diff options
Diffstat (limited to 'bfd/elf32-mips.c')
| -rw-r--r-- | bfd/elf32-mips.c | 664 |
1 files changed, 599 insertions, 65 deletions
diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c index c0ccdfa..8cd4742 100644 --- a/bfd/elf32-mips.c +++ b/bfd/elf32-mips.c @@ -269,6 +269,8 @@ static bfd *reldyn_sorting_bfd; ((ABI_N32_P (abfd) || ABI_64_P (abfd)) ? ict_irix6 : ict_irix5)) #endif +#define NEWABI_P(abfd) (ABI_N32_P(abfd) || ABI_64_P(abfd)) + /* Whether we are trying to be compatible with IRIX at all. */ #define SGI_COMPAT(abfd) \ (IRIX_COMPAT (abfd) != ict_none) @@ -490,13 +492,13 @@ static void bfd_elf32_swap_compact_rel_out static void bfd_elf32_swap_crinfo_out PARAMS ((bfd *, const Elf32_crinfo *, Elf32_External_crinfo *)); -#define USE_REL 1 /* MIPS uses REL relocations instead of RELA */ - /* In case we're on a 32-bit machine, construct a 64-bit "-1" value from smaller values. Start with zero, widen, *then* decrement. */ #define MINUS_ONE (((bfd_vma)0) - 1) -static reloc_howto_type elf_mips_howto_table[] = +/* The relocation table used for SHT_REL sections. */ + +static reloc_howto_type elf_mips_howto_table_rel[] = { /* No relocation. */ HOWTO (R_MIPS_NONE, /* type */ @@ -516,16 +518,16 @@ static reloc_howto_type elf_mips_howto_table[] = /* 16 bit relocation. */ HOWTO (R_MIPS_16, /* type */ 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ + complain_overflow_signed, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_MIPS_16", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* 32 bit relocation. */ @@ -572,8 +574,8 @@ static reloc_howto_type elf_mips_howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_MIPS_26", /* name */ true, /* partial_inplace */ - 0x3ffffff, /* src_mask */ - 0x3ffffff, /* dst_mask */ + 0x03ffffff, /* src_mask */ + 0x03ffffff, /* dst_mask */ false), /* pcrel_offset */ /* High 16 bits of symbol value. */ @@ -587,8 +589,8 @@ static reloc_howto_type elf_mips_howto_table[] = _bfd_mips_elf_hi16_reloc, /* special_function */ "R_MIPS_HI16", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* Low 16 bits of symbol value. */ @@ -602,8 +604,8 @@ static reloc_howto_type elf_mips_howto_table[] = _bfd_mips_elf_lo16_reloc, /* special_function */ "R_MIPS_LO16", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* GP relative reference. */ @@ -617,8 +619,8 @@ static reloc_howto_type elf_mips_howto_table[] = _bfd_mips_elf_gprel16_reloc, /* special_function */ "R_MIPS_GPREL16", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* Reference to literal section. */ @@ -632,8 +634,8 @@ static reloc_howto_type elf_mips_howto_table[] = _bfd_mips_elf_gprel16_reloc, /* special_function */ "R_MIPS_LITERAL", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* Reference to global offset table. */ @@ -646,9 +648,9 @@ static reloc_howto_type elf_mips_howto_table[] = complain_overflow_signed, /* complain_on_overflow */ _bfd_mips_elf_got16_reloc, /* special_function */ "R_MIPS_GOT16", /* name */ - false, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* 16 bit PC relative reference. */ @@ -662,8 +664,8 @@ static reloc_howto_type elf_mips_howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_MIPS_PC16", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ true), /* pcrel_offset */ /* 16 bit call through global offset table. */ @@ -676,9 +678,9 @@ static reloc_howto_type elf_mips_howto_table[] = complain_overflow_signed, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ "R_MIPS_CALL16", /* name */ - false, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* 32 bit GP relative reference. */ @@ -696,11 +698,11 @@ static reloc_howto_type elf_mips_howto_table[] = 0xffffffff, /* dst_mask */ false), /* pcrel_offset */ - /* The remaining relocs are defined on Irix 5, although they are - not defined by the ABI. */ - EMPTY_HOWTO (13), - EMPTY_HOWTO (14), - EMPTY_HOWTO (15), + /* The remaining relocs are defined on Irix 5, although they are + not defined by the ABI. */ + EMPTY_HOWTO (13), + EMPTY_HOWTO (14), + EMPTY_HOWTO (15), /* A 5 bit shift field. */ HOWTO (R_MIPS_SHIFT5, /* type */ @@ -855,8 +857,8 @@ static reloc_howto_type elf_mips_howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_MIPS_HIGHER", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* Get the highest value of a 64 bit addend. */ @@ -870,8 +872,8 @@ static reloc_howto_type elf_mips_howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_MIPS_HIGHEST", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ false), /* pcrel_offset */ /* High 16 bits of displacement in global offset table. */ @@ -928,8 +930,8 @@ static reloc_howto_type elf_mips_howto_table[] = relocation is required for correctness. */ HOWTO (R_MIPS_JALR, /* type */ 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ @@ -941,6 +943,535 @@ static reloc_howto_type elf_mips_howto_table[] = false), /* pcrel_offset */ }; +/* The relocation table used for SHT_RELA sections. */ + +static reloc_howto_type elf_mips_howto_table_rela[] = +{ + /* No relocation. */ + HOWTO (R_MIPS_NONE, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 0, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_NONE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* 16 bit relocation. */ + HOWTO (R_MIPS_16, /* 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_elf_generic_reloc, /* special_function */ + "R_MIPS_16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit relocation. */ + HOWTO (R_MIPS_32, /* 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_MIPS_32", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit symbol relative relocation. */ + HOWTO (R_MIPS_REL32, /* 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_MIPS_REL32", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 26 bit jump address. */ + HOWTO (R_MIPS_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 36 + bits must match the PC + 4. */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_26", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x03ffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for 64 bit REL. */ + /* High 16 bits of symbol value. */ + HOWTO (R_MIPS_HI16, /* 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_MIPS_HI16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of symbol value. */ + HOWTO (R_MIPS_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_elf_generic_reloc, /* special_function */ + "R_MIPS_LO16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* GP relative reference. */ + HOWTO (R_MIPS_GPREL16, /* 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_gprel16_reloc, /* special_function */ + "R_MIPS_GPREL16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Reference to literal section. */ + HOWTO (R_MIPS_LITERAL, /* 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_gprel16_reloc, /* special_function */ + "R_MIPS_LITERAL", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Reference to global offset table. */ + /* FIXME: This is not handled correctly. */ + HOWTO (R_MIPS_GOT16, /* 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_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 16 bit PC relative reference. */ + HOWTO (R_MIPS_PC16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + true, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_PC16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + true), /* pcrel_offset */ + + /* 16 bit call through global offset table. */ + /* FIXME: This is not handled correctly. */ + HOWTO (R_MIPS_CALL16, /* 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_elf_generic_reloc, /* special_function */ + "R_MIPS_CALL16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit GP relative reference. */ + HOWTO (R_MIPS_GPREL32, /* 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_mips_elf_gprel32_reloc, /* special_function */ + "R_MIPS_GPREL32", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + EMPTY_HOWTO (13), + EMPTY_HOWTO (14), + EMPTY_HOWTO (15), + + /* A 5 bit shift field. */ + HOWTO (R_MIPS_SHIFT5, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 5, /* bitsize */ + false, /* pc_relative */ + 6, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_SHIFT5", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x000007c0, /* dst_mask */ + false), /* pcrel_offset */ + + /* A 6 bit shift field. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_SHIFT6, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 6, /* bitsize */ + false, /* pc_relative */ + 6, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_SHIFT6", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x000007c4, /* dst_mask */ + false), /* pcrel_offset */ + + /* 64 bit relocation. */ + HOWTO (R_MIPS_64, /* 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_elf_generic_reloc, /* special_function */ + "R_MIPS_64", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + MINUS_ONE, /* dst_mask */ + false), /* pcrel_offset */ + + /* Displacement in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_DISP, /* 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_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_DISP", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Displacement to page pointer in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_PAGE, /* 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_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_PAGE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Offset from page pointer in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_OFST, /* 