X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Felf32-mips.c;h=8c1a68eba0104315aeeb871a6233e3aef04c89fd;hb=1c5c938ad860811644774ecea66e044110967cf2;hp=526c222f5433f9924983d3603371e673aa6f9de2;hpb=33bb52fb4e77c96f77dee32dea89fa32869ce015;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c index 526c222f54..8c1a68eba0 100644 --- a/bfd/elf32-mips.c +++ b/bfd/elf32-mips.c @@ -1,6 +1,5 @@ /* MIPS-specific support for 32-bit ELF - Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, - 2003, 2004, 2005, 2007 Free Software Foundation, Inc. + Copyright (C) 1993-2017 Free Software Foundation, Inc. Most of the information added by Ian Lance Taylor, Cygnus Support, . @@ -83,8 +82,8 @@ static bfd_boolean elf32_mips_grok_psinfo static irix_compat_t elf32_mips_irix_compat (bfd *); -extern const bfd_target bfd_elf32_bigmips_vec; -extern const bfd_target bfd_elf32_littlemips_vec; +extern const bfd_target mips_elf32_be_vec; +extern const bfd_target mips_elf32_le_vec; /* Nonzero if ABFD is using the N32 ABI. */ #define ABI_N32_P(abfd) \ @@ -108,7 +107,7 @@ static reloc_howto_type elf_mips_howto_table_rel[] = /* No relocation. */ HOWTO (R_MIPS_NONE, /* type */ 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ + 3, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ @@ -717,6 +716,99 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0x0, /* src_mask */ 0xffffffff, /* dst_mask */ FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (52), + EMPTY_HOWTO (53), + EMPTY_HOWTO (54), + EMPTY_HOWTO (55), + EMPTY_HOWTO (56), + EMPTY_HOWTO (57), + EMPTY_HOWTO (58), + EMPTY_HOWTO (59), + + HOWTO (R_MIPS_PC21_S2, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 21, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PC21_S2", /* name */ + TRUE, /* partial_inplace */ + 0x001fffff, /* src_mask */ + 0x001fffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PC26_S2, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 26, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PC26_S2", /* name */ + TRUE, /* partial_inplace */ + 0x03ffffff, /* src_mask */ + 0x03ffffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PC18_S3, /* type */ + 3, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 18, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PC18_S3", /* name */ + TRUE, /* partial_inplace */ + 0x0003ffff, /* src_mask */ + 0x0003ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PC19_S2, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 19, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PC19_S2", /* name */ + TRUE, /* partial_inplace */ + 0x0007ffff, /* src_mask */ + 0x0007ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PCHI16, /* type */ + 16, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PCHI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PCLO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PCLO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ }; /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This @@ -724,112 +816,734 @@ static reloc_howto_type elf_mips_howto_table_rel[] = static reloc_howto_type elf_mips_ctor64_howto = HOWTO (R_MIPS_64, /* type */ 0, /* rightshift */ - 4, /* size (0 = byte, 1 = short, 2 = long) */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + mips32_64bit_reloc, /* special_function */ + "R_MIPS_64", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE); /* pcrel_offset */ + +static reloc_howto_type elf_mips16_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) */ + 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. */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS16_26", /* name */ + TRUE, /* 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 */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A MIPS16 reference to the global offset table. */ + HOWTO (R_MIPS16_GOT16, /* 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_got16_reloc, /* special_function */ + "R_MIPS16_GOT16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A MIPS16 call through the global offset table. */ + HOWTO (R_MIPS16_CALL16, /* 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_generic_reloc, /* special_function */ + "R_MIPS16_CALL16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* 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 */ + + /* MIPS16 TLS general dynamic variable reference. */ + HOWTO (R_MIPS16_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_MIPS16_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 TLS local dynamic variable reference. */ + HOWTO (R_MIPS16_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_MIPS16_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 TLS local dynamic offset. */ + HOWTO (R_MIPS16_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_MIPS16_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 TLS local dynamic offset. */ + HOWTO (R_MIPS16_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_MIPS16_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 TLS thread pointer offset. */ + HOWTO (R_MIPS16_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_MIPS16_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 TLS thread pointer offset. */ + HOWTO (R_MIPS16_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_MIPS16_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 TLS thread pointer offset. */ + HOWTO (R_MIPS16_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_MIPS16_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 16-bit PC-relative branch offset. */ + HOWTO (R_MIPS16_PC16_S1, /* type */ + 1, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS16_PC16_S1", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ +}; + +static reloc_howto_type elf_micromips_howto_table_rel[] = +{ + EMPTY_HOWTO (130), + EMPTY_HOWTO (131), + EMPTY_HOWTO (132), + + /* 26 bit jump address. */ + HOWTO (R_MICROMIPS_26_S1, /* type */ + 1, /* 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. */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_26_S1", /* name */ + TRUE, /* partial_inplace */ + 0x3ffffff, /* src_mask */ + 0x3ffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* High 16 bits of symbol value. */ + HOWTO (R_MICROMIPS_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_MICROMIPS_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Low 16 bits of symbol value. */ + HOWTO (R_MICROMIPS_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_MICROMIPS_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* GP relative reference. */ + HOWTO (R_MICROMIPS_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_elf32_gprel16_reloc, /* special_function */ + "R_MICROMIPS_GPREL16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Reference to literal section. */ + HOWTO (R_MICROMIPS_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_elf32_gprel16_reloc, /* special_function */ + "R_MICROMIPS_LITERAL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Reference to global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_got16_reloc, /* special_function */ + "R_MICROMIPS_GOT16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* This is for microMIPS branches. */ + HOWTO (R_MICROMIPS_PC7_S1, /* type */ + 1, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 7, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_PC7_S1", /* name */ + TRUE, /* partial_inplace */ + 0x0000007f, /* src_mask */ + 0x0000007f, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MICROMIPS_PC10_S1, /* type */ + 1, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 10, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_PC10_S1", /* name */ + TRUE, /* partial_inplace */ + 0x000003ff, /* src_mask */ + 0x000003ff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MICROMIPS_PC16_S1, /* type */ + 1, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_PC16_S1", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + /* 16 bit call through global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_CALL16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (143), + EMPTY_HOWTO (144), + + /* Displacement in the global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_GOT_DISP",/* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Displacement to page pointer in the global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_GOT_PAGE",/* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Offset from page pointer in the global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_GOT_OFST",/* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* High 16 bits of displacement in global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_GOT_HI16",/* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Low 16 bits of displacement in global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_GOT_LO16",/* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* 64 bit subtraction. Used in the N32 ABI. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_SUB", /* name */ + TRUE, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Get the higher value of a 64 bit addend. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_HIGHER", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Get the highest value of a 64 bit addend. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_HIGHEST", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* High 16 bits of displacement in global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_CALL_HI16",/* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Low 16 bits of displacement in global offset table. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_CALL_LO16",/* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Section displacement. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_SCN_DISP",/* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Protected jump conversion. This is an optimization hint. No + relocation is required for correctness. */ + HOWTO (R_MICROMIPS_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_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_JALR", /* name */ + FALSE, /* partial_inplace */ + 0x00000000, /* src_mask */ + 0x00000000, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Low 16 bits of symbol value. Note that the high 16 bits of symbol values + must be zero. This is used for relaxation. */ + HOWTO (R_MICROMIPS_HI0_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_generic_reloc, /* special_function */ + "R_MICROMIPS_HI0_LO16",/* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (158), + EMPTY_HOWTO (159), + EMPTY_HOWTO (160), + EMPTY_HOWTO (161), + + /* TLS general dynamic variable reference. */ + HOWTO (R_MICROMIPS_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 */ - mips32_64bit_reloc, /* special_function */ - "R_MIPS_64", /* name */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_TLS_GD", /* name */ TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE); /* pcrel_offset */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ -static reloc_howto_type elf_mips16_howto_table_rel[] = -{ - /* The reloc used for the mips16 jump instruction. */ - HOWTO (R_MIPS16_26, /* type */ - 2, /* rightshift */ + /* TLS local dynamic variable reference. */ + HOWTO (R_MICROMIPS_TLS_LDM, /* type */ + 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ + 16, /* 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. */ + complain_overflow_signed, /* complain_on_overflow */ _bfd_mips_elf_generic_reloc, /* special_function */ - "R_MIPS16_26", /* name */ + "R_MICROMIPS_TLS_LDM", /* name */ TRUE, /* partial_inplace */ - 0x3ffffff, /* src_mask */ - 0x3ffffff, /* dst_mask */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ FALSE), /* pcrel_offset */ - /* The reloc used for the mips16 gprel instruction. */ - HOWTO (R_MIPS16_GPREL, /* type */ + /* TLS local dynamic offset. */ + HOWTO (R_MICROMIPS_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 */ - mips16_gprel_reloc, /* special_function */ - "R_MIPS16_GPREL", /* name */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_TLS_DTPREL_HI16", /* name */ TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ - 0x0000ffff, /* dst_mask */ + 0x0000ffff, /* dst_mask */ FALSE), /* pcrel_offset */ - /* A MIPS16 reference to the global offset table. */ - HOWTO (R_MIPS16_GOT16, /* type */ + /* TLS local dynamic offset. */ + HOWTO (R_MICROMIPS_TLS_DTPREL_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_got16_reloc, /* special_function */ - "R_MIPS16_GOT16", /* name */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_TLS_DTPREL_LO16", /* name */ TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ - 0x0000ffff, /* dst_mask */ + 0x0000ffff, /* dst_mask */ FALSE), /* pcrel_offset */ - /* A MIPS16 call through the global offset table. */ - HOWTO (R_MIPS16_CALL16, /* type */ + /* TLS thread pointer offset. */ + HOWTO (R_MICROMIPS_TLS_GOTTPREL, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ + complain_overflow_signed, /* complain_on_overflow */ _bfd_mips_elf_generic_reloc, /* special_function */ - "R_MIPS16_CALL16", /* name */ + "R_MICROMIPS_TLS_GOTTPREL", /* name */ TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ - 0x0000ffff, /* dst_mask */ + 0x0000ffff, /* dst_mask */ FALSE), /* pcrel_offset */ - /* MIPS16 high 16 bits of symbol value. */ - HOWTO (R_MIPS16_HI16, /* type */ - 16, /* rightshift */ + EMPTY_HOWTO (167), + EMPTY_HOWTO (168), + + /* TLS thread pointer offset. */ + HOWTO (R_MICROMIPS_TLS_TPREL_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_mips_elf_hi16_reloc, /* special_function */ - "R_MIPS16_HI16", /* name */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_TLS_TPREL_HI16", /* name */ TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ - 0x0000ffff, /* dst_mask */ + 0x0000ffff, /* dst_mask */ FALSE), /* pcrel_offset */ - /* MIPS16 low 16 bits of symbol value. */ - HOWTO (R_MIPS16_LO16, /* type */ + /* TLS thread pointer offset. */ + HOWTO (R_MICROMIPS_TLS_TPREL_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 */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_TLS_TPREL_LO16", /* name */ TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ - 0x0000ffff, /* dst_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (171), + + /* GP- and PC-relative