forked from OSchip/llvm-project
760 lines
28 KiB
C++
760 lines
28 KiB
C++
//===-- CommandObjectBreakpointCommand.cpp ----------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// C Includes
|
|
// C++ Includes
|
|
// Other libraries and framework includes
|
|
// Project includes
|
|
#include "CommandObjectBreakpointCommand.h"
|
|
#include "CommandObjectBreakpoint.h"
|
|
#include "lldb/Breakpoint/Breakpoint.h"
|
|
#include "lldb/Breakpoint/BreakpointIDList.h"
|
|
#include "lldb/Breakpoint/BreakpointLocation.h"
|
|
#include "lldb/Breakpoint/StoppointCallbackContext.h"
|
|
#include "lldb/Core/IOHandler.h"
|
|
#include "lldb/Core/State.h"
|
|
#include "lldb/Interpreter/CommandInterpreter.h"
|
|
#include "lldb/Interpreter/CommandReturnObject.h"
|
|
#include "lldb/Target/Target.h"
|
|
#include "lldb/Target/Thread.h"
|
|
|
|
#include "llvm/ADT/STLExtras.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectBreakpointCommandAdd
|
|
//-------------------------------------------------------------------------
|
|
|
|
// FIXME: "script-type" needs to have its contents determined dynamically, so
|
|
// somebody can add a new scripting
|
|
// language to lldb and have it pickable here without having to change this
|
|
// enumeration by hand and rebuild lldb proper.
|
|
|
|
static OptionEnumValueElement g_script_option_enumeration[4] = {
|
|
{eScriptLanguageNone, "command",
|
|
"Commands are in the lldb command interpreter language"},
|
|
{eScriptLanguagePython, "python", "Commands are in the Python language."},
|
|
{eSortOrderByName, "default-script",
|
|
"Commands are in the default scripting language."},
|
|
{0, nullptr, nullptr}};
|
|
|
|
static OptionDefinition g_breakpoint_add_options[] = {
|
|
// clang-format off
|
|
{ LLDB_OPT_SET_1, false, "one-liner", 'o', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeOneLiner, "Specify a one-line breakpoint command inline. Be sure to surround it with quotes." },
|
|
{ LLDB_OPT_SET_ALL, false, "stop-on-error", 'e', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Specify whether breakpoint command execution should terminate on error." },
|
|
{ LLDB_OPT_SET_ALL, false, "script-type", 's', OptionParser::eRequiredArgument, nullptr, g_script_option_enumeration, 0, eArgTypeNone, "Specify the language for the commands - if none is specified, the lldb command interpreter will be used." },
|
|
{ LLDB_OPT_SET_2, false, "python-function", 'F', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypePythonFunction, "Give the name of a Python function to run as command for this breakpoint. Be sure to give a module name if appropriate." },
|
|
{ LLDB_OPT_SET_ALL, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Sets Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets." },
|
|
// clang-format on
|
|
};
|
|
|
|
class CommandObjectBreakpointCommandAdd : public CommandObjectParsed,
|
|
public IOHandlerDelegateMultiline {
|
|
public:
|
|
CommandObjectBreakpointCommandAdd(CommandInterpreter &interpreter)
|
|
: CommandObjectParsed(interpreter, "add",
|
|
"Add LLDB commands to a breakpoint, to be executed "
|
|
"whenever the breakpoint is hit."
|
|
" If no breakpoint is specified, adds the "
|
|
"commands to the last created breakpoint.",
|
|
nullptr),
|
|
IOHandlerDelegateMultiline("DONE",
|
|
IOHandlerDelegate::Completion::LLDBCommand),
|
|
m_options() {
|
|
SetHelpLong(
|
|
R"(
|
|
General information about entering breakpoint commands
|
|
------------------------------------------------------
|
|
|
|
)"
|
|
"This command will prompt for commands to be executed when the specified \
|
|
breakpoint is hit. Each command is typed on its own line following the '> ' \
|
|
prompt until 'DONE' is entered."
|
|
R"(
|
|
|
|
)"
|
|
"Syntactic errors may not be detected when initially entered, and many \
|
|
malformed commands can silently fail when executed. If your breakpoint commands \
|
|
do not appear to be executing, double-check the command syntax."
