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Retrying r91337:

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The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine,
but we need it to actually be 4-bytes in the FDE for some platforms. Allow
individual platforms to decide for themselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93616 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2010-01-16 01:40:55 +00:00
parent 9ab19f25aa
commit d58e9cb42d
4 changed files with 42 additions and 8 deletions
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27
lib/CodeGen/AsmPrinter/DwarfException.cpp
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@ -283,17 +283,28 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
if (MMI->getPersonalities()[0] != NULL) {
bool is4Byte = TD->getPointerSize() == sizeof(int32_t);
Asm->EmitULEB128Bytes(is4Byte ? 4 : 8);
Asm->EOL("Augmentation size");
if (Asm->TM.getLSDAEncoding() == DwarfLSDAEncoding::FourByte) {
Asm->EmitULEB128Bytes(4);
Asm->EOL("Augmentation size");
if (EHFrameInfo.hasLandingPads)
EmitReference("exception", EHFrameInfo.Number, true, false);
else {
if (is4Byte)
Asm->EmitInt32((int)0);
if (EHFrameInfo.hasLandingPads)
EmitReference("exception", EHFrameInfo.Number, true, true);
else
Asm->EmitInt64((int)0);
Asm->EmitInt32((int)0);
} else {
Asm->EmitULEB128Bytes(is4Byte ? 4 : 8);
Asm->EOL("Augmentation size");
if (EHFrameInfo.hasLandingPads) {
EmitReference("exception", EHFrameInfo.Number, true, false);
} else {
if (is4Byte)
Asm->EmitInt32((int)0);
else
Asm->EmitInt64((int)0);
}
}
Asm->EOL("Language Specific Data Area");
} else {
Asm->EmitULEB128Bytes(0);