* elf32-mips.c (enum reloc_type): Define new relocs used on Irix.
(elf_mips_howto_table): Add entries for new relocs. (mips_elf_section_from_shdr): Handle SHT_MIPS_MSYM, SHT_MIPS_DWARF, and SHT_MIPS_EVENTS. (mips_elf_fake_sections): Handle sections named .msym, .debug_* and .MIPS.events.*.
This commit is contained in:
Ian Lance Taylor
parent
dbd9bcaa8b
commit
6a5848cd10
2 changed files with 211 additions and 0 deletions
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@ -1,3 +1,14 @@
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Tue Jan 17 10:52:32 1995 Ian Lance Taylor <ian@sanguine.cygnus.com>
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* elf32-mips.c (enum reloc_type): Define new relocs used on Irix.
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(elf_mips_howto_table): Add entries for new relocs.
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(mips_elf_section_from_shdr): Handle SHT_MIPS_MSYM,
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SHT_MIPS_DWARF, and SHT_MIPS_EVENTS.
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(mips_elf_fake_sections): Handle sections named .msym, .debug_*
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and .MIPS.events.*.
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* srec.c (srec_init): Remove unused local variable i.
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Sat Jan 14 19:09:48 1995 Steve Chamberlain <sac@jonny>
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* archures.c, Makefile.in, targets.c, bfd-in2.h, coffcode.h,
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200
bfd/elf32-mips.c
200
bfd/elf32-mips.c
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@ -112,6 +112,18 @@ enum reloc_type
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R_MIPS_GPREL16, R_MIPS_LITERAL,
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R_MIPS_GOT16, R_MIPS_PC16,
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R_MIPS_CALL16, R_MIPS_GPREL32,
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/* The remaining relocs are defined on Irix, although they are not
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in the MIPS ELF ABI. */
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R_MIPS_UNUSED1, R_MIPS_UNUSED2,
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R_MIPS_UNUSED3,
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R_MIPS_SHIFT5, R_MIPS_SHIFT6,
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R_MIPS_64, R_MIPS_GOT_DISP,
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R_MIPS_GOT_PAGE, R_MIPS_GOT_OFST,
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R_MIPS_GOT_HI16, R_MIPS_GOT_LO16,
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R_MIPS_SUB, R_MIPS_INSERT_A,
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R_MIPS_INSERT_B, R_MIPS_DELETE,
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R_MIPS_HIGHER, R_MIPS_HIGHEST,
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R_MIPS_CALL_HI16, R_MIPS_CALL_LO16,
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R_MIPS_max
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};
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@ -316,6 +328,172 @@ static reloc_howto_type elf_mips_howto_table[] =
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true, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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false), /* pcrel_offset */
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/* The remaining relocs are defined on Irix 5, although they are
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not defined by the ABI. */
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{ 13 },
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{ 14 },
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{ 15 },
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/* A 5 bit shift field. */
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HOWTO (R_MIPS_SHIFT5, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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5, /* bitsize */
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false, /* pc_relative */
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6, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_SHIFT5", /* name */
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true, /* partial_inplace */
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0x000007c0, /* src_mask */
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0x000007c0, /* dst_mask */
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false), /* pcrel_offset */
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/* A 6 bit shift field. */
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/* FIXME: This is not handled correctly; a special function is
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needed to put the most significant bit in the right place. */
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HOWTO (R_MIPS_SHIFT6, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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6, /* bitsize */
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false, /* pc_relative */
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6, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_SHIFT6", /* name */
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true, /* partial_inplace */
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0x000007c4, /* src_mask */
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0x000007c4, /* dst_mask */
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false), /* pcrel_offset */
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/* A 64 bit relocation. Presumably not used in 32 bit ELF. */
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{ R_MIPS_64 },
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/* Displacement in the global offset table. */
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/* FIXME: Not handled correctly. */
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HOWTO (R_MIPS_GOT_DISP, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_GOT_DISP", /* name */
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true, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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false), /* pcrel_offset */
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/* Displacement to page pointer in the global offset table. */
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/* FIXME: Not handled correctly. */
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HOWTO (R_MIPS_GOT_PAGE, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_GOT_PAGE", /* name */
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true, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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false), /* pcrel_offset */
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/* Offset from page pointer in the global offset table. */
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/* FIXME: Not handled correctly. */
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HOWTO (R_MIPS_GOT_OFST, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_GOT_OFST", /* name */
