blob: d24ba8f553b6516bae2920035b9fcc473fb5b104 [file] [log] [blame]
//===-- CommandObjectBreakpoint.cpp -----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "CommandObjectBreakpoint.h"
#include "CommandObjectBreakpointCommand.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointIDList.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Core/RegularExpression.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Target/Target.h"
#include "lldb/Interpreter/CommandCompletions.h"
#include "lldb/Target/StackFrame.h"
using namespace lldb;
using namespace lldb_private;
static void
AddBreakpointDescription (CommandContext *context, StreamString *s, Breakpoint *bp, lldb::DescriptionLevel level)
{
s->IndentMore();
bp->GetDescription (s, level, true);
s->IndentLess();
s->EOL();
}
//-------------------------------------------------------------------------
// CommandObjectBreakpointSet::CommandOptions
//-------------------------------------------------------------------------
CommandObjectBreakpointSet::CommandOptions::CommandOptions() :
Options (),
m_filename (),
m_line_num (0),
m_column (0),
m_ignore_inlines (false),
m_func_name (),
m_func_regexp (),
m_modules (),
m_load_addr()
{
BuildValidOptionSets();
}
CommandObjectBreakpointSet::CommandOptions::~CommandOptions ()
{
}
lldb::OptionDefinition
CommandObjectBreakpointSet::CommandOptions::g_option_table[] =
{
{ 0, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, "<filename>",
"Set the breakpoint by source location in this particular file."},
{ 0, true, "line", 'l', required_argument, NULL, 0, "<linenum>",
"Set the breakpoint by source location at this particular line."},
{ 0, false, "shlib", 's', required_argument, NULL, CommandCompletions::eModuleCompletion, "<shlib-name>",
"Set the breakpoint only in this shared library (can use this option multiple times for multiple shlibs)."},
// Comment out this option for the moment, as we don't actually use it, but will in the future.
// This way users won't see it, but the infrastructure is left in place.
// { 0, false, "column", 'c', required_argument, NULL, "<column>",
// "Set the breakpoint by source location at this particular column."},
{ 0, false, "ignore_inlines", 'i', no_argument, NULL, 0, NULL,
"Ignore inlined subroutines when setting the breakppoint." },
{ 1, true, "address", 'a', required_argument, NULL, 0, "<address>",
"Set the breakpoint by address, at the specified address."},
{ 1, false, "ignore_inlines", 'i', no_argument, NULL, 0, NULL,
"Ignore inlined subroutines when setting the breakppoint." },
{ 2, true, "name", 'n', required_argument, NULL, CommandCompletions::eSymbolCompletion, "<function-name>",
"Set the breakpoint by function name." },
{ 2, false, "shlib", 's', required_argument, NULL, CommandCompletions::eModuleCompletion, "<shlib-name>",
"Set the breakpoint only in this shared library (can use this option multiple times for multiple shlibs)."},
{ 2, false, "ignore_inlines", 'i', no_argument, NULL, 0, NULL,
"Ignore inlined subroutines when setting the breakpoint." },
{ 3, true, "func_regex", 'r', required_argument, NULL, 0, "<regular-expression>",
"Set the breakpoint by function name, evaluating a regular-expression to find the function name(s)." },
{ 3, false, "shlib", 's', required_argument, NULL, CommandCompletions::eModuleCompletion, "<shlib-name>",
"Set the breakpoint only in this shared library (can use this option multiple times for multiple shlibs)."},
{ 3, false, "ignore_inlines", 'i', no_argument, NULL, 0, NULL,
"Ignore inlined subroutines when setting the breakpoint." },
{ 0, false, NULL, 0, 0, NULL, 0, NULL, NULL }
};
const lldb::OptionDefinition*
CommandObjectBreakpointSet::CommandOptions::GetDefinitions ()
{
return g_option_table;
}
Error
CommandObjectBreakpointSet::CommandOptions::SetOptionValue (int option_idx, const char *option_arg)
{
Error error;
char short_option = (char) m_getopt_table[option_idx].val;
switch (short_option)
{
case 'a':
m_load_addr = Args::StringToUInt64(optarg, LLDB_INVALID_ADDRESS, 0);
if (m_load_addr == LLDB_INVALID_ADDRESS)
m_load_addr = Args::StringToUInt64(optarg, LLDB_INVALID_ADDRESS, 16);
if (m_load_addr == LLDB_INVALID_ADDRESS)
