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[LLVM][MIPS] Fix createStubFunction to emit JR encoding based on Arch. 

Reviewers: vkalintiris, dsanders

Subscribers: jaydeep, bhushan, mohit.bhakkad, slthakur, llvm-commits

Differential Revision: https://reviews.llvm.org/D21172

llvm-svn: 275559
This commit is contained in:
Nitesh Jain 2016-07-15 12:56:37 +00:00
parent 05efec8b84
commit 7481e40ef8
2 changed files with 9 additions and 2 deletions
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5
llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
View File

@ -816,7 +816,10 @@ uint8_t *RuntimeDyldImpl::createStubFunction(uint8_t *Addr,
// 8: 03200008 jr t9.
// c: 00000000 nop.
const unsigned LuiT9Instr = 0x3c190000, AdduiT9Instr = 0x27390000;
const unsigned JrT9Instr = 0x03200008, NopInstr = 0x0;
const unsigned NopInstr = 0x0;
unsigned JrT9Instr = 0x03200008;
if ((AbiVariant & ELF::EF_MIPS_ARCH) == ELF::EF_MIPS_ARCH_32R6)
JrT9Instr = 0x03200009;
writeBytesUnaligned(LuiT9Instr, Addr, 4);
writeBytesUnaligned(AdduiT9Instr, Addr+4, 4);

6
llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
View File

@ -1402,8 +1402,12 @@ RuntimeDyldELF::processRelocationRef(
// Create a new stub function.
DEBUG(dbgs() << " Create a new stub function\n");
Stubs[Value] = Section.getStubOffset();
unsigned AbiVariant;
O.getPlatformFlags(AbiVariant);
uint8_t *StubTargetAddr = createStubFunction(
Section.getAddressWithOffset(Section.getStubOffset()));
Section.getAddressWithOffset(Section.getStubOffset()), AbiVariant);
// Creating Hi and Lo relocations for the filled stub instructions.
RelocationEntry REHi(SectionID, StubTargetAddr - Section.getAddress(),