forked from OSchip/llvm-project
2269 lines
90 KiB
C++
2269 lines
90 KiB
C++
//===-- CommandObjectThread.cpp ---------------------------------*- 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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#include "CommandObjectThread.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/lldb-private.h"
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#include "lldb/Core/State.h"
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#include "lldb/Core/SourceManager.h"
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#include "lldb/Core/ValueObject.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Host/StringConvert.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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#include "lldb/Interpreter/Options.h"
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#include "lldb/Symbol/CompileUnit.h"
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#include "lldb/Symbol/Function.h"
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#include "lldb/Symbol/LineTable.h"
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#include "lldb/Symbol/LineEntry.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/RegisterContext.h"
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#include "lldb/Target/SystemRuntime.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/Thread.h"
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#include "lldb/Target/ThreadPlan.h"
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#include "lldb/Target/ThreadPlanStepInstruction.h"
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#include "lldb/Target/ThreadPlanStepOut.h"
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#include "lldb/Target/ThreadPlanStepRange.h"
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#include "lldb/Target/ThreadPlanStepInRange.h"
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using namespace lldb;
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using namespace lldb_private;
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//-------------------------------------------------------------------------
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// CommandObjectThreadBacktrace
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//-------------------------------------------------------------------------
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class CommandObjectIterateOverThreads : public CommandObjectParsed
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{
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public:
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CommandObjectIterateOverThreads (CommandInterpreter &interpreter,
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const char *name,
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const char *help,
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const char *syntax,
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uint32_t flags) :
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CommandObjectParsed (interpreter, name, help, syntax, flags)
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{
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}
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~CommandObjectIterateOverThreads() override = default;
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bool
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DoExecute (Args& command, CommandReturnObject &result) override
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{
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result.SetStatus (m_success_return);
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if (command.GetArgumentCount() == 0)
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{
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Thread *thread = m_exe_ctx.GetThreadPtr();
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if (!HandleOneThread (thread->GetID(), result))
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return false;
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return result.Succeeded();
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}
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// Use tids instead of ThreadSPs to prevent deadlocking problems which result from JIT-ing
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// code while iterating over the (locked) ThreadSP list.
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std::vector<lldb::tid_t> tids;
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if (command.GetArgumentCount() == 1 && ::strcmp (command.GetArgumentAtIndex(0), "all") == 0)
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{
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Process *process = m_exe_ctx.GetProcessPtr();
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for (ThreadSP thread_sp : process->Threads())
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tids.push_back(thread_sp->GetID());
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}
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else
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{
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const size_t num_args = command.GetArgumentCount();
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Process *process = m_exe_ctx.GetProcessPtr();
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Mutex::Locker locker (process->GetThreadList().GetMutex());
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for (size_t i = 0; i < num_args; i++)
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{
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bool success;
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uint32_t thread_idx = StringConvert::ToUInt32(command.GetArgumentAtIndex(i), 0, 0, &success);
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if (!success)
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{
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result.AppendErrorWithFormat ("invalid thread specification: \"%s\"\n", command.GetArgumentAtIndex(i));
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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ThreadSP thread = process->GetThreadList().FindThreadByIndexID(thread_idx);
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if (!thread)
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{
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result.AppendErrorWithFormat ("no thread with index: \"%s\"\n", command.GetArgumentAtIndex(i));
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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tids.push_back(thread->GetID());
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}
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}
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uint32_t idx = 0;
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for (const lldb::tid_t &tid : tids)
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{
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if (idx != 0 && m_add_return)
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result.AppendMessage("");
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if (!HandleOneThread (tid, result))
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return false;
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++idx;
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}
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return result.Succeeded();
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}
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protected:
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// Override this to do whatever you need to do for one thread.
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//
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// If you return false, the iteration will stop, otherwise it will proceed.
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// The result is set to m_success_return (defaults to eReturnStatusSuccessFinishResult) before the iteration,
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// so you only need to set the return status in HandleOneThread if you want to indicate an error.
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// If m_add_return is true, a blank line will be inserted between each of the listings (except the last one.)
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virtual bool
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HandleOneThread (lldb::tid_t, CommandReturnObject &result) = 0;
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ReturnStatus m_success_return = eReturnStatusSuccessFinishResult;
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bool m_add_return = true;
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};
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//-------------------------------------------------------------------------
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// CommandObjectThreadBacktrace
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//-------------------------------------------------------------------------
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class CommandObjectThreadBacktrace : public CommandObjectIterateOverThreads
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{
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public:
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class CommandOptions : public Options
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{
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public:
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CommandOptions (CommandInterpreter &interpreter) :
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Options(interpreter)
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{
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// Keep default values of all options in one place: OptionParsingStarting ()
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OptionParsingStarting ();
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}
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~CommandOptions() override = default;
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Error
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SetOptionValue (uint32_t option_idx, const char *option_arg) override
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{
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Error error;
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const int short_option = m_getopt_table[option_idx].val;
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switch (short_option)
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{
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case 'c':
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{
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bool success;
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int32_t input_count = StringConvert::ToSInt32 (option_arg, -1, 0, &success);
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if (!success)
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error.SetErrorStringWithFormat("invalid integer value for option '%c'", short_option);
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if (input_count < -1)
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m_count = UINT32_MAX;
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else
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m_count = input_count;
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}
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break;
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case 's':
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{
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bool success;
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m_start = StringConvert::ToUInt32 (option_arg, 0, 0, &success);
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if (!success)
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error.SetErrorStringWithFormat("invalid integer value for option '%c'", short_option);
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}
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break;
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case 'e':
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{
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bool success;
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m_extended_backtrace = Args::StringToBoolean (option_arg, false, &success);
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if (!success)
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error.SetErrorStringWithFormat("invalid boolean value for option '%c'", short_option);
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}
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break;
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default:
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error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
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break;
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}
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return error;
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}
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void
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OptionParsingStarting () override
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{
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m_count = UINT32_MAX;
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m_start = 0;
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m_extended_backtrace = false;
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}
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const OptionDefinition*
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GetDefinitions () override
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{
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return g_option_table;
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}
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// Options table: Required for subclasses of Options.
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static OptionDefinition g_option_table[];
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// Instance variables to hold the values for command options.
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uint32_t m_count;
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uint32_t m_start;
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bool m_extended_backtrace;
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};
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CommandObjectThreadBacktrace (CommandInterpreter &interpreter) :
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CommandObjectIterateOverThreads(interpreter,
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"thread backtrace",
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"Show the stack for one or more threads. If no threads are specified, show the currently selected thread. Use the thread-index \"all\" to see all threads.",
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nullptr,
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eCommandRequiresProcess |
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eCommandRequiresThread |
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eCommandTryTargetAPILock |
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eCommandProcessMustBeLaunched |
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eCommandProcessMustBePaused ),
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m_options(interpreter)
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{
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}
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~CommandObjectThreadBacktrace() override = default;
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Options *
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GetOptions () override
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{
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return &m_options;
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}
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protected:
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void
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DoExtendedBacktrace (Thread *thread, CommandReturnObject &result)
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{
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SystemRuntime *runtime = thread->GetProcess()->GetSystemRuntime();
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if (runtime)
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{
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Stream &strm = result.GetOutputStream();
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const std::vector<ConstString> &types = runtime->GetExtendedBacktraceTypes();
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for (auto type : types)
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{
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ThreadSP ext_thread_sp = runtime->GetExtendedBacktraceThread (thread->shared_from_this(), type);
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if (ext_thread_sp && ext_thread_sp->IsValid ())
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{
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const uint32_t num_frames_with_source = 0;
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if (ext_thread_sp->GetStatus (strm,
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m_options.m_start,
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m_options.m_count,
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num_frames_with_source))
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{
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DoExtendedBacktrace (ext_thread_sp.get(), result);
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}
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}
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}
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}
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}
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bool
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HandleOneThread (lldb::tid_t tid, CommandReturnObject &result) override
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{
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ThreadSP thread_sp = m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid);
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if (!thread_sp)
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{
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result.AppendErrorWithFormat ("thread disappeared while computing backtraces: 0x%" PRIx64 "\n", tid);
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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Thread *thread = thread_sp.get();
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Stream &strm = result.GetOutputStream();
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// Don't show source context when doing backtraces.