|
|
R"(
|
|
|
|
)"
|
|
"Note: You may enter any debugger command exactly as you would at the debugger \
|
|
prompt. There is no limit to the number of commands supplied, but do NOT enter \
|
|
more than one command per line."
|
|
R"(
|
|
|
|
Special information about PYTHON breakpoint commands
|
|
----------------------------------------------------
|
|
|
|
)"
|
|
"You may enter either one or more lines of Python, including function \
|
|
definitions or calls to functions that will have been imported by the time \
|
|
the code executes. Single line breakpoint commands will be interpreted 'as is' \
|
|
when the breakpoint is hit. Multiple lines of Python will be wrapped in a \
|
|
generated function, and a call to the function will be attached to the breakpoint."
|
|
R"(
|
|
|
|
This auto-generated function is passed in three arguments:
|
|
|
|
frame: an lldb.SBFrame object for the frame which hit breakpoint.
|
|
|
|
bp_loc: an lldb.SBBreakpointLocation object that represents the breakpoint location that was hit.
|
|
|
|
dict: the python session dictionary hit.
|
|
|
|
)"
|
|
"When specifying a python function with the --python-function option, you need \
|
|
to supply the function name prepended by the module name:"
|
|
R"(
|
|
|
|
--python-function myutils.breakpoint_callback
|
|
|
|
The function itself must have the following prototype:
|
|
|
|
def breakpoint_callback(frame, bp_loc, dict):
|
|
# Your code goes here
|
|
|
|
)"
|
|
"The arguments are the same as the arguments passed to generated functions as \
|
|
described above. Note that the global variable 'lldb.frame' will NOT be updated when \
|
|
this function is called, so be sure to use the 'frame' argument. The 'frame' argument \
|
|
can get you to the thread via frame.GetThread(), the thread can get you to the \
|
|
process via thread.GetProcess(), and the process can get you back to the target \
|
|
via process.GetTarget()."
|
|
R"(
|
|
|
|
)"
|
|
"Important Note: As Python code gets collected into functions, access to global \
|
|
variables requires explicit scoping using the 'global' keyword. Be sure to use correct \
|
|
Python syntax, including indentation, when entering Python breakpoint commands."
|
|
R"(
|
|
|
|
Example Python one-line breakpoint command:
|
|
|
|
(lldb) breakpoint command add -s python 1
|
|
Enter your Python command(s). Type 'DONE' to end.
|
|
> print "Hit this breakpoint!"
|
|
> DONE
|
|
|
|
As a convenience, this also works for a short Python one-liner:
|
|
|
|
(lldb) breakpoint command add -s python 1 -o 'import time; print time.asctime()'
|
|
(lldb) run
|
|
Launching '.../a.out' (x86_64)
|
|
(lldb) Fri Sep 10 12:17:45 2010
|
|
Process 21778 Stopped
|
|
* thread #1: tid = 0x2e03, 0x0000000100000de8 a.out`c + 7 at main.c:39, stop reason = breakpoint 1.1, queue = com.apple.main-thread
|
|
36
|
|
37 int c(int val)
|
|
38 {
|
|
39 -> return val + 3;
|
|
40 }
|
|
41
|
|
42 int main (int argc, char const *argv[])
|
|
|
|
Example multiple line Python breakpoint command:
|
|
|
|
(lldb) breakpoint command add -s p 1
|
|
Enter your Python command(s). Type 'DONE' to end.
|
|
> global bp_count
|
|
> bp_count = bp_count + 1
|
|
> print "Hit this breakpoint " + repr(bp_count) + " times!"
|
|
> DONE
|
|
|
|
Example multiple line Python breakpoint command, using function definition:
|
|
|
|
(lldb) breakpoint command add -s python 1
|
|
Enter your Python command(s). Type 'DONE' to end.
