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authorpatrick <patrick@openbsd.org>2020-08-03 14:33:06 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 14:33:06 +0000
commit061da546b983eb767bad15e67af1174fb0bcf31c (patch)
tree83c78b820819d70aa40c36d90447978b300078c5 /gnu/llvm/lldb/source/Target/Target.cpp
parentImport LLVM 10.0.0 release including clang, lld and lldb. (diff)
downloadwireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.tar.xz
wireguard-openbsd-061da546b983eb767bad15e67af1174fb0bcf31c.zip
Import LLVM 10.0.0 release including clang, lld and lldb.
ok hackroom tested by plenty
Diffstat (limited to 'gnu/llvm/lldb/source/Target/Target.cpp')
-rw-r--r--gnu/llvm/lldb/source/Target/Target.cpp4081
1 files changed, 4081 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/source/Target/Target.cpp b/gnu/llvm/lldb/source/Target/Target.cpp
new file mode 100644
index 00000000000..83e6f306266
--- /dev/null
+++ b/gnu/llvm/lldb/source/Target/Target.cpp
@@ -0,0 +1,4081 @@
+//===-- Target.cpp ----------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/Target.h"
+#include "Plugins/ExpressionParser/Clang/ClangModulesDeclVendor.h"
+#include "lldb/Breakpoint/BreakpointIDList.h"
+#include "lldb/Breakpoint/BreakpointPrecondition.h"
+#include "lldb/Breakpoint/BreakpointResolver.h"
+#include "lldb/Breakpoint/BreakpointResolverAddress.h"
+#include "lldb/Breakpoint/BreakpointResolverFileLine.h"
+#include "lldb/Breakpoint/BreakpointResolverFileRegex.h"
+#include "lldb/Breakpoint/BreakpointResolverName.h"
+#include "lldb/Breakpoint/BreakpointResolverScripted.h"
+#include "lldb/Breakpoint/Watchpoint.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/Module.h"
+#include "lldb/Core/ModuleSpec.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/SearchFilter.h"
+#include "lldb/Core/Section.h"
+#include "lldb/Core/SourceManager.h"
+#include "lldb/Core/StreamFile.h"
+#include "lldb/Core/StructuredDataImpl.h"
+#include "lldb/Core/ValueObject.h"
+#include "lldb/Expression/REPL.h"
+#include "lldb/Expression/UserExpression.h"
+#include "lldb/Host/Host.h"
+#include "lldb/Host/PosixApi.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Interpreter/OptionGroupWatchpoint.h"
+#include "lldb/Interpreter/OptionValues.h"
+#include "lldb/Interpreter/Property.h"
+#include "lldb/Symbol/ClangASTContext.h"
+#include "lldb/Symbol/ClangASTImporter.h"
+#include "lldb/Symbol/Function.h"
+#include "lldb/Symbol/ObjectFile.h"
+#include "lldb/Symbol/Symbol.h"
+#include "lldb/Target/Language.h"
+#include "lldb/Target/LanguageRuntime.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/SectionLoadList.h"
+#include "lldb/Target/StackFrame.h"
+#include "lldb/Target/SystemRuntime.h"
+#include "lldb/Target/Thread.h"
+#include "lldb/Target/ThreadSpec.h"
+#include "lldb/Utility/Event.h"
+#include "lldb/Utility/FileSpec.h"
+#include "lldb/Utility/LLDBAssert.h"
+#include "lldb/Utility/Log.h"
+#include "lldb/Utility/State.h"
+#include "lldb/Utility/StreamString.h"
+#include "lldb/Utility/Timer.h"
+
+#include "llvm/ADT/ScopeExit.h"
+
+#include <memory>
+#include <mutex>
+
+using namespace lldb;
+using namespace lldb_private;
+
+constexpr std::chrono::milliseconds EvaluateExpressionOptions::default_timeout;
+
+Target::Arch::Arch(const ArchSpec &spec)
+ : m_spec(spec),
+ m_plugin_up(PluginManager::CreateArchitectureInstance(spec)) {}
+
+const Target::Arch &Target::Arch::operator=(const ArchSpec &spec) {
+ m_spec = spec;
+ m_plugin_up = PluginManager::CreateArchitectureInstance(spec);
+ return *this;
+}
+
+ConstString &Target::GetStaticBroadcasterClass() {
+ static ConstString class_name("lldb.target");
+ return class_name;
+}
+
+Target::Target(Debugger &debugger, const ArchSpec &target_arch,
+ const lldb::PlatformSP &platform_sp, bool is_dummy_target)
+ : TargetProperties(this),
+ Broadcaster(debugger.GetBroadcasterManager(),
+ Target::GetStaticBroadcasterClass().AsCString()),
+ ExecutionContextScope(), m_debugger(debugger), m_platform_sp(platform_sp),
+ m_mutex(), m_arch(target_arch), m_images(this), m_section_load_history(),
+ m_breakpoint_list(false), m_internal_breakpoint_list(true),
+ m_watchpoint_list(), m_process_sp(), m_search_filter_sp(),
+ m_image_search_paths(ImageSearchPathsChanged, this), m_ast_importer_sp(),
+ m_source_manager_up(), m_stop_hooks(), m_stop_hook_next_id(0),
+ m_valid(true), m_suppress_stop_hooks(false),
+ m_is_dummy_target(is_dummy_target),
+ m_stats_storage(static_cast<int>(StatisticKind::StatisticMax))
+
+{
+ SetEventName(eBroadcastBitBreakpointChanged, "breakpoint-changed");
+ SetEventName(eBroadcastBitModulesLoaded, "modules-loaded");
+ SetEventName(eBroadcastBitModulesUnloaded, "modules-unloaded");
+ SetEventName(eBroadcastBitWatchpointChanged, "watchpoint-changed");
+ SetEventName(eBroadcastBitSymbolsLoaded, "symbols-loaded");
+
+ CheckInWithManager();
+
+ LLDB_LOG(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT),
+ "{0} Target::Target()", static_cast<void *>(this));
+ if (target_arch.IsValid()) {
+ LLDB_LOG(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_TARGET),
+ "Target::Target created with architecture {0} ({1})",
+ target_arch.GetArchitectureName(),
+ target_arch.GetTriple().getTriple().c_str());
+ }
+}
+
+Target::~Target() {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT));
+ LLDB_LOG(log, "{0} Target::~Target()", static_cast<void *>(this));
+ DeleteCurrentProcess();
+}
+
+void Target::PrimeFromDummyTarget(Target *target) {
+ if (!target)
+ return;
+
+ m_stop_hooks = target->m_stop_hooks;
+
+ for (BreakpointSP breakpoint_sp : target->m_breakpoint_list.Breakpoints()) {
+ if (breakpoint_sp->IsInternal())
+ continue;
+
+ BreakpointSP new_bp(new Breakpoint(*this, *breakpoint_sp.get()));
+ AddBreakpoint(new_bp, false);
+ }
+
+ for (auto bp_name_entry : target->m_breakpoint_names) {
+
+ BreakpointName *new_bp_name = new BreakpointName(*bp_name_entry.second);
+ AddBreakpointName(new_bp_name);
+ }
+}
+
+void Target::Dump(Stream *s, lldb::DescriptionLevel description_level) {
+ // s->Printf("%.*p: ", (int)sizeof(void*) * 2, this);
+ if (description_level != lldb::eDescriptionLevelBrief) {
+ s->Indent();
+ s->PutCString("Target\n");
+ s->IndentMore();
+ m_images.Dump(s);
+ m_breakpoint_list.Dump(s);
+ m_internal_breakpoint_list.Dump(s);
+ s->IndentLess();
+ } else {
+ Module *exe_module = GetExecutableModulePointer();
+ if (exe_module)
+ s->PutCString(exe_module->GetFileSpec().GetFilename().GetCString());
+ else
+ s->PutCString("No executable module.");
+ }
+}
+
+void Target::CleanupProcess() {
+ // Do any cleanup of the target we need to do between process instances.
+ // NB It is better to do this before destroying the process in case the
+ // clean up needs some help from the process.
+ m_breakpoint_list.ClearAllBreakpointSites();
+ m_internal_breakpoint_list.ClearAllBreakpointSites();
+ // Disable watchpoints just on the debugger side.
+ std::unique_lock<std::recursive_mutex> lock;
+ this->GetWatchpointList().GetListMutex(lock);
+ DisableAllWatchpoints(false);
+ ClearAllWatchpointHitCounts();
+ ClearAllWatchpointHistoricValues();
+}
+
+void Target::DeleteCurrentProcess() {
+ if (m_process_sp) {
+ m_section_load_history.Clear();
+ if (m_process_sp->IsAlive())
+ m_process_sp->Destroy(false);
+
+ m_process_sp->Finalize();
+
+ CleanupProcess();
+
+ m_process_sp.reset();
+ }
+}
+
+const lldb::ProcessSP &Target::CreateProcess(ListenerSP listener_sp,
+ llvm::StringRef plugin_name,
+ const FileSpec *crash_file) {
+ if (!listener_sp)
+ listener_sp = GetDebugger().GetListener();
+ DeleteCurrentProcess();
+ m_process_sp = Process::FindPlugin(shared_from_this(), plugin_name,
+ listener_sp, crash_file);
+ return m_process_sp;
+}
+
+const lldb::ProcessSP &Target::GetProcessSP() const { return m_process_sp; }
+
+lldb::REPLSP Target::GetREPL(Status &err, lldb::LanguageType language,
+ const char *repl_options, bool can_create) {
+ if (language == eLanguageTypeUnknown) {
+ LanguageSet repl_languages = Language::GetLanguagesSupportingREPLs();
+
+ if (auto single_lang = repl_languages.GetSingularLanguage()) {
+ language = *single_lang;
+ } else if (repl_languages.Empty()) {
+ err.SetErrorStringWithFormat(
+ "LLDB isn't configured with REPL support for any languages.");
+ return REPLSP();
+ } else {
+ err.SetErrorStringWithFormat(
+ "Multiple possible REPL languages. Please specify a language.");
+ return REPLSP();
+ }
+ }
+
+ REPLMap::iterator pos = m_repl_map.find(language);
+
+ if (pos != m_repl_map.end()) {
+ return pos->second;
+ }
+
+ if (!can_create) {
+ err.SetErrorStringWithFormat(
+ "Couldn't find an existing REPL for %s, and can't create a new one",
+ Language::GetNameForLanguageType(language));
+ return lldb::REPLSP();
+ }
+
+ Debugger *const debugger = nullptr;
+ lldb::REPLSP ret = REPL::Create(err, language, debugger, this, repl_options);
+
+ if (ret) {
+ m_repl_map[language] = ret;
+ return m_repl_map[language];
+ }
+
+ if (err.Success()) {
+ err.SetErrorStringWithFormat("Couldn't create a REPL for %s",
+ Language::GetNameForLanguageType(language));
+ }
+
+ return lldb::REPLSP();
+}
+
+void Target::SetREPL(lldb::LanguageType language, lldb::REPLSP repl_sp) {
+ lldbassert(!m_repl_map.count(language));
+
+ m_repl_map[language] = repl_sp;
+}
+
+void Target::Destroy() {
+ std::lock_guard<std::recursive_mutex> guard(m_mutex);
+ m_valid = false;
+ DeleteCurrentProcess();
+ m_platform_sp.reset();
+ m_arch = ArchSpec();
+ ClearModules(true);
+ m_section_load_history.Clear();
+ const bool notify = false;
+ m_breakpoint_list.RemoveAll(notify);
+ m_internal_breakpoint_list.RemoveAll(notify);
+ m_last_created_breakpoint.reset();
+ m_last_created_watchpoint.reset();
+ m_search_filter_sp.reset();
+ m_image_search_paths.Clear(notify);
+ m_stop_hooks.clear();
+ m_stop_hook_next_id = 0;
+ m_suppress_stop_hooks = false;
+}
+
+BreakpointList &Target::GetBreakpointList(bool internal) {
+ if (internal)
+ return m_internal_breakpoint_list;
+ else
+ return m_breakpoint_list;
+}
+
+const BreakpointList &Target::GetBreakpointList(bool internal) const {
+ if (internal)
+ return m_internal_breakpoint_list;
+ else
+ return m_breakpoint_list;
+}
+
+BreakpointSP Target::GetBreakpointByID(break_id_t break_id) {
+ BreakpointSP bp_sp;
+
+ if (LLDB_BREAK_ID_IS_INTERNAL(break_id))
+ bp_sp = m_internal_breakpoint_list.FindBreakpointByID(break_id);
+ else
+ bp_sp = m_breakpoint_list.FindBreakpointByID(break_id);
+
+ return bp_sp;
+}
+
+BreakpointSP Target::CreateSourceRegexBreakpoint(
+ const FileSpecList *containingModules,
+ const FileSpecList *source_file_spec_list,
+ const std::unordered_set<std::string> &function_names,
+ RegularExpression source_regex, bool internal, bool hardware,
+ LazyBool move_to_nearest_code) {
+ SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList(
+ containingModules, source_file_spec_list));
+ if (move_to_nearest_code == eLazyBoolCalculate)
+ move_to_nearest_code = GetMoveToNearestCode() ? eLazyBoolYes : eLazyBoolNo;
+ BreakpointResolverSP resolver_sp(new BreakpointResolverFileRegex(
+ nullptr, std::move(source_regex), function_names,
+ !static_cast<bool>(move_to_nearest_code)));
+
+ return CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, true);
+}
+
+BreakpointSP Target::CreateBreakpoint(const FileSpecList *containingModules,
+ const FileSpec &file, uint32_t line_no,
+ uint32_t column, lldb::addr_t offset,
+ LazyBool check_inlines,
+ LazyBool skip_prologue, bool internal,
+ bool hardware,
+ LazyBool move_to_nearest_code) {
+ FileSpec remapped_file;
+ if (!GetSourcePathMap().ReverseRemapPath(file, remapped_file))
+ remapped_file = file;
+
+ if (check_inlines == eLazyBoolCalculate) {
+ const InlineStrategy inline_strategy = GetInlineStrategy();
+ switch (inline_strategy) {
+ case eInlineBreakpointsNever:
+ check_inlines = eLazyBoolNo;
+ break;
+
+ case eInlineBreakpointsHeaders:
+ if (remapped_file.IsSourceImplementationFile())
+ check_inlines = eLazyBoolNo;
+ else
+ check_inlines = eLazyBoolYes;
+ break;
+
+ case eInlineBreakpointsAlways:
+ check_inlines = eLazyBoolYes;
+ break;
+ }
+ }
+ SearchFilterSP filter_sp;
+ if (check_inlines == eLazyBoolNo) {
+ // Not checking for inlines, we are looking only for matching compile units
+ FileSpecList compile_unit_list;
+ compile_unit_list.Append(remapped_file);
+ filter_sp = GetSearchFilterForModuleAndCUList(containingModules,
+ &compile_unit_list);
+ } else {
+ filter_sp = GetSearchFilterForModuleList(containingModules);
+ }
+ if (skip_prologue == eLazyBoolCalculate)
+ skip_prologue = GetSkipPrologue() ? eLazyBoolYes : eLazyBoolNo;
+ if (move_to_nearest_code == eLazyBoolCalculate)
+ move_to_nearest_code = GetMoveToNearestCode() ? eLazyBoolYes : eLazyBoolNo;
+
+ BreakpointResolverSP resolver_sp(new BreakpointResolverFileLine(
+ nullptr, remapped_file, line_no, column, offset, check_inlines,
+ skip_prologue, !static_cast<bool>(move_to_nearest_code)));
+ return CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, true);
+}
+
+BreakpointSP Target::CreateBreakpoint(lldb::addr_t addr, bool internal,
+ bool hardware) {
+ Address so_addr;
+
+ // Check for any reason we want to move this breakpoint to other address.
+ addr = GetBreakableLoadAddress(addr);
+
+ // Attempt to resolve our load address if possible, though it is ok if it
+ // doesn't resolve to section/offset.
+
+ // Try and resolve as a load address if possible
+ GetSectionLoadList().ResolveLoadAddress(addr, so_addr);
+ if (!so_addr.IsValid()) {
+ // The address didn't resolve, so just set this as an absolute address
+ so_addr.SetOffset(addr);
+ }
+ BreakpointSP bp_sp(CreateBreakpoint(so_addr, internal, hardware));
+ return bp_sp;
+}
+
+BreakpointSP Target::CreateBreakpoint(const Address &addr, bool internal,
+ bool hardware) {
+ SearchFilterSP filter_sp(
+ new SearchFilterForUnconstrainedSearches(shared_from_this()));
+ BreakpointResolverSP resolver_sp(
+ new BreakpointResolverAddress(nullptr, addr));
+ return CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, false);
+}
+
+lldb::BreakpointSP
+Target::CreateAddressInModuleBreakpoint(lldb::addr_t file_addr, bool internal,
+ const FileSpec *file_spec,
+ bool request_hardware) {
+ SearchFilterSP filter_sp(
+ new SearchFilterForUnconstrainedSearches(shared_from_this()));
+ BreakpointResolverSP resolver_sp(new BreakpointResolverAddress(
+ nullptr, file_addr, file_spec ? *file_spec : FileSpec()));
+ return CreateBreakpoint(filter_sp, resolver_sp, internal, request_hardware,
+ false);
+}
+
+BreakpointSP Target::CreateBreakpoint(
+ const FileSpecList *containingModules,
+ const FileSpecList *containingSourceFiles, const char *func_name,
+ FunctionNameType func_name_type_mask, LanguageType language,
+ lldb::addr_t offset, LazyBool skip_prologue, bool internal, bool hardware) {
+ BreakpointSP bp_sp;
+ if (func_name) {
+ SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList(
+ containingModules, containingSourceFiles));
+
+ if (skip_prologue == eLazyBoolCalculate)
+ skip_prologue = GetSkipPrologue() ? eLazyBoolYes : eLazyBoolNo;
+ if (language == lldb::eLanguageTypeUnknown)
+ language = GetLanguage();
+
+ BreakpointResolverSP resolver_sp(new BreakpointResolverName(
+ nullptr, func_name, func_name_type_mask, language, Breakpoint::Exact,
+ offset, skip_prologue));
+ bp_sp = CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, true);
+ }
+ return bp_sp;
+}
+
+lldb::BreakpointSP
+Target::CreateBreakpoint(const FileSpecList *containingModules,
+ const FileSpecList *containingSourceFiles,
+ const std::vector<std::string> &func_names,
+ FunctionNameType func_name_type_mask,
+ LanguageType language, lldb::addr_t offset,
+ LazyBool skip_prologue, bool internal, bool hardware) {
+ BreakpointSP bp_sp;
+ size_t num_names = func_names.size();
+ if (num_names > 0) {
+ SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList(
+ containingModules, containingSourceFiles));
+
+ if (skip_prologue == eLazyBoolCalculate)
+ skip_prologue = GetSkipPrologue() ? eLazyBoolYes : eLazyBoolNo;
+ if (language == lldb::eLanguageTypeUnknown)
+ language = GetLanguage();
+
+ BreakpointResolverSP resolver_sp(
+ new BreakpointResolverName(nullptr, func_names, func_name_type_mask,
+ language, offset, skip_prologue));
+ bp_sp = CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, true);
+ }
+ return bp_sp;
+}
+
+BreakpointSP
+Target::CreateBreakpoint(const FileSpecList *containingModules,
+ const FileSpecList *containingSourceFiles,
+ const char *func_names[], size_t num_names,
+ FunctionNameType func_name_type_mask,
+ LanguageType language, lldb::addr_t offset,
+ LazyBool skip_prologue, bool internal, bool hardware) {
+ BreakpointSP bp_sp;
+ if (num_names > 0) {
+ SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList(
+ containingModules, containingSourceFiles));
+
+ if (skip_prologue == eLazyBoolCalculate) {
+ if (offset == 0)
+ skip_prologue = GetSkipPrologue() ? eLazyBoolYes : eLazyBoolNo;
+ else
+ skip_prologue = eLazyBoolNo;
+ }
+ if (language == lldb::eLanguageTypeUnknown)
+ language = GetLanguage();
+
+ BreakpointResolverSP resolver_sp(new BreakpointResolverName(
+ nullptr, func_names, num_names, func_name_type_mask, language, offset,
+ skip_prologue));
+ resolver_sp->SetOffset(offset);
+ bp_sp = CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, true);
+ }
+ return bp_sp;
+}
+
+SearchFilterSP
+Target::GetSearchFilterForModule(const FileSpec *containingModule) {
+ SearchFilterSP filter_sp;
+ if (containingModule != nullptr) {
+ // TODO: We should look into sharing module based search filters
+ // across many breakpoints like we do for the simple target based one
+ filter_sp = std::make_shared<SearchFilterByModule>(shared_from_this(),
+ *containingModule);
+ } else {
+ if (!m_search_filter_sp)
+ m_search_filter_sp =
+ std::make_shared<SearchFilterForUnconstrainedSearches>(
+ shared_from_this());
+ filter_sp = m_search_filter_sp;
+ }
+ return filter_sp;
+}
+
+SearchFilterSP
+Target::GetSearchFilterForModuleList(const FileSpecList *containingModules) {
+ SearchFilterSP filter_sp;
+ if (containingModules && containingModules->GetSize() != 0) {
+ // TODO: We should look into sharing module based search filters
+ // across many breakpoints like we do for the simple target based one
+ filter_sp = std::make_shared<SearchFilterByModuleList>(shared_from_this(),
+ *containingModules);
+ } else {
+ if (!m_search_filter_sp)
+ m_search_filter_sp =
+ std::make_shared<SearchFilterForUnconstrainedSearches>(
+ shared_from_this());
+ filter_sp = m_search_filter_sp;
+ }
+ return filter_sp;
+}
+
+SearchFilterSP Target::GetSearchFilterForModuleAndCUList(
+ const FileSpecList *containingModules,
+ const FileSpecList *containingSourceFiles) {
+ if (containingSourceFiles == nullptr || containingSourceFiles->GetSize() == 0)
+ return GetSearchFilterForModuleList(containingModules);
+
+ SearchFilterSP filter_sp;
+ if (containingModules == nullptr) {
+ // We could make a special "CU List only SearchFilter". Better yet was if
+ // these could be composable, but that will take a little reworking.