error.SetErrorStringWithFormat ("Invalid address string '%s'.\n", optarg);
break;
case 'c':
m_column = Args::StringToUInt32 (option_arg, 0);
break;
case 'f':
m_filename = option_arg;
break;
case 'i':
m_ignore_inlines = true;
break;
case 'l':
m_line_num = Args::StringToUInt32 (option_arg, 0);
break;
case 'n':
m_func_name = option_arg;
break;
case 'r':
m_func_regexp = option_arg;
break;
case 's':
{
m_modules.push_back (std::string (option_arg));
break;
}
default:
error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option);
break;
}
return error;
}
void
CommandObjectBreakpointSet::CommandOptions::ResetOptionValues ()
{
Options::ResetOptionValues();
m_filename.clear();
m_line_num = 0;
m_column = 0;
m_ignore_inlines = false;
m_func_name.clear();
m_func_regexp.clear();
m_load_addr = LLDB_INVALID_ADDRESS;
m_modules.clear();
}
//-------------------------------------------------------------------------
// CommandObjectBreakpointSet
//-------------------------------------------------------------------------
CommandObjectBreakpointSet::CommandObjectBreakpointSet () :
CommandObject ("breakpoint set", "Sets a breakpoint or set of breakpoints in the executable.",
"breakpoint set <cmd-options>")
{
}
CommandObjectBreakpointSet::~CommandObjectBreakpointSet ()
{
}
Options *
CommandObjectBreakpointSet::GetOptions ()
{
return &m_options;
}
bool
CommandObjectBreakpointSet::Execute
(
Args& command,
CommandContext *context,
CommandInterpreter *interpreter,
CommandReturnObject &result
)
{
Target *target = context->GetTarget();
if (target == NULL)
{
result.AppendError ("Invalid target, set executable file using 'file' command.");
result.SetStatus (eReturnStatusFailed);
return false;
}
// The following are the various types of breakpoints that could be set:
// 1). -f -l -p [-s -g] (setting breakpoint by source location)
// 2). -a [-s -g] (setting breakpoint by address)
// 3). -n [-s -g] (setting breakpoint by function name)
// 4). -r [-s -g] (setting breakpoint by function name regular expression)
BreakpointSetType break_type = eSetTypeInvalid;
if (m_options.m_line_num != 0)
break_type = eSetTypeFileAndLine;
else if (m_options.m_load_addr != LLDB_INVALID_ADDRESS)
break_type = eSetTypeAddress;
else if (!m_options.m_func_name.empty())
break_type = eSetTypeFunctionName;
else if (!m_options.m_func_regexp.empty())
break_type = eSetTypeFunctionRegexp;
ModuleSP module_sp = target->GetExecutableModule();
Breakpoint *bp = NULL;
FileSpec module;
bool use_module = false;
int num_modules = m_options.m_modules.size();
if ((num_modules > 0) && (break_type != eSetTypeAddress))
use_module = true;
switch (break_type)
{
case eSetTypeFileAndLine: // Breakpoint by source position
{
FileSpec file;
if (m_options.m_filename.empty())
{
StackFrame *cur_frame = context->GetExecutionContext().frame;
if (cur_frame == NULL)
{
result.AppendError ("Attempting to set breakpoint by line number alone with no selected frame.");
result.SetStatus (eReturnStatusFailed);
break;
}
else if (!cur_frame->HasDebugInformation())
{
result.AppendError ("Attempting to set breakpoint by line number alone but selected frame has no debug info.");
result.SetStatus (eReturnStatusFailed);
break;
}
else
{
const SymbolContext &context = cur_frame->GetSymbolContext(true);
if (context.line_entry.file)
{
file = context.line_entry.file;
}
else if (context.comp_unit != NULL)
{ file = context.comp_unit;
}
else
{
result.AppendError ("Attempting to set breakpoint by line number alone but can't find the file for the selected frame.");
result.SetStatus (eReturnStatusFailed);
break;
}
}
}
else
{
file.SetFile(m_options.m_filename.c_str());
}
if (use_module)
{
for (int i = 0; i < num_modules; ++i)
{
module.SetFile(m_options.m_modules[i].c_str());
bp = target->CreateBreakpoint (&module,
file,
m_options.m_line_num,
m_options.m_ignore_inlines).get();
if (bp)
{
StreamString &output_stream = result.GetOutputStream();
output_stream.Printf ("Breakpoint created: ");
bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief);
output_stream.EOL();
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n",
m_options.m_modules[i].c_str());
result.SetStatus (eReturnStatusFailed);
}
}
}
else
bp = target->CreateBreakpoint (NULL,
file,
