MIPS16: Add R_MIPS16_PC16_S1 branch relocation support
For R_MIPS16_PC16_S1 the calculation is `(sign_extend(A) + S - P) >> 1' and the usual MIPS16 bit shuffling applies to relocated field handling, as per the encoding of the branch target in the extended form of the MIPS16 B, BEQZ, BNEZ, BTEQZ and BTNEZ instructions. include/ * elf/mips.h (R_MIPS16_PC16_S1): New relocation. bfd/ * elf32-mips.c (elf_mips16_howto_table_rel): Add R_MIPS16_PC16_S1. (mips16_reloc_map): Likewise. * elf64-mips.c (mips16_elf64_howto_table_rel): Likewise. (mips16_elf64_howto_table_rela): Likewise. (mips16_reloc_map): Likewise. * elfn32-mips.c (elf_mips16_howto_table_rel): Likewise. (elf_mips16_howto_table_rela): Likewise. (mips16_reloc_map): Likewise. * elfxx-mips.c (mips16_branch_reloc_p): New function. (mips16_reloc_p): Handle R_MIPS16_PC16_S1. (b_reloc_p): Likewise. (mips_elf_calculate_relocation): Likewise. (_bfd_mips_elf_check_relocs): Likewise. * reloc.c (BFD_RELOC_MIPS16_16_PCREL_S1): New relocation. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. gas/ * config/tc-mips.c (mips16_reloc_p): Handle BFD_RELOC_MIPS16_16_PCREL_S1. (b_reloc_p): Likewise. (limited_pcrel_reloc_p): Likewise. (md_pcrel_from): Likewise. (md_apply_fix): Likewise. (tc_gen_reloc): Likewise. (md_convert_frag): Likewise. (mips_fix_adjustable): Update comment. * testsuite/gas/mips/mips16-branch-reloc-2.d: Remove error output, add dump patterns. * testsuite/gas/mips/mips16-branch-reloc-3.d: Remove error output, add dump patterns. * testsuite/gas/mips/mips16-branch-addend-2.d: Remove error output, add dump patterns. * testsuite/gas/mips/mips16-branch-addend-3.d: Remove error output, add dump patterns. * testsuite/gas/mips/mips16-branch-absolute.d: Remove error output, add dump patterns. * testsuite/gas/mips/mips16-branch-reloc-2.l: Remove file. * testsuite/gas/mips/mips16-branch-reloc-3.l: Remove file. * testsuite/gas/mips/mips16-branch-addend-2.l: Remove file. * testsuite/gas/mips/mips16-branch-addend-3.l: Remove file. * testsuite/gas/mips/mips16-branch-absolute.l: Remove file. * testsuite/gas/mips/mips16-branch-addend-2.s: Add padding. * testsuite/gas/mips/branch-weak.s: Adjust alignment, avoid implicit instruction padding, avoid MIPS16 JR->JRC conversion. * testsuite/gas/mips/branch-weak-6.d: New test. * testsuite/gas/mips/branch-weak-7.d: New test. * testsuite/gas/mips/mips.exp: Run the new tests. ld/ * testsuite/ld-mips-elf/mips16-branch-2.d: New test. * testsuite/ld-mips-elf/mips16-branch-3.d: New test. * testsuite/ld-mips-elf/mips16-branch-addend-2.d: New test. * testsuite/ld-mips-elf/mips16-branch-addend-3.d: New test. * testsuite/ld-mips-elf/mips16-branch.s: New test source. * testsuite/ld-mips-elf/mips-elf.exp: Run the new tests.
This commit is contained in:
Maciej W. Rozycki
parent
bac13b9c13
commit
c9775dde32
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@ -1,3 +1,23 @@
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2016-06-28 Maciej W. Rozycki <macro@imgtec.com>
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* elf32-mips.c (elf_mips16_howto_table_rel): Add
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R_MIPS16_PC16_S1.
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(mips16_reloc_map): Likewise.
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* elf64-mips.c (mips16_elf64_howto_table_rel): Likewise.
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(mips16_elf64_howto_table_rela): Likewise.
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(mips16_reloc_map): Likewise.
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* elfn32-mips.c (elf_mips16_howto_table_rel): Likewise.
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(elf_mips16_howto_table_rela): Likewise.
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(mips16_reloc_map): Likewise.
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* elfxx-mips.c (mips16_branch_reloc_p): New function.
