| /* MSP430-specific support for 32-bit ELF |
| Copyright (C) 2002, 2003 Free Software Foundation, Inc. |
| Contributed by Dmitry Diky <diwil@mail.ru> |
| |
| 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 "libiberty.h" |
| #include "libbfd.h" |
| #include "elf-bfd.h" |
| #include "elf/msp430.h" |
| |
| static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup |
| PARAMS ((bfd *, bfd_reloc_code_real_type)); |
| |
| static void msp430_info_to_howto_rela |
| PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); |
| |
| static asection *elf32_msp430_gc_mark_hook |
| PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *, |
| struct elf_link_hash_entry *, Elf_Internal_Sym *)); |
| |
| static bfd_boolean elf32_msp430_gc_sweep_hook |
| PARAMS ((bfd *, struct bfd_link_info *, asection *, |
| const Elf_Internal_Rela *)); |
| |
| static bfd_boolean elf32_msp430_check_relocs |
| PARAMS ((bfd *, struct bfd_link_info *, asection *, |
| const Elf_Internal_Rela *)); |
| |
| static bfd_reloc_status_type msp430_final_link_relocate |
| PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, |
| Elf_Internal_Rela *, bfd_vma)); |
| |
| static bfd_boolean elf32_msp430_relocate_section |
| PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); |
| |
| static void bfd_elf_msp430_final_write_processing |
| PARAMS ((bfd *, bfd_boolean)); |
| |
| static bfd_boolean elf32_msp430_object_p |
| PARAMS ((bfd *)); |
| |
| static void elf32_msp430_post_process_headers |
| PARAMS ((bfd *, struct bfd_link_info *)); |
| |
| /* Use RELA instead of REL. */ |
| #undef USE_REL |
| |
| static reloc_howto_type elf_msp430_howto_table[] = |
| { |
| HOWTO (R_MSP430_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_MSP430_NONE", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| HOWTO (R_MSP430_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_MSP430_32", /* name */ |
| FALSE, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* A 13 bit PC relative relocation. */ |
| HOWTO (R_MSP430_10_PCREL, /* type */ |
| 1, /* rightshift */ |
| 1, /* 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_MSP430_13_PCREL", /* name */ |
| FALSE, /* partial_inplace */ |
| 0xfff, /* src_mask */ |
| 0xfff, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* A 16 bit absolute relocation. */ |
| HOWTO (R_MSP430_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_MSP430_16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0xffff, /* src_mask */ |
| 0xffff, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* A 16 bit absolute relocation for command address. */ |
| HOWTO (R_MSP430_16_PCREL, /* type */ |
| 1, /* rightshift */ |
| 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 16, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont,/* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_MSP430_16_PCREL", /* name */ |
| FALSE, /* partial_inplace */ |
| 0xffff, /* src_mask */ |
| 0xffff, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* A 16 bit absolute relocation, byte operations. */ |
| HOWTO (R_MSP430_16_BYTE, /* 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_MSP430_16_BYTE", /* name */ |
| FALSE, /* partial_inplace */ |
| 0xffff, /* src_mask */ |
| 0xffff, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* A 16 bit absolute relocation for command address. */ |
| HOWTO (R_MSP430_16_PCREL_BYTE,/* type */ |
| 1, /* rightshift */ |
| 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 16, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont,/* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_MSP430_16_PCREL_BYTE", /* name */ |
| FALSE, /* partial_inplace */ |
| 0xffff, /* src_mask */ |
| 0xffff, /* dst_mask */ |
| TRUE) /* pcrel_offset */ |
| }; |
| |
