bool cmpDISP(const DISubprogram & SP1, const DISubprogram & SP2)
{
int cmp = SP1.getDirectory().compare(SP2.getDirectory());
if (cmp == 0) {
cmp = SP1.getFilename().compare(SP2.getFilename());
if (cmp == 0) {
cmp = SP1.getLineNumber() - SP2.getLineNumber();
}
}
return cmp >= 0 ? false : true;
}
/// addSourceLine - Add location information to specified debug information
/// entry.
void CompileUnit::addSourceLine(DIE *Die, DISubprogram SP) {
// Verify subprogram.
if (!SP.Verify())
return;
// If the line number is 0, don't add it.
if (SP.getLineNumber() == 0)
return;
unsigned Line = SP.getLineNumber();
if (!SP.getContext().Verify())
return;
unsigned FileID = DD->GetOrCreateSourceID(SP.getFilename(), SP.getDirectory());
assert(FileID && "Invalid file id");
addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID);
addUInt(Die, dwarf::DW_AT_decl_line, 0, Line);
}
