1 /* dwarf.c -- display DWARF contents of a BFD binary file
2 Copyright (C) 2005-2018 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 static const char * dwo_name;
52 static const char * dwo_dir;
53 static const unsigned char * dwo_id;
54 static bfd_size_type dwo_id_len;
55 static bfd_boolean need_dwo_info;
57 unsigned int eh_addr_size;
62 int do_debug_pubnames;
63 int do_debug_pubtypes;
67 int do_debug_frames_interp;
76 int do_debug_cu_index;
81 int dwarf_cutoff_level = -1;
82 unsigned long dwarf_start_die;
86 /* Convenient constant, to avoid having to cast -1 to dwarf_vma when
87 testing whether e.g. a locview list is present. */
88 static const dwarf_vma vm1 = -1;
90 /* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index
91 sections. For version 1 package files, each set is stored in SHNDX_POOL
92 as a zero-terminated list of section indexes comprising one set of debug
93 sections from a .dwo file. */
95 static unsigned int *shndx_pool = NULL;
96 static unsigned int shndx_pool_size = 0;
97 static unsigned int shndx_pool_used = 0;
99 /* Pointer to a separate file containing extra debug information. */
100 static void * separate_debug_file = NULL;
101 static const char * separate_debug_filename = NULL;
103 /* For version 2 package files, each set contains an array of section offsets
104 and an array of section sizes, giving the offset and size of the
105 contribution from a CU or TU within one of the debug sections.
106 When displaying debug info from a package file, we need to use these
107 tables to locate the corresponding contributions to each section. */
112 dwarf_vma section_offsets[DW_SECT_MAX];
113 size_t section_sizes[DW_SECT_MAX];
116 static int cu_count = 0;
117 static int tu_count = 0;
118 static struct cu_tu_set *cu_sets = NULL;
119 static struct cu_tu_set *tu_sets = NULL;
121 static bfd_boolean load_cu_tu_indexes (void *);
123 /* Values for do_debug_lines. */
124 #define FLAG_DEBUG_LINES_RAW 1
125 #define FLAG_DEBUG_LINES_DECODED 2
128 size_of_encoded_value (int encoding)
130 switch (encoding & 0x7)
133 case 0: return eh_addr_size;
141 get_encoded_value (unsigned char **pdata,
143 struct dwarf_section *section,
146 unsigned char * data = * pdata;
147 unsigned int size = size_of_encoded_value (encoding);
150 if (data + size >= end)
152 warn (_("Encoded value extends past end of section\n"));
157 /* PR 17512: file: 002-829853-0.004. */
160 warn (_("Encoded size of %d is too large to read\n"), size);
165 /* PR 17512: file: 1085-5603-0.004. */
168 warn (_("Encoded size of 0 is too small to read\n"));
173 if (encoding & DW_EH_PE_signed)
174 val = byte_get_signed (data, size);
176 val = byte_get (data, size);
178 if ((encoding & 0x70) == DW_EH_PE_pcrel)
179 val += section->address + (data - section->start);
181 * pdata = data + size;
185 #if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG
187 # define DWARF_VMA_FMT "ll"
188 # define DWARF_VMA_FMT_LONG "%16.16llx"
190 # define DWARF_VMA_FMT "I64"
191 # define DWARF_VMA_FMT_LONG "%016I64x"
194 # define DWARF_VMA_FMT "l"
195 # define DWARF_VMA_FMT_LONG "%16.16lx"
198 /* Convert a dwarf vma value into a string. Returns a pointer to a static
199 buffer containing the converted VALUE. The value is converted according
200 to the printf formating character FMTCH. If NUM_BYTES is non-zero then
201 it specifies the maximum number of bytes to be displayed in the converted
202 value and FMTCH is ignored - hex is always used. */
205 dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes)
207 /* As dwarf_vmatoa is used more then once in a printf call
208 for output, we are cycling through an fixed array of pointers
209 for return address. */
210 static int buf_pos = 0;
211 static struct dwarf_vmatoa_buf
217 ret = buf[buf_pos++].place;
218 buf_pos %= ARRAY_SIZE (buf);
222 /* Printf does not have a way of specifying a maximum field width for an
223 integer value, so we print the full value into a buffer and then select
224 the precision we need. */
225 snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value);
228 return ret + (16 - 2 * num_bytes);
235 sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
237 sprintf (fmt, "%%%s", DWARF_VMA_FMT);
238 snprintf (ret, sizeof (buf[0].place), fmt, value);
243 static inline const char *
244 dwarf_vmatoa (const char * fmtch, dwarf_vma value)
246 return dwarf_vmatoa_1 (fmtch, value, 0);
249 /* Print a dwarf_vma value (typically an address, offset or length) in
250 hexadecimal format, followed by a space. The length of the VALUE (and
251 hence the precision displayed) is determined by the NUM_BYTES parameter. */
254 print_dwarf_vma (dwarf_vma value, unsigned num_bytes)
256 printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes));
259 /* Print a view number in hexadecimal value, with the same width
260 print_dwarf_vma would have printed it with the same num_bytes.
261 Print blanks for zero view, unless force is nonzero. */
264 print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force)
272 assert (value == (unsigned long) value);
274 printf ("v%0*lx ", len - 1, (unsigned long) value);
276 printf ("%*s", len + 1, "");
279 /* Format a 64-bit value, given as two 32-bit values, in hex.
280 For reentrancy, this uses a buffer provided by the caller. */
283 dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf,
284 unsigned int buf_len)
289 snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue);
292 len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue);
293 snprintf (buf + len, buf_len - len,
294 "%08" DWARF_VMA_FMT "x", lvalue);
300 /* Read in a LEB128 encoded value starting at address DATA.
301 If SIGN is true, return a signed LEB128 value.
302 If LENGTH_RETURN is not NULL, return in it the number of bytes read.
303 No bytes will be read at address END or beyond. */
306 read_leb128 (unsigned char *data,
307 unsigned int *length_return,
309 const unsigned char * const end)
311 dwarf_vma result = 0;
312 unsigned int num_read = 0;
313 unsigned int shift = 0;
314 unsigned char byte = 0;
321 result |= ((dwarf_vma) (byte & 0x7f)) << shift;
324 if ((byte & 0x80) == 0)
327 /* PR 17512: file: 0ca183b8.
328 FIXME: Should we signal this error somehow ? */
329 if (shift >= sizeof (result) * 8)
333 if (length_return != NULL)
334 *length_return = num_read;
336 if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
337 result |= -((dwarf_vma) 1 << shift);
342 /* Create a signed version to avoid painful typecasts. */
343 static inline dwarf_signed_vma
344 read_sleb128 (unsigned char * data,
345 unsigned int * length_return,
346 const unsigned char * const end)
348 return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end);
351 static inline dwarf_vma
352 read_uleb128 (unsigned char * data,
353 unsigned int * length_return,
354 const unsigned char * const end)
356 return read_leb128 (data, length_return, FALSE, end);
359 #define SKIP_ULEB() read_uleb128 (start, & length_return, end); start += length_return
360 #define SKIP_SLEB() read_sleb128 (start, & length_return, end); start += length_return
362 #define READ_ULEB(var) \
367 (var) = _val = read_uleb128 (start, &length_return, end); \
369 error (_("Internal error: %s:%d: LEB value (%s) " \
370 "too large for containing variable\n"), \
371 __FILE__, __LINE__, dwarf_vmatoa ("u", _val)); \
372 start += length_return; \
376 #define READ_SLEB(var) \
379 dwarf_signed_vma _val; \
381 (var) = _val = read_sleb128 (start, &length_return, end); \
383 error (_("Internal error: %s:%d: LEB value (%s) " \
384 "too large for containing variable\n"), \
385 __FILE__, __LINE__, dwarf_vmatoa ("d", _val)); \
386 start += length_return; \
390 /* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value.
391 Checks to make sure that the read will not reach or pass END
392 and that VAL is big enough to hold AMOUNT bytes. */
393 #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \
396 unsigned int amount = (AMOUNT); \
397 if (sizeof (VAL) < amount) \
399 error (ngettext ("internal error: attempt to read %d byte " \
400 "of data in to %d sized variable", \
401 "internal error: attempt to read %d bytes " \
402 "of data in to %d sized variable", \
404 amount, (int) sizeof (VAL)); \
405 amount = sizeof (VAL); \
407 if (((PTR) + amount) >= (END)) \
410 amount = (END) - (PTR); \
414 if (amount == 0 || amount > 8) \
417 VAL = byte_get ((PTR), amount); \
421 /* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */
422 #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
425 SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \
430 /* Like SAFE_BYTE_GET, but reads a signed value. */
431 #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \
434 unsigned int amount = (AMOUNT); \
435 if (((PTR) + amount) >= (END)) \
438 amount = (END) - (PTR); \
443 VAL = byte_get_signed ((PTR), amount); \
449 /* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */
450 #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
453 SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \
458 #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \
461 if (((PTR) + 8) <= (END)) \
463 byte_get_64 ((PTR), (HIGH), (LOW)); \
467 * (LOW) = * (HIGH) = 0; \
472 typedef struct State_Machine_Registers
481 unsigned char op_index;
482 unsigned char end_sequence;
483 /* This variable hold the number of the last entry seen
484 in the File Table. */
485 unsigned int last_file_entry;
488 static SMR state_machine_regs;
491 reset_state_machine (int is_stmt)
493 state_machine_regs.address = 0;
494 state_machine_regs.view = 0;
495 state_machine_regs.op_index = 0;
496 state_machine_regs.file = 1;
497 state_machine_regs.line = 1;
498 state_machine_regs.column = 0;
499 state_machine_regs.is_stmt = is_stmt;
500 state_machine_regs.basic_block = 0;
501 state_machine_regs.end_sequence = 0;
502 state_machine_regs.last_file_entry = 0;
505 /* Handled an extend line op.
506 Returns the number of bytes read. */
509 process_extended_line_op (unsigned char * data,
513 unsigned char op_code;
514 unsigned int bytes_read;
517 unsigned char *orig_data = data;
520 len = read_uleb128 (data, & bytes_read, end);
523 if (len == 0 || data == end || len > (uintptr_t) (end - data))
525 warn (_("Badly formed extended line op encountered!\n"));
532 printf (_(" Extended opcode %d: "), op_code);
536 case DW_LNE_end_sequence:
537 printf (_("End of Sequence\n\n"));
538 reset_state_machine (is_stmt);
541 case DW_LNE_set_address:
542 /* PR 17512: file: 002-100480-0.004. */
543 if (len - bytes_read - 1 > 8)
545 warn (_("Length (%d) of DW_LNE_set_address op is too long\n"),
546 len - bytes_read - 1);
550 SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end);
551 printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr));
552 state_machine_regs.address = adr;
553 state_machine_regs.view = 0;
554 state_machine_regs.op_index = 0;
557 case DW_LNE_define_file:
558 printf (_("define new File Table entry\n"));
559 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
560 printf (" %d\t", ++state_machine_regs.last_file_entry);
566 l = strnlen ((char *) data, end - data);
568 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
570 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
572 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
574 printf ("%.*s\n\n", (int) l, name);
577 if (((unsigned int) (data - orig_data) != len) || data == end)
578 warn (_("DW_LNE_define_file: Bad opcode length\n"));
581 case DW_LNE_set_discriminator:
582 printf (_("set Discriminator to %s\n"),
583 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
587 case DW_LNE_HP_negate_is_UV_update:
588 printf ("DW_LNE_HP_negate_is_UV_update\n");
590 case DW_LNE_HP_push_context:
591 printf ("DW_LNE_HP_push_context\n");
593 case DW_LNE_HP_pop_context:
594 printf ("DW_LNE_HP_pop_context\n");
596 case DW_LNE_HP_set_file_line_column:
597 printf ("DW_LNE_HP_set_file_line_column\n");
599 case DW_LNE_HP_set_routine_name:
600 printf ("DW_LNE_HP_set_routine_name\n");
602 case DW_LNE_HP_set_sequence:
603 printf ("DW_LNE_HP_set_sequence\n");
605 case DW_LNE_HP_negate_post_semantics:
606 printf ("DW_LNE_HP_negate_post_semantics\n");
608 case DW_LNE_HP_negate_function_exit:
609 printf ("DW_LNE_HP_negate_function_exit\n");
611 case DW_LNE_HP_negate_front_end_logical:
612 printf ("DW_LNE_HP_negate_front_end_logical\n");
614 case DW_LNE_HP_define_proc:
615 printf ("DW_LNE_HP_define_proc\n");
617 case DW_LNE_HP_source_file_correlation:
619 unsigned char *edata = data + len - bytes_read - 1;
621 printf ("DW_LNE_HP_source_file_correlation\n");
627 opc = read_uleb128 (data, & bytes_read, edata);
632 case DW_LNE_HP_SFC_formfeed:
633 printf (" DW_LNE_HP_SFC_formfeed\n");
635 case DW_LNE_HP_SFC_set_listing_line:
636 printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n",
638 read_uleb128 (data, & bytes_read, edata)));
641 case DW_LNE_HP_SFC_associate:
642 printf (" DW_LNE_HP_SFC_associate ");
645 read_uleb128 (data, & bytes_read, edata)));
649 read_uleb128 (data, & bytes_read, edata)));
653 read_uleb128 (data, & bytes_read, edata)));
657 printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc);
667 unsigned int rlen = len - bytes_read - 1;
669 if (op_code >= DW_LNE_lo_user
670 /* The test against DW_LNW_hi_user is redundant due to
671 the limited range of the unsigned char data type used
673 /*&& op_code <= DW_LNE_hi_user*/)
674 printf (_("user defined: "));
676 printf (_("UNKNOWN: "));
677 printf (_("length %d ["), rlen);
679 printf (" %02x", *data++);
688 static const unsigned char *
689 fetch_indirect_string (dwarf_vma offset)
691 struct dwarf_section *section = &debug_displays [str].section;
692 const unsigned char * ret;
694 if (section->start == NULL)
695 return (const unsigned char *) _("<no .debug_str section>");
697 if (offset >= section->size)
699 warn (_("DW_FORM_strp offset too big: %s\n"),
700 dwarf_vmatoa ("x", offset));
701 return (const unsigned char *) _("<offset is too big>");
704 ret = section->start + offset;
705 /* Unfortunately we cannot rely upon the .debug_str section ending with a
706 NUL byte. Since our caller is expecting to receive a well formed C
707 string we test for the lack of a terminating byte here. */
708 if (strnlen ((const char *) ret, section->size - offset)
709 == section->size - offset)
710 ret = (const unsigned char *)
711 _("<no NUL byte at end of .debug_str section>");
716 static const unsigned char *
717 fetch_indirect_line_string (dwarf_vma offset)
719 struct dwarf_section *section = &debug_displays [line_str].section;
720 const unsigned char * ret;
722 if (section->start == NULL)
723 return (const unsigned char *) _("<no .debug_line_str section>");
725 if (offset >= section->size)
727 warn (_("DW_FORM_line_strp offset too big: %s\n"),
728 dwarf_vmatoa ("x", offset));
729 return (const unsigned char *) _("<offset is too big>");
732 ret = section->start + offset;
733 /* Unfortunately we cannot rely upon the .debug_line_str section ending
734 with a NUL byte. Since our caller is expecting to receive a well formed
735 C string we test for the lack of a terminating byte here. */
736 if (strnlen ((const char *) ret, section->size - offset)
737 == section->size - offset)
738 ret = (const unsigned char *)
739 _("<no NUL byte at end of .debug_line_str section>");
745 fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set,
746 dwarf_vma offset_size, bfd_boolean dwo)
748 enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str;
749 enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index;
750 struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section;
751 struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
752 dwarf_vma index_offset = idx * offset_size;
753 dwarf_vma str_offset;
756 if (index_section->start == NULL)
757 return (dwo ? _("<no .debug_str_offsets.dwo section>")
758 : _("<no .debug_str_offsets section>"));
760 if (this_set != NULL)
761 index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS];
762 if (index_offset >= index_section->size)
764 warn (_("DW_FORM_GNU_str_index offset too big: %s\n"),
765 dwarf_vmatoa ("x", index_offset));
766 return _("<index offset is too big>");
769 if (str_section->start == NULL)
770 return (dwo ? _("<no .debug_str.dwo section>")
771 : _("<no .debug_str section>"));
773 str_offset = byte_get (index_section->start + index_offset, offset_size);
774 str_offset -= str_section->address;
775 if (str_offset >= str_section->size)
777 warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"),
778 dwarf_vmatoa ("x", str_offset));
779 return _("<indirect index offset is too big>");
782 ret = (const char *) str_section->start + str_offset;
783 /* Unfortunately we cannot rely upon str_section ending with a NUL byte.
784 Since our caller is expecting to receive a well formed C string we test
785 for the lack of a terminating byte here. */
786 if (strnlen (ret, str_section->size - str_offset)
787 == str_section->size - str_offset)
788 ret = (const char *) _("<no NUL byte at end of section>");
794 fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes)
796 struct dwarf_section *section = &debug_displays [debug_addr].section;
798 if (section->start == NULL)
799 return (_("<no .debug_addr section>"));
801 if (offset + bytes > section->size)
803 warn (_("Offset into section %s too big: %s\n"),
804 section->name, dwarf_vmatoa ("x", offset));
805 return "<offset too big>";
808 return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes));
812 /* FIXME: There are better and more efficient ways to handle
813 these structures. For now though, I just want something that
814 is simple to implement. */
815 typedef struct abbrev_attr
817 unsigned long attribute;
819 bfd_signed_vma implicit_const;
820 struct abbrev_attr *next;
824 typedef struct abbrev_entry
829 struct abbrev_attr *first_attr;
830 struct abbrev_attr *last_attr;
831 struct abbrev_entry *next;
835 static abbrev_entry *first_abbrev = NULL;
836 static abbrev_entry *last_abbrev = NULL;
843 for (abbrv = first_abbrev; abbrv;)
845 abbrev_entry *next_abbrev = abbrv->next;
848 for (attr = abbrv->first_attr; attr;)
850 abbrev_attr *next_attr = attr->next;
860 last_abbrev = first_abbrev = NULL;
864 add_abbrev (unsigned long number, unsigned long tag, int children)
868 entry = (abbrev_entry *) malloc (sizeof (*entry));
873 entry->entry = number;
875 entry->children = children;
876 entry->first_attr = NULL;
877 entry->last_attr = NULL;
880 if (first_abbrev == NULL)
881 first_abbrev = entry;
883 last_abbrev->next = entry;
889 add_abbrev_attr (unsigned long attribute, unsigned long form,
890 bfd_signed_vma implicit_const)
894 attr = (abbrev_attr *) malloc (sizeof (*attr));
899 attr->attribute = attribute;
901 attr->implicit_const = implicit_const;
904 if (last_abbrev->first_attr == NULL)
905 last_abbrev->first_attr = attr;
907 last_abbrev->last_attr->next = attr;
909 last_abbrev->last_attr = attr;
912 /* Processes the (partial) contents of a .debug_abbrev section.
913 Returns NULL if the end of the section was encountered.
914 Returns the address after the last byte read if the end of
915 an abbreviation set was found. */
917 static unsigned char *
918 process_abbrev_section (unsigned char *start, unsigned char *end)
920 if (first_abbrev != NULL)
925 unsigned int bytes_read;
928 unsigned long attribute;
931 entry = read_uleb128 (start, & bytes_read, end);
934 /* A single zero is supposed to end the section according
935 to the standard. If there's more, then signal that to
942 tag = read_uleb128 (start, & bytes_read, end);
949 add_abbrev (entry, tag, children);
954 /* Initialize it due to a false compiler warning. */
955 bfd_signed_vma implicit_const = -1;
957 attribute = read_uleb128 (start, & bytes_read, end);
962 form = read_uleb128 (start, & bytes_read, end);
967 if (form == DW_FORM_implicit_const)
969 implicit_const = read_sleb128 (start, & bytes_read, end);
975 add_abbrev_attr (attribute, form, implicit_const);
977 while (attribute != 0);
980 /* Report the missing single zero which ends the section. */
981 error (_(".debug_abbrev section not zero terminated\n"));
987 get_TAG_name (unsigned long tag)
989 const char *name = get_DW_TAG_name ((unsigned int) tag);
993 static char buffer[100];
995 if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user)
996 snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag);
998 snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag);
1006 get_FORM_name (unsigned long form)
1011 return "DW_FORM value: 0";
1013 name = get_DW_FORM_name (form);
1016 static char buffer[100];
1018 snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
1026 get_IDX_name (unsigned long idx)
1028 const char *name = get_DW_IDX_name ((unsigned int) idx);
1032 static char buffer[100];
1034 snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx);
1041 static unsigned char *
1042 display_block (unsigned char *data,
1044 const unsigned char * const end, char delimiter)
1048 printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length));
1050 return (unsigned char *) end;
1052 maxlen = (dwarf_vma) (end - data);
1053 length = length > maxlen ? maxlen : length;
1056 printf ("%lx ", (unsigned long) byte_get (data++, 1));
1062 decode_location_expression (unsigned char * data,
1063 unsigned int pointer_size,
1064 unsigned int offset_size,
1067 dwarf_vma cu_offset,
1068 struct dwarf_section * section)
1071 unsigned int bytes_read;
1073 dwarf_signed_vma svalue;
1074 unsigned char *end = data + length;
1075 int need_frame_base = 0;
1084 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1085 printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue));
1088 printf ("DW_OP_deref");
1091 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1092 printf ("DW_OP_const1u: %lu", (unsigned long) uvalue);
1095 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end);
1096 printf ("DW_OP_const1s: %ld", (long) svalue);
1099 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
1100 printf ("DW_OP_const2u: %lu", (unsigned long) uvalue);
1103 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1104 printf ("DW_OP_const2s: %ld", (long) svalue);
1107 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1108 printf ("DW_OP_const4u: %lu", (unsigned long) uvalue);
1111 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1112 printf ("DW_OP_const4s: %ld", (long) svalue);
1115 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1116 printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue);
1117 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1118 printf ("%lu", (unsigned long) uvalue);
1121 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1122 printf ("DW_OP_const8s: %ld ", (long) svalue);
1123 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1124 printf ("%ld", (long) svalue);
1127 printf ("DW_OP_constu: %s",
1128 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1132 printf ("DW_OP_consts: %s",
1133 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
1137 printf ("DW_OP_dup");
1140 printf ("DW_OP_drop");
1143 printf ("DW_OP_over");
1146 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1147 printf ("DW_OP_pick: %ld", (unsigned long) uvalue);
1150 printf ("DW_OP_swap");
1153 printf ("DW_OP_rot");
1156 printf ("DW_OP_xderef");
1159 printf ("DW_OP_abs");
1162 printf ("DW_OP_and");
1165 printf ("DW_OP_div");
1168 printf ("DW_OP_minus");
1171 printf ("DW_OP_mod");
1174 printf ("DW_OP_mul");
1177 printf ("DW_OP_neg");
1180 printf ("DW_OP_not");
1183 printf ("DW_OP_or");
1186 printf ("DW_OP_plus");
1188 case DW_OP_plus_uconst:
1189 printf ("DW_OP_plus_uconst: %s",
1190 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1194 printf ("DW_OP_shl");
1197 printf ("DW_OP_shr");
1200 printf ("DW_OP_shra");
1203 printf ("DW_OP_xor");
1206 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1207 printf ("DW_OP_bra: %ld", (long) svalue);
1210 printf ("DW_OP_eq");
1213 printf ("DW_OP_ge");
1216 printf ("DW_OP_gt");
1219 printf ("DW_OP_le");
1222 printf ("DW_OP_lt");
1225 printf ("DW_OP_ne");
1228 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1229 printf ("DW_OP_skip: %ld", (long) svalue);
1264 printf ("DW_OP_lit%d", op - DW_OP_lit0);
1299 printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0,
1300 regname (op - DW_OP_reg0, 1));
1335 printf ("DW_OP_breg%d (%s): %s",
1337 regname (op - DW_OP_breg0, 1),
1338 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
1343 uvalue = read_uleb128 (data, &bytes_read, end);
1345 printf ("DW_OP_regx: %s (%s)",
1346 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
1349 need_frame_base = 1;
1350 printf ("DW_OP_fbreg: %s",
1351 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
1355 uvalue = read_uleb128 (data, &bytes_read, end);
1357 printf ("DW_OP_bregx: %s (%s) %s",
1358 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1),
1359 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
1363 printf ("DW_OP_piece: %s",
1364 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1367 case DW_OP_deref_size:
1368 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1369 printf ("DW_OP_deref_size: %ld", (long) uvalue);
1371 case DW_OP_xderef_size:
1372 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1373 printf ("DW_OP_xderef_size: %ld", (long) uvalue);
1376 printf ("DW_OP_nop");
1379 /* DWARF 3 extensions. */
1380 case DW_OP_push_object_address:
1381 printf ("DW_OP_push_object_address");
1384 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1385 this ought to be an 8-byte wide computation. */
1386 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1387 printf ("DW_OP_call2: <0x%s>",
1388 dwarf_vmatoa ("x", svalue + cu_offset));
1391 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1392 this ought to be an 8-byte wide computation. */
1393 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1394 printf ("DW_OP_call4: <0x%s>",
1395 dwarf_vmatoa ("x", svalue + cu_offset));
1397 case DW_OP_call_ref:
1398 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1399 this ought to be an 8-byte wide computation. */
1400 if (dwarf_version == -1)
1402 printf (_("(DW_OP_call_ref in frame info)"));
1403 /* No way to tell where the next op is, so just bail. */
1404 return need_frame_base;
1406 if (dwarf_version == 2)
1408 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1412 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1414 printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue));
1416 case DW_OP_form_tls_address:
1417 printf ("DW_OP_form_tls_address");
1419 case DW_OP_call_frame_cfa:
1420 printf ("DW_OP_call_frame_cfa");
1422 case DW_OP_bit_piece:
1423 printf ("DW_OP_bit_piece: ");
1424 printf (_("size: %s "),
1425 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1427 printf (_("offset: %s "),
1428 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
1432 /* DWARF 4 extensions. */
1433 case DW_OP_stack_value:
1434 printf ("DW_OP_stack_value");
1437 case DW_OP_implicit_value:
1438 printf ("DW_OP_implicit_value");
1439 uvalue = read_uleb128 (data, &bytes_read, end);
1441 data = display_block (data, uvalue, end, ' ');
1444 /* GNU extensions. */
1445 case DW_OP_GNU_push_tls_address:
1446 printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"));
1448 case DW_OP_GNU_uninit:
1449 printf ("DW_OP_GNU_uninit");
1450 /* FIXME: Is there data associated with this OP ? */
1452 case DW_OP_GNU_encoded_addr:
1459 addr = get_encoded_value (&data, encoding, section, end);
1461 printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
1462 print_dwarf_vma (addr, pointer_size);
1465 case DW_OP_implicit_pointer:
1466 case DW_OP_GNU_implicit_pointer:
1467 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1468 this ought to be an 8-byte wide computation. */
1469 if (dwarf_version == -1)
1471 printf (_("(%s in frame info)"),
1472 (op == DW_OP_implicit_pointer
1473 ? "DW_OP_implicit_pointer"
1474 : "DW_OP_GNU_implicit_pointer"));
1475 /* No way to tell where the next op is, so just bail. */
1476 return need_frame_base;
1478 if (dwarf_version == 2)
1480 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1484 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1486 printf ("%s: <0x%s> %s",
1487 (op == DW_OP_implicit_pointer
1488 ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"),
1489 dwarf_vmatoa ("x", uvalue),
1490 dwarf_vmatoa ("d", read_sleb128 (data,
1491 &bytes_read, end)));
1494 case DW_OP_entry_value:
1495 case DW_OP_GNU_entry_value:
1496 uvalue = read_uleb128 (data, &bytes_read, end);
1498 /* PR 17531: file: 0cc9cd00. */
1499 if (uvalue > (dwarf_vma) (end - data))
1500 uvalue = end - data;
1501 printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value"
1502 : "DW_OP_GNU_entry_value"));
1503 if (decode_location_expression (data, pointer_size, offset_size,
1504 dwarf_version, uvalue,
1505 cu_offset, section))
1506 need_frame_base = 1;
1512 case DW_OP_const_type:
1513 case DW_OP_GNU_const_type:
1514 uvalue = read_uleb128 (data, &bytes_read, end);
1516 printf ("%s: <0x%s> ",
1517 (op == DW_OP_const_type ? "DW_OP_const_type"
1518 : "DW_OP_GNU_const_type"),
1519 dwarf_vmatoa ("x", cu_offset + uvalue));
1520 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1521 data = display_block (data, uvalue, end, ' ');
1523 case DW_OP_regval_type:
1524 case DW_OP_GNU_regval_type:
1525 uvalue = read_uleb128 (data, &bytes_read, end);
1527 printf ("%s: %s (%s)",
1528 (op == DW_OP_regval_type ? "DW_OP_regval_type"
1529 : "DW_OP_GNU_regval_type"),
1530 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
1531 uvalue = read_uleb128 (data, &bytes_read, end);
1533 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1535 case DW_OP_deref_type:
1536 case DW_OP_GNU_deref_type:
1537 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1539 (op == DW_OP_deref_type ? "DW_OP_deref_type"
1540 : "DW_OP_GNU_deref_type"),
1542 uvalue = read_uleb128 (data, &bytes_read, end);
1544 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1547 case DW_OP_GNU_convert:
1548 uvalue = read_uleb128 (data, &bytes_read, end);
1550 printf ("%s <0x%s>",
1551 (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"),
1552 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
1554 case DW_OP_reinterpret:
1555 case DW_OP_GNU_reinterpret:
1556 uvalue = read_uleb128 (data, &bytes_read, end);
1558 printf ("%s <0x%s>",
1559 (op == DW_OP_reinterpret ? "DW_OP_reinterpret"
1560 : "DW_OP_GNU_reinterpret"),
1561 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
1563 case DW_OP_GNU_parameter_ref:
1564 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1565 printf ("DW_OP_GNU_parameter_ref: <0x%s>",
1566 dwarf_vmatoa ("x", cu_offset + uvalue));
1568 case DW_OP_GNU_addr_index:
1569 uvalue = read_uleb128 (data, &bytes_read, end);
1571 printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1573 case DW_OP_GNU_const_index:
1574 uvalue = read_uleb128 (data, &bytes_read, end);
1576 printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1578 case DW_OP_GNU_variable_value:
1579 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1580 this ought to be an 8-byte wide computation. */
1581 if (dwarf_version == -1)
1583 printf (_("(DW_OP_GNU_variable_value in frame info)"));
1584 /* No way to tell where the next op is, so just bail. */
1585 return need_frame_base;
1587 if (dwarf_version == 2)
1589 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1593 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1595 printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue));
1598 /* HP extensions. */
1599 case DW_OP_HP_is_value:
1600 printf ("DW_OP_HP_is_value");
1601 /* FIXME: Is there data associated with this OP ? */
1603 case DW_OP_HP_fltconst4:
1604 printf ("DW_OP_HP_fltconst4");
1605 /* FIXME: Is there data associated with this OP ? */
1607 case DW_OP_HP_fltconst8:
1608 printf ("DW_OP_HP_fltconst8");
1609 /* FIXME: Is there data associated with this OP ? */
1611 case DW_OP_HP_mod_range:
1612 printf ("DW_OP_HP_mod_range");
1613 /* FIXME: Is there data associated with this OP ? */
1615 case DW_OP_HP_unmod_range:
1616 printf ("DW_OP_HP_unmod_range");
1617 /* FIXME: Is there data associated with this OP ? */
1620 printf ("DW_OP_HP_tls");
1621 /* FIXME: Is there data associated with this OP ? */
1624 /* PGI (STMicroelectronics) extensions. */
1625 case DW_OP_PGI_omp_thread_num:
1626 /* Pushes the thread number for the current thread as it would be
1627 returned by the standard OpenMP library function:
1628 omp_get_thread_num(). The "current thread" is the thread for
1629 which the expression is being evaluated. */
1630 printf ("DW_OP_PGI_omp_thread_num");
1634 if (op >= DW_OP_lo_user
1635 && op <= DW_OP_hi_user)
1636 printf (_("(User defined location op 0x%x)"), op);
1638 printf (_("(Unknown location op 0x%x)"), op);
1639 /* No way to tell where the next op is, so just bail. */
1640 return need_frame_base;
1643 /* Separate the ops. */
1648 return need_frame_base;
1651 /* Find the CU or TU set corresponding to the given CU_OFFSET.