|
|
> def breakpoint_output (bp_no):
|
|
> out_string = "Hit breakpoint number " + repr (bp_no)
|
|
> print out_string
|
|
> return True
|
|
> breakpoint_output (1)
|
|
> DONE
|
|
|
|
)"
|
|
"In this case, since there is a reference to a global variable, \
|
|
'bp_count', you will also need to make sure 'bp_count' exists and is \
|
|
initialized:"
|
|
R"(
|
|
|
|
(lldb) script
|
|
>>> bp_count = 0
|
|
>>> quit()
|
|
|
|
)"
|
|
"Your Python code, however organized, can optionally return a value. \
|
|
If the returned value is False, that tells LLDB not to stop at the breakpoint \
|
|
to which the code is associated. Returning anything other than False, or even \
|
|
returning None, or even omitting a return statement entirely, will cause \
|
|
LLDB to stop."
|
|
R"(
|
|
|
|
)"
|
|
"Final Note: A warning that no breakpoint command was generated when there \
|
|
are no syntax errors may indicate that a function was declared but never called.");
|
|
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData bp_id_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
bp_id_arg.arg_type = eArgTypeBreakpointID;
|
|
bp_id_arg.arg_repetition = eArgRepeatOptional;
|
|
|
|
// There is only one variant this argument could be; put it into the
|
|
// argument entry.
|
|
arg.push_back(bp_id_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back(arg);
|
|
}
|
|
|
|
~CommandObjectBreakpointCommandAdd() override = default;
|
|
|
|
Options *GetOptions() override { return &m_options; }
|
|
|
|
void IOHandlerActivated(IOHandler &io_handler) override {
|
|
StreamFileSP output_sp(io_handler.GetOutputStreamFile());
|
|
if (output_sp) {
|
|
output_sp->PutCString(g_reader_instructions);
|
|
output_sp->Flush();
|
|
}
|
|
}
|
|
|
|
void IOHandlerInputComplete(IOHandler &io_handler,
|
|
std::string &line) override {
|
|
io_handler.SetIsDone(true);
|
|
|
|
std::vector<BreakpointOptions *> *bp_options_vec =
|
|
(std::vector<BreakpointOptions *> *)io_handler.GetUserData();
|
|
for (BreakpointOptions *bp_options : *bp_options_vec) {
|
|
if (!bp_options)
|
|
continue;
|
|
|
|
auto cmd_data = llvm::make_unique<BreakpointOptions::CommandData>();
|
|
cmd_data->user_source.SplitIntoLines(line.c_str(), line.size());
|
|
bp_options->SetCommandDataCallback(cmd_data);
|
|
}
|
|
}
|
|
|
|
void CollectDataForBreakpointCommandCallback(
|
|
std::vector<BreakpointOptions *> &bp_options_vec,
|
|
CommandReturnObject &result) {
|
|
m_interpreter.GetLLDBCommandsFromIOHandler(
|
|
"> ", // Prompt
|
|
*this, // IOHandlerDelegate
|
|
true, // Run IOHandler in async mode
|
|
&bp_options_vec); // Baton for the "io_handler" that will be passed back
|
|
// into our IOHandlerDelegate functions
|
|
}
|
|
|
|
/// Set a one-liner as the callback for the breakpoint.
|
|
void
|
|
SetBreakpointCommandCallback(std::vector<BreakpointOptions *> &bp_options_vec,
|
|
const char *oneliner) {
|
|
for (auto bp_options : bp_options_vec) {
|
|
auto cmd_data = llvm::make_unique<BreakpointOptions::CommandData>();
|
|
|
|
// It's necessary to set both user_source and script_source to the
|
|
// oneliner.
|
|
// The former is used to generate callback description (as in breakpoint
|
|
// command list)
|
|
// while the latter is used for Python to interpret during the actual
|
|
// callback.
