1 /* Read a symbol table in ECOFF format (Third-Eye).
2 Copyright 1986, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998
3 Free Software Foundation, Inc.
4 Original version contributed by Alessandro Forin (af@cs.cmu.edu) at
5 CMU. Major work by Per Bothner, John Gilmore and Ian Lance Taylor
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24 /* This module provides the function mdebug_build_psymtabs. It reads
25 ECOFF debugging information into partial symbol tables. The
26 debugging information is read from two structures. A struct
27 ecoff_debug_swap includes the sizes of each ECOFF structure and
28 swapping routines; these are fixed for a particular target. A
29 struct ecoff_debug_info points to the debugging information for a
30 particular object file.
32 ECOFF symbol tables are mostly written in the byte order of the
33 target machine. However, one section of the table (the auxiliary
34 symbol information) is written in the host byte order. There is a
35 bit in the other symbol info which describes which host byte order
36 was used. ECOFF thereby takes the trophy from Intel `b.out' for
37 the most brain-dead adaptation of a file format to byte order.
39 This module can read all four of the known byte-order combinations,
40 on any type of host. */
50 #include "stabsread.h"
51 #include "complaints.h"
54 /* These are needed if the tm.h file does not contain the necessary
55 mips specific definitions. */
57 #ifndef MIPS_EFI_SYMBOL_NAME
58 #define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
59 extern void ecoff_relocate_efi
PARAMS ((struct symbol
*, CORE_ADDR
));
61 #include "coff/symconst.h"
62 typedef struct mips_extra_func_info
{
65 } *mips_extra_func_info_t
;
72 #include <sys/types.h>
76 #include "gdb_string.h"
78 #include "gdb-stabs.h"
82 #include "coff/ecoff.h" /* COFF-like aspects of ecoff files */
84 #include "libaout.h" /* Private BFD a.out information. */
85 #include "aout/aout64.h"
86 #include "aout/stab_gnu.h" /* STABS information */
88 #include "expression.h"
89 #include "language.h" /* Needed inside partial-stab.h */
92 /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
93 #ifndef ECOFF_REG_TO_REGNUM
94 #define ECOFF_REG_TO_REGNUM(num) (num)
97 /* Provide a way to test if we have both ECOFF and ELF symbol tables.
98 We use this define in order to know whether we should override a
99 symbol's ECOFF section with its ELF section. This is necessary in
100 case the symbol's ELF section could not be represented in ECOFF. */
101 #define ECOFF_IN_ELF(bfd) (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
102 && bfd_get_section_by_name (bfd, ".mdebug") != NULL)
105 /* We put a pointer to this structure in the read_symtab_private field
110 /* Index of the FDR that this psymtab represents. */
112 /* The BFD that the psymtab was created from. */
114 const struct ecoff_debug_swap
*debug_swap
;
115 struct ecoff_debug_info
*debug_info
;
116 struct mdebug_pending
**pending_list
;
117 /* Pointer to external symbols for this file. */
119 /* Size of extern_tab. */
121 enum language pst_language
;
124 #define PST_PRIVATE(p) ((struct symloc *)(p)->read_symtab_private)
125 #define FDR_IDX(p) (PST_PRIVATE(p)->fdr_idx)
126 #define CUR_BFD(p) (PST_PRIVATE(p)->cur_bfd)
127 #define DEBUG_SWAP(p) (PST_PRIVATE(p)->debug_swap)
128 #define DEBUG_INFO(p) (PST_PRIVATE(p)->debug_info)
129 #define PENDING_LIST(p) (PST_PRIVATE(p)->pending_list)
131 #define SC_IS_TEXT(sc) ((sc) == scText \
132 || (sc) == scRConst \
135 #define SC_IS_DATA(sc) ((sc) == scData \
140 #define SC_IS_COMMON(sc) ((sc) == scCommon || (sc) == scSCommon)
141 #define SC_IS_BSS(sc) ((sc) == scBss || (sc) == scSBss)
142 #define SC_IS_UNDEF(sc) ((sc) == scUndefined || (sc) == scSUndefined)
145 /* Things we import explicitly from other modules */
147 extern int info_verbose
;
149 /* Various complaints about symbol reading that don't abort the process */
151 static struct complaint bad_file_number_complaint
=
152 {"bad file number %d", 0, 0};
154 static struct complaint index_complaint
=
155 {"bad aux index at symbol %s", 0, 0};
157 static struct complaint aux_index_complaint
=
158 {"bad proc end in aux found from symbol %s", 0, 0};
160 static struct complaint block_index_complaint
=
161 {"bad aux index at block symbol %s", 0, 0};
163 static struct complaint unknown_ext_complaint
=
164 {"unknown external symbol %s", 0, 0};
166 static struct complaint unknown_sym_complaint
=
167 {"unknown local symbol %s", 0, 0};
169 static struct complaint unknown_st_complaint
=
170 {"with type %d", 0, 0};
172 static struct complaint block_overflow_complaint
=
173 {"block containing %s overfilled", 0, 0};
175 static struct complaint basic_type_complaint
=
176 {"cannot map ECOFF basic type 0x%x for %s", 0, 0};
178 static struct complaint unknown_type_qual_complaint
=
179 {"unknown type qualifier 0x%x", 0, 0};
181 static struct complaint array_index_type_complaint
=
182 {"illegal array index type for %s, assuming int", 0, 0};
184 static struct complaint bad_tag_guess_complaint
=
185 {"guessed tag type of %s incorrectly", 0, 0};
187 static struct complaint block_member_complaint
=
188 {"declaration block contains unhandled symbol type %d", 0, 0};
190 static struct complaint stEnd_complaint
=
191 {"stEnd with storage class %d not handled", 0, 0};
193 static struct complaint unknown_mdebug_symtype_complaint
=
194 {"unknown symbol type 0x%x", 0, 0};
196 static struct complaint stab_unknown_complaint
=
197 {"unknown stabs symbol %s", 0, 0};
199 static struct complaint pdr_for_nonsymbol_complaint
=
200 {"PDR for %s, but no symbol", 0, 0};
202 static struct complaint pdr_static_symbol_complaint
=
203 {"can't handle PDR for static proc at 0x%lx", 0, 0};
205 static struct complaint bad_setjmp_pdr_complaint
=
206 {"fixing bad setjmp PDR from libc", 0, 0};
208 static struct complaint bad_fbitfield_complaint
=
209 {"can't handle TIR fBitfield for %s", 0, 0};
211 static struct complaint bad_continued_complaint
=
212 {"illegal TIR continued for %s", 0, 0};
214 static struct complaint bad_rfd_entry_complaint
=
215 {"bad rfd entry for %s: file %d, index %d", 0, 0};
217 static struct complaint unexpected_type_code_complaint
=
218 {"unexpected type code for %s", 0, 0};
220 static struct complaint unable_to_cross_ref_complaint
=
221 {"unable to cross ref btTypedef for %s", 0, 0};
223 static struct complaint bad_indirect_xref_complaint
=
224 {"unable to cross ref btIndirect for %s", 0, 0};
226 static struct complaint illegal_forward_tq0_complaint
=
227 {"illegal tq0 in forward typedef for %s", 0, 0};
229 static struct complaint illegal_forward_bt_complaint
=
230 {"illegal bt %d in forward typedef for %s", 0, 0};
232 static struct complaint bad_linetable_guess_complaint
=
233 {"guessed size of linetable for %s incorrectly", 0, 0};
235 static struct complaint bad_ext_ifd_complaint
=
236 {"bad ifd for external symbol: %d (max %d)", 0, 0};
238 static struct complaint bad_ext_iss_complaint
=
239 {"bad iss for external symbol: %ld (max %ld)", 0, 0};
241 /* Macros and extra defs */
243 /* Puns: hard to find whether -g was used and how */
245 #define MIN_GLEVEL GLEVEL_0
246 #define compare_glevel(a,b) \
247 (((a) == GLEVEL_3) ? ((b) < GLEVEL_3) : \
248 ((b) == GLEVEL_3) ? -1 : (int)((b) - (a)))
250 /* Things that really are local to this module */
252 /* Remember what we deduced to be the source language of this psymtab. */
254 static enum language psymtab_language
= language_unknown
;
260 /* How to parse debugging information for CUR_BFD. */
262 static const struct ecoff_debug_swap
*debug_swap
;
264 /* Pointers to debugging information for CUR_BFD. */
266 static struct ecoff_debug_info
*debug_info
;
268 /* Pointer to current file decriptor record, and its index */
273 /* Index of current symbol */
277 /* Note how much "debuggable" this image is. We would like
278 to see at least one FDR with full symbols */
280 static int max_gdbinfo
;
281 static int max_glevel
;
283 /* When examining .o files, report on undefined symbols */
285 static int n_undef_symbols
, n_undef_labels
, n_undef_vars
, n_undef_procs
;
287 /* Pseudo symbol to use when putting stabs into the symbol table. */
289 static char stabs_symbol
[] = STABS_SYMBOL
;
291 /* Types corresponding to mdebug format bt* basic types. */
293 static struct type
*mdebug_type_void
;
294 static struct type
*mdebug_type_char
;
295 static struct type
*mdebug_type_short
;
296 static struct type
*mdebug_type_int_32
;
297 #define mdebug_type_int mdebug_type_int_32
298 static struct type
*mdebug_type_int_64
;
299 static struct type
*mdebug_type_long_32
;
300 static struct type
*mdebug_type_long_64
;
301 static struct type
*mdebug_type_long_long_64
;
302 static struct type
*mdebug_type_unsigned_char
;
303 static struct type
*mdebug_type_unsigned_short
;
304 static struct type
*mdebug_type_unsigned_int_32
;
305 static struct type
*mdebug_type_unsigned_int_64
;
306 static struct type
*mdebug_type_unsigned_long_32
;
307 static struct type
*mdebug_type_unsigned_long_64
;
308 static struct type
*mdebug_type_unsigned_long_long_64
;
309 static struct type
*mdebug_type_adr_32
;
310 static struct type
*mdebug_type_adr_64
;
311 static struct type
*mdebug_type_float
;
312 static struct type
*mdebug_type_double
;
313 static struct type
*mdebug_type_complex
;
314 static struct type
*mdebug_type_double_complex
;
315 static struct type
*mdebug_type_fixed_dec
;
316 static struct type
*mdebug_type_float_dec
;
317 static struct type
*mdebug_type_string
;
319 /* Types for symbols from files compiled without debugging info. */
321 static struct type
*nodebug_func_symbol_type
;
322 static struct type
*nodebug_var_symbol_type
;
324 /* Nonzero if we have seen ecoff debugging info for a file. */
326 static int found_ecoff_debugging_info
;
328 /* Forward declarations */
331 add_pending
PARAMS ((FDR
*, char *, struct type
*));
333 static struct mdebug_pending
*
334 is_pending_symbol
PARAMS ((FDR
*, char *));
337 pop_parse_stack
PARAMS ((void));
340 push_parse_stack
PARAMS ((void));
343 fdr_name
PARAMS ((FDR
*));
346 mdebug_psymtab_to_symtab
PARAMS ((struct partial_symtab
*));
349 upgrade_type
PARAMS ((int, struct type
**, int, union aux_ext
*, int, char *));
352 parse_partial_symbols
PARAMS ((struct objfile
*,
353 struct section_offsets
*));
356 *get_rfd
PARAMS ((int, int));
359 has_opaque_xref
PARAMS ((FDR
*, SYMR
*));
362 cross_ref
PARAMS ((int, union aux_ext
*, struct type
**, enum type_code
,
363 char **, int, char *));
365 static struct symbol
*
366 new_symbol
PARAMS ((char *));
369 new_type
PARAMS ((char *));
371 static struct block
*
372 new_block
PARAMS ((int));
374 static struct symtab
*
375 new_symtab
PARAMS ((char *, int, int, struct objfile
*));
377 static struct linetable
*
378 new_linetable
PARAMS ((int));
380 static struct blockvector
*
381 new_bvect
PARAMS ((int));
384 parse_symbol
PARAMS ((SYMR
*, union aux_ext
*, char *, int, struct section_offsets
*));
387 parse_type
PARAMS ((int, union aux_ext
*, unsigned int, int *, int, char *));
389 static struct symbol
*
390 mylookup_symbol
PARAMS ((char *, struct block
*, namespace_enum
,
391 enum address_class
));
393 static struct block
*
394 shrink_block
PARAMS ((struct block
*, struct symtab
*));
397 xzalloc
PARAMS ((unsigned int));
400 sort_blocks
PARAMS ((struct symtab
*));
403 compare_blocks
PARAMS ((const void *, const void *));
405 static struct partial_symtab
*
406 new_psymtab
PARAMS ((char *, struct objfile
*, struct section_offsets
*));
409 psymtab_to_symtab_1
PARAMS ((struct partial_symtab
*, char *));
412 add_block
PARAMS ((struct block
*, struct symtab
*));
415 add_symbol
PARAMS ((struct symbol
*, struct block
*));
418 add_line
PARAMS ((struct linetable
*, int, CORE_ADDR
, int));
420 static struct linetable
*
421 shrink_linetable
PARAMS ((struct linetable
*));
424 handle_psymbol_enumerators
PARAMS ((struct objfile
*, FDR
*, int, CORE_ADDR
));
427 mdebug_next_symbol_text
PARAMS ((struct objfile
*));
429 /* Address bounds for the signal trampoline in inferior, if any */
431 CORE_ADDR sigtramp_address
, sigtramp_end
;
433 /* Allocate zeroed memory */
439 PTR p
= xmalloc (size
);
445 /* Exported procedure: Builds a symtab from the PST partial one.
446 Restores the environment in effect when PST was created, delegates
447 most of the work to an ancillary procedure, and sorts
448 and reorders the symtab list at the end */
451 mdebug_psymtab_to_symtab (pst
)
452 struct partial_symtab
*pst
;
460 printf_filtered ("Reading in symbols for %s...", pst
->filename
);
461 gdb_flush (gdb_stdout
);
464 next_symbol_text_func
= mdebug_next_symbol_text
;
466 psymtab_to_symtab_1 (pst
, pst
->filename
);
468 /* Match with global symbols. This only needs to be done once,
469 after all of the symtabs and dependencies have been read in. */
470 scan_file_globals (pst
->objfile
);
473 printf_filtered ("done.\n");
476 /* File-level interface functions */
478 /* Find a file descriptor given its index RF relative to a file CF */
488 fdrs
= debug_info
->fdr
;
490 /* Object files do not have the RFD table, all refs are absolute */
493 (*debug_swap
->swap_rfd_in
) (cur_bfd
,
494 ((char *) debug_info
->external_rfd
496 * debug_swap
->external_rfd_size
)),
501 /* Return a safer print NAME for a file descriptor */
508 return "<stripped file>";
511 return debug_info
->ss
+ f
->issBase
+ f
->rss
;
515 /* Read in and parse the symtab of the file OBJFILE. Symbols from
516 different sections are relocated via the SECTION_OFFSETS. */
519 mdebug_build_psymtabs (objfile
, swap
, info
, section_offsets
)
520 struct objfile
*objfile
;
521 const struct ecoff_debug_swap
*swap
;
522 struct ecoff_debug_info
*info
;
523 struct section_offsets
*section_offsets
;
525 cur_bfd
= objfile
->obfd
;
529 /* Make sure all the FDR information is swapped in. */
530 if (info
->fdr
== (FDR
*) NULL
)
536 info
->fdr
= (FDR
*) obstack_alloc (&objfile
->psymbol_obstack
,
537 (info
->symbolic_header
.ifdMax
539 fdr_src
= info
->external_fdr
;
541 + info
->symbolic_header
.ifdMax
* swap
->external_fdr_size
);
543 for (; fdr_src
< fdr_end
; fdr_src
+= swap
->external_fdr_size
, fdr_ptr
++)
544 (*swap
->swap_fdr_in
) (objfile
->obfd
, fdr_src
, fdr_ptr
);
547 parse_partial_symbols (objfile
, section_offsets
);
550 /* Check to make sure file was compiled with -g. If not, warn the
551 user of this limitation. */
552 if (compare_glevel (max_glevel
, GLEVEL_2
) < 0)
554 if (max_gdbinfo
== 0)
555 printf_unfiltered ("\n%s not compiled with -g, debugging support is limited.\n",
557 printf_unfiltered ("You should compile with -g2 or -g3 for best debugging support.\n");
558 gdb_flush (gdb_stdout
);
563 /* Local utilities */
565 /* Map of FDR indexes to partial symtabs */
569 struct partial_symtab
*pst
; /* the psymtab proper */
570 long n_globals
; /* exported globals (external symbols) */
571 long globals_offset
; /* cumulative */
575 /* Utility stack, used to nest procedures and blocks properly.
576 It is a doubly linked list, to avoid too many alloc/free.
577 Since we might need it quite a few times it is NOT deallocated
580 static struct parse_stack
582 struct parse_stack
*next
, *prev
;
583 struct symtab
*cur_st
; /* Current symtab. */
584 struct block
*cur_block
; /* Block in it. */
586 /* What are we parsing. stFile, or stBlock are for files and
587 blocks. stProc or stStaticProc means we have seen the start of a
588 procedure, but not the start of the block within in. When we see
589 the start of that block, we change it to stNil, without pushing a
590 new block, i.e. stNil means both a procedure and a block. */
594 int maxsyms
; /* Max symbols in this block. */
595 struct type
*cur_type
; /* Type we parse fields for. */
596 int cur_field
; /* Field number in cur_type. */
597 CORE_ADDR procadr
; /* Start addres of this procedure */
598 int numargs
; /* Its argument count */
601 *top_stack
; /* Top stack ptr */
604 /* Enter a new lexical context */
609 struct parse_stack
*new;
611 /* Reuse frames if possible */
612 if (top_stack
&& top_stack
->prev
)
613 new = top_stack
->prev
;
615 new = (struct parse_stack
*) xzalloc (sizeof (struct parse_stack
));
616 /* Initialize new frame with previous content */
619 register struct parse_stack
*prev
= new->prev
;
622 top_stack
->prev
= new;
624 new->next
= top_stack
;
629 /* Exit a lexical context */
637 top_stack
= top_stack
->next
;
641 /* Cross-references might be to things we haven't looked at
642 yet, e.g. type references. To avoid too many type
643 duplications we keep a quick fixup table, an array
644 of lists of references indexed by file descriptor */
646 struct mdebug_pending
648 struct mdebug_pending
*next
; /* link */
649 char *s
; /* the unswapped symbol */
650 struct type
*t
; /* its partial type descriptor */
654 /* The pending information is kept for an entire object file, and used
655 to be in the sym_private field. I took it out when I split
656 mdebugread from mipsread, because this might not be the only type
657 of symbols read from an object file. Instead, we allocate the
658 pending information table when we create the partial symbols, and
659 we store a pointer to the single table in each psymtab. */
661 static struct mdebug_pending
**pending_list
;
663 /* Check whether we already saw symbol SH in file FH */
665 static struct mdebug_pending
*
666 is_pending_symbol (fh
, sh
)
670 int f_idx
= fh
- debug_info
->fdr
;
671 register struct mdebug_pending
*p
;
673 /* Linear search is ok, list is typically no more than 10 deep */
674 for (p
= pending_list
[f_idx
]; p
; p
= p
->next
)
680 /* Add a new symbol SH of type T */
683 add_pending (fh
, sh
, t
)
688 int f_idx
= fh
- debug_info
->fdr
;
689 struct mdebug_pending
*p
= is_pending_symbol (fh
, sh
);
691 /* Make sure we do not make duplicates */
694 p
= ((struct mdebug_pending
*)
695 obstack_alloc (¤t_objfile
->psymbol_obstack
,
696 sizeof (struct mdebug_pending
)));
699 p
->next
= pending_list
[f_idx
];
700 pending_list
[f_idx
] = p
;
705 /* Parsing Routines proper. */
707 /* Parse a single symbol. Mostly just make up a GDB symbol for it.
