aboutsummaryrefslogtreecommitdiff
path: root/lib/MC/MCAsmStreamer.cpp
diff options
context:
space:
mode:
authorCharles Davis <cdavis@mines.edu>2011-05-18 20:54:10 +0000
committerCharles Davis <cdavis@mines.edu>2011-05-18 20:54:10 +0000
commitf07090134d06e0cf3508e8b8e87d775f0a7982c1 (patch)
treed57ca47ae68a3366d3642e5c2df9c14e9434e709 /lib/MC/MCAsmStreamer.cpp
parentb55d924b1e33341d08b1bead78e86fce56617784 (diff)
Add some more Win64 EH directives:
- StartChained and EndChained delimit a chained unwind area, which can contain additional operations to be undone if an exception occurs inside of it. - UnwindOnly declares that this function doesn't handle any exceptions. If it has a handler, it's an unwind handler instead of an exception handler. - Lsda declares the location and size of the LSDA, which in the Win64 EH scheme is kept inside the UNWIND_INFO struct. Windows itself ignores the LSDA; it's used by the Language-Specific Handler (the "Personality Function" from DWARF). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131572 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MCAsmStreamer.cpp')
-rw-r--r--lib/MC/MCAsmStreamer.cpp36
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index 41a821dbb9..f62111bcf8 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -210,6 +210,10 @@ public:
virtual void EmitWin64EHStartProc(MCSymbol *Symbol, MCSymbol *EHandler = 0);
virtual void EmitWin64EHEndProc();
+ virtual void EmitWin64EHStartChained();
+ virtual void EmitWin64EHEndChained();
+ virtual void EmitWin64EHUnwindOnly();
+ virtual void EmitWin64EHLsda(cosnt MCSymbol *Sym, int64_t Size);
virtual void EmitWin64EHPushReg(int64_t Register);
virtual void EmitWin64EHSetFrame(int64_t Register, int64_t Offset);
virtual void EmitWin64EHAllocStack(int64_t Size);
@@ -942,6 +946,38 @@ void MCAsmStreamer::EmitWin64EHEndProc()
EmitEOL();
}
+void MCAsmStreamer::EmitWin64EHStartChained()
+{
+ //MCStreamer::EmitWin64EHStartChained();
+
+ OS << "\t.w64_startchained";
+ EmitEOL();
+}
+
+void MCAsmStreamer::EmitWin64EHEndChained()
+{
+ //MCStreamer::EmitWin64EHEndChained();
+
+ OS << "\t.w64_endchained";
+ EmitEOL();
+}
+
+void MCAsmStreamer::EmitWin64EHUnwindOnly()
+{
+ //MCStreamer::EmitWin64EHUnwindOnly();
+
+ OS << "\t.w64_unwind_only";
+ EmitEOL();
+}
+
+void MCAsmStreamer::EmitWin64EHLsda(cosnt MCSymbol *Sym, int64_t Size)
+{
+ //MCStreamer::EmitWin64EHLsda(Sym, Size);
+
+ OS << "\t.w64_lsda " << *Sym << ", " << Size;
+ EmitEOL();
+}
+
void MCAsmStreamer::EmitWin64EHPushReg(int64_t Register)
{
//MCStreamer::EmitWin64EHPushReg(Register);