[llvm-symbolizer] Add llvm-addr2line
This adds an alias for llvm-symbolizer with different defaults so that
it can be used as a drop-in replacement for GNU's addr2line.
If a substring "addr2line" is found in the tool's name:
* it defaults "-i", "-f" and "-C" to OFF;
* it uses "--output-style=GNU" by default.
Differential Revision: https://reviews.llvm.org/D60067
llvm-svn: 358749
diff --git a/llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp b/llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp
index aa6635f..0195241 100644
--- a/llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp
+++ b/llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp
@@ -43,7 +43,7 @@
clEnumValN(FunctionNameKind::ShortName, "short",
"print short function name"),
clEnumValN(FunctionNameKind::LinkageName, "linkage",
- "print function linkage name (default)"),
+ "print function linkage name"),
// Sentinel value for unspecified value.
clEnumValN(FunctionNameKind::LinkageName, "", "")));
static cl::alias ClPrintFunctionsShort("f", cl::desc("Alias for -functions"),
@@ -252,8 +252,18 @@
int main(int argc, char **argv) {
InitLLVM X(argc, argv);
+ bool IsAddr2Line = sys::path::stem(argv[0]).contains("addr2line");
+
+ if (IsAddr2Line) {
+ ClDemangle.setInitialValue(false);
+ ClPrintFunctions.setInitialValue(FunctionNameKind::None);
+ ClPrintInlining.setInitialValue(false);
+ ClOutputStyle.setInitialValue(DIPrinter::OutputStyle::GNU);
+ }
+
llvm::sys::InitializeCOMRAII COM(llvm::sys::COMThreadingMode::MultiThreaded);
- cl::ParseCommandLineOptions(argc, argv, "llvm-symbolizer\n");
+ cl::ParseCommandLineOptions(argc, argv, IsAddr2Line ? "llvm-addr2line\n"
+ : "llvm-symbolizer\n");
// If both --demangle and --no-demangle are specified then pick the last one.
if (ClNoDemangle.getPosition() > ClDemangle.getPosition())