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(mips16_reloc_p): Handle R_MIPS16_PC16_S1.
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(b_reloc_p): Likewise.
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(mips_elf_calculate_relocation): Likewise.
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(_bfd_mips_elf_check_relocs): Likewise.
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* reloc.c (BFD_RELOC_MIPS16_16_PCREL_S1): New relocation.
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* bfd-in2.h: Regenerate.
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* libbfd.h: Regenerate.
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2016-06-27 Alan Modra <amodra@gmail.com>
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PR ld/19264
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@ -2998,6 +2998,9 @@ to compensate for the borrow when the low bits are added. */
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BFD_RELOC_MICROMIPS_10_PCREL_S1,
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BFD_RELOC_MICROMIPS_16_PCREL_S1,
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/* MIPS16 PC-relative relocation. */
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BFD_RELOC_MIPS16_16_PCREL_S1,
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/* MIPS PC-relative relocations. */
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BFD_RELOC_MIPS_21_PCREL_S2,
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BFD_RELOC_MIPS_26_PCREL_S2,
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@ -1027,6 +1027,21 @@ static reloc_howto_type elf_mips16_howto_table_rel[] =
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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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/* MIPS16 16-bit PC-relative branch offset. */
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HOWTO (R_MIPS16_PC16_S1, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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_bfd_mips_elf_generic_reloc, /* special_function */
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"R_MIPS16_PC16_S1", /* 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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TRUE), /* pcrel_offset */
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};
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static reloc_howto_type elf_micromips_howto_table_rel[] =
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@ -2023,7 +2038,8 @@ static const struct elf_reloc_map mips16_reloc_map[] =
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R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }
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{ BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min }
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};
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static const struct elf_reloc_map micromips_reloc_map[] =
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@ -1881,6 +1881,21 @@ static reloc_howto_type mips16_elf64_howto_table_rel[] =
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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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/* MIPS16 16-bit PC-relative branch offset. */
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HOWTO (R_MIPS16_PC16_S1, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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_bfd_mips_elf_generic_reloc, /* special_function */
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"R_MIPS16_PC16_S1", /* 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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TRUE), /* pcrel_offset */
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};
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static reloc_howto_type mips16_elf64_howto_table_rela[] =
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@ -2082,6 +2097,21 @@ static reloc_howto_type mips16_elf64_howto_table_rela[] =
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0, /* src_mask */
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0x0000ffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* MIPS16 16-bit PC-relative branch offset. */
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HOWTO (R_MIPS16_PC16_S1, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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_bfd_mips_elf_generic_reloc, /* special_function */
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"R_MIPS16_PC16_S1", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x0000ffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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};
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static reloc_howto_type micromips_elf64_howto_table_rel[] =
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@ -3415,7 +3445,8 @@ static const struct elf_reloc_map mips16_reloc_map[] =
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R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }
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{ BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min }
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};
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static const struct elf_reloc_map micromips_reloc_map[] =
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@ -1847,6 +1847,21 @@ static reloc_howto_type elf_mips16_howto_table_rel[] =
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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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/* MIPS16 16-bit PC-relative branch offset. */
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HOWTO (R_MIPS16_PC16_S1, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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_bfd_mips_elf_generic_reloc, /* special_function */
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"R_MIPS16_PC16_S1", /* 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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TRUE), /* pcrel_offset */
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};
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static reloc_howto_type elf_mips16_howto_table_rela[] =
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@ -2048,6 +2063,21 @@ static reloc_howto_type elf_mips16_howto_table_rela[] =
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0, /* src_mask */
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0x0000ffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* MIPS16 16-bit PC-relative branch offset. */
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HOWTO (R_MIPS16_PC16_S1, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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_bfd_mips_elf_generic_reloc, /* special_function */
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"R_MIPS16_PC16_S1", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x0000ffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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};
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static reloc_howto_type elf_micromips_howto_table_rel[] =
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@ -3231,7 +3261,8 @@ static const struct elf_reloc_map mips16_reloc_map[] =
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R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }
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{ BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min },
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{ BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min }
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};
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static const struct elf_reloc_map micromips_reloc_map[] =
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@ -2090,7 +2090,11 @@ mips_elf_check_symbols (struct mips_elf_link_hash_entry *h, void *data)
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All we need to do here is shuffle the bits appropriately.
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As above, the two 16-bit halves must be swapped on a
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little-endian system. */
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little-endian system.
