mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2025-05-14 09:56:33 +00:00
8d94ba0fb1
Turns out that most of the code that runs expressions (e.g. the ObjC runtime grubber) on behalf of the expression parser was using the currently selected thread. But sometimes, e.g. when we are evaluating breakpoint conditions/commands, we don't select the thread we're running on, we instead set the context for the interpreter, and explicitly pass that to other callers. That wasn't getting communicated to these utility expressions, so they would run on some other thread instead, and that could cause a variety of subtle and hard to reproduce problems. I also went through the commands and cleaned up the use of GetSelectedThread. All those uses should have been trying the thread in the m_exe_ctx belonging to the command object first. It would actually have been pretty hard to get misbehavior in these cases, but for correctness sake it is good to make this usage consistent. <rdar://problem/24978569> llvm-svn: 263326
1915 lines
72 KiB
C++
1915 lines
72 KiB
C++
//===-- CommandObjectProcess.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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// 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 "CommandObjectProcess.h"
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#include "lldb/Breakpoint/Breakpoint.h"
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Breakpoint/BreakpointSite.h"
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#include "lldb/Core/State.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/PluginManager.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/Args.h"
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#include "lldb/Interpreter/Options.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/Target/Platform.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/StopInfo.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/UnixSignals.h"
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using namespace lldb;
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using namespace lldb_private;
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class CommandObjectProcessLaunchOrAttach : public CommandObjectParsed
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{
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public:
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CommandObjectProcessLaunchOrAttach (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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const char *new_process_action) :
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CommandObjectParsed (interpreter, name, help, syntax, flags),
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m_new_process_action (new_process_action) {}
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~CommandObjectProcessLaunchOrAttach() override = default;
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protected:
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bool
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StopProcessIfNecessary (Process *process, StateType &state, CommandReturnObject &result)
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{
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state = eStateInvalid;
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if (process)
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{
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state = process->GetState();
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if (process->IsAlive() && state != eStateConnected)
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{
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char message[1024];
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if (process->GetState() == eStateAttaching)
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::snprintf (message, sizeof(message), "There is a pending attach, abort it and %s?", m_new_process_action.c_str());
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else if (process->GetShouldDetach())
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::snprintf (message, sizeof(message), "There is a running process, detach from it and %s?", m_new_process_action.c_str());
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else
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::snprintf (message, sizeof(message), "There is a running process, kill it and %s?", m_new_process_action.c_str());
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if (!m_interpreter.Confirm (message, true))
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{
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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else
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{
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if (process->GetShouldDetach())
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{
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bool keep_stopped = false;
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Error detach_error (process->Detach(keep_stopped));
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if (detach_error.Success())
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{
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result.SetStatus (eReturnStatusSuccessFinishResult);
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process = nullptr;
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}
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else
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{
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result.AppendErrorWithFormat ("Failed to detach from process: %s\n", detach_error.AsCString());
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result.SetStatus (eReturnStatusFailed);
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}
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}
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else
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{
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Error destroy_error (process->Destroy(false));
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if (destroy_error.Success())
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{
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result.SetStatus (eReturnStatusSuccessFinishResult);
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process = nullptr;
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}
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else
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{
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result.AppendErrorWithFormat ("Failed to kill process: %s\n", destroy_error.AsCString());
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result.SetStatus (eReturnStatusFailed);
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}
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}
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}
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}
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}
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return result.Succeeded();
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}
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std::string m_new_process_action;
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};
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//-------------------------------------------------------------------------
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// CommandObjectProcessLaunch
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//-------------------------------------------------------------------------
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#pragma mark CommandObjectProcessLaunch
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class CommandObjectProcessLaunch : public CommandObjectProcessLaunchOrAttach
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{
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public:
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CommandObjectProcessLaunch (CommandInterpreter &interpreter) :
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CommandObjectProcessLaunchOrAttach(interpreter,
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"process launch",
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"Launch the executable in the debugger.",
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nullptr,
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eCommandRequiresTarget,
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"restart"),
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m_options (interpreter)
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{
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CommandArgumentEntry arg;
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CommandArgumentData run_args_arg;
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// Define the first (and only) variant of this arg.
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run_args_arg.arg_type = eArgTypeRunArgs;
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run_args_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 (run_args_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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~CommandObjectProcessLaunch() override = default;
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int
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HandleArgumentCompletion (Args &input,
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int &cursor_index,
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int &cursor_char_position,
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OptionElementVector &opt_element_vector,
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int match_start_point,
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int max_return_elements,
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bool &word_complete,
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StringList &matches) override
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{
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std::string completion_str (input.GetArgumentAtIndex(cursor_index));
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completion_str.erase (cursor_char_position);
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CommandCompletions::InvokeCommonCompletionCallbacks(m_interpreter,
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CommandCompletions::eDiskFileCompletion,
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completion_str.c_str(),
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match_start_point,
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max_return_elements,
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nullptr,
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word_complete,
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matches);
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return matches.GetSize();
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}
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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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const char *
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GetRepeatCommand (Args ¤t_command_args, uint32_t index) override
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{
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// No repeat for "process launch"...
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return "";
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}
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protected:
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bool
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DoExecute (Args& launch_args, CommandReturnObject &result) override
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{
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Debugger &debugger = m_interpreter.GetDebugger();
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Target *target = debugger.GetSelectedTarget().get();
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// If our listener is nullptr, users aren't allows to launch
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ModuleSP exe_module_sp = target->GetExecutableModule();
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if (exe_module_sp == nullptr)
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{
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result.AppendError ("no file in target, create a debug target using the 'target create' command");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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StateType state = eStateInvalid;
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if (!StopProcessIfNecessary(m_exe_ctx.GetProcessPtr(), state, result))
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return false;
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const char *target_settings_argv0 = target->GetArg0();
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// Determine whether we will disable ASLR or leave it in the default state (i.e. enabled if the platform supports it).
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// First check if the process launch options explicitly turn on/off disabling ASLR. If so, use that setting;
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// otherwise, use the 'settings target.disable-aslr' setting.
