Dan Gohman | 8bc49c2 | 2007-06-25 15:11:25 +0000 | [diff] [blame] | 1 | //===-- X86ATTAsmPrinter.h - Convert X86 LLVM code to AT&T assembly -------===// |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 4ee451d | 2007-12-29 20:36:04 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // AT&T assembly code printer class. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef X86ATTASMPRINTER_H |
| 15 | #define X86ATTASMPRINTER_H |
| 16 | |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 17 | #include "X86.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" |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 24 | #include "llvm/CodeGen/ValueTypes.h" |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 25 | #include "llvm/Support/Compiler.h" |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 26 | |
| 27 | namespace llvm { |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 28 | |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 29 | struct MachineJumpTableInfo; |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 30 | |
| 31 | struct VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter { |
| 32 | DwarfWriter DW; |
| 33 | MachineModuleInfo *MMI; |
| 34 | |
| 35 | const X86Subtarget *Subtarget; |
| 36 | |
| 37 | X86ATTAsmPrinter(std::ostream &O, X86TargetMachine &TM, |
| 38 | const TargetAsmInfo *T) |
| 39 | : AsmPrinter(O, TM, T), DW(O, this, T), MMI(0) { |
| 40 | Subtarget = &TM.getSubtarget<X86Subtarget>(); |
| 41 | } |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 42 | |
| 43 | virtual const char *getPassName() const { |
| 44 | return "X86 AT&T-Style Assembly Printer"; |
| 45 | } |
| 46 | |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 47 | void getAnalysisUsage(AnalysisUsage &AU) const { |
| 48 | AU.setPreservesAll(); |
| 49 | if (Subtarget->isTargetDarwin() || |
| 50 | Subtarget->isTargetELF() || |
| 51 | Subtarget->isTargetCygMing()) { |
| 52 | AU.addRequired<MachineModuleInfo>(); |
| 53 | } |
| 54 | AsmPrinter::getAnalysisUsage(AU); |
| 55 | } |
| 56 | |
| 57 | bool doInitialization(Module &M); |
| 58 | bool doFinalization(Module &M); |
| 59 | |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 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 |
| 63 | /// returns false. |
| 64 | bool printInstruction(const MachineInstr *MI); |
| 65 | |
Chris Lattner | a3b8c57 | 2006-02-06 23:41:19 +0000 | [diff] [blame] | 66 | // These methods are used by the tablegen'erated instruction printer. |
| 67 | void printOperand(const MachineInstr *MI, unsigned OpNo, |
Evan Cheng | 28b51439 | 2006-12-05 19:50:18 +0000 | [diff] [blame] | 68 | const char *Modifier = 0, bool NotRIPRel = false); |
Nate Begeman | 391c5d2 | 2005-11-30 18:54:35 +0000 | [diff] [blame] | 69 | void printi8mem(const MachineInstr *MI, unsigned OpNo) { |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 70 | printMemReference(MI, OpNo); |
| 71 | } |
Nate Begeman | 391c5d2 | 2005-11-30 18:54:35 +0000 | [diff] [blame] | 72 | void printi16mem(const MachineInstr *MI, unsigned OpNo) { |
| 73 | printMemReference(MI, OpNo); |
| 74 | } |
| 75 | void printi32mem(const MachineInstr *MI, unsigned OpNo) { |
| 76 | printMemReference(MI, OpNo); |
| 77 | } |
| 78 | void printi64mem(const MachineInstr *MI, unsigned OpNo) { |
| 79 | printMemReference(MI, OpNo); |
| 80 | } |
Evan Cheng | 470a6ad | 2006-02-22 02:26:30 +0000 | [diff] [blame] | 81 | void printi128mem(const MachineInstr *MI, unsigned OpNo) { |
| 82 | printMemReference(MI, OpNo); |
| 83 | } |
Nate Begeman | 391c5d2 | 2005-11-30 18:54:35 +0000 | [diff] [blame] | 84 | void printf32mem(const MachineInstr *MI, unsigned OpNo) { |
| 85 | printMemReference(MI, OpNo); |
| 86 | } |
| 87 | void printf64mem(const MachineInstr *MI, unsigned OpNo) { |
| 88 | printMemReference(MI, OpNo); |
| 89 | } |
Dale Johannesen | 59a5873 | 2007-08-05 18:49:15 +0000 | [diff] [blame] | 90 | void printf80mem(const MachineInstr *MI, unsigned OpNo) { |
| 91 | printMemReference(MI, OpNo); |
| 92 | } |
Evan Cheng | 223547a | 2006-01-31 22:28:30 +0000 | [diff] [blame] | 93 | void printf128mem(const MachineInstr *MI, unsigned OpNo) { |
Nate Begeman | 391c5d2 | 2005-11-30 18:54:35 +0000 | [diff] [blame] | 94 | printMemReference(MI, OpNo); |