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Finally R_MIPS16_PC16_S1 corresponds to R_MIPS_PC16, however the
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relocatable field is shifted by 1 rather than 2 and the same bit
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shuffling is done as with the relocations above. */
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static inline bfd_boolean
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mips16_reloc_p (int r_type)
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@ -2110,6 +2114,7 @@ mips16_reloc_p (int r_type)
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case R_MIPS16_TLS_GOTTPREL:
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case R_MIPS16_TLS_TPREL_HI16:
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case R_MIPS16_TLS_TPREL_LO16:
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case R_MIPS16_PC16_S1:
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return TRUE;
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default:
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@ -2221,7 +2226,8 @@ b_reloc_p (int r_type)
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return (r_type == R_MIPS_PC26_S2
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|| r_type == R_MIPS_PC21_S2
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|| r_type == R_MIPS_PC16
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|| r_type == R_MIPS_GNU_REL16_S2);
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|| r_type == R_MIPS_GNU_REL16_S2
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|| r_type == R_MIPS16_PC16_S1);
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}
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static inline bfd_boolean
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@ -2231,6 +2237,13 @@ aligned_pcrel_reloc_p (int r_type)
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|| r_type == R_MIPS_PC19_S2);
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}
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static inline bfd_boolean
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mips16_branch_reloc_p (int r_type)
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{
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return (r_type == R_MIPS16_26
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|| r_type == R_MIPS16_PC16_S1);
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}
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static inline bfd_boolean
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micromips_branch_reloc_p (int r_type)
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{
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@ -5562,7 +5575,7 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
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}
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/* Make sure MIPS16 and microMIPS are not used together. */
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if ((r_type == R_MIPS16_26 && target_is_micromips_code_p)
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if ((mips16_branch_reloc_p (r_type) && target_is_micromips_code_p)
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|| (micromips_branch_reloc_p (r_type) && target_is_16_bit_code_p))
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{
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(*_bfd_error_handler)
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@ -5994,6 +6007,21 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
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value &= howto->dst_mask;
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break;
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case R_MIPS16_PC16_S1:
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if (howto->partial_inplace)
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addend = _bfd_mips_elf_sign_extend (addend, 17);
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if ((was_local_p || h->root.root.type != bfd_link_hash_undefweak)
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&& ((symbol + addend) & 1) == 0)
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return bfd_reloc_outofrange;
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value = symbol + addend - p;
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if (was_local_p || h->root.root.type != bfd_link_hash_undefweak)
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overflowed_p = mips_elf_overflow_p (value, 17);
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value >>= howto->rightshift;
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value &= howto->dst_mask;
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break;
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case R_MIPS_PC21_S2:
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if (howto->partial_inplace)
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addend = _bfd_mips_elf_sign_extend (addend, 23);
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@ -8346,6 +8374,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
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case R_MIPS_PC21_S2:
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case R_MIPS_PC26_S2:
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case R_MIPS16_26:
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case R_MIPS16_PC16_S1:
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case R_MICROMIPS_26_S1:
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case R_MICROMIPS_PC7_S1:
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case R_MICROMIPS_PC10_S1:
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@ -1156,6 +1156,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
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"BFD_RELOC_MICROMIPS_7_PCREL_S1",
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"BFD_RELOC_MICROMIPS_10_PCREL_S1",
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"BFD_RELOC_MICROMIPS_16_PCREL_S1",
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"BFD_RELOC_MIPS16_16_PCREL_S1",
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"BFD_RELOC_MIPS_21_PCREL_S2",
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"BFD_RELOC_MIPS_26_PCREL_S2",
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"BFD_RELOC_MIPS_18_PCREL_S3",
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@ -2304,6 +2304,11 @@ ENUMX
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ENUMDOC
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microMIPS PC-relative relocations.
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ENUM
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BFD_RELOC_MIPS16_16_PCREL_S1
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ENUMDOC
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MIPS16 PC-relative relocation.
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ENUM
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BFD_RELOC_MIPS_21_PCREL_S2
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ENUMX
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@ -1,3 +1,36 @@
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2016-06-28 Maciej W. Rozycki <macro@imgtec.com>
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* config/tc-mips.c (mips16_reloc_p): Handle
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BFD_RELOC_MIPS16_16_PCREL_S1.
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(b_reloc_p): Likewise.
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(limited_pcrel_reloc_p): Likewise.
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(md_pcrel_from): Likewise.
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(md_apply_fix): Likewise.