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bool disable_aslr = false;
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if (m_options.disable_aslr != eLazyBoolCalculate)
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{
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// The user specified an explicit setting on the process launch line. Use it.
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disable_aslr = (m_options.disable_aslr == eLazyBoolYes);
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}
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else
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{
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// The user did not explicitly specify whether to disable ASLR. Fall back to the target.disable-aslr setting.
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disable_aslr = target->GetDisableASLR ();
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}
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if (disable_aslr)
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m_options.launch_info.GetFlags().Set (eLaunchFlagDisableASLR);
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else
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m_options.launch_info.GetFlags().Clear (eLaunchFlagDisableASLR);
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if (target->GetDetachOnError())
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m_options.launch_info.GetFlags().Set (eLaunchFlagDetachOnError);
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if (target->GetDisableSTDIO())
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m_options.launch_info.GetFlags().Set (eLaunchFlagDisableSTDIO);
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Args environment;
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target->GetEnvironmentAsArgs (environment);
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if (environment.GetArgumentCount() > 0)
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m_options.launch_info.GetEnvironmentEntries ().AppendArguments (environment);
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if (target_settings_argv0)
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{
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m_options.launch_info.GetArguments().AppendArgument (target_settings_argv0);
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m_options.launch_info.SetExecutableFile(exe_module_sp->GetPlatformFileSpec(), false);
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}
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else
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{
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m_options.launch_info.SetExecutableFile(exe_module_sp->GetPlatformFileSpec(), true);
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}
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if (launch_args.GetArgumentCount() == 0)
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{
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m_options.launch_info.GetArguments().AppendArguments (target->GetProcessLaunchInfo().GetArguments());
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}
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else
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{
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m_options.launch_info.GetArguments().AppendArguments (launch_args);
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// Save the arguments for subsequent runs in the current target.
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target->SetRunArguments (launch_args);
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}
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StreamString stream;
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Error error = target->Launch(m_options.launch_info, &stream);
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if (error.Success())
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{
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ProcessSP process_sp (target->GetProcessSP());
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if (process_sp)
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{
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// There is a race condition where this thread will return up the call stack to the main command
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// handler and show an (lldb) prompt before HandlePrivateEvent (from PrivateStateThread) has
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// a chance to call PushProcessIOHandler().
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process_sp->SyncIOHandler (0, 2000);
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const char *data = stream.GetData();
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if (data && strlen(data) > 0)
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result.AppendMessage(stream.GetData());
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const char *archname = exe_module_sp->GetArchitecture().GetArchitectureName();
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result.AppendMessageWithFormat ("Process %" PRIu64 " launched: '%s' (%s)\n", process_sp->GetID(), exe_module_sp->GetFileSpec().GetPath().c_str(), archname);
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result.SetStatus (eReturnStatusSuccessFinishResult);
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result.SetDidChangeProcessState (true);
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}
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else
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{
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result.AppendError("no error returned from Target::Launch, and target has no process");
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result.SetStatus (eReturnStatusFailed);
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}
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}
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else
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{
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result.AppendError(error.AsCString());
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result.SetStatus (eReturnStatusFailed);
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}
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return result.Succeeded();
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}
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protected:
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ProcessLaunchCommandOptions m_options;
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};
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//#define SET1 LLDB_OPT_SET_1
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//#define SET2 LLDB_OPT_SET_2
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//#define SET3 LLDB_OPT_SET_3
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//
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//OptionDefinition
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//CommandObjectProcessLaunch::CommandOptions::g_option_table[] =
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//{
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//{ SET1 | SET2 | SET3, false, "stop-at-entry", 's', OptionParser::eNoArgument, nullptr, 0, eArgTypeNone, "Stop at the entry point of the program when launching a process."},
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//{ SET1 , false, "stdin", 'i', OptionParser::eRequiredArgument, nullptr, 0, eArgTypeDirectoryName, "Redirect stdin for the process to <path>."},
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//{ SET1 , false, "stdout", 'o', OptionParser::eRequiredArgument, nullptr, 0, eArgTypeDirectoryName, "Redirect stdout for the process to <path>."},
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//{ SET1 , false, "stderr", 'e', OptionParser::eRequiredArgument, nullptr, 0, eArgTypeDirectoryName, "Redirect stderr for the process to <path>."},
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//{ SET1 | SET2 | SET3, false, "plugin", 'p', OptionParser::eRequiredArgument, nullptr, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
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//{ SET2 , false, "tty", 't', OptionParser::eOptionalArgument, nullptr, 0, eArgTypeDirectoryName, "Start the process in a terminal. If <path> is specified, look for a terminal whose name contains <path>, else start the process in a new terminal."},
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//{ SET3, false, "no-stdio", 'n', OptionParser::eNoArgument, nullptr, 0, eArgTypeNone, "Do not set up for terminal I/O to go to running process."},
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//{ SET1 | SET2 | SET3, false, "working-dir", 'w', OptionParser::eRequiredArgument, nullptr, 0, eArgTypeDirectoryName, "Set the current working directory to <path> when running the inferior."},
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//{ 0, false, nullptr, 0, 0, nullptr, 0, eArgTypeNone, nullptr }
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//};
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//
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//#undef SET1
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//#undef SET2
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//#undef SET3
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//-------------------------------------------------------------------------
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// CommandObjectProcessAttach
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//-------------------------------------------------------------------------
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#pragma mark CommandObjectProcessAttach
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class CommandObjectProcessAttach : public CommandObjectProcessLaunchOrAttach
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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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bool success = false;
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switch (short_option)
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{
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case 'c':
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attach_info.SetContinueOnceAttached(true);
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break;
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case 'p':
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{
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lldb::pid_t pid = StringConvert::ToUInt32 (option_arg, LLDB_INVALID_PROCESS_ID, 0, &success);
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if (!success || pid == LLDB_INVALID_PROCESS_ID)
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{
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error.SetErrorStringWithFormat("invalid process ID '%s'", option_arg);
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}
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else
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{
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attach_info.SetProcessID (pid);
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}
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}
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break;
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case 'P':
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attach_info.SetProcessPluginName (option_arg);
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break;
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case 'n':
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attach_info.GetExecutableFile().SetFile(option_arg, false);
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break;
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case 'w':
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attach_info.SetWaitForLaunch(true);
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break;
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case 'i':
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attach_info.SetIgnoreExisting(false);
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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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attach_info.Clear();
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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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bool
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HandleOptionArgumentCompletion (Args &input,
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int cursor_index,
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int char_pos,
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OptionElementVector &opt_element_vector,
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int opt_element_index,
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int match_start_point,
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int max_return_elements,
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bool &word_complete,
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StringList &matches) override
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{
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int opt_arg_pos = opt_element_vector[opt_element_index].opt_arg_pos;
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int opt_defs_index = opt_element_vector[opt_element_index].opt_defs_index;
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// We are only completing the name option for now...
