/usr/include/llvm-3.6/llvm/MC/MCWinEH.h is in llvm-3.6-dev 1:3.6-2ubuntu1~trusty2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | //===- MCWinEH.h - Windows Unwinding Support --------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCWINEH_H
#define LLVM_MC_MCWINEH_H
#include <vector>
namespace llvm {
class MCContext;
class MCSection;
class MCStreamer;
class MCSymbol;
class StringRef;
namespace WinEH {
struct Instruction {
const MCSymbol *Label;
const unsigned Offset;
const unsigned Register;
const unsigned Operation;
Instruction(unsigned Op, MCSymbol *L, unsigned Reg, unsigned Off)
: Label(L), Offset(Off), Register(Reg), Operation(Op) {}
};
struct FrameInfo {
const MCSymbol *Begin;
const MCSymbol *End;
const MCSymbol *ExceptionHandler;
const MCSymbol *Function;
const MCSymbol *PrologEnd;
const MCSymbol *Symbol;
bool HandlesUnwind;
bool HandlesExceptions;
int LastFrameInst;
const FrameInfo *ChainedParent;
std::vector<Instruction> Instructions;
FrameInfo()
: Begin(nullptr), End(nullptr), ExceptionHandler(nullptr),
Function(nullptr), PrologEnd(nullptr), Symbol(nullptr),
HandlesUnwind(false), HandlesExceptions(false), LastFrameInst(-1),
ChainedParent(nullptr), Instructions() {}
FrameInfo(const MCSymbol *Function, const MCSymbol *BeginFuncEHLabel)
: Begin(BeginFuncEHLabel), End(nullptr), ExceptionHandler(nullptr),
Function(Function), PrologEnd(nullptr), Symbol(nullptr),
HandlesUnwind(false), HandlesExceptions(false), LastFrameInst(-1),
ChainedParent(nullptr), Instructions() {}
FrameInfo(const MCSymbol *Function, const MCSymbol *BeginFuncEHLabel,
const FrameInfo *ChainedParent)
: Begin(BeginFuncEHLabel), End(nullptr), ExceptionHandler(nullptr),
Function(Function), PrologEnd(nullptr), Symbol(nullptr),
HandlesUnwind(false), HandlesExceptions(false), LastFrameInst(-1),
ChainedParent(ChainedParent), Instructions() {}
};
class UnwindEmitter {
public:
static const MCSection *getPDataSection(const MCSymbol *Function,
MCContext &Context);
static const MCSection *getXDataSection(const MCSymbol *Function,
MCContext &Context);
virtual ~UnwindEmitter() { }
//
// This emits the unwind info sections (.pdata and .xdata in PE/COFF).
//
virtual void Emit(MCStreamer &Streamer) const = 0;
virtual void EmitUnwindInfo(MCStreamer &Streamer, FrameInfo *FI) const = 0;
};
}
}
#endif
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