Prepare LLVM to fix PR14625, exposing a hook in MCContext to manage the
compilation directory.
This defaults to the current working directory, just as it always has,
but now an assembler can choose to override it with a custom directory.
I've taught llvm-mc about this option and added a test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170371 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index 15cacfa..c12a93d 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -157,6 +157,10 @@
GenDwarfForAssembly("g", cl::desc("Generate dwarf debugging info for assembly "
"source files"));
+static cl::opt<std::string>
+DebugCompilationDir("fdebug-compilation-dir",
+ cl::desc("Specifies the debug info's compilation dir"));
+
enum ActionType {
AC_AsLex,
AC_Assemble,
@@ -389,8 +393,10 @@
Ctx.setAllowTemporaryLabels(false);
Ctx.setGenDwarfForAssembly(GenDwarfForAssembly);
- if (!DwarfDebugFlags.empty())
+ if (!DwarfDebugFlags.empty())
Ctx.setDwarfDebugFlags(StringRef(DwarfDebugFlags));
+ if (!DebugCompilationDir.empty())
+ Ctx.setCompilationDir(DebugCompilationDir);
// Package up features to be passed to target/subtarget
std::string FeaturesStr;