/* Read a symbol table in ECOFF format (Third-Eye).
- Copyright 1986, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998
- Free Software Foundation, Inc.
+
+ Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
+ Foundation, Inc.
+
CMU. Major work by Per Bothner, John Gilmore and Ian Lance Taylor
at Cygnus Support.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
/* This module provides the function mdebug_build_psymtabs. It reads
ECOFF debugging information into partial symbol tables. The
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcore.h"
-#include "symfile.h"
#include "objfiles.h"
-#include "obstack.h"
+#include "gdb_obstack.h"
#include "buildsym.h"
#include "stabsread.h"
#include "complaints.h"
#include "demangle.h"
-
-/* These are needed if the tm.h file does not contain the necessary
- mips specific definitions. */
-
-#ifndef MIPS_EFI_SYMBOL_NAME
-#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
-extern void ecoff_relocate_efi PARAMS ((struct symbol *, CORE_ADDR));
-#include "coff/sym.h"
-#include "coff/symconst.h"
-typedef struct mips_extra_func_info {
- long numargs;
- PDR pdr;
-} *mips_extra_func_info_t;
-#ifndef RA_REGNUM
-#define RA_REGNUM 0
-#endif
-#endif
-
-#ifdef USG
-#include <sys/types.h>
-#endif
-
+#include "gdb_assert.h"
+#include "block.h"
+#include "dictionary.h"
+#include "mdebugread.h"
#include "gdb_stat.h"
#include "gdb_string.h"
-#include "gdb-stabs.h"
-
#include "bfd.h"
#include "coff/ecoff.h" /* COFF-like aspects of ecoff files */
#include "aout/stab_gnu.h" /* STABS information */
#include "expression.h"
-#include "language.h" /* Needed inside partial-stab.h */
-extern void _initialize_mdebugread PARAMS ((void));
-
-/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
-#ifndef ECOFF_REG_TO_REGNUM
-#define ECOFF_REG_TO_REGNUM(num) (num)
-#endif
+extern void _initialize_mdebugread (void);
/* Provide a way to test if we have both ECOFF and ELF symbol tables.
We use this define in order to know whether we should override a
case the symbol's ELF section could not be represented in ECOFF. */
#define ECOFF_IN_ELF(bfd) (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
&& bfd_get_section_by_name (bfd, ".mdebug") != NULL)
-
\f
+
/* We put a pointer to this structure in the read_symtab_private field
of the psymtab. */
struct symloc
-{
- /* Index of the FDR that this psymtab represents. */
- int fdr_idx;
- /* The BFD that the psymtab was created from. */
- bfd *cur_bfd;
- const struct ecoff_debug_swap *debug_swap;
- struct ecoff_debug_info *debug_info;
- struct mdebug_pending **pending_list;
- /* Pointer to external symbols for this file. */
- EXTR *extern_tab;
- /* Size of extern_tab. */
- int extern_count;
- enum language pst_language;
-};
+ {
+ /* Index of the FDR that this psymtab represents. */
+ int fdr_idx;
+ /* The BFD that the psymtab was created from. */
+ bfd *cur_bfd;
+ const struct ecoff_debug_swap *debug_swap;
+ struct ecoff_debug_info *debug_info;
+ struct mdebug_pending **pending_list;
+ /* Pointer to external symbols for this file. */
+ EXTR *extern_tab;
+ /* Size of extern_tab. */
+ int extern_count;
+ enum language pst_language;
+ };
#define PST_PRIVATE(p) ((struct symloc *)(p)->read_symtab_private)
#define FDR_IDX(p) (PST_PRIVATE(p)->fdr_idx)
|| (sc) == scPData \
|| (sc) == scXData)
#define SC_IS_COMMON(sc) ((sc) == scCommon || (sc) == scSCommon)
-#define SC_IS_BSS(sc) ((sc) == scBss || (sc) == scSBss)
+#define SC_IS_BSS(sc) ((sc) == scBss)
+#define SC_IS_SBSS(sc) ((sc) == scSBss)
#define SC_IS_UNDEF(sc) ((sc) == scUndefined || (sc) == scSUndefined)
-
\f
-/* Things we import explicitly from other modules */
-
-extern int info_verbose;
-
/* Various complaints about symbol reading that don't abort the process */
+static void
+index_complaint (const char *arg1)
+{
+ complaint (&symfile_complaints, "bad aux index at symbol %s", arg1);
+}
-static struct complaint bad_file_number_complaint =
-{"bad file number %d", 0, 0};
-
-static struct complaint index_complaint =
-{"bad aux index at symbol %s", 0, 0};
-
-static struct complaint aux_index_complaint =
-{"bad proc end in aux found from symbol %s", 0, 0};
-
-static struct complaint block_index_complaint =
-{"bad aux index at block symbol %s", 0, 0};
-
-static struct complaint unknown_ext_complaint =
-{"unknown external symbol %s", 0, 0};
-
-static struct complaint unknown_sym_complaint =
-{"unknown local symbol %s", 0, 0};
-
-static struct complaint unknown_st_complaint =
-{"with type %d", 0, 0};
-
-static struct complaint block_overflow_complaint =
-{"block containing %s overfilled", 0, 0};
-
-static struct complaint basic_type_complaint =
-{"cannot map ECOFF basic type 0x%x for %s", 0, 0};
-
-static struct complaint unknown_type_qual_complaint =
-{"unknown type qualifier 0x%x", 0, 0};
-
-static struct complaint array_index_type_complaint =
-{"illegal array index type for %s, assuming int", 0, 0};
-
-static struct complaint bad_tag_guess_complaint =
-{"guessed tag type of %s incorrectly", 0, 0};
-
-static struct complaint block_member_complaint =
-{"declaration block contains unhandled symbol type %d", 0, 0};
-
-static struct complaint stEnd_complaint =
-{"stEnd with storage class %d not handled", 0, 0};
-
-static struct complaint unknown_mdebug_symtype_complaint =
-{"unknown symbol type 0x%x", 0, 0};
-
-static struct complaint stab_unknown_complaint =
-{"unknown stabs symbol %s", 0, 0};
-
-static struct complaint pdr_for_nonsymbol_complaint =
-{"PDR for %s, but no symbol", 0, 0};
-
-static struct complaint pdr_static_symbol_complaint =
-{"can't handle PDR for static proc at 0x%lx", 0, 0};
-
-static struct complaint bad_setjmp_pdr_complaint =
-{"fixing bad setjmp PDR from libc", 0, 0};
-
-static struct complaint bad_fbitfield_complaint =
-{"can't handle TIR fBitfield for %s", 0, 0};
-
-static struct complaint bad_continued_complaint =
-{"illegal TIR continued for %s", 0, 0};
-
-static struct complaint bad_rfd_entry_complaint =
-{"bad rfd entry for %s: file %d, index %d", 0, 0};
-
-static struct complaint unexpected_type_code_complaint =
-{"unexpected type code for %s", 0, 0};
-
-static struct complaint unable_to_cross_ref_complaint =
-{"unable to cross ref btTypedef for %s", 0, 0};
-
-static struct complaint bad_indirect_xref_complaint =
-{"unable to cross ref btIndirect for %s", 0, 0};
-
-static struct complaint illegal_forward_tq0_complaint =
-{"illegal tq0 in forward typedef for %s", 0, 0};
+static void
+unknown_ext_complaint (const char *arg1)
+{
+ complaint (&symfile_complaints, "unknown external symbol %s", arg1);
+}
-static struct complaint illegal_forward_bt_complaint =
-{"illegal bt %d in forward typedef for %s", 0, 0};
+static void
+basic_type_complaint (int arg1, const char *arg2)
+{
+ complaint (&symfile_complaints, "cannot map ECOFF basic type 0x%x for %s",
+ arg1, arg2);
+}
-static struct complaint bad_linetable_guess_complaint =
-{"guessed size of linetable for %s incorrectly", 0, 0};
+static void
+bad_tag_guess_complaint (const char *arg1)
+{
+ complaint (&symfile_complaints, "guessed tag type of %s incorrectly", arg1);
+}
-static struct complaint bad_ext_ifd_complaint =
-{"bad ifd for external symbol: %d (max %d)", 0, 0};
+static void
+bad_rfd_entry_complaint (const char *arg1, int arg2, int arg3)
+{
+ complaint (&symfile_complaints, "bad rfd entry for %s: file %d, index %d",
+ arg1, arg2, arg3);
+}
-static struct complaint bad_ext_iss_complaint =
-{"bad iss for external symbol: %ld (max %ld)", 0, 0};
+static void
+unexpected_type_code_complaint (const char *arg1)
+{
+ complaint (&symfile_complaints, "unexpected type code for %s", arg1);
+}
/* Macros and extra defs */
/* Forward declarations */
-static void
-add_pending PARAMS ((FDR *, char *, struct type *));
+static int upgrade_type (int, struct type **, int, union aux_ext *,
+ int, char *);
-static struct mdebug_pending *
-is_pending_symbol PARAMS ((FDR *, char *));
+static void parse_partial_symbols (struct objfile *);
-static void
-pop_parse_stack PARAMS ((void));
+static int has_opaque_xref (FDR *, SYMR *);
-static void
-push_parse_stack PARAMS ((void));
+static int cross_ref (int, union aux_ext *, struct type **, enum type_code,
+ char **, int, char *);
-static char *
-fdr_name PARAMS ((FDR *));
+static struct symbol *new_symbol (char *);
-static void
-mdebug_psymtab_to_symtab PARAMS ((struct partial_symtab *));
+static struct type *new_type (char *);
-static int
-upgrade_type PARAMS ((int, struct type **, int, union aux_ext *, int, char *));
+enum block_type { FUNCTION_BLOCK, NON_FUNCTION_BLOCK };
-static void
-parse_partial_symbols PARAMS ((struct objfile *,
- struct section_offsets *));
+static struct block *new_block (enum block_type);
-static FDR
-*get_rfd PARAMS ((int, int));
+static struct symtab *new_symtab (char *, int, struct objfile *);
-static int
-has_opaque_xref PARAMS ((FDR *, SYMR *));
+static struct linetable *new_linetable (int);
-static int
-cross_ref PARAMS ((int, union aux_ext *, struct type **, enum type_code,
- char **, int, char *));
-
-static struct symbol *
-new_symbol PARAMS ((char *));
+static struct blockvector *new_bvect (int);
-static struct type *
-new_type PARAMS ((char *));
+static struct type *parse_type (int, union aux_ext *, unsigned int, int *,
+ int, char *);
-static struct block *
-new_block PARAMS ((int));
+static struct symbol *mylookup_symbol (char *, struct block *, domain_enum,
+ enum address_class);
-static struct symtab *
-new_symtab PARAMS ((char *, int, int, struct objfile *));
+static void sort_blocks (struct symtab *);
-static struct linetable *
-new_linetable PARAMS ((int));
+static struct partial_symtab *new_psymtab (char *, struct objfile *);
-static struct blockvector *
-new_bvect PARAMS ((int));
+static void psymtab_to_symtab_1 (struct partial_symtab *, char *);
-static int
-parse_symbol PARAMS ((SYMR *, union aux_ext *, char *, int, struct section_offsets *));
+static void add_block (struct block *, struct symtab *);
-static struct type *
-parse_type PARAMS ((int, union aux_ext *, unsigned int, int *, int, char *));
+static void add_symbol (struct symbol *, struct block *);
-static struct symbol *
-mylookup_symbol PARAMS ((char *, struct block *, namespace_enum,
- enum address_class));
+static int add_line (struct linetable *, int, CORE_ADDR, int);
-static struct block *
-shrink_block PARAMS ((struct block *, struct symtab *));
+static struct linetable *shrink_linetable (struct linetable *);
-static PTR
-xzalloc PARAMS ((unsigned int));
+static void handle_psymbol_enumerators (struct objfile *, FDR *, int,
+ CORE_ADDR);
-static void
-sort_blocks PARAMS ((struct symtab *));
-
-static int
-compare_blocks PARAMS ((const void *, const void *));
-
-static struct partial_symtab *
-new_psymtab PARAMS ((char *, struct objfile *, struct section_offsets *));
-
-static void
-psymtab_to_symtab_1 PARAMS ((struct partial_symtab *, char *));
-
-static void
-add_block PARAMS ((struct block *, struct symtab *));
-
-static void
-add_symbol PARAMS ((struct symbol *, struct block *));
-
-static int
-add_line PARAMS ((struct linetable *, int, CORE_ADDR, int));
-
-static struct linetable *
-shrink_linetable PARAMS ((struct linetable *));
-
-static void
-handle_psymbol_enumerators PARAMS ((struct objfile *, FDR *, int, CORE_ADDR));
-
-static char *
-mdebug_next_symbol_text PARAMS ((struct objfile *));
+static char *mdebug_next_symbol_text (struct objfile *);
\f
-/* Address bounds for the signal trampoline in inferior, if any */
-
-CORE_ADDR sigtramp_address, sigtramp_end;
-
/* Allocate zeroed memory */
-static PTR
-xzalloc (size)
- unsigned int size;
+static void *
+xzalloc (unsigned int size)
{
- PTR p = xmalloc (size);
+ void *p = xmalloc (size);
memset (p, 0, size);
return p;
and reorders the symtab list at the end */
static void
-mdebug_psymtab_to_symtab (pst)
- struct partial_symtab *pst;
+mdebug_psymtab_to_symtab (struct partial_symtab *pst)
{
if (!pst)
/* Find a file descriptor given its index RF relative to a file CF */
static FDR *
-get_rfd (cf, rf)
- int cf, rf;
+get_rfd (int cf, int rf)
{
FDR *fdrs;
- register FDR *f;
+ FDR *f;
RFDT rfd;
fdrs = debug_info->fdr;
if (f->rfdBase == 0)
return fdrs + rf;
(*debug_swap->swap_rfd_in) (cur_bfd,
- ((char *) debug_info->external_rfd
- + ((f->rfdBase + rf)
- * debug_swap->external_rfd_size)),
- &rfd);
+ ((char *) debug_info->external_rfd
+ + ((f->rfdBase + rf)
+ * debug_swap->external_rfd_size)),
+ &rfd);
return fdrs + rfd;
}
/* Return a safer print NAME for a file descriptor */
static char *
-fdr_name (f)
- FDR *f;
+fdr_name (FDR *f)
{
if (f->rss == -1)
return "<stripped file>";
different sections are relocated via the SECTION_OFFSETS. */
void
-mdebug_build_psymtabs (objfile, swap, info, section_offsets)
- struct objfile *objfile;
- const struct ecoff_debug_swap *swap;
- struct ecoff_debug_info *info;
- struct section_offsets *section_offsets;
+mdebug_build_psymtabs (struct objfile *objfile,
+ const struct ecoff_debug_swap *swap,
+ struct ecoff_debug_info *info)
{
cur_bfd = objfile->obfd;
debug_swap = swap;
debug_info = info;
+ stabsread_new_init ();
+ buildsym_new_init ();
+ free_header_files ();
+ init_header_files ();
+
/* Make sure all the FDR information is swapped in. */
if (info->fdr == (FDR *) NULL)
{
char *fdr_end;
FDR *fdr_ptr;
- info->fdr = (FDR *) obstack_alloc (&objfile->psymbol_obstack,
+ info->fdr = (FDR *) obstack_alloc (&objfile->objfile_obstack,
(info->symbolic_header.ifdMax
* sizeof (FDR)));
fdr_src = info->external_fdr;
(*swap->swap_fdr_in) (objfile->obfd, fdr_src, fdr_ptr);
}
- parse_partial_symbols (objfile, section_offsets);
+ parse_partial_symbols (objfile);
#if 0
/* Check to make sure file was compiled with -g. If not, warn the
{
if (max_gdbinfo == 0)
printf_unfiltered ("\n%s not compiled with -g, debugging support is limited.\n",
- objfile->name);
+ objfile->name);
printf_unfiltered ("You should compile with -g2 or -g3 for best debugging support.\n");
gdb_flush (gdb_stdout);
}
after use. */
static struct parse_stack
-{
- struct parse_stack *next, *prev;
- struct symtab *cur_st; /* Current symtab. */
- struct block *cur_block; /* Block in it. */
-
- /* What are we parsing. stFile, or stBlock are for files and
- blocks. stProc or stStaticProc means we have seen the start of a
- procedure, but not the start of the block within in. When we see
- the start of that block, we change it to stNil, without pushing a
- new block, i.e. stNil means both a procedure and a block. */
-
- int blocktype;
-
- int maxsyms; /* Max symbols in this block. */
- struct type *cur_type; /* Type we parse fields for. */
- int cur_field; /* Field number in cur_type. */
- CORE_ADDR procadr; /* Start addres of this procedure */
- int numargs; /* Its argument count */
-}
+ {
+ struct parse_stack *next, *prev;
+ struct symtab *cur_st; /* Current symtab. */
+ struct block *cur_block; /* Block in it. */
+
+ /* What are we parsing. stFile, or stBlock are for files and
+ blocks. stProc or stStaticProc means we have seen the start of a
+ procedure, but not the start of the block within in. When we see
+ the start of that block, we change it to stNil, without pushing a
+ new block, i.e. stNil means both a procedure and a block. */
+
+ int blocktype;
+
+ struct type *cur_type; /* Type we parse fields for. */
+ int cur_field; /* Field number in cur_type. */
+ CORE_ADDR procadr; /* Start addres of this procedure */
+ int numargs; /* Its argument count */
+ }
*top_stack; /* Top stack ptr */
/* Enter a new lexical context */
static void
-push_parse_stack ()
+push_parse_stack (void)
{
struct parse_stack *new;
/* Initialize new frame with previous content */
if (top_stack)
{
- register struct parse_stack *prev = new->prev;
+ struct parse_stack *prev = new->prev;
*new = *top_stack;
top_stack->prev = new;
/* Exit a lexical context */
static void
-pop_parse_stack ()
+pop_parse_stack (void)
{
if (!top_stack)
return;
/* The pending information is kept for an entire object file, and used
- to be in the sym_private field. I took it out when I split
- mdebugread from mipsread, because this might not be the only type
- of symbols read from an object file. Instead, we allocate the
+ to be in the deprecated_sym_private field. I took it out when I
+ split mdebugread from mipsread, because this might not be the only
+ type of symbols read from an object file. Instead, we allocate the
pending information table when we create the partial symbols, and
we store a pointer to the single table in each psymtab. */
/* Check whether we already saw symbol SH in file FH */
static struct mdebug_pending *
-is_pending_symbol (fh, sh)
- FDR *fh;
- char *sh;
+is_pending_symbol (FDR *fh, char *sh)
{
int f_idx = fh - debug_info->fdr;
- register struct mdebug_pending *p;
+ struct mdebug_pending *p;
/* Linear search is ok, list is typically no more than 10 deep */
for (p = pending_list[f_idx]; p; p = p->next)
/* Add a new symbol SH of type T */
static void
-add_pending (fh, sh, t)
- FDR *fh;
- char *sh;
- struct type *t;
+add_pending (FDR *fh, char *sh, struct type *t)
{
int f_idx = fh - debug_info->fdr;
struct mdebug_pending *p = is_pending_symbol (fh, sh);
if (!p)
{
p = ((struct mdebug_pending *)
- obstack_alloc (¤t_objfile->psymbol_obstack,
+ obstack_alloc (¤t_objfile->objfile_obstack,
sizeof (struct mdebug_pending)));
p->s = sh;
p->t = t;
SYMR's handled (normally one). */
static int
-parse_symbol (sh, ax, ext_sh, bigend, section_offsets)
- SYMR *sh;
- union aux_ext *ax;
- char *ext_sh;
- int bigend;
- struct section_offsets *section_offsets;
+parse_symbol (SYMR *sh, union aux_ext *ax, char *ext_sh, int bigend,
+ struct section_offsets *section_offsets, struct objfile *objfile)
{
const bfd_size_type external_sym_size = debug_swap->external_sym_size;
- void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *)) =
- debug_swap->swap_sym_in;
+ void (*const swap_sym_in) (bfd *, void *, SYMR *) = debug_swap->swap_sym_in;
char *name;
struct symbol *s;
struct block *b;
case scText:
case scRConst:
/* Do not relocate relative values.