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(tc_gen_reloc): Likewise.
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(md_convert_frag): Likewise.
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(mips_fix_adjustable): Update comment.
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* testsuite/gas/mips/mips16-branch-reloc-2.d: Remove error
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output, add dump patterns.
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* testsuite/gas/mips/mips16-branch-reloc-3.d: Remove error
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output, add dump patterns.
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* testsuite/gas/mips/mips16-branch-addend-2.d: Remove error
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output, add dump patterns.
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* testsuite/gas/mips/mips16-branch-addend-3.d: Remove error
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output, add dump patterns.
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* testsuite/gas/mips/mips16-branch-absolute.d: Remove error
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output, add dump patterns.
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* testsuite/gas/mips/mips16-branch-reloc-2.l: Remove file.
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* testsuite/gas/mips/mips16-branch-reloc-3.l: Remove file.
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* testsuite/gas/mips/mips16-branch-addend-2.l: Remove file.
|
||||
* testsuite/gas/mips/mips16-branch-addend-3.l: Remove file.
|
||||
* testsuite/gas/mips/mips16-branch-absolute.l: Remove file.
|
||||
* testsuite/gas/mips/mips16-branch-addend-2.s: Add padding.
|
||||
* testsuite/gas/mips/branch-weak.s: Adjust alignment, avoid
|
||||
implicit instruction padding, avoid MIPS16 JR->JRC conversion.
|
||||
* testsuite/gas/mips/branch-weak-6.d: New test.
|
||||
* testsuite/gas/mips/branch-weak-7.d: New test.
|
||||
* testsuite/gas/mips/mips.exp: Run the new tests.
|
||||
|
||||
2016-06-27 Vineet Gupta <vgupta@synopsys.com>
|
||||
|
||||
* config//tc-arc.c (tc_arc_frame_initial_instructions): Use
|
||||
|
|
|
|||
|
|
@ -4060,6 +4060,7 @@ mips16_reloc_p (bfd_reloc_code_real_type reloc)
|
|||
case BFD_RELOC_MIPS16_HI16_S:
|
||||
case BFD_RELOC_MIPS16_HI16:
|
||||
case BFD_RELOC_MIPS16_LO16:
|
||||
case BFD_RELOC_MIPS16_16_PCREL_S1:
|
||||
return TRUE;
|
||||
|
||||
default:
|
||||
|
|
@ -4114,6 +4115,7 @@ b_reloc_p (bfd_reloc_code_real_type reloc)
|
|||
return (reloc == BFD_RELOC_MIPS_26_PCREL_S2
|
||||
|| reloc == BFD_RELOC_MIPS_21_PCREL_S2
|
||||
|| reloc == BFD_RELOC_16_PCREL_S2
|
||||
|| reloc == BFD_RELOC_MIPS16_16_PCREL_S1
|
||||
|| reloc == BFD_RELOC_MICROMIPS_16_PCREL_S1
|
||||
|| reloc == BFD_RELOC_MICROMIPS_10_PCREL_S1
|
||||
|| reloc == BFD_RELOC_MICROMIPS_7_PCREL_S1);
|
||||
|
|
@ -4162,6 +4164,7 @@ limited_pcrel_reloc_p (bfd_reloc_code_real_type reloc)
|
|||
switch (reloc)
|
||||
{
|
||||
case BFD_RELOC_16_PCREL_S2:
|
||||
case BFD_RELOC_MIPS16_16_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_7_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_10_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_16_PCREL_S1:
|
||||
|
|
@ -14628,6 +14631,7 @@ md_pcrel_from (fixS *fixP)
|
|||
|
||||
case BFD_RELOC_MICROMIPS_16_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_JMP:
|
||||
case BFD_RELOC_MIPS16_16_PCREL_S1:
|
||||
case BFD_RELOC_16_PCREL_S2:
|
||||
case BFD_RELOC_MIPS_21_PCREL_S2:
|
||||
case BFD_RELOC_MIPS_26_PCREL_S2:
|
||||
|
|
@ -14852,6 +14856,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
|
|||
switch (fixP->fx_r_type)
|
||||
{
|
||||
case BFD_RELOC_16_PCREL_S2:
|
||||
case BFD_RELOC_MIPS16_16_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_7_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_10_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_16_PCREL_S1:
|
||||
|
|
@ -15184,6 +15189,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
|
|||
}
|
||||
break;
|
||||
|
||||
case BFD_RELOC_MIPS16_16_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_7_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_10_PCREL_S1:
|
||||
case BFD_RELOC_MICROMIPS_16_PCREL_S1:
|
||||
|
|
@ -17216,11 +17222,11 @@ mips_fix_adjustable (fixS *fixp)
|
|||
|
||||
5. We cannot reduce jump relocations (R_MIPS_26, R_MIPS16_26 or
|
||||
R_MICROMIPS_26_S1) or branch relocations (R_MIPS_PC26_S2,
|
||||
R_MIPS_PC21_S2, R_MIPS_PC16, R_MICROMIPS_PC16_S1,
|
||||
R_MICROMIPS_PC10_S1 or R_MICROMIPS_PC7_S1) against MIPS16 or
|
||||
microMIPS symbols because we need to keep the MIPS16 or
|
||||
microMIPS symbol for the purpose of mode mismatch detection
|
||||
and JAL to JALX instruction conversion in the linker.