| 95 | } |
Evan Cheng | 25ab690 | 2006-09-08 06:48:29 +0000 | [diff] [blame] | 96 | void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) { |
| 97 | printMemReference(MI, OpNo, "subreg64"); |
| 98 | } |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 99 | |
Evan Cheng | 55c25f2 | 2006-04-28 23:19:39 +0000 | [diff] [blame] | 100 | bool printAsmMRegister(const MachineOperand &MO, const char Mode); |
Evan Cheng | 3d48a90 | 2006-04-28 21:19:05 +0000 | [diff] [blame] | 101 | bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, |
| 102 | unsigned AsmVariant, const char *ExtraCode); |
| 103 | bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, |
| 104 | unsigned AsmVariant, const char *ExtraCode); |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 105 | |
Evan Cheng | 62f2700 | 2006-04-28 23:11:40 +0000 | [diff] [blame] | 106 | void printMachineInstruction(const MachineInstr *MI); |
Nate Begeman | 391c5d2 | 2005-11-30 18:54:35 +0000 | [diff] [blame] | 107 | void printSSECC(const MachineInstr *MI, unsigned Op); |
Evan Cheng | 25ab690 | 2006-09-08 06:48:29 +0000 | [diff] [blame] | 108 | void printMemReference(const MachineInstr *MI, unsigned Op, |
| 109 | const char *Modifier=NULL); |
Evan Cheng | cc41586 | 2007-11-09 01:32:10 +0000 | [diff] [blame] | 110 | void printPICJumpTableSetLabel(unsigned uid, |
| 111 | const MachineBasicBlock *MBB) const; |
| 112 | void printPICJumpTableSetLabel(unsigned uid, unsigned uid2, |
| 113 | const MachineBasicBlock *MBB) const { |
| 114 | AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB); |
| 115 | } |
Anton Korobeynikov | 9de1934 | 2007-11-14 09:18:41 +0000 | [diff] [blame] | 116 | void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI, |
| 117 | const MachineBasicBlock *MBB, |
| 118 | unsigned uid) const; |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 119 | |
Evan Cheng | 7ccced6 | 2006-02-18 00:15:05 +0000 | [diff] [blame] | 120 | void printPICLabel(const MachineInstr *MI, unsigned Op); |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 121 | bool runOnMachineFunction(MachineFunction &F); |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 122 | |
Chris Lattner | afbfded | 2006-10-05 02:43:52 +0000 | [diff] [blame] | 123 | /// getSectionForFunction - Return the section that we should emit the |
| 124 | /// specified function body into. |
| 125 | virtual std::string getSectionForFunction(const Function &F) const; |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 126 | |
Anton Korobeynikov | 1ecf0ee | 2008-06-28 11:09:01 +0000 | [diff] [blame^] | 127 | void emitFunctionHeader(const MachineFunction &MF); |
| 128 | |
Anton Korobeynikov | 75b6882 | 2008-06-28 11:08:27 +0000 | [diff] [blame] | 129 | // Necessary for Darwin to print out the apprioriate types of linker stubs |
| 130 | StringSet<> FnStubs, GVStubs, LinkOnceStubs; |
| 131 | |
| 132 | // Necessary for dllexport support |
| 133 | StringSet<> DLLExportedFns, DLLExportedGVs; |
| 134 | |
| 135 | // We have to propagate some information about MachineFunction to |
| 136 | // AsmPrinter. It's ok, when we're printing the function, since we have |
| 137 | // access to MachineFunction and can get the appropriate MachineFunctionInfo. |
| 138 | // Unfortunately, this is not possible when we're printing reference to |
| 139 | // Function (e.g. calling it and so on). Even more, there is no way to get the |
| 140 | // corresponding MachineFunctions: it can even be not created at all. That's |
| 141 | // why we should use additional structure, when we're collecting all necessary |
| 142 | // information. |
| 143 | // |
| 144 | // This structure is using e.g. for name decoration for stdcall & fastcall'ed |
| 145 | // function, since we have to use arguments' size for decoration. |
| 146 | typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap; |
| 147 | FMFInfoMap FunctionInfoMap; |
| 148 | |
| 149 | void decorateName(std::string& Name, const GlobalValue* GV); |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 150 | }; |
| 151 | |
Chris Lattner | b36cbd0 | 2005-07-01 22:44:09 +0000 | [diff] [blame] | 152 | } // end namespace llvm |
| 153 | |
| 154 | #endif |