1652 This is used for DWARF package files. */
1654 static struct cu_tu_set *
1655 find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types)
1657 struct cu_tu_set *p;
1659 unsigned int dw_sect;
1665 dw_sect = DW_SECT_TYPES;
1671 dw_sect = DW_SECT_INFO;
1675 if (p->section_offsets [dw_sect] == cu_offset)
1683 /* Add INC to HIGH_BITS:LOW_BITS. */
1685 add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc)
1687 dwarf_vma tmp = * low_bits;
1691 /* FIXME: There is probably a better way of handling this:
1693 We need to cope with dwarf_vma being a 32-bit or 64-bit
1694 type. Plus regardless of its size LOW_BITS is meant to
1695 only hold 32-bits, so if there is overflow or wrap around
1696 we must propagate into HIGH_BITS. */
1697 if (tmp < * low_bits)
1701 else if (sizeof (tmp) > 8
1712 fetch_alt_indirect_string (dwarf_vma offset)
1714 struct dwarf_section * section;
1717 if (! do_follow_links)
1720 if (separate_debug_file == NULL)
1721 return _("<following link not possible>");
1723 if (! load_debug_section (separate_debug_str, separate_debug_file))
1724 return _("<could not load separate string section>");
1726 section = &debug_displays [separate_debug_str].section;
1727 if (section->start == NULL)
1728 return _("<no .debug_str section>");
1730 if (offset >= section->size)
1732 warn (_("DW_FORM_GNU_strp_alt offset too big: %s\n"), dwarf_vmatoa ("x", offset));
1733 return _("<offset is too big>");
1736 ret = (const char *) (section->start + offset);
1737 /* Unfortunately we cannot rely upon the .debug_str section ending with a
1738 NUL byte. Since our caller is expecting to receive a well formed C
1739 string we test for the lack of a terminating byte here. */
1740 if (strnlen ((const char *) ret, section->size - offset)
1741 == section->size - offset)
1742 return _("<no NUL byte at end of .debug_str section>");
1748 get_AT_name (unsigned long attribute)
1753 return "DW_AT value: 0";
1755 /* One value is shared by the MIPS and HP extensions: */
1756 if (attribute == DW_AT_MIPS_fde)
1757 return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
1759 name = get_DW_AT_name (attribute);
1763 static char buffer[100];
1765 snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
1773 static unsigned char *
1774 read_and_display_attr_value (unsigned long attribute,
1776 dwarf_signed_vma implicit_const,
1777 unsigned char * data,
1778 unsigned char * end,
1779 dwarf_vma cu_offset,
1780 dwarf_vma pointer_size,
1781 dwarf_vma offset_size,
1783 debug_info * debug_info_p,
1785 struct dwarf_section * section,
1786 struct cu_tu_set * this_set,
1789 dwarf_vma uvalue = 0;
1790 unsigned char *block_start = NULL;
1791 unsigned char * orig_data = data;
1792 unsigned int bytes_read;
1794 if (data > end || (data == end && form != DW_FORM_flag_present))
1796 warn (_("Corrupt attribute\n"));
1805 case DW_FORM_ref_addr:
1806 if (dwarf_version == 2)
1807 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1808 else if (dwarf_version == 3 || dwarf_version == 4)
1809 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1811 error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
1816 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1820 case DW_FORM_line_strp:
1821 case DW_FORM_sec_offset:
1822 case DW_FORM_GNU_ref_alt:
1823 case DW_FORM_GNU_strp_alt:
1824 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1827 case DW_FORM_flag_present:
1834 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1839 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
1844 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1848 uvalue = read_sleb128 (data, & bytes_read, end);
1852 case DW_FORM_GNU_str_index:
1853 uvalue = read_uleb128 (data, & bytes_read, end);
1857 case DW_FORM_ref_udata:
1859 uvalue = read_uleb128 (data, & bytes_read, end);
1863 case DW_FORM_indirect:
1864 form = read_uleb128 (data, & bytes_read, end);
1867 printf ("%c%s", delimiter, get_FORM_name (form));
1868 if (form == DW_FORM_implicit_const)
1870 implicit_const = read_sleb128 (data, & bytes_read, end);
1873 return read_and_display_attr_value (attribute, form, implicit_const, data,
1874 end, cu_offset, pointer_size,
1875 offset_size, dwarf_version,
1876 debug_info_p, do_loc,
1877 section, this_set, delimiter);
1878 case DW_FORM_GNU_addr_index:
1879 uvalue = read_uleb128 (data, & bytes_read, end);
1886 case DW_FORM_ref_addr:
1888 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
1891 case DW_FORM_GNU_ref_alt:
1893 printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
1894 /* FIXME: Follow the reference... */
1900 case DW_FORM_ref_udata:
1902 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset));
1907 case DW_FORM_sec_offset:
1909 printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue));
1912 case DW_FORM_flag_present:
1919 printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue));
1922 case DW_FORM_implicit_const:
1924 printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const));
1931 dwarf_vma high_bits;
1935 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
1937 if (form == DW_FORM_ref8)
1938 add64 (& high_bits, & utmp, cu_offset);
1939 printf ("%c0x%s", delimiter,
1940 dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf)));
1943 if ((do_loc || do_debug_loc || do_debug_ranges)
1944 && num_debug_info_entries == 0)
1946 if (sizeof (uvalue) == 8)
1947 SAFE_BYTE_GET (uvalue, data, 8, end);
1949 error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n"));
1955 case DW_FORM_data16:
1958 dwarf_vma left_high_bits, left_low_bits;
1959 dwarf_vma right_high_bits, right_low_bits;
1961 SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end);
1962 SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end);
1963 if (byte_get == byte_get_little_endian)
1966 left_high_bits ^= right_high_bits;
1967 right_high_bits ^= left_high_bits;
1968 left_high_bits ^= right_high_bits;
1969 left_low_bits ^= right_low_bits;
1970 right_low_bits ^= left_low_bits;
1971 left_low_bits ^= right_low_bits;
1973 printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x"
1974 "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x",
1975 left_high_bits, left_low_bits, right_high_bits,
1981 case DW_FORM_string:
1983 printf ("%c%.*s", delimiter, (int) (end - data), data);
1984 data += strnlen ((char *) data, end - data) + 1;
1988 case DW_FORM_exprloc:
1989 uvalue = read_uleb128 (data, & bytes_read, end);
1990 block_start = data + bytes_read;
1991 if (block_start >= end)
1993 warn (_("Block ends prematurely\n"));
1997 /* FIXME: Testing "(block_start + uvalue) < block_start" miscompiles with
1998 gcc 4.8.3 running on an x86_64 host in 32-bit mode. So we pre-compute
1999 block_start + uvalue here. */
2000 data = block_start + uvalue;
2001 /* PR 17512: file: 008-103549-0.001:0.1. */
2002 if (block_start + uvalue > end || data < block_start)
2004 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2005 uvalue = end - block_start;
2008 data = block_start + uvalue;
2010 data = display_block (block_start, uvalue, end, delimiter);
2013 case DW_FORM_block1:
2014 SAFE_BYTE_GET (uvalue, data, 1, end);
2015 block_start = data + 1;
2016 if (block_start >= end)
2018 warn (_("Block ends prematurely\n"));
2022 data = block_start + uvalue;
2023 if (block_start + uvalue > end || data < block_start)
2025 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2026 uvalue = end - block_start;
2029 data = block_start + uvalue;
2031 data = display_block (block_start, uvalue, end, delimiter);
2034 case DW_FORM_block2:
2035 SAFE_BYTE_GET (uvalue, data, 2, end);
2036 block_start = data + 2;
2037 if (block_start >= end)
2039 warn (_("Block ends prematurely\n"));
2043 data = block_start + uvalue;
2044 if (block_start + uvalue > end || data < block_start)
2046 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2047 uvalue = end - block_start;
2050 data = block_start + uvalue;
2052 data = display_block (block_start, uvalue, end, delimiter);
2055 case DW_FORM_block4:
2056 SAFE_BYTE_GET (uvalue, data, 4, end);
2057 block_start = data + 4;
2058 /* PR 17512: file: 3371-3907-0.004. */
2059 if (block_start >= end)
2061 warn (_("Block ends prematurely\n"));
2065 data = block_start + uvalue;
2066 if (block_start + uvalue > end
2067 /* PR 17531: file: 5b5f0592. */
2068 || data < block_start)
2070 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2071 uvalue = end - block_start;
2074 data = block_start + uvalue;
2076 data = display_block (block_start, uvalue, end, delimiter);
2081 printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter,
2082 dwarf_vmatoa ("x", uvalue),
2083 fetch_indirect_string (uvalue));
2086 case DW_FORM_line_strp:
2088 printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter,
2089 dwarf_vmatoa ("x", uvalue),
2090 fetch_indirect_line_string (uvalue));
2093 case DW_FORM_GNU_str_index:
2096 const char * suffix = strrchr (section->name, '.');
2097 bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE;
2099 printf (_("%c(indexed string: 0x%s): %s"), delimiter,
2100 dwarf_vmatoa ("x", uvalue),
2101 fetch_indexed_string (uvalue, this_set, offset_size, dwo));
2105 case DW_FORM_GNU_strp_alt:
2108 printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter,
2109 dwarf_vmatoa ("x", uvalue),
2110 fetch_alt_indirect_string (uvalue));
2114 case DW_FORM_indirect:
2115 /* Handled above. */
2118 case DW_FORM_ref_sig8:
2121 dwarf_vma high_bits;
2124 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
2125 printf ("%csignature: 0x%s", delimiter,
2126 dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
2131 case DW_FORM_GNU_addr_index:
2133 printf (_("%c(addr_index: 0x%s): %s"), delimiter,
2134 dwarf_vmatoa ("x", uvalue),
2135 fetch_indexed_value (uvalue * pointer_size, pointer_size));
2139 warn (_("Unrecognized form: %lu\n"), form);
2143 if ((do_loc || do_debug_loc || do_debug_ranges)
2144 && num_debug_info_entries == 0
2145 && debug_info_p != NULL)
2149 case DW_AT_frame_base:
2150 have_frame_base = 1;
2152 case DW_AT_location:
2153 case DW_AT_GNU_locviews:
2154 case DW_AT_string_length:
2155 case DW_AT_return_addr:
2156 case DW_AT_data_member_location:
2157 case DW_AT_vtable_elem_location:
2159 case DW_AT_static_link:
2160 case DW_AT_use_location:
2161 case DW_AT_call_value:
2162 case DW_AT_GNU_call_site_value:
2163 case DW_AT_call_data_value:
2164 case DW_AT_GNU_call_site_data_value:
2165 case DW_AT_call_target:
2166 case DW_AT_GNU_call_site_target:
2167 case DW_AT_call_target_clobbered:
2168 case DW_AT_GNU_call_site_target_clobbered:
2169 if ((dwarf_version < 4
2170 && (form == DW_FORM_data4 || form == DW_FORM_data8))
2171 || form == DW_FORM_sec_offset)
2173 /* Process location list. */
2174 unsigned int lmax = debug_info_p->max_loc_offsets;
2175 unsigned int num = debug_info_p->num_loc_offsets;
2177 if (lmax == 0 || num >= lmax)
2180 debug_info_p->loc_offsets = (dwarf_vma *)
2181 xcrealloc (debug_info_p->loc_offsets,
2182 lmax, sizeof (*debug_info_p->loc_offsets));
2183 debug_info_p->loc_views = (dwarf_vma *)
2184 xcrealloc (debug_info_p->loc_views,
2185 lmax, sizeof (*debug_info_p->loc_views));
2186 debug_info_p->have_frame_base = (int *)
2187 xcrealloc (debug_info_p->have_frame_base,
2188 lmax, sizeof (*debug_info_p->have_frame_base));
2189 debug_info_p->max_loc_offsets = lmax;
2191 if (this_set != NULL)
2192 uvalue += this_set->section_offsets [DW_SECT_LOC];
2193 debug_info_p->have_frame_base [num] = have_frame_base;
2194 if (attribute != DW_AT_GNU_locviews)
2196 /* Corrupt DWARF info can produce more offsets than views.
2197 See PR 23062 for an example. */
2198 if (debug_info_p->num_loc_offsets
2199 > debug_info_p->num_loc_views)
2200 warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n"));
2203 debug_info_p->loc_offsets [num] = uvalue;
2204 debug_info_p->num_loc_offsets++;
2209 assert (debug_info_p->num_loc_views <= num);
2210 num = debug_info_p->num_loc_views;
2211 if (num > debug_info_p->num_loc_offsets)
2212 warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n"));
2215 debug_info_p->loc_views [num] = uvalue;
2216 debug_info_p->num_loc_views++;
2223 if (need_base_address)
2224 debug_info_p->base_address = uvalue;
2227 case DW_AT_GNU_addr_base:
2228 debug_info_p->addr_base = uvalue;
2231 case DW_AT_GNU_ranges_base:
2232 debug_info_p->ranges_base = uvalue;
2236 if ((dwarf_version < 4
2237 && (form == DW_FORM_data4 || form == DW_FORM_data8))
2238 || form == DW_FORM_sec_offset)
2240 /* Process range list. */
2241 unsigned int lmax = debug_info_p->max_range_lists;
2242 unsigned int num = debug_info_p->num_range_lists;
2244 if (lmax == 0 || num >= lmax)
2247 debug_info_p->range_lists = (dwarf_vma *)
2248 xcrealloc (debug_info_p->range_lists,
2249 lmax, sizeof (*debug_info_p->range_lists));
2250 debug_info_p->max_range_lists = lmax;
2252 debug_info_p->range_lists [num] = uvalue;
2253 debug_info_p->num_range_lists++;
2257 case DW_AT_GNU_dwo_name:
2258 case DW_AT_dwo_name:
2263 dwo_name = (const char *) fetch_indirect_string (uvalue);
2265 case DW_FORM_GNU_str_index:
2266 dwo_name = fetch_indexed_string (uvalue, this_set, offset_size, FALSE);
2268 case DW_FORM_string:
2269 dwo_name = (const char *) orig_data;
2272 warn (_("Unsupported form (%s) for attribute %s\n"),
2273 get_FORM_name (form), get_AT_name (attribute));
2274 dwo_name = _("<unknown>");
2279 case DW_AT_comp_dir:
2280 /* FIXME: Also extract a build-id in a CU/TU. */
2285 dwo_dir = (const char *) fetch_indirect_string (uvalue);
2287 case DW_FORM_line_strp:
2288 dwo_dir = (const char *) fetch_indirect_line_string (uvalue);
2290 case DW_FORM_GNU_str_index:
2291 dwo_dir = fetch_indexed_string (uvalue, this_set, offset_size, FALSE);
2293 case DW_FORM_string:
2294 dwo_dir = (const char *) orig_data;
2297 warn (_("Unsupported form (%s) for attribute %s\n"),
2298 get_FORM_name (form), get_AT_name (attribute));
2299 dwo_dir = _("<unknown>");
2304 case DW_AT_GNU_dwo_id:
2313 warn (_("Unsupported form (%s) for attribute %s\n"),
2314 get_FORM_name (form), get_AT_name (attribute));
2325 if (do_loc || attribute == 0)
2328 /* For some attributes we can display further information. */
2335 case DW_INL_not_inlined:
2336 printf (_("(not inlined)"));
2338 case DW_INL_inlined:
2339 printf (_("(inlined)"));
2341 case DW_INL_declared_not_inlined:
2342 printf (_("(declared as inline but ignored)"));
2344 case DW_INL_declared_inlined:
2345 printf (_("(declared as inline and inlined)"));
2348 printf (_(" (Unknown inline attribute value: %s)"),
2349 dwarf_vmatoa ("x", uvalue));
2354 case DW_AT_language:
2358 /* Ordered by the numeric value of these constants. */
2359 case DW_LANG_C89: printf ("(ANSI C)"); break;
2360 case DW_LANG_C: printf ("(non-ANSI C)"); break;
2361 case DW_LANG_Ada83: printf ("(Ada)"); break;
2362 case DW_LANG_C_plus_plus: printf ("(C++)"); break;
2363 case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
2364 case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
2365 case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
2366 case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
2367 case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
2368 case DW_LANG_Modula2: printf ("(Modula 2)"); break;
2369 /* DWARF 2.1 values. */
2370 case DW_LANG_Java: printf ("(Java)"); break;
2371 case DW_LANG_C99: printf ("(ANSI C99)"); break;
2372 case DW_LANG_Ada95: printf ("(ADA 95)"); break;
2373 case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
2374 /* DWARF 3 values. */
2375 case DW_LANG_PLI: printf ("(PLI)"); break;
2376 case DW_LANG_ObjC: printf ("(Objective C)"); break;
2377 case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break;
2378 case DW_LANG_UPC: printf ("(Unified Parallel C)"); break;
2379 case DW_LANG_D: printf ("(D)"); break;
2380 /* DWARF 4 values. */
2381 case DW_LANG_Python: printf ("(Python)"); break;
2382 /* DWARF 5 values. */
2383 case DW_LANG_OpenCL: printf ("(OpenCL)"); break;
2384 case DW_LANG_Go: printf ("(Go)"); break;
2385 case DW_LANG_Modula3: printf ("(Modula 3)"); break;
2386 case DW_LANG_Haskell: printf ("(Haskell)"); break;
2387 case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break;
2388 case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break;
2389 case DW_LANG_OCaml: printf ("(OCaml)"); break;
2390 case DW_LANG_Rust: printf ("(Rust)"); break;
2391 case DW_LANG_C11: printf ("(C11)"); break;
2392 case DW_LANG_Swift: printf ("(Swift)"); break;
2393 case DW_LANG_Julia: printf ("(Julia)"); break;
2394 case DW_LANG_Dylan: printf ("(Dylan)"); break;
2395 case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break;
2396 case DW_LANG_Fortran03: printf ("(Fortran 03)"); break;
2397 case DW_LANG_Fortran08: printf ("(Fortran 08)"); break;
2398 case DW_LANG_RenderScript: printf ("(RenderScript)"); break;
2399 /* MIPS extension. */
2400 case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
2401 /* UPC extension. */
2402 case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
2404 if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
2405 printf (_("(implementation defined: %s)"),
2406 dwarf_vmatoa ("x", uvalue));
2408 printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue));
2413 case DW_AT_encoding:
2417 case DW_ATE_void: printf ("(void)"); break;
2418 case DW_ATE_address: printf ("(machine address)"); break;
2419 case DW_ATE_boolean: printf ("(boolean)"); break;
2420 case DW_ATE_complex_float: printf ("(complex float)"); break;
2421 case DW_ATE_float: printf ("(float)"); break;
2422 case DW_ATE_signed: printf ("(signed)"); break;
2423 case DW_ATE_signed_char: printf ("(signed char)"); break;
2424 case DW_ATE_unsigned: printf ("(unsigned)"); break;
2425 case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
2426 /* DWARF 2.1 values: */
2427 case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
2428 case DW_ATE_decimal_float: printf ("(decimal float)"); break;
2429 /* DWARF 3 values: */
2430 case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break;
2431 case DW_ATE_numeric_string: printf ("(numeric_string)"); break;
2432 case DW_ATE_edited: printf ("(edited)"); break;
2433 case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break;
2434 case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break;
2435 /* DWARF 4 values: */
2436 case DW_ATE_UTF: printf ("(unicode string)"); break;
2437 /* DWARF 5 values: */
2438 case DW_ATE_UCS: printf ("(UCS)"); break;
2439 case DW_ATE_ASCII: printf ("(ASCII)"); break;
2441 /* HP extensions: */
2442 case DW_ATE_HP_float80: printf ("(HP_float80)"); break;
2443 case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break;
2444 case DW_ATE_HP_float128: printf ("(HP_float128)"); break;
2445 case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break;
2446 case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break;
2447 case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break;
2448 case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break;
2451 if (uvalue >= DW_ATE_lo_user
2452 && uvalue <= DW_ATE_hi_user)
2453 printf (_("(user defined type)"));
2455 printf (_("(unknown type)"));
2460 case DW_AT_accessibility:
2464 case DW_ACCESS_public: printf ("(public)"); break;
2465 case DW_ACCESS_protected: printf ("(protected)"); break;
2466 case DW_ACCESS_private: printf ("(private)"); break;
2468 printf (_("(unknown accessibility)"));
2473 case DW_AT_visibility:
2477 case DW_VIS_local: printf ("(local)"); break;
2478 case DW_VIS_exported: printf ("(exported)"); break;
2479 case DW_VIS_qualified: printf ("(qualified)"); break;
2480 default: printf (_("(unknown visibility)")); break;
2484 case DW_AT_endianity:
2488 case DW_END_default: printf ("(default)"); break;
2489 case DW_END_big: printf ("(big)"); break;
2490 case DW_END_little: printf ("(little)"); break;
2492 if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user)
2493 printf (_("(user specified)"));
2495 printf (_("(unknown endianity)"));
2500 case DW_AT_virtuality:
2504 case DW_VIRTUALITY_none: printf ("(none)"); break;
2505 case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
2506 case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
2507 default: printf (_("(unknown virtuality)")); break;
2511 case DW_AT_identifier_case:
2515 case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
2516 case DW_ID_up_case: printf ("(up_case)"); break;
2517 case DW_ID_down_case: printf ("(down_case)"); break;
2518 case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
2519 default: printf (_("(unknown case)")); break;
2523 case DW_AT_calling_convention:
2527 case DW_CC_normal: printf ("(normal)"); break;
2528 case DW_CC_program: printf ("(program)"); break;
2529 case DW_CC_nocall: printf ("(nocall)"); break;
2530 case DW_CC_pass_by_reference: printf ("(pass by ref)"); break;
2531 case DW_CC_pass_by_value: printf ("(pass by value)"); break;
2532 case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break;
2533 case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break;
2535 if (uvalue >= DW_CC_lo_user
2536 && uvalue <= DW_CC_hi_user)
2537 printf (_("(user defined)"));
2539 printf (_("(unknown convention)"));
2543 case DW_AT_ordering:
2548 case -1: printf (_("(undefined)")); break;
2549 case 0: printf ("(row major)"); break;
2550 case 1: printf ("(column major)"); break;
2554 case DW_AT_decimal_sign:
2558 case DW_DS_unsigned: printf (_("(unsigned)")); break;
2559 case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break;
2560 case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break;
2561 case DW_DS_leading_separate: printf (_("(leading separate)")); break;
2562 case DW_DS_trailing_separate: printf (_("(trailing separate)")); break;
2563 default: printf (_("(unrecognised)")); break;
2567 case DW_AT_defaulted:
2571 case DW_DEFAULTED_no: printf (_("(no)")); break;
2572 case DW_DEFAULTED_in_class: printf (_("(in class)")); break;
2573 case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break;
2574 default: printf (_("(unrecognised)")); break;
2578 case DW_AT_discr_list:
2582 case DW_DSC_label: printf (_("(label)")); break;
2583 case DW_DSC_range: printf (_("(range)")); break;
2584 default: printf (_("(unrecognised)")); break;
2588 case DW_AT_frame_base:
2589 have_frame_base = 1;
2591 case DW_AT_location:
2592 case DW_AT_string_length:
2593 case DW_AT_return_addr:
2594 case DW_AT_data_member_location:
2595 case DW_AT_vtable_elem_location:
2597 case DW_AT_static_link:
2598 case DW_AT_use_location:
2599 case DW_AT_call_value:
2600 case DW_AT_GNU_call_site_value:
2601 case DW_AT_call_data_value:
2602 case DW_AT_GNU_call_site_data_value:
2603 case DW_AT_call_target:
2604 case DW_AT_GNU_call_site_target:
2605 case DW_AT_call_target_clobbered:
2606 case DW_AT_GNU_call_site_target_clobbered:
2607 if ((dwarf_version < 4
2608 && (form == DW_FORM_data4 || form == DW_FORM_data8))
2609 || form == DW_FORM_sec_offset)
2610 printf (_(" (location list)"));
2612 case DW_AT_allocated:
2613 case DW_AT_associated:
2614 case DW_AT_data_location:
2616 case DW_AT_upper_bound:
2617 case DW_AT_lower_bound:
2620 int need_frame_base;
2623 need_frame_base = decode_location_expression (block_start,
2628 cu_offset, section);
2630 if (need_frame_base && !have_frame_base)
2631 printf (_(" [without DW_AT_frame_base]"));
2635 case DW_AT_data_bit_offset:
2636 case DW_AT_byte_size:
2637 case DW_AT_bit_size:
2638 case DW_AT_string_length_byte_size:
2639 case DW_AT_string_length_bit_size:
2640 case DW_AT_bit_stride:
2641 if (form == DW_FORM_exprloc)
2644 (void) decode_location_expression (block_start, pointer_size,
2645 offset_size, dwarf_version,
2646 uvalue, cu_offset, section);
2653 if (form == DW_FORM_ref_sig8
2654 || form == DW_FORM_GNU_ref_alt)
2657 if (form == DW_FORM_ref1
2658 || form == DW_FORM_ref2
2659 || form == DW_FORM_ref4
2660 || form == DW_FORM_ref_udata)
2661 uvalue += cu_offset;
2663 if (uvalue >= section->size)
2664 warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"),
2665 dwarf_vmatoa ("x", uvalue),
2666 (unsigned long) (orig_data - section->start));
2669 unsigned long abbrev_number;
2670 abbrev_entry * entry;
2672 abbrev_number = read_uleb128 (section->start + uvalue, NULL, end);
2674 printf (_("\t[Abbrev Number: %ld"), abbrev_number);
2675 /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will
2676 use different abbrev table, and we don't track .debug_info chunks
2678 if (form != DW_FORM_ref_addr)
2680 for (entry = first_abbrev; entry != NULL; entry = entry->next)
2681 if (entry->entry == abbrev_number)
2684 printf (" (%s)", get_TAG_name (entry->tag));
2698 static unsigned char *
2699 read_and_display_attr (unsigned long attribute,
2701 dwarf_signed_vma implicit_const,
2702 unsigned char * data,
2703 unsigned char * end,
2704 dwarf_vma cu_offset,
2705 dwarf_vma pointer_size,
2706 dwarf_vma offset_size,
2708 debug_info * debug_info_p,
2710 struct dwarf_section * section,
2711 struct cu_tu_set * this_set)
2714 printf (" %-18s:", get_AT_name (attribute));
2715 data = read_and_display_attr_value (attribute, form, implicit_const, data, end,
2716 cu_offset, pointer_size, offset_size,
2717 dwarf_version, debug_info_p,
2718 do_loc, section, this_set, ' ');
2724 /* Like load_debug_section, but if the ordinary call fails, and we are
2725 following debug links, and we have been able to load a separate debug
2726 info file, then attempt to load the requested section from the separate
2730 load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum,
2733 if (load_debug_section (sec_enum, data))
2735 if (data == separate_debug_file)
2736 debug_displays[sec_enum].section.filename = separate_debug_filename;
2738 /* FIXME: We should check to see if there is a separate debug info file
2739 that also contains this section, and if so, issue a warning. */
2743 if (do_follow_links && separate_debug_file != NULL)
2744 if (load_debug_section (sec_enum, separate_debug_file))
2746 debug_displays[sec_enum].section.filename = separate_debug_filename;
2754 introduce (struct dwarf_section * section, bfd_boolean raw)
2758 if (do_follow_links && section->filename)
2759 printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"),
2760 section->name, section->filename);
2762 printf (_("Raw dump of debug contents of section %s:\n\n"), section->name);
2766 if (do_follow_links && section->filename)
2767 printf (_("Contents of the %s section (loaded from %s):\n\n"),
2768 section->name, section->filename);
2770 printf (_("Contents of the %s section:\n\n"), section->name);
2774 /* Process the contents of a .debug_info section.