708 For blocks, procedures and types we open a new lexical context.
709 This is basically just a big switch on the symbol's type. Argument
710 AX is the base pointer of aux symbols for this file (fh->iauxBase).
711 EXT_SH points to the unswapped symbol, which is needed for struct,
712 union, etc., types; it is NULL for an EXTR. BIGEND says whether
713 aux symbols are big-endian or little-endian. Return count of
714 SYMR's handled (normally one). */
717 parse_symbol (sh
, ax
, ext_sh
, bigend
, section_offsets
)
722 struct section_offsets
*section_offsets
;
724 const bfd_size_type external_sym_size
= debug_swap
->external_sym_size
;
725 void (* const swap_sym_in
) PARAMS ((bfd
*, PTR
, SYMR
*)) =
726 debug_swap
->swap_sym_in
;
730 struct mdebug_pending
*pend
;
734 enum address_class
class;
736 long svalue
= sh
->value
;
739 if (ext_sh
== (char *) NULL
)
740 name
= debug_info
->ssext
+ sh
->iss
;
742 name
= debug_info
->ss
+ cur_fdr
->issBase
+ sh
->iss
;
748 /* Do not relocate relative values.
749 The value of a stEnd symbol is the displacement from the
750 corresponding start symbol value.
751 The value of a stBlock symbol is the displacement from the
752 procedure address. */
753 if (sh
->st
!= stEnd
&& sh
->st
!= stBlock
)
754 sh
->value
+= ANOFFSET (section_offsets
, SECT_OFF_TEXT
);
761 sh
->value
+= ANOFFSET (section_offsets
, SECT_OFF_DATA
);
765 sh
->value
+= ANOFFSET (section_offsets
, SECT_OFF_BSS
);
774 case stGlobal
: /* external symbol, goes into global block */
776 b
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (top_stack
->cur_st
),
778 s
= new_symbol (name
);
779 SYMBOL_VALUE_ADDRESS (s
) = (CORE_ADDR
) sh
->value
;
782 case stStatic
: /* static data, goes into current block. */
784 b
= top_stack
->cur_block
;
785 s
= new_symbol (name
);
786 if (SC_IS_COMMON(sh
->sc
))
788 /* It is a FORTRAN common block. At least for SGI Fortran the
789 address is not in the symbol; we need to fix it later in
790 scan_file_globals. */
791 int bucket
= hashname (SYMBOL_NAME (s
));
792 SYMBOL_VALUE_CHAIN (s
) = global_sym_chain
[bucket
];
793 global_sym_chain
[bucket
] = s
;
796 SYMBOL_VALUE_ADDRESS (s
) = (CORE_ADDR
) sh
->value
;
799 case stLocal
: /* local variable, goes into current block */
800 if (sh
->sc
== scRegister
)
802 class = LOC_REGISTER
;
803 svalue
= ECOFF_REG_TO_REGNUM (svalue
);
807 b
= top_stack
->cur_block
;
808 s
= new_symbol (name
);
809 SYMBOL_VALUE (s
) = svalue
;
811 data
: /* Common code for symbols describing data */
812 SYMBOL_NAMESPACE (s
) = VAR_NAMESPACE
;
813 SYMBOL_CLASS (s
) = class;
816 /* Type could be missing if file is compiled without debugging info. */
817 if (SC_IS_UNDEF(sh
->sc
)
818 || sh
->sc
== scNil
|| sh
->index
== indexNil
)
819 SYMBOL_TYPE (s
) = nodebug_var_symbol_type
;
821 SYMBOL_TYPE (s
) = parse_type (cur_fd
, ax
, sh
->index
, 0, bigend
, name
);
822 /* Value of a data symbol is its memory address */
825 case stParam
: /* arg to procedure, goes into current block */
827 found_ecoff_debugging_info
= 1;
828 top_stack
->numargs
++;
830 /* Special GNU C++ name. */
831 if (is_cplus_marker (name
[0]) && name
[1] == 't' && name
[2] == 0)
832 name
= "this"; /* FIXME, not alloc'd in obstack */
833 s
= new_symbol (name
);
835 SYMBOL_NAMESPACE (s
) = VAR_NAMESPACE
;
839 /* Pass by value in register. */
840 SYMBOL_CLASS(s
) = LOC_REGPARM
;
841 svalue
= ECOFF_REG_TO_REGNUM (svalue
);
844 /* Pass by reference on stack. */
845 SYMBOL_CLASS(s
) = LOC_REF_ARG
;
848 /* Pass by reference in register. */
849 SYMBOL_CLASS(s
) = LOC_REGPARM_ADDR
;
850 svalue
= ECOFF_REG_TO_REGNUM (svalue
);
853 /* Pass by value on stack. */
854 SYMBOL_CLASS(s
) = LOC_ARG
;
857 SYMBOL_VALUE (s
) = svalue
;
858 SYMBOL_TYPE (s
) = parse_type (cur_fd
, ax
, sh
->index
, 0, bigend
, name
);
859 add_symbol (s
, top_stack
->cur_block
);
862 case stLabel
: /* label, goes into current block */
863 s
= new_symbol (name
);
864 SYMBOL_NAMESPACE (s
) = VAR_NAMESPACE
; /* so that it can be used */
865 SYMBOL_CLASS (s
) = LOC_LABEL
; /* but not misused */
866 SYMBOL_VALUE_ADDRESS (s
) = (CORE_ADDR
) sh
->value
;
867 SYMBOL_TYPE (s
) = mdebug_type_int
;
868 add_symbol (s
, top_stack
->cur_block
);
871 case stProc
: /* Procedure, usually goes into global block */
872 case stStaticProc
: /* Static procedure, goes into current block */
873 s
= new_symbol (name
);
874 SYMBOL_NAMESPACE (s
) = VAR_NAMESPACE
;
875 SYMBOL_CLASS (s
) = LOC_BLOCK
;
876 /* Type of the return value */
877 if (SC_IS_UNDEF(sh
->sc
) || sh
->sc
== scNil
)
881 t
= parse_type (cur_fd
, ax
, sh
->index
+ 1, 0, bigend
, name
);
882 if (STREQ(name
, "malloc") && t
->code
== TYPE_CODE_VOID
)
884 /* I don't know why, but, at least under Alpha GNU/Linux,
885 when linking against a malloc without debugging
886 symbols, its read as a function returning void---this
887 is bad because it means we cannot call functions with
888 string arguments interactively; i.e., "call
889 printf("howdy\n")" would fail with the error message
890 "program has no memory available". To avoid this, we
891 patch up the type and make it void*
892 instead. (davidm@azstarnet.com)
894 t
= make_pointer_type (t
, NULL
);
897 b
= top_stack
->cur_block
;
898 if (sh
->st
== stProc
)
900 struct blockvector
*bv
= BLOCKVECTOR (top_stack
->cur_st
);
901 /* The next test should normally be true, but provides a
902 hook for nested functions (which we don't want to make
904 if (b
== BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
))
905 b
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
906 /* Irix 5 sometimes has duplicate names for the same
907 function. We want to add such names up at the global
908 level, not as a nested function. */
909 else if (sh
->value
== top_stack
->procadr
)
910 b
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
914 /* Make a type for the procedure itself */
915 SYMBOL_TYPE (s
) = lookup_function_type (t
);
917 /* Create and enter a new lexical context */
918 b
= new_block (top_stack
->maxsyms
);
919 SYMBOL_BLOCK_VALUE (s
) = b
;
920 BLOCK_FUNCTION (b
) = s
;
921 BLOCK_START (b
) = BLOCK_END (b
) = sh
->value
;
922 BLOCK_SUPERBLOCK (b
) = top_stack
->cur_block
;
923 add_block (b
, top_stack
->cur_st
);
925 /* Not if we only have partial info */
926 if (SC_IS_UNDEF(sh
->sc
) || sh
->sc
== scNil
)
930 top_stack
->cur_block
= b
;
931 top_stack
->blocktype
= sh
->st
;
932 top_stack
->cur_type
= SYMBOL_TYPE (s
);
933 top_stack
->cur_field
= -1;
934 top_stack
->procadr
= sh
->value
;
935 top_stack
->numargs
= 0;
938 /* Beginning of code for structure, union, and enum definitions.
939 They all share a common set of local variables, defined here. */
941 enum type_code type_code
;
947 case stStruct
: /* Start a block defining a struct type */
948 type_code
= TYPE_CODE_STRUCT
;
949 goto structured_common
;
951 case stUnion
: /* Start a block defining a union type */
952 type_code
= TYPE_CODE_UNION
;
953 goto structured_common
;
955 case stEnum
: /* Start a block defining an enum type */
956 type_code
= TYPE_CODE_ENUM
;
957 goto structured_common
;
959 case stBlock
: /* Either a lexical block, or some type */
960 if (sh
->sc
!= scInfo
&& !SC_IS_COMMON(sh
->sc
))
961 goto case_stBlock_code
; /* Lexical block */
963 type_code
= TYPE_CODE_UNDEF
; /* We have a type. */
965 /* Common code for handling struct, union, enum, and/or as-yet-
966 unknown-type blocks of info about structured data. `type_code'
967 has been set to the proper TYPE_CODE, if we know it. */
969 found_ecoff_debugging_info
= 1;
971 top_stack
->blocktype
= stBlock
;
973 /* First count the number of fields and the highest value. */
976 for (ext_tsym
= ext_sh
+ external_sym_size
;
978 ext_tsym
+= external_sym_size
)
982 (*swap_sym_in
) (cur_bfd
, ext_tsym
, &tsym
);
990 if (nfields
== 0 && type_code
== TYPE_CODE_UNDEF
)
992 /* If the type of the member is Nil (or Void),
993 without qualifiers, assume the tag is an
995 Alpha cc -migrate enums are recognized by a zero
996 index and a zero symbol value.
997 DU 4.0 cc enums are recognized by a member type of
998 btEnum without qualifiers and a zero symbol value. */
999 if (tsym
.index
== indexNil
1000 || (tsym
.index
== 0 && sh
->value
== 0))
1001 type_code
= TYPE_CODE_ENUM
;
1004 (*debug_swap
->swap_tir_in
) (bigend
,
1005 &ax
[tsym
.index
].a_ti
,
1007 if ((tir
.bt
== btNil
|| tir
.bt
== btVoid
1008 || (tir
.bt
== btEnum
&& sh
->value
== 0))
1009 && tir
.tq0
== tqNil
)
1010 type_code
= TYPE_CODE_ENUM
;
1014 if (tsym
.value
> max_value
)
1015 max_value
= tsym
.value
;
1024 /* This is a no-op; is it trying to tell us something
1025 we should be checking? */
1026 if (tsym
.sc
== scVariant
); /*UNIMPLEMENTED*/
1028 if (tsym
.index
!= 0)
1030 /* This is something like a struct within a
1031 struct. Skip over the fields of the inner
1032 struct. The -1 is because the for loop will
1033 increment ext_tsym. */
1034 ext_tsym
= ((char *) debug_info
->external_sym
1035 + ((cur_fdr
->isymBase
+ tsym
.index
- 1)
1036 * external_sym_size
));
1042 /* mips cc puts out a typedef for struct x if it is not yet
1043 defined when it encounters
1044 struct y { struct x *xp; };
1049 /* Irix5 cc puts out a stIndirect for struct x if it is not
1050 yet defined when it encounters
1051 struct y { struct x *xp; };
1056 complain (&block_member_complaint
, tsym
.st
);
1061 /* In an stBlock, there is no way to distinguish structs,
1062 unions, and enums at this point. This is a bug in the
1063 original design (that has been fixed with the recent
1064 addition of the stStruct, stUnion, and stEnum symbol
1065 types.) The way you can tell is if/when you see a variable
1066 or field of that type. In that case the variable's type
1067 (in the AUX table) says if the type is struct, union, or
1068 enum, and points back to the stBlock here. So you can
1069 patch the tag kind up later - but only if there actually is
1070 a variable or field of that type.
1072 So until we know for sure, we will guess at this point.
1074 If the first member has index==indexNil or a void type,
1075 assume we have an enumeration.
1076 Otherwise, if there is more than one member, and all
1077 the members have offset 0, assume we have a union.
1078 Otherwise, assume we have a struct.
1080 The heuristic could guess wrong in the case of of an
1081 enumeration with no members or a union with one (or zero)
1082 members, or when all except the last field of a struct have
1083 width zero. These are uncommon and/or illegal situations,
1084 and in any case guessing wrong probably doesn't matter
1087 But if we later do find out we were wrong, we fixup the tag
1088 kind. Members of an enumeration must be handled
1089 differently from struct/union fields, and that is harder to
1090 patch up, but luckily we shouldn't need to. (If there are
1091 any enumeration members, we can tell for sure it's an enum
1094 if (type_code
== TYPE_CODE_UNDEF
)
1096 if (nfields
> 1 && max_value
== 0)
1097 type_code
= TYPE_CODE_UNION
;
1099 type_code
= TYPE_CODE_STRUCT
;
1102 /* Create a new type or use the pending type. */
1103 pend
= is_pending_symbol (cur_fdr
, ext_sh
);
1104 if (pend
== (struct mdebug_pending
*) NULL
)
1106 t
= new_type (NULL
);
1107 add_pending (cur_fdr
, ext_sh
, t
);
1112 /* Do not set the tag name if it is a compiler generated tag name
1113 (.Fxx or .xxfake or empty) for unnamed struct/union/enums.
1114 Alpha cc puts out an sh->iss of zero for those. */
1115 if (sh
->iss
== 0 || name
[0] == '.' || name
[0] == '\0')
1116 TYPE_TAG_NAME (t
) = NULL
;
1118 TYPE_TAG_NAME (t
) = obconcat (¤t_objfile
->symbol_obstack
,
1121 TYPE_CODE (t
) = type_code
;
1122 TYPE_LENGTH (t
) = sh
->value
;
1123 TYPE_NFIELDS (t
) = nfields
;
1124 TYPE_FIELDS (t
) = f
= ((struct field
*)
1126 nfields
* sizeof (struct field
)));
1128 if (type_code
== TYPE_CODE_ENUM
)
1130 int unsigned_enum
= 1;
1132 /* This is a non-empty enum. */
1134 /* DEC c89 has the number of enumerators in the sh.value field,
1135 not the type length, so we have to compensate for that
1136 incompatibility quirk.
1137 This might do the wrong thing for an enum with one or two
1138 enumerators and gcc -gcoff -fshort-enums, but these cases
1139 are hopefully rare enough.
