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path: root/lldb/source/Target/AssertFrameRecognizer.cpp
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Diffstat (limited to 'lldb/source/Target/AssertFrameRecognizer.cpp')
-rw-r--r--lldb/source/Target/AssertFrameRecognizer.cpp36
1 files changed, 33 insertions, 3 deletions
diff --git a/lldb/source/Target/AssertFrameRecognizer.cpp b/lldb/source/Target/AssertFrameRecognizer.cpp
index cb671040d14f..a2315b6d63c6 100644
--- a/lldb/source/Target/AssertFrameRecognizer.cpp
+++ b/lldb/source/Target/AssertFrameRecognizer.cpp
@@ -22,6 +22,10 @@ namespace lldb_private {
struct SymbolLocation {
FileSpec module_spec;
std::vector<ConstString> symbols;
+
+ // The symbols are regular expressions. In such case all symbols are matched
+ // with their trailing @VER symbol version stripped.
+ bool symbols_are_regex = false;
};
/// Fetches the abort frame location depending on the current platform.
@@ -45,6 +49,8 @@ bool GetAbortLocation(llvm::Triple::OSType os, SymbolLocation &location) {
location.symbols.push_back(ConstString("raise"));
location.symbols.push_back(ConstString("__GI_raise"));
location.symbols.push_back(ConstString("gsignal"));
+ location.symbols.push_back(ConstString("pthread_kill"));
+ location.symbols_are_regex = true;
break;
default:
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_UNWIND));
@@ -93,9 +99,33 @@ void RegisterAssertFrameRecognizer(Process *process) {
if (!GetAbortLocation(os, location))
return;
+ if (!location.symbols_are_regex) {
+ target.GetFrameRecognizerManager().AddRecognizer(
+ std::make_shared<AssertFrameRecognizer>(),
+ location.module_spec.GetFilename(), location.symbols,
+ /*first_instruction_only*/ false);
+ return;
+ }
+ std::string module_re = "^";
+ for (char c : location.module_spec.GetFilename().GetStringRef()) {
+ if (c == '.')
+ module_re += '\\';
+ module_re += c;
+ }
+ module_re += '$';
+ std::string symbol_re = "^(";
+ for (auto it = location.symbols.cbegin(); it != location.symbols.cend();
+ ++it) {
+ if (it != location.symbols.cbegin())
+ symbol_re += '|';
+ symbol_re += it->GetStringRef();
+ }
+ // Strip the trailing @VER symbol version.
+ symbol_re += ")(@.*)?$";
target.GetFrameRecognizerManager().AddRecognizer(
- StackFrameRecognizerSP(new AssertFrameRecognizer()),
- location.module_spec.GetFilename(), location.symbols,
+ std::make_shared<AssertFrameRecognizer>(),
+ std::make_shared<RegularExpression>(std::move(module_re)),
+ std::make_shared<RegularExpression>(std::move(symbol_re)),
/*first_instruction_only*/ false);
}
@@ -112,7 +142,7 @@ AssertFrameRecognizer::RecognizeFrame(lldb::StackFrameSP frame_sp) {
if (!GetAssertLocation(os, location))
return RecognizedStackFrameSP();
- const uint32_t frames_to_fetch = 5;
+ const uint32_t frames_to_fetch = 6;
const uint32_t last_frame_index = frames_to_fetch - 1;
StackFrameSP prev_frame_sp = nullptr;