1 /* Read hp debug symbols and convert to internal format, for GDB.
2 Copyright 1993, 1996 Free Software Foundation, Inc.
4 This file is part of GDB.
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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 Written by the Center for Software Science at the University of Utah
21 and by Cygnus Support. */
25 #include "gdb_string.h"
26 #include "hp-symtab.h"
32 #include "complaints.h"
33 #include "gdb-stabs.h"
37 /* Private information attached to an objfile which we use to find
38 and internalize the HP C debug symbols within that objfile. */
40 struct hpread_symfile_info
42 /* The contents of each of the debug sections (there are 4 of them). */
48 /* We keep the size of the $VT$ section for range checking. */
51 /* Some routines still need to know the number of symbols in the
52 main debug sections ($LNTT$ and $GNTT$). */
53 unsigned int lntt_symcount;
54 unsigned int gntt_symcount;
56 /* To keep track of all the types we've processed. */
57 struct type **type_vector;
58 int type_vector_length;
60 /* Keeps track of the beginning of a range of source lines. */
63 /* Some state variables we'll need. */
66 /* Keep track of the current function's address. We may need to look
67 up something based on this address. */
68 unsigned int current_function_value;
71 /* Accessor macros to get at the fields. */
72 #define HPUX_SYMFILE_INFO(o) \
73 ((struct hpread_symfile_info *)((o)->sym_private))
74 #define GNTT(o) (HPUX_SYMFILE_INFO(o)->gntt)
75 #define LNTT(o) (HPUX_SYMFILE_INFO(o)->lntt)
76 #define SLT(o) (HPUX_SYMFILE_INFO(o)->slt)
77 #define VT(o) (HPUX_SYMFILE_INFO(o)->vt)
78 #define VT_SIZE(o) (HPUX_SYMFILE_INFO(o)->vt_size)
79 #define LNTT_SYMCOUNT(o) (HPUX_SYMFILE_INFO(o)->lntt_symcount)
80 #define GNTT_SYMCOUNT(o) (HPUX_SYMFILE_INFO(o)->gntt_symcount)
81 #define TYPE_VECTOR(o) (HPUX_SYMFILE_INFO(o)->type_vector)
82 #define TYPE_VECTOR_LENGTH(o) (HPUX_SYMFILE_INFO(o)->type_vector_length)
83 #define SL_INDEX(o) (HPUX_SYMFILE_INFO(o)->sl_index)
84 #define WITHIN_FUNCTION(o) (HPUX_SYMFILE_INFO(o)->within_function)
85 #define CURRENT_FUNCTION_VALUE(o) (HPUX_SYMFILE_INFO(o)->current_function_value)
87 /* Given the native debug symbol SYM, set NAMEP to the name associated
88 with the debug symbol. Note we may be called with a debug symbol which
89 has no associated name, in that case we return an empty string.
91 Also note we "know" that the name for any symbol is always in the
92 same place. Hence we don't have to conditionalize on the symbol type. */
93 #define SET_NAMESTRING(SYM, NAMEP, OBJFILE) \
94 if (! hpread_has_name ((SYM)->dblock.kind)) \
96 else if (((unsigned)(SYM)->dsfile.name) >= VT_SIZE (OBJFILE)) \
98 complain (&string_table_offset_complaint, (char *) symnum); \
102 *NAMEP = (SYM)->dsfile.name + VT (OBJFILE)
104 /* We put a pointer to this structure in the read_symtab_private field
109 /* The offset within the file symbol table of first local symbol for
114 /* Length (in bytes) of the section of the symbol table devoted to
115 this file's symbols (actually, the section bracketed may contain
116 more than just this file's symbols). If ldsymlen is 0, the only
117 reason for this thing's existence is the dependency list.
118 Nothing else will happen when it is read in. */
123 #define LDSYMOFF(p) (((struct symloc *)((p)->read_symtab_private))->ldsymoff)
124 #define LDSYMLEN(p) (((struct symloc *)((p)->read_symtab_private))->ldsymlen)
125 #define SYMLOC(p) ((struct symloc *)((p)->read_symtab_private))
127 /* FIXME: Shouldn't this stuff be in a .h file somewhere? */
128 /* Nonzero means give verbose info on gdb action. */
129 extern int info_verbose;
131 /* Complaints about the symbols we have encountered. */
132 extern struct complaint string_table_offset_complaint;
133 extern struct complaint lbrac_unmatched_complaint;
134 extern struct complaint lbrac_mismatch_complaint;
137 void hpread_symfile_init PARAMS ((struct objfile *));
139 static struct type *hpread_alloc_type
140 PARAMS ((dnttpointer, struct objfile *));
142 static struct type **hpread_lookup_type
143 PARAMS ((dnttpointer, struct objfile *));
145 static struct type *hpread_read_enum_type
146 PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
148 static struct type *hpread_read_set_type
149 PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
151 static struct type *hpread_read_subrange_type
152 PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
154 static struct type *hpread_read_struct_type
155 PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
157 void hpread_build_psymtabs
158 PARAMS ((struct objfile *, struct section_offsets *, int));
160 void hpread_symfile_finish PARAMS ((struct objfile *));
162 static struct partial_symtab *hpread_start_psymtab
163 PARAMS ((struct objfile *, struct section_offsets *, char *, CORE_ADDR, int,
164 struct partial_symbol **, struct partial_symbol **));
166 static struct partial_symtab *hpread_end_psymtab
167 PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR,
168 struct partial_symtab **, int));
170 static struct symtab *hpread_expand_symtab
171 PARAMS ((struct objfile *, int, int, CORE_ADDR, int,
172 struct section_offsets *, char *));
174 static void hpread_process_one_debug_symbol
175 PARAMS ((union dnttentry *, char *, struct section_offsets *,
176 struct objfile *, CORE_ADDR, int, char *, int));
178 static sltpointer hpread_record_lines
179 PARAMS ((struct subfile *, sltpointer, sltpointer,
180 struct objfile *, CORE_ADDR));
182 static struct type *hpread_read_function_type
183 PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
185 static struct type * hpread_type_lookup
186 PARAMS ((dnttpointer, struct objfile *));
188 static unsigned long hpread_get_depth
189 PARAMS ((sltpointer, struct objfile *));
191 static unsigned long hpread_get_line
192 PARAMS ((sltpointer, struct objfile *));
194 static CORE_ADDR hpread_get_location
195 PARAMS ((sltpointer, struct objfile *));
197 static int hpread_type_translate PARAMS ((dnttpointer));
198 static unsigned long hpread_get_textlow PARAMS ((int, int, struct objfile *));
199 static union dnttentry *hpread_get_gntt PARAMS ((int, struct objfile *));
200 static union dnttentry *hpread_get_lntt PARAMS ((int, struct objfile *));
201 static union sltentry *hpread_get_slt PARAMS ((int, struct objfile *));
202 static void hpread_psymtab_to_symtab PARAMS ((struct partial_symtab *));
203 static void hpread_psymtab_to_symtab_1 PARAMS ((struct partial_symtab *));
204 static int hpread_has_name PARAMS ((enum dntt_entry_type));
207 /* Initialization for reading native HP C debug symbols from OBJFILE.
209 It's only purpose in life is to set up the symbol reader's private
210 per-objfile data structures, and read in the raw contents of the debug
211 sections (attaching pointers to the debug info into the private data
214 Since BFD doesn't know how to read debug symbols in a format-independent
215 way (and may never do so...), we have to do it ourselves. Note we may
216 be called on a file without native HP C debugging symbols.
