diff options
Diffstat (limited to 'binutils-2.17/bfd/elf32-xc16x.c')
| -rw-r--r-- | binutils-2.17/bfd/elf32-xc16x.c | 449 |
1 files changed, 0 insertions, 449 deletions
diff --git a/binutils-2.17/bfd/elf32-xc16x.c b/binutils-2.17/bfd/elf32-xc16x.c deleted file mode 100644 index 1824302e..00000000 --- a/binutils-2.17/bfd/elf32-xc16x.c +++ /dev/null @@ -1,449 +0,0 @@ -/* Infineon XC16X-specific support for 16-bit ELF. - Copyright 2006 Free Software Foundation, Inc. - Contributed by KPIT Cummins Infosystems - - 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, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "elf-bfd.h" -#include "elf/xc16x.h" -#include "elf/dwarf2.h" -#include "libiberty.h" - -static reloc_howto_type xc16x_elf_howto_table [] = -{ - /* This reloc does nothing. */ - HOWTO (R_XC16X_NONE, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_XC16X_NONE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* An 8 bit absolute relocation. */ - HOWTO (R_XC16X_ABS_8, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - FALSE, /* pc_relative */ - 8, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_XC16X_ABS_8", /* name */ - TRUE, /* partial_inplace */ - 0x0000, /* src_mask */ - 0x00ff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 16 bit absolute relocation. */ - HOWTO (R_XC16X_ABS_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_XC16X_ABS_16", /* name */ - TRUE, /* partial_inplace */ - 0x00000000, /* src_mask */ - 0x0000ffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_XC16X_ABS_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_XC16X_ABS_32", /* name */ - TRUE, /* partial_inplace */ - 0x00000000, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - - /* A PC relative 8 bit relocation. */ - HOWTO (R_XC16X_8_PCREL, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - TRUE, /* pc_relative */ - 8, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_XC16X_8_PCREL", /* name */ - FALSE, /* partial_inplace */ - 0x0000, /* src_mask */ - 0x00ff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* Relocation regarding page number. */ - HOWTO (R_XC16X_PAG, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_XC16X_PAG", /* name */ - TRUE, /* partial_inplace */ - 0x00000000, /* src_mask */ - 0x0000ffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - - /* Relocation regarding page number. */ - HOWTO (R_XC16X_POF, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_XC16X_POF", /* name */ - TRUE, /* partial_inplace */ - 0x00000000, /* src_mask */ - 0x0000ffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - - /* Relocation regarding segment number. */ - HOWTO (R_XC16X_SEG, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_XC16X_SEG", /* name */ - TRUE, /* partial_inplace */ - 0x00000000, /* src_mask */ - 0x0000ffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Relocation regarding segment offset. */ - HOWTO (R_XC16X_SOF, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_XC16X_SOF", /* name */ - TRUE, /* partial_inplace */ - 0x00000000, /* src_mask */ - 0x0000ffff, /* dst_mask */ - FALSE) /* pcrel_offset */ -}; - - -/* Map BFD reloc types to XC16X ELF reloc types. */ - -struct xc16x_reloc_map -{ - bfd_reloc_code_real_type bfd_reloc_val; - unsigned int xc16x_reloc_val; -}; - -static const struct xc16x_reloc_map xc16x_reloc_map [] = -{ - { BFD_RELOC_NONE, R_XC16X_NONE }, - { BFD_RELOC_8, R_XC16X_ABS_8 }, - { BFD_RELOC_16, R_XC16X_ABS_16 }, - { BFD_RELOC_32, R_XC16X_ABS_32 }, - { BFD_RELOC_8_PCREL, R_XC16X_8_PCREL }, - { BFD_RELOC_XC16X_PAG, R_XC16X_PAG}, - { BFD_RELOC_XC16X_POF, R_XC16X_POF}, - { BFD_RELOC_XC16X_SEG, R_XC16X_SEG}, - { BFD_RELOC_XC16X_SOF, R_XC16X_SOF}, -}; - - -/* This function is used to search for correct relocation type from - howto structure. */ - -static reloc_howto_type * -xc16x_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, - bfd_reloc_code_real_type code) -{ - unsigned int i; - - for (i = ARRAY_SIZE (xc16x_reloc_map); --i;) - if (xc16x_reloc_map [i].bfd_reloc_val == code) - return & xc16x_elf_howto_table [xc16x_reloc_map[i].xc16x_reloc_val]; - - return NULL; -} - -/* For a particular operand this function is - called to finalise the type of relocation. */ - -static void -elf32_xc16x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc, - Elf_Internal_Rela *elf_reloc) -{ - unsigned int r; - unsigned int i; - - r = ELF32_R_TYPE (elf_reloc->r_info); - for (i = 0; i < ARRAY_SIZE (xc16x_elf_howto_table); i++) - if (xc16x_elf_howto_table[i].type == r) - { - bfd_reloc->howto = &xc16x_elf_howto_table[i]; - return; - } - abort (); -} - -static bfd_reloc_status_type -elf32_xc16x_final_link_relocate (unsigned long r_type, - bfd *input_bfd, - bfd *output_bfd ATTRIBUTE_UNUSED, - asection *input_section ATTRIBUTE_UNUSED, - bfd_byte *contents, - bfd_vma offset, - bfd_vma value, - bfd_vma addend, - struct bfd_link_info *info ATTRIBUTE_UNUSED, - asection *sym_sec ATTRIBUTE_UNUSED, - int is_local ATTRIBUTE_UNUSED) -{ - bfd_byte *hit_data = contents + offset; - bfd_vma val1; - - switch (r_type) - { - case R_XC16X_NONE: - return bfd_reloc_ok; - - case R_XC16X_ABS_16: - value += addend; - bfd_put_16 (input_bfd, value, hit_data); - return bfd_reloc_ok; - - case R_XC16X_8_PCREL: - bfd_put_8 (input_bfd, value, hit_data); - return bfd_reloc_ok; - - /* Following case is to find page number from actual - address for this divide value by 16k i.e. page size. */ - - case R_XC16X_PAG: - value += addend; - value /= 0x4000; - bfd_put_16 (input_bfd, value, hit_data); - return bfd_reloc_ok; - - /* Following case is to find page offset from actual address - for this take modulo of value by 16k i.e. page size. */ - - case R_XC16X_POF: - value += addend; - value %= 0x4000; - bfd_put_16 (input_bfd, value, hit_data); - return bfd_reloc_ok; - - /* Following case is to find segment number from actual - address for this divide value by 64k i.e. segment size. */ - - case R_XC16X_SEG: - value += addend; - value /= 0x10000; - bfd_put_16 (input_bfd, value, hit_data); - return bfd_reloc_ok; - - /* Following case is to find segment offset from actual address - for this take modulo of value by 64k i.e. segment size. */ - - case R_XC16X_SOF: - value += addend; - value %= 0x10000; - bfd_put_16 (input_bfd, value, hit_data); - return bfd_reloc_ok; - - case R_XC16X_ABS_32: - if (!strstr (input_section->name,".debug")) - { - value += addend; - val1 = value; - value %= 0x4000; - val1 /= 0x4000; - val1 = val1 << 16; - value += val1; - bfd_put_32 (input_bfd, value, hit_data); - } - else - { - value += addend; - bfd_put_32 (input_bfd, value, hit_data); - } - return bfd_reloc_ok; - - default: - return bfd_reloc_notsupported; - } -} - -static bfd_boolean -elf32_xc16x_relocate_section (bfd *output_bfd, - 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; - - if (info->relocatable) - return TRUE; - - 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++) - { - unsigned int r_type; - unsigned long r_symndx; - Elf_Internal_Sym *sym; - asection *sec; - struct elf_link_hash_entry *h; - bfd_vma relocation; - bfd_reloc_status_type r; - - /* This is a final link. */ - r_symndx = ELF32_R_SYM (rel->r_info); - r_type = 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); - } - else - { - bfd_boolean unresolved_reloc, warned; - - RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, - r_symndx, symtab_hdr, sym_hashes, - h, sec, relocation, - unresolved_reloc, warned); - } - - r = elf32_xc16x_final_link_relocate (r_type, input_bfd, output_bfd, - input_section, - contents, rel->r_offset, - relocation, rel->r_addend, - info, sec, h == NULL); - } - - return TRUE; -} - - -static void -elf32_xc16x_final_write_processing (bfd *abfd, - bfd_boolean linker ATTRIBUTE_UNUSED) -{ - unsigned long val; - - switch (bfd_get_mach (abfd)) - { - default: - case bfd_mach_xc16x: - val = 0x1000; - break; - - case bfd_mach_xc16xl: - val = 0x1001; - break; - - case bfd_mach_xc16xs: - val = 0x1002; - break; - } - - elf_elfheader (abfd)->e_flags |= val; -} - -static unsigned long -elf32_xc16x_mach (flagword flags) -{ - switch (flags) - { - case 0x1000: - default: - return bfd_mach_xc16x; - - case 0x1001: - return bfd_mach_xc16xl; - - case 0x1002: - return bfd_mach_xc16xs; - } -} - - -static bfd_boolean -elf32_xc16x_object_p (bfd *abfd) -{ - bfd_default_set_arch_mach (abfd, bfd_arch_xc16x, - elf32_xc16x_mach (elf_elfheader (abfd)->e_flags)); - return TRUE; -} - - -#define ELF_ARCH bfd_arch_xc16x -#define ELF_MACHINE_CODE EM_XC16X -#define ELF_MAXPAGESIZE 0x100 - -#define TARGET_LITTLE_SYM bfd_elf32_xc16x_vec -#define TARGET_LITTLE_NAME "elf32-xc16x" -#define elf_backend_final_write_processing elf32_xc16x_final_write_processing -#define elf_backend_object_p elf32_xc16x_object_p -#define elf_backend_can_gc_sections 1 -#define bfd_elf32_bfd_reloc_type_lookup xc16x_reloc_type_lookup -#define elf_info_to_howto elf32_xc16x_info_to_howto -#define elf_info_to_howto_rel elf32_xc16x_info_to_howto -#define elf_backend_relocate_section elf32_xc16x_relocate_section -#define elf_backend_rela_normal 1 - -#include "elf32-target.h" |