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1013 lines
39 KiB
1013 lines
39 KiB
4 months ago
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//===-- ProcessMinidump.cpp -----------------------------------------------===//
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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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#include "ProcessMinidump.h"
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#include "ThreadMinidump.h"
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#include "lldb/Core/DumpDataExtractor.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Core/Section.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/CommandObject.h"
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#include "lldb/Interpreter/CommandObjectMultiword.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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#include "lldb/Interpreter/OptionArgParser.h"
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#include "lldb/Interpreter/OptionGroupBoolean.h"
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#include "lldb/Target/JITLoaderList.h"
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#include "lldb/Target/MemoryRegionInfo.h"
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#include "lldb/Target/SectionLoadList.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/UnixSignals.h"
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#include "lldb/Utility/LLDBAssert.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/State.h"
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#include "llvm/BinaryFormat/Magic.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Threading.h"
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#include "Plugins/Process/Utility/StopInfoMachException.h"
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#include <memory>
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using namespace lldb;
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using namespace lldb_private;
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using namespace minidump;
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LLDB_PLUGIN_DEFINE(ProcessMinidump)
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namespace {
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/// A minimal ObjectFile implementation providing a dummy object file for the
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/// cases when the real module binary is not available. This allows the module
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/// to show up in "image list" and symbols to be added to it.
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class PlaceholderObjectFile : public ObjectFile {
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public:
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PlaceholderObjectFile(const lldb::ModuleSP &module_sp,
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const ModuleSpec &module_spec, lldb::addr_t base,
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lldb::addr_t size)
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: ObjectFile(module_sp, &module_spec.GetFileSpec(), /*file_offset*/ 0,
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/*length*/ 0, /*data_sp*/ nullptr, /*data_offset*/ 0),
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m_arch(module_spec.GetArchitecture()), m_uuid(module_spec.GetUUID()),
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m_base(base), m_size(size) {
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m_symtab_up = std::make_unique<Symtab>(this);
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}
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static ConstString GetStaticPluginName() {
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return ConstString("placeholder");
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}
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ConstString GetPluginName() override { return GetStaticPluginName(); }
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uint32_t GetPluginVersion() override { return 1; }
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bool ParseHeader() override { return true; }
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Type CalculateType() override { return eTypeUnknown; }
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Strata CalculateStrata() override { return eStrataUnknown; }
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uint32_t GetDependentModules(FileSpecList &file_list) override { return 0; }
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bool IsExecutable() const override { return false; }
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ArchSpec GetArchitecture() override { return m_arch; }
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UUID GetUUID() override { return m_uuid; }
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Symtab *GetSymtab() override { return m_symtab_up.get(); }
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bool IsStripped() override { return true; }
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ByteOrder GetByteOrder() const override { return m_arch.GetByteOrder(); }
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uint32_t GetAddressByteSize() const override {
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return m_arch.GetAddressByteSize();
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}
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Address GetBaseAddress() override {
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return Address(m_sections_up->GetSectionAtIndex(0), 0);
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}
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void CreateSections(SectionList &unified_section_list) override {
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m_sections_up = std::make_unique<SectionList>();
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auto section_sp = std::make_shared<Section>(
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GetModule(), this, /*sect_id*/ 0, ConstString(".module_image"),
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eSectionTypeOther, m_base, m_size, /*file_offset*/ 0, /*file_size*/ 0,
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/*log2align*/ 0, /*flags*/ 0);
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section_sp->SetPermissions(ePermissionsReadable | ePermissionsExecutable);
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m_sections_up->AddSection(section_sp);
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unified_section_list.AddSection(std::move(section_sp));
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}
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bool SetLoadAddress(Target &target, addr_t value,
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bool value_is_offset) override {
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assert(!value_is_offset);
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assert(value == m_base);
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// Create sections if they haven't been created already.
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GetModule()->GetSectionList();
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assert(m_sections_up->GetNumSections(0) == 1);
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target.GetSectionLoadList().SetSectionLoadAddress(
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m_sections_up->GetSectionAtIndex(0), m_base);
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return true;
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}
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void Dump(Stream *s) override {
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s->Format("Placeholder object file for {0} loaded at [{1:x}-{2:x})\n",
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GetFileSpec(), m_base, m_base + m_size);
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}
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lldb::addr_t GetBaseImageAddress() const { return m_base; }
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private:
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ArchSpec m_arch;
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UUID m_uuid;
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lldb::addr_t m_base;
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lldb::addr_t m_size;
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};
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/// Duplicate the HashElfTextSection() from the breakpad sources.
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///
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/// Breakpad, a Google crash log reporting tool suite, creates minidump files
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/// for many different architectures. When using Breakpad to create ELF
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/// minidumps, it will check for a GNU build ID when creating a minidump file
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/// and if one doesn't exist in the file, it will say the UUID of the file is a
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/// checksum of up to the first 4096 bytes of the .text section. Facebook also
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/// uses breakpad and modified this hash to avoid collisions so we can
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/// calculate and check for this as well.
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///
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/// The breakpad code might end up hashing up to 15 bytes that immediately
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/// follow the .text section in the file, so this code must do exactly what it
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/// does so we can get an exact match for the UUID.
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///
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/// \param[in] module_sp The module to grab the .text section from.
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///
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/// \param[in/out] breakpad_uuid A vector that will receive the calculated
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/// breakpad .text hash.
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///
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/// \param[in/out] facebook_uuid A vector that will receive the calculated
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/// facebook .text hash.
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///
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void HashElfTextSection(ModuleSP module_sp, std::vector<uint8_t> &breakpad_uuid,
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std::vector<uint8_t> &facebook_uuid) {
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SectionList *sect_list = module_sp->GetSectionList();
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if (sect_list == nullptr)
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return;
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SectionSP sect_sp = sect_list->FindSectionByName(ConstString(".text"));
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if (!sect_sp)
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return;
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constexpr size_t kMDGUIDSize = 16;
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constexpr size_t kBreakpadPageSize = 4096;
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// The breakpad code has a bug where it might access beyond the end of a
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// .text section by up to 15 bytes, so we must ensure we round up to the
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// next kMDGUIDSize byte boundary.
