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