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Diffstat (limited to 'lldb/source/Commands/CommandObjectBreakpoint.cpp')
| -rw-r--r-- | lldb/source/Commands/CommandObjectBreakpoint.cpp | 953 |
1 files changed, 953 insertions, 0 deletions
diff --git a/lldb/source/Commands/CommandObjectBreakpoint.cpp b/lldb/source/Commands/CommandObjectBreakpoint.cpp new file mode 100644 index 00000000000..d24ba8f553b --- /dev/null +++ b/lldb/source/Commands/CommandObjectBreakpoint.cpp @@ -0,0 +1,953 @@ +//===-- 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(); +} |
