diff options
Diffstat (limited to 'contrib/binutils/bfd/elf64-mips.c')
| -rw-r--r-- | contrib/binutils/bfd/elf64-mips.c | 586 |
1 files changed, 476 insertions, 110 deletions
diff --git a/contrib/binutils/bfd/elf64-mips.c b/contrib/binutils/bfd/elf64-mips.c index fa3b494b998b..c8f3127e3c9e 100644 --- a/contrib/binutils/bfd/elf64-mips.c +++ b/contrib/binutils/bfd/elf64-mips.c @@ -1,5 +1,5 @@ /* MIPS-specific support for 64-bit ELF - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 + Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. Ian Lance Taylor, Cygnus Support Linker support added by Mark Mitchell, CodeSourcery, LLC. @@ -19,7 +19,7 @@ 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. */ +Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ /* This file supports the 64-bit MIPS ELF ABI. @@ -299,9 +299,11 @@ static reloc_howto_type mips_elf64_howto_table_rel[] = 0x0000ffff, /* dst_mask */ FALSE), /* pcrel_offset */ - /* 16 bit PC relative reference. */ + /* 16 bit PC relative reference. Note that the ABI document has a typo + and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. + We do the right thing here. */ HOWTO (R_MIPS_PC16, /* type */ - 0, /* rightshift */ + 2, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ TRUE, /* pc_relative */ @@ -622,7 +624,7 @@ static reloc_howto_type mips_elf64_howto_table_rel[] = /* Protected jump conversion. This is an optimization hint. No relocation is required for correctness. */ - HOWTO (R_MIPS_JALR, /* type */ + HOWTO (R_MIPS_JALR, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ @@ -630,11 +632,165 @@ static reloc_howto_type mips_elf64_howto_table_rel[] = 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ _bfd_mips_elf_generic_reloc, /* special_function */ - "R_MIPS_JALR", /* name */ + "R_MIPS_JALR", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ 0x00000000, /* dst_mask */ FALSE), /* pcrel_offset */ + + /* TLS relocations. */ + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), + + HOWTO (R_MIPS_TLS_DTPMOD64, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPMOD64", /* name */ + TRUE, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + FALSE), /* pcrel_offset */ + + HOWTO (R_MIPS_TLS_DTPREL64, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL64", /* name */ + TRUE, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS general dynamic variable reference. */ + HOWTO (R_MIPS_TLS_GD, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic variable reference. */ + HOWTO (R_MIPS_TLS_LDM, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS IE dynamic relocations. */ + EMPTY_HOWTO (R_MIPS_TLS_TPREL32), + + HOWTO (R_MIPS_TLS_TPREL64, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL64", /* name */ + TRUE, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; /* The relocation table used for SHT_RELA sections. */ @@ -794,9 +950,11 @@ static reloc_howto_type mips_elf64_howto_table_rela[] = 0x0000ffff, /* dst_mask */ FALSE), /* pcrel_offset */ - /* 16 bit PC relative reference. */ + /* 16 bit PC relative reference. Note that the ABI document has a typo + and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. + We do the right thing here. */ HOWTO (R_MIPS_PC16, /* type */ - 0, /* rightshift */ + 2, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ TRUE, /* pc_relative */ @@ -1138,7 +1296,7 @@ static reloc_howto_type mips_elf64_howto_table_rela[] = /* Protected jump conversion. This is an optimization hint. No relocation is required for correctness. */ - HOWTO (R_MIPS_JALR, /* type */ + HOWTO (R_MIPS_JALR, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ @@ -1146,15 +1304,130 @@ static reloc_howto_type mips_elf64_howto_table_rela[] = 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ _bfd_mips_elf_generic_reloc, /* special_function */ - "R_MIPS_JALR", /* name */ + "R_MIPS_JALR", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ 0x00000000, /* dst_mask */ FALSE), /* pcrel_offset */ + + /* TLS relocations. */ + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), + + /* TLS general dynamic variable reference. */ + HOWTO (R_MIPS_TLS_GD, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic variable reference. */ + HOWTO (R_MIPS_TLS_LDM, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_TPREL32), + EMPTY_HOWTO (R_MIPS_TLS_TPREL64), + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; -/* The reloc used for the mips16 jump instruction. */ -static reloc_howto_type elf_mips16_jump_howto = +static reloc_howto_type mips16_elf64_howto_table_rel[] = +{ + /* The reloc used for the mips16 jump instruction. */ HOWTO (R_MIPS16_26, /* type */ 2, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ @@ -1170,10 +1443,9 @@ static reloc_howto_type elf_mips16_jump_howto = TRUE, /* partial_inplace */ 0x3ffffff, /* src_mask */ 0x3ffffff, /* dst_mask */ - FALSE); /* pcrel_offset */ + FALSE), /* pcrel_offset */ -/* The reloc used for the mips16 gprel instruction. */ -static reloc_howto_type elf_mips16_gprel_howto = + /* The reloc used for the mips16 gprel instruction. */ HOWTO (R_MIPS16_GPREL, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ @@ -1184,9 +1456,118 @@ static reloc_howto_type elf_mips16_gprel_howto = mips16_gprel_reloc, /* special_function */ "R_MIPS16_GPREL", /* name */ TRUE, /* partial_inplace */ - 0x07ff001f, /* src_mask */ - 0x07ff001f, /* dst_mask */ - FALSE); /* pcrel_offset */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A placeholder for MIPS16 reference to global offset table. */ + EMPTY_HOWTO (R_MIPS16_GOT16), + + /* A placeholder for MIPS16 16 bit call through global offset table. */ + EMPTY_HOWTO (R_MIPS16_CALL16), + + /* MIPS16 high 16 bits of symbol value. */ + HOWTO (R_MIPS16_HI16, /* 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_mips_elf_hi16_reloc, /* special_function */ + "R_MIPS16_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 low 16 bits of symbol value. */ + HOWTO (R_MIPS16_LO16, /* 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_mips_elf_lo16_reloc, /* special_function */ + "R_MIPS16_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ +}; + +static reloc_howto_type mips16_elf64_howto_table_rela[] = +{ + /* The reloc used for the mips16 jump instruction. */ + HOWTO (R_MIPS16_26, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 26, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + /* This needs complex overflow + detection, because the upper four + bits must match the PC. */ + mips16_jump_reloc, /* special_function */ + "R_MIPS16_26", /* name */ + FALSE, /* partial_inplace */ + 0x3ffffff, /* src_mask */ + 0x3ffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* The reloc used for the mips16 gprel instruction. */ + HOWTO (R_MIPS16_GPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + mips16_gprel_reloc, /* special_function */ + "R_MIPS16_GPREL", /* name */ + FALSE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A placeholder for MIPS16 reference to global offset table. */ + EMPTY_HOWTO (R_MIPS16_GOT16), + + /* A placeholder for MIPS16 16 bit call through global offset table. */ + EMPTY_HOWTO (R_MIPS16_CALL16), + + /* MIPS16 high 16 bits of symbol value. */ + HOWTO (R_MIPS16_HI16, /* 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_mips_elf_hi16_reloc, /* special_function */ + "R_MIPS16_HI16", /* name */ + FALSE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 low 16 bits of symbol value. */ + HOWTO (R_MIPS16_LO16, /* 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_mips_elf_lo16_reloc, /* special_function */ + "R_MIPS16_LO16", /* name */ + FALSE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ +}; /* GNU extension to record C++ vtable hierarchy */ static reloc_howto_type elf_mips_gnu_vtinherit_howto = @@ -1367,9 +1748,6 @@ mips_elf64_be_swap_reloc_out (bfd *abfd, const Elf_Internal_Rela *src, mirel.r_offset = src[0].r_offset; BFD_ASSERT(src[0].r_offset == src[1].r_offset); -#if 0 - BFD_ASSERT(src[0].r_offset == src[2].r_offset); -#endif mirel.r_type = ELF64_MIPS_R_TYPE (src[0].r_info); mirel.r_sym = ELF64_R_SYM (src[0].r_info); @@ -1546,14 +1924,14 @@ mips_elf64_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, bfd_reloc_status_type ret; bfd_vma gp; - /* If we're relocating, and this is an external symbol, we don't - want to change anything. */ + /* R_MIPS_LITERAL relocations are defined for local symbols only. */ if (output_bfd != NULL && (symbol->flags & BSF_SECTION_SYM) == 0 && (symbol->flags & BSF_LOCAL) != 0) { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; + *error_message = (char *) + _("literal relocation occurs for an external symbol"); + return bfd_reloc_outofrange; } /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ @@ -1589,8 +1967,7 @@ mips_elf64_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, bfd_vma relocation; bfd_vma val; - /* If we're relocating, and this is an external symbol, we don't want - to change anything. */ + /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ if (output_bfd != NULL && (symbol->flags & BSF_SECTION_SYM) == 0 && (symbol->flags & BSF_LOCAL) != 0) @@ -1608,10 +1985,10 @@ mips_elf64_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, output_bfd = symbol->section->output_section->owner; } - ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, - error_message, &gp); - if (ret != bfd_reloc_ok) - return ret; + ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, + error_message, &gp); + if (ret != bfd_reloc_ok) + return ret; if (bfd_is_com_section (symbol->section)) relocation = 0; @@ -1621,7 +1998,7 @@ mips_elf64_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, relocation += symbol->section->output_section->vma; relocation += symbol->section->output_offset; - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; /* Set val to the offset into the section or symbol. */ @@ -1707,14 +2084,11 @@ mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, { bfd_boolean relocatable; bfd_reloc_status_type ret; + bfd_byte *location; bfd_vma gp; - unsigned short extend = 0; - unsigned short insn = 0; - bfd_signed_vma val; - bfd_vma relocation; - /* If we're relocating, and this is an external symbol with no - addend, we don't want to change anything. */ + /* If we're relocating, and this is an external symbol, we don't want + to change anything. */ if (output_bfd != NULL && (symbol->flags & BSF_SECTION_SYM) == 0 && (symbol->flags & BSF_LOCAL) != 0) @@ -1736,55 +2110,16 @@ mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, if (ret != bfd_reloc_ok) return ret; - if (reloc_entry->address > input_section->_cooked_size) - return bfd_reloc_outofrange; - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; - - relocation += symbol->section->output_section->vma; - relocation += symbol->section->output_offset; - - /* Set val to the offset into the section or symbol. */ - val = reloc_entry->addend; + location = (bfd_byte *) data + reloc_entry->address; + _bfd_mips16_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, + location); + ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, + input_section, relocatable, + data, gp); + _bfd_mips16_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, + location); - if (reloc_entry->howto->partial_inplace) - { - /* Pick up the mips16 extend instruction and the real instruction. */ - extend = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address); - insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address + 2); - val += ((extend & 0x1f) << 11) | (extend & 0x7e0) | (insn & 0x1f); - } - - _bfd_mips_elf_sign_extend(val, 16); - - /* Adjust val for the final section location and GP value. If we - are producing relocatable output, we don't want to do this for - an external symbol. */ - if (! relocatable - || (symbol->flags & BSF_SECTION_SYM) != 0) - val += relocation - gp; - - if (reloc_entry->howto->partial_inplace) - { - bfd_put_16 (abfd, - (extend & 0xf800) | ((val >> 11) & 0x1f) | (val & 0x7e0), - (bfd_byte *) data + reloc_entry->address); - bfd_put_16 (abfd, - (insn & 0xffe0) | (val & 0x1f), - (bfd_byte *) data + reloc_entry->address + 2); - } - else - reloc_entry->addend = val; - - if (relocatable) - reloc_entry->address += input_section->output_offset; - else if (((val & ~0xffff) != ~0xffff) && ((val & ~0xffff) != 0)) - return bfd_reloc_overflow; - - return bfd_reloc_ok; + return ret; } /* A mapping from BFD reloc types to MIPS ELF reloc types. */ @@ -1802,7 +2137,7 @@ static const struct elf_reloc_map mips_reloc_map[] = /* There is no BFD reloc for R_MIPS_REL32. */ { BFD_RELOC_64, R_MIPS_64 }, { BFD_RELOC_CTOR, R_MIPS_64 }, - { BFD_RELOC_16_PCREL, R_MIPS_PC16 }, + { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, { BFD_RELOC_HI16_S, R_MIPS_HI16 }, { BFD_RELOC_LO16, R_MIPS_LO16 }, { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, @@ -1830,7 +2165,28 @@ static const struct elf_reloc_map mips_reloc_map[] = { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, - { BFD_RELOC_MIPS_JALR, R_MIPS_JALR } + { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, + { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, + { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, + { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, + { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, + { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, + { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, + { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, + { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, + { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, + { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, + { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 } +}; + +static const struct elf_reloc_map mips16_reloc_map[] = +{ + { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, + { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, }; /* Given a BFD reloc type, return a howto structure. */ @@ -1843,6 +2199,7 @@ bfd_elf64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, /* FIXME: We default to RELA here instead of choosing the right relocation variant. */ reloc_howto_type *howto_table = mips_elf64_howto_table_rela; + reloc_howto_type *howto16_table = mips16_elf64_howto_table_rela; for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); i++) @@ -1851,18 +2208,19 @@ bfd_elf64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, return &howto_table[(int) mips_reloc_map[i].elf_val]; } + for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); + i++) + { + if (mips16_reloc_map[i].bfd_val == code) + return &howto16_table[(int) mips16_reloc_map[i].elf_val]; + } + switch (code) { - case BFD_RELOC_MIPS16_JMP: - return &elf_mips16_jump_howto; - case BFD_RELOC_MIPS16_GPREL: - return &elf_mips16_gprel_howto; case BFD_RELOC_VTABLE_INHERIT: return &elf_mips_gnu_vtinherit_howto; case BFD_RELOC_VTABLE_ENTRY: return &elf_mips_gnu_vtentry_howto; - case BFD_RELOC_16_PCREL_S2: - return &elf_mips_gnu_rela16_s2; default: bfd_set_error (bfd_error_bad_value); return NULL; @@ -1876,10 +2234,6 @@ mips_elf64_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p) { switch (r_type) { - case R_MIPS16_26: - return &elf_mips16_jump_howto; - case R_MIPS16_GPREL: - return &elf_mips16_gprel_howto; case R_MIPS_GNU_VTINHERIT: return &elf_mips_gnu_vtinherit_howto; case R_MIPS_GNU_VTENTRY: @@ -1890,6 +2244,13 @@ mips_elf64_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p) else return &elf_mips_gnu_rel16_s2; default: + if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) + { + if (rela_p) + return &mips16_elf64_howto_table_rela[r_type - R_MIPS16_min]; + else + return &mips16_elf64_howto_table_rel[r_type - R_MIPS16_min]; + } BFD_ASSERT (r_type < (unsigned int) R_MIPS_max); if (rela_p) return &mips_elf64_howto_table_rela[r_type]; @@ -1984,7 +2345,7 @@ mips_elf64_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, if (! (*slurp_relocs) (abfd, s, syms, TRUE)) return -1; - count = s->_raw_size / elf_section_data (s)->this_hdr.sh_entsize * 3; + count = s->size / elf_section_data (s)->this_hdr.sh_entsize * 3; p = s->relocation; for (i = 0; i < count; i++) *storage++ = p++; @@ -2120,7 +2481,7 @@ mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect, case RSS_GP0: case RSS_LOC: /* FIXME: I think these need to be handled using - special howto structures. */ + special howto structures. */ BFD_ASSERT (0); break; @@ -2210,7 +2571,7 @@ mips_elf64_slurp_reloc_table (bfd *abfd, asection *asect, case because relocations against this section may use the dynamic symbol table, and in that case bfd_section_from_shdr in elf.c does not update the RELOC_COUNT. */ - if (asect->_raw_size == 0) + if (asect->size == 0) return TRUE; rel_hdr = &d->this_hdr; @@ -2352,6 +2713,8 @@ mips_elf64_write_rel (bfd *abfd, asection *sec, sym = *ptr->sym_ptr_ptr; if (sym == last_sym) n = last_sym_idx; + else if (bfd_is_abs_section (sym->section) && sym->value == 0) + n = STN_UNDEF; else { last_sym = sym; @@ -2448,6 +2811,8 @@ mips_elf64_write_rela (bfd *abfd, asection *sec, sym = *ptr->sym_ptr_ptr; if (sym == last_sym) n = last_sym_idx; + else if (bfd_is_abs_section (sym->section) && sym->value == 0) + n = STN_UNDEF; else { last_sym = sym; @@ -2539,7 +2904,7 @@ static bfd_boolean elf64_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) { int offset; - unsigned int raw_size; + unsigned int size; switch (note->descsz) { @@ -2555,14 +2920,14 @@ elf64_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) /* pr_reg */ offset = 112; - raw_size = 360; + size = 360; break; } /* Make a ".reg/999" section. */ return _bfd_elfcore_make_pseudosection (abfd, ".reg", - raw_size, note->descpos + offset); + size, note->descpos + offset); } static bfd_boolean @@ -2652,8 +3017,8 @@ const struct elf_size_info mips_elf64_size_info = sizeof (Elf64_External_Sym), sizeof (Elf64_External_Dyn), sizeof (Elf_External_Note), - 4, /* hash-table entry size */ - 3, /* internal relocations per external relocations */ + 4, /* hash-table entry size */ + 3, /* internal relocations per external relocations */ 64, /* arch_size */ 3, /* log_file_align */ ELFCLASS64, @@ -2739,6 +3104,7 @@ const struct elf_size_info mips_elf64_size_info = MIPS-specific function only applies to IRIX5, which had no 64-bit ABI. */ #define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line +#define bfd_elf64_find_inliner_info _bfd_mips_elf_find_inliner_info #define bfd_elf64_new_section_hook _bfd_mips_elf_new_section_hook #define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents #define bfd_elf64_bfd_get_relocated_section_contents \ @@ -2801,10 +3167,10 @@ extern bfd_boolean bfd_elf64_archive_write_armap #undef ELF_MAXPAGESIZE -#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_vec -#define TARGET_LITTLE_NAME "elf64-tradlittlemips" -#define TARGET_BIG_SYM bfd_elf64_tradbigmips_vec -#define TARGET_BIG_NAME "elf64-tradbigmips" +#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_vec +#define TARGET_LITTLE_NAME "elf64-tradlittlemips" +#define TARGET_BIG_SYM bfd_elf64_tradbigmips_vec +#define TARGET_BIG_NAME "elf64-tradbigmips" /* The SVR4 MIPS ABI says that this should be 0x10000, and Linux uses page sizes of up to that limit, so we need to respect it. */ |