diff options
Diffstat (limited to 'lld/lib/ReaderWriter/ELF/Mips/MipsRelocationHandler.cpp')
| -rw-r--r-- | lld/lib/ReaderWriter/ELF/Mips/MipsRelocationHandler.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lld/lib/ReaderWriter/ELF/Mips/MipsRelocationHandler.cpp b/lld/lib/ReaderWriter/ELF/Mips/MipsRelocationHandler.cpp index 28ffe1b60cf..358aae1e41a 100644 --- a/lld/lib/ReaderWriter/ELF/Mips/MipsRelocationHandler.cpp +++ b/lld/lib/ReaderWriter/ELF/Mips/MipsRelocationHandler.cpp @@ -65,6 +65,8 @@ static MipsRelocationParams getRelocationParams(uint32_t rType) { case R_MIPS_26: case LLD_R_MIPS_GLOBAL_26: return {4, 0x3ffffff, 2, false}; + case R_MIPS_PC21_S2: + return {4, 0x1fffff, 2, false}; case R_MIPS_HI16: case R_MIPS_LO16: case R_MIPS_GPREL16: @@ -219,6 +221,14 @@ static uint32_t relocGPRel32(uint64_t S, int64_t A, uint64_t GP) { return result; } +/// \brief R_MIPS_PC21_S2 +static uint32_t relocPc21(uint64_t P, uint64_t S, int64_t A) { + A = llvm::SignExtend32<23>(A); + // FIXME (simon): Check that S + A has 4-byte alignment + int32_t result = S + A - P; + return result >> 2; +} + /// \brief R_MICROMIPS_PC7_S1 static uint32_t relocPc7(uint64_t P, uint64_t S, int64_t A) { A = llvm::SignExtend32<8>(A); @@ -351,6 +361,8 @@ static ErrorOr<uint64_t> calculateRelocation(const Reference &ref, return relocGOT(tgtAddr, gpAddr); case R_MIPS_GOT_OFST: return relocGOTOfst(tgtAddr, ref.addend()); + case R_MIPS_PC21_S2: + return relocPc21(relAddr, tgtAddr, ref.addend()); case R_MICROMIPS_PC7_S1: return relocPc7(relAddr, tgtAddr, ref.addend()); case R_MICROMIPS_PC10_S1: |