relocations. */ + HOWTO (R_MICROMIPS_GPREL7_S2, /* type */ + 2, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 7, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf32_gprel16_reloc, /* special_function */ + "R_MICROMIPS_GPREL7_S2", /* name */ + TRUE, /* partial_inplace */ + 0x0000007f, /* src_mask */ + 0x0000007f, /* dst_mask */ FALSE), /* pcrel_offset */ + + HOWTO (R_MICROMIPS_PC23_S2, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 23, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MICROMIPS_PC23_S2", /* name */ + TRUE, /* partial_inplace */ + 0x007fffff, /* src_mask */ + 0x007fffff, /* dst_mask */ + TRUE), /* pcrel_offset */ }; /* 16 bit offset for pc-relative branches. */ @@ -849,9 +1563,9 @@ static reloc_howto_type elf_mips_gnu_rel16_s2 = TRUE); /* pcrel_offset */ /* 32 bit pc-relative. This was a GNU extension used by embedded-PIC. - It was co-opted by mips-linux for exception-handling data. It is no - longer used, but should continue to be supported by the linker for - backward compatibility. (GCC stopped using it in May, 2004.) */ + It was co-opted by mips-linux for exception-handling data. GCC stopped + using it in May, 2004, then started using it again for compact unwind + tables. */ static reloc_howto_type elf_mips_gnu_pcrel32 = HOWTO (R_MIPS_PC32, /* type */ 0, /* rightshift */ @@ -899,6 +1613,54 @@ static reloc_howto_type elf_mips_gnu_vtentry_howto = 0, /* dst_mask */ FALSE); /* pcrel_offset */ +/* Originally a VxWorks extension, but now used for other systems too. */ +static reloc_howto_type elf_mips_copy_howto = + HOWTO (R_MIPS_COPY, /* type */ + 0, /* rightshift */ + 0, /* this one is variable size */ + 0, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_COPY", /* name */ + FALSE, /* partial_inplace */ + 0x0, /* src_mask */ + 0x0, /* dst_mask */ + FALSE); /* pcrel_offset */ + +/* Originally a VxWorks extension, but now used for other systems too. */ +static reloc_howto_type elf_mips_jump_slot_howto = + HOWTO (R_MIPS_JUMP_SLOT, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_JUMP_SLOT", /* name */ + FALSE, /* partial_inplace */ + 0x0, /* src_mask */ + 0x0, /* dst_mask */ + FALSE); /* pcrel_offset */ + +/* Used in EH tables. */ +static reloc_howto_type elf_mips_eh_howto = + HOWTO (R_MIPS_EH, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_EH", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE); /* pcrel_offset */ + /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a dangerous relocation. */ @@ -973,7 +1735,7 @@ mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, if (relocatable) { /* Make up a value. */ - *pgp = symbol->section->output_section->vma + 0x4000; + *pgp = symbol->section->output_section->vma /*+ 0x4000*/; _bfd_set_gp_value (output_bfd, *pgp); } else if (!mips_elf_assign_gp (output_bfd, pgp)) @@ -1001,10 +1763,12 @@ _bfd_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry, { bfd_boolean relocatable; bfd_reloc_status_type ret; + bfd_byte *location; bfd_vma gp; - /* R_MIPS_LITERAL relocations are defined for local symbols only. */ - if (reloc_entry->howto->type == R_MIPS_LITERAL + /* R_MIPS_LITERAL/R_MICROMIPS_LITERAL relocations are defined for local + symbols only. */ + if (literal_reloc_p (reloc_entry->howto->type) && output_bfd != NULL && (symbol->flags & BSF_SECTION_SYM) == 0 && (symbol->flags & BSF_LOCAL) != 0) @@ -1027,9 +1791,16 @@ _bfd_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry, if (ret != bfd_reloc_ok) return ret; - return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, - input_section, relocatable, - data, gp); + location = (bfd_byte *) data + reloc_entry->address; + _bfd_mips_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_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, + location); + + return ret; } /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must @@ -1187,13 +1958,13 @@ mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, return ret; location = (bfd_byte *) data + reloc_entry->address; - _bfd_mips16_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, - location); + _bfd_mips_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); + _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, + location); return ret; } @@ -1229,6 +2000,7 @@ static const struct elf_reloc_map mips_reloc_map[] = { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, + { 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 }, @@ -1241,7 +2013,13 @@ static const struct elf_reloc_map mips_reloc_map[] = { 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 } + { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, + { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, + { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, + { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, + { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, + { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, + { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } }; static const struct elf_reloc_map mips16_reloc_map[] = @@ -1252,6 +2030,57 @@ static const struct elf_reloc_map mips16_reloc_map[] = { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, + { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, + { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, + R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, + R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, + { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min } +}; + +static const struct elf_reloc_map micromips_reloc_map[] = +{ + { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, + /* There is no BFD reloc for R_MICROMIPS_HI0_LO16. */ + { BFD_RELOC_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_GD - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_TLS_LDM, R_MICROMIPS_TLS_LDM - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_TLS_DTPREL_HI16, + R_MICROMIPS_TLS_DTPREL_HI16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_TLS_DTPREL_LO16, + R_MICROMIPS_TLS_DTPREL_LO16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_TLS_GOTTPREL, + R_MICROMIPS_TLS_GOTTPREL - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_TLS_TPREL_HI16, + R_MICROMIPS_TLS_TPREL_HI16 - R_MICROMIPS_min }, + { BFD_RELOC_MICROMIPS_TLS_TPREL_LO16, + R_MICROMIPS_TLS_TPREL_LO16 - R_MICROMIPS_min }, + /* There is no BFD reloc for R_MICROMIPS_GPREL7_S2. */ + /* There is no BFD reloc for R_MICROMIPS_PC23_S2. */ }; /* Given a BFD reloc type, return a howto structure. */ @@ -1262,6 +2091,7 @@ bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) unsigned int i; reloc_howto_type *howto_table = elf_mips_howto_table_rel; reloc_howto_type *howto16_table = elf_mips16_howto_table_rel; + reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rel; for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); i++) @@ -1277,6 +2107,13 @@ bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) return &howto16_table[(int) mips16_reloc_map[i].elf_val]; } + for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); + i++) + { + if (micromips_reloc_map[i].bfd_val == code) + return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; + } + switch (code) { default: @@ -1299,6 +2136,12 @@ bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) return &elf_mips_gnu_vtentry_howto; case BFD_RELOC_32_PCREL: return &elf_mips_gnu_pcrel32; + case BFD_RELOC_MIPS_COPY: + return &elf_mips_copy_howto; + case BFD_RELOC_MIPS_JUMP_SLOT: + return &elf_mips_jump_slot_howto; + case BFD_RELOC_MIPS_EH: + return &elf_mips_eh_howto; } } @@ -1324,6 +2167,14 @@ bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, && strcasecmp (elf_mips16_howto_table_rel[i].name, r_name) == 0) return &elf_mips16_howto_table_rel[i]; + for (i = 0; + i < (sizeof (elf_micromips_howto_table_rel) + / sizeof (elf_micromips_howto_table_rel[0])); + i++) + if (elf_micromips_howto_table_rel[i].name != NULL + && strcasecmp (elf_micromips_howto_table_rel[i].name, r_name) == 0) + return &elf_micromips_howto_table_rel[i]; + if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) return &elf_mips_gnu_pcrel32; if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) @@ -1332,6 +2183,12 @@ bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, return &elf_mips_gnu_vtinherit_howto; if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) return &elf_mips_gnu_vtentry_howto; + if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) + return &elf_mips_copy_howto; + if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) + return &elf_mips_jump_slot_howto; + if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) + return &elf_mips_eh_howto; return NULL; } @@ -1352,10 +2209,23 @@ mips_elf32_rtype_to_howto (unsigned int r_type, return &elf_mips_gnu_rel16_s2; case R_MIPS_PC32: return &elf_mips_gnu_pcrel32; + case R_MIPS_COPY: + return &elf_mips_copy_howto; + case R_MIPS_JUMP_SLOT: + return &elf_mips_jump_slot_howto; + case R_MIPS_EH: + return &elf_mips_eh_howto; default: + if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) + return &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min]; if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; - BFD_ASSERT (r_type < (unsigned int) R_MIPS_max); + if (r_type >= (unsigned int) R_MIPS_max) + { + _bfd_error_handler (_("Unrecognised MIPS reloc number: %d"), r_type); + bfd_set_error (bfd_error_bad_value); + r_type = R_MIPS_NONE; + } return &elf_mips_howto_table_rel[r_type]; } } @@ -1377,8 +2247,7 @@ mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) when