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109 lines
3.8 KiB
109 lines
3.8 KiB
//===-- DynamicLoaderMacOS.h -------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// This is the DynamicLoader plugin for Darwin (macOS / iPhoneOS / tvOS /
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// watchOS / BridgeOS)
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// platforms late 2016 and newer, where lldb will call dyld SPI functions to get
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// information about shared libraries, information about the shared cache, and
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// the _dyld_debugger_notification function we put a breakpoint on give us an
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// array of load addresses for solibs loaded and unloaded. The SPI will tell us
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// about both dyld and the executable, in addition to all of the usual solibs.
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#ifndef LLDB_SOURCE_PLUGINS_DYNAMICLOADER_MACOSX_DYLD_DYNAMICLOADERMACOS_H
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#define LLDB_SOURCE_PLUGINS_DYNAMICLOADER_MACOSX_DYLD_DYNAMICLOADERMACOS_H
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#include <mutex>
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#include <vector>
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#include "lldb/Target/DynamicLoader.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Utility/FileSpec.h"
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#include "lldb/Utility/StructuredData.h"
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#include "lldb/Utility/UUID.h"
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#include "DynamicLoaderDarwin.h"
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class DynamicLoaderMacOS : public lldb_private::DynamicLoaderDarwin {
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public:
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DynamicLoaderMacOS(lldb_private::Process *process);
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~DynamicLoaderMacOS() override;
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// Static Functions
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static void Initialize();
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static void Terminate();
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static lldb_private::ConstString GetPluginNameStatic();
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static const char *GetPluginDescriptionStatic();
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static lldb_private::DynamicLoader *
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CreateInstance(lldb_private::Process *process, bool force);
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/// Called after attaching a process.
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///
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/// Allow DynamicLoader plug-ins to execute some code after
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/// attaching to a process.
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bool ProcessDidExec() override;
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lldb_private::Status CanLoadImage() override;
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bool GetSharedCacheInformation(
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lldb::addr_t &base_address, lldb_private::UUID &uuid,
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lldb_private::LazyBool &using_shared_cache,
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lldb_private::LazyBool &private_shared_cache) override;
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// PluginInterface protocol
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lldb_private::ConstString GetPluginName() override;
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uint32_t GetPluginVersion() override;
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protected:
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void PutToLog(lldb_private::Log *log) const;
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void DoInitialImageFetch() override;
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bool NeedToDoInitialImageFetch() override;
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bool DidSetNotificationBreakpoint() override;
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void AddBinaries(const std::vector<lldb::addr_t> &load_addresses);
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void DoClear() override;
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static bool
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NotifyBreakpointHit(void *baton,
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lldb_private::StoppointCallbackContext *context,
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lldb::user_id_t break_id, lldb::user_id_t break_loc_id);
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bool SetNotificationBreakpoint() override;
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void ClearNotificationBreakpoint() override;
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void UpdateImageInfosHeaderAndLoadCommands(ImageInfo::collection &image_infos,
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uint32_t infos_count,
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bool update_executable);
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lldb::addr_t
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GetDyldLockVariableAddressFromModule(lldb_private::Module *module);
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uint32_t m_image_infos_stop_id; // The Stop ID the last time we
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// loaded/unloaded images
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lldb::user_id_t m_break_id;
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mutable std::recursive_mutex m_mutex;
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lldb::addr_t m_maybe_image_infos_address; // If dyld is still maintaining the
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// all_image_infos address, store it
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// here so we can use it to detect
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// exec's when talking to
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// debugservers that don't support
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// the "reason:exec" annotation.
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};
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#endif // LLDB_SOURCE_PLUGINS_DYNAMICLOADER_MACOSX_DYLD_DYNAMICLOADERMACOS_H
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