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Add DebugInfo based APIs to record source line info.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61928 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-01-08 17:19:22 +00:00
parent ce07e99dd6
commit 9f8fcfc018
1 changed files with 43 additions and 4 deletions
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47
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
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@ -1165,6 +1165,26 @@ public:
}; };
//===----------------------------------------------------------------------===//
/// SourceLineInfo - This class is used to record source line correspondence.
///
class SrcLineInfo {
unsigned Line; // Source line number.
unsigned Column; // Source column.
unsigned SourceID; // Source ID number.
unsigned LabelID; // Label in code ID number.
public:
SrcLineInfo(unsigned L, unsigned C, unsigned S, unsigned I)
: Line(L), Column(C), SourceID(S), LabelID(I) {}
// Accessors
unsigned getLine() const { return Line; }
unsigned getColumn() const { return Column; }
unsigned getSourceID() const { return SourceID; }
unsigned getLabelID() const { return LabelID; }
};
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
/// SrcFileInfo - This class is used to track source information. /// SrcFileInfo - This class is used to track source information.
/// ///
@ -1259,7 +1279,7 @@ private:
/// CompileUnits - All the compile units involved in this build. The index /// CompileUnits - All the compile units involved in this build. The index
/// of each entry in this vector corresponds to the sources in MMI. /// of each entry in this vector corresponds to the sources in MMI.
std::vector<CompileUnit *> CompileUnits; std::vector<CompileUnit *> CompileUnits;
DenseMap<GlobalVariable *, CompileUnit *> DW_CUs; DenseMap<Value *, CompileUnit *> DW_CUs;
/// AbbreviationsSet - Used to uniquely define abbreviations. /// AbbreviationsSet - Used to uniquely define abbreviations.
/// ///
@ -1277,6 +1297,9 @@ private:
// SourceFiles - Uniquing vector for source files. // SourceFiles - Uniquing vector for source files.
UniqueVector<SrcFileInfo> SrcFiles; UniqueVector<SrcFileInfo> SrcFiles;
// Lines - List of of source line correspondence.
std::vector<SrcLineInfo> Lines;
FoldingSet<DIEValue> ValuesSet; FoldingSet<DIEValue> ValuesSet;
/// Values - A list of all the unique values in use. /// Values - A list of all the unique values in use.
@ -2539,6 +2562,23 @@ private:
return VariableDie; return VariableDie;
} }
unsigned RecordSourceLine(Value *V, unsigned Line, unsigned Col) {
CompileUnit *Unit = DW_CUs[V];
assert (Unit && "Unable to find CompileUnit");
unsigned ID = NextLabelID();
Lines.push_back(SrcLineInfo(Line, Col, Unit->getID(), ID));
return ID;
}
unsigned getRecordSourceLineCount() {
return Lines.size();
}
unsigned RecordSource(const std::string &Directory,
const std::string &File) {
unsigned DID = Directories.insert(Directory);
return SrcFiles.insert(SrcFileInfo(DID,File));
}
/// RecordRegionStart - Indicate the start of a region. /// RecordRegionStart - Indicate the start of a region.
/// ///
@ -3447,9 +3487,8 @@ private:
for (std::vector<GlobalVariable *>::iterator RI = Result.begin(), for (std::vector<GlobalVariable *>::iterator RI = Result.begin(),
RE = Result.end(); RI != RE; ++RI) { RE = Result.end(); RI != RE; ++RI) {
DICompileUnit *DIUnit = new DICompileUnit(*RI); DICompileUnit *DIUnit = new DICompileUnit(*RI);
unsigned DID = Directories.insert(DIUnit->getDirectory()); unsigned ID = RecordSource(DIUnit->getDirectory(),
unsigned ID = SrcFiles.insert(SrcFileInfo(DID, DIUnit->getFilename());
DIUnit->getFilename()));
DIE *Die = new DIE(DW_TAG_compile_unit); DIE *Die = new DIE(DW_TAG_compile_unit);
AddSectionOffset(Die, DW_AT_stmt_list, DW_FORM_data4, AddSectionOffset(Die, DW_AT_stmt_list, DW_FORM_data4,