accd4a4ad5
In #119598 my recent TLS feature seems to break crashpad symbols. I have a few ideas on how this is happening, but for now as a mitigation I'm checking if the Minidump was LLDB generated, and if so leveraging the dynamic loader.
125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
//===-- ProcessMinidump.h ---------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_PROCESSMINIDUMP_H
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#define LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_PROCESSMINIDUMP_H
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#include "MinidumpParser.h"
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#include "MinidumpTypes.h"
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#include "lldb/Target/PostMortemProcess.h"
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#include "lldb/Target/StopInfo.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/ConstString.h"
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#include "lldb/Utility/Status.h"
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#include "llvm/Support/Format.h"
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#include "llvm/Support/raw_ostream.h"
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#include <optional>
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namespace lldb_private {
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namespace minidump {
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class ProcessMinidump : public PostMortemProcess {
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public:
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static lldb::ProcessSP CreateInstance(lldb::TargetSP target_sp,
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lldb::ListenerSP listener_sp,
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const FileSpec *crash_file_path,
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bool can_connect);
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static void Initialize();
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static void Terminate();
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static llvm::StringRef GetPluginNameStatic() { return "minidump"; }
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static llvm::StringRef GetPluginDescriptionStatic();
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ProcessMinidump(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp,
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const FileSpec &core_file, lldb::DataBufferSP code_data);
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~ProcessMinidump() override;
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bool CanDebug(lldb::TargetSP target_sp,
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bool plugin_specified_by_name) override;
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CommandObject *GetPluginCommandObject() override;
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Status DoLoadCore() override;
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DynamicLoader *GetDynamicLoader() override;
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// Returns AUXV structure found in the core file
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lldb_private::DataExtractor GetAuxvData() override;
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llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
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Status DoDestroy() override;
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void RefreshStateAfterStop() override;
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bool IsAlive() override;
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bool WarnBeforeDetach() const override;
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size_t ReadMemory(lldb::addr_t addr, void *buf, size_t size,
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Status &error) override;
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size_t DoReadMemory(lldb::addr_t addr, void *buf, size_t size,
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Status &error) override;
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ArchSpec GetArchitecture();
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Status
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GetMemoryRegions(lldb_private::MemoryRegionInfos ®ion_list) override;
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bool GetProcessInfo(ProcessInstanceInfo &info) override;
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Status WillResume() override {
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return Status::FromErrorStringWithFormatv(
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"error: {0} does not support resuming processes", GetPluginName());
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}
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std::optional<MinidumpParser> m_minidump_parser;
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protected:
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void Clear();
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bool DoUpdateThreadList(ThreadList &old_thread_list,
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ThreadList &new_thread_list) override;
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Status DoGetMemoryRegionInfo(lldb::addr_t load_addr,
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MemoryRegionInfo &range_info) override;
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void ReadModuleList();
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lldb::ModuleSP GetOrCreateModule(lldb_private::UUID minidump_uuid,
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llvm::StringRef name,
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lldb_private::ModuleSpec module_spec);
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JITLoaderList &GetJITLoaders() override;
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private:
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lldb::DataBufferSP m_core_data;
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llvm::ArrayRef<minidump::Thread> m_thread_list;
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std::unordered_map<uint32_t, const minidump::ExceptionStream>
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m_exceptions_by_tid;
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lldb::CommandObjectSP m_command_sp;
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bool m_is_wow64;
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std::optional<MemoryRegionInfos> m_memory_regions;
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void BuildMemoryRegions();
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bool IsLLDBMinidump();
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};
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} // namespace minidump
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} // namespace lldb_private
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#endif // LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_PROCESSMINIDUMP_H
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