mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2025-05-14 09:56:33 +00:00
962260c852
Batch mode is supposed to stop execution and return control to the user when an exceptional stop occurs (crash, signal or instrumentation). But attach always stops with a SIGSTOP on OSX (maybe on Linux too?) which would short circuit the rest of the commands given. This change allows a command result object to indicate that it expected to leave the process stopped with an exceptional stop reason, and it is okay for batch mode to keep going. <rdar://problem/22243143> llvm-svn: 257120
1984 lines
72 KiB
C++
1984 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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#include "CommandObjectProcess.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/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 {}
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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 = NULL;
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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 = NULL;
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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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NULL,
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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
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{
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}
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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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NULL,
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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 NULL, users aren't allows to launch
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ModuleSP exe_module_sp = target->GetExecutableModule();
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if (exe_module_sp == NULL)
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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, NULL, 0, eArgTypeNone, "Stop at the entry point of the program when launching a process."},
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//{ SET1 , false, "stdin", 'i', OptionParser::eRequiredArgument, NULL, 0, eArgTypeDirectoryName, "Redirect stdin for the process to <path>."},
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//{ SET1 , false, "stdout", 'o', OptionParser::eRequiredArgument, NULL, 0, eArgTypeDirectoryName, "Redirect stdout for the process to <path>."},
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//{ SET1 , false, "stderr", 'e', OptionParser::eRequiredArgument, NULL, 0, eArgTypeDirectoryName, "Redirect stderr for the process to <path>."},
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//{ SET1 | SET2 | SET3, false, "plugin", 'p', OptionParser::eRequiredArgument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
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//{ SET2 , false, "tty", 't', OptionParser::eOptionalArgument, NULL, 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, NULL, 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, NULL, 0, eArgTypeDirectoryName, "Set the current working directory to <path> when running the inferior."},
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//{ 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL }
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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
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{
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}
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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 = NULL;
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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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// 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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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",
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"Attach to a process.",
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"process attach <cmd-options>",
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0,
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"attach"),
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m_options (interpreter)
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{
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}
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~CommandObjectProcessAttach () override
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{
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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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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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if (target == NULL)
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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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NULL,
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NULL,
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false,
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NULL, // No platform options
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new_target_sp);
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target = new_target_sp.get();
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if (target == NULL || error.Fail())
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|
{
|
|
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, NULL, NULL, 0, eArgTypeNone, "Immediately continue the process once attached."},
|
|
{ LLDB_OPT_SET_ALL, false, "plugin", 'P', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
|
|
{ LLDB_OPT_SET_1, false, "pid", 'p', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypePid, "The process ID of an existing process to attach to."},
|
|
{ LLDB_OPT_SET_2, false, "name", 'n', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeProcessName, "The name of the process to attach to."},
|
|
{ LLDB_OPT_SET_2, false, "include-existing", 'i', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone, "Include existing processes when doing attach -w."},
|
|
{ LLDB_OPT_SET_2, false, "waitfor", 'w', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone, "Wait for the process with <process-name> to launch."},
|
|
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// 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
|
|
{
|
|
}
|
|
|
|
protected:
|
|
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options(interpreter)
|
|
{
|
|
// Keep default values of all options in one place: OptionParsingStarting ()
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions () override
|
|
{
|
|
}
|
|
|
|
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(process->GetThreadList().GetSelectedThread());
|
|
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, NULL, NULL, 0, eArgTypeUnsignedInteger,
|
|
"Ignore <N> crossings of the breakpoint (if it exists) for the currently selected thread."},
|
|
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectProcessDetach
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark CommandObjectProcessDetach
|
|
|
|
class CommandObjectProcessDetach : public CommandObjectParsed
|
|
{
|
|
public:
|
|
class CommandOptions : public Options
|
|
{
|
|
public:
|
|
|
|
CommandOptions (CommandInterpreter &interpreter) :
|
|
Options (interpreter)
|
|
{
|
|
OptionParsingStarting ();
|
|
}
|
|
|
|
~CommandOptions () override
|
|
{
|
|
}
|
|
|
|
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
|
|
{
|
|
}
|
|
|
|
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:
|
|
if (process->GetDetachKeepsStopped())
|
|
keep_stopped = true;
|
|
else
|
|
keep_stopped = false;
|
|
}
|
|
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, NULL, NULL, 0, eArgTypeBoolean, "Whether or not the process should be kept stopped on detach (if possible)." },
|
|
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// 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
|
|
{
|
|
}
|
|
|
|
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
|
|
{
|
|
}
|
|
|
|
|
|
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, NULL, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."},
|
|
{ 0, false, NULL, 0 , 0, NULL, NULL, 0, eArgTypeNone, NULL }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// 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
|
|
{
|
|
}
|
|
|
|
CommandObject *
|
|
GetProxyCommandObject() override
|
|
{
|
|
Process *process = m_interpreter.GetExecutionContext().GetProcessPtr();
|
|
if (process)
|
|
return process->GetPluginCommandObject();
|
|
return NULL;
|
|
}
|
|
};
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
// 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
|
|
{
|
|
}
|
|
|
|
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.",
|
|
NULL,
|
|
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
|
|
{
|
|
}
|
|
|
|
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
|
|
{
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
if (process == NULL)
|
|
{
|
|
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
|
|
{
|
|
}
|
|
|
|
protected:
|
|
bool
|
|
DoExecute (Args& command, CommandReturnObject &result) override
|
|
{
|
|
Process *process = m_exe_ctx.GetProcessPtr();
|
|
if (process == NULL)
|
|
{
|
|
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
|
|
{
|
|
}
|
|
|
|
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
|
|
{
|
|
}
|
|
|
|
|
|
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
|
|
{
|
|
}
|
|
|
|
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.",
|
|
NULL),
|
|
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
|
|
{
|
|
}
|
|
|
|
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, NULL, NULL, 0, eArgTypeBoolean, "Whether or not the process should be stopped if the signal is received." },
|
|
{ LLDB_OPT_SET_1, false, "notify", 'n', OptionParser::eRequiredArgument, NULL, NULL, 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, NULL, NULL, 0, eArgTypeBoolean, "Whether or not the signal should be passed to the process." },
|
|
{ 0, false, NULL, 0, 0, NULL, NULL, 0, eArgTypeNone, NULL }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// 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 ()
|
|
{
|
|
}
|
|
|