AsmPrinter.h revision bda9b0ec7bd6974cebf751ecd23c5434b34054e9
1a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner//===-- llvm/CodeGen/AsmPrinter.h - AsmPrinter Framework --------*- C++ -*-===// 2ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 3a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// The LLVM Compiler Infrastructure 4a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// 5a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// This file was developed by the LLVM research group and is distributed under 6a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// the University of Illinois Open Source License. See LICENSE.TXT for details. 7ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 8a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner//===----------------------------------------------------------------------===// 9a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// 10563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey// This file contains a class to be used as the base class for target specific 11563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey// asm writers. This class primarily handles common functionality used by 12563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey// all asm writers. 13a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner// 14a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner//===----------------------------------------------------------------------===// 15a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 16a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner#ifndef LLVM_CODEGEN_ASMPRINTER_H 17a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner#define LLVM_CODEGEN_ASMPRINTER_H 18a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 19a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner#include "llvm/CodeGen/MachineFunctionPass.h" 20190f3ba2aa58dc2e73a5f90dff15015a1ffa226bChris Lattner#include "llvm/Support/DataTypes.h" 2115404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola#include <set> 22a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 23a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattnernamespace llvm { 24a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner class Constant; 25c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen class ConstantArray; 26ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner class GlobalVariable; 272d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng class MachineConstantPoolEntry; 28d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng class MachineConstantPoolValue; 29563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey class Mangler; 30563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey class TargetAsmInfo; 31563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey 32a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 33563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey /// AsmPrinter - This class is intended to be used as a driving class for all 34563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey /// asm writers. 35a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner class AsmPrinter : public MachineFunctionPass { 36d5ab7e1c54c961b447395f17b569acdf18776c5aChris Lattner /// FunctionNumber - This provides a unique ID for each function emitted in 37d5ab7e1c54c961b447395f17b569acdf18776c5aChris Lattner /// this translation unit. It is autoincremented by SetupMachineFunction, 38d5ab7e1c54c961b447395f17b569acdf18776c5aChris Lattner /// and can be accessed with getFunctionNumber() and 39d5ab7e1c54c961b447395f17b569acdf18776c5aChris Lattner /// IncrementFunctionNumber(). 40d5ab7e1c54c961b447395f17b569acdf18776c5aChris Lattner /// 41d5ab7e1c54c961b447395f17b569acdf18776c5aChris Lattner unsigned FunctionNumber; 42a7cea6f599418a579ab5ce66413fba7efa8bf581Jim Laskey 4315404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola protected: 4415404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola // Necessary for external weak linkage support 4515404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola std::set<const GlobalValue*> ExtWeakSymbols; 4615404d060ba8b604c03b9223a0f2e2abcd0fddedRafael Espindola 47b2efb853f00d45b1c8d57f92acd0028fbdeffda6Jim Laskey public: 48a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// Output stream on which we're printing assembly code. 49a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// 50a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner std::ostream &O; 51a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 52a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// Target machine description. 53a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// 54a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner TargetMachine &TM; 55563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey 56563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey /// Target Asm Printer information. 57563321a2582851c653d0863e8e0bba3d483734f9Jim Laskey /// 58a0f3d17daac73c9c71aad497b298cbe82848f726Jim Laskey const TargetAsmInfo *TAI; 59a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 60a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// Name-mangler for global names. 61a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// 62a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner Mangler *Mang; 63a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 64a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// Cache of mangled name for current function. This is recalculated at the 65a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// beginning of each call to runOnMachineFunction(). 