|
|
cmd_data->user_source.AppendString(oneliner);
|
|
cmd_data->script_source.assign(oneliner);
|
|
cmd_data->stop_on_error = m_options.m_stop_on_error;
|
|
|
|
bp_options->SetCommandDataCallback(cmd_data);
|
|
}
|
|
}
|
|
|
|
class CommandOptions : public Options {
|
|
public:
|
|
CommandOptions()
|
|
: Options(), m_use_commands(false), m_use_script_language(false),
|
|
m_script_language(eScriptLanguageNone), m_use_one_liner(false),
|
|
m_one_liner(), m_function_name() {}
|
|
|
|
~CommandOptions() override = default;
|
|
|
|
Error SetOptionValue(uint32_t option_idx, const char *option_arg,
|
|
ExecutionContext *execution_context) override {
|
|
Error error;
|
|
const int short_option = m_getopt_table[option_idx].val;
|
|
auto option_strref = llvm::StringRef::withNullAsEmpty(option_arg);
|
|
|
|
switch (short_option) {
|
|
case 'o':
|
|
m_use_one_liner = true;
|
|
m_one_liner = option_arg;
|
|
break;
|
|
|
|
case 's':
|
|
m_script_language = (lldb::ScriptLanguage)Args::StringToOptionEnum(
|
|
option_arg, g_breakpoint_add_options[option_idx].enum_values,
|
|
eScriptLanguageNone, error);
|
|
|
|
if (m_script_language == eScriptLanguagePython ||
|
|
m_script_language == eScriptLanguageDefault) {
|
|
m_use_script_language = true;
|
|
} else {
|
|
m_use_script_language = false;
|
|
}
|
|
break;
|
|
|
|
case 'e': {
|
|
bool success = false;
|
|
m_stop_on_error = Args::StringToBoolean(option_strref, false, &success);
|
|
if (!success)
|
|
error.SetErrorStringWithFormat(
|
|
"invalid value for stop-on-error: \"%s\"", option_arg);
|
|
} break;
|
|
|
|
case 'F':
|
|
m_use_one_liner = false;
|
|
m_use_script_language = true;
|
|
m_function_name.assign(option_arg);
|
|
break;
|
|
|
|
case 'D':
|
|
m_use_dummy = true;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
void OptionParsingStarting(ExecutionContext *execution_context) override {
|
|
m_use_commands = true;
|
|
m_use_script_language = false;
|
|
m_script_language = eScriptLanguageNone;
|
|
|
|
m_use_one_liner = false;
|
|
m_stop_on_error = true;
|
|
m_one_liner.clear();
|
|
m_function_name.clear();
|
|
m_use_dummy = false;
|
|
}
|
|
|
|
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
|
|
return g_breakpoint_add_options;
|
|
}
|
|
|
|
// Instance variables to hold the values for command options.
|
|
|
|
bool m_use_commands;
|
|
bool m_use_script_language;
|
|
lldb::ScriptLanguage m_script_language;
|
|
|
|
// Instance variables to hold the values for one_liner options.
|
|
bool m_use_one_liner;
|
|
std::string m_one_liner;
|
|
bool m_stop_on_error;
|
|
std::string m_function_name;
|
|
bool m_use_dummy;
|
|
};
|
|
|
|
protected:
|
|
bool DoExecute(Args &command, CommandReturnObject &result) override {
|
|
Target *target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
|
|
|
|
if (target == nullptr) {
|
|
result.AppendError("There is not a current executable; there are no "
|
|
"breakpoints to which to add commands");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
const BreakpointList &breakpoints = target->GetBreakpointList();
|
|
size_t num_breakpoints = breakpoints.GetSize();
|
|
|
|
if (num_breakpoints == 0) {
|
|
result.AppendError("No breakpoints exist to have commands added");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (!m_options.m_use_script_language &&
|
|
!m_options.m_function_name.empty()) {
|
|
result.AppendError("need to enable scripting to have a function run as a "
|
|
"breakpoint command");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
BreakpointIDList valid_bp_ids;
|
|
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
|
|
command, target, result, &valid_bp_ids);
|
|
|
|
m_bp_options_vec.clear();
|
|
|
|
if (result.Succeeded()) {
|
|
const size_t count = valid_bp_ids.GetSize();
|
|
|
|
for (size_t i = 0; i < count; ++i) {
|
|
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
|
|
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
|
|
Breakpoint *bp =
|
|
target->GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
|
|
BreakpointOptions *bp_options = nullptr;
|
|
if (cur_bp_id.GetLocationID() == LLDB_INVALID_BREAK_ID) {
|
|
// This breakpoint does not have an associated location.
