-/*
-
- bfd backend for oasys objects.
+/* BFD back-end for oasys objects.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2001,
+ 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Written by Steve Chamberlain of Cygnus Support, <sac@cygnus.com>.
+ This file is part of BFD, the Binary File Descriptor library.
- Object files contain records in order:
+ 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 3 of the License, or
+ (at your option) any later version.
- optional header
- symbol records
- section records
- data records
- debugging records
- end record
+ 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-
- Written by Steve Chamberlain
- steve@cygnus.com
-
-
-
- */
-
-
-#include <ansidecl.h>
+#define UNDERSCORE_HACK 1
#include "sysdep.h"
#include "bfd.h"
+#include "safe-ctype.h"
#include "libbfd.h"
-#include "obstack.h"
#include "oasys.h"
#include "liboasys.h"
+/* Read in all the section data and relocation stuff too. */
-
-#define obstack_chunk_alloc malloc
-#define obstack_chunk_free free
-
-typedef void generic_symbol_type;
-
-
-void DEFUN(oasys_read_record,(abfd, record),
- bfd *abfd AND
- oasys_record_union_type *record)
+static bfd_boolean
+oasys_read_record (bfd *abfd, oasys_record_union_type *record)
{
-
- bfd_read(record, 1, sizeof(record->header), abfd);
-
- bfd_read(((char *)record )+ sizeof(record->header),
- 1, record->header.length - sizeof(record->header),
- abfd);
+ bfd_size_type amt = sizeof (record->header);
+
+ if (bfd_bread ((void *) record, amt, abfd) != amt)
+ return FALSE;
+
+ amt = record->header.length - sizeof (record->header);
+ if ((long) amt <= 0)
+ return TRUE;
+ if (bfd_bread ((void *) ((char *) record + sizeof (record->header)), amt, abfd)
+ != amt)
+ return FALSE;
+ return TRUE;
}
+
static size_t
-oasys_string_length(record)
-oasys_record_union_type *record;
+oasys_string_length (oasys_record_union_type *record)
{
-return record->header.length
- - ((char *)record->symbol.name - (char *)record);
+ return record->header.length
+ - ((char *) record->symbol.name - (char *) record);
}
-/*****************************************************************************/
-
-/*
+/* Slurp the symbol table by reading in all the records at the start file
+ till we get to the first section record.
-Slurp the symbol table by reading in all the records at the start file
-till we get to the first section record.
+ We'll sort the symbolss into two lists, defined and undefined. The
+ undefined symbols will be placed into the table according to their
+ refno.
-We'll sort the symbols into two lists, defined and undefined. The
-undefined symbols will also be sorted by refno. We do this by placing
-all undefined symbols at the front of the table moving in, and the
-defined symbols at the end of the table moving back.
+ We do this by placing all undefined symbols at the front of the table
+ moving in, and the defined symbols at the end of the table moving back. */
-*/
-
-static boolean
-oasys_slurp_symbol_table(abfd)
-bfd *abfd;
+static bfd_boolean
+oasys_slurp_symbol_table (bfd *const abfd)
{
oasys_record_union_type record;
- oasys_data_type *data = oasys_data(abfd);
- boolean loop = true;
- asymbol *dest_undefined;
+ oasys_data_type *data = OASYS_DATA (abfd);
+ bfd_boolean loop = TRUE;
asymbol *dest_defined;
asymbol *dest;
char *string_ptr;
+ bfd_size_type amt;
+ if (data->symbols != NULL)
+ return TRUE;
- if (data->symbols != (asymbol *)NULL) {
- return true;
- }
- /* Buy enough memory for all the symbols and all the names */
- data->symbols =
- (asymbol *)malloc(sizeof(asymbol) * abfd->symcount);
- data->strings = malloc(data->symbol_string_length);
+ /* Buy enough memory for all the symbols and all the names. */
+ amt = abfd->symcount;
+ amt *= sizeof (asymbol);
+ data->symbols = bfd_alloc (abfd, amt);
+
+ amt = data->symbol_string_length;
+#ifdef UNDERSCORE_HACK
+ /* Buy 1 more char for each symbol to keep the underscore in. */
+ amt += abfd->symcount;
+#endif
+ data->strings = bfd_alloc (abfd, amt);
- dest_undefined = data->symbols;
- dest_defined = data->symbols + abfd->symcount -1;
+ if (!data->symbols || !data->strings)
+ return FALSE;
+
+ dest_defined = data->symbols + abfd->symcount - 1;
string_ptr = data->strings;
- bfd_seek(abfd, (file_ptr)0, SEEK_SET);
- while (loop) {
- oasys_read_record(abfd, &record);
- switch (record.header.type) {
- case oasys_record_is_header_enum:
- break;
- case oasys_record_is_local_enum:
- case oasys_record_is_symbol_enum:
- {
- size_t length = oasys_string_length(&record);
- switch (record.symbol.relb[0] & RELOCATION_TYPE_BITS) {
- case RELOCATION_TYPE_ABS:
- dest = dest_defined--;
- dest->section = 0;
- dest->flags = BSF_ABSOLUTE | BSF_EXPORT | BSF_GLOBAL;
- dest_defined--;
- break;
- case RELOCATION_TYPE_REL:
- dest = dest_defined--;
- dest->section =
- oasys_data(abfd)->sections[record.symbol.relb[0] &
- RELOCATION_SECT_BITS];
- if (record.header.type == oasys_record_is_local_enum)
- {
- dest->flags = BSF_LOCAL;
- }
- else {
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
+ return FALSE;
+ while (loop)
+ {
+ if (! oasys_read_record (abfd, &record))
+ return FALSE;
- dest->flags = BSF_EXPORT | BSF_GLOBAL;
- }
- break;
- case RELOCATION_TYPE_UND:
- dest = dest_undefined++;
- dest->section = (asection *)NULL;
- dest->flags = BSF_UNDEFINED;
- break;
- case RELOCATION_TYPE_COM:
- dest = dest_defined--;
+ switch (record.header.type)
+ {
+ case oasys_record_is_header_enum:
+ break;
+ case oasys_record_is_local_enum:
+ case oasys_record_is_symbol_enum:
+ {
+ int flag = record.header.type == (int) oasys_record_is_local_enum ?
+ (BSF_LOCAL) : (BSF_GLOBAL | BSF_EXPORT);
+
+ size_t length = oasys_string_length (&record);
+ switch (record.symbol.relb & RELOCATION_TYPE_BITS)
+ {
+ case RELOCATION_TYPE_ABS:
+ dest = dest_defined--;
+ dest->section = bfd_abs_section_ptr;
+ dest->flags = 0;
+
+ break;
+ case RELOCATION_TYPE_REL:
+ dest = dest_defined--;
+ dest->section =
+ OASYS_DATA (abfd)->sections[record.symbol.relb &
+ RELOCATION_SECT_BITS];
+ if (record.header.type == (int) oasys_record_is_local_enum)
+ {
+ dest->flags = BSF_LOCAL;
+ if (dest->section == (asection *) (~0))
+ {
+ /* It seems that sometimes internal symbols are tied up, but
+ still get output, even though there is no
+ section */
+ dest->section = 0;
+ }
+ }
+ else
+ dest->flags = flag;
+ break;
+ case RELOCATION_TYPE_UND:
+ dest = data->symbols + H_GET_16 (abfd, record.symbol.refno);
+ dest->section = bfd_und_section_ptr;
+ break;
+ case RELOCATION_TYPE_COM:
+ dest = dest_defined--;
+ dest->name = string_ptr;
+ dest->the_bfd = abfd;
+ dest->section = bfd_com_section_ptr;
+ break;
+ default:
+ dest = dest_defined--;
+ BFD_ASSERT (FALSE);
+ break;
+ }
dest->name = string_ptr;
dest->the_bfd = abfd;
+ dest->udata.p = NULL;
+ dest->value = H_GET_32 (abfd, record.symbol.value);
+
+#ifdef UNDERSCORE_HACK
+ if (record.symbol.name[0] != '_')
+ {
+ string_ptr[0] = '_';
+ string_ptr++;
+ }
+#endif
+ memcpy (string_ptr, record.symbol.name, length);
- dest->section = (asection *)NULL;
- dest->flags = BSF_FORT_COMM;
- break;
+ string_ptr[length] = 0;
+ string_ptr += length + 1;
}
- dest->name = string_ptr;
- dest->the_bfd = abfd;
-
- dest->value = bfd_h_getlong(abfd, &record.symbol.value);
- memcpy(string_ptr, record.symbol.name, length);
- string_ptr[length] =0;
- string_ptr += length +1;
+ break;
+ default:
+ loop = FALSE;
}
- break;
- default:
- loop = false;
}
- }
- return true;
-
+ return TRUE;
}
-size_t
-oasys_get_symtab_upper_bound (abfd)
-bfd *abfd;
+static long
+oasys_get_symtab_upper_bound (bfd *const abfd)
{
- oasys_slurp_symbol_table (abfd);
+ if (! oasys_slurp_symbol_table (abfd))
+ return -1;
- return (abfd->symcount != 0) ?
