* archures (bfd_mach_arc_base): #define.
(bfd_mach_arc_host, bfd_mach_arc_graphics, bfd_mach_arc_audio): Ditto. * cpu-arc.c (arch_info_struct): Define entries for each cpu variant. (bfd_arc_arch): Link each one in. (arc_get_mach): New function. * elf32-arc.c (arc_info_to_howto_rel): Renamed from arc_info_to_howto. (elf_info_to_howto_rel): Update. (arc_elf_object_p, arc_elf_final_write_processing): New functions. (elf_backend_object_p): Define. (elf_backend_final_write_processing): Define. (USE_REL): Define.
This commit is contained in:
parent
10bf6ddf08
commit
866da18e1f
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@ -1,3 +1,19 @@
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start-sanitize-arc
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Thu Feb 9 17:31:40 1995 Doug Evans <dje@canuck.cygnus.com>
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* archures (bfd_mach_arc_base): #define.
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(bfd_mach_arc_host, bfd_mach_arc_graphics, bfd_mach_arc_audio): Ditto.
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* cpu-arc.c (arch_info_struct): Define entries for each cpu variant.
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(bfd_arc_arch): Link each one in.
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(arc_get_mach): New function.
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* elf32-arc.c (arc_info_to_howto_rel): Renamed from arc_info_to_howto.
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(elf_info_to_howto_rel): Update.
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(arc_elf_object_p, arc_elf_final_write_processing): New functions.
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(elf_backend_object_p): Define.
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(elf_backend_final_write_processing): Define.
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(USE_REL): Define.
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end-sanitize-arc
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Thu Feb 9 18:36:52 1995 Ken Raeburn <raeburn@cujo.cygnus.com>
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Thu Feb 9 18:36:52 1995 Ken Raeburn <raeburn@cujo.cygnus.com>
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* Makefile.in (BFD32_BACKENDS): Add i386msdos.o.
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* Makefile.in (BFD32_BACKENDS): Add i386msdos.o.
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108
bfd/elf32-arc.c
108
bfd/elf32-arc.c
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@ -1,5 +1,5 @@
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/* ARC-specific support for 32-bit ELF
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/* ARC-specific support for 32-bit ELF
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Copyright (C) 1994 Free Software Foundation, Inc.
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Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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Contributed by Doug Evans (dje@cygnus.com).
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Contributed by Doug Evans (dje@cygnus.com).
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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@ -22,13 +22,20 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "sysdep.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#include "libelf.h"
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#include "libelf.h"
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#include "elf/arc.h"
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static bfd_reloc_status_type arc_elf_unsupported_reloc
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static bfd_reloc_status_type arc_elf_unsupported_reloc
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static const struct reloc_howto_struct *bfd_elf32_bfd_reloc_type_lookup
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static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
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PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
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PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
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static void arc_info_to_howto
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static void arc_info_to_howto_rel
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PARAMS ((bfd *abfd, arelent *cache_ptr, Elf32_Internal_Rela *dst));
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PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
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static boolean arc_elf_object_p PARAMS ((bfd *));
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static void arc_elf_final_write_processing PARAMS ((bfd *, boolean));
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/* Try to minimize the amount of space occupied by relocation tables
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on the ROM. */
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#define USE_REL
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enum reloc_type
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enum reloc_type
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{
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{
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@ -103,7 +110,7 @@ arc_elf_unsupported_reloc (abfd, reloc_entry, symbol, data, input_section,
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abort ();
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abort ();
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}
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}
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/* Map BFD reloc types to PowerPC ELF reloc types. */
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/* Map BFD reloc types to ARC ELF reloc types. */
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struct arc_reloc_map
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struct arc_reloc_map
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{
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{
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@ -119,7 +126,7 @@ static const struct arc_reloc_map arc_reloc_map[] =
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{ BFD_RELOC_ARC_B22_PCREL, R_ARC_B22_PCREL },
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{ BFD_RELOC_ARC_B22_PCREL, R_ARC_B22_PCREL },
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};
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};
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static const struct reloc_howto_struct *
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static reloc_howto_type *
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bfd_elf32_bfd_reloc_type_lookup (abfd, code)
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bfd_elf32_bfd_reloc_type_lookup (abfd, code)
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bfd *abfd;
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bfd *abfd;
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bfd_reloc_code_real_type code;
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bfd_reloc_code_real_type code;
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@ -140,20 +147,93 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code)
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/* Set the howto pointer for an ARC ELF reloc. */