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DataExtractor data;
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const size_t text_size = sect_sp->GetFileSize();
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const size_t read_size = std::min<size_t>(
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llvm::alignTo(text_size, kMDGUIDSize), kBreakpadPageSize);
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sect_sp->GetObjectFile()->GetData(sect_sp->GetFileOffset(), read_size, data);
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breakpad_uuid.assign(kMDGUIDSize, 0);
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facebook_uuid.assign(kMDGUIDSize, 0);
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// The only difference between the breakpad hash and the facebook hash is the
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// hashing of the text section size into the hash prior to hashing the .text
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// contents.
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for (size_t i = 0; i < kMDGUIDSize; i++)
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facebook_uuid[i] ^= text_size % 255;
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// This code carefully duplicates how the hash was created in Breakpad
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// sources, including the error where it might has an extra 15 bytes past the
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// end of the .text section if the .text section is less than a page size in
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// length.
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const uint8_t *ptr = data.GetDataStart();
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const uint8_t *ptr_end = data.GetDataEnd();
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while (ptr < ptr_end) {
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for (unsigned i = 0; i < kMDGUIDSize; i++) {
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breakpad_uuid[i] ^= ptr[i];
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facebook_uuid[i] ^= ptr[i];
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}
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ptr += kMDGUIDSize;
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}
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}
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} // namespace
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ConstString ProcessMinidump::GetPluginNameStatic() {
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static ConstString g_name("minidump");
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return g_name;
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}
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const char *ProcessMinidump::GetPluginDescriptionStatic() {
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return "Minidump plug-in.";
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}
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lldb::ProcessSP ProcessMinidump::CreateInstance(lldb::TargetSP target_sp,
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lldb::ListenerSP listener_sp,
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const FileSpec *crash_file,
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bool can_connect) {
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if (!crash_file || can_connect)
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return nullptr;
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lldb::ProcessSP process_sp;
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// Read enough data for the Minidump header
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constexpr size_t header_size = sizeof(Header);
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auto DataPtr = FileSystem::Instance().CreateDataBuffer(crash_file->GetPath(),
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header_size, 0);
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if (!DataPtr)
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return nullptr;
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lldbassert(DataPtr->GetByteSize() == header_size);
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if (identify_magic(toStringRef(DataPtr->GetData())) != llvm::file_magic::minidump)
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return nullptr;
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auto AllData =
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FileSystem::Instance().CreateDataBuffer(crash_file->GetPath(), -1, 0);
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if (!AllData)
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return nullptr;
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return std::make_shared<ProcessMinidump>(target_sp, listener_sp, *crash_file,
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std::move(AllData));
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}
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bool ProcessMinidump::CanDebug(lldb::TargetSP target_sp,
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bool plugin_specified_by_name) {
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return true;
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}
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ProcessMinidump::ProcessMinidump(lldb::TargetSP target_sp,
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lldb::ListenerSP listener_sp,
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const FileSpec &core_file,
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DataBufferSP core_data)
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: PostMortemProcess(target_sp, listener_sp), m_core_file(core_file),
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m_core_data(std::move(core_data)), m_is_wow64(false) {}
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ProcessMinidump::~ProcessMinidump() {
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Clear();
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// We need to call finalize on the process before destroying ourselves to
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// make sure all of the broadcaster cleanup goes as planned. If we destruct
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// this class, then Process::~Process() might have problems trying to fully
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// destroy the broadcaster.
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Finalize();
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}
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void ProcessMinidump::Initialize() {
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static llvm::once_flag g_once_flag;
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llvm::call_once(g_once_flag, []() {
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PluginManager::RegisterPlugin(GetPluginNameStatic(),
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GetPluginDescriptionStatic(),
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ProcessMinidump::CreateInstance);
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});
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}
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void ProcessMinidump::Terminate() {
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PluginManager::UnregisterPlugin(ProcessMinidump::CreateInstance);
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}
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Status ProcessMinidump::DoLoadCore() {
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auto expected_parser = MinidumpParser::Create(m_core_data);
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if (!expected_parser)
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return Status(expected_parser.takeError());
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m_minidump_parser = std::move(*expected_parser);
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Status error;
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// Do we support the minidump's architecture?
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ArchSpec arch = GetArchitecture();
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switch (arch.GetMachine()) {
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case llvm::Triple::x86:
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case llvm::Triple::x86_64:
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case llvm::Triple::arm:
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case llvm::Triple::aarch64:
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// Any supported architectures must be listed here and also supported in
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// ThreadMinidump::CreateRegisterContextForFrame().
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break;
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default:
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error.SetErrorStringWithFormat("unsupported minidump architecture: %s",
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arch.GetArchitectureName());
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return error;
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}
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GetTarget().SetArchitecture(arch, true /*set_platform*/);
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m_thread_list = m_minidump_parser->GetThreads();
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m_active_exception = m_minidump_parser->GetExceptionStream();
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SetUnixSignals(UnixSignals::Create(GetArchitecture()));
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ReadModuleList();
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llvm::Optional<lldb::pid_t> pid = m_minidump_parser->GetPid();
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if (!pid) {
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GetTarget().GetDebugger().GetAsyncErrorStream()->PutCString(
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"Unable to retrieve process ID from minidump file, setting process ID "
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"to 1.\n");
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pid = 1;
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}
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SetID(pid.getValue());
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return error;
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}
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ConstString ProcessMinidump::GetPluginName() { return GetPluginNameStatic(); }
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uint32_t ProcessMinidump::GetPluginVersion() { return 1; }
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Status ProcessMinidump::DoDestroy() { return Status(); }
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void ProcessMinidump::RefreshStateAfterStop() {
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if (!m_active_exception)
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return;
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constexpr uint32_t BreakpadDumpRequested = 0xFFFFFFFF;
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if (m_active_exception->ExceptionRecord.ExceptionCode ==
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BreakpadDumpRequested) {
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// This "ExceptionCode" value is a sentinel that is sometimes used
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// when generating a dump for a process that hasn't crashed.
