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-rw-r--r--gdb/somread.c803
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diff --git a/gdb/somread.c b/gdb/somread.c
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--- a/gdb/somread.c
+++ /dev/null
@@ -1,803 +0,0 @@
-/* Read HP PA/Risc object files for GDB.
- Copyright 1991, 1992, 1996 Free Software Foundation, Inc.
- Written by Fred Fish at Cygnus Support.
-
-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 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. */
-
-#include "defs.h"
-#include "bfd.h"
-#include <syms.h>
-#include "symtab.h"
-#include "symfile.h"
-#include "objfiles.h"
-#include "buildsym.h"
-#include "stabsread.h"
-#include "gdb-stabs.h"
-#include "complaints.h"
-#include "gdb_string.h"
-#include "demangle.h"
-#include "som.h"
-#include "libhppa.h"
-
-/* Various things we might complain about... */
-
-static void
-som_symfile_init PARAMS ((struct objfile *));
-
-static void
-som_new_init PARAMS ((struct objfile *));
-
-static void
-som_symfile_read PARAMS ((struct objfile *, struct section_offsets *, int));
-
-static void
-som_symfile_finish PARAMS ((struct objfile *));
-
-static void
-som_symtab_read PARAMS ((bfd *, struct objfile *,
- struct section_offsets *));
-
-static struct section_offsets *
-som_symfile_offsets PARAMS ((struct objfile *, CORE_ADDR));
-
-/* FIXME: These should really be in a common header somewhere */
-
-extern void
-hpread_build_psymtabs PARAMS ((struct objfile *, struct section_offsets *, int));
-
-extern void
-hpread_symfile_finish PARAMS ((struct objfile *));
-
-extern void
-hpread_symfile_init PARAMS ((struct objfile *));
-
-extern void
-do_pxdb PARAMS ((bfd *));
-
-/*
-
-LOCAL FUNCTION
-
- som_symtab_read -- read the symbol table of a SOM file
-
-SYNOPSIS
-
- void som_symtab_read (bfd *abfd, struct objfile *objfile,
- struct section_offsets *section_offsets)
-
-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.
-*/
-
-static void
-som_symtab_read (abfd, objfile, section_offsets)
- bfd *abfd;
- struct objfile *objfile;
- struct section_offsets *section_offsets;
-{
- unsigned int number_of_symbols;
- int val, dynamic;
- char *stringtab;
- asection *shlib_info;
- struct symbol_dictionary_record *buf, *bufp, *endbufp;
- char *symname;
- CONST int symsize = sizeof (struct symbol_dictionary_record);
- CORE_ADDR text_offset, data_offset;
-
-
- text_offset = ANOFFSET (section_offsets, 0);
- data_offset = ANOFFSET (section_offsets, 1);
-
- number_of_symbols = bfd_get_symcount (abfd);
-
- 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);
- if (val != symsize * number_of_symbols)
- error ("Couldn't read symbol dictionary!");
-
- 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);
- if (val != obj_som_stringtab_size (abfd))
- error ("Can't read in HP string table.");
-
- /* We need to determine if objfile is a dynamic executable (so we
- 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
- */
- dynamic = (text_offset != 0);
-
- endbufp = buf + number_of_symbols;
- for (bufp = buf; bufp < endbufp; ++bufp)
- {
- enum minimal_symbol_type ms_type;
-
- QUIT;
-
- switch (bufp->symbol_scope)
- {
- case SS_UNIVERSAL:
- case SS_EXTERNAL:
- switch (bufp->symbol_type)
- {
- case ST_SYM_EXT:
- case ST_ARG_EXT:
- continue;
-
- case ST_CODE:
- case ST_PRI_PROG:
- case ST_SEC_PROG:
- case ST_MILLICODE:
- 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
- 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_text;
- bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
- 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
- break;
-
- case ST_DATA:
- symname = bufp->name.n_strx + stringtab;
- bufp->symbol_value += data_offset;
- ms_type = mst_data;
- break;
- default:
- continue;
- }
- break;
-
-#if 0
- /* SS_GLOBAL and SS_LOCAL are two names for the same thing (!). */
- case SS_GLOBAL:
-#endif
- case SS_LOCAL:
- switch (bufp->symbol_type)
- {
- case ST_SYM_EXT:
- case ST_ARG_EXT:
- continue;
-
- case ST_CODE:
- 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
-
- 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. */
- if ((symname[0] == 'L' && symname[1] == '$')
- || (symname[0] == '$' && symname[strlen(symname) - 1] == '$')
- || (symname[0] == 'D' && symname[1] == '$')
- || (strncmp (symname, "$PIC", 4) == 0))
- continue;
- break;
-
- case ST_PRI_PROG:
- case ST_SEC_PROG:
- case ST_MILLICODE:
- 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
- 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;
- bufp->symbol_value += text_offset;
-#ifdef SMASH_TEXT_ADDRESS
- SMASH_TEXT_ADDRESS (bufp->symbol_value);
-#endif
- 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
- break;
-
-
- case ST_DATA:
- symname = bufp->name.n_strx + stringtab;
- bufp->symbol_value += data_offset;
- ms_type = mst_file_data;
- goto check_strange_names;
-
- default:
- continue;
- }
- 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 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;
- }
- break;
-
- default:
- continue;
- }
-
- if (bufp->name.n_strx > obj_som_stringtab_size (abfd))
- error ("Invalid symbol data; bad HP string table offset: %d",
- bufp->name.n_strx);
-
- prim_record_minimal_symbol (symname, bufp->symbol_value, ms_type,
- objfile);
- }
-}
-
-/* Scan and build partial symbols for a symbol file.
