X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=bfd%2Felf32-i860.c;h=41d5e93f6fbd818378e910ba4ca6868c0f6923bc;hb=ceaf50a2f96d755dc9287e347548d8228cb29619;hp=f8ab971051836592790462b4d6f700fd8bf4dc2b;hpb=f0fe0e16e17d196619746299b29755f87718a96b;p=external%2Fbinutils.git diff --git a/bfd/elf32-i860.c b/bfd/elf32-i860.c index f8ab971..41d5e93 100644 --- a/bfd/elf32-i860.c +++ b/bfd/elf32-i860.c @@ -1,63 +1,263 @@ /* Intel i860 specific support for 32-bit ELF. - Copyright 1993, 1995, 1999, 2000, 2001, 2002 + Copyright 1993, 1995, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc. Full i860 support contributed by Jason Eckhardt . -This file is part of BFD, the Binary File Descriptor library. + 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 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 3 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. + 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. */ + 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 "bfd.h" #include "libbfd.h" #include "elf-bfd.h" #include "elf/i860.h" -/* Prototypes. */ -static reloc_howto_type *lookup_howto - PARAMS ((unsigned int)); +/* 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); -static reloc_howto_type *elf32_i860_reloc_type_lookup - PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); + relocation >>= reloc_entry->howto->rightshift; + relocation = (((relocation & 0xf800) << 5) | (relocation & 0x7ff)) + & reloc_entry->howto->dst_mask; + insn = (insn & ~reloc_entry->howto->dst_mask) | relocation; -static void elf32_i860_info_to_howto_rela - PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); + bfd_put_32 (abfd, (bfd_vma) insn, addr); -static bfd_reloc_status_type elf32_i860_relocate_splitn - PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); + 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; -static bfd_reloc_status_type elf32_i860_relocate_pc16 - PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); + 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; -static bfd_reloc_status_type elf32_i860_relocate_pc26 - PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); + if (bfd_is_com_section (symbol->section)) + relocation = 0; + else + relocation = symbol->value; -static bfd_reloc_status_type elf32_i860_relocate_highadj - PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); + relocation += symbol->section->output_section->vma; + relocation += symbol->section->output_offset; + relocation += reloc_entry->addend; + relocation += 0x8000; -static boolean elf32_i860_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) + return bfd_reloc_outofrange; -static bfd_reloc_status_type i860_final_link_relocate - PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, bfd_vma)); + addr = (bfd_byte *) data + reloc_entry->address; + insn = bfd_get_32 (abfd, addr); -static boolean elf32_i860_is_local_label_name - PARAMS ((bfd *, const char *)); + 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 [] = @@ -67,487 +267,486 @@ static reloc_howto_type elf32_i860_howto_table [] = 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_NONE", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ - false), /* pcrel_offset */ + 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 */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_32", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_COPY, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_COPY", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_GLOB_DAT, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + 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 */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_JUMP_SLOT, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + 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 */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_RELATIVE, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_RELATIVE", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + 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 */ + TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + i860_howto_pc26_reloc, /* special_function */ "R_860_PC26", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0x3ffffff, /* src_mask */ 0x3ffffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_PLT26, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 26, /* bitsize */ - true, /* pc_relative */ + TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_PLT26", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - true), /* pcrel_offset */ + 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 */ + TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + i860_howto_pc16_reloc, /* special_function */ "R_860_PC16", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0x1f07ff, /* src_mask */ 0x1f07ff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_LOW0, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOW0", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_SPLIT0, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + i860_howto_splitn_reloc, /* special_function */ "R_860_SPLIT0", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0x1f07ff, /* src_mask */ 0x1f07ff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_LOW1, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOW1", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xfffe, /* src_mask */ 0xfffe, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_SPLIT1, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + i860_howto_splitn_reloc, /* special_function */ "R_860_SPLIT1", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0x1f07fe, /* src_mask */ 0x1f07fe, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_LOW2, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOW2", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xfffc, /* src_mask */ 0xfffc, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_SPLIT2, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + i860_howto_splitn_reloc, /* special_function */ "R_860_SPLIT2", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0x1f07fc, /* src_mask */ 0x1f07fc, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_LOW3, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOW3", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xfff8, /* src_mask */ 0xfff8, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_LOGOT0, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOGOT0", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0xffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_SPGOT0, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_SPGOT0", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0xffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_LOGOT1, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOGOT1", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0xffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_SPGOT1, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_SPGOT1", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0xffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_LOGOTOFF0, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOGOTOFF0", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_SPGOTOFF0, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_SPGOTOFF0", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_LOGOTOFF1, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOGOTOFF1", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_SPGOTOFF1, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_SPGOTOFF1", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_LOGOTOFF2, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOGOTOFF2", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_LOGOTOFF3, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOGOTOFF3", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_LOPC, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - true, /* pc_relative */ + TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_LOPC", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_HIGHADJ, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + i860_howto_highadj_reloc, /* special_function */ "R_860_HIGHADJ", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_HAGOT, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_HAGOT", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0xffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_HAGOTOFF, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_HAGOTOFF", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_HAPC, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - true, /* pc_relative */ + TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_HAPC", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_HIGH, /* type */ 16, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_HIGH", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ HOWTO (R_860_HIGOT, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_HIGOT", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0xffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ HOWTO (R_860_HIGOTOFF, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_860_HIGOTOFF", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ }; static unsigned char elf_code_to_howto_index[R_860_max + 1]; static reloc_howto_type * -lookup_howto (rtype) - unsigned int rtype; +lookup_howto (unsigned int rtype) { static int initialized = 0; int i; @@ -572,9 +771,8 @@ lookup_howto (rtype) /* Given a BFD reloc, return the matching HOWTO structure. */ static reloc_howto_type * -elf32_i860_reloc_type_lookup (abfd, code) - bfd * abfd ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; +elf32_i860_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, + bfd_reloc_code_real_type code) { unsigned int rtype; @@ -689,12 +887,28 @@ elf32_i860_reloc_type_lookup (abfd, code) return lookup_howto (rtype); } +static reloc_howto_type * +elf32_i860_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < (sizeof (elf32_i860_howto_table) + / sizeof (elf32_i860_howto_table[0])); + i++) + if (elf32_i860_howto_table[i].name != NULL + && strcasecmp (elf32_i860_howto_table[i].name, r_name) == 0) + return &elf32_i860_howto_table[i]; + + return NULL; +} + /* Given a ELF reloc, return the matching HOWTO structure. */ static void -elf32_i860_info_to_howto_rela (abfd, bfd_reloc, elf_reloc) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *bfd_reloc; - Elf64_Internal_Rela *elf_reloc; +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)); @@ -703,11 +917,10 @@ elf32_i860_info_to_howto_rela (abfd, bfd_reloc, elf_reloc) /* 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 (input_bfd, rello, contents, value) - bfd *input_bfd; - Elf_Internal_Rela *rello; - bfd_byte *contents; - bfd_vma value; +elf32_i860_relocate_splitn (bfd *input_bfd, + Elf_Internal_Rela *rello, + bfd_byte *contents, + bfd_vma value) { bfd_vma insn; reloc_howto_type *howto; @@ -718,7 +931,7 @@ elf32_i860_relocate_splitn (input_bfd, rello, contents, value) value += rello->r_addend; /* Separate the fields and insert. */ - value = (((value & 0xf8) << 5) | (value & 