Copyright 1991, 1992, 1996, 1999 Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "bfd.h"
struct section_offsets *));
static struct section_offsets *
-som_symfile_offsets PARAMS ((struct objfile *, CORE_ADDR));
+ som_symfile_offsets PARAMS ((struct objfile *, CORE_ADDR));
/* FIXME: These should really be in a common header somewhere */
/*
-LOCAL FUNCTION
+ LOCAL FUNCTION
- som_symtab_read -- read the symbol table of a SOM file
+ som_symtab_read -- read the symbol table of a SOM file
-SYNOPSIS
+ SYNOPSIS
- void som_symtab_read (bfd *abfd, struct objfile *objfile,
- struct section_offsets *section_offsets)
+ void som_symtab_read (bfd *abfd, struct objfile *objfile,
+ struct section_offsets *section_offsets)
-DESCRIPTION
+ DESCRIPTION
- Given an open bfd, a base address to relocate symbols to, and a
- flag that specifies whether or not this bfd is for an executable
- or not (may be shared library for example), add all the global
- function and data symbols to the minimal symbol table.
-*/
+ Given an open bfd, a base address to relocate symbols to, and a
+ flag that specifies whether or not this bfd is for an executable
+ or not (may be shared library for example), add all the global
+ function and data symbols to the minimal symbol table.
+ */
static void
som_symtab_read (abfd, objfile, section_offsets)
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. */
+ the stubs, while the ST_CODE symbol is the real
+ function. */
if (dynamic)
ms_type = mst_solib_trampoline;
else
check_strange_names:
/* Utah GCC 2.5, FSF GCC 2.6 and later generate correct local
- label prefixes for stabs, constant data, etc. So we need
- only filter out L$ symbols which are left in due to
- limitations in how GAS generates SOM relocations.
-
- When linking in the HPUX C-library the HP linker has
- the nasty habit of placing section symbols from the literal
- subspaces in the middle of the program's text. Filter
- those out as best we can. Check for first and last character
- being '$'.
-
- And finally, the newer HP compilers emit crud like $PIC_foo$N
- in some circumstance (PIC code I guess). It's also claimed
- that they emit D$ symbols too. What stupidity. */
+ label prefixes for stabs, constant data, etc. So we need
+ only filter out L$ symbols which are left in due to
+ limitations in how GAS generates SOM relocations.
+
+ When linking in the HPUX C-library the HP linker has
+ the nasty habit of placing section symbols from the literal
+ subspaces in the middle of the program's text. Filter
+ those out as best we can. Check for first and last character
+ being '$'.
+
+ And finally, the newer HP compilers emit crud like $PIC_foo$N
+ in some circumstance (PIC code I guess). It's also claimed
+ that they emit D$ symbols too. What stupidity. */
if ((symname[0] == 'L' && symname[1] == '$')
- || (symname[0] == '$' && symname[strlen(symname) - 1] == '$')
+ || (symname[0] == '$' && symname[strlen (symname) - 1] == '$')
|| (symname[0] == 'D' && symname[1] == '$')
|| (strncmp (symname, "$PIC", 4) == 0))
continue;
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. */
+ the stubs, while the ST_CODE symbol is the real
+ function. */
if (dynamic)
ms_type = mst_solib_trampoline;
else
}
break;
- /* This can happen for common symbols when -E is passed to the
- final link. No idea _why_ that would make the linker force
- common symbols to have an SS_UNSAT scope, but it does.
+ /* This can happen for common symbols when -E is passed to the
+ final link. No idea _why_ that would make the linker force
+ common symbols to have an SS_UNSAT scope, but it does.
- This also happens for weak symbols, but their type is
- ST_DATA. */
+ This also happens for weak symbols, but their type is
+ ST_DATA. */
case SS_UNSAT:
switch (bufp->symbol_type)
{
- case ST_STORAGE:
- case ST_DATA:
- symname = bufp->name.n_strx + stringtab;
- bufp->symbol_value += data_offset;
- ms_type = mst_data;
- break;
-
- default:
- continue;
+ case ST_STORAGE:
+ case ST_DATA:
+ symname = bufp->name.n_strx + stringtab;
+ bufp->symbol_value += data_offset;
+ ms_type = mst_data;
+ break;
+
+ default:
+ continue;
}
break;
error ("Invalid symbol data; bad HP string table offset: %d",
bufp->name.n_strx);
- prim_record_minimal_symbol (symname, bufp->symbol_value, ms_type,
+ prim_record_minimal_symbol (symname, bufp->symbol_value, ms_type,
objfile);
}
}
hp-symtab-read.c to handle static vars declared in other
shared libraries. */
init_import_symbols (objfile);
-#if 0 /* Export symbols not used today 1997-08-05 */
+#if 0 /* Export symbols not used today 1997-08-05 */
init_export_symbols (objfile);
#else
objfile->export_list = NULL;
This reads in the DNTT and string table, but doesn't
actually scan the DNTT. It does scan the linker symbol
table and thus build up a "minimal symbol table". */
-
+
som_symtab_read (abfd, objfile, section_offsets);
/* Now read information from the stabs debug sections.