|
||||
R_MIPS_PC21_S2, R_MIPS_PC16, R_MIPS16_PC16_S1,
|
||||
R_MICROMIPS_PC16_S1, R_MICROMIPS_PC10_S1 or R_MICROMIPS_PC7_S1)
|
||||
against MIPS16 or microMIPS symbols because we need to keep the
|
||||
MIPS16 or microMIPS symbol for the purpose of mode mismatch
|
||||
detection and JAL to JALX instruction conversion in the linker.
|
||||
|
||||
For simplicity, we deal with (3)-(4) by not reducing _any_ relocation
|
||||
against a MIPS16 symbol. We deal with (5) by additionally leaving
|
||||
|
|
@ -17263,6 +17269,7 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
|
|||
if (fixp->fx_pcrel)
|
||||
{
|
||||
gas_assert (fixp->fx_r_type == BFD_RELOC_16_PCREL_S2
|
||||
|| fixp->fx_r_type == BFD_RELOC_MIPS16_16_PCREL_S1
|
||||
|| fixp->fx_r_type == BFD_RELOC_MICROMIPS_7_PCREL_S1
|
||||
|| fixp->fx_r_type == BFD_RELOC_MICROMIPS_10_PCREL_S1
|
||||
|| fixp->fx_r_type == BFD_RELOC_MICROMIPS_16_PCREL_S1
|
||||
|
|
@ -17870,8 +17877,41 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT asec, fragS *fragp)
|
|||
|| (operand->root.type == OP_PCREL
|
||||
? asec != symsec
|
||||
: !bfd_is_abs_section (symsec)))
|
||||
as_bad_where (fragp->fr_file, fragp->fr_line,
|
||||
_("unsupported relocation"));
|
||||
{
|
||||
bfd_reloc_code_real_type reloc = BFD_RELOC_NONE;
|
||||
expressionS exp;
|
||||
fixS *fixp;
|
||||
|
||||
switch (type)
|
||||
{
|
||||
case 'p':
|
||||
case 'q':
|
||||
reloc = BFD_RELOC_MIPS16_16_PCREL_S1;
|
||||
break;
|
||||
default:
|
||||
as_bad_where (fragp->fr_file, fragp->fr_line,
|
||||
_("unsupported relocation"));
|
||||
break;
|
||||
}
|
||||
if (reloc != BFD_RELOC_NONE)
|
||||
{
|
||||
gas_assert (ext);
|
||||
|
||||
exp.X_op = O_symbol;
|
||||
exp.X_add_symbol = fragp->fr_symbol;
|
||||
exp.X_add_number = fragp->fr_offset;
|
||||
|
||||
fixp = fix_new_exp (fragp, buf - fragp->fr_literal, 2, &exp,
|
||||
TRUE, reloc);
|
||||
|
||||
fixp->fx_file = fragp->fr_file;
|
||||
fixp->fx_line = fragp->fr_line;
|
||||
|
||||
/* These relocations can have an addend that won't fit
|
||||
in 2 octets. */
|
||||
fixp->fx_no_overflow = 1;
|
||||
}
|
||||
}
|
||||
else
|
||||
mips16_immed (fragp->fr_file, fragp->fr_line, type,
|
||||
BFD_RELOC_UNUSED, val, user_length, &insn);
|
||||
|
|
|
|||
|
|
@ -0,0 +1,14 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 branch to a weak symbol
|
||||
#as: -32 -mips16 --defsym align=12
|
||||
#source: branch-weak.s
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
[0-9a-f]+ <[^>]*> f7ff 101e b 00000000 <foo>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> e820 jr ra
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 short branch to a weak symbol
|
||||
#as: -32 -mips16 --defsym align=4
|
||||
#source: branch-weak.s
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
[0-9a-f]+ <[^>]*> f7ff 101e b 00000000 <foo>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> e820 jr ra
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
.text
|
||||
.align 4, 0
|
||||
.align align, 0
|
||||
.globl foo
|
||||
.ent foo
|
||||
foo:
|
||||
|
|
@ -11,9 +11,9 @@ foo:
|
|||
.weak bar
|
||||
.ent bar
|
||||
bar:
|
||||
nop
|
||||
jr $ra
|
||||
.end bar
|
||||
|
||||
# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
|
||||
.align 4, 0
|
||||
.space 16
|
||||
.align align, 0
|
||||
|
|
|
|||
|
|
@ -588,6 +588,8 @@ if { [istarget mips*-*-vxworks*] } {
|
|||
