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ARM: Use -arm-enable-ehabi(-descriptors).

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D exception handling does not work at all yet, but with these
flags it does for C++/Clang, at least in simple cases.
This commit is contained in:
David Nadlinger 2013-10-06 20:15:28 +02:00
parent aba1b82539
commit e4fee1116a
1 changed files with 14 additions and 0 deletions
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14
driver/targetmachine.cpp
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@ -18,6 +18,7 @@
#include "llvm/ADT/Triple.h" #include "llvm/ADT/Triple.h"
#include "llvm/MC/SubtargetFeature.h" #include "llvm/MC/SubtargetFeature.h"
#include "llvm/Support/Host.h" #include "llvm/Support/Host.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/TargetRegistry.h" #include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h" #include "llvm/Support/TargetSelect.h"
#include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetMachine.h"
@ -346,6 +347,19 @@ llvm::TargetMachine* createTargetMachine(
} }
} }
if (triple.getArch() == llvm::Triple::arm)
{
// On ARM, we want to use EHABI exception handling, as we don't support
// SJLJ EH in druntime. Unfortunately, it is still in a partly
// experimental state, and the -arm-enable-ehabi-descriptors command
// line option is not exposed via an internal API at all.
const char *backendArgs[3] = {
"ldc2", // Fake name, irrelevant.
"-arm-enable-ehabi",
"-arm-enable-ehabi-descriptors"
};
llvm::cl::ParseCommandLineOptions(3, backendArgs);
}
llvm::TargetOptions targetOptions; llvm::TargetOptions targetOptions;
targetOptions.NoFramePointerElim = genDebugInfo; targetOptions.NoFramePointerElim = genDebugInfo;