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 struct MachineJumpTableInfo;
31 class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
33 MachineModuleInfo *MMI;
34 const X86Subtarget *Subtarget;
36 X86ATTAsmPrinter(raw_ostream &O, X86TargetMachine &TM,
37 const TargetAsmInfo *T, bool F, bool V)
38 : AsmPrinter(O, TM, T, F, V), DW(0), MMI(0) {
39 Subtarget = &TM.getSubtarget<X86Subtarget>();
42 virtual const char *getPassName() const {
43 return "X86 AT&T-Style Assembly Printer";
46 void getAnalysisUsage(AnalysisUsage &AU) const {
48 if (Subtarget->isTargetDarwin() ||
49 Subtarget->isTargetELF() ||
50 Subtarget->isTargetCygMing()) {
51 AU.addRequired<MachineModuleInfo>();
53 AU.addRequired<DwarfWriter>();
54 AsmPrinter::getAnalysisUsage(AU);
57 bool doInitialization(Module &M);
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 bool printInstruction(const MachineInstr *MI);
66 // These methods are used by the tablegen'erated instruction printer.
67 void printOperand(const MachineInstr *MI, unsigned OpNo,
68 const char *Modifier = 0, bool NotRIPRel = false);
69 void printi8mem(const MachineInstr *MI, unsigned OpNo) {
70 printMemReference(MI, OpNo);
72 void printi16mem(const MachineInstr *MI, unsigned OpNo) {
73 printMemReference(MI, OpNo);
75 void printi32mem(const MachineInstr *MI, unsigned OpNo) {
76 printMemReference(MI, OpNo);
78 void printi64mem(const MachineInstr *MI, unsigned OpNo) {
79 printMemReference(MI, OpNo);
81 void printi128mem(const MachineInstr *MI, unsigned OpNo) {
82 printMemReference(MI, OpNo);
84 void printf32mem(const MachineInstr *MI, unsigned OpNo) {
85 printMemReference(MI, OpNo);
87 void printf64mem(const MachineInstr *MI, unsigned OpNo) {
88 printMemReference(MI, OpNo);
90 void printf80mem(const MachineInstr *MI, unsigned OpNo) {
91 printMemReference(MI, OpNo);
93 void printf128mem(const MachineInstr *MI, unsigned OpNo) {
94 printMemReference(MI, OpNo);
96 void printlea32mem(const MachineInstr *MI, unsigned OpNo) {
97 printLeaMemReference(MI, OpNo);
99 void printlea64mem(const MachineInstr *MI, unsigned OpNo) {
100 printLeaMemReference(MI, OpNo);
102 void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
103 printLeaMemReference(MI, OpNo, "subreg64");
106 bool printAsmMRegister(const MachineOperand &MO, const char Mode);
107 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
108 unsigned AsmVariant, const char *ExtraCode);
109 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
110 unsigned AsmVariant, const char *ExtraCode);
112 void printMachineInstruction(const MachineInstr *MI);
113 void printSSECC(const MachineInstr *MI, unsigned Op);
114 void printMemReference(const MachineInstr *MI, unsigned Op,
115 const char *Modifier=NULL);
116 void printLeaMemReference(const MachineInstr *MI, unsigned Op,
117 const char *Modifier=NULL);
118 void printPICJumpTableSetLabel(unsigned uid,
119 const MachineBasicBlock *MBB) const;
120 void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
121 const MachineBasicBlock *MBB) const {
122 AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
124 void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
125 const MachineBasicBlock *MBB,
128 void printPICLabel(const MachineInstr *MI, unsigned Op);
129 void printModuleLevelGV(const GlobalVariable* GVar);
131 void printGVStub(const char *GV, const char *Prefix = NULL);
132 void printHiddenGVStub(const char *GV, const char *Prefix = NULL);
134 bool runOnMachineFunction(MachineFunction &F);
136 void emitFunctionHeader(const MachineFunction &MF);
138 // Necessary for Darwin to print out the apprioriate types of linker stubs
139 StringSet<> FnStubs, GVStubs, HiddenGVStubs;
141 // Necessary for dllexport support
142 StringSet<> DLLExportedFns, DLLExportedGVs;
144 // We have to propagate some information about MachineFunction to
145 // AsmPrinter. It's ok, when we're printing the function, since we have
146 // access to MachineFunction and can get the appropriate MachineFunctionInfo.
147 // Unfortunately, this is not possible when we're printing reference to
148 // Function (e.g. calling it and so on). Even more, there is no way to get the
149 // corresponding MachineFunctions: it can even be not created at all. That's
150 // why we should use additional structure, when we're collecting all necessary
153 // This structure is using e.g. for name decoration for stdcall & fastcall'ed
154 // function, since we have to use arguments' size for decoration.
155 typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
156 FMFInfoMap FunctionInfoMap;
158 void decorateName(std::string& Name, const GlobalValue* GV);
161 } // end namespace llvm