2775 If do_loc is TRUE then we are scanning for location lists and dwo tags
2776 and we do not want to display anything to the user.
2777 If do_types is TRUE, we are processing a .debug_types section instead of
2778 a .debug_info section.
2779 The information displayed is restricted by the values in DWARF_START_DIE
2780 and DWARF_CUTOFF_LEVEL.
2781 Returns TRUE upon success. Otherwise an error or warning message is
2782 printed and FALSE is returned. */
2785 process_debug_info (struct dwarf_section * section,
2787 enum dwarf_section_display_enum abbrev_sec,
2789 bfd_boolean do_types)
2791 unsigned char *start = section->start;
2792 unsigned char *end = start + section->size;
2793 unsigned char *section_begin;
2795 unsigned int num_units = 0;
2797 if ((do_loc || do_debug_loc || do_debug_ranges)
2798 && num_debug_info_entries == 0
2803 /* First scan the section to get the number of comp units. */
2804 for (section_begin = start, num_units = 0; section_begin < end;
2807 /* Read the first 4 bytes. For a 32-bit DWARF section, this
2808 will be the length. For a 64-bit DWARF section, it'll be
2809 the escape code 0xffffffff followed by an 8 byte length. */
2810 SAFE_BYTE_GET (length, section_begin, 4, end);
2812 if (length == 0xffffffff)
2814 SAFE_BYTE_GET (length, section_begin + 4, 8, end);
2815 section_begin += length + 12;
2817 else if (length >= 0xfffffff0 && length < 0xffffffff)
2819 warn (_("Reserved length value (0x%s) found in section %s\n"),
2820 dwarf_vmatoa ("x", length), section->name);
2824 section_begin += length + 4;
2826 /* Negative values are illegal, they may even cause infinite
2827 looping. This can happen if we can't accurately apply
2828 relocations to an object file, or if the file is corrupt. */
2829 if ((signed long) length <= 0 || section_begin < start)
2831 warn (_("Corrupt unit length (0x%s) found in section %s\n"),
2832 dwarf_vmatoa ("x", length), section->name);
2839 error (_("No comp units in %s section ?\n"), section->name);
2843 /* Then allocate an array to hold the information. */
2844 debug_information = (debug_info *) cmalloc (num_units,
2845 sizeof (* debug_information));
2846 if (debug_information == NULL)
2848 error (_("Not enough memory for a debug info array of %u entries\n"),
2850 alloc_num_debug_info_entries = num_debug_info_entries = 0;
2854 /* PR 17531: file: 92ca3797.
2855 We cannot rely upon the debug_information array being initialised
2856 before it is used. A corrupt file could easily contain references
2857 to a unit for which information has not been made available. So
2858 we ensure that the array is zeroed here. */
2859 memset (debug_information, 0, num_units * sizeof (*debug_information));
2861 alloc_num_debug_info_entries = num_units;
2866 load_debug_section_with_follow (str, file);
2867 load_debug_section_with_follow (line_str, file);
2868 load_debug_section_with_follow (str_dwo, file);
2869 load_debug_section_with_follow (str_index, file);
2870 load_debug_section_with_follow (str_index_dwo, file);
2871 load_debug_section_with_follow (debug_addr, file);
2874 load_debug_section_with_follow (abbrev_sec, file);
2875 if (debug_displays [abbrev_sec].section.start == NULL)
2877 warn (_("Unable to locate %s section!\n"),
2878 debug_displays [abbrev_sec].section.uncompressed_name);
2882 if (!do_loc && dwarf_start_die == 0)
2883 introduce (section, FALSE);
2885 for (section_begin = start, unit = 0; start < end; unit++)
2887 DWARF2_Internal_CompUnit compunit;
2888 unsigned char *hdrptr;
2889 unsigned char *tags;
2890 int level, last_level, saved_level;
2891 dwarf_vma cu_offset;
2892 unsigned long sec_off;
2893 unsigned int offset_size;
2894 unsigned int initial_length_size;
2895 dwarf_vma signature_high = 0;
2896 dwarf_vma signature_low = 0;
2897 dwarf_vma type_offset = 0;
2898 struct cu_tu_set *this_set;
2899 dwarf_vma abbrev_base;
2904 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end);
2906 if (compunit.cu_length == 0xffffffff)
2908 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end);
2910 initial_length_size = 12;
2915 initial_length_size = 4;
2918 SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end);
2920 cu_offset = start - section_begin;
2922 this_set = find_cu_tu_set_v2 (cu_offset, do_types);
2924 if (compunit.cu_version < 5)
2926 compunit.cu_unit_type = DW_UT_compile;
2927 /* Initialize it due to a false compiler warning. */
2928 compunit.cu_pointer_size = -1;
2932 SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end);
2933 do_types = (compunit.cu_unit_type == DW_UT_type);
2935 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
2938 SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end);
2940 if (this_set == NULL)
2943 abbrev_size = debug_displays [abbrev_sec].section.size;
2947 abbrev_base = this_set->section_offsets [DW_SECT_ABBREV];
2948 abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
2951 if (compunit.cu_version < 5)
2952 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
2954 /* PR 17512: file: 001-108546-0.001:0.1. */
2955 if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8)
2957 warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"),
2958 compunit.cu_pointer_size, offset_size);
2959 compunit.cu_pointer_size = offset_size;
2964 SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end);
2966 SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end);
2969 if (dwarf_start_die > (cu_offset + compunit.cu_length
2970 + initial_length_size))
2972 start = section_begin + cu_offset + compunit.cu_length
2973 + initial_length_size;
2977 if ((do_loc || do_debug_loc || do_debug_ranges)
2978 && num_debug_info_entries == 0
2981 debug_information [unit].cu_offset = cu_offset;
2982 debug_information [unit].pointer_size
2983 = compunit.cu_pointer_size;
2984 debug_information [unit].offset_size = offset_size;
2985 debug_information [unit].dwarf_version = compunit.cu_version;
2986 debug_information [unit].base_address = 0;
2987 debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE;
2988 debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE;
2989 debug_information [unit].loc_offsets = NULL;
2990 debug_information [unit].have_frame_base = NULL;
2991 debug_information [unit].max_loc_offsets = 0;
2992 debug_information [unit].num_loc_offsets = 0;
2993 debug_information [unit].range_lists = NULL;
2994 debug_information [unit].max_range_lists= 0;
2995 debug_information [unit].num_range_lists = 0;
2998 if (!do_loc && dwarf_start_die == 0)
3000 printf (_(" Compilation Unit @ offset 0x%s:\n"),
3001 dwarf_vmatoa ("x", cu_offset));
3002 printf (_(" Length: 0x%s (%s)\n"),
3003 dwarf_vmatoa ("x", compunit.cu_length),
3004 offset_size == 8 ? "64-bit" : "32-bit");
3005 printf (_(" Version: %d\n"), compunit.cu_version);
3006 printf (_(" Abbrev Offset: 0x%s\n"),
3007 dwarf_vmatoa ("x", compunit.cu_abbrev_offset));
3008 printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
3013 printf (_(" Signature: 0x%s\n"),
3014 dwarf_vmatoa64 (signature_high, signature_low,
3015 buf, sizeof (buf)));
3016 printf (_(" Type Offset: 0x%s\n"),
3017 dwarf_vmatoa ("x", type_offset));
3019 if (this_set != NULL)
3021 dwarf_vma *offsets = this_set->section_offsets;
3022 size_t *sizes = this_set->section_sizes;
3024 printf (_(" Section contributions:\n"));
3025 printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"),
3026 dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]),
3027 dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV]));
3028 printf (_(" .debug_line.dwo: 0x%s 0x%s\n"),
3029 dwarf_vmatoa ("x", offsets [DW_SECT_LINE]),
3030 dwarf_vmatoa ("x", sizes [DW_SECT_LINE]));
3031 printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"),
3032 dwarf_vmatoa ("x", offsets [DW_SECT_LOC]),
3033 dwarf_vmatoa ("x", sizes [DW_SECT_LOC]));
3034 printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"),
3035 dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]),
3036 dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS]));
3040 sec_off = cu_offset + initial_length_size;
3041 if (sec_off + compunit.cu_length < sec_off
3042 || sec_off + compunit.cu_length > section->size)
3044 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
3046 (unsigned long) cu_offset,
3047 dwarf_vmatoa ("x", compunit.cu_length));
3053 start += compunit.cu_length + initial_length_size;
3055 if (compunit.cu_version < 2 || compunit.cu_version > 5)
3057 warn (_("CU at offset %s contains corrupt or "
3058 "unsupported version number: %d.\n"),
3059 dwarf_vmatoa ("x", cu_offset), compunit.cu_version);
3063 if (compunit.cu_unit_type != DW_UT_compile
3064 && compunit.cu_unit_type != DW_UT_type)
3066 warn (_("CU at offset %s contains corrupt or "
3067 "unsupported unit type: %d.\n"),
3068 dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type);
3074 /* Process the abbrevs used by this compilation unit. */
3075 if (compunit.cu_abbrev_offset >= abbrev_size)
3076 warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"),
3077 (unsigned long) compunit.cu_abbrev_offset,
3078 (unsigned long) abbrev_size);
3079 /* PR 17531: file:4bcd9ce9. */
3080 else if ((abbrev_base + abbrev_size)
3081 > debug_displays [abbrev_sec].section.size)
3082 warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"),
3083 (unsigned long) abbrev_base + abbrev_size,
3084 (unsigned long) debug_displays [abbrev_sec].section.size);
3086 process_abbrev_section
3087 (((unsigned char *) debug_displays [abbrev_sec].section.start
3088 + abbrev_base + compunit.cu_abbrev_offset),
3089 ((unsigned char *) debug_displays [abbrev_sec].section.start
3090 + abbrev_base + abbrev_size));
3095 while (tags < start)
3097 unsigned int bytes_read;
3098 unsigned long abbrev_number;
3099 unsigned long die_offset;
3100 abbrev_entry *entry;
3102 int do_printing = 1;
3104 die_offset = tags - section_begin;
3106 abbrev_number = read_uleb128 (tags, & bytes_read, start);
3109 /* A null DIE marks the end of a list of siblings or it may also be
3110 a section padding. */
3111 if (abbrev_number == 0)
3113 /* Check if it can be a section padding for the last CU. */
3114 if (level == 0 && start == end)
3118 for (chk = tags; chk < start; chk++)
3125 if (!do_loc && die_offset >= dwarf_start_die
3126 && (dwarf_cutoff_level == -1
3127 || level < dwarf_cutoff_level))
3128 printf (_(" <%d><%lx>: Abbrev Number: 0\n"),
3134 static unsigned num_bogus_warns = 0;
3136 if (num_bogus_warns < 3)
3138 warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"),
3139 die_offset, section->name);
3141 if (num_bogus_warns == 3)
3142 warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
3145 if (dwarf_start_die != 0 && level < saved_level)
3152 if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
3156 if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
3157 saved_level = level;
3158 do_printing = (dwarf_cutoff_level == -1
3159 || level < dwarf_cutoff_level);
3161 printf (_(" <%d><%lx>: Abbrev Number: %lu"),
3162 level, die_offset, abbrev_number);
3163 else if (dwarf_cutoff_level == -1
3164 || last_level < dwarf_cutoff_level)
3165 printf (_(" <%d><%lx>: ...\n"), level, die_offset);
3170 /* Scan through the abbreviation list until we reach the
3172 for (entry = first_abbrev;
3173 entry && entry->entry != abbrev_number;
3174 entry = entry->next)
3179 if (!do_loc && do_printing)
3184 warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"),
3185 die_offset, abbrev_number);
3189 if (!do_loc && do_printing)
3190 printf (" (%s)\n", get_TAG_name (entry->tag));
3195 need_base_address = 0;
3197 case DW_TAG_compile_unit:
3198 need_base_address = 1;
3199 need_dwo_info = do_loc;
3201 case DW_TAG_entry_point:
3202 case DW_TAG_subprogram:
3203 need_base_address = 0;
3204 /* Assuming that there is no DW_AT_frame_base. */
3205 have_frame_base = 0;
3209 debug_info *debug_info_p =
3210 (debug_information && unit < alloc_num_debug_info_entries)
3211 ? debug_information + unit : NULL;
3213 assert (!debug_info_p
3214 || (debug_info_p->num_loc_offsets
3215 == debug_info_p->num_loc_views));
3217 for (attr = entry->first_attr;
3218 attr && attr->attribute;
3221 if (! do_loc && do_printing)
3222 /* Show the offset from where the tag was extracted. */
3223 printf (" <%lx>", (unsigned long)(tags - section_begin));
3225 tags = read_and_display_attr (attr->attribute,
3227 attr->implicit_const,
3231 compunit.cu_pointer_size,
3233 compunit.cu_version,
3235 do_loc || ! do_printing,
3240 /* If a locview attribute appears before a location one,
3241 make sure we don't associate it with an earlier
3244 switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views)
3247 debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1;
3248 debug_info_p->num_loc_views++;
3249 assert (debug_info_p->num_loc_views
3250 == debug_info_p->num_loc_offsets);
3257 warn(_("DIE has locviews without loclist\n"));
3258 debug_info_p->num_loc_views--;
3265 if (entry->children)
3270 /* Set num_debug_info_entries here so that it can be used to check if
3271 we need to process .debug_loc and .debug_ranges sections. */
3272 if ((do_loc || do_debug_loc || do_debug_ranges)
3273 && num_debug_info_entries == 0
3276 if (num_units > alloc_num_debug_info_entries)
3277 num_debug_info_entries = alloc_num_debug_info_entries;
3279 num_debug_info_entries = num_units;
3288 /* Locate and scan the .debug_info section in the file and record the pointer
3289 sizes and offsets for the compilation units in it. Usually an executable
3290 will have just one pointer size, but this is not guaranteed, and so we try
3291 not to make any assumptions. Returns zero upon failure, or the number of
3292 compilation units upon success. */
3295 load_debug_info (void * file)
3297 /* If we have already tried and failed to load the .debug_info
3298 section then do not bother to repeat the task. */
3299 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
3302 /* If we already have the information there is nothing else to do. */
3303 if (num_debug_info_entries > 0)
3304 return num_debug_info_entries;
3306 /* If this is a DWARF package file, load the CU and TU indexes. */
3307 (void) load_cu_tu_indexes (file);
3309 if (load_debug_section_with_follow (info, file)
3310 && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE))
3311 return num_debug_info_entries;
3313 if (load_debug_section_with_follow (info_dwo, file)
3314 && process_debug_info (&debug_displays [info_dwo].section, file,
3315 abbrev_dwo, TRUE, FALSE))
3316 return num_debug_info_entries;
3318 num_debug_info_entries = DEBUG_INFO_UNAVAILABLE;
3322 /* Read a DWARF .debug_line section header starting at DATA.
3323 Upon success returns an updated DATA pointer and the LINFO
3324 structure and the END_OF_SEQUENCE pointer will be filled in.
3325 Otherwise returns NULL. */
3327 static unsigned char *
3328 read_debug_line_header (struct dwarf_section * section,
3329 unsigned char * data,
3330 unsigned char * end,
3331 DWARF2_Internal_LineInfo * linfo,
3332 unsigned char ** end_of_sequence)
3334 unsigned char *hdrptr;
3335 unsigned int initial_length_size;
3336 unsigned char address_size, segment_selector_size;
3338 /* Extract information from the Line Number Program Header.
3339 (section 6.2.4 in the Dwarf3 doc). */
3342 /* Get and check the length of the block. */
3343 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end);
3345 if (linfo->li_length == 0xffffffff)
3347 /* This section is 64-bit DWARF 3. */
3348 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
3349 linfo->li_offset_size = 8;
3350 initial_length_size = 12;
3354 linfo->li_offset_size = 4;
3355 initial_length_size = 4;
3358 if (linfo->li_length + initial_length_size > section->size)
3360 /* If the length field has a relocation against it, then we should
3361 not complain if it is inaccurate (and probably negative). This
3362 happens in object files when the .debug_line section is actually
3363 comprised of several different .debug_line.* sections, (some of
3364 which may be removed by linker garbage collection), and a relocation
3365 is used to compute the correct length once that is done. */
3366 if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size))
3368 linfo->li_length = (end - data) - initial_length_size;
3372 warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"),
3373 (long) linfo->li_length);
3378 /* Get and check the version number. */
3379 SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end);
3381 if (linfo->li_version != 2
3382 && linfo->li_version != 3
3383 && linfo->li_version != 4
3384 && linfo->li_version != 5)
3386 warn (_("Only DWARF version 2, 3, 4 and 5 line info "
3387 "is currently supported.\n"));
3391 if (linfo->li_version >= 5)
3393 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
3395 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
3396 if (segment_selector_size != 0)
3398 warn (_("The %s section contains "
3399 "unsupported segment selector size: %d.\n"),
3400 section->name, segment_selector_size);
3405 SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr,
3406 linfo->li_offset_size, end);
3407 SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
3409 if (linfo->li_version >= 4)
3411 SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end);
3413 if (linfo->li_max_ops_per_insn == 0)
3415 warn (_("Invalid maximum operations per insn.\n"));
3420 linfo->li_max_ops_per_insn = 1;
3422 SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end);
3423 SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end);
3424 SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end);
3425 SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end);
3427 * end_of_sequence = data + linfo->li_length + initial_length_size;
3428 /* PR 17512: file:002-117414-0.004. */
3429 if (* end_of_sequence > end)
3431 warn (_("Line length %s extends beyond end of section\n"),
3432 dwarf_vmatoa ("u", linfo->li_length));
3433 * end_of_sequence = end;
3440 static unsigned char *
3441 display_formatted_table (unsigned char * data,
3442 unsigned char * start,
3443 unsigned char * end,
3444 const DWARF2_Internal_LineInfo * linfo,
3445 struct dwarf_section * section,
3448 unsigned char *format_start, format_count, *format, formati;
3449 dwarf_vma data_count, datai;
3450 unsigned int bytes_read, namepass, last_entry = 0;
3452 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
3453 format_start = data;
3454 for (formati = 0; formati < format_count; formati++)
3456 read_uleb128 (data, & bytes_read, end);
3458 read_uleb128 (data, & bytes_read, end);
3463 warn (_("Corrupt directory format table entry\n"));
3465 warn (_("Corrupt file name format table entry\n"));
3470 data_count = read_uleb128 (data, & bytes_read, end);
3475 warn (_("Corrupt directory list\n"));
3477 warn (_("Corrupt file name list\n"));
3481 if (data_count == 0)
3484 printf (_("\n The Directory Table is empty.\n"));
3486 printf (_("\n The File Name Table is empty.\n"));
3491 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3492 (long) (data - start));
3494 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3495 (long) (data - start));
3497 printf (_(" Entry"));
3498 /* Delay displaying name as the last entry for better screen layout. */
3499 for (namepass = 0; namepass < 2; namepass++)
3501 format = format_start;
3502 for (formati = 0; formati < format_count; formati++)
3504 dwarf_vma content_type;
3506 content_type = read_uleb128 (format, & bytes_read, end);
3507 format += bytes_read;
3508 if ((content_type == DW_LNCT_path) == (namepass == 1))
3509 switch (content_type)
3512 printf (_("\tName"));
3514 case DW_LNCT_directory_index:
3515 printf (_("\tDir"));
3517 case DW_LNCT_timestamp:
3518 printf (_("\tTime"));
3521 printf (_("\tSize"));
3524 printf (_("\tMD5"));
3527 printf (_("\t(Unknown format content type %s)"),
3528 dwarf_vmatoa ("u", content_type));
3530 read_uleb128 (format, & bytes_read, end);
3531 format += bytes_read;
3536 for (datai = 0; datai < data_count; datai++)
3538 unsigned char *datapass = data;
3540 printf (" %d", last_entry++);
3541 /* Delay displaying name as the last entry for better screen layout. */
3542 for (namepass = 0; namepass < 2; namepass++)
3544 format = format_start;
3546 for (formati = 0; formati < format_count; formati++)
3548 dwarf_vma content_type, form;
3550 content_type = read_uleb128 (format, & bytes_read, end);
3551 format += bytes_read;
3552 form = read_uleb128 (format, & bytes_read, end);
3553 format += bytes_read;
3554 data = read_and_display_attr_value (0, form, 0, data, end, 0, 0,
3555 linfo->li_offset_size,
3556 linfo->li_version, NULL,
3557 ((content_type == DW_LNCT_path) != (namepass == 1)),
3558 section, NULL, '\t');
3564 warn (_("Corrupt directory entries list\n"));
3566 warn (_("Corrupt file name entries list\n"));
3575 display_debug_lines_raw (struct dwarf_section * section,
3576 unsigned char * data,
3577 unsigned char * end,
3580 unsigned char *start = section->start;
3581 int verbose_view = 0;
3583 introduce (section, TRUE);
3587 static DWARF2_Internal_LineInfo saved_linfo;
3588 DWARF2_Internal_LineInfo linfo;
3589 unsigned char *standard_opcodes;
3590 unsigned char *end_of_sequence;
3593 if (const_strneq (section->name, ".debug_line.")
3594 /* Note: the following does not apply to .debug_line.dwo sections.
3595 These are full debug_line sections. */
3596 && strcmp (section->name, ".debug_line.dwo") != 0)
3598 /* Sections named .debug_line.<foo> are fragments of a .debug_line
3599 section containing just the Line Number Statements. They are
3600 created by the assembler and intended to be used alongside gcc's
3601 -ffunction-sections command line option. When the linker's
3602 garbage collection decides to discard a .text.<foo> section it
3603 can then also discard the line number information in .debug_line.<foo>.
3605 Since the section is a fragment it does not have the details
3606 needed to fill out a LineInfo structure, so instead we use the
3607 details from the last full debug_line section that we processed. */
3608 end_of_sequence = end;
3609 standard_opcodes = NULL;
3610 linfo = saved_linfo;
3611 /* PR 17531: file: 0522b371. */
3612 if (linfo.li_line_range == 0)
3614 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
3617 reset_state_machine (linfo.li_default_is_stmt);
3621 unsigned char * hdrptr;
3623 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
3624 & end_of_sequence)) == NULL)
3627 printf (_(" Offset: 0x%lx\n"), (long)(data - start));
3628 printf (_(" Length: %ld\n"), (long) linfo.li_length);
3629 printf (_(" DWARF Version: %d\n"), linfo.li_version);
3630 printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length);
3631 printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
3632 if (linfo.li_version >= 4)
3633 printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
3634 printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
3635 printf (_(" Line Base: %d\n"), linfo.li_line_base);
3636 printf (_(" Line Range: %d\n"), linfo.li_line_range);
3637 printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
3639 /* PR 17512: file: 1665-6428-0.004. */
3640 if (linfo.li_line_range == 0)
3642 warn (_("Line range of 0 is invalid, using 1 instead\n"));
3643 linfo.li_line_range = 1;
3646 reset_state_machine (linfo.li_default_is_stmt);
3648 /* Display the contents of the Opcodes table. */
3649 standard_opcodes = hdrptr;
3651 /* PR 17512: file: 002-417945-0.004. */
3652 if (standard_opcodes + linfo.li_opcode_base >= end)
3654 warn (_("Line Base extends beyond end of section\n"));
3658 printf (_("\n Opcodes:\n"));
3660 for (i = 1; i < linfo.li_opcode_base; i++)
3661 printf (ngettext (" Opcode %d has %d arg\n",
3662 " Opcode %d has %d args\n",
3663 standard_opcodes[i - 1]),
3664 i, standard_opcodes[i - 1]);
3666 /* Display the contents of the Directory table. */
3667 data = standard_opcodes + linfo.li_opcode_base - 1;
3669 if (linfo.li_version >= 5)
3671 load_debug_section_with_follow (line_str, file);
3673 data = display_formatted_table (data, start, end, &linfo, section,
3675 data = display_formatted_table (data, start, end, &linfo, section,
3681 printf (_("\n The Directory Table is empty.\n"));
3684 unsigned int last_dir_entry = 0;
3686 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3687 (long)(data - start));
3689 while (data < end && *data != 0)
3691 printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
3693 data += strnlen ((char *) data, end - data) + 1;
3696 /* PR 17512: file: 002-132094-0.004. */
3697 if (data >= end - 1)
3701 /* Skip the NUL at the end of the table. */
3704 /* Display the contents of the File Name table. */
3706 printf (_("\n The File Name Table is empty.\n"));
3709 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3710 (long)(data - start));
3711 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
3713 while (data < end && *data != 0)
3715 unsigned char *name;
3716 unsigned int bytes_read;
3718 printf (" %d\t", ++state_machine_regs.last_file_entry);
3720 data += strnlen ((char *) data, end - data) + 1;
3723 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3726 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3729 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3731 printf ("%.*s\n", (int)(end - name), name);
3735 warn (_("Corrupt file name table entry\n"));
3741 /* Skip the NUL at the end of the table. */
3746 saved_linfo = linfo;
3749 /* Now display the statements. */
3750 if (data >= end_of_sequence)
3751 printf (_(" No Line Number Statements.\n"));
3754 printf (_(" Line Number Statements:\n"));
3756 while (data < end_of_sequence)
3758 unsigned char op_code;
3759 dwarf_signed_vma adv;
3761 unsigned int bytes_read;
3763 printf (" [0x%08lx]", (long)(data - start));
3767 if (op_code >= linfo.li_opcode_base)
3769 op_code -= linfo.li_opcode_base;
3770 uladv = (op_code / linfo.li_line_range);
3771 if (linfo.li_max_ops_per_insn == 1)
3773 uladv *= linfo.li_min_insn_length;
3774 state_machine_regs.address += uladv;
3776 state_machine_regs.view = 0;
3777 printf (_(" Special opcode %d: "
3778 "advance Address by %s to 0x%s%s"),
3779 op_code, dwarf_vmatoa ("u", uladv),
3780 dwarf_vmatoa ("x", state_machine_regs.address),
3781 verbose_view && uladv
3782 ? _(" (reset view)") : "");
3787 = ((state_machine_regs.op_index + uladv)
3788 / linfo.li_max_ops_per_insn)
3789 * linfo.li_min_insn_length;
3791 state_machine_regs.address += addrdelta;
3792 state_machine_regs.op_index
3793 = (state_machine_regs.op_index + uladv)
3794 % linfo.li_max_ops_per_insn;
3796 state_machine_regs.view = 0;
3797 printf (_(" Special opcode %d: "
3798 "advance Address by %s to 0x%s[%d]%s"),
3799 op_code, dwarf_vmatoa ("u", uladv),
3800 dwarf_vmatoa ("x", state_machine_regs.address),
3801 state_machine_regs.op_index,
3802 verbose_view && addrdelta
3803 ? _(" (reset view)") : "");
3805 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
3806 state_machine_regs.line += adv;
3807 printf (_(" and Line by %s to %d"),
3808 dwarf_vmatoa ("d", adv), state_machine_regs.line);
3809 if (verbose_view || state_machine_regs.view)
3810 printf (_(" (view %u)\n"), state_machine_regs.view);
3813 state_machine_regs.view++;
3815 else switch (op_code)
3817 case DW_LNS_extended_op:
3818 data += process_extended_line_op (data, linfo.li_default_is_stmt, end);
3822 printf (_(" Copy"));
3823 if (verbose_view || state_machine_regs.view)
3824 printf (_(" (view %u)\n"), state_machine_regs.view);
3827 state_machine_regs.view++;
3830 case DW_LNS_advance_pc:
3831 uladv = read_uleb128 (data, & bytes_read, end);
3833 if (linfo.li_max_ops_per_insn == 1)
3835 uladv *= linfo.li_min_insn_length;
3836 state_machine_regs.address += uladv;
3838 state_machine_regs.view = 0;
3839 printf (_(" Advance PC by %s to 0x%s%s\n"),
3840 dwarf_vmatoa ("u", uladv),
3841 dwarf_vmatoa ("x", state_machine_regs.address),
3842 verbose_view && uladv
3843 ? _(" (reset view)") : "");
3848 = ((state_machine_regs.op_index + uladv)
3849 / linfo.li_max_ops_per_insn)
3850 * linfo.li_min_insn_length;
3851 state_machine_regs.address
3853 state_machine_regs.op_index
3854 = (state_machine_regs.op_index + uladv)
3855 % linfo.li_max_ops_per_insn;
3857 state_machine_regs.view = 0;
3858 printf (_(" Advance PC by %s to 0x%s[%d]%s\n"),
3859 dwarf_vmatoa ("u", uladv),
3860 dwarf_vmatoa ("x", state_machine_regs.address),
3861 state_machine_regs.op_index,
3862 verbose_view && addrdelta
3863 ? _(" (reset view)") : "");
3867 case DW_LNS_advance_line:
3868 adv = read_sleb128 (data, & bytes_read, end);
3870 state_machine_regs.line += adv;
3871 printf (_(" Advance Line by %s to %d\n"),
3872 dwarf_vmatoa ("d", adv),
3873 state_machine_regs.line);
3876 case DW_LNS_set_file:
3877 adv = read_uleb128 (data, & bytes_read, end);
3879 printf (_(" Set File Name to entry %s in the File Name Table\n"),
3880 dwarf_vmatoa ("d", adv));
3881 state_machine_regs.file = adv;
3884 case DW_LNS_set_column:
3885 uladv = read_uleb128 (data, & bytes_read, end);
3887 printf (_(" Set column to %s\n"),
3888 dwarf_vmatoa ("u", uladv));
3889 state_machine_regs.column = uladv;
3892 case DW_LNS_negate_stmt:
3893 adv = state_machine_regs.is_stmt;
3895 printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
3896 state_machine_regs.is_stmt = adv;
3899 case DW_LNS_set_basic_block:
3900 printf (_(" Set basic block\n"));
3901 state_machine_regs.basic_block = 1;
3904 case DW_LNS_const_add_pc:
3905 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
3906 if (linfo.li_max_ops_per_insn)
3908 uladv *= linfo.li_min_insn_length;
3909 state_machine_regs.address += uladv;
3911 state_machine_regs.view = 0;
3912 printf (_(" Advance PC by constant %s to 0x%s%s\n"),
3913 dwarf_vmatoa ("u", uladv),
3914 dwarf_vmatoa ("x", state_machine_regs.address),
3915 verbose_view && uladv
3916 ? _(" (reset view)") : "");
3921 = ((state_machine_regs.op_index + uladv)
3922 / linfo.li_max_ops_per_insn)
3923 * linfo.li_min_insn_length;
3924 state_machine_regs.address
3926 state_machine_regs.op_index
3927 = (state_machine_regs.op_index + uladv)
3928 % linfo.li_max_ops_per_insn;
3930 state_machine_regs.view = 0;
3931 printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"),
3932 dwarf_vmatoa ("u", uladv),
3933 dwarf_vmatoa ("x", state_machine_regs.address),
3934 state_machine_regs.op_index,
3935 verbose_view && addrdelta
3936 ? _(" (reset view)") : "");
3940 case DW_LNS_fixed_advance_pc:
3941 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
3942 state_machine_regs.address += uladv;
3943 state_machine_regs.op_index = 0;
3944 printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
3945 dwarf_vmatoa ("u", uladv),
3946 dwarf_vmatoa ("x", state_machine_regs.address));
3947 /* Do NOT reset view. */
3950 case DW_LNS_set_prologue_end:
3951 printf (_(" Set prologue_end to true\n"));
3954 case DW_LNS_set_epilogue_begin:
3955 printf (_(" Set epilogue_begin to true\n"));
3958 case DW_LNS_set_isa:
3959 uladv = read_uleb128 (data, & bytes_read, end);
3961 printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
3965 printf (_(" Unknown opcode %d with operands: "), op_code);
3967 if (standard_opcodes != NULL)
3968 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
3970 printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
3972 i == 1 ? "" : ", ");
3988 unsigned char *name;
3989 unsigned int directory_index;
3990 unsigned int modification_date;
3991 unsigned int length;
3994 /* Output a decoded representation of the .debug_line section. */
3997 display_debug_lines_decoded (struct dwarf_section * section,
3998 unsigned char * data,
3999 unsigned char * end,
4002 static DWARF2_Internal_LineInfo saved_linfo;
4004 introduce (section, FALSE);
4008 /* This loop amounts to one iteration per compilation unit. */
4009 DWARF2_Internal_LineInfo linfo;
4010 unsigned char *standard_opcodes;
4011 unsigned char *end_of_sequence;
4013 File_Entry *file_table = NULL;
4014 unsigned int n_files = 0;
4015 unsigned char **directory_table = NULL;
4016 dwarf_vma n_directories = 0;
4018 if (const_strneq (section->name, ".debug_line.")
