-/*#define UNDERSCORE_HACK 0*/
+#define UNDERSCORE_HACK 1
+#define offsetof(type, identifier) (size_t) &(((type *) 0)->identifier)
/*
bfd backend for oasys objects.
- Object files contain records in order:
-
- optional header
- symbol records
- section records
- data records
- debugging records
- end record
-
-
-
- Written by Steve Chamberlain
- steve@cygnus.com
+ Written by Steve Chamberlain
+ steve@cygnus.com
+ $Id$
*/
#define obstack_chunk_alloc malloc
#define obstack_chunk_free free
+#define oasys_malloc(abfd,size) \
+ obstack_alloc( &( oasys_data(abfd)->oasys_obstack), (size))
+
typedef void generic_symbol_type;
-void DEFUN(oasys_read_record,(abfd, record),
- bfd *abfd AND
+static void
+DEFUN(oasys_read_record,(abfd, record),
+ bfd *CONST abfd AND
oasys_record_union_type *record)
{
abfd);
}
static size_t
-oasys_string_length(record)
-oasys_record_union_type *record;
+DEFUN(oasys_string_length,(record),
+ oasys_record_union_type *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.
-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'll sort the symbolss into two lists, defined and undefined. The
+undefined symbols will be placed into the table according to their
+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.
*/
static boolean
-oasys_slurp_symbol_table(abfd)
-bfd *abfd;
+DEFUN(oasys_slurp_symbol_table,(abfd),
+ bfd * CONST abfd)
{
oasys_record_union_type record;
oasys_data_type *data = oasys_data(abfd);
}
/* Buy enough memory for all the symbols and all the names */
data->symbols =
- (asymbol *)malloc(sizeof(asymbol) * abfd->symcount);
+ (asymbol *)oasys_malloc(abfd, sizeof(asymbol) * abfd->symcount);
#ifdef UNDERSCORE_HACK
/* buy 1 more char for each symbol to keep the underscore in*/
- data->strings = malloc(data->symbol_string_length +
- abfd->symcount);
+ data->strings = oasys_malloc(abfd, data->symbol_string_length +
+ abfd->symcount);
#else
- data->strings = malloc(data->symbol_string_length);
+ data->strings = oasys_malloc(abfd, data->symbol_string_length);
#endif
dest_undefined = data->symbols;
case oasys_record_is_local_enum:
case oasys_record_is_symbol_enum:
{
-int flag = record.header.type == oasys_record_is_local_enum ?
+ int flag = record.header.type == oasys_record_is_local_enum ?
(BSF_LOCAL) : (BSF_GLOBAL | BSF_EXPORT);
size_t length = oasys_string_length(&record);
- switch (record.symbol.relb[0] & RELOCATION_TYPE_BITS) {
+ switch (record.symbol.relb & RELOCATION_TYPE_BITS) {
case RELOCATION_TYPE_ABS:
dest = dest_defined--;
dest->section = 0;
case RELOCATION_TYPE_REL:
dest = dest_defined--;
dest->section =
- oasys_data(abfd)->sections[record.symbol.relb[0] &
+ oasys_data(abfd)->sections[record.symbol.relb &
RELOCATION_SECT_BITS];
if (record.header.type == oasys_record_is_local_enum)
{
}
break;
case RELOCATION_TYPE_UND:
- dest = dest_undefined++;
+ dest = data->symbols + bfd_h_getshort(abfd, &record.symbol.refno[0]);
dest->section = (asection *)NULL;
dest->flags = BSF_UNDEFINED;
break;
}
dest->name = string_ptr;
dest->the_bfd = abfd;
- dest->udata = (void *)NULL;
- dest->value = bfd_h_getlong(abfd, &record.symbol.value);
-#if UNDERSCORE_HACK
- string_ptr[0] = '_';
- string_ptr++;
+ dest->udata = (PTR)NULL;
+ dest->value = bfd_h_getlong(abfd, &record.symbol.value[0]);
+
+#ifdef UNDERSCORE_HACK
+ if (record.symbol.name[0] != '_') {