217 FIXME, there should be a cleaner peephole into the BFD environment here. */
220 hpread_symfile_init (objfile)
221 struct objfile *objfile;
223 asection *vt_section, *slt_section, *lntt_section, *gntt_section;
225 /* Allocate struct to keep track of the symfile */
226 objfile->sym_private = (PTR)
227 xmmalloc (objfile->md, sizeof (struct hpread_symfile_info));
228 memset (objfile->sym_private, 0, sizeof (struct hpread_symfile_info));
230 /* We haven't read in any types yet. */
231 TYPE_VECTOR (objfile) = 0;
233 /* Read in data from the $GNTT$ subspace. */
234 gntt_section = bfd_get_section_by_name (objfile->obfd, "$GNTT$");
239 = obstack_alloc (&objfile->symbol_obstack,
240 bfd_section_size (objfile->obfd, gntt_section));
242 bfd_get_section_contents (objfile->obfd, gntt_section, GNTT (objfile),
243 0, bfd_section_size (objfile->obfd, gntt_section));
245 GNTT_SYMCOUNT (objfile)
246 = bfd_section_size (objfile->obfd, gntt_section)
247 / sizeof (struct dntt_type_block);
249 /* Read in data from the $LNTT$ subspace. Also keep track of the number
251 lntt_section = bfd_get_section_by_name (objfile->obfd, "$LNTT$");
256 = obstack_alloc (&objfile->symbol_obstack,
257 bfd_section_size (objfile->obfd, lntt_section));
259 bfd_get_section_contents (objfile->obfd, lntt_section, LNTT (objfile),
260 0, bfd_section_size (objfile->obfd, lntt_section));
262 LNTT_SYMCOUNT (objfile)
263 = bfd_section_size (objfile->obfd, lntt_section)
264 / sizeof (struct dntt_type_block);
266 /* Read in data from the $SLT$ subspace. $SLT$ contains information
267 on source line numbers. */
268 slt_section = bfd_get_section_by_name (objfile->obfd, "$SLT$");
273 obstack_alloc (&objfile->symbol_obstack,
274 bfd_section_size (objfile->obfd, slt_section));
276 bfd_get_section_contents (objfile->obfd, slt_section, SLT (objfile),
277 0, bfd_section_size (objfile->obfd, slt_section));
279 /* Read in data from the $VT$ subspace. $VT$ contains things like
280 names and constants. Keep track of the number of symbols in the VT. */
281 vt_section = bfd_get_section_by_name (objfile->obfd, "$VT$");
285 VT_SIZE (objfile) = bfd_section_size (objfile->obfd, vt_section);
288 (char *) obstack_alloc (&objfile->symbol_obstack,
291 bfd_get_section_contents (objfile->obfd, vt_section, VT (objfile),
292 0, VT_SIZE (objfile));
295 /* Scan and build partial symbols for a symbol file.
297 The minimal symbol table (either SOM or HP a.out) has already been
298 read in; all we need to do is setup partial symbols based on the
299 native debugging information.
301 We assume hpread_symfile_init has been called to initialize the
302 symbol reader's private data structures.
304 SECTION_OFFSETS contains offsets relative to which the symbols in the
305 various sections are (depending where the sections were actually loaded).
306 MAINLINE is true if we are reading the main symbol
307 table (as opposed to a shared lib or dynamically loaded file). */
310 hpread_build_psymtabs (objfile, section_offsets, mainline)
311 struct objfile *objfile;
312 struct section_offsets *section_offsets;
316 int past_first_source_file = 0;
317 struct cleanup *old_chain;
319 int hp_symnum, symcount, i;
321 union dnttentry *dn_bufp;
327 /* Current partial symtab */
328 struct partial_symtab *pst;
330 /* List of current psymtab's include files */
331 char **psymtab_include_list;
332 int includes_allocated;
335 /* Index within current psymtab dependency list */
336 struct partial_symtab **dependency_list;
337 int dependencies_used, dependencies_allocated;
339 /* Just in case the stabs reader left turds lying around. */
341 make_cleanup (really_free_pendings, 0);
343 pst = (struct partial_symtab *) 0;
345 /* We shouldn't use alloca, instead use malloc/free. Doing so avoids
346 a number of problems with cross compilation and creating useless holes
347 in the stack when we have to allocate new entries. FIXME. */
349 includes_allocated = 30;
351 psymtab_include_list = (char **) alloca (includes_allocated *
354 dependencies_allocated = 30;
355 dependencies_used = 0;
357 (struct partial_symtab **) alloca (dependencies_allocated *
358 sizeof (struct partial_symtab *));
360 old_chain = make_cleanup (free_objfile, objfile);
362 last_source_file = 0;
364 /* Make two passes, one ofr the GNTT symbols, the other for the
366 for (i = 0; i < 1; i++)
368 int within_function = 0;
371 symcount = GNTT_SYMCOUNT (objfile);
373 symcount = LNTT_SYMCOUNT (objfile);
375 for (hp_symnum = 0; hp_symnum < symcount; hp_symnum++)
379 dn_bufp = hpread_get_gntt (hp_symnum, objfile);
381 dn_bufp = hpread_get_lntt (hp_symnum, objfile);
383 if (dn_bufp->dblock.extension)
386 /* Only handle things which are necessary for minimal symbols.
387 everything else is ignored. */
388 switch (dn_bufp->dblock.kind)
390 case DNTT_TYPE_SRCFILE:
392 /* A source file of some kind. Note this may simply
393 be an included file. */
394 SET_NAMESTRING (dn_bufp, &namestring, objfile);
396 /* Check if this is the source file we are already working
398 if (pst && !strcmp (namestring, pst->filename))
401 /* Check if this is an include file, if so check if we have
402 already seen it. Add it to the include list */
403 p = strrchr (namestring, '.');
404 if (!strcmp (p, ".h"))
409 for (j = 0; j < includes_used; j++)
410 if (!strcmp (namestring, psymtab_include_list[j]))
418 /* Add it to the list of includes seen so far and
419 allocate more include space if necessary. */
420 psymtab_include_list[includes_used++] = namestring;
421 if (includes_used >= includes_allocated)
423 char **orig = psymtab_include_list;
425 psymtab_include_list = (char **)
426 alloca ((includes_allocated *= 2) *
428 memcpy ((PTR) psymtab_include_list, (PTR) orig,
429 includes_used * sizeof (char *));
439 pst->filename = (char *)
440 obstack_alloc (&pst->objfile->psymbol_obstack,
441 strlen (namestring) + 1);
442 strcpy (pst->filename, namestring);
449 /* This is a bonafide new source file.
450 End the current partial symtab and start a new one. */
452 if (pst && past_first_source_file)
454 hpread_end_psymtab (pst, psymtab_include_list,
457 * sizeof (struct dntt_type_block)),
459 dependency_list, dependencies_used);
460 pst = (struct partial_symtab *) 0;
462 dependencies_used = 0;
465 past_first_source_file = 1;
467 valu = hpread_get_textlow (i, hp_symnum, objfile);
468 valu += ANOFFSET (section_offsets, SECT_OFF_TEXT);
469 pst = hpread_start_psymtab (objfile, section_offsets,
472 * sizeof (struct dntt_type_block)),
473 objfile->global_psymbols.next,
474 objfile->static_psymbols.next);
480 case DNTT_TYPE_MODULE:
481 /* A source file. It's still unclear to me what the
482 real difference between a DNTT_TYPE_SRCFILE and DNTT_TYPE_MODULE
483 is supposed to be. */
484 SET_NAMESTRING (dn_bufp, &namestring, objfile);
485 valu = hpread_get_textlow (i, hp_symnum, objfile);
486 valu += ANOFFSET (section_offsets, SECT_OFF_TEXT);
489 pst = hpread_start_psymtab (objfile, section_offsets,
492 * sizeof (struct dntt_type_block)),
493 objfile->global_psymbols.next,
494 objfile->static_psymbols.next);
499 case DNTT_TYPE_FUNCTION:
500 case DNTT_TYPE_ENTRY:
501 /* The beginning of a function. DNTT_TYPE_ENTRY may also denote
502 a secondary entry point. */
503 valu = dn_bufp->dfunc.hiaddr + ANOFFSET (section_offsets,
