static bfd_boolean
read_symbol_stabs_debugging_info (bfd *abfd, asymbol **syms, long symcount,
void *dhandle, bfd_boolean *pfound)
{
void *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;
f = NULL;
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;
}
/* Don't free f, since I think the stabs code expects
strings to hang around. This should be straightened out.
FIXME. */
}
}
free_saved_stabs ();
if (shandle != NULL)
{
if (! finish_stab (dhandle, shandle))
return FALSE;
}
return TRUE;
}
static bfd_boolean
read_section_stabs_debugging_info (bfd *abfd, asymbol **syms, long symcount,
void *dhandle, bfd_boolean *pfound)
{
static struct
{
const char *secname;
const char *strsecname;
}
names[] =
{
{ ".stab", ".stabstr" },
{ "LC_SYMTAB.stabs", "LC_SYMTAB.stabstr" },
{ "$GDB_SYMBOLS$", "$GDB_STRINGS$" }
};
unsigned int i;
void *shandle;
*pfound = FALSE;
shandle = NULL;
for (i = 0; i < sizeof names / sizeof names[0]; i++)
{
asection *sec, *strsec;
sec = bfd_get_section_by_name (abfd, names[i].secname);
strsec = bfd_get_section_by_name (abfd, names[i].strsecname);
if (sec != NULL && strsec != NULL)
{
bfd_size_type stabsize, strsize;
bfd_byte *stabs, *strings;
bfd_byte *stab;
bfd_size_type stroff, next_stroff;
stabsize = bfd_section_size (abfd, sec);
stabs = (bfd_byte *) xmalloc (stabsize);
if (! bfd_get_section_contents (abfd, sec, stabs, 0, stabsize))
{
fprintf (stderr, "%s: %s: %s\n",
bfd_get_filename (abfd), names[i].secname,
bfd_errmsg (bfd_get_error ()));
return FALSE;
}
strsize = bfd_section_size (abfd, strsec);
strings = (bfd_byte *) xmalloc (strsize + 1);
if (! bfd_get_section_contents (abfd, strsec, strings, 0, strsize))
{
fprintf (stderr, "%s: %s: %s\n",
bfd_get_filename (abfd), names[i].strsecname,
bfd_errmsg (bfd_get_error ()));
return FALSE;
}
/* Zero terminate the strings table, just in case. */
strings [strsize] = 0;
if (shandle == NULL)
{
shandle = start_stab (dhandle, abfd, TRUE, syms, symcount);
if (shandle == NULL)
return FALSE;
}
*pfound = TRUE;
stroff = 0;
next_stroff = 0;
/* PR 17512: file: 078-60391-0.001:0.1. */
for (stab = stabs; stab <= (stabs + stabsize) - 12; stab += 12)
{
unsigned int strx;
int type;
int other ATTRIBUTE_UNUSED;
int desc;
bfd_vma value;
/* This code presumes 32 bit values. */
strx = bfd_get_32 (abfd, stab);
type = bfd_get_8 (abfd, stab + 4);
other = bfd_get_8 (abfd, stab + 5);
desc = bfd_get_16 (abfd, stab + 6);
value = bfd_get_32 (abfd, stab + 8);
if (type == 0)
{
/* Special type 0 stabs indicate the offset to the
next string table. */
stroff = next_stroff;
next_stroff += value;
}
else
{
size_t len;
char *f, *s;
if (stroff + strx >= strsize)
{
fprintf (stderr, _("%s: %s: stab entry %ld is corrupt, strx = 0x%x, type = %d\n"),
bfd_get_filename (abfd), names[i].secname,
(long) (stab - stabs) / 12, strx, type);
continue;
}
s = (char *) strings + stroff + strx;
f = NULL;
/* PR 17512: file: 002-87578-0.001:0.1.