- (abfd->symcount+1) * (sizeof (oasys_symbol_type *)) : 0;
+ return (abfd->symcount + 1) * (sizeof (oasys_symbol_type *));
}
-/*
-*/
-
-extern bfd_target oasys_vec;
+extern const bfd_target oasys_vec;
-unsigned int
-oasys_get_symtab (abfd, location)
-bfd *abfd;
-asymbol **location;
+static long
+oasys_canonicalize_symtab (bfd *abfd, asymbol **location)
{
- asymbol *symbase ;
- unsigned int counter ;
- if (oasys_slurp_symbol_table(abfd) == false) {
- return 0;
- }
- symbase = oasys_data(abfd)->symbols;
- for (counter = 0; counter < abfd->symcount; counter++) {
+ asymbol *symbase;
+ unsigned int counter;
+
+ if (! oasys_slurp_symbol_table (abfd))
+ return -1;
+
+ symbase = OASYS_DATA (abfd)->symbols;
+ for (counter = 0; counter < abfd->symcount; counter++)
*(location++) = symbase++;
- }
+
*location = 0;
return abfd->symcount;
}
-/***********************************************************************
-* archive stuff
-*/
-#define swap(x) x = bfd_h_get_x(abfd, &x);
-bfd_target *
-oasys_archive_p(abfd)
-bfd *abfd;
+/* Archive stuff. */
+
+static const bfd_target *
+oasys_archive_p (bfd *abfd)
{
oasys_archive_header_type header;
+ oasys_extarchive_header_type header_ext;
unsigned int i;
-
- bfd_seek(abfd, (file_ptr) 0, false);
-
-
- bfd_read(&header, 1, sizeof(header), abfd);
-
-
- swap(header.version);
- swap(header.mod_count);
- swap(header.mod_tbl_offset);
- swap(header.sym_tbl_size);
- swap(header.sym_count);
- swap(header.sym_tbl_offset);
- swap(header.xref_count);
- swap(header.xref_lst_offset);
-
- /*
- There isn't a magic number in an Oasys archive, so the best we
- can do to verify reasnableness is to make sure that the values in
- the header are too weird
- */
-
- if (header.version>10000 ||
- header.mod_count>10000 ||
- header.sym_count>100000 ||
- header.xref_count > 100000) return (bfd_target *)NULL;
-
- /*
- That all worked, lets buy the space for the header and read in
- the headers.
- */
+ file_ptr filepos;
+ bfd_size_type amt;
+
+ amt = sizeof (header_ext);
+ if (bfd_seek (abfd, (file_ptr) 0, 0) != 0
+ || bfd_bread ((void *) &header_ext, amt, abfd) != amt)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ header.version = H_GET_32 (abfd, header_ext.version);
+ header.mod_count = H_GET_32 (abfd, header_ext.mod_count);
+ header.mod_tbl_offset = H_GET_32 (abfd, header_ext.mod_tbl_offset);
+ header.sym_tbl_size = H_GET_32 (abfd, header_ext.sym_tbl_size);
+ header.sym_count = H_GET_32 (abfd, header_ext.sym_count);
+ header.sym_tbl_offset = H_GET_32 (abfd, header_ext.sym_tbl_offset);
+ header.xref_count = H_GET_32 (abfd, header_ext.xref_count);
+ header.xref_lst_offset = H_GET_32 (abfd, header_ext.xref_lst_offset);
+
+ /* There isn't a magic number in an Oasys archive, so the best we
+ can do to verify reasonableness is to make sure that the values in
+ the header are too weird. */
+
+ if (header.version > 10000
+ || header.mod_count > 10000
+ || header.sym_count > 100000
+ || header.xref_count > 100000)
+ return NULL;
+
+ /* That all worked, let's buy the space for the header and read in
+ the headers. */
{
- oasys_ar_data_type *ar =
- (oasys_ar_data_type*) malloc(sizeof(oasys_ar_data_type));
+ oasys_ar_data_type *ar;
+ oasys_module_info_type *module;
+ oasys_module_table_type record;
+ amt = sizeof (oasys_ar_data_type);
+ ar = bfd_alloc (abfd, amt);
- oasys_module_info_type *module =
- (oasys_module_info_type*)
- malloc(sizeof(oasys_module_info_type) * header.mod_count);
+ amt = header.mod_count;
+ amt *= sizeof (oasys_module_info_type);
+ module = bfd_alloc (abfd, amt);
- oasys_module_table_type record;
+ if (!ar || !module)
+ return NULL;
- oasys_ar_data(abfd) =ar;
+ abfd->tdata.oasys_ar_data = ar;
ar->module = module;
ar->module_count = header.mod_count;
- bfd_seek(abfd , header.mod_tbl_offset, SEEK_SET);
- for (i = 0; i < header.mod_count; i++) {
-
- bfd_read(&record, 1, sizeof(record), abfd);
- swap(record.mod_size);
- swap(record.file_offset);
- swap(record.mod_name_length);
- module[i].name = malloc(record.mod_name_length+1);
+ filepos = header.mod_tbl_offset;
+ for (i = 0; i < header.mod_count; i++)
+ {
+ if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
+ return NULL;
- bfd_read(module[i].name, 1, record.mod_name_length +1, abfd);
- /* SKip some stuff */
- bfd_seek(abfd, record.dep_count * sizeof(int32_type),
- SEEK_CUR);
+ /* There are two ways of specifying the archive header. */
+ {
+ oasys_extmodule_table_type_b_type record_ext;
+
+ amt = sizeof (record_ext);
+ if (bfd_bread ((void *) &record_ext, amt, abfd) != amt)
+ return NULL;
+
+ record.mod_size = H_GET_32 (abfd, record_ext.mod_size);
+ record.file_offset = H_GET_32 (abfd, record_ext.file_offset);
+
+ record.dep_count = H_GET_32 (abfd, record_ext.dep_count);
+ record.depee_count = H_GET_32 (abfd, record_ext.depee_count);
+ record.sect_count = H_GET_32 (abfd, record_ext.sect_count);
+ record.module_name_size = H_GET_32 (abfd,
+ record_ext.mod_name_length);
+
+ amt = record.module_name_size;
+ module[i].name = bfd_alloc (abfd, amt + 1);
+ if (!module[i].name)
+ return NULL;
+ if (bfd_bread ((void *) module[i].name, amt, abfd) != amt)
+ return NULL;
+ module[i].name[record.module_name_size] = 0;
+ filepos += (sizeof (record_ext)
+ + record.dep_count * 4
+ + record.module_name_size + 1);
+ }
- module[i].size = record.mod_size;
- module[i].pos = record.file_offset;
- }
-
+ module[i].size = record.mod_size;
+ module[i].pos = record.file_offset;
+ module[i].abfd = 0;
+ }
}
return abfd->xvec;
}
-#define MAX_SECS 16
-bfd_target *
-oasys_object_p (abfd)
-bfd *abfd;
+static bfd_boolean
+oasys_mkobject (bfd *abfd)
{
- oasys_data_type *oasys;
- oasys_data_type static_data;
+ bfd_size_type amt = sizeof (oasys_data_type);
- boolean loop = true;
+ abfd->tdata.oasys_obj_data = bfd_alloc (abfd, amt);
+ return abfd->tdata.oasys_obj_data != NULL;
+}
- boolean had_usefull = false;
+/* The howto table is build using the top two bits of a reloc byte to
+ index into it. The bits are PCREL,WORD/LONG. */
- memset((PTR)static_data.sections, 0xff, sizeof(static_data.sections));
-
- /* Point to the start of the file */
- bfd_seek(abfd, (file_ptr)0, SEEK_SET);
- static_data.symbol_string_length = 0;
- /* Inspect the records, but only keep the section info -
- remember the size of the symbols
- */
- while (loop) {
- oasys_record_union_type record;
- oasys_read_record(abfd, &record);
- if (record.header.length < sizeof(record.header))
- return (bfd_target *)NULL;
-
- switch ((oasys_record_enum_type)(record.header.type)) {
- case oasys_record_is_header_enum:
- had_usefull = true;
- break;
- case oasys_record_is_symbol_enum:
- case oasys_record_is_local_enum:
- /* Count symbols and remember their size for a future malloc */
- abfd->symcount++;
- static_data.symbol_string_length += 1 + oasys_string_length(&record);
- had_usefull = true;
- break;
- case oasys_record_is_section_enum:
- {
- asection *s;
- char *buffer;
- unsigned int section_number;