507 valu = dn_bufp->dfunc.lowaddr +
508 ANOFFSET (section_offsets, SECT_OFF_TEXT);
509 SET_NAMESTRING (dn_bufp, &namestring, objfile);
510 add_psymbol_to_list (namestring, strlen (namestring),
511 VAR_NAMESPACE, LOC_BLOCK,
512 &objfile->static_psymbols, valu,
513 0, language_unknown, objfile);
516 case DNTT_TYPE_BEGIN:
518 /* Scope block begin/end. We only care about function
519 and file blocks right now. */
520 if (dn_bufp->dend.endkind == DNTT_TYPE_MODULE)
522 hpread_end_psymtab (pst, psymtab_include_list, includes_used,
524 * sizeof (struct dntt_type_block)),
526 dependency_list, dependencies_used);
527 pst = (struct partial_symtab *) 0;
529 dependencies_used = 0;
532 if (dn_bufp->dend.endkind == DNTT_TYPE_FUNCTION)
537 case DNTT_TYPE_TYPEDEF:
538 case DNTT_TYPE_TAGDEF:
540 /* Variables, typedefs an the like. */
541 enum address_class storage;
542 namespace_enum namespace;
544 /* Don't add locals to the partial symbol table. */
546 && (dn_bufp->dblock.kind == DNTT_TYPE_SVAR
547 || dn_bufp->dblock.kind == DNTT_TYPE_DVAR))
550 /* TAGDEFs go into the structure namespace. */
551 if (dn_bufp->dblock.kind == DNTT_TYPE_TAGDEF)
552 namespace = STRUCT_NAMESPACE;
554 namespace = VAR_NAMESPACE;
556 /* What kind of "storage" does this use? */
557 if (dn_bufp->dblock.kind == DNTT_TYPE_SVAR)
558 storage = LOC_STATIC;
559 else if (dn_bufp->dblock.kind == DNTT_TYPE_DVAR
560 && dn_bufp->ddvar.regvar)
561 storage = LOC_REGISTER;
562 else if (dn_bufp->dblock.kind == DNTT_TYPE_DVAR)
567 SET_NAMESTRING (dn_bufp, &namestring, objfile);
570 pst = hpread_start_psymtab (objfile, section_offsets,
573 * sizeof (struct dntt_type_block)),
574 objfile->global_psymbols.next,
575 objfile->static_psymbols.next);
577 if (dn_bufp->dsvar.global)
579 add_psymbol_to_list (namestring, strlen (namestring),
581 &objfile->global_psymbols,
582 dn_bufp->dsvar.location,
583 0, language_unknown, objfile);
587 add_psymbol_to_list (namestring, strlen (namestring),
589 &objfile->static_psymbols,
590 dn_bufp->dsvar.location,
591 0, language_unknown, objfile);
595 case DNTT_TYPE_MEMENUM:
596 case DNTT_TYPE_CONST:
597 /* Constants and members of enumerated types. */
598 SET_NAMESTRING (dn_bufp, &namestring, objfile);
601 pst = hpread_start_psymtab (objfile, section_offsets,
604 * sizeof (struct dntt_type_block)),
605 objfile->global_psymbols.next,
606 objfile->static_psymbols.next);
608 add_psymbol_to_list (namestring, strlen (namestring),
609 VAR_NAMESPACE, LOC_CONST,
610 &objfile->static_psymbols, 0,
611 0, language_unknown, objfile);
619 /* End any pending partial symbol table. */
622 hpread_end_psymtab (pst, psymtab_include_list, includes_used,
623 hp_symnum * sizeof (struct dntt_type_block),
624 0, dependency_list, dependencies_used);
627 discard_cleanups (old_chain);
630 /* Perform any local cleanups required when we are done with a particular
631 objfile. I.E, we are in the process of discarding all symbol information
632 for an objfile, freeing up all memory held for it, and unlinking the
633 objfile struct from the global list of known objfiles. */
636 hpread_symfile_finish (objfile)
637 struct objfile *objfile;
639 if (objfile->sym_private != NULL)
641 mfree (objfile->md, objfile->sym_private);
646 /* The remaining functions are all for internal use only. */
648 /* Various small functions to get entries in the debug symbol sections. */
650 static union dnttentry *
651 hpread_get_lntt (index, objfile)
653 struct objfile *objfile;
655 return (union dnttentry *)
656 &(LNTT (objfile)[(index * sizeof (struct dntt_type_block))]);
659 static union dnttentry *
660 hpread_get_gntt (index, objfile)
662 struct objfile *objfile;
664 return (union dnttentry *)
665 &(GNTT (objfile)[(index * sizeof (struct dntt_type_block))]);
668 static union sltentry *
669 hpread_get_slt (index, objfile)
671 struct objfile *objfile;
673 return (union sltentry *)&(SLT (objfile)[index * sizeof (union sltentry)]);
676 /* Get the low address associated with some symbol (typically the start
677 of a particular source file or module). Since that information is not
678 stored as part of the DNTT_TYPE_MODULE or DNTT_TYPE_SRCFILE symbol we must infer it from
679 the existance of DNTT_TYPE_FUNCTION symbols. */
682 hpread_get_textlow (global, index, objfile)
685 struct objfile *objfile;
687 union dnttentry *dn_bufp;
688 struct minimal_symbol *msymbol;
690 /* Look for a DNTT_TYPE_FUNCTION symbol. */
694 dn_bufp = hpread_get_gntt (index++, objfile);
696 dn_bufp = hpread_get_lntt (index++, objfile);
697 } while (dn_bufp->dblock.kind != DNTT_TYPE_FUNCTION
698 && dn_bufp->dblock.kind != DNTT_TYPE_END);
700 /* Avoid going past a DNTT_TYPE_END when looking for a DNTT_TYPE_FUNCTION. This
701 might happen when a sourcefile has no functions. */
702 if (dn_bufp->dblock.kind == DNTT_TYPE_END)
705 /* The minimal symbols are typically more accurate for some reason. */
706 msymbol = lookup_minimal_symbol (dn_bufp->dfunc.name + VT (objfile), NULL,
709 return SYMBOL_VALUE_ADDRESS (msymbol);
711 return dn_bufp->dfunc.lowaddr;
714 /* Get the nesting depth for the source line identified by INDEX. */
717 hpread_get_depth (index, objfile)
719 struct objfile *objfile;
721 union sltentry *sl_bufp;
723 sl_bufp = hpread_get_slt (index, objfile);
724 return sl_bufp->sspec.backptr.dnttp.index;
727 /* Get the source line number the the line identified by INDEX. */
730 hpread_get_line (index, objfile)
732 struct objfile *objfile;
734 union sltentry *sl_bufp;
736 sl_bufp = hpread_get_slt (index, objfile);
737 return sl_bufp->snorm.line;
741 hpread_get_location (index, objfile)
743 struct objfile *objfile;
745 union sltentry *sl_bufp;
748 /* code location of special sltentrys is determined from context */
749 sl_bufp = hpread_get_slt (index, objfile);
751 if (sl_bufp->snorm.sltdesc == SLT_END)
753 /* find previous normal sltentry and get address */
754 for (i = 0; ((sl_bufp->snorm.sltdesc != SLT_NORMAL) &&
755 (sl_bufp->snorm.sltdesc != SLT_EXIT)); i++)
756 sl_bufp = hpread_get_slt (index - i, objfile);
757 return sl_bufp->snorm.address;
760 /* find next normal sltentry and get address */
761 for (i = 0; ((sl_bufp->snorm.sltdesc != SLT_NORMAL) &&
762 (sl_bufp->snorm.sltdesc != SLT_EXIT)); i++)
763 sl_bufp = hpread_get_slt (index + i, objfile);
764 return sl_bufp->snorm.address;
768 /* Return 1 if an HP debug symbol of type KIND has a name associated with
769 it, else return 0. */
772 hpread_has_name (kind)
773 enum dntt_entry_type kind;
777 case DNTT_TYPE_SRCFILE:
778 case DNTT_TYPE_MODULE:
779 case DNTT_TYPE_FUNCTION:
780 case DNTT_TYPE_ENTRY:
781 case DNTT_TYPE_IMPORT:
782 case DNTT_TYPE_LABEL:
783 case DNTT_TYPE_FPARAM:
786 case DNTT_TYPE_CONST:
787 case DNTT_TYPE_TYPEDEF:
788 case DNTT_TYPE_TAGDEF:
789 case DNTT_TYPE_MEMENUM:
790 case DNTT_TYPE_FIELD:
794 case DNTT_TYPE_BEGIN:
797 case DNTT_TYPE_COMMON:
798 case DNTT_TYPE_POINTER:
801 case DNTT_TYPE_SUBRANGE:
802 case DNTT_TYPE_ARRAY:
803 case DNTT_TYPE_STRUCT:
804 case DNTT_TYPE_UNION:
805 case DNTT_TYPE_VARIANT:
807 case DNTT_TYPE_FUNCTYPE:
808 case DNTT_TYPE_COBSTRUCT:
810 case DNTT_TYPE_MACRO:
816 /* Allocate and partially fill a partial symtab. It will be
817 completely filled at the end of the symbol list.
