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-rw-r--r--source/Commands/CommandObjectWatchpoint.cpp2122
1 files changed, 998 insertions, 1124 deletions
diff --git a/source/Commands/CommandObjectWatchpoint.cpp b/source/Commands/CommandObjectWatchpoint.cpp
index 977b6bb37437..baa9f4163a63 100644
--- a/source/Commands/CommandObjectWatchpoint.cpp
+++ b/source/Commands/CommandObjectWatchpoint.cpp
@@ -24,9 +24,9 @@
#include "lldb/Core/ValueObject.h"
#include "lldb/Core/ValueObjectVariable.h"
#include "lldb/Host/StringConvert.h"
+#include "lldb/Interpreter/CommandCompletions.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
-#include "lldb/Interpreter/CommandCompletions.h"
#include "lldb/Symbol/Variable.h"
#include "lldb/Symbol/VariableList.h"
#include "lldb/Target/StackFrame.h"
@@ -35,308 +35,271 @@
using namespace lldb;
using namespace lldb_private;
-static void
-AddWatchpointDescription(Stream *s, Watchpoint *wp, lldb::DescriptionLevel level)
-{
- s->IndentMore();
- wp->GetDescription(s, level);
- s->IndentLess();
- s->EOL();
+static void AddWatchpointDescription(Stream *s, Watchpoint *wp,
+ lldb::DescriptionLevel level) {
+ s->IndentMore();
+ wp->GetDescription(s, level);
+ s->IndentLess();
+ s->EOL();
}
-static bool
-CheckTargetForWatchpointOperations(Target *target, CommandReturnObject &result)
-{
- if (target == nullptr)
- {
- result.AppendError ("Invalid target. No existing target or watchpoints.");
- result.SetStatus (eReturnStatusFailed);
- return false;
- }
- bool process_is_valid = target->GetProcessSP() && target->GetProcessSP()->IsAlive();
- if (!process_is_valid)
- {
- result.AppendError ("Thre's no process or it is not alive.");
- result.SetStatus (eReturnStatusFailed);
- return false;
- }
- // Target passes our checks, return true.
- return true;
+static bool CheckTargetForWatchpointOperations(Target *target,
+ CommandReturnObject &result) {
+ if (target == nullptr) {
+ result.AppendError("Invalid target. No existing target or watchpoints.");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
+ bool process_is_valid =
+ target->GetProcessSP() && target->GetProcessSP()->IsAlive();
+ if (!process_is_valid) {
+ result.AppendError("Thre's no process or it is not alive.");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
+ // Target passes our checks, return true.
+ return true;
}
// Equivalent class: {"-", "to", "To", "TO"} of range specifier array.
-static const char* RSA[4] = { "-", "to", "To", "TO" };
+static const char *RSA[4] = {"-", "to", "To", "TO"};
// Return the index to RSA if found; otherwise -1 is returned.
-static int32_t
-WithRSAIndex(llvm::StringRef &Arg)
-{
-
- uint32_t i;
- for (i = 0; i < 4; ++i)
- if (Arg.find(RSA[i]) != llvm::StringRef::npos)
- return i;
- return -1;
+static int32_t WithRSAIndex(llvm::StringRef Arg) {
+
+ uint32_t i;
+ for (i = 0; i < 4; ++i)
+ if (Arg.find(RSA[i]) != llvm::StringRef::npos)
+ return i;
+ return -1;
}
// Return true if wp_ids is successfully populated with the watch ids.
// False otherwise.
-bool
-CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(Target *target, Args &args, std::vector<uint32_t> &wp_ids)
-{
- // Pre-condition: args.GetArgumentCount() > 0.
- if (args.GetArgumentCount() == 0)
- {
- if (target == nullptr)
- return false;
- WatchpointSP watch_sp = target->GetLastCreatedWatchpoint();
- if (watch_sp)
- {
- wp_ids.push_back(watch_sp->GetID());
- return true;
- }
- else
- return false;
- }
-
- llvm::StringRef Minus("-");
- std::vector<llvm::StringRef> StrRefArgs;
- std::pair<llvm::StringRef, llvm::StringRef> Pair;
- size_t i;
- int32_t idx;
- // Go through the arguments and make a canonical form of arg list containing
- // only numbers with possible "-" in between.
- for (i = 0; i < args.GetArgumentCount(); ++i) {
- llvm::StringRef Arg(args.GetArgumentAtIndex(i));
- if ((idx = WithRSAIndex(Arg)) == -1) {
- StrRefArgs.push_back(Arg);
- continue;
- }
- // The Arg contains the range specifier, split it, then.
- Pair = Arg.split(RSA[idx]);
- if (!Pair.first.empty())
- StrRefArgs.push_back(Pair.first);
- StrRefArgs.push_back(Minus);
- if (!Pair.second.empty())
- StrRefArgs.push_back(Pair.second);
+bool CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(
+ Target *target, Args &args, std::vector<uint32_t> &wp_ids) {
+ // Pre-condition: args.GetArgumentCount() > 0.
+ if (args.GetArgumentCount() == 0) {
+ if (target == nullptr)
+ return false;
+ WatchpointSP watch_sp = target->GetLastCreatedWatchpoint();
+ if (watch_sp) {
+ wp_ids.push_back(watch_sp->GetID());
+ return true;
+ } else
+ return false;
+ }
+
+ llvm::StringRef Minus("-");
+ std::vector<llvm::StringRef> StrRefArgs;
+ llvm::StringRef first;
+ llvm::StringRef second;
+ size_t i;
+ int32_t idx;
+ // Go through the arguments and make a canonical form of arg list containing
+ // only numbers with possible "-" in between.
+ for (auto &entry : args.entries()) {
+ if ((idx = WithRSAIndex(entry.ref)) == -1) {
+ StrRefArgs.push_back(entry.ref);
+ continue;
}
- // Now process the canonical list and fill in the vector of uint32_t's.
- // If there is any error, return false and the client should ignore wp_ids.