4019 /* Note: the following does not apply to .debug_line.dwo sections.
4020 These are full debug_line sections. */
4021 && strcmp (section->name, ".debug_line.dwo") != 0)
4023 /* See comment in display_debug_lines_raw(). */
4024 end_of_sequence = end;
4025 standard_opcodes = NULL;
4026 linfo = saved_linfo;
4027 /* PR 17531: file: 0522b371. */
4028 if (linfo.li_line_range == 0)
4030 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
4033 reset_state_machine (linfo.li_default_is_stmt);
4037 unsigned char *hdrptr;
4039 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
4040 & end_of_sequence)) == NULL)
4043 /* PR 17531: file: 0522b371. */
4044 if (linfo.li_line_range == 0)
4046 warn (_("Line range of 0 is invalid, using 1 instead\n"));
4047 linfo.li_line_range = 1;
4049 reset_state_machine (linfo.li_default_is_stmt);
4051 /* Save a pointer to the contents of the Opcodes table. */
4052 standard_opcodes = hdrptr;
4054 /* Traverse the Directory table just to count entries. */
4055 data = standard_opcodes + linfo.li_opcode_base - 1;
4059 warn (_("opcode base of %d extends beyond end of section\n"),
4060 linfo.li_opcode_base);
4064 if (linfo.li_version >= 5)
4066 unsigned char *format_start, format_count, *format;
4067 dwarf_vma formati, entryi;
4068 unsigned int bytes_read;
4070 load_debug_section_with_follow (line_str, fileptr);
4072 /* Skip directories format. */
4073 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4074 format_start = data;
4075 for (formati = 0; formati < format_count; formati++)
4077 read_uleb128 (data, & bytes_read, end);
4079 read_uleb128 (data, & bytes_read, end);
4083 n_directories = read_uleb128 (data, & bytes_read, end);
4087 warn (_("Corrupt directories list\n"));
4091 directory_table = (unsigned char **)
4092 xmalloc (n_directories * sizeof (unsigned char *));
4094 for (entryi = 0; entryi < n_directories; entryi++)
4096 unsigned char **pathp = &directory_table[entryi];
4098 format = format_start;
4099 for (formati = 0; formati < format_count; formati++)
4101 dwarf_vma content_type, form;
4104 content_type = read_uleb128 (format, & bytes_read, end);
4105 format += bytes_read;
4106 form = read_uleb128 (format, & bytes_read, end);
4107 format += bytes_read;
4110 warn (_("Corrupt directories list\n"));
4113 switch (content_type)
4118 case DW_FORM_string:
4121 case DW_FORM_line_strp:
4122 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4124 /* Remove const by the cast. */
4125 *pathp = (unsigned char *)
4126 fetch_indirect_line_string (uvalue);
4131 data = read_and_display_attr_value (0, form, 0, data, end,
4133 linfo.li_offset_size,
4140 warn (_("Corrupt directories list\n"));
4145 /* Skip files format. */
4146 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4147 format_start = data;
4148 for (formati = 0; formati < format_count; formati++)
4150 read_uleb128 (data, & bytes_read, end);
4152 read_uleb128 (data, & bytes_read, end);
4156 n_files = read_uleb128 (data, & bytes_read, end);
4160 warn (_("Corrupt file name list\n"));
4164 file_table = (File_Entry *) xcalloc (1, n_files
4165 * sizeof (File_Entry));
4167 for (entryi = 0; entryi < n_files; entryi++)
4169 File_Entry *file = &file_table[entryi];
4171 format = format_start;
4172 for (formati = 0; formati < format_count; formati++)
4174 dwarf_vma content_type, form;
4177 content_type = read_uleb128 (format, & bytes_read, end);
4178 format += bytes_read;
4179 form = read_uleb128 (format, & bytes_read, end);
4180 format += bytes_read;
4183 warn (_("Corrupt file name list\n"));
4186 switch (content_type)
4191 case DW_FORM_string:
4194 case DW_FORM_line_strp:
4195 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4197 /* Remove const by the cast. */
4198 file->name = (unsigned char *)
4199 fetch_indirect_line_string (uvalue);
4203 case DW_LNCT_directory_index:
4207 SAFE_BYTE_GET (file->directory_index, data, 1,
4211 SAFE_BYTE_GET (file->directory_index, data, 2,
4215 file->directory_index = read_uleb128 (data, NULL,
4221 data = read_and_display_attr_value (0, form, 0, data, end,
4223 linfo.li_offset_size,
4230 warn (_("Corrupt file name list\n"));
4239 unsigned char *ptr_directory_table = data;
4241 while (data < end && *data != 0)
4243 data += strnlen ((char *) data, end - data) + 1;
4250 warn (_("directory table ends unexpectedly\n"));
4255 /* Go through the directory table again to save the directories. */
4256 directory_table = (unsigned char **)
4257 xmalloc (n_directories * sizeof (unsigned char *));
4260 while (*ptr_directory_table != 0)
4262 directory_table[i] = ptr_directory_table;
4263 ptr_directory_table += strnlen ((char *) ptr_directory_table,
4264 ptr_directory_table - end) + 1;
4268 /* Skip the NUL at the end of the table. */
4271 /* Traverse the File Name table just to count the entries. */
4272 if (data < end && *data != 0)
4274 unsigned char *ptr_file_name_table = data;
4276 while (data < end && *data != 0)
4278 unsigned int bytes_read;
4280 /* Skip Name, directory index, last modification time and length
4282 data += strnlen ((char *) data, end - data) + 1;
4283 read_uleb128 (data, & bytes_read, end);
4285 read_uleb128 (data, & bytes_read, end);
4287 read_uleb128 (data, & bytes_read, end);
4295 warn (_("file table ends unexpectedly\n"));
4300 /* Go through the file table again to save the strings. */
4301 file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
4304 while (*ptr_file_name_table != 0)
4306 unsigned int bytes_read;
4308 file_table[i].name = ptr_file_name_table;
4309 ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
4310 end - ptr_file_name_table) + 1;
4312 /* We are not interested in directory, time or size. */
4313 file_table[i].directory_index = read_uleb128 (ptr_file_name_table,
4315 ptr_file_name_table += bytes_read;
4316 file_table[i].modification_date = read_uleb128 (ptr_file_name_table,
4318 ptr_file_name_table += bytes_read;
4319 file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end);
4320 ptr_file_name_table += bytes_read;
4326 /* Skip the NUL at the end of the table. */
4330 /* Print the Compilation Unit's name and a header. */
4331 if (file_table == NULL)
4333 else if (directory_table == NULL)
4334 printf (_("CU: %s:\n"), file_table[0].name);
4337 unsigned int ix = file_table[0].directory_index;
4338 const char *directory;
4343 else if (n_directories == 0)
4344 directory = _("<unknown>");
4345 else if (ix > n_directories)
4347 warn (_("directory index %u > number of directories %s\n"),
4348 ix, dwarf_vmatoa ("u", n_directories));
4349 directory = _("<corrupt>");
4352 directory = (char *) directory_table[ix - 1];
4354 if (do_wide || strlen (directory) < 76)
4355 printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
4357 printf ("%s:\n", file_table[0].name);
4360 printf (_("File name Line number Starting address View\n"));
4361 saved_linfo = linfo;
4364 /* This loop iterates through the Dwarf Line Number Program. */
4365 while (data < end_of_sequence)
4367 unsigned char op_code;
4370 unsigned long int uladv;
4371 unsigned int bytes_read;
4372 int is_special_opcode = 0;
4377 if (op_code >= linfo.li_opcode_base)
4379 op_code -= linfo.li_opcode_base;
4380 uladv = (op_code / linfo.li_line_range);
4381 if (linfo.li_max_ops_per_insn == 1)
4383 uladv *= linfo.li_min_insn_length;
4384 state_machine_regs.address += uladv;
4386 state_machine_regs.view = 0;
4391 = ((state_machine_regs.op_index + uladv)
4392 / linfo.li_max_ops_per_insn)
4393 * linfo.li_min_insn_length;
4394 state_machine_regs.address
4396 state_machine_regs.op_index
4397 = (state_machine_regs.op_index + uladv)
4398 % linfo.li_max_ops_per_insn;
4400 state_machine_regs.view = 0;
4403 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
4404 state_machine_regs.line += adv;
4405 is_special_opcode = 1;
4406 /* Increment view after printing this row. */
4408 else switch (op_code)
4410 case DW_LNS_extended_op:
4412 unsigned int ext_op_code_len;
4413 unsigned char ext_op_code;
4414 unsigned char *op_code_data = data;
4416 ext_op_code_len = read_uleb128 (op_code_data, &bytes_read,
4418 op_code_data += bytes_read;
4420 if (ext_op_code_len == 0)
4422 warn (_("Badly formed extended line op encountered!\n"));
4425 ext_op_code_len += bytes_read;
4426 ext_op_code = *op_code_data++;
4430 switch (ext_op_code)
4432 case DW_LNE_end_sequence:
4433 /* Reset stuff after printing this row. */
4435 case DW_LNE_set_address:
4436 SAFE_BYTE_GET_AND_INC (state_machine_regs.address,
4438 ext_op_code_len - bytes_read - 1,
4440 state_machine_regs.op_index = 0;
4441 state_machine_regs.view = 0;
4443 case DW_LNE_define_file:
4445 file_table = (File_Entry *) xrealloc
4446 (file_table, (n_files + 1) * sizeof (File_Entry));
4448 ++state_machine_regs.last_file_entry;
4449 /* Source file name. */
4450 file_table[n_files].name = op_code_data;
4451 op_code_data += strlen ((char *) op_code_data) + 1;
4452 /* Directory index. */
4453 file_table[n_files].directory_index =
4454 read_uleb128 (op_code_data, & bytes_read,
4456 op_code_data += bytes_read;
4457 /* Last modification time. */
4458 file_table[n_files].modification_date =
4459 read_uleb128 (op_code_data, & bytes_read,
4461 op_code_data += bytes_read;
4463 file_table[n_files].length =
4464 read_uleb128 (op_code_data, & bytes_read,
4470 case DW_LNE_set_discriminator:
4471 case DW_LNE_HP_set_sequence:
4472 /* Simply ignored. */
4476 printf (_("UNKNOWN (%u): length %d\n"),
4477 ext_op_code, ext_op_code_len - bytes_read);
4480 data += ext_op_code_len;
4484 /* Increment view after printing this row. */
4487 case DW_LNS_advance_pc:
4488 uladv = read_uleb128 (data, & bytes_read, end);
4490 if (linfo.li_max_ops_per_insn == 1)
4492 uladv *= linfo.li_min_insn_length;
4493 state_machine_regs.address += uladv;
4495 state_machine_regs.view = 0;
4500 = ((state_machine_regs.op_index + uladv)
4501 / linfo.li_max_ops_per_insn)
4502 * linfo.li_min_insn_length;
4503 state_machine_regs.address
4505 state_machine_regs.op_index
4506 = (state_machine_regs.op_index + uladv)
4507 % linfo.li_max_ops_per_insn;
4509 state_machine_regs.view = 0;
4513 case DW_LNS_advance_line:
4514 adv = read_sleb128 (data, & bytes_read, end);
4516 state_machine_regs.line += adv;
4519 case DW_LNS_set_file:
4520 adv = read_uleb128 (data, & bytes_read, end);
4522 state_machine_regs.file = adv;
4525 unsigned file = state_machine_regs.file - 1;
4528 if (file_table == NULL || n_files == 0)
4529 printf (_("\n [Use file table entry %d]\n"), file);
4531 else if (file >= n_files)
4533 warn (_("file index %u > number of files %u\n"), file + 1, n_files);
4534 printf (_("\n <over large file table index %u>"), file);
4536 else if ((dir = file_table[file].directory_index) == 0)
4537 /* If directory index is 0, that means current directory. */
4538 printf ("\n./%s:[++]\n", file_table[file].name);
4539 else if (directory_table == NULL || n_directories == 0)
4540 printf (_("\n [Use file %s in directory table entry %d]\n"),
4541 file_table[file].name, dir);
4543 else if (dir > n_directories)
4545 warn (_("directory index %u > number of directories %s\n"),
4546 dir, dwarf_vmatoa ("u", n_directories));
4547 printf (_("\n <over large directory table entry %u>\n"), dir);
4550 printf ("\n%s/%s:\n",
4551 /* The directory index starts counting at 1. */
4552 directory_table[dir - 1], file_table[file].name);
4556 case DW_LNS_set_column:
4557 uladv = read_uleb128 (data, & bytes_read, end);
4559 state_machine_regs.column = uladv;
4562 case DW_LNS_negate_stmt:
4563 adv = state_machine_regs.is_stmt;
4565 state_machine_regs.is_stmt = adv;
4568 case DW_LNS_set_basic_block:
4569 state_machine_regs.basic_block = 1;
4572 case DW_LNS_const_add_pc:
4573 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
4574 if (linfo.li_max_ops_per_insn == 1)
4576 uladv *= linfo.li_min_insn_length;
4577 state_machine_regs.address += uladv;
4579 state_machine_regs.view = 0;
4584 = ((state_machine_regs.op_index + uladv)
4585 / linfo.li_max_ops_per_insn)
4586 * linfo.li_min_insn_length;
4587 state_machine_regs.address
4589 state_machine_regs.op_index
4590 = (state_machine_regs.op_index + uladv)
4591 % linfo.li_max_ops_per_insn;
4593 state_machine_regs.view = 0;
4597 case DW_LNS_fixed_advance_pc:
4598 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4599 state_machine_regs.address += uladv;
4600 state_machine_regs.op_index = 0;
4601 /* Do NOT reset view. */
4604 case DW_LNS_set_prologue_end:
4607 case DW_LNS_set_epilogue_begin:
4610 case DW_LNS_set_isa:
4611 uladv = read_uleb128 (data, & bytes_read, end);
4613 printf (_(" Set ISA to %lu\n"), uladv);
4617 printf (_(" Unknown opcode %d with operands: "), op_code);
4619 if (standard_opcodes != NULL)
4620 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4622 printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
4624 i == 1 ? "" : ", ");
4631 /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
4632 to the DWARF address/line matrix. */
4633 if ((is_special_opcode) || (xop == -DW_LNE_end_sequence)
4634 || (xop == DW_LNS_copy))
4636 const unsigned int MAX_FILENAME_LENGTH = 35;
4638 char *newFileName = NULL;
4639 size_t fileNameLength;
4643 unsigned indx = state_machine_regs.file - 1;
4645 if (indx >= n_files)
4647 warn (_("corrupt file index %u encountered\n"), indx);
4648 fileName = _("<corrupt>");
4651 fileName = (char *) file_table[indx].name;
4654 fileName = _("<unknown>");
4656 fileNameLength = strlen (fileName);
4658 if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
4660 newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
4661 /* Truncate file name */
4662 strncpy (newFileName,
4663 fileName + fileNameLength - MAX_FILENAME_LENGTH,
4664 MAX_FILENAME_LENGTH + 1);
4668 newFileName = (char *) xmalloc (fileNameLength + 1);
4669 strncpy (newFileName, fileName, fileNameLength + 1);
4672 if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
4674 if (linfo.li_max_ops_per_insn == 1)
4675 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x",
4676 newFileName, state_machine_regs.line,
4677 state_machine_regs.address);
4679 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]",
4680 newFileName, state_machine_regs.line,
4681 state_machine_regs.address,
4682 state_machine_regs.op_index);
4686 if (linfo.li_max_ops_per_insn == 1)
4687 printf ("%s %11d %#18" DWARF_VMA_FMT "x",
4688 newFileName, state_machine_regs.line,
4689 state_machine_regs.address);
4691 printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]",
4692 newFileName, state_machine_regs.line,
4693 state_machine_regs.address,
4694 state_machine_regs.op_index);
4697 if (state_machine_regs.view)
4698 printf (" %6u\n", state_machine_regs.view);
4701 state_machine_regs.view++;
4703 if (xop == -DW_LNE_end_sequence)
4705 reset_state_machine (linfo.li_default_is_stmt);
4720 if (directory_table)
4722 free (directory_table);
4723 directory_table = NULL;
4734 display_debug_lines (struct dwarf_section *section, void *file)
4736 unsigned char *data = section->start;
4737 unsigned char *end = data + section->size;
4739 int retValDecoded = 1;
4741 if (do_debug_lines == 0)
4742 do_debug_lines |= FLAG_DEBUG_LINES_RAW;
4744 if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
4745 retValRaw = display_debug_lines_raw (section, data, end, file);
4747 if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
4748 retValDecoded = display_debug_lines_decoded (section, data, end, file);
4750 if (!retValRaw || !retValDecoded)
4757 find_debug_info_for_offset (unsigned long offset)
4761 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
4764 for (i = 0; i < num_debug_info_entries; i++)
4765 if (debug_information[i].cu_offset == offset)
4766 return debug_information + i;
4772 get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind)
4774 /* See gdb/gdb-index.h. */
4775 static const char * const kinds[] =
4787 return _ (kinds[kind]);
4791 display_debug_pubnames_worker (struct dwarf_section *section,
4792 void *file ATTRIBUTE_UNUSED,
4795 DWARF2_Internal_PubNames names;
4796 unsigned char *start = section->start;
4797 unsigned char *end = start + section->size;
4799 /* It does not matter if this load fails,
4800 we test for that later on. */
4801 load_debug_info (file);
4803 introduce (section, FALSE);
4807 unsigned char *data;
4808 unsigned long sec_off;
4809 unsigned int offset_size, initial_length_size;
4811 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end);
4812 if (names.pn_length == 0xffffffff)
4814 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end);
4816 initial_length_size = 12;
4821 initial_length_size = 4;
4824 sec_off = start - section->start;
4825 if (sec_off + names.pn_length < sec_off
4826 || sec_off + names.pn_length > section->size)
4828 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
4830 sec_off - initial_length_size,
4831 dwarf_vmatoa ("x", names.pn_length));
4836 start += names.pn_length;
4838 SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end);
4839 SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end);
4841 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
4842 && num_debug_info_entries > 0
4843 && find_debug_info_for_offset (names.pn_offset) == NULL)
4844 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
4845 (unsigned long) names.pn_offset, section->name);
4847 SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end);
4849 printf (_(" Length: %ld\n"),
4850 (long) names.pn_length);
4851 printf (_(" Version: %d\n"),
4853 printf (_(" Offset into .debug_info section: 0x%lx\n"),
4854 (unsigned long) names.pn_offset);
4855 printf (_(" Size of area in .debug_info section: %ld\n"),
4856 (long) names.pn_size);
4858 if (names.pn_version != 2 && names.pn_version != 3)
4860 static int warned = 0;
4864 warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
4872 printf (_("\n Offset Kind Name\n"));
4874 printf (_("\n Offset\tName\n"));
4878 bfd_size_type maxprint;
4881 SAFE_BYTE_GET (offset, data, offset_size, end);
4886 data += offset_size;
4889 maxprint = (end - data) - 1;
4893 unsigned int kind_data;
4894 gdb_index_symbol_kind kind;
4895 const char *kind_name;
4898 SAFE_BYTE_GET (kind_data, data, 1, end);
4901 /* GCC computes the kind as the upper byte in the CU index
4902 word, and then right shifts it by the CU index size.
