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Diffstat (limited to 'lldb/source/Plugins/Process/scripted/ScriptedThread.cpp')
-rw-r--r--lldb/source/Plugins/Process/scripted/ScriptedThread.cpp82
1 files changed, 72 insertions, 10 deletions
diff --git a/lldb/source/Plugins/Process/scripted/ScriptedThread.cpp b/lldb/source/Plugins/Process/scripted/ScriptedThread.cpp
index d0d1508e8517..491efac5aade 100644
--- a/lldb/source/Plugins/Process/scripted/ScriptedThread.cpp
+++ b/lldb/source/Plugins/Process/scripted/ScriptedThread.cpp
@@ -7,6 +7,7 @@
//===----------------------------------------------------------------------===//
#include "ScriptedThread.h"
+#include "ScriptedFrame.h"
#include "Plugins/Process/Utility/RegisterContextThreadMemory.h"
#include "Plugins/Process/Utility/StopInfoMachException.h"
@@ -173,40 +174,101 @@ bool ScriptedThread::LoadArtificialStackFrames() {
.str(),
error, LLDBLog::Thread);
- StackFrameListSP frames = GetStackFrameList();
-
- for (size_t idx = 0; idx < arr_size; idx++) {
+ auto create_frame_from_dict =
+ [this, arr_sp](size_t idx) -> llvm::Expected<StackFrameSP> {
+ Status error;
std::optional<StructuredData::Dictionary *> maybe_dict =
arr_sp->GetItemAtIndexAsDictionary(idx);
- if (!maybe_dict)
- return ScriptedInterface::ErrorWithMessage<bool>(
+ if (!maybe_dict) {
+ ScriptedInterface::ErrorWithMessage<bool>(
LLVM_PRETTY_FUNCTION,
llvm::Twine(
"Couldn't get artificial stackframe dictionary at index (" +
llvm::Twine(idx) + llvm::Twine(") from stackframe array."))
.str(),
error, LLDBLog::Thread);
+ return error.ToError();
+ }
StructuredData::Dictionary *dict = *maybe_dict;
lldb::addr_t pc;
- if (!dict->GetValueForKeyAsInteger("pc", pc))
- return ScriptedInterface::ErrorWithMessage<bool>(
+ if (!dict->GetValueForKeyAsInteger("pc", pc)) {
+ ScriptedInterface::ErrorWithMessage<bool>(
LLVM_PRETTY_FUNCTION,
"Couldn't find value for key 'pc' in stackframe dictionary.", error,
LLDBLog::Thread);
+ return error.ToError();
+ }
Address symbol_addr;
symbol_addr.SetLoadAddress(pc, &this->GetProcess()->GetTarget());
lldb::addr_t cfa = LLDB_INVALID_ADDRESS;
bool cfa_is_valid = false;
+ const bool artificial = false;
const bool behaves_like_zeroth_frame = false;
SymbolContext sc;
symbol_addr.CalculateSymbolContext(&sc);
- StackFrameSP synth_frame_sp = std::make_shared<StackFrame>(
- this->shared_from_this(), idx, idx, cfa, cfa_is_valid, pc,
- StackFrame::Kind::Artificial, behaves_like_zeroth_frame, &sc);
+ return std::make_shared<StackFrame>(this->shared_from_this(), idx, idx, cfa,
+ cfa_is_valid, pc,
+ StackFrame::Kind::Synthetic, artificial,
+ behaves_like_zeroth_frame, &sc);
+ };
+
+ auto create_frame_from_script_object =
+ [this, arr_sp](size_t idx) -> llvm::Expected<StackFrameSP> {
+ Status error;
+ StructuredData::ObjectSP object_sp = arr_sp->GetItemAtIndex(idx);
+ if (!object_sp || !object_sp->GetAsGeneric()) {
+ ScriptedInterface::ErrorWithMessage<bool>(
+ LLVM_PRETTY_FUNCTION,
+ llvm::Twine("Couldn't get artificial stackframe object at index (" +
+ llvm::Twine(idx) +
+ llvm::Twine(") from stackframe array."))
+ .str(),
+ error, LLDBLog::Thread);
+ return error.ToError();
+ }
+
+ auto frame_or_error =
+ ScriptedFrame::Create(*this, nullptr, object_sp->GetAsGeneric());
+
+ if (!frame_or_error) {
+ ScriptedInterface::ErrorWithMessage<bool>(
+ LLVM_PRETTY_FUNCTION, toString(frame_or_error.takeError()), error);
+ return error.ToError();
+ }
+
+ StackFrameSP frame_sp = frame_or_error.get();
+ lldbassert(frame_sp && "Couldn't initialize scripted frame.");
+
+ return frame_sp;
+ };
+
+ StackFrameListSP frames = GetStackFrameList();
+
+ for (size_t idx = 0; idx < arr_size; idx++) {
+ StackFrameSP synth_frame_sp = nullptr;
+
+ auto frame_from_dict_or_err = create_frame_from_dict(idx);
+ if (!frame_from_dict_or_err) {
+ auto frame_from_script_obj_or_err = create_frame_from_script_object(idx);
+
+ if (!frame_from_script_obj_or_err) {
+ return ScriptedInterface::ErrorWithMessage<bool>(
+ LLVM_PRETTY_FUNCTION,
+ llvm::Twine("Couldn't add artificial frame (" + llvm::Twine(idx) +
+ llvm::Twine(") to ScriptedThread StackFrameList."))
+ .str(),
+ error, LLDBLog::Thread);
+ } else {
+ llvm::consumeError(frame_from_dict_or_err.takeError());
+ synth_frame_sp = *frame_from_script_obj_or_err;
+ }
+ } else {
+ synth_frame_sp = *frame_from_dict_or_err;
+ }
if (!frames->SetFrameAtIndex(static_cast<uint32_t>(idx), synth_frame_sp))
return ScriptedInterface::ErrorWithMessage<bool>(