llvm-6502/lib/Target/X86/X86AsmPrinter.h
Andrew Trick 3d74dea4bd Add support for stack map generation in the X86 backend.
Originally implemented by Lang Hames.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193811 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-31 22:11:56 +00:00

87 lines
3.2 KiB
C++

//===-- X86AsmPrinter.h - X86 implementation of AsmPrinter ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef X86ASMPRINTER_H
#define X86ASMPRINTER_H
#include "X86.h"
#include "X86MachineFunctionInfo.h"
#include "X86TargetMachine.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/CodeGen/StackMaps.h"
#include "llvm/Support/Compiler.h"
namespace llvm {
class MCStreamer;
class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
const X86Subtarget *Subtarget;
StackMaps SM;
// Parses operands of PATCHPOINT and STACKMAP to produce stack map Location
// structures. Returns a result location and an iterator to the operand
// immediately following the operands consumed.
//
// This method is implemented in X86MCInstLower.cpp.
static std::pair<StackMaps::Location, MachineInstr::const_mop_iterator>
stackmapOperandParser(MachineInstr::const_mop_iterator MOI,
MachineInstr::const_mop_iterator MOE);
public:
explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
: AsmPrinter(TM, Streamer), SM(*this, stackmapOperandParser) {
Subtarget = &TM.getSubtarget<X86Subtarget>();
}
virtual const char *getPassName() const LLVM_OVERRIDE {
return "X86 Assembly / Object Emitter";
}
const X86Subtarget &getSubtarget() const { return *Subtarget; }
virtual void EmitStartOfAsmFile(Module &M) LLVM_OVERRIDE;
virtual void EmitEndOfAsmFile(Module &M) LLVM_OVERRIDE;
virtual void EmitInstruction(const MachineInstr *MI) LLVM_OVERRIDE;
void printSymbolOperand(const MachineOperand &MO, raw_ostream &O);
// These methods are used by the tablegen'erated instruction printer.
void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O,
const char *Modifier = 0, unsigned AsmVariant = 0);
void printPCRelImm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O);
virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
raw_ostream &OS) LLVM_OVERRIDE;
virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
raw_ostream &OS) LLVM_OVERRIDE;
void printMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
const char *Modifier=NULL);
void printLeaMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
const char *Modifier=NULL);
void printIntelMemReference(const MachineInstr *MI, unsigned Op,
raw_ostream &O, const char *Modifier=NULL,
unsigned AsmVariant = 1);
virtual bool runOnMachineFunction(MachineFunction &F) LLVM_OVERRIDE;
};
} // end namespace llvm
#endif