4903 Left shift KIND to where the gdb-index.h accessor macros
4905 kind_data <<= GDB_INDEX_CU_BITSIZE;
4906 kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data);
4907 kind_name = get_gdb_index_symbol_kind_name (kind);
4908 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data);
4909 printf (" %-6lx %s,%-10s %.*s\n",
4910 (unsigned long) offset, is_static ? _("s") : _("g"),
4911 kind_name, (int) maxprint, data);
4914 printf (" %-6lx\t%.*s\n",
4915 (unsigned long) offset, (int) maxprint, data);
4917 data += strnlen ((char *) data, maxprint) + 1;
4928 display_debug_pubnames (struct dwarf_section *section, void *file)
4930 return display_debug_pubnames_worker (section, file, 0);
4934 display_debug_gnu_pubnames (struct dwarf_section *section, void *file)
4936 return display_debug_pubnames_worker (section, file, 1);
4940 display_debug_macinfo (struct dwarf_section *section,
4941 void *file ATTRIBUTE_UNUSED)
4943 unsigned char *start = section->start;
4944 unsigned char *end = start + section->size;
4945 unsigned char *curr = start;
4946 unsigned int bytes_read;
4947 enum dwarf_macinfo_record_type op;
4949 introduce (section, FALSE);
4953 unsigned int lineno;
4954 const unsigned char *string;
4956 op = (enum dwarf_macinfo_record_type) *curr;
4961 case DW_MACINFO_start_file:
4963 unsigned int filenum;
4965 lineno = read_uleb128 (curr, & bytes_read, end);
4967 filenum = read_uleb128 (curr, & bytes_read, end);
4970 printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
4975 case DW_MACINFO_end_file:
4976 printf (_(" DW_MACINFO_end_file\n"));
4979 case DW_MACINFO_define:
4980 lineno = read_uleb128 (curr, & bytes_read, end);
4983 curr += strnlen ((char *) string, end - string) + 1;
4984 printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
4988 case DW_MACINFO_undef:
4989 lineno = read_uleb128 (curr, & bytes_read, end);
4992 curr += strnlen ((char *) string, end - string) + 1;
4993 printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
4997 case DW_MACINFO_vendor_ext:
4999 unsigned int constant;
5001 constant = read_uleb128 (curr, & bytes_read, end);
5004 curr += strnlen ((char *) string, end - string) + 1;
5005 printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
5015 /* Given LINE_OFFSET into the .debug_line section, attempt to return
5016 filename and dirname corresponding to file name table entry with index
5017 FILEIDX. Return NULL on failure. */
5019 static unsigned char *
5020 get_line_filename_and_dirname (dwarf_vma line_offset,
5022 unsigned char **dir_name)
5024 struct dwarf_section *section = &debug_displays [line].section;
5025 unsigned char *hdrptr, *dirtable, *file_name;
5026 unsigned int offset_size, initial_length_size;
5027 unsigned int version, opcode_base, bytes_read;
5028 dwarf_vma length, diridx;
5029 const unsigned char * end;
5032 if (section->start == NULL
5033 || line_offset >= section->size
5037 hdrptr = section->start + line_offset;
5038 end = section->start + section->size;
5040 SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end);
5041 if (length == 0xffffffff)
5043 /* This section is 64-bit DWARF 3. */
5044 SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end);
5046 initial_length_size = 12;
5051 initial_length_size = 4;
5053 if (length + initial_length_size < length
5054 || length + initial_length_size > section->size)
5057 SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end);
5058 if (version != 2 && version != 3 && version != 4)
5060 hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
5062 hdrptr++; /* Skip max_ops_per_insn. */
5063 hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
5065 SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end);
5066 if (opcode_base == 0)
5069 hdrptr += opcode_base - 1;
5074 /* Skip over dirname table. */
5075 while (*hdrptr != '\0')
5077 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5081 hdrptr++; /* Skip the NUL at the end of the table. */
5083 /* Now skip over preceding filename table entries. */
5084 for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--)
5086 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5087 read_uleb128 (hdrptr, &bytes_read, end);
5088 hdrptr += bytes_read;
5089 read_uleb128 (hdrptr, &bytes_read, end);
5090 hdrptr += bytes_read;
5091 read_uleb128 (hdrptr, &bytes_read, end);
5092 hdrptr += bytes_read;
5094 if (hdrptr >= end || *hdrptr == '\0')
5098 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5101 diridx = read_uleb128 (hdrptr, &bytes_read, end);
5104 for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--)
5105 dirtable += strnlen ((char *) dirtable, end - dirtable) + 1;
5106 if (dirtable >= end || *dirtable == '\0')
5108 *dir_name = dirtable;
5113 display_debug_macro (struct dwarf_section *section,
5116 unsigned char *start = section->start;
5117 unsigned char *end = start + section->size;
5118 unsigned char *curr = start;
5119 unsigned char *extended_op_buf[256];
5120 unsigned int bytes_read;
5122 load_debug_section_with_follow (str, file);
5123 load_debug_section_with_follow (line, file);
5125 introduce (section, FALSE);
5129 unsigned int lineno, version, flags;
5130 unsigned int offset_size = 4;
5131 const unsigned char *string;
5132 dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
5133 unsigned char **extended_ops = NULL;
5135 SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
5136 if (version != 4 && version != 5)
5138 error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"),
5143 SAFE_BYTE_GET_AND_INC (flags, curr, 1, end);
5146 printf (_(" Offset: 0x%lx\n"),
5147 (unsigned long) sec_offset);
5148 printf (_(" Version: %d\n"), version);
5149 printf (_(" Offset size: %d\n"), offset_size);
5152 SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end);
5153 printf (_(" Offset into .debug_line: 0x%lx\n"),
5154 (unsigned long) line_offset);
5158 unsigned int i, count, op;
5161 SAFE_BYTE_GET_AND_INC (count, curr, 1, end);
5163 memset (extended_op_buf, 0, sizeof (extended_op_buf));
5164 extended_ops = extended_op_buf;
5167 printf (_(" Extension opcode arguments:\n"));
5168 for (i = 0; i < count; i++)
5170 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
5171 extended_ops[op] = curr;
5172 nargs = read_uleb128 (curr, &bytes_read, end);
5175 printf (_(" DW_MACRO_%02x has no arguments\n"), op);
5178 printf (_(" DW_MACRO_%02x arguments: "), op);
5179 for (n = 0; n < nargs; n++)
5183 SAFE_BYTE_GET_AND_INC (form, curr, 1, end);
5184 printf ("%s%s", get_FORM_name (form),
5185 n == nargs - 1 ? "\n" : ", ");
5195 case DW_FORM_block1:
5196 case DW_FORM_block2:
5197 case DW_FORM_block4:
5199 case DW_FORM_string:
5201 case DW_FORM_sec_offset:
5204 error (_("Invalid extension opcode form %s\n"),
5205 get_FORM_name (form));
5221 error (_(".debug_macro section not zero terminated\n"));
5225 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
5231 case DW_MACRO_start_file:
5233 unsigned int filenum;
5234 unsigned char *file_name = NULL, *dir_name = NULL;
5236 lineno = read_uleb128 (curr, &bytes_read, end);
5238 filenum = read_uleb128 (curr, &bytes_read, end);
5241 if ((flags & 2) == 0)
5242 error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n"));
5245 = get_line_filename_and_dirname (line_offset, filenum,
5247 if (file_name == NULL)
5248 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"),
5251 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
5253 dir_name != NULL ? (const char *) dir_name : "",
5254 dir_name != NULL ? "/" : "", file_name);
5258 case DW_MACRO_end_file:
5259 printf (_(" DW_MACRO_end_file\n"));
5262 case DW_MACRO_define:
5263 lineno = read_uleb128 (curr, &bytes_read, end);
5266 curr += strnlen ((char *) string, end - string) + 1;
5267 printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"),
5271 case DW_MACRO_undef:
5272 lineno = read_uleb128 (curr, &bytes_read, end);
5275 curr += strnlen ((char *) string, end - string) + 1;
5276 printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"),
5280 case DW_MACRO_define_strp:
5281 lineno = read_uleb128 (curr, &bytes_read, end);
5283 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5284 string = fetch_indirect_string (offset);
5285 printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"),
5289 case DW_MACRO_undef_strp:
5290 lineno = read_uleb128 (curr, &bytes_read, end);
5292 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5293 string = fetch_indirect_string (offset);
5294 printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"),
5298 case DW_MACRO_import:
5299 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5300 printf (_(" DW_MACRO_import - offset : 0x%lx\n"),
5301 (unsigned long) offset);
5304 case DW_MACRO_define_sup:
5305 lineno = read_uleb128 (curr, &bytes_read, end);
5307 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5308 printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"),
5309 lineno, (unsigned long) offset);
5312 case DW_MACRO_undef_sup:
5313 lineno = read_uleb128 (curr, &bytes_read, end);
5315 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5316 printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"),
5317 lineno, (unsigned long) offset);
5320 case DW_MACRO_import_sup:
5321 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
5322 printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"),
5323 (unsigned long) offset);
5327 if (extended_ops == NULL || extended_ops[op] == NULL)
5329 error (_(" Unknown macro opcode %02x seen\n"), op);
5334 /* Skip over unhandled opcodes. */
5336 unsigned char *desc = extended_ops[op];
5337 nargs = read_uleb128 (desc, &bytes_read, end);
5341 printf (_(" DW_MACRO_%02x\n"), op);
5344 printf (_(" DW_MACRO_%02x -"), op);
5345 for (n = 0; n < nargs; n++)
5349 /* DW_FORM_implicit_const is not expected here. */
5350 SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
5352 = read_and_display_attr_value (0, val, 0,
5353 curr, end, 0, 0, offset_size,
5354 version, NULL, 0, NULL,
5372 display_debug_abbrev (struct dwarf_section *section,
5373 void *file ATTRIBUTE_UNUSED)
5375 abbrev_entry *entry;
5376 unsigned char *start = section->start;
5377 unsigned char *end = start + section->size;
5379 introduce (section, FALSE);
5383 unsigned char *last;
5388 start = process_abbrev_section (start, end);
5390 if (first_abbrev == NULL)
5393 printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start));
5395 for (entry = first_abbrev; entry; entry = entry->next)
5399 printf (" %ld %s [%s]\n",
5401 get_TAG_name (entry->tag),
5402 entry->children ? _("has children") : _("no children"));
5404 for (attr = entry->first_attr; attr; attr = attr->next)
5406 printf (" %-18s %s",
5407 get_AT_name (attr->attribute),
5408 get_FORM_name (attr->form));
5409 if (attr->form == DW_FORM_implicit_const)
5410 printf (": %" BFD_VMA_FMT "d", attr->implicit_const);
5422 /* Return true when ADDR is the maximum address, when addresses are
5423 POINTER_SIZE bytes long. */
5426 is_max_address (dwarf_vma addr, unsigned int pointer_size)
5428 dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1));
5429 return ((addr & mask) == mask);
5432 /* Display a view pair list starting at *VSTART_PTR and ending at
5433 VLISTEND within SECTION. */
5436 display_view_pair_list (struct dwarf_section *section,
5437 unsigned char **vstart_ptr,
5438 unsigned int debug_info_entry,
5439 unsigned char *vlistend)
5441 unsigned char *vstart = *vstart_ptr;
5442 unsigned char *section_end = section->start + section->size;
5443 unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
5445 if (vlistend < section_end)
5446 section_end = vlistend;
5450 while (vstart < section_end)
5452 dwarf_vma off = vstart - section->start;
5453 dwarf_vma vbegin, vend;
5455 unsigned int bytes_read;
5456 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5457 vstart += bytes_read;
5458 if (vstart == section_end)
5460 vstart -= bytes_read;
5464 vend = read_uleb128 (vstart, &bytes_read, section_end);
5465 vstart += bytes_read;
5467 printf (" %8.8lx ", (unsigned long) off);
5469 print_dwarf_view (vbegin, pointer_size, 1);
5470 print_dwarf_view (vend, pointer_size, 1);
5471 printf (_("location view pair\n"));
5475 *vstart_ptr = vstart;
5478 /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
5481 display_loc_list (struct dwarf_section *section,
5482 unsigned char **start_ptr,
5483 unsigned int debug_info_entry,
5485 dwarf_vma base_address,
5486 unsigned char **vstart_ptr,
5489 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
5490 unsigned char *section_end = section->start + section->size;
5491 unsigned long cu_offset;
5492 unsigned int pointer_size;
5493 unsigned int offset_size;
5498 unsigned short length;
5499 int need_frame_base;
5501 if (debug_info_entry >= num_debug_info_entries)
5503 warn (_("No debug information available for loc lists of entry: %u\n"),
5508 cu_offset = debug_information [debug_info_entry].cu_offset;
5509 pointer_size = debug_information [debug_info_entry].pointer_size;
5510 offset_size = debug_information [debug_info_entry].offset_size;
5511 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5513 if (pointer_size < 2 || pointer_size > 8)
5515 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5516 pointer_size, debug_info_entry);
5522 dwarf_vma off = offset + (start - *start_ptr);
5523 dwarf_vma vbegin = vm1, vend = vm1;
5525 if (start + 2 * pointer_size > section_end)
5527 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5528 (unsigned long) offset);
5532 printf (" %8.8lx ", (unsigned long) off);
5534 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
5535 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
5537 if (begin == 0 && end == 0)
5539 /* PR 18374: In a object file we can have a location list that
5540 starts with a begin and end of 0 because there are relocations
5541 that need to be applied to the addresses. Actually applying
5542 the relocations now does not help as they will probably resolve
5543 to 0, since the object file has not been fully linked. Real
5544 end of list markers will not have any relocations against them. */
5545 if (! reloc_at (section, off)
5546 && ! reloc_at (section, off + pointer_size))
5548 printf (_("<End of list>\n"));
5553 /* Check base address specifiers. */
5554 if (is_max_address (begin, pointer_size)
5555 && !is_max_address (end, pointer_size))
5558 print_dwarf_vma (begin, pointer_size);
5559 print_dwarf_vma (end, pointer_size);
5560 printf (_("(base address)\n"));
5566 unsigned int bytes_read;
5568 off = offset + (vstart - *start_ptr);
5570 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5571 vstart += bytes_read;
5572 print_dwarf_view (vbegin, pointer_size, 1);
5574 vend = read_uleb128 (vstart, &bytes_read, section_end);
5575 vstart += bytes_read;
5576 print_dwarf_view (vend, pointer_size, 1);
5578 printf (_("views at %8.8lx for:\n %*s "),
5579 (unsigned long) off, 8, "");
5582 if (start + 2 > section_end)
5584 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5585 (unsigned long) offset);
5589 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
5591 if (start + length > section_end)
5593 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5594 (unsigned long) offset);
5598 print_dwarf_vma (begin + base_address, pointer_size);
5599 print_dwarf_vma (end + base_address, pointer_size);
5602 need_frame_base = decode_location_expression (start,
5607 cu_offset, section);
5610 if (need_frame_base && !has_frame_base)
5611 printf (_(" [without DW_AT_frame_base]"));
5613 if (begin == end && vbegin == vend)
5614 fputs (_(" (start == end)"), stdout);
5615 else if (begin > end || (begin == end && vbegin > vend))
5616 fputs (_(" (start > end)"), stdout);
5624 *vstart_ptr = vstart;
5627 /* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */
5630 display_loclists_list (struct dwarf_section *section,
5631 unsigned char **start_ptr,
5632 unsigned int debug_info_entry,
5634 dwarf_vma base_address,
5635 unsigned char **vstart_ptr,
5638 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
5639 unsigned char *section_end = section->start + section->size;
5640 unsigned long cu_offset;
5641 unsigned int pointer_size;
5642 unsigned int offset_size;
5644 unsigned int bytes_read;
5646 /* Initialize it due to a false compiler warning. */
5647 dwarf_vma begin = -1, vbegin = -1;
5648 dwarf_vma end = -1, vend = -1;
5650 int need_frame_base;
5652 if (debug_info_entry >= num_debug_info_entries)
5654 warn (_("No debug information available for "
5655 "loclists lists of entry: %u\n"),
5660 cu_offset = debug_information [debug_info_entry].cu_offset;
5661 pointer_size = debug_information [debug_info_entry].pointer_size;
5662 offset_size = debug_information [debug_info_entry].offset_size;
5663 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5665 if (pointer_size < 2 || pointer_size > 8)
5667 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5668 pointer_size, debug_info_entry);
5674 dwarf_vma off = offset + (start - *start_ptr);
5675 enum dwarf_location_list_entry_type llet;
5677 if (start + 1 > section_end)
5679 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5680 (unsigned long) offset);
5684 printf (" %8.8lx ", (unsigned long) off);
5686 SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end);
5688 if (vstart && llet == DW_LLE_offset_pair)
5690 off = offset + (vstart - *start_ptr);
5692 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5693 vstart += bytes_read;
5694 print_dwarf_view (vbegin, pointer_size, 1);
5696 vend = read_uleb128 (vstart, &bytes_read, section_end);
5697 vstart += bytes_read;
5698 print_dwarf_view (vend, pointer_size, 1);
5700 printf (_("views at %8.8lx for:\n %*s "),
5701 (unsigned long) off, 8, "");
5706 case DW_LLE_end_of_list:
5707 printf (_("<End of list>\n"));
5709 case DW_LLE_offset_pair:
5710 begin = read_uleb128 (start, &bytes_read, section_end);
5711 start += bytes_read;
5712 end = read_uleb128 (start, &bytes_read, section_end);
5713 start += bytes_read;
5715 case DW_LLE_base_address:
5716 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size,
5718 print_dwarf_vma (base_address, pointer_size);
5719 printf (_("(base address)\n"));
5721 #ifdef DW_LLE_view_pair
5722 case DW_LLE_view_pair:
5724 printf (_("View pair entry in loclist with locviews attribute\n"));
5725 vbegin = read_uleb128 (start, &bytes_read, section_end);
5726 start += bytes_read;
5727 print_dwarf_view (vbegin, pointer_size, 1);
5729 vend = read_uleb128 (start, &bytes_read, section_end);
5730 start += bytes_read;
5731 print_dwarf_view (vend, pointer_size, 1);
5733 printf (_("views for:\n"));
5737 error (_("Invalid location list entry type %d\n"), llet);
5740 if (llet == DW_LLE_end_of_list)
5742 if (llet != DW_LLE_offset_pair)
5745 if (start + 2 > section_end)
5747 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5748 (unsigned long) offset);
5752 length = read_uleb128 (start, &bytes_read, section_end);
5753 start += bytes_read;
5755 print_dwarf_vma (begin + base_address, pointer_size);
5756 print_dwarf_vma (end + base_address, pointer_size);
5759 need_frame_base = decode_location_expression (start,
5764 cu_offset, section);
5767 if (need_frame_base && !has_frame_base)
5768 printf (_(" [without DW_AT_frame_base]"));
5770 if (begin == end && vbegin == vend)
5771 fputs (_(" (start == end)"), stdout);
5772 else if (begin > end || (begin == end && vbegin > vend))
5773 fputs (_(" (start > end)"), stdout);
5781 if (vbegin != vm1 || vend != vm1)
5782 printf (_("Trailing view pair not used in a range"));
5785 *vstart_ptr = vstart;
5788 /* Print a .debug_addr table index in decimal, surrounded by square brackets,
5789 right-adjusted in a field of length LEN, and followed by a space. */
5792 print_addr_index (unsigned int idx, unsigned int len)
5794 static char buf[15];
5795 snprintf (buf, sizeof (buf), "[%d]", idx);
5796 printf ("%*s ", len, buf);
5799 /* Display a location list from a .dwo section. It uses address indexes rather
5800 than embedded addresses. This code closely follows display_loc_list, but the
5801 two are sufficiently different that combining things is very ugly. */
5804 display_loc_list_dwo (struct dwarf_section *section,
5805 unsigned char **start_ptr,
5806 unsigned int debug_info_entry,
5808 unsigned char **vstart_ptr,
5811 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
5812 unsigned char *section_end = section->start + section->size;
5813 unsigned long cu_offset;
5814 unsigned int pointer_size;
5815 unsigned int offset_size;
5818 unsigned short length;
5819 int need_frame_base;
5821 unsigned int bytes_read;
5823 if (debug_info_entry >= num_debug_info_entries)
5825 warn (_("No debug information for loc lists of entry: %u\n"),
5830 cu_offset = debug_information [debug_info_entry].cu_offset;
5831 pointer_size = debug_information [debug_info_entry].pointer_size;
5832 offset_size = debug_information [debug_info_entry].offset_size;
5833 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5835 if (pointer_size < 2 || pointer_size > 8)
5837 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5838 pointer_size, debug_info_entry);
5844 printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr)));
5846 if (start >= section_end)
5848 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5849 (unsigned long) offset);
5853 SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end);
5866 dwarf_vma off = offset + (vstart - *start_ptr);
5868 view = read_uleb128 (vstart, &bytes_read, section_end);
5869 vstart += bytes_read;
5870 print_dwarf_view (view, 8, 1);
5872 view = read_uleb128 (vstart, &bytes_read, section_end);
5873 vstart += bytes_read;
5874 print_dwarf_view (view, 8, 1);
5876 printf (_("views at %8.8lx for:\n %*s "),
5877 (unsigned long) off, 8, "");
5885 case 0: /* A terminating entry. */
5887 *vstart_ptr = vstart;
5888 printf (_("<End of list>\n"));
5890 case 1: /* A base-address entry. */
5891 idx = read_uleb128 (start, &bytes_read, section_end);
5892 start += bytes_read;
5893 print_addr_index (idx, 8);
5894 printf ("%*s", 9 + (vstart ? 2 * 6 : 0), "");
5895 printf (_("(base address selection entry)\n"));
5897 case 2: /* A start/end entry. */
5898 idx = read_uleb128 (start, &bytes_read, section_end);
5899 start += bytes_read;
5900 print_addr_index (idx, 8);
5901 idx = read_uleb128 (start, &bytes_read, section_end);
5902 start += bytes_read;
5903 print_addr_index (idx, 8);
5905 case 3: /* A start/length entry. */
5906 idx = read_uleb128 (start, &bytes_read, section_end);
5907 start += bytes_read;
5908 print_addr_index (idx, 8);
5909 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5910 printf ("%08x ", idx);
5912 case 4: /* An offset pair entry. */
5913 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5914 printf ("%08x ", idx);
5915 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5916 printf ("%08x ", idx);
5919 warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
5921 *vstart_ptr = vstart;
5925 if (start + 2 > section_end)
5927 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5928 (unsigned long) offset);
5932 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
5933 if (start + length > section_end)
5935 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5936 (unsigned long) offset);
5941 need_frame_base = decode_location_expression (start,
5946 cu_offset, section);
5949 if (need_frame_base && !has_frame_base)
5950 printf (_(" [without DW_AT_frame_base]"));
5958 *vstart_ptr = vstart;
5961 /* Sort array of indexes in ascending order of loc_offsets[idx] and
5964 static dwarf_vma *loc_offsets, *loc_views;
5967 loc_offsets_compar (const void *ap, const void *bp)
5969 dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
5970 dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
5972 int ret = (a > b) - (b > a);
5976 a = loc_views[*(const unsigned int *) ap];
5977 b = loc_views[*(const unsigned int *) bp];
5979 ret = (a > b) - (b > a);
5985 display_debug_loc (struct dwarf_section *section, void *file)
5987 unsigned char *start = section->start, *vstart = NULL;
5988 unsigned long bytes;
5989 unsigned char *section_begin = start;
5990 unsigned int num_loc_list = 0;
5991 unsigned long last_offset = 0;
5992 unsigned long last_view = 0;
5993 unsigned int first = 0;
5996 int seen_first_offset = 0;
5997 int locs_sorted = 1;
5998 unsigned char *next = start, *vnext = vstart;
5999 unsigned int *array = NULL;
6000 const char *suffix = strrchr (section->name, '.');
6002 int is_loclists = strstr (section->name, "debug_loclists") != NULL;
6003 dwarf_vma expected_start = 0;
6005 if (suffix && strcmp (suffix, ".dwo") == 0)
6008 bytes = section->size;
6012 printf (_("\nThe %s section is empty.\n"), section->name);
6018 unsigned char *hdrptr = section_begin;
6019 dwarf_vma ll_length;
6020 unsigned short ll_version;
6021 unsigned char *end = section_begin + section->size;
6022 unsigned char address_size, segment_selector_size;
6023 uint32_t offset_entry_count;
6025 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end);
6026 if (ll_length == 0xffffffff)
6027 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end);
6029 SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end);
6030 if (ll_version != 5)
6032 warn (_("The %s section contains corrupt or "
6033 "unsupported version number: %d.\n"),
6034 section->name, ll_version);
6038 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
6040 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
6041 if (segment_selector_size != 0)
6043 warn (_("The %s section contains "
6044 "unsupported segment selector size: %d.\n"),
6045 section->name, segment_selector_size);
6049 SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end);
6050 if (offset_entry_count != 0)
6052 warn (_("The %s section contains "
6053 "unsupported offset entry count: %d.\n"),
6054 section->name, offset_entry_count);
6058 expected_start = hdrptr - section_begin;
6061 if (load_debug_info (file) == 0)
6063 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6068 /* Check the order of location list in .debug_info section. If
6069 offsets of location lists are in the ascending order, we can
6070 use `debug_information' directly. */
6071 for (i = 0; i < num_debug_info_entries; i++)
6075 num = debug_information [i].num_loc_offsets;
6076 if (num > num_loc_list)
6079 /* Check if we can use `debug_information' directly. */
6080 if (locs_sorted && num != 0)
6082 if (!seen_first_offset)
6084 /* This is the first location list. */
6085 last_offset = debug_information [i].loc_offsets [0];
6086 last_view = debug_information [i].loc_views [0];
6088 seen_first_offset = 1;
6094 for (; j < num; j++)
6097 debug_information [i].loc_offsets [j]
6098 || (last_offset == debug_information [i].loc_offsets [j]
6099 && last_view > debug_information [i].loc_views [j]))
6104 last_offset = debug_information [i].loc_offsets [j];
6105 last_view = debug_information [i].loc_views [j];
6110 if (!seen_first_offset)
6111 error (_("No location lists in .debug_info section!\n"));
6113 if (debug_information [first].num_loc_offsets > 0
6114 && debug_information [first].loc_offsets [0] != expected_start
6115 && debug_information [first].loc_views [0] != expected_start)
6116 warn (_("Location lists in %s section start at 0x%s\n"),
6118 dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
6121 array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
6123 introduce (section, FALSE);
6125 if (reloc_at (section, 0))
6126 printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n"));
6128 printf (_(" Offset Begin End Expression\n"));
6130 seen_first_offset = 0;
6131 for (i = first; i < num_debug_info_entries; i++)
6133 dwarf_vma offset, voffset;
6134 dwarf_vma base_address;
6140 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
6142 loc_offsets = debug_information [i].loc_offsets;
6143 loc_views = debug_information [i].loc_views;
6144 qsort (array, debug_information [i].num_loc_offsets,
6145 sizeof (*array), loc_offsets_compar);
6148 int adjacent_view_loclists = 1;
6149 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
6151 j = locs_sorted ? k : array[k];
6153 && (debug_information [i].loc_offsets [locs_sorted
6154 ? k - 1 : array [k - 1]]
6155 == debug_information [i].loc_offsets [j])
6156 && (debug_information [i].loc_views [locs_sorted
6157 ? k - 1 : array [k - 1]]
6158 == debug_information [i].loc_views [j]))
6160 has_frame_base = debug_information [i].have_frame_base [j];
6161 offset = debug_information [i].loc_offsets [j];
6162 next = section_begin + offset;
6163 voffset = debug_information [i].loc_views [j];
6165 vnext = section_begin + voffset;
6168 base_address = debug_information [i].base_address;
6170 if (vnext && vnext < next)
6173 display_view_pair_list (section, &vstart, i, next);
6178 if (!seen_first_offset || !adjacent_view_loclists)
6179 seen_first_offset = 1;
6183 warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
6184 (unsigned long) (start - section_begin),
6185 (unsigned long) offset);
6186 else if (start > next)
6187 warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
6188 (unsigned long) (start - section_begin),
6189 (unsigned long) offset);
6194 if (offset >= bytes)
6196 warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
6197 (unsigned long) offset);
6201 if (vnext && voffset >= bytes)
6203 warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"),
6204 (unsigned long) voffset);
6211 display_loc_list_dwo (section, &start, i, offset,
6212 &vstart, has_frame_base);
6214 display_loc_list (section, &start, i, offset, base_address,
6215 &vstart, has_frame_base);
6220 warn (_("DWO is not yet supported.\n"));
6222 display_loclists_list (section, &start, i, offset, base_address,
6223 &vstart, has_frame_base);
6226 /* FIXME: this arrangement is quite simplistic. Nothing
6227 requires locview lists to be adjacent to corresponding
6228 loclists, and a single loclist could be augmented by
6229 different locview lists, and vice-versa, unlikely as it
6230 is that it would make sense to do so. Hopefully we'll
6231 have view pair support built into loclists before we ever
6232 need to address all these possibilities. */
6233 if (adjacent_view_loclists && vnext
6234 && vnext != start && vstart != next)
6236 adjacent_view_loclists = 0;
6237 warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n"));
6240 if (vnext && vnext == start)
6241 display_view_pair_list (section, &start, i, vstart);
6245 if (start < section->start + section->size)
6246 warn (ngettext ("There is %ld unused byte at the end of section %s\n",
6247 "There are %ld unused bytes at the end of section %s\n",
6248 (long) (section->start + section->size - start)),
6249 (long) (section->start + section->size - start), section->name);
6256 display_debug_str (struct dwarf_section *section,
6257 void *file ATTRIBUTE_UNUSED)
6259 unsigned char *start = section->start;
6260 unsigned long bytes = section->size;
6261 dwarf_vma addr = section->address;
6265 printf (_("\nThe %s section is empty.\n"), section->name);
6269 introduce (section, FALSE);
6277 lbytes = (bytes > 16 ? 16 : bytes);
6279 printf (" 0x%8.8lx ", (unsigned long) addr);
6281 for (j = 0; j < 16; j++)
6284 printf ("%2.2x", start[j]);
6292 for (j = 0; j < lbytes; j++)
6295 if (k >= ' ' && k < 0x80)
6314 display_debug_info (struct dwarf_section *section, void *file)
6316 return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE);
6320 display_debug_types (struct dwarf_section *section, void *file)
6322 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
6326 display_trace_info (struct dwarf_section *section, void *file)
6328 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
6332 display_debug_aranges (struct dwarf_section *section,
6333 void *file ATTRIBUTE_UNUSED)
6335 unsigned char *start = section->start;
6336 unsigned char *end = start + section->size;
6338 introduce (section, FALSE);
6340 /* It does not matter if this load fails,
6341 we test for that later on. */
6342 load_debug_info (file);
6346 unsigned char *hdrptr;
6347 DWARF2_Internal_ARange arange;
6348 unsigned char *addr_ranges;
6351 unsigned long sec_off;
6352 unsigned char address_size;
6354 unsigned int offset_size;
6355 unsigned int initial_length_size;
6359 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end);
6360 if (arange.ar_length == 0xffffffff)
6362 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end);
6364 initial_length_size = 12;
6369 initial_length_size = 4;
6372 sec_off = hdrptr - section->start;
6373 if (sec_off + arange.ar_length < sec_off
6374 || sec_off + arange.ar_length > section->size)
6376 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
6378 sec_off - initial_length_size,
6379 dwarf_vmatoa ("x", arange.ar_length));
6383 SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end);
6384 SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end);
6386 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
6387 && num_debug_info_entries > 0
6388 && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
6389 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
6390 (unsigned long) arange.ar_info_offset, section->name);
6392 SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end);
6393 SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end);
6395 if (arange.ar_version != 2 && arange.ar_version != 3)
6397 /* PR 19872: A version number of 0 probably means that there is
6398 padding at the end of the .debug_aranges section. Gold puts
6399 it there when performing an incremental link, for example.
6400 So do not generate a warning in this case. */
6401 if (arange.ar_version)
6402 warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
6406 printf (_(" Length: %ld\n"),
6407 (long) arange.ar_length);
6408 printf (_(" Version: %d\n"), arange.ar_version);
6409 printf (_(" Offset into .debug_info: 0x%lx\n"),
6410 (unsigned long) arange.ar_info_offset);
6411 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
6412 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
6414 address_size = arange.ar_pointer_size + arange.ar_segment_size;
6416 /* PR 17512: file: 001-108546-0.001:0.1. */
6417 if (address_size == 0 || address_size > 8)
6419 error (_("Invalid address size in %s section!\n"),
6424 /* The DWARF spec does not require that the address size be a power
6425 of two, but we do. This will have to change if we ever encounter
6426 an uneven architecture. */
6427 if ((address_size & (address_size - 1)) != 0)
6429 warn (_("Pointer size + Segment size is not a power of two.\n"));
6433 if (address_size > 4)
6434 printf (_("\n Address Length\n"));
6436 printf (_("\n Address Length\n"));
6438 addr_ranges = hdrptr;
6440 /* Must pad to an alignment boundary that is twice the address size. */
6441 excess = (hdrptr - start) % (2 * address_size);
6443 addr_ranges += (2 * address_size) - excess;
6445 start += arange.ar_length + initial_length_size;
6447 while (addr_ranges + 2 * address_size <= start)
6449 SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end);
6450 SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end);
6453 print_dwarf_vma (address, address_size);
6454 print_dwarf_vma (length, address_size);
6464 /* Comparison function for qsort. */
6466 comp_addr_base (const void * v0, const void * v1)
6468 debug_info * info0 = (debug_info *) v0;
6469 debug_info * info1 = (debug_info *) v1;
6470 return info0->addr_base - info1->addr_base;
6473 /* Display the debug_addr section. */
6475 display_debug_addr (struct dwarf_section *section,
6478 debug_info **debug_addr_info;
6479 unsigned char *entry;
6484 if (section->size == 0)
6486 printf (_("\nThe %s section is empty.\n"), section->name);
6490 if (load_debug_info (file) == 0)
6492 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6497 introduce (section, FALSE);
6499 /* PR 17531: file: cf38d01b.