m_options.m_line_num,
m_options.m_ignore_inlines).get();
}
break;
case eSetTypeAddress: // Breakpoint by address
bp = target->CreateBreakpoint (m_options.m_load_addr, false).get();
break;
case eSetTypeFunctionName: // Breakpoint by function name
if (use_module)
{
for (int i = 0; i < num_modules; ++i)
{
module.SetFile(m_options.m_modules[i].c_str());
bp = target->CreateBreakpoint (&module, m_options.m_func_name.c_str()).get();
if (bp)
{
StreamString &output_stream = result.GetOutputStream();
output_stream.Printf ("Breakpoint created: ");
bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief);
output_stream.EOL();
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n",
m_options.m_modules[i].c_str());
result.SetStatus (eReturnStatusFailed);
}
}
}
else
bp = target->CreateBreakpoint (NULL, m_options.m_func_name.c_str()).get();
break;
case eSetTypeFunctionRegexp: // Breakpoint by regular expression function name
{
RegularExpression regexp(m_options.m_func_regexp.c_str());
if (use_module)
{
for (int i = 0; i < num_modules; ++i)
{
module.SetFile(m_options.m_modules[i].c_str());
bp = target->CreateBreakpoint (&module, regexp).get();
if (bp)
{
StreamString &output_stream = result.GetOutputStream();
output_stream.Printf ("Breakpoint created: ");
bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief);
output_stream.EOL();
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else
{
result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n",
m_options.m_modules[i].c_str());
result.SetStatus (eReturnStatusFailed);
}
}
}
else
bp = target->CreateBreakpoint (NULL, regexp).get();
}
break;
default:
break;
}
if (bp && !use_module)
{
StreamString &output_stream = result.GetOutputStream();
output_stream.Printf ("Breakpoint created: ");
bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief);
output_stream.EOL();
result.SetStatus (eReturnStatusSuccessFinishResult);
}
else if (!bp)
{
result.AppendError ("Breakpoint creation failed: No breakpoint created.");
result.SetStatus (eReturnStatusFailed);
}
return result.Succeeded();
}
//-------------------------------------------------------------------------
// CommandObjectMultiwordBreakpoint
//-------------------------------------------------------------------------
CommandObjectMultiwordBreakpoint::CommandObjectMultiwordBreakpoint (CommandInterpreter *interpreter) :
CommandObjectMultiword ("breakpoint",
"A set of commands for operating on breakpoints.",
"breakpoint <command> [<command-options>]")
{
bool status;
CommandObjectSP list_command_object (new CommandObjectBreakpointList ());
CommandObjectSP delete_command_object (new CommandObjectBreakpointDelete ());
CommandObjectSP enable_command_object (new CommandObjectBreakpointEnable ());
CommandObjectSP disable_command_object (new CommandObjectBreakpointDisable ());
CommandObjectSP set_command_object (new CommandObjectBreakpointSet ());
CommandObjectSP command_command_object (new CommandObjectBreakpointCommand (interpreter));
enable_command_object->SetCommandName("breakpoint enable");
disable_command_object->SetCommandName("breakpoint disable");
set_command_object->SetCommandName("breakpoint set");
command_command_object->SetCommandName ("breakpoint command");
list_command_object->SetCommandName ("breakpoint list");
status = LoadSubCommand (list_command_object, "list", interpreter);
status = LoadSubCommand (enable_command_object, "enable", interpreter);
status = LoadSubCommand (disable_command_object, "disable", interpreter);
status = LoadSubCommand (delete_command_object, "delete", interpreter);
status = LoadSubCommand (set_command_object, "set", interpreter);
status = LoadSubCommand (command_command_object, "command", interpreter);
}
CommandObjectMultiwordBreakpoint::~CommandObjectMultiwordBreakpoint ()
{
}
void
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (Args &args, Target *target, CommandReturnObject &result,
BreakpointIDList *valid_ids)
{
// args can be strings representing 1). integers (for breakpoint ids)
// 2). the full breakpoint & location canonical representation
// 3). the word "to" or a hyphen, representing a range (in which case there
// had *better* be an entry both before & after of one of the first two types.