819 SYMFILE_NAME is the name of the symbol-file we are reading from, and ADDR
820 is the address relative to which its symbols are (incremental) or 0
823 static struct partial_symtab *
824 hpread_start_psymtab (objfile, section_offsets,
825 filename, textlow, ldsymoff, global_syms, static_syms)
826 struct objfile *objfile;
827 struct section_offsets *section_offsets;
831 struct partial_symbol **global_syms;
832 struct partial_symbol **static_syms;
834 struct partial_symtab *result =
835 start_psymtab_common (objfile, section_offsets,
836 filename, textlow, global_syms, static_syms);
838 result->read_symtab_private = (char *)
839 obstack_alloc (&objfile->psymbol_obstack, sizeof (struct symloc));
840 LDSYMOFF (result) = ldsymoff;
841 result->read_symtab = hpread_psymtab_to_symtab;
847 /* Close off the current usage of PST.
848 Returns PST or NULL if the partial symtab was empty and thrown away.
850 FIXME: List variables and peculiarities of same. */
852 static struct partial_symtab *
853 hpread_end_psymtab (pst, include_list, num_includes, capping_symbol_offset,
854 capping_text, dependency_list, number_dependencies)
855 struct partial_symtab *pst;
858 int capping_symbol_offset;
859 CORE_ADDR capping_text;
860 struct partial_symtab **dependency_list;
861 int number_dependencies;
864 struct objfile *objfile = pst -> objfile;
866 if (capping_symbol_offset != -1)
867 LDSYMLEN(pst) = capping_symbol_offset - LDSYMOFF(pst);
868 pst->texthigh = capping_text;
871 objfile->global_psymbols.next - (objfile->global_psymbols.list + pst->globals_offset);
873 objfile->static_psymbols.next - (objfile->static_psymbols.list + pst->statics_offset);
875 pst->number_of_dependencies = number_dependencies;
876 if (number_dependencies)
878 pst->dependencies = (struct partial_symtab **)
879 obstack_alloc (&objfile->psymbol_obstack,
880 number_dependencies * sizeof (struct partial_symtab *));
881 memcpy (pst->dependencies, dependency_list,
882 number_dependencies * sizeof (struct partial_symtab *));
885 pst->dependencies = 0;
887 for (i = 0; i < num_includes; i++)
889 struct partial_symtab *subpst =
890 allocate_psymtab (include_list[i], objfile);
892 subpst->section_offsets = pst->section_offsets;
893 subpst->read_symtab_private =
894 (char *) obstack_alloc (&objfile->psymbol_obstack,
895 sizeof (struct symloc));
899 subpst->texthigh = 0;
901 /* We could save slight bits of space by only making one of these,
902 shared by the entire set of include files. FIXME-someday. */
903 subpst->dependencies = (struct partial_symtab **)
904 obstack_alloc (&objfile->psymbol_obstack,
905 sizeof (struct partial_symtab *));
906 subpst->dependencies[0] = pst;
907 subpst->number_of_dependencies = 1;
909 subpst->globals_offset =
910 subpst->n_global_syms =
911 subpst->statics_offset =
912 subpst->n_static_syms = 0;
916 subpst->read_symtab = pst->read_symtab;
919 sort_pst_symbols (pst);
921 /* If there is already a psymtab or symtab for a file of this name, remove it.
922 (If there is a symtab, more drastic things also happen.)
923 This happens in VxWorks. */
924 free_named_symtabs (pst->filename);
926 if (num_includes == 0
927 && number_dependencies == 0
928 && pst->n_global_syms == 0
929 && pst->n_static_syms == 0)
931 /* Throw away this psymtab, it's empty. We can't deallocate it, since
932 it is on the obstack, but we can forget to chain it on the list. */
933 /* Empty psymtabs happen as a result of header files which don't have
934 any symbols in them. There can be a lot of them. But this check
935 is wrong, in that a psymtab with N_SLINE entries but nothing else
936 is not empty, but we don't realize that. Fixing that without slowing
937 things down might be tricky. */
938 struct partial_symtab *prev_pst;
940 /* First, snip it out of the psymtab chain */
942 if (pst->objfile->psymtabs == pst)
943 pst->objfile->psymtabs = pst->next;
945 for (prev_pst = pst->objfile->psymtabs; prev_pst; prev_pst = pst->next)
946 if (prev_pst->next == pst)
947 prev_pst->next = pst->next;
949 /* Next, put it on a free list for recycling */
951 pst->next = pst->objfile->free_psymtabs;
952 pst->objfile->free_psymtabs = pst;
954 /* Indicate that psymtab was thrown away. */
955 pst = (struct partial_symtab *)NULL;
960 /* Do the dirty work of reading in the full symbol from a partial symbol
964 hpread_psymtab_to_symtab_1 (pst)
965 struct partial_symtab *pst;
967 struct cleanup *old_chain;
970 /* Get out quick if passed junk. */
974 /* Complain if we've already read in this symbol table. */
977 fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n",
982 /* Read in all partial symtabs on which this one is dependent */
983 for (i = 0; i < pst->number_of_dependencies; i++)
984 if (!pst->dependencies[i]->readin)
986 /* Inform about additional files that need to be read in. */
989 fputs_filtered (" ", stdout);
991 fputs_filtered ("and ", stdout);
993 printf_filtered ("%s...", pst->dependencies[i]->filename);
994 wrap_here (""); /* Flush output */
997 hpread_psymtab_to_symtab_1 (pst->dependencies[i]);
1000 /* If it's real... */
1003 /* Init stuff necessary for reading in symbols */
1005 old_chain = make_cleanup (really_free_pendings, 0);
1008 hpread_expand_symtab (pst->objfile, LDSYMOFF (pst), LDSYMLEN (pst),
1009 pst->textlow, pst->texthigh - pst->textlow,
1010 pst->section_offsets, pst->filename);
1011 sort_symtab_syms (pst->symtab);
1013 do_cleanups (old_chain);
1019 /* Read in all of the symbols for a given psymtab for real.
1020 Be verbose about it if the user wants that. */
1023 hpread_psymtab_to_symtab (pst)
1024 struct partial_symtab *pst;
1026 /* Get out quick if given junk. */
1033 fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n",
1038 if (LDSYMLEN (pst) || pst->number_of_dependencies)
1040 /* Print the message now, before reading the string table,
1041 to avoid disconcerting pauses. */
1044 printf_filtered ("Reading in symbols for %s...", pst->filename);
1048 hpread_psymtab_to_symtab_1 (pst);
1050 /* Match with global symbols. This only needs to be done once,
1051 after all of the symtabs and dependencies have been read in. */
1052 scan_file_globals (pst->objfile);
1054 /* Finish up the debug error message. */
1056 printf_filtered ("done.\n");
1059 /* Read in a defined section of a specific object file's symbols.