6500 We use xcalloc because a corrupt file may not have initialised all of the
6501 fields in the debug_info structure, which means that the sort below might
6502 try to move uninitialised data. */
6503 debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1),
6504 sizeof (debug_info *));
6507 for (i = 0; i < num_debug_info_entries; i++)
6508 if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
6510 /* PR 17531: file: cf38d01b. */
6511 if (debug_information[i].addr_base >= section->size)
6512 warn (_("Corrupt address base (%lx) found in debug section %u\n"),
6513 (unsigned long) debug_information[i].addr_base, i);
6515 debug_addr_info [count++] = debug_information + i;
6518 /* Add a sentinel to make iteration convenient. */
6519 debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
6520 debug_addr_info [count]->addr_base = section->size;
6521 qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
6523 for (i = 0; i < count; i++)
6526 unsigned int address_size = debug_addr_info [i]->pointer_size;
6528 printf (_(" For compilation unit at offset 0x%s:\n"),
6529 dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
6531 printf (_("\tIndex\tAddress\n"));
6532 entry = section->start + debug_addr_info [i]->addr_base;
6533 end = section->start + debug_addr_info [i + 1]->addr_base;
6537 dwarf_vma base = byte_get (entry, address_size);
6538 printf (_("\t%d:\t"), idx);
6539 print_dwarf_vma (base, address_size);
6541 entry += address_size;
6547 free (debug_addr_info);
6551 /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
6553 display_debug_str_offsets (struct dwarf_section *section,
6554 void *file ATTRIBUTE_UNUSED)
6556 if (section->size == 0)
6558 printf (_("\nThe %s section is empty.\n"), section->name);
6561 /* TODO: Dump the contents. This is made somewhat difficult by not knowing
6562 what the offset size is for this section. */
6566 /* Each debug_information[x].range_lists[y] gets this representation for
6567 sorting purposes. */
6571 /* The debug_information[x].range_lists[y] value. */
6572 dwarf_vma ranges_offset;
6574 /* Original debug_information to find parameters of the data. */
6575 debug_info *debug_info_p;
6578 /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
6581 range_entry_compar (const void *ap, const void *bp)
6583 const struct range_entry *a_re = (const struct range_entry *) ap;
6584 const struct range_entry *b_re = (const struct range_entry *) bp;
6585 const dwarf_vma a = a_re->ranges_offset;
6586 const dwarf_vma b = b_re->ranges_offset;
6588 return (a > b) - (b > a);
6592 display_debug_ranges_list (unsigned char *start, unsigned char *finish,
6593 unsigned int pointer_size, unsigned long offset,
6594 unsigned long base_address)
6596 while (start < finish)
6601 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6602 if (start >= finish)
6604 SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6607 printf (" %8.8lx ", offset);
6609 if (begin == 0 && end == 0)
6611 printf (_("<End of list>\n"));
6615 /* Check base address specifiers. */
6616 if (is_max_address (begin, pointer_size)
6617 && !is_max_address (end, pointer_size))
6620 print_dwarf_vma (begin, pointer_size);
6621 print_dwarf_vma (end, pointer_size);
6622 printf ("(base address)\n");
6626 print_dwarf_vma (begin + base_address, pointer_size);
6627 print_dwarf_vma (end + base_address, pointer_size);
6630 fputs (_("(start == end)"), stdout);
6631 else if (begin > end)
6632 fputs (_("(start > end)"), stdout);
6639 display_debug_rnglists_list (unsigned char *start, unsigned char *finish,
6640 unsigned int pointer_size, unsigned long offset,
6641 unsigned long base_address)
6643 unsigned char *next = start;
6647 unsigned long off = offset + (start - next);
6648 enum dwarf_range_list_entry rlet;
6649 /* Initialize it due to a false compiler warning. */
6650 dwarf_vma begin = -1, length, end = -1;
6651 unsigned int bytes_read;
6653 if (start + 1 > finish)
6655 warn (_("Range list starting at offset 0x%lx is not terminated.\n"),
6660 printf (" %8.8lx ", off);
6662 SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish);
6666 case DW_RLE_end_of_list:
6667 printf (_("<End of list>\n"));
6669 case DW_RLE_base_address:
6670 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish);
6671 print_dwarf_vma (base_address, pointer_size);
6672 printf (_("(base address)\n"));
6674 case DW_RLE_start_length:
6675 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6676 length = read_uleb128 (start, &bytes_read, finish);
6677 start += bytes_read;
6678 end = begin + length;
6680 case DW_RLE_offset_pair:
6681 begin = read_uleb128 (start, &bytes_read, finish);
6682 start += bytes_read;
6683 end = read_uleb128 (start, &bytes_read, finish);
6684 start += bytes_read;
6686 case DW_RLE_start_end:
6687 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6688 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6691 error (_("Invalid range list entry type %d\n"), rlet);
6692 rlet = DW_RLE_end_of_list;
6695 if (rlet == DW_RLE_end_of_list)
6697 if (rlet == DW_RLE_base_address)
6700 print_dwarf_vma (begin + base_address, pointer_size);
6701 print_dwarf_vma (end + base_address, pointer_size);
6704 fputs (_("(start == end)"), stdout);
6705 else if (begin > end)
6706 fputs (_("(start > end)"), stdout);
6713 display_debug_ranges (struct dwarf_section *section,
6714 void *file ATTRIBUTE_UNUSED)
6716 unsigned char *start = section->start;
6717 unsigned char *last_start = start;
6718 unsigned long bytes = section->size;
6719 unsigned char *section_begin = start;
6720 unsigned char *finish = start + bytes;
6721 unsigned int num_range_list, i;
6722 struct range_entry *range_entries, *range_entry_fill;
6723 int is_rnglists = strstr (section->name, "debug_rnglists") != NULL;
6724 /* Initialize it due to a false compiler warning. */
6725 unsigned char address_size = 0;
6729 printf (_("\nThe %s section is empty.\n"), section->name);
6735 dwarf_vma initial_length;
6736 unsigned int initial_length_size;
6737 unsigned char segment_selector_size;
6738 unsigned int offset_size, offset_entry_count;
6739 unsigned short version;
6741 /* Get and check the length of the block. */
6742 SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish);
6744 if (initial_length == 0xffffffff)
6746 /* This section is 64-bit DWARF 3. */
6747 SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish);
6749 initial_length_size = 12;
6754 initial_length_size = 4;
6757 if (initial_length + initial_length_size > section->size)
6759 /* If the length field has a relocation against it, then we should
6760 not complain if it is inaccurate (and probably negative).
6761 It is copied from .debug_line handling code. */
6762 if (reloc_at (section, (start - section->start) - offset_size))
6764 initial_length = (finish - start) - initial_length_size;
6768 warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"),
6769 (long) initial_length);
6774 /* Get and check the version number. */
6775 SAFE_BYTE_GET_AND_INC (version, start, 2, finish);
6779 warn (_("Only DWARF version 5 debug_rnglists info "
6780 "is currently supported.\n"));
6784 SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish);
6786 SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish);
6787 if (segment_selector_size != 0)
6789 warn (_("The %s section contains "
6790 "unsupported segment selector size: %d.\n"),
6791 section->name, segment_selector_size);
6795 SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish);
6796 if (offset_entry_count != 0)
6798 warn (_("The %s section contains "
6799 "unsupported offset entry count: %u.\n"),
6800 section->name, offset_entry_count);
6805 if (load_debug_info (file) == 0)
6807 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6813 for (i = 0; i < num_debug_info_entries; i++)
6814 num_range_list += debug_information [i].num_range_lists;
6816 if (num_range_list == 0)
6818 /* This can happen when the file was compiled with -gsplit-debug
6819 which removes references to range lists from the primary .o file. */
6820 printf (_("No range lists in .debug_info section.\n"));
6824 range_entries = (struct range_entry *)
6825 xmalloc (sizeof (*range_entries) * num_range_list);
6826 range_entry_fill = range_entries;
6828 for (i = 0; i < num_debug_info_entries; i++)
6830 debug_info *debug_info_p = &debug_information[i];
6833 for (j = 0; j < debug_info_p->num_range_lists; j++)
6835 range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
6836 range_entry_fill->debug_info_p = debug_info_p;
6841 qsort (range_entries, num_range_list, sizeof (*range_entries),
6842 range_entry_compar);
6844 if (dwarf_check != 0 && range_entries[0].ranges_offset != 0)
6845 warn (_("Range lists in %s section start at 0x%lx\n"),
6846 section->name, (unsigned long) range_entries[0].ranges_offset);
6848 introduce (section, FALSE);
6850 printf (_(" Offset Begin End\n"));
6852 for (i = 0; i < num_range_list; i++)
6854 struct range_entry *range_entry = &range_entries[i];
6855 debug_info *debug_info_p = range_entry->debug_info_p;
6856 unsigned int pointer_size;
6858 unsigned char *next;
6859 dwarf_vma base_address;
6861 pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size);
6862 offset = range_entry->ranges_offset;
6863 next = section_begin + offset;
6864 base_address = debug_info_p->base_address;
6866 /* PR 17512: file: 001-101485-0.001:0.1. */
6867 if (pointer_size < 2 || pointer_size > 8)
6869 warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"),
6870 pointer_size, (unsigned long) offset);
6874 if (next < section_begin || next >= finish)
6876 warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"),
6877 (unsigned long) offset, i);
6881 if (dwarf_check != 0 && i > 0)
6884 warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
6885 (unsigned long) (start - section_begin),
6886 (unsigned long) (next - section_begin), section->name);
6887 else if (start > next)
6889 if (next == last_start)
6891 warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
6892 (unsigned long) (start - section_begin),
6893 (unsigned long) (next - section_begin), section->name);
6900 (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list)
6901 (start, finish, pointer_size, offset, base_address);
6905 free (range_entries);
6910 typedef struct Frame_Chunk
6912 struct Frame_Chunk *next;
6913 unsigned char *chunk_start;
6915 /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
6916 short int *col_type;
6919 unsigned int code_factor;
6923 unsigned int cfa_reg;
6924 dwarf_vma cfa_offset;
6926 unsigned char fde_encoding;
6927 unsigned char cfa_exp;
6928 unsigned char ptr_size;
6929 unsigned char segment_size;
6933 static const char *const *dwarf_regnames;
6934 static unsigned int dwarf_regnames_count;
6936 /* A marker for a col_type that means this column was never referenced
6937 in the frame info. */
6938 #define DW_CFA_unreferenced (-1)
6940 /* Return 0 if no more space is needed, 1 if more space is needed,
6941 -1 for invalid reg. */
6944 frame_need_space (Frame_Chunk *fc, unsigned int reg)
6946 unsigned int prev = fc->ncols;
6948 if (reg < (unsigned int) fc->ncols)
6951 if (dwarf_regnames_count
6952 && reg > dwarf_regnames_count)
6955 fc->ncols = reg + 1;
6956 /* PR 17512: file: 10450-2643-0.004.
6957 If reg == -1 then this can happen... */
6961 /* PR 17512: file: 2844a11d. */
6962 if (fc->ncols > 1024)
6964 error (_("Unfeasibly large register number: %u\n"), reg);
6966 /* FIXME: 1024 is an arbitrary limit. Increase it if
6967 we ever encounter a valid binary that exceeds it. */
6971 fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
6972 sizeof (short int));
6973 fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
6974 /* PR 17512: file:002-10025-0.005. */
6975 if (fc->col_type == NULL || fc->col_offset == NULL)
6977 error (_("Out of memory allocating %u columns in dwarf frame arrays\n"),
6983 while (prev < fc->ncols)
6985 fc->col_type[prev] = DW_CFA_unreferenced;
6986 fc->col_offset[prev] = 0;
6992 static const char *const dwarf_regnames_i386[] =
6994 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
6995 "esp", "ebp", "esi", "edi", /* 4 - 7 */
6996 "eip", "eflags", NULL, /* 8 - 10 */
6997 "st0", "st1", "st2", "st3", /* 11 - 14 */
6998 "st4", "st5", "st6", "st7", /* 15 - 18 */
6999 NULL, NULL, /* 19 - 20 */
7000 "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */
7001 "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */
7002 "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */
7003 "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */
7004 "fcw", "fsw", "mxcsr", /* 37 - 39 */
7005 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7006 "tr", "ldtr", /* 48 - 49 */
7007 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7008 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7009 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7010 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7011 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7012 NULL, NULL, NULL, /* 90 - 92 */
7013 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */
7016 static const char *const dwarf_regnames_iamcu[] =
7018 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7019 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7020 "eip", "eflags", NULL, /* 8 - 10 */
7021 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */
7022 NULL, NULL, /* 19 - 20 */
7023 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */
7024 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */
7025 NULL, NULL, NULL, /* 37 - 39 */
7026 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7027 "tr", "ldtr", /* 48 - 49 */
7028 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7029 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7030 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7031 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7032 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7033 NULL, NULL, NULL, /* 90 - 92 */
7034 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */
7038 init_dwarf_regnames_i386 (void)
7040 dwarf_regnames = dwarf_regnames_i386;
7041 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
7045 init_dwarf_regnames_iamcu (void)
7047 dwarf_regnames = dwarf_regnames_iamcu;
7048 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu);
7051 static const char *const dwarf_regnames_x86_64[] =
7053 "rax", "rdx", "rcx", "rbx",
7054 "rsi", "rdi", "rbp", "rsp",
7055 "r8", "r9", "r10", "r11",
7056 "r12", "r13", "r14", "r15",
7058 "xmm0", "xmm1", "xmm2", "xmm3",
7059 "xmm4", "xmm5", "xmm6", "xmm7",
7060 "xmm8", "xmm9", "xmm10", "xmm11",
7061 "xmm12", "xmm13", "xmm14", "xmm15",
7062 "st0", "st1", "st2", "st3",
7063 "st4", "st5", "st6", "st7",
7064 "mm0", "mm1", "mm2", "mm3",
7065 "mm4", "mm5", "mm6", "mm7",
7067 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
7068 "fs.base", "gs.base", NULL, NULL,
7070 "mxcsr", "fcw", "fsw",
7071 "xmm16", "xmm17", "xmm18", "xmm19",
7072 "xmm20", "xmm21", "xmm22", "xmm23",
7073 "xmm24", "xmm25", "xmm26", "xmm27",
7074 "xmm28", "xmm29", "xmm30", "xmm31",
7075 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */
7076 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */
7077 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */
7078 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */
7079 NULL, NULL, NULL, /* 115 - 117 */
7080 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"
7084 init_dwarf_regnames_x86_64 (void)
7086 dwarf_regnames = dwarf_regnames_x86_64;
7087 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
7090 static const char *const dwarf_regnames_aarch64[] =
7092 "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
7093 "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
7094 "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
7095 "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp",
7096 NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL,
7097 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7098 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7099 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7100 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
7101 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
7102 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
7103 "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
7107 init_dwarf_regnames_aarch64 (void)
7109 dwarf_regnames = dwarf_regnames_aarch64;
7110 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64);
7113 static const char *const dwarf_regnames_s390[] =
7115 /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */
7116 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7117 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7118 "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
7119 "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
7120 "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
7121 "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15",
7122 "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
7123 "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
7126 "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
7127 "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31",
7131 init_dwarf_regnames_s390 (void)
7133 dwarf_regnames = dwarf_regnames_s390;
7134 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390);
7137 static const char *const dwarf_regnames_riscv[] =
7139 "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */
7140 "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */
7141 "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */
7142 "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */
7143 "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */
7144 "fs0", "fs1", /* 40 - 41 */
7145 "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */
7146 "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */
7147 "fs10", "fs11", /* 58 - 59 */
7148 "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */
7152 init_dwarf_regnames_riscv (void)
7154 dwarf_regnames = dwarf_regnames_riscv;
7155 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_riscv);
7159 init_dwarf_regnames (unsigned int e_machine)
7164 init_dwarf_regnames_i386 ();
7168 init_dwarf_regnames_iamcu ();
7174 init_dwarf_regnames_x86_64 ();
7178 init_dwarf_regnames_aarch64 ();
7182 init_dwarf_regnames_s390 ();
7186 init_dwarf_regnames_riscv ();
7195 regname (unsigned int regno, int row)
7197 static char reg[64];
7200 && regno < dwarf_regnames_count
7201 && dwarf_regnames [regno] != NULL)
7204 return dwarf_regnames [regno];
7205 snprintf (reg, sizeof (reg), "r%d (%s)", regno,
7206 dwarf_regnames [regno]);
7209 snprintf (reg, sizeof (reg), "r%d", regno);
7214 frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs)
7219 if (*max_regs != fc->ncols)
7220 *max_regs = fc->ncols;
7222 if (*need_col_headers)
7224 static const char *sloc = " LOC";
7226 *need_col_headers = 0;
7228 printf ("%-*s CFA ", eh_addr_size * 2, sloc);
7230 for (r = 0; r < *max_regs; r++)
7231 if (fc->col_type[r] != DW_CFA_unreferenced)
7236 printf ("%-5s ", regname (r, 1));
7242 print_dwarf_vma (fc->pc_begin, eh_addr_size);
7244 strcpy (tmp, "exp");
7246 sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset);
7247 printf ("%-8s ", tmp);
7249 for (r = 0; r < fc->ncols; r++)
7251 if (fc->col_type[r] != DW_CFA_unreferenced)
7253 switch (fc->col_type[r])
7255 case DW_CFA_undefined:
7258 case DW_CFA_same_value:
7262 sprintf (tmp, "c%+d", fc->col_offset[r]);
7264 case DW_CFA_val_offset:
7265 sprintf (tmp, "v%+d", fc->col_offset[r]);
7267 case DW_CFA_register:
7268 sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
7270 case DW_CFA_expression:
7271 strcpy (tmp, "exp");
7273 case DW_CFA_val_expression:
7274 strcpy (tmp, "vexp");
7277 strcpy (tmp, "n/a");
7280 printf ("%-5s ", tmp);
7286 #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end)
7288 static unsigned char *
7289 read_cie (unsigned char *start, unsigned char *end,
7290 Frame_Chunk **p_cie, int *p_version,
7291 bfd_size_type *p_aug_len, unsigned char **p_aug)
7295 unsigned int length_return;
7296 unsigned char *augmentation_data = NULL;
7297 bfd_size_type augmentation_data_len = 0;
7300 /* PR 17512: file: 001-228113-0.004. */
7304 fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
7305 memset (fc, 0, sizeof (Frame_Chunk));
7307 fc->col_type = (short int *) xmalloc (sizeof (short int));
7308 fc->col_offset = (int *) xmalloc (sizeof (int));
7312 fc->augmentation = (char *) start;
7313 /* PR 17512: file: 001-228113-0.004.
7314 Skip past augmentation name, but avoid running off the end of the data. */
7316 if (* start ++ == '\0')
7320 warn (_("No terminator for augmentation name\n"));
7324 if (strcmp (fc->augmentation, "eh") == 0)
7325 start += eh_addr_size;
7329 GET (fc->ptr_size, 1);
7330 if (fc->ptr_size < 1 || fc->ptr_size > 8)
7332 warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size);
7336 GET (fc->segment_size, 1);
7337 /* PR 17512: file: e99d2804. */
7338 if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8)
7340 warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size);
7344 eh_addr_size = fc->ptr_size;
7348 fc->ptr_size = eh_addr_size;
7349 fc->segment_size = 0;
7352 READ_ULEB (fc->code_factor);
7353 READ_SLEB (fc->data_factor);
7364 if (fc->augmentation[0] == 'z')
7366 READ_ULEB (augmentation_data_len);
7367 augmentation_data = start;
7368 /* PR 17512: file: 11042-2589-0.004. */
7369 if (augmentation_data_len > (bfd_size_type) (end - start))
7371 warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"),
7372 dwarf_vmatoa ("x", augmentation_data_len),
7373 (unsigned long) (end - start));
7376 start += augmentation_data_len;
7379 if (augmentation_data_len)
7383 unsigned char *qend;
7385 p = (unsigned char *) fc->augmentation + 1;
7386 q = augmentation_data;
7387 qend = q + augmentation_data_len;
7389 while (p < end && q < qend)
7394 q += 1 + size_of_encoded_value (*q);
7396 fc->fde_encoding = *q++;
7403 /* Note - it is OK if this loop terminates with q < qend.
7404 Padding may have been inserted to align the end of the CIE. */
7409 *p_version = version;
7412 *p_aug_len = augmentation_data_len;
7413 *p_aug = augmentation_data;
7418 free (fc->col_offset);
7419 free (fc->col_type);
7424 /* Prints out the contents on the DATA array formatted as unsigned bytes.
7425 If do_wide is not enabled, then formats the output to fit into 80 columns.
7426 PRINTED contains the number of characters already written to the current
7430 display_data (bfd_size_type printed,
7431 const unsigned char * data,
7432 const bfd_size_type len)
7434 if (do_wide || len < ((80 - printed) / 3))
7435 for (printed = 0; printed < len; ++printed)
7436 printf (" %02x", data[printed]);
7439 for (printed = 0; printed < len; ++printed)
7441 if (printed % (80 / 3) == 0)
7443 printf (" %02x", data[printed]);
7448 /* Prints out the contents on the augmentation data array.
7449 If do_wide is not enabled, then formats the output to fit into 80 columns. */
7452 display_augmentation_data (const unsigned char * data, const bfd_size_type len)
7456 i = printf (_(" Augmentation data: "));
7457 display_data (i, data, len);
7461 display_debug_frames (struct dwarf_section *section,
7462 void *file ATTRIBUTE_UNUSED)
7464 unsigned char *start = section->start;
7465 unsigned char *end = start + section->size;
7466 unsigned char *section_start = start;
7467 Frame_Chunk *chunks = NULL, *forward_refs = NULL;
7468 Frame_Chunk *remembered_state = NULL;
7470 bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0;
7471 unsigned int length_return;
7472 unsigned int max_regs = 0;
7473 const char *bad_reg = _("bad register: ");
7474 unsigned int saved_eh_addr_size = eh_addr_size;
7476 introduce (section, FALSE);
7480 unsigned char *saved_start;
7481 unsigned char *block_end;
7486 int need_col_headers = 1;
7487 unsigned char *augmentation_data = NULL;
7488 bfd_size_type augmentation_data_len = 0;
7489 unsigned int encoded_ptr_size = saved_eh_addr_size;
7490 unsigned int offset_size;
7491 unsigned int initial_length_size;
7492 bfd_boolean all_nops;
7494 saved_start = start;
7496 SAFE_BYTE_GET_AND_INC (length, start, 4, end);
7500 printf ("\n%08lx ZERO terminator\n\n",
7501 (unsigned long)(saved_start - section_start));
7502 /* Skip any zero terminators that directly follow.
7503 A corrupt section size could have loaded a whole
7504 slew of zero filled memory bytes. eg
7505 PR 17512: file: 070-19381-0.004. */
7506 while (start < end && * start == 0)
7511 if (length == 0xffffffff)
7513 SAFE_BYTE_GET_AND_INC (length, start, 8, end);
7515 initial_length_size = 12;
7520 initial_length_size = 4;
7523 block_end = saved_start + length + initial_length_size;
7524 if (block_end > end || block_end < start)
7526 warn ("Invalid length 0x%s in FDE at %#08lx\n",
7527 dwarf_vmatoa_1 (NULL, length, offset_size),
7528 (unsigned long) (saved_start - section_start));
7532 SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end);
7534 if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID)
7535 || (offset_size == 8 && cie_id == DW64_CIE_ID)))
7540 start = read_cie (start, end, &cie, &version,
7541 &augmentation_data_len, &augmentation_data);
7542 /* PR 17512: file: 027-135133-0.005. */
7549 fc->chunk_start = saved_start;
7550 mreg = max_regs > 0 ? max_regs - 1 : 0;
7553 if (frame_need_space (fc, mreg) < 0)
7555 if (fc->fde_encoding)
7556 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
7558 printf ("\n%08lx ", (unsigned long) (saved_start - section_start));
7559 print_dwarf_vma (length, fc->ptr_size);
7560 print_dwarf_vma (cie_id, offset_size);
7562 if (do_debug_frames_interp)
7564 printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation,
7565 fc->code_factor, fc->data_factor, fc->ra);
7570 printf (" Version: %d\n", version);
7571 printf (" Augmentation: \"%s\"\n", fc->augmentation);
7574 printf (" Pointer Size: %u\n", fc->ptr_size);
7575 printf (" Segment Size: %u\n", fc->segment_size);
7577 printf (" Code alignment factor: %u\n", fc->code_factor);
7578 printf (" Data alignment factor: %d\n", fc->data_factor);
7579 printf (" Return address column: %d\n", fc->ra);
7581 if (augmentation_data_len)
7582 display_augmentation_data (augmentation_data, augmentation_data_len);
7589 unsigned char *look_for;
7590 static Frame_Chunk fde_fc;
7591 unsigned long segment_selector;
7595 dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1);
7596 look_for = start - 4 - ((cie_id ^ sign) - sign);
7599 look_for = section_start + cie_id;
7601 if (look_for <= saved_start)
7603 for (cie = chunks; cie ; cie = cie->next)
7604 if (cie->chunk_start == look_for)
7609 for (cie = forward_refs; cie ; cie = cie->next)
7610 if (cie->chunk_start == look_for)
7614 unsigned int off_size;
7615 unsigned char *cie_scan;
7617 cie_scan = look_for;
7619 SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end);
7620 if (length == 0xffffffff)
7622 SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end);
7629 SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end);
7632 : ((off_size == 4 && c_id == DW_CIE_ID)
7633 || (off_size == 8 && c_id == DW64_CIE_ID)))
7638 read_cie (cie_scan, end, &cie, &version,
7639 &augmentation_data_len, &augmentation_data);
7640 /* PR 17512: file: 3450-2098-0.004. */
7643 warn (_("Failed to read CIE information\n"));
7646 cie->next = forward_refs;
7648 cie->chunk_start = look_for;
7649 mreg = max_regs > 0 ? max_regs - 1 : 0;
7652 if (frame_need_space (cie, mreg) < 0)
7654 warn (_("Invalid max register\n"));
7657 if (cie->fde_encoding)
7659 = size_of_encoded_value (cie->fde_encoding);
7666 memset (fc, 0, sizeof (Frame_Chunk));
7670 warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n",
7671 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
7672 (unsigned long) (saved_start - section_start));
7674 fc->col_type = (short int *) xmalloc (sizeof (short int));
7675 fc->col_offset = (int *) xmalloc (sizeof (int));
7676 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0)
7678 warn (_("Invalid max register\n"));
7682 fc->augmentation = "";
7683 fc->fde_encoding = 0;
7684 fc->ptr_size = eh_addr_size;
7685 fc->segment_size = 0;
7689 fc->ncols = cie->ncols;
7690 fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
7691 fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
7692 memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
7693 memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
7694 fc->augmentation = cie->augmentation;
7695 fc->ptr_size = cie->ptr_size;
7696 eh_addr_size = cie->ptr_size;
7697 fc->segment_size = cie->segment_size;
7698 fc->code_factor = cie->code_factor;
7699 fc->data_factor = cie->data_factor;
7700 fc->cfa_reg = cie->cfa_reg;
7701 fc->cfa_offset = cie->cfa_offset;
7703 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0)
7705 warn (_("Invalid max register\n"));
7708 fc->fde_encoding = cie->fde_encoding;
7711 if (fc->fde_encoding)
7712 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
7714 segment_selector = 0;
7715 if (fc->segment_size)
7717 if (fc->segment_size > sizeof (segment_selector))
7719 /* PR 17512: file: 9e196b3e. */
7720 warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size);
7721 fc->segment_size = 4;
7723 SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end);
7726 fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end);
7728 /* FIXME: It appears that sometimes the final pc_range value is
7729 encoded in less than encoded_ptr_size bytes. See the x86_64
7730 run of the "objcopy on compressed debug sections" test for an
7732 SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end);
7734 if (cie->augmentation[0] == 'z')
7736 READ_ULEB (augmentation_data_len);
7737 augmentation_data = start;
7738 start += augmentation_data_len;
7739 /* PR 17512 file: 722-8446-0.004 and PR 22386. */
7741 || ((bfd_signed_vma) augmentation_data_len) < 0
7742 || augmentation_data > start)
7744 warn (_("Corrupt augmentation data length: 0x%s\n"),
7745 dwarf_vmatoa ("x", augmentation_data_len));
7747 augmentation_data = NULL;
7748 augmentation_data_len = 0;
7752 printf ("\n%08lx %s %s FDE cie=%08lx pc=",
7753 (unsigned long)(saved_start - section_start),
7754 dwarf_vmatoa_1 (NULL, length, fc->ptr_size),
7755 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
7756 (unsigned long)(cie->chunk_start - section_start));
7758 if (fc->segment_size)
7759 printf ("%04lx:", segment_selector);
7762 dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size),
7763 dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size));
7765 if (! do_debug_frames_interp && augmentation_data_len)
7767 display_augmentation_data (augmentation_data, augmentation_data_len);
7772 /* At this point, fc is the current chunk, cie (if any) is set, and
7773 we're about to interpret instructions for the chunk. */
7774 /* ??? At present we need to do this always, since this sizes the
7775 fc->col_type and fc->col_offset arrays, which we write into always.
