/* Read HP PA/Risc object files for GDB.
- Copyright 1991, 1992, 1996, 1999 Free Software Foundation, Inc.
+ Copyright 1991, 1992, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support.
This file is part of GDB.
*/
static void
-som_symtab_read (abfd, objfile, section_offsets)
- bfd *abfd;
- struct objfile *objfile;
- struct section_offsets *section_offsets;
+som_symtab_read (bfd *abfd, struct objfile *objfile,
+ struct section_offsets *section_offsets)
{
unsigned int number_of_symbols;
int val, dynamic;
number_of_symbols = bfd_get_symcount (abfd);
+ /* FIXME (alloca): could be quite large. */
buf = alloca (symsize * number_of_symbols);
bfd_seek (abfd, obj_som_sym_filepos (abfd), SEEK_SET);
- val = bfd_read (buf, symsize * number_of_symbols, 1, abfd);
+ val = bfd_bread (buf, symsize * number_of_symbols, abfd);
if (val != symsize * number_of_symbols)
error ("Couldn't read symbol dictionary!");
+ /* FIXME (alloca): could be quite large. */
stringtab = alloca (obj_som_stringtab_size (abfd));
bfd_seek (abfd, obj_som_str_filepos (abfd), SEEK_SET);
- val = bfd_read (stringtab, obj_som_stringtab_size (abfd), 1, abfd);
+ val = bfd_bread (stringtab, obj_som_stringtab_size (abfd), abfd);
if (val != obj_som_stringtab_size (abfd))
error ("Can't read in HP string table.");
can do the right thing for ST_ENTRY vs ST_CODE symbols).
There's nothing in the header which easily allows us to do
- this. The only reliable way I know of is to check for the
- existance of a $SHLIB_INFO$ section with a non-zero size. */
- /* The code below is not a reliable way to check whether an
- * executable is dynamic, so I commented it out - RT
- * shlib_info = bfd_get_section_by_name (objfile->obfd, "$SHLIB_INFO$");
- * if (shlib_info)
- * dynamic = (bfd_section_size (objfile->obfd, shlib_info) != 0);
- * else
- * dynamic = 0;
- */
- /* I replaced the code with a simple check for text offset not being
- * zero. Still not 100% reliable, but a more reliable way of asking
- * "is this a dynamic executable?" than the above. RT
- */
+ this.
+
+ This code used to rely upon the existence of a $SHLIB_INFO$
+ section to make this determination. HP claims that it is
+ more accurate to check for a nonzero text offset, but they
+ have not provided any information about why that test is
+ more accurate. */
dynamic = (text_offset != 0);
endbufp = buf + number_of_symbols;
symname = bufp->name.n_strx + stringtab;
ms_type = mst_text;
bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
+ bufp->symbol_value = SMASH_TEXT_ADDRESS (bufp->symbol_value);
break;
case ST_ENTRY:
else
ms_type = mst_text;
bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
+ bufp->symbol_value = SMASH_TEXT_ADDRESS (bufp->symbol_value);
break;
case ST_STUB:
symname = bufp->name.n_strx + stringtab;
ms_type = mst_solib_trampoline;
bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
+ bufp->symbol_value = SMASH_TEXT_ADDRESS (bufp->symbol_value);
break;
case ST_DATA:
symname = bufp->name.n_strx + stringtab;
ms_type = mst_file_text;
bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
+ bufp->symbol_value = SMASH_TEXT_ADDRESS (bufp->symbol_value);
check_strange_names:
/* Utah GCC 2.5, FSF GCC 2.6 and later generate correct local
symname = bufp->name.n_strx + stringtab;
ms_type = mst_file_text;
bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
+ bufp->symbol_value = SMASH_TEXT_ADDRESS (bufp->symbol_value);
break;
case ST_ENTRY:
symname = bufp->name.n_strx + stringtab;
- /* For a dynamic executable, ST_ENTRY symbols are
- the stubs, while the ST_CODE symbol is the real
- function. */
- if (dynamic)
- ms_type = mst_solib_trampoline;
- else
- ms_type = mst_file_text;
+ /* SS_LOCAL symbols in a shared library do not have
+ export stubs, so we do not have to worry about
+ using mst_file_text vs mst_solib_trampoline here like
+ we do for SS_UNIVERSAL and SS_EXTERNAL symbols above. */
+ ms_type = mst_file_text;
bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
+ bufp->symbol_value = SMASH_TEXT_ADDRESS (bufp->symbol_value);
break;
case ST_STUB:
symname = bufp->name.n_strx + stringtab;
ms_type = mst_solib_trampoline;
bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
+ bufp->symbol_value = SMASH_TEXT_ADDRESS (bufp->symbol_value);
break;
capability even for files compiled without -g. */
static void
-som_symfile_read (objfile, mainline)
- struct objfile *objfile;
- int mainline;
+som_symfile_read (struct objfile *objfile, int mainline)
{
bfd *abfd = objfile->obfd;
struct cleanup *back_to;
We reinitialize buildsym, since we may be reading stabs from a SOM file. */
static void
-som_new_init (ignore)
- struct objfile *ignore;
+som_new_init (struct objfile *ignore)
{
stabsread_new_init ();
buildsym_new_init ();
objfile struct from the global list of known objfiles. */
static void
-som_symfile_finish (objfile)
- struct objfile *objfile;
+som_symfile_finish (struct objfile *objfile)
{
if (objfile->sym_stab_info != NULL)
{
- mfree (objfile->md, objfile->sym_stab_info);
+ xmfree (objfile->md, objfile->sym_stab_info);
}
hpread_symfile_finish (objfile);
}
/* SOM specific initialization routine for reading symbols. */
static void
-som_symfile_init (objfile)
- struct objfile *objfile;
+som_symfile_init (struct objfile *objfile)
{
/* SOM objects may be reordered, so set OBJF_REORDERED. If we
find this causes a significant slowdown in gdb then we could
Plain and simple for now. */
static void
-som_symfile_offsets (objfile, addrs)
- struct objfile *objfile;
- struct section_addr_info *addrs;
+som_symfile_offsets (struct objfile *objfile, struct section_addr_info *addrs)
{
int i;
CORE_ADDR text_addr;
text_addr = addrs->other[i].addr;
for (i = 0; i < SECT_OFF_MAX; i++)
- ANOFFSET (objfile->section_offsets, i) = text_addr;
+ (objfile->section_offsets)->offsets[i] = text_addr;
}
}
with as "loc_indirect" vars.)
Return value = number of import symbols read in. */
int
-init_import_symbols (objfile)
- struct objfile *objfile;
+init_import_symbols (struct objfile *objfile)
{
unsigned int import_list;
unsigned int import_list_size;
}
objfile->import_list_size = import_list_size;
- free (string_buffer);
+ xfree (string_buffer);
return import_list_size;
}
with as "loc_indirect" vars.)
Return value = number of import symbols read in. */
int
-init_export_symbols (objfile)
- struct objfile *objfile;
+init_export_symbols (struct objfile *objfile)
{
unsigned int export_list;
unsigned int export_list_size;
}
objfile->export_list_size = export_list_size;
- free (string_buffer);
+ xfree (string_buffer);
return export_list_size;
}
\f
};
void
-_initialize_somread ()
+_initialize_somread (void)
{
add_symtab_fns (&som_sym_fns);
}
projects / deliverable / binutils-gdb.git / blobdiff