+
+ filter_sp = std::make_shared<SearchFilterByModuleListAndCU>(
+ shared_from_this(), FileSpecList(), *containingSourceFiles);
+ } else {
+ filter_sp = std::make_shared<SearchFilterByModuleListAndCU>(
+ shared_from_this(), *containingModules, *containingSourceFiles);
+ }
+ return filter_sp;
+}
+
+BreakpointSP Target::CreateFuncRegexBreakpoint(
+ const FileSpecList *containingModules,
+ const FileSpecList *containingSourceFiles, RegularExpression func_regex,
+ lldb::LanguageType requested_language, LazyBool skip_prologue,
+ bool internal, bool hardware) {
+ SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList(
+ containingModules, containingSourceFiles));
+ bool skip = (skip_prologue == eLazyBoolCalculate)
+ ? GetSkipPrologue()
+ : static_cast<bool>(skip_prologue);
+ BreakpointResolverSP resolver_sp(new BreakpointResolverName(
+ nullptr, std::move(func_regex), requested_language, 0, skip));
+
+ return CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, true);
+}
+
+lldb::BreakpointSP
+Target::CreateExceptionBreakpoint(enum lldb::LanguageType language,
+ bool catch_bp, bool throw_bp, bool internal,
+ Args *additional_args, Status *error) {
+ BreakpointSP exc_bkpt_sp = LanguageRuntime::CreateExceptionBreakpoint(
+ *this, language, catch_bp, throw_bp, internal);
+ if (exc_bkpt_sp && additional_args) {
+ BreakpointPreconditionSP precondition_sp = exc_bkpt_sp->GetPrecondition();
+ if (precondition_sp && additional_args) {
+ if (error)
+ *error = precondition_sp->ConfigurePrecondition(*additional_args);
+ else
+ precondition_sp->ConfigurePrecondition(*additional_args);
+ }
+ }
+ return exc_bkpt_sp;
+}
+
+lldb::BreakpointSP Target::CreateScriptedBreakpoint(
+ const llvm::StringRef class_name, const FileSpecList *containingModules,
+ const FileSpecList *containingSourceFiles, bool internal,
+ bool request_hardware, StructuredData::ObjectSP extra_args_sp,
+ Status *creation_error) {
+ SearchFilterSP filter_sp;
+
+ lldb::SearchDepth depth = lldb::eSearchDepthTarget;
+ bool has_files =
+ containingSourceFiles && containingSourceFiles->GetSize() > 0;
+ bool has_modules = containingModules && containingModules->GetSize() > 0;
+
+ if (has_files && has_modules) {
+ filter_sp = GetSearchFilterForModuleAndCUList(containingModules,
+ containingSourceFiles);
+ } else if (has_files) {
+ filter_sp =
+ GetSearchFilterForModuleAndCUList(nullptr, containingSourceFiles);
+ } else if (has_modules) {
+ filter_sp = GetSearchFilterForModuleList(containingModules);
+ } else {
+ filter_sp = std::make_shared<SearchFilterForUnconstrainedSearches>(
+ shared_from_this());
+ }
+
+ StructuredDataImpl *extra_args_impl = new StructuredDataImpl();
+ if (extra_args_sp)
+ extra_args_impl->SetObjectSP(extra_args_sp);
+
+ BreakpointResolverSP resolver_sp(new BreakpointResolverScripted(
+ nullptr, class_name, depth, extra_args_impl));
+ return CreateBreakpoint(filter_sp, resolver_sp, internal, false, true);
+}
+
+BreakpointSP Target::CreateBreakpoint(SearchFilterSP &filter_sp,
+ BreakpointResolverSP &resolver_sp,
+ bool internal, bool request_hardware,
+ bool resolve_indirect_symbols) {
+ BreakpointSP bp_sp;
+ if (filter_sp && resolver_sp) {
+ const bool hardware = request_hardware || GetRequireHardwareBreakpoints();
+ bp_sp.reset(new Breakpoint(*this, filter_sp, resolver_sp, hardware,
+ resolve_indirect_symbols));
+ resolver_sp->SetBreakpoint(bp_sp.get());
+ AddBreakpoint(bp_sp, internal);
+ }
+ return bp_sp;
+}
+
+void Target::AddBreakpoint(lldb::BreakpointSP bp_sp, bool internal) {
+ if (!bp_sp)
+ return;
+ if (internal)
+ m_internal_breakpoint_list.Add(bp_sp, false);
+ else
+ m_breakpoint_list.Add(bp_sp, true);
+
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ if (log) {
+ StreamString s;
+ bp_sp->GetDescription(&s, lldb::eDescriptionLevelVerbose);
+ LLDB_LOGF(log, "Target::%s (internal = %s) => break_id = %s\n",
+ __FUNCTION__, bp_sp->IsInternal() ? "yes" : "no", s.GetData());
+ }
+
+ bp_sp->ResolveBreakpoint();
+
+ if (!internal) {
+ m_last_created_breakpoint = bp_sp;
+ }
+}
+
+void Target::AddNameToBreakpoint(BreakpointID &id, const char *name,
+ Status &error) {
+ BreakpointSP bp_sp =
+ m_breakpoint_list.FindBreakpointByID(id.GetBreakpointID());
+ if (!bp_sp) {
+ StreamString s;
+ id.GetDescription(&s, eDescriptionLevelBrief);
+ error.SetErrorStringWithFormat("Could not find breakpoint %s", s.GetData());
+ return;
+ }
+ AddNameToBreakpoint(bp_sp, name, error);
+}
+
+void Target::AddNameToBreakpoint(BreakpointSP &bp_sp, const char *name,
+ Status &error) {
+ if (!bp_sp)
+ return;
+
+ BreakpointName *bp_name = FindBreakpointName(ConstString(name), true, error);
+ if (!bp_name)
+ return;
+
+ bp_name->ConfigureBreakpoint(bp_sp);
+ bp_sp->AddName(name);
+}
+
+void Target::AddBreakpointName(BreakpointName *bp_name) {
+ m_breakpoint_names.insert(std::make_pair(bp_name->GetName(), bp_name));
+}
+
+BreakpointName *Target::FindBreakpointName(ConstString name, bool can_create,
+ Status &error) {
+ BreakpointID::StringIsBreakpointName(name.GetStringRef(), error);
+ if (!error.Success())
+ return nullptr;
+
+ BreakpointNameList::iterator iter = m_breakpoint_names.find(name);
+ if (iter == m_breakpoint_names.end()) {
+ if (!can_create) {
+ error.SetErrorStringWithFormat("Breakpoint name \"%s\" doesn't exist and "
+ "can_create is false.",
+ name.AsCString());
+ return nullptr;
+ }
+
+ iter = m_breakpoint_names
+ .insert(std::make_pair(name, new BreakpointName(name)))
+ .first;
+ }
+ return (iter->second);
+}
+
+void Target::DeleteBreakpointName(ConstString name) {
+ BreakpointNameList::iterator iter = m_breakpoint_names.find(name);
+
+ if (iter != m_breakpoint_names.end()) {
+ const char *name_cstr = name.AsCString();
+ m_breakpoint_names.erase(iter);
+ for (auto bp_sp : m_breakpoint_list.Breakpoints())
+ bp_sp->RemoveName(name_cstr);
+ }
+}
+
+void Target::RemoveNameFromBreakpoint(lldb::BreakpointSP &bp_sp,
+ ConstString name) {
+ bp_sp->RemoveName(name.AsCString());
+}
+
+void Target::ConfigureBreakpointName(
+ BreakpointName &bp_name, const BreakpointOptions &new_options,
+ const BreakpointName::Permissions &new_permissions) {
+ bp_name.GetOptions().CopyOverSetOptions(new_options);
+ bp_name.GetPermissions().MergeInto(new_permissions);
+ ApplyNameToBreakpoints(bp_name);
+}
+
+void Target::ApplyNameToBreakpoints(BreakpointName &bp_name) {
+ llvm::Expected<std::vector<BreakpointSP>> expected_vector =
+ m_breakpoint_list.FindBreakpointsByName(bp_name.GetName().AsCString());
+
+ if (!expected_vector) {
+ LLDB_LOG(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS),
+ "invalid breakpoint name: {}",
+ llvm::toString(expected_vector.takeError()));
+ return;
+ }
+
+ for (auto bp_sp : *expected_vector)
+ bp_name.ConfigureBreakpoint(bp_sp);
+}
+
+void Target::GetBreakpointNames(std::vector<std::string> &names) {
+ names.clear();
+ for (auto bp_name : m_breakpoint_names) {
+ names.push_back(bp_name.first.AsCString());
+ }
+ llvm::sort(names.begin(), names.end());
+}
+
+bool Target::ProcessIsValid() {
+ return (m_process_sp && m_process_sp->IsAlive());
+}
+
+static bool CheckIfWatchpointsSupported(Target *target, Status &error) {
+ uint32_t num_supported_hardware_watchpoints;
+ Status rc = target->GetProcessSP()->GetWatchpointSupportInfo(
+ num_supported_hardware_watchpoints);
+
+ // If unable to determine the # of watchpoints available,
+ // assume they are supported.
+ if (rc.Fail())
+ return true;
+
+ if (num_supported_hardware_watchpoints == 0) {
+ error.SetErrorStringWithFormat(
+ "Target supports (%u) hardware watchpoint slots.\n",
+ num_supported_hardware_watchpoints);
+ return false;
+ }
+ return true;
+}
+
+// See also Watchpoint::SetWatchpointType(uint32_t type) and the
+// OptionGroupWatchpoint::WatchType enum type.
+WatchpointSP Target::CreateWatchpoint(lldb::addr_t addr, size_t size,
+ const CompilerType *type, uint32_t kind,
+ Status &error) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log,
+ "Target::%s (addr = 0x%8.8" PRIx64 " size = %" PRIu64
+ " type = %u)\n",
+ __FUNCTION__, addr, (uint64_t)size, kind);
+
+ WatchpointSP wp_sp;
+ if (!ProcessIsValid()) {
+ error.SetErrorString("process is not alive");
+ return wp_sp;
+ }
+
+ if (addr == LLDB_INVALID_ADDRESS || size == 0) {
+ if (size == 0)
+ error.SetErrorString("cannot set a watchpoint with watch_size of 0");
+ else
+ error.SetErrorStringWithFormat("invalid watch address: %" PRIu64, addr);
+ return wp_sp;
+ }
+
+ if (!LLDB_WATCH_TYPE_IS_VALID(kind)) {
+ error.SetErrorStringWithFormat("invalid watchpoint type: %d", kind);
+ }
+
+ if (!CheckIfWatchpointsSupported(this, error))
+ return wp_sp;
+
+ // Currently we only support one watchpoint per address, with total number of
+ // watchpoints limited by the hardware which the inferior is running on.
+
+ // Grab the list mutex while doing operations.
+ const bool notify = false; // Don't notify about all the state changes we do
+ // on creating the watchpoint.
+ std::unique_lock<std::recursive_mutex> lock;
+ this->GetWatchpointList().GetListMutex(lock);
+ WatchpointSP matched_sp = m_watchpoint_list.FindByAddress(addr);
+ if (matched_sp) {
+ size_t old_size = matched_sp->GetByteSize();
+ uint32_t old_type =
+ (matched_sp->WatchpointRead() ? LLDB_WATCH_TYPE_READ : 0) |
+ (matched_sp->WatchpointWrite() ? LLDB_WATCH_TYPE_WRITE : 0);
+ // Return the existing watchpoint if both size and type match.
+ if (size == old_size && kind == old_type) {
+ wp_sp = matched_sp;
+ wp_sp->SetEnabled(false, notify);
+ } else {
+ // Nil the matched watchpoint; we will be creating a new one.
+ m_process_sp->DisableWatchpoint(matched_sp.get(), notify);
+ m_watchpoint_list.Remove(matched_sp->GetID(), true);
+ }
+ }
+
+ if (!wp_sp) {
+ wp_sp = std::make_shared<Watchpoint>(*this, addr, size, type);
+ wp_sp->SetWatchpointType(kind, notify);
+ m_watchpoint_list.Add(wp_sp, true);
+ }
+
+ error = m_process_sp->EnableWatchpoint(wp_sp.get(), notify);
+ LLDB_LOGF(log, "Target::%s (creation of watchpoint %s with id = %u)\n",
+ __FUNCTION__, error.Success() ? "succeeded" : "failed",
+ wp_sp->GetID());
+
+ if (error.Fail()) {
+ // Enabling the watchpoint on the device side failed. Remove the said
+ // watchpoint from the list maintained by the target instance.
+ m_watchpoint_list.Remove(wp_sp->GetID(), true);
+ // See if we could provide more helpful error message.