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const OptionDefinition *opt_defs = GetDefinitions();
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if (opt_defs[opt_defs_index].short_option == 'n')
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{
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// Are we in the name?
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// Look to see if there is a -P argument provided, and if so use that plugin, otherwise
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// use the default plugin.
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const char *partial_name = nullptr;
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partial_name = input.GetArgumentAtIndex(opt_arg_pos);
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PlatformSP platform_sp (m_interpreter.GetPlatform (true));
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if (platform_sp)
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{
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ProcessInstanceInfoList process_infos;
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ProcessInstanceInfoMatch match_info;
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if (partial_name)
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{
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match_info.GetProcessInfo().GetExecutableFile().SetFile(partial_name, false);
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match_info.SetNameMatchType(eNameMatchStartsWith);
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}
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platform_sp->FindProcesses (match_info, process_infos);
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const size_t num_matches = process_infos.GetSize();
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if (num_matches > 0)
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{
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for (size_t i = 0; i < num_matches; ++i)
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{
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matches.AppendString (process_infos.GetProcessNameAtIndex(i),
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process_infos.GetProcessNameLengthAtIndex(i));
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}
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}
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}
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}
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return false;
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}
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|
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// Options table: Required for subclasses of Options.
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|
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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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ProcessAttachInfo attach_info;
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};
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CommandObjectProcessAttach (CommandInterpreter &interpreter) :
|
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CommandObjectProcessLaunchOrAttach (interpreter,
|
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"process attach",
|
|
"Attach to a process.",
|
|
"process attach <cmd-options>",
|
|
0,
|
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"attach"),
|
|
m_options (interpreter)
|
|
{
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|
}
|
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|
|
~CommandObjectProcessAttach() override = default;
|
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|
|
Options *
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GetOptions () override
|
|
{
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|
return &m_options;
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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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|
PlatformSP platform_sp (m_interpreter.GetDebugger().GetPlatformList().GetSelectedPlatform());
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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// N.B. The attach should be synchronous. It doesn't help much to get the prompt back between initiating the attach
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// and the target actually stopping. So even if the interpreter is set to be asynchronous, we wait for the stop
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// ourselves here.
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StateType state = eStateInvalid;
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Process *process = m_exe_ctx.GetProcessPtr();
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if (!StopProcessIfNecessary (process, state, result))
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return false;
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|
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if (target == nullptr)
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{
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// If there isn't a current target create one.
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TargetSP new_target_sp;
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Error error;
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error = m_interpreter.GetDebugger().GetTargetList().CreateTarget(m_interpreter.GetDebugger(),
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nullptr,
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nullptr,
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false,
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nullptr, // No platform options
|
|
new_target_sp);
|
|
target = new_target_sp.get();
|
|
if (target == nullptr || error.Fail())
|
|
{
|
|
result.AppendError(error.AsCString("Error creating target"));
|
|
return false;
|
|
}
|
|
m_interpreter.GetDebugger().GetTargetList().SetSelectedTarget(target);
|
|
}
|
|
|
|
// Record the old executable module, we want to issue a warning if the process of attaching changed the
|
|
// current executable (like somebody said "file foo" then attached to a PID whose executable was bar.)
|
|
|
|
ModuleSP old_exec_module_sp = target->GetExecutableModule();
|
|
ArchSpec old_arch_spec = target->GetArchitecture();
|
|
|
|
if (command.GetArgumentCount())
|
|
{
|
|
result.AppendErrorWithFormat("Invalid arguments for '%s'.\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
m_interpreter.UpdateExecutionContext(nullptr);
|
|
StreamString stream;
|
|
const auto error = target->Attach(m_options.attach_info, &stream);
|
|
if (error.Success())
|
|
{
|
|
ProcessSP process_sp (target->GetProcessSP());
|
|
if (process_sp)
|
|
{
|
|
if (stream.GetData())
|
|
result.AppendMessage(stream.GetData());
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
result.SetDidChangeProcessState (true);
|
|
result.SetAbnormalStopWasExpected(true);
|
|
}
|
|
else
|
|
{
|
|
result.AppendError("no error returned from Target::Attach, and target has no process");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("attach failed: %s\n", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
|
|
if (!result.Succeeded())
|
|
return false;
|
|
|
|
// Okay, we're done. Last step is to warn if the executable module has changed:
|
|
char new_path[PATH_MAX];
|
|
ModuleSP new_exec_module_sp (target->GetExecutableModule());
|
|
if (!old_exec_module_sp)
|
|
{
|
|
// We might not have a module if we attached to a raw pid...
