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Diffstat (limited to 'bfd/elf32-d10v.c')
-rw-r--r--bfd/elf32-d10v.c522
1 files changed, 0 insertions, 522 deletions
diff --git a/bfd/elf32-d10v.c b/bfd/elf32-d10v.c
deleted file mode 100644
index 913e8578a62..00000000000
--- a/bfd/elf32-d10v.c
+++ /dev/null
@@ -1,522 +0,0 @@
-/* D10V-specific support for 32-bit ELF
- Copyright 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
- Contributed by Martin Hunt (hunt@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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "bfd.h"
-#include "sysdep.h"
-#include "libbfd.h"
-#include "elf-bfd.h"
-#include "elf/d10v.h"
-
-static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
- PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
-static void d10v_info_to_howto_rel
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
-
-/* Use REL instead of RELA to save space */
-#define USE_REL
-
-static reloc_howto_type elf_d10v_howto_table[] =
-{
- /* This reloc does nothing. */
- HOWTO (R_D10V_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_D10V_NONE", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
-
- /* An PC Relative 10-bit relocation, shifted by 2 */
- /* right container */
- HOWTO (R_D10V_10_PCREL_R, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 10, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_10_PCREL_R", /* name */
- false, /* partial_inplace */
- 0xff, /* src_mask */
- 0xff, /* dst_mask */
- true), /* pcrel_offset */
-
- /* An PC Relative 10-bit relocation, shifted by 2 */
- /* left container */
- HOWTO (R_D10V_10_PCREL_L, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 10, /* bitsize */
- true, /* pc_relative */
- 15, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_10_PCREL_L", /* name */
- false, /* partial_inplace */
- 0x07f8000, /* src_mask */
- 0x07f8000, /* dst_mask */
- true), /* pcrel_offset */
-
- /* A 16 bit absolute relocation */
- HOWTO (R_D10V_16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_16", /* name */
- false, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* An 18 bit absolute relocation, right shifted 2 */
- HOWTO (R_D10V_18, /* type */
- 2, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 18, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_18", /* name */
- false, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* A relative 18 bit relocation, right shifted by 2 */
- HOWTO (R_D10V_18_PCREL, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 18, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D10V_18_PCREL", /* name */
- false, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- true), /* pcrel_offset */
-
- /* A 32 bit absolute relocation */
- HOWTO (R_D10V_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_D10V_32", /* name */
- false, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable hierarchy */
- HOWTO (R_D10V_GNU_VTINHERIT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_D10V_GNU_VTINHERIT", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable member usage */
- HOWTO (R_D10V_GNU_VTENTRY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- _bfd_elf_rel_vtable_reloc_fn, /* special_function */
- "R_D10V_GNU_VTENTRY", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
-
-};
-
-/* Map BFD reloc types to D10V ELF reloc types. */
-
-struct d10v_reloc_map
-{
- bfd_reloc_code_real_type bfd_reloc_val;
- unsigned char elf_reloc_val;
-};
-
- static const struct d10v_reloc_map d10v_reloc_map[] =
-{
- { BFD_RELOC_NONE, R_D10V_NONE, },
- { BFD_RELOC_D10V_10_PCREL_R, R_D10V_10_PCREL_R },
- { BFD_RELOC_D10V_10_PCREL_L, R_D10V_10_PCREL_L },
- { BFD_RELOC_16, R_D10V_16 },
- { BFD_RELOC_D10V_18, R_D10V_18 },
- { BFD_RELOC_D10V_18_PCREL, R_D10V_18_PCREL },
- { BFD_RELOC_32, R_D10V_32 },
- { BFD_RELOC_VTABLE_INHERIT, R_D10V_GNU_VTINHERIT },
- { BFD_RELOC_VTABLE_ENTRY, R_D10V_GNU_VTENTRY },
-};
-
-static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
-{
- unsigned int i;
-
- for (i = 0;
- i < sizeof (d10v_reloc_map) / sizeof (struct d10v_reloc_map);
- i++)
- {
- if (d10v_reloc_map[i].bfd_reloc_val == code)
- return &elf_d10v_howto_table[d10v_reloc_map[i].elf_reloc_val];
- }
-
- return NULL;
-}
-
-/* Set the howto pointer for an D10V ELF reloc. */
-
-static void
-d10v_info_to_howto_rel (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf32_Internal_Rel *dst;
-{
- unsigned int r_type;
-
- r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) R_D10V_max);
- cache_ptr->howto = &elf_d10v_howto_table[r_type];
-}
-
-static asection *
-elf32_d10v_gc_mark_hook (abfd, info, rel, h, sym)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela *rel;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
-{
- if (h != NULL)
- {
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_D10V_GNU_VTINHERIT:
- case R_D10V_GNU_VTENTRY:
- break;
-
- default:
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- }
- else
- {
- if (!(elf_bad_symtab (abfd)
- && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
- && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
- && sym->st_shndx != SHN_COMMON))
- {
- return bfd_section_from_elf_index (abfd, sym->st_shndx);
- }
- }
- return NULL;
-}
-
-static boolean
-elf32_d10v_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- asection *sec ATTRIBUTE_UNUSED;
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
-{
- /* we don't use got and plt entries for d10v */
- return true;
-}
-
-/* Look through the relocs for a section during the first phase.