+ if (!OptionGroupWatchpoint::IsWatchSizeSupported(size))
+ error.SetErrorStringWithFormat(
+ "watch size of %" PRIu64 " is not supported", (uint64_t)size);
+
+ wp_sp.reset();
+ } else
+ m_last_created_watchpoint = wp_sp;
+ return wp_sp;
+}
+
+void Target::RemoveAllowedBreakpoints() {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s \n", __FUNCTION__);
+
+ m_breakpoint_list.RemoveAllowed(true);
+
+ m_last_created_breakpoint.reset();
+}
+
+void Target::RemoveAllBreakpoints(bool internal_also) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s (internal_also = %s)\n", __FUNCTION__,
+ internal_also ? "yes" : "no");
+
+ m_breakpoint_list.RemoveAll(true);
+ if (internal_also)
+ m_internal_breakpoint_list.RemoveAll(false);
+
+ m_last_created_breakpoint.reset();
+}
+
+void Target::DisableAllBreakpoints(bool internal_also) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s (internal_also = %s)\n", __FUNCTION__,
+ internal_also ? "yes" : "no");
+
+ m_breakpoint_list.SetEnabledAll(false);
+ if (internal_also)
+ m_internal_breakpoint_list.SetEnabledAll(false);
+}
+
+void Target::DisableAllowedBreakpoints() {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s", __FUNCTION__);
+
+ m_breakpoint_list.SetEnabledAllowed(false);
+}
+
+void Target::EnableAllBreakpoints(bool internal_also) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s (internal_also = %s)\n", __FUNCTION__,
+ internal_also ? "yes" : "no");
+
+ m_breakpoint_list.SetEnabledAll(true);
+ if (internal_also)
+ m_internal_breakpoint_list.SetEnabledAll(true);
+}
+
+void Target::EnableAllowedBreakpoints() {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s", __FUNCTION__);
+
+ m_breakpoint_list.SetEnabledAllowed(true);
+}
+
+bool Target::RemoveBreakpointByID(break_id_t break_id) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s (break_id = %i, internal = %s)\n", __FUNCTION__,
+ break_id, LLDB_BREAK_ID_IS_INTERNAL(break_id) ? "yes" : "no");
+
+ if (DisableBreakpointByID(break_id)) {
+ if (LLDB_BREAK_ID_IS_INTERNAL(break_id))
+ m_internal_breakpoint_list.Remove(break_id, false);
+ else {
+ if (m_last_created_breakpoint) {
+ if (m_last_created_breakpoint->GetID() == break_id)
+ m_last_created_breakpoint.reset();
+ }
+ m_breakpoint_list.Remove(break_id, true);
+ }
+ return true;
+ }
+ return false;
+}
+
+bool Target::DisableBreakpointByID(break_id_t break_id) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s (break_id = %i, internal = %s)\n", __FUNCTION__,
+ break_id, LLDB_BREAK_ID_IS_INTERNAL(break_id) ? "yes" : "no");
+
+ BreakpointSP bp_sp;
+
+ if (LLDB_BREAK_ID_IS_INTERNAL(break_id))
+ bp_sp = m_internal_breakpoint_list.FindBreakpointByID(break_id);
+ else
+ bp_sp = m_breakpoint_list.FindBreakpointByID(break_id);
+ if (bp_sp) {
+ bp_sp->SetEnabled(false);
+ return true;
+ }
+ return false;
+}
+
+bool Target::EnableBreakpointByID(break_id_t break_id) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
+ LLDB_LOGF(log, "Target::%s (break_id = %i, internal = %s)\n", __FUNCTION__,
+ break_id, LLDB_BREAK_ID_IS_INTERNAL(break_id) ? "yes" : "no");
+
+ BreakpointSP bp_sp;
+
+ if (LLDB_BREAK_ID_IS_INTERNAL(break_id))
+ bp_sp = m_internal_breakpoint_list.FindBreakpointByID(break_id);
+ else
+ bp_sp = m_breakpoint_list.FindBreakpointByID(break_id);
+
+ if (bp_sp) {
+ bp_sp->SetEnabled(true);
+ return true;
+ }
+ return false;
+}
+
+Status Target::SerializeBreakpointsToFile(const FileSpec &file,
+ const BreakpointIDList &bp_ids,
+ bool append) {
+ Status error;
+
+ if (!file) {
+ error.SetErrorString("Invalid FileSpec.");
+ return error;
+ }
+
+ std::string path(file.GetPath());
+ StructuredData::ObjectSP input_data_sp;
+
+ StructuredData::ArraySP break_store_sp;
+ StructuredData::Array *break_store_ptr = nullptr;
+
+ if (append) {
+ input_data_sp = StructuredData::ParseJSONFromFile(file, error);
+ if (error.Success()) {
+ break_store_ptr = input_data_sp->GetAsArray();
+ if (!break_store_ptr) {
+ error.SetErrorStringWithFormat(
+ "Tried to append to invalid input file %s", path.c_str());
+ return error;
+ }
+ }
+ }
+
+ if (!break_store_ptr) {
+ break_store_sp = std::make_shared<StructuredData::Array>();
+ break_store_ptr = break_store_sp.get();
+ }
+
+ StreamFile out_file(path.c_str(),
+ File::eOpenOptionTruncate | File::eOpenOptionWrite |
+ File::eOpenOptionCanCreate |
+ File::eOpenOptionCloseOnExec,
+ lldb::eFilePermissionsFileDefault);
+ if (!out_file.GetFile().IsValid()) {
+ error.SetErrorStringWithFormat("Unable to open output file: %s.",
+ path.c_str());
+ return error;
+ }
+
+ std::unique_lock<std::recursive_mutex> lock;
+ GetBreakpointList().GetListMutex(lock);
+
+ if (bp_ids.GetSize() == 0) {
+ const BreakpointList &breakpoints = GetBreakpointList();
+
+ size_t num_breakpoints = breakpoints.GetSize();
+ for (size_t i = 0; i < num_breakpoints; i++) {
+ Breakpoint *bp = breakpoints.GetBreakpointAtIndex(i).get();
+ StructuredData::ObjectSP bkpt_save_sp = bp->SerializeToStructuredData();
+ // If a breakpoint can't serialize it, just ignore it for now:
+ if (bkpt_save_sp)
+ break_store_ptr->AddItem(bkpt_save_sp);
+ }
+ } else {
+
+ std::unordered_set<lldb::break_id_t> processed_bkpts;
+ const size_t count = bp_ids.GetSize();
+ for (size_t i = 0; i < count; ++i) {
+ BreakpointID cur_bp_id = bp_ids.GetBreakpointIDAtIndex(i);
+ lldb::break_id_t bp_id = cur_bp_id.GetBreakpointID();
+
+ if (bp_id != LLDB_INVALID_BREAK_ID) {
+ // Only do each breakpoint once:
+ std::pair<std::unordered_set<lldb::break_id_t>::iterator, bool>
+ insert_result = processed_bkpts.insert(bp_id);
+ if (!insert_result.second)
+ continue;
+
+ Breakpoint *bp = GetBreakpointByID(bp_id).get();
+ StructuredData::ObjectSP bkpt_save_sp = bp->SerializeToStructuredData();
+ // If the user explicitly asked to serialize a breakpoint, and we
+ // can't, then raise an error:
+ if (!bkpt_save_sp) {
+ error.SetErrorStringWithFormat("Unable to serialize breakpoint %d",
+ bp_id);
+ return error;
+ }
+ break_store_ptr->AddItem(bkpt_save_sp);
+ }
+ }
+ }
+
+ break_store_ptr->Dump(out_file, false);
+ out_file.PutChar('\n');
+ return error;
+}
+
+Status Target::CreateBreakpointsFromFile(const FileSpec &file,
+ BreakpointIDList &new_bps) {
+ std::vector<std::string> no_names;
+ return CreateBreakpointsFromFile(file, no_names, new_bps);
+}
+
+Status Target::CreateBreakpointsFromFile(const FileSpec &file,
+ std::vector<std::string> &names,
+ BreakpointIDList &new_bps) {
+ std::unique_lock<std::recursive_mutex> lock;
+ GetBreakpointList().GetListMutex(lock);
+
+ Status error;
+ StructuredData::ObjectSP input_data_sp =
+ StructuredData::ParseJSONFromFile(file, error);
+ if (!error.Success()) {
+ return error;
+ } else if (!input_data_sp || !input_data_sp->IsValid()) {
+ error.SetErrorStringWithFormat("Invalid JSON from input file: %s.",
+ file.GetPath().c_str());
+ return error;
+ }
+
+ StructuredData::Array *bkpt_array = input_data_sp->GetAsArray();
+ if (!bkpt_array) {
+ error.SetErrorStringWithFormat(
+ "Invalid breakpoint data from input file: %s.", file.GetPath().c_str());
+ return error;
+ }
+
+ size_t num_bkpts = bkpt_array->GetSize();
+ size_t num_names = names.size();
+
+ for (size_t i = 0; i < num_bkpts; i++) {
+ StructuredData::ObjectSP bkpt_object_sp = bkpt_array->GetItemAtIndex(i);
+ // Peel off the breakpoint key, and feed the rest to the Breakpoint:
+ StructuredData::Dictionary *bkpt_dict = bkpt_object_sp->GetAsDictionary();
+ if (!bkpt_dict) {
+ error.SetErrorStringWithFormat(
+ "Invalid breakpoint data for element %zu from input file: %s.", i,
+ file.GetPath().c_str());
+ return error;
+ }
+ StructuredData::ObjectSP bkpt_data_sp =
+ bkpt_dict->GetValueForKey(Breakpoint::GetSerializationKey());
+ if (num_names &&
+ !Breakpoint::SerializedBreakpointMatchesNames(bkpt_data_sp, names))
+ continue;
+
+ BreakpointSP bkpt_sp =
+ Breakpoint::CreateFromStructuredData(*this, bkpt_data_sp, error);
+ if (!error.Success()) {
+ error.SetErrorStringWithFormat(
+ "Error restoring breakpoint %zu from %s: %s.", i,
+ file.GetPath().c_str(), error.AsCString());
+ return error;
+ }
+ new_bps.AddBreakpointID(BreakpointID(bkpt_sp->GetID()));
+ }
+ return error;
+}
+
+// The flag 'end_to_end', default to true, signifies that the operation is
+// performed end to end, for both the debugger and the debuggee.
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list for end
+// to end operations.
+bool Target::RemoveAllWatchpoints(bool end_to_end) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s\n", __FUNCTION__);
+
+ if (!end_to_end) {
+ m_watchpoint_list.RemoveAll(true);
+ return true;
+ }
+
+ // Otherwise, it's an end to end operation.
+
+ if (!ProcessIsValid())
+ return false;
+
+ size_t num_watchpoints = m_watchpoint_list.GetSize();
+ for (size_t i = 0; i < num_watchpoints; ++i) {
+ WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i);
+ if (!wp_sp)
+ return false;
+
+ Status rc = m_process_sp->DisableWatchpoint(wp_sp.get());
+ if (rc.Fail())
+ return false;
+ }
+ m_watchpoint_list.RemoveAll(true);
+ m_last_created_watchpoint.reset();
+ return true; // Success!
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list for end
+// to end operations.
+bool Target::DisableAllWatchpoints(bool end_to_end) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s\n", __FUNCTION__);
+
+ if (!end_to_end) {
+ m_watchpoint_list.SetEnabledAll(false);
+ return true;
+ }
+
+ // Otherwise, it's an end to end operation.
+
+ if (!ProcessIsValid())
+ return false;
+
+ size_t num_watchpoints = m_watchpoint_list.GetSize();
+ for (size_t i = 0; i < num_watchpoints; ++i) {
+ WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i);
+ if (!wp_sp)
+ return false;
+
+ Status rc = m_process_sp->DisableWatchpoint(wp_sp.get());
+ if (rc.Fail())
+ return false;
+ }
+ return true; // Success!
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list for end
+// to end operations.
+bool Target::EnableAllWatchpoints(bool end_to_end) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s\n", __FUNCTION__);
+
+ if (!end_to_end) {
+ m_watchpoint_list.SetEnabledAll(true);
+ return true;
+ }
+
+ // Otherwise, it's an end to end operation.
+
+ if (!ProcessIsValid())
+ return false;
+
+ size_t num_watchpoints = m_watchpoint_list.GetSize();
+ for (size_t i = 0; i < num_watchpoints; ++i) {
+ WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i);
+ if (!wp_sp)
+ return false;
+
+ Status rc = m_process_sp->EnableWatchpoint(wp_sp.get());
+ if (rc.Fail())
+ return false;
+ }
+ return true; // Success!
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list.
+bool Target::ClearAllWatchpointHitCounts() {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s\n", __FUNCTION__);
+
+ size_t num_watchpoints = m_watchpoint_list.GetSize();
+ for (size_t i = 0; i < num_watchpoints; ++i) {
+ WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i);
+ if (!wp_sp)
+ return false;
+
+ wp_sp->ResetHitCount();
+ }
+ return true; // Success!
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list.
+bool Target::ClearAllWatchpointHistoricValues() {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s\n", __FUNCTION__);
+
+ size_t num_watchpoints = m_watchpoint_list.GetSize();
+ for (size_t i = 0; i < num_watchpoints; ++i) {
+ WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i);
+ if (!wp_sp)
+ return false;
+
+ wp_sp->ResetHistoricValues();
+ }
+ return true; // Success!
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list during
+// these operations.
+bool Target::IgnoreAllWatchpoints(uint32_t ignore_count) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s\n", __FUNCTION__);
+
+ if (!ProcessIsValid())
+ return false;
+
+ size_t num_watchpoints = m_watchpoint_list.GetSize();
+ for (size_t i = 0; i < num_watchpoints; ++i) {
+ WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i);
+ if (!wp_sp)
+ return false;
+
+ wp_sp->SetIgnoreCount(ignore_count);
+ }
+ return true; // Success!
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list.
+bool Target::DisableWatchpointByID(lldb::watch_id_t watch_id) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s (watch_id = %i)\n", __FUNCTION__, watch_id);
+
+ if (!ProcessIsValid())
+ return false;
+
+ WatchpointSP wp_sp = m_watchpoint_list.FindByID(watch_id);
+ if (wp_sp) {
+ Status rc = m_process_sp->DisableWatchpoint(wp_sp.get());
+ if (rc.Success())
+ return true;
+
+ // Else, fallthrough.
+ }
+ return false;
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list.
+bool Target::EnableWatchpointByID(lldb::watch_id_t watch_id) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s (watch_id = %i)\n", __FUNCTION__, watch_id);
+
+ if (!ProcessIsValid())
+ return false;
+
+ WatchpointSP wp_sp = m_watchpoint_list.FindByID(watch_id);
+ if (wp_sp) {
+ Status rc = m_process_sp->EnableWatchpoint(wp_sp.get());
+ if (rc.Success())
+ return true;
+
+ // Else, fallthrough.
+ }
+ return false;
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list.
+bool Target::RemoveWatchpointByID(lldb::watch_id_t watch_id) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s (watch_id = %i)\n", __FUNCTION__, watch_id);
+
+ WatchpointSP watch_to_remove_sp = m_watchpoint_list.FindByID(watch_id);
+ if (watch_to_remove_sp == m_last_created_watchpoint)
+ m_last_created_watchpoint.reset();
+
+ if (DisableWatchpointByID(watch_id)) {
+ m_watchpoint_list.Remove(watch_id, true);
+ return true;
+ }
+ return false;
+}
+
+// Assumption: Caller holds the list mutex lock for m_watchpoint_list.
+bool Target::IgnoreWatchpointByID(lldb::watch_id_t watch_id,
+ uint32_t ignore_count) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
+ LLDB_LOGF(log, "Target::%s (watch_id = %i)\n", __FUNCTION__, watch_id);
+
+ if (!ProcessIsValid())
+ return false;
+
+ WatchpointSP wp_sp = m_watchpoint_list.FindByID(watch_id);
+ if (wp_sp) {
+ wp_sp->SetIgnoreCount(ignore_count);
+ return true;
+ }
+ return false;
+}
+
+ModuleSP Target::GetExecutableModule() {
+ // search for the first executable in the module list
+ for (size_t i = 0; i < m_images.GetSize(); ++i) {
+ ModuleSP module_sp = m_images.GetModuleAtIndex(i);
+ lldb_private::ObjectFile *obj = module_sp->GetObjectFile();
+ if (obj == nullptr)
+ continue;
+ if (obj->GetType() == ObjectFile::Type::eTypeExecutable)
+ return module_sp;
+ }
+ // as fall back return the first module loaded
+ return m_images.GetModuleAtIndex(0);
+}
+
+Module *Target::GetExecutableModulePointer() {
+ return GetExecutableModule().get();
+}
+
+static void LoadScriptingResourceForModule(const ModuleSP &module_sp,
+ Target *target) {
+ Status error;
+ StreamString feedback_stream;
+ if (module_sp && !module_sp->LoadScriptingResourceInTarget(
+ target, error, &feedback_stream)) {
+ if (error.AsCString())
+ target->GetDebugger().GetErrorStream().Printf(
+ "unable to load scripting data for module %s - error reported was "
+ "%s\n",
+ module_sp->GetFileSpec().GetFileNameStrippingExtension().GetCString(),
+ error.AsCString());
+ }
+ if (feedback_stream.GetSize())
+ target->GetDebugger().GetErrorStream().Printf("%s\n",
+ feedback_stream.GetData());
+}
+
+void Target::ClearModules(bool delete_locations) {
+ ModulesDidUnload(m_images, delete_locations);
+ m_section_load_history.Clear();
+ m_images.Clear();
+ m_scratch_type_system_map.Clear();
+ m_ast_importer_sp.reset();
+}
+
+void Target::DidExec() {
+ // When a process exec's we need to know about it so we can do some cleanup.
+ m_breakpoint_list.RemoveInvalidLocations(m_arch.GetSpec());
+ m_internal_breakpoint_list.RemoveInvalidLocations(m_arch.GetSpec());
+}
+
+void Target::SetExecutableModule(ModuleSP &executable_sp,
+ LoadDependentFiles load_dependent_files) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_TARGET));
+ ClearModules(false);
+
+ if (executable_sp) {
+ static Timer::Category func_cat(LLVM_PRETTY_FUNCTION);
+ Timer scoped_timer(func_cat,
+ "Target::SetExecutableModule (executable = '%s')",
+ executable_sp->GetFileSpec().GetPath().c_str());
+
+ const bool notify = true;
+ m_images.Append(executable_sp,
+ notify); // The first image is our executable file
+
+ // If we haven't set an architecture yet, reset our architecture based on
+ // what we found in the executable module.
+ if (!m_arch.GetSpec().IsValid()) {
+ m_arch = executable_sp->GetArchitecture();
+ LLDB_LOG(log,
+ "setting architecture to {0} ({1}) based on executable file",
+ m_arch.GetSpec().GetArchitectureName(),
+ m_arch.GetSpec().GetTriple().getTriple());
+ }
+
+ FileSpecList dependent_files;
+ ObjectFile *executable_objfile = executable_sp->GetObjectFile();
+ bool load_dependents = true;
+ switch (load_dependent_files) {
+ case eLoadDependentsDefault:
+ load_dependents = executable_sp->IsExecutable();
+ break;
+ case eLoadDependentsYes:
+ load_dependents = true;
+ break;
+ case eLoadDependentsNo:
+ load_dependents = false;
+ break;
+ }
+
+ if (executable_objfile && load_dependents) {
+ ModuleList added_modules;
+ executable_objfile->GetDependentModules(dependent_files);
+ for (uint32_t i = 0; i < dependent_files.GetSize(); i++) {
+ FileSpec dependent_file_spec(dependent_files.GetFileSpecAtIndex(i));
+ FileSpec platform_dependent_file_spec;
+ if (m_platform_sp)
+ m_platform_sp->GetFileWithUUID(dependent_file_spec, nullptr,
+ platform_dependent_file_spec);
+ else
+ platform_dependent_file_spec = dependent_file_spec;
+
+ ModuleSpec module_spec(platform_dependent_file_spec, m_arch.GetSpec());
+ ModuleSP image_module_sp(
+ GetOrCreateModule(module_spec, false /* notify */));
+ if (image_module_sp) {
+ added_modules.AppendIfNeeded(image_module_sp, false);
+ ObjectFile *objfile = image_module_sp->GetObjectFile();
+ if (objfile)
+ objfile->GetDependentModules(dependent_files);
+ }
+ }
+ ModulesDidLoad(added_modules);
+ }
+ }
+}
+
+bool Target::SetArchitecture(const ArchSpec &arch_spec, bool set_platform) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_TARGET));
+ bool missing_local_arch = !m_arch.GetSpec().IsValid();
+ bool replace_local_arch = true;
+ bool compatible_local_arch = false;
+ ArchSpec other(arch_spec);
+
+ // Changing the architecture might mean that the currently selected platform
+ // isn't compatible. Set the platform correctly if we are asked to do so,
+ // otherwise assume the user will set the platform manually.
+ if (set_platform) {
+ if (other.IsValid()) {
+ auto platform_sp = GetPlatform();
+ if (!platform_sp ||
+ !platform_sp->IsCompatibleArchitecture(other, false, nullptr)) {
+ ArchSpec platform_arch;
+ auto arch_platform_sp =
+ Platform::GetPlatformForArchitecture(other, &platform_arch);
+ if (arch_platform_sp) {
+ SetPlatform(arch_platform_sp);
+ if (platform_arch.IsValid())
+ other = platform_arch;
+ }
+ }
+ }
+ }
+
+ if (!missing_local_arch) {
+ if (m_arch.GetSpec().IsCompatibleMatch(arch_spec)) {
+ other.MergeFrom(m_arch.GetSpec());
+
+ if (m_arch.GetSpec().IsCompatibleMatch(other)) {
+ compatible_local_arch = true;
+ bool arch_changed, vendor_changed, os_changed, os_ver_changed,
+ env_changed;
+
+ m_arch.GetSpec().PiecewiseTripleCompare(other, arch_changed,
+ vendor_changed, os_changed,
+ os_ver_changed, env_changed);
+
+ if (!arch_changed && !vendor_changed && !os_changed && !env_changed)
+ replace_local_arch = false;
+ }
+ }
+ }
+
+ if (compatible_local_arch || missing_local_arch) {
+ // If we haven't got a valid arch spec, or the architectures are compatible
+ // update the architecture, unless the one we already have is more
+ // specified
+ if (replace_local_arch)
+ m_arch = other;
+ LLDB_LOG(log, "set architecture to {0} ({1})",
+ m_arch.GetSpec().GetArchitectureName(),
+ m_arch.GetSpec().GetTriple().getTriple());
+ return true;
+ }
+
+ // If we have an executable file, try to reset the executable to the desired
+ // architecture
+ LLDB_LOGF(log, "Target::SetArchitecture changing architecture to %s (%s)",
+ arch_spec.GetArchitectureName(),
+ arch_spec.GetTriple().getTriple().c_str());
+ m_arch = other;
+ ModuleSP executable_sp = GetExecutableModule();
+
+ ClearModules(true);
+ // Need to do something about unsetting breakpoints.
