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;
37 explicit X86ATTAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
38 const TargetAsmInfo *T, bool V)
39 : AsmPrinter(O, TM, T, V) {
40 Subtarget = &TM.getSubtarget<X86Subtarget>();
43 virtual const char *getPassName() const {
44 return "X86 AT&T-Style Assembly Printer";
47 void getAnalysisUsage(AnalysisUsage &AU) const {
49 if (Subtarget->isTargetDarwin() ||
50 Subtarget->isTargetELF() ||
51 Subtarget->isTargetCygMing()) {
52 AU.addRequired<MachineModuleInfo>();
54 AU.addRequired<DwarfWriter>();
55 AsmPrinter::getAnalysisUsage(AU);
58 bool doFinalization(Module &M);
60 /// printInstruction - This method is automatically generated by tablegen
61 /// from the instruction set description. This method returns true if the
62 /// machine instruction was sufficiently described to print it, otherwise it
64 void printInstruction(const MachineInstr *MI);
67 // New MCInst printing stuff.
68 void printInstruction(const MCInst *MI);
70 virtual void printMCInst(const MCInst *MI) { printInstruction(MI); }
72 void printSymbolOperand(const MachineOperand &MO);
73 void printOperand(const MCInst *MI, unsigned OpNo,
74 const char *Modifier = 0);
75 void printMemReference(const MCInst *MI, unsigned Op);
76 void printLeaMemReference(const MCInst *MI, unsigned Op);
77 void printSSECC(const MCInst *MI, unsigned Op);
78 void printPICLabel(const MCInst *MI, unsigned Op);
79 void print_pcrel_imm(const MCInst *MI, unsigned OpNo);
81 void printi8mem(const MCInst *MI, unsigned OpNo) {
82 printMemReference(MI, OpNo);
84 void printi16mem(const MCInst *MI, unsigned OpNo) {
85 printMemReference(MI, OpNo);
87 void printi32mem(const MCInst *MI, unsigned OpNo) {
88 printMemReference(MI, OpNo);
90 void printi64mem(const MCInst *MI, unsigned OpNo) {
91 printMemReference(MI, OpNo);
93 void printi128mem(const MCInst *MI, unsigned OpNo) {
94 printMemReference(MI, OpNo);
96 void printf32mem(const MCInst *MI, unsigned OpNo) {
97 printMemReference(MI, OpNo);
99 void printf64mem(const MCInst *MI, unsigned OpNo) {
100 printMemReference(MI, OpNo);
102 void printf80mem(const MCInst *MI, unsigned OpNo) {
103 printMemReference(MI, OpNo);
105 void printf128mem(const MCInst *MI, unsigned OpNo) {
106 printMemReference(MI, OpNo);
108 void printlea32mem(const MCInst *MI, unsigned OpNo) {
109 printLeaMemReference(MI, OpNo);
111 void printlea64mem(const MCInst *MI, unsigned OpNo) {
112 printLeaMemReference(MI, OpNo);
114 void printlea64_32mem(const MCInst *MI, unsigned OpNo) {
115 printLeaMemReference(MI, OpNo);
120 // These methods are used by the tablegen'erated instruction printer.
121 void printOperand(const MachineInstr *MI, unsigned OpNo,
122 const char *Modifier = 0);
123 void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo);
124 void printi8mem(const MachineInstr *MI, unsigned OpNo) {
125 printMemReference(MI, OpNo);
127 void printi16mem(const MachineInstr *MI, unsigned OpNo) {
128 printMemReference(MI, OpNo);
130 void printi32mem(const MachineInstr *MI, unsigned OpNo) {
131 printMemReference(MI, OpNo);
133 void printi64mem(const MachineInstr *MI, unsigned OpNo) {
134 printMemReference(MI, OpNo);
136 void printi128mem(const MachineInstr *MI, unsigned OpNo) {
137 printMemReference(MI, OpNo);
139 void printi256mem(const MachineInstr *MI, unsigned OpNo) {
140 printMemReference(MI, OpNo);
142 void printf32mem(const MachineInstr *MI, unsigned OpNo) {
143 printMemReference(MI, OpNo);
145 void printf64mem(const MachineInstr *MI, unsigned OpNo) {
146 printMemReference(MI, OpNo);
148 void printf80mem(const MachineInstr *MI, unsigned OpNo) {
149 printMemReference(MI, OpNo);
151 void printf128mem(const MachineInstr *MI, unsigned OpNo) {
152 printMemReference(MI, OpNo);
154 void printf256mem(const MachineInstr *MI, unsigned OpNo) {
155 printMemReference(MI, OpNo);
157 void printlea32mem(const MachineInstr *MI, unsigned OpNo) {
158 printLeaMemReference(MI, OpNo);
160 void printlea64mem(const MachineInstr *MI, unsigned OpNo) {
161 printLeaMemReference(MI, OpNo);
163 void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
164 printLeaMemReference(MI, OpNo, "subreg64");
167 bool printAsmMRegister(const MachineOperand &MO, char Mode);
168 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
169 unsigned AsmVariant, const char *ExtraCode);
170 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
171 unsigned AsmVariant, const char *ExtraCode);
173 void printMachineInstruction(const MachineInstr *MI);
174 void printSSECC(const MachineInstr *MI, unsigned Op);
175 void printMemReference(const MachineInstr *MI, unsigned Op,
176 const char *Modifier=NULL);
177 void printLeaMemReference(const MachineInstr *MI, unsigned Op,
178 const char *Modifier=NULL);
179 void printPICJumpTableSetLabel(unsigned uid,
180 const MachineBasicBlock *MBB) const;
181 void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
182 const MachineBasicBlock *MBB) const {
183 AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
185 void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
186 const MachineBasicBlock *MBB,
189 void printPICLabel(const MachineInstr *MI, unsigned Op);
190 void PrintGlobalVariable(const GlobalVariable* GVar);
192 void PrintPICBaseSymbol() const;
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 StringMap<std::string> FnStubs, GVStubs, HiddenGVStubs;
201 // Necessary for dllexport support
202 StringSet<> CygMingStubs, 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 DecorateCygMingName(std::string &Name, const GlobalValue *GV);
221 } // end namespace llvm