1140 Alpha cc -migrate has a sh.value field of zero, we adjust
1142 if (TYPE_LENGTH (t
) == TYPE_NFIELDS (t
)
1143 || TYPE_LENGTH (t
) == 0)
1144 TYPE_LENGTH (t
) = TARGET_INT_BIT
/ HOST_CHAR_BIT
;
1145 for (ext_tsym
= ext_sh
+ external_sym_size
;
1147 ext_tsym
+= external_sym_size
)
1150 struct symbol
*enum_sym
;
1152 (*swap_sym_in
) (cur_bfd
, ext_tsym
, &tsym
);
1154 if (tsym
.st
!= stMember
)
1157 FIELD_BITPOS (*f
) = tsym
.value
;
1158 FIELD_TYPE (*f
) = t
;
1159 FIELD_NAME (*f
) = debug_info
->ss
+ cur_fdr
->issBase
+ tsym
.iss
;
1160 FIELD_BITSIZE (*f
) = 0;
1162 enum_sym
= ((struct symbol
*)
1163 obstack_alloc (¤t_objfile
->symbol_obstack
,
1164 sizeof (struct symbol
)));
1165 memset ((PTR
) enum_sym
, 0, sizeof (struct symbol
));
1166 SYMBOL_NAME (enum_sym
) =
1167 obsavestring (f
->name
, strlen (f
->name
),
1168 ¤t_objfile
->symbol_obstack
);
1169 SYMBOL_CLASS (enum_sym
) = LOC_CONST
;
1170 SYMBOL_TYPE (enum_sym
) = t
;
1171 SYMBOL_NAMESPACE (enum_sym
) = VAR_NAMESPACE
;
1172 SYMBOL_VALUE (enum_sym
) = tsym
.value
;
1173 if (SYMBOL_VALUE (enum_sym
) < 0)
1175 add_symbol (enum_sym
, top_stack
->cur_block
);
1177 /* Skip the stMembers that we've handled. */
1182 TYPE_FLAGS (t
) |= TYPE_FLAG_UNSIGNED
;
1184 /* make this the current type */
1185 top_stack
->cur_type
= t
;
1186 top_stack
->cur_field
= 0;
1188 /* Do not create a symbol for alpha cc unnamed structs. */
1192 /* gcc puts out an empty struct for an opaque struct definitions,
1193 do not create a symbol for it either. */
1194 if (TYPE_NFIELDS (t
) == 0)
1196 TYPE_FLAGS (t
) |= TYPE_FLAG_STUB
;
1200 s
= new_symbol (name
);
1201 SYMBOL_NAMESPACE (s
) = STRUCT_NAMESPACE
;
1202 SYMBOL_CLASS (s
) = LOC_TYPEDEF
;
1203 SYMBOL_VALUE (s
) = 0;
1204 SYMBOL_TYPE (s
) = t
;
1205 add_symbol (s
, top_stack
->cur_block
);
1208 /* End of local variables shared by struct, union, enum, and
1209 block (as yet unknown struct/union/enum) processing. */
1213 found_ecoff_debugging_info
= 1;
1214 /* beginnning of (code) block. Value of symbol
1215 is the displacement from procedure start */
1216 push_parse_stack ();
1218 /* Do not start a new block if this is the outermost block of a
1219 procedure. This allows the LOC_BLOCK symbol to point to the
1220 block with the local variables, so funcname::var works. */
1221 if (top_stack
->blocktype
== stProc
1222 || top_stack
->blocktype
== stStaticProc
)
1224 top_stack
->blocktype
= stNil
;
1228 top_stack
->blocktype
= stBlock
;
1229 b
= new_block (top_stack
->maxsyms
);
1230 BLOCK_START (b
) = sh
->value
+ top_stack
->procadr
;
1231 BLOCK_SUPERBLOCK (b
) = top_stack
->cur_block
;
1232 top_stack
->cur_block
= b
;
1233 add_block (b
, top_stack
->cur_st
);
1236 case stEnd
: /* end (of anything) */
1237 if (sh
->sc
== scInfo
|| SC_IS_COMMON(sh
->sc
))
1239 /* Finished with type */
1240 top_stack
->cur_type
= 0;
1242 else if (sh
->sc
== scText
&&
1243 (top_stack
->blocktype
== stProc
||
1244 top_stack
->blocktype
== stStaticProc
))
1246 /* Finished with procedure */
1247 struct blockvector
*bv
= BLOCKVECTOR (top_stack
->cur_st
);
1248 struct mips_extra_func_info
*e
;
1250 struct type
*ftype
= top_stack
->cur_type
;
1253 BLOCK_END (top_stack
->cur_block
) += sh
->value
; /* size */
1255 /* Make up special symbol to contain procedure specific info */
1256 s
= new_symbol (MIPS_EFI_SYMBOL_NAME
);
1257 SYMBOL_NAMESPACE (s
) = LABEL_NAMESPACE
;
1258 SYMBOL_CLASS (s
) = LOC_CONST
;
1259 SYMBOL_TYPE (s
) = mdebug_type_void
;
1260 e
= ((struct mips_extra_func_info
*)
1261 obstack_alloc (¤t_objfile
->symbol_obstack
,
1262 sizeof (struct mips_extra_func_info
)));
1263 memset ((PTR
) e
, 0, sizeof (struct mips_extra_func_info
));
1264 SYMBOL_VALUE (s
) = (long) e
;
1265 e
->numargs
= top_stack
->numargs
;
1266 e
->pdr
.framereg
= -1;
1267 add_symbol (s
, top_stack
->cur_block
);
1269 /* Reallocate symbols, saving memory */
1270 b
= shrink_block (top_stack
->cur_block
, top_stack
->cur_st
);
1272 /* f77 emits proc-level with address bounds==[0,0],
1273 So look for such child blocks, and patch them. */
1274 for (i
= 0; i
< BLOCKVECTOR_NBLOCKS (bv
); i
++)
1276 struct block
*b_bad
= BLOCKVECTOR_BLOCK (bv
, i
);
1277 if (BLOCK_SUPERBLOCK (b_bad
) == b
1278 && BLOCK_START (b_bad
) == top_stack
->procadr
1279 && BLOCK_END (b_bad
) == top_stack
->procadr
)
1281 BLOCK_START (b_bad
) = BLOCK_START (b
);
1282 BLOCK_END (b_bad
) = BLOCK_END (b
);
1286 if (TYPE_NFIELDS (ftype
) <= 0)
1288 /* No parameter type information is recorded with the function's
1289 type. Set that from the type of the parameter symbols. */
1290 int nparams
= top_stack
->numargs
;
1296 TYPE_NFIELDS (ftype
) = nparams
;
1297 TYPE_FIELDS (ftype
) = (struct field
*)
1298 TYPE_ALLOC (ftype
, nparams
* sizeof (struct field
));
1300 for (i
= iparams
= 0; iparams
< nparams
; i
++)
1302 sym
= BLOCK_SYM (b
, i
);
1303 switch (SYMBOL_CLASS (sym
))
1308 case LOC_REGPARM_ADDR
:
1309 TYPE_FIELD_TYPE (ftype
, iparams
) = SYMBOL_TYPE (sym
);
1319 else if (sh
->sc
== scText
&& top_stack
->blocktype
== stBlock
)
1321 /* End of (code) block. The value of the symbol is the
1322 displacement from the procedure`s start address of the
1323 end of this block. */
1324 BLOCK_END (top_stack
->cur_block
) = sh
->value
+ top_stack
->procadr
;
1325 shrink_block (top_stack
->cur_block
, top_stack
->cur_st
);
1327 else if (sh
->sc
== scText
&& top_stack
->blocktype
== stNil
)
1329 /* End of outermost block. Pop parse stack and ignore. The
1330 following stEnd of stProc will take care of the block. */
1333 else if (sh
->sc
== scText
&& top_stack
->blocktype
== stFile
)
1335 /* End of file. Pop parse stack and ignore. Higher
1336 level code deals with this. */
1340 complain (&stEnd_complaint
, sh
->sc
);
1342 pop_parse_stack (); /* restore previous lexical context */
1345 case stMember
: /* member of struct or union */
1346 f
= &TYPE_FIELDS (top_stack
->cur_type
)[top_stack
->cur_field
++];
1347 FIELD_NAME (*f
) = name
;
1348 FIELD_BITPOS (*f
) = sh
->value
;
1350 FIELD_TYPE (*f
) = parse_type (cur_fd
, ax
, sh
->index
, &bitsize
, bigend
, name
);
1351 FIELD_BITSIZE (*f
) = bitsize
;
1354 case stIndirect
: /* forward declaration on Irix5 */
1355 /* Forward declarations from Irix5 cc are handled by cross_ref,
1359 case stTypedef
: /* type definition */
1360 found_ecoff_debugging_info
= 1;
1362 /* Typedefs for forward declarations and opaque structs from alpha cc
1363 are handled by cross_ref, skip them. */
1367 /* Parse the type or use the pending type. */
1368 pend
= is_pending_symbol (cur_fdr
, ext_sh
);
1369 if (pend
== (struct mdebug_pending
*) NULL
)
1371 t
= parse_type (cur_fd
, ax
, sh
->index
, (int *)NULL
, bigend
, name
);
1372 add_pending (cur_fdr
, ext_sh
, t
);
1377 /* mips cc puts out a typedef with the name of the struct for forward
1378 declarations. These should not go into the symbol table and
1379 TYPE_NAME should not be set for them.
1380 They can't be distinguished from an intentional typedef to
1381 the same name however:
1383 struct x { int ix; int jx; };
1387 struct xx {int ixx; int jxx; };
1388 generates a cross referencing stTypedef for x and xx.
1389 The user visible effect of this is that the type of a pointer
1390 to struct foo sometimes is given as `foo *' instead of `struct foo *'.
1391 The problem is fixed with alpha cc and Irix5 cc. */
1393 /* However if the typedef cross references to an opaque aggregate, it
1394 is safe to omit it from the symbol table. */
1396 if (has_opaque_xref (cur_fdr
, sh
))
1398 s
= new_symbol (name
);
1399 SYMBOL_NAMESPACE (s
) = VAR_NAMESPACE
;
1400 SYMBOL_CLASS (s
) = LOC_TYPEDEF
;
1401 SYMBOL_BLOCK_VALUE (s
) = top_stack
->cur_block
;
1402 SYMBOL_TYPE (s
) = t
;
1403 add_symbol (s
, top_stack
->cur_block
);
1405 /* Incomplete definitions of structs should not get a name. */
1406 if (TYPE_NAME (SYMBOL_TYPE (s
)) == NULL
1407 && (TYPE_NFIELDS (SYMBOL_TYPE (s
)) != 0
1408 || (TYPE_CODE (SYMBOL_TYPE (s
)) != TYPE_CODE_STRUCT
1409 && TYPE_CODE (SYMBOL_TYPE (s
)) != TYPE_CODE_UNION
)))
1411 if (TYPE_CODE (SYMBOL_TYPE (s
)) == TYPE_CODE_PTR
1412 || TYPE_CODE (SYMBOL_TYPE (s
)) == TYPE_CODE_FUNC
)
1414 /* If we are giving a name to a type such as "pointer to
1415 foo" or "function returning foo", we better not set
1416 the TYPE_NAME. If the program contains "typedef char
1417 *caddr_t;", we don't want all variables of type char
1418 * to print as caddr_t. This is not just a
1419 consequence of GDB's type management; CC and GCC (at
1420 least through version 2.4) both output variables of
1421 either type char * or caddr_t with the type
1422 refering to the stTypedef symbol for caddr_t. If a future
1423 compiler cleans this up it GDB is not ready for it
1424 yet, but if it becomes ready we somehow need to
1425 disable this check (without breaking the PCC/GCC2.4
1430 Fortunately, this check seems not to be necessary
1431 for anything except pointers or functions. */
1434 TYPE_NAME (SYMBOL_TYPE (s
)) = SYMBOL_NAME (s
);
1438 case stFile
: /* file name */
1439 push_parse_stack ();
1440 top_stack
->blocktype
= sh
->st
;
1443 /* I`ve never seen these for C */
1445 break; /* register relocation */
1447 break; /* forwarding address */
1449 break; /* constant */
1451 complain (&unknown_mdebug_symtype_complaint
, sh
->st
);
1458 /* Parse the type information provided in the raw AX entries for
1459 the symbol SH. Return the bitfield size in BS, in case.
1460 We must byte-swap the AX entries before we use them; BIGEND says whether
1461 they are big-endian or little-endian (from fh->fBigendian). */
1463 static struct type
*
1464 parse_type (fd
, ax
, aux_index
, bs
, bigend
, sym_name
)
1467 unsigned int aux_index
;
1472 /* Null entries in this map are treated specially */
1473 static struct type
**map_bt
[] =
1475 &mdebug_type_void
, /* btNil */
1476 &mdebug_type_adr_32
, /* btAdr */
1477 &mdebug_type_char
, /* btChar */
1478 &mdebug_type_unsigned_char
, /* btUChar */
1479 &mdebug_type_short
, /* btShort */
1480 &mdebug_type_unsigned_short
, /* btUShort */
1481 &mdebug_type_int_32
, /* btInt */
1482 &mdebug_type_unsigned_int_32
, /* btUInt */
1483 &mdebug_type_long_32
, /* btLong */
1484 &mdebug_type_unsigned_long_32
, /* btULong */
1485 &mdebug_type_float
, /* btFloat */
1486 &mdebug_type_double
, /* btDouble */
1493 &mdebug_type_complex
, /* btComplex */
1494 &mdebug_type_double_complex
, /* btDComplex */
1496 &mdebug_type_fixed_dec
, /* btFixedDec */
1497 &mdebug_type_float_dec
, /* btFloatDec */
1498 &mdebug_type_string
, /* btString */
1501 &mdebug_type_void
, /* btVoid */
1502 0, /* DEC C++: Pointer to member */
1503 0, /* DEC C++: Virtual function table */
1504 0, /* DEC C++: Class (Record) */
1505 &mdebug_type_long_64
, /* btLong64 */
1506 &mdebug_type_unsigned_long_64
, /* btULong64 */
1507 &mdebug_type_long_long_64
, /* btLongLong64 */
1508 &mdebug_type_unsigned_long_long_64
, /* btULongLong64 */
1509 &mdebug_type_adr_64
, /* btAdr64 */
1510 &mdebug_type_int_64
, /* btInt64 */
1511 &mdebug_type_unsigned_int_64
, /* btUInt64 */
1515 struct type
*tp
= 0;
1516 enum type_code type_code
= TYPE_CODE_UNDEF
;
1518 /* Handle undefined types, they have indexNil. */
1519 if (aux_index
== indexNil
)
1520 return mdebug_type_int
;
1522 /* Handle corrupt aux indices. */
1523 if (aux_index
>= (debug_info
->fdr
+ fd
)->caux
)
1525 complain (&index_complaint
, sym_name
);
1526 return mdebug_type_int
;
1530 /* Use aux as a type information record, map its basic type. */
1531 (*debug_swap
->swap_tir_in
) (bigend
, &ax
->a_ti
, t
);
1532 if (t
->bt
>= (sizeof (map_bt
) / sizeof (*map_bt
)))
1534 complain (&basic_type_complaint
, t
->bt
, sym_name
);
1535 return mdebug_type_int
;
1539 tp
= *map_bt
[t
->bt
];
1544 /* Cannot use builtin types -- build our own */
1548 type_code
= TYPE_CODE_STRUCT
;
1551 type_code
= TYPE_CODE_UNION
;
1554 type_code
= TYPE_CODE_ENUM
;
1557 type_code
= TYPE_CODE_RANGE
;
1560 type_code
= TYPE_CODE_SET
;
1563 /* alpha cc -migrate uses this for typedefs. The true type will
1564 be obtained by crossreferencing below. */
1565 type_code
= TYPE_CODE_ERROR
;
1568 /* alpha cc uses this for typedefs. The true type will be
1569 obtained by crossreferencing below. */
1570 type_code
= TYPE_CODE_ERROR
;
1573 complain (&basic_type_complaint
, t
->bt
, sym_name
);
1574 return mdebug_type_int
;
1578 /* Move on to next aux */
1583 int width
= AUX_GET_WIDTH (bigend
, ax
);
1585 /* Inhibit core dumps with some cfront generated objects that
1587 if (bs
== (int *)NULL
)
1589 /* Alpha cc -migrate encodes char and unsigned char types
1590 as short and unsigned short types with a field width of 8.
1591 Enum types also have a field width which we ignore for now. */
1592 if (t
->bt
== btShort
&& width
== 8)
1593 tp
= mdebug_type_char
;
1594 else if (t
->bt
== btUShort
&& width
== 8)
1595 tp
= mdebug_type_unsigned_char
;
1596 else if (t
->bt
== btEnum
)
1599 complain (&bad_fbitfield_complaint
, sym_name
);
1606 /* A btIndirect entry cross references to an aux entry containing
1608 if (t
->bt
== btIndirect
)
1615 (*debug_swap
->swap_rndx_in
) (bigend
, &ax
->a_rndx
, rn
);
1617 if (rn
->rfd
== 0xfff)
1619 rf
= AUX_GET_ISYM (bigend
, ax
);
1627 complain (&bad_indirect_xref_complaint
, sym_name
);
1628 return mdebug_type_int
;
1630 xref_fh
= get_rfd (fd
, rf
);
1631 xref_fd
= xref_fh
- debug_info
->fdr
;
1632 tp
= parse_type (xref_fd
, debug_info
->external_aux
+ xref_fh
->iauxBase
,
1633 rn
->index
, (int *) NULL
, xref_fh
->fBigendian
, sym_name
);
1636 /* All these types really point to some (common) MIPS type
1637 definition, and only the type-qualifiers fully identify
1638 them. We'll make the same effort at sharing. */
1639 if (t
->bt
== btStruct
||
1643 /* btSet (I think) implies that the name is a tag name, not a typedef
1644 name. This apparently is a MIPS extension for C sets. */
1649 /* Try to cross reference this type, build new type on failure. */
1650 ax
+= cross_ref (fd
, ax
, &tp
, type_code
, &name
, bigend
, sym_name
);
1651 if (tp
== (struct type
*) NULL
)
1652 tp
= init_type (type_code
, 0, 0, (char *) NULL
, current_objfile
);
1654 /* DEC c89 produces cross references to qualified aggregate types,
1655 dereference them. */
1656 while (TYPE_CODE (tp
) == TYPE_CODE_PTR
1657 || TYPE_CODE (tp
) == TYPE_CODE_ARRAY
)
1658 tp
= tp
->target_type
;
1660 /* Make sure that TYPE_CODE(tp) has an expected type code.
1661 Any type may be returned from cross_ref if file indirect entries
1663 if (TYPE_CODE (tp
) != TYPE_CODE_STRUCT
1664 && TYPE_CODE (tp
) != TYPE_CODE_UNION
1665 && TYPE_CODE (tp
) != TYPE_CODE_ENUM
)
1667 complain (&unexpected_type_code_complaint
, sym_name
);
1672 /* Usually, TYPE_CODE(tp) is already type_code. The main
1673 exception is if we guessed wrong re struct/union/enum.
1674 But for struct vs. union a wrong guess is harmless, so
1675 don't complain(). */
1676 if ((TYPE_CODE (tp
) == TYPE_CODE_ENUM
1677 && type_code
!= TYPE_CODE_ENUM
)
1678 || (TYPE_CODE (tp
) != TYPE_CODE_ENUM
1679 && type_code
== TYPE_CODE_ENUM
))
1681 complain (&bad_tag_guess_complaint
, sym_name
);
1684 if (TYPE_CODE (tp
) != type_code
)
1686 TYPE_CODE (tp
) = type_code
;
1689 /* Do not set the tag name if it is a compiler generated tag name
1690 (.Fxx or .xxfake or empty) for unnamed struct/union/enums. */
1691 if (name
[0] == '.' || name
[0] == '\0')
1692 TYPE_TAG_NAME (tp
) = NULL
;
1693 else if (TYPE_TAG_NAME (tp
) == NULL
1694 || !STREQ (TYPE_TAG_NAME (tp
), name
))
1695 TYPE_TAG_NAME (tp
) = obsavestring (name
, strlen (name
),
1696 ¤t_objfile
->type_obstack
);
1700 /* All these types really point to some (common) MIPS type
1701 definition, and only the type-qualifiers fully identify
1702 them. We'll make the same effort at sharing.
1703 FIXME: We are not doing any guessing on range types. */
1704 if (t
->bt
== btRange
)
1708 /* Try to cross reference this type, build new type on failure. */
1709 ax
+= cross_ref (fd
, ax
, &tp
, type_code
, &name
, bigend
, sym_name
);
1710 if (tp
== (struct type
*) NULL
)
1711 tp
= init_type (type_code
, 0, 0, (char *) NULL
, current_objfile
);
1713 /* Make sure that TYPE_CODE(tp) has an expected type code.