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// TODO: The definition and use of this "dump requested" constant
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// in Breakpad are actually Linux-specific, and for similar use
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// cases on Mac/Windows it defines different constants, referring
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// to them as "simulated" exceptions; consider moving this check
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// down to the OS-specific paths and checking each OS for its own
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// constant.
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return;
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}
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lldb::StopInfoSP stop_info;
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lldb::ThreadSP stop_thread;
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Process::m_thread_list.SetSelectedThreadByID(m_active_exception->ThreadId);
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stop_thread = Process::m_thread_list.GetSelectedThread();
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ArchSpec arch = GetArchitecture();
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if (arch.GetTriple().getOS() == llvm::Triple::Linux) {
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uint32_t signo = m_active_exception->ExceptionRecord.ExceptionCode;
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if (signo == 0) {
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// No stop.
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return;
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}
|
||
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stop_info = StopInfo::CreateStopReasonWithSignal(
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*stop_thread, signo);
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} else if (arch.GetTriple().getVendor() == llvm::Triple::Apple) {
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stop_info = StopInfoMachException::CreateStopReasonWithMachException(
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*stop_thread, m_active_exception->ExceptionRecord.ExceptionCode, 2,
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m_active_exception->ExceptionRecord.ExceptionFlags,
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m_active_exception->ExceptionRecord.ExceptionAddress, 0);
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} else {
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std::string desc;
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llvm::raw_string_ostream desc_stream(desc);
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desc_stream << "Exception "
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<< llvm::format_hex(
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m_active_exception->ExceptionRecord.ExceptionCode, 8)
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<< " encountered at address "
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<< llvm::format_hex(
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m_active_exception->ExceptionRecord.ExceptionAddress, 8);
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stop_info = StopInfo::CreateStopReasonWithException(
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*stop_thread, desc_stream.str().c_str());
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}
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stop_thread->SetStopInfo(stop_info);
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}
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bool ProcessMinidump::IsAlive() { return true; }
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bool ProcessMinidump::WarnBeforeDetach() const { return false; }
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size_t ProcessMinidump::ReadMemory(lldb::addr_t addr, void *buf, size_t size,
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Status &error) {
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// Don't allow the caching that lldb_private::Process::ReadMemory does since
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// we have it all cached in our dump file anyway.
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return DoReadMemory(addr, buf, size, error);
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}
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size_t ProcessMinidump::DoReadMemory(lldb::addr_t addr, void *buf, size_t size,
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Status &error) {
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llvm::ArrayRef<uint8_t> mem = m_minidump_parser->GetMemory(addr, size);
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||
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if (mem.empty()) {
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||
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error.SetErrorString("could not parse memory info");
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||
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return 0;
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||
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}
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||
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||
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std::memcpy(buf, mem.data(), mem.size());
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||
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return mem.size();
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||
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}
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||
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||
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ArchSpec ProcessMinidump::GetArchitecture() {
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||
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if (!m_is_wow64) {
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||
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return m_minidump_parser->GetArchitecture();
|
||
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}
|
||
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||
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llvm::Triple triple;
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||
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triple.setVendor(llvm::Triple::VendorType::UnknownVendor);
|
||
|
triple.setArch(llvm::Triple::ArchType::x86);
|
||
|