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const uint32_t num_frames_with_source = 0;
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if (!thread->GetStatus (strm,
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m_options.m_start,
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m_options.m_count,
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num_frames_with_source))
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{
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result.AppendErrorWithFormat ("error displaying backtrace for thread: \"0x%4.4x\"\n", thread->GetIndexID());
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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if (m_options.m_extended_backtrace)
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{
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DoExtendedBacktrace (thread, result);
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}
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return true;
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}
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CommandOptions m_options;
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};
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OptionDefinition
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CommandObjectThreadBacktrace::CommandOptions::g_option_table[] =
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{
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{ LLDB_OPT_SET_1, false, "count", 'c', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeCount, "How many frames to display (-1 for all)"},
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{ LLDB_OPT_SET_1, false, "start", 's', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeFrameIndex, "Frame in which to start the backtrace"},
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{ LLDB_OPT_SET_1, false, "extended", 'e', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Show the extended backtrace, if available"},
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{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
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};
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enum StepScope
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{
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eStepScopeSource,
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eStepScopeInstruction
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};
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class CommandObjectThreadStepWithTypeAndScope : public CommandObjectParsed
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{
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public:
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class CommandOptions : public Options
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{
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public:
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CommandOptions (CommandInterpreter &interpreter) :
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Options (interpreter)
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{
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// Keep default values of all options in one place: OptionParsingStarting ()
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OptionParsingStarting ();
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}
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~CommandOptions() override = default;
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Error
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SetOptionValue (uint32_t option_idx, const char *option_arg) override
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{
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Error error;
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const int short_option = m_getopt_table[option_idx].val;
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switch (short_option)
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{
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case 'a':
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{
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bool success;
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bool avoid_no_debug = Args::StringToBoolean (option_arg, true, &success);
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if (!success)
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error.SetErrorStringWithFormat("invalid boolean value for option '%c'", short_option);
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else
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{
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m_step_in_avoid_no_debug = avoid_no_debug ? eLazyBoolYes : eLazyBoolNo;
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}
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}
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break;
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case 'A':
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{
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bool success;
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bool avoid_no_debug = Args::StringToBoolean (option_arg, true, &success);
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if (!success)
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error.SetErrorStringWithFormat("invalid boolean value for option '%c'", short_option);
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else
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{
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m_step_out_avoid_no_debug = avoid_no_debug ? eLazyBoolYes : eLazyBoolNo;
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}
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}
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break;
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case 'c':
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m_step_count = StringConvert::ToUInt32(option_arg, UINT32_MAX, 0);
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if (m_step_count == UINT32_MAX)
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error.SetErrorStringWithFormat ("invalid step count '%s'", option_arg);
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break;
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case 'C':
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m_class_name.clear();
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m_class_name.assign(option_arg);
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break;
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case 'm':
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{
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OptionEnumValueElement *enum_values = g_option_table[option_idx].enum_values;
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m_run_mode = (lldb::RunMode) Args::StringToOptionEnum(option_arg, enum_values, eOnlyDuringStepping, error);
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}
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break;
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case 'e':
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{
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if (strcmp(option_arg, "block") == 0)
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{
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m_end_line_is_block_end = 1;
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break;
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}
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uint32_t tmp_end_line = StringConvert::ToUInt32(option_arg, UINT32_MAX, 0);
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if (tmp_end_line == UINT32_MAX)
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error.SetErrorStringWithFormat ("invalid end line number '%s'", option_arg);
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else
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m_end_line = tmp_end_line;
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break;
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}
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break;
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case 'r':
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m_avoid_regexp.clear();
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m_avoid_regexp.assign(option_arg);
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break;
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case 't':
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m_step_in_target.clear();
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m_step_in_target.assign(option_arg);
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break;
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default:
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error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
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break;
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}
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return error;
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}
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void
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OptionParsingStarting () override
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{
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m_step_in_avoid_no_debug = eLazyBoolCalculate;
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m_step_out_avoid_no_debug = eLazyBoolCalculate;
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m_run_mode = eOnlyDuringStepping;
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// Check if we are in Non-Stop mode
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lldb::TargetSP target_sp = m_interpreter.GetDebugger().GetSelectedTarget();
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if (target_sp && target_sp->GetNonStopModeEnabled())
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m_run_mode = eOnlyThisThread;
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m_avoid_regexp.clear();
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m_step_in_target.clear();
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m_class_name.clear();
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m_step_count = 1;
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m_end_line = LLDB_INVALID_LINE_NUMBER;
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m_end_line_is_block_end = false;
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}
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const OptionDefinition*
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GetDefinitions () override
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{
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return g_option_table;
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}
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// Options table: Required for subclasses of Options.
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static OptionDefinition g_option_table[];
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// Instance variables to hold the values for command options.
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LazyBool m_step_in_avoid_no_debug;
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LazyBool m_step_out_avoid_no_debug;
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RunMode m_run_mode;
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std::string m_avoid_regexp;
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std::string m_step_in_target;
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std::string m_class_name;
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uint32_t m_step_count;
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uint32_t m_end_line;
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bool m_end_line_is_block_end;
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};
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CommandObjectThreadStepWithTypeAndScope (CommandInterpreter &interpreter,
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const char *name,
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const char *help,
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const char *syntax,
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StepType step_type,
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StepScope step_scope) :
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CommandObjectParsed (interpreter, name, help, syntax,
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eCommandRequiresProcess |
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eCommandRequiresThread |
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eCommandTryTargetAPILock |
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eCommandProcessMustBeLaunched |
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eCommandProcessMustBePaused ),
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m_step_type (step_type),
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m_step_scope (step_scope),
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m_options (interpreter)
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{
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CommandArgumentEntry arg;
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CommandArgumentData thread_id_arg;
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// Define the first (and only) variant of this arg.
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thread_id_arg.arg_type = eArgTypeThreadID;
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thread_id_arg.arg_repetition = eArgRepeatOptional;
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// There is only one variant this argument could be; put it into the argument entry.
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arg.push_back (thread_id_arg);
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// Push the data for the first argument into the m_arguments vector.
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m_arguments.push_back (arg);
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}
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~CommandObjectThreadStepWithTypeAndScope() override = default;
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Options *
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GetOptions () override
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{
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return &m_options;
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}
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protected:
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bool
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DoExecute (Args& command, CommandReturnObject &result) override
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{
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Process *process = m_exe_ctx.GetProcessPtr();
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bool synchronous_execution = m_interpreter.GetSynchronous();
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const uint32_t num_threads = process->GetThreadList().GetSize();
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Thread *thread = nullptr;
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if (command.GetArgumentCount() == 0)
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{
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thread = GetDefaultThread();
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if (thread == nullptr)
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{
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result.AppendError ("no selected thread in process");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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}
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else
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{
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const char *thread_idx_cstr = command.GetArgumentAtIndex(0);
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uint32_t step_thread_idx = StringConvert::ToUInt32 (thread_idx_cstr, LLDB_INVALID_INDEX32);
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if (step_thread_idx == LLDB_INVALID_INDEX32)
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{
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result.AppendErrorWithFormat ("invalid thread index '%s'.\n", thread_idx_cstr);
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result.SetStatus (eReturnStatusFailed);
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return false;
|
|
}
|
|
thread = process->GetThreadList().FindThreadByIndexID(step_thread_idx).get();
|
|
if (thread == nullptr)
|
|
{
|
|
result.AppendErrorWithFormat ("Thread index %u is out of range (valid values are 0 - %u).\n",
|
|
step_thread_idx, num_threads);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (m_step_type == eStepTypeScripted)
|
|
{
|
|
if (m_options.m_class_name.empty())
|
|
{
|
|
result.AppendErrorWithFormat ("empty class name for scripted step.");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
else if (!m_interpreter.GetScriptInterpreter()->CheckObjectExists(m_options.m_class_name.c_str()))
|
|
{
|
|
result.AppendErrorWithFormat ("class for scripted step: \"%s\" does not exist.", m_options.m_class_name.c_str());
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (m_options.m_end_line != LLDB_INVALID_LINE_NUMBER
|
|
&& m_step_type != eStepTypeInto)
|
|
{
|
|
result.AppendErrorWithFormat("end line option is only valid for step into");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
const bool abort_other_plans = false;
|
|
const lldb::RunMode stop_other_threads = m_options.m_run_mode;
|
|
|
|
// This is a bit unfortunate, but not all the commands in this command object support
|
|
// only while stepping, so I use the bool for them.