1061 DESC is the file descriptor for the file, positioned at the
1062 beginning of the symtab
1063 SYM_OFFSET is the offset within the file of
1064 the beginning of the symbols we want to read
1065 SYM_SIZE is the size of the symbol info to read in.
1066 TEXT_OFFSET is the beginning of the text segment we are reading symbols for
1067 TEXT_SIZE is the size of the text segment read in.
1068 SECTION_OFFSETS are the relocation offsets which get added to each symbol. */
1070 static struct symtab *
1071 hpread_expand_symtab (objfile, sym_offset, sym_size, text_offset, text_size,
1072 section_offsets, filename)
1073 struct objfile *objfile;
1076 CORE_ADDR text_offset;
1078 struct section_offsets *section_offsets;
1082 union dnttentry *dn_bufp;
1083 unsigned max_symnum;
1085 int sym_index = sym_offset / sizeof (struct dntt_type_block);
1087 current_objfile = objfile;
1090 last_source_file = 0;
1092 dn_bufp = hpread_get_lntt (sym_index, objfile);
1093 if (!((dn_bufp->dblock.kind == (unsigned char) DNTT_TYPE_SRCFILE) ||
1094 (dn_bufp->dblock.kind == (unsigned char) DNTT_TYPE_MODULE)))
1095 start_symtab ("globals", NULL, 0);
1097 max_symnum = sym_size / sizeof (struct dntt_type_block);
1099 /* Read in and process each debug symbol within the specified range. */
1101 symnum < max_symnum;
1104 QUIT; /* Allow this to be interruptable */
1105 dn_bufp = hpread_get_lntt (sym_index + symnum, objfile);
1107 if (dn_bufp->dblock.extension)
1110 /* Yow! We call SET_NAMESTRING on things without names! */
1111 SET_NAMESTRING (dn_bufp, &namestring, objfile);
1113 hpread_process_one_debug_symbol (dn_bufp, namestring, section_offsets,
1114 objfile, text_offset, text_size,
1115 filename, symnum + sym_index);
1118 current_objfile = NULL;
1120 return end_symtab (text_offset + text_size, objfile, 0);
1124 /* Convert basic types from HP debug format into GDB internal format. */
1127 hpread_type_translate (typep)
1130 if (!typep.dntti.immediate)
1133 switch (typep.dntti.type)
1135 case HP_TYPE_BOOLEAN:
1136 case HP_TYPE_BOOLEAN_S300_COMPAT:
1137 case HP_TYPE_BOOLEAN_VAX_COMPAT:
1139 /* Ugh. No way to distinguish between signed and unsigned chars. */
1141 case HP_TYPE_WIDE_CHAR:
1144 if (typep.dntti.bitlength <= 8)
1146 if (typep.dntti.bitlength <= 16)
1148 if (typep.dntti.bitlength <= 32)
1150 return FT_LONG_LONG;
1153 case HP_TYPE_UNSIGNED_LONG:
1154 if (typep.dntti.bitlength <= 8)
1155 return FT_UNSIGNED_CHAR;
1156 if (typep.dntti.bitlength <= 16)
1157 return FT_UNSIGNED_SHORT;
1158 if (typep.dntti.bitlength <= 32)
1159 return FT_UNSIGNED_LONG;
1160 return FT_UNSIGNED_LONG_LONG;
1161 case HP_TYPE_UNSIGNED_INT:
1162 if (typep.dntti.bitlength <= 8)
1163 return FT_UNSIGNED_CHAR;
1164 if (typep.dntti.bitlength <= 16)
1165 return FT_UNSIGNED_SHORT;
1166 if (typep.dntti.bitlength <= 32)
1167 return FT_UNSIGNED_INTEGER;
1168 return FT_UNSIGNED_LONG_LONG;
1170 case HP_TYPE_REAL_3000:
1171 case HP_TYPE_DOUBLE:
1172 if (typep.dntti.bitlength == 64)
1173 return FT_DBL_PREC_FLOAT;
1174 if (typep.dntti.bitlength == 128)
1175 return FT_EXT_PREC_FLOAT;
1177 case HP_TYPE_COMPLEX:
1178 case HP_TYPE_COMPLEXS3000:
1179 if (typep.dntti.bitlength == 128)
1180 return FT_DBL_PREC_COMPLEX;
1181 if (typep.dntti.bitlength == 192)
1182 return FT_EXT_PREC_COMPLEX;
1184 case HP_TYPE_STRING200:
1185 case HP_TYPE_LONGSTRING200:
1186 case HP_TYPE_FTN_STRING_SPEC:
1187 case HP_TYPE_MOD_STRING_SPEC:
1188 case HP_TYPE_MOD_STRING_3000:
1189 case HP_TYPE_FTN_STRING_S300_COMPAT:
1190 case HP_TYPE_FTN_STRING_VAX_COMPAT:
1197 /* Return the type associated with the index found in HP_TYPE. */
1199 static struct type **
1200 hpread_lookup_type (hp_type, objfile)
1201 dnttpointer hp_type;
1202 struct objfile *objfile;
1205 int index = hp_type.dnttp.index;
1207 if (hp_type.dntti.immediate)
1210 if (index < LNTT_SYMCOUNT (objfile))
1212 if (index >= TYPE_VECTOR_LENGTH (objfile))
1214 old_len = TYPE_VECTOR_LENGTH (objfile);
1217 TYPE_VECTOR_LENGTH (objfile) = 100;
1218 TYPE_VECTOR (objfile) = (struct type **)
1219 xmalloc (TYPE_VECTOR_LENGTH (objfile) * sizeof (struct type *));
1221 while (index >= TYPE_VECTOR_LENGTH (objfile))
1222 TYPE_VECTOR_LENGTH (objfile) *= 2;
1223 TYPE_VECTOR (objfile) = (struct type **)
1224 xrealloc ((char *) TYPE_VECTOR (objfile),
1225 (TYPE_VECTOR_LENGTH (objfile) * sizeof (struct type *)));
1226 memset (&TYPE_VECTOR (objfile)[old_len], 0,
1227 (TYPE_VECTOR_LENGTH (objfile) - old_len) *
1228 sizeof (struct type *));
1230 return &TYPE_VECTOR (objfile)[index];
1236 /* Possibly allocate a GDB internal type so we can internalize HP_TYPE.
1237 Note we'll just return the address of a GDB internal type if we already
1238 have it lying around. */
1240 static struct type *
1241 hpread_alloc_type (hp_type, objfile)
1242 dnttpointer hp_type;
1243 struct objfile *objfile;
1245 struct type **type_addr;
1247 type_addr = hpread_lookup_type (hp_type, objfile);
1248 if (*type_addr == 0)
1249 *type_addr = alloc_type (objfile);
1251 TYPE_CPLUS_SPECIFIC (*type_addr)
1252 = (struct cplus_struct_type *) &cplus_struct_default;
1256 /* Read a native enumerated type and return it in GDB internal form. */
1258 static struct type *
1259 hpread_read_enum_type (hp_type, dn_bufp, objfile)
1260 dnttpointer hp_type;
1261 union dnttentry *dn_bufp;
1262 struct objfile *objfile;
1265 struct pending **symlist, *osyms, *syms;
1266 int o_nsyms, nsyms = 0;
1268 union dnttentry *memp;
1273 type = hpread_alloc_type (hp_type, objfile);
1274 TYPE_LENGTH (type) = 4;
1276 symlist = &file_symbols;
1278 o_nsyms = osyms ? osyms->nsyms : 0;
1280 /* Get a name for each member and add it to our list of members. */
1281 mem = dn_bufp->denum.firstmem;
1282 while (mem.dnttp.extension && mem.word != DNTTNIL)
1284 memp = hpread_get_lntt (mem.dnttp.index, objfile);
1286 name = VT (objfile) + memp->dmember.name;
1287 sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
1288 sizeof (struct symbol));
1289 memset (sym, 0, sizeof (struct symbol));
1290 SYMBOL_NAME (sym) = obsavestring (name, strlen (name),
1291 &objfile->symbol_obstack);
1292 SYMBOL_CLASS (sym) = LOC_CONST;
1293 SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
1294 SYMBOL_VALUE (sym) = memp->dmember.value;
1295 add_symbol_to_list (sym, symlist);
1297 mem = memp->dmember.nextmem;
1300 /* Now that we know more about the enum, fill in more info. */
1301 TYPE_CODE (type) = TYPE_CODE_ENUM;
1302 TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
1303 TYPE_NFIELDS (type) = nsyms;
1304 TYPE_FIELDS (type) = (struct field *)
1305 obstack_alloc (&objfile->type_obstack, sizeof (struct field) * nsyms);
1307 /* Find the symbols for the members and put them into the type.
1308 The symbols can be found in the symlist that we put them on
1309 to cause them to be defined. osyms contains the old value
1310 of that symlist; everything up to there was defined by us.