- uint32_t beg, end, id;
- size_t size = StrRefArgs.size();
- bool in_range = false;
- for (i = 0; i < size; ++i) {
- llvm::StringRef Arg = StrRefArgs[i];
- if (in_range) {
- // Look for the 'end' of the range. Note StringRef::getAsInteger()
- // returns true to signify error while parsing.
- if (Arg.getAsInteger(0, end))
- return false;
- // Found a range! Now append the elements.
- for (id = beg; id <= end; ++id)
- wp_ids.push_back(id);
- in_range = false;
- continue;
- }
- if (i < (size - 1) && StrRefArgs[i+1] == Minus) {
- if (Arg.getAsInteger(0, beg))
- return false;
- // Turn on the in_range flag, we are looking for end of range next.
- ++i; in_range = true;
- continue;
- }
- // Otherwise, we have a simple ID. Just append it.
- if (Arg.getAsInteger(0, beg))
- return false;
- wp_ids.push_back(beg);
+ // The Arg contains the range specifier, split it, then.
+ std::tie(first, second) = entry.ref.split(RSA[idx]);
+ if (!first.empty())
+ StrRefArgs.push_back(first);
+ StrRefArgs.push_back(Minus);
+ if (!second.empty())
+ StrRefArgs.push_back(second);
+ }
+ // Now process the canonical list and fill in the vector of uint32_t's.
+ // If there is any error, return false and the client should ignore wp_ids.
+ uint32_t beg, end, id;
+ size_t size = StrRefArgs.size();
+ bool in_range = false;
+ for (i = 0; i < size; ++i) {
+ llvm::StringRef Arg = StrRefArgs[i];
+ if (in_range) {
+ // Look for the 'end' of the range. Note StringRef::getAsInteger()
+ // returns true to signify error while parsing.
+ if (Arg.getAsInteger(0, end))
+ return false;
+ // Found a range! Now append the elements.
+ for (id = beg; id <= end; ++id)
+ wp_ids.push_back(id);
+ in_range = false;
+ continue;
}
- // It is an error if after the loop, we're still in_range.
- if (in_range)
+ if (i < (size - 1) && StrRefArgs[i + 1] == Minus) {
+ if (Arg.getAsInteger(0, beg))
return false;
-
- return true; // Success!
+ // Turn on the in_range flag, we are looking for end of range next.
+ ++i;
+ in_range = true;
+ continue;
+ }
+ // Otherwise, we have a simple ID. Just append it.
+ if (Arg.getAsInteger(0, beg))
+ return false;
+ wp_ids.push_back(beg);
+ }
+ // It is an error if after the loop, we're still in_range.
+ if (in_range)
+ return false;
+
+ return true; // Success!
}
//-------------------------------------------------------------------------
// CommandObjectWatchpointList
//-------------------------------------------------------------------------
+
+//-------------------------------------------------------------------------
+// CommandObjectWatchpointList::Options
+//-------------------------------------------------------------------------
+#pragma mark List::CommandOptions
+
+static OptionDefinition g_watchpoint_list_options[] = {
+ // clang-format off
+ { LLDB_OPT_SET_1, false, "brief", 'b', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Give a brief description of the watchpoint (no location info)." },
+ { LLDB_OPT_SET_2, false, "full", 'f', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Give a full description of the watchpoint and its locations." },
+ { LLDB_OPT_SET_3, false, "verbose", 'v', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Explain everything we know about the watchpoint (for debugging debugger bugs)." }
+ // clang-format on
+};
+
#pragma mark List
-class CommandObjectWatchpointList : public CommandObjectParsed
-{
+class CommandObjectWatchpointList : public CommandObjectParsed {
public:
- CommandObjectWatchpointList (CommandInterpreter &interpreter) :
- CommandObjectParsed(interpreter,
- "watchpoint list",
- "List all watchpoints at configurable levels of detail.",
- nullptr),
- 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);
+ CommandObjectWatchpointList(CommandInterpreter &interpreter)
+ : CommandObjectParsed(
+ interpreter, "watchpoint list",
+ "List all watchpoints at configurable levels of detail.", nullptr),
+ m_options() {
+ 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);
+ }
+
+ ~CommandObjectWatchpointList() override = default;
+
+ Options *GetOptions() override { return &m_options; }
+
+ class CommandOptions : public Options {
+ public:
+ CommandOptions()
+ : Options(),
+ m_level(lldb::eDescriptionLevelBrief) // Watchpoint List defaults to
+ // brief descriptions
+ {}
+
+ ~CommandOptions() override = default;
+
+ Error SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
+ ExecutionContext *execution_context) override {
+ Error error;
+ const int short_option = 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;
+ default:
+ error.SetErrorStringWithFormat("unrecognized option '%c'",
+ short_option);
+ break;
+ }
+
+ return error;
}
- ~CommandObjectWatchpointList() override = default;
-
- Options *
- GetOptions () override
- {
- return &m_options;
+ void OptionParsingStarting(ExecutionContext *execution_context) override {
+ m_level = lldb::eDescriptionLevelFull;
}
- class CommandOptions : public Options
- {
- public:
- CommandOptions (CommandInterpreter &interpreter) :
- Options(interpreter),
- m_level(lldb::eDescriptionLevelBrief) // Watchpoint List defaults to brief descriptions
- {
- }
-
- ~CommandOptions() override = default;
-
- Error
- SetOptionValue (uint32_t option_idx, const char *option_arg) override
- {
- Error error;
- const int short_option = m_getopt_table[option_idx].val;
-
- switch (short_option)
- {
- case 'b':
- m_level = lldb::eDescriptionLevelBrief;
- break;
- case 'f':
- m_level = lldb::eDescriptionLevelFull;
- break;
- case 'v':
- m_level = lldb::eDescriptionLevelVerbose;
- break;
- default:
- error.SetErrorStringWithFormat("unrecognized option '%c'", short_option);
- break;
- }
-
- return error;
- }
-
- void
- OptionParsingStarting () override
- {
- m_level = lldb::eDescriptionLevelFull;
- }
-
- const OptionDefinition *
- GetDefinitions () override
- {
- return g_option_table;
- }
-
- // Options table: Required for subclasses of Options.
