diff options
Diffstat (limited to 'binutils-2.17/bfd/coff-z8k.c')
-rw-r--r-- | binutils-2.17/bfd/coff-z8k.c | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/binutils-2.17/bfd/coff-z8k.c b/binutils-2.17/bfd/coff-z8k.c deleted file mode 100644 index 8fc2f169..00000000 --- a/binutils-2.17/bfd/coff-z8k.c +++ /dev/null @@ -1,358 +0,0 @@ -/* BFD back-end for Zilog Z800n COFF binaries. - Copyright 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003, - 2004, 2005 Free Software Foundation, Inc. - Contributed by Cygnus Support. - Written by Steve Chamberlain, <sac@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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "bfdlink.h" -#include "coff/z8k.h" -#include "coff/internal.h" -#include "libcoff.h" - -#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1) - -static reloc_howto_type r_imm32 = -HOWTO (R_IMM32, 0, 2, 32, FALSE, 0, - complain_overflow_bitfield, 0, "r_imm32", TRUE, 0xffffffff, - 0xffffffff, FALSE); - -static reloc_howto_type r_imm4l = -HOWTO (R_IMM4L, 0, 0, 4, FALSE, 0, - complain_overflow_bitfield, 0, "r_imm4l", TRUE, 0xf, 0xf, FALSE); - -static reloc_howto_type r_da = -HOWTO (R_IMM16, 0, 1, 16, FALSE, 0, - complain_overflow_bitfield, 0, "r_da", TRUE, 0x0000ffff, 0x0000ffff, - FALSE); - -static reloc_howto_type r_imm8 = -HOWTO (R_IMM8, 0, 0, 8, FALSE, 0, - complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff, - FALSE); - -static reloc_howto_type r_rel16 = -HOWTO (R_REL16, 0, 1, 16, FALSE, 0, - complain_overflow_bitfield, 0, "r_rel16", TRUE, 0x0000ffff, 0x0000ffff, - TRUE); - -static reloc_howto_type r_jr = -HOWTO (R_JR, 1, 0, 8, TRUE, 0, complain_overflow_signed, 0, - "r_jr", TRUE, 0xff, 0xff, TRUE); - -static reloc_howto_type r_disp7 = -HOWTO (R_DISP7, 0, 0, 7, TRUE, 0, complain_overflow_bitfield, 0, - "r_disp7", TRUE, 0x7f, 0x7f, TRUE); - -static reloc_howto_type r_callr = -HOWTO (R_CALLR, 1, 1, 12, TRUE, 0, complain_overflow_signed, 0, - "r_callr", TRUE, 0xfff, 0xfff, TRUE); - -#define BADMAG(x) Z8KBADMAG(x) -#define Z8K 1 /* Customize coffcode.h. */ -#define __A_MAGIC_SET__ - -/* Code to swap in the reloc. */ -#define SWAP_IN_RELOC_OFFSET H_GET_32 -#define SWAP_OUT_RELOC_OFFSET H_PUT_32 -#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \ - dst->r_stuff[0] = 'S'; \ - dst->r_stuff[1] = 'C'; - -/* Code to turn a r_type into a howto ptr, uses the above howto table. */ - -static void -rtype2howto (arelent *internal, struct internal_reloc *dst) -{ - switch (dst->r_type) - { - default: - abort (); - break; - case R_IMM8: - internal->howto = &r_imm8; - break; - case R_IMM16: - internal->howto = &r_da; - break; - case R_JR: - internal->howto = &r_jr; - break; - case R_DISP7: - internal->howto = &r_disp7; - break; - case R_CALLR: - internal->howto = &r_callr; - break; - case R_REL16: - internal->howto = &r_rel16; - break; - case R_IMM32: - internal->howto = &r_imm32; - break; - case R_IMM4L: - internal->howto = &r_imm4l; - break; - } -} - -#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry) - -static reloc_howto_type * -coff_z8k_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, - bfd_reloc_code_real_type code) -{ - switch (code) - { - case BFD_RELOC_8: return & r_imm8; - case BFD_RELOC_16: return & r_da; - case BFD_RELOC_32: return & r_imm32; - case BFD_RELOC_8_PCREL: return & r_jr; - case BFD_RELOC_16_PCREL: return & r_rel16; - case BFD_RELOC_Z8K_DISP7: return & r_disp7; - case BFD_RELOC_Z8K_CALLR: return & r_callr; - case BFD_RELOC_Z8K_IMM4L: return & r_imm4l; - default: BFD_FAIL (); - return 0; - } -} - -/* Perform any necessary magic to the addend in a reloc entry. */ - -#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \ - cache_ptr->addend = ext_reloc.r_offset; - -#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \ - reloc_processing(relent, reloc, symbols, abfd, section) - -static void -reloc_processing (arelent *relent, - struct internal_reloc *reloc, - asymbol **symbols, - bfd *abfd, - asection *section) -{ - relent->address = reloc->r_vaddr; - rtype2howto (relent, reloc); - - if (reloc->r_symndx > 0) - relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx]; - else - relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; - - relent->addend = reloc->r_offset; - relent->address -= section->vma; -} - -static void -extra_case (bfd *in_abfd, - struct bfd_link_info *link_info, - struct bfd_link_order *link_order, - arelent *reloc, - bfd_byte *data, - unsigned int *src_ptr, - unsigned int *dst_ptr) -{ - asection * input_section = link_order->u.indirect.section; - - switch (reloc->howto->type) - { - case R_IMM8: - bfd_put_8 (in_abfd, - bfd_coff_reloc16_get_value (reloc, link_info, input_section), - data + *dst_ptr); - (*dst_ptr) += 1; - (*src_ptr) += 1; - break; - - case R_IMM32: - /* If no flags are set, assume immediate value. */ - if (! (*reloc->sym_ptr_ptr)->section->flags) - { - bfd_put_32 (in_abfd, - bfd_coff_reloc16_get_value (reloc, link_info, - input_section), - data + *dst_ptr); - } - else - { - bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, - input_section); - /* Addresses are 23 bit, and the layout of those in a 32-bit - value is as follows: - 1AAAAAAA xxxxxxxx AAAAAAAA AAAAAAAA - (A - address bits, x - ignore). */ - dst = (dst & 0xffff) | ((dst & 0xff0000) << 8) | 0x80000000; - bfd_put_32 (in_abfd, dst, data + *dst_ptr); - } - (*dst_ptr) += 4; - (*src_ptr) += 4; - break; - - case R_IMM4L: - bfd_put_8 (in_abfd, - ((bfd_get_8 (in_abfd, data + *dst_ptr) & 0xf0) - | (0x0f - & bfd_coff_reloc16_get_value (reloc, link_info, - input_section))), - data + *dst_ptr); - (*dst_ptr) += 1; - (*src_ptr) += 1; - break; - - case R_IMM16: - bfd_put_16 (in_abfd, - bfd_coff_reloc16_get_value (reloc, link_info, input_section), - data + *dst_ptr); - (*dst_ptr) += 2; - (*src_ptr) += 2; - break; - - case R_JR: - { - bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, - input_section); - bfd_vma dot = (*dst_ptr - + input_section->output_offset - + input_section->output_section->vma); - int gap = dst - dot - 1; /* -1, since we're in the odd byte of the - word and the pc's been incremented. */ - - if (gap & 1) - abort (); - gap /= 2; - if (gap > 128 || gap < -128) - { - if (! ((*link_info->callbacks->reloc_overflow) - (link_info, NULL, - bfd_asymbol_name (*reloc->sym_ptr_ptr), - reloc->howto->name, reloc->addend, input_section->owner, - input_section, reloc->address))) - abort (); - } - bfd_put_8 (in_abfd, gap, data + *dst_ptr); - (*dst_ptr)++; - (*src_ptr)++; - break; - } - - case R_DISP7: - { - bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, - input_section); - bfd_vma dot = (*dst_ptr - + input_section->output_offset - + input_section->output_section->vma); - int gap = dst - dot - 1; /* -1, since we're in the odd byte of the - word and the pc's been incremented. */ - - if (gap & 1) - abort (); - gap /= 2; - - if (gap > 0 || gap < -127) - { - if (! ((*link_info->callbacks->reloc_overflow) - (link_info, NULL, - bfd_asymbol_name (*reloc->sym_ptr_ptr), - reloc->howto->name, reloc->addend, input_section->owner, - input_section, reloc->address))) - abort (); - } - bfd_put_8 (in_abfd, - (bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f), - data + *dst_ptr); - (*dst_ptr)++; - (*src_ptr)++; - break; - } - - case R_CALLR: - { - bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, - input_section); - bfd_vma dot = (*dst_ptr - + input_section->output_offset - + input_section->output_section->vma); - int gap = dst - dot - 2; - - if (gap & 1) - abort (); - if (gap > 4096 || gap < -4095) - { - if (! ((*link_info->callbacks->reloc_overflow) - (link_info, NULL, - bfd_asymbol_name (*reloc->sym_ptr_ptr), - reloc->howto->name, reloc->addend, input_section->owner, - input_section, reloc->address))) - abort (); - } - gap /= 2; - bfd_put_16 (in_abfd, - (bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff), - data + *dst_ptr); - (*dst_ptr) += 2; - (*src_ptr) += 2; - break; - } - - case R_REL16: - { - bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info, - input_section); - bfd_vma dot = (*dst_ptr - + input_section->output_offset - + input_section->output_section->vma); - int gap = dst - dot - 2; - - if (gap > 32767 || gap < -32768) - { - if (! ((*link_info->callbacks->reloc_overflow) - (link_info, NULL, - bfd_asymbol_name (*reloc->sym_ptr_ptr), - reloc->howto->name, reloc->addend, input_section->owner, - input_section, reloc->address))) - abort (); - } - bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr); - (*dst_ptr) += 2; - (*src_ptr) += 2; - break; - } - - default: - abort (); - } -} - -#define coff_reloc16_extra_cases extra_case -#define coff_bfd_reloc_type_lookup coff_z8k_reloc_type_lookup - -#include "coffcode.h" - -#undef coff_bfd_get_relocated_section_contents -#define coff_bfd_get_relocated_section_contents \ - bfd_coff_reloc16_get_relocated_section_contents - -#undef coff_bfd_relax_section -#define coff_bfd_relax_section bfd_coff_reloc16_relax_section - -CREATE_BIG_COFF_TARGET_VEC (z8kcoff_vec, "coff-z8k", 0, 0, '_', NULL, COFF_SWAP_TABLE) |