- if (record.section.header.length != sizeof(record.section))
+static reloc_howto_type howto_table[] =
+{
+
+ HOWTO (0, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "abs16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
+ HOWTO (0, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "abs32", TRUE, 0xffffffff, 0xffffffff, FALSE),
+ HOWTO (0, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "pcrel16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
+ HOWTO (0, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "pcrel32", TRUE, 0xffffffff, 0xffffffff, FALSE)
+};
+
+/* Read in all the section data and relocation stuff too. */
+
+static bfd_boolean
+oasys_slurp_section_data (bfd *const abfd)
+{
+ oasys_record_union_type record;
+ oasys_data_type *data = OASYS_DATA (abfd);
+ bfd_boolean loop = TRUE;
+ oasys_per_section_type *per;
+ asection *s;
+ bfd_size_type amt;
+
+ /* See if the data has been slurped already. */
+ for (s = abfd->sections; s != NULL; s = s->next)
+ {
+ per = oasys_per_section (s);
+ if (per->initialized)
+ return TRUE;
+ }
+
+ if (data->first_data_record == 0)
+ return TRUE;
+
+ if (bfd_seek (abfd, data->first_data_record, SEEK_SET) != 0)
+ return FALSE;
+
+ while (loop)
+ {
+ if (! oasys_read_record (abfd, &record))
+ return FALSE;
+
+ switch (record.header.type)
+ {
+ case oasys_record_is_header_enum:
+ break;
+ case oasys_record_is_data_enum:
{
- return (bfd_target *)NULL;
+ bfd_byte *src = record.data.data;
+ bfd_byte *end_src = ((bfd_byte *) & record) + record.header.length;
+ bfd_byte *dst_ptr;
+ bfd_byte *dst_base_ptr;
+ unsigned int relbit;
+ unsigned int count;
+ asection *section =
+ data->sections[record.data.relb & RELOCATION_SECT_BITS];
+ bfd_vma dst_offset;
+
+ per = oasys_per_section (section);
+
+ if (! per->initialized)
+ {
+ arelent **relpp;
+
+ per->data = bfd_zalloc (abfd, section->size);
+ if (!per->data)
+ return FALSE;
+ relpp = §ion->relocation;
+ per->reloc_tail_ptr = (oasys_reloc_type **) relpp;
+ per->had_vma = FALSE;
+ per->initialized = TRUE;
+ section->reloc_count = 0;
+ section->flags = SEC_ALLOC;
+ }
+
+ dst_offset = H_GET_32 (abfd, record.data.addr);
+ if (! per->had_vma)
+ {
+ /* Take the first vma we see as the base. */
+ section->vma = dst_offset;
+ per->had_vma = TRUE;
+ }
+
+ dst_offset -= section->vma;
+
+ dst_base_ptr = oasys_per_section (section)->data;
+ dst_ptr = oasys_per_section (section)->data +
+ dst_offset;
+
+ if (src < end_src)
+ section->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
+
+ while (src < end_src)
+ {
+ unsigned char mod_byte = *src++;
+ size_t gap = end_src - src;
+
+ count = 8;
+ if (mod_byte == 0 && gap >= 8)
+ {
+ dst_ptr[0] = src[0];
+ dst_ptr[1] = src[1];
+ dst_ptr[2] = src[2];
+ dst_ptr[3] = src[3];
+ dst_ptr[4] = src[4];
+ dst_ptr[5] = src[5];
+ dst_ptr[6] = src[6];
+ dst_ptr[7] = src[7];
+ dst_ptr += 8;
+ src += 8;
+ }
+ else
+ {
+ for (relbit = 1; count-- != 0 && src < end_src; relbit <<= 1)
+ {
+ if (relbit & mod_byte)
+ {
+ unsigned char reloc = *src;
+ /* This item needs to be relocated. */
+ switch (reloc & RELOCATION_TYPE_BITS)
+ {
+ case RELOCATION_TYPE_ABS:
+ break;
+
+ case RELOCATION_TYPE_REL:
+ {
+ /* Relocate the item relative to the section. */
+ oasys_reloc_type *r;
+
+ amt = sizeof (oasys_reloc_type);
+ r = bfd_alloc (abfd, amt);
+ if (!r)
+ return FALSE;
+ *(per->reloc_tail_ptr) = r;
+ per->reloc_tail_ptr = &r->next;
+ r->next = NULL;
+ /* Reference to undefined symbol. */
+ src++;
+ /* There is no symbol. */
+ r->symbol = 0;
+ /* Work out the howto. */
+ abort ();
+ r->relent.address = dst_ptr - dst_base_ptr;
+ r->relent.howto = &howto_table[reloc >> 6];
+ r->relent.sym_ptr_ptr = NULL;
+ section->reloc_count++;
+
+ /* Fake up the data to look like
+ it's got the -ve pc in it, this
+ makes it much easier to convert
+ into other formats. This is done
+ by hitting the addend. */
+ if (r->relent.howto->pc_relative)
+ r->relent.addend -= dst_ptr - dst_base_ptr;
+ }
+ break;
+
+ case RELOCATION_TYPE_UND:
+ {
+ oasys_reloc_type *r;
+
+ amt = sizeof (oasys_reloc_type);
+ r = bfd_alloc (abfd, amt);
+ if (!r)
+ return FALSE;
+ *(per->reloc_tail_ptr) = r;
+ per->reloc_tail_ptr = &r->next;
+ r->next = NULL;
+ /* Reference to undefined symbol. */
+ src++;
+ /* Get symbol number. */
+ r->symbol = (src[0] << 8) | src[1];
+ /* Work out the howto. */
+ abort ();
+
+ r->relent.addend = 0;
+ r->relent.address = dst_ptr - dst_base_ptr;
+ r->relent.howto = &howto_table[reloc >> 6];
+ r->relent.sym_ptr_ptr = NULL;
+ section->reloc_count++;
+
+ src += 2;
+ /* Fake up the data to look like
+ it's got the -ve pc in it, this
+ makes it much easier to convert
+ into other formats. This is done
+ by hitting the addend. */
+ if (r->relent.howto->pc_relative)
+ r->relent.addend -= dst_ptr - dst_base_ptr;
+ }
+ break;
+ case RELOCATION_TYPE_COM:
+ BFD_FAIL ();
+ }
+ }
+ *dst_ptr++ = *src++;
+ }
+ }
+ }
}
- buffer = malloc(3);
- section_number= record.section.relb & RELOCATION_SECT_BITS;
- sprintf(buffer,"%u", section_number);
- s = bfd_make_section(abfd,buffer);
- static_data.sections[section_number] = s;
- switch (record.section.relb & RELOCATION_TYPE_BITS) {
- case RELOCATION_TYPE_ABS:
- case RELOCATION_TYPE_REL:
break;
- case RELOCATION_TYPE_UND:
- case RELOCATION_TYPE_COM:
- BFD_FAIL();
+ case oasys_record_is_local_enum:
+ case oasys_record_is_symbol_enum:
+ case oasys_record_is_section_enum:
+ break;
+ default:
+ loop = FALSE;
}
+ }
+ return TRUE;
- s->size = bfd_h_getlong(abfd, & record.section.value) ;
- s->vma = bfd_h_getlong(abfd, &record.section.vma);
- s->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
- had_usefull = true;
- }
- break;
- case oasys_record_is_data_enum:
- static_data.first_data_record = bfd_tell(abfd) - record.header.length;
- case oasys_record_is_debug_enum:
- case oasys_record_is_module_enum:
- case oasys_record_is_named_section_enum:
- case oasys_record_is_end_enum:
- if (had_usefull == false) return (bfd_target *)NULL;
- loop = false;
- break;
- default:
- return (bfd_target *)NULL;
- }
- }
- oasys_data(abfd) = (oasys_data_type
- *)malloc(sizeof(oasys_data_type));
- oasys = oasys_data(abfd);
- * oasys = static_data;
-
- oasys->symbols = (asymbol *)NULL;
- /*
- Oasys support several architectures, but I can't see a simple way
- to discover which one is in a particular file - we'll guess
- */
- abfd->obj_arch = bfd_arch_m68k;
- abfd->obj_machine =0;
- if (abfd->symcount != 0) {
- abfd->flags |= HAS_SYMS;
- }
- return abfd->xvec;
}
+#define MAX_SECS 16
-void
-oasys_print_symbol(ignore_abfd, file, symbol, how)
-bfd *ignore_abfd;
-FILE *file;
-asymbol *symbol;
-bfd_print_symbol_enum_type how;
+static const bfd_target *
+oasys_object_p (bfd *abfd)
{
- switch (how) {
- case bfd_print_symbol_name_enum:
- case bfd_print_symbol_type_enum:
- fprintf(file,"%s", symbol->name);
- break;
- case bfd_print_symbol_all_enum:
- {
- char *section_name = symbol->section == (asection *)NULL ?