triple.setOS(llvm::Triple::OSType::Win32);
|
||
|
return ArchSpec(triple);
|
||
|
}
|
||
|
|
||
|
void ProcessMinidump::BuildMemoryRegions() {
|
||
|
if (m_memory_regions)
|
||
|
return;
|
||
|
m_memory_regions.emplace();
|
||
|
bool is_complete;
|
||
|
std::tie(*m_memory_regions, is_complete) =
|
||
|
m_minidump_parser->BuildMemoryRegions();
|
||
|
|
||
|
if (is_complete)
|
||
|
return;
|
||
|
|
||
|
MemoryRegionInfos to_add;
|
||
|
ModuleList &modules = GetTarget().GetImages();
|
||
|
SectionLoadList &load_list = GetTarget().GetSectionLoadList();
|
||
|
modules.ForEach([&](const ModuleSP &module_sp) {
|
||
|
SectionList *sections = module_sp->GetSectionList();
|
||
|
for (size_t i = 0; i < sections->GetSize(); ++i) {
|
||
|
SectionSP section_sp = sections->GetSectionAtIndex(i);
|
||
|
addr_t load_addr = load_list.GetSectionLoadAddress(section_sp);
|
||
|
if (load_addr == LLDB_INVALID_ADDRESS)
|
||
|
continue;
|
||
|
MemoryRegionInfo::RangeType section_range(load_addr,
|
||
|
section_sp->GetByteSize());
|
||
|
MemoryRegionInfo region =
|
||
|
MinidumpParser::GetMemoryRegionInfo(*m_memory_regions, load_addr);
|
||
|
if (region.GetMapped() != MemoryRegionInfo::eYes &&
|
||
|
region.GetRange().GetRangeBase() <= section_range.GetRangeBase() &&
|
||
|
section_range.GetRangeEnd() <= region.GetRange().GetRangeEnd()) {
|
||
|
to_add.emplace_back();
|
||
|
to_add.back().GetRange() = section_range;
|
||
|
to_add.back().SetLLDBPermissions(section_sp->GetPermissions());
|
||
|
to_add.back().SetMapped(MemoryRegionInfo::eYes);
|
||
|
to_add.back().SetName(module_sp->GetFileSpec().GetPath().c_str());
|
||
|
}
|
||
|
}
|
||
|
return true;
|
||
|
});
|
||
|
m_memory_regions->insert(m_memory_regions->end(), to_add.begin(),
|
||
|
to_add.end());
|
||
|
llvm::sort(*m_memory_regions);
|
||
|
}
|
||
|
|
||
|
Status ProcessMinidump::GetMemoryRegionInfo(lldb::addr_t load_addr,
|
||
|
MemoryRegionInfo ®ion) {
|
||
|
BuildMemoryRegions();
|
||
|
region = MinidumpParser::GetMemoryRegionInfo(*m_memory_regions, load_addr);
|
||
|
return Status();
|
||
|
}
|
||
|
|
||
|
Status ProcessMinidump::GetMemoryRegions(MemoryRegionInfos ®ion_list) {
|
||
|
BuildMemoryRegions();
|
||
|
region_list = *m_memory_regions;
|
||
|
return Status();
|
||
|
}
|
||
|
|
||
|
void ProcessMinidump::Clear() { Process::m_thread_list.Clear(); }
|
||
|
|
||
|
bool ProcessMinidump::UpdateThreadList(ThreadList &old_thread_list,
|
||
|
ThreadList &new_thread_list) {
|
||
|
for (const minidump::Thread &thread : m_thread_list) {
|
||
|
LocationDescriptor context_location = thread.Context;
|
||
|
|
||
|
// If the minidump contains an exception context, use it
|
||
|
if (m_active_exception != nullptr &&
|
||
|
m_active_exception->ThreadId == thread.ThreadId) {
|
||
|
context_location = m_active_exception->ThreadContext;
|
||
|
}
|
||
|
|
||
|
llvm::ArrayRef<uint8_t> context;
|
||
|
if (!m_is_wow64)
|
||
|
context = m_minidump_parser->GetThreadContext(context_location);
|
||
|
else
|
||
|
context = m_minidump_parser->GetThreadContextWow64(thread);
|
||
|
|
||
|
lldb::ThreadSP thread_sp(new ThreadMinidump(*this, thread, context));
|
||
|
new_thread_list.AddThread(thread_sp);
|
||
|
}
|
||
|
return new_thread_list.GetSize(false) > 0;
|
||
|
}
|
||
|
|
||
|
ModuleSP ProcessMinidump::GetOrCreateModule(UUID minidump_uuid,
|
||
|
llvm::StringRef name,
|
||
|
ModuleSpec module_spec) {
|
||
|
Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_DYNAMIC_LOADER));
|
||
|
Status error;
|
||
|
|
||
|
ModuleSP module_sp =
|
||
|
GetTarget().GetOrCreateModule(module_spec, true /* notify */, &error);
|
||
|
if (!module_sp)
|
||
|
return module_sp;
|
||
|
// We consider the module to be a match if the minidump UUID is a
|
||
|
// prefix of the actual UUID, or if either of the UUIDs are empty.
|
||
|
const auto dmp_bytes = minidump_uuid.GetBytes();
|
||
|
const auto mod_bytes = module_sp->GetUUID().GetBytes();
|
||
|
const bool match = dmp_bytes.empty() || mod_bytes.empty() ||
|
||
|
mod_bytes.take_front(dmp_bytes.size()) == dmp_bytes;
|
||
|
if (match) {
|
||
|
LLDB_LOG(log, "Partial uuid match for {0}.", name);
|
||
|
return module_sp;
|
||
|
}
|
||
|
|
||
|
// Breakpad generates minindump files, and if there is no GNU build
|
||
|
// ID in the binary, it will calculate a UUID by hashing first 4096
|
||
|
// bytes of the .text section and using that as the UUID for a module
|
||
|
// in the minidump. Facebook uses a modified breakpad client that
|
||
|
// uses a slightly modified this hash to avoid collisions. Check for
|
||
|
// UUIDs from the minindump that match these cases and accept the
|
||
|
// module we find if they do match.
|
||
|
std::vector<uint8_t> breakpad_uuid;
|
||
|
std::vector<uint8_t> facebook_uuid;
|
||
|
HashElfTextSection(module_sp, breakpad_uuid, facebook_uuid);
|
||
|
if (dmp_bytes == llvm::ArrayRef<uint8_t>(breakpad_uuid)) {
|
||
|
LLDB_LOG(log, "Breakpad .text hash match for {0}.", name);
|
||
|
return module_sp;
|
||
|
}
|
||
|
if (dmp_bytes == llvm::ArrayRef<uint8_t>(facebook_uuid)) {
|
||
|
LLDB_LOG(log, "Facebook .text hash match for {0}.", name);
|
||
|
return module_sp;
|
||
|
}
|
||
|
// The UUID wasn't a partial match and didn't match the .text hash
|
||
|
// so remove the module from the target, we will need to create a
|
||
|
// placeholder object file.
|
||
|
GetTarget().GetImages().Remove(module_sp);
|
||
|
module_sp.reset();
|
||
|
return module_sp;
|
||
|
}
|
||
|
|
||
|
void ProcessMinidump::ReadModuleList() {
|
||
|
std::vector<const minidump::Module *> filtered_modules =
|
||
|
m_minidump_parser->GetFilteredModuleList();
|
||
|
|
||
|
Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_DYNAMIC_LOADER));
|
||
|
|
||
|
for (auto module : filtered_modules) {
|
||
|
std::string name = cantFail(m_minidump_parser->GetMinidumpFile().getString(
|
||
|
module->ModuleNameRVA));
|
||
|
const uint64_t load_addr = module->BaseOfImage;
|
||
|
const uint64_t load_size = module->SizeOfImage;
|
||
|
LLDB_LOG(log, "found module: name: {0} {1:x10}-{2:x10} size: {3}", name,
|
||
|
load_addr, load_addr + load_size, load_size);
|
||
|
|
||
|
// check if the process is wow64 - a 32 bit windows process running on a
|
||
|
// 64 bit windows
|
||
|
if (llvm::StringRef(name).endswith_lower("wow64.dll")) {
|
||
|
m_is_wow64 = true;
|
||
|
}
|
||
|
|
||
|
const auto uuid = m_minidump_parser->GetModuleUUID(module);
|
||
|
auto file_spec = FileSpec(name, GetArchitecture().GetTriple());
|
||
|
ModuleSpec module_spec(file_spec, uuid);
|
||
|
module_spec.GetArchitecture() = GetArchitecture();
|
||
|
Status error;
|
||
|
// Try and find a module with a full UUID that matches. This function will
|
||
|
// add the module to the target if it finds one.