+
+ if (executable_sp) {
+ LLDB_LOGF(log,
+ "Target::SetArchitecture Trying to select executable file "
+ "architecture %s (%s)",
+ arch_spec.GetArchitectureName(),
+ arch_spec.GetTriple().getTriple().c_str());
+ ModuleSpec module_spec(executable_sp->GetFileSpec(), other);
+ FileSpecList search_paths = GetExecutableSearchPaths();
+ Status error = ModuleList::GetSharedModule(module_spec, executable_sp,
+ &search_paths, nullptr, nullptr);
+
+ if (!error.Fail() && executable_sp) {
+ SetExecutableModule(executable_sp, eLoadDependentsYes);
+ return true;
+ }
+ }
+ return false;
+}
+
+bool Target::MergeArchitecture(const ArchSpec &arch_spec) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_TARGET));
+ if (arch_spec.IsValid()) {
+ if (m_arch.GetSpec().IsCompatibleMatch(arch_spec)) {
+ // The current target arch is compatible with "arch_spec", see if we can
+ // improve our current architecture using bits from "arch_spec"
+
+ LLDB_LOGF(log,
+ "Target::MergeArchitecture target has arch %s, merging with "
+ "arch %s",
+ m_arch.GetSpec().GetTriple().getTriple().c_str(),
+ arch_spec.GetTriple().getTriple().c_str());
+
+ // Merge bits from arch_spec into "merged_arch" and set our architecture
+ ArchSpec merged_arch(m_arch.GetSpec());
+ merged_arch.MergeFrom(arch_spec);
+ return SetArchitecture(merged_arch);
+ } else {
+ // The new architecture is different, we just need to replace it
+ return SetArchitecture(arch_spec);
+ }
+ }
+ return false;
+}
+
+void Target::NotifyWillClearList(const ModuleList &module_list) {}
+
+void Target::NotifyModuleAdded(const ModuleList &module_list,
+ const ModuleSP &module_sp) {
+ // A module is being added to this target for the first time
+ if (m_valid) {
+ ModuleList my_module_list;
+ my_module_list.Append(module_sp);
+ ModulesDidLoad(my_module_list);
+ }
+}
+
+void Target::NotifyModuleRemoved(const ModuleList &module_list,
+ const ModuleSP &module_sp) {
+ // A module is being removed from this target.
+ if (m_valid) {
+ ModuleList my_module_list;
+ my_module_list.Append(module_sp);
+ ModulesDidUnload(my_module_list, false);
+ }
+}
+
+void Target::NotifyModuleUpdated(const ModuleList &module_list,
+ const ModuleSP &old_module_sp,
+ const ModuleSP &new_module_sp) {
+ // A module is replacing an already added module
+ if (m_valid) {
+ m_breakpoint_list.UpdateBreakpointsWhenModuleIsReplaced(old_module_sp,
+ new_module_sp);
+ m_internal_breakpoint_list.UpdateBreakpointsWhenModuleIsReplaced(
+ old_module_sp, new_module_sp);
+ }
+}
+
+void Target::NotifyModulesRemoved(lldb_private::ModuleList &module_list) {
+ ModulesDidUnload(module_list, false);
+}
+
+void Target::ModulesDidLoad(ModuleList &module_list) {
+ const size_t num_images = module_list.GetSize();
+ if (m_valid && num_images) {
+ for (size_t idx = 0; idx < num_images; ++idx) {
+ ModuleSP module_sp(module_list.GetModuleAtIndex(idx));
+ LoadScriptingResourceForModule(module_sp, this);
+ }
+ m_breakpoint_list.UpdateBreakpoints(module_list, true, false);
+ m_internal_breakpoint_list.UpdateBreakpoints(module_list, true, false);
+ if (m_process_sp) {
+ m_process_sp->ModulesDidLoad(module_list);
+ }
+ BroadcastEvent(eBroadcastBitModulesLoaded,
+ new TargetEventData(this->shared_from_this(), module_list));
+ }
+}
+
+void Target::SymbolsDidLoad(ModuleList &module_list) {
+ if (m_valid && module_list.GetSize()) {
+ if (m_process_sp) {
+ for (LanguageRuntime *runtime : m_process_sp->GetLanguageRuntimes()) {
+ runtime->SymbolsDidLoad(module_list);
+ }
+ }
+
+ m_breakpoint_list.UpdateBreakpoints(module_list, true, false);
+ m_internal_breakpoint_list.UpdateBreakpoints(module_list, true, false);
+ BroadcastEvent(eBroadcastBitSymbolsLoaded,
+ new TargetEventData(this->shared_from_this(), module_list));
+ }
+}
+
+void Target::ModulesDidUnload(ModuleList &module_list, bool delete_locations) {
+ if (m_valid && module_list.GetSize()) {
+ UnloadModuleSections(module_list);
+ m_breakpoint_list.UpdateBreakpoints(module_list, false, delete_locations);
+ m_internal_breakpoint_list.UpdateBreakpoints(module_list, false,
+ delete_locations);
+ BroadcastEvent(eBroadcastBitModulesUnloaded,
+ new TargetEventData(this->shared_from_this(), module_list));
+ }
+}
+
+bool Target::ModuleIsExcludedForUnconstrainedSearches(
+ const FileSpec &module_file_spec) {
+ if (GetBreakpointsConsultPlatformAvoidList()) {
+ ModuleList matchingModules;
+ ModuleSpec module_spec(module_file_spec);
+ GetImages().FindModules(module_spec, matchingModules);
+ size_t num_modules = matchingModules.GetSize();
+
+ // If there is more than one module for this file spec, only
+ // return true if ALL the modules are on the black list.
+ if (num_modules > 0) {
+ for (size_t i = 0; i < num_modules; i++) {
+ if (!ModuleIsExcludedForUnconstrainedSearches(
+ matchingModules.GetModuleAtIndex(i)))
+ return false;
+ }
+ return true;
+ }
+ }
+ return false;
+}
+
+bool Target::ModuleIsExcludedForUnconstrainedSearches(
+ const lldb::ModuleSP &module_sp) {
+ if (GetBreakpointsConsultPlatformAvoidList()) {
+ if (m_platform_sp)
+ return m_platform_sp->ModuleIsExcludedForUnconstrainedSearches(*this,
+ module_sp);
+ }
+ return false;
+}
+
+size_t Target::ReadMemoryFromFileCache(const Address &addr, void *dst,
+ size_t dst_len, Status &error) {
+ SectionSP section_sp(addr.GetSection());
+ if (section_sp) {
+ // If the contents of this section are encrypted, the on-disk file is
+ // unusable. Read only from live memory.
+ if (section_sp->IsEncrypted()) {
+ error.SetErrorString("section is encrypted");
+ return 0;
+ }
+ ModuleSP module_sp(section_sp->GetModule());
+ if (module_sp) {
+ ObjectFile *objfile = section_sp->GetModule()->GetObjectFile();
+ if (objfile) {
+ size_t bytes_read = objfile->ReadSectionData(
+ section_sp.get(), addr.GetOffset(), dst, dst_len);
+ if (bytes_read > 0)
+ return bytes_read;
+ else
+ error.SetErrorStringWithFormat("error reading data from section %s",
+ section_sp->GetName().GetCString());
+ } else
+ error.SetErrorString("address isn't from a object file");
+ } else
+ error.SetErrorString("address isn't in a module");
+ } else
+ error.SetErrorString("address doesn't contain a section that points to a "
+ "section in a object file");
+
+ return 0;
+}
+
+size_t Target::ReadMemory(const Address &addr, bool prefer_file_cache,
+ void *dst, size_t dst_len, Status &error,
+ lldb::addr_t *load_addr_ptr) {
+ error.Clear();
+
+ // if we end up reading this from process memory, we will fill this with the
+ // actual load address
+ if (load_addr_ptr)
+ *load_addr_ptr = LLDB_INVALID_ADDRESS;
+
+ size_t bytes_read = 0;
+
+ addr_t load_addr = LLDB_INVALID_ADDRESS;
+ addr_t file_addr = LLDB_INVALID_ADDRESS;
+ Address resolved_addr;
+ if (!addr.IsSectionOffset()) {
+ SectionLoadList &section_load_list = GetSectionLoadList();
+ if (section_load_list.IsEmpty()) {
+ // No sections are loaded, so we must assume we are not running yet and
+ // anything we are given is a file address.
+ file_addr = addr.GetOffset(); // "addr" doesn't have a section, so its
+ // offset is the file address
+ m_images.ResolveFileAddress(file_addr, resolved_addr);
+ } else {
+ // We have at least one section loaded. This can be because we have
+ // manually loaded some sections with "target modules load ..." or
+ // because we have have a live process that has sections loaded through
+ // the dynamic loader
+ load_addr = addr.GetOffset(); // "addr" doesn't have a section, so its
+ // offset is the load address
+ section_load_list.ResolveLoadAddress(load_addr, resolved_addr);
+ }
+ }
+ if (!resolved_addr.IsValid())
+ resolved_addr = addr;
+
+ if (prefer_file_cache) {
+ bytes_read = ReadMemoryFromFileCache(resolved_addr, dst, dst_len, error);
+ if (bytes_read > 0)
+ return bytes_read;
+ }
+
+ if (ProcessIsValid()) {
+ if (load_addr == LLDB_INVALID_ADDRESS)
+ load_addr = resolved_addr.GetLoadAddress(this);
+
+ if (load_addr == LLDB_INVALID_ADDRESS) {
+ ModuleSP addr_module_sp(resolved_addr.GetModule());
+ if (addr_module_sp && addr_module_sp->GetFileSpec())
+ error.SetErrorStringWithFormatv(
+ "{0:F}[{1:x+}] can't be resolved, {0:F} is not currently loaded",
+ addr_module_sp->GetFileSpec(), resolved_addr.GetFileAddress());
+ else
+ error.SetErrorStringWithFormat("0x%" PRIx64 " can't be resolved",
+ resolved_addr.GetFileAddress());
+ } else {
+ bytes_read = m_process_sp->ReadMemory(load_addr, dst, dst_len, error);
+ if (bytes_read != dst_len) {
+ if (error.Success()) {
+ if (bytes_read == 0)
+ error.SetErrorStringWithFormat(
+ "read memory from 0x%" PRIx64 " failed", load_addr);
+ else
+ error.SetErrorStringWithFormat(
+ "only %" PRIu64 " of %" PRIu64
+ " bytes were read from memory at 0x%" PRIx64,
+ (uint64_t)bytes_read, (uint64_t)dst_len, load_addr);
+ }
+ }
+ if (bytes_read) {
+ if (load_addr_ptr)
+ *load_addr_ptr = load_addr;
+ return bytes_read;
+ }
+ // If the address is not section offset we have an address that doesn't
+ // resolve to any address in any currently loaded shared libraries and we
+ // failed to read memory so there isn't anything more we can do. If it is
+ // section offset, we might be able to read cached memory from the object
+ // file.
+ if (!resolved_addr.IsSectionOffset())
+ return 0;
+ }
+ }
+
+ if (!prefer_file_cache && resolved_addr.IsSectionOffset()) {
+ // If we didn't already try and read from the object file cache, then try
+ // it after failing to read from the process.
+ return ReadMemoryFromFileCache(resolved_addr, dst, dst_len, error);
+ }
+ return 0;
+}
+
+size_t Target::ReadCStringFromMemory(const Address &addr, std::string &out_str,
+ Status &error) {
+ char buf[256];
+ out_str.clear();
+ addr_t curr_addr = addr.GetLoadAddress(this);
+ Address address(addr);
+ while (true) {
+ size_t length = ReadCStringFromMemory(address, buf, sizeof(buf), error);
+ if (length == 0)
+ break;
+ out_str.append(buf, length);
+ // If we got "length - 1" bytes, we didn't get the whole C string, we need
+ // to read some more characters
+ if (length == sizeof(buf) - 1)
+ curr_addr += length;
+ else
+ break;
+ address = Address(curr_addr);
+ }
+ return out_str.size();
+}
+
+size_t Target::ReadCStringFromMemory(const Address &addr, char *dst,
+ size_t dst_max_len, Status &result_error) {
+ size_t total_cstr_len = 0;
+ if (dst && dst_max_len) {
+ result_error.Clear();
+ // NULL out everything just to be safe
+ memset(dst, 0, dst_max_len);
+ Status error;
+ addr_t curr_addr = addr.GetLoadAddress(this);
+ Address address(addr);
+
+ // We could call m_process_sp->GetMemoryCacheLineSize() but I don't think
+ // this really needs to be tied to the memory cache subsystem's cache line
+ // size, so leave this as a fixed constant.
+ const size_t cache_line_size = 512;
+
+ size_t bytes_left = dst_max_len - 1;
+ char *curr_dst = dst;
+
+ while (bytes_left > 0) {
+ addr_t cache_line_bytes_left =
+ cache_line_size - (curr_addr % cache_line_size);
+ addr_t bytes_to_read =
+ std::min<addr_t>(bytes_left, cache_line_bytes_left);
+ size_t bytes_read =
+ ReadMemory(address, false, curr_dst, bytes_to_read, error);
+
+ if (bytes_read == 0) {
+ result_error = error;
+ dst[total_cstr_len] = '\0';
+ break;
+ }
+ const size_t len = strlen(curr_dst);
+
+ total_cstr_len += len;
+
+ if (len < bytes_to_read)
+ break;
+
+ curr_dst += bytes_read;
+ curr_addr += bytes_read;
+ bytes_left -= bytes_read;
+ address = Address(curr_addr);
+ }
+ } else {
+ if (dst == nullptr)
+ result_error.SetErrorString("invalid arguments");
+ else
+ result_error.Clear();
+ }
+ return total_cstr_len;
+}
+
+size_t Target::ReadScalarIntegerFromMemory(const Address &addr,
+ bool prefer_file_cache,
+ uint32_t byte_size, bool is_signed,
+ Scalar &scalar, Status &error) {
+ uint64_t uval;
+
+ if (byte_size <= sizeof(uval)) {
+ size_t bytes_read =
+ ReadMemory(addr, prefer_file_cache, &uval, byte_size, error);
+ if (bytes_read == byte_size) {
+ DataExtractor data(&uval, sizeof(uval), m_arch.GetSpec().GetByteOrder(),
+ m_arch.GetSpec().GetAddressByteSize());
+ lldb::offset_t offset = 0;
+ if (byte_size <= 4)
+ scalar = data.GetMaxU32(&offset, byte_size);
+ else
+ scalar = data.GetMaxU64(&offset, byte_size);
+
+ if (is_signed)
+ scalar.SignExtend(byte_size * 8);
+ return bytes_read;
+ }
+ } else {
+ error.SetErrorStringWithFormat(
+ "byte size of %u is too large for integer scalar type", byte_size);
+ }
+ return 0;
+}
+
+uint64_t Target::ReadUnsignedIntegerFromMemory(const Address &addr,
+ bool prefer_file_cache,
+ size_t integer_byte_size,
+ uint64_t fail_value,
+ Status &error) {
+ Scalar scalar;
+ if (ReadScalarIntegerFromMemory(addr, prefer_file_cache, integer_byte_size,
+ false, scalar, error))
+ return scalar.ULongLong(fail_value);
+ return fail_value;
+}
+
+bool Target::ReadPointerFromMemory(const Address &addr, bool prefer_file_cache,
+ Status &error, Address &pointer_addr) {
+ Scalar scalar;
+ if (ReadScalarIntegerFromMemory(addr, prefer_file_cache,
+ m_arch.GetSpec().GetAddressByteSize(), false,
+ scalar, error)) {
+ addr_t pointer_vm_addr = scalar.ULongLong(LLDB_INVALID_ADDRESS);
+ if (pointer_vm_addr != LLDB_INVALID_ADDRESS) {
+ SectionLoadList &section_load_list = GetSectionLoadList();
+ if (section_load_list.IsEmpty()) {
+ // No sections are loaded, so we must assume we are not running yet and
+ // anything we are given is a file address.
+ m_images.ResolveFileAddress(pointer_vm_addr, pointer_addr);
+ } else {
+ // We have at least one section loaded. This can be because we have
+ // manually loaded some sections with "target modules load ..." or
+ // because we have have a live process that has sections loaded through
+ // the dynamic loader
+ section_load_list.ResolveLoadAddress(pointer_vm_addr, pointer_addr);
+ }
+ // We weren't able to resolve the pointer value, so just return an
+ // address with no section
+ if (!pointer_addr.IsValid())
+ pointer_addr.SetOffset(pointer_vm_addr);
+ return true;
+ }
+ }
+ return false;
+}
+
+ModuleSP Target::GetOrCreateModule(const ModuleSpec &module_spec, bool notify,
+ Status *error_ptr) {
+ ModuleSP module_sp;
+
+ Status error;
+
+ // First see if we already have this module in our module list. If we do,
+ // then we're done, we don't need to consult the shared modules list. But
+ // only do this if we are passed a UUID.
+
+ if (module_spec.GetUUID().IsValid())
+ module_sp = m_images.FindFirstModule(module_spec);
+
+ if (!module_sp) {
+ ModuleSP old_module_sp; // This will get filled in if we have a new version
+ // of the library
+ bool did_create_module = false;
+ FileSpecList search_paths = GetExecutableSearchPaths();
+ // If there are image search path entries, try to use them first to acquire
+ // a suitable image.
+ if (m_image_search_paths.GetSize()) {
+ ModuleSpec transformed_spec(module_spec);
+ if (m_image_search_paths.RemapPath(
+ module_spec.GetFileSpec().GetDirectory(),
+ transformed_spec.GetFileSpec().GetDirectory())) {
+ transformed_spec.GetFileSpec().GetFilename() =
+ module_spec.GetFileSpec().GetFilename();
+ error = ModuleList::GetSharedModule(transformed_spec, module_sp,
+ &search_paths, &old_module_sp,
+ &did_create_module);
+ }
+ }
+
+ if (!module_sp) {
+ // If we have a UUID, we can check our global shared module list in case
+ // we already have it. If we don't have a valid UUID, then we can't since
+ // the path in "module_spec" will be a platform path, and we will need to
+ // let the platform find that file. For example, we could be asking for
+ // "/usr/lib/dyld" and if we do not have a UUID, we don't want to pick
+ // the local copy of "/usr/lib/dyld" since our platform could be a remote
+ // platform that has its own "/usr/lib/dyld" in an SDK or in a local file
+ // cache.
+ if (module_spec.GetUUID().IsValid()) {
+ // We have a UUID, it is OK to check the global module list...
+ error =
+ ModuleList::GetSharedModule(module_spec, module_sp, &search_paths,
+ &old_module_sp, &did_create_module);
+ }
+
+ if (!module_sp) {
+ // The platform is responsible for finding and caching an appropriate
+ // module in the shared module cache.
+ if (m_platform_sp) {
+ error = m_platform_sp->GetSharedModule(
+ module_spec, m_process_sp.get(), module_sp, &search_paths,
+ &old_module_sp, &did_create_module);
+ } else {
+ error.SetErrorString("no platform is currently set");
+ }
+ }
+ }
+
+ // We found a module that wasn't in our target list. Let's make sure that
+ // there wasn't an equivalent module in the list already, and if there was,
+ // let's remove it.