|
|
bool bool_stop_other_threads;
|
|
if (m_options.m_run_mode == eAllThreads)
|
|
bool_stop_other_threads = false;
|
|
else if (m_options.m_run_mode == eOnlyDuringStepping)
|
|
bool_stop_other_threads = (m_step_type != eStepTypeOut && m_step_type != eStepTypeScripted);
|
|
else
|
|
bool_stop_other_threads = true;
|
|
|
|
ThreadPlanSP new_plan_sp;
|
|
|
|
if (m_step_type == eStepTypeInto)
|
|
{
|
|
StackFrame *frame = thread->GetStackFrameAtIndex(0).get();
|
|
assert(frame != nullptr);
|
|
|
|
if (frame->HasDebugInformation ())
|
|
{
|
|
AddressRange range;
|
|
SymbolContext sc = frame->GetSymbolContext(eSymbolContextEverything);
|
|
if (m_options.m_end_line != LLDB_INVALID_LINE_NUMBER)
|
|
{
|
|
Error error;
|
|
if (!sc.GetAddressRangeFromHereToEndLine(m_options.m_end_line, range, error))
|
|
{
|
|
result.AppendErrorWithFormat("invalid end-line option: %s.", error.AsCString());
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
}
|
|
else if (m_options.m_end_line_is_block_end)
|
|
{
|
|
Error error;
|
|
Block *block = frame->GetSymbolContext(eSymbolContextBlock).block;
|
|
if (!block)
|
|
{
|
|
result.AppendErrorWithFormat("Could not find the current block.");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
AddressRange block_range;
|
|
Address pc_address = frame->GetFrameCodeAddress();
|
|
block->GetRangeContainingAddress(pc_address, block_range);
|
|
if (!block_range.GetBaseAddress().IsValid())
|
|
{
|
|
result.AppendErrorWithFormat("Could not find the current block address.");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
lldb::addr_t pc_offset_in_block = pc_address.GetFileAddress() - block_range.GetBaseAddress().GetFileAddress();
|
|
lldb::addr_t range_length = block_range.GetByteSize() - pc_offset_in_block;
|
|
range = AddressRange(pc_address, range_length);
|
|
}
|
|
else
|
|
{
|
|
range = sc.line_entry.range;
|
|
}
|
|
|
|
new_plan_sp = thread->QueueThreadPlanForStepInRange (abort_other_plans,
|
|
range,
|
|
frame->GetSymbolContext(eSymbolContextEverything),
|
|
m_options.m_step_in_target.c_str(),
|
|
stop_other_threads,
|
|
m_options.m_step_in_avoid_no_debug,
|
|
m_options.m_step_out_avoid_no_debug);
|
|
|
|
if (new_plan_sp && !m_options.m_avoid_regexp.empty())
|
|
{
|
|
ThreadPlanStepInRange *step_in_range_plan = static_cast<ThreadPlanStepInRange *> (new_plan_sp.get());
|
|
step_in_range_plan->SetAvoidRegexp(m_options.m_avoid_regexp.c_str());
|
|
}
|
|
}
|
|
else
|
|
new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (false, abort_other_plans, bool_stop_other_threads);
|
|
}
|
|
else if (m_step_type == eStepTypeOver)
|
|
{
|
|
StackFrame *frame = thread->GetStackFrameAtIndex(0).get();
|
|
|
|
if (frame->HasDebugInformation())
|
|
new_plan_sp = thread->QueueThreadPlanForStepOverRange (abort_other_plans,
|
|
frame->GetSymbolContext(eSymbolContextEverything).line_entry,
|
|
frame->GetSymbolContext(eSymbolContextEverything),
|
|
stop_other_threads,
|
|
m_options.m_step_out_avoid_no_debug);
|
|
else
|
|
new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (true,
|
|
abort_other_plans,
|
|
bool_stop_other_threads);
|
|
}
|
|
else if (m_step_type == eStepTypeTrace)
|
|
{
|
|
new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (false, abort_other_plans, bool_stop_other_threads);
|
|
}
|
|
else if (m_step_type == eStepTypeTraceOver)
|
|
{
|
|
new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (true, abort_other_plans, bool_stop_other_threads);
|
|
}
|
|
else if (m_step_type == eStepTypeOut)
|
|
{
|
|
new_plan_sp = thread->QueueThreadPlanForStepOut(abort_other_plans,
|
|
nullptr,
|
|
false,
|
|
bool_stop_other_threads,
|
|
eVoteYes,
|
|
eVoteNoOpinion,
|
|
thread->GetSelectedFrameIndex(),
|
|
m_options.m_step_out_avoid_no_debug);
|
|
}
|
|
else if (m_step_type == eStepTypeScripted)
|
|
{
|
|
new_plan_sp = thread->QueueThreadPlanForStepScripted (abort_other_plans,
|
|
m_options.m_class_name.c_str(),
|
|
bool_stop_other_threads);
|
|
}
|
|
else
|
|
{
|
|
result.AppendError ("step type is not supported");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
// If we got a new plan, then set it to be a master plan (User level Plans should be master plans
|
|
// so that they can be interruptible). Then resume the process.
|
|
|
|
if (new_plan_sp)
|
|
{
|
|
new_plan_sp->SetIsMasterPlan (true);
|
|
new_plan_sp->SetOkayToDiscard (false);
|
|
|
|
if (m_options.m_step_count > 1)
|
|
{
|
|
if (new_plan_sp->SetIterationCount(m_options.m_step_count))
|
|
{
|
|
result.AppendWarning ("step operation does not support iteration count.");
|
|
}
|
|
}
|
|
|
|
process->GetThreadList().SetSelectedThreadByID (thread->GetID());
|
|
|
|
const uint32_t iohandler_id = process->GetIOHandlerID();
|
|
|
|
StreamString stream;
|
|
Error error;
|
|
if (synchronous_execution)
|
|
error = process->ResumeSynchronous (&stream);
|
|
else
|
|
error = process->Resume ();
|
|
|
|
// There is a race condition where this thread will return up the call stack to the main command handler
|
|
// and show an (lldb) prompt before HandlePrivateEvent (from PrivateStateThread) has
|
|
// a chance to call PushProcessIOHandler().
|
|
process->SyncIOHandler(iohandler_id, 2000);
|
|
|
|
if (synchronous_execution)
|
|
{
|
|
// If any state changed events had anything to say, add that to the result
|
|
if (stream.GetData())
|
|
result.AppendMessage(stream.GetData());
|
|
|
|
process->GetThreadList().SetSelectedThreadByID (thread->GetID());
|
|
result.SetDidChangeProcessState (true);
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
else
|
|
{
|
|
result.SetStatus (eReturnStatusSuccessContinuingNoResult);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendError ("Couldn't find thread plan to implement step type.");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
|
|
protected:
|
|
StepType m_step_type;
|
|
StepScope m_step_scope;
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
static OptionEnumValueElement
|
|
g_tri_running_mode[] =
|
|
{
|
|
{ eOnlyThisThread, "this-thread", "Run only this thread"},
|
|
{ eAllThreads, "all-threads", "Run all threads"},
|
|
{ eOnlyDuringStepping, "while-stepping", "Run only this thread while stepping"},
|
|
{ 0, nullptr, nullptr }
|
|
};
|
|
|
|
static OptionEnumValueElement
|
|
g_duo_running_mode[] =
|
|
{
|
|
{ eOnlyThisThread, "this-thread", "Run only this thread"},
|
|
{ eAllThreads, "all-threads", "Run all threads"},
|
|
{ 0, nullptr, nullptr }
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectThreadStepWithTypeAndScope::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_1, false, "step-in-avoids-no-debug", 'a', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "A boolean value that sets whether stepping into functions will step over functions with no debug information."},
|
|
{ LLDB_OPT_SET_1, false, "step-out-avoids-no-debug", 'A', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "A boolean value, if true stepping out of functions will continue to step out till it hits a function with debug information."},
|
|
{ LLDB_OPT_SET_1, false, "count", 'c', OptionParser::eRequiredArgument, nullptr, nullptr, 1, eArgTypeCount, "How many times to perform the stepping operation - currently only supported for step-inst and next-inst."},
|
|
{ LLDB_OPT_SET_1, false, "end-linenumber", 'e', OptionParser::eRequiredArgument, nullptr, nullptr, 1, eArgTypeLineNum, "The line at which to stop stepping - defaults to the next line and only supported for step-in and step-over."
|
|
" You can also pass the string 'block' to step to the end of the current block."
