1 //===- lib/MC/MCLoggingStreamer.cpp - API Logging Streamer ----------------===//
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 #include "llvm/MC/MCStreamer.h"
11 #include "llvm/ADT/OwningPtr.h"
12 #include "llvm/ADT/Twine.h"
13 #include "llvm/Support/raw_ostream.h"
18 class MCLoggingStreamer : public MCStreamer {
19 llvm::OwningPtr<MCStreamer> Child;
24 MCLoggingStreamer(MCStreamer *_Child, raw_ostream &_OS)
25 : MCStreamer(_Child->getContext()), Child(_Child), OS(_OS) {}
27 void LogCall(const char *Function) {
28 OS << Function << "\n";
31 void LogCall(const char *Function, const Twine &Message) {
32 OS << Function << ": " << Message << "\n";
35 virtual bool isVerboseAsm() const { return Child->isVerboseAsm(); }
37 virtual bool hasRawTextSupport() const { return Child->hasRawTextSupport(); }
39 virtual raw_ostream &GetCommentOS() { return Child->GetCommentOS(); }
41 virtual void AddComment(const Twine &T) {
42 LogCall("AddComment", T);
43 return Child->AddComment(T);
46 virtual void AddBlankLine() {
47 LogCall("AddBlankLine");
48 return Child->AddBlankLine();
51 virtual void SwitchSection(const MCSection *Section) {
53 LogCall("SwitchSection");
54 return Child->SwitchSection(Section);
57 virtual void InitSections() {
58 LogCall("InitSections");
59 return Child->InitSections();
62 virtual void EmitLabel(MCSymbol *Symbol) {
64 return Child->EmitLabel(Symbol);
67 virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) {
68 LogCall("EmitAssemblerFlag");
69 return Child->EmitAssemblerFlag(Flag);
72 virtual void EmitThumbFunc(MCSymbol *Func) {
73 LogCall("EmitThumbFunc");
74 return Child->EmitThumbFunc(Func);
77 virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
78 LogCall("EmitAssignment");
79 return Child->EmitAssignment(Symbol, Value);
82 virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) {
83 LogCall("EmitWeakReference");
84 return Child->EmitWeakReference(Alias, Symbol);
87 virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) {
88 LogCall("EmitSymbolAttribute");
89 return Child->EmitSymbolAttribute(Symbol, Attribute);
92 virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
93 LogCall("EmitSymbolDesc");
94 return Child->EmitSymbolDesc(Symbol, DescValue);
97 virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol) {
98 LogCall("BeginCOFFSymbolDef");
99 return Child->BeginCOFFSymbolDef(Symbol);
102 virtual void EmitCOFFSymbolStorageClass(int StorageClass) {
103 LogCall("EmitCOFFSymbolStorageClass");
104 return Child->EmitCOFFSymbolStorageClass(StorageClass);
107 virtual void EmitCOFFSymbolType(int Type) {
108 LogCall("EmitCOFFSymbolType");
109 return Child->EmitCOFFSymbolType(Type);
112 virtual void EndCOFFSymbolDef() {
113 LogCall("EndCOFFSymbolDef");
114 return Child->EndCOFFSymbolDef();
117 virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
118 LogCall("EmitELFSize");
119 return Child->EmitELFSize(Symbol, Value);
122 virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
123 unsigned ByteAlignment) {
124 LogCall("EmitCommonSymbol");
125 return Child->EmitCommonSymbol(Symbol, Size, ByteAlignment);
128 virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size) {
129 LogCall("EmitLocalCommonSymbol");
130 return Child->EmitLocalCommonSymbol(Symbol, Size);
133 virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
134 unsigned Size = 0, unsigned ByteAlignment = 0) {
135 LogCall("EmitZerofill");
136 return Child->EmitZerofill(Section, Symbol, Size, ByteAlignment);
139 virtual void EmitTBSSSymbol (const MCSection *Section, MCSymbol *Symbol,
140 uint64_t Size, unsigned ByteAlignment = 0) {
141 LogCall("EmitTBSSSymbol");
142 return Child->EmitTBSSSymbol(Section, Symbol, Size, ByteAlignment);
145 virtual void EmitBytes(StringRef Data, unsigned AddrSpace) {
146 LogCall("EmitBytes");
147 return Child->EmitBytes(Data, AddrSpace);
150 virtual void EmitValue(const MCExpr *Value, unsigned Size,unsigned AddrSpace,
151 bool UseSet = false){
152 LogCall("EmitValue");
153 return Child->EmitValue(Value, Size, AddrSpace);
156 virtual void EmitULEB128Value(const MCExpr *Value,
157 unsigned AddrSpace = 0) {
158 LogCall("EmitULEB128Value");
159 return Child->EmitULEB128Value(Value, AddrSpace);
162 virtual void EmitSLEB128Value(const MCExpr *Value,
163 unsigned AddrSpace = 0) {
164 LogCall("EmitSLEB128Value");
165 return Child->EmitSLEB128Value(Value, AddrSpace);
168 virtual void EmitGPRel32Value(const MCExpr *Value) {
169 LogCall("EmitGPRel32Value");
170 return Child->EmitGPRel32Value(Value);
173 virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue,
174 unsigned AddrSpace) {
176 return Child->EmitFill(NumBytes, FillValue, AddrSpace);
179 virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
180 unsigned ValueSize = 1,
181 unsigned MaxBytesToEmit = 0) {
182 LogCall("EmitValueToAlignment");
183 return Child->EmitValueToAlignment(ByteAlignment, Value,
184 ValueSize, MaxBytesToEmit);
187 virtual void EmitCodeAlignment(unsigned ByteAlignment,
188 unsigned MaxBytesToEmit = 0) {
189 LogCall("EmitCodeAlignment");
190 return Child->EmitCodeAlignment(ByteAlignment, MaxBytesToEmit);
193 virtual void EmitValueToOffset(const MCExpr *Offset,
194 unsigned char Value = 0) {
195 LogCall("EmitValueToOffset");
196 return Child->EmitValueToOffset(Offset, Value);
199 virtual void EmitFileDirective(StringRef Filename) {
200 LogCall("EmitFileDirective", "FileName:" + Filename);
201 return Child->EmitFileDirective(Filename);
204 virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Filename) {
205 LogCall("EmitDwarfFileDirective",
206 "FileNo:" + Twine(FileNo) + " Filename:" + Filename);
207 return Child->EmitDwarfFileDirective(FileNo, Filename);
210 virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
211 unsigned Column, unsigned Flags,
212 unsigned Isa, unsigned Discriminator) {
213 LogCall("EmitDwarfLocDirective",
214 "FileNo:" + Twine(FileNo) + " Line:" + Twine(Line) +
215 " Column:" + Twine(Column) + " Flags:" + Twine(Flags) +
216 " Isa:" + Twine(Isa) + " Discriminator:" + Twine(Discriminator));
217 return Child->EmitDwarfLocDirective(FileNo, Line, Column, Flags,
221 virtual void EmitInstruction(const MCInst &Inst) {
222 LogCall("EmitInstruction");
223 return Child->EmitInstruction(Inst);
226 virtual void EmitRawText(StringRef String) {
227 LogCall("EmitRawText", "\"" + String + "\"");
228 return Child->EmitRawText(String);
231 virtual void Finish() {
233 return Child->Finish();
238 } // end anonymous namespace.
240 MCStreamer *llvm::createLoggingStreamer(MCStreamer *Child, raw_ostream &OS) {
241 return new MCLoggingStreamer(Child, OS);