+ if (module_sp) {
+ ObjectFile *objfile = module_sp->GetObjectFile();
+ if (objfile) {
+ switch (objfile->GetType()) {
+ case ObjectFile::eTypeCoreFile: /// A core file that has a checkpoint of
+ /// a program's execution state
+ case ObjectFile::eTypeExecutable: /// A normal executable
+ case ObjectFile::eTypeDynamicLinker: /// The platform's dynamic linker
+ /// executable
+ case ObjectFile::eTypeObjectFile: /// An intermediate object file
+ case ObjectFile::eTypeSharedLibrary: /// A shared library that can be
+ /// used during execution
+ break;
+ case ObjectFile::eTypeDebugInfo: /// An object file that contains only
+ /// debug information
+ if (error_ptr)
+ error_ptr->SetErrorString("debug info files aren't valid target "
+ "modules, please specify an executable");
+ return ModuleSP();
+ case ObjectFile::eTypeStubLibrary: /// A library that can be linked
+ /// against but not used for
+ /// execution
+ if (error_ptr)
+ error_ptr->SetErrorString("stub libraries aren't valid target "
+ "modules, please specify an executable");
+ return ModuleSP();
+ default:
+ if (error_ptr)
+ error_ptr->SetErrorString(
+ "unsupported file type, please specify an executable");
+ return ModuleSP();
+ }
+ // GetSharedModule is not guaranteed to find the old shared module, for
+ // instance in the common case where you pass in the UUID, it is only
+ // going to find the one module matching the UUID. In fact, it has no
+ // good way to know what the "old module" relevant to this target is,
+ // since there might be many copies of a module with this file spec in
+ // various running debug sessions, but only one of them will belong to
+ // this target. So let's remove the UUID from the module list, and look
+ // in the target's module list. Only do this if there is SOMETHING else
+ // in the module spec...
+ if (!old_module_sp) {
+ if (module_spec.GetUUID().IsValid() &&
+ !module_spec.GetFileSpec().GetFilename().IsEmpty() &&
+ !module_spec.GetFileSpec().GetDirectory().IsEmpty()) {
+ ModuleSpec module_spec_copy(module_spec.GetFileSpec());
+ module_spec_copy.GetUUID().Clear();
+
+ ModuleList found_modules;
+ m_images.FindModules(module_spec_copy, found_modules);
+ if (found_modules.GetSize() == 1)
+ old_module_sp = found_modules.GetModuleAtIndex(0);
+ }
+ }
+
+ // Preload symbols outside of any lock, so hopefully we can do this for
+ // each library in parallel.
+ if (GetPreloadSymbols())
+ module_sp->PreloadSymbols();
+
+ if (old_module_sp && m_images.GetIndexForModule(old_module_sp.get()) !=
+ LLDB_INVALID_INDEX32) {
+ m_images.ReplaceModule(old_module_sp, module_sp);
+ Module *old_module_ptr = old_module_sp.get();
+ old_module_sp.reset();
+ ModuleList::RemoveSharedModuleIfOrphaned(old_module_ptr);
+ } else {
+ m_images.Append(module_sp, notify);
+ }
+ } else
+ module_sp.reset();
+ }
+ }
+ if (error_ptr)
+ *error_ptr = error;
+ return module_sp;
+}
+
+TargetSP Target::CalculateTarget() { return shared_from_this(); }
+
+ProcessSP Target::CalculateProcess() { return m_process_sp; }
+
+ThreadSP Target::CalculateThread() { return ThreadSP(); }
+
+StackFrameSP Target::CalculateStackFrame() { return StackFrameSP(); }
+
+void Target::CalculateExecutionContext(ExecutionContext &exe_ctx) {
+ exe_ctx.Clear();
+ exe_ctx.SetTargetPtr(this);
+}
+
+PathMappingList &Target::GetImageSearchPathList() {
+ return m_image_search_paths;
+}
+
+void Target::ImageSearchPathsChanged(const PathMappingList &path_list,
+ void *baton) {
+ Target *target = (Target *)baton;
+ ModuleSP exe_module_sp(target->GetExecutableModule());
+ if (exe_module_sp)
+ target->SetExecutableModule(exe_module_sp, eLoadDependentsYes);
+}
+
+llvm::Expected<TypeSystem &>
+Target::GetScratchTypeSystemForLanguage(lldb::LanguageType language,
+ bool create_on_demand) {
+ if (!m_valid)
+ return llvm::make_error<llvm::StringError>("Invalid Target",
+ llvm::inconvertibleErrorCode());
+
+ if (language == eLanguageTypeMipsAssembler // GNU AS and LLVM use it for all
+ // assembly code
+ || language == eLanguageTypeUnknown) {
+ LanguageSet languages_for_expressions =
+ Language::GetLanguagesSupportingTypeSystemsForExpressions();
+
+ if (languages_for_expressions[eLanguageTypeC]) {
+ language = eLanguageTypeC; // LLDB's default. Override by setting the
+ // target language.
+ } else {
+ if (languages_for_expressions.Empty())
+ return llvm::make_error<llvm::StringError>(
+ "No expression support for any languages",
+ llvm::inconvertibleErrorCode());
+ language = (LanguageType)languages_for_expressions.bitvector.find_first();
+ }
+ }
+
+ return m_scratch_type_system_map.GetTypeSystemForLanguage(language, this,
+ create_on_demand);
+}
+
+std::vector<TypeSystem *> Target::GetScratchTypeSystems(bool create_on_demand) {
+ if (!m_valid)
+ return {};
+
+ std::vector<TypeSystem *> scratch_type_systems;
+
+ LanguageSet languages_for_expressions =
+ Language::GetLanguagesSupportingTypeSystemsForExpressions();
+
+ for (auto bit : languages_for_expressions.bitvector.set_bits()) {
+ auto language = (LanguageType)bit;
+ auto type_system_or_err =
+ GetScratchTypeSystemForLanguage(language, create_on_demand);
+ if (!type_system_or_err)
+ LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET),
+ type_system_or_err.takeError(),
+ "Language '{}' has expression support but no scratch type "
+ "system available",
+ Language::GetNameForLanguageType(language));
+ else
+ scratch_type_systems.emplace_back(&type_system_or_err.get());
+ }
+
+ return scratch_type_systems;
+}
+
+PersistentExpressionState *
+Target::GetPersistentExpressionStateForLanguage(lldb::LanguageType language) {
+ auto type_system_or_err = GetScratchTypeSystemForLanguage(language, true);
+
+ if (auto err = type_system_or_err.takeError()) {
+ LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET),
+ std::move(err),
+ "Unable to get persistent expression state for language {}",
+ Language::GetNameForLanguageType(language));
+ return nullptr;
+ }
+
+ return type_system_or_err->GetPersistentExpressionState();
+}
+
+UserExpression *Target::GetUserExpressionForLanguage(
+ llvm::StringRef expr, llvm::StringRef prefix, lldb::LanguageType language,
+ Expression::ResultType desired_type,
+ const EvaluateExpressionOptions &options, ValueObject *ctx_obj,
+ Status &error) {
+ auto type_system_or_err = GetScratchTypeSystemForLanguage(language);
+ if (auto err = type_system_or_err.takeError()) {
+ error.SetErrorStringWithFormat(
+ "Could not find type system for language %s: %s",
+ Language::GetNameForLanguageType(language),
+ llvm::toString(std::move(err)).c_str());
+ return nullptr;
+ }
+
+ auto *user_expr = type_system_or_err->GetUserExpression(
+ expr, prefix, language, desired_type, options, ctx_obj);
+ if (!user_expr)
+ error.SetErrorStringWithFormat(
+ "Could not create an expression for language %s",
+ Language::GetNameForLanguageType(language));
+
+ return user_expr;
+}
+
+FunctionCaller *Target::GetFunctionCallerForLanguage(
+ lldb::LanguageType language, const CompilerType &return_type,
+ const Address &function_address, const ValueList &arg_value_list,
+ const char *name, Status &error) {
+ auto type_system_or_err = GetScratchTypeSystemForLanguage(language);
+ if (auto err = type_system_or_err.takeError()) {
+ error.SetErrorStringWithFormat(
+ "Could not find type system for language %s: %s",
+ Language::GetNameForLanguageType(language),
+ llvm::toString(std::move(err)).c_str());
+ return nullptr;
+ }
+
+ auto *persistent_fn = type_system_or_err->GetFunctionCaller(
+ return_type, function_address, arg_value_list, name);
+ if (!persistent_fn)
+ error.SetErrorStringWithFormat(
+ "Could not create an expression for language %s",
+ Language::GetNameForLanguageType(language));
+
+ return persistent_fn;
+}
+
+UtilityFunction *
+Target::GetUtilityFunctionForLanguage(const char *text,
+ lldb::LanguageType language,
+ const char *name, Status &error) {
+ auto type_system_or_err = GetScratchTypeSystemForLanguage(language);
+
+ if (auto err = type_system_or_err.takeError()) {
+ error.SetErrorStringWithFormat(
+ "Could not find type system for language %s: %s",
+ Language::GetNameForLanguageType(language),
+ llvm::toString(std::move(err)).c_str());
+ return nullptr;
+ }
+
+ auto *utility_fn = type_system_or_err->GetUtilityFunction(text, name);
+ if (!utility_fn)
+ error.SetErrorStringWithFormat(
+ "Could not create an expression for language %s",
+ Language::GetNameForLanguageType(language));
+
+ return utility_fn;
+}
+
+ClangASTImporterSP Target::GetClangASTImporter() {
+ if (m_valid) {
+ if (!m_ast_importer_sp) {
+ m_ast_importer_sp = std::make_shared<ClangASTImporter>();
+ }
+ return m_ast_importer_sp;
+ }
+ return ClangASTImporterSP();
+}
+
+void Target::SettingsInitialize() { Process::SettingsInitialize(); }
+
+void Target::SettingsTerminate() { Process::SettingsTerminate(); }
+
+FileSpecList Target::GetDefaultExecutableSearchPaths() {
+ TargetPropertiesSP properties_sp(Target::GetGlobalProperties());
+ if (properties_sp)
+ return properties_sp->GetExecutableSearchPaths();
+ return FileSpecList();
+}
+
+FileSpecList Target::GetDefaultDebugFileSearchPaths() {
+ TargetPropertiesSP properties_sp(Target::GetGlobalProperties());
+ if (properties_sp)
+ return properties_sp->GetDebugFileSearchPaths();
+ return FileSpecList();
+}
+
+ArchSpec Target::GetDefaultArchitecture() {
+ TargetPropertiesSP properties_sp(Target::GetGlobalProperties());
+ if (properties_sp)
+ return properties_sp->GetDefaultArchitecture();
+ return ArchSpec();
+}
+
+void Target::SetDefaultArchitecture(const ArchSpec &arch) {
+ TargetPropertiesSP properties_sp(Target::GetGlobalProperties());
+ if (properties_sp) {
+ LLDB_LOG(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_TARGET),
+ "Target::SetDefaultArchitecture setting target's "
+ "default architecture to {0} ({1})",
+ arch.GetArchitectureName(), arch.GetTriple().getTriple());
+ return properties_sp->SetDefaultArchitecture(arch);
+ }
+}
+
+Target *Target::GetTargetFromContexts(const ExecutionContext *exe_ctx_ptr,
+ const SymbolContext *sc_ptr) {
+ // The target can either exist in the "process" of ExecutionContext, or in
+ // the "target_sp" member of SymbolContext. This accessor helper function
+ // will get the target from one of these locations.
+
+ Target *target = nullptr;
+ if (sc_ptr != nullptr)
+ target = sc_ptr->target_sp.get();
+ if (target == nullptr && exe_ctx_ptr)
+ target = exe_ctx_ptr->GetTargetPtr();
+ return target;
+}
+
+ExpressionResults Target::EvaluateExpression(
+ llvm::StringRef expr, ExecutionContextScope *exe_scope,
+ lldb::ValueObjectSP &result_valobj_sp,
+ const EvaluateExpressionOptions &options, std::string *fixed_expression,
+ ValueObject *ctx_obj) {
+ result_valobj_sp.reset();
+
+ ExpressionResults execution_results = eExpressionSetupError;
+
+ if (expr.empty())
+ return execution_results;
+
+ // We shouldn't run stop hooks in expressions.
+ bool old_suppress_value = m_suppress_stop_hooks;
+ m_suppress_stop_hooks = true;
+ auto on_exit = llvm::make_scope_exit([this, old_suppress_value]() {
+ m_suppress_stop_hooks = old_suppress_value;
+ });
+
+ ExecutionContext exe_ctx;
+
+ if (exe_scope) {
+ exe_scope->CalculateExecutionContext(exe_ctx);
+ } else if (m_process_sp) {
+ m_process_sp->CalculateExecutionContext(exe_ctx);
+ } else {
+ CalculateExecutionContext(exe_ctx);
+ }
+
+ // Make sure we aren't just trying to see the value of a persistent variable
+ // (something like "$0")
+ // Only check for persistent variables the expression starts with a '$'
+ lldb::ExpressionVariableSP persistent_var_sp;
+ if (expr[0] == '$') {
+ auto type_system_or_err =
+ GetScratchTypeSystemForLanguage(eLanguageTypeC);
+ if (auto err = type_system_or_err.takeError()) {
+ LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET),
+ std::move(err), "Unable to get scratch type system");
+ } else {
+ persistent_var_sp =
+ type_system_or_err->GetPersistentExpressionState()->GetVariable(expr);
+ }
+ }
+ if (persistent_var_sp) {
+ result_valobj_sp = persistent_var_sp->GetValueObject();
+ execution_results = eExpressionCompleted;
+ } else {
+ llvm::StringRef prefix = GetExpressionPrefixContents();
+ Status error;
+ execution_results =
+ UserExpression::Evaluate(exe_ctx, options, expr, prefix,
+ result_valobj_sp, error, fixed_expression,
+ nullptr, // Module
+ ctx_obj);
+ }
+
+ return execution_results;
+}
+
+lldb::ExpressionVariableSP Target::GetPersistentVariable(ConstString name) {
+ lldb::ExpressionVariableSP variable_sp;
+ m_scratch_type_system_map.ForEach(
+ [name, &variable_sp](TypeSystem *type_system) -> bool {
+ if (PersistentExpressionState *persistent_state =
+ type_system->GetPersistentExpressionState()) {
+ variable_sp = persistent_state->GetVariable(name);
+
+ if (variable_sp)
+ return false; // Stop iterating the ForEach
+ }
+ return true; // Keep iterating the ForEach
+ });
+ return variable_sp;
+}
+
+lldb::addr_t Target::GetPersistentSymbol(ConstString name) {
+ lldb::addr_t address = LLDB_INVALID_ADDRESS;
+
+ m_scratch_type_system_map.ForEach(
+ [name, &address](TypeSystem *type_system) -> bool {
+ if (PersistentExpressionState *persistent_state =
+ type_system->GetPersistentExpressionState()) {
+ address = persistent_state->LookupSymbol(name);
+ if (address != LLDB_INVALID_ADDRESS)
+ return false; // Stop iterating the ForEach
+ }
+ return true; // Keep iterating the ForEach
+ });
+ return address;
+}
+
+llvm::Expected<lldb_private::Address> Target::GetEntryPointAddress() {
+ Module *exe_module = GetExecutableModulePointer();
+ llvm::Error error = llvm::Error::success();
+ assert(!error); // Check the success value when assertions are enabled.
+
+ if (!exe_module || !exe_module->GetObjectFile()) {
+ error = llvm::make_error<llvm::StringError>("No primary executable found",
+ llvm::inconvertibleErrorCode());
+ } else {
+ Address entry_addr = exe_module->GetObjectFile()->GetEntryPointAddress();
+ if (entry_addr.IsValid())
+ return entry_addr;
+
+ error = llvm::make_error<llvm::StringError>(
+ "Could not find entry point address for executable module \"" +
+ exe_module->GetFileSpec().GetFilename().GetStringRef() + "\"",
+ llvm::inconvertibleErrorCode());
+ }
+
+ const ModuleList &modules = GetImages();
+ const size_t num_images = modules.GetSize();
+ for (size_t idx = 0; idx < num_images; ++idx) {
+ ModuleSP module_sp(modules.GetModuleAtIndex(idx));
+ if (!module_sp || !module_sp->GetObjectFile())
+ continue;
+
+ Address entry_addr = module_sp->GetObjectFile()->GetEntryPointAddress();
+ if (entry_addr.IsValid()) {
+ // Discard the error.
+ llvm::consumeError(std::move(error));
+ return entry_addr;
+ }
+ }
+
+ return std::move(error);
+}
+
+lldb::addr_t Target::GetCallableLoadAddress(lldb::addr_t load_addr,
+ AddressClass addr_class) const {
+ auto arch_plugin = GetArchitecturePlugin();
+ return arch_plugin
+ ? arch_plugin->GetCallableLoadAddress(load_addr, addr_class)
+ : load_addr;
+}
+
+lldb::addr_t Target::GetOpcodeLoadAddress(lldb::addr_t load_addr,
+ AddressClass addr_class) const {
+ auto arch_plugin = GetArchitecturePlugin();
+ return arch_plugin ? arch_plugin->GetOpcodeLoadAddress(load_addr, addr_class)
+ : load_addr;
+}
+
+lldb::addr_t Target::GetBreakableLoadAddress(lldb::addr_t addr) {
+ auto arch_plugin = GetArchitecturePlugin();
+ return arch_plugin ? arch_plugin->GetBreakableLoadAddress(addr, *this) : addr;
+}
+
+SourceManager &Target::GetSourceManager() {
+ if (!m_source_manager_up)
+ m_source_manager_up.reset(new SourceManager(shared_from_this()));
+ return *m_source_manager_up;
+}
+
+ClangModulesDeclVendor *Target::GetClangModulesDeclVendor() {
+ static std::mutex s_clang_modules_decl_vendor_mutex; // If this is contended
+ // we can make it
+ // per-target
+
+ {
+ std::lock_guard<std::mutex> guard(s_clang_modules_decl_vendor_mutex);
+
+ if (!m_clang_modules_decl_vendor_up) {
+ m_clang_modules_decl_vendor_up.reset(
+ ClangModulesDeclVendor::Create(*this));
+ }
+ }
+
+ return m_clang_modules_decl_vendor_up.get();
+}
+
+Target::StopHookSP Target::CreateStopHook() {
+ lldb::user_id_t new_uid = ++m_stop_hook_next_id;
+ Target::StopHookSP stop_hook_sp(new StopHook(shared_from_this(), new_uid));
+ m_stop_hooks[new_uid] = stop_hook_sp;
+ return stop_hook_sp;
+}
+
+bool Target::RemoveStopHookByID(lldb::user_id_t user_id) {
+ size_t num_removed = m_stop_hooks.erase(user_id);
+ return (num_removed != 0);
+}
+
+void Target::RemoveAllStopHooks() { m_stop_hooks.clear(); }
+
+Target::StopHookSP Target::GetStopHookByID(lldb::user_id_t user_id) {
+ StopHookSP found_hook;
+
+ StopHookCollection::iterator specified_hook_iter;
+ specified_hook_iter = m_stop_hooks.find(user_id);
+ if (specified_hook_iter != m_stop_hooks.end())
+ found_hook = (*specified_hook_iter).second;
+ return found_hook;
+}
+
+bool Target::SetStopHookActiveStateByID(lldb::user_id_t user_id,
+ bool active_state) {
+ StopHookCollection::iterator specified_hook_iter;
+ specified_hook_iter = m_stop_hooks.find(user_id);
+ if (specified_hook_iter == m_stop_hooks.end())
+ return false;
+
+ (*specified_hook_iter).second->SetIsActive(active_state);
+ return true;
+}
+
+void Target::SetAllStopHooksActiveState(bool active_state) {
+ StopHookCollection::iterator pos, end = m_stop_hooks.end();
+ for (pos = m_stop_hooks.begin(); pos != end; pos++) {
+ (*pos).second->SetIsActive(active_state);
+ }
+}
+
+void Target::RunStopHooks() {
+ if (m_suppress_stop_hooks)
+ return;
+
+ if (!m_process_sp)
+ return;
+
+ // Somebody might have restarted the process:
+ if (m_process_sp->GetState() != eStateStopped)
+ return;
+
+ // <rdar://problem/12027563> make sure we check that we are not stopped
+ // because of us running a user expression since in that case we do not want
+ // to run the stop-hooks
+ if (m_process_sp->GetModIDRef().IsLastResumeForUserExpression())
+ return;
+
+ if (m_stop_hooks.empty())
+ return;
+
+ StopHookCollection::iterator pos, end = m_stop_hooks.end();
+
+ // If there aren't any active stop hooks, don't bother either.
