unable to reopen separate debug info file: %s\n"), pathname);
9802 while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0)
9803 crc = calc_gnu_debuglink_crc32 (crc, buffer, count);
9807 if (crc != * (unsigned long *) crc_pointer)
9809 close_debug_file (sep_data);
9810 warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"),
9819 parse_gnu_debuglink (struct dwarf_section * section, void * data)
9822 unsigned int crc_offset;
9823 unsigned long * crc32 = (unsigned long *) data;
9825 /* The name is first.
9826 The CRC value is stored after the filename, aligned up to 4 bytes. */
9827 name = (const char *) section->start;
9830 crc_offset = strnlen (name, section->size) + 1;
9831 crc_offset = (crc_offset + 3) & ~3;
9832 if (crc_offset + 4 > section->size)
9835 * crc32 = byte_get (section->start + crc_offset, 4);
9840 check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED)
9842 void * sep_data = open_debug_file (filename);
9844 if (sep_data == NULL)
9847 /* FIXME: We should now extract the build-id in the separate file
9853 typedef struct build_id_data
9856 const unsigned char * data;
9860 parse_gnu_debugaltlink (struct dwarf_section * section, void * data)
9863 bfd_size_type namelen;
9864 bfd_size_type id_len;
9865 Build_id_data * build_id_data;
9867 /* The name is first.
9868 The build-id follows immediately, with no padding, up to the section's end. */
9870 name = (const char *) section->start;
9871 namelen = strnlen (name, section->size) + 1;
9872 if (namelen >= section->size)
9875 id_len = section->size - namelen;
9879 build_id_data = calloc (1, sizeof * build_id_data);
9880 if (build_id_data == NULL)
9883 build_id_data->len = id_len;
9884 build_id_data->data = section->start + namelen;
9886 * (Build_id_data **) data = build_id_data;
9892 add_separate_debug_file (const char * filename, void * handle)
9894 separate_info * i = xmalloc (sizeof * i);
9896 i->filename = filename;
9898 i->next = first_separate_info;
9899 first_separate_info = i;
9903 load_separate_debug_info (const char * main_filename,
9904 struct dwarf_section * xlink,
9905 parse_func_type parse_func,
9906 check_func_type check_func,
9909 const char * separate_filename;
9910 char * debug_filename;
9912 size_t canon_dirlen;
9915 if ((separate_filename = parse_func (xlink, func_data)) == NULL)
9917 warn (_("Corrupt debuglink section: %s\n"),
9918 xlink->name ? xlink->name : xlink->uncompressed_name);
9922 /* Attempt to locate the separate file.
9923 This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */
9925 canon_dir = lrealpath (main_filename);
9927 for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--)
9928 if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1]))
9930 canon_dir[canon_dirlen] = '\0';
9933 #define DEBUGDIR "/lib/debug"
9935 #ifndef EXTRA_DEBUG_ROOT1
9936 #define EXTRA_DEBUG_ROOT1 "/usr/lib/debug"
9938 #ifndef EXTRA_DEBUG_ROOT2
9939 #define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr"
9942 debug_filename = (char *) malloc (strlen (DEBUGDIR) + 1
9944 + strlen (".debug/")
9945 #ifdef EXTRA_DEBUG_ROOT1
9946 + strlen (EXTRA_DEBUG_ROOT1)
9948 #ifdef EXTRA_DEBUG_ROOT2
9949 + strlen (EXTRA_DEBUG_ROOT2)
9951 + strlen (separate_filename)
9953 if (debug_filename == NULL)
9955 warn (_("Out of memory"));
9960 /* First try in the current directory. */
9961 sprintf (debug_filename, "%s", separate_filename);
9962 if (check_func (debug_filename, func_data))
9965 /* Then try in a subdirectory called .debug. */
9966 sprintf (debug_filename, ".debug/%s", separate_filename);
9967 if (check_func (debug_filename, func_data))
9970 /* Then try in the same directory as the original file. */
9971 sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
