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-rw-r--r--binutils-2.24/bfd/elf32-arc.c253
1 files changed, 0 insertions, 253 deletions
diff --git a/binutils-2.24/bfd/elf32-arc.c b/binutils-2.24/bfd/elf32-arc.c
deleted file mode 100644
index 3ef83f9f..00000000
--- a/binutils-2.24/bfd/elf32-arc.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/* ARC-specific support for 32-bit ELF
- Copyright 1994, 1995, 1997, 1999, 2001, 2002, 2005, 2007
- Free Software Foundation, Inc.
- Contributed by Doug Evans (dje@cygnus.com).
-
- This file is part of BFD, the Binary File Descriptor library.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
-
-#include "sysdep.h"
-#include "bfd.h"
-#include "libbfd.h"
-#include "elf-bfd.h"
-#include "elf/arc.h"
-#include "libiberty.h"
-
-/* 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). */
-
-#define USE_REL 1
-
-static bfd_reloc_status_type
-arc_elf_b22_pcrel (bfd * abfd,
- arelent * reloc_entry,
- asymbol * symbol,
- void * 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 == 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);
-}
-
-static reloc_howto_type elf_arc_howto_table[] =
-{
- /* This reloc does nothing. */
- HOWTO (R_ARC_NONE, /* Type. */
- 0, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 32, /* Bitsize. */
- FALSE, /* PC_relative. */
- 0, /* Bitpos. */
- complain_overflow_bitfield, /* Complain_on_overflow. */
- bfd_elf_generic_reloc, /* Special_function. */
- "R_ARC_NONE", /* Name. */
- TRUE, /* Partial_inplace. */
- 0, /* Src_mask. */
- 0, /* Dst_mask. */
- FALSE), /* PCrel_offset. */
-
- /* A standard 32 bit relocation. */
- HOWTO (R_ARC_32, /* Type. */
- 0, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 32, /* Bitsize. */
- FALSE, /* PC_relative. */
- 0, /* Bitpos. */
- complain_overflow_bitfield, /* Complain_on_overflow. */
- bfd_elf_generic_reloc, /* Special_function. */
- "R_ARC_32", /* Name. */
- TRUE, /* Partial_inplace. */
- 0xffffffff, /* Src_mask. */
- 0xffffffff, /* Dst_mask. */
- FALSE), /* PCrel_offset. */
-
- /* A 26 bit absolute branch, right shifted by 2. */
- HOWTO (R_ARC_B26, /* Type. */
- 2, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 26, /* Bitsize. */
- FALSE, /* PC_relative. */
- 0, /* Bitpos. */
- complain_overflow_bitfield, /* Complain_on_overflow. */
- bfd_elf_generic_reloc, /* Special_function. */
- "R_ARC_B26", /* Name. */
- TRUE, /* Partial_inplace. */
- 0x00ffffff, /* Src_mask. */
- 0x00ffffff, /* Dst_mask. */
- FALSE), /* PCrel_offset. */
-
- /* A relative 22 bit branch; bits 21-2 are stored in bits 26-7. */
- HOWTO (R_ARC_B22_PCREL, /* Type. */
- 2, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 22, /* Bitsize. */
- TRUE, /* PC_relative. */
- 7, /* Bitpos. */
- complain_overflow_signed, /* Complain_on_overflow. */
- 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. */
-
-struct arc_reloc_map
-{
- bfd_reloc_code_real_type bfd_reloc_val;
- unsigned char elf_reloc_val;
-};
-
-static const struct arc_reloc_map arc_reloc_map[] =
-{
- { BFD_RELOC_NONE, R_ARC_NONE, },
- { BFD_RELOC_32, R_ARC_32 },
- { BFD_RELOC_CTOR, R_ARC_32 },
- { BFD_RELOC_ARC_B26, R_ARC_B26 },
- { BFD_RELOC_ARC_B22_PCREL, R_ARC_B22_PCREL },
-};
-
-static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
-{
- unsigned int i;
-
- 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;
-}
-
-static reloc_howto_type *
-bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- const char *r_name)
-{
- unsigned int i;
-
- for (i = 0;
- i < sizeof (elf_arc_howto_table) / sizeof (elf_arc_howto_table[0]);
- i++)
- if (elf_arc_howto_table[i].name != NULL
- && strcasecmp (elf_arc_howto_table[i].name, r_name) == 0)
- return &elf_arc_howto_table[i];
-
- return NULL;
-}
-
-/* Set the howto pointer for an ARC ELF reloc. */
-
-static void
-arc_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *cache_ptr,
- Elf_Internal_Rela *dst)
-{
- unsigned int r_type;
-
- r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) R_ARC_max);
- cache_ptr->howto = &elf_arc_howto_table[r_type];
-}
-
-/* Set the right machine number for an ARC ELF file. */
-
-static bfd_boolean
-arc_elf_object_p (bfd *abfd)
-{
- unsigned int mach = bfd_mach_arc_6;
-
- if (elf_elfheader(abfd)->e_machine == EM_ARC)
- {
- unsigned long arch = elf_elfheader (abfd)->e_flags & EF_ARC_MACH;
-
- switch (arch)
- {
- case E_ARC_MACH_ARC5:
- mach = bfd_mach_arc_5;
- break;
- default:
- case E_ARC_MACH_ARC6:
- mach = bfd_mach_arc_6;
- break;
- case E_ARC_MACH_ARC7:
- mach = bfd_mach_arc_7;
- break;
- case E_ARC_MACH_ARC8:
- mach = bfd_mach_arc_8;
- break;
- }
- }
- return bfd_default_set_arch_mach (abfd, bfd_arch_arc, mach);
-}
-
-/* The final processing done just before writing out an ARC ELF object file.
- This gets the ARC architecture right based on the machine number. */
-
-static void
-arc_elf_final_write_processing (bfd *abfd,
- bfd_boolean linker ATTRIBUTE_UNUSED)
-{
- unsigned long val;
-
- switch (bfd_get_mach (abfd))
- {
- case bfd_mach_arc_5:
- val = E_ARC_MACH_ARC5;
- break;
- default:
- case bfd_mach_arc_6:
- val = E_ARC_MACH_ARC6;
- break;
- case bfd_mach_arc_7:
- val = E_ARC_MACH_ARC7;
- break;
- case bfd_mach_arc_8:
- val = E_ARC_MACH_ARC8;
- break;
- }
- elf_elfheader (abfd)->e_flags &=~ EF_ARC_MACH;
- elf_elfheader (abfd)->e_flags |= val;
-}
-
-#define TARGET_LITTLE_SYM bfd_elf32_littlearc_vec
-#define TARGET_LITTLE_NAME "elf32-littlearc"
-#define TARGET_BIG_SYM bfd_elf32_bigarc_vec
-#define TARGET_BIG_NAME "elf32-bigarc"
-#define ELF_ARCH bfd_arch_arc
-#define ELF_MACHINE_CODE EM_ARC
-#define ELF_MAXPAGESIZE 0x1000
-
-#define elf_info_to_howto 0
-#define elf_info_to_howto_rel arc_info_to_howto_rel
-#define elf_backend_object_p arc_elf_object_p
-#define elf_backend_final_write_processing arc_elf_final_write_processing
-
-#include "elf32-target.h"
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