run_dump_test "branch-weak-3"
|
||||
run_dump_test "branch-weak-4"
|
||||
run_dump_test "branch-weak-5"
|
||||
run_dump_test "branch-weak-6"
|
||||
run_dump_test "branch-weak-7"
|
||||
run_dump_test "branch-local-1"
|
||||
if $has_newabi {
|
||||
run_dump_test "branch-local-n32-1"
|
||||
|
|
|
|||
|
|
@ -1,3 +1,20 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 branch to absolute expression
|
||||
#as: -32
|
||||
#error-output: mips16-branch-absolute.l
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f000 1000 b 00001004 <foo\+0x4>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 \*ABS\*
|
||||
[0-9a-f]+ <[^>]*> f000 6000 bteqz 00001008 <foo\+0x8>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 \*ABS\*
|
||||
[0-9a-f]+ <[^>]*> f000 6100 btnez 0000100c <foo\+0xc>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 \*ABS\*
|
||||
[0-9a-f]+ <[^>]*> f000 2200 beqz v0,00001010 <foo\+0x10>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 \*ABS\*
|
||||
[0-9a-f]+ <[^>]*> f000 2a00 bnez v0,00001014 <foo\+0x14>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 \*ABS\*
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
|
|||
|
|
@ -1,6 +0,0 @@
|
|||
.*: Assembler messages:
|
||||
.*:8: Error: unsupported relocation
|
||||
.*:9: Error: unsupported relocation
|
||||
.*:10: Error: unsupported relocation
|
||||
.*:11: Error: unsupported relocation
|
||||
.*:12: Error: unsupported relocation
|
||||
|
|
@ -1,3 +1,22 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 branch relocation with addend 2
|
||||
#as: -32
|
||||
#error-output: mips16-branch-addend-2.l
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f101 1018 b 00002234 <bar\+0x1204>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f101 6018 bteqz 00002238 <bar\+0x1208>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f101 6118 btnez 0000223c <bar\+0x120c>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f101 2218 beqz v0,00002240 <bar\+0x1210>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f101 2a18 bnez v0,00002244 <bar\+0x1214>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
|
|||
|
|
@ -1,6 +0,0 @@
|
|||
.*: Assembler messages:
|
||||
.*:9: Error: unsupported relocation
|
||||
.*:10: Error: unsupported relocation
|
||||
.*:11: Error: unsupported relocation
|
||||
.*:12: Error: unsupported relocation
|
||||
.*:13: Error: unsupported relocation
|
||||
|
|
@ -26,6 +26,8 @@ bar:
|
|||
.set nomips16
|
||||
.end bar
|
||||
|
||||
.space 0x1000
|
||||
|
||||
# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
|
||||
.align 4, 0
|
||||
.space 16
|
||||
|
|
|
|||
|
|
@ -1,3 +1,20 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 branch relocation with addend 3
|
||||
#as: -32
|
||||
#error-output: mips16-branch-reloc-3.l
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f101 1018 b 00002234 <foo\+0x1234>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f101 6018 bteqz 00002238 <foo\+0x1238>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f101 6118 btnez 0000223c <foo\+0x123c>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f101 2218 beqz v0,00002240 <foo\+0x1240>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f101 2a18 bnez v0,00002244 <foo\+0x1244>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
|
|||
|
|
@ -1,6 +0,0 @@
|
|||
.*: Assembler messages:
|
||||
.*:8: Error: unsupported relocation