- The value of a stEnd symbol is the displacement from the
- corresponding start symbol value.
- The value of a stBlock symbol is the displacement from the
- procedure address. */
+ The value of a stEnd symbol is the displacement from the
+ corresponding start symbol value.
+ The value of a stBlock symbol is the displacement from the
+ procedure address. */
if (sh->st != stEnd && sh->st != stBlock)
- sh->value += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ sh->value += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
break;
case scData:
case scSData:
case scRData:
case scPData:
case scXData:
- sh->value += ANOFFSET (section_offsets, SECT_OFF_DATA);
+ sh->value += ANOFFSET (section_offsets, SECT_OFF_DATA (objfile));
break;
case scBss:
case scSBss:
- sh->value += ANOFFSET (section_offsets, SECT_OFF_BSS);
+ sh->value += ANOFFSET (section_offsets, SECT_OFF_BSS (objfile));
break;
}
class = LOC_STATIC;
b = top_stack->cur_block;
s = new_symbol (name);
- if (SC_IS_COMMON(sh->sc))
+ if (SC_IS_COMMON (sh->sc))
{
/* It is a FORTRAN common block. At least for SGI Fortran the
address is not in the symbol; we need to fix it later in
scan_file_globals. */
- int bucket = hashname (SYMBOL_NAME (s));
+ int bucket = hashname (DEPRECATED_SYMBOL_NAME (s));
SYMBOL_VALUE_CHAIN (s) = global_sym_chain[bucket];
global_sym_chain[bucket] = s;
}
SYMBOL_VALUE (s) = svalue;
data: /* Common code for symbols describing data */
- SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
+ SYMBOL_DOMAIN (s) = VAR_DOMAIN;
SYMBOL_CLASS (s) = class;
add_symbol (s, b);
/* Type could be missing if file is compiled without debugging info. */
- if (SC_IS_UNDEF(sh->sc)
+ if (SC_IS_UNDEF (sh->sc)
|| sh->sc == scNil || sh->index == indexNil)
SYMBOL_TYPE (s) = nodebug_var_symbol_type;
else
name = "this"; /* FIXME, not alloc'd in obstack */
s = new_symbol (name);
- SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
+ SYMBOL_DOMAIN (s) = VAR_DOMAIN;
switch (sh->sc)
{
case scRegister:
/* Pass by value in register. */
- SYMBOL_CLASS(s) = LOC_REGPARM;
+ SYMBOL_CLASS (s) = LOC_REGPARM;
svalue = ECOFF_REG_TO_REGNUM (svalue);
break;
case scVar:
/* Pass by reference on stack. */
- SYMBOL_CLASS(s) = LOC_REF_ARG;
+ SYMBOL_CLASS (s) = LOC_REF_ARG;
break;
case scVarRegister:
/* Pass by reference in register. */
- SYMBOL_CLASS(s) = LOC_REGPARM_ADDR;
+ SYMBOL_CLASS (s) = LOC_REGPARM_ADDR;
svalue = ECOFF_REG_TO_REGNUM (svalue);
break;
default:
/* Pass by value on stack. */
- SYMBOL_CLASS(s) = LOC_ARG;
+ SYMBOL_CLASS (s) = LOC_ARG;
break;
}
SYMBOL_VALUE (s) = svalue;
case stLabel: /* label, goes into current block */
s = new_symbol (name);
- SYMBOL_NAMESPACE (s) = VAR_NAMESPACE; /* so that it can be used */
+ SYMBOL_DOMAIN (s) = VAR_DOMAIN; /* so that it can be used */
SYMBOL_CLASS (s) = LOC_LABEL; /* but not misused */
SYMBOL_VALUE_ADDRESS (s) = (CORE_ADDR) sh->value;
SYMBOL_TYPE (s) = mdebug_type_int;
case stProc: /* Procedure, usually goes into global block */
case stStaticProc: /* Static procedure, goes into current block */
+ /* For stProc symbol records, we need to check the storage class
+ as well, as only (stProc, scText) entries represent "real"
+ procedures - See the Compaq document titled "Object File /
+ Symbol Table Format Specification" for more information.
+ If the storage class is not scText, we discard the whole block
+ of symbol records for this stProc. */
+ if (sh->st == stProc && sh->sc != scText)
+ {
+ char *ext_tsym = ext_sh;
+ int keep_counting = 1;
+ SYMR tsym;
+
+ while (keep_counting)
+ {
+ ext_tsym += external_sym_size;
+ (*swap_sym_in) (cur_bfd, ext_tsym, &tsym);
+ count++;
+ switch (tsym.st)
+ {
+ case stParam:
+ break;
+ case stEnd:
+ keep_counting = 0;
+ break;
+ default:
+ complaint (&symfile_complaints,
+ "unknown symbol type 0x%x", sh->st);
+ break;
+ }
+ }
+ break;
+ }
s = new_symbol (name);
- SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
+ SYMBOL_DOMAIN (s) = VAR_DOMAIN;
SYMBOL_CLASS (s) = LOC_BLOCK;
/* Type of the return value */
- if (SC_IS_UNDEF(sh->sc) || sh->sc == scNil)
+ if (SC_IS_UNDEF (sh->sc) || sh->sc == scNil)
t = mdebug_type_int;
else
{
t = parse_type (cur_fd, ax, sh->index + 1, 0, bigend, name);
- if (STREQ(name, "malloc") && t->code == TYPE_CODE_VOID)
+ if (strcmp (name, "malloc") == 0
+ && TYPE_CODE (t) == TYPE_CODE_VOID)
{
/* I don't know why, but, at least under Alpha GNU/Linux,
- when linking against a malloc without debugging
- symbols, its read as a function returning void---this
- is bad because it means we cannot call functions with
- string arguments interactively; i.e., "call
- printf("howdy\n")" would fail with the error message
- "program has no memory available". To avoid this, we
- patch up the type and make it void*
- */
+ when linking against a malloc without debugging
+ symbols, its read as a function returning void---this
+ is bad because it means we cannot call functions with
+ string arguments interactively; i.e., "call
+ printf("howdy\n")" would fail with the error message
+ "program has no memory available". To avoid this, we
+ patch up the type and make it void*
+ */
t = make_pointer_type (t, NULL);
}
}
/* Make a type for the procedure itself */
SYMBOL_TYPE (s) = lookup_function_type (t);
+ /* All functions in C++ have prototypes. For C we don't have enough
+ information in the debug info. */
+ if (SYMBOL_LANGUAGE (s) == language_cplus)
+ TYPE_FLAGS (SYMBOL_TYPE (s)) |= TYPE_FLAG_PROTOTYPED;
+
/* Create and enter a new lexical context */
- b = new_block (top_stack->maxsyms);
+ b = new_block (FUNCTION_BLOCK);
SYMBOL_BLOCK_VALUE (s) = b;
BLOCK_FUNCTION (b) = s;
BLOCK_START (b) = BLOCK_END (b) = sh->value;
add_block (b, top_stack->cur_st);
/* Not if we only have partial info */
- if (SC_IS_UNDEF(sh->sc) || sh->sc == scNil)
+ if (SC_IS_UNDEF (sh->sc) || sh->sc == scNil)
break;
push_parse_stack ();
break;
/* Beginning of code for structure, union, and enum definitions.
- They all share a common set of local variables, defined here. */
+ They all share a common set of local variables, defined here. */
{
enum type_code type_code;
char *ext_tsym;
goto structured_common;
case stBlock: /* Either a lexical block, or some type */
- if (sh->sc != scInfo && !SC_IS_COMMON(sh->sc))
+ if (sh->sc != scInfo && !SC_IS_COMMON (sh->sc))
goto case_stBlock_code; /* Lexical block */
type_code = TYPE_CODE_UNDEF; /* We have a type. */
switch (tsym.st)
{
case stEnd:
- goto end_of_fields;
+ /* C++ encodes class types as structures where there the
+ methods are encoded as stProc. The scope of stProc
+ symbols also ends with stEnd, thus creating a risk of
+ taking the wrong stEnd symbol record as the end of
+ the current struct, which would cause GDB to undercount
+ the real number of fields in this struct. To make sure
+ we really reached the right stEnd symbol record, we
+ check the associated name, and match it against the
+ struct name. Since method names are mangled while
+ the class name is not, there is no risk of having a
+ method whose name is identical to the class name
+ (in particular constructor method names are different
+ from the class name). There is therefore no risk that
+ this check stops the count on the StEnd of a method.
+
+ Also, assume that we're really at the end when tsym.iss
+ is 0 (issNull). */
+ if (tsym.iss == issNull
+ || strcmp (debug_info->ss + cur_fdr->issBase + tsym.iss,
+ name) == 0)
+ goto end_of_fields;
+ break;
case stMember:
if (nfields == 0 && type_code == TYPE_CODE_UNDEF)
#if 0
/* This is a no-op; is it trying to tell us something
we should be checking? */
- if (tsym.sc == scVariant); /*UNIMPLEMENTED*/
+ if (tsym.sc == scVariant); /*UNIMPLEMENTED */
#endif
if (tsym.index != 0)
{
/* This is something like a struct within a
- struct. Skip over the fields of the inner
- struct. The -1 is because the for loop will
- increment ext_tsym. */
+ struct. Skip over the fields of the inner
+ struct. The -1 is because the for loop will
+ increment ext_tsym. */
ext_tsym = ((char *) debug_info->external_sym
+ ((cur_fdr->isymBase + tsym.index - 1)
* external_sym_size));
break;
default:
- complain (&block_member_complaint, tsym.st);
+ complaint (&symfile_complaints,
+ "declaration block contains unhandled symbol type %d",
+ tsym.st);
}
}
end_of_fields:;
if (sh->iss == 0 || name[0] == '.' || name[0] == '\0')
TYPE_TAG_NAME (t) = NULL;
else
- TYPE_TAG_NAME (t) = obconcat (¤t_objfile->symbol_obstack,
+ TYPE_TAG_NAME (t) = obconcat (¤t_objfile->objfile_obstack,
"", "", name);
TYPE_CODE (t) = type_code;
FIELD_TYPE (*f) = t;
FIELD_NAME (*f) = debug_info->ss + cur_fdr->issBase + tsym.iss;
FIELD_BITSIZE (*f) = 0;
+ FIELD_STATIC_KIND (*f) = 0;
enum_sym = ((struct symbol *)
- obstack_alloc (¤t_objfile->symbol_obstack,
+ obstack_alloc (¤t_objfile->objfile_obstack,
sizeof (struct symbol)));
- memset ((PTR) enum_sym, 0, sizeof (struct symbol));
- SYMBOL_NAME (enum_sym) =
+ memset (enum_sym, 0, sizeof (struct symbol));
+ DEPRECATED_SYMBOL_NAME (enum_sym) =
obsavestring (f->name, strlen (f->name),
- ¤t_objfile->symbol_obstack);
+ ¤t_objfile->objfile_obstack);
SYMBOL_CLASS (enum_sym) = LOC_CONST;
SYMBOL_TYPE (enum_sym) = t;
- SYMBOL_NAMESPACE (enum_sym) = VAR_NAMESPACE;
+ SYMBOL_DOMAIN (enum_sym) = VAR_DOMAIN;
SYMBOL_VALUE (enum_sym) = tsym.value;
if (SYMBOL_VALUE (enum_sym) < 0)
unsigned_enum = 0;
}
s = new_symbol (name);
- SYMBOL_NAMESPACE (s) = STRUCT_NAMESPACE;
+ SYMBOL_DOMAIN (s) = STRUCT_DOMAIN;
SYMBOL_CLASS (s) = LOC_TYPEDEF;
SYMBOL_VALUE (s) = 0;
SYMBOL_TYPE (s) = t;
case_stBlock_code:
found_ecoff_debugging_info = 1;
/* beginnning of (code) block. Value of symbol
- is the displacement from procedure start */
+ is the displacement from procedure start */
push_parse_stack ();
/* Do not start a new block if this is the outermost block of a
- procedure. This allows the LOC_BLOCK symbol to point to the
- block with the local variables, so funcname::var works. */
+ procedure. This allows the LOC_BLOCK symbol to point to the
+ block with the local variables, so funcname::var works. */
if (top_stack->blocktype == stProc
|| top_stack->blocktype == stStaticProc)
{
}
top_stack->blocktype = stBlock;
- b = new_block (top_stack->maxsyms);
+ b = new_block (NON_FUNCTION_BLOCK);
BLOCK_START (b) = sh->value + top_stack->procadr;
BLOCK_SUPERBLOCK (b) = top_stack->cur_block;
top_stack->cur_block = b;
break;
case stEnd: /* end (of anything) */
- if (sh->sc == scInfo || SC_IS_COMMON(sh->sc))
+ if (sh->sc == scInfo || SC_IS_COMMON (sh->sc))
{
/* Finished with type */
top_stack->cur_type = 0;
{
/* Finished with procedure */
struct blockvector *bv = BLOCKVECTOR (top_stack->cur_st);
- struct mips_extra_func_info *e;
- struct block *b;
+ struct mdebug_extra_func_info *e;
+ struct block *b = top_stack->cur_block;
struct type *ftype = top_stack->cur_type;
int i;
BLOCK_END (top_stack->cur_block) += sh->value; /* size */
/* Make up special symbol to contain procedure specific info */
- s = new_symbol (MIPS_EFI_SYMBOL_NAME);
- SYMBOL_NAMESPACE (s) = LABEL_NAMESPACE;
+ s = new_symbol (MDEBUG_EFI_SYMBOL_NAME);
+ SYMBOL_DOMAIN (s) = LABEL_DOMAIN;
SYMBOL_CLASS (s) = LOC_CONST;
SYMBOL_TYPE (s) = mdebug_type_void;
- e = ((struct mips_extra_func_info *)
- obstack_alloc (¤t_objfile->symbol_obstack,
- sizeof (struct mips_extra_func_info)));
- memset ((PTR) e, 0, sizeof (struct mips_extra_func_info));
+ e = ((struct mdebug_extra_func_info *)
+ obstack_alloc (¤t_objfile->objfile_obstack,
+ sizeof (struct mdebug_extra_func_info)));
+ memset (e, 0, sizeof (struct mdebug_extra_func_info));
SYMBOL_VALUE (s) = (long) e;
e->numargs = top_stack->numargs;
e->pdr.framereg = -1;
add_symbol (s, top_stack->cur_block);
- /* Reallocate symbols, saving memory */
- b = shrink_block (top_stack->cur_block, top_stack->cur_st);
-
/* f77 emits proc-level with address bounds==[0,0],
So look for such child blocks, and patch them. */
for (i = 0; i < BLOCKVECTOR_NBLOCKS (bv); i++)
if (TYPE_NFIELDS (ftype) <= 0)
{
/* No parameter type information is recorded with the function's
- type. Set that from the type of the parameter symbols. */
+ type. Set that from the type of the parameter symbols. */
int nparams = top_stack->numargs;
int iparams;
struct symbol *sym;
if (nparams > 0)
{
+ struct dict_iterator iter;
TYPE_NFIELDS (ftype) = nparams;
TYPE_FIELDS (ftype) = (struct field *)
TYPE_ALLOC (ftype, nparams * sizeof (struct field));
-
- for (i = iparams = 0; iparams < nparams; i++)
+
+ iparams = 0;
+ ALL_BLOCK_SYMBOLS (b, iter, sym)
{
- sym = BLOCK_SYM (b, i);
+ if (iparams == nparams)
+ break;
+
switch (SYMBOL_CLASS (sym))
{
case LOC_ARG:
case LOC_REGPARM:
case LOC_REGPARM_ADDR:
TYPE_FIELD_TYPE (ftype, iparams) = SYMBOL_TYPE (sym);
+ TYPE_FIELD_ARTIFICIAL (ftype, iparams) = 0;
iparams++;
break;
default:
displacement from the procedure`s start address of the
end of this block. */
BLOCK_END (top_stack->cur_block) = sh->value + top_stack->procadr;
- shrink_block (top_stack->cur_block, top_stack->cur_st);
}
else if (sh->sc == scText && top_stack->blocktype == stNil)
{
;
}
else
- complain (&stEnd_complaint, sh->sc);
+ complaint (&symfile_complaints,
+ "stEnd with storage class %d not handled", sh->sc);
pop_parse_stack (); /* restore previous lexical context */
break;
bitsize = 0;
FIELD_TYPE (*f) = parse_type (cur_fd, ax, sh->index, &bitsize, bigend, name);
FIELD_BITSIZE (*f) = bitsize;
+ FIELD_STATIC_KIND (*f) = 0;
break;
case stIndirect: /* forward declaration on Irix5 */
/* Forward declarations from Irix5 cc are handled by cross_ref,
- skip them. */
+ skip them. */
break;
case stTypedef: /* type definition */
found_ecoff_debugging_info = 1;
/* Typedefs for forward declarations and opaque structs from alpha cc
- are handled by cross_ref, skip them. */
+ are handled by cross_ref, skip them. */
if (sh->iss == 0)
break;
pend = is_pending_symbol (cur_fdr, ext_sh);
if (pend == (struct mdebug_pending *) NULL)
{
- t = parse_type (cur_fd, ax, sh->index, (int *)NULL, bigend, name);
+ t = parse_type (cur_fd, ax, sh->index, (int *) NULL, bigend, name);
add_pending (cur_fdr, ext_sh, t);
}
else
t = pend->t;
/* mips cc puts out a typedef with the name of the struct for forward
- declarations. These should not go into the symbol table and
- TYPE_NAME should not be set for them.