66a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// 67a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner std::string CurrentFnName; 6897e32e3239c0f065698f8c004b2b3009162f5ed6Chris Lattner 6989d67faf30ed1a8b5364f53c9a0f5e07a9a0719cJim Laskey /// CurrentSection - The current section we are emitting to. This is 7089d67faf30ed1a8b5364f53c9a0f5e07a9a0719cJim Laskey /// controlled and used by the SwitchSection method. 7189d67faf30ed1a8b5364f53c9a0f5e07a9a0719cJim Laskey std::string CurrentSection; 72b2efb853f00d45b1c8d57f92acd0028fbdeffda6Jim Laskey 73b2efb853f00d45b1c8d57f92acd0028fbdeffda6Jim Laskey protected: 74a0f3d17daac73c9c71aad497b298cbe82848f726Jim Laskey AsmPrinter(std::ostream &o, TargetMachine &TM, const TargetAsmInfo *T); 75ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 76a7cea6f599418a579ab5ce66413fba7efa8bf581Jim Laskey public: 77f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// SwitchToTextSection - Switch to the specified section of the executable 78f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// if we are not already in it! If GV is non-null and if the global has an 79e2b1f1188fd8c28977b5cf2a6842fc7bbb008713Chris Lattner /// explicitly requested section, we switch to the section indicated for the 80e2b1f1188fd8c28977b5cf2a6842fc7bbb008713Chris Lattner /// global instead of NewSection. 81e2b1f1188fd8c28977b5cf2a6842fc7bbb008713Chris Lattner /// 82e2b1f1188fd8c28977b5cf2a6842fc7bbb008713Chris Lattner /// If the new section is an empty string, this method forgets what the 83e2b1f1188fd8c28977b5cf2a6842fc7bbb008713Chris Lattner /// current section is, but does not emit a .section directive. 84e2b1f1188fd8c28977b5cf2a6842fc7bbb008713Chris Lattner /// 85f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// This method is used when about to emit executable code. 86f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// 87b52cf1f1947513c1079a08763594fbb5721e80b5Anton Korobeynikov void SwitchToTextSection(const char *NewSection, const GlobalValue *GV = NULL); 88d5ab7e1c54c961b447395f17b569acdf18776c5aChris Lattner 89f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// SwitchToDataSection - Switch to the specified section of the executable 90f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// if we are not already in it! If GV is non-null and if the global has an 91f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// explicitly requested section, we switch to the section indicated for the 92f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// global instead of NewSection. 93f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// 94f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// If the new section is an empty string, this method forgets what the 95f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// current section is, but does not emit a .section directive. 96f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// 97f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// This method is used when about to emit data. For most assemblers, this 98f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// is the same as the SwitchToTextSection method, but not all assemblers 99f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// are the same. 100f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner /// 101b52cf1f1947513c1079a08763594fbb5721e80b5Anton Korobeynikov void SwitchToDataSection(const char *NewSection, const GlobalValue *GV = NULL); 102f668ffc4c2cf3da8ef0948b316d971c4b41b0e05Chris Lattner 103a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey /// getGlobalLinkName - Returns the asm/link name of of the specified 104a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey /// global variable. Should be overridden by each target asm printer to 105a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey /// generate the appropriate value. 10699e41eed6d8b89b2ba4807625d13d08d85ea493dJim Laskey virtual const std::string getGlobalLinkName(const GlobalVariable *GV) const; 107a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey 108bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey /// EmitExternalGlobal - Emit the external reference to a global variable. 109bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey /// Should be overridden if an indirect reference should be used. 110bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey virtual void EmitExternalGlobal(const GlobalVariable *GV); 111bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey 112a7cea6f599418a579ab5ce66413fba7efa8bf581Jim Laskey protected: 113a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// doInitialization - Set up the AsmPrinter when we are working on a new 114a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// module. If your pass overrides this, it must make sure to explicitly 115a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// call this implementation. 116a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner bool doInitialization(Module &M); 117a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 118a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// doFinalization - Shut down the asmprinter. If you override this in your 119a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// pass, you must make sure to call it explicitly. 