|
||||
.*:9: Error: unsupported relocation
|
||||
.*:10: Error: unsupported relocation
|
||||
.*:11: Error: unsupported relocation
|
||||
.*:12: Error: unsupported relocation
|
||||
|
|
@ -1,3 +1,22 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 branch relocation 2
|
||||
#as: -32
|
||||
#error-output: mips16-branch-reloc-2.l
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f7ff 101e b 00001000 <foo>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f7ff 601e bteqz 00001004 <foo\+0x4>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f7ff 611e btnez 00001008 <foo\+0x8>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f7ff 221e beqz v0,0000100c <foo\+0xc>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f7ff 2a1e bnez v0,00001010 <foo\+0x10>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
|
|||
|
|
@ -1,6 +0,0 @@
|
|||
.*: Assembler messages:
|
||||
.*:9: Error: unsupported relocation
|
||||
.*:10: Error: unsupported relocation
|
||||
.*:11: Error: unsupported relocation
|
||||
.*:12: Error: unsupported relocation
|
||||
.*:13: Error: unsupported relocation
|
||||
|
|
@ -1,3 +1,20 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 branch relocation 3
|
||||
#as: -32
|
||||
#error-output: mips16-branch-reloc-3.l
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f7ff 101e b 00001000 <foo>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f7ff 601e bteqz 00001004 <foo\+0x4>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f7ff 611e btnez 00001008 <foo\+0x8>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f7ff 221e beqz v0,0000100c <foo\+0xc>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> f7ff 2a1e bnez v0,00001010 <foo\+0x10>
|
||||
[ ]*[0-9a-f]+: R_MIPS16_PC16_S1 bar
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
|
|||
|
|
@ -1,6 +0,0 @@
|
|||
.*: Assembler messages:
|
||||
.*:8: Error: unsupported relocation
|
||||
.*:9: Error: unsupported relocation
|
||||
.*:10: Error: unsupported relocation
|
||||
.*:11: Error: unsupported relocation
|
||||
.*:12: Error: unsupported relocation
|
||||
|
|
@ -1,3 +1,7 @@
|
|||
2016-06-28 Maciej W. Rozycki <macro@imgtec.com>
|
||||
|
||||
* elf/mips.h (R_MIPS16_PC16_S1): New relocation.
|
||||
|
||||
2016-06-25 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
|
||||
|
||||
* elf/xtensa.h (xtensa_make_property_section): New prototype.
|
||||
|
|
|
|||
|
|
@ -114,7 +114,8 @@ START_RELOC_NUMBERS (elf_mips_reloc_type)
|
|||
RELOC_NUMBER (R_MIPS16_TLS_GOTTPREL, 110)
|
||||
RELOC_NUMBER (R_MIPS16_TLS_TPREL_HI16, 111)
|
||||
RELOC_NUMBER (R_MIPS16_TLS_TPREL_LO16, 112)
|
||||
FAKE_RELOC (R_MIPS16_max, 113)
|
||||
RELOC_NUMBER (R_MIPS16_PC16_S1, 113)
|
||||
FAKE_RELOC (R_MIPS16_max, 114)
|
||||
/* These relocations are specific to VxWorks. */
|
||||
RELOC_NUMBER (R_MIPS_COPY, 126)
|
||||
RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127)
|
||||
|
|
|
|||
|
|
@ -1,3 +1,12 @@
|
|||
2016-06-28 Maciej W. Rozycki <macro@imgtec.com>
|
||||
|
||||
* testsuite/ld-mips-elf/mips16-branch-2.d: New test.
|
||||
* testsuite/ld-mips-elf/mips16-branch-3.d: New test.
|
||||
* testsuite/ld-mips-elf/mips16-branch-addend-2.d: New test.
|
||||
* testsuite/ld-mips-elf/mips16-branch-addend-3.d: New test.
|
||||
* testsuite/ld-mips-elf/mips16-branch.s: New test source.
|
||||
* testsuite/ld-mips-elf/mips-elf.exp: Run the new tests.