9972 if (check_func (debug_filename, func_data))
9975 /* And the .debug subdirectory of that directory. */
9976 sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
9977 if (check_func (debug_filename, func_data))
9980 #ifdef EXTRA_DEBUG_ROOT1
9981 /* Try the first extra debug file root. */
9982 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
9983 if (check_func (debug_filename, func_data))
9986 /* Try the first extra debug file root. */
9987 sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
9988 if (check_func (debug_filename, func_data))
9992 #ifdef EXTRA_DEBUG_ROOT2
9993 /* Try the second extra debug file root. */
9994 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
9995 if (check_func (debug_filename, func_data))
9999 /* Then try in the global debug_filename directory. */
10000 strcpy (debug_filename, DEBUGDIR);
10001 dirlen = strlen (DEBUGDIR) - 1;
10002 if (dirlen > 0 && DEBUGDIR[dirlen] != '/')
10003 strcat (debug_filename, "/");
10004 strcat (debug_filename, (const char *) separate_filename);
10006 if (check_func (debug_filename, func_data))
10009 /* Failed to find the file. */
10010 warn (_("could not find separate debug file '%s'\n"), separate_filename);
10011 warn (_("tried: %s\n"), debug_filename);
10013 #ifdef EXTRA_DEBUG_ROOT2
10014 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
10015 warn (_("tried: %s\n"), debug_filename);
10018 #ifdef EXTRA_DEBUG_ROOT1
10019 sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
10020 warn (_("tried: %s\n"), debug_filename);
10022 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
10023 warn (_("tried: %s\n"), debug_filename);
10026 sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
10027 warn (_("tried: %s\n"), debug_filename);
10029 sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
10030 warn (_("tried: %s\n"), debug_filename);
10032 sprintf (debug_filename, ".debug/%s", separate_filename);
10033 warn (_("tried: %s\n"), debug_filename);
10035 sprintf (debug_filename, "%s", separate_filename);
10036 warn (_("tried: %s\n"), debug_filename);
10039 free (debug_filename);
10045 void * debug_handle;
10047 /* Now open the file.... */
10048 if ((debug_handle = open_debug_file (debug_filename)) == NULL)
10050 warn (_("failed to open separate debug file: %s\n"), debug_filename);
10051 free (debug_filename);
10055 /* FIXME: We do not check to see if there are any other separate debug info
10056 files that would also match. */
10058 printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debug_filename);
10059 add_separate_debug_file (debug_filename, debug_handle);
10061 /* Do not free debug_filename - it might be referenced inside
10062 the structure returned by open_debug_file(). */
10063 return debug_handle;
10066 /* Attempt to load a separate dwarf object file. */
10069 load_dwo_file (const char * main_filename, const char * name, const char * dir, const char * id ATTRIBUTE_UNUSED)
10071 char * separate_filename;
10072 void * separate_handle;
10074 /* FIXME: Skip adding / if dwo_dir ends in /. */
10075 separate_filename = concat (dir, "/", name, NULL);
10076 if (separate_filename == NULL)
10078 warn (_("Out of memory allocating dwo filename\n"));
10082 if ((separate_handle = open_debug_file (separate_filename)) == NULL)
10084 warn (_("Unable to load dwo file: %s\n"), separate_filename);
10085 free (separate_filename);
10089 /* FIXME: We should check the dwo_id. */
10091 printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, separate_filename);
10092 add_separate_debug_file (separate_filename, separate_handle);
10093 /* Note - separate_filename will be freed in free_debug_memory(). */
10094 return separate_handle;
10097 /* Load the separate debug info file(s) attached to FILE, if any exist.