This is a no-op for SOM.
Perhaps it is intended for some kind of mixed STABS/SOM
- situation? */
+ situation? */
stabsect_build_psymtabs (objfile, section_offsets, mainline,
"$GDB_SYMBOLS$", "$GDB_STRINGS$", "$TEXT$");
som_symfile_finish (objfile)
struct objfile *objfile;
{
- if (objfile -> sym_stab_info != NULL)
+ if (objfile->sym_stab_info != NULL)
{
- mfree (objfile -> md, objfile -> sym_stab_info);
+ mfree (objfile->md, objfile->sym_stab_info);
}
hpread_symfile_finish (objfile);
}
objfile->num_sections = SECT_OFF_MAX;
section_offsets = (struct section_offsets *)
- obstack_alloc (&objfile -> psymbol_obstack, SIZEOF_SECTION_OFFSETS);
+ obstack_alloc (&objfile->psymbol_obstack, SIZEOF_SECTION_OFFSETS);
/* First see if we're a shared library. If so, get the section
offsets from the library, else get them from addr. */
1 => true, 0 => false
This is used in hp_symtab_read.c to deal with static variables
that are defined in a different shared library than the one
- whose symbols are being processed. */
+ whose symbols are being processed. */
-int is_in_import_list (name, objfile)
- char * name;
- struct objfile * objfile;
+int
+is_in_import_list (name, objfile)
+ char *name;
+ struct objfile *objfile;
{
register int i;
!*name)
return 0;
- for (i=0; i < objfile->import_list_size; i++)
+ for (i = 0; i < objfile->import_list_size; i++)
if (objfile->import_list[i] && STREQ (name, objfile->import_list[i]))
- return 1;
+ return 1;
return 0;
}
Return value = number of import symbols read in. */
int
init_import_symbols (objfile)
- struct objfile * objfile;
+ struct objfile *objfile;
{
unsigned int import_list;
unsigned int import_list_size;
unsigned int string_table;
unsigned int string_table_size;
- char * string_buffer;
+ char *string_buffer;
register int i;
register int j;
register int k;
- asection * text_section; /* section handle */
- unsigned int dl_header[12]; /* SOM executable header */
+ asection *text_section; /* section handle */
+ unsigned int dl_header[12]; /* SOM executable header */
/* A struct for an entry in the SOM import list */
- typedef struct {
- int name; /* index into the string table */
- short dont_care1; /* we don't use this */
- unsigned char type; /* 0 = NULL, 2 = Data, 3 = Code, 7 = Storage, 13 = Plabel */
- unsigned int reserved2 : 8; /* not used */
- } SomImportEntry;
-
- /* We read 100 entries in at a time from the disk file. */
-# define SOM_READ_IMPORTS_NUM 100
-# define SOM_READ_IMPORTS_CHUNK_SIZE (sizeof (SomImportEntry) * SOM_READ_IMPORTS_NUM)
+ typedef struct
+ {
+ int name; /* index into the string table */
+ short dont_care1; /* we don't use this */
+ unsigned char type; /* 0 = NULL, 2 = Data, 3 = Code, 7 = Storage, 13 = Plabel */
+ unsigned int reserved2:8; /* not used */
+ }
+ SomImportEntry;
+
+ /* We read 100 entries in at a time from the disk file. */
+#define SOM_READ_IMPORTS_NUM 100
+#define SOM_READ_IMPORTS_CHUNK_SIZE (sizeof (SomImportEntry) * SOM_READ_IMPORTS_NUM)
SomImportEntry buffer[SOM_READ_IMPORTS_NUM];
-
+
/* Initialize in case we error out */
objfile->import_list = NULL;
objfile->import_list_size = 0;
/* It doesn't work, for some reason, to read in space $TEXT$;
- the subspace $SHLIB_INFO$ has to be used. Some BFD quirk? pai/1997-08-05 */
+ the subspace $SHLIB_INFO$ has to be used. Some BFD quirk? pai/1997-08-05 */
text_section = bfd_get_section_by_name (objfile->obfd, "$SHLIB_INFO$");
if (!text_section)
return 0;
- /* Get the SOM executable header */
+ /* Get the SOM executable header */
bfd_get_section_contents (objfile->obfd, text_section, dl_header, 0, 12 * sizeof (int));
/* Check header version number for 10.x HP-UX */
/* Currently we deal only with 10.x systems; on 9.x the version # is 89060912.