|
|
bp_options = bp->GetOptions();
|
|
} else {
|
|
BreakpointLocationSP bp_loc_sp(
|
|
bp->FindLocationByID(cur_bp_id.GetLocationID()));
|
|
// This breakpoint does have an associated location.
|
|
// Get its breakpoint options.
|
|
if (bp_loc_sp)
|
|
bp_options = bp_loc_sp->GetLocationOptions();
|
|
}
|
|
if (bp_options)
|
|
m_bp_options_vec.push_back(bp_options);
|
|
}
|
|
}
|
|
|
|
// If we are using script language, get the script interpreter
|
|
// in order to set or collect command callback. Otherwise, call
|
|
// the methods associated with this object.
|
|
if (m_options.m_use_script_language) {
|
|
ScriptInterpreter *script_interp = m_interpreter.GetScriptInterpreter();
|
|
// Special handling for one-liner specified inline.
|
|
if (m_options.m_use_one_liner) {
|
|
script_interp->SetBreakpointCommandCallback(
|
|
m_bp_options_vec, m_options.m_one_liner.c_str());
|
|
} else if (!m_options.m_function_name.empty()) {
|
|
script_interp->SetBreakpointCommandCallbackFunction(
|
|
m_bp_options_vec, m_options.m_function_name.c_str());
|
|
} else {
|
|
script_interp->CollectDataForBreakpointCommandCallback(
|
|
m_bp_options_vec, result);
|
|
}
|
|
} else {
|
|
// Special handling for one-liner specified inline.
|
|
if (m_options.m_use_one_liner)
|
|
SetBreakpointCommandCallback(m_bp_options_vec,
|
|
m_options.m_one_liner.c_str());
|
|
else
|
|
CollectDataForBreakpointCommandCallback(m_bp_options_vec, result);
|
|
}
|
|
}
|
|
|
|
return result.Succeeded();
|
|
}
|
|
|
|
private:
|
|
CommandOptions m_options;
|
|
std::vector<BreakpointOptions *> m_bp_options_vec; // This stores the
|
|
// breakpoint options that
|
|
// we are currently
|
|
// collecting commands for. In the CollectData... calls we need
|
|
// to hand this off to the IOHandler, which may run asynchronously.
|
|
// So we have to have some way to keep it alive, and not leak it.
|
|
// Making it an ivar of the command object, which never goes away
|
|
// achieves this. Note that if we were able to run
|
|
// the same command concurrently in one interpreter we'd have to
|
|
// make this "per invocation". But there are many more reasons
|
|
// why it is not in general safe to do that in lldb at present,
|
|
// so it isn't worthwhile to come up with a more complex mechanism
|
|
// to address this particular weakness right now.
|
|
static const char *g_reader_instructions;
|
|
};
|
|
|
|
const char *CommandObjectBreakpointCommandAdd::g_reader_instructions =
|
|
"Enter your debugger command(s). Type 'DONE' to end.\n";
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectBreakpointCommandDelete
|
|
//-------------------------------------------------------------------------
|
|
|
|
static OptionDefinition g_breakpoint_delete_options[] = {
|
|
// clang-format off
|
|
{ LLDB_OPT_SET_1, false, "dummy-breakpoints", 'D', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Delete commands from Dummy breakpoints - i.e. breakpoints set before a file is provided, which prime new targets." },
|
|
// clang-format on
|
|
};
|
|
|
|
class CommandObjectBreakpointCommandDelete : public CommandObjectParsed {
|
|
public:
|
|
CommandObjectBreakpointCommandDelete(CommandInterpreter &interpreter)
|
|
: CommandObjectParsed(interpreter, "delete",
|
|
"Delete the set of commands from a breakpoint.",
|
|
nullptr),
|
|
m_options() {
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData bp_id_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
bp_id_arg.arg_type = eArgTypeBreakpointID;
|
|
bp_id_arg.arg_repetition = eArgRepeatPlain;
|
|
|
|
// There is only one variant this argument could be; put it into the
|
|
// argument entry.