1714 Any type may be returned from cross_ref if file indirect entries
1716 if (TYPE_CODE (tp
) != TYPE_CODE_RANGE
)
1718 complain (&unexpected_type_code_complaint
, sym_name
);
1722 /* Usually, TYPE_CODE(tp) is already type_code. The main
1723 exception is if we guessed wrong re struct/union/enum. */
1724 if (TYPE_CODE (tp
) != type_code
)
1726 complain (&bad_tag_guess_complaint
, sym_name
);
1727 TYPE_CODE (tp
) = type_code
;
1729 if (TYPE_NAME (tp
) == NULL
|| !STREQ (TYPE_NAME (tp
), name
))
1730 TYPE_NAME (tp
) = obsavestring (name
, strlen (name
),
1731 ¤t_objfile
->type_obstack
);
1734 if (t
->bt
== btTypedef
)
1738 /* Try to cross reference this type, it should succeed. */
1739 ax
+= cross_ref (fd
, ax
, &tp
, type_code
, &name
, bigend
, sym_name
);
1740 if (tp
== (struct type
*) NULL
)
1742 complain (&unable_to_cross_ref_complaint
, sym_name
);
1743 tp
= mdebug_type_int
;
1747 /* Deal with range types */
1748 if (t
->bt
== btRange
)
1750 TYPE_NFIELDS (tp
) = 2;
1751 TYPE_FIELDS (tp
) = ((struct field
*)
1752 TYPE_ALLOC (tp
, 2 * sizeof (struct field
)));
1753 TYPE_FIELD_NAME (tp
, 0) = obsavestring ("Low", strlen ("Low"),
1754 ¤t_objfile
->type_obstack
);
1755 TYPE_FIELD_BITPOS (tp
, 0) = AUX_GET_DNLOW (bigend
, ax
);
1757 TYPE_FIELD_NAME (tp
, 1) = obsavestring ("High", strlen ("High"),
1758 ¤t_objfile
->type_obstack
);
1759 TYPE_FIELD_BITPOS (tp
, 1) = AUX_GET_DNHIGH (bigend
, ax
);
1763 /* Parse all the type qualifiers now. If there are more
1764 than 6 the game will continue in the next aux */
1768 #define PARSE_TQ(tq) \
1769 if (t->tq != tqNil) \
1770 ax += upgrade_type(fd, &tp, t->tq, ax, bigend, sym_name); \
1782 /* mips cc 2.x and gcc never put out continued aux entries. */
1786 (*debug_swap
->swap_tir_in
) (bigend
, &ax
->a_ti
, t
);
1790 /* Complain for illegal continuations due to corrupt aux entries. */
1792 complain (&bad_continued_complaint
, sym_name
);
1797 /* Make up a complex type from a basic one. Type is passed by
1798 reference in TPP and side-effected as necessary. The type
1799 qualifier TQ says how to handle the aux symbols at AX for
1800 the symbol SX we are currently analyzing. BIGEND says whether
1801 aux symbols are big-endian or little-endian.
1802 Returns the number of aux symbols we parsed. */
1805 upgrade_type (fd
, tpp
, tq
, ax
, bigend
, sym_name
)
1816 /* Used in array processing */
1827 t
= lookup_pointer_type (*tpp
);
1832 t
= lookup_function_type (*tpp
);
1839 /* Determine and record the domain type (type of index) */
1840 (*debug_swap
->swap_rndx_in
) (bigend
, &ax
->a_rndx
, &rndx
);
1846 rf
= AUX_GET_ISYM (bigend
, ax
);
1849 fh
= get_rfd (fd
, rf
);
1851 indx
= parse_type (fh
- debug_info
->fdr
,
1852 debug_info
->external_aux
+ fh
->iauxBase
,
1853 id
, (int *) NULL
, bigend
, sym_name
);
1855 /* The bounds type should be an integer type, but might be anything
1856 else due to corrupt aux entries. */
1857 if (TYPE_CODE (indx
) != TYPE_CODE_INT
)
1859 complain (&array_index_type_complaint
, sym_name
);
1860 indx
= mdebug_type_int
;
1863 /* Get the bounds, and create the array type. */
1865 lower
= AUX_GET_DNLOW (bigend
, ax
);
1867 upper
= AUX_GET_DNHIGH (bigend
, ax
);
1869 rf
= AUX_GET_WIDTH (bigend
, ax
); /* bit size of array element */
1871 range
= create_range_type ((struct type
*) NULL
, indx
,
1874 t
= create_array_type ((struct type
*) NULL
, *tpp
, range
);
1876 /* We used to fill in the supplied array element bitsize
1877 here if the TYPE_LENGTH of the target type was zero.
1878 This happens for a `pointer to an array of anonymous structs',
1879 but in this case the array element bitsize is also zero,
1880 so nothing is gained.
1881 And we used to check the TYPE_LENGTH of the target type against
1882 the supplied array element bitsize.
1883 gcc causes a mismatch for `pointer to array of object',
1884 since the sdb directives it uses do not have a way of
1885 specifying the bitsize, but it does no harm (the
1886 TYPE_LENGTH should be correct) and we should be able to
1887 ignore the erroneous bitsize from the auxiliary entry safely.
1888 dbx seems to ignore it too. */
1890 /* TYPE_FLAG_TARGET_STUB now takes care of the zero TYPE_LENGTH
1892 if (TYPE_LENGTH (*tpp
) == 0)
1894 TYPE_FLAGS (t
) |= TYPE_FLAG_TARGET_STUB
;
1901 /* Volatile -- currently ignored */
1905 /* Const -- currently ignored */
1909 complain (&unknown_type_qual_complaint
, tq
);
1915 /* Parse a procedure descriptor record PR. Note that the procedure is
1916 parsed _after_ the local symbols, now we just insert the extra
1917 information we need into a MIPS_EFI_SYMBOL_NAME symbol that has
1918 already been placed in the procedure's main block. Note also that
1919 images that have been partially stripped (ld -x) have been deprived
1920 of local symbols, and we have to cope with them here. FIRST_OFF is
1921 the offset of the first procedure for this FDR; we adjust the
1922 address by this amount, but I don't know why. SEARCH_SYMTAB is the symtab
1923 to look for the function which contains the MIPS_EFI_SYMBOL_NAME symbol
1924 in question, or NULL to use top_stack->cur_block. */
1926 static void parse_procedure
PARAMS ((PDR
*, struct symtab
*,
1927 struct partial_symtab
*));
1930 parse_procedure (pr
, search_symtab
, pst
)
1932 struct symtab
*search_symtab
;
1933 struct partial_symtab
*pst
;
1935 struct symbol
*s
, *i
;
1937 struct mips_extra_func_info
*e
;
1940 /* Simple rule to find files linked "-x" */
1941 if (cur_fdr
->rss
== -1)
1945 /* Static procedure at address pr->adr. Sigh. */
1946 /* FIXME-32x64. assuming pr->adr fits in long. */
1947 complain (&pdr_static_symbol_complaint
, (unsigned long) pr
->adr
);
1955 (*debug_swap
->swap_ext_in
) (cur_bfd
,
1956 ((char *) debug_info
->external_ext
1958 * debug_swap
->external_ext_size
)),
1960 sh_name
= debug_info
->ssext
+ she
.asym
.iss
;
1968 (*debug_swap
->swap_sym_in
) (cur_bfd
,
1969 ((char *) debug_info
->external_sym
1970 + ((cur_fdr
->isymBase
+ pr
->isym
)
1971 * debug_swap
->external_sym_size
)),
1973 sh_name
= debug_info
->ss
+ cur_fdr
->issBase
+ sh
.iss
;
1976 if (search_symtab
!= NULL
)
1979 /* This loses both in the case mentioned (want a static, find a global),
1980 but also if we are looking up a non-mangled name which happens to
1981 match the name of a mangled function. */
1982 /* We have to save the cur_fdr across the call to lookup_symbol.
1983 If the pdr is for a static function and if a global function with
1984 the same name exists, lookup_symbol will eventually read in the symtab
1985 for the global function and clobber cur_fdr. */
1986 FDR
*save_cur_fdr
= cur_fdr
;
1987 s
= lookup_symbol (sh_name
, NULL
, VAR_NAMESPACE
, 0, NULL
);
1988 cur_fdr
= save_cur_fdr
;
1992 BLOCKVECTOR_BLOCK (BLOCKVECTOR (search_symtab
), STATIC_BLOCK
),
1998 s
= mylookup_symbol (sh_name
, top_stack
->cur_block
,
1999 VAR_NAMESPACE
, LOC_BLOCK
);
2003 b
= SYMBOL_BLOCK_VALUE (s
);
2007 complain (&pdr_for_nonsymbol_complaint
, sh_name
);
2011 /* FIXME -- delete. We can't do symbol allocation now; it's all done. */
2012 s
= new_symbol (sh_name
);
2013 SYMBOL_NAMESPACE (s
) = VAR_NAMESPACE
;
2014 SYMBOL_CLASS (s
) = LOC_BLOCK
;
2015 /* Donno its type, hope int is ok */
2016 SYMBOL_TYPE (s
) = lookup_function_type (mdebug_type_int
);
2017 add_symbol (s
, top_stack
->cur_block
);
2018 /* Wont have symbols for this one */
2020 SYMBOL_BLOCK_VALUE (s
) = b
;
2021 BLOCK_FUNCTION (b
) = s
;
2022 BLOCK_START (b
) = pr
->adr
;
2023 /* BOUND used to be the end of procedure's text, but the
2024 argument is no longer passed in. */
2025 BLOCK_END (b
) = bound
;
2026 BLOCK_SUPERBLOCK (b
) = top_stack
->cur_block
;
2027 add_block (b
, top_stack
->cur_st
);
2031 i
= mylookup_symbol (MIPS_EFI_SYMBOL_NAME
, b
, LABEL_NAMESPACE
, LOC_CONST
);
2035 e
= (struct mips_extra_func_info
*) SYMBOL_VALUE (i
);
2037 e
->pdr
.isym
= (long) s
;
2039 /* GDB expects the absolute function start address for the
2040 procedure descriptor in e->pdr.adr.
2041 As the address in the procedure descriptor is usually relative,
2042 we would have to relocate e->pdr.adr with cur_fdr->adr and
2043 ANOFFSET (pst->section_offsets, SECT_OFF_TEXT).
2044 Unfortunately cur_fdr->adr and e->pdr.adr are both absolute
2045 in shared libraries on some systems, and on other systems
2046 e->pdr.adr is sometimes offset by a bogus value.
2047 To work around these problems, we replace e->pdr.adr with
2048 the start address of the function. */
2049 e
->pdr
.adr
= BLOCK_START (b
);
2051 /* Correct incorrect setjmp procedure descriptor from the library
2052 to make backtrace through setjmp work. */
2053 if (e
->pdr
.pcreg
== 0 && STREQ (sh_name
, "setjmp"))
2055 complain (&bad_setjmp_pdr_complaint
, 0);
2056 e
->pdr
.pcreg
= RA_REGNUM
;
2057 e
->pdr
.regmask
= 0x80000000;
2058 e
->pdr
.regoffset
= -4;
2062 /* It would be reasonable that functions that have been compiled
2063 without debugging info have a btNil type for their return value,
2064 and functions that are void and are compiled with debugging info
2066 gcc and DEC f77 put out btNil types for both cases, so btNil is mapped
2067 to TYPE_CODE_VOID in parse_type to get the `compiled with debugging info'
2069 The glevel field in cur_fdr could be used to determine the presence
2070 of debugging info, but GCC doesn't always pass the -g switch settings
2071 to the assembler and GAS doesn't set the glevel field from the -g switch
2073 To work around these problems, the return value type of a TYPE_CODE_VOID
2074 function is adjusted accordingly if no debugging info was found in the
2075 compilation unit. */
2077 if (processing_gcc_compilation
== 0
2078 && found_ecoff_debugging_info
== 0
2079 && TYPE_CODE (TYPE_TARGET_TYPE (SYMBOL_TYPE (s
))) == TYPE_CODE_VOID
)
2080 SYMBOL_TYPE (s
) = nodebug_func_symbol_type
;
2083 /* Relocate the extra function info pointed to by the symbol table. */
2086 ecoff_relocate_efi (sym
, delta
)
2090 struct mips_extra_func_info
*e
;
2092 e
= (struct mips_extra_func_info
*) SYMBOL_VALUE (sym
);
2094 e
->pdr
.adr
+= delta
;
2097 /* Parse the external symbol ES. Just call parse_symbol() after
2098 making sure we know where the aux are for it.
2099 BIGEND says whether aux entries are big-endian or little-endian.
2101 This routine clobbers top_stack->cur_block and ->cur_st. */
2103 static void parse_external
PARAMS ((EXTR
*, int, struct section_offsets
*));
2106 parse_external (es
, bigend
, section_offsets
)
2109 struct section_offsets
*section_offsets
;
2113 if (es
->ifd
!= ifdNil
)
2116 cur_fdr
= debug_info
->fdr
+ cur_fd
;
2117 ax
= debug_info
->external_aux
+ cur_fdr
->iauxBase
;
2121 cur_fdr
= debug_info
->fdr
;
2125 /* Reading .o files */
2126 if (SC_IS_UNDEF(es
->asym
.sc
) || es
->asym
.sc
== scNil
)
2129 switch (es
->asym
.st
)
2132 /* These are generated for static symbols in .o files,
2153 /* FIXME: Turn this into a complaint? */
2155 printf_filtered ("Warning: %s `%s' is undefined (in %s)\n",
2156 what
, debug_info
->ssext
+ es
->asym
.iss
,
2157 fdr_name (cur_fdr
));
2161 switch (es
->asym
.st
)
2165 /* There is no need to parse the external procedure symbols.
2166 If they are from objects compiled without -g, their index will
2167 be indexNil, and the symbol definition from the minimal symbol
2168 is preferrable (yielding a function returning int instead of int).
2169 If the index points to a local procedure symbol, the local
2170 symbol already provides the correct type.
2171 Note that the index of the external procedure symbol points
2172 to the local procedure symbol in the local symbol table, and
2173 _not_ to the auxiliary symbol info. */
2177 /* Global common symbols are resolved by the runtime loader,
2179 if (SC_IS_COMMON(es
->asym
.sc
))
2182 /* Note that the case of a symbol with indexNil must be handled
2183 anyways by parse_symbol(). */
2184 parse_symbol (&es
->asym
, ax
, (char *) NULL
, bigend
, section_offsets
);
2191 /* Parse the line number info for file descriptor FH into
2192 GDB's linetable LT. MIPS' encoding requires a little bit
2193 of magic to get things out. Note also that MIPS' line
2194 numbers can go back and forth, apparently we can live
2195 with that and do not need to reorder our linetables */
2197 static void parse_lines
PARAMS ((FDR
*, PDR
*, struct linetable
*, int,
2198 struct partial_symtab
*, CORE_ADDR
));
2201 parse_lines (fh
, pr
, lt
, maxlines
, pst
, lowest_pdr_addr
)
2204 struct linetable
*lt
;
2206 struct partial_symtab
*pst
;
2207 CORE_ADDR lowest_pdr_addr
;
2209 unsigned char *base
;
2211 int delta
, count
, lineno
= 0;
2213 if (fh
->cbLine
== 0)
2216 /* Scan by procedure descriptors */
2218 for (j
= 0; j
< fh
->cpd
; j
++, pr
++)
2222 unsigned char *halt
;
2224 /* No code for this one */
2225 if (pr
->iline
== ilineNil
||
2226 pr
->lnLow
== -1 || pr
->lnHigh
== -1)
2229 /* Determine start and end address of compressed line bytes for
2231 base
= debug_info
->line
+ fh
->cbLineOffset
;
2232 if (j
!= (fh
->cpd
- 1))
2233 halt
= base
+ pr
[1].cbLineOffset
;
2235 halt
= base
+ fh
->cbLine
;
2236 base
+= pr
->cbLineOffset
;
2238 adr
= pst
->textlow
+ pr
->adr
- lowest_pdr_addr
;
2240 l
= adr
>> 2; /* in words */
2241 for (lineno
= pr
->lnLow
; base
< halt
; )
2243 count
= *base
& 0x0f;
2244 delta
= *base
++ >> 4;
2249 delta
= (base
[0] << 8) | base
[1];
2250 if (delta
>= 0x8000)
2254 lineno
+= delta
; /* first delta is 0 */
2256 /* Complain if the line table overflows. Could happen
2257 with corrupt binaries. */
2258 if (lt
->nitems
>= maxlines
)
2260 complain (&bad_linetable_guess_complaint
, fdr_name (fh
));
2263 k
= add_line (lt
, lineno
, l
, k
);
2269 /* Master parsing procedure for first-pass reading of file symbols
2270 into a partial_symtab. */
2273 parse_partial_symbols (objfile
, section_offsets
)
2274 struct objfile
*objfile
;
2275 struct section_offsets
*section_offsets
;
2277 const bfd_size_type external_sym_size
= debug_swap
->external_sym_size
;
2278 const bfd_size_type external_rfd_size
= debug_swap
->external_rfd_size
;
2279 const bfd_size_type external_ext_size
= debug_swap
->external_ext_size
;
2280 void (* const swap_ext_in
) PARAMS ((bfd
*, PTR
, EXTR
*))
2281 = debug_swap
->swap_ext_in
;
2282 void (* const swap_sym_in
) PARAMS ((bfd
*, PTR
, SYMR
*))
2283 = debug_swap
->swap_sym_in
;
2284 void (* const swap_rfd_in
) PARAMS ((bfd
*, PTR
, RFDT
*))
2285 = debug_swap
->swap_rfd_in
;
2287 HDRR
*hdr
= &debug_info
->symbolic_header
;
2288 /* Running pointers */
2293 register EXTR
*ext_in
;
2296 struct partial_symtab
*pst
;
2297 int textlow_not_set
= 1;
2298 int past_first_source_file
= 0;
2300 /* List of current psymtab's include files */
2301 char **psymtab_include_list
;
2302 int includes_allocated
;
2305 struct pst_map
*fdr_to_pst
;
2306 /* Index within current psymtab dependency list */
2307 struct partial_symtab
**dependency_list
;
2308 int dependencies_used
, dependencies_allocated
;
2309 struct cleanup
*old_chain
;
2311 enum language prev_language
;
2312 asection
*text_sect
;
2313 int relocatable
= 0;
2315 /* Irix 5.2 shared libraries have a fh->adr field of zero, but
2316 the shared libraries are prelinked at a high memory address.