- FIXME: Change for future HP-UX releases and mods to the SOM executable format */
+ FIXME: Change for future HP-UX releases and mods to the SOM executable format */
if (dl_header[0] != 93092112)
return 0;
-
- import_list = dl_header[4];
+
+ import_list = dl_header[4];
import_list_size = dl_header[5];
if (!import_list_size)
return 0;
- string_table = dl_header[10];
+ string_table = dl_header[10];
string_table_size = dl_header[11];
if (!string_table_size)
return 0;
- /* Suck in SOM string table */
+ /* Suck in SOM string table */
string_buffer = (char *) xmalloc (string_table_size);
bfd_get_section_contents (objfile->obfd, text_section, string_buffer,
- string_table, string_table_size);
+ string_table, string_table_size);
/* Allocate import list in the psymbol obstack; this has nothing
to do with psymbols, just a matter of convenience. We want the
- import list to be freed when the objfile is deallocated */
+ import list to be freed when the objfile is deallocated */
objfile->import_list
= (ImportEntry *) obstack_alloc (&objfile->psymbol_obstack,
- import_list_size * sizeof (ImportEntry));
+ import_list_size * sizeof (ImportEntry));
- /* Read in the import entries, a bunch at a time */
- for (j=0, k=0;
+ /* Read in the import entries, a bunch at a time */
+ for (j = 0, k = 0;
j < (import_list_size / SOM_READ_IMPORTS_NUM);
j++)
{
bfd_get_section_contents (objfile->obfd, text_section, buffer,
- import_list + j * SOM_READ_IMPORTS_CHUNK_SIZE,
- SOM_READ_IMPORTS_CHUNK_SIZE);
- for (i=0; i < SOM_READ_IMPORTS_NUM; i++, k++)
- {
- if (buffer[i].type != (unsigned char) 0)
- {
- objfile->import_list[k]
- = (char *) obstack_alloc (&objfile->psymbol_obstack, strlen (string_buffer + buffer[i].name) + 1);
- strcpy (objfile->import_list[k], string_buffer + buffer[i].name);
- /* Some day we might want to record the type and other information too */
- }
- else /* null type */
- objfile->import_list[k] = NULL;
-
- }
+ import_list + j * SOM_READ_IMPORTS_CHUNK_SIZE,
+ SOM_READ_IMPORTS_CHUNK_SIZE);
+ for (i = 0; i < SOM_READ_IMPORTS_NUM; i++, k++)
+ {
+ if (buffer[i].type != (unsigned char) 0)
+ {
+ objfile->import_list[k]
+ = (char *) obstack_alloc (&objfile->psymbol_obstack, strlen (string_buffer + buffer[i].name) + 1);
+ strcpy (objfile->import_list[k], string_buffer + buffer[i].name);
+ /* Some day we might want to record the type and other information too */
+ }
+ else /* null type */
+ objfile->import_list[k] = NULL;
+
+ }
}
- /* Get the leftovers */
+ /* Get the leftovers */
if (k < import_list_size)
bfd_get_section_contents (objfile->obfd, text_section, buffer,
- import_list + k * sizeof (SomImportEntry),
- (import_list_size - k) * sizeof (SomImportEntry));
- for (i=0; k < import_list_size; i++, k++)
+ import_list + k * sizeof (SomImportEntry),
+ (import_list_size - k) * sizeof (SomImportEntry));
+ for (i = 0; k < import_list_size; i++, k++)
{
if (buffer[i].type != (unsigned char) 0)
- {
- objfile->import_list[k]
- = (char *) obstack_alloc (&objfile->psymbol_obstack, strlen (string_buffer + buffer[i].name) + 1);
- strcpy (objfile->import_list[k], string_buffer + buffer[i].name);
- /* Some day we might want to record the type and other information too */
- }
+ {
+ objfile->import_list[k]
+ = (char *) obstack_alloc (&objfile->psymbol_obstack, strlen (string_buffer + buffer[i].name) + 1);
+ strcpy (objfile->import_list[k], string_buffer + buffer[i].name);
+ /* Some day we might want to record the type and other information too */
+ }
else
- objfile->import_list[k] = NULL;
+ objfile->import_list[k] = NULL;
}
objfile->import_list_size = import_list_size;
Return value = number of import symbols read in. */
int
init_export_symbols (objfile)
- struct objfile * objfile;
+ struct objfile *objfile;
{
