forked from OSchip/llvm-project
847 lines
27 KiB
C++
847 lines
27 KiB
C++
//===-- CommandObjectWatchpoint.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 "CommandObjectWatchpoint.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/Watchpoint.h"
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#include "lldb/Breakpoint/WatchpointList.h"
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#include "lldb/Core/StreamString.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/Target.h"
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#include "lldb/Interpreter/CommandCompletions.h"
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#include <vector>
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using namespace lldb;
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using namespace lldb_private;
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static void
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AddWatchpointDescription(Stream *s, Watchpoint *wp, lldb::DescriptionLevel level)
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{
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s->IndentMore();
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wp->GetDescription(s, level);
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s->IndentLess();
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s->EOL();
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}
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static bool
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CheckTargetForWatchpointOperations(Target *target, CommandReturnObject &result)
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{
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if (target == NULL)
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{
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result.AppendError ("Invalid target. No existing target or watchpoints.");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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bool process_is_valid = target->GetProcessSP() && target->GetProcessSP()->IsAlive();
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if (!process_is_valid)
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{
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result.AppendError ("Thre's no process or it is not alive.");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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// Target passes our checks, return true.
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return true;
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}
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#include "llvm/ADT/StringRef.h"
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// Equivalent class: {"-", "to", "To", "TO"} of range specifier array.
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static const char* RSA[4] = { "-", "to", "To", "TO" };
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// Return the index to RSA if found; otherwise -1 is returned.
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static int32_t
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WithRSAIndex(llvm::StringRef &Arg)
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{
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uint32_t i;
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for (i = 0; i < 4; ++i)
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if (Arg.find(RSA[i]) != llvm::StringRef::npos)
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return i;
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return -1;
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}
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// Return true if wp_ids is successfully populated with the watch ids.
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// False otherwise.
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static bool
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VerifyWatchpointIDs(Args &args, std::vector<uint32_t> &wp_ids)
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{
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// Pre-condition: args.GetArgumentCount() > 0.
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assert(args.GetArgumentCount() > 0);
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llvm::StringRef Minus("-");
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std::vector<llvm::StringRef> StrRefArgs;
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std::pair<llvm::StringRef, llvm::StringRef> Pair;
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size_t i;
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int32_t idx;
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// Go through the argments and make a canonical form of arg list containing
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// only numbers with possible "-" in between.
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for (i = 0; i < args.GetArgumentCount(); ++i) {
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llvm::StringRef Arg(args.GetArgumentAtIndex(i));
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if ((idx = WithRSAIndex(Arg)) == -1) {
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StrRefArgs.push_back(Arg);
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continue;
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}
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// The Arg contains the range specifier, split it, then.
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Pair = Arg.split(RSA[idx]);
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if (!Pair.first.empty())
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StrRefArgs.push_back(Pair.first);
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StrRefArgs.push_back(Minus);
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if (!Pair.second.empty())
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StrRefArgs.push_back(Pair.second);
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}
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// Now process the canonical list and fill in the vector of uint32_t's.
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// If there is any error, return false and the client should ignore wp_ids.
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uint32_t beg, end, id;
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size_t size = StrRefArgs.size();
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bool in_range = false;
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for (i = 0; i < size; ++i) {
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llvm::StringRef Arg = StrRefArgs[i];
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if (in_range) {
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// Look for the 'end' of the range. Note StringRef::getAsInteger()
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// returns true to signify error while parsing.
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if (Arg.getAsInteger(0, end))
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return false;
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// Found a range! Now append the elements.
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for (id = beg; id <= end; ++id)
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wp_ids.push_back(id);
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in_range = false;
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continue;
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}
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if (i < (size - 1) && StrRefArgs[i+1] == Minus) {
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if (Arg.getAsInteger(0, beg))
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return false;
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// Turn on the in_range flag, we are looking for end of range next.
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++i; in_range = true;
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continue;
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}
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// Otherwise, we have a simple ID. Just append it.
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if (Arg.getAsInteger(0, beg))
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return false;
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wp_ids.push_back(beg);
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}
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// It is an error if after the loop, we're still in_range.
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if (in_range)
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return false;
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return true; // Success!