Args temp_args;
// Create a new Args variable to use; copy any non-breakpoint-id-ranges stuff directly from the old ARGS to
// the new TEMP_ARGS. Do not copy breakpoint id range strings over; instead generate a list of strings for
// all the breakpoint ids in the range, and shove all of those breakpoint id strings into TEMP_ARGS.
BreakpointIDList::FindAndReplaceIDRanges (args, target, result, temp_args);
// NOW, convert the list of breakpoint id strings in TEMP_ARGS into an actual BreakpointIDList:
valid_ids->InsertStringArray ((const char **) temp_args.GetArgumentVector(), temp_args.GetArgumentCount(), result);
// At this point, all of the breakpoint ids that the user passed in have been converted to breakpoint IDs
// and put into valid_ids.
if (result.Succeeded())
{
// Now that we've converted everything from args into a list of breakpoint ids, go through our tentative list
// of breakpoint id's and verify that they correspond to valid/currently set breakpoints.
for (int i = 0; i < valid_ids->Size(); ++i)
{
BreakpointID cur_bp_id = valid_ids->GetBreakpointIDAtIndex (i);
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
if (breakpoint != NULL)
{
int num_locations = breakpoint->GetNumLocations();
if (cur_bp_id.GetLocationID() > num_locations)
{
StreamString id_str;
BreakpointID::GetCanonicalReference (&id_str, cur_bp_id.GetBreakpointID(),
cur_bp_id.GetLocationID());
i = valid_ids->Size() + 1;
result.AppendErrorWithFormat ("'%s' is not a currently valid breakpoint/location id.\n",
id_str.GetData());
result.SetStatus (eReturnStatusFailed);
}
}
else
{
i = valid_ids->Size() + 1;
result.AppendErrorWithFormat ("'%d' is not a currently valid breakpoint id.\n", cur_bp_id.GetBreakpointID());
result.SetStatus (eReturnStatusFailed);
}
}
}
}
//-------------------------------------------------------------------------
// CommandObjectBreakpointList::Options
//-------------------------------------------------------------------------
CommandObjectBreakpointList::CommandOptions::CommandOptions() :
Options (),
m_level (lldb::eDescriptionLevelFull) // Breakpoint List defaults to brief descriptions
{
BuildValidOptionSets();
}
CommandObjectBreakpointList::CommandOptions::~CommandOptions ()
{
}
lldb::OptionDefinition
CommandObjectBreakpointList::CommandOptions::g_option_table[] =
{
{ 0, false, "brief", 'b', no_argument, NULL, 0, NULL,
"Give a brief description of the breakpoint (no location info)."},
// FIXME: We need to add an "internal" command, and then add this sort of thing to it.
// But I need to see it for now, and don't want to wait.
{ 0, false, "internal", 'i', no_argument, NULL, 0, NULL,
"Show debugger internal breakpoints" },
{ 1, false, "full", 'f', no_argument, NULL, 0, NULL,
"Give a full description of the breakpoint and its locations."},
// DITTO FIXME
{ 1, false, "internal", 'i', no_argument, NULL, 0, NULL,
"Show debugger internal breakpoints" },
{ 2, false, "verbose", 'v', no_argument, NULL, 0, NULL,
"Explain everything we know about the breakpoint (for debugging debugger bugs)." },
// DITTO FIXME
{ 2, false, "internal", 'i', no_argument, NULL, 0, NULL,
"Show debugger internal breakpoints" },
{ 0, false, NULL, 0, 0, NULL, 0, NULL, NULL }
};
const lldb::OptionDefinition*
CommandObjectBreakpointList::CommandOptions::GetDefinitions ()
{
return g_option_table;
}
Error
CommandObjectBreakpointList::CommandOptions::SetOptionValue (int option_idx, const char *option_arg)
{
Error error;
char short_option = (char) m_getopt_table[option_idx].val;
switch (short_option)
{
case 'b':
m_level = lldb::eDescriptionLevelBrief;
break;
case 'f':
m_level = lldb::eDescriptionLevelFull;
break;
case 'v':
m_level = lldb::eDescriptionLevelVerbose;
break;
case 'i':
m_internal = true;
break;
default:
error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option);
break;
}
return error;
}
void
CommandObjectBreakpointList::CommandOptions::ResetOptionValues ()
{
Options::ResetOptionValues();
m_level = lldb::eDescriptionLevelFull;
m_internal = false;
}
//-------------------------------------------------------------------------
// CommandObjectBreakpointList
//-------------------------------------------------------------------------
CommandObjectBreakpointList::CommandObjectBreakpointList () :
CommandObject ("breakpoint list",
"List some or all breakpoints at configurable levels of detail.",
"breakpoint list [<breakpoint-id>]")
{
}
CommandObjectBreakpointList::~CommandObjectBreakpointList ()
{
}
Options *
CommandObjectBreakpointList::GetOptions ()
{
return &m_options;
}
bool
CommandObjectBreakpointList::Execute
(
Args& args,
CommandContext *context,
CommandInterpreter *interpreter,
