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annotate lib/CodeGen/AsmPrinter/DwarfException.h @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents 54457678186b
children afa8332a0e37
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1 //===-- DwarfException.h - Dwarf Exception Framework -----------*- C++ -*--===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file contains support for writing dwarf exception info into asm files.
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11 //
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12 //===----------------------------------------------------------------------===//
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14 #ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
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15 #define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFEXCEPTION_H
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17 #include "EHStreamer.h"
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18 #include "llvm/CodeGen/AsmPrinter.h"
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19
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20 namespace llvm {
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21 class MachineFunction;
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22 class ARMTargetStreamer;
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23
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24 class DwarfCFIException : public EHStreamer {
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25 /// shouldEmitPersonality - Per-function flag to indicate if .cfi_personality
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26 /// should be emitted.
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27 bool shouldEmitPersonality;
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28
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29 /// shouldEmitLSDA - Per-function flag to indicate if .cfi_lsda
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30 /// should be emitted.
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31 bool shouldEmitLSDA;
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32
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33 /// shouldEmitMoves - Per-function flag to indicate if frame moves info
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34 /// should be emitted.
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35 bool shouldEmitMoves;
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36
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37 AsmPrinter::CFIMoveType moveTypeModule;
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38
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39 public:
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40 //===--------------------------------------------------------------------===//
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41 // Main entry points.
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42 //
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43 DwarfCFIException(AsmPrinter *A);
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44 virtual ~DwarfCFIException();
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45
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46 /// endModule - Emit all exception information that should come after the
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47 /// content.
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48 void endModule() override;
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50 /// beginFunction - Gather pre-function exception information. Assumes being
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51 /// emitted immediately after the function entry point.
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52 void beginFunction(const MachineFunction *MF) override;
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53
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54 /// endFunction - Gather and emit post-function exception information.
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55 void endFunction(const MachineFunction *) override;
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56 };
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57
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58 class ARMException : public EHStreamer {
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59 void emitTypeInfos(unsigned TTypeEncoding) override;
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60 ARMTargetStreamer &getTargetStreamer();
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61
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62 /// shouldEmitCFI - Per-function flag to indicate if frame CFI info
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63 /// should be emitted.
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64 bool shouldEmitCFI;
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65
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66 public:
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67 //===--------------------------------------------------------------------===//
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68 // Main entry points.
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69 //
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70 ARMException(AsmPrinter *A);
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71 virtual ~ARMException();
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72
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73 /// endModule - Emit all exception information that should come after the
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74 /// content.
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75 void endModule() override;
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77 /// beginFunction - Gather pre-function exception information. Assumes being
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78 /// emitted immediately after the function entry point.
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79 void beginFunction(const MachineFunction *MF) override;
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81 /// endFunction - Gather and emit post-function exception information.
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82 void endFunction(const MachineFunction *) override;
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83 };
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84 } // End of namespace llvm
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85
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86 #endif