-
- static OptionDefinition g_option_table[];
+ llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
+ return llvm::makeArrayRef(g_watchpoint_list_options);
+ }
- // Instance variables to hold the values for command options.
+ // Instance variables to hold the values for command options.
- lldb::DescriptionLevel m_level;
- };
+ lldb::DescriptionLevel m_level;
+ };
protected:
- bool
- DoExecute (Args& command, CommandReturnObject &result) override
- {
- Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
- if (target == nullptr)
- {
- result.AppendError ("Invalid target. No current target or watchpoints.");
- result.SetStatus (eReturnStatusSuccessFinishNoResult);
- return true;
- }
-
- if (target->GetProcessSP() && target->GetProcessSP()->IsAlive())
- {
- uint32_t num_supported_hardware_watchpoints;
- Error error = target->GetProcessSP()->GetWatchpointSupportInfo(num_supported_hardware_watchpoints);
- if (error.Success())
- result.AppendMessageWithFormat("Number of supported hardware watchpoints: %u\n",
- num_supported_hardware_watchpoints);
- }
-
- const WatchpointList &watchpoints = target->GetWatchpointList();
+ bool DoExecute(Args &command, CommandReturnObject &result) override {
+ Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
+ if (target == nullptr) {
+ result.AppendError("Invalid target. No current target or watchpoints.");
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
+ return true;
+ }
- std::unique_lock<std::recursive_mutex> lock;
- target->GetWatchpointList().GetListMutex(lock);
+ if (target->GetProcessSP() && target->GetProcessSP()->IsAlive()) {
+ uint32_t num_supported_hardware_watchpoints;
+ Error error = target->GetProcessSP()->GetWatchpointSupportInfo(
+ num_supported_hardware_watchpoints);
+ if (error.Success())
+ result.AppendMessageWithFormat(
+ "Number of supported hardware watchpoints: %u\n",
+ num_supported_hardware_watchpoints);
+ }
- size_t num_watchpoints = watchpoints.GetSize();
+ const WatchpointList &watchpoints = target->GetWatchpointList();
- if (num_watchpoints == 0)
- {
- result.AppendMessage("No watchpoints currently set.");
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- return true;
- }
+ std::unique_lock<std::recursive_mutex> lock;
+ target->GetWatchpointList().GetListMutex(lock);
- Stream &output_stream = result.GetOutputStream();
-
- if (command.GetArgumentCount() == 0)
- {
- // No watchpoint selected; show info about all currently set watchpoints.
- result.AppendMessage ("Current watchpoints:");
- for (size_t i = 0; i < num_watchpoints; ++i)
- {
- Watchpoint *wp = watchpoints.GetByIndex(i).get();
- AddWatchpointDescription(&output_stream, wp, m_options.m_level);
- }
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- }
- else
- {
- // Particular watchpoints selected; enable them.
- std::vector<uint32_t> wp_ids;
- if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, wp_ids))
- {
- result.AppendError("Invalid watchpoints specification.");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- const size_t size = wp_ids.size();
- for (size_t i = 0; i < size; ++i)
- {
- Watchpoint *wp = watchpoints.FindByID(wp_ids[i]).get();
- if (wp)
- AddWatchpointDescription(&output_stream, wp, m_options.m_level);
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- }
- }
+ size_t num_watchpoints = watchpoints.GetSize();
- return result.Succeeded();
+ if (num_watchpoints == 0) {
+ result.AppendMessage("No watchpoints currently set.");
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
+ return true;
}
-private:
- CommandOptions m_options;
-};
-
-//-------------------------------------------------------------------------
-// CommandObjectWatchpointList::Options
-//-------------------------------------------------------------------------
-#pragma mark List::CommandOptions
-
-OptionDefinition
-CommandObjectWatchpointList::CommandOptions::g_option_table[] =
-{
- { LLDB_OPT_SET_1, false, "brief", 'b', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone,
- "Give a brief description of the watchpoint (no location info)."},
+ Stream &output_stream = result.GetOutputStream();
+
+ if (command.GetArgumentCount() == 0) {
+ // No watchpoint selected; show info about all currently set watchpoints.
+ result.AppendMessage("Current watchpoints:");
+ for (size_t i = 0; i < num_watchpoints; ++i) {
+ Watchpoint *wp = watchpoints.GetByIndex(i).get();
+ AddWatchpointDescription(&output_stream, wp, m_options.m_level);
+ }
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
+ } else {
+ // Particular watchpoints selected; enable them.
+ std::vector<uint32_t> wp_ids;
+ if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(
+ target, command, wp_ids)) {
+ result.AppendError("Invalid watchpoints specification.");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
- { LLDB_OPT_SET_2, false, "full", 'f', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone,
- "Give a full description of the watchpoint and its locations."},
+ const size_t size = wp_ids.size();
+ for (size_t i = 0; i < size; ++i) {
+ Watchpoint *wp = watchpoints.FindByID(wp_ids[i]).get();
+ if (wp)
+ AddWatchpointDescription(&output_stream, wp, m_options.m_level);
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
+ }
+ }
- { LLDB_OPT_SET_3, false, "verbose", 'v', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone,
- "Explain everything we know about the watchpoint (for debugging debugger bugs)." },
+ return result.Succeeded();
+ }
- { 0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
+private:
+ CommandOptions m_options;
};
//-------------------------------------------------------------------------
@@ -344,75 +307,70 @@ CommandObjectWatchpointList::CommandOptions::g_option_table[] =
//-------------------------------------------------------------------------
#pragma mark Enable
-class CommandObjectWatchpointEnable : public CommandObjectParsed
-{
+class CommandObjectWatchpointEnable : public CommandObjectParsed {
public:
- CommandObjectWatchpointEnable (CommandInterpreter &interpreter) :
- CommandObjectParsed(interpreter,
- "enable",
- "Enable the specified disabled watchpoint(s). If no watchpoints are specified, enable all of them.",
- nullptr)
- {
- 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);
- }
-
- ~CommandObjectWatchpointEnable() override = default;
+ CommandObjectWatchpointEnable(CommandInterpreter &interpreter)
+ : CommandObjectParsed(interpreter, "enable",
+ "Enable the specified disabled watchpoint(s). If "
+ "no watchpoints are specified, enable all of them.",
+ nullptr) {
+ 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);
+ }
+
+ ~CommandObjectWatchpointEnable() override = default;
protected:
- bool
- DoExecute (Args& command,
- CommandReturnObject &result) override
- {
- Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
- if (!CheckTargetForWatchpointOperations(target, result))
- return false;
-
- std::unique_lock<std::recursive_mutex> lock;
- target->GetWatchpointList().GetListMutex(lock);
-
- const WatchpointList &watchpoints = target->GetWatchpointList();
-
- size_t num_watchpoints = watchpoints.GetSize();
-
- if (num_watchpoints == 0)
- {
- result.AppendError("No watchpoints exist to be enabled.");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
+ bool DoExecute(Args &command, CommandReturnObject &result) override {
+ Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
+ if (!CheckTargetForWatchpointOperations(target, result))
+ return false;
- if (command.GetArgumentCount() == 0)
- {
- // No watchpoint selected; enable all currently set watchpoints.