|
||
|
lldb::ModuleSP module_sp = GetTarget().GetOrCreateModule(module_spec,
|
||
|
true /* notify */, &error);
|
||
|
if (module_sp) {
|
||
|
LLDB_LOG(log, "Full uuid match for {0}.", name);
|
||
|
} else {
|
||
|
// We couldn't find a module with an exactly-matching UUID. Sometimes
|
||
|
// a minidump UUID is only a partial match or is a hash. So try again
|
||
|
// without specifying the UUID, then again without specifying the
|
||
|
// directory if that fails. This will allow us to find modules with
|
||
|
// partial matches or hash UUIDs in user-provided sysroots or search
|
||
|
// directories (target.exec-search-paths).
|
||
|
ModuleSpec partial_module_spec = module_spec;
|
||
|
partial_module_spec.GetUUID().Clear();
|
||
|
module_sp = GetOrCreateModule(uuid, name, partial_module_spec);
|
||
|
if (!module_sp) {
|
||
|
partial_module_spec.GetFileSpec().GetDirectory().Clear();
|
||
|
module_sp = GetOrCreateModule(uuid, name, partial_module_spec);
|
||
|
}
|
||
|
}
|
||
|
if (module_sp) {
|
||
|
// Watch out for place holder modules that have different paths, but the
|
||
|
// same UUID. If the base address is different, create a new module. If
|
||
|
// we don't then we will end up setting the load address of a different
|
||
|
// PlaceholderObjectFile and an assertion will fire.
|
||
|
auto *objfile = module_sp->GetObjectFile();
|
||
|
if (objfile && objfile->GetPluginName() ==
|
||
|
PlaceholderObjectFile::GetStaticPluginName()) {
|
||
|
if (((PlaceholderObjectFile *)objfile)->GetBaseImageAddress() !=
|
||
|
load_addr)
|
||
|
module_sp.reset();
|
||
|
}
|
||
|
}
|
||
|
if (!module_sp) {
|
||
|
// We failed to locate a matching local object file. Fortunately, the
|
||
|
// minidump format encodes enough information about each module's memory
|
||
|
// range to allow us to create placeholder modules.
|
||
|
//
|
||
|
// This enables most LLDB functionality involving address-to-module
|
||
|
// translations (ex. identifing the module for a stack frame PC) and
|
||
|
// modules/sections commands (ex. target modules list, ...)
|
||
|
LLDB_LOG(log,
|
||
|
"Unable to locate the matching object file, creating a "
|
||
|
"placeholder module for: {0}",
|
||
|
name);
|
||
|
|
||
|
module_sp = Module::CreateModuleFromObjectFile<PlaceholderObjectFile>(
|
||
|
module_spec, load_addr, load_size);
|
||
|
GetTarget().GetImages().Append(module_sp, true /* notify */);
|
||
|
}
|
||
|
|
||
|
bool load_addr_changed = false;
|
||
|
module_sp->SetLoadAddress(GetTarget(), load_addr, false,
|
||
|
load_addr_changed);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
bool ProcessMinidump::GetProcessInfo(ProcessInstanceInfo &info) {
|
||
|
info.Clear();
|
||
|
info.SetProcessID(GetID());
|
||
|
info.SetArchitecture(GetArchitecture());
|
||
|
lldb::ModuleSP module_sp = GetTarget().GetExecutableModule();
|
||
|
if (module_sp) {
|
||
|
const bool add_exe_file_as_first_arg = false;
|
||
|
info.SetExecutableFile(GetTarget().GetExecutableModule()->GetFileSpec(),
|
||
|
add_exe_file_as_first_arg);
|
||
|
}
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
// For minidumps there's no runtime generated code so we don't need JITLoader(s)
|
||
|
// Avoiding them will also speed up minidump loading since JITLoaders normally
|
||
|
// try to set up symbolic breakpoints, which in turn may force loading more
|
||
|
// debug information than needed.