|
|
if (new_exec_module_sp)
|
|
{
|
|
new_exec_module_sp->GetFileSpec().GetPath(new_path, PATH_MAX);
|
|
result.AppendMessageWithFormat("Executable module set to \"%s\".\n", new_path);
|
|
}
|
|
}
|
|
else if (old_exec_module_sp->GetFileSpec() != new_exec_module_sp->GetFileSpec())
|
|
{
|
|
char old_path[PATH_MAX];
|
|
|
|
old_exec_module_sp->GetFileSpec().GetPath (old_path, PATH_MAX);
|
|
new_exec_module_sp->GetFileSpec().GetPath (new_path, PATH_MAX);
|
|
|
|
result.AppendWarningWithFormat("Executable module changed from \"%s\" to \"%s\".\n",
|
|
old_path, new_path);
|
|
}
|
|
|
|
if (!old_arch_spec.IsValid())
|
|
{
|
|
result.AppendMessageWithFormat ("Architecture set to: %s.\n", target->GetArchitecture().GetTriple().getTriple().c_str());
|
|
}
|
|
else if (!old_arch_spec.IsExactMatch(target->GetArchitecture()))
|
|
{
|
|
result.AppendWarningWithFormat("Architecture changed from %s to %s.\n",
|
|
old_arch_spec.GetTriple().getTriple().c_str(),
|
|
target->GetArchitecture().GetTriple().getTriple().c_str());
|
|
}
|
|
|
|
// This supports the use-case scenario of immediately continuing the process once attached.
|
|
if (m_options.attach_info.GetContinueOnceAttached())
|
|
m_interpreter.HandleCommand("process continue", eLazyBoolNo, result);
|
|
|
|
return result.Succeeded();
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectProcessAttach::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_ALL, false, "continue",'c', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Immediately continue the process once attached."},
|
|
{ LLDB_OPT_SET_ALL, false, "plugin", 'P', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
|
|
{ LLDB_OPT_SET_1, false, "pid", 'p', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypePid, "The process ID of an existing process to attach to."},
|
|
{ LLDB_OPT_SET_2, false, "name", 'n', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeProcessName, "The name of the process to attach to."},
|
|
{ LLDB_OPT_SET_2, false, "include-existing", 'i', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Include existing processes when doing attach -w."},
|
|
{ LLDB_OPT_SET_2, false, "waitfor", 'w', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Wait for the process with <process-name> to launch."},
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessContinue
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessContinue
|
|
|
|
class CommandObjectProcessContinue : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectProcessContinue (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process continue",
|
|
"Continue execution of all threads in the current process.",
|
|
"process continue",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused ),
|
|
m_options(interpreter)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessContinue() override = default;
|
|
|
|
protected:
|
|
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;
|
|
bool success = false;
|
|
switch (short_option)
|
|
{
|
|
case 'i':
|
|
m_ignore = StringConvert::ToUInt32 (option_arg, 0, 0, &success);
|
|
if (!success)
|
|
error.SetErrorStringWithFormat ("invalid value for ignore option: \"%s\", should be a number.", option_arg);
|
|
break;
|
|
|
|
default:
|
|
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
m_ignore = 0;
|
|
}
|
|
|
|
const OptionDefinition*
|
|
GetDefinitions () override
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
// Options table: Required for subclasses of Options.
|
|
|
|
static OptionDefinition g_option_table[];
|
|
|
|
uint32_t m_ignore;
|
|
};
|
|
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
bool synchronous_execution = m_interpreter.GetSynchronous ();
|
|
StateType state = process->GetState();
|
|
if (state == eStateStopped)
|
|
{
|
|
if (command.GetArgumentCount() != 0)
|
|
{
|
|
result.AppendErrorWithFormat ("The '%s' command does not take any arguments.\n", m_cmd_name.c_str());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (m_options.m_ignore > 0)
|
|
{
|
|
ThreadSP sel_thread_sp(GetDefaultThread()->shared_from_this());
|
|
if (sel_thread_sp)
|
|
{
|
|
StopInfoSP stop_info_sp = sel_thread_sp->GetStopInfo();
|
|
if (stop_info_sp && stop_info_sp->GetStopReason() == eStopReasonBreakpoint)
|
|
{
|
|
lldb::break_id_t bp_site_id = (lldb::break_id_t)stop_info_sp->GetValue();
|
|
BreakpointSiteSP bp_site_sp(process->GetBreakpointSiteList().FindByID(bp_site_id));
|
|
if (bp_site_sp)
|
|
{
|
|
const size_t num_owners = bp_site_sp->GetNumberOfOwners();
|
|
for (size_t i = 0; i < num_owners; i++)
|
|
{
|
|
Breakpoint &bp_ref = bp_site_sp->GetOwnerAtIndex(i)->GetBreakpoint();
|
|
if (!bp_ref.IsInternal())
|
|
{
|
|
bp_ref.SetIgnoreCount(m_options.m_ignore);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
{ // Scope for thread list mutex:
|
|
Mutex::Locker locker (process->GetThreadList().GetMutex());
|
|
const uint32_t num_threads = process->GetThreadList().GetSize();
|
|
|
|
// Set the actions that the threads should each take when resuming
|
|
for (uint32_t idx=0; idx<num_threads; ++idx)
|
|
{
|
|
const bool override_suspend = false;
|
|
process->GetThreadList().GetThreadAtIndex(idx)->SetResumeState (eStateRunning, override_suspend);
|
|
}
|
|
}
|
|
|
|
const uint32_t iohandler_id = process->GetIOHandlerID();
|
|
|
|
StreamString stream;
|
|
Error error;
|
|
if (synchronous_execution)
|
|
error = process->ResumeSynchronous (&stream);
|
|
else
|
|
error = process->Resume ();
|
|
|
|
if (error.Success())
|
|
{
|
|
// 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);
|
|
|
|
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();
|
|
}
|
|
|
|
Options *
|
|
GetOptions () override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectProcessContinue::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_ALL, false, "ignore-count",'i', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeUnsignedInteger,
|
|
"Ignore <N> crossings of the breakpoint (if it exists) for the currently selected thread."},
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessDetach
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessDetach
|
|
|
|
class CommandObjectProcessDetach : public CommandObjectParsed
|
|
{
|
|
public:
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options (interpreter)
|
|
{
|
|
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 's':
|
|
bool tmp_result;
|
|
bool success;
|
|
tmp_result = Args::StringToBoolean(option_arg, false, &success);
|
|
if (!success)
|
|
error.SetErrorStringWithFormat("invalid boolean option: \"%s\"", option_arg);
|
|
else
|
|
{
|
|
if (tmp_result)
|
|
m_keep_stopped = eLazyBoolYes;
|
|
else
|
|
m_keep_stopped = eLazyBoolNo;
|
|
}
|
|
break;
|
|
default:
|
|
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
m_keep_stopped = eLazyBoolCalculate;
|
|
}
|
|
|
|
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.
