/* 32-bit ELF support for ARM old abi option.
- Copyright 1999 Free Software Foundation, Inc.
+ Copyright 1999, 2000 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#include "elf/arm-oabi.h"
+#define OLD_ARM_ABI
+
+#include "elf/arm.h"
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "elf-bfd.h"
+#ifndef NUM_ELEM
+#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0])
+#endif
+
#define USE_RELA
#define TARGET_LITTLE_SYM bfd_elf32_littlearm_oabi_vec
#define TARGET_LITTLE_NAME "elf32-littlearm-oabi"
#define TARGET_BIG_SYM bfd_elf32_bigarm_oabi_vec
#define TARGET_BIG_NAME "elf32-bigarm-oabi"
+
#define elf_info_to_howto elf32_arm_info_to_howto
#define elf_info_to_howto_rel 0
+#define ARM_ELF_ABI_VERSION 0
+#define ARM_ELF_OS_ABI_VERSION 0
+
static reloc_howto_type elf32_arm_howto_table[] =
{
/* No relocation */
false), /* pcrel_offset */
HOWTO (R_ARM_THM_ABS5, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 6, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
5, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
HOWTO (R_ARM_THM_PC22, /* type */
1, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
- 22, /* bitsize */
+ 23, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
+ complain_overflow_dont,/* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_ARM_SBREL32", /* name */
false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
false), /* pcrel_offset */
-
+
+ /* XXX - gap in index numbering here. */
+
+ HOWTO (R_ARM_PLT32, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_ARM_PLT32", /* name */
+ true, /* partial_inplace */
+ 0x00ffffff, /* src_mask */
+ 0x00ffffff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* XXX - gap in index numbering here. */
HOWTO (R_ARM_RREL32, /* type */
0, /* rightshift */
false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
-
+ false) /* pcrel_offset */
};
+/* Locate a reloc in the howto table. This function must be used
+ when the entry number is is > R_ARM_GNU_VTINHERIT. */
+static reloc_howto_type *
+find_howto (r_type)
+ unsigned int r_type;
+{
+ int i;
+
+ for (i = NUM_ELEM (elf32_arm_howto_table); i--;)
+ if (elf32_arm_howto_table [i].type == r_type)
+ return elf32_arm_howto_table + i;
+
+ return NULL;
+}
+
static void
elf32_arm_info_to_howto (abfd, bfd_reloc, elf_reloc)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *bfd_reloc;
Elf32_Internal_Rela *elf_reloc;
{
unsigned int r_type;
r_type = ELF32_R_TYPE (elf_reloc->r_info);
- /* fixme: need range test */
- /* BFD_ASSERT (r_type < (unsigned int) R_ELF32_ARM_MAX); */
- bfd_reloc->howto = &elf32_arm_howto_table[r_type];
+
+ if (r_type <= R_ARM_GNU_VTINHERIT)
+ bfd_reloc->howto = & elf32_arm_howto_table[r_type];
+ else
+ bfd_reloc->howto = find_howto (r_type);
+}
+
+struct elf32_arm_reloc_map
+ {
+ bfd_reloc_code_real_type bfd_reloc_val;
+ unsigned char elf_reloc_val;
+ };
+
+static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] =
+{
+ {BFD_RELOC_NONE, R_ARM_NONE },
+ {BFD_RELOC_ARM_PCREL_BRANCH, R_ARM_PC24 },
+ {BFD_RELOC_32, R_ARM_ABS32 },
+ {BFD_RELOC_32_PCREL, R_ARM_REL32 },
+ {BFD_RELOC_8, R_ARM_ABS8 },
+ {BFD_RELOC_16, R_ARM_ABS16 },
+ {BFD_RELOC_ARM_OFFSET_IMM, R_ARM_ABS12 },
+ {BFD_RELOC_ARM_THUMB_OFFSET, R_ARM_THM_ABS5 },
+ {BFD_RELOC_THUMB_PCREL_BRANCH23, R_ARM_THM_PC22 },
+ {BFD_RELOC_NONE, R_ARM_SBREL32 },
+ {BFD_RELOC_NONE, R_ARM_AMP_VCALL9 },
+ {BFD_RELOC_THUMB_PCREL_BRANCH12, R_ARM_THM_PC11 },
+ {BFD_RELOC_THUMB_PCREL_BRANCH9, R_ARM_THM_PC9 },
+ {BFD_RELOC_VTABLE_INHERIT, R_ARM_GNU_VTINHERIT },
+ {BFD_RELOC_VTABLE_ENTRY, R_ARM_GNU_VTENTRY }
+};
+
+static reloc_howto_type *
+elf32_arm_reloc_type_lookup (abfd, code)
+ bfd * abfd ATTRIBUTE_UNUSED;
+ bfd_reloc_code_real_type code;
+{
+ unsigned int i;
+
+ for (i = NUM_ELEM (elf32_arm_reloc_map); i--;)
+ if (elf32_arm_reloc_map[i].bfd_reloc_val == code)
+ return & elf32_arm_howto_table [elf32_arm_reloc_map[i].elf_reloc_val];
+
+ if (code == BFD_RELOC_ARM_PLT32)
+ return find_howto (R_ARM_PLT32);
+
+ return NULL;
}
+
+#define bfd_elf32_arm_allocate_interworking_sections \
+ bfd_elf32_arm_oabi_allocate_interworking_sections
+#define bfd_elf32_arm_get_bfd_for_interworking \
+ bfd_elf32_arm_oabi_get_bfd_for_interworking
+#define bfd_elf32_arm_process_before_allocation \
+ bfd_elf32_arm_oabi_process_before_allocation
+
#include "elf32-arm.h"
projects / deliverable / binutils-gdb.git / blobdiff