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Add support for ARM and AArch64 big endian objects to

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RelocVisitor.

Patch by Charlie Turner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219109 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2014-10-06 07:02:58 +00:00
parent 7d0a297dbd
commit 8e59427e3a
3 changed files with 43 additions and 4 deletions
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17
include/llvm/Object/RelocVisitor.h
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@@ -304,7 +304,8 @@ private:
// AArch64 ELF
RelocToApply visitELF_AARCH64_ABS32(RelocationRef R, uint64_t Value) {
int64_t Addend = getAddend64LE(R);
int64_t Addend;
getELFRelocationAddend(R, Addend);
int64_t Res = Value + Addend;
// Overflow check allows for both signed and unsigned interpretation.
@@ -315,7 +316,8 @@ private:
}
RelocToApply visitELF_AARCH64_ABS64(RelocationRef R, uint64_t Value) {
int64_t Addend = getAddend64LE(R);
int64_t Addend;
getELFRelocationAddend(R, Addend);
return RelocToApply(Value + Addend, 8);
}
@@ -352,8 +354,15 @@ private:
}
RelocToApply visitELF_ARM_ABS32(RelocationRef R, uint64_t Value) {
int64_t Addend = getAddend32LE(R);
return RelocToApply(Value + Addend, 4);
int64_t Addend;
getELFRelocationAddend(R, Addend);
int64_t Res = Value + Addend;
// Overflow check allows for both signed and unsigned interpretation.
if (Res < INT32_MIN || Res > UINT32_MAX)
HasError = true;
return RelocToApply(static_cast<uint32_t>(Res), 4);
}
};