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}
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//-------------------------------------------------------------------------
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// CommandObjectMultiwordWatchpoint
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//-------------------------------------------------------------------------
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#pragma mark MultiwordWatchpoint
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CommandObjectMultiwordWatchpoint::CommandObjectMultiwordWatchpoint(CommandInterpreter &interpreter) :
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CommandObjectMultiword (interpreter,
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"watchpoint",
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"A set of commands for operating on watchpoints.",
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"watchpoint <command> [<command-options>]")
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{
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bool status;
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CommandObjectSP list_command_object (new CommandObjectWatchpointList (interpreter));
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CommandObjectSP enable_command_object (new CommandObjectWatchpointEnable (interpreter));
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CommandObjectSP disable_command_object (new CommandObjectWatchpointDisable (interpreter));
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CommandObjectSP delete_command_object (new CommandObjectWatchpointDelete (interpreter));
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CommandObjectSP ignore_command_object (new CommandObjectWatchpointIgnore (interpreter));
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CommandObjectSP modify_command_object (new CommandObjectWatchpointModify (interpreter));
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list_command_object->SetCommandName ("watchpoint list");
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enable_command_object->SetCommandName("watchpoint enable");
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disable_command_object->SetCommandName("watchpoint disable");
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delete_command_object->SetCommandName("watchpoint delete");
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ignore_command_object->SetCommandName("watchpoint ignore");
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modify_command_object->SetCommandName("watchpoint modify");
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status = LoadSubCommand ("list", list_command_object);
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status = LoadSubCommand ("enable", enable_command_object);
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status = LoadSubCommand ("disable", disable_command_object);
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status = LoadSubCommand ("delete", delete_command_object);
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status = LoadSubCommand ("ignore", ignore_command_object);
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status = LoadSubCommand ("modify", modify_command_object);
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}
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CommandObjectMultiwordWatchpoint::~CommandObjectMultiwordWatchpoint()
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{
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}
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//-------------------------------------------------------------------------
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// CommandObjectWatchpointList::Options
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//-------------------------------------------------------------------------
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#pragma mark List::CommandOptions
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CommandObjectWatchpointList::CommandOptions::CommandOptions(CommandInterpreter &interpreter) :
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Options(interpreter),
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m_level(lldb::eDescriptionLevelBrief) // Watchpoint List defaults to brief descriptions
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{
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}
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CommandObjectWatchpointList::CommandOptions::~CommandOptions()
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{
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}
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OptionDefinition
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CommandObjectWatchpointList::CommandOptions::g_option_table[] =
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{
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{ LLDB_OPT_SET_1, false, "brief", 'b', no_argument, NULL, 0, eArgTypeNone,
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"Give a brief description of the watchpoint (no location info)."},
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{ LLDB_OPT_SET_2, false, "full", 'f', no_argument, NULL, 0, eArgTypeNone,
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"Give a full description of the watchpoint and its locations."},
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{ LLDB_OPT_SET_3, false, "verbose", 'v', no_argument, NULL, 0, eArgTypeNone,
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"Explain everything we know about the watchpoint (for debugging debugger bugs)." },
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{ 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL }
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};
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const OptionDefinition*
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CommandObjectWatchpointList::CommandOptions::GetDefinitions()
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{
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return g_option_table;
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}
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Error
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CommandObjectWatchpointList::CommandOptions::SetOptionValue(uint32_t option_idx, const char *option_arg)
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{
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Error error;
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char short_option = (char) m_getopt_table[option_idx].val;
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switch (short_option)
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{
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case 'b':
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m_level = lldb::eDescriptionLevelBrief;
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break;
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case 'f':
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m_level = lldb::eDescriptionLevelFull;
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break;
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case 'v':
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m_level = lldb::eDescriptionLevelVerbose;
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break;
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default:
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error.SetErrorStringWithFormat("unrecognized option '%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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CommandObjectWatchpointList::CommandOptions::OptionParsingStarting()
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{
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m_level = lldb::eDescriptionLevelFull;
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}
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//-------------------------------------------------------------------------
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// CommandObjectWatchpointList
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//-------------------------------------------------------------------------
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#pragma mark List
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CommandObjectWatchpointList::CommandObjectWatchpointList(CommandInterpreter &interpreter) :
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CommandObject(interpreter,
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"watchpoint list",
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"List all watchpoints at configurable levels of detail.",
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NULL),
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m_options(interpreter)
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{
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CommandArgumentEntry arg;
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CommandObject::AddIDsArgumentData(arg, eArgTypeWatchpointID, eArgTypeWatchpointIDRange);
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// Add the entry for the first argument for this command to the object's arguments vector.