- "*abs" : symbol->section->name;
+ oasys_data_type *oasys;
+ oasys_data_type *save = OASYS_DATA (abfd);
+ bfd_boolean loop = TRUE;
+ bfd_boolean had_usefull = FALSE;
- bfd_print_symbol_vandf((void *)file,symbol);
+ abfd->tdata.oasys_obj_data = 0;
+ oasys_mkobject (abfd);
+ oasys = OASYS_DATA (abfd);
+ memset ((void *) oasys->sections, 0xff, sizeof (oasys->sections));
- fprintf(file," %-5s %s",
- section_name,
- symbol->name);
- }
- break;
- }
-}
-/*
- The howto table is build using the top two bits of a reloc byte to
- index into it. The bits are PCREL,WORD/LONG
-*/
-static reloc_howto_type howto_table[]=
-{
-/* T rs size bsz pcrel bitpos abs ovr sf name partial inplace mask */
-
-{ 0, 0, 1, 16, false,0, true,true,0,"abs16",true,0x0000ffff},
-{ 0, 0, 2, 32, false,0, true,true,0,"abs32",true,0xffffffff},
-{ 0, 0, 1, 16, true,0, true,true,0,"pcrel16",true,0x0000ffff},
-{ 0, 0, 2, 32, true,0, true,true,0,"pcrel32",true,0xffffffff}
-};
+ /* Point to the start of the file. */
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
+ goto fail;
+ oasys->symbol_string_length = 0;
-/* Read in all the section data and relocation stuff too */
-static boolean oasys_slurp_section_data(abfd)
-bfd *abfd;
-{
- oasys_record_union_type record;
- oasys_data_type *data = oasys_data(abfd);
- boolean loop = true;
+ /* Inspect the records, but only keep the section info -
+ remember the size of the symbols. */
+ oasys->first_data_record = 0;
+ while (loop)
+ {
+ oasys_record_union_type record;
+ if (! oasys_read_record (abfd, &record))
+ goto fail;
+ if ((size_t) record.header.length < (size_t) sizeof (record.header))
+ goto fail;
+
+ switch ((oasys_record_enum_type) (record.header.type))
+ {
+ case oasys_record_is_header_enum:
+ had_usefull = TRUE;
+ break;
+ case oasys_record_is_symbol_enum:
+ case oasys_record_is_local_enum:
+ /* Count symbols and remember their size for a future malloc. */
+ abfd->symcount++;
+ oasys->symbol_string_length += 1 + oasys_string_length (&record);
+ had_usefull = TRUE;
+ break;
+ case oasys_record_is_section_enum:
+ {
+ asection *s;
+ char *buffer;
+ unsigned int section_number;
+
+ if (record.section.header.length != sizeof (record.section))
+ goto fail;
+
+ buffer = bfd_alloc (abfd, (bfd_size_type) 3);
+ if (!buffer)
+ goto fail;
+ section_number = record.section.relb & RELOCATION_SECT_BITS;
+ sprintf (buffer, "%u", section_number);
+ s = bfd_make_section (abfd, buffer);
+ oasys->sections[section_number] = s;
+ switch (record.section.relb & RELOCATION_TYPE_BITS)
+ {
+ case RELOCATION_TYPE_ABS:
+ case RELOCATION_TYPE_REL:
+ break;
+ case RELOCATION_TYPE_UND:
+ case RELOCATION_TYPE_COM:
+ BFD_FAIL ();
+ }
+
+ s->size = H_GET_32 (abfd, record.section.value);
+ s->vma = H_GET_32 (abfd, record.section.vma);
+ s->flags = 0;
+ had_usefull = TRUE;
+ }
+ break;
+ case oasys_record_is_data_enum:
+ oasys->first_data_record = bfd_tell (abfd) - record.header.length;
+ case oasys_record_is_debug_enum:
+ case oasys_record_is_module_enum:
+ case oasys_record_is_named_section_enum:
+ case oasys_record_is_end_enum:
+ if (! had_usefull)
+ goto fail;
+ loop = FALSE;
+ break;
+ default:
+ goto fail;
+ }
+ }
+ oasys->symbols = NULL;
- oasys_per_section_type *per ;
+ /* Oasys support several architectures, but I can't see a simple way
+ to discover which one is in a particular file - we'll guess. */
+ bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
+ if (abfd->symcount != 0)
+ abfd->flags |= HAS_SYMS;
- asection *s;
+ /* We don't know if a section has data until we've read it. */
+ oasys_slurp_section_data (abfd);
- /* Buy enough memory for all the section data and relocations */
- for (s = abfd->sections; s != (asection *)NULL; s= s->next) {
- per = oasys_per_section(s);
- if (per->data != (bfd_byte*)NULL) return true;
- per->data = (bfd_byte *) malloc(s->size);
- obstack_init(&per->reloc_obstack);
- per->reloc_tail_ptr = (oasys_reloc_type **)&(s->relocation);
- }
+ return abfd->xvec;
- bfd_seek(abfd, data->first_data_record, SEEK_SET);
- while (loop) {
- oasys_read_record(abfd, &record);
- switch (record.header.type) {
- case oasys_record_is_header_enum:
- break;
- case oasys_record_is_data_enum:
- {
+fail:
+ (void) bfd_release (abfd, oasys);
+ abfd->tdata.oasys_obj_data = save;
+ return NULL;
+}
- uint8e_type *src = record.data.data;
- uint8e_type *end_src = ((uint8e_type *)&record) + record.header.length;
- unsigned int relbit;
- bfd_byte *dst_ptr ;
- bfd_byte *dst_base_ptr ;
- asection *section;
- unsigned int count;
- bfd_vma dst_offset = bfd_h_getlong(abfd, record.data.addr);
- section = data->sections[record.data.relb & RELOCATION_SECT_BITS];
- per = oasys_per_section(section);
-dst_base_ptr = dst_ptr = oasys_per_section(section)->data + dst_offset;
+static void
+oasys_get_symbol_info (bfd *ignore_abfd ATTRIBUTE_UNUSED,
+ asymbol *symbol,
+ symbol_info *ret)
+{
+ bfd_symbol_info (symbol, ret);
- while (src < end_src) {
- uint8e_type mod_byte = *src++;
- count = 8;
+ if (!symbol->section)
+ ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
+}
- for (relbit = 1; count-- != 0; relbit <<=1)
- {
- if (relbit & mod_byte)
- {
- uint8e_type reloc = *src;
- /* This item needs to be relocated */
- switch (reloc & RELOCATION_TYPE_BITS) {
- case RELOCATION_TYPE_ABS:
+static void
+oasys_print_symbol (bfd *abfd, void * afile, asymbol *symbol, bfd_print_symbol_type how)
+{
+ FILE *file = (FILE *) afile;
- break;
+ switch (how)
+ {
+ case bfd_print_symbol_name:
+ case bfd_print_symbol_more:
+ fprintf (file, "%s", symbol->name);
+ break;
+ case bfd_print_symbol_all:
+ {
+ const char *section_name = symbol->section == NULL ?
