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binutils-gdb
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Fixed problem where pc relative stuff was not being translated 

properly. Oasys keeps no -ve pc in the disp of a branch, so we fake
it.
This commit is contained in:
Steve Chamberlain 1991-05-07 19:13:58 +00:00
parent bc488d8923
commit dcf22de996
1 changed files with 41 additions and 7 deletions
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48
bfd/oasys.c
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@ -530,7 +530,7 @@ DEFUN(oasys_slurp_section_data,(abfd),
oasys_reloc_type *r =
(oasys_reloc_type *)
bfd_alloc(abfd,
sizeof(oasys_reloc_type));
sizeof(oasys_reloc_type));
*(per->reloc_tail_ptr) = r;
per->reloc_tail_ptr = &r->next;
r->next= (oasys_reloc_type *)NULL;
@ -546,6 +546,16 @@ DEFUN(oasys_slurp_section_data,(abfd),
r->relent.howto = &howto_table[reloc>>6];
r->relent.sym_ptr_ptr = (asymbol **)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 == true) {
r->relent.addend -= dst_ptr - dst_base_ptr;
}
}
break;
@ -555,7 +565,7 @@ DEFUN(oasys_slurp_section_data,(abfd),
oasys_reloc_type *r =
(oasys_reloc_type *)
bfd_alloc(abfd,
sizeof(oasys_reloc_type));
sizeof(oasys_reloc_type));
*(per->reloc_tail_ptr) = r;
per->reloc_tail_ptr = &r->next;
r->next= (oasys_reloc_type *)NULL;
@ -572,6 +582,16 @@ DEFUN(oasys_slurp_section_data,(abfd),
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 == true) {
r->relent.addend -= dst_ptr - dst_base_ptr;
}
}
break;
case RELOCATION_TYPE_COM:
@ -914,6 +934,20 @@ DEFUN(oasys_write_data, (abfd),
*mod |= (1<<i);
if(how->pc_relative) {
rel_byte = 0x80;
/* Also patch the raw data so that it doesn't have
the -ve stuff any more */
if (how->size != 2) {
bfd_putshort(abfd,
bfd_getshort(abfd,raw_data) +
current_byte_index, raw_data);
}
else {
bfd_putlong(abfd,
bfd_getlong(abfd,raw_data) +
current_byte_index, raw_data);
}
}
else {
rel_byte = 0;
@ -921,7 +955,7 @@ DEFUN(oasys_write_data, (abfd),
if (how->size ==2) {
rel_byte |= 0x40;
}
/* Is this a section relative relocation, or a symbol
relative relocation ? */
if (r->section != (asection*)NULL)
@ -1134,9 +1168,9 @@ unsigned int *line_ptr;
}
static int
oasys_generic_stat_arch_elt(abfd, buf)
bfd *abfd;
struct stat *buf;
DEFUN(oasys_generic_stat_arch_elt,(abfd, buf),
bfd *abfd AND
struct stat *buf)
{
oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data;
if (mod == (oasys_module_info_type *)NULL) {
@ -1146,7 +1180,7 @@ struct stat *buf;
else {
buf->st_size = mod->size;
buf->st_mode = 0666;
return 0;
return 0;
}
}