|
||||
|
||||
2016-06-27 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
PR ld/20302
|
||||
|
|
|
|||
|
|
@ -143,6 +143,11 @@ run_dump_test "mips16-1"
|
|||
# MIPS branch offset final link checking.
|
||||
run_dump_test "branch-misc-1"
|
||||
|
||||
run_dump_test "mips16-branch-2" [list [list ld $abi_ldflags(o32)]]
|
||||
run_dump_test "mips16-branch-3" [list [list ld $abi_ldflags(o32)]]
|
||||
run_dump_test "mips16-branch-addend-2" [list [list ld $abi_ldflags(o32)]]
|
||||
run_dump_test "mips16-branch-addend-3" [list [list ld $abi_ldflags(o32)]]
|
||||
|
||||
# Jalx test
|
||||
run_dump_test "jalx-1"
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,19 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 link branch 2
|
||||
#source: ../../../gas/testsuite/gas/mips/mips16-branch-reloc-2.s
|
||||
#as: -EB -32
|
||||
#ld: -EB -Ttext 0x1c000000 -e bar
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f000 1016 b 1c001030 <bar>
|
||||
[0-9a-f]+ <[^>]*> f000 6014 bteqz 1c001030 <bar>
|
||||
[0-9a-f]+ <[^>]*> f000 6112 btnez 1c001030 <bar>
|
||||
[0-9a-f]+ <[^>]*> f000 2210 beqz v0,1c001030 <bar>
|
||||
[0-9a-f]+ <[^>]*> f000 2a0e bnez v0,1c001030 <bar>
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 link branch 3
|
||||
#source: mips16-branch.s
|
||||
#source: ../../../gas/testsuite/gas/mips/mips16-branch-reloc-3.s
|
||||
#as: -EB -32
|
||||
#ld: -EB -Ttext 0x1c000000 -e bar
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f7fe 100e b 1c001000 <bar>
|
||||
[0-9a-f]+ <[^>]*> f7fe 600c bteqz 1c001000 <bar>
|
||||
[0-9a-f]+ <[^>]*> f7fe 610a btnez 1c001000 <bar>
|
||||
[0-9a-f]+ <[^>]*> f7fe 2208 beqz v0,1c001000 <bar>
|
||||
[0-9a-f]+ <[^>]*> f7fe 2a06 bnez v0,1c001000 <bar>
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 link branch addend 2
|
||||
#source: ../../../gas/testsuite/gas/mips/mips16-branch-addend-2.s
|
||||
#as: -EB -32
|
||||
#ld: -EB -Ttext 0x1c000000 -e bar
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f121 1010 b 1c002264 <bar\+0x1234>
|
||||
[0-9a-f]+ <[^>]*> f121 600e bteqz 1c002264 <bar\+0x1234>
|
||||
[0-9a-f]+ <[^>]*> f121 610c btnez 1c002264 <bar\+0x1234>
|
||||
[0-9a-f]+ <[^>]*> f121 220a beqz v0,1c002264 <bar\+0x1234>
|
||||
[0-9a-f]+ <[^>]*> f121 2a08 bnez v0,1c002264 <bar\+0x1234>
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
#objdump: -dr --prefix-addresses --show-raw-insn
|
||||
#name: MIPS16 link branch addend 3
|
||||
#source: mips16-branch.s
|
||||
#source: ../../../gas/testsuite/gas/mips/mips16-branch-addend-3.s
|
||||
#as: -EB -32
|
||||
#ld: -EB -Ttext 0x1c000000 -e bar
|
||||
|
||||
.*: +file format .*mips.*
|
||||
|
||||
Disassembly of section \.text:
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
[0-9a-f]+ <[^>]*> f100 1008 b 1c002234 <foo\+0x214>
|
||||
[0-9a-f]+ <[^>]*> f100 6006 bteqz 1c002234 <foo\+0x214>
|
||||
[0-9a-f]+ <[^>]*> f100 6104 btnez 1c002234 <foo\+0x214>
|
||||
[0-9a-f]+ <[^>]*> f100 2202 beqz v0,1c002234 <foo\+0x214>
|
||||
[0-9a-f]+ <[^>]*> f100 2a00 bnez v0,1c002234 <foo\+0x214>
|
||||
[0-9a-f]+ <[^>]*> 6500 nop
|
||||
\.\.\.
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
.text
|
||||
.globl bar
|
||||
|
||||
.space 0x1000
|
||||
|
||||
.ent bar
|
||||
.set mips16
|
||||
bar:
|
||||
nop
|
||||
.set nomips16
|
||||
.end bar
|
||||
|
||||
# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
|
||||
.align 4, 0
|
||||
.space 16
|
||||
Loading…
Reference in New Issue