unsigned int export_list;
unsigned int export_list_size;
unsigned int string_table;
unsigned int string_table_size;
- char * string_buffer;
+ char *string_buffer;
register int i;
register int j;
register int k;
- asection * text_section; /* section handle */
- unsigned int dl_header[12]; /* SOM executable header */
+ asection *text_section; /* section handle */
+ unsigned int dl_header[12]; /* SOM executable header */
/* A struct for an entry in the SOM export list */
- typedef struct {
- int next; /* for hash table use -- we don't use this */
- int name; /* index into string table */
- int value; /* offset or plabel */
- int dont_care1; /* not used */
- unsigned char type; /* 0 = NULL, 2 = Data, 3 = Code, 7 = Storage, 13 = Plabel */
- char dont_care2; /* not used */
- short dont_care3; /* not used */
- } SomExportEntry;
-
- /* We read 100 entries in at a time from the disk file. */
-# define SOM_READ_EXPORTS_NUM 100
-# define SOM_READ_EXPORTS_CHUNK_SIZE (sizeof (SomExportEntry) * SOM_READ_EXPORTS_NUM)
+ typedef struct
+ {
+ int next; /* for hash table use -- we don't use this */
+ int name; /* index into string table */
+ int value; /* offset or plabel */
+ int dont_care1; /* not used */
+ unsigned char type; /* 0 = NULL, 2 = Data, 3 = Code, 7 = Storage, 13 = Plabel */
+ char dont_care2; /* not used */
+ short dont_care3; /* not used */
+ }
+ SomExportEntry;
+
+ /* We read 100 entries in at a time from the disk file. */
+#define SOM_READ_EXPORTS_NUM 100
+#define SOM_READ_EXPORTS_CHUNK_SIZE (sizeof (SomExportEntry) * SOM_READ_EXPORTS_NUM)
SomExportEntry buffer[SOM_READ_EXPORTS_NUM];
/* Initialize in case we error out */
objfile->export_list_size = 0;
/* It doesn't work, for some reason, to read in space $TEXT$;
- the subspace $SHLIB_INFO$ has to be used. Some BFD quirk? pai/1997-08-05 */
+ the subspace $SHLIB_INFO$ has to be used. Some BFD quirk? pai/1997-08-05 */
text_section = bfd_get_section_by_name (objfile->obfd, "$SHLIB_INFO$");
if (!text_section)
return 0;
- /* Get the SOM executable header */
+ /* Get the SOM executable header */
bfd_get_section_contents (objfile->obfd, text_section, dl_header, 0, 12 * sizeof (int));
/* Check header version number for 10.x HP-UX */
/* Currently we deal only with 10.x systems; on 9.x the version # is 89060912.
- FIXME: Change for future HP-UX releases and mods to the SOM executable format */
+ FIXME: Change for future HP-UX releases and mods to the SOM executable format */
if (dl_header[0] != 93092112)
return 0;
-
- export_list = dl_header[8];
- export_list_size = dl_header[9];
+
+ export_list = dl_header[8];
+ export_list_size = dl_header[9];
if (!export_list_size)
return 0;
- string_table = dl_header[10];
+ string_table = dl_header[10];
string_table_size = dl_header[11];
if (!string_table_size)
return 0;
- /* Suck in SOM string table */
+ /* Suck in SOM string table */
string_buffer = (char *) xmalloc (string_table_size);
bfd_get_section_contents (objfile->obfd, text_section, string_buffer,
- string_table, string_table_size);
+ string_table, string_table_size);
/* Allocate export list in the psymbol obstack; this has nothing
to do with psymbols, just a matter of convenience. We want the
- export list to be freed when the objfile is deallocated */
+ export list to be freed when the objfile is deallocated */
objfile->export_list
- = (ExportEntry *) obstack_alloc (&objfile->psymbol_obstack,
- export_list_size * sizeof (ExportEntry));
+ = (ExportEntry *) obstack_alloc (&objfile->psymbol_obstack,
+ export_list_size * sizeof (ExportEntry));
- /* Read in the export entries, a bunch at a time */
- for (j=0, k=0;
+ /* Read in the export entries, a bunch at a time */
+ for (j = 0, k = 0;
j < (export_list_size / SOM_READ_EXPORTS_NUM);
j++)
{