+ string_ptr[0] = '_';
+ string_ptr++;
+ }
#endif
memcpy(string_ptr, record.symbol.name, length);
}
-size_t
-oasys_get_symtab_upper_bound (abfd)
-bfd *abfd;
+static size_t
+DEFUN(oasys_get_symtab_upper_bound,(abfd),
+ bfd *CONST abfd)
{
oasys_slurp_symbol_table (abfd);
extern bfd_target oasys_vec;
unsigned int
-oasys_get_symtab (abfd, location)
-bfd *abfd;
-asymbol **location;
+DEFUN(oasys_get_symtab,(abfd, location),
+ bfd *abfd AND
+ asymbol **location)
{
asymbol *symbase ;
unsigned int counter ;
* archive stuff
*/
#define swap(x) x = bfd_h_get_x(abfd, &x);
-bfd_target *
-oasys_archive_p(abfd)
-bfd *abfd;
+static bfd_target *
+DEFUN(oasys_archive_p,(abfd),
+ bfd *abfd)
{
oasys_archive_header_type header;
unsigned int i;
*/
{
oasys_ar_data_type *ar =
- (oasys_ar_data_type*) malloc(sizeof(oasys_ar_data_type));
+ (oasys_ar_data_type*) oasys_malloc(abfd, sizeof(oasys_ar_data_type));
oasys_module_info_type *module =
(oasys_module_info_type*)
- malloc(sizeof(oasys_module_info_type) * header.mod_count);
+ oasys_malloc(abfd, sizeof(oasys_module_info_type) * header.mod_count);
oasys_module_table_type record;
swap(record.mod_size);
swap(record.file_offset);
swap(record.mod_name_length);
- module[i].name = malloc(record.mod_name_length+1);
+ module[i].name = oasys_malloc(abfd,record.mod_name_length+1);
bfd_read(module[i].name, 1, record.mod_name_length +1, abfd);
/* SKip some stuff */
return abfd->xvec;
}
-#define MAX_SECS 16
-bfd_target *
-oasys_object_p (abfd)
-bfd *abfd;
+static boolean
+DEFUN(oasys_mkobject,(abfd),
+ bfd *abfd)
{
+ struct obstack tmp_obstack;
oasys_data_type *oasys;
- oasys_data_type static_data;
+ obstack_init(&tmp_obstack);
+ BFD_ASSERT(oasys_data(abfd) == 0);
+ oasys_data(abfd) =
+ (oasys_data_type*)obstack_alloc(&tmp_obstack,sizeof(oasys_data_type));
+ oasys = oasys_data(abfd);
+ oasys->oasys_obstack = tmp_obstack;
+ return true;
+}
+#define MAX_SECS 16
+static bfd_target *
+DEFUN(oasys_object_p,(abfd),
+ bfd *abfd)
+{
+ oasys_data_type *oasys;
boolean loop = true;
-
-
boolean had_usefull = false;
-
- memset((PTR)static_data.sections, 0xff, sizeof(static_data.sections));
+ oasys_data(abfd) = 0;
+ oasys_mkobject(abfd);
+ oasys = oasys_data(abfd);
+ memset((PTR)oasys->sections, 0xff, sizeof(oasys->sections));
/* Point to the start of the file */
bfd_seek(abfd, (file_ptr)0, SEEK_SET);
- static_data.symbol_string_length = 0;
+ oasys->symbol_string_length = 0;
/* Inspect the records, but only keep the section info -
remember the size of the symbols
*/
- static_data.first_data_record = 0;
+ oasys->first_data_record = 0;
while (loop) {
-
oasys_record_union_type record;
oasys_read_record(abfd, &record);
- if (record.header.length < sizeof(record.header))
- return (bfd_target *)NULL;
+ if (record.header.length < sizeof(record.header))
+ goto fail;
+
switch ((oasys_record_enum_type)(record.header.type)) {
case oasys_record_is_header_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);
+ 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))
- {
- return (bfd_target *)NULL;
+ {
+ asection *s;
+ char *buffer;
+ unsigned int section_number;
+ if (record.section.header.length != sizeof(record.section))
+ {
+ goto fail;
+ }
+ buffer = oasys_malloc(abfd, 3);
+ 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();
}