- They can't be distinguished from an intentional typedef to
- the same name however:
- x.h:
- struct x { int ix; int jx; };
- struct xx;
- x.c:
- typedef struct x x;
- struct xx {int ixx; int jxx; };
- generates a cross referencing stTypedef for x and xx.
- The user visible effect of this is that the type of a pointer
- to struct foo sometimes is given as `foo *' instead of `struct foo *'.
- The problem is fixed with alpha cc and Irix5 cc. */
+ declarations. These should not go into the symbol table and
+ TYPE_NAME should not be set for them.
+ They can't be distinguished from an intentional typedef to
+ the same name however:
+ x.h:
+ struct x { int ix; int jx; };
+ struct xx;
+ x.c:
+ typedef struct x x;
+ struct xx {int ixx; int jxx; };
+ generates a cross referencing stTypedef for x and xx.
+ The user visible effect of this is that the type of a pointer
+ to struct foo sometimes is given as `foo *' instead of `struct foo *'.
+ The problem is fixed with alpha cc and Irix5 cc. */
/* However if the typedef cross references to an opaque aggregate, it
- is safe to omit it from the symbol table. */
+ is safe to omit it from the symbol table. */
if (has_opaque_xref (cur_fdr, sh))
break;
s = new_symbol (name);
- SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
+ SYMBOL_DOMAIN (s) = VAR_DOMAIN;
SYMBOL_CLASS (s) = LOC_TYPEDEF;
SYMBOL_BLOCK_VALUE (s) = top_stack->cur_block;
SYMBOL_TYPE (s) = t;
/* Incomplete definitions of structs should not get a name. */
if (TYPE_NAME (SYMBOL_TYPE (s)) == NULL
&& (TYPE_NFIELDS (SYMBOL_TYPE (s)) != 0
- || (TYPE_CODE (SYMBOL_TYPE (s)) != TYPE_CODE_STRUCT
+ || (TYPE_CODE (SYMBOL_TYPE (s)) != TYPE_CODE_STRUCT
&& TYPE_CODE (SYMBOL_TYPE (s)) != TYPE_CODE_UNION)))
{
if (TYPE_CODE (SYMBOL_TYPE (s)) == TYPE_CODE_PTR
|| TYPE_CODE (SYMBOL_TYPE (s)) == TYPE_CODE_FUNC)
{
/* If we are giving a name to a type such as "pointer to
- foo" or "function returning foo", we better not set
- the TYPE_NAME. If the program contains "typedef char
- *caddr_t;", we don't want all variables of type char
- * to print as caddr_t. This is not just a
- consequence of GDB's type management; CC and GCC (at
- least through version 2.4) both output variables of
- either type char * or caddr_t with the type
- refering to the stTypedef symbol for caddr_t. If a future
- compiler cleans this up it GDB is not ready for it
- yet, but if it becomes ready we somehow need to
- disable this check (without breaking the PCC/GCC2.4
- case).
-
- Sigh.
-
- Fortunately, this check seems not to be necessary
- for anything except pointers or functions. */
+ foo" or "function returning foo", we better not set
+ the TYPE_NAME. If the program contains "typedef char
+ *caddr_t;", we don't want all variables of type char
+ * to print as caddr_t. This is not just a
+ consequence of GDB's type management; CC and GCC (at
+ least through version 2.4) both output variables of
+ either type char * or caddr_t with the type
+ refering to the stTypedef symbol for caddr_t. If a future
+ compiler cleans this up it GDB is not ready for it
+ yet, but if it becomes ready we somehow need to
+ disable this check (without breaking the PCC/GCC2.4
+ case).
+
+ Sigh.
+
+ Fortunately, this check seems not to be necessary
+ for anything except pointers or functions. */
}
else
- TYPE_NAME (SYMBOL_TYPE (s)) = SYMBOL_NAME (s);
+ TYPE_NAME (SYMBOL_TYPE (s)) = DEPRECATED_SYMBOL_NAME (s);
}
break;
case stConstant:
break; /* constant */
default:
- complain (&unknown_mdebug_symtype_complaint, sh->st);
+ complaint (&symfile_complaints, "unknown symbol type 0x%x", sh->st);
break;
}
they are big-endian or little-endian (from fh->fBigendian). */
static struct type *
-parse_type (fd, ax, aux_index, bs, bigend, sym_name)
- int fd;
- union aux_ext *ax;
- unsigned int aux_index;
- int *bs;
- int bigend;
- char *sym_name;
+parse_type (int fd, union aux_ext *ax, unsigned int aux_index, int *bs,
+ int bigend, char *sym_name)
{
/* Null entries in this map are treated specially */
static struct type **map_bt[] =
{
- &mdebug_type_void, /* btNil */
- &mdebug_type_adr_32, /* btAdr */
- &mdebug_type_char, /* btChar */
- &mdebug_type_unsigned_char, /* btUChar */
- &mdebug_type_short, /* btShort */
+ &mdebug_type_void, /* btNil */
+ &mdebug_type_adr_32, /* btAdr */
+ &mdebug_type_char, /* btChar */
+ &mdebug_type_unsigned_char, /* btUChar */
+ &mdebug_type_short, /* btShort */
&mdebug_type_unsigned_short, /* btUShort */
- &mdebug_type_int_32, /* btInt */
+ &mdebug_type_int_32, /* btInt */
&mdebug_type_unsigned_int_32, /* btUInt */
- &mdebug_type_long_32, /* btLong */
+ &mdebug_type_long_32, /* btLong */
&mdebug_type_unsigned_long_32, /* btULong */
- &mdebug_type_float, /* btFloat */
- &mdebug_type_double, /* btDouble */
- 0, /* btStruct */
- 0, /* btUnion */
- 0, /* btEnum */
- 0, /* btTypedef */
- 0, /* btRange */
- 0, /* btSet */
- &mdebug_type_complex, /* btComplex */
+ &mdebug_type_float, /* btFloat */
+ &mdebug_type_double, /* btDouble */
+ 0, /* btStruct */
+ 0, /* btUnion */
+ 0, /* btEnum */
+ 0, /* btTypedef */
+ 0, /* btRange */
+ 0, /* btSet */
+ &mdebug_type_complex, /* btComplex */
&mdebug_type_double_complex, /* btDComplex */
- 0, /* btIndirect */
- &mdebug_type_fixed_dec, /* btFixedDec */
- &mdebug_type_float_dec, /* btFloatDec */
- &mdebug_type_string, /* btString */
- 0, /* btBit */
- 0, /* btPicture */
- &mdebug_type_void, /* btVoid */
- 0, /* DEC C++: Pointer to member */
- 0, /* DEC C++: Virtual function table */
- 0, /* DEC C++: Class (Record) */
- &mdebug_type_long_64, /* btLong64 */
+ 0, /* btIndirect */
+ &mdebug_type_fixed_dec, /* btFixedDec */
+ &mdebug_type_float_dec, /* btFloatDec */
+ &mdebug_type_string, /* btString */
+ 0, /* btBit */
+ 0, /* btPicture */
+ &mdebug_type_void, /* btVoid */
+ 0, /* DEC C++: Pointer to member */
+ 0, /* DEC C++: Virtual function table */
+ 0, /* DEC C++: Class (Record) */
+ &mdebug_type_long_64, /* btLong64 */
&mdebug_type_unsigned_long_64, /* btULong64 */
- &mdebug_type_long_long_64, /* btLongLong64 */
- &mdebug_type_unsigned_long_long_64, /* btULongLong64 */
- &mdebug_type_adr_64, /* btAdr64 */
- &mdebug_type_int_64, /* btInt64 */
+ &mdebug_type_long_long_64, /* btLongLong64 */
+ &mdebug_type_unsigned_long_long_64, /* btULongLong64 */
+ &mdebug_type_adr_64, /* btAdr64 */
+ &mdebug_type_int_64, /* btInt64 */
&mdebug_type_unsigned_int_64, /* btUInt64 */
};
/* Handle corrupt aux indices. */
if (aux_index >= (debug_info->fdr + fd)->caux)
{
- complain (&index_complaint, sym_name);
+ index_complaint (sym_name);
return mdebug_type_int;
}
ax += aux_index;
(*debug_swap->swap_tir_in) (bigend, &ax->a_ti, t);
if (t->bt >= (sizeof (map_bt) / sizeof (*map_bt)))
{
- complain (&basic_type_complaint, t->bt, sym_name);
+ basic_type_complaint (t->bt, sym_name);
return mdebug_type_int;
}
if (map_bt[t->bt])
type_code = TYPE_CODE_ERROR;
break;
default:
- complain (&basic_type_complaint, t->bt, sym_name);
+ basic_type_complaint (t->bt, sym_name);
return mdebug_type_int;
}
}
if (t->fBitfield)
{
int width = AUX_GET_WIDTH (bigend, ax);
-
- /* Inhibit core dumps with some cfront generated objects that
- corrupt the TIR. */
- if (bs == (int *)NULL)
+ /* Inhibit core dumps if TIR is corrupted. */
+ if (bs == (int *) NULL)
{
/* Alpha cc -migrate encodes char and unsigned char types
as short and unsigned short types with a field width of 8.
else if (t->bt == btEnum)
;
else
- complain (&bad_fbitfield_complaint, sym_name);
+ complaint (&symfile_complaints, "can't handle TIR fBitfield for %s",
+ sym_name);
}
else
- *bs = width;
+ *bs = width;
ax++;
}
if (rf == -1)
{
- complain (&bad_indirect_xref_complaint, sym_name);
+ complaint (&symfile_complaints,
+ "unable to cross ref btIndirect for %s", sym_name);
return mdebug_type_int;
}
xref_fh = get_rfd (fd, rf);
xref_fd = xref_fh - debug_info->fdr;
tp = parse_type (xref_fd, debug_info->external_aux + xref_fh->iauxBase,
- rn->index, (int *) NULL, xref_fh->fBigendian, sym_name);
+ rn->index, (int *) NULL, xref_fh->fBigendian, sym_name);
}
/* All these types really point to some (common) MIPS type
t->bt == btUnion ||
t->bt == btEnum ||
- /* btSet (I think) implies that the name is a tag name, not a typedef
- name. This apparently is a MIPS extension for C sets. */
+ /* btSet (I think) implies that the name is a tag name, not a typedef
+ name. This apparently is a MIPS extension for C sets. */
t->bt == btSet)
{
char *name;
tp = init_type (type_code, 0, 0, (char *) NULL, current_objfile);
/* DEC c89 produces cross references to qualified aggregate types,
- dereference them. */
+ dereference them. */
while (TYPE_CODE (tp) == TYPE_CODE_PTR
|| TYPE_CODE (tp) == TYPE_CODE_ARRAY)
- tp = tp->target_type;
+ tp = TYPE_TARGET_TYPE (tp);
/* Make sure that TYPE_CODE(tp) has an expected type code.
- Any type may be returned from cross_ref if file indirect entries
- are corrupted. */
+ Any type may be returned from cross_ref if file indirect entries
+ are corrupted. */
if (TYPE_CODE (tp) != TYPE_CODE_STRUCT
&& TYPE_CODE (tp) != TYPE_CODE_UNION
&& TYPE_CODE (tp) != TYPE_CODE_ENUM)
{
- complain (&unexpected_type_code_complaint, sym_name);
+ unexpected_type_code_complaint (sym_name);
}
else
{
|| (TYPE_CODE (tp) != TYPE_CODE_ENUM
&& type_code == TYPE_CODE_ENUM))
{
- complain (&bad_tag_guess_complaint, sym_name);
+ bad_tag_guess_complaint (sym_name);
}
if (TYPE_CODE (tp) != type_code)
}
/* Do not set the tag name if it is a compiler generated tag name
- (.Fxx or .xxfake or empty) for unnamed struct/union/enums. */
+ (.Fxx or .xxfake or empty) for unnamed struct/union/enums. */
if (name[0] == '.' || name[0] == '\0')
TYPE_TAG_NAME (tp) = NULL;
else if (TYPE_TAG_NAME (tp) == NULL
- || !STREQ (TYPE_TAG_NAME (tp), name))
+ || strcmp (TYPE_TAG_NAME (tp), name) != 0)
TYPE_TAG_NAME (tp) = obsavestring (name, strlen (name),
- ¤t_objfile->type_obstack);
+ ¤t_objfile->objfile_obstack);
}
}
tp = init_type (type_code, 0, 0, (char *) NULL, current_objfile);
/* Make sure that TYPE_CODE(tp) has an expected type code.
- Any type may be returned from cross_ref if file indirect entries
- are corrupted. */
+ Any type may be returned from cross_ref if file indirect entries
+ are corrupted. */
if (TYPE_CODE (tp) != TYPE_CODE_RANGE)
{
- complain (&unexpected_type_code_complaint, sym_name);
+ unexpected_type_code_complaint (sym_name);
}
else
{
exception is if we guessed wrong re struct/union/enum. */
if (TYPE_CODE (tp) != type_code)
{
- complain (&bad_tag_guess_complaint, sym_name);
+ bad_tag_guess_complaint (sym_name);
TYPE_CODE (tp) = type_code;
}
- if (TYPE_NAME (tp) == NULL || !STREQ (TYPE_NAME (tp), name))
+ if (TYPE_NAME (tp) == NULL
+ || strcmp (TYPE_NAME (tp), name) != 0)
TYPE_NAME (tp) = obsavestring (name, strlen (name),
- ¤t_objfile->type_obstack);
+ ¤t_objfile->objfile_obstack);
}
}
if (t->bt == btTypedef)
ax += cross_ref (fd, ax, &tp, type_code, &name, bigend, sym_name);
if (tp == (struct type *) NULL)
{
- complain (&unable_to_cross_ref_complaint, sym_name);
+ complaint (&symfile_complaints,
+ "unable to cross ref btTypedef for %s", sym_name);
tp = mdebug_type_int;
}
}
TYPE_FIELDS (tp) = ((struct field *)
TYPE_ALLOC (tp, 2 * sizeof (struct field)));
TYPE_FIELD_NAME (tp, 0) = obsavestring ("Low", strlen ("Low"),
- ¤t_objfile->type_obstack);
+ ¤t_objfile->objfile_obstack);
TYPE_FIELD_BITPOS (tp, 0) = AUX_GET_DNLOW (bigend, ax);
ax++;
TYPE_FIELD_NAME (tp, 1) = obsavestring ("High", strlen ("High"),
- ¤t_objfile->type_obstack);
+ ¤t_objfile->objfile_obstack);
TYPE_FIELD_BITPOS (tp, 1) = AUX_GET_DNHIGH (bigend, ax);
ax++;
}
/* Complain for illegal continuations due to corrupt aux entries. */
if (t->continued)
- complain (&bad_continued_complaint, sym_name);
-
+ complaint (&symfile_complaints, "illegal TIR continued for %s", sym_name);
+
return tp;
}
Returns the number of aux symbols we parsed. */
static int
-upgrade_type (fd, tpp, tq, ax, bigend, sym_name)
- int fd;
- struct type **tpp;
- int tq;
- union aux_ext *ax;
- int bigend;
- char *sym_name;
+upgrade_type (int fd, struct type **tpp, int tq, union aux_ext *ax, int bigend,
+ char *sym_name)
{
int off;
struct type *t;
id, (int *) NULL, bigend, sym_name);
/* The bounds type should be an integer type, but might be anything
- else due to corrupt aux entries. */
+ else due to corrupt aux entries. */
if (TYPE_CODE (indx) != TYPE_CODE_INT)
{
- complain (&array_index_type_complaint, sym_name);
+ complaint (&symfile_complaints,
+ "illegal array index type for %s, assuming int", sym_name);
indx = mdebug_type_int;
}
t = create_array_type ((struct type *) NULL, *tpp, range);
/* We used to fill in the supplied array element bitsize
- here if the TYPE_LENGTH of the target type was zero.
- This happens for a `pointer to an array of anonymous structs',
- but in this case the array element bitsize is also zero,
- so nothing is gained.
- And we used to check the TYPE_LENGTH of the target type against
- the supplied array element bitsize.
- gcc causes a mismatch for `pointer to array of object',
- since the sdb directives it uses do not have a way of
- specifying the bitsize, but it does no harm (the
- TYPE_LENGTH should be correct) and we should be able to
- ignore the erroneous bitsize from the auxiliary entry safely.
- dbx seems to ignore it too. */
+ here if the TYPE_LENGTH of the target type was zero.
+ This happens for a `pointer to an array of anonymous structs',
+ but in this case the array element bitsize is also zero,
+ so nothing is gained.
+ And we used to check the TYPE_LENGTH of the target type against
+ the supplied array element bitsize.
+ gcc causes a mismatch for `pointer to array of object',
+ since the sdb directives it uses do not have a way of
+ specifying the bitsize, but it does no harm (the
+ TYPE_LENGTH should be correct) and we should be able to
+ ignore the erroneous bitsize from the auxiliary entry safely.