0x7ff)) & howto->dst_mask; + 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); @@ -729,12 +942,11 @@ elf32_i860_relocate_splitn (input_bfd, rello, contents, value) involves a 16-bit, PC-relative field that is split into two contiguous parts. */ static bfd_reloc_status_type -elf32_i860_relocate_pc16 (input_bfd, input_section, rello, contents, value) - bfd *input_bfd; - asection *input_section; - Elf_Internal_Rela *rello; - bfd_byte *contents; - bfd_vma value; +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; @@ -749,8 +961,9 @@ elf32_i860_relocate_pc16 (input_bfd, input_section, rello, contents, value) /* Relocate. */ value += rello->r_addend; - /* Separate the fields and insert. */ - value = (((value & 0xf8) << 5) | (value & 0x7ff)) & howto->dst_mask; + /* 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); @@ -761,12 +974,11 @@ elf32_i860_relocate_pc16 (input_bfd, input_section, rello, contents, value) /* 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 (input_bfd, input_section, rello, contents, value) - bfd *input_bfd; - asection *input_section; - Elf_Internal_Rela *rello; - bfd_byte *contents; - bfd_vma value; +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; @@ -792,18 +1004,17 @@ elf32_i860_relocate_pc26 (input_bfd, input_section, rello, contents, value) /* Specialized relocation handler for R_860_HIGHADJ. */ static bfd_reloc_status_type -elf32_i860_relocate_highadj (input_bfd, rel, contents, value) - bfd *input_bfd; - Elf_Internal_Rela *rel; - bfd_byte *contents; - bfd_vma value; +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 & 0x8000) << 1); value += rel->r_addend; + value += 0x8000; value = ((value >> 16) & 0xffff); insn = (insn & 0xffff0000) | value; @@ -815,13 +1026,12 @@ elf32_i860_relocate_highadj (input_bfd, rel, contents, value) /* 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 (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; +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, @@ -840,7 +1050,7 @@ i860_final_link_relocate (howto, input_bfd, input_section, contents, rel, reloca zero. This function is responsible for adjusting the section contents as - necessary, and (if using Rela relocs and generating a relocateable + 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 @@ -854,30 +1064,25 @@ i860_final_link_relocate (howto, input_bfd, input_section, contents, rel, reloca The global hash table entry for the global symbols can be found via elf_sym_hashes (input_bfd). - When generating relocateable output, this function must handle + 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 boolean -elf32_i860_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; +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->relocateable) - return true; + 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); @@ -896,13 +1101,6 @@ elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section, int r_type; r_type = ELF32_R_TYPE (rel->r_info); - -#if 0 - if ( r_type == R_860_GNU_VTINHERIT - || r_type == R_860_GNU_VTENTRY) - continue; -#endif - r_symndx = ELF32_R_SYM (rel->r_info); howto = lookup_howto ((unsigned) ELF32_R_TYPE (rel->r_info)); @@ -914,7 +1112,7 @@ elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section, { sym = local_syms + r_symndx; sec = local_sections [r_symndx]; - relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel); + 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); @@ -922,36 +1120,28 @@ elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section, } else { - h = sym_hashes [r_symndx - symtab_hdr->sh_info]; + bfd_boolean unresolved_reloc, warned; - 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; + RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, + r_symndx, symtab_hdr, sym_hashes, + h, sec, relocation, + unresolved_reloc, warned); + } - 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 (sec != NULL && elf_discarded_section (sec)) + { + /* For relocs against symbols from removed linkonce sections, + or sections discarded by a linker script, we just want the + section contents zeroed. Avoid any special processing. */ + _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); + rel->r_info = 0; + rel->r_addend = 0; + continue; } + if (info->relocatable) + continue; + switch (r_type) { default: @@ -1015,13 +1205,13 @@ elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section, { case bfd_reloc_overflow: r = info->callbacks->reloc_overflow - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset); + (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); + (info, name, input_bfd, input_section, rel->r_offset, TRUE); break; case bfd_reloc_outofrange: @@ -1046,11 +1236,11 @@ elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section, (info, msg, name, input_bfd, input_section, rel->r_offset); if (! r) - return false; + return FALSE; } } - return true; + return TRUE; } /* Return whether a symbol name implies a local label. SVR4/860 compilers @@ -1058,13 +1248,11 @@ elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section, 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 boolean -elf32_i860_is_local_label_name (abfd, name) - bfd *abfd; - const char *name; +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 TRUE; return _bfd_elf_is_local_label_name (abfd, name); } @@ -1082,6 +1270,7 @@ elf32_i860_is_local_label_name (abfd, name) #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_reloc_name_lookup elf32_i860_reloc_name_lookup #define bfd_elf32_bfd_is_local_label_name elf32_i860_is_local_label_name #include "elf32-target.h"