- 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();
- }
-
- 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;
- }
+ s->size = bfd_h_getlong(abfd, & record.section.value[0]) ;
+ s->vma = bfd_h_getlong(abfd, &record.section.vma[0]);
+ 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;
+ 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 == false) return (bfd_target *)NULL;
+ if (had_usefull == false) goto fail;
loop = false;
break;
default:
- return (bfd_target *)NULL;
+ goto fail;
}
}
- 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
- */
+ 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;
+
+ fail:
+ (void) obstack_finish(&oasys->oasys_obstack);
+ return (bfd_target *)NULL;
}
-void
-oasys_print_symbol(ignore_abfd, file, symbol, how)
-bfd *ignore_abfd;
-FILE *file;
-asymbol *symbol;
-bfd_print_symbol_enum_type how;
+static void
+DEFUN(oasys_print_symbol,(ignore_abfd, file, symbol, how),
+ bfd *ignore_abfd AND
+ FILE *file AND
+ asymbol *symbol AND
+ bfd_print_symbol_enum_type how)
{
switch (how) {
case bfd_print_symbol_name_enum:
break;
case bfd_print_symbol_all_enum:
{
- char *section_name = symbol->section == (asection *)NULL ?
+CONST char *section_name = symbol->section == (asection *)NULL ?
"*abs" : symbol->section->name;
- bfd_print_symbol_vandf((void *)file,symbol);
+ bfd_print_symbol_vandf((PTR)file,symbol);
fprintf(file," %-5s %s",
section_name,
{
/* 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}
+{ 0, 0, 1, 16, false,0, true,true,0,"abs16",true,0x0000ffff, 0x0000ffff},
+{ 0, 0, 2, 32, false,0, true,true,0,"abs32",true,0xffffffff, 0xffffffff},
+{ 0, 0, 1, 16, true,0, true,true,0,"pcrel16",true,0x0000ffff, 0x0000ffff},
+{ 0, 0, 2, 32, true,0, true,true,0,"pcrel32",true,0xffffffff, 0xffffffff}
};
/* Read in all the section data and relocation stuff too */
-static boolean oasys_slurp_section_data(abfd)
-bfd *abfd;
+static boolean
+DEFUN(oasys_slurp_section_data,(abfd),
+ bfd *CONST abfd)
{
oasys_record_union_type record;
oasys_data_type *data = oasys_data(abfd);
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->data = (bfd_byte *) oasys_malloc(abfd, s->size);
per->reloc_tail_ptr = (oasys_reloc_type **)&(s->relocation);
+ per->had_vma = false;
+ s->reloc_count = 0;
}
if (data->first_data_record == 0) return true;
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];
+ asection * section =
+ data->sections[record.data.relb & RELOCATION_SECT_BITS];
+ bfd_vma dst_offset ;
per = oasys_per_section(section);
+ dst_offset = bfd_h_getlong(abfd, record.data.addr) ;
+ if (per->had_vma == false) {
+ /* 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;
/* Relocate the item relative to the section */
oasys_reloc_type *r =
(oasys_reloc_type *)
- obstack_alloc(&per->reloc_obstack,
- sizeof(oasys_reloc_type));
+ oasys_malloc(abfd,
+ sizeof(oasys_reloc_type));
*(per->reloc_tail_ptr) = r;
per->reloc_tail_ptr = &r->next;
r->next= (oasys_reloc_type *)NULL;
/* Work out the howto */
r->relent.section =
data->sections[reloc & RELOCATION_SECT_BITS];
- r->relent.addend = 0;
+ r->relent.addend = - r->relent.section->vma;
r->relent.address = dst_ptr - dst_base_ptr;
r->relent.howto = &howto_table[reloc>>6];
r->relent.sym_ptr_ptr = (asymbol **)NULL;
section->reloc_count++;
-
}
break;
{
oasys_reloc_type *r =
(oasys_reloc_type *)