|
|
arg.push_back(bp_id_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back(arg);
|
|
}
|
|
|
|
~CommandObjectBreakpointCommandDelete() override = default;
|
|
|
|
Options *GetOptions() override { return &m_options; }
|
|
|
|
class CommandOptions : public Options {
|
|
public:
|
|
CommandOptions() : Options(), m_use_dummy(false) {}
|
|
|
|
~CommandOptions() override = default;
|
|
|
|
Error SetOptionValue(uint32_t option_idx, const char *option_arg,
|
|
ExecutionContext *execution_context) override {
|
|
Error error;
|
|
const int short_option = m_getopt_table[option_idx].val;
|
|
|
|
switch (short_option) {
|
|
case 'D':
|
|
m_use_dummy = true;
|
|
break;
|
|
|
|
default:
|
|
error.SetErrorStringWithFormat("unrecognized option '%c'",
|
|
short_option);
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
void OptionParsingStarting(ExecutionContext *execution_context) override {
|
|
m_use_dummy = false;
|
|
}
|
|
|
|
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
|
|
return g_breakpoint_delete_options;
|
|
}
|
|
|
|
// Instance variables to hold the values for command options.
|
|
bool m_use_dummy;
|
|
};
|
|
|
|
protected:
|
|
bool DoExecute(Args &command, CommandReturnObject &result) override {
|
|
Target *target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
|
|
|
|
if (target == nullptr) {
|
|
result.AppendError("There is not a current executable; there are no "
|
|
"breakpoints from which to delete commands");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
const BreakpointList &breakpoints = target->GetBreakpointList();
|
|
size_t num_breakpoints = breakpoints.GetSize();
|
|
|
|
if (num_breakpoints == 0) {
|
|
result.AppendError("No breakpoints exist to have commands deleted");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (command.GetArgumentCount() == 0) {
|
|
result.AppendError(
|
|
"No breakpoint specified from which to delete the commands");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
BreakpointIDList valid_bp_ids;
|
|
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
|
|
command, target, result, &valid_bp_ids);
|
|
|
|
if (result.Succeeded()) {
|
|
const size_t count = valid_bp_ids.GetSize();
|
|
for (size_t i = 0; i < count; ++i) {
|
|
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
|
|
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
|
|
Breakpoint *bp =
|
|
target->GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
|
|
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) {
|
|
BreakpointLocationSP bp_loc_sp(
|
|
bp->FindLocationByID(cur_bp_id.GetLocationID()));
|
|
if (bp_loc_sp)
|
|
bp_loc_sp->ClearCallback();
|
|
else {
|
|
result.AppendErrorWithFormat("Invalid breakpoint ID: %u.%u.\n",
|
|
cur_bp_id.GetBreakpointID(),
|
|
cur_bp_id.GetLocationID());
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
} else {
|
|
bp->ClearCallback();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result.Succeeded();
|
|
}
|
|
|
|
private:
|
|
CommandOptions m_options;
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectBreakpointCommandList
|
|
//-------------------------------------------------------------------------
|
|
|
|
class CommandObjectBreakpointCommandList : public CommandObjectParsed {
|
|
public:
|
|
CommandObjectBreakpointCommandList(CommandInterpreter &interpreter)
|
|
: CommandObjectParsed(interpreter, "list", "List the script or set of "
|
|
"commands to be executed when "
|
|
"the breakpoint is hit.",
|
|
nullptr) {
|
|
CommandArgumentEntry arg;
|
|
CommandArgumentData bp_id_arg;
|
|
|
|
// Define the first (and only) variant of this arg.
|
|
bp_id_arg.arg_type = eArgTypeBreakpointID;
|
|
bp_id_arg.arg_repetition = eArgRepeatPlain;
|
|
|
|
// There is only one variant this argument could be; put it into the
|
|
// argument entry.
|
|
arg.push_back(bp_id_arg);
|
|
|
|
// Push the data for the first argument into the m_arguments vector.