1312 Note that we preserve the order of the enum constants, so
1313 that in something like "enum {FOO, LAST_THING=FOO}" we print
1314 FOO, not LAST_THING. */
1315 for (syms = *symlist, n = 0; syms; syms = syms->next)
1320 for (; j < syms->nsyms; j++, n++)
1322 struct symbol *xsym = syms->symbol[j];
1323 SYMBOL_TYPE (xsym) = type;
1324 TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
1325 TYPE_FIELD_VALUE (type, n) = 0;
1326 TYPE_FIELD_BITPOS (type, n) = SYMBOL_VALUE (xsym);
1327 TYPE_FIELD_BITSIZE (type, n) = 0;
1336 /* Read and internalize a native function debug symbol. */
1338 static struct type *
1339 hpread_read_function_type (hp_type, dn_bufp, objfile)
1340 dnttpointer hp_type;
1341 union dnttentry *dn_bufp;
1342 struct objfile *objfile;
1344 struct type *type, *type1;
1345 struct pending **symlist, *osyms, *syms;
1346 int o_nsyms, nsyms = 0;
1348 union dnttentry *paramp;
1353 param = dn_bufp->dfunc.firstparam;
1355 /* See if we've already read in this type. */
1356 type = hpread_alloc_type (hp_type, objfile);
1357 if (TYPE_CODE (type) == TYPE_CODE_FUNC)
1360 /* Nope, so read it in and store it away. */
1361 type1 = lookup_function_type (hpread_type_lookup (dn_bufp->dfunc.retval,
1363 memcpy ((char *) type, (char *) type1, sizeof (struct type));
1365 symlist = &local_symbols;
1367 o_nsyms = osyms ? osyms->nsyms : 0;
1369 /* Now examine each parameter noting its type, location, and a
1370 wealth of other information. */
1371 while (param.word && param.word != DNTTNIL)
1373 paramp = hpread_get_lntt (param.dnttp.index, objfile);
1375 param = paramp->dfparam.nextparam;
1378 name = VT (objfile) + paramp->dfparam.name;
1379 sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
1380 sizeof (struct symbol));
1381 (void) memset (sym, 0, sizeof (struct symbol));
1382 SYMBOL_NAME (sym) = obsavestring (name, strlen (name),
1383 &objfile->symbol_obstack);
1385 /* Figure out where it lives. */
1386 if (paramp->dfparam.regparam)
1387 SYMBOL_CLASS (sym) = LOC_REGPARM;
1388 else if (paramp->dfparam.indirect)
1389 SYMBOL_CLASS (sym) = LOC_REF_ARG;
1391 SYMBOL_CLASS (sym) = LOC_ARG;
1392 SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
1393 if (paramp->dfparam.copyparam)
1395 SYMBOL_VALUE (sym) = paramp->dfparam.location ;
1396 #ifdef HPREAD_ADJUST_STACK_ADDRESS
1398 += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
1400 /* This is likely a pass-by-invisible reference parameter,
1401 Hack on the symbol class to make GDB happy. */
1402 SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
1405 SYMBOL_VALUE (sym) = paramp->dfparam.location;
1408 SYMBOL_TYPE (sym) = hpread_type_lookup (paramp->dfparam.type, objfile);
1410 /* Add it to the list. */
1411 add_symbol_to_list (sym, symlist);
1414 /* Note how many parameters we found. */
1415 TYPE_NFIELDS (type) = nsyms;
1416 TYPE_FIELDS (type) = (struct field *)
1417 obstack_alloc (&objfile->type_obstack,
1418 sizeof (struct field) * nsyms);
1420 /* Find the symbols for the values and put them into the type.
1421 The symbols can be found in the symlist that we put them on
1422 to cause them to be defined. osyms contains the old value
1423 of that symlist; everything up to there was defined by us. */
1424 /* Note that we preserve the order of the parameters, so
1425 that in something like "enum {FOO, LAST_THING=FOO}" we print
1426 FOO, not LAST_THING. */
1427 for (syms = *symlist, n = 0; syms; syms = syms->next)
1432 for (; j < syms->nsyms; j++, n++)
1434 struct symbol *xsym = syms->symbol[j];
1435 TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
1436 TYPE_FIELD_TYPE (type, n) = SYMBOL_TYPE (xsym);
1437 TYPE_FIELD_BITPOS (type, n) = n;
1438 TYPE_FIELD_BITSIZE (type, n) = 0;
1446 /* Read in and internalize a structure definition. */
1448 static struct type *
1449 hpread_read_struct_type (hp_type, dn_bufp, objfile)
1450 dnttpointer hp_type;
1451 union dnttentry *dn_bufp;
1452 struct objfile *objfile;
1456 struct nextfield *next;
1461 struct nextfield *list = 0;
1462 struct nextfield *new;
1465 union dnttentry *fieldp;
1467 /* Is it something we've already dealt with? */
1468 type = hpread_alloc_type (hp_type, objfile);
1469 if ((TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
1470 (TYPE_CODE (type) == TYPE_CODE_UNION))
1473 /* Get the basic type correct. */
1474 if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT)
1476 TYPE_CODE (type) = TYPE_CODE_STRUCT;
1477 TYPE_LENGTH (type) = dn_bufp->dstruct.bitlength / 8;
1479 else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION)
1481 TYPE_CODE (type) = TYPE_CODE_UNION;
1482 TYPE_LENGTH (type) = dn_bufp->dunion.bitlength / 8;
1488 TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
1490 /* Read in and internalize all the fields. */
1491 field = dn_bufp->dstruct.firstfield;
1492 while (field.word != DNTTNIL && field.dnttp.extension)
1494 fieldp = hpread_get_lntt (field.dnttp.index, objfile);
1496 /* Get space to record the next field's data. */
1497 new = (struct nextfield *) alloca (sizeof (struct nextfield));
1501 list->field.name = VT (objfile) + fieldp->dfield.name;
1502 list->field.bitpos = fieldp->dfield.bitoffset;
1503 if (fieldp->dfield.bitlength % 8)
1504 list->field.bitsize = fieldp->dfield.bitlength;
1506 list->field.bitsize = 0;
1508 field = fieldp->dfield.nextfield;
1509 list->field.type = hpread_type_lookup (fieldp->dfield.type, objfile);
1512 TYPE_NFIELDS (type) = nfields;
1513 TYPE_FIELDS (type) = (struct field *)
1514 obstack_alloc (&objfile->type_obstack, sizeof (struct field) * nfields);
1516 /* Copy the saved-up fields into the field vector. */
1517 for (n = nfields; list; list = list->next)
1520 TYPE_FIELD (type, n) = list->field;
1525 /* Read in and internalize a set debug symbol. */
1527 static struct type *
1528 hpread_read_set_type (hp_type, dn_bufp, objfile)
1529 dnttpointer hp_type;
1530 union dnttentry *dn_bufp;
1531 struct objfile *objfile;
1535 /* See if it's something we've already deal with. */
1536 type = hpread_alloc_type (hp_type, objfile);
1537 if (TYPE_CODE (type) == TYPE_CODE_SET)
1540 /* Nope. Fill in the appropriate fields. */
1541 TYPE_CODE (type) = TYPE_CODE_SET;
1542 TYPE_LENGTH (type) = dn_bufp->dset.bitlength / 8;
1543 TYPE_NFIELDS (type) = 0;
1544 TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->dset.subtype,
1549 /* Read in and internalize an array debug symbol. */
1551 static struct type *
1552 hpread_read_array_type (hp_type, dn_bufp, objfile)
1553 dnttpointer hp_type;
1554 union dnttentry *dn_bufp;
1555 struct objfile *objfile;
1558 union dnttentry save;
1561 /* Why no check here? Because it kept us from properly determining
1562 the size of the array! */
1563 type = hpread_alloc_type (hp_type, objfile);
1565 TYPE_CODE (type) = TYPE_CODE_ARRAY;
1567 /* values are not normalized. */
1568 if (!((dn_bufp->darray.arrayisbytes && dn_bufp->darray.elemisbytes)
1569 || (!dn_bufp->darray.arrayisbytes && !dn_bufp->darray.elemisbytes)))
1571 else if (dn_bufp->darray.arraylength == 0x7fffffff)
1573 /* The HP debug format represents char foo[]; as an array with
1574 length 0x7fffffff. Internally GDB wants to represent this