- obstack_alloc(&per->reloc_obstack,
- sizeof(oasys_reloc_type));
+ oasys_malloc(abfd,
+ sizeof(oasys_reloc_type));
*(per->reloc_tail_ptr) = r;
per->reloc_tail_ptr = &r->next;
r->next= (oasys_reloc_type *)NULL;
r->relent.address = dst_ptr - dst_base_ptr;
r->relent.howto = &howto_table[reloc>>6];
r->relent.sym_ptr_ptr = (asymbol **)NULL;
-
section->reloc_count++;
+
src+=2;
}
break;
+bfd_error_vector_type bfd_error_vector;
-
-boolean
-oasys_new_section_hook (abfd, newsect)
-bfd *abfd;
-asection *newsect;
+static boolean
+DEFUN(oasys_new_section_hook,(abfd, newsect),
+ bfd *abfd AND
+ asection *newsect)
{
newsect->used_by_bfd = (oasys_per_section_type *)
- malloc(sizeof(oasys_per_section_type));
+ oasys_malloc(abfd, 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;
+ newsect->alignment_power = 3;
+ /* Turn the section string into an index */
+
+ sscanf(newsect->name,"%u", &newsect->target_index);
+
return true;
}
-unsigned int
-oasys_get_reloc_upper_bound (abfd, asect)
-bfd *abfd;
-sec_ptr asect;
+static unsigned int
+DEFUN(oasys_get_reloc_upper_bound, (abfd, asect),
+ bfd *abfd AND
+ sec_ptr asect)
{
oasys_slurp_section_data(abfd);
return (asect->reloc_count+1) * sizeof(arelent *);
}
static boolean
-oasys_get_section_contents (abfd, section, location, offset, count)
-bfd *abfd;
-sec_ptr section;
-void *location;
-file_ptr offset;
-unsigned int count;
+DEFUN(oasys_get_section_contents,(abfd, section, location, offset, count),
+ bfd *abfd AND
+ sec_ptr section AND
+ void *location AND
+ file_ptr offset AND
+ unsigned int count)
{
oasys_per_section_type *p = section->used_by_bfd;
oasys_slurp_section_data(abfd);
unsigned int
-oasys_canonicalize_reloc (abfd, section, relptr, symbols)
-bfd *abfd;
-sec_ptr section;
-arelent **relptr;
-asymbol **symbols;
+DEFUN(oasys_canonicalize_reloc,(abfd, section, relptr, symbols),
+ bfd *abfd AND
+ sec_ptr section AND
+ arelent **relptr AND
+ asymbol **symbols)
{
+ unsigned int reloc_count = 0;
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;
- }
+ if (src->relent.section == (asection *)NULL)
+ {
+ src->relent.sym_ptr_ptr = symbols + src->symbol;
+ }
*relptr ++ = &src->relent;
src = src->next;
+ reloc_count++;
}
*relptr = (arelent *)NULL;
- return section->reloc_count;
+ return section->reloc_count = reloc_count;
}
+
boolean
-oasys_set_arch_mach (abfd, arch, machine)
-bfd *abfd;
-enum bfd_architecture arch;
-unsigned long machine;
+DEFUN(oasys_set_arch_mach, (abfd, arch, machine),
+ bfd *abfd AND
+ enum bfd_architecture arch AND
+ unsigned long machine)
{
abfd->obj_arch = arch;
abfd->obj_machine = machine;
return true;
}
-boolean
-oasys_mkobject(abfd)
-bfd *abfd;
+
+
+/* Writing */
+
+
+/* Calculate the checksum and write one record */
+static void
+DEFUN(oasys_write_record,(abfd, type, record, size),
+ bfd *CONST abfd AND
+ CONST oasys_record_enum_type type AND
+ oasys_record_union_type *record AND
+ CONST size_t size)
{
- 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;
+ int checksum;
+ size_t i;
+ uint8e_type *ptr;
+ record->header.length = size;
+ record->header.type = type;
+ record->header.check_sum = 0;
+ record->header.fill = 0;
+ ptr = &record->pad[0];
+ checksum = 0;
+ for (i = 0; i < size; i++) {
+ checksum += *ptr++;
}
+ record->header.check_sum = 0xff & (- checksum);