It is possible to craft a file where, without the 'strlen (s) > 0',
an attempt to read the byte before 'strings' would occur. */
while ((len = strlen (s)) > 0
&& s[len - 1] == '\\'
&& stab + 12 < stabs + stabsize)
{
char *p;
stab += 12;
p = s + len - 1;
*p = '\0';
strx = stroff + bfd_get_32 (abfd, stab);
if (strx >= strsize)
{
fprintf (stderr, _("%s: %s: stab entry %ld is corrupt\n"),
bfd_get_filename (abfd), names[i].secname,
(long) (stab - stabs) / 12);
break;
}
else
s = concat (s, (char *) strings + strx,
(const char *) NULL);
/* We have to restore the backslash, because, if
the linker is hashing stabs strings, we may
see the same string more than once. */
*p = '\\';
if (f != NULL)
free (f);
f = s;
}
save_stab (type, desc, value, s);
if (! parse_stab (dhandle, shandle, type, desc, value, s))
{
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
straightened out. FIXME. */
}
}
free_saved_stabs ();
free (stabs);
/* Don't free strings, since I think the stabs code expects
the strings to hang around. This should be straightened
out. FIXME. */
}
}
if (shandle != NULL)
{
if (! finish_stab (dhandle, shandle))
return FALSE;
}
return TRUE;
}
static bfd_boolean
read_section_stabs_debugging_info (bfd *abfd, asymbol **syms, long symcount,
void *dhandle, bfd_boolean *pfound)
{
static struct
{
const char *secname;
const char *strsecname;
} names[] = { { ".stab", ".stabstr" },
{ "LC_SYMTAB.stabs", "LC_SYMTAB.stabstr" } };
unsigned int i;
void *shandle;
*pfound = FALSE;
shandle = NULL;
for (i = 0; i < sizeof names / sizeof names[0]; i++)
{
asection *sec, *strsec;
sec = bfd_get_section_by_name (abfd, names[i].secname);
strsec = bfd_get_section_by_name (abfd, names[i].strsecname);
if (sec != NULL && strsec != NULL)
{
bfd_size_type stabsize, strsize;
bfd_byte *stabs, *strings;
bfd_byte *stab;
bfd_size_type stroff, next_stroff;
stabsize = bfd_section_size (abfd, sec);
stabs = (bfd_byte *) xmalloc (stabsize);
if (! bfd_get_section_contents (abfd, sec, stabs, 0, stabsize))
{
fprintf (stderr, "%s: %s: %s\n",
bfd_get_filename (abfd), names[i].secname,
bfd_errmsg (bfd_get_error ()));
return FALSE;
}
strsize = bfd_section_size (abfd, strsec);
strings = (bfd_byte *) xmalloc (strsize);
if (! bfd_get_section_contents (abfd, strsec, strings, 0, strsize))
{
fprintf (stderr, "%s: %s: %s\n",
bfd_get_filename (abfd), names[i].strsecname,
bfd_errmsg (bfd_get_error ()));
return FALSE;
}
if (shandle == NULL)
{
shandle = start_stab (dhandle, abfd, TRUE, syms, symcount);
if (shandle == NULL)
return FALSE;
}
*pfound = TRUE;
stroff = 0;
next_stroff = 0;
for (stab = stabs; stab < (stabs + stabsize); stab += 12)
{
unsigned int strx;
int type;
int other;
int desc;
bfd_vma value;
/* This code presumes 32 bit values: */
strx = bfd_get_32(abfd, stab);
type = bfd_get_8(abfd, stab + 4);
other = bfd_get_8(abfd, stab + 5);
desc = bfd_get_16(abfd, stab + 6);
value = bfd_get_32(abfd, stab + 8);
if (type == 0)
{
/* Special type 0 stabs indicate the offset to the
next string table. */
stroff = next_stroff;
next_stroff += value;
}
else
{
char *f, *s;
f = NULL;
if ((stroff + strx) > strsize)
{
fprintf(stderr,
"%s: %s: stab entry %ld is corrupt, strx = 0x%x, type = %d, other = %d\n",
bfd_get_filename(abfd), names[i].secname,
(long)(stab - stabs) / 12, strx, type,
other);
continue;
}
s = (char *) strings + stroff + strx;
while (s[strlen (s) - 1] == '\\'
&& stab + 12 < stabs + stabsize)
{
char *p;
stab += 12;
p = s + strlen (s) - 1;
*p = '\0';
s = concat (s,
((char *) strings
+ stroff
+ bfd_get_32 (abfd, stab)),
(const char *) NULL);
/* We have to restore the backslash, because, if
the linker is hashing stabs strings, we may
see the same string more than once. */
*p = '\\';
if (f != NULL)
free (f);
f = s;
}
save_stab (type, desc, value, s);
if (! parse_stab (dhandle, shandle, type, desc, value, s))
{
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
straightened out. FIXME. */
}
}
free_saved_stabs ();
free (stabs);
/* Don't free strings, since I think the stabs code expects
the strings to hang around. This should be straightened
out. FIXME. */
}
}
if (shandle != NULL)
{
if (! finish_stab (dhandle, shandle))
return FALSE;
}
return TRUE;
}