120a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner bool doFinalization(Module &M); 1213ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner 1223ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner /// PrintSpecial - Print information related to the specified machine instr 1233ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner /// that is independent of the operand, and may be independent of the instr 1243ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner /// itself. This can be useful for portably encoding the comment character 1253ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner /// or other bits of target-specific knowledge into the asmstrings. The 1263ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner /// syntax used is ${:comment}. Targets can override this to add support 1273ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner /// for their own strange codes. 1283ce9b67e0c0f171c6d09c19407930ce6989f1b9dChris Lattner virtual void PrintSpecial(const MachineInstr *MI, const char *Code); 12947cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner 13047cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner /// PrintAsmOperand - Print the specified operand of MI, an INLINEASM 13147cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner /// instruction, using the specified assembler variant. Targets should 132b44b5094110508e2381615b15077b388364f7e8aChris Lattner /// override this to format as appropriate. This method can return true if 13347cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner /// the operand is erroneous. 13447cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 135f483e58212d018f8b2ec760f59089e72defab5cfChris Lattner unsigned AsmVariant, const char *ExtraCode); 136b2efb853f00d45b1c8d57f92acd0028fbdeffda6Jim Laskey 137b44b5094110508e2381615b15077b388364f7e8aChris Lattner /// PrintAsmMemoryOperand - Print the specified operand of MI, an INLINEASM 138b44b5094110508e2381615b15077b388364f7e8aChris Lattner /// instruction, using the specified assembler variant as an address. 139b44b5094110508e2381615b15077b388364f7e8aChris Lattner /// Targets should override this to format as appropriate. This method can 140b44b5094110508e2381615b15077b388364f7e8aChris Lattner /// return true if the operand is erroneous. 141b44b5094110508e2381615b15077b388364f7e8aChris Lattner virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, 142b44b5094110508e2381615b15077b388364f7e8aChris Lattner unsigned AsmVariant, 143b44b5094110508e2381615b15077b388364f7e8aChris Lattner const char *ExtraCode); 144b44b5094110508e2381615b15077b388364f7e8aChris Lattner 1451279b7c2a9849b499d5997d7efb5c0d6e902ca62Chris Lattner /// getSectionForFunction - Return the section that we should emit the 1461279b7c2a9849b499d5997d7efb5c0d6e902ca62Chris Lattner /// specified function body into. This defaults to 'TextSection'. This 1471279b7c2a9849b499d5997d7efb5c0d6e902ca62Chris Lattner /// should most likely be overridden by the target to put linkonce/weak 1481279b7c2a9849b499d5997d7efb5c0d6e902ca62Chris Lattner /// functions into special sections. 1491279b7c2a9849b499d5997d7efb5c0d6e902ca62Chris Lattner virtual std::string getSectionForFunction(const Function &F) const; 1501279b7c2a9849b499d5997d7efb5c0d6e902ca62Chris Lattner 1516fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner /// SetupMachineFunction - This should be called when a new MachineFunction 152a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// is being processed from runOnMachineFunction. 1536fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner void SetupMachineFunction(MachineFunction &MF); 15497e32e3239c0f065698f8c004b2b3009162f5ed6Chris Lattner 15547cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner /// getFunctionNumber - Return a unique ID for the current function. 15647cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner /// 15747cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner unsigned getFunctionNumber() const { return FunctionNumber; } 15847cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner 15947cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner /// IncrementFunctionNumber - Increase Function Number. AsmPrinters should 16047cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner /// not normally call this, as the counter is automatically bumped by 16147cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner /// SetupMachineFunction. 16247cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner void IncrementFunctionNumber() { FunctionNumber++; } 16347cf4eda9faa3c0b063337d0eb4ea83aba8cb329Chris Lattner 164ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner /// EmitConstantPool - Print to the current output stream assembly 165ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner /// representations of the constants in the constant pool MCP. This is 166ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner /// used to print out constants which have been "spilled to memory" by 167ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner /// the code generator. 168ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner /// 1692d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng void EmitConstantPool(MachineConstantPool *MCP); 170a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 17137efe6764568a3829fee26aba532283131d1a104Nate Begeman /// EmitJumpTableInfo - Print assembly representations of the jump tables 17237efe6764568a3829fee26aba532283131d1a104Nate Begeman /// used by the current function to the current output stream. 17337efe6764568a3829fee26aba532283131d1a104Nate Begeman /// 1741da31ee472b9615d7329c656e2cc17c419ed7c95Chris Lattner void EmitJumpTableInfo(MachineJumpTableInfo *MJTI, MachineFunction &MF); 17537efe6764568a3829fee26aba532283131d1a104Nate Begeman 176ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner /// EmitSpecialLLVMGlobal - Check to see if the specified global is a 177ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner /// special global used by LLVM. If so, emit it and return true, otherwise 178ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner /// do nothing and return false. 179ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner bool EmitSpecialLLVMGlobal(const GlobalVariable *GV); 180a1a19f803c8fef05db627a8b73c909a50306e9d6Jim Laskey 181f9e56198a39a08272c072211722b3c97ef88853cJim Laskey public: 182f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey //===------------------------------------------------------------------===// 183f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// LEB 128 number encoding. 184f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 185f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// PrintULEB128 - Print a series of hexidecimal values(separated by commas) 186f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// representing an unsigned leb128 value. 187f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void PrintULEB128(unsigned Value) const; 188f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 189f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// SizeULEB128 - Compute the number of bytes required for an unsigned 190f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// leb128 value. 191f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey static unsigned SizeULEB128(unsigned Value); 192f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 193f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// PrintSLEB128 - Print a series of hexidecimal values(separated by commas) 194f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// representing a signed leb128 value. 195f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void PrintSLEB128(int Value) const; 196f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 197f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// SizeSLEB128 - Compute the number of bytes required for a signed leb128 198f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// value. 199f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey static unsigned SizeSLEB128(int Value); 200f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 201f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey //===------------------------------------------------------------------===// 202f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey // Emission and print routines 203f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey // 204f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 205f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// PrintHex - Print a value as a hexidecimal value. 206f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// 207f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void PrintHex(int Value) const; 208f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 209f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// EOL - Print a newline character to asm stream. If a comment is present 210f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// then it will be printed first. Comments should not contain '\n'. 211bda9b0ec7bd6974cebf751ecd23c5434b34054e9Jim Laskey void EOL() const; 212f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void EOL(const std::string &Comment) const; 213f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 214f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// EmitULEB128Bytes - Emit an assembler byte data directive to compose an 215f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// unsigned leb128 value. 216f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void EmitULEB128Bytes(unsigned Value) const; 217f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 218f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// EmitSLEB128Bytes - print an assembler byte data directive to compose a 219f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// signed leb128 value. 220f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void EmitSLEB128Bytes(int Value) const; 221f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 222f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// EmitInt8 - Emit a byte directive and value. 223f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// 224f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void EmitInt8(int Value) const; 225f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 226f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// EmitInt16 - Emit a short directive and value. 227f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// 228f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void EmitInt16(int Value) const; 229f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 230f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// EmitInt32 - Emit a long directive and value. 231f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// 232f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void EmitInt32(int Value) const; 233f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 234f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// EmitInt64 - Emit a long long directive and value. 235f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// 236f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void EmitInt64(uint64_t Value) const; 237f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 238f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// EmitString - Emit a string with quotes and a null terminator. 239f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// Special characters are emitted properly. 