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Diffstat (limited to 'gdb/somread.c')
| -rw-r--r-- | gdb/somread.c | 803 |
1 files changed, 0 insertions, 803 deletions
diff --git a/gdb/somread.c b/gdb/somread.c deleted file mode 100644 index c03abd0..0000000 --- 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); -} |