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Runtime dynamic linker for MCJIT should support MIPS BigEndian architecture.

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This small change adds support for that. It will make all MCJIT tests pass
in make-check on BigEndian platforms.

Patch by Petar Jovanovic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169178 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2012-12-03 23:12:19 +00:00
parent ff0b2cfa3b
commit ade047463f
3 changed files with 4 additions and 3 deletions
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2
lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
View File

@ -347,7 +347,7 @@ uint8_t *RuntimeDyldImpl::createStubFunction(uint8_t *Addr) {
uint32_t *StubAddr = (uint32_t*)Addr;
*StubAddr = 0xe51ff004; // ldr pc,<label>
return (uint8_t*)++StubAddr;
} else if (Arch == Triple::mipsel) {
} else if (Arch == Triple::mipsel or Arch == Triple::mips) {
uint32_t *StubAddr = (uint32_t*)Addr;
// 0: 3c190000 lui t9,%hi(addr).
// 4: 27390000 addiu t9,t9,%lo(addr).

3
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
View File

@ -677,7 +677,8 @@ void RuntimeDyldELF::processRelocationRef(const ObjRelocationInfo &Rel,
RelType, 0);
Section.StubOffset += getMaxStubSize();
}
} else if (Arch == Triple::mipsel && RelType == ELF::R_MIPS_26) {
} else if ((Arch == Triple::mipsel || Arch == Triple::mips) &&
RelType == ELF::R_MIPS_26) {
// This is an Mips branch relocation, need to use a stub function.
DEBUG(dbgs() << "\t\tThis is a Mips branch relocation.");
SectionEntry &Section = Sections[Rel.SectionID];

2
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h
View File

@ -168,7 +168,7 @@ protected:
inline unsigned getMaxStubSize() {
if (Arch == Triple::arm || Arch == Triple::thumb)
return 8; // 32-bit instruction and 32-bit address
else if (Arch == Triple::mipsel)
else if (Arch == Triple::mipsel or Arch == Triple::mips)
return 16;
else if (Arch == Triple::ppc64)
return 44;