* stabs.c (struct stab_handle): Add field abfd.
(start_stab): Add abfd parameter. (parse_stab_string): Skip the symbol leading char when searching for the value of a global symbol. * budbg.h (start_stab): Update declaration. * rddbg.c (read_section_stabs_debugging_info): Pass abfd to start_stab. (read_symbol_stabs_debugging_info): Likewise.
This commit is contained in:
Ian Lance Taylor
parent
c3dffbd7cd
commit
15731fdc0b
|
|
@ -1,3 +1,27 @@
|
|||
Fri Mar 22 15:49:08 1996 Ian Lance Taylor <ian@cygnus.com>
|
||||
|
||||
* stabs.c (struct stab_handle): Add field abfd.
|
||||
(start_stab): Add abfd parameter.
|
||||
(parse_stab_string): Skip the symbol leading char when searching
|
||||
for the value of a global symbol.
|
||||
* budbg.h (start_stab): Update declaration.
|
||||
* rddbg.c (read_section_stabs_debugging_info): Pass abfd to
|
||||
start_stab.
|
||||
(read_symbol_stabs_debugging_info): Likewise.
|
||||
|
||||
Thu Mar 21 12:40:48 1996 Ian Lance Taylor <ian@cygnus.com>
|
||||
|
||||
* wrstabs.c (stab_function_type): Output an empty typedef for an
|
||||
unused argument, rather than making up a meaningless name.
|
||||
(stab_variable): Use N_RSYM for a DEBUG_REGISTER variable.
|
||||
|
||||
* ieee.c (struct ieee_info): Add global_vars field.
|
||||
(parse_ieee_be): When ending the global typedef block, copy the
|
||||
variables into info->global_vars.
|
||||
(parse_ieee_atn): Don't require an NN record for a pmisc ATN.
|
||||
(ieee_read_reference): Search the global variables after the local
|
||||
variables.
|
||||
|
||||
Wed Mar 20 18:08:19 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
|
||||
|
||||
* objdump.c (disassemble_data): Make sure sym_name is always set.
|
||||
|
|
|
|||
|
|
@ -32,17 +32,23 @@ extern PTR read_debugging_info PARAMS ((bfd *, asymbol **, long));
|
|||
|
||||
extern boolean print_debugging_info PARAMS ((FILE *, PTR));
|
||||
|
||||
/* Routines used to read stabs information. */
|
||||
/* Routines used to read and write stabs information. */
|
||||
|
||||
extern PTR start_stab PARAMS ((PTR, boolean));
|
||||
extern PTR start_stab PARAMS ((PTR, bfd *, boolean, asymbol **, long));
|
||||
|
||||
extern boolean finish_stab PARAMS ((PTR, PTR));
|
||||
|
||||
extern boolean parse_stab PARAMS ((PTR, PTR, int, int, bfd_vma, const char *));
|
||||
|
||||
/* Routine used to read IEEE information. */
|
||||
extern boolean write_stabs_in_sections_debugging_info
|
||||
PARAMS ((bfd *, PTR, bfd_byte **, bfd_size_type *, bfd_byte **,
|
||||
bfd_size_type *));
|
||||
|
||||
/* Routines used to read and write IEEE debugging information. */
|
||||
|
||||
extern boolean parse_ieee
|
||||
PARAMS ((PTR, bfd *, const bfd_byte *, bfd_size_type));
|
||||
|
||||
extern boolean write_ieee_debugging_info PARAMS ((bfd *, PTR));
|
||||
|
||||
#endif
|
||||
|
|
|
|||
244
binutils/rddbg.c
244
binutils/rddbg.c
|
|
@ -1,5 +1,5 @@
|
|||
/* rddbg.c -- Read debugging information into a generic form.
|
||||
Copyright (C) 1995 Free Software Foundation, Inc.
|
||||
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
|
||||
Written by Ian Lance Taylor <ian@cygnus.com>.
|
||||
|
||||
This file is part of GNU Binutils.