+ // Also see if any of the active hooks want to auto-continue.
+ bool any_active_hooks = false;
+ bool auto_continue = false;
+ for (auto hook : m_stop_hooks) {
+ if (hook.second->IsActive()) {
+ any_active_hooks = true;
+ auto_continue |= hook.second->GetAutoContinue();
+ }
+ }
+ if (!any_active_hooks)
+ return;
+
+ CommandReturnObject result;
+
+ std::vector<ExecutionContext> exc_ctx_with_reasons;
+ std::vector<SymbolContext> sym_ctx_with_reasons;
+
+ ThreadList &cur_threadlist = m_process_sp->GetThreadList();
+ size_t num_threads = cur_threadlist.GetSize();
+ for (size_t i = 0; i < num_threads; i++) {
+ lldb::ThreadSP cur_thread_sp = cur_threadlist.GetThreadAtIndex(i);
+ if (cur_thread_sp->ThreadStoppedForAReason()) {
+ lldb::StackFrameSP cur_frame_sp = cur_thread_sp->GetStackFrameAtIndex(0);
+ exc_ctx_with_reasons.push_back(ExecutionContext(
+ m_process_sp.get(), cur_thread_sp.get(), cur_frame_sp.get()));
+ sym_ctx_with_reasons.push_back(
+ cur_frame_sp->GetSymbolContext(eSymbolContextEverything));
+ }
+ }
+
+ // If no threads stopped for a reason, don't run the stop-hooks.
+ size_t num_exe_ctx = exc_ctx_with_reasons.size();
+ if (num_exe_ctx == 0)
+ return;
+
+ result.SetImmediateOutputStream(m_debugger.GetAsyncOutputStream());
+ result.SetImmediateErrorStream(m_debugger.GetAsyncErrorStream());
+
+ bool keep_going = true;
+ bool hooks_ran = false;
+ bool print_hook_header = (m_stop_hooks.size() != 1);
+ bool print_thread_header = (num_exe_ctx != 1);
+ bool did_restart = false;
+
+ for (pos = m_stop_hooks.begin(); keep_going && pos != end; pos++) {
+ // result.Clear();
+ StopHookSP cur_hook_sp = (*pos).second;
+ if (!cur_hook_sp->IsActive())
+ continue;
+
+ bool any_thread_matched = false;
+ for (size_t i = 0; keep_going && i < num_exe_ctx; i++) {
+ if ((cur_hook_sp->GetSpecifier() == nullptr ||
+ cur_hook_sp->GetSpecifier()->SymbolContextMatches(
+ sym_ctx_with_reasons[i])) &&
+ (cur_hook_sp->GetThreadSpecifier() == nullptr ||
+ cur_hook_sp->GetThreadSpecifier()->ThreadPassesBasicTests(
+ exc_ctx_with_reasons[i].GetThreadRef()))) {
+ if (!hooks_ran) {
+ hooks_ran = true;
+ }
+ if (print_hook_header && !any_thread_matched) {
+ const char *cmd =
+ (cur_hook_sp->GetCommands().GetSize() == 1
+ ? cur_hook_sp->GetCommands().GetStringAtIndex(0)
+ : nullptr);
+ if (cmd)
+ result.AppendMessageWithFormat("\n- Hook %" PRIu64 " (%s)\n",
+ cur_hook_sp->GetID(), cmd);
+ else
+ result.AppendMessageWithFormat("\n- Hook %" PRIu64 "\n",
+ cur_hook_sp->GetID());
+ any_thread_matched = true;
+ }
+
+ if (print_thread_header)
+ result.AppendMessageWithFormat(
+ "-- Thread %d\n",
+ exc_ctx_with_reasons[i].GetThreadPtr()->GetIndexID());
+
+ CommandInterpreterRunOptions options;
+ options.SetStopOnContinue(true);
+ options.SetStopOnError(true);
+ options.SetEchoCommands(false);
+ options.SetPrintResults(true);
+ options.SetPrintErrors(true);
+ options.SetAddToHistory(false);
+
+ // Force Async:
+ bool old_async = GetDebugger().GetAsyncExecution();
+ GetDebugger().SetAsyncExecution(true);
+ GetDebugger().GetCommandInterpreter().HandleCommands(
+ cur_hook_sp->GetCommands(), &exc_ctx_with_reasons[i], options,
+ result);
+ GetDebugger().SetAsyncExecution(old_async);
+ // If the command started the target going again, we should bag out of
+ // running the stop hooks.
+ if ((result.GetStatus() == eReturnStatusSuccessContinuingNoResult) ||
+ (result.GetStatus() == eReturnStatusSuccessContinuingResult)) {
+ // But only complain if there were more stop hooks to do:
+ StopHookCollection::iterator tmp = pos;
+ if (++tmp != end)
+ result.AppendMessageWithFormat(
+ "\nAborting stop hooks, hook %" PRIu64
+ " set the program running.\n"
+ " Consider using '-G true' to make "
+ "stop hooks auto-continue.\n",
+ cur_hook_sp->GetID());
+ keep_going = false;
+ did_restart = true;
+ }
+ }
+ }
+ }
+ // Finally, if auto-continue was requested, do it now:
+ if (!did_restart && auto_continue)
+ m_process_sp->PrivateResume();
+
+ result.GetImmediateOutputStream()->Flush();
+ result.GetImmediateErrorStream()->Flush();
+}
+
+const TargetPropertiesSP &Target::GetGlobalProperties() {
+ // NOTE: intentional leak so we don't crash if global destructor chain gets
+ // called as other threads still use the result of this function
+ static TargetPropertiesSP *g_settings_sp_ptr =
+ new TargetPropertiesSP(new TargetProperties(nullptr));
+ return *g_settings_sp_ptr;
+}
+
+Status Target::Install(ProcessLaunchInfo *launch_info) {
+ Status error;
+ PlatformSP platform_sp(GetPlatform());
+ if (platform_sp) {
+ if (platform_sp->IsRemote()) {
+ if (platform_sp->IsConnected()) {
+ // Install all files that have an install path, and always install the
+ // main executable when connected to a remote platform
+ const ModuleList &modules = GetImages();
+ const size_t num_images = modules.GetSize();
+ for (size_t idx = 0; idx < num_images; ++idx) {
+ ModuleSP module_sp(modules.GetModuleAtIndex(idx));
+ if (module_sp) {
+ const bool is_main_executable = module_sp == GetExecutableModule();
+ FileSpec local_file(module_sp->GetFileSpec());
+ if (local_file) {
+ FileSpec remote_file(module_sp->GetRemoteInstallFileSpec());
+ if (!remote_file) {
+ if (is_main_executable) // TODO: add setting for always
+ // installing main executable???
+ {
+ // Always install the main executable
+ remote_file = platform_sp->GetRemoteWorkingDirectory();
+ remote_file.AppendPathComponent(
+ module_sp->GetFileSpec().GetFilename().GetCString());
+ }
+ }
+ if (remote_file) {
+ error = platform_sp->Install(local_file, remote_file);
+ if (error.Success()) {
+ module_sp->SetPlatformFileSpec(remote_file);
+ if (is_main_executable) {
+ platform_sp->SetFilePermissions(remote_file, 0700);
+ if (launch_info)
+ launch_info->SetExecutableFile(remote_file, false);
+ }
+ } else
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ return error;
+}
+
+bool Target::ResolveLoadAddress(addr_t load_addr, Address &so_addr,
+ uint32_t stop_id) {
+ return m_section_load_history.ResolveLoadAddress(stop_id, load_addr, so_addr);
+}
+
+bool Target::ResolveFileAddress(lldb::addr_t file_addr,
+ Address &resolved_addr) {
+ return m_images.ResolveFileAddress(file_addr, resolved_addr);
+}
+
+bool Target::SetSectionLoadAddress(const SectionSP &section_sp,
+ addr_t new_section_load_addr,
+ bool warn_multiple) {
+ const addr_t old_section_load_addr =
+ m_section_load_history.GetSectionLoadAddress(
+ SectionLoadHistory::eStopIDNow, section_sp);
+ if (old_section_load_addr != new_section_load_addr) {
+ uint32_t stop_id = 0;
+ ProcessSP process_sp(GetProcessSP());
+ if (process_sp)
+ stop_id = process_sp->GetStopID();
+ else
+ stop_id = m_section_load_history.GetLastStopID();
+ if (m_section_load_history.SetSectionLoadAddress(
+ stop_id, section_sp, new_section_load_addr, warn_multiple))
+ return true; // Return true if the section load address was changed...
+ }
+ return false; // Return false to indicate nothing changed
+}
+
+size_t Target::UnloadModuleSections(const ModuleList &module_list) {
+ size_t section_unload_count = 0;
+ size_t num_modules = module_list.GetSize();
+ for (size_t i = 0; i < num_modules; ++i) {
+ section_unload_count +=
+ UnloadModuleSections(module_list.GetModuleAtIndex(i));
+ }
+ return section_unload_count;
+}
+
+size_t Target::UnloadModuleSections(const lldb::ModuleSP &module_sp) {
+ uint32_t stop_id = 0;
+ ProcessSP process_sp(GetProcessSP());
+ if (process_sp)
+ stop_id = process_sp->GetStopID();
+ else
+ stop_id = m_section_load_history.GetLastStopID();
+ SectionList *sections = module_sp->GetSectionList();
+ size_t section_unload_count = 0;
+ if (sections) {
+ const uint32_t num_sections = sections->GetNumSections(0);
+ for (uint32_t i = 0; i < num_sections; ++i) {
+ section_unload_count += m_section_load_history.SetSectionUnloaded(
+ stop_id, sections->GetSectionAtIndex(i));
+ }
+ }
+ return section_unload_count;
+}
+
+bool Target::SetSectionUnloaded(const lldb::SectionSP &section_sp) {
+ uint32_t stop_id = 0;
+ ProcessSP process_sp(GetProcessSP());
+ if (process_sp)
+ stop_id = process_sp->GetStopID();
+ else
+ stop_id = m_section_load_history.GetLastStopID();
+ return m_section_load_history.SetSectionUnloaded(stop_id, section_sp);
+}
+
+bool Target::SetSectionUnloaded(const lldb::SectionSP &section_sp,
+ addr_t load_addr) {
+ uint32_t stop_id = 0;
+ ProcessSP process_sp(GetProcessSP());
+ if (process_sp)
+ stop_id = process_sp->GetStopID();
+ else
+ stop_id = m_section_load_history.GetLastStopID();
+ return m_section_load_history.SetSectionUnloaded(stop_id, section_sp,
+ load_addr);
+}
+
+void Target::ClearAllLoadedSections() { m_section_load_history.Clear(); }
+
+Status Target::Launch(ProcessLaunchInfo &launch_info, Stream *stream) {
+ Status error;
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_TARGET));
+
+ LLDB_LOGF(log, "Target::%s() called for %s", __FUNCTION__,
+ launch_info.GetExecutableFile().GetPath().c_str());
+
+ StateType state = eStateInvalid;
+
+ // Scope to temporarily get the process state in case someone has manually
+ // remotely connected already to a process and we can skip the platform
+ // launching.
+ {
+ ProcessSP process_sp(GetProcessSP());
+
+ if (process_sp) {
+ state = process_sp->GetState();
+ LLDB_LOGF(log,
+ "Target::%s the process exists, and its current state is %s",
+ __FUNCTION__, StateAsCString(state));
+ } else {
+ LLDB_LOGF(log, "Target::%s the process instance doesn't currently exist.",
+ __FUNCTION__);
+ }
+ }
+
+ launch_info.GetFlags().Set(eLaunchFlagDebug);
+
+ // Get the value of synchronous execution here. If you wait till after you
+ // have started to run, then you could have hit a breakpoint, whose command
+ // might switch the value, and then you'll pick up that incorrect value.
+ Debugger &debugger = GetDebugger();
+ const bool synchronous_execution =
+ debugger.GetCommandInterpreter().GetSynchronous();
+
+ PlatformSP platform_sp(GetPlatform());
+
+ FinalizeFileActions(launch_info);
+
+ if (state == eStateConnected) {
+ if (launch_info.GetFlags().Test(eLaunchFlagLaunchInTTY)) {
+ error.SetErrorString(
+ "can't launch in tty when launching through a remote connection");
+ return error;
+ }
+ }
+
+ if (!launch_info.GetArchitecture().IsValid())
+ launch_info.GetArchitecture() = GetArchitecture();
+
+ // If we're not already connected to the process, and if we have a platform
+ // that can launch a process for debugging, go ahead and do that here.
+ if (state != eStateConnected && platform_sp &&
+ platform_sp->CanDebugProcess()) {
+ LLDB_LOGF(log, "Target::%s asking the platform to debug the process",
+ __FUNCTION__);
+
+ // If there was a previous process, delete it before we make the new one.
+ // One subtle point, we delete the process before we release the reference
+ // to m_process_sp. That way even if we are the last owner, the process
+ // will get Finalized before it gets destroyed.
+ DeleteCurrentProcess();
+
+ m_process_sp =
+ GetPlatform()->DebugProcess(launch_info, debugger, this, error);
+
+ } else {
+ LLDB_LOGF(log,
+ "Target::%s the platform doesn't know how to debug a "
+ "process, getting a process plugin to do this for us.",
+ __FUNCTION__);
+
+ if (state == eStateConnected) {
+ assert(m_process_sp);
+ } else {
+ // Use a Process plugin to construct the process.
+ const char *plugin_name = launch_info.GetProcessPluginName();
+ CreateProcess(launch_info.GetListener(), plugin_name, nullptr);
+ }
+
+ // Since we didn't have a platform launch the process, launch it here.
+ if (m_process_sp)
+ error = m_process_sp->Launch(launch_info);
+ }
+
+ if (!m_process_sp) {
+ if (error.Success())
+ error.SetErrorString("failed to launch or debug process");
+ return error;
+ }
+
+ if (error.Success()) {
+ if (synchronous_execution ||
+ !launch_info.GetFlags().Test(eLaunchFlagStopAtEntry)) {
+ ListenerSP hijack_listener_sp(launch_info.GetHijackListener());
+ if (!hijack_listener_sp) {
+ hijack_listener_sp =
+ Listener::MakeListener("lldb.Target.Launch.hijack");
+ launch_info.SetHijackListener(hijack_listener_sp);
+ m_process_sp->HijackProcessEvents(hijack_listener_sp);
+ }
+
+ StateType state = m_process_sp->WaitForProcessToStop(
+ llvm::None, nullptr, false, hijack_listener_sp, nullptr);
+
+ if (state == eStateStopped) {
+ if (!launch_info.GetFlags().Test(eLaunchFlagStopAtEntry)) {
+ if (synchronous_execution) {
+ // Now we have handled the stop-from-attach, and we are just
+ // switching to a synchronous resume. So we should switch to the
+ // SyncResume hijacker.
+ m_process_sp->RestoreProcessEvents();
+ m_process_sp->ResumeSynchronous(stream);
+ } else {
+ m_process_sp->RestoreProcessEvents();
+ error = m_process_sp->PrivateResume();
+ }
+ if (!error.Success()) {
+ Status error2;
+ error2.SetErrorStringWithFormat(
+ "process resume at entry point failed: %s", error.AsCString());
+ error = error2;
+ }
+ }
+ } else if (state == eStateExited) {
+ bool with_shell = !!launch_info.GetShell();
+ const int exit_status = m_process_sp->GetExitStatus();
+ const char *exit_desc = m_process_sp->GetExitDescription();
+#define LAUNCH_SHELL_MESSAGE \
+ "\n'r' and 'run' are aliases that default to launching through a " \
+ "shell.\nTry launching without going through a shell by using 'process " \
+ "launch'."
+ if (exit_desc && exit_desc[0]) {
+ if (with_shell)
+ error.SetErrorStringWithFormat(
+ "process exited with status %i (%s)" LAUNCH_SHELL_MESSAGE,
+ exit_status, exit_desc);
+ else
+ error.SetErrorStringWithFormat("process exited with status %i (%s)",
+ exit_status, exit_desc);
+ } else {
+ if (with_shell)
+ error.SetErrorStringWithFormat(
+ "process exited with status %i" LAUNCH_SHELL_MESSAGE,
+ exit_status);
+ else
+ error.SetErrorStringWithFormat("process exited with status %i",
+ exit_status);
+ }
+ } else {
+ error.SetErrorStringWithFormat(
+ "initial process state wasn't stopped: %s", StateAsCString(state));
+ }
+ }
+ m_process_sp->RestoreProcessEvents();
+ } else {
+ Status error2;
+ error2.SetErrorStringWithFormat("process launch failed: %s",
+ error.AsCString());
+ error = error2;
+ }
+ return error;
+}
+
+Status Target::Attach(ProcessAttachInfo &attach_info, Stream *stream) {
+ auto state = eStateInvalid;
+ auto process_sp = GetProcessSP();
+ if (process_sp) {
+ state = process_sp->GetState();
+ if (process_sp->IsAlive() && state != eStateConnected) {
+ if (state == eStateAttaching)
+ return Status("process attach is in progress");
+ return Status("a process is already being debugged");
+ }
+ }
+
+ const ModuleSP old_exec_module_sp = GetExecutableModule();
+
+ // If no process info was specified, then use the target executable name as
+ // the process to attach to by default
+ if (!attach_info.ProcessInfoSpecified()) {
+ if (old_exec_module_sp)
+ attach_info.GetExecutableFile().GetFilename() =
+ old_exec_module_sp->GetPlatformFileSpec().GetFilename();
+
+ if (!attach_info.ProcessInfoSpecified()) {
+ return Status("no process specified, create a target with a file, or "
+ "specify the --pid or --name");
+ }
+ }
+
+ const auto platform_sp =
+ GetDebugger().GetPlatformList().GetSelectedPlatform();
+ ListenerSP hijack_listener_sp;
+ const bool async = attach_info.GetAsync();
+ if (!async) {
+ hijack_listener_sp =
+ Listener::MakeListener("lldb.Target.Attach.attach.hijack");
+ attach_info.SetHijackListener(hijack_listener_sp);
+ }
+
+ Status error;
+ if (state != eStateConnected && platform_sp != nullptr &&
+ platform_sp->CanDebugProcess()) {
+ SetPlatform(platform_sp);
+ process_sp = platform_sp->Attach(attach_info, GetDebugger(), this, error);
+ } else {
+ if (state != eStateConnected) {
+ const char *plugin_name = attach_info.GetProcessPluginName();
+ process_sp =
+ CreateProcess(attach_info.GetListenerForProcess(GetDebugger()),
+ plugin_name, nullptr);
+ if (process_sp == nullptr) {
+ error.SetErrorStringWithFormat(
+ "failed to create process using plugin %s",
+ (plugin_name) ? plugin_name : "null");
+ return error;
+ }
+ }
+ if (hijack_listener_sp)
+ process_sp->HijackProcessEvents(hijack_listener_sp);
+ error = process_sp->Attach(attach_info);
+ }
+
+ if (error.Success() && process_sp) {
+ if (async) {
+ process_sp->RestoreProcessEvents();
+ } else {
+ state = process_sp->WaitForProcessToStop(
+ llvm::None, nullptr, false, attach_info.GetHijackListener(), stream);
+ process_sp->RestoreProcessEvents();
+
+ if (state != eStateStopped) {
+ const char *exit_desc = process_sp->GetExitDescription();
+ if (exit_desc)
+ error.SetErrorStringWithFormat("%s", exit_desc);
+ else
+ error.SetErrorString(
+ "process did not stop (no such process or permission problem?)");
+ process_sp->Destroy(false);
+ }
+ }
+ }
+ return error;
+}
+
+void Target::FinalizeFileActions(ProcessLaunchInfo &info) {
+ Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
+
+ // Finalize the file actions, and if none were given, default to opening up a
+ // pseudo terminal
+ PlatformSP platform_sp = GetPlatform();
+ const bool default_to_use_pty =
+ m_platform_sp ? m_platform_sp->IsHost() : false;
+ LLDB_LOG(
+ log,
+ "have platform={0}, platform_sp->IsHost()={1}, default_to_use_pty={2}",
+ bool(platform_sp),
+ platform_sp ? (platform_sp->IsHost() ? "true" : "false") : "n/a",
+ default_to_use_pty);
+
+ // If nothing for stdin or stdout or stderr was specified, then check the
+ // process for any default settings that were set with "settings set"
+ if (info.GetFileActionForFD(STDIN_FILENO) == nullptr ||
+ info.GetFileActionForFD(STDOUT_FILENO) == nullptr ||
+ info.GetFileActionForFD(STDERR_FILENO) == nullptr) {
+ LLDB_LOG(log, "at least one of stdin/stdout/stderr was not set, evaluating "
+ "default handling");
+
+ if (info.GetFlags().Test(eLaunchFlagLaunchInTTY)) {
+ // Do nothing, if we are launching in a remote terminal no file actions
+ // should be done at all.