7776 We should probably split the interpreted and non-interpreted bits
7777 into two different routines, since there's so much that doesn't
7778 really overlap between them. */
7779 if (1 || do_debug_frames_interp)
7781 /* Start by making a pass over the chunk, allocating storage
7782 and taking note of what registers are used. */
7783 unsigned char *tmp = start;
7785 while (start < block_end)
7787 unsigned int reg, op, opa;
7789 unsigned char * new_start;
7796 /* Warning: if you add any more cases to this switch, be
7797 sure to add them to the corresponding switch below. */
7800 case DW_CFA_advance_loc:
7804 if (frame_need_space (fc, opa) >= 0)
7805 fc->col_type[opa] = DW_CFA_undefined;
7807 case DW_CFA_restore:
7808 if (frame_need_space (fc, opa) >= 0)
7809 fc->col_type[opa] = DW_CFA_undefined;
7811 case DW_CFA_set_loc:
7812 start += encoded_ptr_size;
7814 case DW_CFA_advance_loc1:
7817 case DW_CFA_advance_loc2:
7820 case DW_CFA_advance_loc4:
7823 case DW_CFA_offset_extended:
7824 case DW_CFA_val_offset:
7827 if (frame_need_space (fc, reg) >= 0)
7828 fc->col_type[reg] = DW_CFA_undefined;
7830 case DW_CFA_restore_extended:
7832 if (frame_need_space (fc, reg) >= 0)
7833 fc->col_type[reg] = DW_CFA_undefined;
7835 case DW_CFA_undefined:
7837 if (frame_need_space (fc, reg) >= 0)
7838 fc->col_type[reg] = DW_CFA_undefined;
7840 case DW_CFA_same_value:
7842 if (frame_need_space (fc, reg) >= 0)
7843 fc->col_type[reg] = DW_CFA_undefined;
7845 case DW_CFA_register:
7848 if (frame_need_space (fc, reg) >= 0)
7849 fc->col_type[reg] = DW_CFA_undefined;
7851 case DW_CFA_def_cfa:
7855 case DW_CFA_def_cfa_register:
7858 case DW_CFA_def_cfa_offset:
7861 case DW_CFA_def_cfa_expression:
7863 new_start = start + temp;
7864 if (new_start < start)
7866 warn (_("Corrupt CFA_def expression value: %lu\n"), temp);
7872 case DW_CFA_expression:
7873 case DW_CFA_val_expression:
7876 new_start = start + temp;
7877 if (new_start < start)
7879 /* PR 17512: file:306-192417-0.005. */
7880 warn (_("Corrupt CFA expression value: %lu\n"), temp);
7885 if (frame_need_space (fc, reg) >= 0)
7886 fc->col_type[reg] = DW_CFA_undefined;
7888 case DW_CFA_offset_extended_sf:
7889 case DW_CFA_val_offset_sf:
7892 if (frame_need_space (fc, reg) >= 0)
7893 fc->col_type[reg] = DW_CFA_undefined;
7895 case DW_CFA_def_cfa_sf:
7899 case DW_CFA_def_cfa_offset_sf:
7902 case DW_CFA_MIPS_advance_loc8:
7905 case DW_CFA_GNU_args_size:
7908 case DW_CFA_GNU_negative_offset_extended:
7911 if (frame_need_space (fc, reg) >= 0)
7912 fc->col_type[reg] = DW_CFA_undefined;
7923 /* Now we know what registers are used, make a second pass over
7924 the chunk, this time actually printing out the info. */
7926 while (start < block_end)
7928 unsigned char * tmp;
7930 unsigned long ul, roffs;
7931 /* Note: It is tempting to use an unsigned long for 'reg' but there
7932 are various functions, notably frame_space_needed() that assume that
7933 reg is an unsigned int. */
7938 const char *reg_prefix = "";
7945 /* Make a note if something other than DW_CFA_nop happens. */
7946 if (op != DW_CFA_nop)
7949 /* Warning: if you add any more cases to this switch, be
7950 sure to add them to the corresponding switch above. */
7953 case DW_CFA_advance_loc:
7954 if (do_debug_frames_interp)
7955 frame_display_row (fc, &need_col_headers, &max_regs);
7957 printf (" DW_CFA_advance_loc: %d to %s\n",
7958 opa * fc->code_factor,
7959 dwarf_vmatoa_1 (NULL,
7960 fc->pc_begin + opa * fc->code_factor,
7962 fc->pc_begin += opa * fc->code_factor;
7967 if (opa >= (unsigned int) fc->ncols)
7968 reg_prefix = bad_reg;
7969 if (! do_debug_frames_interp || *reg_prefix != '\0')
7970 printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
7971 reg_prefix, regname (opa, 0),
7972 roffs * fc->data_factor);
7973 if (*reg_prefix == '\0')
7975 fc->col_type[opa] = DW_CFA_offset;
7976 fc->col_offset[opa] = roffs * fc->data_factor;
7980 case DW_CFA_restore:
7981 if (opa >= (unsigned int) fc->ncols)
7982 reg_prefix = bad_reg;
7983 if (! do_debug_frames_interp || *reg_prefix != '\0')
7984 printf (" DW_CFA_restore: %s%s\n",
7985 reg_prefix, regname (opa, 0));
7986 if (*reg_prefix != '\0')
7989 if (opa >= (unsigned int) cie->ncols
7990 || (do_debug_frames_interp
7991 && cie->col_type[opa] == DW_CFA_unreferenced))
7993 fc->col_type[opa] = DW_CFA_undefined;
7994 fc->col_offset[opa] = 0;
7998 fc->col_type[opa] = cie->col_type[opa];
7999 fc->col_offset[opa] = cie->col_offset[opa];
8003 case DW_CFA_set_loc:
8004 vma = get_encoded_value (&start, fc->fde_encoding, section, block_end);
8005 if (do_debug_frames_interp)
8006 frame_display_row (fc, &need_col_headers, &max_regs);
8008 printf (" DW_CFA_set_loc: %s\n",
8009 dwarf_vmatoa_1 (NULL, vma, fc->ptr_size));
8013 case DW_CFA_advance_loc1:
8014 SAFE_BYTE_GET_AND_INC (ofs, start, 1, end);
8015 if (do_debug_frames_interp)
8016 frame_display_row (fc, &need_col_headers, &max_regs);
8018 printf (" DW_CFA_advance_loc1: %ld to %s\n",
8019 (unsigned long) (ofs * fc->code_factor),
8020 dwarf_vmatoa_1 (NULL,
8021 fc->pc_begin + ofs * fc->code_factor,
8023 fc->pc_begin += ofs * fc->code_factor;
8026 case DW_CFA_advance_loc2:
8027 SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end);
8028 if (do_debug_frames_interp)
8029 frame_display_row (fc, &need_col_headers, &max_regs);
8031 printf (" DW_CFA_advance_loc2: %ld to %s\n",
8032 (unsigned long) (ofs * fc->code_factor),
8033 dwarf_vmatoa_1 (NULL,
8034 fc->pc_begin + ofs * fc->code_factor,
8036 fc->pc_begin += ofs * fc->code_factor;
8039 case DW_CFA_advance_loc4:
8040 SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end);
8041 if (do_debug_frames_interp)
8042 frame_display_row (fc, &need_col_headers, &max_regs);
8044 printf (" DW_CFA_advance_loc4: %ld to %s\n",
8045 (unsigned long) (ofs * fc->code_factor),
8046 dwarf_vmatoa_1 (NULL,
8047 fc->pc_begin + ofs * fc->code_factor,
8049 fc->pc_begin += ofs * fc->code_factor;
8052 case DW_CFA_offset_extended:
8055 if (reg >= (unsigned int) fc->ncols)
8056 reg_prefix = bad_reg;
8057 if (! do_debug_frames_interp || *reg_prefix != '\0')
8058 printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
8059 reg_prefix, regname (reg, 0),
8060 roffs * fc->data_factor);
8061 if (*reg_prefix == '\0')
8063 fc->col_type[reg] = DW_CFA_offset;
8064 fc->col_offset[reg] = roffs * fc->data_factor;
8068 case DW_CFA_val_offset:
8071 if (reg >= (unsigned int) fc->ncols)
8072 reg_prefix = bad_reg;
8073 if (! do_debug_frames_interp || *reg_prefix != '\0')
8074 printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n",
8075 reg_prefix, regname (reg, 0),
8076 roffs * fc->data_factor);
8077 if (*reg_prefix == '\0')
8079 fc->col_type[reg] = DW_CFA_val_offset;
8080 fc->col_offset[reg] = roffs * fc->data_factor;
8084 case DW_CFA_restore_extended:
8086 if (reg >= (unsigned int) fc->ncols)
8087 reg_prefix = bad_reg;
8088 if (! do_debug_frames_interp || *reg_prefix != '\0')
8089 printf (" DW_CFA_restore_extended: %s%s\n",
8090 reg_prefix, regname (reg, 0));
8091 if (*reg_prefix != '\0')
8094 if (reg >= (unsigned int) cie->ncols)
8096 fc->col_type[reg] = DW_CFA_undefined;
8097 fc->col_offset[reg] = 0;
8101 fc->col_type[reg] = cie->col_type[reg];
8102 fc->col_offset[reg] = cie->col_offset[reg];
8106 case DW_CFA_undefined:
8108 if (reg >= (unsigned int) fc->ncols)
8109 reg_prefix = bad_reg;
8110 if (! do_debug_frames_interp || *reg_prefix != '\0')
8111 printf (" DW_CFA_undefined: %s%s\n",
8112 reg_prefix, regname (reg, 0));
8113 if (*reg_prefix == '\0')
8115 fc->col_type[reg] = DW_CFA_undefined;
8116 fc->col_offset[reg] = 0;
8120 case DW_CFA_same_value:
8122 if (reg >= (unsigned int) fc->ncols)
8123 reg_prefix = bad_reg;
8124 if (! do_debug_frames_interp || *reg_prefix != '\0')
8125 printf (" DW_CFA_same_value: %s%s\n",
8126 reg_prefix, regname (reg, 0));
8127 if (*reg_prefix == '\0')
8129 fc->col_type[reg] = DW_CFA_same_value;
8130 fc->col_offset[reg] = 0;
8134 case DW_CFA_register:
8137 if (reg >= (unsigned int) fc->ncols)
8138 reg_prefix = bad_reg;
8139 if (! do_debug_frames_interp || *reg_prefix != '\0')
8141 printf (" DW_CFA_register: %s%s in ",
8142 reg_prefix, regname (reg, 0));
8143 puts (regname (roffs, 0));
8145 if (*reg_prefix == '\0')
8147 fc->col_type[reg] = DW_CFA_register;
8148 fc->col_offset[reg] = roffs;
8152 case DW_CFA_remember_state:
8153 if (! do_debug_frames_interp)
8154 printf (" DW_CFA_remember_state\n");
8155 rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
8156 rs->cfa_offset = fc->cfa_offset;
8157 rs->cfa_reg = fc->cfa_reg;
8159 rs->cfa_exp = fc->cfa_exp;
8160 rs->ncols = fc->ncols;
8161 rs->col_type = (short int *) xcmalloc (rs->ncols,
8162 sizeof (* rs->col_type));
8163 rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset));
8164 memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type));
8165 memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset));
8166 rs->next = remembered_state;
8167 remembered_state = rs;
8170 case DW_CFA_restore_state:
8171 if (! do_debug_frames_interp)
8172 printf (" DW_CFA_restore_state\n");
8173 rs = remembered_state;
8176 remembered_state = rs->next;
8177 fc->cfa_offset = rs->cfa_offset;
8178 fc->cfa_reg = rs->cfa_reg;
8180 fc->cfa_exp = rs->cfa_exp;
8181 if (frame_need_space (fc, rs->ncols - 1) < 0)
8183 warn (_("Invalid column number in saved frame state\n"));
8187 memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type));
8188 memcpy (fc->col_offset, rs->col_offset,
8189 rs->ncols * sizeof (* rs->col_offset));
8190 free (rs->col_type);
8191 free (rs->col_offset);
8194 else if (do_debug_frames_interp)
8195 printf ("Mismatched DW_CFA_restore_state\n");
8198 case DW_CFA_def_cfa:
8199 READ_ULEB (fc->cfa_reg);
8200 READ_ULEB (fc->cfa_offset);
8202 if (! do_debug_frames_interp)
8203 printf (" DW_CFA_def_cfa: %s ofs %d\n",
8204 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
8207 case DW_CFA_def_cfa_register:
8208 READ_ULEB (fc->cfa_reg);
8210 if (! do_debug_frames_interp)
8211 printf (" DW_CFA_def_cfa_register: %s\n",
8212 regname (fc->cfa_reg, 0));
8215 case DW_CFA_def_cfa_offset:
8216 READ_ULEB (fc->cfa_offset);
8217 if (! do_debug_frames_interp)
8218 printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset);
8222 if (! do_debug_frames_interp)
8223 printf (" DW_CFA_nop\n");
8226 case DW_CFA_def_cfa_expression:
8228 if (start >= block_end || ul > (unsigned long) (block_end - start))
8230 printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul);
8233 if (! do_debug_frames_interp)
8235 printf (" DW_CFA_def_cfa_expression (");
8236 decode_location_expression (start, eh_addr_size, 0, -1,
8244 case DW_CFA_expression:
8247 if (reg >= (unsigned int) fc->ncols)
8248 reg_prefix = bad_reg;
8249 /* PR 17512: file: 069-133014-0.006. */
8250 /* PR 17512: file: 98c02eb4. */
8252 if (start >= block_end || tmp > block_end || tmp < start)
8254 printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul);
8257 if (! do_debug_frames_interp || *reg_prefix != '\0')
8259 printf (" DW_CFA_expression: %s%s (",
8260 reg_prefix, regname (reg, 0));
8261 decode_location_expression (start, eh_addr_size, 0, -1,
8265 if (*reg_prefix == '\0')
8266 fc->col_type[reg] = DW_CFA_expression;
8270 case DW_CFA_val_expression:
8273 if (reg >= (unsigned int) fc->ncols)
8274 reg_prefix = bad_reg;
8276 if (start >= block_end || tmp > block_end || tmp < start)
8278 printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul);
8281 if (! do_debug_frames_interp || *reg_prefix != '\0')
8283 printf (" DW_CFA_val_expression: %s%s (",
8284 reg_prefix, regname (reg, 0));
8285 decode_location_expression (start, eh_addr_size, 0, -1,
8289 if (*reg_prefix == '\0')
8290 fc->col_type[reg] = DW_CFA_val_expression;
8294 case DW_CFA_offset_extended_sf:
8297 if (frame_need_space (fc, reg) < 0)
8298 reg_prefix = bad_reg;
8299 if (! do_debug_frames_interp || *reg_prefix != '\0')
8300 printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
8301 reg_prefix, regname (reg, 0),
8302 (long)(l * fc->data_factor));
8303 if (*reg_prefix == '\0')
8305 fc->col_type[reg] = DW_CFA_offset;
8306 fc->col_offset[reg] = l * fc->data_factor;
8310 case DW_CFA_val_offset_sf:
8313 if (frame_need_space (fc, reg) < 0)
8314 reg_prefix = bad_reg;
8315 if (! do_debug_frames_interp || *reg_prefix != '\0')
8316 printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n",
8317 reg_prefix, regname (reg, 0),
8318 (long)(l * fc->data_factor));
8319 if (*reg_prefix == '\0')
8321 fc->col_type[reg] = DW_CFA_val_offset;
8322 fc->col_offset[reg] = l * fc->data_factor;
8326 case DW_CFA_def_cfa_sf:
8327 READ_ULEB (fc->cfa_reg);
8328 READ_ULEB (fc->cfa_offset);
8329 fc->cfa_offset = fc->cfa_offset * fc->data_factor;
8331 if (! do_debug_frames_interp)
8332 printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
8333 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
8336 case DW_CFA_def_cfa_offset_sf:
8337 READ_ULEB (fc->cfa_offset);
8338 fc->cfa_offset *= fc->data_factor;
8339 if (! do_debug_frames_interp)
8340 printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset);
8343 case DW_CFA_MIPS_advance_loc8:
8344 SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end);
8345 if (do_debug_frames_interp)
8346 frame_display_row (fc, &need_col_headers, &max_regs);
8348 printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n",
8349 (unsigned long) (ofs * fc->code_factor),
8350 dwarf_vmatoa_1 (NULL,
8351 fc->pc_begin + ofs * fc->code_factor,
8353 fc->pc_begin += ofs * fc->code_factor;
8356 case DW_CFA_GNU_window_save:
8357 if (! do_debug_frames_interp)
8358 printf (" DW_CFA_GNU_window_save\n");
8361 case DW_CFA_GNU_args_size:
8363 if (! do_debug_frames_interp)
8364 printf (" DW_CFA_GNU_args_size: %ld\n", ul);
8367 case DW_CFA_GNU_negative_offset_extended:
8371 if (frame_need_space (fc, reg) < 0)
8372 reg_prefix = bad_reg;
8373 if (! do_debug_frames_interp || *reg_prefix != '\0')
8374 printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
8375 reg_prefix, regname (reg, 0),
8376 (long)(l * fc->data_factor));
8377 if (*reg_prefix == '\0')
8379 fc->col_type[reg] = DW_CFA_offset;
8380 fc->col_offset[reg] = l * fc->data_factor;
8385 if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
8386 printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
8388 warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
8393 /* Interpret the CFA - as long as it is not completely full of NOPs. */
8394 if (do_debug_frames_interp && ! all_nops)
8395 frame_display_row (fc, &need_col_headers, &max_regs);
8398 eh_addr_size = saved_eh_addr_size;
8403 while (remembered_state != NULL)
8405 rs = remembered_state;
8406 remembered_state = rs->next;
8407 free (rs->col_type);
8408 free (rs->col_offset);
8409 rs->next = NULL; /* Paranoia. */
8413 while (chunks != NULL)
8417 free (rs->col_type);
8418 free (rs->col_offset);
8419 rs->next = NULL; /* Paranoia. */
8423 while (forward_refs != NULL)
8426 forward_refs = rs->next;
8427 free (rs->col_type);
8428 free (rs->col_offset);
8429 rs->next = NULL; /* Paranoia. */
8439 display_debug_names (struct dwarf_section *section, void *file)
8441 unsigned char *hdrptr = section->start;
8442 dwarf_vma unit_length;
8443 unsigned char *unit_start;
8444 const unsigned char *const section_end = section->start + section->size;
8445 unsigned char *unit_end;
8447 introduce (section, FALSE);
8449 load_debug_section_with_follow (str, file);
8451 for (; hdrptr < section_end; hdrptr = unit_end)
8453 unsigned int offset_size;
8454 uint16_t dwarf_version, padding;
8455 uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count;
8456 uint32_t bucket_count, name_count, abbrev_table_size;
8457 uint32_t augmentation_string_size;
8459 unsigned long sec_off;
8461 unit_start = hdrptr;
8463 /* Get and check the length of the block. */
8464 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end);
8466 if (unit_length == 0xffffffff)
8468 /* This section is 64-bit DWARF. */
8469 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end);
8474 unit_end = hdrptr + unit_length;
8476 sec_off = hdrptr - section->start;
8477 if (sec_off + unit_length < sec_off
8478 || sec_off + unit_length > section->size)
8480 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
8482 (unsigned long) (unit_start - section->start),
8483 dwarf_vmatoa ("x", unit_length));
8487 /* Get and check the version number. */
8488 SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end);
8489 printf (_("Version %ld\n"), (long) dwarf_version);
8491 /* Prior versions did not exist, and future versions may not be
8492 backwards compatible. */
8493 if (dwarf_version != 5)
8495 warn (_("Only DWARF version 5 .debug_names "
8496 "is currently supported.\n"));
8500 SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end);
8502 warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"),
8505 SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end);
8506 if (comp_unit_count == 0)
8507 warn (_("Compilation unit count must be >= 1 in .debug_names\n"));
8509 SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end);
8510 SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end);
8511 SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end);
8512 SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end);
8513 SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end);
8515 SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end);
8516 if (augmentation_string_size % 4 != 0)
8518 warn (_("Augmentation string length %u must be rounded up "
8519 "to a multiple of 4 in .debug_names.\n"),
8520 augmentation_string_size);
8521 augmentation_string_size += (-augmentation_string_size) & 3;
8523 printf (_("Augmentation string:"));
8524 for (i = 0; i < augmentation_string_size; i++)
8528 SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end);
8529 printf (" %02x", uc);
8534 printf (_("CU table:\n"));
8535 for (i = 0; i < comp_unit_count; i++)
8539 SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end);
8540 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset);
8544 printf (_("TU table:\n"));
8545 for (i = 0; i < local_type_unit_count; i++)
8549 SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end);
8550 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset);
8554 printf (_("Foreign TU table:\n"));
8555 for (i = 0; i < foreign_type_unit_count; i++)
8559 SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end);
8560 printf (_("[%3u] "), i);
8561 print_dwarf_vma (signature, 8);
8566 const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr;
8567 hdrptr += bucket_count * sizeof (uint32_t);
8568 const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr;
8569 hdrptr += name_count * sizeof (uint32_t);
8570 unsigned char *const name_table_string_offsets = hdrptr;
8571 hdrptr += name_count * offset_size;
8572 unsigned char *const name_table_entry_offsets = hdrptr;
8573 hdrptr += name_count * offset_size;
8574 unsigned char *const abbrev_table = hdrptr;
8575 hdrptr += abbrev_table_size;
8576 const unsigned char *const abbrev_table_end = hdrptr;
8577 unsigned char *const entry_pool = hdrptr;
8578 if (hdrptr > unit_end)
8580 warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx "
8581 "for unit 0x%lx in the debug_names\n"),
8582 (long) (hdrptr - section->start),
8583 (long) (unit_end - section->start),
8584 (long) (unit_start - section->start));
8588 size_t buckets_filled = 0;
8590 for (bucketi = 0; bucketi < bucket_count; bucketi++)
8592 const uint32_t bucket = hash_table_buckets[bucketi];
8597 printf (ngettext ("Used %zu of %lu bucket.\n",
8598 "Used %zu of %lu buckets.\n",
8600 buckets_filled, (unsigned long) bucket_count);
8602 uint32_t hash_prev = 0;
8603 size_t hash_clash_count = 0;
8604 size_t longest_clash = 0;
8605 size_t this_length = 0;
8607 for (hashi = 0; hashi < name_count; hashi++)
8609 const uint32_t hash_this = hash_table_hashes[hashi];
8613 if (hash_prev % bucket_count == hash_this % bucket_count)
8617 longest_clash = MAX (longest_clash, this_length);
8622 hash_prev = hash_this;
8624 printf (_("Out of %lu items there are %zu bucket clashes"
8625 " (longest of %zu entries).\n"),
8626 (unsigned long) name_count, hash_clash_count, longest_clash);
8627 assert (name_count == buckets_filled + hash_clash_count);
8629 struct abbrev_lookup_entry
8631 dwarf_vma abbrev_tag;
8632 unsigned char *abbrev_lookup_ptr;
8634 struct abbrev_lookup_entry *abbrev_lookup = NULL;
8635 size_t abbrev_lookup_used = 0;
8636 size_t abbrev_lookup_allocated = 0;
8638 unsigned char *abbrevptr = abbrev_table;
8641 unsigned int bytes_read;
8642 const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read,
8644 abbrevptr += bytes_read;
8645 if (abbrev_tag == 0)
8647 if (abbrev_lookup_used == abbrev_lookup_allocated)
8649 abbrev_lookup_allocated = MAX (0x100,
8650 abbrev_lookup_allocated * 2);
8651 abbrev_lookup = xrealloc (abbrev_lookup,
8652 (abbrev_lookup_allocated
8653 * sizeof (*abbrev_lookup)));
8655 assert (abbrev_lookup_used < abbrev_lookup_allocated);
8656 struct abbrev_lookup_entry *entry;
8657 for (entry = abbrev_lookup;
8658 entry < abbrev_lookup + abbrev_lookup_used;
8660 if (entry->abbrev_tag == abbrev_tag)
8662 warn (_("Duplicate abbreviation tag %lu "
8663 "in unit 0x%lx in the debug_names\n"),
8664 (long) abbrev_tag, (long) (unit_start - section->start));
8667 entry = &abbrev_lookup[abbrev_lookup_used++];
8668 entry->abbrev_tag = abbrev_tag;
8669 entry->abbrev_lookup_ptr = abbrevptr;
8671 /* Skip DWARF tag. */
8672 read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end);
8673 abbrevptr += bytes_read;
8676 const dwarf_vma xindex = read_uleb128 (abbrevptr,
8679 abbrevptr += bytes_read;
8680 const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
8682 abbrevptr += bytes_read;
8683 if (xindex == 0 && form == 0)
8688 printf (_("\nSymbol table:\n"));
8690 for (namei = 0; namei < name_count; ++namei)
8692 uint64_t string_offset, entry_offset;
8694 SAFE_BYTE_GET (string_offset,
8695 name_table_string_offsets + namei * offset_size,
8696 offset_size, unit_end);
8697 SAFE_BYTE_GET (entry_offset,
8698 name_table_entry_offsets + namei * offset_size,
8699 offset_size, unit_end);
8701 printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei],
8702 fetch_indirect_string (string_offset));
8704 unsigned char *entryptr = entry_pool + entry_offset;
8706 // We need to scan first whether there is a single or multiple
8707 // entries. TAGNO is -2 for the first entry, it is -1 for the
8708 // initial tag read of the second entry, then it becomes 0 for the
8709 // first entry for real printing etc.
8711 /* Initialize it due to a false compiler warning. */
8712 dwarf_vma second_abbrev_tag = -1;
8715 unsigned int bytes_read;
8716 const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read,
8718 entryptr += bytes_read;
8721 second_abbrev_tag = abbrev_tag;
8723 entryptr = entry_pool + entry_offset;
8726 if (abbrev_tag == 0)
8730 (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"),
8731 (unsigned long) abbrev_tag);
8733 const struct abbrev_lookup_entry *entry;
8734 for (entry = abbrev_lookup;
8735 entry < abbrev_lookup + abbrev_lookup_used;
8737 if (entry->abbrev_tag == abbrev_tag)
8739 if (entry >= abbrev_lookup + abbrev_lookup_used)
8741 warn (_("Undefined abbreviation tag %lu "
8742 "in unit 0x%lx in the debug_names\n"),
8744 (long) (unit_start - section->start));
8747 abbrevptr = entry->abbrev_lookup_ptr;
8748 const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read,
8750 abbrevptr += bytes_read;
8752 printf (" %s", get_TAG_name (dwarf_tag));
8755 const dwarf_vma xindex = read_uleb128 (abbrevptr,
8758 abbrevptr += bytes_read;
8759 const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
8761 abbrevptr += bytes_read;
8762 if (xindex == 0 && form == 0)
8766 printf (" %s", get_IDX_name (xindex));
8767 entryptr = read_and_display_attr_value (0, form, 0, entryptr,
8770 dwarf_version, NULL,
8777 printf (_(" <no entries>"));
8781 free (abbrev_lookup);
8788 display_debug_links (struct dwarf_section * section,
8789 void * file ATTRIBUTE_UNUSED)
8791 const unsigned char * filename;
8792 unsigned int filelen;
8794 introduce (section, FALSE);
8796 /* The .gnu_debuglink section is formatted as:
8797 (c-string) Filename.
8798 (padding) If needed to reach a 4 byte boundary.
8799 (uint32_t) CRC32 value.
8801 The .gun_debugaltlink section is formatted as:
8802 (c-string) Filename.
8803 (binary) Build-ID. */
8805 filename = section->start;
8806 filelen = strnlen ((const char *) filename, section->size);
8807 if (filelen == section->size)
8809 warn (_("The debuglink filename is corrupt/missing\n"));
8813 printf (_(" Separate debug info file: %s\n"), filename);
8815 if (const_strneq (section->name, ".gnu_debuglink"))
8818 unsigned int crc_offset;
8820 crc_offset = filelen + 1;
8821 crc_offset = (crc_offset + 3) & ~3;
8822 if (crc_offset + 4 > section->size)
8824 warn (_("CRC offset missing/truncated\n"));
8828 crc32 = byte_get (filename + crc_offset, 4);
8830 printf (_(" CRC value: %#x\n"), crc32);
8832 if (crc_offset + 4 < section->size)
8834 warn (_("There are %#lx extraneous bytes at the end of the section\n"),
8835 (long)(section->size - (crc_offset + 4)));
8839 else /* const_strneq (section->name, ".gnu_debugaltlink") */
8841 const unsigned char * build_id = section->start + filelen + 1;
8842 bfd_size_type build_id_len = section->size - (filelen + 1);
8843 bfd_size_type printed;
8845 /* FIXME: Should we support smaller build-id notes ? */
8846 if (build_id_len < 0x14)
8848 warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len);
8852 printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len);
8853 display_data (printed, build_id, build_id_len);
8862 display_gdb_index (struct dwarf_section *section,
8863 void *file ATTRIBUTE_UNUSED)
8865 unsigned char *start = section->start;
8867 uint32_t cu_list_offset, tu_list_offset;
8868 uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
8869 unsigned int cu_list_elements, tu_list_elements;
8870 unsigned int address_table_size, symbol_table_slots;
8871 unsigned char *cu_list, *tu_list;
8872 unsigned char *address_table, *symbol_table, *constant_pool;
8875 /* The documentation for the format of this file is in gdb/dwarf2read.c. */
8877 introduce (section, FALSE);
8879 if (section->size < 6 * sizeof (uint32_t))
8881 warn (_("Truncated header in the %s section.\n"), section->name);
8885 version = byte_get_little_endian (start, 4);
8886 printf (_("Version %ld\n"), (long) version);
8888 /* Prior versions are obsolete, and future versions may not be
8889 backwards compatible. */
8890 if (version < 3 || version > 8)
8892 warn (_("Unsupported version %lu.\n"), (unsigned long) version);
8896 warn (_("The address table data in version 3 may be wrong.\n"));
8898 warn (_("Version 4 does not support case insensitive lookups.\n"));
8900 warn (_("Version 5 does not include inlined functions.\n"));
8902 warn (_("Version 6 does not include symbol attributes.\n"));
8903 /* Version 7 indices generated by Gold have bad type unit references,
8904 PR binutils/15021. But we don't know if the index was generated by
8905 Gold or not, so to avoid worrying users with gdb-generated indices
8906 we say nothing for version 7 here. */
8908 cu_list_offset = byte_get_little_endian (start + 4, 4);
8909 tu_list_offset = byte_get_little_endian (start + 8, 4);
8910 address_table_offset = byte_get_little_endian (start + 12, 4);
8911 symbol_table_offset = byte_get_little_endian (start + 16, 4);
8912 constant_pool_offset = byte_get_little_endian (start + 20, 4);
8914 if (cu_list_offset > section->size
8915 || tu_list_offset > section->size
8916 || address_table_offset > section->size
8917 || symbol_table_offset > section->size
8918 || constant_pool_offset > section->size)
8920 warn (_("Corrupt header in the %s section.\n"), section->name);
8924 /* PR 17531: file: 418d0a8a. */
8925 if (tu_list_offset < cu_list_offset)
8927 warn (_("TU offset (%x) is less than CU offset (%x)\n"),
8928 tu_list_offset, cu_list_offset);
8932 cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
8934 if (address_table_offset < tu_list_offset)
8936 warn (_("Address table offset (%x) is less than TU offset (%x)\n"),
8937 address_table_offset, tu_list_offset);
8941 tu_list_elements = (address_table_offset - tu_list_offset) / 8;
8943 /* PR 17531: file: 18a47d3d. */
8944 if (symbol_table_offset < address_table_offset)
8946 warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"),
8947 symbol_table_offset, address_table_offset);
8951 address_table_size = symbol_table_offset - address_table_offset;
8953 if (constant_pool_offset < symbol_table_offset)
8955 warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"),
8956 constant_pool_offset, symbol_table_offset);
8960 symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
8962 cu_list = start + cu_list_offset;
8963 tu_list = start + tu_list_offset;
8964 address_table = start + address_table_offset;
8965 symbol_table = start + symbol_table_offset;
8966 constant_pool = start + constant_pool_offset;
8968 if (address_table + address_table_size > section->start + section->size)
8970 warn (_("Address table extends beyond end of section.\n"));
8974 printf (_("\nCU table:\n"));
8975 for (i = 0; i < cu_list_elements; i += 2)
8977 uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
8978 uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
8980 printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
8981 (unsigned long) cu_offset,
8982 (unsigned long) (cu_offset + cu_length - 1));
8985 printf (_("\nTU table:\n"));
8986 for (i = 0; i < tu_list_elements; i += 3)
8988 uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
8989 uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
8990 uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
8992 printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
8993 (unsigned long) tu_offset,
8994 (unsigned long) type_offset);
8995 print_dwarf_vma (signature, 8);
8999 printf (_("\nAddress table:\n"));
9000 for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4);
9003 uint64_t low = byte_get_little_endian (address_table + i, 8);
9004 uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
9005 uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
9007 print_dwarf_vma (low, 8);
9008 print_dwarf_vma (high, 8);
9009 printf (_("%lu\n"), (unsigned long) cu_index);
9012 printf (_("\nSymbol table:\n"));
9013 for (i = 0; i < symbol_table_slots; ++i)
9015 uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
9016 uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
9017 uint32_t num_cus, cu;
9019 if (name_offset != 0
9020 || cu_vector_offset != 0)
9023 unsigned char * adr;
9025 adr = constant_pool + name_offset;
9026 /* PR 17531: file: 5b7b07ad. */
9027 if (adr < constant_pool || adr >= section->start + section->size)
9029 printf (_("[%3u] <corrupt offset: %x>"), i, name_offset);
9030 warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"),
9034 printf ("[%3u] %.*s:", i,
9035 (int) (section->size - (constant_pool_offset + name_offset)),
9036 constant_pool + name_offset);
9038 adr = constant_pool + cu_vector_offset;
9039 if (adr < constant_pool || adr >= section->start + section->size - 3)
9041 printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset);
9042 warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"),
9043 cu_vector_offset, i);
9047 num_cus = byte_get_little_endian (adr, 4);
9049 adr = constant_pool + cu_vector_offset + 4 + num_cus * 4;
9050 if (num_cus * 4 < num_cus
9051 || adr >= section->start + section->size
9052 || adr < constant_pool)
9054 printf ("<invalid number of CUs: %d>\n", num_cus);
9055 warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"),
9063 for (j = 0; j < num_cus; ++j)
9066 gdb_index_symbol_kind kind;
9068 cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
9069 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
9070 kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
9071 cu = GDB_INDEX_CU_VALUE (cu);
9072 /* Convert to TU number if it's for a type unit. */
9073 if (cu >= cu_list_elements / 2)
9074 printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
9075 (unsigned long) (cu - cu_list_elements / 2));
9077 printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
9079 printf (" [%s, %s]",
9080 is_static ? _("static") : _("global"),
9081 get_gdb_index_symbol_kind_name (kind));
9093 /* Pre-allocate enough space for the CU/TU sets needed. */
9096 prealloc_cu_tu_list (unsigned int nshndx)
9098 if (shndx_pool == NULL)
9100 shndx_pool_size = nshndx;
9101 shndx_pool_used = 0;
9102 shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
9103 sizeof (unsigned int));
9107 shndx_pool_size = shndx_pool_used + nshndx;
9108 shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
9109 sizeof (unsigned int));
9114 add_shndx_to_cu_tu_entry (unsigned int shndx)
9116 if (shndx_pool_used >= shndx_pool_size)
9118 error (_("Internal error: out of space in the shndx pool.\n"));
9121 shndx_pool [shndx_pool_used++] = shndx;
9125 end_cu_tu_entry (void)
9127 if (shndx_pool_used >= shndx_pool_size)
9129 error (_("Internal error: out of space in the shndx pool.\n"));
9132 shndx_pool [shndx_pool_used++] = 0;
9135 /* Return the short name of a DWARF section given by a DW_SECT enumerator. */
9138 get_DW_SECT_short_name (unsigned int dw_sect)
9140 static char buf[16];
9148 case DW_SECT_ABBREV:
9154 case DW_SECT_STR_OFFSETS:
9156 case DW_SECT_MACINFO:
9164 snprintf (buf, sizeof (buf), "%d", dw_sect);
9168 /* Process a CU or TU index. If DO_DISPLAY is true, print the contents.