- target->EnableAllWatchpoints();
- result.AppendMessageWithFormat("All watchpoints enabled. (%" PRIu64 " watchpoints)\n", (uint64_t)num_watchpoints);
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- }
- else
- {
- // Particular watchpoints selected; enable them.
- std::vector<uint32_t> wp_ids;
- if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 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->EnableWatchpointByID(wp_ids[i]))
- ++count;
- result.AppendMessageWithFormat("%d watchpoints enabled.\n", count);
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- }
+ std::unique_lock<std::recursive_mutex> lock;
+ target->GetWatchpointList().GetListMutex(lock);
+
+ const WatchpointList &watchpoints = target->GetWatchpointList();
- return result.Succeeded();
+ size_t num_watchpoints = watchpoints.GetSize();
+
+ if (num_watchpoints == 0) {
+ result.AppendError("No watchpoints exist to be enabled.");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
+
+ if (command.GetArgumentCount() == 0) {
+ // No watchpoint selected; enable all currently set watchpoints.
+ target->EnableAllWatchpoints();
+ result.AppendMessageWithFormat("All watchpoints enabled. (%" PRIu64
+ " watchpoints)\n",
+ (uint64_t)num_watchpoints);
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
+ } else {
+ // Particular watchpoints selected; enable them.
+ std::vector<uint32_t> wp_ids;
+ if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(
+ target, command, 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->EnableWatchpointByID(wp_ids[i]))
+ ++count;
+ result.AppendMessageWithFormat("%d watchpoints enabled.\n", count);
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
+
+ return result.Succeeded();
+ }
};
//-------------------------------------------------------------------------
@@ -420,80 +378,74 @@ protected:
//-------------------------------------------------------------------------
#pragma mark Disable
-class CommandObjectWatchpointDisable : public CommandObjectParsed
-{
+class CommandObjectWatchpointDisable : public CommandObjectParsed {
public:
- CommandObjectWatchpointDisable (CommandInterpreter &interpreter) :
- CommandObjectParsed(interpreter,
- "watchpoint disable",
- "Disable the specified watchpoint(s) without removing it/them. If no watchpoints are specified, disable them all.",
- nullptr)
- {
- 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);
- }
-
- ~CommandObjectWatchpointDisable() override = default;
+ CommandObjectWatchpointDisable(CommandInterpreter &interpreter)
+ : CommandObjectParsed(interpreter, "watchpoint disable",
+ "Disable the specified watchpoint(s) without "
+ "removing it/them. If no watchpoints are "
+ "specified, disable them all.",
+ nullptr) {
+ 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);
+ }
+
+ ~CommandObjectWatchpointDisable() override = default;
protected:
- bool
- DoExecute (Args& command, CommandReturnObject &result) override
- {
- Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
- if (!CheckTargetForWatchpointOperations(target, result))
- return false;
-
- std::unique_lock<std::recursive_mutex> lock;
- target->GetWatchpointList().GetListMutex(lock);
-
- const WatchpointList &watchpoints = target->GetWatchpointList();
- size_t num_watchpoints = watchpoints.GetSize();
-
- if (num_watchpoints == 0)
- {
- result.AppendError("No watchpoints exist to be disabled.");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
+ bool DoExecute(Args &command, CommandReturnObject &result) override {
+ Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
+ if (!CheckTargetForWatchpointOperations(target, result))
+ return false;
- if (command.GetArgumentCount() == 0)
- {
- // No watchpoint selected; disable all currently set watchpoints.
- if (target->DisableAllWatchpoints())
- {
- result.AppendMessageWithFormat("All watchpoints disabled. (%" PRIu64 " watchpoints)\n", (uint64_t)num_watchpoints);
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- }
- else
- {
- result.AppendError("Disable all watchpoints failed\n");
- result.SetStatus(eReturnStatusFailed);
- }
- }
- else
- {
- // Particular watchpoints selected; disable them.
- std::vector<uint32_t> wp_ids;
- if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 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->DisableWatchpointByID(wp_ids[i]))
- ++count;
- result.AppendMessageWithFormat("%d watchpoints disabled.\n", count);
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- }
+ std::unique_lock<std::recursive_mutex> lock;
+ target->GetWatchpointList().GetListMutex(lock);
+
+ const WatchpointList &watchpoints = target->GetWatchpointList();
+ size_t num_watchpoints = watchpoints.GetSize();
+
+ if (num_watchpoints == 0) {
+ result.AppendError("No watchpoints exist to be disabled.");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
- return result.Succeeded();
+ if (command.GetArgumentCount() == 0) {
+ // No watchpoint selected; disable all currently set watchpoints.
