diff options
Diffstat (limited to 'lib/Target/Mips/MipsJITInfo.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsJITInfo.cpp | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/lib/Target/Mips/MipsJITInfo.cpp b/lib/Target/Mips/MipsJITInfo.cpp index e3f6a75..76ca3e1 100644 --- a/lib/Target/Mips/MipsJITInfo.cpp +++ b/lib/Target/Mips/MipsJITInfo.cpp @@ -1,4 +1,4 @@ -//===- MipsJITInfo.cpp - Implement the JIT interfaces for the Mips target -===// +//===-- MipsJITInfo.cpp - Implement the Mips JIT Interface ----------------===// // // The LLVM Compiler Infrastructure // @@ -200,7 +200,7 @@ void MipsJITInfo::relocate(void *Function, MachineRelocation *MR, intptr_t ResultPtr = (intptr_t) MR->getResultPointer(); switch ((Mips::RelocationType) MR->getRelocationType()) { - case Mips::reloc_mips_branch: + case Mips::reloc_mips_pc16: ResultPtr = (((ResultPtr - (intptr_t) RelocPos) - 4) >> 2) & 0xffff; *((unsigned*) RelocPos) |= (unsigned) ResultPtr; break; @@ -218,13 +218,16 @@ void MipsJITInfo::relocate(void *Function, MachineRelocation *MR, *((unsigned*) RelocPos) |= (unsigned) ResultPtr; break; - case Mips::reloc_mips_lo: - ResultPtr = ResultPtr & 0xffff; + case Mips::reloc_mips_lo: { + // Addend is needed for unaligned load/store instructions, where offset + // for the second load/store in the expanded instruction sequence must + // be modified by +1 or +3. Otherwise, Addend is 0. + int Addend = *((unsigned*) RelocPos) & 0xffff; + ResultPtr = (ResultPtr + Addend) & 0xffff; + *((unsigned*) RelocPos) &= 0xffff0000; *((unsigned*) RelocPos) |= (unsigned) ResultPtr; break; - - default: - llvm_unreachable("ERROR: Unknown Mips relocation."); + } } } } |