- We have been initialized by a call to som_symfile_init, which
- currently does nothing.
-
- SECTION_OFFSETS is a set of offsets to apply to relocate the symbols
- in each section. This is ignored, as it isn't needed for SOM.
-
- MAINLINE is true if we are reading the main symbol
- table (as opposed to a shared lib or dynamically loaded file).
-
- This function only does the minimum work necessary for letting the
- user "name" things symbolically; it does not read the entire symtab.
- Instead, it reads the external and static symbols and puts them in partial
- symbol tables. When more extensive information is requested of a
- file, the corresponding partial symbol table is mutated into a full
- fledged symbol table by going back and reading the symbols
- for real.
-
- We look for sections with specific names, to tell us what debug
- format to look for: FIXME!!!
-
- somstab_build_psymtabs() handles STABS symbols.
-
- Note that SOM files have a "minimal" symbol table, which is vaguely
- reminiscent of a COFF symbol table, but has only the minimal information
- necessary for linking. We process this also, and use the information to
- build gdb's minimal symbol table. This gives us some minimal debugging
- capability even for files compiled without -g. */
-
-static void
-som_symfile_read (objfile, section_offsets, mainline)
- struct objfile *objfile;
- struct section_offsets *section_offsets;
- int mainline;
-{
- bfd *abfd = objfile->obfd;
- struct cleanup *back_to;
-
- do_pxdb (symfile_bfd_open (objfile->name));
-
- init_minimal_symbol_collection ();
- back_to = make_cleanup ((make_cleanup_func) discard_minimal_symbols, 0);
-
- /* Read in the import list and the export list. Currently
- the export list isn't used; the import list is used in
- 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 */
- init_export_symbols (objfile);
-#else
- objfile->export_list = NULL;
- objfile->export_list_size = 0;
-#endif
-
- /* Process the normal SOM symbol table first.
- 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? */
- stabsect_build_psymtabs (objfile, section_offsets, mainline,
- "$GDB_SYMBOLS$", "$GDB_STRINGS$", "$TEXT$");
-
- /* Now read the native debug information.
- This builds the psymtab. This used to be done via a scan of
- the DNTT, but is now done via the PXDB-built quick-lookup tables
- together with a scan of the GNTT. See hp-psymtab-read.c. */
- hpread_build_psymtabs (objfile, section_offsets, mainline);
-
- /* Install any minimal symbols that have been collected as the current
- minimal symbols for this objfile.
- Further symbol-reading is done incrementally, file-by-file,
- in a step known as "psymtab-to-symtab" expansion. hp-symtab-read.c
- contains the code to do the actual DNTT scanning and symtab building. */
- install_minimal_symbols (objfile);
-
- /* Force hppa-tdep.c to re-read the unwind descriptors. */
- objfile->obj_private = NULL;
- do_cleanups (back_to);
-}
-
-/* Initialize anything that needs initializing when a completely new symbol
- file is specified (not just adding some symbols from another file, e.g. a
- shared library).
-
- We reinitialize buildsym, since we may be reading stabs from a SOM file. */
-
-static void
-som_new_init (ignore)
- struct objfile *ignore;
-{
- stabsread_new_init ();
- buildsym_new_init ();
-}
-
-/* Perform any local cleanups required when we are done with a particular
- objfile. I.E, we are in the process of discarding all symbol information
- for an objfile, freeing up all memory held for it, and unlinking the
- objfile struct from the global list of known objfiles. */
-
-static void
-som_symfile_finish (objfile)
- struct objfile *objfile;
-{
- if (objfile -> sym_stab_info != NULL)
- {
- mfree (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 objects may be reordered, so set OBJF_REORDERED. If we
- find this causes a significant slowdown in gdb then we could
- set it in the debug symbol readers only when necessary. */
- objfile->flags |= OBJF_REORDERED;
- hpread_symfile_init (objfile);
-}
-
-/* SOM specific parsing routine for section offsets.