240f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey /// \literal (Eg. '\t') \endliteral 241f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey void EmitString(const std::string &String) const; 242f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 243f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey //===------------------------------------------------------------------===// 244f1cdea1d021068f5c9e118d68321ce28fcea63faJim Laskey 2456fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner /// EmitAlignment - Emit an alignment directive to the specified power of 246bfddc2030a7e67b9e0c42276525d6932375ff261Chris Lattner /// two boundary. For example, if you pass in 3 here, you will get an 8 247a1ab72daadbdc5b499ce7e7e97c4b80efad46736Chris Lattner /// byte alignment. If a global value is specified, and if that global has 248a1ab72daadbdc5b499ce7e7e97c4b80efad46736Chris Lattner /// an explicit alignment requested, it will override the alignment request. 2496fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner void EmitAlignment(unsigned NumBits, const GlobalValue *GV = 0) const; 250bfddc2030a7e67b9e0c42276525d6932375ff261Chris Lattner 251f9e56198a39a08272c072211722b3c97ef88853cJim Laskey protected: 2526fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner /// EmitZeros - Emit a block of zeros. 25330bad4af40d0126f888f601fb46d01e2b39dbc43Chris Lattner /// 254c6a057b04db506152c98355b51ba15d82a15b90aJeff Cohen void EmitZeros(uint64_t NumZeros) const; 255c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen 256c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen /// EmitString - Emit a zero-byte-terminated string constant. 257c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen /// 258c884db47f1a1d5449b749e6528292451e49025e4Jeff Cohen virtual void EmitString(const ConstantArray *CVA) const; 25930bad4af40d0126f888f601fb46d01e2b39dbc43Chris Lattner 2606fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner /// EmitConstantValueOnly - Print out the specified constant, without a 261a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner /// storage class. Only constants of first-class type are allowed here. 2626fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner void EmitConstantValueOnly(const Constant *CV); 26346d6126e669ab83383d47fb465d2a7d0c60169e5Chris Lattner 2646fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner /// EmitGlobalConstant - Print a general LLVM constant to the .s file. 26546d6126e669ab83383d47fb465d2a7d0c60169e5Chris Lattner /// 2666fe3acce749ee2b3714009064626f6c53b06dfb4Chris Lattner void EmitGlobalConstant(const Constant* CV); 267d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 268d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng virtual void EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV); 269ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner 270e736ed19478f05811f08a56706e07fa4ab865401Chris Lattner /// printInlineAsm - This method formats and prints the specified machine 271e736ed19478f05811f08a56706e07fa4ab865401Chris Lattner /// instruction that is an inline asm. 272e736ed19478f05811f08a56706e07fa4ab865401Chris Lattner void printInlineAsm(const MachineInstr *MI) const; 27337efe6764568a3829fee26aba532283131d1a104Nate Begeman 2741ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey /// printLabel - This method prints a local label used by debug and 2751ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey /// exception handling tables. 2761ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey void printLabel(const MachineInstr *MI) const; 2771ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey 27837efe6764568a3829fee26aba532283131d1a104Nate Begeman /// printBasicBlockLabel - This method prints the label for the specified 27937efe6764568a3829fee26aba532283131d1a104Nate Begeman /// MachineBasicBlock 280cdf38c4edb892c356cfaa3c09c57728bc8d6bfd0Nate Begeman virtual void printBasicBlockLabel(const MachineBasicBlock *MBB, 281cdf38c4edb892c356cfaa3c09c57728bc8d6bfd0Nate Begeman bool printColon = false, 282cdf38c4edb892c356cfaa3c09c57728bc8d6bfd0Nate Begeman bool printComment = true) const; 28352a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman 28452a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman /// printSetLabel - This method prints a set label for the specified 28552a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman /// MachineBasicBlock 28652a51e38dc312aa262b0d771419afe1785f3cb22Nate Begeman void printSetLabel(unsigned uid, const MachineBasicBlock *MBB) const; 28741349c10cbb166c58a20896e4761455f001c611eEvan Cheng void printSetLabel(unsigned uid, unsigned uid2, 28841349c10cbb166c58a20896e4761455f001c611eEvan Cheng const MachineBasicBlock *MBB) const; 289d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 290d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng /// printDataDirective - This method prints the asm directive for the 291d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng /// specified type. 292d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng void printDataDirective(const Type *type); 293d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 294ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner private: 295cb05af852f1d346ac07b84c74a930a5cdbd6d427Chris Lattner void EmitLLVMUsedList(Constant *List); 296ed13893ff729bc3b91697f6d80a3ba303782efccChris Lattner void EmitXXStructorList(Constant *List); 2972d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng void EmitConstantPool(unsigned Alignment, const char *Section, 2982d2cec1e9e93a388bd8448f4bad661ac89a49de3Evan Cheng std::vector<std::pair<MachineConstantPoolEntry,unsigned> > &CP); 299b2efb853f00d45b1c8d57f92acd0028fbdeffda6Jim Laskey 300a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner }; 301a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner} 302a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner 303a80ba71efe5be5012128e2db0dd29b024e00105aChris Lattner#endif 304