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 const X86Subtarget *Subtarget;
40 explicit X86ATTAsmPrinter(raw_ostream &O, X86TargetMachine &TM,
41 const TargetAsmInfo *T, bool V)
42 : AsmPrinter(O, TM, T, V) {
43 Subtarget = &TM.getSubtarget<X86Subtarget>();
48 virtual const char *getPassName() const {
49 return "X86 AT&T-Style Assembly Printer";
52 void getAnalysisUsage(AnalysisUsage &AU) const {
54 if (Subtarget->isTargetDarwin() ||
55 Subtarget->isTargetELF() ||
56 Subtarget->isTargetCygMing()) {
57 AU.addRequired<MachineModuleInfo>();
59 AU.addRequired<DwarfWriter>();
60 AsmPrinter::getAnalysisUsage(AU);
63 bool doInitialization(Module &M);
64 bool doFinalization(Module &M);
66 /// printInstruction - This method is automatically generated by tablegen
67 /// from the instruction set description. This method returns true if the
68 /// machine instruction was sufficiently described to print it, otherwise it
70 bool printInstruction(const MachineInstr *MI);
73 // New MCInst printing stuff.
74 bool printInstruction(const MCInst *MI);
76 void printOperand(const MCInst *MI, unsigned OpNo,
77 const char *Modifier = 0);
78 void printMemReference(const MCInst *MI, unsigned Op);
79 void printLeaMemReference(const MCInst *MI, unsigned Op);
80 void printSSECC(const MCInst *MI, unsigned Op);
81 void printPICLabel(const MCInst *MI, unsigned Op);
82 void print_pcrel_imm(const MCInst *MI, unsigned OpNo);
84 void printi8mem(const MCInst *MI, unsigned OpNo) {
85 printMemReference(MI, OpNo);
87 void printi16mem(const MCInst *MI, unsigned OpNo) {
88 printMemReference(MI, OpNo);
90 void printi32mem(const MCInst *MI, unsigned OpNo) {
91 printMemReference(MI, OpNo);
93 void printi64mem(const MCInst *MI, unsigned OpNo) {
94 printMemReference(MI, OpNo);
96 void printi128mem(const MCInst *MI, unsigned OpNo) {
97 printMemReference(MI, OpNo);
99 void printf32mem(const MCInst *MI, unsigned OpNo) {
100 printMemReference(MI, OpNo);
102 void printf64mem(const MCInst *MI, unsigned OpNo) {
103 printMemReference(MI, OpNo);
105 void printf80mem(const MCInst *MI, unsigned OpNo) {
106 printMemReference(MI, OpNo);
108 void printf128mem(const MCInst *MI, unsigned OpNo) {
109 printMemReference(MI, OpNo);
111 void printlea32mem(const MCInst *MI, unsigned OpNo) {
112 printLeaMemReference(MI, OpNo);
114 void printlea64mem(const MCInst *MI, unsigned OpNo) {
115 printLeaMemReference(MI, OpNo);
117 void printlea64_32mem(const MCInst *MI, unsigned OpNo) {
118 printLeaMemReference(MI, OpNo);
123 // These methods are used by the tablegen'erated instruction printer.
124 void printOperand(const MachineInstr *MI, unsigned OpNo,
125 const char *Modifier = 0);
126 void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo);
127 void printi8mem(const MachineInstr *MI, unsigned OpNo) {
128 printMemReference(MI, OpNo);
130 void printi16mem(const MachineInstr *MI, unsigned OpNo) {
131 printMemReference(MI, OpNo);
133 void printi32mem(const MachineInstr *MI, unsigned OpNo) {
134 printMemReference(MI, OpNo);
136 void printi64mem(const MachineInstr *MI, unsigned OpNo) {
137 printMemReference(MI, OpNo);
139 void printi128mem(const MachineInstr *MI, unsigned OpNo) {
140 printMemReference(MI, OpNo);
142 void printi256mem(const MachineInstr *MI, unsigned OpNo) {
143 printMemReference(MI, OpNo);
145 void printf32mem(const MachineInstr *MI, unsigned OpNo) {
146 printMemReference(MI, OpNo);
148 void printf64mem(const MachineInstr *MI, unsigned OpNo) {
149 printMemReference(MI, OpNo);
151 void printf80mem(const MachineInstr *MI, unsigned OpNo) {
152 printMemReference(MI, OpNo);
154 void printf128mem(const MachineInstr *MI, unsigned OpNo) {
155 printMemReference(MI, OpNo);
157 void printf256mem(const MachineInstr *MI, unsigned OpNo) {
158 printMemReference(MI, OpNo);
160 void printlea32mem(const MachineInstr *MI, unsigned OpNo) {
161 printLeaMemReference(MI, OpNo);
163 void printlea64mem(const MachineInstr *MI, unsigned OpNo) {
164 printLeaMemReference(MI, OpNo);
166 void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
167 printLeaMemReference(MI, OpNo, "subreg64");
170 bool printAsmMRegister(const MachineOperand &MO, char Mode);
171 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
172 unsigned AsmVariant, const char *ExtraCode);
173 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
174 unsigned AsmVariant, const char *ExtraCode);
176 void printMachineInstruction(const MachineInstr *MI);
177 void printSSECC(const MachineInstr *MI, unsigned Op);
178 void printMemReference(const MachineInstr *MI, unsigned Op,
179 const char *Modifier=NULL);
180 void printLeaMemReference(const MachineInstr *MI, unsigned Op,
181 const char *Modifier=NULL);
182 void printPICJumpTableSetLabel(unsigned uid,
183 const MachineBasicBlock *MBB) const;
184 void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
185 const MachineBasicBlock *MBB) const {
186 AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
188 void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
189 const MachineBasicBlock *MBB,
192 void printPICLabel(const MachineInstr *MI, unsigned Op);
193 void printModuleLevelGV(const GlobalVariable* GVar);
195 void PrintPICBaseSymbol() const;
197 bool runOnMachineFunction(MachineFunction &F);
199 void emitFunctionHeader(const MachineFunction &MF);
201 // Necessary for Darwin to print out the apprioriate types of linker stubs
202 StringSet<> FnStubs, GVStubs, HiddenGVStubs;
204 // Necessary for dllexport support
205 StringSet<> DLLExportedFns, DLLExportedGVs;
207 // We have to propagate some information about MachineFunction to
208 // AsmPrinter. It's ok, when we're printing the function, since we have
209 // access to MachineFunction and can get the appropriate MachineFunctionInfo.
210 // Unfortunately, this is not possible when we're printing reference to
211 // Function (e.g. calling it and so on). Even more, there is no way to get the
212 // corresponding MachineFunctions: it can even be not created at all. That's
213 // why we should use additional structure, when we're collecting all necessary
216 // This structure is using e.g. for name decoration for stdcall & fastcall'ed
217 // function, since we have to use arguments' size for decoration.
218 typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
219 FMFInfoMap FunctionInfoMap;
221 void decorateName(std::string& Name, const GlobalValue* GV);
224 } // end namespace llvm