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m_arguments.push_back(arg);
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}
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CommandObjectWatchpointList::~CommandObjectWatchpointList()
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{
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}
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Options *
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CommandObjectWatchpointList::GetOptions()
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{
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return &m_options;
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}
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bool
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CommandObjectWatchpointList::Execute(Args& args, CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (target == NULL)
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{
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result.AppendError ("Invalid target. No current target or watchpoints.");
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result.SetStatus (eReturnStatusSuccessFinishNoResult);
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return true;
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}
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const WatchpointList &watchpoints = target->GetWatchpointList();
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Mutex::Locker locker;
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target->GetWatchpointList().GetListMutex(locker);
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size_t num_watchpoints = watchpoints.GetSize();
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if (num_watchpoints == 0)
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{
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result.AppendMessage("No watchpoints currently set.");
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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return true;
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}
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Stream &output_stream = result.GetOutputStream();
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if (args.GetArgumentCount() == 0)
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{
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// No watchpoint selected; show info about all currently set watchpoints.
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result.AppendMessage ("Current watchpoints:");
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for (size_t i = 0; i < num_watchpoints; ++i)
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{
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Watchpoint *wp = watchpoints.GetByIndex(i).get();
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AddWatchpointDescription(&output_stream, wp, m_options.m_level);
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}
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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}
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else
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{
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// Particular watchpoints selected; enable them.
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std::vector<uint32_t> wp_ids;
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if (!VerifyWatchpointIDs(args, wp_ids))
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{
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result.AppendError("Invalid watchpoints specification.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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const size_t size = wp_ids.size();
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for (size_t i = 0; i < size; ++i)
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{
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Watchpoint *wp = watchpoints.FindByID(wp_ids[i]).get();
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if (wp)
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AddWatchpointDescription(&output_stream, wp, m_options.m_level);
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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}
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}
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return result.Succeeded();
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}
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//-------------------------------------------------------------------------
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// CommandObjectWatchpointEnable
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//-------------------------------------------------------------------------
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#pragma mark Enable
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CommandObjectWatchpointEnable::CommandObjectWatchpointEnable(CommandInterpreter &interpreter) :
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CommandObject(interpreter,
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"enable",
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"Enable the specified disabled watchpoint(s). If no watchpoints are specified, enable all of them.",
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NULL)
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{
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CommandArgumentEntry arg;
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CommandObject::AddIDsArgumentData(arg, eArgTypeWatchpointID, eArgTypeWatchpointIDRange);
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// Add the entry for the first argument for this command to the object's arguments vector.
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m_arguments.push_back(arg);
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}
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CommandObjectWatchpointEnable::~CommandObjectWatchpointEnable()
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{
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}
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bool
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CommandObjectWatchpointEnable::Execute(Args& args, CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (!CheckTargetForWatchpointOperations(target, result))
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return false;
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Mutex::Locker locker;
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target->GetWatchpointList().GetListMutex(locker);
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const WatchpointList &watchpoints = target->GetWatchpointList();
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size_t num_watchpoints = watchpoints.GetSize();
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if (num_watchpoints == 0)
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{
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result.AppendError("No watchpoints exist to be enabled.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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if (args.GetArgumentCount() == 0)
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{
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// No watchpoint selected; enable all currently set watchpoints.
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target->EnableAllWatchpoints();
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result.AppendMessageWithFormat("All watchpoints enabled. (%lu watchpoints)\n", num_watchpoints);
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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}
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else
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{
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// Particular watchpoints selected; enable them.
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std::vector<uint32_t> wp_ids;
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if (!VerifyWatchpointIDs(args, wp_ids))
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{
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result.AppendError("Invalid watchpoints specification.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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int count = 0;
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const size_t size = wp_ids.size();
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for (size_t i = 0; i < size; ++i)
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if (target->EnableWatchpointByID(wp_ids[i]))
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++count;
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result.AppendMessageWithFormat("%d watchpoints enabled.\n", count);
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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}
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return result.Succeeded();
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}
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//-------------------------------------------------------------------------
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// CommandObjectWatchpointDisable
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//-------------------------------------------------------------------------
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#pragma mark Disable
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CommandObjectWatchpointDisable::CommandObjectWatchpointDisable(CommandInterpreter &interpreter) :
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CommandObject(interpreter,
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"watchpoint disable",
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"Disable the specified watchpoint(s) without removing it/them. If no watchpoints are specified, disable them all.",
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NULL)
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{
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CommandArgumentEntry arg;
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CommandObject::AddIDsArgumentData(arg, eArgTypeWatchpointID, eArgTypeWatchpointIDRange);
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// Add the entry for the first argument for this command to the object's arguments vector.