+ return;
+ }
+
+ if (info.GetFlags().Test(eLaunchFlagDisableSTDIO)) {
+ LLDB_LOG(log, "eLaunchFlagDisableSTDIO set, adding suppression action "
+ "for stdin, stdout and stderr");
+ info.AppendSuppressFileAction(STDIN_FILENO, true, false);
+ info.AppendSuppressFileAction(STDOUT_FILENO, false, true);
+ info.AppendSuppressFileAction(STDERR_FILENO, false, true);
+ } else {
+ // Check for any values that might have gotten set with any of: (lldb)
+ // settings set target.input-path (lldb) settings set target.output-path
+ // (lldb) settings set target.error-path
+ FileSpec in_file_spec;
+ FileSpec out_file_spec;
+ FileSpec err_file_spec;
+ // Only override with the target settings if we don't already have an
+ // action for in, out or error
+ if (info.GetFileActionForFD(STDIN_FILENO) == nullptr)
+ in_file_spec = GetStandardInputPath();
+ if (info.GetFileActionForFD(STDOUT_FILENO) == nullptr)
+ out_file_spec = GetStandardOutputPath();
+ if (info.GetFileActionForFD(STDERR_FILENO) == nullptr)
+ err_file_spec = GetStandardErrorPath();
+
+ LLDB_LOG(log, "target stdin='{0}', target stdout='{1}', stderr='{1}'",
+ in_file_spec, out_file_spec, err_file_spec);
+
+ if (in_file_spec) {
+ info.AppendOpenFileAction(STDIN_FILENO, in_file_spec, true, false);
+ LLDB_LOG(log, "appended stdin open file action for {0}", in_file_spec);
+ }
+
+ if (out_file_spec) {
+ info.AppendOpenFileAction(STDOUT_FILENO, out_file_spec, false, true);
+ LLDB_LOG(log, "appended stdout open file action for {0}",
+ out_file_spec);
+ }
+
+ if (err_file_spec) {
+ info.AppendOpenFileAction(STDERR_FILENO, err_file_spec, false, true);
+ LLDB_LOG(log, "appended stderr open file action for {0}",
+ err_file_spec);
+ }
+
+ if (default_to_use_pty &&
+ (!in_file_spec || !out_file_spec || !err_file_spec)) {
+ llvm::Error Err = info.SetUpPtyRedirection();
+ LLDB_LOG_ERROR(log, std::move(Err), "SetUpPtyRedirection failed: {0}");
+ }
+ }
+ }
+}
+
+// Target::StopHook
+Target::StopHook::StopHook(lldb::TargetSP target_sp, lldb::user_id_t uid)
+ : UserID(uid), m_target_sp(target_sp), m_commands(), m_specifier_sp(),
+ m_thread_spec_up() {}
+
+Target::StopHook::StopHook(const StopHook &rhs)
+ : UserID(rhs.GetID()), m_target_sp(rhs.m_target_sp),
+ m_commands(rhs.m_commands), m_specifier_sp(rhs.m_specifier_sp),
+ m_thread_spec_up(), m_active(rhs.m_active),
+ m_auto_continue(rhs.m_auto_continue) {
+ if (rhs.m_thread_spec_up)
+ m_thread_spec_up.reset(new ThreadSpec(*rhs.m_thread_spec_up));
+}
+
+Target::StopHook::~StopHook() = default;
+
+void Target::StopHook::SetSpecifier(SymbolContextSpecifier *specifier) {
+ m_specifier_sp.reset(specifier);
+}
+
+void Target::StopHook::SetThreadSpecifier(ThreadSpec *specifier) {
+ m_thread_spec_up.reset(specifier);
+}
+
+void Target::StopHook::GetDescription(Stream *s,
+ lldb::DescriptionLevel level) const {
+ unsigned indent_level = s->GetIndentLevel();
+
+ s->SetIndentLevel(indent_level + 2);
+
+ s->Printf("Hook: %" PRIu64 "\n", GetID());
+ if (m_active)
+ s->Indent("State: enabled\n");
+ else
+ s->Indent("State: disabled\n");
+
+ if (m_auto_continue)
+ s->Indent("AutoContinue on\n");
+
+ if (m_specifier_sp) {
+ s->Indent();
+ s->PutCString("Specifier:\n");
+ s->SetIndentLevel(indent_level + 4);
+ m_specifier_sp->GetDescription(s, level);
+ s->SetIndentLevel(indent_level + 2);
+ }
+
+ if (m_thread_spec_up) {
+ StreamString tmp;
+ s->Indent("Thread:\n");
+ m_thread_spec_up->GetDescription(&tmp, level);
+ s->SetIndentLevel(indent_level + 4);
+ s->Indent(tmp.GetString());
+ s->PutCString("\n");
+ s->SetIndentLevel(indent_level + 2);
+ }
+
+ s->Indent("Commands: \n");
+ s->SetIndentLevel(indent_level + 4);
+ uint32_t num_commands = m_commands.GetSize();
+ for (uint32_t i = 0; i < num_commands; i++) {
+ s->Indent(m_commands.GetStringAtIndex(i));
+ s->PutCString("\n");
+ }
+ s->SetIndentLevel(indent_level);
+}
+
+static constexpr OptionEnumValueElement g_dynamic_value_types[] = {
+ {
+ eNoDynamicValues,
+ "no-dynamic-values",
+ "Don't calculate the dynamic type of values",
+ },
+ {
+ eDynamicCanRunTarget,
+ "run-target",
+ "Calculate the dynamic type of values "
+ "even if you have to run the target.",
+ },
+ {
+ eDynamicDontRunTarget,
+ "no-run-target",
+ "Calculate the dynamic type of values, but don't run the target.",
+ },
+};
+
+OptionEnumValues lldb_private::GetDynamicValueTypes() {
+ return OptionEnumValues(g_dynamic_value_types);
+}
+
+static constexpr OptionEnumValueElement g_inline_breakpoint_enums[] = {
+ {
+ eInlineBreakpointsNever,
+ "never",
+ "Never look for inline breakpoint locations (fastest). This setting "
+ "should only be used if you know that no inlining occurs in your"
+ "programs.",
+ },
+ {
+ eInlineBreakpointsHeaders,
+ "headers",
+ "Only check for inline breakpoint locations when setting breakpoints "
+ "in header files, but not when setting breakpoint in implementation "
+ "source files (default).",
+ },
+ {
+ eInlineBreakpointsAlways,
+ "always",
+ "Always look for inline breakpoint locations when setting file and "
+ "line breakpoints (slower but most accurate).",
+ },
+};
+
+enum x86DisassemblyFlavor {
+ eX86DisFlavorDefault,
+ eX86DisFlavorIntel,
+ eX86DisFlavorATT
+};
+
+static constexpr OptionEnumValueElement g_x86_dis_flavor_value_types[] = {
+ {
+ eX86DisFlavorDefault,
+ "default",
+ "Disassembler default (currently att).",
+ },
+ {
+ eX86DisFlavorIntel,
+ "intel",
+ "Intel disassembler flavor.",
+ },
+ {
+ eX86DisFlavorATT,
+ "att",
+ "AT&T disassembler flavor.",
+ },
+};
+
+static constexpr OptionEnumValueElement g_hex_immediate_style_values[] = {
+ {
+ Disassembler::eHexStyleC,
+ "c",
+ "C-style (0xffff).",
+ },
+ {
+ Disassembler::eHexStyleAsm,
+ "asm",
+ "Asm-style (0ffffh).",
+ },
+};
+
+static constexpr OptionEnumValueElement g_load_script_from_sym_file_values[] = {
+ {
+ eLoadScriptFromSymFileTrue,
+ "true",
+ "Load debug scripts inside symbol files",
+ },
+ {
+ eLoadScriptFromSymFileFalse,
+ "false",
+ "Do not load debug scripts inside symbol files.",
+ },
+ {
+ eLoadScriptFromSymFileWarn,
+ "warn",
+ "Warn about debug scripts inside symbol files but do not load them.",
+ },
+};
+
+static constexpr OptionEnumValueElement g_load_cwd_lldbinit_values[] = {
+ {
+ eLoadCWDlldbinitTrue,
+ "true",
+ "Load .lldbinit files from current directory",
+ },
+ {
+ eLoadCWDlldbinitFalse,
+ "false",
+ "Do not load .lldbinit files from current directory",
+ },
+ {
+ eLoadCWDlldbinitWarn,
+ "warn",
+ "Warn about loading .lldbinit files from current directory",
+ },
+};
+
+static constexpr OptionEnumValueElement g_memory_module_load_level_values[] = {
+ {
+ eMemoryModuleLoadLevelMinimal,
+ "minimal",
+ "Load minimal information when loading modules from memory. Currently "
+ "this setting loads sections only.",
+ },
+ {
+ eMemoryModuleLoadLevelPartial,
+ "partial",
+ "Load partial information when loading modules from memory. Currently "
+ "this setting loads sections and function bounds.",
+ },
+ {
+ eMemoryModuleLoadLevelComplete,
+ "complete",
+ "Load complete information when loading modules from memory. Currently "
+ "this setting loads sections and all symbols.",
+ },
+};
+
+#define LLDB_PROPERTIES_target
+#include "TargetProperties.inc"
+
+enum {
+#define LLDB_PROPERTIES_target
+#include "TargetPropertiesEnum.inc"
+ ePropertyExperimental,
+};
+
+class TargetOptionValueProperties : public OptionValueProperties {
+public:
+ TargetOptionValueProperties(ConstString name)
+ : OptionValueProperties(name), m_target(nullptr), m_got_host_env(false) {}
+
+ // This constructor is used when creating TargetOptionValueProperties when it
+ // is part of a new lldb_private::Target instance. It will copy all current
+ // global property values as needed
+ TargetOptionValueProperties(Target *target,
+ const TargetPropertiesSP &target_properties_sp)
+ : OptionValueProperties(*target_properties_sp->GetValueProperties()),
+ m_target(target), m_got_host_env(false) {}
+
+ const Property *GetPropertyAtIndex(const ExecutionContext *exe_ctx,
+ bool will_modify,
+ uint32_t idx) const override {
+ // When getting the value for a key from the target options, we will always
+ // try and grab the setting from the current target if there is one. Else
+ // we just use the one from this instance.
+ if (idx == ePropertyEnvVars)
+ GetHostEnvironmentIfNeeded();
+
+ if (exe_ctx) {
+ Target *target = exe_ctx->GetTargetPtr();
+ if (target) {
+ TargetOptionValueProperties *target_properties =
+ static_cast<TargetOptionValueProperties *>(
+ target->GetValueProperties().get());
+ if (this != target_properties)
+ return target_properties->ProtectedGetPropertyAtIndex(idx);
+ }
+ }
+ return ProtectedGetPropertyAtIndex(idx);
+ }
+
+ lldb::TargetSP GetTargetSP() { return m_target->shared_from_this(); }
+
+protected:
+ void GetHostEnvironmentIfNeeded() const {
+ if (!m_got_host_env) {
+ if (m_target) {
+ m_got_host_env = true;
+ const uint32_t idx = ePropertyInheritEnv;
+ if (GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0)) {
+ PlatformSP platform_sp(m_target->GetPlatform());
+ if (platform_sp) {
+ Environment env = platform_sp->GetEnvironment();
+ OptionValueDictionary *env_dict =
+ GetPropertyAtIndexAsOptionValueDictionary(nullptr,
+ ePropertyEnvVars);
+ if (env_dict) {
+ const bool can_replace = false;
+ for (const auto &KV : env) {
+ // Don't allow existing keys to be replaced with ones we get
+ // from the platform environment
+ env_dict->SetValueForKey(
+ ConstString(KV.first()),
+ OptionValueSP(new OptionValueString(KV.second.c_str())),
+ can_replace);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ Target *m_target;
+ mutable bool m_got_host_env;
+};
+
+// TargetProperties
+#define LLDB_PROPERTIES_experimental
+#include "TargetProperties.inc"
+
+enum {
+#define LLDB_PROPERTIES_experimental
+#include "TargetPropertiesEnum.inc"
+};
+
+class TargetExperimentalOptionValueProperties : public OptionValueProperties {
+public:
+ TargetExperimentalOptionValueProperties()
+ : OptionValueProperties(
+ ConstString(Properties::GetExperimentalSettingsName())) {}
+};
+
+TargetExperimentalProperties::TargetExperimentalProperties()
+ : Properties(OptionValuePropertiesSP(
+ new TargetExperimentalOptionValueProperties())) {
+ m_collection_sp->Initialize(g_experimental_properties);
+}
+
+// TargetProperties
+TargetProperties::TargetProperties(Target *target)
+ : Properties(), m_launch_info() {
+ if (target) {
+ m_collection_sp = std::make_shared<TargetOptionValueProperties>(
+ target, Target::GetGlobalProperties());
+
+ // Set callbacks to update launch_info whenever "settins set" updated any
+ // of these properties
+ m_collection_sp->SetValueChangedCallback(
+ ePropertyArg0, [this] { Arg0ValueChangedCallback(); });
+ m_collection_sp->SetValueChangedCallback(
+ ePropertyRunArgs, [this] { RunArgsValueChangedCallback(); });
+ m_collection_sp->SetValueChangedCallback(
+ ePropertyEnvVars, [this] { EnvVarsValueChangedCallback(); });
+ m_collection_sp->SetValueChangedCallback(
+ ePropertyInputPath, [this] { InputPathValueChangedCallback(); });
+ m_collection_sp->SetValueChangedCallback(
+ ePropertyOutputPath, [this] { OutputPathValueChangedCallback(); });
+ m_collection_sp->SetValueChangedCallback(
+ ePropertyErrorPath, [this] { ErrorPathValueChangedCallback(); });
+ m_collection_sp->SetValueChangedCallback(ePropertyDetachOnError, [this] {
+ DetachOnErrorValueChangedCallback();
+ });
+ m_collection_sp->SetValueChangedCallback(
+ ePropertyDisableASLR, [this] { DisableASLRValueChangedCallback(); });
+ m_collection_sp->SetValueChangedCallback(
+ ePropertyDisableSTDIO, [this] { DisableSTDIOValueChangedCallback(); });
+
+ m_experimental_properties_up.reset(new TargetExperimentalProperties());
+ m_collection_sp->AppendProperty(
+ ConstString(Properties::GetExperimentalSettingsName()),
+ ConstString("Experimental settings - setting these won't produce "
+ "errors if the setting is not present."),
+ true, m_experimental_properties_up->GetValueProperties());
+
+ // Update m_launch_info once it was created
+ Arg0ValueChangedCallback();
+ RunArgsValueChangedCallback();
+ // EnvVarsValueChangedCallback(); // FIXME: cause segfault in
+ // Target::GetPlatform()
+ InputPathValueChangedCallback();
+ OutputPathValueChangedCallback();
+ ErrorPathValueChangedCallback();
+ DetachOnErrorValueChangedCallback();
+ DisableASLRValueChangedCallback();
+ DisableSTDIOValueChangedCallback();
+ } else {
+ m_collection_sp =
+ std::make_shared<TargetOptionValueProperties>(ConstString("target"));
+ m_collection_sp->Initialize(g_target_properties);
+ m_experimental_properties_up.reset(new TargetExperimentalProperties());
+ m_collection_sp->AppendProperty(
+ ConstString(Properties::GetExperimentalSettingsName()),
+ ConstString("Experimental settings - setting these won't produce "
+ "errors if the setting is not present."),
+ true, m_experimental_properties_up->GetValueProperties());
+ m_collection_sp->AppendProperty(
+ ConstString("process"), ConstString("Settings specific to processes."),
+ true, Process::GetGlobalProperties()->GetValueProperties());
+ }
+}
+
+TargetProperties::~TargetProperties() = default;
+
+bool TargetProperties::GetInjectLocalVariables(
+ ExecutionContext *exe_ctx) const {
+ const Property *exp_property = m_collection_sp->GetPropertyAtIndex(
+ exe_ctx, false, ePropertyExperimental);
+ OptionValueProperties *exp_values =
+ exp_property->GetValue()->GetAsProperties();
+ if (exp_values)
+ return exp_values->GetPropertyAtIndexAsBoolean(
+ exe_ctx, ePropertyInjectLocalVars, true);
+ else
+ return true;
+}
+
+void TargetProperties::SetInjectLocalVariables(ExecutionContext *exe_ctx,
+ bool b) {
+ const Property *exp_property =
+ m_collection_sp->GetPropertyAtIndex(exe_ctx, true, ePropertyExperimental);
+ OptionValueProperties *exp_values =
+ exp_property->GetValue()->GetAsProperties();
+ if (exp_values)
+ exp_values->SetPropertyAtIndexAsBoolean(exe_ctx, ePropertyInjectLocalVars,
+ true);
+}
+
+ArchSpec TargetProperties::GetDefaultArchitecture() const {
+ OptionValueArch *value = m_collection_sp->GetPropertyAtIndexAsOptionValueArch(
+ nullptr, ePropertyDefaultArch);
+ if (value)
+ return value->GetCurrentValue();
+ return ArchSpec();
+}
+
+void TargetProperties::SetDefaultArchitecture(const ArchSpec &arch) {
+ OptionValueArch *value = m_collection_sp->GetPropertyAtIndexAsOptionValueArch(
+ nullptr, ePropertyDefaultArch);
+ if (value)
+ return value->SetCurrentValue(arch, true);
+}
+
+bool TargetProperties::GetMoveToNearestCode() const {
+ const uint32_t idx = ePropertyMoveToNearestCode;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+lldb::DynamicValueType TargetProperties::GetPreferDynamicValue() const {
+ const uint32_t idx = ePropertyPreferDynamic;
+ return (lldb::DynamicValueType)
+ m_collection_sp->GetPropertyAtIndexAsEnumeration(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+bool TargetProperties::SetPreferDynamicValue(lldb::DynamicValueType d) {
+ const uint32_t idx = ePropertyPreferDynamic;
+ return m_collection_sp->SetPropertyAtIndexAsEnumeration(nullptr, idx, d);
+}
+
+bool TargetProperties::GetPreloadSymbols() const {
+ const uint32_t idx = ePropertyPreloadSymbols;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+void TargetProperties::SetPreloadSymbols(bool b) {
+ const uint32_t idx = ePropertyPreloadSymbols;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, b);
+}
+
+bool TargetProperties::GetDisableASLR() const {
+ const uint32_t idx = ePropertyDisableASLR;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+void TargetProperties::SetDisableASLR(bool b) {
+ const uint32_t idx = ePropertyDisableASLR;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, b);
+}
+
+bool TargetProperties::GetDetachOnError() const {
+ const uint32_t idx = ePropertyDetachOnError;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+void TargetProperties::SetDetachOnError(bool b) {
+ const uint32_t idx = ePropertyDetachOnError;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, b);
+}
+