+ (const char *) "*abs" : symbol->section->name;
- case RELOCATION_TYPE_REL:
- {
- /* Relocate the item relative to the section */
- oasys_reloc_type *r =
- (oasys_reloc_type *)
- obstack_alloc(&per->reloc_obstack,
- sizeof(oasys_reloc_type));
- *(per->reloc_tail_ptr) = r;
- per->reloc_tail_ptr = &r->next;
- r->next= (oasys_reloc_type *)NULL;
- /* Reference to undefined symbol */
- src++;
- /* There is no symbol */
- r->symbol = 0;
- /* Work out the howto */
- r->relent.section =
- data->sections[reloc & RELOCATION_SECT_BITS];
- r->relent.addend = 0;
- r->relent.address = dst_ptr - dst_base_ptr;
- r->relent.howto = &howto_table[reloc>>6];
- section->reloc_count++;
+ bfd_print_symbol_vandf (abfd, (void *) file, symbol);
- }
- break;
-
-
- case RELOCATION_TYPE_UND:
- {
- oasys_reloc_type *r =
- (oasys_reloc_type *)
- obstack_alloc(&per->reloc_obstack,
- sizeof(oasys_reloc_type));
- *(per->reloc_tail_ptr) = r;
- per->reloc_tail_ptr = &r->next;
- r->next= (oasys_reloc_type *)NULL;
- /* Reference to undefined symbol */
- src++;
- /* Get symbol number */
- r->symbol = (src[0]<<8) | src[1];
- /* Work out the howto */
- r->relent.section = (asection *)NULL;
- r->relent.addend = 0;
- r->relent.address = dst_ptr - dst_base_ptr;
- r->relent.howto = &howto_table[reloc>>6];
-
- section->reloc_count++;
- src+=2;
- }
- break;
- case RELOCATION_TYPE_COM:
- BFD_FAIL();
- }
- }
- *dst_ptr++ = *src++;
- }
- }
+ fprintf (file, " %-5s %s",
+ section_name,
+ symbol->name);
}
break;
- case oasys_record_is_local_enum:
- case oasys_record_is_symbol_enum:
- case oasys_record_is_section_enum:
- break;
- default:
- loop = false;
}
- }
- return true;
-
}
+static bfd_boolean
+oasys_new_section_hook (bfd *abfd, asection *newsect)
+{
+ if (!newsect->used_by_bfd)
+ {
+ newsect->used_by_bfd
+ = bfd_alloc (abfd, (bfd_size_type) sizeof (oasys_per_section_type));
+ if (!newsect->used_by_bfd)
+ return FALSE;
+ }
+ oasys_per_section (newsect)->data = NULL;
+ oasys_per_section (newsect)->section = newsect;
+ oasys_per_section (newsect)->offset = 0;
+ oasys_per_section (newsect)->initialized = FALSE;
+ newsect->alignment_power = 1;
+ /* Turn the section string into an index. */
+ sscanf (newsect->name, "%u", &newsect->target_index);
+ return _bfd_generic_new_section_hook (abfd, newsect);
+}
-boolean
-oasys_new_section_hook (abfd, newsect)
-bfd *abfd;
-asection *newsect;
+static long
+oasys_get_reloc_upper_bound (bfd *abfd, sec_ptr asect)
{
- newsect->used_by_bfd = (oasys_per_section_type *)
- malloc(sizeof(oasys_per_section_type));
- oasys_per_section( newsect)->data = (bfd_byte *)NULL;
- oasys_per_section(newsect)->section = newsect;
- oasys_per_section(newsect)->offset = 0;
- return true;
+ if (! oasys_slurp_section_data (abfd))
+ return -1;
+ return (asect->reloc_count + 1) * sizeof (arelent *);
}
-
-unsigned int
-oasys_get_reloc_upper_bound (abfd, asect)
-bfd *abfd;
-sec_ptr asect;
+static bfd_boolean
+oasys_get_section_contents (bfd *abfd,
+ sec_ptr section,
+ void * location,
+ file_ptr offset,
+ bfd_size_type count)
{
- oasys_slurp_section_data(abfd);
- return (asect->reloc_count+1) * sizeof(arelent *);
-}
+ oasys_per_section_type *p = oasys_per_section (section);
-static boolean
-oasys_get_section_contents (abfd, section, location, offset, count)
-bfd *abfd;
-sec_ptr section;
-void *location;
-file_ptr offset;
-unsigned int count;
-{
- oasys_per_section_type *p = section->used_by_bfd;
- oasys_slurp_section_data(abfd);
- (void) memcpy(location, p->data + offset, count);
- return true;
-}
+ oasys_slurp_section_data (abfd);
+ if (! p->initialized)
+ (void) memset (location, 0, (size_t) count);
+ else
+ (void) memcpy (location, (void *) (p->data + offset), (size_t) count);
-unsigned int
-oasys_canonicalize_reloc (abfd, section, relptr, symbols)
-bfd *abfd;
-sec_ptr section;
-arelent **relptr;
-asymbol **symbols;
-{
- oasys_reloc_type *src = (oasys_reloc_type *)(section->relocation);
- while (src != (oasys_reloc_type *)NULL) {
- if (src->relent.section == (asection *)NULL) {
- src->relent.sym_ptr_ptr = symbols + src->symbol;
- }
- *relptr ++ = &src->relent;
- src = src->next;
- }
- *relptr = (arelent *)NULL;
- return section->reloc_count;
+ return TRUE;
}
-boolean
-oasys_set_arch_mach (abfd, arch, machine)
-bfd *abfd;
-enum bfd_architecture arch;
-unsigned long machine;
+static long
+oasys_canonicalize_reloc (bfd *ignore_abfd ATTRIBUTE_UNUSED,
+ sec_ptr section,
+ arelent **relptr,
+ asymbol **symbols ATTRIBUTE_UNUSED)
{
- abfd->obj_arch = arch;
- abfd->obj_machine = machine;
- return true;
-}
+ unsigned int reloc_count = 0;
+ oasys_reloc_type *src = (oasys_reloc_type *) (section->relocation);
-boolean
-oasys_mkobject(abfd)
-bfd *abfd;
-{
- oasys_data_type *oasys =
- (oasys_data_type *) malloc(sizeof(oasys_data_type));
- oasys_data(abfd) = oasys;
- if (oasys == (oasys_data_type *)NULL) {
- bfd_error = no_memory;
- return false;
- }
+ if (src != NULL)
+ abort ();
- return true;
+ *relptr = NULL;
+ return section->reloc_count = reloc_count;
}
+/* Writing. */
+/* Calculate the checksum and write one record. */
-
-
-
-static void
-init_for_output(abfd)
-bfd *abfd;
+static bfd_boolean
+oasys_write_record (bfd *abfd,
+ oasys_record_enum_type type,
+ oasys_record_union_type *record,
+ size_t size)
{
- asection *s;
- for (s = abfd->sections; s != (asection *)NULL; s = s->next) {
- if (s->size != 0) {
- oasys_per_section(s)->data = (bfd_byte *)(malloc(s->size));
- }
- }
+ int checksum;
+ size_t i;
+ unsigned char *ptr;
+
+ record->header.length = size;
+ record->header.type = (int) type;
+ record->header.check_sum = 0;
+ record->header.fill = 0;
+ ptr = (unsigned char *) &record->pad[0];
+ checksum = 0;
+ for (i = 0; i < size; i++)
+ checksum += *ptr++;
+ record->header.check_sum = 0xff & (-checksum);
+ if (bfd_bwrite ((void *) record, (bfd_size_type) size, abfd) != size)
+ return FALSE;
+ return TRUE;
}
-/** exec and core file sections */
-
-/* set section contents is complicated with OASYS since the format is
-* not a byte image, but a record stream.