+ if (target->DisableAllWatchpoints()) {
+ result.AppendMessageWithFormat("All watchpoints disabled. (%" PRIu64
+ " watchpoints)\n",
+ (uint64_t)num_watchpoints);
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
+ } else {
+ result.AppendError("Disable all watchpoints failed\n");
+ result.SetStatus(eReturnStatusFailed);
+ }
+ } else {
+ // Particular watchpoints selected; disable them.
+ std::vector<uint32_t> wp_ids;
+ if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(
+ target, command, 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->DisableWatchpointByID(wp_ids[i]))
+ ++count;
+ result.AppendMessageWithFormat("%d watchpoints disabled.\n", count);
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
+
+ return result.Succeeded();
+ }
};
//-------------------------------------------------------------------------
@@ -501,385 +453,327 @@ protected:
//-------------------------------------------------------------------------
#pragma mark Delete
-class CommandObjectWatchpointDelete : public CommandObjectParsed
-{
+class CommandObjectWatchpointDelete : public CommandObjectParsed {
public:
- CommandObjectWatchpointDelete (CommandInterpreter &interpreter) :
- CommandObjectParsed(interpreter,
- "watchpoint delete",
- "Delete the specified watchpoint(s). If no watchpoints are specified, delete them all.",
- nullptr)
- {
- 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);
- }
-
- ~CommandObjectWatchpointDelete() override = default;
+ CommandObjectWatchpointDelete(CommandInterpreter &interpreter)
+ : CommandObjectParsed(interpreter, "watchpoint delete",
+ "Delete the specified watchpoint(s). If no "
+ "watchpoints are specified, delete them all.",
+ nullptr) {
+ 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);
+ }
+
+ ~CommandObjectWatchpointDelete() override = default;
protected:
- bool
- DoExecute (Args& command, CommandReturnObject &result) override
- {
- Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
- if (!CheckTargetForWatchpointOperations(target, result))
- return false;
+ bool DoExecute(Args &command, CommandReturnObject &result) override {
+ Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
+ if (!CheckTargetForWatchpointOperations(target, result))
+ return false;
- std::unique_lock<std::recursive_mutex> lock;
- target->GetWatchpointList().GetListMutex(lock);
+ std::unique_lock<std::recursive_mutex> lock;
+ target->GetWatchpointList().GetListMutex(lock);
- const WatchpointList &watchpoints = target->GetWatchpointList();
+ const WatchpointList &watchpoints = target->GetWatchpointList();
- size_t num_watchpoints = watchpoints.GetSize();
+ size_t num_watchpoints = watchpoints.GetSize();
- if (num_watchpoints == 0)
- {
- result.AppendError("No watchpoints exist to be deleted.");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- if (command.GetArgumentCount() == 0)
- {
- if (!m_interpreter.Confirm("About to delete all watchpoints, do you want to do that?", true))
- {
- result.AppendMessage("Operation cancelled...");
- }
- else
- {
- target->RemoveAllWatchpoints();
- result.AppendMessageWithFormat("All watchpoints removed. (%" PRIu64 " watchpoints)\n", (uint64_t)num_watchpoints);
- }
- result.SetStatus (eReturnStatusSuccessFinishNoResult);
- }
- else
- {
- // Particular watchpoints selected; delete them.
- std::vector<uint32_t> wp_ids;
- if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 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);
- }
+ if (num_watchpoints == 0) {
+ result.AppendError("No watchpoints exist to be deleted.");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
- return result.Succeeded();
+ if (command.GetArgumentCount() == 0) {
+ if (!m_interpreter.Confirm(
+ "About to delete all watchpoints, do you want to do that?",
+ true)) {
+ result.AppendMessage("Operation cancelled...");
+ } else {
+ target->RemoveAllWatchpoints();
+ result.AppendMessageWithFormat("All watchpoints removed. (%" PRIu64
+ " watchpoints)\n",
+ (uint64_t)num_watchpoints);
+ }
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
+ } else {
+ // Particular watchpoints selected; delete them.
+ std::vector<uint32_t> wp_ids;
+ if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(
+ target, command, 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
//-------------------------------------------------------------------------
-class CommandObjectWatchpointIgnore : public CommandObjectParsed
-{
+#pragma mark Ignore::CommandOptions
+static OptionDefinition g_watchpoint_ignore_options[] = {
+ // clang-format off
+ { LLDB_OPT_SET_ALL, true, "ignore-count", 'i', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeCount, "Set the number of times this watchpoint is skipped before stopping." }
+ // clang-format on
+};
+
+class CommandObjectWatchpointIgnore : public CommandObjectParsed {
public:
- CommandObjectWatchpointIgnore (CommandInterpreter &interpreter) :
- CommandObjectParsed(interpreter,
- "watchpoint ignore",
- "Set ignore count on the specified watchpoint(s). If no watchpoints are specified, set them all.",
+ CommandObjectWatchpointIgnore(CommandInterpreter &interpreter)
+ : CommandObjectParsed(interpreter, "watchpoint ignore",
+ "Set ignore count on the specified watchpoint(s). "
+ "If no watchpoints are specified, set them all.",
nullptr),
- 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);
+ m_options() {
+ 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() override = default;
+
+ Options *GetOptions() override { return &m_options; }
+
+ class CommandOptions : public Options {
+ public:
+ CommandOptions() : Options(), m_ignore_count(0) {}
+
+ ~CommandOptions() override = default;
+
+ Error SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
+ ExecutionContext *execution_context) override {
+ Error error;
+ const int short_option = m_getopt_table[option_idx].val;
+
+ switch (short_option) {
+ case 'i':
+ if (option_arg.getAsInteger(0, m_ignore_count))
+ error.SetErrorStringWithFormat("invalid ignore count '%s'",
+ option_arg.str().c_str());
+ break;
+ default:
+ error.SetErrorStringWithFormat("unrecognized option '%c'",
+ short_option);
+ break;
+ }
+
+ return error;
}
- ~CommandObjectWatchpointIgnore() override = default;
-
- Options *
- GetOptions () override
- {
- return &m_options;
+ void OptionParsingStarting(ExecutionContext *execution_context) override {
+ m_ignore_count = 0;
}
- class CommandOptions : public Options
- {
- public:
- CommandOptions (CommandInterpreter &interpreter) :
- Options (interpreter),
- m_ignore_count (0)
- {
- }
-
- ~CommandOptions() override = default;
-
- Error
- SetOptionValue (uint32_t option_idx, const char *option_arg) override
- {
- Error error;
- const int short_option = m_getopt_table[option_idx].val;
-
- switch (short_option)
- {
- case 'i':
- m_ignore_count = StringConvert::ToUInt32(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
- OptionParsingStarting () override
- {
- m_ignore_count = 0;
- }
-
- const OptionDefinition *
- GetDefinitions () override
- {
- return g_option_table;
- }
+ llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
+ return llvm::makeArrayRef(g_watchpoint_ignore_options);
+ }
- // Options table: Required for subclasses of Options.