|
|
" This is particularly useful in conjunction with --step-target to step through a complex calling sequence."},
|
|
{ LLDB_OPT_SET_1, false, "run-mode", 'm', OptionParser::eRequiredArgument, nullptr, g_tri_running_mode, 0, eArgTypeRunMode, "Determine how to run other threads while stepping the current thread."},
|
|
{ LLDB_OPT_SET_1, false, "step-over-regexp", 'r', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeRegularExpression, "A regular expression that defines function names to not to stop at when stepping in."},
|
|
{ LLDB_OPT_SET_1, false, "step-in-target", 't', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeFunctionName, "The name of the directly called function step in should stop at when stepping into."},
|
|
{ LLDB_OPT_SET_2, false, "python-class", 'C', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypePythonClass, "The name of the class that will manage this step - only supported for Scripted Step."},
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectThreadContinue
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectThreadContinue : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectThreadContinue (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed(interpreter,
|
|
"thread continue",
|
|
"Continue execution of one or more threads in an active process.",
|
|
nullptr,
|
|
eCommandRequiresThread |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused)
|
|
{
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData thread_idx_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
thread_idx_arg.arg_type = eArgTypeThreadIndex;
|
|
thread_idx_arg.arg_repetition = eArgRepeatPlus;
|
|
|
|
// There is only one variant this argument could be; put it into the argument entry.
|
|
arg.push_back (thread_idx_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back (arg);
|
|
}
|
|
|
|
~CommandObjectThreadContinue() override = default;
|
|
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
bool synchronous_execution = m_interpreter.GetSynchronous ();
|
|
|
|
if (!m_interpreter.GetDebugger().GetSelectedTarget())
|
|
{
|
|
result.AppendError ("invalid target, create a debug target using the 'target create' command");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
if (process == nullptr)
|
|
{
|
|
result.AppendError ("no process exists. Cannot continue");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
StateType state = process->GetState();
|
|
if ((state == eStateCrashed) || (state == eStateStopped) || (state == eStateSuspended))
|
|
{
|
|
const size_t argc = command.GetArgumentCount();
|
|
if (argc > 0)
|
|
{
|
|
// These two lines appear at the beginning of both blocks in
|
|
// this if..else, but that is because we need to release the
|
|
// lock before calling process->Resume below.
|
|
Mutex::Locker locker (process->GetThreadList().GetMutex());
|
|
const uint32_t num_threads = process->GetThreadList().GetSize();
|
|
std::vector<Thread *> resume_threads;
|
|
for (uint32_t i = 0; i < argc; ++i)
|
|
{
|
|
bool success;
|
|
const int base = 0;
|
|
uint32_t thread_idx = StringConvert::ToUInt32 (command.GetArgumentAtIndex(i), LLDB_INVALID_INDEX32, base, &success);
|
|
if (success)
|
|
{
|
|
Thread *thread = process->GetThreadList().FindThreadByIndexID(thread_idx).get();
|
|
|
|
if (thread)
|
|
{
|
|
resume_threads.push_back(thread);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat("invalid thread index %u.\n", thread_idx);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("invalid thread index argument: \"%s\".\n", command.GetArgumentAtIndex(i));
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (resume_threads.empty())
|
|
{
|
|
result.AppendError ("no valid thread indexes were specified");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
if (resume_threads.size() == 1)
|
|
result.AppendMessageWithFormat ("Resuming thread: ");
|
|
else
|
|
result.AppendMessageWithFormat ("Resuming threads: ");
|
|
|
|
for (uint32_t idx = 0; idx < num_threads; ++idx)
|
|
{
|
|
Thread *thread = process->GetThreadList().GetThreadAtIndex(idx).get();
|
|
std::vector<Thread *>::iterator this_thread_pos = find(resume_threads.begin(), resume_threads.end(), thread);
|
|
|
|
if (this_thread_pos != resume_threads.end())
|
|
{
|
|
resume_threads.erase(this_thread_pos);
|
|
if (!resume_threads.empty())
|
|
result.AppendMessageWithFormat ("%u, ", thread->GetIndexID());
|
|
else
|
|
result.AppendMessageWithFormat ("%u ", thread->GetIndexID());
|
|
|
|
const bool override_suspend = true;
|
|
thread->SetResumeState (eStateRunning, override_suspend);
|
|
}
|
|
else
|
|
{
|
|
thread->SetResumeState (eStateSuspended);
|
|
}
|
|
}
|
|
result.AppendMessageWithFormat ("in process %" PRIu64 "\n", process->GetID());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// These two lines appear at the beginning of both blocks in
|
|
// this if..else, but that is because we need to release the
|
|
// lock before calling process->Resume below.
|
|
Mutex::Locker locker (process->GetThreadList().GetMutex());
|
|
const uint32_t num_threads = process->GetThreadList().GetSize();
|
|
Thread *current_thread = GetDefaultThread();
|
|
if (current_thread == nullptr)
|
|
{
|
|
result.AppendError ("the process doesn't have a current thread");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
// Set the actions that the threads should each take when resuming
|
|
for (uint32_t idx = 0; idx < num_threads; ++idx)
|
|
{
|
|
Thread *thread = process->GetThreadList().GetThreadAtIndex(idx).get();
|
|
if (thread == current_thread)
|
|
{
|
|
result.AppendMessageWithFormat ("Resuming thread 0x%4.4" PRIx64 " in process %" PRIu64 "\n", thread->GetID(), process->GetID());
|
|
const bool override_suspend = true;
|
|
thread->SetResumeState (eStateRunning, override_suspend);
|
|
}
|
|
else
|
|
{
|
|
thread->SetResumeState (eStateSuspended);
|
|
}
|
|
}
|
|
}
|
|
|
|
StreamString stream;
|
|
Error error;
|
|
if (synchronous_execution)
|
|
error = process->ResumeSynchronous (&stream);
|
|
else
|
|
error = process->Resume ();
|
|
|
|
// We should not be holding the thread list lock when we do this.
|
|
if (error.Success())
|
|
{
|
|
result.AppendMessageWithFormat ("Process %" PRIu64 " resuming\n", process->GetID());
|
|
if (synchronous_execution)
|
|
{
|
|
// If any state changed events had anything to say, add that to the result
|
|
if (stream.GetData())
|
|
result.AppendMessage(stream.GetData());
|
|
|
|
result.SetDidChangeProcessState (true);
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
else
|
|
{
|
|
result.SetStatus (eReturnStatusSuccessContinuingNoResult);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat("Failed to resume process: %s\n", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Process cannot be continued from its current state (%s).\n",
|
|
StateAsCString(state));
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectThreadUntil
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectThreadUntil : public CommandObjectParsed
|
|
{
|
|
public:
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
uint32_t m_thread_idx;
|
|
uint32_t m_frame_idx;
|
|
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options (interpreter),
|
|
m_thread_idx(LLDB_INVALID_THREAD_ID),
|
|
m_frame_idx(LLDB_INVALID_FRAME_ID)
|
|
{
|
|
// Keep default values of all options in one place: OptionParsingStarting ()
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions() override = default;
|
|
|
|
Error
|
|
SetOptionValue (uint32_t option_idx, const char *option_arg) override
|
|
{
|
|
Error error;
|
|
const int short_option = m_getopt_table[option_idx].val;
|
|
|
|
switch (short_option)
|
|
{
|
|
case 'a':
|
|
{
|
|
ExecutionContext exe_ctx (m_interpreter.GetExecutionContext());
|
|
lldb::addr_t tmp_addr = Args::StringToAddress(&exe_ctx, option_arg, LLDB_INVALID_ADDRESS, &error);
|
|
if (error.Success())
|
|
m_until_addrs.push_back(tmp_addr);
|
|
}
|
|
break;
|
|
case 't':
|
|
m_thread_idx = StringConvert::ToUInt32 (option_arg, LLDB_INVALID_INDEX32);
|
|
if (m_thread_idx == LLDB_INVALID_INDEX32)
|
|
{
|
|
error.SetErrorStringWithFormat ("invalid thread index '%s'", option_arg);
|
|
}
|
|
break;
|
|
case 'f':
|
|
m_frame_idx = StringConvert::ToUInt32 (option_arg, LLDB_INVALID_FRAME_ID);
|
|
if (m_frame_idx == LLDB_INVALID_FRAME_ID)
|
|
{
|
|
error.SetErrorStringWithFormat ("invalid frame index '%s'", option_arg);
|
|
}
|
|
break;
|
|
case 'm':
|
|
{
|
|
OptionEnumValueElement *enum_values = g_option_table[option_idx].enum_values;
|
|
lldb::RunMode run_mode = (lldb::RunMode) Args::StringToOptionEnum(option_arg, enum_values, eOnlyDuringStepping, error);
|
|
|
|
if (error.Success())
|
|
{
|
|
if (run_mode == eAllThreads)
|
|
m_stop_others = false;
|
|
else
|
|
m_stop_others = true;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
m_thread_idx = LLDB_INVALID_THREAD_ID;
|
|
m_frame_idx = 0;
|
|
m_stop_others = false;
|
|
m_until_addrs.clear();
|
|
}
|
|
|
|
const OptionDefinition*
|
|
GetDefinitions () override
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
uint32_t m_step_thread_idx;
|
|
bool m_stop_others;
|
|
std::vector<lldb::addr_t> m_until_addrs;
|
|
|
|
// Options table: Required for subclasses of Options.
