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add LOCAL SECDIFF relocation for m32 mach-o

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bfd:

	* reloc.c (BFD_RELOC_MACH_O_LOCAL_SECTDIFF):
	* libbfd.h: Regenerated.
	* bfd-in2.h: Likewise.
	* mach-o-i386.c (i386_howto_table): Include local sectdiff.
	(bfd_mach_o_i386_swap_reloc_in): Update for local sectdiff.
	(bfd_mach_o_i386_swap_reloc_out): Likewise.
This commit is contained in:
Iain Sandoe 2012-02-17 10:57:33 +00:00
parent ca193e2779
commit e1e81ed3c3
5 changed files with 39 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
bfd/ChangeLog
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@ -1,3 +1,12 @@
2012-02-17 Tristan Gingold <gingold@adacore.com>
* reloc.c (BFD_RELOC_MACH_O_LOCAL_SECTDIFF):
* libbfd.h: Regenerated.
* bfd-in2.h: Likewise.
* mach-o-i386.c (i386_howto_table): Include local sectdiff.
(bfd_mach_o_i386_swap_reloc_in): Update for local sectdiff.
(bfd_mach_o_i386_swap_reloc_out): Likewise.
2012-02-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* elf32-s390.c (elf_s390_relocate_section): Support basr in the

4
bfd/bfd-in2.h
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@ -2161,6 +2161,7 @@ enum bfd_architecture
#define bfd_mach_tilegx 1
bfd_arch_last
};
typedef struct bfd_arch_info
{
int bits_per_word;
@ -4824,6 +4825,9 @@ BFD_RELOC_XTENSA_ASM_EXPAND. */
BFD_RELOC_MACH_O_PAIR. */
BFD_RELOC_MACH_O_SECTDIFF,
/* Like BFD_RELOC_MACH_O_SECTDIFF but with a local symbol. */
BFD_RELOC_MACH_O_LOCAL_SECTDIFF,
/* Pair of relocation. Contains the first symbol. */
BFD_RELOC_MACH_O_PAIR,

1
bfd/libbfd.h
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@ -2337,6 +2337,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_LM32_JMP_SLOT",
"BFD_RELOC_LM32_RELATIVE",
"BFD_RELOC_MACH_O_SECTDIFF",
"BFD_RELOC_MACH_O_LOCAL_SECTDIFF",
"BFD_RELOC_MACH_O_PAIR",
"BFD_RELOC_MACH_O_X86_64_BRANCH32",
"BFD_RELOC_MACH_O_X86_64_BRANCH8",

23
bfd/mach-o-i386.c
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@ -63,6 +63,7 @@ bfd_mach_o_i386_mkobject (bfd *abfd)
static reloc_howto_type i386_howto_table[]=
{
/* 0 */
HOWTO(BFD_RELOC_32, 0, 2, 32, FALSE, 0,
complain_overflow_bitfield,
NULL, "32",
@ -79,6 +80,7 @@ static reloc_howto_type i386_howto_table[]=
complain_overflow_bitfield,
NULL, "DISP32",
FALSE, 0xffffffff, 0xffffffff, TRUE),
/* 4 */
HOWTO(BFD_RELOC_16_PCREL, 0, 1, 16, TRUE, 0,
complain_overflow_bitfield,
NULL, "DISP16",
@ -87,6 +89,10 @@ static reloc_howto_type i386_howto_table[]=
complain_overflow_bitfield,
NULL, "SECTDIFF_32",
FALSE, 0xffffffff, 0xffffffff, FALSE),
HOWTO(BFD_RELOC_MACH_O_LOCAL_SECTDIFF, 0, 2, 32, FALSE, 0,
complain_overflow_bitfield,
NULL, "LSECTDIFF_32",
FALSE, 0xffffffff, 0xffffffff, FALSE),
HOWTO(BFD_RELOC_MACH_O_PAIR, 0, 2, 32, FALSE, 0,
complain_overflow_bitfield,
NULL, "PAIR_32",
@ -103,15 +109,19 @@ bfd_mach_o_i386_swap_reloc_in (arelent *res, bfd_mach_o_reloc_info *reloc)
case BFD_MACH_O_GENERIC_RELOC_PAIR:
if (reloc->r_length != 2)
return FALSE;
res->howto = &i386_howto_table[6];
res->howto = &i386_howto_table[7];
res->address = res[-1].address;
return TRUE;
case BFD_MACH_O_GENERIC_RELOC_SECTDIFF:
case BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF:
if (reloc->r_length != 2)
return FALSE;
res->howto = &i386_howto_table[5];
return TRUE;
case BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF:
if (reloc->r_length != 2)
return FALSE;
res->howto = &i386_howto_table[6];
return TRUE;
default:
return FALSE;
}
@ -183,6 +193,15 @@ bfd_mach_o_i386_swap_reloc_out (arelent *rel, bfd_mach_o_reloc_info *rinfo)
rinfo->r_value = (*rel->sym_ptr_ptr)->value
+ (*rel->sym_ptr_ptr)->section->vma;
break;
case BFD_RELOC_MACH_O_LOCAL_SECTDIFF:
rinfo->r_scattered = 1;
rinfo->r_type = BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF;
rinfo->r_pcrel = 0;
rinfo->r_length = 2;
rinfo->r_extern = 0;
rinfo->r_value = (*rel->sym_ptr_ptr)->value
+ (*rel->sym_ptr_ptr)->section->vma;
break;
case BFD_RELOC_MACH_O_PAIR:
rinfo->r_address = 0;
rinfo->r_scattered = 1;

4
bfd/reloc.c
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@ -5593,6 +5593,10 @@ ENUM
ENUMDOC
Difference between two section addreses. Must be followed by a
BFD_RELOC_MACH_O_PAIR.
ENUM
BFD_RELOC_MACH_O_LOCAL_SECTDIFF
ENUMDOC
Like BFD_RELOC_MACH_O_SECTDIFF but with a local symbol.
ENUM
BFD_RELOC_MACH_O_PAIR
ENUMDOC