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 ChangeSection(const MCSection *Section) {
52 LogCall("ChangeSection");
53 return Child->ChangeSection(Section);
56 virtual void InitSections() {
57 LogCall("InitSections");
58 return Child->InitSections();
61 virtual void EmitLabel(MCSymbol *Symbol) {
63 return Child->EmitLabel(Symbol);
66 virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) {
67 LogCall("EmitAssemblerFlag");
68 return Child->EmitAssemblerFlag(Flag);
71 virtual void EmitThumbFunc(MCSymbol *Func) {
72 LogCall("EmitThumbFunc");
73 return Child->EmitThumbFunc(Func);
76 virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
77 LogCall("EmitAssignment");
78 return Child->EmitAssignment(Symbol, Value);
81 virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) {
82 LogCall("EmitWeakReference");
83 return Child->EmitWeakReference(Alias, Symbol);
86 virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
87 const MCSymbol *LastLabel,
88 const MCSymbol *Label,
89 unsigned PointerSize) {
90 LogCall("EmitDwarfAdvanceLineAddr");
91 return Child->EmitDwarfAdvanceLineAddr(LineDelta, LastLabel, Label,
95 virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) {
96 LogCall("EmitSymbolAttribute");
97 return Child->EmitSymbolAttribute(Symbol, Attribute);
100 virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
101 LogCall("EmitSymbolDesc");
102 return Child->EmitSymbolDesc(Symbol, DescValue);
105 virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol) {
106 LogCall("BeginCOFFSymbolDef");
107 return Child->BeginCOFFSymbolDef(Symbol);
110 virtual void EmitCOFFSymbolStorageClass(int StorageClass) {
111 LogCall("EmitCOFFSymbolStorageClass");
112 return Child->EmitCOFFSymbolStorageClass(StorageClass);
115 virtual void EmitCOFFSymbolType(int Type) {
116 LogCall("EmitCOFFSymbolType");
117 return Child->EmitCOFFSymbolType(Type);
120 virtual void EndCOFFSymbolDef() {
121 LogCall("EndCOFFSymbolDef");
122 return Child->EndCOFFSymbolDef();
125 virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
126 LogCall("EmitELFSize");
127 return Child->EmitELFSize(Symbol, Value);
130 virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
131 unsigned ByteAlignment) {
132 LogCall("EmitCommonSymbol");
133 return Child->EmitCommonSymbol(Symbol, Size, ByteAlignment);
136 virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size) {
137 LogCall("EmitLocalCommonSymbol");
138 return Child->EmitLocalCommonSymbol(Symbol, Size);
141 virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
142 unsigned Size = 0, unsigned ByteAlignment = 0) {
143 LogCall("EmitZerofill");
144 return Child->EmitZerofill(Section, Symbol, Size, ByteAlignment);
147 virtual void EmitTBSSSymbol (const MCSection *Section, MCSymbol *Symbol,
148 uint64_t Size, unsigned ByteAlignment = 0) {
149 LogCall("EmitTBSSSymbol");
150 return Child->EmitTBSSSymbol(Section, Symbol, Size, ByteAlignment);
153 virtual void EmitBytes(StringRef Data, unsigned AddrSpace) {
154 LogCall("EmitBytes");
155 return Child->EmitBytes(Data, AddrSpace);
158 virtual void EmitValueImpl(const MCExpr *Value, unsigned Size,
160 LogCall("EmitValue");
161 return Child->EmitValueImpl(Value, Size, AddrSpace);
164 virtual void EmitULEB128Value(const MCExpr *Value) {
165 LogCall("EmitULEB128Value");
166 return Child->EmitULEB128Value(Value);
169 virtual void EmitSLEB128Value(const MCExpr *Value) {
170 LogCall("EmitSLEB128Value");
171 return Child->EmitSLEB128Value(Value);
174 virtual void EmitGPRel32Value(const MCExpr *Value) {
175 LogCall("EmitGPRel32Value");
176 return Child->EmitGPRel32Value(Value);
179 virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue,
180 unsigned AddrSpace) {
182 return Child->EmitFill(NumBytes, FillValue, AddrSpace);
185 virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
186 unsigned ValueSize = 1,
187 unsigned MaxBytesToEmit = 0) {
188 LogCall("EmitValueToAlignment");
189 return Child->EmitValueToAlignment(ByteAlignment, Value,
190 ValueSize, MaxBytesToEmit);
193 virtual void EmitCodeAlignment(unsigned ByteAlignment,
194 unsigned MaxBytesToEmit = 0) {
195 LogCall("EmitCodeAlignment");
196 return Child->EmitCodeAlignment(ByteAlignment, MaxBytesToEmit);
199 virtual void EmitValueToOffset(const MCExpr *Offset,
200 unsigned char Value = 0) {
201 LogCall("EmitValueToOffset");
202 return Child->EmitValueToOffset(Offset, Value);
205 virtual void EmitFileDirective(StringRef Filename) {
206 LogCall("EmitFileDirective", "FileName:" + Filename);
207 return Child->EmitFileDirective(Filename);
210 virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Filename) {
211 LogCall("EmitDwarfFileDirective",
212 "FileNo:" + Twine(FileNo) + " Filename:" + Filename);
213 return Child->EmitDwarfFileDirective(FileNo, Filename);
216 virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
217 unsigned Column, unsigned Flags,
218 unsigned Isa, unsigned Discriminator,
219 StringRef FileName) {
220 LogCall("EmitDwarfLocDirective",
221 "FileNo:" + Twine(FileNo) + " Line:" + Twine(Line) +
222 " Column:" + Twine(Column) + " Flags:" + Twine(Flags) +
223 " Isa:" + Twine(Isa) + " Discriminator:" + Twine(Discriminator));
224 return Child->EmitDwarfLocDirective(FileNo, Line, Column, Flags,
225 Isa, Discriminator, FileName);
228 virtual void EmitInstruction(const MCInst &Inst) {
229 LogCall("EmitInstruction");
230 return Child->EmitInstruction(Inst);
233 virtual void EmitRawText(StringRef String) {
234 LogCall("EmitRawText", "\"" + String + "\"");
235 return Child->EmitRawText(String);
238 virtual void Finish() {
240 return Child->Finish();
245 } // end anonymous namespace.
247 MCStreamer *llvm::createLoggingStreamer(MCStreamer *Child, raw_ostream &OS) {
248 return new MCLoggingStreamer(Child, OS);