+ dbx seems to ignore it too. */
/* TYPE_FLAG_TARGET_STUB now takes care of the zero TYPE_LENGTH
- problem. */
+ problem. */
if (TYPE_LENGTH (*tpp) == 0)
{
TYPE_FLAGS (t) |= TYPE_FLAG_TARGET_STUB;
return 0;
default:
- complain (&unknown_type_qual_complaint, tq);
+ complaint (&symfile_complaints, "unknown type qualifier 0x%x", tq);
return 0;
}
}
/* Parse a procedure descriptor record PR. Note that the procedure is
parsed _after_ the local symbols, now we just insert the extra
- information we need into a MIPS_EFI_SYMBOL_NAME symbol that has
+ information we need into a MDEBUG_EFI_SYMBOL_NAME symbol that has
already been placed in the procedure's main block. Note also that
images that have been partially stripped (ld -x) have been deprived
of local symbols, and we have to cope with them here. FIRST_OFF is
the offset of the first procedure for this FDR; we adjust the
address by this amount, but I don't know why. SEARCH_SYMTAB is the symtab
- to look for the function which contains the MIPS_EFI_SYMBOL_NAME symbol
+ to look for the function which contains the MDEBUG_EFI_SYMBOL_NAME symbol
in question, or NULL to use top_stack->cur_block. */
-static void parse_procedure PARAMS ((PDR *, struct symtab *,
- struct partial_symtab *));
+static void parse_procedure (PDR *, struct symtab *, struct partial_symtab *);
static void
-parse_procedure (pr, search_symtab, pst)
- PDR *pr;
- struct symtab *search_symtab;
- struct partial_symtab *pst;
+parse_procedure (PDR *pr, struct symtab *search_symtab,
+ struct partial_symtab *pst)
{
struct symbol *s, *i;
struct block *b;
- struct mips_extra_func_info *e;
+ struct mdebug_extra_func_info *e;
char *sh_name;
/* Simple rule to find files linked "-x" */
{
/* Static procedure at address pr->adr. Sigh. */
/* FIXME-32x64. assuming pr->adr fits in long. */
- complain (&pdr_static_symbol_complaint, (unsigned long) pr->adr);
+ complaint (&symfile_complaints,
+ "can't handle PDR for static proc at 0x%lx",
+ (unsigned long) pr->adr);
return;
}
else
{
/* external */
EXTR she;
-
+
(*debug_swap->swap_ext_in) (cur_bfd,
((char *) debug_info->external_ext
+ (pr->isym
{
#if 0
/* This loses both in the case mentioned (want a static, find a global),
- but also if we are looking up a non-mangled name which happens to
- match the name of a mangled function. */
+ but also if we are looking up a non-mangled name which happens to
+ match the name of a mangled function. */
/* We have to save the cur_fdr across the call to lookup_symbol.
- If the pdr is for a static function and if a global function with
- the same name exists, lookup_symbol will eventually read in the symtab
- for the global function and clobber cur_fdr. */
+ If the pdr is for a static function and if a global function with
+ the same name exists, lookup_symbol will eventually read in the symtab
+ for the global function and clobber cur_fdr. */
FDR *save_cur_fdr = cur_fdr;
- s = lookup_symbol (sh_name, NULL, VAR_NAMESPACE, 0, NULL);
+ s = lookup_symbol (sh_name, NULL, VAR_DOMAIN, 0, NULL);
cur_fdr = save_cur_fdr;
#else
s = mylookup_symbol
(sh_name,
BLOCKVECTOR_BLOCK (BLOCKVECTOR (search_symtab), STATIC_BLOCK),
- VAR_NAMESPACE,
+ VAR_DOMAIN,
LOC_BLOCK);
#endif
}
else
s = mylookup_symbol (sh_name, top_stack->cur_block,
- VAR_NAMESPACE, LOC_BLOCK);
+ VAR_DOMAIN, LOC_BLOCK);
if (s != 0)
{
}
else
{
- complain (&pdr_for_nonsymbol_complaint, sh_name);
+ complaint (&symfile_complaints, "PDR for %s, but no symbol", sh_name);
#if 1
return;
#else
/* FIXME -- delete. We can't do symbol allocation now; it's all done. */
s = new_symbol (sh_name);
- SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
+ SYMBOL_DOMAIN (s) = VAR_DOMAIN;
SYMBOL_CLASS (s) = LOC_BLOCK;
/* Donno its type, hope int is ok */
SYMBOL_TYPE (s) = lookup_function_type (mdebug_type_int);
BLOCK_FUNCTION (b) = s;
BLOCK_START (b) = pr->adr;
/* BOUND used to be the end of procedure's text, but the
- argument is no longer passed in. */
+ argument is no longer passed in. */
BLOCK_END (b) = bound;
BLOCK_SUPERBLOCK (b) = top_stack->cur_block;
add_block (b, top_stack->cur_st);
#endif
}
- i = mylookup_symbol (MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, LOC_CONST);
+ i = mylookup_symbol (MDEBUG_EFI_SYMBOL_NAME, b, LABEL_DOMAIN, LOC_CONST);
if (i)
{
- e = (struct mips_extra_func_info *) SYMBOL_VALUE (i);
+ e = (struct mdebug_extra_func_info *) SYMBOL_VALUE (i);
e->pdr = *pr;
e->pdr.isym = (long) s;
/* GDB expects the absolute function start address for the
- procedure descriptor in e->pdr.adr.
- As the address in the procedure descriptor is usually relative,
- we would have to relocate e->pdr.adr with cur_fdr->adr and
- ANOFFSET (pst->section_offsets, SECT_OFF_TEXT).
- Unfortunately cur_fdr->adr and e->pdr.adr are both absolute
- in shared libraries on some systems, and on other systems
- e->pdr.adr is sometimes offset by a bogus value.
- To work around these problems, we replace e->pdr.adr with
- the start address of the function. */
+ procedure descriptor in e->pdr.adr.
+ As the address in the procedure descriptor is usually relative,
+ we would have to relocate e->pdr.adr with cur_fdr->adr and
+ ANOFFSET (pst->section_offsets, SECT_OFF_TEXT (pst->objfile)).
+ Unfortunately cur_fdr->adr and e->pdr.adr are both absolute
+ in shared libraries on some systems, and on other systems
+ e->pdr.adr is sometimes offset by a bogus value.
+ To work around these problems, we replace e->pdr.adr with
+ the start address of the function. */
e->pdr.adr = BLOCK_START (b);
/* Correct incorrect setjmp procedure descriptor from the library
- to make backtrace through setjmp work. */
- if (e->pdr.pcreg == 0 && STREQ (sh_name, "setjmp"))
+ to make backtrace through setjmp work. */
+ if (e->pdr.pcreg == 0
+ && strcmp (sh_name, "setjmp") == 0)
{
- complain (&bad_setjmp_pdr_complaint, 0);
+ complaint (&symfile_complaints, "fixing bad setjmp PDR from libc");
+#ifdef RA_REGNUM
e->pdr.pcreg = RA_REGNUM;
+#else
+ e->pdr.pcreg = 0;
+#endif
e->pdr.regmask = 0x80000000;
e->pdr.regoffset = -4;
}
To work around these problems, the return value type of a TYPE_CODE_VOID
function is adjusted accordingly if no debugging info was found in the
compilation unit. */
-
+
if (processing_gcc_compilation == 0
&& found_ecoff_debugging_info == 0
&& TYPE_CODE (TYPE_TARGET_TYPE (SYMBOL_TYPE (s))) == TYPE_CODE_VOID)
SYMBOL_TYPE (s) = nodebug_func_symbol_type;
}
-/* Relocate the extra function info pointed to by the symbol table. */
-
-void
-ecoff_relocate_efi (sym, delta)
- struct symbol *sym;
- CORE_ADDR delta;
-{
- struct mips_extra_func_info *e;
-
- e = (struct mips_extra_func_info *) SYMBOL_VALUE (sym);
-
- e->pdr.adr += delta;
-}
-
/* Parse the external symbol ES. Just call parse_symbol() after
making sure we know where the aux are for it.
BIGEND says whether aux entries are big-endian or little-endian.
This routine clobbers top_stack->cur_block and ->cur_st. */
-static void parse_external PARAMS ((EXTR *, int, struct section_offsets *));
+static void parse_external (EXTR *, int, struct section_offsets *,
+ struct objfile *);
static void
-parse_external (es, bigend, section_offsets)
- EXTR *es;
- int bigend;
- struct section_offsets *section_offsets;
+parse_external (EXTR *es, int bigend, struct section_offsets *section_offsets,
+ struct objfile *objfile)
{
union aux_ext *ax;
}
/* Reading .o files */
- if (SC_IS_UNDEF(es->asym.sc) || es->asym.sc == scNil)
+ if (SC_IS_UNDEF (es->asym.sc) || es->asym.sc == scNil)
{
char *what;
switch (es->asym.st)
case stProc:
case stStaticProc:
/* There is no need to parse the external procedure symbols.
- If they are from objects compiled without -g, their index will
- be indexNil, and the symbol definition from the minimal symbol
- is preferrable (yielding a function returning int instead of int).
- If the index points to a local procedure symbol, the local
- symbol already provides the correct type.
- Note that the index of the external procedure symbol points
- to the local procedure symbol in the local symbol table, and
- _not_ to the auxiliary symbol info. */
+ If they are from objects compiled without -g, their index will
+ be indexNil, and the symbol definition from the minimal symbol
+ is preferrable (yielding a function returning int instead of int).
+ If the index points to a local procedure symbol, the local
+ symbol already provides the correct type.
+ Note that the index of the external procedure symbol points
+ to the local procedure symbol in the local symbol table, and
+ _not_ to the auxiliary symbol info. */
break;
case stGlobal:
case stLabel:
/* Global common symbols are resolved by the runtime loader,
- ignore them. */
- if (SC_IS_COMMON(es->asym.sc))
+ ignore them. */
+ if (SC_IS_COMMON (es->asym.sc))
break;
/* Note that the case of a symbol with indexNil must be handled
- anyways by parse_symbol(). */
- parse_symbol (&es->asym, ax, (char *) NULL, bigend, section_offsets);
+ anyways by parse_symbol(). */
+ parse_symbol (&es->asym, ax, (char *) NULL, bigend, section_offsets, objfile);
break;
default:
break;
numbers can go back and forth, apparently we can live
with that and do not need to reorder our linetables */
-static void parse_lines PARAMS ((FDR *, PDR *, struct linetable *, int,
- struct partial_symtab *, CORE_ADDR));
+static void parse_lines (FDR *, PDR *, struct linetable *, int,
+ struct partial_symtab *, CORE_ADDR);
static void
-parse_lines (fh, pr, lt, maxlines, pst, lowest_pdr_addr)
- FDR *fh;
- PDR *pr;
- struct linetable *lt;
- int maxlines;
- struct partial_symtab *pst;
- CORE_ADDR lowest_pdr_addr;
+parse_lines (FDR *fh, PDR *pr, struct linetable *lt, int maxlines,
+ struct partial_symtab *pst, CORE_ADDR lowest_pdr_addr)
{
unsigned char *base;
int j, k;
continue;
/* Determine start and end address of compressed line bytes for
- this procedure. */
+ this procedure. */
base = debug_info->line + fh->cbLineOffset;
if (j != (fh->cpd - 1))
- halt = base + pr[1].cbLineOffset;
+ halt = base + pr[1].cbLineOffset;
else
- halt = base + fh->cbLine;
+ halt = base + fh->cbLine;
base += pr->cbLineOffset;
adr = pst->textlow + pr->adr - lowest_pdr_addr;
l = adr >> 2; /* in words */
- for (lineno = pr->lnLow; base < halt; )
+ for (lineno = pr->lnLow; base < halt;)
{
count = *base & 0x0f;
delta = *base++ >> 4;
with corrupt binaries. */
if (lt->nitems >= maxlines)
{
- complain (&bad_linetable_guess_complaint, fdr_name (fh));
+ complaint (&symfile_complaints,
+ "guessed size of linetable for %s incorrectly",
+ fdr_name (fh));
break;
}
k = add_line (lt, lineno, l, k);
}
}
\f
+static void
+function_outside_compilation_unit_complaint (const char *arg1)
+{
+ complaint (&symfile_complaints,
+ "function `%s' appears to be defined outside of all compilation units",
+ arg1);
+}
+
/* Master parsing procedure for first-pass reading of file symbols
into a partial_symtab. */
static void
-parse_partial_symbols (objfile, section_offsets)
- struct objfile *objfile;
- struct section_offsets *section_offsets;
+parse_partial_symbols (struct objfile *objfile)
{
const bfd_size_type external_sym_size = debug_swap->external_sym_size;
const bfd_size_type external_rfd_size = debug_swap->external_rfd_size;
const bfd_size_type external_ext_size = debug_swap->external_ext_size;
- void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *))
- = debug_swap->swap_ext_in;
- void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *))
- = debug_swap->swap_sym_in;
- void (* const swap_rfd_in) PARAMS ((bfd *, PTR, RFDT *))
- = debug_swap->swap_rfd_in;
+ void (*const swap_ext_in) (bfd *, void *, EXTR *) = debug_swap->swap_ext_in;
+ void (*const swap_sym_in) (bfd *, void *, SYMR *) = debug_swap->swap_sym_in;
+ void (*const swap_rfd_in) (bfd *, void *, RFDT *) = debug_swap->swap_rfd_in;
int f_idx, s_idx;
HDRR *hdr = &debug_info->symbolic_header;
/* Running pointers */
char *ext_out;
char *ext_out_end;
EXTR *ext_block;
- register EXTR *ext_in;
+ EXTR *ext_in;
EXTR *ext_in_end;
SYMR sh;
struct partial_symtab *pst;
&& (bfd_get_section_flags (cur_bfd, text_sect) & SEC_RELOC))
relocatable = 1;
- extern_tab = (EXTR *) obstack_alloc (&objfile->psymbol_obstack,
+ extern_tab = (EXTR *) obstack_alloc (&objfile->objfile_obstack,
sizeof (EXTR) * hdr->iextMax);
includes_allocated = 30;
Minor hack: -O3 images might claim some global data belongs
to FDR -1. We`ll go along with that */
fdr_to_pst = (struct pst_map *) xzalloc ((hdr->ifdMax + 1) * sizeof *fdr_to_pst);
- old_chain = make_cleanup (free, fdr_to_pst);
+ old_chain = make_cleanup (xfree, fdr_to_pst);
fdr_to_pst++;
{
- struct partial_symtab *pst = new_psymtab ("", objfile, section_offsets);
+ struct partial_symtab *pst = new_psymtab ("", objfile);
fdr_to_pst[-1].pst = pst;
FDR_IDX (pst) = -1;
}
/* Allocate the global pending list. */
pending_list =
((struct mdebug_pending **)
- obstack_alloc (&objfile->psymbol_obstack,
+ obstack_alloc (&objfile->objfile_obstack,
hdr->ifdMax * sizeof (struct mdebug_pending *)));
- memset ((PTR) pending_list, 0,
+ memset (pending_list, 0,
hdr->ifdMax * sizeof (struct mdebug_pending *));
/* Pass 0 over external syms: swap them in. */
ext_block = (EXTR *) xmalloc (hdr->iextMax * sizeof (EXTR));
- make_cleanup (free, ext_block);
+ make_cleanup (xfree, ext_block);
ext_out = (char *) debug_info->external_ext;
ext_out_end = ext_out + hdr->iextMax * external_ext_size;
To fix this, either :
1) don't create the duplicate symbol
- (assumes ECOFF symtab is a subset of the ELF symtab;
- assumes no side-effects result from ignoring ECOFF symbol)
+ (assumes ECOFF symtab is a subset of the ELF symtab;
+ assumes no side-effects result from ignoring ECOFF symbol)
2) create it, only if lookup for existing symbol in ELF's minimal
- symbols fails
- (inefficient;
- assumes no side-effects result from ignoring ECOFF symbol)
+ symbols fails
+ (inefficient;
+ assumes no side-effects result from ignoring ECOFF symbol)
3) create it, but lookup ELF's minimal symbol and use it's section
- during relocation, then modify "uniqify" phase to merge and
- eliminate the duplicate symbol
- (highly inefficient)
+ during relocation, then modify "uniqify" phase to merge and
+ eliminate the duplicate symbol
+ (highly inefficient)
I've implemented #1 here...
Skip the creation of the minimal symbols based on the ECOFF
symbol table. */
- /* Pass 2 over external syms: fill in external symbols */
- ext_in = ext_block;
- ext_in_end = ext_in + hdr->iextMax;
- for (; ext_in < ext_in_end; ext_in++)
- {
- enum minimal_symbol_type ms_type = mst_text;
- CORE_ADDR svalue = ext_in->asym.value;
+ /* Pass 2 over external syms: fill in external symbols */
+ ext_in = ext_block;
+ ext_in_end = ext_in + hdr->iextMax;
+ for (; ext_in < ext_in_end; ext_in++)
+ {
+ enum minimal_symbol_type ms_type = mst_text;
+ CORE_ADDR svalue = ext_in->asym.value;
- /* The Irix 5 native tools seem to sometimes generate bogus
- external symbols. */
- if (ext_in->ifd < -1 || ext_in->ifd >= hdr->ifdMax)
- {
- complain (&bad_ext_ifd_complaint, ext_in->ifd, hdr->ifdMax);
- continue;
- }
- if (ext_in->asym.iss < 0 || ext_in->asym.iss >= hdr->issExtMax)
- {
- complain (&bad_ext_iss_complaint, ext_in->asym.iss,
- hdr->issExtMax);
- continue;
- }
+ /* The Irix 5 native tools seem to sometimes generate bogus
+ external symbols. */
+ if (ext_in->ifd < -1 || ext_in->ifd >= hdr->ifdMax)
+ {
+ complaint (&symfile_complaints,
+ "bad ifd for external symbol: %d (max %ld)", ext_in->ifd,
+ hdr->ifdMax);
+ continue;
+ }
+ if (ext_in->asym.iss < 0 || ext_in->asym.iss >= hdr->issExtMax)
+ {
+ complaint (&symfile_complaints,
+ "bad iss for external symbol: %ld (max %ld)",
+ ext_in->asym.iss, hdr->issExtMax);
+ continue;
+ }
- extern_tab[fdr_to_pst[ext_in->ifd].globals_offset
- + fdr_to_pst[ext_in->ifd].n_globals++] = *ext_in;
+ extern_tab[fdr_to_pst[ext_in->ifd].globals_offset
+ + fdr_to_pst[ext_in->ifd].n_globals++] = *ext_in;
- if (SC_IS_UNDEF(ext_in->asym.sc) || ext_in->asym.sc == scNil)
- continue;
+ if (SC_IS_UNDEF (ext_in->asym.sc) || ext_in->asym.sc == scNil)
+ continue;
-
- /* Pass 3 over files, over local syms: fill in static symbols */
- name = debug_info->ssext + ext_in->asym.iss;
- /* Process ECOFF Symbol Types and Storage Classes */
- switch (ext_in->asym.st)
- {
- case stProc:
- /* Beginnning of Procedure */
- svalue += ANOFFSET (section_offsets, SECT_OFF_TEXT);
- break;
- case stStaticProc:
- /* Load time only static procs */
- ms_type = mst_file_text;
- svalue += ANOFFSET (section_offsets, SECT_OFF_TEXT);
- break;
- case stGlobal:
- /* External symbol */
- if (SC_IS_COMMON (ext_in->asym.sc))
- {
- /* The value of a common symbol is its size, not its address.