2317 We have to adjust the start address of the object file for this case,
2318 by setting it to the start address of the first procedure in the file.
2319 But we should do no adjustments if we are debugging a .o file, where
2320 the text section (and fh->adr) really starts at zero. */
2321 text_sect
= bfd_get_section_by_name (cur_bfd
, ".text");
2322 if (text_sect
!= NULL
2323 && (bfd_get_section_flags (cur_bfd
, text_sect
) & SEC_RELOC
))
2326 extern_tab
= (EXTR
*) obstack_alloc (&objfile
->psymbol_obstack
,
2327 sizeof (EXTR
) * hdr
->iextMax
);
2329 includes_allocated
= 30;
2331 psymtab_include_list
= (char **) alloca (includes_allocated
*
2333 next_symbol_text_func
= mdebug_next_symbol_text
;
2335 dependencies_allocated
= 30;
2336 dependencies_used
= 0;
2338 (struct partial_symtab
**) alloca (dependencies_allocated
*
2339 sizeof (struct partial_symtab
*));
2341 last_source_file
= NULL
;
2346 * Only parse the Local and External symbols, and the Relative FDR.
2347 * Fixup enough of the loader symtab to be able to use it.
2348 * Allocate space only for the file's portions we need to
2353 max_glevel
= MIN_GLEVEL
;
2355 /* Allocate the map FDR -> PST.
2356 Minor hack: -O3 images might claim some global data belongs
2357 to FDR -1. We`ll go along with that */
2358 fdr_to_pst
= (struct pst_map
*) xzalloc ((hdr
->ifdMax
+ 1) * sizeof *fdr_to_pst
);
2359 old_chain
= make_cleanup (free
, fdr_to_pst
);
2362 struct partial_symtab
*pst
= new_psymtab ("", objfile
, section_offsets
);
2363 fdr_to_pst
[-1].pst
= pst
;
2367 /* Allocate the global pending list. */
2369 ((struct mdebug_pending
**)
2370 obstack_alloc (&objfile
->psymbol_obstack
,
2371 hdr
->ifdMax
* sizeof (struct mdebug_pending
*)));
2372 memset ((PTR
) pending_list
, 0,
2373 hdr
->ifdMax
* sizeof (struct mdebug_pending
*));
2375 /* Pass 0 over external syms: swap them in. */
2376 ext_block
= (EXTR
*) xmalloc (hdr
->iextMax
* sizeof (EXTR
));
2377 make_cleanup (free
, ext_block
);
2379 ext_out
= (char *) debug_info
->external_ext
;
2380 ext_out_end
= ext_out
+ hdr
->iextMax
* external_ext_size
;
2382 for (; ext_out
< ext_out_end
; ext_out
+= external_ext_size
, ext_in
++)
2383 (*swap_ext_in
) (cur_bfd
, ext_out
, ext_in
);
2385 /* Pass 1 over external syms: Presize and partition the list */
2387 ext_in_end
= ext_in
+ hdr
->iextMax
;
2388 for (; ext_in
< ext_in_end
; ext_in
++)
2390 /* See calls to complain below. */
2391 if (ext_in
->ifd
>= -1
2392 && ext_in
->ifd
< hdr
->ifdMax
2393 && ext_in
->asym
.iss
>= 0
2394 && ext_in
->asym
.iss
< hdr
->issExtMax
)
2395 fdr_to_pst
[ext_in
->ifd
].n_globals
++;
2398 /* Pass 1.5 over files: partition out global symbol space */
2400 for (f_idx
= -1; f_idx
< hdr
->ifdMax
; f_idx
++)
2402 fdr_to_pst
[f_idx
].globals_offset
= s_idx
;
2403 s_idx
+= fdr_to_pst
[f_idx
].n_globals
;
2404 fdr_to_pst
[f_idx
].n_globals
= 0;
2409 For ECOFF in ELF, we skip the creation of the minimal symbols.
2410 The ECOFF symbols should be a subset of the Elf symbols, and the
2411 section information of the elf symbols will be more accurate.
2412 FIXME! What about Irix 5's native linker?
2414 By default, Elf sections which don't exist in ECOFF
2415 get put in ECOFF's absolute section by the gnu linker.
2416 Since absolute sections don't get relocated, we
2417 end up calculating an address different from that of
2418 the symbol's minimal symbol (created earlier from the
2421 To fix this, either :
2422 1) don't create the duplicate symbol
2423 (assumes ECOFF symtab is a subset of the ELF symtab;
2424 assumes no side-effects result from ignoring ECOFF symbol)
2425 2) create it, only if lookup for existing symbol in ELF's minimal
2428 assumes no side-effects result from ignoring ECOFF symbol)
2429 3) create it, but lookup ELF's minimal symbol and use it's section
2430 during relocation, then modify "uniqify" phase to merge and
2431 eliminate the duplicate symbol
2432 (highly inefficient)
2434 I've implemented #1 here...
2435 Skip the creation of the minimal symbols based on the ECOFF
2438 /* Pass 2 over external syms: fill in external symbols */
2440 ext_in_end
= ext_in
+ hdr
->iextMax
;
2441 for (; ext_in
< ext_in_end
; ext_in
++)
2443 enum minimal_symbol_type ms_type
= mst_text
;
2444 CORE_ADDR svalue
= ext_in
->asym
.value
;
2446 /* The Irix 5 native tools seem to sometimes generate bogus
2447 external symbols. */
2448 if (ext_in
->ifd
< -1 || ext_in
->ifd
>= hdr
->ifdMax
)
2450 complain (&bad_ext_ifd_complaint
, ext_in
->ifd
, hdr
->ifdMax
);
2453 if (ext_in
->asym
.iss
< 0 || ext_in
->asym
.iss
>= hdr
->issExtMax
)
2455 complain (&bad_ext_iss_complaint
, ext_in
->asym
.iss
,
2460 extern_tab
[fdr_to_pst
[ext_in
->ifd
].globals_offset
2461 + fdr_to_pst
[ext_in
->ifd
].n_globals
++] = *ext_in
;
2464 if (SC_IS_UNDEF(ext_in
->asym
.sc
) || ext_in
->asym
.sc
== scNil
)
2468 /* Pass 3 over files, over local syms: fill in static symbols */
2469 name
= debug_info
->ssext
+ ext_in
->asym
.iss
;
2471 /* Process ECOFF Symbol Types and Storage Classes */
2472 switch (ext_in
->asym
.st
)
2475 /* Beginnning of Procedure */
2476 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_TEXT
);
2479 /* Load time only static procs */
2480 ms_type
= mst_file_text
;
2481 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_TEXT
);
2484 /* External symbol */
2485 if (SC_IS_COMMON (ext_in
->asym
.sc
))
2487 /* The value of a common symbol is its size, not its address.
2491 else if (SC_IS_DATA (ext_in
->asym
.sc
))
2494 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_DATA
);
2496 else if (SC_IS_BSS (ext_in
->asym
.sc
))
2499 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_BSS
);
2506 if (SC_IS_TEXT (ext_in
->asym
.sc
))
2508 ms_type
= mst_file_text
;
2509 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_TEXT
);
2511 else if (SC_IS_DATA (ext_in
->asym
.sc
))
2513 ms_type
= mst_file_data
;
2514 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_DATA
);
2516 else if (SC_IS_BSS (ext_in
->asym
.sc
))
2518 ms_type
= mst_file_bss
;
2519 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_BSS
);
2526 /* The alpha has the section start addresses in stLocal symbols
2527 whose name starts with a `.'. Skip those but complain for all
2528 other stLocal symbols.
2529 Irix6 puts the section start addresses in stNil symbols, skip
2535 ms_type
= mst_unknown
;
2536 complain (&unknown_ext_complaint
, name
);
2538 if (!ECOFF_IN_ELF(cur_bfd
))
2539 prim_record_minimal_symbol (name
, svalue
, ms_type
, objfile
);
2542 /* Pass 3 over files, over local syms: fill in static symbols */
2543 for (f_idx
= 0; f_idx
< hdr
->ifdMax
; f_idx
++)
2545 struct partial_symtab
*save_pst
;
2549 cur_fdr
= fh
= debug_info
->fdr
+ f_idx
;
2553 fdr_to_pst
[f_idx
].pst
= NULL
;
2557 /* Determine the start address for this object file from the
2558 file header and relocate it, except for Irix 5.2 zero fh->adr. */
2562 if (relocatable
|| textlow
!= 0)
2563 textlow
+= ANOFFSET (section_offsets
, SECT_OFF_TEXT
);
2567 pst
= start_psymtab_common (objfile
, section_offsets
,
2570 objfile
->global_psymbols
.next
,
2571 objfile
->static_psymbols
.next
);
2572 pst
->read_symtab_private
= ((char *)
2573 obstack_alloc (&objfile
->psymbol_obstack
,
2574 sizeof (struct symloc
)));
2575 memset ((PTR
) pst
->read_symtab_private
, 0, sizeof (struct symloc
));
2578 FDR_IDX (pst
) = f_idx
;
2579 CUR_BFD (pst
) = cur_bfd
;
2580 DEBUG_SWAP (pst
) = debug_swap
;
2581 DEBUG_INFO (pst
) = debug_info
;
2582 PENDING_LIST (pst
) = pending_list
;
2584 /* The way to turn this into a symtab is to call... */
2585 pst
->read_symtab
= mdebug_psymtab_to_symtab
;
2587 /* Set up language for the pst.
2588 The language from the FDR is used if it is unambigious (e.g. cfront
2589 with native cc and g++ will set the language to C).
2590 Otherwise we have to deduce the language from the filename.
2591 Native ecoff has every header file in a separate FDR, so
2592 deduce_language_from_filename will return language_unknown for
2593 a header file, which is not what we want.
2594 But the FDRs for the header files are after the FDR for the source
2595 file, so we can assign the language of the source file to the
2596 following header files. Then we save the language in the private
2597 pst data so that we can reuse it when building symtabs. */
2598 prev_language
= psymtab_language
;
2602 case langCplusplusV2
:
2603 psymtab_language
= language_cplus
;
2606 psymtab_language
= deduce_language_from_filename (fdr_name (fh
));
2609 if (psymtab_language
== language_unknown
)
2610 psymtab_language
= prev_language
;
2611 PST_PRIVATE (pst
)->pst_language
= psymtab_language
;
2613 pst
->texthigh
= pst
->textlow
;
2615 /* For stabs-in-ecoff files, the second symbol must be @stab.
2616 This symbol is emitted by mips-tfile to signal that the
2617 current object file uses encapsulated stabs instead of mips
2618 ecoff for local symbols. (It is the second symbol because
2619 the first symbol is the stFile used to signal the start of a
2621 processing_gcc_compilation
= 0;
2624 (*swap_sym_in
) (cur_bfd
,
2625 ((char *) debug_info
->external_sym
2626 + (fh
->isymBase
+ 1) * external_sym_size
),
2628 if (STREQ (debug_info
->ss
+ fh
->issBase
+ sh
.iss
, stabs_symbol
))
2629 processing_gcc_compilation
= 2;
2632 if (processing_gcc_compilation
!= 0)
2634 for (cur_sdx
= 2; cur_sdx
< fh
->csym
; cur_sdx
++)
2639 (*swap_sym_in
) (cur_bfd
,
2640 (((char *) debug_info
->external_sym
)
2641 + (fh
->isymBase
+ cur_sdx
) * external_sym_size
),
2643 type_code
= ECOFF_UNMARK_STAB (sh
.index
);
2644 if (!ECOFF_IS_STAB (&sh
))
2646 if (sh
.st
== stProc
|| sh
.st
== stStaticProc
)
2651 sh
.value
+= ANOFFSET (section_offsets
, SECT_OFF_TEXT
);
2652 if (sh
.st
== stStaticProc
)
2654 namestring
= debug_info
->ss
+ fh
->issBase
+ sh
.iss
;
2655 prim_record_minimal_symbol_and_info (namestring
,
2663 procaddr
= sh
.value
;
2665 isym
= AUX_GET_ISYM (fh
->fBigendian
,
2666 (debug_info
->external_aux
2669 (*swap_sym_in
) (cur_bfd
,
2670 ((char *) debug_info
->external_sym
2671 + ((fh
->isymBase
+ isym
- 1)
2672 * external_sym_size
)),
2676 CORE_ADDR high
= procaddr
+ sh
.value
;
2678 /* Kludge for Irix 5.2 zero fh->adr. */
2680 && (pst
->textlow
== 0 || procaddr
< pst
->textlow
))
2681 pst
->textlow
= procaddr
;
2682 if (high
> pst
->texthigh
)
2683 pst
->texthigh
= high
;
2686 else if (sh
.st
== stStatic
)
2701 namestring
= debug_info
->ss
+ fh
->issBase
+ sh
.iss
;
2702 sh
.value
+= ANOFFSET (section_offsets
, SECT_OFF_DATA
);
2703 prim_record_minimal_symbol_and_info (namestring
,
2713 /* FIXME! Shouldn't this use cases for bss,
2714 then have the default be abs? */
2715 namestring
= debug_info
->ss
+ fh
->issBase
+ sh
.iss
;
2716 sh
.value
+= ANOFFSET (section_offsets
, SECT_OFF_BSS
);
2717 prim_record_minimal_symbol_and_info (namestring
,
2729 /* Handle stabs continuation */
2731 char *stabstring
= debug_info
->ss
+ fh
->issBase
+ sh
.iss
;
2732 int len
= strlen (stabstring
);
2733 while (stabstring
[len
-1] == '\\')
2736 char *stabstring1
= stabstring
;
2740 /* Ignore continuation char from 1st string */
2743 /* Read next stabstring */
2745 (*swap_sym_in
) (cur_bfd
,
2746 (((char *) debug_info
->external_sym
)
2747 + (fh
->isymBase
+ cur_sdx
)
2748 * external_sym_size
),
2750 stabstring2
= debug_info
->ss
+ fh
->issBase
+ sh2
.iss
;
2751 len2
= strlen (stabstring2
);
2753 /* Concatinate stabstring2 with stabstring1 */
2755 && stabstring
!= debug_info
->ss
+ fh
->issBase
+ sh
.iss
)
2756 stabstring
= xrealloc (stabstring
, len
+ len2
+ 1);
2758 stabstring
= xmalloc (len
+ len2
+ 1);
2759 strcpy (stabstring
, stabstring1
);
2760 strcpy (stabstring
+ len
, stabstring2
);
2764 #define SET_NAMESTRING() \
2765 namestring = stabstring
2766 #define CUR_SYMBOL_TYPE type_code
2767 #define CUR_SYMBOL_VALUE sh.value
2768 #define START_PSYMTAB(ofile,secoff,fname,low,symoff,global_syms,static_syms)\
2770 #define END_PSYMTAB(pst,ilist,ninc,c_off,c_text,dep_list,n_deps,textlow_not_set) (void)0
2771 #define HANDLE_RBRAC(val) \
2772 if ((val) > save_pst->texthigh) save_pst->texthigh = (val);
2773 #include "partial-stab.h"
2776 && stabstring
!= debug_info
->ss
+ fh
->issBase
+ sh
.iss
)
2779 /* end - Handle continuation */
2784 for (cur_sdx
= 0; cur_sdx
< fh
->csym
;)
2787 enum address_class
class;
2789 (*swap_sym_in
) (cur_bfd
,
2790 ((char *) debug_info
->external_sym
2791 + ((fh
->isymBase
+ cur_sdx
)
2792 * external_sym_size
)),
2795 if (ECOFF_IS_STAB (&sh
))
2801 /* Non absolute static symbols go into the minimal table. */
2802 if (SC_IS_UNDEF(sh
.sc
) || sh
.sc
== scNil
2803 || (sh
.index
== indexNil
2804 && (sh
.st
!= stStatic
|| sh
.sc
== scAbs
)))
2806 /* FIXME, premature? */
2811 name
= debug_info
->ss
+ fh
->issBase
+ sh
.iss
;
2817 /* The value of a stEnd symbol is the displacement from the
2818 corresponding start symbol value, do not relocate it. */
2820 sh
.value
+= ANOFFSET (section_offsets
, SECT_OFF_TEXT
);
2827 sh
.value
+= ANOFFSET (section_offsets
, SECT_OFF_DATA
);
2831 sh
.value
+= ANOFFSET (section_offsets
, SECT_OFF_BSS
);
2842 prim_record_minimal_symbol_and_info (name
, sh
.value
,
2843 mst_file_text
, NULL
,
2844 SECT_OFF_TEXT
, NULL
,
2850 /* Usually there is a local and a global stProc symbol
2851 for a function. This means that the function name
2852 has already been entered into the mimimal symbol table
2853 while processing the global symbols in pass 2 above.