1575 as an array of length zero. */
1576 TYPE_LENGTH (type) = 0;
1579 TYPE_LENGTH (type) = dn_bufp->darray.arraylength / 8;
1581 TYPE_NFIELDS (type) = 1;
1582 TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->darray.elemtype,
1585 TYPE_FIELDS (type) = (struct field *)
1586 obstack_alloc (&objfile->type_obstack, sizeof (struct field));
1587 TYPE_FIELD_TYPE (type, 0) = hpread_type_lookup (dn_bufp->darray.indextype,
1592 /* Read in and internalize a subrange debug symbol. */
1593 static struct type *
1594 hpread_read_subrange_type (hp_type, dn_bufp, objfile)
1595 dnttpointer hp_type;
1596 union dnttentry *dn_bufp;
1597 struct objfile *objfile;
1601 /* Is it something we've already dealt with. */
1602 type = hpread_alloc_type (hp_type, objfile);
1603 if (TYPE_CODE (type) == TYPE_CODE_RANGE)
1606 /* Nope, internalize it. */
1607 TYPE_CODE (type) = TYPE_CODE_RANGE;
1608 TYPE_LENGTH (type) = dn_bufp->dsubr.bitlength / 8;
1609 TYPE_NFIELDS (type) = 2;
1611 = (struct field *) obstack_alloc (&objfile->type_obstack,
1612 2 * sizeof (struct field));
1614 if (dn_bufp->dsubr.dyn_low)
1615 TYPE_FIELD_BITPOS (type, 0) = 0;
1617 TYPE_FIELD_BITPOS (type, 0) = dn_bufp->dsubr.lowbound;
1619 if (dn_bufp->dsubr.dyn_high)
1620 TYPE_FIELD_BITPOS (type, 1) = -1;
1622 TYPE_FIELD_BITPOS (type, 1) = dn_bufp->dsubr.highbound;
1623 TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->dsubr.subtype,
1628 static struct type *
1629 hpread_type_lookup (hp_type, objfile)
1630 dnttpointer hp_type;
1631 struct objfile *objfile;
1633 union dnttentry *dn_bufp;
1635 /* First see if it's a simple builtin type. */
1636 if (hp_type.dntti.immediate)
1637 return lookup_fundamental_type (objfile, hpread_type_translate (hp_type));
1639 /* Not a builtin type. We'll have to read it in. */
1640 if (hp_type.dnttp.index < LNTT_SYMCOUNT (objfile))
1641 dn_bufp = hpread_get_lntt (hp_type.dnttp.index, objfile);
1643 return lookup_fundamental_type (objfile, FT_VOID);
1645 switch (dn_bufp->dblock.kind)
1647 case DNTT_TYPE_SRCFILE:
1648 case DNTT_TYPE_MODULE:
1649 case DNTT_TYPE_FUNCTION:
1650 case DNTT_TYPE_ENTRY:
1651 case DNTT_TYPE_BEGIN:
1653 case DNTT_TYPE_IMPORT:
1654 case DNTT_TYPE_LABEL:
1655 case DNTT_TYPE_WITH:
1656 case DNTT_TYPE_COMMON:
1657 case DNTT_TYPE_FPARAM:
1658 case DNTT_TYPE_SVAR:
1659 case DNTT_TYPE_DVAR:
1660 case DNTT_TYPE_CONST:
1661 /* Opps. Something went very wrong. */
1662 return lookup_fundamental_type (objfile, FT_VOID);
1664 case DNTT_TYPE_TYPEDEF:
1666 struct type *structtype = hpread_type_lookup (dn_bufp->dtype.type,
1669 suffix = VT (objfile) + dn_bufp->dtype.name;
1671 TYPE_CPLUS_SPECIFIC (structtype)
1672 = (struct cplus_struct_type *) &cplus_struct_default;
1673 TYPE_NAME (structtype) = suffix;
1677 case DNTT_TYPE_TAGDEF:
1679 /* Just a little different from above. We have to tack on
1680 an identifier of some kind (struct, union, enum, etc). */
1681 struct type *structtype = hpread_type_lookup (dn_bufp->dtype.type,
1683 char *prefix, *suffix;
1684 suffix = VT (objfile) + dn_bufp->dtype.name;
1686 /* Lookup the next type in the list. It should be a structure,
1687 union, or enum type. We will need to attach that to our name. */
1688 if (dn_bufp->dtype.type.dnttp.index < LNTT_SYMCOUNT (objfile))
1689 dn_bufp = hpread_get_lntt (dn_bufp->dtype.type.dnttp.index, objfile);
1693 if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT)
1695 else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION)
1700 /* Build the correct name. */
1702 = (char *) obstack_alloc (&objfile->type_obstack,
1703 strlen (prefix) + strlen (suffix) + 1);
1704 TYPE_NAME (structtype) = strcpy (TYPE_NAME (structtype), prefix);
1705 TYPE_NAME (structtype) = strcat (TYPE_NAME (structtype), suffix);
1706 TYPE_TAG_NAME (structtype) = suffix;
1708 TYPE_CPLUS_SPECIFIC (structtype)
1709 = (struct cplus_struct_type *) &cplus_struct_default;
1713 case DNTT_TYPE_POINTER:
1714 return lookup_pointer_type (hpread_type_lookup (dn_bufp->dptr.pointsto,
1716 case DNTT_TYPE_ENUM:
1717 return hpread_read_enum_type (hp_type, dn_bufp, objfile);
1718 case DNTT_TYPE_MEMENUM:
1719 return lookup_fundamental_type (objfile, FT_VOID);
1721 return hpread_read_set_type (hp_type, dn_bufp, objfile);
1722 case DNTT_TYPE_SUBRANGE:
1723 return hpread_read_subrange_type (hp_type, dn_bufp, objfile);
1724 case DNTT_TYPE_ARRAY:
1725 return hpread_read_array_type (hp_type, dn_bufp, objfile);
1726 case DNTT_TYPE_STRUCT:
1727 case DNTT_TYPE_UNION:
1728 return hpread_read_struct_type (hp_type, dn_bufp, objfile);
1729 case DNTT_TYPE_FIELD:
1730 return hpread_type_lookup (dn_bufp->dfield.type, objfile);
1731 case DNTT_TYPE_VARIANT:
1732 case DNTT_TYPE_FILE:
1733 return lookup_fundamental_type (objfile, FT_VOID);
1734 case DNTT_TYPE_FUNCTYPE:
1735 return lookup_function_type (hpread_type_lookup (dn_bufp->dfunctype.retval,
1737 case DNTT_TYPE_COBSTRUCT:
1738 case DNTT_TYPE_XREF:
1740 case DNTT_TYPE_MACRO:
1742 return lookup_fundamental_type (objfile, FT_VOID);
1747 hpread_record_lines (subfile, s_idx, e_idx, objfile, offset)
1748 struct subfile *subfile;
1749 sltpointer s_idx, e_idx;
1750 struct objfile *objfile;
1753 union sltentry *sl_bufp;
1755 while (s_idx <= e_idx)
1757 sl_bufp = hpread_get_slt (s_idx, objfile);
1758 /* Only record "normal" entries in the SLT. */
1759 if (sl_bufp->snorm.sltdesc == SLT_NORMAL
1760 || sl_bufp->snorm.sltdesc == SLT_EXIT)
1761 record_line (subfile, sl_bufp->snorm.line,
1762 sl_bufp->snorm.address + offset);
1768 /* Internalize one native debug symbol. */
1771 hpread_process_one_debug_symbol (dn_bufp, name, section_offsets, objfile,
1772 text_offset, text_size, filename, index)
1773 union dnttentry *dn_bufp;
1775 struct section_offsets *section_offsets;
1776 struct objfile *objfile;
1777 CORE_ADDR text_offset;
1785 int offset = ANOFFSET (section_offsets, SECT_OFF_TEXT);
1786 union dnttentry *dn_temp;
1787 dnttpointer hp_type;
1789 struct context_stack *new;
1791 /* Allocate one GDB debug symbol and fill in some default values. */
1792 sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
1793 sizeof (struct symbol));
1794 memset (sym, 0, sizeof (struct symbol));
1795 SYMBOL_NAME (sym) = obsavestring (name, strlen (name), &objfile->symbol_obstack);
1796 SYMBOL_LANGUAGE (sym) = language_auto;
1797 SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
1798 SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
1799 SYMBOL_LINE (sym) = 0;
1800 SYMBOL_VALUE (sym) = 0;
1801 SYMBOL_CLASS (sym) = LOC_TYPEDEF;
1803 hp_type.dnttp.extension = 1;
1804 hp_type.dnttp.immediate = 0;
1805 hp_type.dnttp.global = 0;
1806 hp_type.dnttp.index = index;
1808 type = dn_bufp->dblock.kind;
1812 case DNTT_TYPE_SRCFILE:
1813 /* This type of symbol indicates from which source file or include file
1814 the following data comes. If there are no modules it also may
1815 indicate the start of a new source file, in which case we must
1816 finish the symbol table of the previous source file
1817 (if any) and start accumulating a new symbol table. */
1820 if (!last_source_file)
1822 start_symtab (name, NULL, valu);
1823 SL_INDEX (objfile) = dn_bufp->dsfile.address;