+ bfd_write((PTR)record, 1, size, abfd);
+}
- return true;
+
+/* Write out all the symbols */
+static void
+DEFUN(oasys_write_syms, (abfd),
+ bfd * CONST abfd)
+{
+ unsigned int count;
+ asymbol **generic = bfd_get_outsymbols(abfd);
+ unsigned int index = 0;
+ 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;
+
+ if (g->flags & BSF_FORT_COMM) {
+ symbol.relb = RELOCATION_TYPE_COM;
+ bfd_h_putshort(abfd, index, (uint8e_type *)(&symbol.refno[0]));
+ index++;
+ }
+ else if (g->flags & BSF_ABSOLUTE) {
+ symbol.relb = RELOCATION_TYPE_ABS;
+ bfd_h_putshort(abfd, 0, (uint8e_type *)(&symbol.refno[0]));
+
+ }
+ else if (g->flags & BSF_UNDEFINED) {
+ symbol.relb = RELOCATION_TYPE_UND ;
+ bfd_h_putshort(abfd, index, (uint8e_type *)(&symbol.refno[0]));
+ /* Overload the value field with the output index number */
+ index++;
+ }
+ else if (g->flags & BSF_DEBUGGING) {
+ /* throw it away */
+ continue;
+ }
+ else {
+ symbol.relb = RELOCATION_TYPE_REL | g->section->output_section->target_index;
+ bfd_h_putshort(abfd, 0, (uint8e_type *)(&symbol.refno[0]));
+ }
+ while (src[l]) {
+ dst[l] = src[l];
+ l++;
+ }
+
+ bfd_h_putlong(abfd, g->value, symbol.value);
+
+
+ if (g->flags & BSF_LOCAL) {
+ oasys_write_record(abfd,
+ oasys_record_is_local_enum,
+ (oasys_record_union_type *) &symbol,
+ offsetof(oasys_symbol_record_type, name[0]) + l);
+ }
+ else {
+ oasys_write_record(abfd,
+ oasys_record_is_symbol_enum,
+ (oasys_record_union_type *) &symbol,
+ offsetof(oasys_symbol_record_type, name[0]) + l);
+ }
+ g->value = index-1;
+ }
+}
+
+
+ /* Write a section header for each section */
+static void
+DEFUN(oasys_write_sections, (abfd),
+ bfd *CONST abfd)
+{
+ asection *s;
+ static oasys_section_record_type out = {0};
+
+ for (s = abfd->sections; s != (asection *)NULL; s = s->next) {
+ if (!isdigit(s->name[0]))
+ {
+ bfd_error_vector.nonrepresentable_section(abfd,
+ s->name);
+ }
+ out.relb = RELOCATION_TYPE_REL | s->target_index;
+ bfd_h_putlong(abfd, s->size, out.value);
+ bfd_h_putlong(abfd, s->vma, out.vma);
+
+ oasys_write_record(abfd,
+ oasys_record_is_section_enum,
+ (oasys_record_union_type *) &out,
+ sizeof(out));
+ }
}
+static void
+DEFUN(oasys_write_header, (abfd),
+ bfd *CONST abfd)
+{
+ /* Create and write the header */
+ oasys_header_record_type r;
+ size_t length = strlen(abfd->filename);
+ if (length > sizeof(r.module_name)) {
+ length = sizeof(r.module_name);
+ }
+ (void)memcpy(r.module_name,
+ abfd->filename,
+ length);
+ (void)memset(r.module_name + length,
+ ' ',
+ sizeof(r.module_name) - length);
+ r.version_number = OASYS_VERSION_NUMBER;
+ r.rev_number = OASYS_REV_NUMBER;
+ oasys_write_record(abfd,
+ oasys_record_is_header_enum,
+ (oasys_record_union_type *)&r,
+ offsetof(oasys_header_record_type, description[0]));
+}
static void
-init_for_output(abfd)
-bfd *abfd;
+DEFUN(oasys_write_end,(abfd),
+ bfd *CONST abfd)
+{
+ oasys_end_record_type end;
+ end.relb = RELOCATION_TYPE_ABS;
+ bfd_h_putlong(abfd, abfd->start_address, end.entry);
+ bfd_h_putshort(abfd, 0, end.fill);
+ end.zero =0;
+ oasys_write_record(abfd,
+ oasys_record_is_end_enum,
+ (oasys_record_union_type *)&end,
+ sizeof(end));
+}
+
+static int
+DEFUN(comp,(ap, bp),
+ arelent **ap AND
+ arelent **bp)
+{
+ arelent *a = *ap;
+ arelent *b = *bp;
+ return a->address - b->address;
+}
+
+/*
+ Writing data..