bfd_get_section_contents (objfile->obfd, text_section, buffer,
- export_list + j * SOM_READ_EXPORTS_CHUNK_SIZE,
- SOM_READ_EXPORTS_CHUNK_SIZE);
- for (i=0; i < SOM_READ_EXPORTS_NUM; i++, k++)
- {
- if (buffer[i].type != (unsigned char) 0)
- {
- objfile->export_list[k].name
- = (char *) obstack_alloc (&objfile->psymbol_obstack, strlen (string_buffer + buffer[i].name) + 1);
- strcpy (objfile->export_list[k].name, string_buffer + buffer[i].name);
- objfile->export_list[k].address = buffer[i].value;
- /* Some day we might want to record the type and other information too */
- }
- else /* null type */
- {
- objfile->export_list[k].name = NULL;
- objfile->export_list[k].address = 0;
- }
- }
+ export_list + j * SOM_READ_EXPORTS_CHUNK_SIZE,
+ SOM_READ_EXPORTS_CHUNK_SIZE);
+ for (i = 0; i < SOM_READ_EXPORTS_NUM; i++, k++)
+ {
+ if (buffer[i].type != (unsigned char) 0)
+ {
+ objfile->export_list[k].name
+ = (char *) obstack_alloc (&objfile->psymbol_obstack, strlen (string_buffer + buffer[i].name) + 1);
+ strcpy (objfile->export_list[k].name, string_buffer + buffer[i].name);
+ objfile->export_list[k].address = buffer[i].value;
+ /* Some day we might want to record the type and other information too */
+ }
+ else
+ /* null type */
+ {
+ objfile->export_list[k].name = NULL;
+ objfile->export_list[k].address = 0;
+ }
+ }
}
- /* Get the leftovers */
+ /* Get the leftovers */
if (k < export_list_size)
bfd_get_section_contents (objfile->obfd, text_section, buffer,
- export_list + k * sizeof (SomExportEntry),
- (export_list_size - k) * sizeof (SomExportEntry));
- for (i=0; k < export_list_size; i++, k++)
+ export_list + k * sizeof (SomExportEntry),
+ (export_list_size - k) * sizeof (SomExportEntry));
+ for (i = 0; k < export_list_size; i++, k++)
{
if (buffer[i].type != (unsigned char) 0)
- {
- objfile->export_list[k].name
- = (char *) obstack_alloc (&objfile->psymbol_obstack, strlen (string_buffer + buffer[i].name) + 1);
- strcpy (objfile->export_list[k].name, string_buffer + buffer[i].name);
- /* Some day we might want to record the type and other information too */
- objfile->export_list[k].address = buffer[i].value;
- }
+ {
+ objfile->export_list[k].name
+ = (char *) obstack_alloc (&objfile->psymbol_obstack, strlen (string_buffer + buffer[i].name) + 1);
+ strcpy (objfile->export_list[k].name, string_buffer + buffer[i].name);
+ /* Some day we might want to record the type and other information too */
+ objfile->export_list[k].address = buffer[i].value;
+ }
else
- {
- objfile->export_list[k].name = NULL;
- objfile->export_list[k].address = 0;
- }
+ {
+ objfile->export_list[k].name = NULL;
+ objfile->export_list[k].address = 0;
+ }
}
objfile->export_list_size = export_list_size;
free (string_buffer);
return export_list_size;
}
+\f
-\f
/* Register that we are able to handle SOM object file formats. */
static struct sym_fns som_sym_fns =
{
bfd_target_som_flavour,
- som_new_init, /* sym_new_init: init anything gbl to entire symtab */
- som_symfile_init, /* sym_init: read initial info, setup for sym_read() */
- som_symfile_read, /* sym_read: read a symbol file into symtab */
- som_symfile_finish, /* sym_finish: finished with file, cleanup */
- som_symfile_offsets, /* sym_offsets: Translate ext. to int. relocation */
- NULL /* next: pointer to next struct sym_fns */
+ som_new_init, /* sym_new_init: init anything gbl to entire symtab */
+ som_symfile_init, /* sym_init: read initial info, setup for sym_read() */
+ som_symfile_read, /* sym_read: read a symbol file into symtab */
+ som_symfile_finish, /* sym_finish: finished with file, cleanup */
+ som_symfile_offsets, /* sym_offsets: Translate ext. to int. relocation */
+ NULL /* next: pointer to next struct sym_fns */
};
void
projects / thirdparty / binutils-gdb.git / blobdiff