+ // Instance variables to hold the values for command options.
- static OptionDefinition g_option_table[];
+ uint32_t m_ignore_count;
+ };
- // Instance variables to hold the values for command options.
+protected:
+ bool DoExecute(Args &command, CommandReturnObject &result) override {
+ Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
+ if (!CheckTargetForWatchpointOperations(target, result))
+ return false;
- uint32_t m_ignore_count;
- };
+ std::unique_lock<std::recursive_mutex> lock;
+ target->GetWatchpointList().GetListMutex(lock);
-protected:
- bool
- DoExecute (Args& command,
- CommandReturnObject &result) override
- {
- Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
- if (!CheckTargetForWatchpointOperations(target, result))
- return false;
-
- std::unique_lock<std::recursive_mutex> lock;
- target->GetWatchpointList().GetListMutex(lock);
-
- 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;
- }
+ const WatchpointList &watchpoints = target->GetWatchpointList();
- if (command.GetArgumentCount() == 0)
- {
- target->IgnoreAllWatchpoints(m_options.m_ignore_count);
- result.AppendMessageWithFormat("All watchpoints ignored. (%" PRIu64 " watchpoints)\n", (uint64_t)num_watchpoints);
- result.SetStatus (eReturnStatusSuccessFinishNoResult);
- }
- else
- {
- // Particular watchpoints selected; ignore them.
- std::vector<uint32_t> wp_ids;
- if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 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);
- }
+ size_t num_watchpoints = watchpoints.GetSize();
- return result.Succeeded();
+ if (num_watchpoints == 0) {
+ result.AppendError("No watchpoints exist to be ignored.");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
}
-private:
- CommandOptions m_options;
-};
+ if (command.GetArgumentCount() == 0) {
+ target->IgnoreAllWatchpoints(m_options.m_ignore_count);
+ result.AppendMessageWithFormat("All watchpoints ignored. (%" PRIu64
+ " watchpoints)\n",
+ (uint64_t)num_watchpoints);
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
+ } else {
+ // Particular watchpoints selected; ignore them.
+ std::vector<uint32_t> wp_ids;
+ if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(
+ target, command, 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);
+ }
-#pragma mark Ignore::CommandOptions
+ return result.Succeeded();
+ }
-OptionDefinition
-CommandObjectWatchpointIgnore::CommandOptions::g_option_table[] =
-{
- { LLDB_OPT_SET_ALL, true, "ignore-count", 'i', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeCount, "Set the number of times this watchpoint is skipped before stopping." },
- { 0, false, nullptr, 0 , 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
+private:
+ CommandOptions m_options;
};
//-------------------------------------------------------------------------
// CommandObjectWatchpointModify
//-------------------------------------------------------------------------
+
+#pragma mark Modify::CommandOptions
+
+static OptionDefinition g_watchpoint_modify_options[] = {
+ // clang-format off
+ { LLDB_OPT_SET_ALL, false, "condition", 'c', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeExpression, "The watchpoint stops only if this condition expression evaluates to true." }
+ // clang-format on
+};
+
#pragma mark Modify
-class CommandObjectWatchpointModify : public CommandObjectParsed
-{
+class CommandObjectWatchpointModify : public CommandObjectParsed {
public:
- CommandObjectWatchpointModify (CommandInterpreter &interpreter) :
- CommandObjectParsed(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.",
- nullptr),
- 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(CommandInterpreter &interpreter)
+ : CommandObjectParsed(
+ 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.",
+ nullptr),
+ m_options() {
+ 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() override = default;
+
+ Options *GetOptions() override { return &m_options; }
+
+ class CommandOptions : public Options {
+ public:
+ CommandOptions() : Options(), m_condition(), m_condition_passed(false) {}
+
+ ~CommandOptions() override = default;
+
+ Error SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
+ ExecutionContext *execution_context) override {
+ Error error;
+ const int short_option = m_getopt_table[option_idx].val;
+
+ switch (short_option) {
+ case 'c':
+ m_condition = option_arg;
+ m_condition_passed = true;
+ break;
+ default:
+ error.SetErrorStringWithFormat("unrecognized option '%c'",
+ short_option);
+ break;
+ }
+
+ return error;
}
- ~CommandObjectWatchpointModify() override = default;
-
- Options *
- GetOptions () override
- {
- return &m_options;
+ void OptionParsingStarting(ExecutionContext *execution_context) override {
+ m_condition.clear();
+ m_condition_passed = false;
}
- class CommandOptions : public Options
- {
- public:
- CommandOptions (CommandInterpreter &interpreter) :
- Options (interpreter),
- m_condition (),
- m_condition_passed (false)
- {
- }
-
- ~CommandOptions() override = default;
-
- Error
- SetOptionValue (uint32_t option_idx, const char *option_arg) override
- {
- Error error;
- const int short_option = m_getopt_table[option_idx].val;
-
- switch (short_option)
- {
- case 'c':
- if (option_arg != nullptr)
- 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
- OptionParsingStarting () override
- {
- m_condition.clear();
- m_condition_passed = false;
- }
-
- const OptionDefinition*
- GetDefinitions () override
- {
- return g_option_table;
- }
-
- // Options table: Required for subclasses of Options.