CommandReturnObject &result
)
{
Target *target = context->GetTarget();
if (target == NULL)
{
result.AppendError ("Invalid target, set executable file using 'file' command.");
result.SetStatus (eReturnStatusSuccessFinishNoResult);
return true;
}
const BreakpointList &breakpoints = target->GetBreakpointList(m_options.m_internal);
size_t num_breakpoints = breakpoints.GetSize();
if (num_breakpoints == 0)
{
result.AppendMessage ("No breakpoints currently set.");
result.SetStatus (eReturnStatusSuccessFinishNoResult);
return true;
}
StreamString &output_stream = result.GetOutputStream();
if (args.GetArgumentCount() == 0)
{
// No breakpoint selected; show info about all currently set breakpoints.
result.AppendMessage ("Current breakpoints:");
for (int i = 0; i < num_breakpoints; ++i)
{
Breakpoint *breakpoint = breakpoints.GetBreakpointByIndex (i).get();
AddBreakpointDescription (context, &output_stream, breakpoint, m_options.m_level);
}
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
// Particular breakpoints selected; show info about that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids);
if (result.Succeeded())
{
for (int i = 0; i < valid_bp_ids.Size(); ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
AddBreakpointDescription (context, &output_stream, breakpoint, m_options.m_level);
}
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
result.AppendError ("Invalid breakpoint id.");
result.SetStatus (eReturnStatusFailed);
}
}
return result.Succeeded();
}
//-------------------------------------------------------------------------
// CommandObjectBreakpointEnable
//-------------------------------------------------------------------------
CommandObjectBreakpointEnable::CommandObjectBreakpointEnable () :
CommandObject ("enable",
"Enables the specified disabled breakpoint(s). If no breakpoints are specified, enables all of them.",
"breakpoint enable [<breakpoint-id> | <breakpoint-id-list>]")
{
// This command object can either be called via 'enable' or 'breakpoint enable'. Because it has two different
// potential invocation methods, we need to be a little tricky about generating the syntax string.
//StreamString tmp_string;
//tmp_string.Printf ("%s <breakpoint-id>", GetCommandName());
//m_cmd_syntax.assign (tmp_string.GetData(), tmp_string.GetSize());
}
CommandObjectBreakpointEnable::~CommandObjectBreakpointEnable ()
{
}
bool
CommandObjectBreakpointEnable::Execute (Args& args, CommandContext *context,
CommandInterpreter *interpreter, CommandReturnObject &result)
{
Target *target = context->GetTarget();
if (target == NULL)
{
result.AppendError ("Invalid target, set executable file using 'file' command.");
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 be enabled.");
result.SetStatus (eReturnStatusFailed);
return false;
}
if (args.GetArgumentCount() == 0)
{
// No breakpoint selected; enable all currently set breakpoints.
target->EnableAllBreakpoints ();
result.AppendMessageWithFormat ("All breakpoints enabled. (%d breakpoints)\n", num_breakpoints);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
// Particular breakpoint selected; enable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids);
if (result.Succeeded())
{
int enable_count = 0;
int loc_count = 0;
for (int i = 0; i < valid_bp_ids.Size(); ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID)
{
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID)
{
BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get();
if (location)
{
location->SetEnabled (true);
breakpoint->SetEnabled (true);
++loc_count;
}
}
else
{
target->EnableBreakpointByID (cur_bp_id.GetBreakpointID());
++enable_count;
int num_locations = breakpoint->GetNumLocations ();
for (int j = 0; j < num_locations; ++j)
{
BreakpointLocation *cur_loc = breakpoint->GetLocationAtIndex(j).get();
if (cur_loc)
cur_loc->SetEnabled (true);
}
}
}
}
result.AppendMessageWithFormat ("%d breakpoints enabled.\n", enable_count + loc_count);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}
//-------------------------------------------------------------------------
// CommandObjectBreakpointDisable
//-------------------------------------------------------------------------
CommandObjectBreakpointDisable::CommandObjectBreakpointDisable () :
CommandObject ("disable",
"Disables the specified breakpoint(s) without removing it/them. If no breakpoints are specified, disables them all.",
"disable [<breakpoint-id> | <breakpoint-id-list>]")
{
// This command object can either be called via 'enable' or 'breakpoint enable'. Because it has two different
// potential invocation methods, we need to be a little tricky about generating the syntax string.