2854 One notable exception is the PROGRAM name from
2855 f77 compiled executables, it is only put out as
2856 local stProc symbol, and a global MAIN__ stProc symbol
2857 points to it. It doesn't matter though, as gdb is
2858 still able to find the PROGRAM name via the partial
2859 symbol table, and the MAIN__ symbol via the minimal
2861 if (sh
.st
== stProc
)
2862 add_psymbol_to_list (name
, strlen (name
),
2863 VAR_NAMESPACE
, LOC_BLOCK
,
2864 &objfile
->global_psymbols
,
2865 0, sh
.value
, psymtab_language
, objfile
);
2867 add_psymbol_to_list (name
, strlen (name
),
2868 VAR_NAMESPACE
, LOC_BLOCK
,
2869 &objfile
->static_psymbols
,
2870 0, sh
.value
, psymtab_language
, objfile
);
2872 /* Skip over procedure to next one. */
2873 if (sh
.index
>= hdr
->iauxMax
)
2875 /* Should not happen, but does when cross-compiling
2876 with the MIPS compiler. FIXME -- pull later. */
2877 complain (&index_complaint
, name
);
2878 new_sdx
= cur_sdx
+ 1; /* Don't skip at all */
2881 new_sdx
= AUX_GET_ISYM (fh
->fBigendian
,
2882 (debug_info
->external_aux
2885 procaddr
= sh
.value
;
2887 if (new_sdx
<= cur_sdx
)
2889 /* This should not happen either... FIXME. */
2890 complain (&aux_index_complaint
, name
);
2891 new_sdx
= cur_sdx
+ 1; /* Don't skip backward */
2895 (*swap_sym_in
) (cur_bfd
,
2896 ((char *) debug_info
->external_sym
2897 + ((fh
->isymBase
+ cur_sdx
- 1)
2898 * external_sym_size
)),
2903 /* Kludge for Irix 5.2 zero fh->adr. */
2905 && (pst
->textlow
== 0 || procaddr
< pst
->textlow
))
2906 pst
->textlow
= procaddr
;
2908 high
= procaddr
+ sh
.value
;
2909 if (high
> pst
->texthigh
)
2910 pst
->texthigh
= high
;
2913 case stStatic
: /* Variable */
2914 if (SC_IS_DATA (sh
.sc
))
2915 prim_record_minimal_symbol_and_info (name
, sh
.value
,
2916 mst_file_data
, NULL
,
2921 prim_record_minimal_symbol_and_info (name
, sh
.value
,
2929 case stIndirect
:/* Irix5 forward declaration */
2930 /* Skip forward declarations from Irix5 cc */
2933 case stTypedef
:/* Typedef */
2934 /* Skip typedefs for forward declarations and opaque
2935 structs from alpha and mips cc. */
2936 if (sh
.iss
== 0 || has_opaque_xref (fh
, &sh
))
2938 class = LOC_TYPEDEF
;
2941 case stConstant
: /* Constant decl */
2948 case stBlock
: /* { }, str, un, enum*/
2949 /* Do not create a partial symbol for cc unnamed aggregates
2950 and gcc empty aggregates. */
2951 if ((sh
.sc
== scInfo
2952 || SC_IS_COMMON(sh
.sc
))
2954 && sh
.index
!= cur_sdx
+ 2)
2956 add_psymbol_to_list (name
, strlen (name
),
2957 STRUCT_NAMESPACE
, LOC_TYPEDEF
,
2958 &objfile
->static_psymbols
,
2960 psymtab_language
, objfile
);
2962 handle_psymbol_enumerators (objfile
, fh
, sh
.st
, sh
.value
);
2964 /* Skip over the block */
2966 if (new_sdx
<= cur_sdx
)
2968 /* This happens with the Ultrix kernel. */
2969 complain (&block_index_complaint
, name
);
2970 new_sdx
= cur_sdx
+ 1; /* Don't skip backward */
2975 case stFile
: /* File headers */
2976 case stLabel
: /* Labels */
2977 case stEnd
: /* Ends of files */
2980 case stLocal
: /* Local variables */
2981 /* Normally these are skipped because we skip over
2982 all blocks we see. However, these can occur
2983 as visible symbols in a .h file that contains code. */
2987 /* Both complaints are valid: one gives symbol name,
2988 the other the offending symbol type. */
2989 complain (&unknown_sym_complaint
, name
);
2990 complain (&unknown_st_complaint
, sh
.st
);
2994 /* Use this gdb symbol */
2995 add_psymbol_to_list (name
, strlen (name
),
2996 VAR_NAMESPACE
, class,
2997 &objfile
->static_psymbols
,
2998 0, sh
.value
, psymtab_language
, objfile
);
3000 cur_sdx
++; /* Go to next file symbol */
3003 /* Now do enter the external symbols. */
3004 ext_ptr
= &extern_tab
[fdr_to_pst
[f_idx
].globals_offset
];
3005 cur_sdx
= fdr_to_pst
[f_idx
].n_globals
;
3006 PST_PRIVATE (save_pst
)->extern_count
= cur_sdx
;
3007 PST_PRIVATE (save_pst
)->extern_tab
= ext_ptr
;
3008 for (; --cur_sdx
>= 0; ext_ptr
++)
3010 enum address_class
class;
3015 if (ext_ptr
->ifd
!= f_idx
)
3017 psh
= &ext_ptr
->asym
;
3019 /* Do not add undefined symbols to the partial symbol table. */
3020 if (SC_IS_UNDEF(psh
->sc
) || psh
->sc
== scNil
)
3023 svalue
= psh
->value
;
3028 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_TEXT
);
3035 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_DATA
);
3039 svalue
+= ANOFFSET (section_offsets
, SECT_OFF_BSS
);
3046 /* These are generated for static symbols in .o files,
3051 /* External procedure symbols have been entered
3052 into the minimal symbol table in pass 2 above.
3053 Ignore them, as parse_external will ignore them too. */
3059 complain (&unknown_ext_complaint
,
3060 debug_info
->ssext
+ psh
->iss
);
3061 /* Fall through, pretend it's global. */
3063 /* Global common symbols are resolved by the runtime loader,
3065 if (SC_IS_COMMON(psh
->sc
))
3071 name
= debug_info
->ssext
+ psh
->iss
;
3072 add_psymbol_to_list (name
, strlen (name
),
3073 VAR_NAMESPACE
, class,
3074 &objfile
->global_psymbols
,
3076 psymtab_language
, objfile
);
3080 /* Link pst to FDR. end_psymtab returns NULL if the psymtab was
3081 empty and put on the free list. */
3082 fdr_to_pst
[f_idx
].pst
= end_psymtab (save_pst
,
3083 psymtab_include_list
, includes_used
,
3084 -1, save_pst
->texthigh
,
3085 dependency_list
, dependencies_used
, textlow_not_set
);
3087 dependencies_used
= 0;
3089 if (objfile
->ei
.entry_point
>= save_pst
->textlow
&&
3090 objfile
->ei
.entry_point
< save_pst
->texthigh
)
3092 objfile
->ei
.entry_file_lowpc
= save_pst
->textlow
;
3093 objfile
->ei
.entry_file_highpc
= save_pst
->texthigh
;
3096 /* The objfile has its functions reordered if this partial symbol
3097 table overlaps any other partial symbol table.
3098 We cannot assume a reordered objfile if a partial symbol table
3099 is contained within another partial symbol table, as partial symbol
3100 tables for include files with executable code are contained
3101 within the partial symbol table for the including source file,
3102 and we do not want to flag the objfile reordered for these cases.
3104 This strategy works well for Irix-5.2 shared libraries, but we
3105 might have to use a more elaborate (and slower) algorithm for
3107 save_pst
= fdr_to_pst
[f_idx
].pst
;
3108 if (save_pst
!= NULL
3109 && save_pst
->textlow
!= 0
3110 && !(objfile
->flags
& OBJF_REORDERED
))
3112 ALL_OBJFILE_PSYMTABS (objfile
, pst
)
3115 && save_pst
->textlow
>= pst
->textlow
3116 && save_pst
->textlow
< pst
->texthigh
3117 && save_pst
->texthigh
> pst
->texthigh
)
3119 objfile
->flags
|= OBJF_REORDERED
;
3126 /* Now scan the FDRs for dependencies */
3127 for (f_idx
= 0; f_idx
< hdr
->ifdMax
; f_idx
++)
3129 fh
= f_idx
+ debug_info
->fdr
;
3130 pst
= fdr_to_pst
[f_idx
].pst
;
3132 if (pst
== (struct partial_symtab
*)NULL
)
3135 /* This should catch stabs-in-ecoff. */
3139 /* Skip the first file indirect entry as it is a self dependency
3140 for source files or a reverse .h -> .c dependency for header files. */
3141 pst
->number_of_dependencies
= 0;
3143 ((struct partial_symtab
**)
3144 obstack_alloc (&objfile
->psymbol_obstack
,
3146 * sizeof (struct partial_symtab
*))));
3147 for (s_idx
= 1; s_idx
< fh
->crfd
; s_idx
++)
3151 (*swap_rfd_in
) (cur_bfd
,
3152 ((char *) debug_info
->external_rfd
3153 + (fh
->rfdBase
+ s_idx
) * external_rfd_size
),
3155 if (rh
< 0 || rh
>= hdr
->ifdMax
)
3157 complain (&bad_file_number_complaint
, rh
);
3161 /* Skip self dependencies of header files. */
3165 /* Do not add to dependeny list if psymtab was empty. */
3166 if (fdr_to_pst
[rh
].pst
== (struct partial_symtab
*)NULL
)
3168 pst
->dependencies
[pst
->number_of_dependencies
++] = fdr_to_pst
[rh
].pst
;
3172 /* Remove the dummy psymtab created for -O3 images above, if it is
3173 still empty, to enable the detection of stripped executables. */
3174 if (objfile
->psymtabs
->next
== NULL
3175 && objfile
->psymtabs
->number_of_dependencies
== 0
3176 && objfile
->psymtabs
->n_global_syms
== 0
3177 && objfile
->psymtabs
->n_static_syms
== 0)
3178 objfile
->psymtabs
= NULL
;
3179 do_cleanups (old_chain
);
3182 /* If the current psymbol has an enumerated type, we need to add
3183 all the the enum constants to the partial symbol table. */
3186 handle_psymbol_enumerators (objfile
, fh
, stype
, svalue
)
3187 struct objfile
*objfile
;
3192 const bfd_size_type external_sym_size
= debug_swap
->external_sym_size
;
3193 void (* const swap_sym_in
) PARAMS ((bfd
*, PTR
, SYMR
*))
3194 = debug_swap
->swap_sym_in
;
3195 char *ext_sym
= ((char *) debug_info
->external_sym
3196 + ((fh
->isymBase
+ cur_sdx
+ 1) * external_sym_size
));
3206 /* It is an enumerated type if the next symbol entry is a stMember
3207 and its auxiliary index is indexNil or its auxiliary entry
3208 is a plain btNil or btVoid.
3209 Alpha cc -migrate enums are recognized by a zero index and
3210 a zero symbol value.
3211 DU 4.0 cc enums are recognized by a member type of btEnum without
3212 qualifiers and a zero symbol value. */
3213 (*swap_sym_in
) (cur_bfd
, ext_sym
, &sh
);
3214 if (sh
.st
!= stMember
)
3217 if (sh
.index
== indexNil
3218 || (sh
.index
== 0 && svalue
== 0))
3220 (*debug_swap
->swap_tir_in
) (fh
->fBigendian
,
3221 &(debug_info
->external_aux
3222 + fh
->iauxBase
+ sh
.index
)->a_ti
,
3224 if ((tir
.bt
!= btNil
3226 && (tir
.bt
!= btEnum
|| svalue
!= 0))
3227 || tir
.tq0
!= tqNil
)
3239 (*swap_sym_in
) (cur_bfd
, ext_sym
, &sh
);
3240 if (sh
.st
!= stMember
)
3242 name
= debug_info
->ss
+ cur_fdr
->issBase
+ sh
.iss
;
3244 /* Note that the value doesn't matter for enum constants
3245 in psymtabs, just in symtabs. */
3246 add_psymbol_to_list (name
, strlen (name
),
3247 VAR_NAMESPACE
, LOC_CONST
,
3248 &objfile
->static_psymbols
, 0,
3249 (CORE_ADDR
) 0, psymtab_language
, objfile
);
3250 ext_sym
+= external_sym_size
;
3255 mdebug_next_symbol_text (objfile
)
3256 struct objfile
*objfile
; /* argument objfile is currently unused */
3261 (*debug_swap
->swap_sym_in
) (cur_bfd
,
3262 ((char *) debug_info
->external_sym
3263 + ((cur_fdr
->isymBase
+ cur_sdx
)
3264 * debug_swap
->external_sym_size
)),
3266 return debug_info
->ss
+ cur_fdr
->issBase
+ sh
.iss
;
3269 /* Ancillary function to psymtab_to_symtab(). Does all the work
3270 for turning the partial symtab PST into a symtab, recurring
3271 first on all dependent psymtabs. The argument FILENAME is
3272 only passed so we can see in debug stack traces what file
3275 This function has a split personality, based on whether the
3276 symbol table contains ordinary ecoff symbols, or stabs-in-ecoff.
3277 The flow of control and even the memory allocation differs. FIXME. */
3280 psymtab_to_symtab_1 (pst
, filename
)
3281 struct partial_symtab
*pst
;
3284 bfd_size_type external_sym_size
;
3285 bfd_size_type external_pdr_size
;
3286 void (*swap_sym_in
) PARAMS ((bfd
*, PTR
, SYMR
*));
3287 void (*swap_pdr_in
) PARAMS ((bfd
*, PTR
, PDR
*));
3291 struct linetable
*lines
;
3292 CORE_ADDR lowest_pdr_addr
= 0;
3298 /* Read in all partial symbtabs on which this one is dependent.
3299 NOTE that we do have circular dependencies, sigh. We solved
3300 that by setting pst->readin before this point. */
3302 for (i
= 0; i
< pst
->number_of_dependencies
; i
++)
3303 if (!pst
->dependencies
[i
]->readin
)
3305 /* Inform about additional files to be read in. */
3308 fputs_filtered (" ", gdb_stdout
);
3310 fputs_filtered ("and ", gdb_stdout
);
3312 printf_filtered ("%s...",
3313 pst
->dependencies
[i
]->filename
);
3314 wrap_here (""); /* Flush output */
3315 gdb_flush (gdb_stdout
);
3317 /* We only pass the filename for debug purposes */
3318 psymtab_to_symtab_1 (pst
->dependencies
[i
],
3319 pst
->dependencies
[i
]->filename
);
3322 /* Do nothing if this is a dummy psymtab. */
3324 if (pst
->n_global_syms
== 0 && pst
->n_static_syms
== 0
3325 && pst
->textlow
== 0 && pst
->texthigh
== 0)
3328 /* Now read the symbols for this symtab */
3330 cur_bfd
= CUR_BFD (pst
);
3331 debug_swap
= DEBUG_SWAP (pst
);
3332 debug_info
= DEBUG_INFO (pst
);
3333 pending_list
= PENDING_LIST (pst
);
3334 external_sym_size
= debug_swap
->external_sym_size
;
3335 external_pdr_size
= debug_swap
->external_pdr_size
;
3336 swap_sym_in
= debug_swap
->swap_sym_in
;
3337 swap_pdr_in
= debug_swap
->swap_pdr_in
;
3338 current_objfile
= pst
->objfile
;
3339 cur_fd
= FDR_IDX (pst
);
3340 fh
= ((cur_fd
== -1)
3342 : debug_info
->fdr
+ cur_fd
);
3345 /* See comment in parse_partial_symbols about the @stabs sentinel. */
3346 processing_gcc_compilation
= 0;
3347 if (fh
!= (FDR
*) NULL
&& fh
->csym
>= 2)
3351 (*swap_sym_in
) (cur_bfd
,
3352 ((char *) debug_info
->external_sym
3353 + (fh
->isymBase
+ 1) * external_sym_size
),
3355 if (STREQ (debug_info
->ss
+ fh
->issBase
+ sh
.iss
,
3358 /* We indicate that this is a GCC compilation so that certain
3359 features will be enabled in stabsread/dbxread. */
3360 processing_gcc_compilation
= 2;
3364 if (processing_gcc_compilation
!= 0)
3367 /* This symbol table contains stabs-in-ecoff entries. */
3369 /* Parse local symbols first */
3371 if (fh
->csym
<= 2) /* FIXME, this blows psymtab->symtab ptr */
3373 current_objfile
= NULL
;
3376 for (cur_sdx
= 2; cur_sdx
< fh
->csym
; cur_sdx
++)
3382 (*swap_sym_in
) (cur_bfd
,
3383 (((char *) debug_info
->external_sym
)
3384 + (fh
->isymBase
+ cur_sdx
) * external_sym_size
),
3386 name
= debug_info
->ss
+ fh
->issBase
+ sh
.iss
;
3388 /* XXX This is a hack. It will go away! */
3389 if (ECOFF_IS_STAB (&sh
) || (name
[0] == '#'))
3391 int type_code
= ECOFF_UNMARK_STAB (sh
.index
);
3393 /* We should never get non N_STAB symbols here, but they
3394 should be harmless, so keep process_one_symbol from
3395 complaining about them. */
3396 if (type_code
& N_STAB
)
3398 process_one_symbol (type_code
, 0, valu
, name
,
3399 pst
->section_offsets
, pst
->objfile
);
3401 /* Similarly a hack. */
3402 else if (name
[0] == '#')
3404 process_one_symbol (N_SLINE
, 0, valu
, name
,
3405 pst
->section_offsets
, pst
->objfile
);
3407 if (type_code
== N_FUN
)
3409 /* Make up special symbol to contain
3410 procedure specific info */
3411 struct mips_extra_func_info
*e
=
3412 ((struct mips_extra_func_info
*)
3413 obstack_alloc (¤t_objfile
->symbol_obstack
,
3414 sizeof (struct mips_extra_func_info
)));
3415 struct symbol
*s
= new_symbol (MIPS_EFI_SYMBOL_NAME
);
3417 memset ((PTR
) e
, 0, sizeof (struct mips_extra_func_info
));
3418 SYMBOL_NAMESPACE (s
) = LABEL_NAMESPACE
;
3419 SYMBOL_CLASS (s
) = LOC_CONST
;
3420 SYMBOL_TYPE (s
) = mdebug_type_void
;
3421 SYMBOL_VALUE (s
) = (long) e
;
3422 e
->pdr
.framereg
= -1;
3423 add_symbol_to_list (s
, &local_symbols
);
3426 else if (sh
.st
== stLabel
)
3428 if (sh
.index
== indexNil
)
3430 /* This is what the gcc2_compiled and __gnu_compiled_*
3431 show up as. So don't complain. */
3436 /* Handle encoded stab line number. */
3437 valu
+= ANOFFSET (pst
->section_offsets
, SECT_OFF_TEXT
);
3438 record_line (current_subfile
, sh
.index
, valu
);
3441 else if (sh
.st
== stProc
|| sh
.st
== stStaticProc
3442 || sh
.st
== stStatic
|| sh
.st
== stEnd
)
3443 /* These are generated by gcc-2.x, do not complain */
3446 complain (&stab_unknown_complaint
, name
);
3448 st
= end_symtab (pst
->texthigh
, pst
->objfile
, SECT_OFF_TEXT
);
3451 /* Sort the symbol table now, we are done adding symbols to it.
