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-rw-r--r--contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h
new file mode 100644
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+++ b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfException.h
@@ -0,0 +1,87 @@
+//===-- DwarfException.h - Dwarf Exception Framework -----------*- C++ -*--===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains support for writing dwarf exception info into asm files.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
+#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
+
+#include "EHStreamer.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+
+namespace llvm {
+class MachineFunction;
+class ARMTargetStreamer;
+
+class DwarfCFIExceptionBase : public EHStreamer {
+protected:
+ DwarfCFIExceptionBase(AsmPrinter *A);
+
+ /// Per-function flag to indicate if frame CFI info should be emitted.
+ bool shouldEmitCFI;
+
+ void markFunctionEnd() override;
+};
+
+class DwarfCFIException : public DwarfCFIExceptionBase {
+ /// Per-function flag to indicate if .cfi_personality should be emitted.
+ bool shouldEmitPersonality;
+
+ /// Per-function flag to indicate if .cfi_lsda should be emitted.
+ bool shouldEmitLSDA;
+
+ /// Per-function flag to indicate if frame moves info should be emitted.
+ bool shouldEmitMoves;
+
+ AsmPrinter::CFIMoveType moveTypeModule;
+
+public:
+ //===--------------------------------------------------------------------===//
+ // Main entry points.
+ //
+ DwarfCFIException(AsmPrinter *A);
+ ~DwarfCFIException() override;
+
+ /// Emit all exception information that should come after the content.
+ void endModule() override;
+
+ /// Gather pre-function exception information. Assumes being emitted
+ /// immediately after the function entry point.
+ void beginFunction(const MachineFunction *MF) override;
+
+ /// Gather and emit post-function exception information.
+ void endFunction(const MachineFunction *) override;
+};
+
+class ARMException : public DwarfCFIExceptionBase {
+ void emitTypeInfos(unsigned TTypeEncoding) override;
+ ARMTargetStreamer &getTargetStreamer();
+
+public:
+ //===--------------------------------------------------------------------===//
+ // Main entry points.
+ //
+ ARMException(AsmPrinter *A);
+ ~ARMException() override;
+
+ /// Emit all exception information that should come after the content.
+ void endModule() override;
+
+ /// Gather pre-function exception information. Assumes being emitted
+ /// immediately after the function entry point.
+ void beginFunction(const MachineFunction *MF) override;
+
+ /// Gather and emit post-function exception information.
+ void endFunction(const MachineFunction *) override;
+};
+} // End of namespace llvm
+
+#endif
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