|
||
|
JITLoaderList &ProcessMinidump::GetJITLoaders() {
|
||
|
if (!m_jit_loaders_up) {
|
||
|
m_jit_loaders_up = std::make_unique<JITLoaderList>();
|
||
|
}
|
||
|
return *m_jit_loaders_up;
|
||
|
}
|
||
|
|
||
|
#define INIT_BOOL(VAR, LONG, SHORT, DESC) \
|
||
|
VAR(LLDB_OPT_SET_1, false, LONG, SHORT, DESC, false, true)
|
||
|
#define APPEND_OPT(VAR) \
|
||
|
m_option_group.Append(&VAR, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1)
|
||
|
|
||
|
class CommandObjectProcessMinidumpDump : public CommandObjectParsed {
|
||
|
private:
|
||
|
OptionGroupOptions m_option_group;
|
||
|
OptionGroupBoolean m_dump_all;
|
||
|
OptionGroupBoolean m_dump_directory;
|
||
|
OptionGroupBoolean m_dump_linux_cpuinfo;
|
||
|
OptionGroupBoolean m_dump_linux_proc_status;
|
||
|
OptionGroupBoolean m_dump_linux_lsb_release;
|
||
|
OptionGroupBoolean m_dump_linux_cmdline;
|
||
|
OptionGroupBoolean m_dump_linux_environ;
|
||
|
OptionGroupBoolean m_dump_linux_auxv;
|
||
|
OptionGroupBoolean m_dump_linux_maps;
|
||
|
OptionGroupBoolean m_dump_linux_proc_stat;
|
||
|
OptionGroupBoolean m_dump_linux_proc_uptime;
|
||
|
OptionGroupBoolean m_dump_linux_proc_fd;
|
||
|
OptionGroupBoolean m_dump_linux_all;
|
||
|
OptionGroupBoolean m_fb_app_data;
|
||
|
OptionGroupBoolean m_fb_build_id;
|
||
|
OptionGroupBoolean m_fb_version;
|
||
|
OptionGroupBoolean m_fb_java_stack;
|
||
|
OptionGroupBoolean m_fb_dalvik;
|
||
|
OptionGroupBoolean m_fb_unwind;
|
||
|
OptionGroupBoolean m_fb_error_log;
|
||
|
OptionGroupBoolean m_fb_app_state;
|
||
|
OptionGroupBoolean m_fb_abort;
|
||
|
OptionGroupBoolean m_fb_thread;
|
||
|
OptionGroupBoolean m_fb_logcat;
|
||
|
OptionGroupBoolean m_fb_all;
|
||
|
|
||
|
void SetDefaultOptionsIfNoneAreSet() {
|
||
|
if (m_dump_all.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_all.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_all.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_directory.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_cpuinfo.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_proc_status.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_lsb_release.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_cmdline.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_environ.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_auxv.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_maps.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_proc_stat.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_proc_uptime.GetOptionValue().GetCurrentValue() ||
|
||
|
m_dump_linux_proc_fd.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_app_data.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_build_id.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_version.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_java_stack.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_dalvik.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_unwind.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_error_log.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_app_state.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_abort.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_thread.GetOptionValue().GetCurrentValue() ||
|
||
|
m_fb_logcat.GetOptionValue().GetCurrentValue())
|
||
|
return;
|
||
|
// If no options were set, then dump everything
|
||
|
m_dump_all.GetOptionValue().SetCurrentValue(true);
|
||
|
}
|
||
|
bool DumpAll() const {
|
||
|
return m_dump_all.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpDirectory() const {
|
||
|
return DumpAll() ||
|
||
|
m_dump_directory.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinux() const {
|
||
|
return DumpAll() || m_dump_linux_all.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxCPUInfo() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_cpuinfo.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxProcStatus() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_proc_status.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxProcStat() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_proc_stat.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxLSBRelease() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_lsb_release.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxCMDLine() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_cmdline.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxEnviron() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_environ.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxAuxv() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_auxv.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxMaps() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_maps.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxProcUptime() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_proc_uptime.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpLinuxProcFD() const {
|
||
|
return DumpLinux() ||
|
||
|
m_dump_linux_proc_fd.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebook() const {
|
||
|
return DumpAll() || m_fb_all.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookAppData() const {
|
||
|
return DumpFacebook() || m_fb_app_data.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookBuildID() const {