3452 We must do this before parse_procedure calls lookup_symbol. */
3453 sort_symtab_syms (st
);
3455 /* There used to be a call to sort_blocks here, but this should not
3456 be necessary for stabs symtabs. And as sort_blocks modifies the
3457 start address of the GLOBAL_BLOCK to the FIRST_LOCAL_BLOCK,
3458 it did the wrong thing if the first procedure in a file was
3459 generated via asm statements. */
3461 /* Fill in procedure info next. */
3465 struct cleanup
*old_chain
;
3471 pr_block
= (PDR
*) xmalloc (fh
->cpd
* sizeof (PDR
));
3472 old_chain
= make_cleanup (free
, pr_block
);
3474 pdr_ptr
= ((char *) debug_info
->external_pdr
3475 + fh
->ipdFirst
* external_pdr_size
);
3476 pdr_end
= pdr_ptr
+ fh
->cpd
* external_pdr_size
;
3480 pdr_ptr
+= external_pdr_size
, pdr_in
++)
3482 (*swap_pdr_in
) (cur_bfd
, pdr_ptr
, pdr_in
);
3484 /* Determine lowest PDR address, the PDRs are not always
3486 if (pdr_in
== pr_block
)
3487 lowest_pdr_addr
= pdr_in
->adr
;
3488 else if (pdr_in
->adr
< lowest_pdr_addr
)
3489 lowest_pdr_addr
= pdr_in
->adr
;
3493 pdr_in_end
= pdr_in
+ fh
->cpd
;
3494 for (; pdr_in
< pdr_in_end
; pdr_in
++)
3495 parse_procedure (pdr_in
, st
, pst
);
3497 do_cleanups (old_chain
);
3502 /* This symbol table contains ordinary ecoff entries. */
3508 /* How many symbols will we need */
3509 /* FIXME, this does not count enum values. */
3510 f_max
= pst
->n_global_syms
+ pst
->n_static_syms
;
3514 st
= new_symtab ("unknown", f_max
, 0, pst
->objfile
);
3518 f_max
+= fh
->csym
+ fh
->cpd
;
3519 maxlines
= 2 * fh
->cline
;
3520 st
= new_symtab (pst
->filename
, 2 * f_max
, maxlines
, pst
->objfile
);
3522 /* The proper language was already determined when building
3523 the psymtab, use it. */
3524 st
->language
= PST_PRIVATE (pst
)->pst_language
;
3527 psymtab_language
= st
->language
;
3529 lines
= LINETABLE (st
);
3531 /* Get a new lexical context */
3533 push_parse_stack ();
3534 top_stack
->cur_st
= st
;
3535 top_stack
->cur_block
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (st
),
3537 BLOCK_START (top_stack
->cur_block
) = pst
->textlow
;
3538 BLOCK_END (top_stack
->cur_block
) = 0;
3539 top_stack
->blocktype
= stFile
;
3540 top_stack
->maxsyms
= 2 * f_max
;
3541 top_stack
->cur_type
= 0;
3542 top_stack
->procadr
= 0;
3543 top_stack
->numargs
= 0;
3544 found_ecoff_debugging_info
= 0;
3551 /* Parse local symbols first */
3552 sym_ptr
= ((char *) debug_info
->external_sym
3553 + fh
->isymBase
* external_sym_size
);
3554 sym_end
= sym_ptr
+ fh
->csym
* external_sym_size
;
3555 while (sym_ptr
< sym_end
)
3560 (*swap_sym_in
) (cur_bfd
, sym_ptr
, &sh
);
3561 c
= parse_symbol (&sh
,
3562 debug_info
->external_aux
+ fh
->iauxBase
,
3563 sym_ptr
, fh
->fBigendian
, pst
->section_offsets
);
3564 sym_ptr
+= c
* external_sym_size
;
3567 /* Linenumbers. At the end, check if we can save memory.
3568 parse_lines has to look ahead an arbitrary number of PDR
3569 structures, so we swap them all first. */
3573 struct cleanup
*old_chain
;
3579 pr_block
= (PDR
*) xmalloc (fh
->cpd
* sizeof (PDR
));
3581 old_chain
= make_cleanup (free
, pr_block
);
3583 pdr_ptr
= ((char *) debug_info
->external_pdr
3584 + fh
->ipdFirst
* external_pdr_size
);
3585 pdr_end
= pdr_ptr
+ fh
->cpd
* external_pdr_size
;
3589 pdr_ptr
+= external_pdr_size
, pdr_in
++)
3591 (*swap_pdr_in
) (cur_bfd
, pdr_ptr
, pdr_in
);
3593 /* Determine lowest PDR address, the PDRs are not always
3595 if (pdr_in
== pr_block
)
3596 lowest_pdr_addr
= pdr_in
->adr
;
3597 else if (pdr_in
->adr
< lowest_pdr_addr
)
3598 lowest_pdr_addr
= pdr_in
->adr
;
3601 parse_lines (fh
, pr_block
, lines
, maxlines
, pst
, lowest_pdr_addr
);
3602 if (lines
->nitems
< fh
->cline
)
3603 lines
= shrink_linetable (lines
);
3605 /* Fill in procedure info next. */
3607 pdr_in_end
= pdr_in
+ fh
->cpd
;
3608 for (; pdr_in
< pdr_in_end
; pdr_in
++)
3609 parse_procedure (pdr_in
, 0, pst
);
3611 do_cleanups (old_chain
);
3615 LINETABLE (st
) = lines
;
3617 /* .. and our share of externals.
3618 XXX use the global list to speed up things here. how?
3619 FIXME, Maybe quit once we have found the right number of ext's? */
3620 top_stack
->cur_st
= st
;
3621 top_stack
->cur_block
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (top_stack
->cur_st
),
3623 top_stack
->blocktype
= stFile
;
3625 = (debug_info
->symbolic_header
.isymMax
3626 + debug_info
->symbolic_header
.ipdMax
3627 + debug_info
->symbolic_header
.iextMax
);
3629 ext_ptr
= PST_PRIVATE (pst
)->extern_tab
;
3630 for (i
= PST_PRIVATE (pst
)->extern_count
; --i
>= 0; ext_ptr
++)
3631 parse_external (ext_ptr
, fh
->fBigendian
, pst
->section_offsets
);
3633 /* If there are undefined symbols, tell the user.
3634 The alpha has an undefined symbol for every symbol that is
3635 from a shared library, so tell the user only if verbose is on. */
3636 if (info_verbose
&& n_undef_symbols
)
3638 printf_filtered ("File %s contains %d unresolved references:",
3639 st
->filename
, n_undef_symbols
);
3640 printf_filtered ("\n\t%4d variables\n\t%4d procedures\n\t%4d labels\n",
3641 n_undef_vars
, n_undef_procs
, n_undef_labels
);
3642 n_undef_symbols
= n_undef_labels
= n_undef_vars
= n_undef_procs
= 0;
3649 /* Sort the symbol table now, we are done adding symbols to it.*/
3650 sort_symtab_syms (st
);
3655 /* Now link the psymtab and the symtab. */
3658 current_objfile
= NULL
;
3661 /* Ancillary parsing procedures. */
3663 /* Return 1 if the symbol pointed to by SH has a cross reference
3664 to an opaque aggregate type, else 0. */
3667 has_opaque_xref (fh
, sh
)
3676 if (sh
->index
== indexNil
)
3679 ax
= debug_info
->external_aux
+ fh
->iauxBase
+ sh
->index
;
3680 (*debug_swap
->swap_tir_in
) (fh
->fBigendian
, &ax
->a_ti
, &tir
);
3681 if (tir
.bt
!= btStruct
&& tir
.bt
!= btUnion
&& tir
.bt
!= btEnum
)
3685 (*debug_swap
->swap_rndx_in
) (fh
->fBigendian
, &ax
->a_rndx
, rn
);
3686 if (rn
->rfd
== 0xfff)
3687 rf
= AUX_GET_ISYM (fh
->fBigendian
, ax
+ 1);
3695 /* Lookup the type at relative index RN. Return it in TPP
3696 if found and in any event come up with its name PNAME.
3697 BIGEND says whether aux symbols are big-endian or not (from fh->fBigendian).
3698 Return value says how many aux symbols we ate. */
3701 cross_ref (fd
, ax
, tpp
, type_code
, pname
, bigend
, sym_name
)
3705 enum type_code type_code
; /* Use to alloc new type if none is found. */
3717 struct mdebug_pending
*pend
;
3719 *tpp
= (struct type
*)NULL
;
3721 (*debug_swap
->swap_rndx_in
) (bigend
, &ax
->a_rndx
, rn
);
3723 /* Escape index means 'the next one' */
3724 if (rn
->rfd
== 0xfff)
3727 rf
= AUX_GET_ISYM (bigend
, ax
+ 1);
3734 /* mips cc uses a rf of -1 for opaque struct definitions.
3735 Set TYPE_FLAG_STUB for these types so that check_typedef will
3736 resolve them if the struct gets defined in another compilation unit. */
3739 *pname
= "<undefined>";
3740 *tpp
= init_type (type_code
, 0, 0, (char *) NULL
, current_objfile
);
3741 TYPE_FLAGS (*tpp
) |= TYPE_FLAG_STUB
;
3745 /* mips cc uses an escaped rn->index of 0 for struct return types
3746 of procedures that were compiled without -g. These will always remain
3748 if (rn
->rfd
== 0xfff && rn
->index
== 0)
3750 *pname
= "<undefined>";
3754 /* Find the relative file descriptor and the symbol in it. */
3755 fh
= get_rfd (fd
, rf
);
3756 xref_fd
= fh
- debug_info
->fdr
;
3758 if (rn
->index
>= fh
->csym
)
3760 /* File indirect entry is corrupt. */
3761 *pname
= "<illegal>";
3762 complain (&bad_rfd_entry_complaint
,
3763 sym_name
, xref_fd
, rn
->index
);
3767 /* If we have processed this symbol then we left a forwarding
3768 pointer to the type in the pending list. If not, we`ll put
3769 it in a list of pending types, to be processed later when
3770 the file will be. In any event, we collect the name for the
3773 esh
= ((char *) debug_info
->external_sym
3774 + ((fh
->isymBase
+ rn
->index
)
3775 * debug_swap
->external_sym_size
));
3776 (*debug_swap
->swap_sym_in
) (cur_bfd
, esh
, &sh
);
3778 /* Make sure that this type of cross reference can be handled. */
3779 if ((sh
.sc
!= scInfo
3780 || (sh
.st
!= stBlock
&& sh
.st
!= stTypedef
&& sh
.st
!= stIndirect
3781 && sh
.st
!= stStruct
&& sh
.st
!= stUnion
3782 && sh
.st
!= stEnum
))
3783 && (sh
.st
!= stBlock
|| !SC_IS_COMMON(sh
.sc
)))
3785 /* File indirect entry is corrupt. */
3786 *pname
= "<illegal>";
3787 complain (&bad_rfd_entry_complaint
,
3788 sym_name
, xref_fd
, rn
->index
);
3792 *pname
= debug_info
->ss
+ fh
->issBase
+ sh
.iss
;
3794 pend
= is_pending_symbol (fh
, esh
);
3799 /* We have not yet seen this type. */
3801 if ((sh
.iss
== 0 && sh
.st
== stTypedef
) || sh
.st
== stIndirect
)
3805 /* alpha cc puts out a stTypedef with a sh.iss of zero for
3807 a) forward declarations of structs/unions/enums which are not
3808 defined in this compilation unit.
3809 For these the type will be void. This is a bad design decision
3810 as cross referencing across compilation units is impossible
3811 due to the missing name.
3812 b) forward declarations of structs/unions/enums/typedefs which
3813 are defined later in this file or in another file in the same
3814 compilation unit. Irix5 cc uses a stIndirect symbol for this.
3815 Simply cross reference those again to get the true type.
3816 The forward references are not entered in the pending list and
3817 in the symbol table. */
3819 (*debug_swap
->swap_tir_in
) (bigend
,
3820 &(debug_info
->external_aux
3821 + fh
->iauxBase
+ sh
.index
)->a_ti
,
3823 if (tir
.tq0
!= tqNil
)
3824 complain (&illegal_forward_tq0_complaint
, sym_name
);
3828 *tpp
= init_type (type_code
, 0, 0, (char *) NULL
,
3830 *pname
= "<undefined>";
3837 (debug_info
->external_aux
3838 + fh
->iauxBase
+ sh
.index
+ 1),
3839 tpp
, type_code
, pname
,
3840 fh
->fBigendian
, sym_name
);
3844 /* Follow a forward typedef. This might recursively
3845 call cross_ref till we get a non typedef'ed type.
3846 FIXME: This is not correct behaviour, but gdb currently
3847 cannot handle typedefs without type copying. Type
3848 copying is impossible as we might have mutual forward
3849 references between two files and the copied type would not
3850 get filled in when we later parse its definition. */
3851 *tpp
= parse_type (xref_fd
,
3852 debug_info
->external_aux
+ fh
->iauxBase
,
3856 debug_info
->ss
+ fh
->issBase
+ sh
.iss
);
3857 add_pending (fh
, esh
, *tpp
);
3861 complain (&illegal_forward_bt_complaint
, tir
.bt
, sym_name
);
3862 *tpp
= init_type (type_code
, 0, 0, (char *) NULL
,
3868 else if (sh
.st
== stTypedef
)
3870 /* Parse the type for a normal typedef. This might recursively call
3871 cross_ref till we get a non typedef'ed type.
3872 FIXME: This is not correct behaviour, but gdb currently
3873 cannot handle typedefs without type copying. But type copying is
3874 impossible as we might have mutual forward references between
3875 two files and the copied type would not get filled in when
3876 we later parse its definition. */
3877 *tpp
= parse_type (xref_fd
,
3878 debug_info
->external_aux
+ fh
->iauxBase
,
3882 debug_info
->ss
+ fh
->issBase
+ sh
.iss
);
3886 /* Cross reference to a struct/union/enum which is defined
3887 in another file in the same compilation unit but that file
3888 has not been parsed yet.
3889 Initialize the type only, it will be filled in when
3890 it's definition is parsed. */
3891 *tpp
= init_type (type_code
, 0, 0, (char *) NULL
, current_objfile
);
3893 add_pending (fh
, esh
, *tpp
);
3896 /* We used one auxent normally, two if we got a "next one" rf. */
3901 /* Quick&dirty lookup procedure, to avoid the MI ones that require
3902 keeping the symtab sorted */
3904 static struct symbol
*
3905 mylookup_symbol (name
, block
, namespace, class)
3907 register struct block
*block
;
3908 namespace_enum
namespace;
3909 enum address_class
class;
3911 register int bot
, top
, inc
;
3912 register struct symbol
*sym
;
3915 top
= BLOCK_NSYMS (block
);
3919 sym
= BLOCK_SYM (block
, bot
);
3920 if (SYMBOL_NAME (sym
)[0] == inc
3921 && SYMBOL_NAMESPACE (sym
) == namespace
3922 && SYMBOL_CLASS (sym
) == class
3923 && strcmp (SYMBOL_NAME (sym
), name
) == 0)
3927 block
= BLOCK_SUPERBLOCK (block
);
3929 return mylookup_symbol (name
, block
, namespace, class);
3934 /* Add a new symbol S to a block B.
3935 Infrequently, we will need to reallocate the block to make it bigger.
3936 We only detect this case when adding to top_stack->cur_block, since
3937 that's the only time we know how big the block is. FIXME. */
3944 int nsyms
= BLOCK_NSYMS (b
)++;
3945 struct block
*origb
;
3946 struct parse_stack
*stackp
;
3948 if (b
== top_stack
->cur_block
&&
3949 nsyms
>= top_stack
->maxsyms
)
3951 complain (&block_overflow_complaint
, SYMBOL_NAME (s
));
3952 /* In this case shrink_block is actually grow_block, since
3953 BLOCK_NSYMS(b) is larger than its current size. */
3955 b
= shrink_block (top_stack
->cur_block
, top_stack
->cur_st
);
3957 /* Now run through the stack replacing pointers to the
3958 original block. shrink_block has already done this
3959 for the blockvector and BLOCK_FUNCTION. */
3960 for (stackp
= top_stack
; stackp
; stackp
= stackp
->next
)
3962 if (stackp
->cur_block
== origb
)
3964 stackp
->cur_block
= b
;
3965 stackp
->maxsyms
= BLOCK_NSYMS (b
);
3969 BLOCK_SYM (b
, nsyms
) = s
;
3972 /* Add a new block B to a symtab S */
3979 struct blockvector
*bv
= BLOCKVECTOR (s
);
3981 bv
= (struct blockvector
*) xrealloc ((PTR
) bv
,
3982 (sizeof (struct blockvector
)
3983 + BLOCKVECTOR_NBLOCKS (bv
)
3984 * sizeof (bv
->block
)));
3985 if (bv
!= BLOCKVECTOR (s
))
3986 BLOCKVECTOR (s
) = bv
;
3988 BLOCKVECTOR_BLOCK (bv
, BLOCKVECTOR_NBLOCKS (bv
)++) = b
;
3991 /* Add a new linenumber entry (LINENO,ADR) to a linevector LT.
3992 MIPS' linenumber encoding might need more than one byte
3993 to describe it, LAST is used to detect these continuation lines.
3995 Combining lines with the same line number seems like a bad idea.
3996 E.g: There could be a line number entry with the same line number after the
3997 prologue and GDB should not ignore it (this is a better way to find
3998 a prologue than mips_skip_prologue).
3999 But due to the compressed line table format there are line number entries
4000 for the same line which are needed to bridge the gap to the next
4001 line number entry. These entries have a bogus address info with them
4002 and we are unable to tell them from intended duplicate line number
4004 This is another reason why -ggdb debugging format is preferable. */
4007 add_line (lt
, lineno
, adr
, last
)
4008 struct linetable
*lt
;
4013 /* DEC c89 sometimes produces zero linenos which confuse gdb.
4014 Change them to something sensible. */
4018 last
= -2; /* make sure we record first line */
4020 if (last
== lineno
) /* skip continuation lines */
4023 lt
->item
[lt
->nitems
].line
= lineno
;
4024 lt
->item
[lt
->nitems
++].pc
= adr
<< 2;
4028 /* Sorting and reordering procedures */
4030 /* Blocks with a smaller low bound should come first */
4033 compare_blocks (arg1
, arg2
)
4037 register int addr_diff
;
4038 struct block
**b1
= (struct block
**) arg1
;
4039 struct block
**b2
= (struct block
**) arg2
;
4041 addr_diff
= (BLOCK_START ((*b1
))) - (BLOCK_START ((*b2
)));
4043 return (BLOCK_END ((*b2
))) - (BLOCK_END ((*b1
)));
4047 /* Sort the blocks of a symtab S.
4048 Reorder the blocks in the blockvector by code-address,
4049 as required by some MI search routines */
4055 struct blockvector
*bv
= BLOCKVECTOR (s
);
4057 if (BLOCKVECTOR_NBLOCKS (bv
) <= 2)
4060 if (BLOCK_END (BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
)) == 0)
4061 BLOCK_START (BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
)) = 0;
4062 if (BLOCK_END (BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
)) == 0)
4063 BLOCK_START (BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
)) = 0;
4067 * This is very unfortunate: normally all functions are compiled in
4068 * the order they are found, but if the file is compiled -O3 things
4069 * are very different. It would be nice to find a reliable test
4070 * to detect -O3 images in advance.
