705b180964
lldb support. I'll be doing more testing & cleanup but I wanted to get the initial checkin done. This adds a new SBExpressionOptions::SetLanguage API for selecting a language of an expression. I added adds a new SBThread::GetInfoItemByPathString for retriving information about a thread from that thread's StructuredData. I added a new StructuredData class for representing key-value/array/dictionary information (e.g. JSON formatted data). Helper functions to read JSON and create a StructuredData object, and to print a StructuredData object in JSON format are included. A few Cocoa / Cocoa Touch data formatters were updated by Enrico to track changes in iOS 8 / Yosemite. Before we query a thread's extended information, the system runtime may provide hints to the remote debug stub that it will use to retrieve values out of runtime structures. I added a new SystemRuntime method AddThreadExtendedInfoPacketHints which allows the SystemRuntime to add key-value type data to the initial request that we send to the remote stub. The thread-format formatter string can now retrieve values out of a thread's extended info structured data. The default thread-format string picks up two of these - thread.info.activity.name and thread.info.trace_messages. I added a new "jThreadExtendedInfo" packet in debugserver; I will add documentation to the lldb-gdb-remote.txt doc soon. It accepts JSON formatted arguments (most importantly, "thread":threadnum) and it returns a variety of information regarding the thread to lldb in JSON format. This JSON return is scanned into a StructuredData object that is associated with the thread; UI layers can query the thread's StructuredData to see if key-values are present, and if so, show them to the user. These key-values are likely to be specific to different targets with some commonality among many targets. For instance, many targets will be able to advertise the pthread_t value for a thread. I added an initial rough cut of "thread info" command which will print the information about a thread from the jThreadExtendedInfo result. I need to do more work to make this format reasonably. Han Ming added calls into the pmenergy and pmsample libraries if debugserver is run on Mac OS X Yosemite to get information about the inferior's power use. I added support to debugserver for gathering the Genealogy information about threads, if it exists, and returning it in the jThreadExtendedInfo JSON result. llvm-svn: 210874
88 lines
4.0 KiB
C++
88 lines
4.0 KiB
C++
//===-- MachThreadList.h ----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Created by Greg Clayton on 6/19/07.
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//
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//===----------------------------------------------------------------------===//
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#ifndef __MachThreadList_h__
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#define __MachThreadList_h__
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#include "MachThread.h"
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#include "ThreadInfo.h"
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class DNBThreadResumeActions;
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class MachThreadList
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{
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public:
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MachThreadList ();
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~MachThreadList ();
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void Clear ();
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void Dump () const;
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bool GetRegisterValue (nub_thread_t tid, uint32_t reg_set_idx, uint32_t reg_idx, DNBRegisterValue *reg_value) const;
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bool SetRegisterValue (nub_thread_t tid, uint32_t reg_set_idx, uint32_t reg_idx, const DNBRegisterValue *reg_value) const;
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nub_size_t GetRegisterContext (nub_thread_t tid, void *buf, size_t buf_len);
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nub_size_t SetRegisterContext (nub_thread_t tid, const void *buf, size_t buf_len);
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uint32_t SaveRegisterState (nub_thread_t tid);
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bool RestoreRegisterState (nub_thread_t tid, uint32_t save_id);
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const char * GetThreadInfo (nub_thread_t tid) const;
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void ProcessWillResume (MachProcess *process, const DNBThreadResumeActions &thread_actions);
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uint32_t ProcessDidStop (MachProcess *process);
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bool NotifyException (MachException::Data& exc);
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bool ShouldStop (bool &step_more);
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const char * GetName (nub_thread_t tid);
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nub_state_t GetState (nub_thread_t tid);
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nub_thread_t SetCurrentThread (nub_thread_t tid);
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ThreadInfo::QoS GetRequestedQoS (nub_thread_t tid, nub_addr_t tsd, uint64_t dti_qos_class_index);
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nub_addr_t GetPThreadT (nub_thread_t tid);
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nub_addr_t GetDispatchQueueT (nub_thread_t tid);
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nub_addr_t GetTSDAddressForThread (nub_thread_t tid, uint64_t plo_pthread_tsd_base_address_offset, uint64_t plo_pthread_tsd_base_offset, uint64_t plo_pthread_tsd_entry_size);
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bool GetThreadStoppedReason (nub_thread_t tid, struct DNBThreadStopInfo *stop_info) const;
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void DumpThreadStoppedReason (nub_thread_t tid) const;
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bool GetIdentifierInfo (nub_thread_t tid, thread_identifier_info_data_t *ident_info);
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nub_size_t NumThreads () const;
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nub_thread_t ThreadIDAtIndex (nub_size_t idx) const;
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nub_thread_t CurrentThreadID ();
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void CurrentThread (MachThreadSP& threadSP);
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void NotifyBreakpointChanged (const DNBBreakpoint *bp);
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uint32_t EnableHardwareBreakpoint (const DNBBreakpoint *bp) const;
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bool DisableHardwareBreakpoint (const DNBBreakpoint *bp) const;
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uint32_t EnableHardwareWatchpoint (const DNBBreakpoint *wp) const;
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bool DisableHardwareWatchpoint (const DNBBreakpoint *wp) const;
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uint32_t NumSupportedHardwareWatchpoints () const;
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uint32_t GetThreadIndexForThreadStoppedWithSignal (const int signo) const;
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MachThreadSP GetThreadByID (nub_thread_t tid) const;
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MachThreadSP GetThreadByMachPortNumber (thread_t mach_port_number) const;
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nub_thread_t GetThreadIDByMachPortNumber (thread_t mach_port_number) const;
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thread_t GetMachPortNumberByThreadID (nub_thread_t globally_unique_id) const;
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protected:
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typedef std::vector<MachThreadSP> collection;
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typedef collection::iterator iterator;
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typedef collection::const_iterator const_iterator;
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uint32_t UpdateThreadList (MachProcess *process, bool update, collection *num_threads = NULL);
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// const_iterator FindThreadByID (thread_t tid) const;
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collection m_threads;
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mutable PThreadMutex m_threads_mutex;
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MachThreadSP m_current_thread;
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bool m_is_64_bit;
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};
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#endif // #ifndef __MachThreadList_h__
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