- Ignore it. */
- continue;
- }
- else if (SC_IS_DATA (ext_in->asym.sc))
- {
- ms_type = mst_data;
- svalue += ANOFFSET (section_offsets, SECT_OFF_DATA);
- }
- else if (SC_IS_BSS (ext_in->asym.sc))
- {
- ms_type = mst_bss;
- svalue += ANOFFSET (section_offsets, SECT_OFF_BSS);
- }
- else
- ms_type = mst_abs;
- break;
- case stLabel:
- /* Label */
- if (SC_IS_TEXT (ext_in->asym.sc))
- {
- ms_type = mst_file_text;
- svalue += ANOFFSET (section_offsets, SECT_OFF_TEXT);
- }
- else if (SC_IS_DATA (ext_in->asym.sc))
- {
- ms_type = mst_file_data;
- svalue += ANOFFSET (section_offsets, SECT_OFF_DATA);
- }
- else if (SC_IS_BSS (ext_in->asym.sc))
- {
- ms_type = mst_file_bss;
- svalue += ANOFFSET (section_offsets, SECT_OFF_BSS);
- }
- else
- ms_type = mst_abs;
- break;
- case stLocal:
- case stNil:
- /* The alpha has the section start addresses in stLocal symbols
- whose name starts with a `.'. Skip those but complain for all
- other stLocal symbols.
- Irix6 puts the section start addresses in stNil symbols, skip
- those too.*/
- if (name[0] == '.')
+ /* Pass 3 over files, over local syms: fill in static symbols */
+ name = debug_info->ssext + ext_in->asym.iss;
+
+ /* Process ECOFF Symbol Types and Storage Classes */
+ switch (ext_in->asym.st)
+ {
+ case stProc:
+ /* Beginnning of Procedure */
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+ break;
+ case stStaticProc:
+ /* Load time only static procs */
+ ms_type = mst_file_text;
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+ break;
+ case stGlobal:
+ /* External symbol */
+ if (SC_IS_COMMON (ext_in->asym.sc))
+ {
+ /* The value of a common symbol is its size, not its address.
+ Ignore it. */
continue;
- /* Fall through. */
- default:
- ms_type = mst_unknown;
- complain (&unknown_ext_complaint, name);
- }
- if (!ECOFF_IN_ELF(cur_bfd))
- prim_record_minimal_symbol (name, svalue, ms_type, objfile);
- }
+ }
+ else if (SC_IS_DATA (ext_in->asym.sc))
+ {
+ ms_type = mst_data;
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
+ }
+ else if (SC_IS_BSS (ext_in->asym.sc))
+ {
+ ms_type = mst_bss;
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_BSS (objfile));
+ }
+ else if (SC_IS_SBSS (ext_in->asym.sc))
+ {
+ ms_type = mst_bss;
+ svalue += ANOFFSET (objfile->section_offsets,
+ get_section_index (objfile, ".sbss"));
+ }
+ else
+ ms_type = mst_abs;
+ break;
+ case stLabel:
+ /* Label */
+
+ /* On certain platforms, some extra label symbols can be
+ generated by the linker. One possible usage for this kind
+ of symbols is to represent the address of the begining of a
+ given section. For instance, on Tru64 5.1, the address of
+ the _ftext label is the start address of the .text section.
+
+ The storage class of these symbols is usually directly
+ related to the section to which the symbol refers. For
+ instance, on Tru64 5.1, the storage class for the _fdata
+ label is scData, refering to the .data section.
+
+ It is actually possible that the section associated to the
+ storage class of the label does not exist. On True64 5.1
+ for instance, the libm.so shared library does not contain
+ any .data section, although it contains a _fpdata label
+ which storage class is scData... Since these symbols are
+ usually useless for the debugger user anyway, we just
+ discard these symbols.
+ */
+
+ if (SC_IS_TEXT (ext_in->asym.sc))
+ {
+ if (objfile->sect_index_text == -1)
+ continue;
+
+ ms_type = mst_file_text;
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+ }
+ else if (SC_IS_DATA (ext_in->asym.sc))
+ {
+ if (objfile->sect_index_data == -1)
+ continue;
+
+ ms_type = mst_file_data;
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
+ }
+ else if (SC_IS_BSS (ext_in->asym.sc))
+ {
+ if (objfile->sect_index_bss == -1)
+ continue;
+
+ ms_type = mst_file_bss;
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_BSS (objfile));
+ }
+ else if (SC_IS_SBSS (ext_in->asym.sc))
+ {
+ const int sbss_sect_index = get_section_index (objfile, ".sbss");
+
+ if (sbss_sect_index == -1)
+ continue;
+
+ ms_type = mst_file_bss;
+ svalue += ANOFFSET (objfile->section_offsets, sbss_sect_index);
+ }
+ else
+ ms_type = mst_abs;
+ break;
+ case stLocal:
+ case stNil:
+ /* The alpha has the section start addresses in stLocal symbols
+ whose name starts with a `.'. Skip those but complain for all
+ other stLocal symbols.
+ Irix6 puts the section start addresses in stNil symbols, skip
+ those too. */
+ if (name[0] == '.')
+ continue;
+ /* Fall through. */
+ default:
+ ms_type = mst_unknown;
+ unknown_ext_complaint (name);
+ }
+ if (!ECOFF_IN_ELF (cur_bfd))
+ prim_record_minimal_symbol (name, svalue, ms_type, objfile);
+ }
/* Pass 3 over files, over local syms: fill in static symbols */
for (f_idx = 0; f_idx < hdr->ifdMax; f_idx++)
}
/* Determine the start address for this object file from the
- file header and relocate it, except for Irix 5.2 zero fh->adr. */
+ file header and relocate it, except for Irix 5.2 zero fh->adr. */
if (fh->cpd)
{
textlow = fh->adr;
if (relocatable || textlow != 0)
- textlow += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ textlow += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
}
else
textlow = 0;
- pst = start_psymtab_common (objfile, section_offsets,
+ pst = start_psymtab_common (objfile, objfile->section_offsets,
fdr_name (fh),
textlow,
objfile->global_psymbols.next,
objfile->static_psymbols.next);
pst->read_symtab_private = ((char *)
- obstack_alloc (&objfile->psymbol_obstack,
+ obstack_alloc (&objfile->objfile_obstack,
sizeof (struct symloc)));
- memset ((PTR) pst->read_symtab_private, 0, sizeof (struct symloc));
+ memset (pst->read_symtab_private, 0, sizeof (struct symloc));
save_pst = pst;
FDR_IDX (pst) = f_idx;
/* Set up language for the pst.
The language from the FDR is used if it is unambigious (e.g. cfront
- with native cc and g++ will set the language to C).
- Otherwise we have to deduce the language from the filename.
- Native ecoff has every header file in a separate FDR, so
- deduce_language_from_filename will return language_unknown for
- a header file, which is not what we want.
- But the FDRs for the header files are after the FDR for the source
- file, so we can assign the language of the source file to the
- following header files. Then we save the language in the private
- pst data so that we can reuse it when building symtabs. */
+ with native cc and g++ will set the language to C).
+ Otherwise we have to deduce the language from the filename.
+ Native ecoff has every header file in a separate FDR, so
+ deduce_language_from_filename will return language_unknown for
+ a header file, which is not what we want.
+ But the FDRs for the header files are after the FDR for the source
+ file, so we can assign the language of the source file to the
+ following header files. Then we save the language in the private
+ pst data so that we can reuse it when building symtabs. */
prev_language = psymtab_language;
switch (fh->lang)
pst->texthigh = pst->textlow;
/* For stabs-in-ecoff files, the second symbol must be @stab.
- This symbol is emitted by mips-tfile to signal that the
- current object file uses encapsulated stabs instead of mips
- ecoff for local symbols. (It is the second symbol because
- the first symbol is the stFile used to signal the start of a
- file). */
+ This symbol is emitted by mips-tfile to signal that the
+ current object file uses encapsulated stabs instead of mips
+ ecoff for local symbols. (It is the second symbol because
+ the first symbol is the stFile used to signal the start of a
+ file). */
processing_gcc_compilation = 0;
if (fh->csym >= 2)
{
((char *) debug_info->external_sym
+ (fh->isymBase + 1) * external_sym_size),
&sh);
- if (STREQ (debug_info->ss + fh->issBase + sh.iss, stabs_symbol))
+ if (strcmp (debug_info->ss + fh->issBase + sh.iss,
+ stabs_symbol) == 0)
processing_gcc_compilation = 2;
}
(*swap_sym_in) (cur_bfd,
(((char *) debug_info->external_sym)
- + (fh->isymBase + cur_sdx) * external_sym_size),
+ + (fh->isymBase + cur_sdx) * external_sym_size),
&sh);
type_code = ECOFF_UNMARK_STAB (sh.index);
if (!ECOFF_IS_STAB (&sh))
{
CORE_ADDR procaddr;
long isym;
-
- sh.value += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
if (sh.st == stStaticProc)
{
namestring = debug_info->ss + fh->issBase + sh.iss;
sh.value,
mst_file_text,
NULL,
- SECT_OFF_TEXT,
+ SECT_OFF_TEXT (objfile),
NULL,
objfile);
}
{
CORE_ADDR high = procaddr + sh.value;
- /* Kludge for Irix 5.2 zero fh->adr. */
+ /* Kludge for Irix 5.2 zero fh->adr. */
if (!relocatable
- && (pst->textlow == 0 || procaddr < pst->textlow))
+ && (pst->textlow == 0 || procaddr < pst->textlow))
pst->textlow = procaddr;
if (high > pst->texthigh)
pst->texthigh = high;
case scPData:
case scXData:
namestring = debug_info->ss + fh->issBase + sh.iss;
- sh.value += ANOFFSET (section_offsets, SECT_OFF_DATA);
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
prim_record_minimal_symbol_and_info (namestring,
sh.value,
mst_file_data,
NULL,
- SECT_OFF_DATA,
+ SECT_OFF_DATA (objfile),
NULL,
objfile);
break;
/* FIXME! Shouldn't this use cases for bss,
then have the default be abs? */
namestring = debug_info->ss + fh->issBase + sh.iss;
- sh.value += ANOFFSET (section_offsets, SECT_OFF_BSS);
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_BSS (objfile));
prim_record_minimal_symbol_and_info (namestring,
sh.value,
mst_file_bss,
NULL,
- SECT_OFF_BSS,
+ SECT_OFF_BSS (objfile),
NULL,
objfile);
break;
{
char *stabstring = debug_info->ss + fh->issBase + sh.iss;
int len = strlen (stabstring);
- while (stabstring[len-1] == '\\')
+ while (stabstring[len - 1] == '\\')
{
SYMR sh2;
char *stabstring1 = stabstring;
cur_sdx++;
(*swap_sym_in) (cur_bfd,
(((char *) debug_info->external_sym)
- + (fh->isymBase + cur_sdx)
+ + (fh->isymBase + cur_sdx)
* external_sym_size),
&sh2);
stabstring2 = debug_info->ss + fh->issBase + sh2.iss;
/* Concatinate stabstring2 with stabstring1 */
if (stabstring
- && stabstring != debug_info->ss + fh->issBase + sh.iss)
+ && stabstring != debug_info->ss + fh->issBase + sh.iss)
stabstring = xrealloc (stabstring, len + len2 + 1);
else
- stabstring = xmalloc (len + len2 + 1);
- strcpy (stabstring, stabstring1);
+ {
+ stabstring = xmalloc (len + len2 + 1);
+ strcpy (stabstring, stabstring1);
+ }
strcpy (stabstring + len, stabstring2);
len += len2;
}
-#define SET_NAMESTRING() \
- namestring = stabstring
-#define CUR_SYMBOL_TYPE type_code
-#define CUR_SYMBOL_VALUE sh.value
-#define START_PSYMTAB(ofile,secoff,fname,low,symoff,global_syms,static_syms)\
- pst = save_pst
-#define END_PSYMTAB(pst,ilist,ninc,c_off,c_text,dep_list,n_deps,textlow_not_set) (void)0
-#define HANDLE_RBRAC(val) \
- if ((val) > save_pst->texthigh) save_pst->texthigh = (val);
-#include "partial-stab.h"
-
- if (stabstring
+ switch (type_code)
+ {
+ char *p;
+ /*
+ * Standard, external, non-debugger, symbols
+ */
+
+ case N_TEXT | N_EXT:
+ case N_NBTEXT | N_EXT:
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+ goto record_it;
+
+ case N_DATA | N_EXT:
+ case N_NBDATA | N_EXT:
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
+ goto record_it;
+
+ case N_BSS:
+ case N_BSS | N_EXT:
+ case N_NBBSS | N_EXT:
+ case N_SETV | N_EXT: /* FIXME, is this in BSS? */
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_BSS (objfile));
+ goto record_it;
+
+ case N_ABS | N_EXT:
+ record_it:
+ continue;
+
+ /* Standard, local, non-debugger, symbols */
+
+ case N_NBTEXT:
+
+ /* We need to be able to deal with both N_FN or N_TEXT,
+ because we have no way of knowing whether the sys-supplied ld
+ or GNU ld was used to make the executable. Sequents throw
+ in another wrinkle -- they renumbered N_FN. */
+
+ case N_FN:
+ case N_FN_SEQ:
+ case N_TEXT:
+ continue;
+
+ case N_DATA:
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
+ goto record_it;
+
+ case N_UNDF | N_EXT:
+ continue; /* Just undefined, not COMMON */
+
+ case N_UNDF:
+ continue;
+
+ /* Lots of symbol types we can just ignore. */
+
+ case N_ABS:
+ case N_NBDATA:
+ case N_NBBSS:
+ continue;
+
+ /* Keep going . . . */
+
+ /*
+ * Special symbol types for GNU
+ */
+ case N_INDR:
+ case N_INDR | N_EXT:
+ case N_SETA:
+ case N_SETA | N_EXT:
+ case N_SETT:
+ case N_SETT | N_EXT:
+ case N_SETD:
+ case N_SETD | N_EXT:
+ case N_SETB:
+ case N_SETB | N_EXT:
+ case N_SETV:
+ continue;
+
+ /*
+ * Debugger symbols
+ */
+
+ case N_SO:
+ {
+ CORE_ADDR valu;
+ static int prev_so_symnum = -10;
+ static int first_so_symnum;
+ char *p;
+ int prev_textlow_not_set;
+
+ valu = sh.value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+
+ prev_textlow_not_set = textlow_not_set;
+
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+ /* A zero value is probably an indication for the SunPRO 3.0
+ compiler. end_psymtab explicitly tests for zero, so
+ don't relocate it. */
+
+ if (sh.value == 0)
+ {
+ textlow_not_set = 1;
+ valu = 0;
+ }
+ else
+ textlow_not_set = 0;
+#else
+ textlow_not_set = 0;
+#endif
+ past_first_source_file = 1;
+
+ if (prev_so_symnum != symnum - 1)
+ { /* Here if prev stab wasn't N_SO */
+ first_so_symnum = symnum;
+
+ if (pst)
+ {
+ pst = (struct partial_symtab *) 0;
+ includes_used = 0;
+ dependencies_used = 0;
+ }
+ }
+
+ prev_so_symnum = symnum;
+
+ /* End the current partial symtab and start a new one */
+
+ /* SET_NAMESTRING ();*/
+ namestring = stabstring;
+
+ /* Null name means end of .o file. Don't start a new one. */
+ if (*namestring == '\000')
+ continue;
+
+ /* Some compilers (including gcc) emit a pair of initial N_SOs.
+ The first one is a directory name; the second the file name.
+ If pst exists, is empty, and has a filename ending in '/',
+ we assume the previous N_SO was a directory name. */
+
+ p = strrchr (namestring, '/');
+ if (p && *(p + 1) == '\000')
+ continue; /* Simply ignore directory name SOs */
+
+ /* Some other compilers (C++ ones in particular) emit useless
+ SOs for non-existant .c files. We ignore all subsequent SOs that
+ immediately follow the first. */
+
+ if (!pst)
+ pst = save_pst;
+ continue;
+ }
+
+ case N_BINCL:
+ continue;
+
+ case N_SOL:
+ {
+ enum language tmp_language;
+ /* Mark down an include file in the current psymtab */
+
+ /* SET_NAMESTRING ();*/
+ namestring = stabstring;
+
+ tmp_language = deduce_language_from_filename (namestring);
+
+ /* Only change the psymtab's language if we've learned
+ something useful (eg. tmp_language is not language_unknown).
+ In addition, to match what start_subfile does, never change
+ from C++ to C. */
+ if (tmp_language != language_unknown
+ && (tmp_language != language_c
+ || psymtab_language != language_cplus))
+ psymtab_language = tmp_language;
+
+ /* In C++, one may expect the same filename to come round many
+ times, when code is coming alternately from the main file
+ and from inline functions in other files. So I check to see
+ if this is a file we've seen before -- either the main
+ source file, or a previously included file.
+
+ This seems to be a lot of time to be spending on N_SOL, but
+ things like "break c-exp.y:435" need to work (I
+ suppose the psymtab_include_list could be hashed or put
+ in a binary tree, if profiling shows this is a major hog). */
+ if (pst && strcmp (namestring, pst->filename) == 0)
+ continue;
+ {
+ int i;
+ for (i = 0; i < includes_used; i++)
+ if (strcmp (namestring,
+ psymtab_include_list[i]) == 0)
+ {
+ i = -1;
+ break;
+ }
+ if (i == -1)
+ continue;
+ }
+
+ psymtab_include_list[includes_used++] = namestring;
+ if (includes_used >= includes_allocated)
+ {
+ char **orig = psymtab_include_list;
+
+ psymtab_include_list = (char **)
+ alloca ((includes_allocated *= 2) *
+ sizeof (char *));
+ memcpy (psymtab_include_list, orig,
+ includes_used * sizeof (char *));
+ }
+ continue;
+ }
+ case N_LSYM: /* Typedef or automatic variable. */
+ case N_STSYM: /* Data seg var -- static */
+ case N_LCSYM: /* BSS " */
+ case N_ROSYM: /* Read-only data seg var -- static. */
+ case N_NBSTS: /* Gould nobase. */
+ case N_NBLCS: /* symbols. */
+ case N_FUN:
+ case N_GSYM: /* Global (extern) variable; can be
+ data or bss (sigh FIXME). */
+
+ /* Following may probably be ignored; I'll leave them here
+ for now (until I do Pascal and Modula 2 extensions). */
+
+ case N_PC: /* I may or may not need this; I
+ suspect not. */
+ case N_M2C: /* I suspect that I can ignore this here. */
+ case N_SCOPE: /* Same. */
+
+ /* SET_NAMESTRING ();*/
+ namestring = stabstring;
+ p = (char *) strchr (namestring, ':');
+ if (!p)
+ continue; /* Not a debugging symbol. */
+
+
+
+ /* Main processing section for debugging symbols which
+ the initial read through the symbol tables needs to worry
+ about. If we reach this point, the symbol which we are
+ considering is definitely one we are interested in.