-*/
-boolean
-oasys_set_section_contents (abfd, section, location, offset, count)
-bfd *abfd;
-sec_ptr section;
-unsigned char *location;
-file_ptr offset;
-int count;
-{
- if (oasys_per_section(section)->data == (bfd_byte *)NULL) {
- init_for_output(abfd);
- }
- (void) memcpy(oasys_per_section(section)->data + offset, location, count);
- return true;
-}
+/* Write out all the symbols. */
+static bfd_boolean
+oasys_write_syms (bfd *abfd)
+{
+ unsigned int count;
+ asymbol **generic = bfd_get_outsymbols (abfd);
+ unsigned int index = 0;
-\f
-/* Native-level interface to symbols. */
+ for (count = 0; count < bfd_get_symcount (abfd); count++)
+ {
+ oasys_symbol_record_type symbol;
+ asymbol *const g = generic[count];
+ const char *src = g->name;
+ char *dst = symbol.name;
+ unsigned int l = 0;
-/* We read the symbols into a buffer, which is discarded when this
-function exits. We read the strings into a buffer large enough to
-hold them all plus all the cached symbol entries. */
+ if (bfd_is_com_section (g->section))
+ {
+ symbol.relb = RELOCATION_TYPE_COM;
+ H_PUT_16 (abfd, index, symbol.refno);
+ index++;
+ }
+ else if (bfd_is_abs_section (g->section))
+ {
+ symbol.relb = RELOCATION_TYPE_ABS;
+ H_PUT_16 (abfd, 0, symbol.refno);
+ }
+ else if (bfd_is_und_section (g->section))
+ {
+ symbol.relb = RELOCATION_TYPE_UND;
+ H_PUT_16 (abfd, index, symbol.refno);
+ /* Overload the value field with the output index number */
+ index++;
+ }
+ else if (g->flags & BSF_DEBUGGING)
+ /* Throw it away. */
+ continue;
+ else
+ {
+ if (g->section == NULL)
+ /* Sometime, the oasys tools give out a symbol with illegal
+ bits in it, we'll output it in the same broken way. */
+ symbol.relb = RELOCATION_TYPE_REL | 0;
+ else
+ symbol.relb = RELOCATION_TYPE_REL | g->section->output_section->target_index;
+
+ H_PUT_16 (abfd, 0, symbol.refno);
+ }
-asymbol *
-oasys_make_empty_symbol (abfd)
-bfd *abfd;
-{
+#ifdef UNDERSCORE_HACK
+ if (src[l] == '_')
+ dst[l++] = '.';
+#endif
+ while (src[l])
+ {
+ dst[l] = src[l];
+ l++;
+ }
- oasys_symbol_type *new =
- (oasys_symbol_type *)zalloc (sizeof (oasys_symbol_type));
- new->symbol.the_bfd = abfd;
- return &new->symbol;
+ H_PUT_32 (abfd, g->value, symbol.value);
+
+ if (g->flags & BSF_LOCAL)
+ {
+ if (! oasys_write_record (abfd,
+ oasys_record_is_local_enum,
+ (oasys_record_union_type *) & symbol,
+ offsetof (oasys_symbol_record_type,
+ name[0]) + l))
+ return FALSE;
+ }
+ else
+ {
+ if (! oasys_write_record (abfd,
+ oasys_record_is_symbol_enum,
+ (oasys_record_union_type *) & symbol,
+ offsetof (oasys_symbol_record_type,
+ name[0]) + l))
+ return FALSE;
+ }
+ g->value = index - 1;
+ }
+ return TRUE;
}
-void
-oasys_reclaim_symbol_table (abfd)
-bfd *abfd;
-{
-#if 0
- asection *section;
+/* Write a section header for each section. */
- if (!bfd_get_symcount (abfd)) return;
+static bfd_boolean
+oasys_write_sections (bfd *abfd)
+{
+ asection *s;
+ static oasys_section_record_type out;
- for (section = abfd->sections; section != NULL; section = section->next)
- if (section->relocation) {
- free ((void *)section->relocation);
- section->relocation = NULL;
- section->reloc_count = 0;
+ for (s = abfd->sections; s != NULL; s = s->next)
+ {
+ if (!ISDIGIT (s->name[0]))
+ {
+ (*_bfd_error_handler)
+ (_("%s: can not represent section `%s' in oasys"),
+ bfd_get_filename (abfd), s->name);
+ bfd_set_error (bfd_error_nonrepresentable_section);
+ return FALSE;
+ }
+ out.relb = RELOCATION_TYPE_REL | s->target_index;
+ H_PUT_32 (abfd, s->size, out.value);
+ H_PUT_32 (abfd, s->vma, out.vma);
+
+ if (! oasys_write_record (abfd,
+ oasys_record_is_section_enum,
+ (oasys_record_union_type *) & out,
+ sizeof (out)))
+ return FALSE;
}
-
- bfd_get_symcount (abfd) = 0;
- free ((void *)obj_aout_symbols (abfd));
- obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
-#endif
+ return TRUE;
}
-\f
+static bfd_boolean
+oasys_write_header (bfd *abfd)
+{
+ /* Create and write the header. */
+ oasys_header_record_type r;
+ size_t length = strlen (abfd->filename);
-\f
-/* Obsbolete procedural interface; better to look at the cache directly */
+ if (length > (size_t) sizeof (r.module_name))
+ length = sizeof (r.module_name);
-/* User should have checked the file flags; perhaps we should return
-BFD_NO_MORE_SYMBOLS if there are none? */
+ (void) memcpy (r.module_name, abfd->filename, length);
+ (void) memset (r.module_name + length, ' ', sizeof (r.module_name) - length);
-int
-oasys_get_symcount_upper_bound (abfd)
-bfd *abfd;
-{
-#if 0
- /* In case we're doing an output file or something...? */
- if (bfd_get_symcount (abfd)) return bfd_get_symcount (abfd);
+ r.version_number = OASYS_VERSION_NUMBER;
+ r.rev_number = OASYS_REV_NUMBER;
- return (exec_hdr (abfd)->a_syms) / (sizeof (struct nlist));
-#endif
+ return oasys_write_record (abfd, oasys_record_is_header_enum,
+ (oasys_record_union_type *) & r,
+ offsetof (oasys_header_record_type,
+ description[0]));
}
-symindex
-oasys_get_first_symbol (ignore_abfd)
-bfd * ignore_abfd;
+static bfd_boolean
+oasys_write_end (bfd *abfd)
{
- return 0;
+ oasys_end_record_type end;
+ unsigned char null = 0;
+
+ end.relb = RELOCATION_TYPE_ABS;
+ H_PUT_32 (abfd, abfd->start_address, end.entry);
+ H_PUT_16 (abfd, 0, end.fill);
+ end.zero = 0;
+ if (! oasys_write_record (abfd,
+ oasys_record_is_end_enum,
+ (oasys_record_union_type *) & end,
+ sizeof (end)))
+ return FALSE;
+
+ return bfd_bwrite ((void *) &null, (bfd_size_type) 1, abfd) == 1;
}
-symindex
-oasys_get_next_symbol (abfd, oidx)
-bfd *abfd;
-symindex oidx;
+static int
+comp (const void * ap, const void * bp)
{
-#if 0
- if (oidx == BFD_NO_MORE_SYMBOLS) return BFD_NO_MORE_SYMBOLS;
- return ++oidx >= bfd_get_symcount (abfd) ? BFD_NO_MORE_SYMBOLS :
- oidx;
-#endif
-}
+ arelent *a = *((arelent **) ap);
+ arelent *b = *((arelent **) bp);
-char *
-oasys_symbol_name (abfd, idx)
-bfd *abfd;
-symindex idx;
-{
-#if 0
- return (obj_aout_symbols (abfd) + idx)->symbol.name;
-#endif
+ return a->address - b->address;
}
-long
-oasys_symbol_value (abfd, idx)
-bfd *abfd;
-symindex idx;
+static bfd_boolean
+oasys_write_data (bfd *abfd)
{
-#if 0
- return (obj_aout_symbols (abfd) + idx)->symbol.value;
-#endif
-}
+ asection *s;
-symclass
-oasys_classify_symbol (abfd, idx)
-bfd *abfd;
-symindex idx;
-{
-#if 0
- aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
+ for (s = abfd->sections; s != NULL; s = s->next)
+ {
+ if (s->flags & SEC_LOAD)
+ {
+ bfd_byte *raw_data = oasys_per_section (s)->data;
+ oasys_data_record_type processed_data;
+ bfd_size_type current_byte_index = 0;
+ unsigned int relocs_to_go = s->reloc_count;
+ arelent **p = s->orelocation;