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m_arguments.push_back(arg);
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}
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CommandObjectWatchpointDisable::~CommandObjectWatchpointDisable()
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{
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}
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bool
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CommandObjectWatchpointDisable::Execute(Args& args, CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (!CheckTargetForWatchpointOperations(target, result))
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return false;
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Mutex::Locker locker;
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target->GetWatchpointList().GetListMutex(locker);
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const WatchpointList &watchpoints = target->GetWatchpointList();
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size_t num_watchpoints = watchpoints.GetSize();
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if (num_watchpoints == 0)
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{
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result.AppendError("No watchpoints exist to be disabled.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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if (args.GetArgumentCount() == 0)
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{
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// No watchpoint selected; disable all currently set watchpoints.
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if (target->DisableAllWatchpoints())
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{
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result.AppendMessageWithFormat("All watchpoints disabled. (%lu watchpoints)\n", num_watchpoints);
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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}
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else
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{
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result.AppendError("Disable all watchpoints failed\n");
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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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// Particular watchpoints selected; disable them.
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std::vector<uint32_t> wp_ids;
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if (!VerifyWatchpointIDs(args, wp_ids))
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{
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result.AppendError("Invalid watchpoints specification.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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int count = 0;
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const size_t size = wp_ids.size();
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for (size_t i = 0; i < size; ++i)
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if (target->DisableWatchpointByID(wp_ids[i]))
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++count;
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result.AppendMessageWithFormat("%d watchpoints disabled.\n", count);
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result.SetStatus(eReturnStatusSuccessFinishNoResult);
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}
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return result.Succeeded();
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}
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//-------------------------------------------------------------------------
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// CommandObjectWatchpointDelete
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//-------------------------------------------------------------------------
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#pragma mark Delete
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CommandObjectWatchpointDelete::CommandObjectWatchpointDelete(CommandInterpreter &interpreter) :
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CommandObject(interpreter,
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"watchpoint delete",
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"Delete the specified watchpoint(s). If no watchpoints are specified, delete them all.",
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NULL)
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{
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CommandArgumentEntry arg;
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CommandObject::AddIDsArgumentData(arg, eArgTypeWatchpointID, eArgTypeWatchpointIDRange);
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// Add the entry for the first argument for this command to the object's arguments vector.
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m_arguments.push_back(arg);
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}
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CommandObjectWatchpointDelete::~CommandObjectWatchpointDelete()
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{
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}
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bool
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CommandObjectWatchpointDelete::Execute(Args& args, CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (!CheckTargetForWatchpointOperations(target, result))
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return false;
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Mutex::Locker locker;
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target->GetWatchpointList().GetListMutex(locker);
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const WatchpointList &watchpoints = target->GetWatchpointList();
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size_t num_watchpoints = watchpoints.GetSize();
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if (num_watchpoints == 0)
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{
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result.AppendError("No watchpoints exist to be deleted.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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if (args.GetArgumentCount() == 0)
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{
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if (!m_interpreter.Confirm("About to delete all watchpoints, do you want to do that?", true))
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{
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result.AppendMessage("Operation cancelled...");
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}
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else
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{
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target->RemoveAllWatchpoints();
|
|
result.AppendMessageWithFormat("All watchpoints removed. (%lu watchpoints)\n", num_watchpoints);
|
|
}
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
else
|
|
{
|
|
// Particular watchpoints selected; delete them.