+ p must also contain the (valid) index into the namestring
+ which indicates the debugging type symbol. */
+
+ switch (p[1])
+ {
+ case 'S':
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
+#ifdef STATIC_TRANSFORM_NAME
+ namestring = STATIC_TRANSFORM_NAME (namestring);
+#endif
+ add_psymbol_to_list (namestring, p - namestring,
+ VAR_DOMAIN, LOC_STATIC,
+ &objfile->static_psymbols,
+ 0, sh.value,
+ psymtab_language, objfile);
+ continue;
+ case 'G':
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
+ /* The addresses in these entries are reported to be
+ wrong. See the code that reads 'G's for symtabs. */
+ add_psymbol_to_list (namestring, p - namestring,
+ VAR_DOMAIN, LOC_STATIC,
+ &objfile->global_psymbols,
+ 0, sh.value,
+ psymtab_language, objfile);
+ continue;
+
+ case 'T':
+ /* When a 'T' entry is defining an anonymous enum, it
+ may have a name which is the empty string, or a
+ single space. Since they're not really defining a
+ symbol, those shouldn't go in the partial symbol
+ table. We do pick up the elements of such enums at
+ 'check_enum:', below. */
+ if (p >= namestring + 2
+ || (p == namestring + 1
+ && namestring[0] != ' '))
+ {
+ add_psymbol_to_list (namestring, p - namestring,
+ STRUCT_DOMAIN, LOC_TYPEDEF,
+ &objfile->static_psymbols,
+ sh.value, 0,
+ psymtab_language, objfile);
+ if (p[2] == 't')
+ {
+ /* Also a typedef with the same name. */
+ add_psymbol_to_list (namestring, p - namestring,
+ VAR_DOMAIN, LOC_TYPEDEF,
+ &objfile->static_psymbols,
+ sh.value, 0,
+ psymtab_language, objfile);
+ p += 1;
+ }
+ }
+ goto check_enum;
+ case 't':
+ if (p != namestring) /* a name is there, not just :T... */
+ {
+ add_psymbol_to_list (namestring, p - namestring,
+ VAR_DOMAIN, LOC_TYPEDEF,
+ &objfile->static_psymbols,
+ sh.value, 0,
+ psymtab_language, objfile);
+ }
+ check_enum:
+ /* If this is an enumerated type, we need to
+ add all the enum constants to the partial symbol
+ table. This does not cover enums without names, e.g.
+ "enum {a, b} c;" in C, but fortunately those are
+ rare. There is no way for GDB to find those from the
+ enum type without spending too much time on it. Thus
+ to solve this problem, the compiler needs to put out the
+ enum in a nameless type. GCC2 does this. */
+
+ /* We are looking for something of the form
+ <name> ":" ("t" | "T") [<number> "="] "e"
+ {<constant> ":" <value> ","} ";". */
+
+ /* Skip over the colon and the 't' or 'T'. */
+ p += 2;
+ /* This type may be given a number. Also, numbers can come
+ in pairs like (0,26). Skip over it. */
+ while ((*p >= '0' && *p <= '9')
+ || *p == '(' || *p == ',' || *p == ')'
+ || *p == '=')
+ p++;
+
+ if (*p++ == 'e')
+ {
+ /* The aix4 compiler emits extra crud before the members. */
+ if (*p == '-')
+ {
+ /* Skip over the type (?). */
+ while (*p != ':')
+ p++;
+
+ /* Skip over the colon. */
+ p++;
+ }
+
+ /* We have found an enumerated type. */
+ /* According to comments in read_enum_type
+ a comma could end it instead of a semicolon.
+ I don't know where that happens.
+ Accept either. */
+ while (*p && *p != ';' && *p != ',')
+ {
+ char *q;
+
+ /* Check for and handle cretinous dbx symbol name
+ continuation! */
+ if (*p == '\\' || (*p == '?' && p[1] == '\0'))
+ p = next_symbol_text (objfile);
+
+ /* Point to the character after the name
+ of the enum constant. */
+ for (q = p; *q && *q != ':'; q++)
+ ;
+ /* Note that the value doesn't matter for
+ enum constants in psymtabs, just in symtabs. */
+ add_psymbol_to_list (p, q - p,
+ VAR_DOMAIN, LOC_CONST,
+ &objfile->static_psymbols, 0,
+ 0, psymtab_language, objfile);
+ /* Point past the name. */
+ p = q;
+ /* Skip over the value. */
+ while (*p && *p != ',')
+ p++;
+ /* Advance past the comma. */
+ if (*p)
+ p++;
+ }
+ }
+ continue;
+ case 'c':
+ /* Constant, e.g. from "const" in Pascal. */
+ add_psymbol_to_list (namestring, p - namestring,
+ VAR_DOMAIN, LOC_CONST,
+ &objfile->static_psymbols, sh.value,
+ 0, psymtab_language, objfile);
+ continue;
+
+ case 'f':
+ if (! pst)
+ {
+ int name_len = p - namestring;
+ char *name = xmalloc (name_len + 1);
+ memcpy (name, namestring, name_len);
+ name[name_len] = '\0';
+ function_outside_compilation_unit_complaint (name);
+ xfree (name);
+ }
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+ add_psymbol_to_list (namestring, p - namestring,
+ VAR_DOMAIN, LOC_BLOCK,
+ &objfile->static_psymbols,
+ 0, sh.value,
+ psymtab_language, objfile);
+ continue;
+
+ /* Global functions were ignored here, but now they
+ are put into the global psymtab like one would expect.
+ They're also in the minimal symbol table. */
+ case 'F':
+ if (! pst)
+ {
+ int name_len = p - namestring;
+ char *name = xmalloc (name_len + 1);
+ memcpy (name, namestring, name_len);
+ name[name_len] = '\0';
+ function_outside_compilation_unit_complaint (name);
+ xfree (name);
+ }
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+ add_psymbol_to_list (namestring, p - namestring,
+ VAR_DOMAIN, LOC_BLOCK,
+ &objfile->global_psymbols,
+ 0, sh.value,
+ psymtab_language, objfile);
+ continue;
+
+ /* Two things show up here (hopefully); static symbols of
+ local scope (static used inside braces) or extensions
+ of structure symbols. We can ignore both. */
+ case 'V':
+ case '(':
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ case '-':
+ case '#': /* for symbol identification (used in live ranges) */
+ continue;
+
+ case ':':
+ /* It is a C++ nested symbol. We don't need to record it
+ (I don't think); if we try to look up foo::bar::baz,
+ then symbols for the symtab containing foo should get
+ read in, I think. */
+ /* Someone says sun cc puts out symbols like
+ /foo/baz/maclib::/usr/local/bin/maclib,
+ which would get here with a symbol type of ':'. */
+ continue;
+
+ default:
+ /* Unexpected symbol descriptor. The second and subsequent stabs
+ of a continued stab can show up here. The question is
+ whether they ever can mimic a normal stab--it would be
+ nice if not, since we certainly don't want to spend the
+ time searching to the end of every string looking for
+ a backslash. */
+
+ complaint (&symfile_complaints,
+ "unknown symbol descriptor `%c'", p[1]);
+
+ /* Ignore it; perhaps it is an extension that we don't
+ know about. */
+ continue;
+ }
+
+ case N_EXCL:
+ continue;
+
+ case N_ENDM:
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+ /* Solaris 2 end of module, finish current partial
+ symbol table. END_PSYMTAB will set
+ pst->texthigh to the proper value, which is
+ necessary if a module compiled without
+ debugging info follows this module. */
+ if (pst)
+ {
+ pst = (struct partial_symtab *) 0;
+ includes_used = 0;
+ dependencies_used = 0;
+ }
+#endif
+ continue;
+
+ case N_RBRAC:
+ if (sh.value > save_pst->texthigh)
+ save_pst->texthigh = sh.value;
+ continue;
+ case N_EINCL:
+ case N_DSLINE:
+ case N_BSLINE:
+ case N_SSYM: /* Claim: Structure or union element.
+ Hopefully, I can ignore this. */
+ case N_ENTRY: /* Alternate entry point; can ignore. */
+ case N_MAIN: /* Can definitely ignore this. */
+ case N_CATCH: /* These are GNU C++ extensions */
+ case N_EHDECL: /* that can safely be ignored here. */
+ case N_LENG:
+ case N_BCOMM:
+ case N_ECOMM:
+ case N_ECOML:
+ case N_FNAME:
+ case N_SLINE:
+ case N_RSYM:
+ case N_PSYM:
+ case N_LBRAC:
+ case N_NSYMS: /* Ultrix 4.0: symbol count */
+ case N_DEFD: /* GNU Modula-2 */
+ case N_ALIAS: /* SunPro F77: alias name, ignore for now. */
+
+ case N_OBJ: /* useless types from Solaris */
+ case N_OPT:
+ /* These symbols aren't interesting; don't worry about them */
+
+ continue;
+
+ default:
+ /* If we haven't found it yet, ignore it. It's probably some
+ new type we don't know about yet. */
+ complaint (&symfile_complaints, "unknown symbol type %s",
+ hex_string (type_code)); /*CUR_SYMBOL_TYPE*/
+ continue;
+ }
+ if (stabstring
&& stabstring != debug_info->ss + fh->issBase + sh.iss)
- free (stabstring);
+ xfree (stabstring);
}
- /* end - Handle continuation */
+ /* end - Handle continuation */
}
}
else
}
/* Non absolute static symbols go into the minimal table. */
- if (SC_IS_UNDEF(sh.sc) || sh.sc == scNil
+ if (SC_IS_UNDEF (sh.sc) || sh.sc == scNil
|| (sh.index == indexNil
&& (sh.st != stStatic || sh.sc == scAbs)))
{
/* The value of a stEnd symbol is the displacement from the
corresponding start symbol value, do not relocate it. */
if (sh.st != stEnd)
- sh.value += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
break;
case scData:
case scSData:
case scRData:
case scPData:
case scXData:
- sh.value += ANOFFSET (section_offsets, SECT_OFF_DATA);
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
break;
case scBss:
case scSBss:
- sh.value += ANOFFSET (section_offsets, SECT_OFF_BSS);
+ sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_BSS (objfile));
break;
}
case stStaticProc:
prim_record_minimal_symbol_and_info (name, sh.value,
mst_file_text, NULL,
- SECT_OFF_TEXT, NULL,
+ SECT_OFF_TEXT (objfile), NULL,
objfile);
/* FALLTHROUGH */
case stProc:
+ /* Ignore all parameter symbol records. */
+ if (sh.index >= hdr->iauxMax)
+ {
+ /* Should not happen, but does when cross-compiling
+ with the MIPS compiler. FIXME -- pull later. */
+ index_complaint (name);
+ new_sdx = cur_sdx + 1; /* Don't skip at all */
+ }
+ else
+ new_sdx = AUX_GET_ISYM (fh->fBigendian,
+ (debug_info->external_aux
+ + fh->iauxBase
+ + sh.index));
+
+ if (new_sdx <= cur_sdx)
+ {
+ /* This should not happen either... FIXME. */
+ complaint (&symfile_complaints,
+ "bad proc end in aux found from symbol %s",
+ name);
+ new_sdx = cur_sdx + 1; /* Don't skip backward */
+ }
+
+ /* For stProc symbol records, we need to check the
+ storage class as well, as only (stProc, scText)
+ entries represent "real" procedures - See the
+ Compaq document titled "Object File / Symbol Table
+ Format Specification" for more information. If the
+ storage class is not scText, we discard the whole
+ block of symbol records for this stProc. */
+ if (sh.st == stProc && sh.sc != scText)
+ goto skip;
+
/* Usually there is a local and a global stProc symbol
for a function. This means that the function name
has already been entered into the mimimal symbol table
symbol table. */
if (sh.st == stProc)
add_psymbol_to_list (name, strlen (name),
- VAR_NAMESPACE, LOC_BLOCK,
+ VAR_DOMAIN, LOC_BLOCK,
&objfile->global_psymbols,
- 0, sh.value, psymtab_language, objfile);
+ 0, sh.value, psymtab_language, objfile);
else
add_psymbol_to_list (name, strlen (name),
- VAR_NAMESPACE, LOC_BLOCK,
+ VAR_DOMAIN, LOC_BLOCK,
&objfile->static_psymbols,
- 0, sh.value, psymtab_language, objfile);
+ 0, sh.value, psymtab_language, objfile);
- /* Skip over procedure to next one. */
- if (sh.index >= hdr->iauxMax)
- {
- /* Should not happen, but does when cross-compiling
- with the MIPS compiler. FIXME -- pull later. */
- complain (&index_complaint, name);
- new_sdx = cur_sdx + 1; /* Don't skip at all */
- }
- else
- new_sdx = AUX_GET_ISYM (fh->fBigendian,
- (debug_info->external_aux
- + fh->iauxBase
- + sh.index));
procaddr = sh.value;
- if (new_sdx <= cur_sdx)
- {
- /* This should not happen either... FIXME. */
- complain (&aux_index_complaint, name);
- new_sdx = cur_sdx + 1; /* Don't skip backward */
- }
-
cur_sdx = new_sdx;
(*swap_sym_in) (cur_bfd,
((char *) debug_info->external_sym
continue;
case stStatic: /* Variable */
- if (SC_IS_DATA (sh.sc))
+ if (SC_IS_DATA (sh.sc))
prim_record_minimal_symbol_and_info (name, sh.value,
mst_file_data, NULL,
- SECT_OFF_DATA,
+ SECT_OFF_DATA (objfile),
NULL,
objfile);
else
prim_record_minimal_symbol_and_info (name, sh.value,
mst_file_bss, NULL,
- SECT_OFF_BSS,
+ SECT_OFF_BSS (objfile),
NULL,
objfile);
class = LOC_STATIC;
break;
- case stIndirect:/* Irix5 forward declaration */
+ case stIndirect: /* Irix5 forward declaration */
/* Skip forward declarations from Irix5 cc */
goto skip;
- case stTypedef:/* Typedef */
+ case stTypedef: /* Typedef */
/* Skip typedefs for forward declarations and opaque
structs from alpha and mips cc. */
if (sh.iss == 0 || has_opaque_xref (fh, &sh))
case stUnion:
case stStruct:
case stEnum:
- case stBlock: /* { }, str, un, enum*/
+ case stBlock: /* { }, str, un, enum */
/* Do not create a partial symbol for cc unnamed aggregates
and gcc empty aggregates. */
if ((sh.sc == scInfo
- || SC_IS_COMMON(sh.sc))
+ || SC_IS_COMMON (sh.sc))
&& sh.iss != 0
&& sh.index != cur_sdx + 2)
{
add_psymbol_to_list (name, strlen (name),
- STRUCT_NAMESPACE, LOC_TYPEDEF,
+ STRUCT_DOMAIN, LOC_TYPEDEF,
&objfile->static_psymbols,
0, (CORE_ADDR) 0,
psymtab_language, objfile);
if (new_sdx <= cur_sdx)
{
/* This happens with the Ultrix kernel. */
- complain (&block_index_complaint, name);
+ complaint (&symfile_complaints,
+ "bad aux index at block symbol %s", name);
new_sdx = cur_sdx + 1; /* Don't skip backward */
}
cur_sdx = new_sdx;
default:
/* Both complaints are valid: one gives symbol name,
the other the offending symbol type. */
- complain (&unknown_sym_complaint, name);
- complain (&unknown_st_complaint, sh.st);
+ complaint (&symfile_complaints, "unknown local symbol %s",
+ name);
+ complaint (&symfile_complaints, "with type %d", sh.st);
cur_sdx++;
continue;
}
/* Use this gdb symbol */
add_psymbol_to_list (name, strlen (name),
- VAR_NAMESPACE, class,
+ VAR_DOMAIN, class,
&objfile->static_psymbols,
0, sh.value, psymtab_language, objfile);
skip:
CORE_ADDR svalue;
if (ext_ptr->ifd != f_idx)
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
psh = &ext_ptr->asym;
/* Do not add undefined symbols to the partial symbol table. */
- if (SC_IS_UNDEF(psh->sc) || psh->sc == scNil)
+ if (SC_IS_UNDEF (psh->sc) || psh->sc == scNil)
continue;
svalue = psh->value;
{
case scText:
case scRConst:
- svalue += ANOFFSET (section_offsets, SECT_OFF_TEXT);
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
break;
case scData:
case scSData:
case scRData:
case scPData:
case scXData:
- svalue += ANOFFSET (section_offsets, SECT_OFF_DATA);
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
break;
case scBss:
case scSBss:
- svalue += ANOFFSET (section_offsets, SECT_OFF_BSS);
+ svalue += ANOFFSET (objfile->section_offsets, SECT_OFF_BSS (objfile));
break;
}
class = LOC_LABEL;
break;
default:
- complain (&unknown_ext_complaint,
- debug_info->ssext + psh->iss);
+ unknown_ext_complaint (debug_info->ssext + psh->iss);
/* Fall through, pretend it's global. */
case stGlobal:
/* Global common symbols are resolved by the runtime loader,
ignore them. */
- if (SC_IS_COMMON(psh->sc))
+ if (SC_IS_COMMON (psh->sc))
continue;
class = LOC_STATIC;
}
name = debug_info->ssext + psh->iss;
add_psymbol_to_list (name, strlen (name),
- VAR_NAMESPACE, class,
+ VAR_DOMAIN, class,
&objfile->global_psymbols,
0, svalue,
psymtab_language, objfile);
}
/* Link pst to FDR. end_psymtab returns NULL if the psymtab was
- empty and put on the free list. */
+ empty and put on the free list. */
fdr_to_pst[f_idx].pst = end_psymtab (save_pst,
- psymtab_include_list, includes_used,
+ psymtab_include_list, includes_used,
-1, save_pst->texthigh,
- dependency_list, dependencies_used, textlow_not_set);
+ dependency_list, dependencies_used, textlow_not_set);
includes_used = 0;
dependencies_used = 0;
- if (objfile->ei.entry_point >= save_pst->textlow &&
- objfile->ei.entry_point < save_pst->texthigh)
- {
- objfile->ei.entry_file_lowpc = save_pst->textlow;
- objfile->ei.entry_file_highpc = save_pst->texthigh;
- }
-
/* The objfile has its functions reordered if this partial symbol
- table overlaps any other partial symbol table.