-
- static OptionDefinition g_option_table[];
+ llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
+ return llvm::makeArrayRef(g_watchpoint_modify_options);
+ }
- // Instance variables to hold the values for command options.
+ // Instance variables to hold the values for command options.
- std::string m_condition;
- bool m_condition_passed;
- };
+ std::string m_condition;
+ bool m_condition_passed;
+ };
protected:
- bool
- DoExecute (Args& command, CommandReturnObject &result) override
- {
- Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
- if (!CheckTargetForWatchpointOperations(target, result))
- return false;
+ bool DoExecute(Args &command, CommandReturnObject &result) override {
+ Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
+ if (!CheckTargetForWatchpointOperations(target, result))
+ return false;
- std::unique_lock<std::recursive_mutex> lock;
- target->GetWatchpointList().GetListMutex(lock);
+ std::unique_lock<std::recursive_mutex> lock;
+ target->GetWatchpointList().GetListMutex(lock);
- const WatchpointList &watchpoints = target->GetWatchpointList();
+ const WatchpointList &watchpoints = target->GetWatchpointList();
- size_t num_watchpoints = watchpoints.GetSize();
+ size_t num_watchpoints = watchpoints.GetSize();
- if (num_watchpoints == 0)
- {
- result.AppendError("No watchpoints exist to be modified.");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
+ if (num_watchpoints == 0) {
+ result.AppendError("No watchpoints exist to be modified.");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
- if (command.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 (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 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);
+ if (command.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 (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(
+ target, command, 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;
}
-
- return result.Succeeded();
+ }
+ result.AppendMessageWithFormat("%d watchpoints modified.\n", count);
+ result.SetStatus(eReturnStatusSuccessFinishNoResult);
}
-private:
- CommandOptions m_options;
-};
+ return result.Succeeded();
+ }
-#pragma mark Modify::CommandOptions
-
-OptionDefinition
-CommandObjectWatchpointModify::CommandOptions::g_option_table[] =
-{
-{ LLDB_OPT_SET_ALL, false, "condition", 'c', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeExpression, "The watchpoint stops only if this condition expression evaluates to true."},
-{ 0, false, nullptr, 0 , 0, nullptr, nullptr, 0, eArgTypeNone, nullptr }
+private:
+ CommandOptions m_options;
};
//-------------------------------------------------------------------------
@@ -887,208 +781,189 @@ CommandObjectWatchpointModify::CommandOptions::g_option_table[] =
//-------------------------------------------------------------------------
#pragma mark SetVariable
-class CommandObjectWatchpointSetVariable : public CommandObjectParsed
-{
+class CommandObjectWatchpointSetVariable : public CommandObjectParsed {
public:
- CommandObjectWatchpointSetVariable (CommandInterpreter &interpreter) :
- CommandObjectParsed(interpreter,
- "watchpoint set variable",
- "Set a watchpoint on a variable. "
- "Use the '-w' option to specify the type of watchpoint and "
- "the '-s' option to specify the byte size to watch for. "
- "If no '-w' option is specified, it defaults to write. "
- "If no '-s' option is specified, it defaults to the variable's "
- "byte size. "
- "Note that there are limited hardware resources for watchpoints. "
- "If watchpoint setting fails, consider disable/delete existing ones "
- "to free up resources.",
- nullptr,
- eCommandRequiresFrame |
- eCommandTryTargetAPILock |
- eCommandProcessMustBeLaunched |
- eCommandProcessMustBePaused ),
- m_option_group (interpreter),
- m_option_watchpoint ()
- {
- SetHelpLong(
-R"(
+ CommandObjectWatchpointSetVariable(CommandInterpreter &interpreter)
+ : CommandObjectParsed(
+ interpreter, "watchpoint set variable",
+ "Set a watchpoint on a variable. "
+ "Use the '-w' option to specify the type of watchpoint and "
+ "the '-s' option to specify the byte size to watch for. "
+ "If no '-w' option is specified, it defaults to write. "
+ "If no '-s' option is specified, it defaults to the variable's "
+ "byte size. "
+ "Note that there are limited hardware resources for watchpoints. "
+ "If watchpoint setting fails, consider disable/delete existing "
+ "ones "
+ "to free up resources.",
+ nullptr,
+ eCommandRequiresFrame | eCommandTryTargetAPILock |
+ eCommandProcessMustBeLaunched | eCommandProcessMustBePaused),
+ m_option_group(), m_option_watchpoint() {
+ SetHelpLong(
+ R"(
Examples:
(lldb) watchpoint set variable -w read_write my_global_var
-)" " Watches my_global_var for read/write access, with the region to watch \
-corresponding to the byte size of the data type."
- );
-
- CommandArgumentEntry arg;
- CommandArgumentData var_name_arg;
-
- // Define the only variant of this arg.
- var_name_arg.arg_type = eArgTypeVarName;
- var_name_arg.arg_repetition = eArgRepeatPlain;
-
- // Push the variant into the argument entry.
- arg.push_back (var_name_arg);
-
- // Push the data for the only argument into the m_arguments vector.
- m_arguments.push_back (arg);
-
- // Absorb the '-w' and '-s' options into our option group.
- m_option_group.Append (&m_option_watchpoint, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
- m_option_group.Finalize();
- }
+)"
+ " Watches my_global_var for read/write access, with the region to watch \
+corresponding to the byte size of the data type.");
- ~CommandObjectWatchpointSetVariable() override = default;
+ CommandArgumentEntry arg;
+ CommandArgumentData var_name_arg;
- Options *
- GetOptions () override
- {
- return &m_option_group;
- }
+ // Define the only variant of this arg.
+ var_name_arg.arg_type = eArgTypeVarName;
+ var_name_arg.arg_repetition = eArgRepeatPlain;
+
+ // Push the variant into the argument entry.
+ arg.push_back(var_name_arg);
+
+ // Push the data for the only argument into the m_arguments vector.