|
|
std::vector<uint32_t> wp_ids;
|
|
if (!VerifyWatchpointIDs(args, wp_ids))
|
|
{
|
|
result.AppendError("Invalid watchpoints specification.");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
int count = 0;
|
|
const size_t size = wp_ids.size();
|
|
for (size_t i = 0; i < size; ++i)
|
|
if (target->RemoveWatchpointByID(wp_ids[i]))
|
|
++count;
|
|
result.AppendMessageWithFormat("%d watchpoints deleted.\n",count);
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
|
|
return result.Succeeded();
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectWatchpointIgnore::CommandOptions
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark Ignore::CommandOptions
|
|
|
|
CommandObjectWatchpointIgnore::CommandOptions::CommandOptions(CommandInterpreter &interpreter) :
|
|
Options (interpreter),
|
|
m_ignore_count (0)
|
|
{
|
|
}
|
|
|
|
CommandObjectWatchpointIgnore::CommandOptions::~CommandOptions ()
|
|
{
|
|
}
|
|
|
|
OptionDefinition
|
|
CommandObjectWatchpointIgnore::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_ALL, true, "ignore-count", 'i', required_argument, NULL, NULL, eArgTypeCount, "Set the number of times this watchpoint is skipped before stopping." },
|
|
{ 0, false, NULL, 0 , 0, NULL, 0, eArgTypeNone, NULL }
|
|
};
|
|
|
|
const OptionDefinition*
|
|
CommandObjectWatchpointIgnore::CommandOptions::GetDefinitions ()
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
Error
|
|
CommandObjectWatchpointIgnore::CommandOptions::SetOptionValue (uint32_t option_idx, const char *option_arg)
|
|
{
|
|
Error error;
|
|
char short_option = (char) m_getopt_table[option_idx].val;
|
|
|
|
switch (short_option)
|
|
{
|
|
case 'i':
|
|
{
|
|
m_ignore_count = Args::StringToUInt32(option_arg, UINT32_MAX, 0);
|
|
if (m_ignore_count == UINT32_MAX)
|
|
error.SetErrorStringWithFormat ("invalid ignore count '%s'", option_arg);
|
|
}
|
|
break;
|
|
default:
|
|
error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
void
|
|
CommandObjectWatchpointIgnore::CommandOptions::OptionParsingStarting ()
|
|
{
|
|
m_ignore_count = 0;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectWatchpointIgnore
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark Ignore
|
|
|
|
CommandObjectWatchpointIgnore::CommandObjectWatchpointIgnore(CommandInterpreter &interpreter) :
|
|
CommandObject(interpreter,
|
|
"watchpoint ignore",
|
|
"Set ignore count on the specified watchpoint(s). If no watchpoints are specified, set them all.",
|
|
NULL),
|
|
m_options (interpreter)
|
|
{
|
|
CommandArgumentEntry arg;
|
|
CommandObject::AddIDsArgumentData(arg, eArgTypeWatchpointID, eArgTypeWatchpointIDRange);
|
|
// Add the entry for the first argument for this command to the object's arguments vector.
|
|
m_arguments.push_back(arg);
|
|
}
|
|
|
|
CommandObjectWatchpointIgnore::~CommandObjectWatchpointIgnore()
|
|
{
|
|
}
|
|
|
|
Options *
|
|
CommandObjectWatchpointIgnore::GetOptions ()
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
bool
|
|
CommandObjectWatchpointIgnore::Execute(Args& args, CommandReturnObject &result)
|
|
{
|
|
Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
|
|
if (!CheckTargetForWatchpointOperations(target, result))
|
|
return false;
|
|
|
|
Mutex::Locker locker;
|
|
target->GetWatchpointList().GetListMutex(locker);
|
|
|
|
const WatchpointList &watchpoints = target->GetWatchpointList();
|
|
|
|
size_t num_watchpoints = watchpoints.GetSize();
|
|
|
|
if (num_watchpoints == 0)
|
|
{
|
|
result.AppendError("No watchpoints exist to be ignored.");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (args.GetArgumentCount() == 0)
|
|
{
|
|
target->IgnoreAllWatchpoints(m_options.m_ignore_count);
|
|
result.AppendMessageWithFormat("All watchpoints ignored. (%lu watchpoints)\n", num_watchpoints);
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
else
|
|
{
|
|
// Particular watchpoints selected; ignore them.
