forked from OSchip/llvm-project
230 lines
8.0 KiB
C++
230 lines
8.0 KiB
C++
//===-- X86ATTAsmPrinter.h - Convert X86 LLVM code to AT&T assembly -------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// AT&T assembly code printer class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef X86ATTASMPRINTER_H
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#define X86ATTASMPRINTER_H
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#include "../X86.h"
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#include "../X86MachineFunctionInfo.h"
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#include "../X86TargetMachine.h"
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#include "llvm/ADT/StringSet.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/CodeGen/DwarfWriter.h"
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#include "llvm/CodeGen/MachineModuleInfo.h"
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#include "llvm/CodeGen/ValueTypes.h"
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#include "llvm/Support/Compiler.h"
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namespace llvm {
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class MachineJumpTableInfo;
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class MCContext;
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class MCInst;
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class MCOperand;
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class MCStreamer;
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class MCSymbol;
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class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
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const X86Subtarget *Subtarget;
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public:
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explicit X86ATTAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
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const MCAsmInfo *T, bool V)
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: AsmPrinter(O, TM, T, V) {
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Subtarget = &TM.getSubtarget<X86Subtarget>();
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}
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virtual const char *getPassName() const {
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return "X86 AT&T-Style Assembly Printer";
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}
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void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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if (Subtarget->isTargetDarwin() ||
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Subtarget->isTargetELF() ||
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Subtarget->isTargetCygMing()) {
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AU.addRequired<MachineModuleInfo>();
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}
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AU.addRequired<DwarfWriter>();
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AsmPrinter::getAnalysisUsage(AU);
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}
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bool doFinalization(Module &M);
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/// printInstruction - This method is automatically generated by tablegen
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/// from the instruction set description. This method returns true if the
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/// machine instruction was sufficiently described to print it, otherwise it
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/// returns false.
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void printInstruction(const MachineInstr *MI);
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// New MCInst printing stuff.
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void printInstruction(const MCInst *MI);
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MCSymbol *GetPICBaseSymbol();
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MCOperand LowerJumpTableOperand(const MachineOperand &MO);
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MCOperand LowerGlobalAddressOperand(const MachineOperand &MO);
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MCOperand LowerExternalSymbolOperand(const MachineOperand &MO);
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virtual void printMCInst(const MCInst *MI) { printInstruction(MI); }
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void printSymbolOperand(const MachineOperand &MO);
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void printOperand(const MCInst *MI, unsigned OpNo,
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const char *Modifier = 0);
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void printMemReference(const MCInst *MI, unsigned Op);
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void printLeaMemReference(const MCInst *MI, unsigned Op);
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void printSSECC(const MCInst *MI, unsigned Op);
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void printPICLabel(const MCInst *MI, unsigned Op);
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void print_pcrel_imm(const MCInst *MI, unsigned OpNo);
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void printi8mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi16mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi32mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi64mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi128mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf32mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf64mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf80mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf128mem(const MCInst *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printlea32mem(const MCInst *MI, unsigned OpNo) {
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printLeaMemReference(MI, OpNo);
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}
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void printlea64mem(const MCInst *MI, unsigned OpNo) {
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printLeaMemReference(MI, OpNo);
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}
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void printlea64_32mem(const MCInst *MI, unsigned OpNo) {
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printLeaMemReference(MI, OpNo);
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}
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// These methods are used by the tablegen'erated instruction printer.
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void printOperand(const MachineInstr *MI, unsigned OpNo,
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const char *Modifier = 0);
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void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo);
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void printi8mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi16mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi32mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi64mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi128mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printi256mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf32mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf64mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf80mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf128mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printf256mem(const MachineInstr *MI, unsigned OpNo) {
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printMemReference(MI, OpNo);
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}
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void printlea32mem(const MachineInstr *MI, unsigned OpNo) {
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printLeaMemReference(MI, OpNo);
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}
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void printlea64mem(const MachineInstr *MI, unsigned OpNo) {
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printLeaMemReference(MI, OpNo);
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}
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void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
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printLeaMemReference(MI, OpNo, "subreg64");
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}
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bool printAsmMRegister(const MachineOperand &MO, char Mode);
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bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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unsigned AsmVariant, const char *ExtraCode);
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bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
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unsigned AsmVariant, const char *ExtraCode);
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void printMachineInstruction(const MachineInstr *MI);
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void printSSECC(const MachineInstr *MI, unsigned Op);
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void printMemReference(const MachineInstr *MI, unsigned Op,
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const char *Modifier=NULL);
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void printLeaMemReference(const MachineInstr *MI, unsigned Op,
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const char *Modifier=NULL);
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void printPICJumpTableSetLabel(unsigned uid,
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const MachineBasicBlock *MBB) const;
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void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
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const MachineBasicBlock *MBB) const {
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AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
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}
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void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
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const MachineBasicBlock *MBB,
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unsigned uid) const;
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void printPICLabel(const MachineInstr *MI, unsigned Op);
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void PrintGlobalVariable(const GlobalVariable* GVar);
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void PrintPICBaseSymbol() const;
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bool runOnMachineFunction(MachineFunction &F);
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void emitFunctionHeader(const MachineFunction &MF);
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// Necessary for Darwin to print out the apprioriate types of linker stubs
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StringMap<std::string> FnStubs, GVStubs, HiddenGVStubs;
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// Necessary for dllexport support
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StringSet<> CygMingStubs, DLLExportedFns, DLLExportedGVs;
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// We have to propagate some information about MachineFunction to
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// AsmPrinter. It's ok, when we're printing the function, since we have
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// access to MachineFunction and can get the appropriate MachineFunctionInfo.
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// Unfortunately, this is not possible when we're printing reference to
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// Function (e.g. calling it and so on). Even more, there is no way to get the
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// corresponding MachineFunctions: it can even be not created at all. That's
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// why we should use additional structure, when we're collecting all necessary
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// information.
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//
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// This structure is using e.g. for name decoration for stdcall & fastcall'ed
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// function, since we have to use arguments' size for decoration.
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typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
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FMFInfoMap FunctionInfoMap;
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void DecorateCygMingName(std::string &Name, const GlobalValue *GV);
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};
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} // end namespace llvm
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#endif
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