1 //===-- X86ATTAsmPrinter.h - Convert X86 LLVM code to AT&T assembly -------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // AT&T assembly code printer class.
12 //===----------------------------------------------------------------------===//
14 #ifndef X86ATTASMPRINTER_H
15 #define X86ATTASMPRINTER_H
18 #include "../X86MachineFunctionInfo.h"
19 #include "../X86TargetMachine.h"
20 #include "llvm/ADT/StringSet.h"
21 #include "llvm/CodeGen/AsmPrinter.h"
22 #include "llvm/CodeGen/DwarfWriter.h"
23 #include "llvm/CodeGen/MachineModuleInfo.h"
24 #include "llvm/CodeGen/ValueTypes.h"
25 #include "llvm/Support/Compiler.h"
29 class MachineJumpTableInfo;
34 class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
35 MachineModuleInfo *MMI;
36 const X86Subtarget *Subtarget;
41 explicit X86ATTAsmPrinter(raw_ostream &O, X86TargetMachine &TM,
42 const TargetAsmInfo *T, CodeGenOpt::Level OL,
44 : AsmPrinter(O, TM, T, OL, V), MMI(0) {
45 Subtarget = &TM.getSubtarget<X86Subtarget>();
50 virtual const char *getPassName() const {
51 return "X86 AT&T-Style Assembly Printer";
54 void getAnalysisUsage(AnalysisUsage &AU) const {
56 if (Subtarget->isTargetDarwin() ||
57 Subtarget->isTargetELF() ||
58 Subtarget->isTargetCygMing()) {
59 AU.addRequired<MachineModuleInfo>();
61 AU.addRequired<DwarfWriter>();
62 AsmPrinter::getAnalysisUsage(AU);
65 bool doInitialization(Module &M);
66 bool doFinalization(Module &M);
68 /// printInstruction - This method is automatically generated by tablegen
69 /// from the instruction set description. This method returns true if the
70 /// machine instruction was sufficiently described to print it, otherwise it
72 bool printInstruction(const MachineInstr *MI);
75 // New MCInst printing stuff.
76 bool printInstruction(const MCInst *MI);
78 void printOperand(const MCInst *MI, unsigned OpNo,
79 const char *Modifier = 0, bool NotRIPRel = false);
80 void printMemReference(const MCInst *MI, unsigned Op);
81 void printLeaMemReference(const MCInst *MI, unsigned Op);
82 void printSSECC(const MCInst *MI, unsigned Op);
83 void printPICLabel(const MCInst *MI, unsigned Op);
84 void print_pcrel_imm(const MCInst *MI, unsigned OpNo);
86 void printi8mem(const MCInst *MI, unsigned OpNo) {
87 printMemReference(MI, OpNo);
89 void printi16mem(const MCInst *MI, unsigned OpNo) {
90 printMemReference(MI, OpNo);
92 void printi32mem(const MCInst *MI, unsigned OpNo) {
93 printMemReference(MI, OpNo);
95 void printi64mem(const MCInst *MI, unsigned OpNo) {
96 printMemReference(MI, OpNo);
98 void printi128mem(const MCInst *MI, unsigned OpNo) {
99 printMemReference(MI, OpNo);
101 void printf32mem(const MCInst *MI, unsigned OpNo) {
102 printMemReference(MI, OpNo);
104 void printf64mem(const MCInst *MI, unsigned OpNo) {
105 printMemReference(MI, OpNo);
107 void printf80mem(const MCInst *MI, unsigned OpNo) {
108 printMemReference(MI, OpNo);
110 void printf128mem(const MCInst *MI, unsigned OpNo) {
111 printMemReference(MI, OpNo);
113 void printlea32mem(const MCInst *MI, unsigned OpNo) {
114 printLeaMemReference(MI, OpNo);
116 void printlea64mem(const MCInst *MI, unsigned OpNo) {
117 printLeaMemReference(MI, OpNo);
119 void printlea64_32mem(const MCInst *MI, unsigned OpNo) {
120 printLeaMemReference(MI, OpNo);
125 // These methods are used by the tablegen'erated instruction printer.
126 void printOperand(const MachineInstr *MI, unsigned OpNo,
127 const char *Modifier = 0, bool NotRIPRel = false);
128 void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo);
129 void printi8mem(const MachineInstr *MI, unsigned OpNo) {
130 printMemReference(MI, OpNo);
132 void printi16mem(const MachineInstr *MI, unsigned OpNo) {
133 printMemReference(MI, OpNo);
135 void printi32mem(const MachineInstr *MI, unsigned OpNo) {
136 printMemReference(MI, OpNo);
138 void printi64mem(const MachineInstr *MI, unsigned OpNo) {
139 printMemReference(MI, OpNo);
141 void printi128mem(const MachineInstr *MI, unsigned OpNo) {
142 printMemReference(MI, OpNo);
144 void printf32mem(const MachineInstr *MI, unsigned OpNo) {
145 printMemReference(MI, OpNo);
147 void printf64mem(const MachineInstr *MI, unsigned OpNo) {
148 printMemReference(MI, OpNo);
150 void printf80mem(const MachineInstr *MI, unsigned OpNo) {
151 printMemReference(MI, OpNo);
153 void printf128mem(const MachineInstr *MI, unsigned OpNo) {
154 printMemReference(MI, OpNo);
156 void printlea32mem(const MachineInstr *MI, unsigned OpNo) {
157 printLeaMemReference(MI, OpNo);
159 void printlea64mem(const MachineInstr *MI, unsigned OpNo) {
160 printLeaMemReference(MI, OpNo);
162 void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
163 printLeaMemReference(MI, OpNo, "subreg64");
166 bool printAsmMRegister(const MachineOperand &MO, char Mode);
167 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
168 unsigned AsmVariant, const char *ExtraCode);
169 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
170 unsigned AsmVariant, const char *ExtraCode);
172 void printMachineInstruction(const MachineInstr *MI);
173 void printSSECC(const MachineInstr *MI, unsigned Op);
174 void printMemReference(const MachineInstr *MI, unsigned Op,
175 const char *Modifier=NULL, bool NotRIPRel = false);
176 void printLeaMemReference(const MachineInstr *MI, unsigned Op,
177 const char *Modifier=NULL, bool NotRIPRel = false);
178 void printPICJumpTableSetLabel(unsigned uid,
179 const MachineBasicBlock *MBB) const;
180 void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
181 const MachineBasicBlock *MBB) const {
182 AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
184 void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
185 const MachineBasicBlock *MBB,
188 void printPICLabel(const MachineInstr *MI, unsigned Op);
189 void printModuleLevelGV(const GlobalVariable* GVar);
191 void printGVStub(const char *GV);
192 void printHiddenGVStub(const char *GV);
194 bool runOnMachineFunction(MachineFunction &F);
196 void emitFunctionHeader(const MachineFunction &MF);
198 // Necessary for Darwin to print out the apprioriate types of linker stubs
199 StringSet<> FnStubs, GVStubs, HiddenGVStubs;
201 // Necessary for dllexport support
202 StringSet<> DLLExportedFns, DLLExportedGVs;
204 // We have to propagate some information about MachineFunction to
205 // AsmPrinter. It's ok, when we're printing the function, since we have
206 // access to MachineFunction and can get the appropriate MachineFunctionInfo.
207 // Unfortunately, this is not possible when we're printing reference to
208 // Function (e.g. calling it and so on). Even more, there is no way to get the
209 // corresponding MachineFunctions: it can even be not created at all. That's
210 // why we should use additional structure, when we're collecting all necessary
213 // This structure is using e.g. for name decoration for stdcall & fastcall'ed
214 // function, since we have to use arguments' size for decoration.
215 typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
216 FMFInfoMap FunctionInfoMap;
218 void decorateName(std::string& Name, const GlobalValue* GV);
221 } // end namespace llvm