|
|
LazyBool m_keep_stopped;
|
|
};
|
|
|
|
CommandObjectProcessDetach (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process detach",
|
|
"Detach from the current process being debugged.",
|
|
"process detach",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched),
|
|
m_options(interpreter)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessDetach() override = default;
|
|
|
|
Options *
|
|
GetOptions () override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
// FIXME: This will be a Command Option:
|
|
bool keep_stopped;
|
|
if (m_options.m_keep_stopped == eLazyBoolCalculate)
|
|
{
|
|
// Check the process default:
|
|
keep_stopped = process->GetDetachKeepsStopped();
|
|
}
|
|
else if (m_options.m_keep_stopped == eLazyBoolYes)
|
|
keep_stopped = true;
|
|
else
|
|
keep_stopped = false;
|
|
|
|
Error error (process->Detach(keep_stopped));
|
|
if (error.Success())
|
|
{
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Detach failed: %s\n", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectProcessDetach::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_1, false, "keep-stopped", 's', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Whether or not the process should be kept stopped on detach (if possible)." },
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessConnect
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessConnect
|
|
|
|
class CommandObjectProcessConnect : public CommandObjectParsed
|
|
{
|
|
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 'p':
|
|
plugin_name.assign (option_arg);
|
|
break;
|
|
|
|
default:
|
|
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
plugin_name.clear();
|
|
}
|
|
|
|
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.
|
|
|
|
std::string plugin_name;
|
|
};
|
|
|
|
CommandObjectProcessConnect (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process connect",
|
|
"Connect to a remote debug service.",
|
|
"process connect <remote-url>",
|
|
0),
|
|
m_options (interpreter)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessConnect() override = default;
|
|
|
|
Options *
|
|
GetOptions () override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
if (command.GetArgumentCount() != 1)
|
|
{
|
|
result.AppendErrorWithFormat ("'%s' takes exactly one argument:\nUsage: %s\n",
|
|
m_cmd_name.c_str(),
|
|
m_cmd_syntax.c_str());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
if (process && process->IsAlive())
|
|
{
|
|
result.AppendErrorWithFormat ("Process %" PRIu64 " is currently being debugged, kill the process before connecting.\n",
|
|
process->GetID());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
const char *plugin_name = nullptr;
|
|
if (!m_options.plugin_name.empty())
|
|
plugin_name = m_options.plugin_name.c_str();
|
|
|
|
Error error;
|
|
Debugger& debugger = m_interpreter.GetDebugger();
|
|
PlatformSP platform_sp = m_interpreter.GetPlatform(true);
|
|
ProcessSP process_sp = platform_sp->ConnectProcess(command.GetArgumentAtIndex(0),
|
|
plugin_name,
|
|
debugger,
|
|
debugger.GetSelectedTarget().get(),
|
|
error);
|
|
if (error.Fail() || process_sp == nullptr)
|
|
{
|
|
result.AppendError(error.AsCString("Error connecting to the process"));
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectProcessConnect::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_ALL, false, "plugin", 'p', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
|
|
{ 0, false, nullptr, 0 , 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessPlugin
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessPlugin
|
|
|
|
class CommandObjectProcessPlugin : public CommandObjectProxy
|
|
{
|
|
public:
|
|
CommandObjectProcessPlugin (CommandInterpreter &interpreter) :
|
|
CommandObjectProxy (interpreter,
|
|
"process plugin",
|
|
"Send a custom command to the current process plug-in.",
|
|
"process plugin <args>",
|
|
0)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessPlugin() override = default;
|
|
|
|
CommandObject *
|
|
GetProxyCommandObject() override
|
|
{
|
|
Process *process = m_interpreter.GetExecutionContext().GetProcessPtr();
|
|
if (process)
|
|
return process->GetPluginCommandObject();
|
|
return nullptr;
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessLoad
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessLoad
|
|
|
|
class CommandObjectProcessLoad : public CommandObjectParsed
|
|
{
|
|
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':
|
|
do_install = true;
|
|
if (option_arg && option_arg[0])
|
|
install_path.SetFile(option_arg, false);
|
|
break;
|
|
default:
|
|
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
do_install = false;
|
|
install_path.Clear();
|
|
}
|
|
|
|
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 do_install;
|
|
FileSpec install_path;
|
|
};
|
|
|
|
CommandObjectProcessLoad (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process load",
|
|
"Load a shared library into the current process.",
|
|
"process load <filename> [<filename> ...]",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused ),
|
|
m_options (interpreter)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessLoad() override = default;
|
|
|
|
Options *
|
|
GetOptions () override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
|
|
const size_t argc = command.GetArgumentCount();
|
|
for (uint32_t i = 0; i < argc; ++i)
|
|
{
|
|
Error error;
|
|
PlatformSP platform = process->GetTarget().GetPlatform();
|
|
const char *image_path = command.GetArgumentAtIndex(i);
|
|
uint32_t image_token = LLDB_INVALID_IMAGE_TOKEN;
|
|
|
|
if (!m_options.do_install)
|
|
{
|
|
FileSpec image_spec (image_path, false);
|
|
platform->ResolveRemotePath(image_spec, image_spec);
|
|
image_token = platform->LoadImage(process, FileSpec(), image_spec, error);
|
|
}
|
|
else if (m_options.install_path)
|
|
{
|
|
FileSpec image_spec (image_path, true);
|
|
platform->ResolveRemotePath(m_options.install_path, m_options.install_path);
|
|
image_token = platform->LoadImage(process, image_spec, m_options.install_path, error);
|
|
}
|
|
else
|
|
{
|
|
FileSpec image_spec (image_path, true);
|
|
image_token = platform->LoadImage(process, image_spec, FileSpec(), error);
|
|
}
|
|
|
|
if (image_token != LLDB_INVALID_IMAGE_TOKEN)
|
|
{
|
|
result.AppendMessageWithFormat ("Loading \"%s\"...ok\nImage %u loaded.\n", image_path, image_token);
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("failed to load '%s': %s", image_path, error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectProcessLoad::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_ALL, false, "install", 'i', OptionParser::eOptionalArgument, nullptr, nullptr, 0, eArgTypePath, "Install the shared library to the target. If specified without an argument then the library will installed in the current working directory."},
|
|
{ 0, false, nullptr, 0 , 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessUnload
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessUnload
|
|
|
|
class CommandObjectProcessUnload : public CommandObjectParsed
|
|
{
|
|
public:
|
|
|
|
CommandObjectProcessUnload (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process unload",
|
|
"Unload a shared library from the current process using the index returned by a previous call to \"process load\".",
|
|
"process unload <index>",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched |
|
|
eCommandProcessMustBePaused )
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessUnload() override = default;
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
|
|
const size_t argc = command.GetArgumentCount();
|
|
|
|
for (uint32_t i = 0; i < argc; ++i)
|
|
{
|
|
const char *image_token_cstr = command.GetArgumentAtIndex(i);
|
|
uint32_t image_token = StringConvert::ToUInt32(image_token_cstr, LLDB_INVALID_IMAGE_TOKEN, 0);
|
|
if (image_token == LLDB_INVALID_IMAGE_TOKEN)
|
|
{
|
|
result.AppendErrorWithFormat ("invalid image index argument '%s'", image_token_cstr);
|
|
result.SetStatus (eReturnStatusFailed);
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
Error error (process->GetTarget().GetPlatform()->UnloadImage(process, image_token));
|
|
if (error.Success())
|
|
{
|
|
result.AppendMessageWithFormat ("Unloading shared library with index %u...ok\n", image_token);
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("failed to unload image: %s", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessSignal
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessSignal
|
|
|
|
class CommandObjectProcessSignal : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectProcessSignal (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed(interpreter,
|
|
"process signal",
|
|
"Send a UNIX signal to the current process being debugged.",
|
|
nullptr,
|
|
eCommandRequiresProcess | eCommandTryTargetAPILock)
|
|
{
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData signal_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
signal_arg.arg_type = eArgTypeUnixSignal;
|
|
signal_arg.arg_repetition = eArgRepeatPlain;
|
|
|
|
// There is only one variant this argument could be; put it into the argument entry.
|
|
arg.push_back (signal_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back (arg);
|
|
}
|
|
|
|
~CommandObjectProcessSignal() override = default;
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
|
|
if (command.GetArgumentCount() == 1)
|
|
{
|
|
int signo = LLDB_INVALID_SIGNAL_NUMBER;
|
|
|
|
const char *signal_name = command.GetArgumentAtIndex(0);
|
|
if (::isxdigit (signal_name[0]))
|
|
signo = StringConvert::ToSInt32(signal_name, LLDB_INVALID_SIGNAL_NUMBER, 0);
|
|
else
|
|
signo = process->GetUnixSignals()->GetSignalNumberFromName(signal_name);
|
|
|
|
if (signo == LLDB_INVALID_SIGNAL_NUMBER)
|
|
{
|
|
result.AppendErrorWithFormat ("Invalid signal argument '%s'.\n", command.GetArgumentAtIndex(0));
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
else
|
|
{
|
|
Error error (process->Signal (signo));
|
|
if (error.Success())
|
|
{
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Failed to send signal %i: %s\n", signo, error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat("'%s' takes exactly one signal number argument:\nUsage: %s\n", m_cmd_name.c_str(),
|
|
m_cmd_syntax.c_str());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessInterrupt
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessInterrupt
|
|
|
|
class CommandObjectProcessInterrupt : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectProcessInterrupt (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process interrupt",
|
|
"Interrupt the current process being debugged.",
|
|
"process interrupt",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessInterrupt() override = default;
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
if (process == nullptr)
|
|
{
|
|
result.AppendError ("no process to halt");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (command.GetArgumentCount() == 0)
|
|
{
|
|
bool clear_thread_plans = true;
|
|
Error error(process->Halt (clear_thread_plans));
|
|
if (error.Success())
|
|
{
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Failed to halt process: %s\n", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n",
|
|
m_cmd_name.c_str(),
|
|
m_cmd_syntax.c_str());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessKill
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessKill
|
|
|
|
class CommandObjectProcessKill : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectProcessKill (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process kill",
|
|
"Terminate the current process being debugged.",
|
|
"process kill",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessKill() override = default;
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
if (process == nullptr)
|
|
{
|
|
result.AppendError ("no process to kill");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (command.GetArgumentCount() == 0)
|
|
{
|
|
Error error (process->Destroy(true));
|
|
if (error.Success())
|
|
{
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n",
|
|
m_cmd_name.c_str(),
|
|
m_cmd_syntax.c_str());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessSaveCore
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessSaveCore
|
|
|
|
class CommandObjectProcessSaveCore : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectProcessSaveCore (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process save-core",
|
|
"Save the current process as a core file using an appropriate file type.",
|
|
"process save-core FILE",
|
|
eCommandRequiresProcess |
|
|
eCommandTryTargetAPILock |
|
|
eCommandProcessMustBeLaunched)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessSaveCore() override = default;
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command,
|
|
CommandReturnObject &result) override
|
|
{
|
|
ProcessSP process_sp = m_exe_ctx.GetProcessSP();
|
|
if (process_sp)
|
|
{
|
|
if (command.GetArgumentCount() == 1)
|
|
{
|
|
FileSpec output_file(command.GetArgumentAtIndex(0), false);
|
|
Error error = PluginManager::SaveCore(process_sp, output_file);
|
|
if (error.Success())
|
|
{
|
|
result.SetStatus (eReturnStatusSuccessFinishResult);
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Failed to save core file for process: %s\n", error.AsCString());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("'%s' takes one arguments:\nUsage: %s\n",
|
|
m_cmd_name.c_str(),
|
|
m_cmd_syntax.c_str());
|
|
result.SetStatus (eReturnStatusFailed);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result.AppendError ("invalid process");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessStatus
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessStatus
|
|
|
|