1827 SL_INDEX (objfile) = hpread_record_lines (current_subfile,
1829 dn_bufp->dsfile.address,
1832 start_subfile (name, NULL);
1835 case DNTT_TYPE_MODULE:
1836 /* No need to do anything with these DNTT_TYPE_MODULE symbols anymore. */
1839 case DNTT_TYPE_FUNCTION:
1840 case DNTT_TYPE_ENTRY:
1841 /* A function or secondary entry point. */
1842 valu = dn_bufp->dfunc.lowaddr + offset;
1843 SL_INDEX (objfile) = hpread_record_lines (current_subfile,
1845 dn_bufp->dfunc.address,
1848 WITHIN_FUNCTION (objfile) = 1;
1849 CURRENT_FUNCTION_VALUE (objfile) = valu;
1851 /* Stack must be empty now. */
1852 if (context_stack_depth != 0)
1853 complain (&lbrac_unmatched_complaint, (char *) symnum);
1854 new = push_context (0, valu);
1856 SYMBOL_CLASS (sym) = LOC_BLOCK;
1857 SYMBOL_TYPE (sym) = hpread_read_function_type (hp_type, dn_bufp, objfile);
1858 if (dn_bufp->dfunc.global)
1859 add_symbol_to_list (sym, &global_symbols);
1861 add_symbol_to_list (sym, &file_symbols);
1864 /* Search forward to the next scope beginning. */
1865 while (dn_bufp->dblock.kind != DNTT_TYPE_BEGIN)
1867 dn_bufp = hpread_get_lntt (++index, objfile);
1868 if (dn_bufp->dblock.extension)
1871 SL_INDEX (objfile) = hpread_record_lines (current_subfile,
1873 dn_bufp->dbegin.address,
1875 SYMBOL_LINE (sym) = hpread_get_line (dn_bufp->dbegin.address, objfile);
1876 record_line (current_subfile, SYMBOL_LINE (sym), valu);
1879 case DNTT_TYPE_BEGIN:
1880 /* Begin a new scope. */
1881 SL_INDEX (objfile) = hpread_record_lines (current_subfile,
1883 dn_bufp->dbegin.address,
1885 valu = hpread_get_location (dn_bufp->dbegin.address, objfile);
1886 valu += offset; /* Relocate for dynamic loading */
1887 desc = hpread_get_depth (dn_bufp->dbegin.address, objfile);
1888 new = push_context (desc, valu);
1893 SL_INDEX (objfile) = hpread_record_lines (current_subfile,
1895 dn_bufp->dend.address + 1,
1897 switch (dn_bufp->dend.endkind)
1899 case DNTT_TYPE_MODULE:
1900 /* Ending a module ends the symbol table for that module. */
1901 valu = text_offset + text_size + offset;
1902 (void) end_symtab (valu, objfile, 0);
1905 case DNTT_TYPE_FUNCTION:
1906 /* Ending a function, well, ends the function's scope. */
1907 dn_temp = hpread_get_lntt (dn_bufp->dend.beginscope.dnttp.index,
1909 valu = dn_temp->dfunc.hiaddr + offset;
1910 new = pop_context ();
1911 /* Make a block for the local symbols within. */
1912 finish_block (new->name, &local_symbols, new->old_blocks,
1913 new->start_addr, valu, objfile);
1914 WITHIN_FUNCTION (objfile) = 0;
1916 case DNTT_TYPE_BEGIN:
1917 /* Just ending a local scope. */
1918 valu = hpread_get_location (dn_bufp->dend.address, objfile);
1919 /* Why in the hell is this needed? */
1920 valu += offset + 9; /* Relocate for dynamic loading */
1921 new = pop_context ();
1922 desc = dn_bufp->dend.beginscope.dnttp.index;
1923 if (desc != new->depth)
1924 complain (&lbrac_mismatch_complaint, (char *) symnum);
1925 /* Make a block for the local symbols within. */
1926 finish_block (new->name, &local_symbols, new->old_blocks,
1927 new->start_addr, valu, objfile);
1928 local_symbols = new->locals;
1932 case DNTT_TYPE_LABEL:
1933 SYMBOL_NAMESPACE (sym) = LABEL_NAMESPACE;
1935 case DNTT_TYPE_FPARAM:
1936 /* Function parameters. */
1937 if (dn_bufp->dfparam.regparam)
1938 SYMBOL_CLASS (sym) = LOC_REGISTER;
1940 SYMBOL_CLASS (sym) = LOC_LOCAL;
1941 if (dn_bufp->dfparam.copyparam)
1943 SYMBOL_VALUE (sym) = dn_bufp->dfparam.location;
1944 #ifdef HPREAD_ADJUST_STACK_ADDRESS
1946 += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
1950 SYMBOL_VALUE (sym) = dn_bufp->dfparam.location;
1951 SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dfparam.type, objfile);
1952 add_symbol_to_list (sym, &local_symbols);
1954 case DNTT_TYPE_SVAR:
1955 /* Static variables. */
1956 SYMBOL_CLASS (sym) = LOC_STATIC;
1957 SYMBOL_VALUE_ADDRESS (sym) = dn_bufp->dsvar.location;
1958 SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dsvar.type, objfile);
1959 if (dn_bufp->dsvar.global)
1960 add_symbol_to_list (sym, &global_symbols);
1961 else if (WITHIN_FUNCTION (objfile))
1962 add_symbol_to_list (sym, &local_symbols);
1964 add_symbol_to_list (sym, &file_symbols);
1966 case DNTT_TYPE_DVAR:
1967 /* Dynamic variables. */
1968 if (dn_bufp->ddvar.regvar)
1969 SYMBOL_CLASS (sym) = LOC_REGISTER;
1971 SYMBOL_CLASS (sym) = LOC_LOCAL;
1972 SYMBOL_VALUE (sym) = dn_bufp->ddvar.location;
1973 #ifdef HPREAD_ADJUST_STACK_ADDRESS
1975 += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
1977 SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->ddvar.type, objfile);
1978 if (dn_bufp->ddvar.global)
1979 add_symbol_to_list (sym, &global_symbols);
1980 else if (WITHIN_FUNCTION (objfile))
1981 add_symbol_to_list (sym, &local_symbols);
1983 add_symbol_to_list (sym, &file_symbols);
1985 case DNTT_TYPE_CONST:
1986 /* A constant (pascal?). */
1987 SYMBOL_CLASS (sym) = LOC_CONST;
1988 SYMBOL_VALUE (sym) = dn_bufp->dconst.location;
1989 SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dconst.type, objfile);
1990 if (dn_bufp->dconst.global)
1991 add_symbol_to_list (sym, &global_symbols);
1992 else if (WITHIN_FUNCTION (objfile))
1993 add_symbol_to_list (sym, &local_symbols);
1995 add_symbol_to_list (sym, &file_symbols);
1997 case DNTT_TYPE_TYPEDEF:
1998 SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
1999 SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dtype.type, objfile);
2000 if (dn_bufp->dtype.global)
2001 add_symbol_to_list (sym, &global_symbols);
2002 else if (WITHIN_FUNCTION (objfile))
2003 add_symbol_to_list (sym, &local_symbols);
2005 add_symbol_to_list (sym, &file_symbols);
2007 case DNTT_TYPE_TAGDEF:
2008 SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
2009 SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dtype.type, objfile);
2010 TYPE_NAME (sym->type) = SYMBOL_NAME (sym);
2011 TYPE_TAG_NAME (sym->type) = SYMBOL_NAME (sym);
2012 if (dn_bufp->dtype.global)
2013 add_symbol_to_list (sym, &global_symbols);
2014 else if (WITHIN_FUNCTION (objfile))
2015 add_symbol_to_list (sym, &local_symbols);
2017 add_symbol_to_list (sym, &file_symbols);
2019 case DNTT_TYPE_POINTER:
2020 SYMBOL_TYPE (sym) = lookup_pointer_type (hpread_type_lookup
2021 (dn_bufp->dptr.pointsto,
2023 add_symbol_to_list (sym, &file_symbols);
2025 case DNTT_TYPE_ENUM:
2026 SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
2027 SYMBOL_TYPE (sym) = hpread_read_enum_type (hp_type, dn_bufp, objfile);
2028 add_symbol_to_list (sym, &file_symbols);
2030 case DNTT_TYPE_MEMENUM:
2033 SYMBOL_TYPE (sym) = hpread_read_set_type (hp_type, dn_bufp, objfile);
2034 add_symbol_to_list (sym, &file_symbols);
2036 case DNTT_TYPE_SUBRANGE:
2037 SYMBOL_TYPE (sym) = hpread_read_subrange_type (hp_type, dn_bufp,
2039 add_symbol_to_list (sym, &file_symbols);
2041 case DNTT_TYPE_ARRAY:
2042 SYMBOL_TYPE (sym) = hpread_read_array_type (hp_type, dn_bufp, objfile);
2043 add_symbol_to_list (sym, &file_symbols);
2045 case DNTT_TYPE_STRUCT:
2046 case DNTT_TYPE_UNION:
2047 SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
2048 SYMBOL_TYPE (sym) = hpread_read_struct_type (hp_type, dn_bufp, objfile);
2049 add_symbol_to_list (sym, &file_symbols);