|
||
|
return DumpFacebook() || m_fb_build_id.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookVersionName() const {
|
||
|
return DumpFacebook() || m_fb_version.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookJavaStack() const {
|
||
|
return DumpFacebook() || m_fb_java_stack.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookDalvikInfo() const {
|
||
|
return DumpFacebook() || m_fb_dalvik.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookUnwindSymbols() const {
|
||
|
return DumpFacebook() || m_fb_unwind.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookErrorLog() const {
|
||
|
return DumpFacebook() || m_fb_error_log.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookAppStateLog() const {
|
||
|
return DumpFacebook() || m_fb_app_state.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookAbortReason() const {
|
||
|
return DumpFacebook() || m_fb_abort.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookThreadName() const {
|
||
|
return DumpFacebook() || m_fb_thread.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
bool DumpFacebookLogcat() const {
|
||
|
return DumpFacebook() || m_fb_logcat.GetOptionValue().GetCurrentValue();
|
||
|
}
|
||
|
public:
|
||
|
CommandObjectProcessMinidumpDump(CommandInterpreter &interpreter)
|
||
|
: CommandObjectParsed(interpreter, "process plugin dump",
|
||
|
"Dump information from the minidump file.", nullptr),
|
||
|
m_option_group(),
|
||
|
INIT_BOOL(m_dump_all, "all", 'a',
|
||
|
"Dump the everything in the minidump."),
|
||
|
INIT_BOOL(m_dump_directory, "directory", 'd',
|
||
|
"Dump the minidump directory map."),
|
||
|
INIT_BOOL(m_dump_linux_cpuinfo, "cpuinfo", 'C',
|
||
|
"Dump linux /proc/cpuinfo."),
|
||
|
INIT_BOOL(m_dump_linux_proc_status, "status", 's',
|
||
|
"Dump linux /proc/<pid>/status."),
|
||
|
INIT_BOOL(m_dump_linux_lsb_release, "lsb-release", 'r',
|
||
|
"Dump linux /etc/lsb-release."),
|
||
|
INIT_BOOL(m_dump_linux_cmdline, "cmdline", 'c',
|
||
|
"Dump linux /proc/<pid>/cmdline."),
|
||
|
INIT_BOOL(m_dump_linux_environ, "environ", 'e',
|
||
|
"Dump linux /proc/<pid>/environ."),
|
||
|
INIT_BOOL(m_dump_linux_auxv, "auxv", 'x',
|
||
|
"Dump linux /proc/<pid>/auxv."),
|
||
|
INIT_BOOL(m_dump_linux_maps, "maps", 'm',
|
||
|
"Dump linux /proc/<pid>/maps."),
|
||
|
INIT_BOOL(m_dump_linux_proc_stat, "stat", 'S',
|
||
|
"Dump linux /proc/<pid>/stat."),
|
||
|
INIT_BOOL(m_dump_linux_proc_uptime, "uptime", 'u',
|
||
|
"Dump linux process uptime."),
|
||
|
INIT_BOOL(m_dump_linux_proc_fd, "fd", 'f',
|
||
|
"Dump linux /proc/<pid>/fd."),
|
||
|
INIT_BOOL(m_dump_linux_all, "linux", 'l',
|
||
|
"Dump all linux streams."),
|
||
|
INIT_BOOL(m_fb_app_data, "fb-app-data", 1,
|
||
|
"Dump Facebook application custom data."),
|
||
|
INIT_BOOL(m_fb_build_id, "fb-build-id", 2,
|
||
|
"Dump the Facebook build ID."),
|
||
|
INIT_BOOL(m_fb_version, "fb-version", 3,
|
||
|
"Dump Facebook application version string."),
|
||
|
INIT_BOOL(m_fb_java_stack, "fb-java-stack", 4,
|
||
|
"Dump Facebook java stack."),
|
||
|
INIT_BOOL(m_fb_dalvik, "fb-dalvik-info", 5,
|
||
|
"Dump Facebook Dalvik info."),
|
||
|
INIT_BOOL(m_fb_unwind, "fb-unwind-symbols", 6,
|
||
|
"Dump Facebook unwind symbols."),
|
||
|
INIT_BOOL(m_fb_error_log, "fb-error-log", 7,
|
||
|
"Dump Facebook error log."),
|
||
|
INIT_BOOL(m_fb_app_state, "fb-app-state-log", 8,
|
||
|
"Dump Facebook java stack."),
|
||
|
INIT_BOOL(m_fb_abort, "fb-abort-reason", 9,
|
||
|
"Dump Facebook abort reason."),
|
||
|
INIT_BOOL(m_fb_thread, "fb-thread-name", 10,
|
||
|
"Dump Facebook thread name."),
|
||
|
INIT_BOOL(m_fb_logcat, "fb-logcat", 11,
|
||
|
"Dump Facebook logcat."),
|
||
|
INIT_BOOL(m_fb_all, "facebook", 12, "Dump all Facebook streams.") {
|
||
|
APPEND_OPT(m_dump_all);
|
||
|
APPEND_OPT(m_dump_directory);
|
||
|
APPEND_OPT(m_dump_linux_cpuinfo);
|
||
|
APPEND_OPT(m_dump_linux_proc_status);
|
||
|
APPEND_OPT(m_dump_linux_lsb_release);
|
||
|
APPEND_OPT(m_dump_linux_cmdline);
|
||
|
APPEND_OPT(m_dump_linux_environ);
|
||
|
APPEND_OPT(m_dump_linux_auxv);
|
||
|
APPEND_OPT(m_dump_linux_maps);
|
||
|
APPEND_OPT(m_dump_linux_proc_stat);
|
||
|
APPEND_OPT(m_dump_linux_proc_uptime);
|
||
|
APPEND_OPT(m_dump_linux_proc_fd);
|
||
|
APPEND_OPT(m_dump_linux_all);
|
||
|
APPEND_OPT(m_fb_app_data);
|
||
|
APPEND_OPT(m_fb_build_id);
|
||
|
APPEND_OPT(m_fb_version);
|
||
|
APPEND_OPT(m_fb_java_stack);
|
||
|
APPEND_OPT(m_fb_dalvik);
|
||
|
APPEND_OPT(m_fb_unwind);
|
||
|
APPEND_OPT(m_fb_error_log);
|
||
|
APPEND_OPT(m_fb_app_state);
|
||
|
APPEND_OPT(m_fb_abort);
|
||
|
APPEND_OPT(m_fb_thread);
|
||
|
APPEND_OPT(m_fb_logcat);
|
||
|
APPEND_OPT(m_fb_all);
|
||
|
m_option_group.Finalize();
|
||
|
}
|
||
|
|
||
|
~CommandObjectProcessMinidumpDump() override {}
|
||
|
|
||
|
Options *GetOptions() override { return &m_option_group; }
|
||
|
|
||
|
bool DoExecute(Args &command, CommandReturnObject &result) override {
|
||
|
const size_t argc = command.GetArgumentCount();
|
||
|
if (argc > 0) {
|
||
|
result.AppendErrorWithFormat("'%s' take no arguments, only options",
|
||
|
m_cmd_name.c_str());
|
||
|
result.SetStatus(eReturnStatusFailed);
|
||
|
return false;
|
||
|
}
|
||
|
SetDefaultOptionsIfNoneAreSet();
|
||
|
|
||
|
ProcessMinidump *process = static_cast<ProcessMinidump *>(
