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| author | Andrew Kaylor <andrew.kaylor@intel.com> | 2012-07-27 20:30:12 +0000 |
|---|---|---|
| committer | Andrew Kaylor <andrew.kaylor@intel.com> | 2012-07-27 20:30:12 +0000 |
| commit | d83a547d671a424294df2103c71801127e55db0f (patch) | |
| tree | a1588e9a5ed9ed196e78042eee91f2831362cec8 /lib/ExecutionEngine | |
| parent | 72e7dbf88be36b96aefd9fe8912f33ab8afb7352 (diff) | |
| download | llvm-d83a547d671a424294df2103c71801127e55db0f.tar.gz llvm-d83a547d671a424294df2103c71801127e55db0f.tar.bz2 llvm-d83a547d671a424294df2103c71801127e55db0f.tar.xz | |
Fixing problems with X86_64_32 relocations and making the assertions more readable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160889 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ExecutionEngine')
| -rw-r--r-- | lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp index 01f6f91ed3..75bb586ef2 100644 --- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp +++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp @@ -208,10 +208,9 @@ void RuntimeDyldELF::resolveX86_64Relocation(uint8_t *LocalAddress, case ELF::R_X86_64_32: case ELF::R_X86_64_32S: { Value += Addend; - // FIXME: Handle the possibility of this assertion failing - assert((Type == ELF::R_X86_64_32 && !(Value & 0xFFFFFFFF00000000ULL)) || - (Type == ELF::R_X86_64_32S && - (Value & 0xFFFFFFFF00000000ULL) == 0xFFFFFFFF00000000ULL)); + assert((Type == ELF::R_X86_64_32 && (Value <= UINT32_MAX)) || + (Type == ELF::R_X86_64_32S && + ((int64_t)Value <= INT32_MAX && (int64_t)Value >= INT32_MIN))); uint32_t TruncatedAddr = (Value & 0xFFFFFFFF); uint32_t *Target = reinterpret_cast<uint32_t*>(LocalAddress); *Target = TruncatedAddr; @@ -220,7 +219,7 @@ void RuntimeDyldELF::resolveX86_64Relocation(uint8_t *LocalAddress, case ELF::R_X86_64_PC32: { uint32_t *Placeholder = reinterpret_cast<uint32_t*>(LocalAddress); int64_t RealOffset = *Placeholder + Value + Addend - FinalAddress; - assert(RealOffset <= 214783647 && RealOffset >= -214783648); + assert(RealOffset <= INT32_MAX && RealOffset >= INT32_MIN); int32_t TruncOffset = (RealOffset & 0xFFFFFFFF); *Placeholder = TruncOffset; break; |