9169 These sections are extensions for Fission.
9170 See http://gcc.gnu.org/wiki/DebugFissionDWP. */
9173 process_cu_tu_index (struct dwarf_section *section, int do_display)
9175 unsigned char *phdr = section->start;
9176 unsigned char *limit = phdr + section->size;
9177 unsigned char *phash;
9178 unsigned char *pindex;
9179 unsigned char *ppool;
9180 unsigned int version;
9181 unsigned int ncols = 0;
9183 unsigned int nslots;
9186 dwarf_vma signature_high;
9187 dwarf_vma signature_low;
9190 /* PR 17512: file: 002-168123-0.004. */
9193 warn (_("Section %s is empty\n"), section->name);
9196 /* PR 17512: file: 002-376-0.004. */
9197 if (section->size < 24)
9199 warn (_("Section %s is too small to contain a CU/TU header\n"),
9204 SAFE_BYTE_GET (version, phdr, 4, limit);
9206 SAFE_BYTE_GET (ncols, phdr + 4, 4, limit);
9207 SAFE_BYTE_GET (nused, phdr + 8, 4, limit);
9208 SAFE_BYTE_GET (nslots, phdr + 12, 4, limit);
9211 pindex = phash + nslots * 8;
9212 ppool = pindex + nslots * 4;
9214 /* PR 17531: file: 45d69832. */
9215 if (pindex < phash || ppool < phdr || (pindex == phash && nslots != 0))
9217 warn (ngettext ("Section %s is too small for %d slot\n",
9218 "Section %s is too small for %d slots\n",
9220 section->name, nslots);
9226 introduce (section, FALSE);
9228 printf (_(" Version: %d\n"), version);
9230 printf (_(" Number of columns: %d\n"), ncols);
9231 printf (_(" Number of used entries: %d\n"), nused);
9232 printf (_(" Number of slots: %d\n\n"), nslots);
9235 if (ppool > limit || ppool < phdr)
9237 warn (_("Section %s too small for %d hash table entries\n"),
9238 section->name, nslots);
9245 prealloc_cu_tu_list ((limit - ppool) / 4);
9246 for (i = 0; i < nslots; i++)
9248 unsigned char *shndx_list;
9251 SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit);
9252 if (signature_high != 0 || signature_low != 0)
9254 SAFE_BYTE_GET (j, pindex, 4, limit);
9255 shndx_list = ppool + j * 4;
9256 /* PR 17531: file: 705e010d. */
9257 if (shndx_list < ppool)
9259 warn (_("Section index pool located before start of section\n"));
9264 printf (_(" [%3d] Signature: 0x%s Sections: "),
9265 i, dwarf_vmatoa64 (signature_high, signature_low,
9266 buf, sizeof (buf)));
9269 if (shndx_list >= limit)
9271 warn (_("Section %s too small for shndx pool\n"),
9275 SAFE_BYTE_GET (shndx, shndx_list, 4, limit);
9279 printf (" %d", shndx);
9281 add_shndx_to_cu_tu_entry (shndx);
9293 else if (version == 2)
9296 unsigned int dw_sect;
9297 unsigned char *ph = phash;
9298 unsigned char *pi = pindex;
9299 unsigned char *poffsets = ppool + ncols * 4;
9300 unsigned char *psizes = poffsets + nused * ncols * 4;
9301 unsigned char *pend = psizes + nused * ncols * 4;
9302 bfd_boolean is_tu_index;
9303 struct cu_tu_set *this_set = NULL;
9305 unsigned char *prow;
9307 is_tu_index = strcmp (section->name, ".debug_tu_index") == 0;
9309 /* PR 17531: file: 0dd159bf.
9310 Check for wraparound with an overlarge ncols value. */
9311 if (poffsets < ppool || (unsigned int) ((poffsets - ppool) / 4) != ncols)
9313 warn (_("Overlarge number of columns: %x\n"), ncols);
9319 warn (_("Section %s too small for offset and size tables\n"),
9326 printf (_(" Offset table\n"));
9327 printf (" slot %-16s ",
9328 is_tu_index ? _("signature") : _("dwo_id"));
9335 tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
9341 cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
9348 for (j = 0; j < ncols; j++)
9350 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
9351 printf (" %8s", get_DW_SECT_short_name (dw_sect));
9356 for (i = 0; i < nslots; i++)
9358 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9360 SAFE_BYTE_GET (row, pi, 4, limit);
9363 /* PR 17531: file: a05f6ab3. */
9366 warn (_("Row index (%u) is larger than number of used entries (%u)\n"),
9373 size_t num_copy = sizeof (uint64_t);
9375 /* PR 23064: Beware of buffer overflow. */
9376 if (ph + num_copy < limit)
9377 memcpy (&this_set[row - 1].signature, ph, num_copy);
9380 warn (_("Signature (%p) extends beyond end of space in section\n"), ph);
9385 prow = poffsets + (row - 1) * ncols * 4;
9386 /* PR 17531: file: b8ce60a8. */
9387 if (prow < poffsets || prow > limit)
9389 warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"),
9395 printf (_(" [%3d] 0x%s"),
9396 i, dwarf_vmatoa64 (signature_high, signature_low,
9397 buf, sizeof (buf)));
9398 for (j = 0; j < ncols; j++)
9400 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
9402 printf (" %8d", val);
9405 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
9407 /* PR 17531: file: 10796eb3. */
9408 if (dw_sect >= DW_SECT_MAX)
9409 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9411 this_set [row - 1].section_offsets [dw_sect] = val;
9427 printf (_(" Size table\n"));
9428 printf (" slot %-16s ",
9429 is_tu_index ? _("signature") : _("dwo_id"));
9432 for (j = 0; j < ncols; j++)
9434 SAFE_BYTE_GET (val, ppool + j * 4, 4, limit);
9436 printf (" %8s", get_DW_SECT_short_name (val));
9442 for (i = 0; i < nslots; i++)
9444 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9446 SAFE_BYTE_GET (row, pi, 4, limit);
9449 prow = psizes + (row - 1) * ncols * 4;
9452 printf (_(" [%3d] 0x%s"),
9453 i, dwarf_vmatoa64 (signature_high, signature_low,
9454 buf, sizeof (buf)));
9456 for (j = 0; j < ncols; j++)
9458 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
9460 printf (" %8d", val);
9463 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
9464 if (dw_sect >= DW_SECT_MAX)
9465 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9467 this_set [row - 1].section_sizes [dw_sect] = val;
9479 else if (do_display)
9480 printf (_(" Unsupported version (%d)\n"), version);
9488 /* Load the CU and TU indexes if present. This will build a list of
9489 section sets that we can use to associate a .debug_info.dwo section
9490 with its associated .debug_abbrev.dwo section in a .dwp file. */
9493 load_cu_tu_indexes (void *file)
9495 static int cu_tu_indexes_read = -1; /* Tri-state variable. */
9497 /* If we have already loaded (or tried to load) the CU and TU indexes
9498 then do not bother to repeat the task. */
9499 if (cu_tu_indexes_read == -1)
9501 cu_tu_indexes_read = TRUE;
9503 if (load_debug_section_with_follow (dwp_cu_index, file))
9504 if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0))
9505 cu_tu_indexes_read = FALSE;
9507 if (load_debug_section_with_follow (dwp_tu_index, file))
9508 if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0))
9509 cu_tu_indexes_read = FALSE;
9512 return (bfd_boolean) cu_tu_indexes_read;
9515 /* Find the set of sections that includes section SHNDX. */
9518 find_cu_tu_set (void *file, unsigned int shndx)
9522 if (! load_cu_tu_indexes (file))
9525 /* Find SHNDX in the shndx pool. */
9526 for (i = 0; i < shndx_pool_used; i++)
9527 if (shndx_pool [i] == shndx)
9530 if (i >= shndx_pool_used)
9533 /* Now backup to find the first entry in the set. */
9534 while (i > 0 && shndx_pool [i - 1] != 0)
9537 return shndx_pool + i;
9540 /* Display a .debug_cu_index or .debug_tu_index section. */
9543 display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
9545 return process_cu_tu_index (section, 1);
9549 display_debug_not_supported (struct dwarf_section *section,
9550 void *file ATTRIBUTE_UNUSED)
9552 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
9558 /* Like malloc, but takes two parameters like calloc.
9559 Verifies that the first parameter is not too large.
9560 Note: does *not* initialise the allocated memory to zero. */
9563 cmalloc (size_t nmemb, size_t size)
9565 /* Check for overflow. */
9566 if (nmemb >= ~(size_t) 0 / size)
9569 return xmalloc (nmemb * size);
9572 /* Like xmalloc, but takes two parameters like calloc.
9573 Verifies that the first parameter is not too large.
9574 Note: does *not* initialise the allocated memory to zero. */
9577 xcmalloc (size_t nmemb, size_t size)
9579 /* Check for overflow. */
9580 if (nmemb >= ~(size_t) 0 / size)
9583 _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"),
9588 return xmalloc (nmemb * size);
9591 /* Like xrealloc, but takes three parameters.
9592 Verifies that the second parameter is not too large.
9593 Note: does *not* initialise any new memory to zero. */
9596 xcrealloc (void *ptr, size_t nmemb, size_t size)
9598 /* Check for overflow. */
9599 if (nmemb >= ~(size_t) 0 / size)
9601 error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"),
9606 return xrealloc (ptr, nmemb * size);
9609 /* Like xcalloc, but verifies that the first parameter is not too large. */
9612 xcalloc2 (size_t nmemb, size_t size)
9614 /* Check for overflow. */
9615 if (nmemb >= ~(size_t) 0 / size)
9617 error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"),
9622 return xcalloc (nmemb, size);
9625 static unsigned long
9626 calc_gnu_debuglink_crc32 (unsigned long crc,
9627 const unsigned char * buf,
9630 static const unsigned long crc32_table[256] =
9632 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
9633 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
9634 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
9635 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
9636 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
9637 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
9638 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
9639 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
9640 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
9641 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
9642 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
9643 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
9644 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
9645 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
9646 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
9647 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
9648 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
9649 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
9650 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
9651 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
9652 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
9653 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
9654 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
9655 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
9656 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
9657 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
9658 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
9659 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
9660 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
9661 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
9662 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
9663 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
9664 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
9665 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
9666 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
9667 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
9668 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
9669 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
9670 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
9671 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
9672 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
9673 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
9674 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
9675 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
9676 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
9677 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
9678 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
9679 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
9680 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
9681 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
9682 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
9685 const unsigned char *end;
9687 crc = ~crc & 0xffffffff;
9688 for (end = buf + len; buf < end; ++ buf)
9689 crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
9690 return ~crc & 0xffffffff;
9693 typedef bfd_boolean (* check_func_type) (const char *, void *);
9694 typedef const char * (* parse_func_type) (struct dwarf_section *, void *);
9697 check_gnu_debuglink (const char * pathname, void * crc_pointer)
9699 static unsigned char buffer [8 * 1024];
9701 bfd_size_type count;
9702 unsigned long crc = 0;
9705 sep_data = open_debug_file (pathname);
9706 if (sep_data == NULL)
9709 /* Yes - we are opening the file twice... */
9710 f = fopen (pathname, "rb");
9713 /* Paranoia: This should never happen. */
9714 close_debug_file (sep_data);
9715 warn (_("Unable to reopen separate debug info file: %s\n"), pathname);
9719 while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0)
9720 crc = calc_gnu_debuglink_crc32 (crc, buffer, count);
9724 if (crc != * (unsigned long *) crc_pointer)
9726 close_debug_file (sep_data);
9727 warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"),
9736 parse_gnu_debuglink (struct dwarf_section * section, void * data)
9739 unsigned int crc_offset;
9740 unsigned long * crc32 = (unsigned long *) data;
9742 /* The name is first.
9743 The CRC value is stored after the filename, aligned up to 4 bytes. */
9744 name = (const char *) section->start;
9746 crc_offset = strnlen (name, section->size) + 1;
9747 crc_offset = (crc_offset + 3) & ~3;
9748 if (crc_offset + 4 > section->size)
9751 * crc32 = byte_get (section->start + crc_offset, 4);
9756 check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED)
9758 void * sep_data = open_debug_file (filename);
9760 if (sep_data == NULL)
9763 /* FIXME: We should now extract the build-id in the separate file
9769 typedef struct build_id_data
9772 const unsigned char * data;
9776 parse_gnu_debugaltlink (struct dwarf_section * section, void * data)
9779 bfd_size_type namelen;
9780 bfd_size_type id_len;
9781 Build_id_data * build_id_data;
9783 /* The name is first.
9784 The build-id follows immediately, with no padding, up to the section's end. */
9786 name = (const char *) section->start;
9787 namelen = strnlen (name, section->size) + 1;
9788 if (namelen >= section->size)
9791 id_len = section->size - namelen;
9795 build_id_data = calloc (1, sizeof * build_id_data);
9796 if (build_id_data == NULL)
9799 build_id_data->len = id_len;
9800 build_id_data->data = section->start + namelen;
9802 * (Build_id_data **) data = build_id_data;
9808 load_separate_debug_info (const char * main_filename,
9809 struct dwarf_section * xlink,
9810 parse_func_type parse_func,
9811 check_func_type check_func,
9814 const char * separate_filename;
9817 size_t canon_dirlen;
9820 if ((separate_filename = parse_func (xlink, func_data)) == NULL)
9822 warn (_("Corrupt debuglink section: %s\n"),
9823 xlink->name ? xlink->name : xlink->uncompressed_name);
9827 /* Attempt to locate the separate file.
9828 This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */
9830 canon_dir = lrealpath (main_filename);
9832 for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--)
9833 if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1]))
9835 canon_dir[canon_dirlen] = '\0';
9838 #define DEBUGDIR "/lib/debug"
9840 #ifndef EXTRA_DEBUG_ROOT1
9841 #define EXTRA_DEBUG_ROOT1 "/usr/lib/debug"
9843 #ifndef EXTRA_DEBUG_ROOT2
9844 #define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr"
9847 debugfile = (char *) malloc (strlen (DEBUGDIR) + 1
9849 + strlen (".debug/")
9850 #ifdef EXTRA_DEBUG_ROOT1
9851 + strlen (EXTRA_DEBUG_ROOT1)
9853 #ifdef EXTRA_DEBUG_ROOT2
9854 + strlen (EXTRA_DEBUG_ROOT2)
9856 + strlen (separate_filename)
9858 if (debugfile == NULL)
9860 warn (_("Out of memory"));
9865 /* First try in the current directory. */
9866 sprintf (debugfile, "%s", separate_filename);
9867 if (check_func (debugfile, func_data))
9870 /* Then try in a subdirectory called .debug. */
9871 sprintf (debugfile, ".debug/%s", separate_filename);
9872 if (check_func (debugfile, func_data))
9875 /* Then try in the same directory as the original file. */
9876 sprintf (debugfile, "%s%s", canon_dir, separate_filename);
9877 if (check_func (debugfile, func_data))
9880 /* And the .debug subdirectory of that directory. */
9881 sprintf (debugfile, "%s.debug/%s", canon_dir, separate_filename);
9882 if (check_func (debugfile, func_data))
9885 #ifdef EXTRA_DEBUG_ROOT1
9886 /* Try the first extra debug file root. */
9887 sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
9888 if (check_func (debugfile, func_data))
9892 #ifdef EXTRA_DEBUG_ROOT2
9893 /* Try the second extra debug file root. */
9894 sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
9895 if (check_func (debugfile, func_data))
9899 /* Then try in the global debugfile directory. */
9900 strcpy (debugfile, DEBUGDIR);
9901 dirlen = strlen (DEBUGDIR) - 1;
9902 if (dirlen > 0 && DEBUGDIR[dirlen] != '/')
9903 strcat (debugfile, "/");
9904 strcat (debugfile, (const char *) separate_filename);
9906 if (check_func (debugfile, func_data))
9909 /* Failed to find the file. */
9910 warn (_("could not find separate debug file '%s'\n"), separate_filename);
9911 warn (_("tried: %s\n"), debugfile);
9913 #ifdef EXTRA_DEBUG_ROOT2
9914 sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
9915 warn (_("tried: %s\n"), debugfile);
9918 #ifdef EXTRA_DEBUG_ROOT1
9919 sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
9920 warn (_("tried: %s\n"), debugfile);
9923 sprintf (debugfile, "%s.debug/%s", canon_dir, separate_filename);
9924 warn (_("tried: %s\n"), debugfile);
9926 sprintf (debugfile, "%s%s", canon_dir, separate_filename);
9927 warn (_("tried: %s\n"), debugfile);
9929 sprintf (debugfile, ".debug/%s", separate_filename);
9930 warn (_("tried: %s\n"), debugfile);
9932 sprintf (debugfile, "%s", separate_filename);
9933 warn (_("tried: %s\n"), debugfile);
9942 /* Now open the file.... */
9943 if ((separate_debug_file = open_debug_file (debugfile)) == NULL)
9945 warn (_("failed to open separate debug file: %s\n"), debugfile);
9950 /* FIXME: We do not check to see if there are any other separate debug info
9951 files that would also match. */
9953 printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debugfile);
9954 separate_debug_filename = debugfile;
9956 /* Do not free debugfile - it might be referenced inside
9957 the structure returned by open_debug_file(). */
9958 return separate_debug_file;
9961 /* Attempt to load a separate dwarf object file. */
9964 load_dwo_file (const char * main_filename)
9968 /* FIXME: Skip adding / if dwo_dir ends in /. */
9969 filename = concat (dwo_dir, "/", dwo_name, NULL);
9970 if (filename == NULL)
9972 warn (_("Out of memory allocating dwo filename\n"));
9976 if ((separate_debug_file = open_debug_file (filename)) == NULL)
9978 warn (_("Unable to load dwo file: %s\n"), filename);
9983 /* FIXME: We should check the dwo_id. */
9985 printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, filename);
9986 separate_debug_filename = filename;
9987 return separate_debug_file;
9990 /* Load a separate debug info file, if it exists.
9991 Returns the data pointer that is the result of calling open_debug_file
9992 on the separate debug info file, or NULL if there were problems or there
9996 load_separate_debug_file (void * file, const char * filename)
9998 /* Skip this operation if we are not interested in debug links. */
9999 if (! do_follow_links && ! do_debug_links)
10002 /* See if there is a dwo link. */
10003 if (load_debug_section (str, file)
10004 && load_debug_section (abbrev, file)
10005 && load_debug_section (info, file))
10007 dwo_name = dwo_dir = NULL;
10011 if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE))
10013 if (dwo_name != NULL)
10015 if (do_debug_links)
10017 printf (_("The %s section contains a link to a dwo file:\n"),
10018 debug_displays [info].section.uncompressed_name);
10019 printf (_(" Name: %s\n"), dwo_name);
10020 printf (_(" Directory: %s\n"), dwo_dir ? dwo_dir : _("<not-found>"));
10021 if (dwo_id != NULL)
10022 display_data (printf (_(" ID: ")), dwo_id, dwo_id_len);
10024 printf (_(" ID: <unknown>\n"));
10028 /* FIXME: We do not check to see if there are any more dwo links in the file... */
10029 if (do_follow_links)
10030 return load_dwo_file (filename);
10035 if (! do_follow_links)
10036 /* The other debug links will be displayed by display_debug_links()
10037 so we do not need to do any further processing here. */
10040 /* FIXME: We do not check for the presence of both link sections in the same file. */
10041 /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */
10042 /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */
10043 /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */
10045 if (load_debug_section (gnu_debugaltlink, file))
10047 Build_id_data * build_id_data;
10049 return load_separate_debug_info (filename,
10050 & debug_displays[gnu_debugaltlink].section,
10051 parse_gnu_debugaltlink,
10052 check_gnu_debugaltlink,
10056 if (load_debug_section (gnu_debuglink, file))
10058 unsigned long crc32;
10060 return load_separate_debug_info (filename,
10061 & debug_displays[gnu_debuglink].section,
10062 parse_gnu_debuglink,
10063 check_gnu_debuglink,
10067 do_follow_links = 0;
10072 free_debug_memory (void)
10078 for (i = 0; i < max; i++)
10079 free_debug_section ((enum dwarf_section_display_enum) i);
10081 if (debug_information != NULL)
10083 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE)
10085 for (i = 0; i < num_debug_info_entries; i++)
10087 if (!debug_information [i].max_loc_offsets)
10089 free (debug_information [i].loc_offsets);
10090 free (debug_information [i].have_frame_base);
10092 if (!debug_information [i].max_range_lists)
10093 free (debug_information [i].range_lists);
10096 free (debug_information);
10097 debug_information = NULL;
10098 alloc_num_debug_info_entries = num_debug_info_entries = 0;
10101 if (separate_debug_file != NULL)
10103 close_debug_file (separate_debug_file);
10104 separate_debug_file = NULL;
10106 free ((void *) separate_debug_filename);
10107 separate_debug_filename = NULL;
10112 dwarf_select_sections_by_names (const char *names)
10116 const char * option;
10120 debug_dump_long_opts;
10122 static const debug_dump_long_opts opts_table [] =
10124 /* Please keep this table alpha- sorted. */
10125 { "Ranges", & do_debug_ranges, 1 },
10126 { "abbrev", & do_debug_abbrevs, 1 },
10127 { "addr", & do_debug_addr, 1 },
10128 { "aranges", & do_debug_aranges, 1 },
10129 { "cu_index", & do_debug_cu_index, 1 },
10130 { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
10131 { "follow-links", & do_follow_links, 1 },
10132 { "frames", & do_debug_frames, 1 },
10133 { "frames-interp", & do_debug_frames_interp, 1 },
10134 /* The special .gdb_index section. */
10135 { "gdb_index", & do_gdb_index, 1 },
10136 { "info", & do_debug_info, 1 },
10137 { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
10138 { "links", & do_debug_links, 1 },
10139 { "loc", & do_debug_loc, 1 },
10140 { "macro", & do_debug_macinfo, 1 },
10141 { "pubnames", & do_debug_pubnames, 1 },
10142 { "pubtypes", & do_debug_pubtypes, 1 },
10143 /* This entry is for compatibility
10144 with earlier versions of readelf. */
10145 { "ranges", & do_debug_aranges, 1 },
10146 { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
10147 { "str", & do_debug_str, 1 },
10148 /* These trace_* sections are used by Itanium VMS. */
10149 { "trace_abbrev", & do_trace_abbrevs, 1 },
10150 { "trace_aranges", & do_trace_aranges, 1 },
10151 { "trace_info", & do_trace_info, 1 },
10160 const debug_dump_long_opts * entry;
10162 for (entry = opts_table; entry->option; entry++)
10164 size_t len = strlen (entry->option);
10166 if (strncmp (p, entry->option, len) == 0
10167 && (p[len] == ',' || p[len] == '\0'))
10169 * entry->variable |= entry->val;
10171 /* The --debug-dump=frames-interp option also
10172 enables the --debug-dump=frames option. */
10173 if (do_debug_frames_interp)
10174 do_debug_frames = 1;
10181 if (entry->option == NULL)
10183 warn (_("Unrecognized debug option '%s'\n"), p);
10184 p = strchr (p, ',');
10195 dwarf_select_sections_by_letters (const char *letters)
10197 unsigned int lindex = 0;
10199 while (letters[lindex])
10200 switch (letters[lindex++])
10202 case 'A': do_debug_addr = 1; break;
10203 case 'a': do_debug_abbrevs = 1; break;
10204 case 'c': do_debug_cu_index = 1; break;
10205 case 'F': do_debug_frames_interp = 1; /* Fall through. */
10206 case 'f': do_debug_frames = 1; break;
10207 case 'g': do_gdb_index = 1; break;
10208 case 'i': do_debug_info = 1; break;
10209 case 'K': do_follow_links = 1; break;
10210 case 'k': do_debug_links = 1; break;
10211 case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break;
10212 case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break;
10213 case 'm': do_debug_macinfo = 1; break;
10214 case 'o': do_debug_loc = 1; break;
10215 case 'p': do_debug_pubnames = 1; break;
10216 case 'R': do_debug_ranges = 1; break;
10217 case 'r': do_debug_aranges = 1; break;
10218 case 's': do_debug_str = 1; break;
10219 case 'T': do_trace_aranges = 1; break;
10220 case 't': do_debug_pubtypes = 1; break;
10221 case 'U': do_trace_info = 1; break;
10222 case 'u': do_trace_abbrevs = 1; break;
10225 warn (_("Unrecognized debug option '%s'\n"), letters);
10231 dwarf_select_sections_all (void)
10234 do_debug_abbrevs = 1;
10235 do_debug_lines = FLAG_DEBUG_LINES_RAW;
10236 do_debug_pubnames = 1;
10237 do_debug_pubtypes = 1;
10238 do_debug_aranges = 1;
10239 do_debug_ranges = 1;
10240 do_debug_frames = 1;
10241 do_debug_macinfo = 1;
10246 do_trace_abbrevs = 1;
10247 do_trace_aranges = 1;
10249 do_debug_cu_index = 1;
10250 do_follow_links = 1;
10251 do_debug_links = 1;
10254 #define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL
10255 #define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL
10257 /* N.B. The order here must match the order in section_display_enum. */
10259 struct dwarf_section_display debug_displays[] =
10261 { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10262 { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE },
10263 { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10264 { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE },
10265 { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10266 { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE },
10267 { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE },
10268 { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10269 { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10270 { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10271 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10272 { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10273 { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10274 { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10275 { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE },
10276 { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE },
10277 { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10278 { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10279 { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10280 { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10281 { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE },
10282 { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10283 { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE },
10284 { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE },
10285 { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE },
10286 { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE },
10287 { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE },
10288 { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE },
10289 { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10290 { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE },
10291 { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10292 { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10293 { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10294 { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10295 { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE },
10296 { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10297 { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10298 { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE },
10299 { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10300 { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10301 { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10302 { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10303 /* Separate debug info files can containt their own .debug_str section,
10304 and this might be in *addition* to a .debug_str section already present
10305 in the main file. Hence we need to have two entries for .debug_str. */
10306 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10309 /* A static assertion. */
10310 extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1];