+bool TargetProperties::GetDisableSTDIO() const {
+ const uint32_t idx = ePropertyDisableSTDIO;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+void TargetProperties::SetDisableSTDIO(bool b) {
+ const uint32_t idx = ePropertyDisableSTDIO;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, b);
+}
+
+const char *TargetProperties::GetDisassemblyFlavor() const {
+ const uint32_t idx = ePropertyDisassemblyFlavor;
+ const char *return_value;
+
+ x86DisassemblyFlavor flavor_value =
+ (x86DisassemblyFlavor)m_collection_sp->GetPropertyAtIndexAsEnumeration(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+ return_value = g_x86_dis_flavor_value_types[flavor_value].string_value;
+ return return_value;
+}
+
+InlineStrategy TargetProperties::GetInlineStrategy() const {
+ const uint32_t idx = ePropertyInlineStrategy;
+ return (InlineStrategy)m_collection_sp->GetPropertyAtIndexAsEnumeration(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+llvm::StringRef TargetProperties::GetArg0() const {
+ const uint32_t idx = ePropertyArg0;
+ return m_collection_sp->GetPropertyAtIndexAsString(nullptr, idx,
+ llvm::StringRef());
+}
+
+void TargetProperties::SetArg0(llvm::StringRef arg) {
+ const uint32_t idx = ePropertyArg0;
+ m_collection_sp->SetPropertyAtIndexAsString(nullptr, idx, arg);
+ m_launch_info.SetArg0(arg);
+}
+
+bool TargetProperties::GetRunArguments(Args &args) const {
+ const uint32_t idx = ePropertyRunArgs;
+ return m_collection_sp->GetPropertyAtIndexAsArgs(nullptr, idx, args);
+}
+
+void TargetProperties::SetRunArguments(const Args &args) {
+ const uint32_t idx = ePropertyRunArgs;
+ m_collection_sp->SetPropertyAtIndexFromArgs(nullptr, idx, args);
+ m_launch_info.GetArguments() = args;
+}
+
+Environment TargetProperties::GetEnvironment() const {
+ // TODO: Get rid of the Args intermediate step
+ Args env;
+ const uint32_t idx = ePropertyEnvVars;
+ m_collection_sp->GetPropertyAtIndexAsArgs(nullptr, idx, env);
+ return Environment(env);
+}
+
+void TargetProperties::SetEnvironment(Environment env) {
+ // TODO: Get rid of the Args intermediate step
+ const uint32_t idx = ePropertyEnvVars;
+ m_collection_sp->SetPropertyAtIndexFromArgs(nullptr, idx, Args(env));
+ m_launch_info.GetEnvironment() = std::move(env);
+}
+
+bool TargetProperties::GetSkipPrologue() const {
+ const uint32_t idx = ePropertySkipPrologue;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+PathMappingList &TargetProperties::GetSourcePathMap() const {
+ const uint32_t idx = ePropertySourceMap;
+ OptionValuePathMappings *option_value =
+ m_collection_sp->GetPropertyAtIndexAsOptionValuePathMappings(nullptr,
+ false, idx);
+ assert(option_value);
+ return option_value->GetCurrentValue();
+}
+
+void TargetProperties::AppendExecutableSearchPaths(const FileSpec &dir) {
+ const uint32_t idx = ePropertyExecutableSearchPaths;
+ OptionValueFileSpecList *option_value =
+ m_collection_sp->GetPropertyAtIndexAsOptionValueFileSpecList(nullptr,
+ false, idx);
+ assert(option_value);
+ option_value->AppendCurrentValue(dir);
+}
+
+FileSpecList TargetProperties::GetExecutableSearchPaths() {
+ const uint32_t idx = ePropertyExecutableSearchPaths;
+ const OptionValueFileSpecList *option_value =
+ m_collection_sp->GetPropertyAtIndexAsOptionValueFileSpecList(nullptr,
+ false, idx);
+ assert(option_value);
+ return option_value->GetCurrentValue();
+}
+
+FileSpecList TargetProperties::GetDebugFileSearchPaths() {
+ const uint32_t idx = ePropertyDebugFileSearchPaths;
+ const OptionValueFileSpecList *option_value =
+ m_collection_sp->GetPropertyAtIndexAsOptionValueFileSpecList(nullptr,
+ false, idx);
+ assert(option_value);
+ return option_value->GetCurrentValue();
+}
+
+FileSpecList TargetProperties::GetClangModuleSearchPaths() {
+ const uint32_t idx = ePropertyClangModuleSearchPaths;
+ const OptionValueFileSpecList *option_value =
+ m_collection_sp->GetPropertyAtIndexAsOptionValueFileSpecList(nullptr,
+ false, idx);
+ assert(option_value);
+ return option_value->GetCurrentValue();
+}
+
+bool TargetProperties::GetEnableAutoImportClangModules() const {
+ const uint32_t idx = ePropertyAutoImportClangModules;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+bool TargetProperties::GetEnableImportStdModule() const {
+ const uint32_t idx = ePropertyImportStdModule;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+bool TargetProperties::GetEnableAutoApplyFixIts() const {
+ const uint32_t idx = ePropertyAutoApplyFixIts;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+bool TargetProperties::GetEnableNotifyAboutFixIts() const {
+ const uint32_t idx = ePropertyNotifyAboutFixIts;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+bool TargetProperties::GetEnableSaveObjects() const {
+ const uint32_t idx = ePropertySaveObjects;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+bool TargetProperties::GetEnableSyntheticValue() const {
+ const uint32_t idx = ePropertyEnableSynthetic;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+uint32_t TargetProperties::GetMaxZeroPaddingInFloatFormat() const {
+ const uint32_t idx = ePropertyMaxZeroPaddingInFloatFormat;
+ return m_collection_sp->GetPropertyAtIndexAsUInt64(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+uint32_t TargetProperties::GetMaximumNumberOfChildrenToDisplay() const {
+ const uint32_t idx = ePropertyMaxChildrenCount;
+ return m_collection_sp->GetPropertyAtIndexAsSInt64(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+uint32_t TargetProperties::GetMaximumSizeOfStringSummary() const {
+ const uint32_t idx = ePropertyMaxSummaryLength;
+ return m_collection_sp->GetPropertyAtIndexAsSInt64(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+uint32_t TargetProperties::GetMaximumMemReadSize() const {
+ const uint32_t idx = ePropertyMaxMemReadSize;
+ return m_collection_sp->GetPropertyAtIndexAsSInt64(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+FileSpec TargetProperties::GetStandardInputPath() const {
+ const uint32_t idx = ePropertyInputPath;
+ return m_collection_sp->GetPropertyAtIndexAsFileSpec(nullptr, idx);
+}
+
+void TargetProperties::SetStandardInputPath(llvm::StringRef path) {
+ const uint32_t idx = ePropertyInputPath;
+ m_collection_sp->SetPropertyAtIndexAsString(nullptr, idx, path);
+}
+
+FileSpec TargetProperties::GetStandardOutputPath() const {
+ const uint32_t idx = ePropertyOutputPath;
+ return m_collection_sp->GetPropertyAtIndexAsFileSpec(nullptr, idx);
+}
+
+void TargetProperties::SetStandardOutputPath(llvm::StringRef path) {
+ const uint32_t idx = ePropertyOutputPath;
+ m_collection_sp->SetPropertyAtIndexAsString(nullptr, idx, path);
+}
+
+FileSpec TargetProperties::GetStandardErrorPath() const {
+ const uint32_t idx = ePropertyErrorPath;
+ return m_collection_sp->GetPropertyAtIndexAsFileSpec(nullptr, idx);
+}
+
+void TargetProperties::SetStandardErrorPath(llvm::StringRef path) {
+ const uint32_t idx = ePropertyErrorPath;
+ m_collection_sp->SetPropertyAtIndexAsString(nullptr, idx, path);
+}
+
+LanguageType TargetProperties::GetLanguage() const {
+ OptionValueLanguage *value =
+ m_collection_sp->GetPropertyAtIndexAsOptionValueLanguage(
+ nullptr, ePropertyLanguage);
+ if (value)
+ return value->GetCurrentValue();
+ return LanguageType();
+}
+
+llvm::StringRef TargetProperties::GetExpressionPrefixContents() {
+ const uint32_t idx = ePropertyExprPrefix;
+ OptionValueFileSpec *file =
+ m_collection_sp->GetPropertyAtIndexAsOptionValueFileSpec(nullptr, false,
+ idx);
+ if (file) {
+ DataBufferSP data_sp(file->GetFileContents());
+ if (data_sp)
+ return llvm::StringRef(
+ reinterpret_cast<const char *>(data_sp->GetBytes()),
+ data_sp->GetByteSize());
+ }
+ return "";
+}
+
+bool TargetProperties::GetBreakpointsConsultPlatformAvoidList() {
+ const uint32_t idx = ePropertyBreakpointUseAvoidList;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+bool TargetProperties::GetUseHexImmediates() const {
+ const uint32_t idx = ePropertyUseHexImmediates;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+bool TargetProperties::GetUseFastStepping() const {
+ const uint32_t idx = ePropertyUseFastStepping;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+bool TargetProperties::GetDisplayExpressionsInCrashlogs() const {
+ const uint32_t idx = ePropertyDisplayExpressionsInCrashlogs;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+LoadScriptFromSymFile TargetProperties::GetLoadScriptFromSymbolFile() const {
+ const uint32_t idx = ePropertyLoadScriptFromSymbolFile;
+ return (LoadScriptFromSymFile)
+ m_collection_sp->GetPropertyAtIndexAsEnumeration(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+LoadCWDlldbinitFile TargetProperties::GetLoadCWDlldbinitFile() const {
+ const uint32_t idx = ePropertyLoadCWDlldbinitFile;
+ return (LoadCWDlldbinitFile)m_collection_sp->GetPropertyAtIndexAsEnumeration(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+Disassembler::HexImmediateStyle TargetProperties::GetHexImmediateStyle() const {
+ const uint32_t idx = ePropertyHexImmediateStyle;
+ return (Disassembler::HexImmediateStyle)
+ m_collection_sp->GetPropertyAtIndexAsEnumeration(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+MemoryModuleLoadLevel TargetProperties::GetMemoryModuleLoadLevel() const {
+ const uint32_t idx = ePropertyMemoryModuleLoadLevel;
+ return (MemoryModuleLoadLevel)
+ m_collection_sp->GetPropertyAtIndexAsEnumeration(
+ nullptr, idx, g_target_properties[idx].default_uint_value);
+}
+
+bool TargetProperties::GetUserSpecifiedTrapHandlerNames(Args &args) const {
+ const uint32_t idx = ePropertyTrapHandlerNames;
+ return m_collection_sp->GetPropertyAtIndexAsArgs(nullptr, idx, args);
+}
+
+void TargetProperties::SetUserSpecifiedTrapHandlerNames(const Args &args) {
+ const uint32_t idx = ePropertyTrapHandlerNames;
+ m_collection_sp->SetPropertyAtIndexFromArgs(nullptr, idx, args);
+}
+
+bool TargetProperties::GetDisplayRuntimeSupportValues() const {
+ const uint32_t idx = ePropertyDisplayRuntimeSupportValues;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(nullptr, idx, false);
+}
+
+void TargetProperties::SetDisplayRuntimeSupportValues(bool b) {
+ const uint32_t idx = ePropertyDisplayRuntimeSupportValues;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, b);
+}
+
+bool TargetProperties::GetDisplayRecognizedArguments() const {
+ const uint32_t idx = ePropertyDisplayRecognizedArguments;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(nullptr, idx, false);
+}
+
+void TargetProperties::SetDisplayRecognizedArguments(bool b) {
+ const uint32_t idx = ePropertyDisplayRecognizedArguments;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, b);
+}
+
+bool TargetProperties::GetNonStopModeEnabled() const {
+ const uint32_t idx = ePropertyNonStopModeEnabled;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(nullptr, idx, false);
+}
+
+void TargetProperties::SetNonStopModeEnabled(bool b) {
+ const uint32_t idx = ePropertyNonStopModeEnabled;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, b);
+}
+
+const ProcessLaunchInfo &TargetProperties::GetProcessLaunchInfo() {
+ m_launch_info.SetArg0(GetArg0()); // FIXME: Arg0 callback doesn't work
+ return m_launch_info;
+}
+
+void TargetProperties::SetProcessLaunchInfo(
+ const ProcessLaunchInfo &launch_info) {
+ m_launch_info = launch_info;
+ SetArg0(launch_info.GetArg0());
+ SetRunArguments(launch_info.GetArguments());
+ SetEnvironment(launch_info.GetEnvironment());
+ const FileAction *input_file_action =
+ launch_info.GetFileActionForFD(STDIN_FILENO);
+ if (input_file_action) {
+ SetStandardInputPath(input_file_action->GetPath());
+ }
+ const FileAction *output_file_action =
+ launch_info.GetFileActionForFD(STDOUT_FILENO);
+ if (output_file_action) {
+ SetStandardOutputPath(output_file_action->GetPath());
+ }
+ const FileAction *error_file_action =
+ launch_info.GetFileActionForFD(STDERR_FILENO);
+ if (error_file_action) {
+ SetStandardErrorPath(error_file_action->GetPath());
+ }
+ SetDetachOnError(launch_info.GetFlags().Test(lldb::eLaunchFlagDetachOnError));
+ SetDisableASLR(launch_info.GetFlags().Test(lldb::eLaunchFlagDisableASLR));
+ SetDisableSTDIO(launch_info.GetFlags().Test(lldb::eLaunchFlagDisableSTDIO));
+}
+
+bool TargetProperties::GetRequireHardwareBreakpoints() const {
+ const uint32_t idx = ePropertyRequireHardwareBreakpoints;
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, idx, g_target_properties[idx].default_uint_value != 0);
+}
+
+void TargetProperties::SetRequireHardwareBreakpoints(bool b) {
+ const uint32_t idx = ePropertyRequireHardwareBreakpoints;
+ m_collection_sp->SetPropertyAtIndexAsBoolean(nullptr, idx, b);
+}
+
+void TargetProperties::Arg0ValueChangedCallback() {
+ m_launch_info.SetArg0(GetArg0());
+}
+
+void TargetProperties::RunArgsValueChangedCallback() {
+ Args args;
+ if (GetRunArguments(args))
+ m_launch_info.GetArguments() = args;
+}
+
+void TargetProperties::EnvVarsValueChangedCallback() {
+ m_launch_info.GetEnvironment() = GetEnvironment();
+}
+
+void TargetProperties::InputPathValueChangedCallback() {
+ m_launch_info.AppendOpenFileAction(STDIN_FILENO, GetStandardInputPath(), true,
+ false);
+}
+
+void TargetProperties::OutputPathValueChangedCallback() {
+ m_launch_info.AppendOpenFileAction(STDOUT_FILENO, GetStandardOutputPath(),
+ false, true);
+}
+
+void TargetProperties::ErrorPathValueChangedCallback() {
+ m_launch_info.AppendOpenFileAction(STDERR_FILENO, GetStandardErrorPath(),
+ false, true);
+}
+
+void TargetProperties::DetachOnErrorValueChangedCallback() {
+ if (GetDetachOnError())
+ m_launch_info.GetFlags().Set(lldb::eLaunchFlagDetachOnError);
+ else
+ m_launch_info.GetFlags().Clear(lldb::eLaunchFlagDetachOnError);
+}
+
+void TargetProperties::DisableASLRValueChangedCallback() {
+ if (GetDisableASLR())
+ m_launch_info.GetFlags().Set(lldb::eLaunchFlagDisableASLR);
+ else
+ m_launch_info.GetFlags().Clear(lldb::eLaunchFlagDisableASLR);
+}
+
+void TargetProperties::DisableSTDIOValueChangedCallback() {
+ if (GetDisableSTDIO())
+ m_launch_info.GetFlags().Set(lldb::eLaunchFlagDisableSTDIO);
+ else
+ m_launch_info.GetFlags().Clear(lldb::eLaunchFlagDisableSTDIO);
+}
+
+// Target::TargetEventData
+
+Target::TargetEventData::TargetEventData(const lldb::TargetSP &target_sp)
+ : EventData(), m_target_sp(target_sp), m_module_list() {}
+
+Target::TargetEventData::TargetEventData(const lldb::TargetSP &target_sp,
+ const ModuleList &module_list)
+ : EventData(), m_target_sp(target_sp), m_module_list(module_list) {}
+
+Target::TargetEventData::~TargetEventData() = default;
+
+ConstString Target::TargetEventData::GetFlavorString() {
+ static ConstString g_flavor("Target::TargetEventData");
+ return g_flavor;
+}
+
+void Target::TargetEventData::Dump(Stream *s) const {
+ for (size_t i = 0; i < m_module_list.GetSize(); ++i) {
+ if (i != 0)
+ *s << ", ";
+ m_module_list.GetModuleAtIndex(i)->GetDescription(
+ s->AsRawOstream(), lldb::eDescriptionLevelBrief);
+ }
+}
+
+const Target::TargetEventData *
+Target::TargetEventData::GetEventDataFromEvent(const Event *event_ptr) {
+ if (event_ptr) {
+ const EventData *event_data = event_ptr->GetData();
+ if (event_data &&
+ event_data->GetFlavor() == TargetEventData::GetFlavorString())
+ return static_cast<const TargetEventData *>(event_ptr->GetData());
+ }
+ return nullptr;
+}
+
+TargetSP Target::TargetEventData::GetTargetFromEvent(const Event *event_ptr) {
+ TargetSP target_sp;
+ const TargetEventData *event_data = GetEventDataFromEvent(event_ptr);
+ if (event_data)
+ target_sp = event_data->m_target_sp;
+ return target_sp;
+}
+
+ModuleList
+Target::TargetEventData::GetModuleListFromEvent(const Event *event_ptr) {
+ ModuleList module_list;
+ const TargetEventData *event_data = GetEventDataFromEvent(event_ptr);
+ if (event_data)
+ module_list = event_data->m_module_list;
+ return module_list;
+}
+
+std::recursive_mutex &Target::GetAPIMutex() {
+ if (GetProcessSP() && GetProcessSP()->CurrentThreadIsPrivateStateThread())
+ return m_private_mutex;
+ else
+ return m_mutex;
+}