|
|
|
|
static OptionDefinition g_option_table[];
|
|
|
|
// Instance variables to hold the values for command options.
|
|
};
|
|
|
|
CommandObjectThreadUntil (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed(interpreter,
|
|
"thread until",
|
|
"Run the current or specified thread until it reaches a given line number or address or leaves the current function.",
|
|
nullptr,
|
|
eCommandRequiresThread |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused ),
|
|
m_options (interpreter)
|
|
{
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData line_num_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
line_num_arg.arg_type = eArgTypeLineNum;
|
|
line_num_arg.arg_repetition = eArgRepeatPlain;
|
|
|
|
// There is only one variant this argument could be; put it into the argument entry.
|
|
arg.push_back (line_num_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back (arg);
|
|
}
|
|
|
|
~CommandObjectThreadUntil() override = default;
|
|
|
|
Options *
|
|
GetOptions () override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
bool synchronous_execution = m_interpreter.GetSynchronous ();
|
|
|
|
Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
|
|
if (target == nullptr)
|
|
{
|
|
result.AppendError ("invalid target, create a debug target using the 'target create' command");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
if (process == nullptr)
|
|
{
|
|
result.AppendError ("need a valid process to step");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
else
|
|
{
|
|
Thread *thread = nullptr;
|
|
std::vector<uint32_t> line_numbers;
|
|
|
|
if (command.GetArgumentCount() >= 1)
|
|
{
|
|
size_t num_args = command.GetArgumentCount();
|
|
for (size_t i = 0; i < num_args; i++)
|
|
{
|
|
uint32_t line_number;
|
|
line_number = StringConvert::ToUInt32 (command.GetArgumentAtIndex(0), UINT32_MAX);
|
|
if (line_number == UINT32_MAX)
|
|
{
|
|
result.AppendErrorWithFormat ("invalid line number: '%s'.\n", command.GetArgumentAtIndex(0));
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
else
|
|
line_numbers.push_back(line_number);
|
|
}
|
|
}
|
|
else if (m_options.m_until_addrs.empty())
|
|
{
|
|
result.AppendErrorWithFormat ("No line number or address provided:\n%s", GetSyntax());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (m_options.m_thread_idx == LLDB_INVALID_THREAD_ID)
|
|
{
|
|
thread = GetDefaultThread();
|
|
}
|
|
else
|
|
{
|
|
thread = process->GetThreadList().FindThreadByIndexID(m_options.m_thread_idx).get();
|
|
}
|
|
|
|
if (thread == nullptr)
|
|
{
|
|
const uint32_t num_threads = process->GetThreadList().GetSize();
|
|
result.AppendErrorWithFormat ("Thread index %u is out of range (valid values are 0 - %u).\n",
|
|
m_options.m_thread_idx,
|
|
num_threads);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
const bool abort_other_plans = false;
|
|
|
|
StackFrame *frame = thread->GetStackFrameAtIndex(m_options.m_frame_idx).get();
|
|
if (frame == nullptr)
|
|
{
|
|
result.AppendErrorWithFormat ("Frame index %u is out of range for thread %u.\n",
|
|
m_options.m_frame_idx,
|
|
m_options.m_thread_idx);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
ThreadPlanSP new_plan_sp;
|
|
|
|
if (frame->HasDebugInformation ())
|
|
{
|
|
// Finally we got here... Translate the given line number to a bunch of addresses:
|
|
SymbolContext sc(frame->GetSymbolContext (eSymbolContextCompUnit));
|
|
LineTable *line_table = nullptr;
|
|
if (sc.comp_unit)
|
|
line_table = sc.comp_unit->GetLineTable();
|
|
|
|
if (line_table == nullptr)
|
|
{
|
|
result.AppendErrorWithFormat ("Failed to resolve the line table for frame %u of thread index %u.\n",
|
|
m_options.m_frame_idx, m_options.m_thread_idx);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
LineEntry function_start;
|
|
uint32_t index_ptr = 0, end_ptr;
|
|
std::vector<addr_t> address_list;
|
|
|
|
// Find the beginning & end index of the
|
|
AddressRange fun_addr_range = sc.function->GetAddressRange();
|
|
Address fun_start_addr = fun_addr_range.GetBaseAddress();
|
|
line_table->FindLineEntryByAddress (fun_start_addr, function_start, &index_ptr);
|
|
|
|
Address fun_end_addr(fun_start_addr.GetSection(),
|
|
fun_start_addr.GetOffset() + fun_addr_range.GetByteSize());
|
|
|
|
bool all_in_function = true;
|
|
|
|
line_table->FindLineEntryByAddress (fun_end_addr, function_start, &end_ptr);
|
|
|
|
for (uint32_t line_number : line_numbers)
|
|
{
|
|
uint32_t start_idx_ptr = index_ptr;
|
|
while (start_idx_ptr <= end_ptr)
|
|
{
|
|
LineEntry line_entry;
|
|
const bool exact = false;
|
|
start_idx_ptr = sc.comp_unit->FindLineEntry(start_idx_ptr, line_number, sc.comp_unit, exact, &line_entry);
|
|
if (start_idx_ptr == UINT32_MAX)
|
|
break;
|
|
|
|
addr_t address = line_entry.range.GetBaseAddress().GetLoadAddress(target);
|
|
if (address != LLDB_INVALID_ADDRESS)
|
|
{
|
|
if (fun_addr_range.ContainsLoadAddress (address, target))
|
|
address_list.push_back (address);
|
|
else
|
|
all_in_function = false;
|
|
}
|
|
start_idx_ptr++;
|
|
}
|
|
}
|
|
|
|
for (lldb::addr_t address : m_options.m_until_addrs)
|
|
{
|
|
if (fun_addr_range.ContainsLoadAddress (address, target))
|
|
address_list.push_back (address);
|
|
else
|
|
all_in_function = false;
|
|
}
|
|
|
|
if (address_list.empty())
|
|
{
|
|
if (all_in_function)
|
|
result.AppendErrorWithFormat ("No line entries matching until target.\n");
|
|
else
|
|
result.AppendErrorWithFormat ("Until target outside of the current function.\n");
|
|
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
new_plan_sp = thread->QueueThreadPlanForStepUntil (abort_other_plans,
|
|
&address_list.front(),
|
|
address_list.size(),
|
|
m_options.m_stop_others,
|
|
m_options.m_frame_idx);
|
|
// User level plans should be master plans so they can be interrupted (e.g. by hitting a breakpoint)
|
|
// and other plans executed by the user (stepping around the breakpoint) and then a "continue"
|
|
// will resume the original plan.
