1 //===-- DwarfException.h - Dwarf Exception Framework -----------*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains support for writing dwarf exception info into asm files.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
15 #define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
17 #include "EHStreamer.h"
18 #include "llvm/CodeGen/AsmPrinter.h"
21 class MachineFunction;
22 class ARMTargetStreamer;
24 class DwarfCFIException : public EHStreamer {
25 /// Per-function flag to indicate if .cfi_personality should be emitted.
26 bool shouldEmitPersonality;
28 /// Per-function flag to indicate if .cfi_lsda should be emitted.
31 /// Per-function flag to indicate if frame moves info should be emitted.
34 AsmPrinter::CFIMoveType moveTypeModule;
37 //===--------------------------------------------------------------------===//
40 DwarfCFIException(AsmPrinter *A);
41 virtual ~DwarfCFIException();
43 /// Emit all exception information that should come after the content.
44 void endModule() override;
46 /// Gather pre-function exception information. Assumes being emitted
47 /// immediately after the function entry point.
48 void beginFunction(const MachineFunction *MF) override;
50 /// Gather and emit post-function exception information.
51 void endFunction(const MachineFunction *) override;
54 class ARMException : public EHStreamer {
55 void emitTypeInfos(unsigned TTypeEncoding) override;
56 ARMTargetStreamer &getTargetStreamer();
58 /// Per-function flag to indicate if frame CFI info should be emitted.
62 //===--------------------------------------------------------------------===//
65 ARMException(AsmPrinter *A);
66 virtual ~ARMException();
68 /// Emit all exception information that should come after the content.
69 void endModule() override;
71 /// Gather pre-function exception information. Assumes being emitted
72 /// immediately after the function entry point.
73 void beginFunction(const MachineFunction *MF) override;
75 /// Gather and emit post-function exception information.
76 void endFunction(const MachineFunction *) override;
78 } // End of namespace llvm