diff options
Diffstat (limited to 'binutils-2.25/bfd/elfxx-aarch64.c')
| -rw-r--r-- | binutils-2.25/bfd/elfxx-aarch64.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/binutils-2.25/bfd/elfxx-aarch64.c b/binutils-2.25/bfd/elfxx-aarch64.c index c10f6c72..035fb0c7 100644 --- a/binutils-2.25/bfd/elfxx-aarch64.c +++ b/binutils-2.25/bfd/elfxx-aarch64.c @@ -25,6 +25,26 @@ #define MASK(n) ((1u << (n)) - 1) +/* Sign-extend VALUE, which has the indicated number of BITS. */ + +bfd_signed_vma +_bfd_aarch64_sign_extend (bfd_vma value, int bits) +{ + if (value & ((bfd_vma) 1 << (bits - 1))) + /* VALUE is negative. */ + value |= ((bfd_vma) - 1) << bits; + + return value; +} + +/* Decode the IMM field of ADRP. */ + +uint32_t +_bfd_aarch64_decode_adrp_imm (uint32_t insn) +{ + return (((insn >> 5) & MASK (19)) << 2) | ((insn >> 29) & MASK (2)); +} + /* Reencode the imm field of add immediate. */ static inline uint32_t reencode_add_imm (uint32_t insn, uint32_t imm) @@ -32,9 +52,10 @@ reencode_add_imm (uint32_t insn, uint32_t imm) return (insn & ~(MASK (12) << 10)) | ((imm & MASK (12)) << 10); } -/* Reencode the imm field of adr. */ -static inline uint32_t -reencode_adr_imm (uint32_t insn, uint32_t imm) +/* Reencode the IMM field of ADR. */ + +uint32_t +_bfd_aarch64_reencode_adr_imm (uint32_t insn, uint32_t imm) { return (insn & ~((MASK (2) << 29) | (MASK (19) << 5))) | ((imm & MASK (2)) << 29) | ((imm & (MASK (19) << 2)) << 3); @@ -214,7 +235,7 @@ _bfd_aarch64_elf_put_addend (bfd *abfd, case BFD_RELOC_AARCH64_ADR_LO21_PCREL: case BFD_RELOC_AARCH64_ADR_HI21_PCREL: case BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL: - contents = reencode_adr_imm (contents, addend); + contents = _bfd_aarch64_reencode_adr_imm (contents, addend); break; case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC: |