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Turns out GAS does have Win64 EH directives. (It also supports WinCE EH.) Make

Browse Source 
ours compatible with GAS.

In retrospect, I should have emailed binutils about this earlier. Thanks to
Kai Tietz for pointing out that GAS already had SEH directives.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131652 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Charles Davis
2011-05-19 17:46:39 +00:00
parent 6635b04a43
commit 440596ffe5
4 changed files with 60 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
lib/MC/MCStreamer.cpp
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@ -321,14 +321,13 @@ void MCStreamer::EnsureValidW64UnwindInfo() {
report_fatal_error("No open Win64 EH frame function!");
}
void MCStreamer::EmitWin64EHStartProc(MCSymbol *Symbol, MCSymbol *EHandler) {
void MCStreamer::EmitWin64EHStartProc(MCSymbol *Symbol) {
MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
if (CurFrame && !CurFrame->End)
report_fatal_error("Starting a function before ending the previous one!");
MCWin64EHUnwindInfo Frame;
Frame.Begin = getContext().CreateTempSymbol();
Frame.Function = Symbol;
Frame.ExceptionHandler = EHandler;
EmitLabel(Frame.Begin);
setCurrentW64UnwindInfo(&Frame);
}
@ -342,8 +341,7 @@ void MCStreamer::EmitWin64EHEndProc() {
EmitLabel(CurFrame->End);
}
void MCStreamer::EmitWin64EHStartChained()
{
void MCStreamer::EmitWin64EHStartChained() {
EnsureValidW64UnwindInfo();
MCWin64EHUnwindInfo Frame;
MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
@ -354,8 +352,7 @@ void MCStreamer::EmitWin64EHStartChained()
setCurrentW64UnwindInfo(&Frame);
}
void MCStreamer::EmitWin64EHEndChained()
{
void MCStreamer::EmitWin64EHEndChained() {
EnsureValidW64UnwindInfo();
MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
if (!CurFrame->ChainedParent)
@ -365,50 +362,53 @@ void MCStreamer::EmitWin64EHEndChained()
CurrentW64UnwindInfo = CurFrame->ChainedParent;
}
void MCStreamer::EmitWin64EHUnwindOnly()
{
void MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind,
bool Except) {
EnsureValidW64UnwindInfo();
MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
CurFrame->ExceptionHandler = Sym;
if (Unwind)
CurFrame->UnwindOnly = true;
else if (!Except)
report_fatal_error("Don't know what kind of handler this is!");
}
void MCStreamer::EmitWin64EHHandlerData() {
errs() << "Not implemented yet\n";
abort();
}
void MCStreamer::EmitWin64EHLsda(const MCSymbol *Sym, int64_t Size)
{
void MCStreamer::EmitWin64EHPushReg(int64_t Register) {
errs() << "Not implemented yet\n";
abort();
}
void MCStreamer::EmitWin64EHPushReg(int64_t Register)
{
void MCStreamer::EmitWin64EHSetFrame(int64_t Register, int64_t Offset) {
errs() << "Not implemented yet\n";
abort();
}
void MCStreamer::EmitWin64EHSetFrame(int64_t Register, int64_t Offset)
{
void MCStreamer::EmitWin64EHAllocStack(int64_t Size) {
errs() << "Not implemented yet\n";
abort();
}
void MCStreamer::EmitWin64EHAllocStack(int64_t Size)
{
void MCStreamer::EmitWin64EHSaveReg(int64_t Register, int64_t Offset) {
errs() << "Not implemented yet\n";
abort();
}
void MCStreamer::EmitWin64EHSaveReg(int64_t Register, int64_t Offset)
{
void MCStreamer::EmitWin64EHSaveXMM(int64_t Register, int64_t Offset) {
errs() << "Not implemented yet\n";
abort();
}
void MCStreamer::EmitWin64EHPushFrame(bool Code)
{
void MCStreamer::EmitWin64EHPushFrame(bool Code) {
errs() << "Not implemented yet\n";
abort();
}
void MCStreamer::EmitWin64EHEndProlog()
{
void MCStreamer::EmitWin64EHEndProlog() {
errs() << "Not implemented yet\n";
abort();
}