|
|
new_plan_sp->SetIsMasterPlan (true);
|
|
new_plan_sp->SetOkayToDiscard(false);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Frame index %u of thread %u has no debug information.\n",
|
|
m_options.m_frame_idx,
|
|
m_options.m_thread_idx);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
process->GetThreadList().SetSelectedThreadByID (m_options.m_thread_idx);
|
|
|
|
StreamString stream;
|
|
Error error;
|
|
if (synchronous_execution)
|
|
error = process->ResumeSynchronous (&stream);
|
|
else
|
|
error = process->Resume ();
|
|
|
|
if (error.Success())
|
|
{
|
|
result.AppendMessageWithFormat ("Process %" PRIu64 " resuming\n", process->GetID());
|
|
if (synchronous_execution)
|
|
{
|
|
// If any state changed events had anything to say, add that to the result
|
|
if (stream.GetData())
|
|
result.AppendMessage(stream.GetData());
|
|
|
|
result.SetDidChangeProcessState (true);
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
else
|
|
{
|
|
result.SetStatus (eReturnStatusSuccessContinuingNoResult);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectThreadUntil::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_1, false, "frame", 'f', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeFrameIndex, "Frame index for until operation - defaults to 0"},
|
|
{ LLDB_OPT_SET_1, false, "thread", 't', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeThreadIndex, "Thread index for the thread for until operation"},
|
|
{ LLDB_OPT_SET_1, false, "run-mode",'m', OptionParser::eRequiredArgument, nullptr, g_duo_running_mode, 0, eArgTypeRunMode, "Determine how to run other threads while stepping this one"},
|
|
{ LLDB_OPT_SET_1, false, "address", 'a', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeAddressOrExpression, "Run until we reach the specified address, or leave the function - can be specified multiple times."},
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectThreadSelect
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectThreadSelect : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectThreadSelect (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed(interpreter,
|
|
"thread select",
|
|
"Select a thread as the currently active thread.",
|
|
nullptr,
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused )
|
|
{
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData thread_idx_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
thread_idx_arg.arg_type = eArgTypeThreadIndex;
|
|
thread_idx_arg.arg_repetition = eArgRepeatPlain;
|
|
|
|
// There is only one variant this argument could be; put it into the argument entry.
|
|
arg.push_back (thread_idx_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back (arg);
|
|
}
|
|
|
|
~CommandObjectThreadSelect() override = default;
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
if (process == nullptr)
|
|
{
|
|
result.AppendError ("no process");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
else if (command.GetArgumentCount() != 1)
|
|
{
|
|
result.AppendErrorWithFormat("'%s' takes exactly one thread index argument:\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
uint32_t index_id = StringConvert::ToUInt32(command.GetArgumentAtIndex(0), 0, 0);
|
|
|
|
Thread *new_thread = process->GetThreadList().FindThreadByIndexID(index_id).get();
|
|
if (new_thread == nullptr)
|
|
{
|
|
result.AppendErrorWithFormat ("invalid thread #%s.\n", command.GetArgumentAtIndex(0));
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
process->GetThreadList().SetSelectedThreadByID(new_thread->GetID(), true);
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectThreadList
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectThreadList : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectThreadList (CommandInterpreter &interpreter):
|
|
CommandObjectParsed (interpreter,
|
|
"thread list",
|
|
"Show a summary of all current threads in a process.",
|
|
"thread list",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused )
|
|
{
|
|
}
|
|
|
|
~CommandObjectThreadList() override = default;
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Stream &strm = result.GetOutputStream();
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
const bool only_threads_with_stop_reason = false;
|
|
const uint32_t start_frame = 0;
|
|
const uint32_t num_frames = 0;
|
|
const uint32_t num_frames_with_source = 0;
|
|
process->GetStatus(strm);
|
|
process->GetThreadStatus (strm,
|
|
only_threads_with_stop_reason,
|
|
start_frame,
|
|
num_frames,
|
|
num_frames_with_source);
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectThreadInfo
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectThreadInfo : public CommandObjectIterateOverThreads
|
|
{
|
|
public:
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options (interpreter)
|
|
{
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions() override = default;
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
m_json_thread = false;
|
|
m_json_stopinfo = false;
|
|
}
|
|
|
|
Error
|
|
SetOptionValue (uint32_t option_idx, const char *option_arg) override
|
|
{
|
|
const int short_option = m_getopt_table[option_idx].val;
|
|
Error error;
|
|
|
|
switch (short_option)
|
|
{
|
|
case 'j':
|
|
m_json_thread = true;
|
|
break;
|
|
|
|
case 's':
|
|
m_json_stopinfo = true;
|
|
break;
|
|
|
|
default:
|
|
return Error("invalid short option character '%c'", short_option);
|
|
}
|
|
return error;
|
|
}
|
|
|
|
const OptionDefinition*
|
|
GetDefinitions () override
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
bool m_json_thread;
|
|
bool m_json_stopinfo;
|
|
|
|
static OptionDefinition g_option_table[];
|
|
};
|
|
|
|
CommandObjectThreadInfo (CommandInterpreter &interpreter) :
|
|
CommandObjectIterateOverThreads (interpreter,
|
|
"thread info",
|
|
"Show an extended summary of information about thread(s) in a process.",
|
|
"thread info",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused),
|
|
m_options (interpreter)
|
|
{
|
|
m_add_return = false;
|
|
}
|
|
|
|
~CommandObjectThreadInfo() override = default;
|
|
|
|
Options *
|
|
GetOptions () override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
bool
|
|
HandleOneThread (lldb::tid_t tid, CommandReturnObject &result) override
|
|
{
|
|
ThreadSP thread_sp = m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid);
|
|
if (!thread_sp)
|
|
{
|
|
result.AppendErrorWithFormat ("thread no longer exists: 0x%" PRIx64 "\n", tid);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
Thread *thread = thread_sp.get();
|
|
|
|
Stream &strm = result.GetOutputStream();
|
|
if (!thread->GetDescription (strm, eDescriptionLevelFull, m_options.m_json_thread, m_options.m_json_stopinfo))
|
|
{
|
|
result.AppendErrorWithFormat ("error displaying info for thread: \"%d\"\n", thread->GetIndexID());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectThreadInfo::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_ALL, false, "json",'j', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Display the thread info in JSON format."},
|
|
{ LLDB_OPT_SET_ALL, false, "stop-info",'s', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Display the extended stop info in JSON format."},
|
|
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectThreadReturn
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectThreadReturn : public CommandObjectRaw
|
|
{
|
|
public:
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options (interpreter),
|
|
m_from_expression (false)
|
|
{
|
|
// Keep default values of all options in one place: OptionParsingStarting ()
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions() override = default;
|
|
|
|
Error
|
|
SetOptionValue (uint32_t option_idx, const char *option_arg) override
|
|
{
|
|
Error error;
|
|
const int short_option = m_getopt_table[option_idx].val;
|
|
|
|
switch (short_option)
|
|
{
|
|
case 'x':
|
|
{
|
|
bool success;
|
|
bool tmp_value = Args::StringToBoolean (option_arg, false, &success);
|
|
if (success)
|
|
m_from_expression = tmp_value;
|
|
else
|
|
{
|
|
error.SetErrorStringWithFormat ("invalid boolean value '%s' for 'x' option", option_arg);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
m_from_expression = false;
|
|
}
|
|
|
|
const OptionDefinition*
|
|
GetDefinitions () override
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
bool m_from_expression;
|
|
|
|
// Options table: Required for subclasses of Options.
|
|
|
|
static OptionDefinition g_option_table[];
|
|
|
|
// Instance variables to hold the values for command options.
|
|
};
|
|
|
|
CommandObjectThreadReturn (CommandInterpreter &interpreter) :
|
|
CommandObjectRaw (interpreter,
|
|
"thread return",
|
|
"Return from the currently selected frame, short-circuiting execution of the frames below it, with an optional return value,"
|
|
" or with the -x option from the innermost function evaluation.",
|
|
"thread return",
|
|
eCommandRequiresFrame |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused ),
|
|
m_options (interpreter)
|
|
{
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData expression_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
expression_arg.arg_type = eArgTypeExpression;
|
|
expression_arg.arg_repetition = eArgRepeatOptional;
|
|
|
|
// There is only one variant this argument could be; put it into the argument entry.
|
|
arg.push_back (expression_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back (arg);
|
|
}
|
|
|
|
~CommandObjectThreadReturn() override = default;
|
|
|
|
Options *
|
|
GetOptions() override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (const char *command, CommandReturnObject &result) override
|
|
{
|
|
// I am going to handle this by hand, because I don't want you to have to say:
|
|
// "thread return -- -5".