we do the relocation, because the symbol manipulations done by the linker may cause us to lose track of the input BFD. */ if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 - && (r_type == (unsigned int) R_MIPS_GPREL16 - || r_type == (unsigned int) R_MIPS_LITERAL)) + && (gprel16_reloc_p (r_type) || literal_reloc_p (r_type))) cache_ptr->addend = elf_gp (abfd); } @@ -1405,7 +2274,7 @@ mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) if (SGI_COMPAT (abfd)) return (sym->flags & BSF_SECTION_SYM) == 0; else - return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0 + return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 || bfd_is_und_section (bfd_get_section (sym)) || bfd_is_com_section (bfd_get_section (sym))); } @@ -1417,18 +2286,17 @@ mips_elf32_object_p (bfd *abfd) { unsigned long mach; + if (ABI_N32_P (abfd)) + return FALSE; + /* 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)) elf_bad_symtab (abfd) = TRUE; - if (ABI_N32_P (abfd)) - return FALSE; - mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); - return TRUE; } @@ -1459,10 +2327,10 @@ elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) case 256: /* Linux/MIPS */ /* pr_cursig */ - elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); + elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); /* pr_pid */ - elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); + elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); /* pr_reg */ offset = 72; @@ -1485,9 +2353,9 @@ elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) return FALSE; case 128: /* Linux/MIPS elf_prpsinfo */ - elf_tdata (abfd)->core_program + elf_tdata (abfd)->core->program = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); - elf_tdata (abfd)->core_command + elf_tdata (abfd)->core->command = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); } @@ -1496,7 +2364,7 @@ elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) implementations, so strip it off if it exists. */ { - char *command = elf_tdata (abfd)->core_command; + char *command = elf_tdata (abfd)->core->command; int n = strlen (command); if (0 < n && command[n - 1] == ' ') @@ -1511,8 +2379,8 @@ elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) static irix_compat_t elf32_mips_irix_compat (bfd *abfd) { - if ((abfd->xvec == &bfd_elf32_bigmips_vec) - || (abfd->xvec == &bfd_elf32_littlemips_vec)) + if ((abfd->xvec == &mips_elf32_be_vec) + || (abfd->xvec == &mips_elf32_le_vec)) return ict_irix5; else return ict_none; @@ -1561,11 +2429,14 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { }; #define ELF_ARCH bfd_arch_mips +#define ELF_TARGET_ID MIPS_ELF_DATA #define ELF_MACHINE_CODE EM_MIPS #define elf_backend_collect TRUE #define elf_backend_type_change_ok TRUE #define elf_backend_can_gc_sections TRUE +#define elf_backend_gc_mark_extra_sections \ + _bfd_mips_elf_gc_mark_extra_sections #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 @@ -1611,10 +2482,12 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) +#define elf_backend_want_dynrelro 1 #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_plt_readonly 1 #define elf_backend_discard_info _bfd_mips_elf_discard_info #define elf_backend_ignore_discarded_relocs \ @@ -1622,8 +2495,13 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define elf_backend_write_section _bfd_mips_elf_write_section #define elf_backend_mips_irix_compat elf32_mips_irix_compat #define elf_backend_mips_rtype_to_howto mips_elf32_rtype_to_howto +#define elf_backend_sort_relocs_p _bfd_mips_elf_sort_relocs_p + #define bfd_elf32_bfd_is_local_label_name \ mips_elf_is_local_label_name +#define bfd_elf32_bfd_is_target_special_symbol \ + _bfd_mips_elf_is_target_special_symbol +#define bfd_elf32_get_synthetic_symtab _bfd_mips_elf_get_synthetic_symtab #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook @@ -1638,11 +2516,13 @@ 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 +#define bfd_elf32_bfd_relax_section _bfd_mips_elf_relax_section +#define bfd_elf32_mkobject _bfd_mips_elf_mkobject /* Support for SGI-ish mips targets. */ -#define TARGET_LITTLE_SYM bfd_elf32_littlemips_vec +#define TARGET_LITTLE_SYM mips_elf32_le_vec #define TARGET_LITTLE_NAME "elf32-littlemips" -#define TARGET_BIG_SYM bfd_elf32_bigmips_vec +#define TARGET_BIG_SYM mips_elf32_be_vec #define TARGET_BIG_NAME "elf32-bigmips" /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses @@ -1661,9 +2541,9 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #undef ELF_MAXPAGESIZE #undef ELF_COMMONPAGESIZE -#define TARGET_LITTLE_SYM bfd_elf32_tradlittlemips_vec +#define TARGET_LITTLE_SYM mips_elf32_trad_le_vec #define TARGET_LITTLE_NAME "elf32-tradlittlemips" -#define TARGET_BIG_SYM bfd_elf32_tradbigmips_vec +#define TARGET_BIG_SYM mips_elf32_trad_be_vec #define TARGET_BIG_NAME "elf32-tradbigmips" /* The MIPS ABI says at Page 5-1: @@ -1678,82 +2558,25 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { /* Include the target file again for this target. */ #include "elf32-target.h" +/* FreeBSD support. */ -/* Specific to VxWorks. */ -static reloc_howto_type mips_vxworks_copy_howto_rela = - HOWTO (R_MIPS_COPY, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_MIPS_COPY", /* name */ - FALSE, /* partial_inplace */ - 0x0, /* src_mask */ - 0x0, /* dst_mask */ - FALSE); /* pcrel_offset */ - -/* Specific to VxWorks. */ -static reloc_howto_type mips_vxworks_jump_slot_howto_rela = - HOWTO (R_MIPS_JUMP_SLOT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_MIPS_JUMP_SLOT", /* name */ - FALSE, /* partial_inplace */ - 0x0, /* src_mask */ - 0x0, /* dst_mask */ - FALSE); /* pcrel_offset */ - -/* Implement elf_backend_bfd_reloc_type_lookup for VxWorks. */ - -static reloc_howto_type * -mips_vxworks_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) -{ - switch (code) - { - case BFD_RELOC_MIPS_COPY: - return &mips_vxworks_copy_howto_rela; - case BFD_RELOC_MIPS_JUMP_SLOT: - return &mips_vxworks_jump_slot_howto_rela; - default: - return bfd_elf32_bfd_reloc_type_lookup (abfd, code); - } -} - -static reloc_howto_type * -mips_vxworks_bfd_reloc_name_lookup (bfd *abfd, const char *r_name) -{ - if (strcasecmp (mips_vxworks_copy_howto_rela.name, r_name) == 0) - return &mips_vxworks_copy_howto_rela; - if (strcasecmp (mips_vxworks_jump_slot_howto_rela.name, r_name) == 0) - return &mips_vxworks_jump_slot_howto_rela; +#undef TARGET_LITTLE_SYM +#undef TARGET_LITTLE_NAME +#undef TARGET_BIG_SYM +#undef TARGET_BIG_NAME - return bfd_elf32_bfd_reloc_name_lookup (abfd, r_name); -} +#define TARGET_LITTLE_SYM mips_elf32_tradfbsd_le_vec +#define TARGET_LITTLE_NAME "elf32-tradlittlemips-freebsd" +#define TARGET_BIG_SYM mips_elf32_tradfbsd_be_vec +#define TARGET_BIG_NAME "elf32-tradbigmips-freebsd" -/* Implement elf_backend_mips_rtype_to_lookup for VxWorks. */ +#undef ELF_OSABI +#define ELF_OSABI ELFOSABI_FREEBSD -static reloc_howto_type * -mips_vxworks_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p) -{ - switch (r_type) - { - case R_MIPS_COPY: - return &mips_vxworks_copy_howto_rela; - case R_MIPS_JUMP_SLOT: - return &mips_vxworks_jump_slot_howto_rela; - default: - return mips_elf32_rtype_to_howto (r_type, rela_p); - } -} +#undef elf32_bed +#define elf32_bed elf32_fbsd_tradbed +#include "elf32-target.h" /* Implement elf_backend_final_write_processing for VxWorks. */ static void @@ -1771,10 +2594,11 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) #undef ELF_MAXPAGESIZE #undef ELF_COMMONPAGESIZE -#define TARGET_LITTLE_SYM bfd_elf32_littlemips_vxworks_vec +#define TARGET_LITTLE_SYM mips_elf32_vxworks_le_vec #define TARGET_LITTLE_NAME "elf32-littlemips-vxworks" -#define TARGET_BIG_SYM bfd_elf32_bigmips_vxworks_vec +#define TARGET_BIG_SYM mips_elf32_vxworks_be_vec #define TARGET_BIG_NAME "elf32-bigmips-vxworks" +#undef ELF_OSABI #undef elf32_bed #define elf32_bed elf32_mips_vxworks_bed @@ -1786,10 +2610,6 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) #define elf_backend_want_got_plt 1 #undef elf_backend_want_plt_sym #define elf_backend_want_plt_sym 1 -#undef elf_backend_got_symbol_offset -#define elf_backend_got_symbol_offset 0 -#undef elf_backend_want_dynbss -#define elf_backend_want_dynbss 1 #undef elf_backend_may_use_rel_p #define elf_backend_may_use_rel_p 0 #undef elf_backend_may_use_rela_p @@ -1798,21 +2618,9 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) #define elf_backend_default_use_rela_p 1 #undef elf_backend_got_header_size #define elf_backend_got_header_size (4 * 3) -#undef elf_backend_plt_readonly -#define elf_backend_plt_readonly 1 - -#undef bfd_elf32_bfd_reloc_type_lookup -#define bfd_elf32_bfd_reloc_type_lookup \ - mips_vxworks_bfd_reloc_type_lookup -#undef bfd_elf32_bfd_reloc_name_lookup -#define bfd_elf32_bfd_reloc_name_lookup \ - mips_vxworks_bfd_reloc_name_lookup -#undef elf_backend_mips_rtype_to_howto -#define elf_backend_mips_rtype_to_howto \ - mips_vxworks_rtype_to_howto -#undef elf_backend_adjust_dynamic_symbol -#define elf_backend_adjust_dynamic_symbol \ - _bfd_mips_vxworks_adjust_dynamic_symbol +#undef elf_backend_dtrel_excludes_plt +#define elf_backend_dtrel_excludes_plt 1 + #undef elf_backend_finish_dynamic_symbol #define elf_backend_finish_dynamic_symbol \ _bfd_mips_vxworks_finish_dynamic_symbol @@ -1837,4 +2645,6 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) #undef elf_backend_symbol_processing /* NOTE: elf_backend_rela_normal is not defined for MIPS. */ +#undef bfd_elf32_get_synthetic_symtab + #include "elf32-target.h"