|
|
std::vector<uint32_t> wp_ids;
|
|
if (!VerifyWatchpointIDs(args, wp_ids))
|
|
{
|
|
result.AppendError("Invalid watchpoints specification.");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
int count = 0;
|
|
const size_t size = wp_ids.size();
|
|
for (size_t i = 0; i < size; ++i)
|
|
if (target->IgnoreWatchpointByID(wp_ids[i], m_options.m_ignore_count))
|
|
++count;
|
|
result.AppendMessageWithFormat("%d watchpoints ignored.\n",count);
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
|
|
return result.Succeeded();
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectWatchpointModify::CommandOptions
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark Modify::CommandOptions
|
|
|
|
CommandObjectWatchpointModify::CommandOptions::CommandOptions(CommandInterpreter &interpreter) :
|
|
Options (interpreter),
|
|
m_condition (),
|
|
m_condition_passed (false)
|
|
{
|
|
}
|
|
|
|
CommandObjectWatchpointModify::CommandOptions::~CommandOptions ()
|
|
{
|
|
}
|
|
|
|
OptionDefinition
|
|
CommandObjectWatchpointModify::CommandOptions::g_option_table[] =
|
|
{
|
|
{ LLDB_OPT_SET_ALL, false, "condition", 'c', required_argument, NULL, NULL, eArgTypeExpression, "The watchpoint stops only if this condition expression evaluates to true."},
|
|
{ 0, false, NULL, 0 , 0, NULL, 0, eArgTypeNone, NULL }
|
|
};
|
|
|
|
const OptionDefinition*
|
|
CommandObjectWatchpointModify::CommandOptions::GetDefinitions ()
|
|
{
|
|
return g_option_table;
|
|
}
|
|
|
|
Error
|
|
CommandObjectWatchpointModify::CommandOptions::SetOptionValue (uint32_t option_idx, const char *option_arg)
|
|
{
|
|
Error error;
|
|
char short_option = (char) m_getopt_table[option_idx].val;
|
|
|
|
switch (short_option)
|
|
{
|
|
case 'c':
|
|
if (option_arg != NULL)
|
|
m_condition.assign (option_arg);
|
|
else
|
|
m_condition.clear();
|
|
m_condition_passed = true;
|
|
break;
|
|
default:
|
|
error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
void
|
|
CommandObjectWatchpointModify::CommandOptions::OptionParsingStarting ()
|
|
{
|
|
m_condition.clear();
|
|
m_condition_passed = false;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// CommandObjectWatchpointModify
|
|
//-------------------------------------------------------------------------
|
|
#pragma mark Modify
|
|
|
|
CommandObjectWatchpointModify::CommandObjectWatchpointModify (CommandInterpreter &interpreter) :
|
|
CommandObject (interpreter,
|
|
"watchpoint modify",
|
|
"Modify the options on a watchpoint or set of watchpoints in the executable. "
|
|
"If no watchpoint is specified, act on the last created watchpoint. "
|
|
"Passing an empty argument clears the modification.",
|
|
NULL),
|
|
m_options (interpreter)
|
|
{
|
|
CommandArgumentEntry arg;
|
|
CommandObject::AddIDsArgumentData(arg, eArgTypeWatchpointID, eArgTypeWatchpointIDRange);
|
|
// Add the entry for the first argument for this command to the object's arguments vector.
|
|
m_arguments.push_back (arg);
|
|
}
|
|
|
|
CommandObjectWatchpointModify::~CommandObjectWatchpointModify ()
|
|
{
|
|
}
|
|
|
|
Options *
|
|
CommandObjectWatchpointModify::GetOptions ()
|
|
{
|
|
return &m_options;
|
|
}
|
|
|
|
bool
|
|
CommandObjectWatchpointModify::Execute
|
|
(
|
|
Args& args,
|
|
CommandReturnObject &result
|
|
)
|
|
{
|
|
Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
|
|
if (!CheckTargetForWatchpointOperations(target, result))
|
|
return false;
|
|
|
|
Mutex::Locker locker;
|
|
target->GetWatchpointList().GetListMutex(locker);
|
|
|
|
const WatchpointList &watchpoints = target->GetWatchpointList();
|
|
|
|
size_t num_watchpoints = watchpoints.GetSize();
|
|
|
|
if (num_watchpoints == 0)
|
|
{
|
|
result.AppendError("No watchpoints exist to be modified.");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
if (args.GetArgumentCount() == 0)
|
|
{
|
|
WatchpointSP wp_sp = target->GetLastCreatedWatchpoint();
|
|
wp_sp->SetCondition(m_options.m_condition.c_str());
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
else
|
|
{
|
|
// Particular watchpoints selected; set condition on them.
|
|
std::vector<uint32_t> wp_ids;
|
|
if (!VerifyWatchpointIDs(args, wp_ids))
|
|
{
|
|
result.AppendError("Invalid watchpoints specification.");
|
|
result.SetStatus(eReturnStatusFailed);
|
|
return false;
|
|
}
|
|
|
|
int count = 0;
|
|
const size_t size = wp_ids.size();
|
|
for (size_t i = 0; i < size; ++i)
|
|
{
|
|
WatchpointSP wp_sp = watchpoints.FindByID(wp_ids[i]);
|
|
if (wp_sp)
|
|
{
|
|
wp_sp->SetCondition(m_options.m_condition.c_str());
|
|
++count;
|
|
}
|
|
}
|
|
result.AppendMessageWithFormat("%d watchpoints modified.\n",count);
|
|
result.SetStatus (eReturnStatusSuccessFinishNoResult);
|
|
}
|
|
|
|
return result.Succeeded();
|
|
}
|