+
+*/
+static void
+DEFUN(oasys_write_data, (abfd),
+ bfd *CONST abfd)
{
- asection *s;
+ 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));
+ uint8e_type *raw_data = oasys_per_section(s)->data;
+ oasys_data_record_type processed_data;
+ unsigned int current_byte_index = 0;
+ unsigned int relocs_to_go = s->reloc_count;
+ arelent **p = s->orelocation;
+ 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);
}
+ 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 */
+ uint8e_type *mod = &processed_data.data[0];
+ uint8e_type *dst = &processed_data.data[1];
+
+ unsigned int i;
+ unsigned int long_length = 128;
+
+
+ bfd_h_putlong(abfd, s->vma + current_byte_index, processed_data.addr);
+ if (long_length + current_byte_index > s->size) {
+ long_length = s->size - current_byte_index;
+ }
+ while (long_length > 0 && (dst - (uint8e_type*)&processed_data < 128)) {
+
+ unsigned int length = long_length;
+ *mod =0;
+ if (length > 8)
+ length = 8;
+
+ for (i = 0; i < length; i++) {
+ if (relocs_to_go != 0) {
+ arelent *r = *p;
+ reloc_howto_type *CONST how=r->howto;
+ /* There is a relocation, is it for this byte ? */
+ if (r->address == current_byte_index) {
+ uint8e_type rel_byte;
+ p++;
+ relocs_to_go--;
+
+ *mod |= (1<<i);
+ if(how->pc_relative) {
+ rel_byte = 0x80;
+ }
+ else {
+ rel_byte = 0;
+ }
+ if (how->size ==2) {
+ rel_byte |= 0x40;
+ }
+
+ /* Is this a section relative relocation, or a symbol
+ relative relocation ? */
+ if (r->section != (asection*)NULL)
+ {
+ /* The relent has a section attatched, so it must be section
+ relative */
+ rel_byte |= RELOCATION_TYPE_REL;
+ rel_byte |= r->section->output_section->target_index;
+ *dst++ = rel_byte;
+ }
+ else
+ {
+ asymbol *p = *(r->sym_ptr_ptr);
+
+ /* If this symbol has a section attatched, then it
+ has already been resolved. Change from a symbol
+ ref to a section ref */
+ if(p->section != (asection *)NULL) {
+ rel_byte |= RELOCATION_TYPE_REL;
+ rel_byte |=
+ p->section->output_section->target_index;
+ *dst++ = rel_byte;
+ }
+ else {
+ rel_byte |= RELOCATION_TYPE_UND;
+
+
+ *dst++ = rel_byte;
+ /* Next two bytes are a symbol index - we can get
+ this from the symbol value which has been zapped
+ into the symbol index in the table when the
+ symbol table was written
+ */
+ *dst++ = p->value >> 8;
+ *dst++ = p->value;
+ }
+
+ }
+ }
+ }
+ /* If this is coming from an unloadable section then copy
+ zeros */
+ if (raw_data == (uint8e_type *)NULL) {
+ *dst++ = 0;
+ }
+ else {
+ *dst++ = *raw_data++;
+ }
+ current_byte_index++;
+ }
+ mod = dst++;
+ long_length -= length;
+ }
+
+ oasys_write_record(abfd,
+ oasys_record_is_data_enum,
+ (oasys_record_union_type *)&processed_data,
+ dst - (uint8e_type*)&processed_data);
+
+ }
}
}
+static boolean
+DEFUN(oasys_write_object_contents, (abfd),
+ bfd * CONST abfd)
+{
+ oasys_write_header(abfd);
+ oasys_write_syms(abfd);
+ oasys_write_sections(abfd);
+ oasys_write_data(abfd);
+ oasys_write_end(abfd);
+ 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;
+static boolean
+DEFUN(oasys_set_section_contents,(abfd, section, location, offset, count),
+ bfd *abfd AND
+ sec_ptr section AND