|
|
m_arguments.push_back(arg);
|
|
}
|
|
|
|
~CommandObjectBreakpointCommandList() override = default;
|
|
|
|
protected:
|
|
bool DoExecute(Args &command, CommandReturnObject &result) override {
|
|
Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
|
|
|
|
if (target == nullptr) {
|
|
result.AppendError("There is not a current executable; there are no "
|
|
"breakpoints for which to list commands");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
const BreakpointList &breakpoints = target->GetBreakpointList();
|
|
size_t num_breakpoints = breakpoints.GetSize();
|
|
|
|
if (num_breakpoints == 0) {
|
|
result.AppendError("No breakpoints exist for which to list commands");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (command.GetArgumentCount() == 0) {
|
|
result.AppendError(
|
|
"No breakpoint specified for which to list the commands");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
BreakpointIDList valid_bp_ids;
|
|
CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
|
|
command, target, result, &valid_bp_ids);
|
|
|
|
if (result.Succeeded()) {
|
|
const size_t count = valid_bp_ids.GetSize();
|
|
for (size_t i = 0; i < count; ++i) {
|
|
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex(i);
|
|
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
|
|
Breakpoint *bp =
|
|
target->GetBreakpointByID(cur_bp_id.GetBreakpointID()).get();
|
|
|
|
if (bp) {
|
|
const BreakpointOptions *bp_options = nullptr;
|
|
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) {
|
|
BreakpointLocationSP bp_loc_sp(
|
|
bp->FindLocationByID(cur_bp_id.GetLocationID()));
|
|
if (bp_loc_sp)
|
|
bp_options = bp_loc_sp->GetOptionsNoCreate();
|
|
else {
|
|
result.AppendErrorWithFormat("Invalid breakpoint ID: %u.%u.\n",
|
|
cur_bp_id.GetBreakpointID(),
|
|
cur_bp_id.GetLocationID());
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
} else {
|
|
bp_options = bp->GetOptions();
|
|
}
|
|
|
|
if (bp_options) {
|
|
StreamString id_str;
|
|
BreakpointID::GetCanonicalReference(&id_str,
|
|
cur_bp_id.GetBreakpointID(),
|
|
cur_bp_id.GetLocationID());
|
|
const Baton *baton = bp_options->GetBaton();
|
|
if (baton) {
|
|
result.GetOutputStream().Printf("Breakpoint %s:\n",
|
|
id_str.GetData());
|
|
result.GetOutputStream().IndentMore();
|
|
baton->GetDescription(&result.GetOutputStream(),
|
|
eDescriptionLevelFull);
|
|
result.GetOutputStream().IndentLess();
|
|
} else {
|
|
result.AppendMessageWithFormat(
|
|
"Breakpoint %s does not have an associated command.\n",
|
|
id_str.GetData());
|
|
}
|
|
}
|
|
result.SetStatus(eReturnStatusSuccessFinishResult);
|
|
} else {
|
|
result.AppendErrorWithFormat("Invalid breakpoint ID: %u.\n",
|
|
cur_bp_id.GetBreakpointID());
|
|
result.SetStatus(eReturnStatusFailed);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return result.Succeeded();
|
|
}
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectBreakpointCommand
|
|
//-------------------------------------------------------------------------
|
|
|
|
CommandObjectBreakpointCommand::CommandObjectBreakpointCommand(
|
|
CommandInterpreter &interpreter)
|
|
: CommandObjectMultiword(
|
|
interpreter, "command", "Commands for adding, removing and listing "
|
|
"LLDB commands executed when a breakpoint is "
|
|
"hit.",
|
|
"command <sub-command> [<sub-command-options>] <breakpoint-id>") {
|
|
CommandObjectSP add_command_object(
|
|
new CommandObjectBreakpointCommandAdd(interpreter));
|
|
CommandObjectSP delete_command_object(
|
|
new CommandObjectBreakpointCommandDelete(interpreter));
|
|
CommandObjectSP list_command_object(
|
|
new CommandObjectBreakpointCommandList(interpreter));
|
|
|
|
add_command_object->SetCommandName("breakpoint command add");
|
|
delete_command_object->SetCommandName("breakpoint command delete");
|
|
list_command_object->SetCommandName("breakpoint command list");
|
|
|
|
LoadSubCommand("add", add_command_object);
|
|
LoadSubCommand("delete", delete_command_object);
|
|
LoadSubCommand("list", list_command_object);
|
|
}
|
|
|
|
CommandObjectBreakpointCommand::~CommandObjectBreakpointCommand() = default;
|