- if ((sym->symbol.flags & BSF_FORT_COMM) != 0) return bfd_symclass_fcommon;
- if ((sym->symbol.flags & BSF_GLOBAL) != 0) return bfd_symclass_global;
- if ((sym->symbol.flags & BSF_DEBUGGING) != 0) return bfd_symclass_debugger;
- if ((sym->symbol.flags & BSF_UNDEFINED) != 0) return bfd_symclass_undefined;
-#endif
- return bfd_symclass_unknown;
-}
+ if (s->reloc_count != 0)
+ /* Sort the reloc records so it's easy to insert the relocs into the
+ data. */
+ qsort (s->orelocation, s->reloc_count, sizeof (arelent **), comp);
-boolean
-oasys_symbol_hasclass (abfd, idx, class)
-bfd *abfd;
-symindex idx;
-symclass class;
-{
-#if 0
- aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
- switch (class) {
- case bfd_symclass_fcommon:
- return (sym->symbol.flags & BSF_FORT_COMM) ? true :false;
- case bfd_symclass_global:
- return (sym->symbol.flags & BSF_GLOBAL) ? true:false;
- case bfd_symclass_debugger:
- return (sym->symbol.flags & BSF_DEBUGGING) ? true:false;;
- case bfd_symclass_undefined:
- return (sym->symbol.flags & BSF_UNDEFINED) ? true:false;;
- default: return false;
- }
-#endif
-}
+ current_byte_index = 0;
+ processed_data.relb = s->target_index | RELOCATION_TYPE_REL;
+
+ while (current_byte_index < s->size)
+ {
+ /* Scan forwards by eight bytes or however much is left and see if
+ there are any relocations going on. */
+ bfd_byte *mod = &processed_data.data[0];
+ bfd_byte *dst = &processed_data.data[1];
+
+ unsigned int i = 0;
+ *mod = 0;
+
+ H_PUT_32 (abfd, s->vma + current_byte_index,
+ processed_data.addr);
+
+ /* Don't start a relocation unless you're sure you can finish it
+ within the same data record. The worst case relocation is a
+ 4-byte relocatable value which is split across two modification
+ bytes (1 relocation byte + 2 symbol reference bytes + 2 data +
+ 1 modification byte + 2 data = 8 bytes total). That's where
+ the magic number 8 comes from. */
+ while (current_byte_index < s->size && dst <=
+ & processed_data.data[sizeof (processed_data.data) - 8])
+ {
+ if (relocs_to_go != 0)
+ {
+ arelent *r = *p;
+
+ /* There is a relocation, is it for this byte ? */
+ if (r->address == current_byte_index)
+ abort ();
+ }
+
+ /* If this is coming from an unloadable section then copy
+ zeros. */
+ if (raw_data == NULL)
+ *dst++ = 0;
+ else
+ *dst++ = *raw_data++;
+ if (++i >= 8)
+ {
+ i = 0;
+ mod = dst++;
+ *mod = 0;
+ }
+ current_byte_index++;
+ }
-void
-oasys_reclaim_reloc (ignore_abfd, section)
-bfd *ignore_abfd;
-sec_ptr section;
+ /* Don't write a useless null modification byte. */
+ if (dst == mod + 1)
+ --dst;
+
+ if (! (oasys_write_record
+ (abfd, oasys_record_is_data_enum,
+ ((oasys_record_union_type *) &processed_data),
+ (size_t) (dst - (bfd_byte *) &processed_data))))
+ return FALSE;
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+static bfd_boolean
+oasys_write_object_contents (bfd *abfd)
{
-#if 0
- if (section->relocation) {
- free (section->relocation);
- section->relocation = NULL;
- section->reloc_count = 0;
- }
-#endif
+ if (! oasys_write_header (abfd))
+ return FALSE;
+ if (! oasys_write_syms (abfd))
+ return FALSE;
+ if (! oasys_write_sections (abfd))
+ return FALSE;
+ if (! oasys_write_data (abfd))
+ return FALSE;
+ if (! oasys_write_end (abfd))
+ return FALSE;
+ return TRUE;
}
-boolean
-oasys_close_and_cleanup (abfd)
-bfd *abfd;
+/* Set section contents is complicated with OASYS since the format is
+ not a byte image, but a record stream. */
+
+static bfd_boolean
+oasys_set_section_contents (bfd *abfd,
+ sec_ptr section,
+ const void * location,
+ file_ptr offset,
+ bfd_size_type count)
{
- if (bfd_read_p (abfd) == false)
- switch (abfd->format) {
- case bfd_archive:
- if (!_bfd_write_archive_contents (abfd)) {
- return false;
- }
- break;
- case bfd_object:
-/* if (!oasys_write_object_contents (abfd)) */{
- return false;
- }
- break;
- default:
- bfd_error = invalid_operation;
- return false;
+ if (count != 0)
+ {
+ if (oasys_per_section (section)->data == NULL)
+ {
+ oasys_per_section (section)->data = bfd_alloc (abfd, section->size);
+ if (!oasys_per_section (section)->data)
+ return FALSE;
+ }
+ (void) memcpy ((void *) (oasys_per_section (section)->data + offset),
+ location, (size_t) count);
}
+ return TRUE;
+}
- if (oasys_data(abfd) != (oasys_data_type *)NULL) {
- /* FIXME MORE LEAKS */
- }
+/* Native-level interface to symbols. */
+
+/* We read the symbols into a buffer, which is discarded when this
+ function exits. We read the strings into a buffer large enough to
+ hold them all plus all the cached symbol entries. */
- return true;
+static asymbol *
+oasys_make_empty_symbol (bfd *abfd)
+{
+ bfd_size_type amt = sizeof (oasys_symbol_type);
+ oasys_symbol_type *new = bfd_zalloc (abfd, amt);
+
+ if (!new)
+ return NULL;
+ new->symbol.the_bfd = abfd;
+ return &new->symbol;
}
+/* User should have checked the file flags; perhaps we should return
+ BFD_NO_MORE_SYMBOLS if there are none? */
+
static bfd *
-oasys_openr_next_archived_file(arch, prev)
-bfd *arch;
-bfd *prev;
+oasys_openr_next_archived_file (bfd *arch, bfd *prev)
{
- oasys_ar_data_type *ar = oasys_ar_data(arch);
+ oasys_ar_data_type *ar = OASYS_AR_DATA (arch);
oasys_module_info_type *p;
- /* take the next one from the arch state, or reset */
- if (prev == (bfd *)NULL) {
- /* Reset the index - the first two entries are bogus*/
+
+ /* Take the next one from the arch state, or reset. */
+ if (prev == NULL)
+ /* Reset the index - the first two entries are bogus. */
ar->module_index = 0;
- }
p = ar->module + ar->module_index;
ar->module_index++;
- if (ar->module_index <= ar->module_count) {
- if (p->abfd == (bfd *)NULL) {
- p->abfd = _bfd_create_empty_archive_element_shell(arch);
- p->abfd->origin = p->pos;
- p->abfd->filename = p->name;
+ if (ar->module_index <= ar->module_count)
+ {
+ if (p->abfd == NULL)
+ {
+ p->abfd = _bfd_create_empty_archive_element_shell (arch);
+ p->abfd->origin = p->pos;
+ p->abfd->filename = p->name;
- /* Fixup a pointer to this element for the member */
- p->abfd->arelt_data = (void *)p;
+ /* Fixup a pointer to this element for the member. */
+ p->abfd->arelt_data = (void *) p;
+ }
+ return p->abfd;
}
- return p->abfd;
- }
- else {
- bfd_error = no_more_archived_files;
- return (bfd *)NULL;
- }
+
+ bfd_set_error (bfd_error_no_more_archived_files);
+ return NULL;
}
-static boolean
-oasys_find_nearest_line(abfd,
- section,
- symbols,
- offset,
- filename_ptr,
- functionname_ptr,
- line_ptr)
-bfd *abfd;
-asection *section;
-asymbol **symbols;
-bfd_vma offset;
-char **filename_ptr;
-char **functionname_ptr;
-unsigned int *line_ptr;
-{
- return false;
+static bfd_boolean