| /* Map BFD reloc types to MSP430 ELF reloc types. */ |
| |
| struct msp430_reloc_map |
| { |
| bfd_reloc_code_real_type bfd_reloc_val; |
| unsigned int elf_reloc_val; |
| }; |
| |
| static const struct msp430_reloc_map msp430_reloc_map[] = |
| { |
| {BFD_RELOC_NONE, R_MSP430_NONE}, |
| {BFD_RELOC_32, R_MSP430_32}, |
| {BFD_RELOC_MSP430_10_PCREL, R_MSP430_10_PCREL}, |
| {BFD_RELOC_16, R_MSP430_16_BYTE}, |
| {BFD_RELOC_MSP430_16_PCREL, R_MSP430_16_PCREL}, |
| {BFD_RELOC_MSP430_16, R_MSP430_16}, |
| {BFD_RELOC_MSP430_16_PCREL_BYTE, R_MSP430_16_PCREL_BYTE}, |
| {BFD_RELOC_MSP430_16_BYTE, R_MSP430_16_BYTE} |
| }; |
| |
| 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 < ARRAY_SIZE (msp430_reloc_map); i++) |
| if (msp430_reloc_map[i].bfd_reloc_val == code) |
| return &elf_msp430_howto_table[msp430_reloc_map[i].elf_reloc_val]; |
| |
| return NULL; |
| } |
| |
| /* Set the howto pointer for an MSP430 ELF reloc. */ |
| |
| static void |
| msp430_info_to_howto_rela (abfd, cache_ptr, dst) |
| 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_MSP430_max); |
| cache_ptr->howto = &elf_msp430_howto_table[r_type]; |
| } |
| |
| static asection * |
| elf32_msp430_gc_mark_hook (sec, info, rel, h, sym) |
| asection *sec; |
| 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)) |
| { |
| 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 |
| return bfd_section_from_elf_index (sec->owner, sym->st_shndx); |
| |
| return NULL; |
| } |
| |
| static bfd_boolean |
| elf32_msp430_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 msp430. */ |
| 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 bfd_boolean |
| elf32_msp430_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->relocatable) |
| 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]; |
| } |
| |
| return TRUE; |
| } |
| |
| /* Perform a single relocation. By default we use the standard BFD |
| routines, but a few relocs, we have to do them ourselves. */ |
| |
| static bfd_reloc_status_type |
| msp430_final_link_relocate (howto, input_bfd, input_section, |
| contents, rel, relocation) |
| reloc_howto_type *howto; |
| bfd *input_bfd; |
| asection *input_section; |
| bfd_byte *contents; |
| Elf_Internal_Rela *rel; |
| bfd_vma relocation; |
| { |
| bfd_reloc_status_type r = bfd_reloc_ok; |
| bfd_vma x; |
| bfd_signed_vma srel; |
| |
| switch (howto->type) |
| { |
| case R_MSP430_10_PCREL: |
| contents += rel->r_offset; |
| srel = (bfd_signed_vma) relocation; |
| srel += rel->r_addend; |
| srel -= rel->r_offset; |
| srel -= 2; /* Branch instructions add 2 to the PC... */ |
| srel -= (input_section->output_section->vma + |
| input_section->output_offset); |
| |
| if (srel & 1) |
| return bfd_reloc_outofrange; |
| |
| /* MSP430 addresses commands as words. */ |
| srel >>= 1; |
| |
| /* Check for an overflow. */ |
| if (srel < -512 || srel > 511) |
| return bfd_reloc_overflow; |
| |
| x = bfd_get_16 (input_bfd, contents); |
| x = (x & 0xfc00) | (srel & 0x3ff); |
| bfd_put_16 (input_bfd, x, contents); |
| break; |
| |
| case R_MSP430_16_PCREL: |
| contents += rel->r_offset; |
| srel = (bfd_signed_vma) relocation; |
| srel += rel->r_addend; |
| srel -= rel->r_offset; |
| /* Only branch instructions add 2 to the PC... */ |
| srel -= (input_section->output_section->vma + |
| input_section->output_offset); |
| |
| if (srel & 1) |
| return bfd_reloc_outofrange; |
| |
| bfd_put_16 (input_bfd, srel & 0xffff, contents); |
| break; |
| |
| case R_MSP430_16_PCREL_BYTE: |
| contents += rel->r_offset; |
| srel = (bfd_signed_vma) relocation; |
| srel += rel->r_addend; |
| srel -= rel->r_offset; |
| /* Only branch instructions add 2 to the PC... */ |
| srel -= (input_section->output_section->vma + |
| input_section->output_offset); |
| |