|
||||
|
|
@ -30,14 +30,22 @@
|
|||
#include "budbg.h"
|
||||
|
||||
static boolean read_section_stabs_debugging_info
|
||||
PARAMS ((bfd *, PTR, boolean *));
|
||||
PARAMS ((bfd *, asymbol **, long, PTR, boolean *));
|
||||
static boolean read_symbol_stabs_debugging_info
|
||||
PARAMS ((bfd *, asymbol **, long, PTR, boolean *));
|
||||
static boolean read_ieee_debugging_info PARAMS ((bfd *, PTR, boolean *));
|
||||
static void save_stab PARAMS ((int, int, bfd_vma, const char *));
|
||||
static void stab_context PARAMS ((void));
|
||||
static void free_saved_stabs PARAMS ((void));
|
||||
|
||||
/* Read debugging information from a BFD. Returns a generic debugging
|
||||
pointer. */
|
||||
|
||||
PTR
|
||||
read_debugging_info (abfd)
|
||||
read_debugging_info (abfd, syms, symcount)
|
||||
bfd *abfd;
|
||||
asymbol **syms;
|
||||
long symcount;
|
||||
{
|
||||
PTR dhandle;
|
||||
boolean found;
|
||||
|
|
@ -46,11 +54,25 @@ read_debugging_info (abfd)
|
|||
if (dhandle == NULL)
|
||||
return NULL;
|
||||
|
||||
/* All we know about right now is stabs in sections. */
|
||||
/* All we know about right now is stabs. */
|
||||
|
||||
if (! read_section_stabs_debugging_info (abfd, dhandle, &found))
|
||||
if (! read_section_stabs_debugging_info (abfd, syms, symcount, dhandle,
|
||||
&found))
|
||||
return NULL;
|
||||
|
||||
if (bfd_get_flavour (abfd) == bfd_target_aout_flavour)
|
||||
{
|
||||
if (! read_symbol_stabs_debugging_info (abfd, syms, symcount, dhandle,
|
||||
&found))
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (bfd_get_flavour (abfd) == bfd_target_ieee_flavour)
|
||||
{
|
||||
if (! read_ieee_debugging_info (abfd, dhandle, &found))
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (! found)
|
||||
{
|
||||
fprintf (stderr, "%s: no recognized debugging information\n",
|
||||
|
|
@ -64,8 +86,10 @@ read_debugging_info (abfd)
|
|||
/* Read stabs in sections debugging information from a BFD. */
|
||||
|
||||
static boolean
|
||||
read_section_stabs_debugging_info (abfd, dhandle, pfound)
|
||||
read_section_stabs_debugging_info (abfd, syms, symcount, dhandle, pfound)
|
||||
bfd *abfd;
|
||||
asymbol **syms;
|
||||
long symcount;
|
||||
PTR dhandle;
|
||||
boolean *pfound;
|
||||
{
|
||||
|
|
@ -115,7 +139,7 @@ read_section_stabs_debugging_info (abfd, dhandle, pfound)
|
|||
|
||||
if (shandle == NULL)
|
||||
{
|
||||
shandle = start_stab (dhandle);
|
||||
shandle = start_stab (dhandle, abfd, true, syms, symcount);
|
||||
if (shandle == NULL)
|
||||
return false;
|
||||
}
|
||||
|
|
@ -168,8 +192,14 @@ read_section_stabs_debugging_info (abfd, dhandle, pfound)
|
|||
f = s;
|
||||
}
|
||||
|
||||
save_stab (type, desc, value, s);
|
||||
|
||||
if (! parse_stab (dhandle, shandle, type, desc, value, s))
|
||||
return false;
|
||||
{
|
||||
stab_context ();
|
||||
free_saved_stabs ();
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Don't free f, since I think the stabs code
|
||||
expects strings to hang around. This should be
|
||||
|
|
@ -177,6 +207,7 @@ read_section_stabs_debugging_info (abfd, dhandle, pfound)
|
|||
}
|
||||
}
|
||||
|
||||
free_saved_stabs ();
|
||||
free (stabs);
|
||||
|
||||
/* Don't free strings, since I think the stabs code expects
|
||||
|
|
@ -193,3 +224,200 @@ read_section_stabs_debugging_info (abfd, dhandle, pfound)
|
|||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Read stabs in the symbol table. */
|
||||
|
||||
static boolean
|
||||
read_symbol_stabs_debugging_info (abfd, syms, symcount, dhandle, pfound)
|
||||
bfd *abfd;
|
||||
asymbol **syms;
|
||||
long symcount;
|
||||
PTR dhandle;
|
||||
boolean *pfound;
|
||||
{
|
||||
PTR shandle;
|
||||
asymbol **ps, **symend;
|
||||
|
||||
shandle = NULL;
|
||||
symend = syms + symcount;
|
||||
for (ps = syms; ps < symend; ps++)
|
||||
{
|
||||
symbol_info i;
|
||||
|
||||
bfd_get_symbol_info (abfd, *ps, &i);
|
||||
|
||||
if (i.type == '-')
|
||||
{
|
||||
const char *s;
|
||||
char *f;
|
||||
|
||||
if (shandle == NULL)
|
||||
{
|
||||
shandle = start_stab (dhandle, abfd, false, syms, symcount);
|
||||
if (shandle == NULL)
|
||||
return false;
|
||||
}
|
||||
|
||||
*pfound = true;
|
||||
|
||||
s = i.name;
|
||||
while (s[strlen (s) - 1] == '\\'
|
||||
&& ps + 1 < symend)
|
||||
{
|
||||
char *sc, *n;
|
||||
|
||||
++ps;
|
||||
sc = xstrdup (s);
|
||||
sc[strlen (sc) - 1] = '\0';
|
||||
n = concat (sc, bfd_asymbol_name (*ps), (const char *) NULL);
|
||||
free (sc);
|
||||
if (f != NULL)
|
||||
free (f);
|
||||
f = n;
|
||||
s = n;
|
||||
}
|
||||
|
||||
save_stab (i.stab_type, i.stab_desc, i.value, s);
|
||||
|
||||
if (! parse_stab (dhandle, shandle, i.stab_type, i.stab_desc,
|
||||
i.value, s))
|
||||
{
|
||||
stab_context ();
|
||||
free_saved_stabs ();
|
||||
return false;
|
||||
}
|
||||
|
||||
free_saved_stabs ();
|
||||
|
||||
/* Don't free f, since I think the stabs code expects
|
||||
strings to hang around. This should be straightened out.
