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Fix (for the last time, I hope) handling of R_ARC_B22_PCREL.

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This commit is contained in:
Nick Clifton 2001-10-02 14:28:42 +00:00
parent 32a5aae294
commit ea04a8f6ec
1 changed files with 32 additions and 7 deletions
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39
bfd/elf32-arc.c
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@ -23,6 +23,7 @@
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/arc.h"
#include "libiberty.h"
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
@ -32,6 +33,8 @@ static boolean arc_elf_object_p
PARAMS ((bfd *));
static void arc_elf_final_write_processing
PARAMS ((bfd *, boolean));
static bfd_reloc_status_type arc_elf_b22_pcrel
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
/* Try to minimize the amount of space occupied by relocation tables
on the ROM (not that the ROM won't be swamped by other ELF overhead). */
@ -93,13 +96,12 @@ static reloc_howto_type elf_arc_howto_table[] =
true, /* pc_relative */
7, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
arc_elf_b22_pcrel, /* special_function */
"R_ARC_B22_PCREL", /* name */
true, /* partial_inplace */
0x07ffff80, /* src_mask */
0x07ffff80, /* dst_mask */
false), /* pcrel_offset */
};
/* Map BFD reloc types to ARC ELF reloc types. */
@ -126,11 +128,10 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code)
{
unsigned int i;
for (i = 0; i < sizeof (arc_reloc_map) / sizeof (struct arc_reloc_map); i++)
{
if (arc_reloc_map[i].bfd_reloc_val == code)
return &elf_arc_howto_table[arc_reloc_map[i].elf_reloc_val];
}
for (i = ARRAY_SIZE (arc_reloc_map); i--;)
if (arc_reloc_map[i].bfd_reloc_val == code)
return elf_arc_howto_table + arc_reloc_map[i].elf_reloc_val;
return NULL;
}
@ -211,6 +212,30 @@ arc_elf_final_write_processing (abfd, linker)
elf_elfheader (abfd)->e_flags |= val;
}
bfd_reloc_status_type
arc_elf_b22_pcrel (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
bfd * abfd;
arelent * reloc_entry;
asymbol * symbol;
PTR data;
asection * input_section;
bfd * output_bfd;
char ** error_message;
{
/* If linking, back up the final symbol address by the address of the
reloc. This cannot be accomplished by setting the pcrel_offset
field to true, as bfd_install_relocation will detect this and refuse
to install the offset in the first place, but bfd_perform_relocation
will still insist on removing it. */
if (output_bfd == (bfd *) NULL)
reloc_entry->addend -= reloc_entry->address;
/* Fall through to the default elf reloc handler. */
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
input_section, output_bfd, error_message);
}
#define TARGET_LITTLE_SYM bfd_elf32_littlearc_vec
#define TARGET_LITTLE_NAME "elf32-littlearc"
#define TARGET_BIG_SYM bfd_elf32_bigarc_vec