| bfd_put_16 (input_bfd, srel & 0xffff, contents); |
| break; |
| |
| case R_MSP430_16_BYTE: |
| contents += rel->r_offset; |
| srel = (bfd_signed_vma) relocation; |
| srel += rel->r_addend; |
| bfd_put_16 (input_bfd, srel & 0xffff, contents); |
| break; |
| |
| case R_MSP430_16: |
| contents += rel->r_offset; |
| srel = (bfd_signed_vma) relocation; |
| srel += rel->r_addend; |
| |
| if (srel & 1) |
| return bfd_reloc_notsupported; |
| |
| bfd_put_16 (input_bfd, srel & 0xffff, contents); |
| break; |
| |
| default: |
| r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
| contents, rel->r_offset, |
| relocation, rel->r_addend); |
| } |
| |
| return r; |
| } |
| |
| /* Relocate an MSP430 ELF section. */ |
| |
| static bfd_boolean |
| elf32_msp430_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; |
| Elf_Internal_Rela *relend; |
| |
| symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
| sym_hashes = elf_sym_hashes (input_bfd); |
| relend = relocs + input_section->reloc_count; |
| |
| for (rel = relocs; rel < relend; rel++) |
| { |
| 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; |
| const char *name = NULL; |
| int r_type; |
| |
| /* This is a final link. */ |
| |
| r_type = ELF32_R_TYPE (rel->r_info); |
| r_symndx = ELF32_R_SYM (rel->r_info); |
| howto = elf_msp430_howto_table + ELF32_R_TYPE (rel->r_info); |
| h = NULL; |
| sym = NULL; |
| sec = NULL; |
| |
| if (r_symndx < symtab_hdr->sh_info) |
| { |
| sym = local_syms + r_symndx; |
| sec = local_sections[r_symndx]; |
| relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
| |
| name = bfd_elf_string_from_elf_section |
| (input_bfd, symtab_hdr->sh_link, sym->st_name); |
| name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name; |
| } |
| 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; |
| |
| name = h->root.root.string; |
| |
| 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; |
| } |
| } |
| |
| r = msp430_final_link_relocate (howto, input_bfd, input_section, |
| contents, rel, relocation); |
| |
| if (r != bfd_reloc_ok) |
| { |
| const char *msg = (const char *) NULL; |
| |
| switch (r) |
| { |
| case bfd_reloc_overflow: |
| r = info->callbacks->reloc_overflow |
| (info, name, howto->name, (bfd_vma) 0, |
| input_bfd, input_section, rel->r_offset); |
| break; |
| |
| case bfd_reloc_undefined: |
| r = info->callbacks->undefined_symbol |
| (info, name, input_bfd, input_section, rel->r_offset, TRUE); |
| break; |
| |
| case bfd_reloc_outofrange: |
| msg = _("internal error: out of range error"); |
| break; |
| |
| case bfd_reloc_notsupported: |
| msg = _("internal error: unsupported relocation error"); |
| break; |
| |
| case bfd_reloc_dangerous: |
| msg = _("internal error: dangerous relocation"); |
| break; |
| |
| default: |
| msg = _("internal error: unknown error"); |
| break; |
| } |
| |
| if (msg) |
| r = info->callbacks->warning |
| (info, msg, name, input_bfd, input_section, rel->r_offset); |
| |
| if (!r) |
| return FALSE; |
| } |
| |
| } |
| |
| return TRUE; |
| } |
| |
| /* The final processing done just before writing out a MSP430 ELF object |
| file. This gets the MSP430 architecture right based on the machine |
| number. */ |
| |
| static void |
| bfd_elf_msp430_final_write_processing (abfd, linker) |
| bfd *abfd; |
| bfd_boolean linker ATTRIBUTE_UNUSED; |
| { |
| unsigned long val; |
| |
| switch (bfd_get_mach (abfd)) |
| { |
| default: |
| case bfd_mach_msp110: |
| val = E_MSP430_MACH_MSP430x11x1; |
| break; |
| |
| case bfd_mach_msp11: |
| val = E_MSP430_MACH_MSP430x11; |
| break; |
| |
| case bfd_mach_msp12: |
| val = E_MSP430_MACH_MSP430x12; |
| break; |
| |
| case bfd_mach_msp13: |
| val = E_MSP430_MACH_MSP430x13; |
| break; |
| |
| case bfd_mach_msp14: |
| val = E_MSP430_MACH_MSP430x14; |