-
- Plain and simple for now. */
-
-static struct section_offsets *
-som_symfile_offsets (objfile, addr)
- struct objfile *objfile;
- CORE_ADDR addr;
-{
- struct section_offsets *section_offsets;
- int i;
-
- objfile->num_sections = SECT_OFF_MAX;
- section_offsets = (struct 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. */
- if (!som_solib_section_offsets (objfile, section_offsets))
- {
- for (i = 0; i < SECT_OFF_MAX; i++)
- ANOFFSET (section_offsets, i) = addr;
- }
-
- return section_offsets;
-}
-
-
-
-/* Check if a given symbol NAME is in the import list
- of OBJFILE.
- 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. */
-
-int is_in_import_list (name, objfile)
- char * name;
- struct objfile * objfile;
-{
- register int i;
-
- if (!objfile ||
- !name ||
- !*name)
- return 0;
-
- for (i=0; i < objfile->import_list_size; i++)
- if (objfile->import_list[i] && STREQ (name, objfile->import_list[i]))
- return 1;
- return 0;
-}
-
-
-/* Read in and initialize the SOM import list which is present
- for all executables and shared libraries. The import list
- consists of the symbols that are referenced in OBJFILE but
- not defined there. (Variables that are imported are dealt
- with as "loc_indirect" vars.)
- Return value = number of import symbols read in. */
-int
-init_import_symbols (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;
- register int i;
- register int j;
- register int k;
- 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)
- SomImportEntry buffer[SOM_READ_IMPORTS_NUM];
-
- /* Initialize in case we error out */
- objfile->import_list = NULL;
- objfile->import_list_size = 0;
-
-#if 0 /* DEBUGGING */
- printf ("Processing import list for %s\n", objfile->name);
-#endif
-
- /* 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 */
- text_section = bfd_get_section_by_name (objfile->obfd, "$SHLIB_INFO$");
- if (!text_section)
- return 0;
- /* 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 */
- if (dl_header[0] != 93092112)
- return 0;
-
- import_list = dl_header[4];
- import_list_size = dl_header[5];
- if (!import_list_size)
- return 0;
- string_table = dl_header[10];
- string_table_size = dl_header[11];
- if (!string_table_size)
- return 0;
-
- /* 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);
-
- /* 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 */
- objfile->import_list
- = (ImportEntry *) obstack_alloc (&objfile->psymbol_obstack,
- import_list_size * sizeof (ImportEntry));
-
- /* 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;
-
-#if 0 /* DEBUGGING */
- printf ("Import String %d:%d (%d), type %d is %s\n", j, i, k,
- (int) buffer[i].type, objfile->import_list[k]);
-#endif
- }
- }
-
- /* 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++)
- {
- 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
- objfile->import_list[k] = NULL;
-#if 0 /* DEBUGGING */
- printf ("Import String F:%d (%d), type %d, is %s\n", i, k,
- (int) buffer[i].type, objfile->import_list[k]);
-#endif
- }
-
- objfile->import_list_size = import_list_size;
- free (string_buffer);
- return import_list_size;
-}
-
-/* Read in and initialize the SOM export list which is present
- for all executables and shared libraries. The import list
- consists of the symbols that are referenced in OBJFILE but
- not defined there. (Variables that are imported are dealt
- with as "loc_indirect" vars.)
- Return value = number of import symbols read in. */
-int
-init_export_symbols (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;
- register int i;
- register int j;
- register int k;
- 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)
- SomExportEntry buffer[SOM_READ_EXPORTS_NUM];
-
- /* Initialize in case we error out */
- objfile->export_list = NULL;
- objfile->export_list_size = 0;
-
-#if 0 /* DEBUGGING */
- printf ("Processing export list for %s\n", objfile->name);
-#endif
-
- /* 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 */
- text_section = bfd_get_section_by_name (objfile->obfd, "$SHLIB_INFO$");
- if (!text_section)
- return 0;
- /* 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 */
- if (dl_header[0] != 93092112)
- return 0;
-
- export_list = dl_header[8];
- export_list_size = dl_header[9];
- if (!export_list_size)
- return 0;
- string_table = dl_header[10];
- string_table_size = dl_header[11];
- if (!string_table_size)
- return 0;
-
- /* 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);
-
- /* 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 */
- objfile->export_list
- = (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;
- 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;
- }
-#if 0 /* DEBUGGING */
- printf ("Export String %d:%d (%d), type %d is %s\n", j, i, k,
- (int) buffer[i].type, objfile->export_list[k].name);
-#endif
- }
- }
-
- /* 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++)
- {
- 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;
- }
- else
- {
- objfile->export_list[k].name = NULL;
- objfile->export_list[k].address = 0;
- }
-#if 0 /* DEBUGGING */
- printf ("Export String F:%d (%d), type %d, value %x is %s\n", i, k,
- (int) buffer[i].type, buffer[i].value, objfile->export_list[k].name);
-#endif
- }
-
- objfile->export_list_size = export_list_size;
- free (string_buffer);
- return export_list_size;
-}
-
-
-
-/* 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 */
-};
-
-void
-_initialize_somread ()
-{
- add_symtab_fns (&som_sym_fns);
-}