- Since we don't do .gots or .plts, we just need to consider the
- virtual table relocs for gc. */
-
-static boolean
-elf32_d10v_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
-
- if (info->relocateable)
- return true;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
-
- rel_end = relocs + sec->reloc_count;
- for (rel = relocs; rel < rel_end; rel++)
- {
- struct elf_link_hash_entry *h;
- unsigned long r_symndx;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-
- switch (ELF32_R_TYPE (rel->r_info))
- {
- /* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_D10V_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return false;
- break;
-
- /* This relocation describes which C++ vtable entries are actually
- used. Record for later use during GC. */
- case R_D10V_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset))
- return false;
- break;
- }
- }
-
- return true;
-}
-
-/* Relocate a D10V ELF section. */
-static boolean
-elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, local_syms, local_sections)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
- bfd *input_bfd;
- asection *input_section;
- bfd_byte *contents;
- Elf_Internal_Rela *relocs;
- Elf_Internal_Sym *local_syms;
- asection **local_sections;
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- Elf_Internal_Rela *rel, *relend;
- const char *name;
-
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (input_bfd);
-
- rel = relocs;
- relend = relocs + input_section->reloc_count;
- for (; rel < relend; rel++)
- {
- int r_type;
- reloc_howto_type *howto;
- unsigned long r_symndx;
- Elf_Internal_Sym *sym;
- asection *sec;
- struct elf_link_hash_entry *h;
- bfd_vma relocation;
- bfd_reloc_status_type r;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- r_type = ELF32_R_TYPE (rel->r_info);
-
- if (r_type == R_D10V_GNU_VTENTRY
- || r_type == R_D10V_GNU_VTINHERIT )
- continue;
-
- howto = elf_d10v_howto_table + r_type;
-
- if (info->relocateable)
- {
- /* This is a relocateable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections[r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
-
- continue;
- }
-
- /* This is a final link. */
- h = NULL;
- sym = NULL;
- sec = NULL;
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- sec = local_sections[r_symndx];
- relocation = (sec->output_section->vma
- + sec->output_offset
- + sym->st_value);
- }
- else
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- {
- sec = h->root.u.def.section;
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
- else if (h->root.type == bfd_link_hash_undefweak)
- relocation = 0;
- else
- {
- if (!((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset, true)))
- return false;
- relocation = 0;
- }
- }
-
- if (h != NULL)
- name = h->root.root.string;
- else
- {
- name = (bfd_elf_string_from_elf_section
- (input_bfd, symtab_hdr->sh_link, sym->st_name));
- if (name == NULL || *name == '\0')
- name = bfd_section_name (input_bfd, sec);
- }
-
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
-
- if (r != bfd_reloc_ok)
- {
- const char * msg = (const char *) 0;
-
- switch (r)
- {
- case bfd_reloc_overflow:
- if (!((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
- return false;
- break;
-
- case bfd_reloc_undefined:
- if (!((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset, true)))
- return false;
- break;
-
- case bfd_reloc_outofrange:
- msg = _ ("internal error: out of range error");
- goto common_error;
-
- case bfd_reloc_notsupported:
- msg = _ ("internal error: unsupported relocation error");
- goto common_error;
-
- case bfd_reloc_dangerous:
- msg = _ ("internal error: dangerous error");
- goto common_error;
-
- default:
- msg = _ ("internal error: unknown error");
- /* fall through */
-
- common_error:
- if (!((*info->callbacks->warning)
- (info, msg, name, input_bfd, input_section,
- rel->r_offset)))
- return false;
- break;
- }
- }
- }
-
- return true;
-}
-#define ELF_ARCH bfd_arch_d10v
-#define ELF_MACHINE_CODE EM_CYGNUS_D10V
-#define ELF_MAXPAGESIZE 0x1000
-
-#define TARGET_BIG_SYM bfd_elf32_d10v_vec
-#define TARGET_BIG_NAME "elf32-d10v"
-
-#define elf_info_to_howto 0
-#define elf_info_to_howto_rel d10v_info_to_howto_rel
-#define elf_backend_object_p 0
-#define elf_backend_final_write_processing 0
-#define elf_backend_gc_mark_hook elf32_d10v_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf32_d10v_gc_sweep_hook
-#define elf_backend_check_relocs elf32_d10v_check_relocs
-#define elf_backend_relocate_section elf32_d10v_relocate_section
-#define elf_backend_can_gc_sections 1
-
-#include "elf32-target.h"
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