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-rw-r--r--contrib/llvm/lib/Object/ELFObjectFile.cpp53
1 files changed, 15 insertions, 38 deletions
diff --git a/contrib/llvm/lib/Object/ELFObjectFile.cpp b/contrib/llvm/lib/Object/ELFObjectFile.cpp
index 8ccb253..c7df30a 100644
--- a/contrib/llvm/lib/Object/ELFObjectFile.cpp
+++ b/contrib/llvm/lib/Object/ELFObjectFile.cpp
@@ -27,51 +27,28 @@ ObjectFile::createELFObjectFile(MemoryBufferRef Obj) {
std::size_t MaxAlignment =
1ULL << countTrailingZeros(uintptr_t(Obj.getBufferStart()));
+ if (MaxAlignment < 2)
+ return object_error::parse_failed;
+
std::error_code EC;
std::unique_ptr<ObjectFile> R;
- if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2LSB)
-#if !LLVM_IS_UNALIGNED_ACCESS_FAST
- if (MaxAlignment >= 4)
- R.reset(new ELFObjectFile<ELFType<support::little, 4, false>>(Obj, EC));
- else
-#endif
- if (MaxAlignment >= 2)
- R.reset(new ELFObjectFile<ELFType<support::little, 2, false>>(Obj, EC));
- else
- return object_error::parse_failed;
- else if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2MSB)
-#if !LLVM_IS_UNALIGNED_ACCESS_FAST
- if (MaxAlignment >= 4)
- R.reset(new ELFObjectFile<ELFType<support::big, 4, false>>(Obj, EC));
- else
-#endif
- if (MaxAlignment >= 2)
- R.reset(new ELFObjectFile<ELFType<support::big, 2, false>>(Obj, EC));
+ if (Ident.first == ELF::ELFCLASS32) {
+ if (Ident.second == ELF::ELFDATA2LSB)
+ R.reset(new ELFObjectFile<ELFType<support::little, false>>(Obj, EC));
+ else if (Ident.second == ELF::ELFDATA2MSB)
+ R.reset(new ELFObjectFile<ELFType<support::big, false>>(Obj, EC));
else
return object_error::parse_failed;
- else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2MSB)
-#if !LLVM_IS_UNALIGNED_ACCESS_FAST
- if (MaxAlignment >= 8)
- R.reset(new ELFObjectFile<ELFType<support::big, 8, true>>(Obj, EC));
- else
-#endif
- if (MaxAlignment >= 2)
- R.reset(new ELFObjectFile<ELFType<support::big, 2, true>>(Obj, EC));
- else
- return object_error::parse_failed;
- else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2LSB) {
-#if !LLVM_IS_UNALIGNED_ACCESS_FAST
- if (MaxAlignment >= 8)
- R.reset(new ELFObjectFile<ELFType<support::little, 8, true>>(Obj, EC));
- else
-#endif
- if (MaxAlignment >= 2)
- R.reset(new ELFObjectFile<ELFType<support::little, 2, true>>(Obj, EC));
+ } else if (Ident.first == ELF::ELFCLASS64) {
+ if (Ident.second == ELF::ELFDATA2LSB)
+ R.reset(new ELFObjectFile<ELFType<support::little, true>>(Obj, EC));
+ else if (Ident.second == ELF::ELFDATA2MSB)
+ R.reset(new ELFObjectFile<ELFType<support::big, true>>(Obj, EC));
else
return object_error::parse_failed;
+ } else {
+ return object_error::parse_failed;
}
- else
- llvm_unreachable("Buffer is not an ELF object file!");
if (EC)
return EC;
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