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/* Set the howto pointer for an ARC ELF reloc. */
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static void
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static void
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arc_info_to_howto (abfd, cache_ptr, dst)
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arc_info_to_howto_rel (abfd, cache_ptr, dst)
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bfd *abfd;
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bfd *abfd;
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arelent *cache_ptr;
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arelent *cache_ptr;
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Elf32_Internal_Rela *dst;
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Elf32_Internal_Rel *dst;
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{
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{
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BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_ARC_max);
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unsigned int r_type;
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cache_ptr->howto = &elf_arc_howto_table[ELF32_R_TYPE (dst->r_info)];
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r_type = ELF32_R_TYPE (dst->r_info);
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BFD_ASSERT (r_type < (unsigned int) R_ARC_max);
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cache_ptr->howto = &elf_arc_howto_table[r_type];
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}
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}
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#define TARGET_BIG_SYM bfd_elf32_arc_vec
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/* Set the right machine number for an ARC ELF file. */
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#define TARGET_BIG_NAME "elf32-arc"
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static boolean
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arc_elf_object_p (abfd)
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bfd *abfd;
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{
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int mach;
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unsigned long arch = elf_elfheader (abfd)->e_flags & EF_ARC_CPU;
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switch (arch)
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{
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case E_ARC_CPU_BASE:
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mach = bfd_mach_arc_base;
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break;
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case E_ARC_CPU_HOST:
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mach = bfd_mach_arc_host;
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break;
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case E_ARC_CPU_GRAPHICS:
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mach = bfd_mach_arc_graphics;
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break;
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case E_ARC_CPU_AUDIO:
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mach = bfd_mach_arc_audio;
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break;
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default:
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/* Unknown cpu type. ??? What to do? */
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return false;
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}
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(void) bfd_default_set_arch_mach (abfd, bfd_arch_arc, mach);
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return true;
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}
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/* The final processing done just before writing out an ARC ELF object file.
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This gets the ARC architecture right based on the machine number. */
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static void
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arc_elf_final_write_processing (abfd, linker)
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bfd *abfd;
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boolean linker;
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{
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int mach;
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unsigned long val;
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switch (mach = bfd_get_mach (abfd))
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{
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case bfd_mach_arc_base:
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val = E_ARC_CPU_BASE;
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break;
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case bfd_mach_arc_host:
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val = E_ARC_CPU_HOST;
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break;
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case bfd_mach_arc_graphics:
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val = E_ARC_CPU_GRAPHICS;
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break;
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case bfd_mach_arc_audio:
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val = E_ARC_CPU_AUDIO;
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break;
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default:
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return;
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}
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elf_elfheader (abfd)->e_flags &=~ EF_ARC_CPU;
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elf_elfheader (abfd)->e_flags |= val;
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}
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#define TARGET_LITTLE_SYM bfd_elf32_arc_vec
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#define TARGET_LITTLE_NAME "elf32-arc"
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#define ELF_ARCH bfd_arch_arc
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#define ELF_ARCH bfd_arch_arc
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#define ELF_MACHINE_CODE EM_CYGNUS_ARC
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#define ELF_MACHINE_CODE EM_CYGNUS_ARC
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#define ELF_MAXPAGESIZE 0x10000
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#define ELF_MAXPAGESIZE 0x1000
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#define elf_info_to_howto arc_info_to_howto
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#define elf_info_to_howto 0
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#define elf_info_to_howto_rel arc_info_to_howto_rel
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#define elf_backend_object_p arc_elf_object_p
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#define elf_backend_final_write_processing \
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arc_elf_final_write_processing
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#include "elf32-target.h"
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#include "elf32-target.h"
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