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_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_OFST", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* High 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_HI16, /* 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_MIPS_GOT_HI16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_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_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_LO16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 64 bit substraction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_SUB, /* 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_elf_generic_reloc, /* special_function */ + "R_MIPS_SUB", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + MINUS_ONE, /* dst_mask */ + false), /* pcrel_offset */ + + /* Insert the addend as an instruction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_INSERT_A, /* 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_MIPS_INSERT_A", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Insert the addend as an instruction, and change all relocations + to refer to the old instruction at the address. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_INSERT_B, /* 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_MIPS_INSERT_B", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Delete a 32 bit instruction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_DELETE, /* 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_MIPS_DELETE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Get the higher value of a 64 bit addend. */ + HOWTO (R_MIPS_HIGHER, /* 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_MIPS_HIGHER", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Get the highest value of a 64 bit addend. */ + HOWTO (R_MIPS_HIGHEST, /* 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_MIPS_HIGHEST", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* High 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_CALL_HI16, /* 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_MIPS_CALL_HI16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_CALL_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_elf_generic_reloc, /* special_function */ + "R_MIPS_CALL_LO16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Section displacement, used by an associated event location section. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_SCN_DISP, /* 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_MIPS_SCN_DISP", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_REL16, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_REL16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* These two are obsolete. */ + EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), + EMPTY_HOWTO (R_MIPS_PJUMP), + + /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. + It must be used for multigot GOT's (and only there). */ + HOWTO (R_MIPS_RELGOT, /* 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_MIPS_RELGOT", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Protected jump conversion. This is an optimization hint. No + relocation is required for correctness. */ + HOWTO (R_MIPS_JALR, /* 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_MIPS_JALR", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ +}; + /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This is a hack to make the linker think that we need 64 bit values. */ static reloc_howto_type elf_mips_ctor64_howto = @@ -1716,7 +2247,7 @@ mips32_64bit_reloc (abfd, reloc_entry, symbol, data, input_section, reloc32 = *reloc_entry; if (bfd_big_endian (abfd)) reloc32.address += 4; - reloc32.howto = &elf_mips_howto_table[R_MIPS_32]; + reloc32.howto = &elf_mips_howto_table_rel[R_MIPS_32]; r = bfd_perform_relocation (abfd, &reloc32, data, input_section, output_bfd, error_message); @@ -2009,7 +2540,7 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code) for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); i++) { if (mips_reloc_map[i].bfd_reloc_val == code) - return &elf_mips_howto_table[(int) mips_reloc_map[i].elf_reloc_val]; + return &elf_mips_howto_table_rel[(int) mips_reloc_map[i].elf_reloc_val]; } switch (code) @@ -2023,7 +2554,7 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code) Select the right relocation (R_MIPS_32 or R_MIPS_64) based on the size of addresses on this architecture. */ if (bfd_arch_bits_per_address (abfd) == 32) - return &elf_mips_howto_table[(int) R_MIPS_32]; + return &elf_mips_howto_table_rel[(int) R_MIPS_32]; else return &elf_mips_ctor64_howto; @@ -2086,7 +2617,7 @@ mips_rtype_to_howto (r_type) default: BFD_ASSERT (r_type < (unsigned int) R_MIPS_max); - return &elf_mips_howto_table[r_type]; + return &elf_mips_howto_table_rel[r_type]; break; } } @@ -2331,7 +2862,7 @@ boolean _bfd_mips_elf_object_p (abfd) bfd *abfd; { - /* Irix 5 and 6 is broken. Object file symbol tables are not always + /* Irix 5 and 6 are broken. Object file symbol tables are not always sorted correctly such that local symbols precede global symbols, and the sh_info field in the symbol table is not always right. */ if (SGI_COMPAT(abfd)) @@ -6822,7 +7353,7 @@ _bfd_mips_elf_relocate_section (output_bfd, info, input_bfd, input_section, space. Thus, when they use an R_MIPS_64 they mean what is usually meant by R_MIPS_32, with the exception that the stored value is sign-extended to 64 bits. */ - howto = elf_mips_howto_table + R_MIPS_32; + howto = elf_mips_howto_table_rel + R_MIPS_32; /* On big-endian systems, we need to lie about the position of the reloc. */ @@ -9569,10 +10100,6 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { _bfd_mips_elf_read_ecoff_info }; -#define TARGET_LITTLE_SYM bfd_elf32_littlemips_vec -#define TARGET_LITTLE_NAME "elf32-littlemips" -#define TARGET_BIG_SYM bfd_elf32_bigmips_vec -#define TARGET_BIG_NAME "elf32-bigmips" #define ELF_ARCH bfd_arch_mips #define ELF_MACHINE_CODE EM_MIPS @@ -9583,24 +10110,19 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define elf_backend_collect true #define elf_backend_type_change_ok true #define elf_backend_can_gc_sections true -#define elf_backend_sign_extend_vma true #define elf_info_to_howto mips_info_to_howto_rela #define elf_info_to_howto_rel mips_info_to_howto_rel #define elf_backend_sym_is_global mips_elf_sym_is_global #define elf_backend_object_p _bfd_mips_elf_object_p +#define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing +#define elf_backend_section_processing _bfd_mips_elf_section_processing #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr #define elf_backend_fake_sections _bfd_mips_elf_fake_sections #define elf_backend_section_from_bfd_section \ _bfd_mips_elf_section_from_bfd_section -#define elf_backend_section_processing _bfd_mips_elf_section_processing -#define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing -#define elf_backend_additional_program_headers \ - _bfd_mips_elf_additional_program_headers -#define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map -#define elf_backend_final_write_processing \ - _bfd_mips_elf_final_write_processing -#define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook +#define elf_backend_link_output_symbol_hook \ + _bfd_mips_elf_link_output_symbol_hook #define elf_backend_create_dynamic_sections \ _bfd_mips_elf_create_dynamic_sections #define elf_backend_check_relocs _bfd_mips_elf_check_relocs @@ -9611,24 +10133,30 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define elf_backend_size_dynamic_sections \ _bfd_mips_elf_size_dynamic_sections #define elf_backend_relocate_section _bfd_mips_elf_relocate_section -#define elf_backend_link_output_symbol_hook \ - _bfd_mips_elf_link_output_symbol_hook #define elf_backend_finish_dynamic_symbol \ _bfd_mips_elf_finish_dynamic_symbol #define elf_backend_finish_dynamic_sections \ _bfd_mips_elf_finish_dynamic_sections +#define elf_backend_final_write_processing \ + _bfd_mips_elf_final_write_processing +#define elf_backend_additional_program_headers \ + _bfd_mips_elf_additional_program_headers +#define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook - -#define elf_backend_got_header_size (4*MIPS_RESERVED_GOTNO) -#define elf_backend_plt_header_size 0 - #define elf_backend_copy_indirect_symbol \ _bfd_mips_elf_copy_indirect_symbol - #define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol #define elf_backend_grok_prstatus _bfd_elf32_mips_grok_prstatus #define elf_backend_grok_psinfo _bfd_elf32_mips_grok_psinfo +#define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap + +#define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) +#define elf_backend_plt_header_size 0 +#define elf_backend_may_use_rel_p 1 +#define elf_backend_may_use_rela_p 0 +#define elf_backend_default_use_rela_p 0 +#define elf_backend_sign_extend_vma true #define elf_backend_discard_info _bfd_elf32_mips_discard_info #define elf_backend_ignore_discarded_relocs \ @@ -9649,11 +10177,17 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags #define bfd_elf32_bfd_print_private_bfd_data \ _bfd_mips_elf_print_private_bfd_data -#include "elf32-target.h" -/* Support for traditional mips targets */ +/* Support for SGI-ish mips targets. */ +#define TARGET_LITTLE_SYM bfd_elf32_littlemips_vec +#define TARGET_LITTLE_NAME "elf32-littlemips" +#define TARGET_BIG_SYM bfd_elf32_bigmips_vec +#define TARGET_BIG_NAME "elf32-bigmips" + +#include "elf32-target.h" -#define INCLUDED_TARGET_FILE /* More a type of flag */ +/* Support for traditional mips targets. */ +#define INCLUDED_TARGET_FILE /* More a type of flag. */ #undef TARGET_LITTLE_SYM #undef TARGET_LITTLE_NAME |