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;
35 class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
36 const X86Subtarget *Subtarget;
38 explicit X86ATTAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
39 const TargetAsmInfo *T, bool V)
40 : AsmPrinter(O, TM, T, V) {
41 Subtarget = &TM.getSubtarget<X86Subtarget>();
44 virtual const char *getPassName() const {
45 return "X86 AT&T-Style Assembly Printer";
48 void getAnalysisUsage(AnalysisUsage &AU) const {
50 if (Subtarget->isTargetDarwin() ||
51 Subtarget->isTargetELF() ||
52 Subtarget->isTargetCygMing()) {
53 AU.addRequired<MachineModuleInfo>();
55 AU.addRequired<DwarfWriter>();
56 AsmPrinter::getAnalysisUsage(AU);
59 bool doFinalization(Module &M);
61 /// printInstruction - This method is automatically generated by tablegen
62 /// from the instruction set description. This method returns true if the
63 /// machine instruction was sufficiently described to print it, otherwise it
65 void printInstruction(const MachineInstr *MI);
68 // New MCInst printing stuff.
69 void printInstruction(const MCInst *MI);
70 MCOperand LowerGlobalAddressOperand(const MachineOperand &MO);
72 virtual void printMCInst(const MCInst *MI) { printInstruction(MI); }
74 void printSymbolOperand(const MachineOperand &MO);
75 void printOperand(const MCInst *MI, unsigned OpNo,
76 const char *Modifier = 0);
77 void printMemReference(const MCInst *MI, unsigned Op);
78 void printLeaMemReference(const MCInst *MI, unsigned Op);
79 void printSSECC(const MCInst *MI, unsigned Op);
80 void printPICLabel(const MCInst *MI, unsigned Op);
81 void print_pcrel_imm(const MCInst *MI, unsigned OpNo);
83 void printi8mem(const MCInst *MI, unsigned OpNo) {
84 printMemReference(MI, OpNo);
86 void printi16mem(const MCInst *MI, unsigned OpNo) {
87 printMemReference(MI, OpNo);
89 void printi32mem(const MCInst *MI, unsigned OpNo) {
90 printMemReference(MI, OpNo);
92 void printi64mem(const MCInst *MI, unsigned OpNo) {
93 printMemReference(MI, OpNo);
95 void printi128mem(const MCInst *MI, unsigned OpNo) {
96 printMemReference(MI, OpNo);
98 void printf32mem(const MCInst *MI, unsigned OpNo) {
99 printMemReference(MI, OpNo);
101 void printf64mem(const MCInst *MI, unsigned OpNo) {
102 printMemReference(MI, OpNo);
104 void printf80mem(const MCInst *MI, unsigned OpNo) {
105 printMemReference(MI, OpNo);
107 void printf128mem(const MCInst *MI, unsigned OpNo) {
108 printMemReference(MI, OpNo);
110 void printlea32mem(const MCInst *MI, unsigned OpNo) {
111 printLeaMemReference(MI, OpNo);
113 void printlea64mem(const MCInst *MI, unsigned OpNo) {
114 printLeaMemReference(MI, OpNo);
116 void printlea64_32mem(const MCInst *MI, unsigned OpNo) {
117 printLeaMemReference(MI, OpNo);
122 // These methods are used by the tablegen'erated instruction printer.
123 void printOperand(const MachineInstr *MI, unsigned OpNo,
124 const char *Modifier = 0);
125 void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo);
126 void printi8mem(const MachineInstr *MI, unsigned OpNo) {
127 printMemReference(MI, OpNo);
129 void printi16mem(const MachineInstr *MI, unsigned OpNo) {
130 printMemReference(MI, OpNo);
132 void printi32mem(const MachineInstr *MI, unsigned OpNo) {
133 printMemReference(MI, OpNo);
135 void printi64mem(const MachineInstr *MI, unsigned OpNo) {
136 printMemReference(MI, OpNo);
138 void printi128mem(const MachineInstr *MI, unsigned OpNo) {
139 printMemReference(MI, OpNo);
141 void printi256mem(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 printf256mem(const MachineInstr *MI, unsigned OpNo) {
157 printMemReference(MI, OpNo);
159 void printlea32mem(const MachineInstr *MI, unsigned OpNo) {
160 printLeaMemReference(MI, OpNo);
162 void printlea64mem(const MachineInstr *MI, unsigned OpNo) {
163 printLeaMemReference(MI, OpNo);
165 void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
166 printLeaMemReference(MI, OpNo, "subreg64");
169 bool printAsmMRegister(const MachineOperand &MO, char Mode);
170 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
171 unsigned AsmVariant, const char *ExtraCode);
172 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
173 unsigned AsmVariant, const char *ExtraCode);
175 void printMachineInstruction(const MachineInstr *MI);
176 void printSSECC(const MachineInstr *MI, unsigned Op);
177 void printMemReference(const MachineInstr *MI, unsigned Op,
178 const char *Modifier=NULL);
179 void printLeaMemReference(const MachineInstr *MI, unsigned Op,
180 const char *Modifier=NULL);
181 void printPICJumpTableSetLabel(unsigned uid,
182 const MachineBasicBlock *MBB) const;
183 void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
184 const MachineBasicBlock *MBB) const {
185 AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
187 void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
188 const MachineBasicBlock *MBB,
191 void printPICLabel(const MachineInstr *MI, unsigned Op);
192 void PrintGlobalVariable(const GlobalVariable* GVar);
194 void PrintPICBaseSymbol() const;
196 bool runOnMachineFunction(MachineFunction &F);
198 void emitFunctionHeader(const MachineFunction &MF);
200 // Necessary for Darwin to print out the apprioriate types of linker stubs
201 StringMap<std::string> FnStubs, GVStubs, HiddenGVStubs;
203 // Necessary for dllexport support
204 StringSet<> CygMingStubs, DLLExportedFns, DLLExportedGVs;
206 // We have to propagate some information about MachineFunction to
207 // AsmPrinter. It's ok, when we're printing the function, since we have
208 // access to MachineFunction and can get the appropriate MachineFunctionInfo.
209 // Unfortunately, this is not possible when we're printing reference to
210 // Function (e.g. calling it and so on). Even more, there is no way to get the
211 // corresponding MachineFunctions: it can even be not created at all. That's
212 // why we should use additional structure, when we're collecting all necessary
215 // This structure is using e.g. for name decoration for stdcall & fastcall'ed
216 // function, since we have to use arguments' size for decoration.
217 typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
218 FMFInfoMap FunctionInfoMap;
220 void DecorateCygMingName(std::string &Name, const GlobalValue *GV);
223 } // end namespace llvm