class CommandObjectProcessStatus : public CommandObjectParsed
|
|
{
|
|
public:
|
|
CommandObjectProcessStatus (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed (interpreter,
|
|
"process status",
|
|
"Show the current status and location of executing process.",
|
|
"process status",
|
|
eCommandRequiresProcess | eCommandTryTargetAPILock)
|
|
{
|
|
}
|
|
|
|
~CommandObjectProcessStatus() override = default;
|
|
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Stream &strm = result.GetOutputStream();
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
// No need to check "process" for validity as eCommandRequiresProcess ensures it is valid
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
const bool only_threads_with_stop_reason = true;
|
|
const uint32_t start_frame = 0;
|
|
const uint32_t num_frames = 1;
|
|
const uint32_t num_frames_with_source = 1;
|
|
process->GetStatus(strm);
|
|
process->GetThreadStatus (strm,
|
|
only_threads_with_stop_reason,
|
|
start_frame,
|
|
num_frames,
|
|
num_frames_with_source);
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessHandle
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessHandle
|
|
|
|
class CommandObjectProcessHandle : public CommandObjectParsed
|
|
{
|
|
public:
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options (interpreter)
|
|
{
|
|
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 's':
|
|
stop = option_arg;
|
|
break;
|
|
case 'n':
|
|
notify = option_arg;
|
|
break;
|
|
case 'p':
|
|
pass = option_arg;
|
|
break;
|
|
default:
|
|
error.SetErrorStringWithFormat("invalid short option character '%c'", short_option);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void
|
|
OptionParsingStarting () override
|
|
{
|
|
stop.clear();
|
|
notify.clear();
|
|
pass.clear();
|
|
}
|
|
|
|
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.
|
|
|
|
std::string stop;
|
|
std::string notify;
|
|
std::string pass;
|
|
};
|
|
|
|
CommandObjectProcessHandle (CommandInterpreter &interpreter) :
|
|
CommandObjectParsed(interpreter,
|
|
"process handle",
|
|
"Show or update what the process and debugger should do with various signals received from the OS.",
|
|
nullptr),
|
|
m_options (interpreter)
|
|
{
|
|
SetHelpLong ("\nIf no signals are specified, update them all. If no update "
|
|
"option is specified, list the current values.");
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData signal_arg;
|
|
|
|
signal_arg.arg_type = eArgTypeUnixSignal;
|
|
signal_arg.arg_repetition = eArgRepeatStar;
|
|
|
|
arg.push_back (signal_arg);
|
|
|
|
m_arguments.push_back (arg);
|
|
}
|
|
|
|
~CommandObjectProcessHandle() override = default;
|
|
|
|
Options *
|
|
GetOptions () override
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
bool
|
|
VerifyCommandOptionValue (const std::string &option, int &real_value)
|
|
{
|
|
bool okay = true;
|
|
bool success = false;
|
|
bool tmp_value = Args::StringToBoolean (option.c_str(), false, &success);
|
|
|
|
if (success && tmp_value)
|
|
real_value = 1;
|
|
else if (success && !tmp_value)
|
|
real_value = 0;
|
|
else
|
|
{
|
|
// If the value isn't 'true' or 'false', it had better be 0 or 1.
|
|
real_value = StringConvert::ToUInt32 (option.c_str(), 3);
|
|
if (real_value != 0 && real_value != 1)
|
|
okay = false;
|
|
}
|
|
|
|
return okay;
|
|
}
|
|
|
|
void
|
|
PrintSignalHeader (Stream &str)
|
|
{
|
|
str.Printf ("NAME PASS STOP NOTIFY\n");
|
|
str.Printf ("=========== ===== ===== ======\n");
|
|
}
|
|
|
|
void
|
|
PrintSignal(Stream &str, int32_t signo, const char *sig_name, const UnixSignalsSP &signals_sp)
|
|
{
|
|
bool stop;
|
|
bool suppress;
|
|
bool notify;
|
|
|
|
str.Printf ("%-11s ", sig_name);
|
|
if (signals_sp->GetSignalInfo(signo, suppress, stop, notify))
|
|
{
|
|
bool pass = !suppress;
|
|
str.Printf ("%s %s %s",
|
|
(pass ? "true " : "false"),
|
|
(stop ? "true " : "false"),
|
|
(notify ? "true " : "false"));
|
|
}
|
|
str.Printf ("\n");
|
|
}
|
|
|
|
void
|
|
PrintSignalInformation(Stream &str, Args &signal_args, int num_valid_signals, const UnixSignalsSP &signals_sp)
|
|
{
|
|
PrintSignalHeader (str);
|
|
|
|
if (num_valid_signals > 0)
|
|
{
|
|
size_t num_args = signal_args.GetArgumentCount();
|
|
for (size_t i = 0; i < num_args; ++i)
|
|
{
|
|
int32_t signo = signals_sp->GetSignalNumberFromName(signal_args.GetArgumentAtIndex(i));
|
|
if (signo != LLDB_INVALID_SIGNAL_NUMBER)
|
|
PrintSignal (str, signo, signal_args.GetArgumentAtIndex (i), signals_sp);
|
|
}
|
|
}
|
|
else // Print info for ALL signals
|
|
{
|
|
int32_t signo = signals_sp->GetFirstSignalNumber();
|
|
while (signo != LLDB_INVALID_SIGNAL_NUMBER)
|
|
{
|
|
PrintSignal(str, signo, signals_sp->GetSignalAsCString(signo), signals_sp);
|
|
signo = signals_sp->GetNextSignalNumber(signo);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args &signal_args, CommandReturnObject &result) override
|
|
{
|
|
TargetSP target_sp = m_interpreter.GetDebugger().GetSelectedTarget();
|
|
|
|
if (!target_sp)
|
|
{
|
|
result.AppendError ("No current target;"
|
|
" cannot handle signals until you have a valid target and process.\n");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
ProcessSP process_sp = target_sp->GetProcessSP();
|
|
|
|
if (!process_sp)
|
|
{
|
|
result.AppendError ("No current process; cannot handle signals until you have a valid process.\n");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
int stop_action = -1; // -1 means leave the current setting alone
|
|
int pass_action = -1; // -1 means leave the current setting alone
|
|
int notify_action = -1; // -1 means leave the current setting alone
|
|
|
|
if (! m_options.stop.empty()
|
|
&& ! VerifyCommandOptionValue (m_options.stop, stop_action))
|
|
{
|
|
result.AppendError ("Invalid argument for command option --stop; must be true or false.\n");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (! m_options.notify.empty()
|
|
&& ! VerifyCommandOptionValue (m_options.notify, notify_action))
|
|
{
|
|
result.AppendError ("Invalid argument for command option --notify; must be true or false.\n");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (! m_options.pass.empty()
|
|
&& ! VerifyCommandOptionValue (m_options.pass, pass_action))
|
|
{
|
|
result.AppendError ("Invalid argument for command option --pass; must be true or false.\n");
|
|
result.SetStatus (eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
size_t num_args = signal_args.GetArgumentCount();
|
|
UnixSignalsSP signals_sp = process_sp->GetUnixSignals();
|
|
int num_signals_set = 0;
|
|
|
|
if (num_args > 0)
|
|
{
|
|
for (size_t i = 0; i < num_args; ++i)
|
|
{
|
|
int32_t signo = signals_sp->GetSignalNumberFromName(signal_args.GetArgumentAtIndex(i));
|
|
if (signo != LLDB_INVALID_SIGNAL_NUMBER)
|
|
{
|
|
// Casting the actions as bools here should be okay, because VerifyCommandOptionValue guarantees
|
|
// the value is either 0 or 1.
