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 struct VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
34 MachineModuleInfo *MMI;
35 const X86Subtarget *Subtarget;
37 X86ATTAsmPrinter(raw_ostream &O, X86TargetMachine &TM,
38 const TargetAsmInfo *T)
39 : AsmPrinter(O, TM, T), DW(0), MMI(0) {
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 doInitialization(Module &M);
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 bool printInstruction(const MachineInstr *MI);
67 // These methods are used by the tablegen'erated instruction printer.
68 void printOperand(const MachineInstr *MI, unsigned OpNo,
69 const char *Modifier = 0, bool NotRIPRel = false);
70 void printi8mem(const MachineInstr *MI, unsigned OpNo) {
71 printMemReference(MI, OpNo);
73 void printi16mem(const MachineInstr *MI, unsigned OpNo) {
74 printMemReference(MI, OpNo);
76 void printi32mem(const MachineInstr *MI, unsigned OpNo) {
77 printMemReference(MI, OpNo);
79 void printi64mem(const MachineInstr *MI, unsigned OpNo) {
80 printMemReference(MI, OpNo);
82 void printi128mem(const MachineInstr *MI, unsigned OpNo) {
83 printMemReference(MI, OpNo);
85 void printf32mem(const MachineInstr *MI, unsigned OpNo) {
86 printMemReference(MI, OpNo);
88 void printf64mem(const MachineInstr *MI, unsigned OpNo) {
89 printMemReference(MI, OpNo);
91 void printf80mem(const MachineInstr *MI, unsigned OpNo) {
92 printMemReference(MI, OpNo);
94 void printf128mem(const MachineInstr *MI, unsigned OpNo) {
95 printMemReference(MI, OpNo);
97 void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
98 printMemReference(MI, OpNo, "subreg64");
101 bool printAsmMRegister(const MachineOperand &MO, const char Mode);
102 bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
103 unsigned AsmVariant, const char *ExtraCode);
104 bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
105 unsigned AsmVariant, const char *ExtraCode);
107 void printMachineInstruction(const MachineInstr *MI);
108 void printSSECC(const MachineInstr *MI, unsigned Op);
109 void printMemReference(const MachineInstr *MI, unsigned Op,
110 const char *Modifier=NULL);
111 void printPICJumpTableSetLabel(unsigned uid,
112 const MachineBasicBlock *MBB) const;
113 void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
114 const MachineBasicBlock *MBB) const {
115 AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
117 void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
118 const MachineBasicBlock *MBB,
121 void printPICLabel(const MachineInstr *MI, unsigned Op);
122 void printModuleLevelGV(const GlobalVariable* GVar);
124 void printGVStub(const char *GV, const char *Prefix = NULL);
125 void printHiddenGVStub(const char *GV, const char *Prefix = NULL);
127 bool runOnMachineFunction(MachineFunction &F);
129 void emitFunctionHeader(const MachineFunction &MF);
131 // Necessary for Darwin to print out the apprioriate types of linker stubs
132 StringSet<> FnStubs, GVStubs, HiddenGVStubs;
134 // Necessary for dllexport support
135 StringSet<> DLLExportedFns, DLLExportedGVs;
137 // We have to propagate some information about MachineFunction to
138 // AsmPrinter. It's ok, when we're printing the function, since we have
139 // access to MachineFunction and can get the appropriate MachineFunctionInfo.
140 // Unfortunately, this is not possible when we're printing reference to
141 // Function (e.g. calling it and so on). Even more, there is no way to get the
142 // corresponding MachineFunctions: it can even be not created at all. That's
143 // why we should use additional structure, when we're collecting all necessary
146 // This structure is using e.g. for name decoration for stdcall & fastcall'ed
147 // function, since we have to use arguments' size for decoration.
148 typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
149 FMFInfoMap FunctionInfoMap;
151 void decorateName(std::string& Name, const GlobalValue* GV);
154 } // end namespace llvm