4072 if (BLOCKVECTOR_NBLOCKS (bv
) > 3)
4073 qsort (&BLOCKVECTOR_BLOCK (bv
, FIRST_LOCAL_BLOCK
),
4074 BLOCKVECTOR_NBLOCKS (bv
) - FIRST_LOCAL_BLOCK
,
4075 sizeof (struct block
*),
4079 register CORE_ADDR high
= 0;
4080 register int i
, j
= BLOCKVECTOR_NBLOCKS (bv
);
4082 for (i
= FIRST_LOCAL_BLOCK
; i
< j
; i
++)
4083 if (high
< BLOCK_END (BLOCKVECTOR_BLOCK (bv
, i
)))
4084 high
= BLOCK_END (BLOCKVECTOR_BLOCK (bv
, i
));
4085 BLOCK_END (BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
)) = high
;
4088 BLOCK_START (BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
)) =
4089 BLOCK_START (BLOCKVECTOR_BLOCK (bv
, FIRST_LOCAL_BLOCK
));
4091 BLOCK_START (BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
)) =
4092 BLOCK_START (BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
));
4093 BLOCK_END (BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
)) =
4094 BLOCK_END (BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
));
4098 /* Constructor/restructor/destructor procedures */
4100 /* Allocate a new symtab for NAME. Needs an estimate of how many symbols
4101 MAXSYMS and linenumbers MAXLINES we'll put in it */
4103 static struct symtab
*
4104 new_symtab (name
, maxsyms
, maxlines
, objfile
)
4108 struct objfile
*objfile
;
4110 struct symtab
*s
= allocate_symtab (name
, objfile
);
4112 LINETABLE (s
) = new_linetable (maxlines
);
4114 /* All symtabs must have at least two blocks */
4115 BLOCKVECTOR (s
) = new_bvect (2);
4116 BLOCKVECTOR_BLOCK (BLOCKVECTOR (s
), GLOBAL_BLOCK
) = new_block (maxsyms
);
4117 BLOCKVECTOR_BLOCK (BLOCKVECTOR (s
), STATIC_BLOCK
) = new_block (maxsyms
);
4118 BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (BLOCKVECTOR (s
), STATIC_BLOCK
)) =
4119 BLOCKVECTOR_BLOCK (BLOCKVECTOR (s
), GLOBAL_BLOCK
);
4121 s
->free_code
= free_linetable
;
4122 s
->debugformat
= obsavestring ("ECOFF", 5,
4123 &objfile
-> symbol_obstack
);
4127 /* Allocate a new partial_symtab NAME */
4129 static struct partial_symtab
*
4130 new_psymtab (name
, objfile
, section_offsets
)
4132 struct objfile
*objfile
;
4133 struct section_offsets
*section_offsets
;
4135 struct partial_symtab
*psymtab
;
4137 psymtab
= allocate_psymtab (name
, objfile
);
4138 psymtab
->section_offsets
= section_offsets
;
4140 /* Keep a backpointer to the file's symbols */
4142 psymtab
->read_symtab_private
= ((char *)
4143 obstack_alloc (&objfile
->psymbol_obstack
,
4144 sizeof (struct symloc
)));
4145 memset ((PTR
) psymtab
->read_symtab_private
, 0, sizeof (struct symloc
));
4146 CUR_BFD (psymtab
) = cur_bfd
;
4147 DEBUG_SWAP (psymtab
) = debug_swap
;
4148 DEBUG_INFO (psymtab
) = debug_info
;
4149 PENDING_LIST (psymtab
) = pending_list
;
4151 /* The way to turn this into a symtab is to call... */
4152 psymtab
->read_symtab
= mdebug_psymtab_to_symtab
;
4157 /* Allocate a linetable array of the given SIZE. Since the struct
4158 already includes one item, we subtract one when calculating the
4159 proper size to allocate. */
4161 static struct linetable
*
4162 new_linetable (size
)
4165 struct linetable
*l
;
4167 size
= (size
- 1) * sizeof (l
->item
) + sizeof (struct linetable
);
4168 l
= (struct linetable
*) xmalloc (size
);
4173 /* Oops, too big. Shrink it. This was important with the 2.4 linetables,
4174 I am not so sure about the 3.4 ones.
4176 Since the struct linetable already includes one item, we subtract one when
4177 calculating the proper size to allocate. */
4179 static struct linetable
*
4180 shrink_linetable (lt
)
4181 struct linetable
*lt
;
4184 return (struct linetable
*) xrealloc ((PTR
) lt
,
4185 (sizeof (struct linetable
)
4187 * sizeof (lt
->item
))));
4190 /* Allocate and zero a new blockvector of NBLOCKS blocks. */
4192 static struct blockvector
*
4196 struct blockvector
*bv
;
4199 size
= sizeof (struct blockvector
) + nblocks
* sizeof (struct block
*);
4200 bv
= (struct blockvector
*) xzalloc (size
);
4202 BLOCKVECTOR_NBLOCKS (bv
) = nblocks
;
4207 /* Allocate and zero a new block of MAXSYMS symbols */
4209 static struct block
*
4213 int size
= sizeof (struct block
) + (maxsyms
- 1) * sizeof (struct symbol
*);
4215 return (struct block
*) xzalloc (size
);
4218 /* Ooops, too big. Shrink block B in symtab S to its minimal size.
4219 Shrink_block can also be used by add_symbol to grow a block. */
4221 static struct block
*
4227 struct blockvector
*bv
= BLOCKVECTOR (s
);
4230 /* Just reallocate it and fix references to the old one */
4232 new = (struct block
*) xrealloc ((PTR
) b
,
4233 (sizeof (struct block
)
4234 + ((BLOCK_NSYMS (b
) - 1)
4235 * sizeof (struct symbol
*))));
4237 /* Should chase pointers to old one. Fortunately, that`s just
4238 the block`s function and inferior blocks */
4239 if (BLOCK_FUNCTION (new) && SYMBOL_BLOCK_VALUE (BLOCK_FUNCTION (new)) == b
)
4240 SYMBOL_BLOCK_VALUE (BLOCK_FUNCTION (new)) = new;
4241 for (i
= 0; i
< BLOCKVECTOR_NBLOCKS (bv
); i
++)
4242 if (BLOCKVECTOR_BLOCK (bv
, i
) == b
)
4243 BLOCKVECTOR_BLOCK (bv
, i
) = new;
4244 else if (BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (bv
, i
)) == b
)
4245 BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (bv
, i
)) = new;
4249 /* Create a new symbol with printname NAME */
4251 static struct symbol
*
4255 struct symbol
*s
= ((struct symbol
*)
4256 obstack_alloc (¤t_objfile
->symbol_obstack
,
4257 sizeof (struct symbol
)));
4259 memset ((PTR
) s
, 0, sizeof (*s
));
4260 SYMBOL_NAME (s
) = obsavestring (name
, strlen (name
),
4261 ¤t_objfile
->symbol_obstack
);
4262 SYMBOL_LANGUAGE (s
) = psymtab_language
;
4263 SYMBOL_INIT_DEMANGLED_NAME (s
, ¤t_objfile
->symbol_obstack
);
4267 /* Create a new type with printname NAME */
4269 static struct type
*
4275 t
= alloc_type (current_objfile
);
4276 TYPE_NAME (t
) = name
;
4277 TYPE_CPLUS_SPECIFIC (t
) = (struct cplus_struct_type
*) &cplus_struct_default
;
4281 /* Read ECOFF debugging information from a BFD section. This is
4282 called from elfread.c. It parses the section into a
4283 ecoff_debug_info struct, and then lets the rest of the file handle
4287 elfmdebug_build_psymtabs (objfile
, swap
, sec
, section_offsets
)
4288 struct objfile
*objfile
;
4289 const struct ecoff_debug_swap
*swap
;
4291 struct section_offsets
*section_offsets
;
4293 bfd
*abfd
= objfile
->obfd
;
4294 struct ecoff_debug_info
*info
;
4296 info
= ((struct ecoff_debug_info
*)
4297 obstack_alloc (&objfile
->psymbol_obstack
,
4298 sizeof (struct ecoff_debug_info
)));
4300 if (!(*swap
->read_debug_info
) (abfd
, sec
, info
))
4301 error ("Error reading ECOFF debugging information: %s",
4302 bfd_errmsg (bfd_get_error ()));
4304 mdebug_build_psymtabs (objfile
, swap
, info
, section_offsets
);
4308 /* Things used for calling functions in the inferior.
4309 These functions are exported to our companion
4310 mips-tdep.c file and are here because they play
4311 with the symbol-table explicitly. */
4313 /* Sigtramp: make sure we have all the necessary information
4314 about the signal trampoline code. Since the official code
4315 from MIPS does not do so, we make up that information ourselves.
4316 If they fix the library (unlikely) this code will neutralize itself. */
4318 /* FIXME: This function is called only by mips-tdep.c. It needs to be
4319 here because it calls functions defined in this file, but perhaps
4320 this could be handled in a better way. Only compile it in when
4321 tm-mips.h is included. */
4330 struct block
*b
, *b0
= NULL
;
4332 sigtramp_address
= -1;
4334 /* We have to handle the following cases here:
4335 a) The Mips library has a sigtramp label within sigvec.
4336 b) Irix has a _sigtramp which we want to use, but it also has sigvec. */
4337 s
= lookup_symbol ("sigvec", 0, VAR_NAMESPACE
, 0, NULL
);
4340 b0
= SYMBOL_BLOCK_VALUE (s
);
4341 s
= lookup_symbol ("sigtramp", b0
, VAR_NAMESPACE
, 0, NULL
);
4345 /* No sigvec or no sigtramp inside sigvec, try _sigtramp. */
4346 s
= lookup_symbol ("_sigtramp", 0, VAR_NAMESPACE
, 0, NULL
);
4349 /* But maybe this program uses its own version of sigvec */
4353 /* Did we or MIPSco fix the library ? */
4354 if (SYMBOL_CLASS (s
) == LOC_BLOCK
)
4356 sigtramp_address
= BLOCK_START (SYMBOL_BLOCK_VALUE (s
));
4357 sigtramp_end
= BLOCK_END (SYMBOL_BLOCK_VALUE (s
));
4361 sigtramp_address
= SYMBOL_VALUE (s
);
4362 sigtramp_end
= sigtramp_address
+ 0x88; /* black magic */
4364 /* But what symtab does it live in ? */
4365 st
= find_pc_symtab (SYMBOL_VALUE (s
));
4368 * Ok, there goes the fix: turn it into a procedure, with all the
4369 * needed info. Note we make it a nested procedure of sigvec,
4370 * which is the way the (assembly) code is actually written.
4372 SYMBOL_NAMESPACE (s
) = VAR_NAMESPACE
;
4373 SYMBOL_CLASS (s
) = LOC_BLOCK
;
4374 SYMBOL_TYPE (s
) = init_type (TYPE_CODE_FUNC
, 4, 0, (char *) NULL
,
4376 TYPE_TARGET_TYPE (SYMBOL_TYPE (s
)) = mdebug_type_void
;
4378 /* Need a block to allocate MIPS_EFI_SYMBOL_NAME in */
4380 SYMBOL_BLOCK_VALUE (s
) = b
;
4381 BLOCK_START (b
) = sigtramp_address
;
4382 BLOCK_END (b
) = sigtramp_end
;
4383 BLOCK_FUNCTION (b
) = s
;
4384 BLOCK_SUPERBLOCK (b
) = BLOCK_SUPERBLOCK (b0
);
4388 /* Make a MIPS_EFI_SYMBOL_NAME entry for it */
4390 struct mips_extra_func_info
*e
=
4391 ((struct mips_extra_func_info
*)
4392 xzalloc (sizeof (struct mips_extra_func_info
)));
4394 e
->numargs
= 0; /* the kernel thinks otherwise */
4395 e
->pdr
.frameoffset
= 32;
4396 e
->pdr
.framereg
= SP_REGNUM
;
4397 /* Note that setting pcreg is no longer strictly necessary as
4398 mips_frame_saved_pc is now aware of signal handler frames. */
4399 e
->pdr
.pcreg
= PC_REGNUM
;
4400 e
->pdr
.regmask
= -2;
4401 /* Offset to saved r31, in the sigtramp case the saved registers
4402 are above the frame in the sigcontext.
4403 We have 4 alignment bytes, 12 bytes for onstack, mask and pc,
4404 32 * 4 bytes for the general registers, 12 bytes for mdhi, mdlo, ownedfp
4405 and 32 * 4 bytes for the floating point registers. */
4406 e
->pdr
.regoffset
= 4 + 12 + 31 * 4;
4407 e
->pdr
.fregmask
= -1;
4408 /* Offset to saved f30 (first saved *double* register). */
4409 e
->pdr
.fregoffset
= 4 + 12 + 32 * 4 + 12 + 30 * 4;
4410 e
->pdr
.isym
= (long) s
;
4411 e
->pdr
.adr
= sigtramp_address
;
4413 current_objfile
= st
->objfile
; /* Keep new_symbol happy */
4414 s
= new_symbol (MIPS_EFI_SYMBOL_NAME
);
4415 SYMBOL_VALUE (s
) = (long) e
;
4416 SYMBOL_NAMESPACE (s
) = LABEL_NAMESPACE
;
4417 SYMBOL_CLASS (s
) = LOC_CONST
;
4418 SYMBOL_TYPE (s
) = mdebug_type_void
;
4419 current_objfile
= NULL
;
4422 BLOCK_SYM (b
, BLOCK_NSYMS (b
)++) = s
;
4425 #endif /* TM_MIPS_H */
4428 _initialize_mdebugread ()
4431 init_type (TYPE_CODE_VOID
, 1,
4433 "void", (struct objfile
*) NULL
);
4435 init_type (TYPE_CODE_INT
, 1,
4437 "char", (struct objfile
*) NULL
);
4438 mdebug_type_unsigned_char
=
4439 init_type (TYPE_CODE_INT
, 1,
4441 "unsigned char", (struct objfile
*) NULL
);
4443 init_type (TYPE_CODE_INT
, 2,
4445 "short", (struct objfile
*) NULL
);
4446 mdebug_type_unsigned_short
=
4447 init_type (TYPE_CODE_INT
, 2,
4449 "unsigned short", (struct objfile
*) NULL
);
4450 mdebug_type_int_32
=
4451 init_type (TYPE_CODE_INT
, 4,
4453 "int", (struct objfile
*) NULL
);
4454 mdebug_type_unsigned_int_32
=
4455 init_type (TYPE_CODE_INT
, 4,
4457 "unsigned int", (struct objfile
*) NULL
);
4458 mdebug_type_int_64
=
4459 init_type (TYPE_CODE_INT
, 8,
4461 "int", (struct objfile
*) NULL
);
4462 mdebug_type_unsigned_int_64
=
4463 init_type (TYPE_CODE_INT
, 8,
4465 "unsigned int", (struct objfile
*) NULL
);
4466 mdebug_type_long_32
=
4467 init_type (TYPE_CODE_INT
, 4,
4469 "long", (struct objfile
*) NULL
);
4470 mdebug_type_unsigned_long_32
=
4471 init_type (TYPE_CODE_INT
, 4,
4473 "unsigned long", (struct objfile
*) NULL
);
4474 mdebug_type_long_64
=
4475 init_type (TYPE_CODE_INT
, 8,
4477 "long", (struct objfile
*) NULL
);
4478 mdebug_type_unsigned_long_64
=
4479 init_type (TYPE_CODE_INT
, 8,
4481 "unsigned long", (struct objfile
*) NULL
);
4482 mdebug_type_long_long_64
=
4483 init_type (TYPE_CODE_INT
, 8,
4485 "long long", (struct objfile
*) NULL
);
4486 mdebug_type_unsigned_long_long_64
=
4487 init_type (TYPE_CODE_INT
, 8,
4489 "unsigned long long", (struct objfile
*) NULL
);
4490 mdebug_type_adr_32
=
4491 init_type (TYPE_CODE_PTR
, 4,
4493 "adr_32", (struct objfile
*) NULL
);
4494 TYPE_TARGET_TYPE (mdebug_type_adr_32
) = mdebug_type_void
;
4495 mdebug_type_adr_64
=
4496 init_type (TYPE_CODE_PTR
, 8,
4498 "adr_64", (struct objfile
*) NULL
);
4499 TYPE_TARGET_TYPE (mdebug_type_adr_64
) = mdebug_type_void
;
4501 init_type (TYPE_CODE_FLT
, TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
4503 "float", (struct objfile
*) NULL
);
4504 mdebug_type_double
=
4505 init_type (TYPE_CODE_FLT
, TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
4507 "double", (struct objfile
*) NULL
);
4508 mdebug_type_complex
=
4509 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
4511 "complex", (struct objfile
*) NULL
);
4512 TYPE_TARGET_TYPE (mdebug_type_complex
) = mdebug_type_float
;
4513 mdebug_type_double_complex
=
4514 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
4516 "double complex", (struct objfile
*) NULL
);
4517 TYPE_TARGET_TYPE (mdebug_type_double_complex
) = mdebug_type_double
;
4519 /* Is a "string" the way btString means it the same as TYPE_CODE_STRING?
4521 mdebug_type_string
=
4522 init_type (TYPE_CODE_STRING
,
4523 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
4525 (struct objfile
*) NULL
);
4527 /* We use TYPE_CODE_INT to print these as integers. Does this do any
4528 good? Would we be better off with TYPE_CODE_ERROR? Should
4529 TYPE_CODE_ERROR print things in hex if it knows the size? */
4530 mdebug_type_fixed_dec
=
4531 init_type (TYPE_CODE_INT
,
4532 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
4534 (struct objfile
*) NULL
);
4536 mdebug_type_float_dec
=
4537 init_type (TYPE_CODE_ERROR
,
4538 TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
4539 0, "floating decimal",
4540 (struct objfile
*) NULL
);
4542 nodebug_func_symbol_type
= init_type (TYPE_CODE_FUNC
, 1, 0,
4543 "<function, no debug info>", NULL
);
4544 TYPE_TARGET_TYPE (nodebug_func_symbol_type
) = mdebug_type_int
;
4545 nodebug_var_symbol_type
=
4546 init_type (TYPE_CODE_INT
, TARGET_INT_BIT
/ HOST_CHAR_BIT
, 0,
4547 "<variable, no debug info>", NULL
);