|
||||
FIXME. */
|
||||
}
|
||||
}
|
||||
|
||||
if (shandle != NULL)
|
||||
{
|
||||
if (! finish_stab (dhandle, shandle))
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Read IEEE debugging information. */
|
||||
|
||||
static boolean
|
||||
read_ieee_debugging_info (abfd, dhandle, pfound)
|
||||
bfd *abfd;
|
||||
PTR dhandle;
|
||||
boolean *pfound;
|
||||
{
|
||||
asection *dsec;
|
||||
bfd_size_type size;
|
||||
bfd_byte *contents;
|
||||
|
||||
/* The BFD backend puts the debugging information into a section
|
||||
named .debug. */
|
||||
|
||||
dsec = bfd_get_section_by_name (abfd, ".debug");
|
||||
if (dsec == NULL)
|
||||
return true;
|
||||
|
||||
size = bfd_section_size (abfd, dsec);
|
||||
contents = (bfd_byte *) xmalloc (size);
|
||||
if (! bfd_get_section_contents (abfd, dsec, contents, 0, size))
|
||||
return false;
|
||||
|
||||
if (! parse_ieee (dhandle, abfd, contents, size))
|
||||
return false;
|
||||
|
||||
free (contents);
|
||||
|
||||
*pfound = true;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Record stabs strings, so that we can give some context for errors. */
|
||||
|
||||
#define SAVE_STABS_COUNT (16)
|
||||
|
||||
struct saved_stab
|
||||
{
|
||||
int type;
|
||||
int desc;
|
||||
bfd_vma value;
|
||||
char *string;
|
||||
};
|
||||
|
||||
static struct saved_stab saved_stabs[SAVE_STABS_COUNT];
|
||||
static int saved_stabs_index;
|
||||
|
||||
/* Save a stabs string. */
|
||||
|
||||
static void
|
||||
save_stab (type, desc, value, string)
|
||||
int type;
|
||||
int desc;
|
||||
bfd_vma value;
|
||||
const char *string;
|
||||
{
|
||||
if (saved_stabs[saved_stabs_index].string != NULL)
|
||||
free (saved_stabs[saved_stabs_index].string);
|
||||
saved_stabs[saved_stabs_index].type = type;
|
||||
saved_stabs[saved_stabs_index].desc = desc;
|
||||
saved_stabs[saved_stabs_index].value = value;
|
||||
saved_stabs[saved_stabs_index].string = xstrdup (string);
|
||||
saved_stabs_index = (saved_stabs_index + 1) % SAVE_STABS_COUNT;
|
||||
}
|
||||
|
||||
/* Provide context for an error. */
|
||||
|
||||
static void
|
||||
stab_context ()
|
||||
{
|
||||
int i;
|
||||
|
||||
fprintf (stderr, "Last stabs entries before error:\n");
|
||||
fprintf (stderr, "n_type n_desc n_value string\n");
|
||||
|
||||
i = saved_stabs_index;
|
||||
do
|
||||
{
|
||||
struct saved_stab *stabp;
|
||||
|
||||
stabp = saved_stabs + i;
|
||||
if (stabp->string != NULL)
|
||||
{
|
||||
const char *s;
|
||||
|
||||
s = bfd_get_stab_name (stabp->type);
|
||||
if (s != NULL)
|
||||
fprintf (stderr, "%-6s", s);
|
||||
else if (stabp->type == 0)
|
||||
fprintf (stderr, "HdrSym");
|
||||
else
|
||||
fprintf (stderr, "%-6d", stabp->type);
|
||||
fprintf (stderr, " %-6d ", stabp->desc);
|
||||
fprintf_vma (stderr, stabp->value);
|
||||
if (stabp->type != 0)
|
||||
fprintf (stderr, " %s", stabp->string);
|
||||
fprintf (stderr, "\n");
|
||||
}
|
||||
i = (i + 1) % SAVE_STABS_COUNT;
|
||||
}
|
||||
while (i != saved_stabs_index);
|
||||
}
|
||||
|
||||
/* Free the saved stab strings. */
|
||||
|
||||
static void
|
||||
free_saved_stabs ()
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < SAVE_STABS_COUNT; i++)
|
||||
if (saved_stabs[i].string != NULL)
|
||||
free (saved_stabs[i].string);
|
||||
saved_stabs_index = 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue