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There is no need to use separate dir name for AT_comp_dir attribute. Using absolute path for filename allows clients to query complete file location info from gdb breakpoints. Save constructed full file name. 

llvm-svn: 109263
This commit is contained in:
Devang Patel 2010-07-23 20:38:37 +00:00
parent 3032354bbe
commit 28f167699a
1 changed files with 15 additions and 8 deletions
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23
clang/lib/CodeGen/CGDebugInfo.cpp
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@ -188,18 +188,25 @@ void CGDebugInfo::CreateCompileUnit() {
if (MainFileName.empty())
MainFileName = "<unknown>";
llvm::sys::Path AbsFileName(MainFileName);
AbsFileName.makeAbsolute();
// The main file name provided via the "-main-file-name" option contains just
// the file name itself with no path information. This file name may have had
// a relative path, so we look into the actual file entry for the main
// file to determine the real absolute path for the file.
std::string MainFileDir;
if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID()))
char *FileNamePtr = NULL;
if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID())) {
std::string MainFileDir;
MainFileDir = MainFile->getDir()->getName();
else
MainFileDir = AbsFileName.getDirname();
llvm::sys::Path AbsFileDirName(MainFileDir);
AbsFileDirName.makeAbsolute();
AbsFileDirName.appendComponent(MainFileName);
FileNamePtr = DebugInfoNames.Allocate<char>(AbsFileDirName.size());
memcpy(FileNamePtr, AbsFileDirName.c_str(), AbsFileDirName.size());
} else {
llvm::sys::Path AbsFileDirName(MainFileName);
AbsFileDirName.makeAbsolute();
FileNamePtr = DebugInfoNames.Allocate<char>(AbsFileDirName.size());
memcpy(FileNamePtr, AbsFileDirName.c_str(), AbsFileDirName.size());
}
unsigned LangTag;
const LangOptions &LO = CGM.getLangOptions();
@ -229,7 +236,7 @@ void CGDebugInfo::CreateCompileUnit() {
// Create new compile unit.
TheCU = DebugFactory.CreateCompileUnit(
LangTag, AbsFileName.getLast(), MainFileDir, Producer, true,
LangTag, FileNamePtr, llvm::StringRef(), Producer, true,
LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers);
}