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CodeGen: indicate Windows unwind data format

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The structures for Windows unwinding are shared across multiple platforms.
Indicate the encoding to be used for the particular target.  Use this to switch
the unwind emitter instantiated by the AsmPrinter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216895 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool
2014-09-01 23:48:39 +00:00
parent 05c3ddfa4e
commit 901a3419d1
2 changed files with 8 additions and 1 deletions
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lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+6 -1
View File
@@ -244,7 +244,12 @@ bool AsmPrinter::doInitialization(Module &M) {
ES = new ARMException(this);
break;
case ExceptionHandling::WinEH:
ES = new Win64Exception(this);
switch (MAI->getWinEHEncodingType()) {
default: llvm_unreachable("unsupported unwinding information encoding");
case WinEH::EncodingType::Itanium:
ES = new Win64Exception(this);
break;
}
break;
}
if (ES)
lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
+2
View File
@@ -142,6 +142,7 @@ X86MCAsmInfoMicrosoft::X86MCAsmInfoMicrosoft(const Triple &Triple) {
if (Triple.getArch() == Triple::x86_64) {
PrivateGlobalPrefix = ".L";
PointerSize = 8;
WinEHEncodingType = WinEH::EncodingType::Itanium;
ExceptionsType = ExceptionHandling::WinEH;
}
@@ -161,6 +162,7 @@ X86MCAsmInfoGNUCOFF::X86MCAsmInfoGNUCOFF(const Triple &Triple) {
if (Triple.getArch() == Triple::x86_64) {
PrivateGlobalPrefix = ".L";
PointerSize = 8;
WinEHEncodingType = WinEH::EncodingType::Itanium;
ExceptionsType = ExceptionHandling::WinEH;
} else {
ExceptionsType = ExceptionHandling::DwarfCFI;