/* Shared code to pre-read a stab (dbx-style), when building a psymtab.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
Free Software Foundation, Inc.
This file is part of GDB.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* The following need to be defined:
SET_NAMESTRING() --Set namestring to name of symbol.
CUR_SYMBOL_TYPE --Type code of current symbol.
CUR_SYMBOL_VALUE --Value field of current symbol. May be adjusted here.
+ namestring - variable pointing to the name of the stab.
+ section_offsets - variable pointing to the section offsets.
+ pst - the partial symbol table being built.
+
+ psymtab_include_list, includes_used, includes_allocated - list of include
+ file names (N_SOL) seen so far.
+ dependency_list, dependencies_used, dependencies_allocated - list of
+ N_EXCL stabs seen so far.
+
+ END_PSYMTAB -- end a partial symbol table.
+ START_PSYMTAB -- start a partial symbol table.
*/
/* End of macro definitions, now let's handle them symbols! */
|| (namestring [(nsl = strlen (namestring)) - 1] == 'o'
&& namestring [nsl - 2] == '.')
#ifdef GDB_TARGET_IS_HPPA
- /* some cooperation from gcc to get around ld stupidity */
+ /* This braindamage is necessary for versions of GCC 2.6 and
+ earlier; it will not be necessary for GCC 2.7.
+
+ In a nutshell, we need a way to determine when we've hit
+ the end of a file with debug symbols. Most ports do this
+ with a N_SO record with a NULL symbol name (as will GCC 2.7
+ on the PA). GCC 2.6 (and earlier) on the PA instead creates
+ an N_TEXT symbol with the name "end_file." */
|| (namestring[0] == 'e' && STREQ (namestring, "end_file."))
#endif
)
char *p;
valu = CUR_SYMBOL_VALUE + ANOFFSET (section_offsets, SECT_OFF_TEXT);
+#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 (CUR_SYMBOL_VALUE == 0)
+ valu = 0;
+#endif
past_first_source_file = 1;
SET_NAMESTRING();
+ /* 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 '/',
{
case 'S':
CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA);
+#ifdef STATIC_TRANSFORM_NAME
+ namestring = STATIC_TRANSFORM_NAME (namestring);
+#endif
ADD_PSYMBOL_ADDR_TO_LIST (namestring, p - namestring,
VAR_NAMESPACE, LOC_STATIC,
objfile->static_psymbols,
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.
/* Check for and handle cretinous dbx symbol name
continuation! */
- if (*p == '\\')
+ if (*p == '\\' || (*p == '?' && p[1] == '\0'))
p = next_symbol_text ();
/* Point to the character after the name
continue;
case 'f':
+ CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT);
#ifdef DBXREAD_ONLY
/* Kludges for ELF/STABS with Sun ACC */
last_function_name = namestring;
- if (pst && pst->textlow == 0)
- pst->textlow = CUR_SYMBOL_VALUE;
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+ /* Do not fix textlow==0 for .o or NLM files, as 0 is a legit
+ value for the bottom of the text seg in those cases. */
+ if (pst && pst->textlow == 0 && !symfile_relocatable)
+ pst->textlow =
+ find_stab_function_addr (namestring, pst, objfile);
+#endif
#if 0
if (startup_file_end == 0)
startup_file_end = CUR_SYMBOL_VALUE;
are put into the global psymtab like one would expect.
They're also in the minimal symbol table. */
case 'F':
+ CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT);
#ifdef DBXREAD_ONLY
/* Kludges for ELF/STABS with Sun ACC */
last_function_name = namestring;
- if (pst && pst->textlow == 0)
- pst->textlow = CUR_SYMBOL_VALUE;
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+ /* Do not fix textlow==0 for .o or NLM files, as 0 is a legit
+ value for the bottom of the text seg in those cases. */
+ if (pst && pst->textlow == 0 && !symfile_relocatable)
+ pst->textlow =
+ find_stab_function_addr (namestring, pst, objfile);
+#endif
#if 0
if (startup_file_end == 0)
startup_file_end = CUR_SYMBOL_VALUE;
case '7':
case '8':
case '9':
+ case '-':
continue;
- default:
- /* Unexpected symbol. Ignore it; perhaps it is an extension
- that we don't know about.
-
- Someone says sun cc puts out symbols like
+ 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. */
+
complain (&unknown_symchar_complaint, p[1]);
+
+ /* Ignore it; perhaps it is an extension that we don't
+ know about. */
continue;
}
#endif
}
}
- else
- error ("Invalid symbol data: \"repeated\" header file not previously seen, at symtab pos %d.",
- symnum);
}
#endif /* DBXREAD_ONLY */
continue;
/* If we haven't found it yet, ignore it. It's probably some
new type we don't know about yet. */
complain (&unknown_symtype_complaint,
- local_hex_string ((unsigned long) CUR_SYMBOL_TYPE));
+ local_hex_string (CUR_SYMBOL_TYPE));
continue;
}
projects / deliverable / binutils-gdb.git / blobdiff