+ unsigned char *location AND
+ file_ptr offset AND
+ int count)
{
- if (oasys_per_section(section)->data == (bfd_byte *)NULL) {
- init_for_output(abfd);
+ if (count != 0) {
+ if (oasys_per_section(section)->data == (bfd_byte *)NULL )
+ {
+ oasys_per_section(section)->data =
+ (bfd_byte *)(oasys_malloc(abfd,section->size));
+ }
+ (void) memcpy(oasys_per_section(section)->data + offset,
+ location,
+ count);
}
- (void) memcpy(oasys_per_section(section)->data + offset, location, count);
return true;
}
-\f
/* 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. */
-asymbol *
-oasys_make_empty_symbol (abfd)
-bfd *abfd;
+static asymbol *
+DEFUN(oasys_make_empty_symbol,(abfd),
+ bfd *abfd)
{
oasys_symbol_type *new =
}
-void
-oasys_reclaim_symbol_table (abfd)
-bfd *abfd;
-{
-#if 0
- asection *section;
-
- if (!bfd_get_symcount (abfd)) return;
-
- for (section = abfd->sections; section != NULL; section = section->next)
- if (section->relocation) {
- free ((void *)section->relocation);
- section->relocation = NULL;
- section->reloc_count = 0;
- }
-
- bfd_get_symcount (abfd) = 0;
- free ((void *)obj_aout_symbols (abfd));
- obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
-#endif
-}
-\f
-
\f
/* Obsbolete procedural interface; better to look at the cache directly */
/* User should have checked the file flags; perhaps we should return
BFD_NO_MORE_SYMBOLS if there are none? */
-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);
-
- return (exec_hdr (abfd)->a_syms) / (sizeof (struct nlist));
-#endif
-}
-
-symindex
-oasys_get_first_symbol (ignore_abfd)
-bfd * ignore_abfd;
-{
- return 0;
-}
-symindex
-oasys_get_next_symbol (abfd, oidx)
-bfd *abfd;
-symindex oidx;
-{
-#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
-}
-
-char *
-oasys_symbol_name (abfd, idx)
-bfd *abfd;
-symindex idx;
-{
-#if 0
- return (obj_aout_symbols (abfd) + idx)->symbol.name;
-#endif
-}
-
-long
-oasys_symbol_value (abfd, idx)
-bfd *abfd;
-symindex idx;
-{
-#if 0
- return (obj_aout_symbols (abfd) + idx)->symbol.value;
-#endif
-}
-
-symclass
-oasys_classify_symbol (abfd, idx)
-bfd *abfd;
-symindex idx;
-{
-#if 0
- aout_symbol_type *sym = obj_aout_symbols (abfd) + idx;
-
- 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;
-}
-
-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
-}
-
-
-void
-oasys_reclaim_reloc (ignore_abfd, section)
-bfd *ignore_abfd;
-sec_ptr section;
-{
-#if 0
- if (section->relocation) {
- free (section->relocation);
- section->relocation = NULL;
- section->reloc_count = 0;
- }
-#endif
-}
boolean
oasys_close_and_cleanup (abfd)
}
break;
case bfd_object:
-/* if (!oasys_write_object_contents (abfd)) */{
+ if (!oasys_write_object_contents (abfd)) {
return false;
}
break;
if (oasys_data(abfd) != (oasys_data_type *)NULL) {
- /* FIXME MORE LEAKS */
-
+ /* It's so easy to throw everything away */
+(void) obstack_finish(&(oasys_data(abfd)->oasys_obstack));
}
return true;
p->abfd->filename = p->name;
/* Fixup a pointer to this element for the member */
- p->abfd->arelt_data = (void *)p;
+ p->abfd->arelt_data = (PTR)p;
}
return p->abfd;
}
projects / binutils-gdb.git / commitdiff