+oasys_find_nearest_line (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *section ATTRIBUTE_UNUSED,
+ asymbol **symbols ATTRIBUTE_UNUSED,
+ bfd_vma offset ATTRIBUTE_UNUSED,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ const char **functionname_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED)
+{
+ return FALSE;
+}
+static bfd_boolean
+oasys_find_inliner_info (bfd *abfd ATTRIBUTE_UNUSED,
+ const char **filename_ptr ATTRIBUTE_UNUSED,
+ const char **functionname_ptr ATTRIBUTE_UNUSED,
+ unsigned int *line_ptr ATTRIBUTE_UNUSED)
+{
+ return FALSE;
}
static int
-oasys_stat_arch_elt(abfd, buf)
-bfd *abfd;
-struct stat *buf;
+oasys_generic_stat_arch_elt (bfd *abfd, struct stat *buf)
{
- oasys_module_info_type *mod = abfd->arelt_data;
- if (mod == (oasys_module_info_type *)NULL) {
- bfd_error = invalid_operation;
- return -1;
- }
- else {
- buf->st_size = mod->size;
- buf->st_mode = 0666;
- return 0;
- }
+ oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data;
+ if (mod == NULL)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return -1;
+ }
+ buf->st_size = mod->size;
+ buf->st_mode = 0666;
+ return 0;
}
+static int
+oasys_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
-/*SUPPRESS 460 */
-bfd_target oasys_vec =
+#define oasys_close_and_cleanup _bfd_generic_close_and_cleanup
+#define oasys_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
+#define oasys_slurp_armap bfd_true
+#define oasys_slurp_extended_name_table bfd_true
+#define oasys_construct_extended_name_table ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_true)
+#define oasys_truncate_arname bfd_dont_truncate_arname
+#define oasys_write_armap ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) bfd_true)
+#define oasys_read_ar_hdr bfd_nullvoidptr
+#define oasys_get_elt_at_index _bfd_generic_get_elt_at_index
+#define oasys_update_armap_timestamp bfd_true
+#define oasys_bfd_is_local_label_name bfd_generic_is_local_label_name
+#define oasys_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
+#define oasys_get_lineno _bfd_nosymbols_get_lineno
+#define oasys_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define oasys_read_minisymbols _bfd_generic_read_minisymbols
+#define oasys_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
+#define oasys_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
+#define oasys_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
+#define oasys_set_arch_mach bfd_default_set_arch_mach
+#define oasys_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
+#define oasys_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
+#define oasys_bfd_relax_section bfd_generic_relax_section
+#define oasys_bfd_gc_sections bfd_generic_gc_sections
+#define oasys_bfd_merge_sections bfd_generic_merge_sections
+#define oasys_bfd_is_group_section bfd_generic_is_group_section
+#define oasys_bfd_discard_group bfd_generic_discard_group
+#define oasys_section_already_linked _bfd_generic_section_already_linked
+#define oasys_bfd_define_common_symbol bfd_generic_define_common_symbol
+#define oasys_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define oasys_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
+#define oasys_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define oasys_bfd_link_just_syms _bfd_generic_link_just_syms
+#define oasys_bfd_final_link _bfd_generic_final_link
+#define oasys_bfd_link_split_section _bfd_generic_link_split_section
+
+const bfd_target oasys_vec =
{
- "oasys", /* name */
- bfd_target_oasys_flavour_enum,
- true, /* target byte order */
- true, /* target headers byte order */
- (HAS_RELOC | EXEC_P | /* object flags */
+ "oasys", /* Name. */
+ bfd_target_oasys_flavour,
+ BFD_ENDIAN_BIG, /* Target byte order. */
+ BFD_ENDIAN_BIG, /* Target headers byte order. */
+ (HAS_RELOC | EXEC_P | /* Object flags. */
HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
- (SEC_CODE|SEC_DATA|SEC_ROM|SEC_HAS_CONTENTS
- |SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- 0, /* valid reloc types */
- ' ', /* ar_pad_char */
- 16, /* ar_max_namelen */
- oasys_close_and_cleanup, /* _close_and_cleanup */
- oasys_set_section_contents, /* bfd_set_section_contents */
- oasys_get_section_contents,
- oasys_new_section_hook, /* new_section_hook */
- 0, /* _core_file_failing_command */
- 0, /* _core_file_failing_signal */
- 0, /* _core_file_matches_ex...p */
-
- 0, /* bfd_slurp_bsd_armap, bfd_slurp_armap */
- bfd_true, /* bfd_slurp_extended_name_table */
- bfd_bsd_truncate_arname, /* bfd_truncate_arname */
-
- oasys_get_symtab_upper_bound, /* get_symtab_upper_bound */
- oasys_get_symtab, /* canonicalize_symtab */
- 0, /* oasys_reclaim_symbol_table, bfd_reclaim_symbol_table */
- oasys_get_reloc_upper_bound, /* get_reloc_upper_bound */
- oasys_canonicalize_reloc, /* bfd_canonicalize_reloc */
- 0, /* oasys_reclaim_reloc, bfd_reclaim_reloc */
- 0, /* oasys_get_symcount_upper_bound, bfd_get_symcount_upper_bound */
- 0, /* oasys_get_first_symbol, bfd_get_first_symbol */
- 0, /* oasys_get_next_symbol, bfd_get_next_symbol */
- 0, /* oasys_classify_symbol, bfd_classify_symbol */
- 0, /* oasys_symbol_hasclass, bfd_symbol_hasclass */
- 0, /* oasys_symbol_name, bfd_symbol_name */
- 0, /* oasys_symbol_value, bfd_symbol_value */
-
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+ (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
+ | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
+ 0, /* Leading underscore. */
+ ' ', /* AR_pad_char. */
+ 16, /* AR_max_namelen. */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */
{_bfd_dummy_target,
- oasys_object_p, /* bfd_check_format */
- oasys_archive_p,
- bfd_false
- },
- {
+ oasys_object_p, /* bfd_check_format. */
+ oasys_archive_p,
+ _bfd_dummy_target,
+ },
+ { /* bfd_set_format. */
bfd_false,
- oasys_mkobject,
+ oasys_mkobject,
_bfd_generic_mkarchive,
bfd_false
- },
- oasys_make_empty_symbol,
- oasys_print_symbol,
- bfd_false, /* oasys_get_lineno,*/
- oasys_set_arch_mach, /* bfd_set_arch_mach,*/
- bfd_false,
- oasys_openr_next_archived_file,
- oasys_find_nearest_line, /* bfd_find_nearest_line */
- oasys_stat_arch_elt, /* bfd_stat_arch_elt */
+ },
+ { /* bfd_write_contents. */
+ bfd_false,
+ oasys_write_object_contents,
+ _bfd_write_archive_contents,
+ bfd_false,
+ },
+
+ BFD_JUMP_TABLE_GENERIC (oasys),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (oasys),
+ BFD_JUMP_TABLE_SYMBOLS (oasys),
+ BFD_JUMP_TABLE_RELOCS (oasys),
+ BFD_JUMP_TABLE_WRITE (oasys),
+ BFD_JUMP_TABLE_LINK (oasys),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
+ NULL
};
projects / deliverable / binutils-gdb.git / blobdiff