-//===- MipsJITInfo.cpp - Implement the JIT interfaces for the Mips target -===//
+//===-- MipsJITInfo.cpp - Implement the Mips JIT Interface ----------------===//
//
// The LLVM Compiler Infrastructure
//
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;
*((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.");
+ }
}
}
}