- We cannot assume a reordered objfile if a partial symbol table
- is contained within another partial symbol table, as partial symbol
- tables for include files with executable code are contained
- within the partial symbol table for the including source file,
- and we do not want to flag the objfile reordered for these cases.
-
- This strategy works well for Irix-5.2 shared libraries, but we
- might have to use a more elaborate (and slower) algorithm for
- other cases. */
+ table overlaps any other partial symbol table.
+ We cannot assume a reordered objfile if a partial symbol table
+ is contained within another partial symbol table, as partial symbol
+ tables for include files with executable code are contained
+ within the partial symbol table for the including source file,
+ and we do not want to flag the objfile reordered for these cases.
+
+ This strategy works well for Irix-5.2 shared libraries, but we
+ might have to use a more elaborate (and slower) algorithm for
+ other cases. */
save_pst = fdr_to_pst[f_idx].pst;
if (save_pst != NULL
&& save_pst->textlow != 0
&& !(objfile->flags & OBJF_REORDERED))
{
ALL_OBJFILE_PSYMTABS (objfile, pst)
- {
- if (save_pst != pst
- && save_pst->textlow >= pst->textlow
- && save_pst->textlow < pst->texthigh
- && save_pst->texthigh > pst->texthigh)
- {
- objfile->flags |= OBJF_REORDERED;
- break;
- }
- }
+ {
+ if (save_pst != pst
+ && save_pst->textlow >= pst->textlow
+ && save_pst->textlow < pst->texthigh
+ && save_pst->texthigh > pst->texthigh)
+ {
+ objfile->flags |= OBJF_REORDERED;
+ break;
+ }
+ }
}
}
fh = f_idx + debug_info->fdr;
pst = fdr_to_pst[f_idx].pst;
- if (pst == (struct partial_symtab *)NULL)
+ if (pst == (struct partial_symtab *) NULL)
continue;
/* This should catch stabs-in-ecoff. */
continue;
/* Skip the first file indirect entry as it is a self dependency
- for source files or a reverse .h -> .c dependency for header files. */
+ for source files or a reverse .h -> .c dependency for header files. */
pst->number_of_dependencies = 0;
pst->dependencies =
((struct partial_symtab **)
- obstack_alloc (&objfile->psymbol_obstack,
+ obstack_alloc (&objfile->objfile_obstack,
((fh->crfd - 1)
* sizeof (struct partial_symtab *))));
for (s_idx = 1; s_idx < fh->crfd; s_idx++)
&rh);
if (rh < 0 || rh >= hdr->ifdMax)
{
- complain (&bad_file_number_complaint, rh);
+ complaint (&symfile_complaints, "bad file number %ld", rh);
continue;
}
continue;
/* Do not add to dependeny list if psymtab was empty. */
- if (fdr_to_pst[rh].pst == (struct partial_symtab *)NULL)
+ if (fdr_to_pst[rh].pst == (struct partial_symtab *) NULL)
continue;
pst->dependencies[pst->number_of_dependencies++] = fdr_to_pst[rh].pst;
}
all the the enum constants to the partial symbol table. */
static void
-handle_psymbol_enumerators (objfile, fh, stype, svalue)
- struct objfile *objfile;
- FDR *fh;
- int stype;
- CORE_ADDR svalue;
+handle_psymbol_enumerators (struct objfile *objfile, FDR *fh, int stype,
+ CORE_ADDR svalue)
{
const bfd_size_type external_sym_size = debug_swap->external_sym_size;
- void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *))
- = debug_swap->swap_sym_in;
+ void (*const swap_sym_in) (bfd *, void *, SYMR *) = debug_swap->swap_sym_in;
char *ext_sym = ((char *) debug_info->external_sym
- + ((fh->isymBase + cur_sdx + 1) * external_sym_size));
+ + ((fh->isymBase + cur_sdx + 1) * external_sym_size));
SYMR sh;
TIR tir;
case stBlock:
/* It is an enumerated type if the next symbol entry is a stMember
- and its auxiliary index is indexNil or its auxiliary entry
- is a plain btNil or btVoid.
- Alpha cc -migrate enums are recognized by a zero index and
- a zero symbol value.
- DU 4.0 cc enums are recognized by a member type of btEnum without
- qualifiers and a zero symbol value. */
+ and its auxiliary index is indexNil or its auxiliary entry
+ is a plain btNil or btVoid.
+ Alpha cc -migrate enums are recognized by a zero index and
+ a zero symbol value.
+ DU 4.0 cc enums are recognized by a member type of btEnum without
+ qualifiers and a zero symbol value. */
(*swap_sym_in) (cur_bfd, ext_sym, &sh);
if (sh.st != stMember)
return;
name = debug_info->ss + cur_fdr->issBase + sh.iss;
/* Note that the value doesn't matter for enum constants
- in psymtabs, just in symtabs. */
+ in psymtabs, just in symtabs. */
add_psymbol_to_list (name, strlen (name),
- VAR_NAMESPACE, LOC_CONST,
+ VAR_DOMAIN, LOC_CONST,
&objfile->static_psymbols, 0,
(CORE_ADDR) 0, psymtab_language, objfile);
ext_sym += external_sym_size;
}
}
+/* Get the next symbol. OBJFILE is unused. */
+
static char *
-mdebug_next_symbol_text (objfile)
- struct objfile *objfile; /* argument objfile is currently unused */
+mdebug_next_symbol_text (struct objfile *objfile)
{
SYMR sh;
The flow of control and even the memory allocation differs. FIXME. */
static void
-psymtab_to_symtab_1 (pst, filename)
- struct partial_symtab *pst;
- char *filename;
+psymtab_to_symtab_1 (struct partial_symtab *pst, char *filename)
{
bfd_size_type external_sym_size;
bfd_size_type external_pdr_size;
- void (*swap_sym_in) PARAMS ((bfd *, PTR, SYMR *));
- void (*swap_pdr_in) PARAMS ((bfd *, PTR, PDR *));
+ void (*swap_sym_in) (bfd *, void *, SYMR *);
+ void (*swap_pdr_in) (bfd *, void *, PDR *);
int i;
- struct symtab *st;
+ struct symtab *st = NULL;
FDR *fh;
struct linetable *lines;
CORE_ADDR lowest_pdr_addr = 0;
+ int last_symtab_ended = 0;
if (pst->readin)
return;
((char *) debug_info->external_sym
+ (fh->isymBase + 1) * external_sym_size),
&sh);
- if (STREQ (debug_info->ss + fh->issBase + sh.iss,
- stabs_symbol))
+ if (strcmp (debug_info->ss + fh->issBase + sh.iss,
+ stabs_symbol) == 0)
{
/* We indicate that this is a GCC compilation so that certain
features will be enabled in stabsread/dbxread. */
int type_code = ECOFF_UNMARK_STAB (sh.index);
/* We should never get non N_STAB symbols here, but they
- should be harmless, so keep process_one_symbol from
- complaining about them. */
+ should be harmless, so keep process_one_symbol from
+ complaining about them. */
if (type_code & N_STAB)
{
- process_one_symbol (type_code, 0, valu, name,
- pst->section_offsets, pst->objfile);
+ /* If we found a trailing N_SO with no name, process
+ it here instead of in process_one_symbol, so we
+ can keep a handle to its symtab. The symtab
+ would otherwise be ended twice, once in
+ process_one_symbol, and once after this loop. */
+ if (type_code == N_SO
+ && last_source_file
+ && previous_stab_code != (unsigned char) N_SO
+ && *name == '\000')
+ {
+ valu += ANOFFSET (pst->section_offsets,
+ SECT_OFF_TEXT (pst->objfile));
+ previous_stab_code = N_SO;
+ st = end_symtab (valu, pst->objfile,
+ SECT_OFF_TEXT (pst->objfile));
+ end_stabs ();
+ last_symtab_ended = 1;
+ }
+ else
+ {
+ last_symtab_ended = 0;
+ process_one_symbol (type_code, 0, valu, name,
+ pst->section_offsets, pst->objfile);
+ }
}
/* Similarly a hack. */
else if (name[0] == '#')
{
/* Make up special symbol to contain
procedure specific info */
- struct mips_extra_func_info *e =
- ((struct mips_extra_func_info *)
- obstack_alloc (¤t_objfile->symbol_obstack,
- sizeof (struct mips_extra_func_info)));
- struct symbol *s = new_symbol (MIPS_EFI_SYMBOL_NAME);
-
- memset ((PTR) e, 0, sizeof (struct mips_extra_func_info));
- SYMBOL_NAMESPACE (s) = LABEL_NAMESPACE;
+ struct mdebug_extra_func_info *e =
+ ((struct mdebug_extra_func_info *)
+ obstack_alloc (¤t_objfile->objfile_obstack,
+ sizeof (struct mdebug_extra_func_info)));
+ struct symbol *s = new_symbol (MDEBUG_EFI_SYMBOL_NAME);
+
+ memset (e, 0, sizeof (struct mdebug_extra_func_info));
+ SYMBOL_DOMAIN (s) = LABEL_DOMAIN;
SYMBOL_CLASS (s) = LOC_CONST;
SYMBOL_TYPE (s) = mdebug_type_void;
SYMBOL_VALUE (s) = (long) e;
else
{
/* Handle encoded stab line number. */
- valu += ANOFFSET (pst->section_offsets, SECT_OFF_TEXT);
+ valu += ANOFFSET (pst->section_offsets, SECT_OFF_TEXT (pst->objfile));
record_line (current_subfile, sh.index, valu);
}
}
/* These are generated by gcc-2.x, do not complain */
;
else
- complain (&stab_unknown_complaint, name);
+ complaint (&symfile_complaints, "unknown stabs symbol %s", name);
}
- st = end_symtab (pst->texthigh, pst->objfile, SECT_OFF_TEXT);
- end_stabs ();
- /* Sort the symbol table now, we are done adding symbols to it.
- We must do this before parse_procedure calls lookup_symbol. */
- sort_symtab_syms (st);
+ if (! last_symtab_ended)
+ {
+ st = end_symtab (pst->texthigh, pst->objfile, SECT_OFF_TEXT (pst->objfile));
+ end_stabs ();
+ }
/* There used to be a call to sort_blocks here, but this should not
- be necessary for stabs symtabs. And as sort_blocks modifies the
- start address of the GLOBAL_BLOCK to the FIRST_LOCAL_BLOCK,
- it did the wrong thing if the first procedure in a file was
- generated via asm statements. */
+ be necessary for stabs symtabs. And as sort_blocks modifies the
+ start address of the GLOBAL_BLOCK to the FIRST_LOCAL_BLOCK,
+ it did the wrong thing if the first procedure in a file was
+ generated via asm statements. */
/* Fill in procedure info next. */
if (fh->cpd > 0)
PDR *pdr_in_end;
pr_block = (PDR *) xmalloc (fh->cpd * sizeof (PDR));
- old_chain = make_cleanup (free, pr_block);
+ old_chain = make_cleanup (xfree, pr_block);
pdr_ptr = ((char *) debug_info->external_pdr
+ fh->ipdFirst * external_pdr_size);
(*swap_pdr_in) (cur_bfd, pdr_ptr, pdr_in);
/* Determine lowest PDR address, the PDRs are not always
- sorted. */
+ sorted. */
if (pdr_in == pr_block)
lowest_pdr_addr = pdr_in->adr;
else if (pdr_in->adr < lowest_pdr_addr)
int maxlines;
EXTR *ext_ptr;
- /* How many symbols will we need */
- /* FIXME, this does not count enum values. */
- f_max = pst->n_global_syms + pst->n_static_syms;
if (fh == 0)
{
maxlines = 0;
- st = new_symtab ("unknown", f_max, 0, pst->objfile);
+ st = new_symtab ("unknown", 0, pst->objfile);
}
else
{
- f_max += fh->csym + fh->cpd;
maxlines = 2 * fh->cline;
- st = new_symtab (pst->filename, 2 * f_max, maxlines, pst->objfile);
+ st = new_symtab (pst->filename, maxlines, pst->objfile);
/* The proper language was already determined when building
the psymtab, use it. */
BLOCK_START (top_stack->cur_block) = pst->textlow;
BLOCK_END (top_stack->cur_block) = 0;
top_stack->blocktype = stFile;
- top_stack->maxsyms = 2 * f_max;
top_stack->cur_type = 0;
top_stack->procadr = 0;
top_stack->numargs = 0;
(*swap_sym_in) (cur_bfd, sym_ptr, &sh);
c = parse_symbol (&sh,
debug_info->external_aux + fh->iauxBase,
- sym_ptr, fh->fBigendian, pst->section_offsets);
+ sym_ptr, fh->fBigendian, pst->section_offsets, pst->objfile);
sym_ptr += c * external_sym_size;
}
pr_block = (PDR *) xmalloc (fh->cpd * sizeof (PDR));
- old_chain = make_cleanup (free, pr_block);
+ old_chain = make_cleanup (xfree, pr_block);
pdr_ptr = ((char *) debug_info->external_pdr
+ fh->ipdFirst * external_pdr_size);
LINETABLE (st) = lines;
/* .. and our share of externals.
- XXX use the global list to speed up things here. how?
- FIXME, Maybe quit once we have found the right number of ext's? */
+ XXX use the global list to speed up things here. how?
+ FIXME, Maybe quit once we have found the right number of ext's? */
top_stack->cur_st = st;
top_stack->cur_block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (top_stack->cur_st),
GLOBAL_BLOCK);
top_stack->blocktype = stFile;
- top_stack->maxsyms
- = (debug_info->symbolic_header.isymMax
- + debug_info->symbolic_header.ipdMax
- + debug_info->symbolic_header.iextMax);
ext_ptr = PST_PRIVATE (pst)->extern_tab;
for (i = PST_PRIVATE (pst)->extern_count; --i >= 0; ext_ptr++)
- parse_external (ext_ptr, fh->fBigendian, pst->section_offsets);
+ parse_external (ext_ptr, fh->fBigendian, pst->section_offsets, pst->objfile);
/* If there are undefined symbols, tell the user.
- The alpha has an undefined symbol for every symbol that is
- from a shared library, so tell the user only if verbose is on. */
+ The alpha has an undefined symbol for every symbol that is
+ from a shared library, so tell the user only if verbose is on. */
if (info_verbose && n_undef_symbols)
{
printf_filtered ("File %s contains %d unresolved references:",
st->primary = 1;
- /* Sort the symbol table now, we are done adding symbols to it.*/
- sort_symtab_syms (st);
-
sort_blocks (st);
}
to an opaque aggregate type, else 0. */
static int
-has_opaque_xref (fh, sh)
- FDR *fh;
- SYMR *sh;
+has_opaque_xref (FDR *fh, SYMR *sh)
{
TIR tir;
union aux_ext *ax;
Return value says how many aux symbols we ate. */
static int
-cross_ref (fd, ax, tpp, type_code, pname, bigend, sym_name)
- int fd;
- union aux_ext *ax;
- struct type **tpp;
- enum type_code type_code; /* Use to alloc new type if none is found. */
- char **pname;
- int bigend;
- char *sym_name;
+cross_ref (int fd, union aux_ext *ax, struct type **tpp, enum type_code type_code, /* Use to alloc new type if none is found. */
+ char **pname, int bigend, char *sym_name)
{
RNDXR rn[1];
unsigned int rf;
int xref_fd;
struct mdebug_pending *pend;
- *tpp = (struct type *)NULL;
+ *tpp = (struct type *) NULL;
(*debug_swap->swap_rndx_in) (bigend, &ax->a_rndx, rn);
if (rf == -1)
{
*pname = "<undefined>";
- *tpp = init_type (type_code, 0, 0, (char *) NULL, current_objfile);
- TYPE_FLAGS (*tpp) |= TYPE_FLAG_STUB;
+ *tpp = init_type (type_code, 0, TYPE_FLAG_STUB, (char *) NULL, current_objfile);
return result;
}
{
/* File indirect entry is corrupt. */
*pname = "<illegal>";
- complain (&bad_rfd_entry_complaint,
- sym_name, xref_fd, rn->index);
+ bad_rfd_entry_complaint (sym_name, xref_fd, rn->index);
return result;
}
|| (sh.st != stBlock && sh.st != stTypedef && sh.st != stIndirect
&& sh.st != stStruct && sh.st != stUnion
&& sh.st != stEnum))
- && (sh.st != stBlock || !SC_IS_COMMON(sh.sc)))
+ && (sh.st != stBlock || !SC_IS_COMMON (sh.sc)))
{
/* File indirect entry is corrupt. */
*pname = "<illegal>";
- complain (&bad_rfd_entry_complaint,
- sym_name, xref_fd, rn->index);
+ bad_rfd_entry_complaint (sym_name, xref_fd, rn->index);
return result;
}
/* alpha cc puts out a stTypedef with a sh.iss of zero for
two cases:
a) forward declarations of structs/unions/enums which are not
- defined in this compilation unit.
- For these the type will be void. This is a bad design decision
- as cross referencing across compilation units is impossible
- due to the missing name.
+ defined in this compilation unit.
+ For these the type will be void. This is a bad design decision
+ as cross referencing across compilation units is impossible
+ due to the missing name.
b) forward declarations of structs/unions/enums/typedefs which
- are defined later in this file or in another file in the same
- compilation unit. Irix5 cc uses a stIndirect symbol for this.
- Simply cross reference those again to get the true type.
+ are defined later in this file or in another file in the same
+ compilation unit. Irix5 cc uses a stIndirect symbol for this.
+ Simply cross reference those again to get the true type.
The forward references are not entered in the pending list and
in the symbol table. */
+ fh->iauxBase + sh.index)->a_ti,
&tir);
if (tir.tq0 != tqNil)
- complain (&illegal_forward_tq0_complaint, sym_name);
+ complaint (&symfile_complaints,
+ "illegal tq0 in forward typedef for %s", sym_name);
switch (tir.bt)
{
case btVoid:
*tpp = init_type (type_code, 0, 0, (char *) NULL,
current_objfile);
- *pname = "<undefined>";
+ *pname = "<undefined>";
break;
case btStruct:
case btTypedef:
/* Follow a forward typedef. This might recursively
- call cross_ref till we get a non typedef'ed type.
- FIXME: This is not correct behaviour, but gdb currently
- cannot handle typedefs without type copying. Type
- copying is impossible as we might have mutual forward
- references between two files and the copied type would not
- get filled in when we later parse its definition. */
+ call cross_ref till we get a non typedef'ed type.