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true, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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false), /* pcrel_offset */
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/* High 16 bits of displacement in global offset table. */
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/* FIXME: Not handled correctly. */
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HOWTO (R_MIPS_GOT_HI16, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_GOT_HI16", /* name */
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true, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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false), /* pcrel_offset */
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/* Low 16 bits of displacement in global offset table. */
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/* FIXME: Not handled correctly. */
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HOWTO (R_MIPS_GOT_LO16, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_GOT_LO16", /* name */
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true, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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false), /* pcrel_offset */
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/* 64 bit subtraction. Presumably not used in 32 bit ELF. */
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{ R_MIPS_SUB },
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/* Used to cause the linker to insert and delete instructions? */
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{ R_MIPS_INSERT_A },
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{ R_MIPS_INSERT_B },
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{ R_MIPS_DELETE },
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/* Get the higher values of a 64 bit addend. Presumably not used in
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32 bit ELF. */
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{ R_MIPS_HIGHER },
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{ R_MIPS_HIGHEST },
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/* High 16 bits of displacement in global offset table. */
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/* FIXME: Not handled correctly. */
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HOWTO (R_MIPS_CALL_HI16, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_CALL_HI16", /* name */
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true, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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false), /* pcrel_offset */
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/* Low 16 bits of displacement in global offset table. */
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/* FIXME: Not handled correctly. */
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HOWTO (R_MIPS_CALL_LO16, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_MIPS_CALL_LO16", /* name */
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true, /* partial_inplace */
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0x0000ffff, /* src_mask */
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0x0000ffff, /* dst_mask */
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false) /* pcrel_offset */
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};
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@ -916,6 +1094,10 @@ mips_elf_section_from_shdr (abfd, hdr, name)
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if (strcmp (name, ".liblist") != 0)
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return false;
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break;
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case SHT_MIPS_MSYM:
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if (strcmp (name, ".msym") != 0)
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return false;
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break;
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case SHT_MIPS_CONFLICT:
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if (strcmp (name, ".conflict") != 0)
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return false;
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@ -941,6 +1123,14 @@ mips_elf_section_from_shdr (abfd, hdr, name)
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if (strcmp (name, ".options") != 0)
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return false;
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break;
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case SHT_MIPS_DWARF:
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if (strncmp (name, ".debug_", sizeof ".debug_" - 1) != 0)
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return false;
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break;
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case SHT_MIPS_EVENTS:
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if (strncmp (name, ".MIPS.events.", sizeof ".MIPS.events." - 1) != 0)
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return false;
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break;
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default:
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return false;
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}
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@ -996,6 +1186,12 @@ mips_elf_fake_sections (abfd, hdr, sec)
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hdr->sh_info = sec->_raw_size / sizeof (Elf32_Lib);
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/* FIXME: Set the sh_link field. */
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}
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else if (strcmp (name, ".msym") == 0)
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{
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hdr->sh_type = SHT_MIPS_MSYM;
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hdr->sh_entsize = 8;
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/* FIXME: Set the sh_info field. */
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}
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else if (strcmp (name, ".conflict") == 0)
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hdr->sh_type = SHT_MIPS_CONFLICT;
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else if (strncmp (name, ".gptab.", sizeof ".gptab." - 1) == 0)
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@ -1026,6 +1222,10 @@ mips_elf_fake_sections (abfd, hdr, sec)
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hdr->sh_type = SHT_MIPS_OPTIONS;
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hdr->sh_entsize = 1;
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}
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else if (strncmp (name, ".debug_", sizeof ".debug_" - 1) == 0)
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hdr->sh_type = SHT_MIPS_DWARF;
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else if (strncmp (name, ".MIPS.events.", sizeof ".MIPS.events." - 1) == 0)
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hdr->sh_type = SHT_MIPS_EVENTS;
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return true;
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}
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