|
|
if (command[0] == '-' && command[1] == 'x')
|
|
{
|
|
if (command && command[2] != '\0')
|
|
result.AppendWarning("Return values ignored when returning from user called expressions");
|
|
|
|
Thread *thread = m_exe_ctx.GetThreadPtr();
|
|
Error error;
|
|
error = thread->UnwindInnermostExpression();
|
|
if (!error.Success())
|
|
{
|
|
result.AppendErrorWithFormat ("Unwinding expression failed - %s.", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
else
|
|
{
|
|
bool success = thread->SetSelectedFrameByIndexNoisily (0, result.GetOutputStream());
|
|
if (success)
|
|
{
|
|
m_exe_ctx.SetFrameSP(thread->GetSelectedFrame ());
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Could not select 0th frame after unwinding expression.");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
|
|
ValueObjectSP return_valobj_sp;
|
|
|
|
StackFrameSP frame_sp = m_exe_ctx.GetFrameSP();
|
|
uint32_t frame_idx = frame_sp->GetFrameIndex();
|
|
|
|
if (frame_sp->IsInlined())
|
|
{
|
|
result.AppendError("Don't know how to return from inlined frames.");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (command && command[0] != '\0')
|
|
{
|
|
Target *target = m_exe_ctx.GetTargetPtr();
|
|
EvaluateExpressionOptions options;
|
|
|
|
options.SetUnwindOnError(true);
|
|
options.SetUseDynamic(eNoDynamicValues);
|
|
|
|
ExpressionResults exe_results = eExpressionSetupError;
|
|
exe_results = target->EvaluateExpression (command,
|
|
frame_sp.get(),
|
|
return_valobj_sp,
|
|
options);
|
|
if (exe_results != eExpressionCompleted)
|
|
{
|
|
if (return_valobj_sp)
|
|
result.AppendErrorWithFormat("Error evaluating result expression: %s", return_valobj_sp->GetError().AsCString());
|
|
else
|
|
result.AppendErrorWithFormat("Unknown error evaluating result expression.");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
Error error;
|
|
ThreadSP thread_sp = m_exe_ctx.GetThreadSP();
|
|
const bool broadcast = true;
|
|
error = thread_sp->ReturnFromFrame (frame_sp, return_valobj_sp, broadcast);
|
|
if (!error.Success())
|
|
{
|
|
result.AppendErrorWithFormat("Error returning from frame %d of thread %d: %s.", frame_idx, thread_sp->GetIndexID(), error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
return true;
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectThreadReturn::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_ALL, false, "from-expression", 'x', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Return from the innermost expression evaluation."},
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectThreadJump
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectThreadJump : public CommandObjectParsed
|
|
{
|
|
public:
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options (interpreter)
|
|
{
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions() override = default;
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
m_filenames.Clear();
|
|
m_line_num = 0;
|
|
m_line_offset = 0;
|
|
m_load_addr = LLDB_INVALID_ADDRESS;
|
|
m_force = false;
|
|
}
|
|
|
|
Error
|
|
SetOptionValue (uint32_t option_idx, const char *option_arg) override
|
|
{
|
|
bool success;
|
|
const int short_option = m_getopt_table[option_idx].val;
|
|
Error error;
|
|
|
|
switch (short_option)
|
|
{
|
|
case 'f':
|
|
m_filenames.AppendIfUnique (FileSpec(option_arg, false));
|
|
if (m_filenames.GetSize() > 1)
|
|
return Error("only one source file expected.");
|
|
break;
|
|
case 'l':
|
|
m_line_num = StringConvert::ToUInt32 (option_arg, 0, 0, &success);
|
|
if (!success || m_line_num == 0)
|
|
return Error("invalid line number: '%s'.", option_arg);
|
|
break;
|
|
case 'b':
|
|
m_line_offset = StringConvert::ToSInt32 (option_arg, 0, 0, &success);
|
|
if (!success)
|
|
return Error("invalid line offset: '%s'.", option_arg);
|
|
break;
|
|
case 'a':
|
|
{
|
|
ExecutionContext exe_ctx (m_interpreter.GetExecutionContext());
|
|
m_load_addr = Args::StringToAddress(&exe_ctx, option_arg, LLDB_INVALID_ADDRESS, &error);
|
|
}
|
|
break;
|
|
case 'r':
|
|
m_force = true;
|
|
break;
|
|
default:
|
|
return Error("invalid short option character '%c'", short_option);
|
|
}
|
|
return error;
|
|
}
|
|
|
|
const OptionDefinition*
|
|
GetDefinitions () override
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
FileSpecList m_filenames;
|
|
uint32_t m_line_num;
|
|
int32_t m_line_offset;
|
|
lldb::addr_t m_load_addr;
|
|
bool m_force;
|
|
|
|
static OptionDefinition g_option_table[];
|
|
};
|
|
|
|
CommandObjectThreadJump (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"thread jump",
|
|
"Sets the program counter to a new address.",
|
|
"thread jump",
|
|
eCommandRequiresFrame |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused ),
|
|
m_options (interpreter)
|
|
{
|
|
}
|
|
|
|
~CommandObjectThreadJump() override = default;
|
|
|
|
Options *
|
|
GetOptions() override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
protected:
|
|
bool DoExecute (Args& args, CommandReturnObject &result) override
|
|
{
|
|
RegisterContext *reg_ctx = m_exe_ctx.GetRegisterContext();
|
|
StackFrame *frame = m_exe_ctx.GetFramePtr();
|
|
Thread *thread = m_exe_ctx.GetThreadPtr();
|
|
Target *target = m_exe_ctx.GetTargetPtr();
|
|
const SymbolContext &sym_ctx = frame->GetSymbolContext (eSymbolContextLineEntry);
|
|
|
|
if (m_options.m_load_addr != LLDB_INVALID_ADDRESS)
|
|
{
|
|
// Use this address directly.
|
|
Address dest = Address(m_options.m_load_addr);
|
|
|
|
lldb::addr_t callAddr = dest.GetCallableLoadAddress (target);
|
|
if (callAddr == LLDB_INVALID_ADDRESS)
|
|
{
|
|
result.AppendErrorWithFormat ("Invalid destination address.");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (!reg_ctx->SetPC (callAddr))
|
|
{
|
|
result.AppendErrorWithFormat ("Error changing PC value for thread %d.", thread->GetIndexID());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Pick either the absolute line, or work out a relative one.
|
|
int32_t line = (int32_t)m_options.m_line_num;
|
|
if (line == 0)
|
|
line = sym_ctx.line_entry.line + m_options.m_line_offset;
|
|
|
|
// Try the current file, but override if asked.
|
|
FileSpec file = sym_ctx.line_entry.file;
|
|
if (m_options.m_filenames.GetSize() == 1)
|
|
file = m_options.m_filenames.GetFileSpecAtIndex(0);
|
|
|
|
if (!file)
|
|
{
|
|
result.AppendErrorWithFormat ("No source file available for the current location.");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
std::string warnings;
|
|
Error err = thread->JumpToLine (file, line, m_options.m_force, &warnings);
|
|
|
|
if (err.Fail())
|
|
{
|
|
result.SetError (err);
|
|
return false;
|
|
}
|
|
|
|
if (!warnings.empty())
|
|
result.AppendWarning (warnings.c_str());
|
|
}
|
|
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
return true;
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectThreadJump::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_1, false, "file", 'f', OptionParser::eRequiredArgument, nullptr, nullptr, CommandCompletions::eSourceFileCompletion, eArgTypeFilename,
|
|
"Specifies the source file to jump to."},
|
|
|
|
{ LLDB_OPT_SET_1, true, "line", 'l', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeLineNum,
|
|
"Specifies the line number to jump to."},
|
|
|
|
{ LLDB_OPT_SET_2, true, "by", 'b', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeOffset,
|
|
"Jumps by a relative line offset from the current line."},
|
|
|
|
{ LLDB_OPT_SET_3, true, "address", 'a', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeAddressOrExpression,
|
|
"Jumps to a specific address."},
|
|
|
|
{ LLDB_OPT_SET_1|
|
|
LLDB_OPT_SET_2|
|
|
LLDB_OPT_SET_3, false, "force",'r', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone,"Allows the PC to leave the current function."},
|
|
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// Next are the subcommands of CommandObjectMultiwordThreadPlan
|
|
//-------------------------------------------------------------------------
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectThreadPlanList
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectThreadPlanList : public CommandObjectIterateOverThreads
|
|
{
|
|
public:
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options(interpreter)
|
|
{
|
|
// Keep default values of all options in one place: OptionParsingStarting ()
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions() override = default;
|
|
|
|
Error
|
|
SetOptionValue (uint32_t option_idx, const char *option_arg) override
|
|
{
|
|
Error error;
|
|
const int short_option = m_getopt_table[option_idx].val;
|
|
|
|
switch (short_option)
|
|
{
|
|
case 'i':
|
|
m_internal = true;
|
|
break;
|
|
case 'v':
|
|
m_verbose = true;
|
|
break;
|
|
default:
|
|
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
m_verbose = false;
|
|
m_internal = false;
|
|
}
|
|
|
|
const OptionDefinition*
|
|
GetDefinitions () override
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
// Options table: Required for subclasses of Options.