|
|
if (stop_action != -1)
|
|
signals_sp->SetShouldStop(signo, stop_action);
|
|
if (pass_action != -1)
|
|
{
|
|
bool suppress = !pass_action;
|
|
signals_sp->SetShouldSuppress(signo, suppress);
|
|
}
|
|
if (notify_action != -1)
|
|
signals_sp->SetShouldNotify(signo, notify_action);
|
|
++num_signals_set;
|
|
}
|
|
else
|
|
{
|
|
result.AppendErrorWithFormat ("Invalid signal name '%s'\n", signal_args.GetArgumentAtIndex (i));
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// No signal specified, if any command options were specified, update ALL signals.
|
|
if ((notify_action != -1) || (stop_action != -1) || (pass_action != -1))
|
|
{
|
|
if (m_interpreter.Confirm ("Do you really want to update all the signals?", false))
|
|
{
|
|
int32_t signo = signals_sp->GetFirstSignalNumber();
|
|
while (signo != LLDB_INVALID_SIGNAL_NUMBER)
|
|
{
|
|
if (notify_action != -1)
|
|
signals_sp->SetShouldNotify(signo, notify_action);
|
|
if (stop_action != -1)
|
|
signals_sp->SetShouldStop(signo, stop_action);
|
|
if (pass_action != -1)
|
|
{
|
|
bool suppress = !pass_action;
|
|
signals_sp->SetShouldSuppress(signo, suppress);
|
|
}
|
|
signo = signals_sp->GetNextSignalNumber(signo);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
PrintSignalInformation (result.GetOutputStream(), signal_args, num_signals_set, signals_sp);
|
|
|
|
if (num_signals_set > 0)
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
else
|
|
result.SetStatus (eReturnStatusFailed);
|
|
|
|
return result.Succeeded();
|
|
}
|
|
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
OptionDefinition
|
|
CommandObjectProcessHandle::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_1, false, "stop", 's', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Whether or not the process should be stopped if the signal is received." },
|
|
{ LLDB_OPT_SET_1, false, "notify", 'n', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Whether or not the debugger should notify the user if the signal is received." },
|
|
{ LLDB_OPT_SET_1, false, "pass", 'p', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Whether or not the signal should be passed to the process." },
|
|
{ 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectMultiwordProcess
|
|
//-------------------------------------------------------------------------
|
|
|
|
CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter &interpreter) :
|
|
CommandObjectMultiword (interpreter,
|
|
"process",
|
|
"A set of commands for operating on a process.",
|
|
"process <subcommand> [<subcommand-options>]")
|
|
{
|
|
LoadSubCommand ("attach", CommandObjectSP (new CommandObjectProcessAttach (interpreter)));
|
|
LoadSubCommand ("launch", CommandObjectSP (new CommandObjectProcessLaunch (interpreter)));
|
|
LoadSubCommand ("continue", CommandObjectSP (new CommandObjectProcessContinue (interpreter)));
|
|
LoadSubCommand ("connect", CommandObjectSP (new CommandObjectProcessConnect (interpreter)));
|
|
LoadSubCommand ("detach", CommandObjectSP (new CommandObjectProcessDetach (interpreter)));
|
|
LoadSubCommand ("load", CommandObjectSP (new CommandObjectProcessLoad (interpreter)));
|
|
LoadSubCommand ("unload", CommandObjectSP (new CommandObjectProcessUnload (interpreter)));
|
|
LoadSubCommand ("signal", CommandObjectSP (new CommandObjectProcessSignal (interpreter)));
|
|
LoadSubCommand ("handle", CommandObjectSP (new CommandObjectProcessHandle (interpreter)));
|
|
LoadSubCommand ("status", CommandObjectSP (new CommandObjectProcessStatus (interpreter)));
|
|
LoadSubCommand ("interrupt", CommandObjectSP (new CommandObjectProcessInterrupt (interpreter)));
|
|
LoadSubCommand ("kill", CommandObjectSP (new CommandObjectProcessKill (interpreter)));
|
|
LoadSubCommand ("plugin", CommandObjectSP (new CommandObjectProcessPlugin (interpreter)));
|
|
LoadSubCommand ("save-core", CommandObjectSP (new CommandObjectProcessSaveCore (interpreter)));
|
|
}
|
|
|
|
CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess() = default;
|