diff options
Diffstat (limited to 'binutils-2.17/bfd/elf32-i860.c')
| -rw-r--r-- | binutils-2.17/bfd/elf32-i860.c | 1246 |
1 files changed, 0 insertions, 1246 deletions
diff --git a/binutils-2.17/bfd/elf32-i860.c b/binutils-2.17/bfd/elf32-i860.c deleted file mode 100644 index 45325601..00000000 --- a/binutils-2.17/bfd/elf32-i860.c +++ /dev/null @@ -1,1246 +0,0 @@ -/* Intel i860 specific support for 32-bit ELF. - Copyright 1993, 1995, 1999, 2000, 2001, 2002, 2003, 2004, 2005 - Free Software Foundation, Inc. - - Full i860 support contributed by Jason Eckhardt <jle@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 "elf-bfd.h" -#include "elf/i860.h" - -/* special_function for R_860_PC26 relocation. */ -static bfd_reloc_status_type -i860_howto_pc26_reloc (bfd *abfd ATTRIBUTE_UNUSED, - arelent *reloc_entry, - asymbol *symbol, - void *data ATTRIBUTE_UNUSED, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) -{ - bfd_vma insn; - bfd_vma relocation; - bfd_byte *addr; - - if (output_bfd != NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && (! reloc_entry->howto->partial_inplace - || reloc_entry->addend == 0)) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* Used elf32-mips.c as an example. */ - if (bfd_is_und_section (symbol->section) - && output_bfd == (bfd *) NULL) - return bfd_reloc_undefined; - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; - - relocation += symbol->section->output_section->vma; - relocation += symbol->section->output_offset; - relocation += reloc_entry->addend; - - if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) - return bfd_reloc_outofrange; - - /* Adjust for PC-relative relocation. */ - relocation -= (input_section->output_section->vma - + input_section->output_offset - + reloc_entry->address - + 4); - - /* Check for target out of range. */ - if ((bfd_signed_vma)relocation > (0x3ffffff << 2) - || (bfd_signed_vma)relocation < (-0x4000000 << 2)) - return bfd_reloc_outofrange; - - addr = (bfd_byte *) data + reloc_entry->address; - insn = bfd_get_32 (abfd, addr); - - relocation >>= reloc_entry->howto->rightshift; - insn = (insn & ~reloc_entry->howto->dst_mask) - | (relocation & reloc_entry->howto->dst_mask); - - bfd_put_32 (abfd, (bfd_vma) insn, addr); - - return bfd_reloc_ok; -} - -/* special_function for R_860_PC16 relocation. */ -static bfd_reloc_status_type -i860_howto_pc16_reloc (bfd *abfd, - arelent *reloc_entry, - asymbol *symbol, - void *data, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) -{ - bfd_vma insn; - bfd_vma relocation; - bfd_byte *addr; - - if (output_bfd != NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && (! reloc_entry->howto->partial_inplace - || reloc_entry->addend == 0)) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* Used elf32-mips.c as an example. */ - if (bfd_is_und_section (symbol->section) - && output_bfd == (bfd *) NULL) - return bfd_reloc_undefined; - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; - - relocation += symbol->section->output_section->vma; - relocation += symbol->section->output_offset; - relocation += reloc_entry->addend; - - if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) - return bfd_reloc_outofrange; - - /* Adjust for PC-relative relocation. */ - relocation -= (input_section->output_section->vma - + input_section->output_offset - + reloc_entry->address - + 4); - - /* Check for target out of range. */ - if ((bfd_signed_vma)relocation > (0x7fff << 2) - || (bfd_signed_vma)relocation < (-0x8000 << 2)) - return bfd_reloc_outofrange; - - addr = (bfd_byte *) data + reloc_entry->address; - insn = bfd_get_32 (abfd, addr); - - relocation >>= reloc_entry->howto->rightshift; - relocation = (((relocation & 0xf800) << 5) | (relocation & 0x7ff)) - & reloc_entry->howto->dst_mask; - insn = (insn & ~reloc_entry->howto->dst_mask) | relocation; - - bfd_put_32 (abfd, (bfd_vma) insn, addr); - - return bfd_reloc_ok; -} - -/* special_function for R_860_HIGHADJ relocation. */ -static bfd_reloc_status_type -i860_howto_highadj_reloc (bfd *abfd, - arelent *reloc_entry, - asymbol *symbol, - void *data, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) -{ - bfd_vma insn; - bfd_vma relocation; - bfd_byte *addr; - - if (output_bfd != NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && (! reloc_entry->howto->partial_inplace - || reloc_entry->addend == 0)) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* Used elf32-mips.c as an example. */ - if (bfd_is_und_section (symbol->section) - && output_bfd == (bfd *) NULL) - return bfd_reloc_undefined; - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; - - relocation += symbol->section->output_section->vma; - relocation += symbol->section->output_offset; - relocation += reloc_entry->addend; - relocation += 0x8000; - - if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) - return bfd_reloc_outofrange; - - addr = (bfd_byte *) data + reloc_entry->address; - insn = bfd_get_32 (abfd, addr); - - relocation = ((relocation >> 16) & 0xffff); - - insn = (insn & 0xffff0000) | relocation; - - bfd_put_32 (abfd, (bfd_vma) insn, addr); - - return bfd_reloc_ok; -} - -/* special_function for R_860_SPLITn relocations. */ -static bfd_reloc_status_type -i860_howto_splitn_reloc (bfd *abfd, - arelent *reloc_entry, - asymbol *symbol, - void *data, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) -{ - bfd_vma insn; - bfd_vma relocation; - bfd_byte *addr; - - if (output_bfd != NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && (! reloc_entry->howto->partial_inplace - || reloc_entry->addend == 0)) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* Used elf32-mips.c as an example. */ - if (bfd_is_und_section (symbol->section) - && output_bfd == (bfd *) NULL) - return bfd_reloc_undefined; - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; - - relocation += symbol->section->output_section->vma; - relocation += symbol->section->output_offset; - relocation += reloc_entry->addend; - - if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) - return bfd_reloc_outofrange; - - addr = (bfd_byte *) data + reloc_entry->address; - insn = bfd_get_32 (abfd, addr); - - relocation = (((relocation & 0xf800) << 5) | (relocation & 0x7ff)) - & reloc_entry->howto->dst_mask; - insn = (insn & ~reloc_entry->howto->dst_mask) | relocation; - - bfd_put_32 (abfd, (bfd_vma) insn, addr); - - return bfd_reloc_ok; -} - -/* This howto table is preliminary. */ -static reloc_howto_type elf32_i860_howto_table [] = -{ - /* This relocation does nothing. */ - HOWTO (R_860_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_860_NONE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 32-bit absolute relocation. */ - HOWTO (R_860_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_860_32", /* name */ - FALSE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_COPY, /* 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_860_COPY", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_GLOB_DAT, /* 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_860_GLOB_DAT", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_JUMP_SLOT, /* 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_860_JUMP_SLOT", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_RELATIVE, /* 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_860_RELATIVE", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 26-bit PC-relative relocation. */ - HOWTO (R_860_PC26, /* type */ - 2, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - i860_howto_pc26_reloc, /* special_function */ - "R_860_PC26", /* name */ - FALSE, /* partial_inplace */ - 0x3ffffff, /* src_mask */ - 0x3ffffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_PLT26, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_PLT26", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* A 16-bit PC-relative relocation. */ - HOWTO (R_860_PC16, /* type */ - 2, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - i860_howto_pc16_reloc, /* special_function */ - "R_860_PC16", /* name */ - FALSE, /* partial_inplace */ - 0x1f07ff, /* src_mask */ - 0x1f07ff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_LOW0, /* type */ - 0, /* rightshift */ - 2, /* 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_860_LOW0", /* name */ - FALSE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_SPLIT0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - i860_howto_splitn_reloc, /* special_function */ - "R_860_SPLIT0", /* name */ - FALSE, /* partial_inplace */ - 0x1f07ff, /* src_mask */ - 0x1f07ff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_LOW1, /* type */ - 0, /* rightshift */ - 2, /* 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_860_LOW1", /* name */ - FALSE, /* partial_inplace */ - 0xfffe, /* src_mask */ - 0xfffe, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_SPLIT1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - i860_howto_splitn_reloc, /* special_function */ - "R_860_SPLIT1", /* name */ - FALSE, /* partial_inplace */ - 0x1f07fe, /* src_mask */ - 0x1f07fe, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_LOW2, /* type */ - 0, /* rightshift */ - 2, /* 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_860_LOW2", /* name */ - FALSE, /* partial_inplace */ - 0xfffc, /* src_mask */ - 0xfffc, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_SPLIT2, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - i860_howto_splitn_reloc, /* special_function */ - "R_860_SPLIT2", /* name */ - FALSE, /* partial_inplace */ - 0x1f07fc, /* src_mask */ - 0x1f07fc, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_LOW3, /* type */ - 0, /* rightshift */ - 2, /* 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_860_LOW3", /* name */ - FALSE, /* partial_inplace */ - 0xfff8, /* src_mask */ - 0xfff8, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_LOGOT0, /* type */ - 0, /* rightshift */ - 2, /* 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_860_LOGOT0", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_SPGOT0, /* type */ - 0, /* rightshift */ - 2, /* 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_860_SPGOT0", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_LOGOT1, /* type */ - 0, /* rightshift */ - 2, /* 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_860_LOGOT1", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_SPGOT1, /* type */ - 0, /* rightshift */ - 2, /* 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_860_SPGOT1", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_LOGOTOFF0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOTOFF0", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_SPGOTOFF0, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPGOTOFF0", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_LOGOTOFF1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOTOFF1", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_SPGOTOFF1, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_SPGOTOFF1", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_LOGOTOFF2, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOTOFF2", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_LOGOTOFF3, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOGOTOFF3", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_LOPC, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_LOPC", /* name */ - FALSE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_HIGHADJ, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - i860_howto_highadj_reloc, /* special_function */ - "R_860_HIGHADJ", /* name */ - FALSE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_HAGOT, /* type */ - 0, /* rightshift */ - 2, /* 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_860_HAGOT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_HAGOTOFF, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HAGOTOFF", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_HAPC, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HAPC", /* name */ - FALSE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_HIGH, /* type */ - 16, /* rightshift */ - 2, /* 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_860_HIGH", /* name */ - FALSE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_860_HIGOT, /* type */ - 0, /* rightshift */ - 2, /* 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_860_HIGOT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_860_HIGOTOFF, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_860_HIGOTOFF", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ -}; - -static unsigned char elf_code_to_howto_index[R_860_max + 1]; - -static reloc_howto_type * -lookup_howto (unsigned int rtype) -{ - static int initialized = 0; - int i; - int howto_tbl_size = (int) (sizeof (elf32_i860_howto_table) - / sizeof (elf32_i860_howto_table[0])); - - if (! initialized) - { - initialized = 1; - memset (elf_code_to_howto_index, 0xff, - sizeof (elf_code_to_howto_index)); - for (i = 0; i < howto_tbl_size; i++) - elf_code_to_howto_index[elf32_i860_howto_table[i].type] = i; - } - - BFD_ASSERT (rtype <= R_860_max); - i = elf_code_to_howto_index[rtype]; - if (i >= howto_tbl_size) - return 0; - return elf32_i860_howto_table + i; -} - -/* Given a BFD reloc, return the matching HOWTO structure. */ -static reloc_howto_type * -elf32_i860_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, - bfd_reloc_code_real_type code) -{ - unsigned int rtype; - - switch (code) - { - case BFD_RELOC_NONE: - rtype = R_860_NONE; - break; - case BFD_RELOC_32: - rtype = R_860_32; - break; - case BFD_RELOC_860_COPY: - rtype = R_860_COPY; - break; - case BFD_RELOC_860_GLOB_DAT: - rtype = R_860_GLOB_DAT; - break; - case BFD_RELOC_860_JUMP_SLOT: - rtype = R_860_JUMP_SLOT; - break; - case BFD_RELOC_860_RELATIVE: - rtype = R_860_RELATIVE; - break; - case BFD_RELOC_860_PC26: - rtype = R_860_PC26; - break; - case BFD_RELOC_860_PLT26: - rtype = R_860_PLT26; - break; - case BFD_RELOC_860_PC16: - rtype = R_860_PC16; - break; - case BFD_RELOC_860_LOW0: - rtype = R_860_LOW0; - break; - case BFD_RELOC_860_SPLIT0: - rtype = R_860_SPLIT0; - break; - case BFD_RELOC_860_LOW1: - rtype = R_860_LOW1; - break; - case BFD_RELOC_860_SPLIT1: - rtype = R_860_SPLIT1; - break; - case BFD_RELOC_860_LOW2: - rtype = R_860_LOW2; - break; - case BFD_RELOC_860_SPLIT2: - rtype = R_860_SPLIT2; - break; - case BFD_RELOC_860_LOW3: - rtype = R_860_LOW3; - break; - case BFD_RELOC_860_LOGOT0: - rtype = R_860_LOGOT0; - break; - case BFD_RELOC_860_SPGOT0: - rtype = R_860_SPGOT0; - break; - case BFD_RELOC_860_LOGOT1: - rtype = R_860_LOGOT1; - break; - case BFD_RELOC_860_SPGOT1: - rtype = R_860_SPGOT1; - break; - case BFD_RELOC_860_LOGOTOFF0: - rtype = R_860_LOGOTOFF0; - break; - case BFD_RELOC_860_SPGOTOFF0: - rtype = R_860_SPGOTOFF0; - break; - case BFD_RELOC_860_LOGOTOFF1: - rtype = R_860_LOGOTOFF1; - break; - case BFD_RELOC_860_SPGOTOFF1: - rtype = R_860_SPGOTOFF1; - break; - case BFD_RELOC_860_LOGOTOFF2: - rtype = R_860_LOGOTOFF2; - break; - case BFD_RELOC_860_LOGOTOFF3: - rtype = R_860_LOGOTOFF3; - break; - case BFD_RELOC_860_LOPC: - rtype = R_860_LOPC; - break; - case BFD_RELOC_860_HIGHADJ: - rtype = R_860_HIGHADJ; - break; - case BFD_RELOC_860_HAGOT: - rtype = R_860_HAGOT; - break; - case BFD_RELOC_860_HAGOTOFF: - rtype = R_860_HAGOTOFF; - break; - case BFD_RELOC_860_HAPC: - rtype = R_860_HAPC; - break; - case BFD_RELOC_860_HIGH: - rtype = R_860_HIGH; - break; - case BFD_RELOC_860_HIGOT: - rtype = R_860_HIGOT; - break; - case BFD_RELOC_860_HIGOTOFF: - rtype = R_860_HIGOTOFF; - break; - default: - rtype = 0; - break; - } - return lookup_howto (rtype); -} - -/* Given a ELF reloc, return the matching HOWTO structure. */ -static void -elf32_i860_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, - arelent *bfd_reloc, - Elf_Internal_Rela *elf_reloc) -{ - bfd_reloc->howto - = lookup_howto ((unsigned) ELF32_R_TYPE (elf_reloc->r_info)); -} - -/* Specialized relocation handler for R_860_SPLITn. These relocations - involves a 16-bit field that is split into two contiguous parts. */ -static bfd_reloc_status_type -elf32_i860_relocate_splitn (bfd *input_bfd, - Elf_Internal_Rela *rello, - bfd_byte *contents, - bfd_vma value) -{ - bfd_vma insn; - reloc_howto_type *howto; - howto = lookup_howto ((unsigned) ELF32_R_TYPE (rello->r_info)); - insn = bfd_get_32 (input_bfd, contents + rello->r_offset); - - /* Relocate. */ - value += rello->r_addend; - - /* Separate the fields and insert. */ - value = (((value & 0xf800) << 5) | (value & 0x7ff)) & howto->dst_mask; - insn = (insn & ~howto->dst_mask) | value; - - bfd_put_32 (input_bfd, insn, contents + rello->r_offset); - return bfd_reloc_ok; -} - -/* Specialized relocation handler for R_860_PC16. This relocation - involves a 16-bit, PC-relative field that is split into two contiguous - parts. */ -static bfd_reloc_status_type -elf32_i860_relocate_pc16 (bfd *input_bfd, - asection *input_section, - Elf_Internal_Rela *rello, - bfd_byte *contents, - bfd_vma value) -{ - bfd_vma insn; - reloc_howto_type *howto; - howto = lookup_howto ((unsigned) ELF32_R_TYPE (rello->r_info)); - insn = bfd_get_32 (input_bfd, contents + rello->r_offset); - - /* Adjust for PC-relative relocation. */ - value -= (input_section->output_section->vma - + input_section->output_offset); - value -= rello->r_offset; - - /* Relocate. */ - value += rello->r_addend; - - /* Adjust the value by 4, then separate the fields and insert. */ - value = (value - 4) >> howto->rightshift; - value = (((value & 0xf800) << 5) | (value & 0x7ff)) & howto->dst_mask; - insn = (insn & ~howto->dst_mask) | value; - - bfd_put_32 (input_bfd, insn, contents + rello->r_offset); - return bfd_reloc_ok; - -} - -/* Specialized relocation handler for R_860_PC26. This relocation - involves a 26-bit, PC-relative field which must be adjusted by 4. */ -static bfd_reloc_status_type -elf32_i860_relocate_pc26 (bfd *input_bfd, - asection *input_section, - Elf_Internal_Rela *rello, - bfd_byte *contents, - bfd_vma value) -{ - bfd_vma insn; - reloc_howto_type *howto; - howto = lookup_howto ((unsigned) ELF32_R_TYPE (rello->r_info)); - insn = bfd_get_32 (input_bfd, contents + rello->r_offset); - - /* Adjust for PC-relative relocation. */ - value -= (input_section->output_section->vma - + input_section->output_offset); - value -= rello->r_offset; - - /* Relocate. */ - value += rello->r_addend; - - /* Adjust value by 4 and insert the field. */ - value = ((value - 4) >> howto->rightshift) & howto->dst_mask; - insn = (insn & ~howto->dst_mask) | value; - - bfd_put_32 (input_bfd, insn, contents + rello->r_offset); - return bfd_reloc_ok; - -} - -/* Specialized relocation handler for R_860_HIGHADJ. */ -static bfd_reloc_status_type -elf32_i860_relocate_highadj (bfd *input_bfd, - Elf_Internal_Rela *rel, - bfd_byte *contents, - bfd_vma value) -{ - bfd_vma insn; - - insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - - value += rel->r_addend; - value += 0x8000; - value = ((value >> 16) & 0xffff); - - insn = (insn & 0xffff0000) | value; - - bfd_put_32 (input_bfd, insn, contents + rel->r_offset); - return bfd_reloc_ok; -} - -/* Perform a single relocation. By default we use the standard BFD - routines. However, we handle some specially. */ -static bfd_reloc_status_type -i860_final_link_relocate (reloc_howto_type *howto, - bfd *input_bfd, - asection *input_section, - bfd_byte *contents, - Elf_Internal_Rela *rel, - bfd_vma relocation) -{ - return _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, relocation, - rel->r_addend); -} - -/* Relocate an i860 ELF section. - - This is boiler-plate code copied from fr30. - - The RELOCATE_SECTION function is called by the new ELF backend linker - to handle the relocations for a section. - - The relocs are always passed as Rela structures; if the section - actually uses Rel structures, the r_addend