+ FIXME: This is not correct behaviour, but gdb currently
+ cannot handle typedefs without type copying. Type
+ copying is impossible as we might have mutual forward
+ references between two files and the copied type would not
+ get filled in when we later parse its definition. */
*tpp = parse_type (xref_fd,
debug_info->external_aux + fh->iauxBase,
sh.index,
- (int *)NULL,
+ (int *) NULL,
fh->fBigendian,
debug_info->ss + fh->issBase + sh.iss);
add_pending (fh, esh, *tpp);
break;
default:
- complain (&illegal_forward_bt_complaint, tir.bt, sym_name);
+ complaint (&symfile_complaints,
+ "illegal bt %d in forward typedef for %s", tir.bt,
+ sym_name);
*tpp = init_type (type_code, 0, 0, (char *) NULL,
current_objfile);
break;
*tpp = parse_type (xref_fd,
debug_info->external_aux + fh->iauxBase,
sh.index,
- (int *)NULL,
+ (int *) NULL,
fh->fBigendian,
debug_info->ss + fh->issBase + sh.iss);
}
keeping the symtab sorted */
static struct symbol *
-mylookup_symbol (name, block, namespace, class)
- char *name;
- register struct block *block;
- namespace_enum namespace;
- enum address_class class;
+mylookup_symbol (char *name, struct block *block,
+ domain_enum domain, enum address_class class)
{
- register int bot, top, inc;
- register struct symbol *sym;
+ struct dict_iterator iter;
+ int inc;
+ struct symbol *sym;
- bot = 0;
- top = BLOCK_NSYMS (block);
inc = name[0];
- while (bot < top)
+ ALL_BLOCK_SYMBOLS (block, iter, sym)
{
- sym = BLOCK_SYM (block, bot);
- if (SYMBOL_NAME (sym)[0] == inc
- && SYMBOL_NAMESPACE (sym) == namespace
+ if (DEPRECATED_SYMBOL_NAME (sym)[0] == inc
+ && SYMBOL_DOMAIN (sym) == domain
&& SYMBOL_CLASS (sym) == class
- && strcmp (SYMBOL_NAME (sym), name) == 0)
+ && strcmp (DEPRECATED_SYMBOL_NAME (sym), name) == 0)
return sym;
- bot++;
}
+
block = BLOCK_SUPERBLOCK (block);
if (block)
- return mylookup_symbol (name, block, namespace, class);
+ return mylookup_symbol (name, block, domain, class);
return 0;
}
-/* Add a new symbol S to a block B.
- Infrequently, we will need to reallocate the block to make it bigger.
- We only detect this case when adding to top_stack->cur_block, since
- that's the only time we know how big the block is. FIXME. */
+/* Add a new symbol S to a block B. */
static void
-add_symbol (s, b)
- struct symbol *s;
- struct block *b;
+add_symbol (struct symbol *s, struct block *b)
{
- int nsyms = BLOCK_NSYMS (b)++;
- struct block *origb;
- struct parse_stack *stackp;
-
- if (b == top_stack->cur_block &&
- nsyms >= top_stack->maxsyms)
- {
- complain (&block_overflow_complaint, SYMBOL_NAME (s));
- /* In this case shrink_block is actually grow_block, since
- BLOCK_NSYMS(b) is larger than its current size. */
- origb = b;
- b = shrink_block (top_stack->cur_block, top_stack->cur_st);
-
- /* Now run through the stack replacing pointers to the
- original block. shrink_block has already done this
- for the blockvector and BLOCK_FUNCTION. */
- for (stackp = top_stack; stackp; stackp = stackp->next)
- {
- if (stackp->cur_block == origb)
- {
- stackp->cur_block = b;
- stackp->maxsyms = BLOCK_NSYMS (b);
- }
- }
- }
- BLOCK_SYM (b, nsyms) = s;
+ dict_add_symbol (BLOCK_DICT (b), s);
}
/* Add a new block B to a symtab S */
static void
-add_block (b, s)
- struct block *b;
- struct symtab *s;
+add_block (struct block *b, struct symtab *s)
{
struct blockvector *bv = BLOCKVECTOR (s);
- bv = (struct blockvector *) xrealloc ((PTR) bv,
+ bv = (struct blockvector *) xrealloc ((void *) bv,
(sizeof (struct blockvector)
+ BLOCKVECTOR_NBLOCKS (bv)
* sizeof (bv->block)));
This is another reason why -ggdb debugging format is preferable. */
static int
-add_line (lt, lineno, adr, last)
- struct linetable *lt;
- int lineno;
- CORE_ADDR adr;
- int last;
+add_line (struct linetable *lt, int lineno, CORE_ADDR adr, int last)
{
/* DEC c89 sometimes produces zero linenos which confuse gdb.
Change them to something sensible. */
/* Blocks with a smaller low bound should come first */
static int
-compare_blocks (arg1, arg2)
- const PTR arg1;
- const PTR arg2;
+compare_blocks (const void *arg1, const void *arg2)
{
- register int addr_diff;
+ LONGEST addr_diff;
struct block **b1 = (struct block **) arg1;
struct block **b2 = (struct block **) arg2;
as required by some MI search routines */
static void
-sort_blocks (s)
- struct symtab *s;
+sort_blocks (struct symtab *s)
{
struct blockvector *bv = BLOCKVECTOR (s);
compare_blocks);
{
- register CORE_ADDR high = 0;
- register int i, j = BLOCKVECTOR_NBLOCKS (bv);
+ CORE_ADDR high = 0;
+ int i, j = BLOCKVECTOR_NBLOCKS (bv);
for (i = FIRST_LOCAL_BLOCK; i < j; i++)
if (high < BLOCK_END (BLOCKVECTOR_BLOCK (bv, i)))
/* Constructor/restructor/destructor procedures */
-/* Allocate a new symtab for NAME. Needs an estimate of how many symbols
- MAXSYMS and linenumbers MAXLINES we'll put in it */
+/* Allocate a new symtab for NAME. Needs an estimate of how many
+ linenumbers MAXLINES we'll put in it */
static struct symtab *
-new_symtab (name, maxsyms, maxlines, objfile)
- char *name;
- int maxsyms;
- int maxlines;
- struct objfile *objfile;
+new_symtab (char *name, int maxlines, struct objfile *objfile)
{
struct symtab *s = allocate_symtab (name, objfile);
/* All symtabs must have at least two blocks */
BLOCKVECTOR (s) = new_bvect (2);
- BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK) = new_block (maxsyms);
- BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK) = new_block (maxsyms);
+ BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK)
+ = new_block (NON_FUNCTION_BLOCK);
+ BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK)
+ = new_block (NON_FUNCTION_BLOCK);
BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK)) =
BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK);
s->free_code = free_linetable;
s->debugformat = obsavestring ("ECOFF", 5,
- &objfile -> symbol_obstack);
+ &objfile->objfile_obstack);
return (s);
}
/* Allocate a new partial_symtab NAME */
static struct partial_symtab *
-new_psymtab (name, objfile, section_offsets)
- char *name;
- struct objfile *objfile;
- struct section_offsets *section_offsets;
+new_psymtab (char *name, struct objfile *objfile)
{
struct partial_symtab *psymtab;
psymtab = allocate_psymtab (name, objfile);
- psymtab->section_offsets = section_offsets;
+ psymtab->section_offsets = objfile->section_offsets;
/* Keep a backpointer to the file's symbols */
psymtab->read_symtab_private = ((char *)
- obstack_alloc (&objfile->psymbol_obstack,
+ obstack_alloc (&objfile->objfile_obstack,
sizeof (struct symloc)));
- memset ((PTR) psymtab->read_symtab_private, 0, sizeof (struct symloc));
+ memset (psymtab->read_symtab_private, 0, sizeof (struct symloc));
CUR_BFD (psymtab) = cur_bfd;
DEBUG_SWAP (psymtab) = debug_swap;
DEBUG_INFO (psymtab) = debug_info;
proper size to allocate. */
static struct linetable *
-new_linetable (size)
- int size;
+new_linetable (int size)
{
struct linetable *l;
calculating the proper size to allocate. */
static struct linetable *
-shrink_linetable (lt)
- struct linetable *lt;
+shrink_linetable (struct linetable *lt)
{
- return (struct linetable *) xrealloc ((PTR) lt,
+ return (struct linetable *) xrealloc ((void *) lt,
(sizeof (struct linetable)
+ ((lt->nitems - 1)
* sizeof (lt->item))));
/* Allocate and zero a new blockvector of NBLOCKS blocks. */
static struct blockvector *
-new_bvect (nblocks)
- int nblocks;
+new_bvect (int nblocks)
{
struct blockvector *bv;
int size;
return bv;
}
-/* Allocate and zero a new block of MAXSYMS symbols */
+/* Allocate and zero a new block, and set its BLOCK_DICT. If function
+ is non-zero, assume the block is associated to a function, and make
+ sure that the symbols are stored linearly; otherwise, store them
+ hashed. */
static struct block *
-new_block (maxsyms)
- int maxsyms;
+new_block (enum block_type type)
{
- int size = sizeof (struct block) + (maxsyms - 1) * sizeof (struct symbol *);
+ /* FIXME: carlton/2003-09-11: This should use allocate_block to
+ allocate the block. Which, in turn, suggests that the block
+ should be allocated on an obstack. */
+ struct block *retval = xzalloc (sizeof (struct block));
- return (struct block *) xzalloc (size);
-}
-
-/* Ooops, too big. Shrink block B in symtab S to its minimal size.
- Shrink_block can also be used by add_symbol to grow a block. */
-
-static struct block *
-shrink_block (b, s)
- struct block *b;
- struct symtab *s;
-{
- struct block *new;
- struct blockvector *bv = BLOCKVECTOR (s);
- int i;
+ if (type == FUNCTION_BLOCK)
+ BLOCK_DICT (retval) = dict_create_linear_expandable ();
+ else
+ BLOCK_DICT (retval) = dict_create_hashed_expandable ();
- /* Just reallocate it and fix references to the old one */
-
- new = (struct block *) xrealloc ((PTR) b,
- (sizeof (struct block)
- + ((BLOCK_NSYMS (b) - 1)
- * sizeof (struct symbol *))));
-
- /* Should chase pointers to old one. Fortunately, that`s just
- the block`s function and inferior blocks */
- if (BLOCK_FUNCTION (new) && SYMBOL_BLOCK_VALUE (BLOCK_FUNCTION (new)) == b)
- SYMBOL_BLOCK_VALUE (BLOCK_FUNCTION (new)) = new;
- for (i = 0; i < BLOCKVECTOR_NBLOCKS (bv); i++)
- if (BLOCKVECTOR_BLOCK (bv, i) == b)
- BLOCKVECTOR_BLOCK (bv, i) = new;
- else if (BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (bv, i)) == b)
- BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (bv, i)) = new;
- return new;
+ return retval;
}
/* Create a new symbol with printname NAME */
static struct symbol *
-new_symbol (name)
- char *name;
+new_symbol (char *name)
{
struct symbol *s = ((struct symbol *)
- obstack_alloc (¤t_objfile->symbol_obstack,
+ obstack_alloc (¤t_objfile->objfile_obstack,
sizeof (struct symbol)));
- memset ((PTR) s, 0, sizeof (*s));
- SYMBOL_NAME (s) = obsavestring (name, strlen (name),
- ¤t_objfile->symbol_obstack);
+ memset (s, 0, sizeof (*s));
SYMBOL_LANGUAGE (s) = psymtab_language;
- SYMBOL_INIT_DEMANGLED_NAME (s, ¤t_objfile->symbol_obstack);
+ SYMBOL_SET_NAMES (s, name, strlen (name), current_objfile);
return s;
}
/* Create a new type with printname NAME */
static struct type *
-new_type (name)
- char *name;
+new_type (char *name)
{
struct type *t;
it as normal. */
void
-elfmdebug_build_psymtabs (objfile, swap, sec, section_offsets)
- struct objfile *objfile;
- const struct ecoff_debug_swap *swap;
- asection *sec;
- struct section_offsets *section_offsets;
+elfmdebug_build_psymtabs (struct objfile *objfile,
+ const struct ecoff_debug_swap *swap, asection *sec)
{
bfd *abfd = objfile->obfd;
struct ecoff_debug_info *info;
+ struct cleanup *back_to;
+
+ /* FIXME: It's not clear whether we should be getting minimal symbol
+ information from .mdebug in an ELF file, or whether we will.
+ Re-initialize the minimal symbol reader in case we do. */
+
+ init_minimal_symbol_collection ();
+ back_to = make_cleanup_discard_minimal_symbols ();
info = ((struct ecoff_debug_info *)
- obstack_alloc (&objfile->psymbol_obstack,
+ obstack_alloc (&objfile->objfile_obstack,
sizeof (struct ecoff_debug_info)));
if (!(*swap->read_debug_info) (abfd, sec, info))
error ("Error reading ECOFF debugging information: %s",
bfd_errmsg (bfd_get_error ()));
- mdebug_build_psymtabs (objfile, swap, info, section_offsets);
-}
-\f
-
-/* Things used for calling functions in the inferior.
- These functions are exported to our companion
- mips-tdep.c file and are here because they play
- with the symbol-table explicitly. */
-
-/* Sigtramp: make sure we have all the necessary information
- about the signal trampoline code. Since the official code
- from MIPS does not do so, we make up that information ourselves.
- If they fix the library (unlikely) this code will neutralize itself. */
-
-/* FIXME: This function is called only by mips-tdep.c. It needs to be
- here because it calls functions defined in this file, but perhaps
- this could be handled in a better way. Only compile it in when
- tm-mips.h is included. */
+ mdebug_build_psymtabs (objfile, swap, info);
-#ifdef TM_MIPS_H
-
-void
-fixup_sigtramp ()
-{
- struct symbol *s;
- struct symtab *st;
- struct block *b, *b0 = NULL;
-
- sigtramp_address = -1;
-
- /* We have to handle the following cases here:
- a) The Mips library has a sigtramp label within sigvec.
- b) Irix has a _sigtramp which we want to use, but it also has sigvec. */
- s = lookup_symbol ("sigvec", 0, VAR_NAMESPACE, 0, NULL);
- if (s != 0)
- {
- b0 = SYMBOL_BLOCK_VALUE (s);
- s = lookup_symbol ("sigtramp", b0, VAR_NAMESPACE, 0, NULL);
- }
- if (s == 0)
- {
- /* No sigvec or no sigtramp inside sigvec, try _sigtramp. */
- s = lookup_symbol ("_sigtramp", 0, VAR_NAMESPACE, 0, NULL);
- }
-
- /* But maybe this program uses its own version of sigvec */
- if (s == 0)
- return;
-
- /* Did we or MIPSco fix the library ? */
- if (SYMBOL_CLASS (s) == LOC_BLOCK)
- {
- sigtramp_address = BLOCK_START (SYMBOL_BLOCK_VALUE (s));
- sigtramp_end = BLOCK_END (SYMBOL_BLOCK_VALUE (s));
- return;
- }
-
- sigtramp_address = SYMBOL_VALUE (s);
- sigtramp_end = sigtramp_address + 0x88; /* black magic */
-
- /* But what symtab does it live in ? */
- st = find_pc_symtab (SYMBOL_VALUE (s));
-
- /*
- * Ok, there goes the fix: turn it into a procedure, with all the
- * needed info. Note we make it a nested procedure of sigvec,
- * which is the way the (assembly) code is actually written.
- */
- SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
- SYMBOL_CLASS (s) = LOC_BLOCK;
- SYMBOL_TYPE (s) = init_type (TYPE_CODE_FUNC, 4, 0, (char *) NULL,
- st->objfile);
- TYPE_TARGET_TYPE (SYMBOL_TYPE (s)) = mdebug_type_void;
-
- /* Need a block to allocate MIPS_EFI_SYMBOL_NAME in */
- b = new_block (1);
- SYMBOL_BLOCK_VALUE (s) = b;
- BLOCK_START (b) = sigtramp_address;
- BLOCK_END (b) = sigtramp_end;
- BLOCK_FUNCTION (b) = s;
- BLOCK_SUPERBLOCK (b) = BLOCK_SUPERBLOCK (b0);
- add_block (b, st);
- sort_blocks (st);
-
- /* Make a MIPS_EFI_SYMBOL_NAME entry for it */
- {
- struct mips_extra_func_info *e =
- ((struct mips_extra_func_info *)
- xzalloc (sizeof (struct mips_extra_func_info)));
-
- e->numargs = 0; /* the kernel thinks otherwise */
- e->pdr.frameoffset = 32;
- e->pdr.framereg = SP_REGNUM;
- /* Note that setting pcreg is no longer strictly necessary as
- mips_frame_saved_pc is now aware of signal handler frames. */
- e->pdr.pcreg = PC_REGNUM;
- e->pdr.regmask = -2;
- /* Offset to saved r31, in the sigtramp case the saved registers
- are above the frame in the sigcontext.
- We have 4 alignment bytes, 12 bytes for onstack, mask and pc,
- 32 * 4 bytes for the general registers, 12 bytes for mdhi, mdlo, ownedfp
- and 32 * 4 bytes for the floating point registers. */
- e->pdr.regoffset = 4 + 12 + 31 * 4;
- e->pdr.fregmask = -1;
- /* Offset to saved f30 (first saved *double* register). */
- e->pdr.fregoffset = 4 + 12 + 32 * 4 + 12 + 30 * 4;
- e->pdr.isym = (long) s;
- e->pdr.adr = sigtramp_address;
-
- current_objfile = st->objfile; /* Keep new_symbol happy */
- s = new_symbol (MIPS_EFI_SYMBOL_NAME);
- SYMBOL_VALUE (s) = (long) e;
- SYMBOL_NAMESPACE (s) = LABEL_NAMESPACE;
- SYMBOL_CLASS (s) = LOC_CONST;
- SYMBOL_TYPE (s) = mdebug_type_void;
- current_objfile = NULL;
- }
-
- BLOCK_SYM (b, BLOCK_NSYMS (b)++) = s;
+ install_minimal_symbols (objfile);
+ do_cleanups (back_to);
}
-#endif /* TM_MIPS_H */
-
void
-_initialize_mdebugread ()
+_initialize_mdebugread (void)
{
mdebug_type_void =
init_type (TYPE_CODE_VOID, 1,
init_type (TYPE_CODE_INT, 8,
0,
"long long", (struct objfile *) NULL);
- mdebug_type_unsigned_long_long_64 =
+ mdebug_type_unsigned_long_long_64 =
init_type (TYPE_CODE_INT, 8,
TYPE_FLAG_UNSIGNED,
"unsigned long long", (struct objfile *) NULL);
projects / binutils.git / blobdiff