|
||
|
m_interpreter.GetExecutionContext().GetProcessPtr());
|
||
|
result.SetStatus(eReturnStatusSuccessFinishResult);
|
||
|
Stream &s = result.GetOutputStream();
|
||
|
MinidumpParser &minidump = *process->m_minidump_parser;
|
||
|
if (DumpDirectory()) {
|
||
|
s.Printf("RVA SIZE TYPE StreamType\n");
|
||
|
s.Printf("---------- ---------- ---------- --------------------------\n");
|
||
|
for (const auto &stream_desc : minidump.GetMinidumpFile().streams())
|
||
|
s.Printf(
|
||
|
"0x%8.8x 0x%8.8x 0x%8.8x %s\n", (uint32_t)stream_desc.Location.RVA,
|
||
|
(uint32_t)stream_desc.Location.DataSize,
|
||
|
(unsigned)(StreamType)stream_desc.Type,
|
||
|
MinidumpParser::GetStreamTypeAsString(stream_desc.Type).data());
|
||
|
s.Printf("\n");
|
||
|
}
|
||
|
auto DumpTextStream = [&](StreamType stream_type,
|
||
|
llvm::StringRef label) -> void {
|
||
|
auto bytes = minidump.GetStream(stream_type);
|
||
|
if (!bytes.empty()) {
|
||
|
if (label.empty())
|
||
|
label = MinidumpParser::GetStreamTypeAsString(stream_type);
|
||
|
s.Printf("%s:\n%s\n\n", label.data(), bytes.data());
|
||
|
}
|
||
|
};
|
||
|
auto DumpBinaryStream = [&](StreamType stream_type,
|
||
|
llvm::StringRef label) -> void {
|
||
|
auto bytes = minidump.GetStream(stream_type);
|
||
|
if (!bytes.empty()) {
|
||
|
if (label.empty())
|
||
|
label = MinidumpParser::GetStreamTypeAsString(stream_type);
|
||
|
s.Printf("%s:\n", label.data());
|
||
|
DataExtractor data(bytes.data(), bytes.size(), eByteOrderLittle,
|
||
|
process->GetAddressByteSize());
|
||
|
DumpDataExtractor(data, &s, 0, lldb::eFormatBytesWithASCII, 1,
|
||
|
bytes.size(), 16, 0, 0, 0);
|
||
|
s.Printf("\n\n");
|
||
|
}
|
||
|
};
|
||
|
|
||
|
if (DumpLinuxCPUInfo())
|
||
|
DumpTextStream(StreamType::LinuxCPUInfo, "/proc/cpuinfo");
|
||
|
if (DumpLinuxProcStatus())
|
||
|
DumpTextStream(StreamType::LinuxProcStatus, "/proc/PID/status");
|
||
|
if (DumpLinuxLSBRelease())
|
||
|
DumpTextStream(StreamType::LinuxLSBRelease, "/etc/lsb-release");
|
||
|
if (DumpLinuxCMDLine())
|
||
|
DumpTextStream(StreamType::LinuxCMDLine, "/proc/PID/cmdline");
|
||
|
if (DumpLinuxEnviron())
|
||
|
DumpTextStream(StreamType::LinuxEnviron, "/proc/PID/environ");
|
||
|
if (DumpLinuxAuxv())
|
||
|
DumpBinaryStream(StreamType::LinuxAuxv, "/proc/PID/auxv");
|
||
|
if (DumpLinuxMaps())
|
||
|
DumpTextStream(StreamType::LinuxMaps, "/proc/PID/maps");
|
||
|
if (DumpLinuxProcStat())
|
||
|
DumpTextStream(StreamType::LinuxProcStat, "/proc/PID/stat");
|
||
|
if (DumpLinuxProcUptime())
|
||
|
DumpTextStream(StreamType::LinuxProcUptime, "uptime");
|
||
|
if (DumpLinuxProcFD())
|
||
|
DumpTextStream(StreamType::LinuxProcFD, "/proc/PID/fd");
|
||
|
if (DumpFacebookAppData())
|
||
|
DumpTextStream(StreamType::FacebookAppCustomData,
|
||
|
"Facebook App Data");
|
||
|
if (DumpFacebookBuildID()) {
|
||
|
auto bytes = minidump.GetStream(StreamType::FacebookBuildID);
|
||
|
if (bytes.size() >= 4) {
|
||
|
DataExtractor data(bytes.data(), bytes.size(), eByteOrderLittle,
|
||
|
process->GetAddressByteSize());
|
||
|
lldb::offset_t offset = 0;
|
||
|
uint32_t build_id = data.GetU32(&offset);
|
||
|
s.Printf("Facebook Build ID:\n");
|
||
|
s.Printf("%u\n", build_id);
|
||
|
s.Printf("\n");
|
||
|
}
|
||
|
}
|
||
|
if (DumpFacebookVersionName())
|
||
|
DumpTextStream(StreamType::FacebookAppVersionName,
|
||
|
"Facebook Version String");
|
||
|
if (DumpFacebookJavaStack())
|
||
|
DumpTextStream(StreamType::FacebookJavaStack,
|
||
|
"Facebook Java Stack");
|
||
|
if (DumpFacebookDalvikInfo())
|
||
|
DumpTextStream(StreamType::FacebookDalvikInfo,
|
||
|
"Facebook Dalvik Info");
|
||
|
if (DumpFacebookUnwindSymbols())
|
||
|
DumpBinaryStream(StreamType::FacebookUnwindSymbols,
|
||
|
"Facebook Unwind Symbols Bytes");
|
||
|
if (DumpFacebookErrorLog())
|
||
|
DumpTextStream(StreamType::FacebookDumpErrorLog,
|
||
|
"Facebook Error Log");
|
||
|
if (DumpFacebookAppStateLog())
|
||
|
DumpTextStream(StreamType::FacebookAppStateLog,
|
||
|
"Faceook Application State Log");
|
||
|
if (DumpFacebookAbortReason())
|
||
|
DumpTextStream(StreamType::FacebookAbortReason,
|
||
|
"Facebook Abort Reason");
|
||
|
if (DumpFacebookThreadName())
|
||
|
DumpTextStream(StreamType::FacebookThreadName,
|
||
|
"Facebook Thread Name");
|
||
|
if (DumpFacebookLogcat())
|
||
|
DumpTextStream(StreamType::FacebookLogcat,
|
||
|
"Facebook Logcat");
|
||
|
return true;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
class CommandObjectMultiwordProcessMinidump : public CommandObjectMultiword {
|
||
|
public:
|
||
|
CommandObjectMultiwordProcessMinidump(CommandInterpreter &interpreter)
|
||
|
: CommandObjectMultiword(interpreter, "process plugin",
|
||
|
"Commands for operating on a ProcessMinidump process.",
|
||
|
"process plugin <subcommand> [<subcommand-options>]") {
|
||
|
LoadSubCommand("dump",
|
||
|
CommandObjectSP(new CommandObjectProcessMinidumpDump(interpreter)));
|
||
|
}
|
||
|
|
||
|
~CommandObjectMultiwordProcessMinidump() override {}
|
||
|
};
|
||
|
|
||
|
CommandObject *ProcessMinidump::GetPluginCommandObject() {
|
||
|
if (!m_command_sp)
|
||
|
m_command_sp = std::make_shared<CommandObjectMultiwordProcessMinidump>(
|
||
|
GetTarget().GetDebugger().GetCommandInterpreter());
|
||
|
return m_command_sp.get();
|
||
|
}
|