10098 Returns TRUE if any were found, FALSE otherwise.
10099 If TRUE is returned then the linked list starting at first_separate_info
10100 will be populated with open file handles. */
10103 load_separate_debug_files (void * file, const char * filename)
10105 /* Skip this operation if we are not interested in debug links. */
10106 if (! do_follow_links && ! do_debug_links)
10109 /* See if there are any dwo links. */
10110 if (load_debug_section (str, file)
10111 && load_debug_section (abbrev, file)
10112 && load_debug_section (info, file))
10116 if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE))
10118 bfd_boolean introduced = FALSE;
10120 const char * dir = NULL;
10121 const char * id = NULL;
10123 for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = dwinfo->next)
10125 switch (dwinfo->type)
10128 if (do_debug_links)
10132 printf (_("The %s section contains link(s) to dwo file(s):\n\n"),
10133 debug_displays [info].section.uncompressed_name);
10137 printf (_(" Name: %s\n"), dwinfo->value);
10138 printf (_(" Directory: %s\n"), dir ? dir : _("<not-found>"));
10140 display_data (printf (_(" ID: ")), (unsigned char *) id, 8);
10142 printf (_(" ID: <unknown>\n"));
10146 if (do_follow_links)
10147 load_dwo_file (filename, dwinfo->value, dir, id);
10151 dir = dwinfo->value;
10155 id = dwinfo->value;
10159 error (_("Unexpected DWO INFO type"));
10166 if (! do_follow_links)
10167 /* The other debug links will be displayed by display_debug_links()
10168 so we do not need to do any further processing here. */
10171 /* FIXME: We do not check for the presence of both link sections in the same file. */
10172 /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */
10173 /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */
10174 /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */
10176 if (load_debug_section (gnu_debugaltlink, file))
10178 Build_id_data * build_id_data;
10180 load_separate_debug_info (filename,
10181 & debug_displays[gnu_debugaltlink].section,
10182 parse_gnu_debugaltlink,
10183 check_gnu_debugaltlink,
10187 if (load_debug_section (gnu_debuglink, file))
10189 unsigned long crc32;
10191 load_separate_debug_info (filename,
10192 & debug_displays[gnu_debuglink].section,
10193 parse_gnu_debuglink,
10194 check_gnu_debuglink,
10198 if (first_separate_info != NULL)
10201 do_follow_links = 0;
10206 free_debug_memory (void)
10212 for (i = 0; i < max; i++)
10213 free_debug_section ((enum dwarf_section_display_enum) i);
10215 if (debug_information != NULL)
10217 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE)
10219 for (i = 0; i < num_debug_info_entries; i++)
10221 if (!debug_information [i].max_loc_offsets)
10223 free (debug_information [i].loc_offsets);
10224 free (debug_information [i].have_frame_base);
10226 if (!debug_information [i].max_range_lists)
10227 free (debug_information [i].range_lists);
10230 free (debug_information);
10231 debug_information = NULL;
10232 alloc_num_debug_info_entries = num_debug_info_entries = 0;
10236 separate_info * next;
10238 for (d = first_separate_info; d != NULL; d = next)
10240 close_debug_file (d->handle);
10241 free ((void *) d->filename);
10245 first_separate_info = NULL;
10251 dwarf_select_sections_by_names (const char *names)
10255 const char * option;
10259 debug_dump_long_opts;
10261 static const debug_dump_long_opts opts_table [] =
10263 /* Please keep this table alpha- sorted. */
10264 { "Ranges", & do_debug_ranges, 1 },
10265 { "abbrev", & do_debug_abbrevs, 1 },
10266 { "addr", & do_debug_addr, 1 },
10267 { "aranges", & do_debug_aranges, 1 },
10268 { "cu_index", & do_debug_cu_index, 1 },
10269 { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
10270 { "follow-links", & do_follow_links, 1 },
10271 { "frames", & do_debug_frames, 1 },
10272 { "frames-interp", & do_debug_frames_interp, 1 },
10273 /* The special .gdb_index section. */
10274 { "gdb_index", & do_gdb_index, 1 },
10275 { "info", & do_debug_info, 1 },
10276 { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
10277 { "links", & do_debug_links, 1 },
10278 { "loc", & do_debug_loc, 1 },
10279 { "macro", & do_debug_macinfo, 1 },
10280 { "pubnames", & do_debug_pubnames, 1 },
10281 { "pubtypes", & do_debug_pubtypes, 1 },
10282 /* This entry is for compatibility
10283 with earlier versions of readelf. */
10284 { "ranges", & do_debug_aranges, 1 },
10285 { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
10286 { "str", & do_debug_str, 1 },
10287 /* These trace_* sections are used by Itanium VMS. */
10288 { "trace_abbrev", & do_trace_abbrevs, 1 },
10289 { "trace_aranges", & do_trace_aranges, 1 },
10290 { "trace_info", & do_trace_info, 1 },
10299 const debug_dump_long_opts * entry;
10301 for (entry = opts_table; entry->option; entry++)
10303 size_t len = strlen (entry->option);
10305 if (strncmp (p, entry->option, len) == 0
10306 && (p[len] == ',' || p[len] == '\0'))
10308 * entry->variable |= entry->val;
10310 /* The --debug-dump=frames-interp option also
10311 enables the --debug-dump=frames option. */
