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| author |   Nick Clifton <nickc@redhat.com> | 2004-06-25 16:11:09 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2004-06-25 16:11:09 +0000 |
| commit | 097f809a197dcb5f2c1b878c0604be5c185c4db8 (patch) | |
| tree | 3531995e73afe46e124efafd42dfcf3ff11c86d4 /bfd/elf32-m32r.c | |
| parent | * gdb.base/attach.exp (do_attach_tests): Don't forget to kill second (diff) | |
| download | binutils-gdb-097f809a197dcb5f2c1b878c0604be5c185c4db8.tar.gz binutils-gdb-097f809a197dcb5f2c1b878c0604be5c185c4db8.tar.bz2 binutils-gdb-097f809a197dcb5f2c1b878c0604be5c185c4db8.zip | |
Add support for M32R GOT relocs
Diffstat (limited to 'bfd/elf32-m32r.c')
| -rw-r--r-- | bfd/elf32-m32r.c | 88 |
1 files changed, 83 insertions, 5 deletions
diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c index 14aec619ef3..c6bc2bee843 100644 --- a/bfd/elf32-m32r.c +++ b/bfd/elf32-m32r.c @@ -669,7 +669,7 @@ static reloc_howto_type m32r_elf_howto_table[] = 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ - "R_M32R_RELATIVE", /* name */ + "R_M32R_RELATIVE", /* name */ FALSE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ @@ -678,15 +678,15 @@ static reloc_howto_type m32r_elf_howto_table[] = HOWTO (R_M32R_GOTOFF, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ + 24, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ bfd_elf_generic_reloc, /* special_function */ - "R_M32R_GOTOFF", /* name */ + "R_M32R_GOTOFF", /* name */ FALSE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ + 0xffffff, /* src_mask */ + 0xffffff, /* dst_mask */ FALSE), /* pcrel_offset */ /* An PC Relative 24-bit relocation used when setting PIC offset @@ -803,6 +803,48 @@ static reloc_howto_type m32r_elf_howto_table[] = 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ TRUE), /* pcrel_offset */ + + HOWTO (R_M32R_GOTOFF_HI_ULO, /* 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_elf_generic_reloc, /* special_function */ + "R_M32R_GOTOFF_HI_ULO",/* name */ + FALSE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + HOWTO (R_M32R_GOTOFF_HI_SLO, /* 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_elf_generic_reloc, /* special_function */ + "R_M32R_GOTOFF_HI_SLO",/* name */ + FALSE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + HOWTO (R_M32R_GOTOFF_LO, /* 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_M32R_GOTOFF_LO", /* name */ + FALSE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; /* Handle the R_M32R_10_PCREL reloc. */ @@ -1269,6 +1311,9 @@ static const struct m32r_reloc_map m32r_reloc_map[] = { BFD_RELOC_M32R_GOTPC_HI_ULO, R_M32R_GOTPC_HI_ULO }, { BFD_RELOC_M32R_GOTPC_HI_SLO, R_M32R_GOTPC_HI_SLO }, { BFD_RELOC_M32R_GOTPC_LO, R_M32R_GOTPC_LO }, + { BFD_RELOC_M32R_GOTOFF_HI_ULO, R_M32R_GOTOFF_HI_ULO }, + { BFD_RELOC_M32R_GOTOFF_HI_SLO, R_M32R_GOTOFF_HI_SLO }, + { BFD_RELOC_M32R_GOTOFF_LO, R_M32R_GOTOFF_LO }, }; static reloc_howto_type * @@ -2796,6 +2841,31 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section, switch ((int) r_type) { + case R_M32R_GOTOFF: + /* Relocation is relative to the start of the global offset + table (for ld24 rx, #uimm24). eg access at label+addend + + ld24 rx. #label@GOTOFF + addend + sub rx, r12. */ + + BFD_ASSERT (sgot != NULL); + + relocation = -(relocation - sgot->output_section->vma); + rel->r_addend = -rel->r_addend; + break; + + case R_M32R_GOTOFF_HI_ULO: + case R_M32R_GOTOFF_HI_SLO: + case R_M32R_GOTOFF_LO: + BFD_ASSERT (sgot != NULL); + + relocation -= sgot->output_section->vma; + + if ((r_type == R_M32R_GOTOFF_HI_SLO) + && ((relocation + rel->r_addend) & 0x8000)) + rel->r_addend += 0x10000; + break; + case R_M32R_GOTPC24: /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation ld24 rx,#_GLOBAL_OFFSET_TABLE_ @@ -4306,6 +4376,10 @@ m32r_elf_gc_sweep_hook (abfd, info, sec, relocs) case R_M32R_GOT16_HI_ULO: case R_M32R_GOT16_HI_SLO: case R_M32R_GOT16_LO: + case R_M32R_GOTOFF: + case R_M32R_GOTOFF_HI_ULO: + case R_M32R_GOTOFF_HI_SLO: + case R_M32R_GOTOFF_LO: case R_M32R_GOT24: case R_M32R_GOTPC_HI_ULO: case R_M32R_GOTPC_HI_SLO: @@ -4435,6 +4509,10 @@ m32r_elf_check_relocs (abfd, info, sec, relocs) { case R_M32R_GOT16_HI_ULO: case R_M32R_GOT16_HI_SLO: + case R_M32R_GOTOFF: + case R_M32R_GOTOFF_HI_ULO: + case R_M32R_GOTOFF_HI_SLO: + case R_M32R_GOTOFF_LO: case R_M32R_GOT16_LO: case R_M32R_GOTPC24: case R_M32R_GOTPC_HI_ULO: |