|
|
|
|
static OptionDefinition g_option_table[];
|
|
|
|
// Instance variables to hold the values for command options.
|
|
bool m_verbose;
|
|
bool m_internal;
|
|
};
|
|
|
|
CommandObjectThreadPlanList (CommandInterpreter &interpreter) :
|
|
CommandObjectIterateOverThreads(interpreter,
|
|
"thread plan list",
|
|
"Show thread plans for one or more threads. If no threads are specified, show the "
|
|
"currently selected thread. Use the thread-index \"all\" to see all threads.",
|
|
nullptr,
|
|
eCommandRequiresProcess |
|
|
eCommandRequiresThread |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused ),
|
|
m_options(interpreter)
|
|
{
|
|
}
|
|
|
|
~CommandObjectThreadPlanList() override = default;
|
|
|
|
Options *
|
|
GetOptions () override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
HandleOneThread (lldb::tid_t tid, CommandReturnObject &result) override
|
|
{
|
|
ThreadSP thread_sp = m_exe_ctx.GetProcessPtr()->GetThreadList().FindThreadByID(tid);
|
|
if (!thread_sp)
|
|
{
|
|
result.AppendErrorWithFormat ("thread no longer exists: 0x%" PRIx64 "\n", tid);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
Thread *thread = thread_sp.get();
|
|
|
|
Stream &strm = result.GetOutputStream();
|
|
DescriptionLevel desc_level = eDescriptionLevelFull;
|
|
if (m_options.m_verbose)
|
|
desc_level = eDescriptionLevelVerbose;
|
|
|
|
thread->DumpThreadPlans (&strm, desc_level, m_options.m_internal, true);
|
|
return true;
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectThreadPlanList::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_1, false, "verbose", 'v', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Display more information about the thread plans"},
|
|
{ LLDB_OPT_SET_1, false, "internal", 'i', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Display internal as well as user thread plans"},
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
class CommandObjectThreadPlanDiscard : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectThreadPlanDiscard (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed(interpreter,
|
|
"thread plan discard",
|
|
"Discards thread plans up to and including the plan passed as the command argument."
|
|
"Only user visible plans can be discarded, use the index from \"thread plan list\""
|
|
" without the \"-i\" argument.",
|
|
nullptr,
|
|
eCommandRequiresProcess |
|
|
eCommandRequiresThread |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused )
|
|
{
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData plan_index_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
plan_index_arg.arg_type = eArgTypeUnsignedInteger;
|
|
plan_index_arg.arg_repetition = eArgRepeatPlain;
|
|
|
|
// There is only one variant this argument could be; put it into the argument entry.
|
|
arg.push_back (plan_index_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back (arg);
|
|
}
|
|
|
|
~CommandObjectThreadPlanDiscard() override = default;
|
|
|
|
bool
|
|
DoExecute (Args& args, CommandReturnObject &result) override
|
|
{
|
|
Thread *thread = m_exe_ctx.GetThreadPtr();
|
|
if (args.GetArgumentCount() != 1)
|
|
{
|
|
result.AppendErrorWithFormat("Too many arguments, expected one - the thread plan index - but got %zu.",
|
|
args.GetArgumentCount());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
bool success;
|
|
uint32_t thread_plan_idx = StringConvert::ToUInt32(args.GetArgumentAtIndex(0), 0, 0, &success);
|
|
if (!success)
|
|
{
|
|
result.AppendErrorWithFormat("Invalid thread index: \"%s\" - should be unsigned int.",
|
|
args.GetArgumentAtIndex(0));
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (thread_plan_idx == 0)
|
|
{
|
|
result.AppendErrorWithFormat("You wouldn't really want me to discard the base thread plan.");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (thread->DiscardUserThreadPlansUpToIndex(thread_plan_idx))
|
|
{
|
|
result.SetStatus(eReturnStatusSuccessFinishNoResult);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat("Could not find User thread plan with index %s.",
|
|
args.GetArgumentAtIndex(0));
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectMultiwordThreadPlan
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectMultiwordThreadPlan : public CommandObjectMultiword
|
|
{
|
|
public:
|
|
CommandObjectMultiwordThreadPlan(CommandInterpreter &interpreter) :
|
|
CommandObjectMultiword (interpreter,
|
|
"plan",
|
|
"A set of subcommands for accessing the thread plans controlling execution control on one or more threads.",
|
|
"thread plan <subcommand> [<subcommand objects]")
|
|
{
|
|
LoadSubCommand ("list", CommandObjectSP (new CommandObjectThreadPlanList (interpreter)));
|
|
LoadSubCommand ("discard", CommandObjectSP (new CommandObjectThreadPlanDiscard (interpreter)));
|
|
}
|
|
|
|
~CommandObjectMultiwordThreadPlan() override = default;
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectMultiwordThread
|
|
//-------------------------------------------------------------------------
|
|
|
|
CommandObjectMultiwordThread::CommandObjectMultiwordThread (CommandInterpreter &interpreter) :
|
|
CommandObjectMultiword (interpreter,
|
|
"thread",
|
|
"A set of commands for operating on one or more threads within a running process.",
|
|
"thread <subcommand> [<subcommand-options>]")
|
|
{
|
|
LoadSubCommand ("backtrace", CommandObjectSP (new CommandObjectThreadBacktrace (interpreter)));
|
|
LoadSubCommand ("continue", CommandObjectSP (new CommandObjectThreadContinue (interpreter)));
|
|
LoadSubCommand ("list", CommandObjectSP (new CommandObjectThreadList (interpreter)));
|
|
LoadSubCommand ("return", CommandObjectSP (new CommandObjectThreadReturn (interpreter)));
|
|
LoadSubCommand ("jump", CommandObjectSP (new CommandObjectThreadJump (interpreter)));
|
|
LoadSubCommand ("select", CommandObjectSP (new CommandObjectThreadSelect (interpreter)));
|
|
LoadSubCommand ("until", CommandObjectSP (new CommandObjectThreadUntil (interpreter)));
|
|
LoadSubCommand ("info", CommandObjectSP (new CommandObjectThreadInfo (interpreter)));
|
|
LoadSubCommand ("step-in", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope (
|
|
interpreter,
|
|
"thread step-in",
|
|
"Source level single step in specified thread (current thread, if none specified).",
|
|
nullptr,
|
|
eStepTypeInto,
|
|
eStepScopeSource)));
|
|
|
|
LoadSubCommand ("step-out", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope (
|
|
interpreter,
|
|
"thread step-out",
|
|
"Finish executing the function of the currently selected frame and return to its call site in specified thread (current thread, if none specified).",
|
|
nullptr,
|
|
eStepTypeOut,
|
|
eStepScopeSource)));
|
|
|
|
LoadSubCommand ("step-over", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope (
|
|
interpreter,
|
|
"thread step-over",
|
|
"Source level single step in specified thread (current thread, if none specified), stepping over calls.",
|
|
nullptr,
|
|
eStepTypeOver,
|
|
eStepScopeSource)));
|
|
|
|
LoadSubCommand ("step-inst", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope (
|
|
interpreter,
|
|
"thread step-inst",
|
|
"Single step one instruction in specified thread (current thread, if none specified).",
|
|
nullptr,
|
|
eStepTypeTrace,
|
|
eStepScopeInstruction)));
|
|
|
|
LoadSubCommand ("step-inst-over", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope (
|
|
interpreter,
|
|
"thread step-inst-over",
|
|
"Single step one instruction in specified thread (current thread, if none specified), stepping over calls.",
|
|
nullptr,
|
|
eStepTypeTraceOver,
|
|
eStepScopeInstruction)));
|
|
|
|
LoadSubCommand ("step-scripted", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope (
|
|
interpreter,
|
|
"thread step-scripted",
|
|
"Step as instructed by the script class passed in the -C option.",
|
|
nullptr,
|
|
eStepTypeScripted,
|
|
eStepScopeSource)));
|
|
|
|
LoadSubCommand ("plan", CommandObjectSP (new CommandObjectMultiwordThreadPlan(interpreter)));
|
|
}
|
|
|
|
CommandObjectMultiwordThread::~CommandObjectMultiwordThread() = default;
|