| break; |
| |
| case bfd_mach_msp15: |
| val = E_MSP430_MACH_MSP430x15; |
| break; |
| |
| case bfd_mach_msp16: |
| val = E_MSP430_MACH_MSP430x16; |
| break; |
| |
| case bfd_mach_msp31: |
| val = E_MSP430_MACH_MSP430x31; |
| break; |
| |
| case bfd_mach_msp32: |
| val = E_MSP430_MACH_MSP430x32; |
| break; |
| |
| case bfd_mach_msp33: |
| val = E_MSP430_MACH_MSP430x33; |
| break; |
| |
| case bfd_mach_msp41: |
| val = E_MSP430_MACH_MSP430x41; |
| break; |
| |
| case bfd_mach_msp42: |
| val = E_MSP430_MACH_MSP430x42; |
| break; |
| |
| case bfd_mach_msp43: |
| val = E_MSP430_MACH_MSP430x43; |
| break; |
| |
| case bfd_mach_msp44: |
| val = E_MSP430_MACH_MSP430x44; |
| break; |
| } |
| |
| elf_elfheader (abfd)->e_machine = EM_MSP430; |
| elf_elfheader (abfd)->e_flags &= ~EF_MSP430_MACH; |
| elf_elfheader (abfd)->e_flags |= val; |
| } |
| |
| /* Set the right machine number. */ |
| |
| static bfd_boolean |
| elf32_msp430_object_p (abfd) |
| bfd *abfd; |
| { |
| int e_set = bfd_mach_msp14; |
| |
| if (elf_elfheader (abfd)->e_machine == EM_MSP430 |
| || elf_elfheader (abfd)->e_machine == EM_MSP430_OLD) |
| { |
| int e_mach = elf_elfheader (abfd)->e_flags & EF_MSP430_MACH; |
| |
| switch (e_mach) |
| { |
| default: |
| case E_MSP430_MACH_MSP430x11: |
| e_set = bfd_mach_msp11; |
| break; |
| |
| case E_MSP430_MACH_MSP430x11x1: |
| e_set = bfd_mach_msp110; |
| break; |
| |
| case E_MSP430_MACH_MSP430x12: |
| e_set = bfd_mach_msp12; |
| break; |
| |
| case E_MSP430_MACH_MSP430x13: |
| e_set = bfd_mach_msp13; |
| break; |
| |
| case E_MSP430_MACH_MSP430x14: |
| e_set = bfd_mach_msp14; |
| break; |
| |
| case E_MSP430_MACH_MSP430x15: |
| e_set = bfd_mach_msp15; |
| break; |
| |
| case E_MSP430_MACH_MSP430x16: |
| e_set = bfd_mach_msp16; |
| break; |
| |
| case E_MSP430_MACH_MSP430x31: |
| e_set = bfd_mach_msp31; |
| break; |
| |
| case E_MSP430_MACH_MSP430x32: |
| e_set = bfd_mach_msp32; |
| break; |
| |
| case E_MSP430_MACH_MSP430x33: |
| e_set = bfd_mach_msp33; |
| break; |
| |
| case E_MSP430_MACH_MSP430x41: |
| e_set = bfd_mach_msp41; |
| break; |
| |
| case E_MSP430_MACH_MSP430x42: |
| e_set = bfd_mach_msp42; |
| break; |
| |
| case E_MSP430_MACH_MSP430x43: |
| e_set = bfd_mach_msp43; |
| break; |
| |
| case E_MSP430_MACH_MSP430x44: |
| e_set = bfd_mach_msp44; |
| break; |
| } |
| } |
| |
| return bfd_default_set_arch_mach (abfd, bfd_arch_msp430, e_set); |
| } |
| |
| static void |
| elf32_msp430_post_process_headers (abfd, link_info) |
| bfd *abfd; |
| struct bfd_link_info *link_info ATTRIBUTE_UNUSED; |
| { |
| Elf_Internal_Ehdr *i_ehdrp; /* ELF file header, internal form. */ |
| |
| i_ehdrp = elf_elfheader (abfd); |
| |
| #ifndef ELFOSABI_STANDALONE |
| #define ELFOSABI_STANDALONE 255 |
| #endif |
| |
| i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_STANDALONE; |
| } |
| |
| |
| #define ELF_ARCH bfd_arch_msp430 |
| #define ELF_MACHINE_CODE EM_MSP430 |
| #define ELF_MACHINE_ALT1 EM_MSP430_OLD |
| #define ELF_MAXPAGESIZE 1 |
| |
| #define TARGET_LITTLE_SYM bfd_elf32_msp430_vec |
| #define TARGET_LITTLE_NAME "elf32-msp430" |
| |
| #define elf_info_to_howto msp430_info_to_howto_rela |
| #define elf_info_to_howto_rel NULL |
| #define elf_backend_relocate_section elf32_msp430_relocate_section |
| #define elf_backend_gc_mark_hook elf32_msp430_gc_mark_hook |
| #define elf_backend_gc_sweep_hook elf32_msp430_gc_sweep_hook |
| #define elf_backend_check_relocs elf32_msp430_check_relocs |
| #define elf_backend_can_gc_sections 1 |
| #define elf_backend_final_write_processing bfd_elf_msp430_final_write_processing |
| #define elf_backend_object_p elf32_msp430_object_p |
| #define elf_backend_post_process_headers elf32_msp430_post_process_headers |
| |
| #include "elf32-target.h" |