10312 if (do_debug_frames_interp)
10313 do_debug_frames = 1;
10320 if (entry->option == NULL)
10322 warn (_("Unrecognized debug option '%s'\n"), p);
10323 p = strchr (p, ',');
10334 dwarf_select_sections_by_letters (const char *letters)
10336 unsigned int lindex = 0;
10338 while (letters[lindex])
10339 switch (letters[lindex++])
10341 case 'A': do_debug_addr = 1; break;
10342 case 'a': do_debug_abbrevs = 1; break;
10343 case 'c': do_debug_cu_index = 1; break;
10344 case 'F': do_debug_frames_interp = 1; /* Fall through. */
10345 case 'f': do_debug_frames = 1; break;
10346 case 'g': do_gdb_index = 1; break;
10347 case 'i': do_debug_info = 1; break;
10348 case 'K': do_follow_links = 1; break;
10349 case 'k': do_debug_links = 1; break;
10350 case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break;
10351 case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break;
10352 case 'm': do_debug_macinfo = 1; break;
10353 case 'o': do_debug_loc = 1; break;
10354 case 'p': do_debug_pubnames = 1; break;
10355 case 'R': do_debug_ranges = 1; break;
10356 case 'r': do_debug_aranges = 1; break;
10357 case 's': do_debug_str = 1; break;
10358 case 'T': do_trace_aranges = 1; break;
10359 case 't': do_debug_pubtypes = 1; break;
10360 case 'U': do_trace_info = 1; break;
10361 case 'u': do_trace_abbrevs = 1; break;
10364 warn (_("Unrecognized debug option '%s'\n"), letters);
10370 dwarf_select_sections_all (void)
10373 do_debug_abbrevs = 1;
10374 do_debug_lines = FLAG_DEBUG_LINES_RAW;
10375 do_debug_pubnames = 1;
10376 do_debug_pubtypes = 1;
10377 do_debug_aranges = 1;
10378 do_debug_ranges = 1;
10379 do_debug_frames = 1;
10380 do_debug_macinfo = 1;
10385 do_trace_abbrevs = 1;
10386 do_trace_aranges = 1;
10388 do_debug_cu_index = 1;
10389 do_follow_links = 1;
10390 do_debug_links = 1;
10393 #define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL
10394 #define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL
10396 /* N.B. The order here must match the order in section_display_enum. */
10398 struct dwarf_section_display debug_displays[] =
10400 { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10401 { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE },
10402 { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10403 { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE },
10404 { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10405 { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE },
10406 { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE },
10407 { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10408 { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10409 { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10410 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10411 { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10412 { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10413 { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10414 { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE },
10415 { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE },
10416 { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10417 { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10418 { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10419 { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10420 { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE },
10421 { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10422 { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE },
10423 { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE },
10424 { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE },
10425 { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE },
10426 { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE },
10427 { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE },
10428 { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10429 { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE },
10430 { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10431 { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10432 { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10433 { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10434 { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE },
10435 { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10436 { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10437 { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE },
10438 { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10439 { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10440 { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10441 { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10442 /* Separate debug info files can containt their own .debug_str section,
10443 and this might be in *addition* to a .debug_str section already present
10444 in the main file. Hence we need to have two entries for .debug_str. */
10445 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10448 /* A static assertion. */
10449 extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1];