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Diffstat (limited to 'contrib/binutils/bfd/elf32-arc.c')
-rw-r--r--contrib/binutils/bfd/elf32-arc.c52
1 files changed, 38 insertions, 14 deletions
diff --git a/contrib/binutils/bfd/elf32-arc.c b/contrib/binutils/bfd/elf32-arc.c
index 82b6104..ad7247a 100644
--- a/contrib/binutils/bfd/elf32-arc.c
+++ b/contrib/binutils/bfd/elf32-arc.c
@@ -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). */
@@ -50,7 +53,7 @@ static reloc_howto_type elf_arc_howto_table[] =
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_ARC_NONE", /* name */
- false, /* partial_inplace */
+ true, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
false), /* pcrel_offset */
@@ -65,7 +68,7 @@ static reloc_howto_type elf_arc_howto_table[] =
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_ARC_32", /* name */
- false, /* partial_inplace */
+ true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
@@ -80,7 +83,7 @@ static reloc_howto_type elf_arc_howto_table[] =
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_ARC_B26", /* name */
- false, /* partial_inplace */
+ true, /* partial_inplace */
0x00ffffff, /* src_mask */
0x00ffffff, /* dst_mask */
false), /* pcrel_offset */
@@ -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 */
- false, /* partial_inplace */
+ true, /* partial_inplace */
0x07ffff80, /* src_mask */
0x07ffff80, /* dst_mask */
- true), /* pcrel_offset */
-
+ 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;
}
@@ -155,7 +156,7 @@ static boolean
arc_elf_object_p (abfd)
bfd *abfd;
{
- int mach = bfd_mach_arc_6;
+ unsigned int mach = bfd_mach_arc_6;
if (elf_elfheader(abfd)->e_machine == EM_ARC)
{
@@ -207,11 +208,34 @@ arc_elf_final_write_processing (abfd, linker)
val = E_ARC_MACH_ARC8;
break;
}
- elf_elfheader (abfd)->e_machine = EM_ARC;
elf_elfheader (abfd)->e_flags &=~ EF_ARC_MACH;
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
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