//StreamString tmp_string;
//tmp_string.Printf ("%s <breakpoint-id>", GetCommandName());
//m_cmd_syntax.assign(tmp_string.GetData(), tmp_string.GetSize());
}
CommandObjectBreakpointDisable::~CommandObjectBreakpointDisable ()
{
}
bool
CommandObjectBreakpointDisable::Execute (Args& args, CommandContext *context,
CommandInterpreter *interpreter, CommandReturnObject &result)
{
Target *target = context->GetTarget();
if (target == NULL)
{
result.AppendError ("Invalid target, set executable file using 'file' command.");
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 be disabled.");
result.SetStatus (eReturnStatusFailed);
return false;
}
if (args.GetArgumentCount() == 0)
{
// No breakpoint selected; disable all currently set breakpoints.
target->DisableAllBreakpoints ();
result.AppendMessageWithFormat ("All breakpoints disabled. (%d breakpoints)\n", num_breakpoints);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids);
if (result.Succeeded())
{
int disable_count = 0;
int loc_count = 0;
for (int i = 0; i < valid_bp_ids.Size(); ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID)
{
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID)
{
BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get();
if (location)
{
location->SetEnabled (false);
++loc_count;
}
}
else
{
target->DisableBreakpointByID (cur_bp_id.GetBreakpointID());
++disable_count;
int num_locations = breakpoint->GetNumLocations();
for (int j = 0; j < num_locations; ++j)
{
BreakpointLocation *cur_loc = breakpoint->GetLocationAtIndex(j).get();
if (cur_loc)
cur_loc->SetEnabled (false);
}
}
}
}
result.AppendMessageWithFormat ("%d breakpoints disabled.\n", disable_count + loc_count);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}
//-------------------------------------------------------------------------
// CommandObjectBreakpointDelete
//-------------------------------------------------------------------------
CommandObjectBreakpointDelete::CommandObjectBreakpointDelete() :
CommandObject ("breakpoint delete",
"Delete the specified breakpoint(s). If no breakpoints are specified, deletes them all.",
"breakpoint delete [<breakpoint-id> | <breakpoint-id-list>]")
{
}
CommandObjectBreakpointDelete::~CommandObjectBreakpointDelete ()
{
}
bool
CommandObjectBreakpointDelete::Execute (Args& args, CommandContext *context,
CommandInterpreter *interpreter, CommandReturnObject &result)
{
Target *target = context->GetTarget();
if (target == NULL)
{
result.AppendError ("Invalid target, set executable file using 'file' command.");
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 be deleted.");
result.SetStatus (eReturnStatusFailed);
return false;
}
if (args.GetArgumentCount() == 0)
{
// No breakpoint selected; disable all currently set breakpoints.
if (args.GetArgumentCount() != 0)
{
result.AppendErrorWithFormat ("Specify breakpoints to delete with the -i option.\n");
result.SetStatus (eReturnStatusFailed);
return false;
}
target->RemoveAllBreakpoints ();
result.AppendMessageWithFormat ("All breakpoints removed. (%d breakpoints)\n", num_breakpoints);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
// Particular breakpoint selected; disable that breakpoint.
BreakpointIDList valid_bp_ids;
CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids);
if (result.Succeeded())
{
int delete_count = 0;
int disable_count = 0;
for (int i = 0; i < valid_bp_ids.Size(); ++i)
{
BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID)
{
if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID)
{
Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get();
// It makes no sense to try to delete individual locations, so we disable them instead.
if (location)
{
location->SetEnabled (false);
++disable_count;
}
}
else
{
target->RemoveBreakpointByID (cur_bp_id.GetBreakpointID());
++delete_count;
}
}
}
result.AppendMessageWithFormat ("%d breakpoints deleted; %d breakpoint locations disabled.\n",
delete_count, disable_count);
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
}
return result.Succeeded();
}