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* mdebugread.c (parse_symbol): Skip stProc entries which storage

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class is not scText. These do not define "real" procedures.
       (parse_partial_symbols): Likewise.
This commit is contained in:
Joel Brobecker 2003-01-07 07:09:25 +00:00
parent d8b3e9ee2a
commit 1fb4c65b23
2 changed files with 71 additions and 22 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2003-01-07 J. Brobecker <brobecker@gnat.com>
* mdebugread.c (parse_symbol): Skip stProc entries which storage
class is not scText. These do not define "real" procedures.
(parse_partial_symbols): Likewise.
2003-01-06 Michael Snyder <msnyder@redhat.com>
* lin-lwp.c: Added or elaborated on "debug lin-lwp" info.

87
gdb/mdebugread.c
View File

@ -751,6 +751,38 @@ parse_symbol (SYMR *sh, union aux_ext *ax, char *ext_sh, int bigend,
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_CLASS (s) = LOC_BLOCK;
@ -3328,6 +3360,39 @@ parse_partial_symbols (struct objfile *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
@ -3350,30 +3415,8 @@ parse_partial_symbols (struct objfile *objfile)
&objfile->static_psymbols,
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. */
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. */
complaint (&symfile_complaints,
"bad proc end in aux found from symbol %s",
name);
new_sdx = cur_sdx + 1; /* Don't skip backward */
}
cur_sdx = new_sdx;
(*swap_sym_in) (cur_bfd,
((char *) debug_info->external_sym