field will always be - zero. - - This function is responsible for adjusting the section contents as - necessary, and (if using Rela relocs and generating a relocatable - output file) adjusting the reloc addend as necessary. - - This function does not have to worry about setting the reloc - address or the reloc symbol index. - - LOCAL_SYMS is a pointer to the swapped in local symbols. - - LOCAL_SECTIONS is an array giving the section in the input file - corresponding to the st_shndx field of each local symbol. - - The global hash table entry for the global symbols can be found - via elf_sym_hashes (input_bfd). - - When generating relocatable output, this function must handle - STB_LOCAL/STT_SECTION symbols specially. The output symbol is - going to be the section symbol corresponding to the output - section, which means that the addend must be adjusted - accordingly. */ -static bfd_boolean -elf32_i860_relocate_section (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; - - if (info->relocatable) - return TRUE; - - 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; - - r_type = ELF32_R_TYPE (rel->r_info); - r_symndx = ELF32_R_SYM (rel->r_info); - - howto = lookup_howto ((unsigned) 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 - { - 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); - } - - switch (r_type) - { - default: - r = i860_final_link_relocate (howto, input_bfd, input_section, - contents, rel, relocation); - break; - - case R_860_HIGHADJ: - r = elf32_i860_relocate_highadj (input_bfd, rel, contents, - relocation); - break; - - case R_860_PC16: - r = elf32_i860_relocate_pc16 (input_bfd, input_section, rel, - contents, relocation); - break; - - case R_860_PC26: - r = elf32_i860_relocate_pc26 (input_bfd, input_section, rel, - contents, relocation); - break; - - case R_860_SPLIT0: - case R_860_SPLIT1: - case R_860_SPLIT2: - r = elf32_i860_relocate_splitn (input_bfd, rel, contents, - relocation); - break; - - /* We do not yet handle GOT/PLT/Dynamic relocations. */ - case R_860_COPY: - case R_860_GLOB_DAT: - case R_860_JUMP_SLOT: - case R_860_RELATIVE: - case R_860_PLT26: - case R_860_LOGOT0: - case R_860_SPGOT0: - case R_860_LOGOT1: - case R_860_SPGOT1: - case R_860_LOGOTOFF0: - case R_860_SPGOTOFF0: - case R_860_LOGOTOFF1: - case R_860_SPGOTOFF1: - case R_860_LOGOTOFF2: - case R_860_LOGOTOFF3: - case R_860_LOPC: - case R_860_HAGOT: - case R_860_HAGOTOFF: - case R_860_HAPC: - case R_860_HIGOT: - case R_860_HIGOTOFF: - r = bfd_reloc_notsupported; - break; - } - - if (r != bfd_reloc_ok) - { - const char * msg = (const char *) NULL; - - switch (r) - { - case bfd_reloc_overflow: - r = info->callbacks->reloc_overflow - (info, (h ? &h->root : NULL), 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; -} - -/* Return whether a symbol name implies a local label. SVR4/860 compilers - generate labels of the form ".ep.function_name" to denote the end of a - function prolog. These should be local. - ??? Do any other SVR4 compilers have this convention? If so, this should - be added to the generic routine. */ -static bfd_boolean -elf32_i860_is_local_label_name (bfd *abfd, const char *name) -{ - if (name[0] == '.' && name[1] == 'e' && name[2] == 'p' && name[3] == '.') - return TRUE; - - return _bfd_elf_is_local_label_name (abfd, name); -} - -#define TARGET_BIG_SYM bfd_elf32_i860_vec -#define TARGET_BIG_NAME "elf32-i860" -#define TARGET_LITTLE_SYM bfd_elf32_i860_little_vec -#define TARGET_LITTLE_NAME "elf32-i860-little" -#define ELF_ARCH bfd_arch_i860 -#define ELF_MACHINE_CODE EM_860 -#define ELF_MAXPAGESIZE 4096 - -#define elf_backend_rela_normal 1 -#define elf_info_to_howto_rel NULL -#define elf_info_to_howto elf32_i860_info_to_howto_rela -#define elf_backend_relocate_section elf32_i860_relocate_section -#define bfd_elf32_bfd_reloc_type_lookup elf32_i860_reloc_type_lookup -#define bfd_elf32_bfd_is_local_label_name elf32_i860_is_local_label_name - -#include "elf32-target.h" |