+ m_arguments.push_back(arg);
+
+ // Absorb the '-w' and '-s' options into our option group.
+ m_option_group.Append(&m_option_watchpoint, LLDB_OPT_SET_ALL,
+ LLDB_OPT_SET_1);
+ m_option_group.Finalize();
+ }
+
+ ~CommandObjectWatchpointSetVariable() override = default;
+
+ Options *GetOptions() override { return &m_option_group; }
protected:
- static size_t GetVariableCallback (void *baton,
- const char *name,
- VariableList &variable_list)
- {
- Target *target = static_cast<Target *>(baton);
- if (target)
- {
- return target->GetImages().FindGlobalVariables (ConstString(name),
- true,
- UINT32_MAX,
- variable_list);
- }
- return 0;
+ static size_t GetVariableCallback(void *baton, const char *name,
+ VariableList &variable_list) {
+ Target *target = static_cast<Target *>(baton);
+ if (target) {
+ return target->GetImages().FindGlobalVariables(ConstString(name), true,
+ UINT32_MAX, variable_list);
+ }
+ return 0;
+ }
+
+ bool DoExecute(Args &command, CommandReturnObject &result) override {
+ Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
+ StackFrame *frame = m_exe_ctx.GetFramePtr();
+
+ // If no argument is present, issue an error message. There's no way to set
+ // a watchpoint.
+ if (command.GetArgumentCount() <= 0) {
+ result.GetErrorStream().Printf("error: required argument missing; "
+ "specify your program variable to watch "
+ "for\n");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
}
-
- bool
- DoExecute (Args& command, CommandReturnObject &result) override
- {
- Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
- StackFrame *frame = m_exe_ctx.GetFramePtr();
-
- // If no argument is present, issue an error message. There's no way to set a watchpoint.
- if (command.GetArgumentCount() <= 0)
- {
- result.GetErrorStream().Printf("error: required argument missing; specify your program variable to watch for\n");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
- // If no '-w' is specified, default to '-w write'.
- if (!m_option_watchpoint.watch_type_specified)
- {
- m_option_watchpoint.watch_type = OptionGroupWatchpoint::eWatchWrite;
- }
+ // If no '-w' is specified, default to '-w write'.
+ if (!m_option_watchpoint.watch_type_specified) {
+ m_option_watchpoint.watch_type = OptionGroupWatchpoint::eWatchWrite;
+ }
- // We passed the sanity check for the command.
- // Proceed to set the watchpoint now.
- lldb::addr_t addr = 0;
- size_t size = 0;
-
- VariableSP var_sp;
- ValueObjectSP valobj_sp;
- Stream &output_stream = result.GetOutputStream();
-
- // A simple watch variable gesture allows only one argument.
- if (command.GetArgumentCount() != 1)
- {
- result.GetErrorStream().Printf("error: specify exactly one variable to watch for\n");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
+ // We passed the sanity check for the command.
+ // Proceed to set the watchpoint now.
+ lldb::addr_t addr = 0;
+ size_t size = 0;
+
+ VariableSP var_sp;
+ ValueObjectSP valobj_sp;
+ Stream &output_stream = result.GetOutputStream();
+
+ // A simple watch variable gesture allows only one argument.
+ if (command.GetArgumentCount() != 1) {
+ result.GetErrorStream().Printf(
+ "error: specify exactly one variable to watch for\n");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
- // Things have checked out ok...
- Error error;
- uint32_t expr_path_options = StackFrame::eExpressionPathOptionCheckPtrVsMember |
- StackFrame::eExpressionPathOptionsAllowDirectIVarAccess;
- valobj_sp = frame->GetValueForVariableExpressionPath (command.GetArgumentAtIndex(0),
- eNoDynamicValues,
- expr_path_options,
- var_sp,
- error);
-
- if (!valobj_sp)
- {
- // Not in the frame; let's check the globals.
-
- VariableList variable_list;
- ValueObjectList valobj_list;
-
- Error error (Variable::GetValuesForVariableExpressionPath (command.GetArgumentAtIndex(0),
- m_exe_ctx.GetBestExecutionContextScope(),
- GetVariableCallback,
- target,
- variable_list,
- valobj_list));
-
- if (valobj_list.GetSize())
- valobj_sp = valobj_list.GetValueObjectAtIndex(0);
- }
-
- CompilerType compiler_type;
-
- if (valobj_sp)
- {
- AddressType addr_type;
- addr = valobj_sp->GetAddressOf(false, &addr_type);
- if (addr_type == eAddressTypeLoad)
- {
- // We're in business.
- // Find out the size of this variable.
- size = m_option_watchpoint.watch_size == 0 ? valobj_sp->GetByteSize()
- : m_option_watchpoint.watch_size;
- }
- compiler_type = valobj_sp->GetCompilerType();
- }
- else
- {
- const char *error_cstr = error.AsCString(nullptr);
- if (error_cstr)
- result.GetErrorStream().Printf("error: %s\n", error_cstr);
- else
- result.GetErrorStream().Printf ("error: unable to find any variable expression path that matches '%s'\n",
- command.GetArgumentAtIndex(0));
- return false;
- }
+ // Things have checked out ok...
+ Error error;
+ uint32_t expr_path_options =
+ StackFrame::eExpressionPathOptionCheckPtrVsMember |
+ StackFrame::eExpressionPathOptionsAllowDirectIVarAccess;
+ valobj_sp = frame->GetValueForVariableExpressionPath(
+ command.GetArgumentAtIndex(0), eNoDynamicValues, expr_path_options,
+ var_sp, error);
- // Now it's time to create the watchpoint.
- uint32_t watch_type = m_option_watchpoint.watch_type;
-
- error.Clear();
- Watchpoint *wp = target->CreateWatchpoint(addr, size, &compiler_type, watch_type, error).get();
- if (wp)
- {
- wp->SetWatchSpec(command.GetArgumentAtIndex(0));
- wp->SetWatchVariable(true);
- if (var_sp && var_sp->GetDeclaration().GetFile())
- {
- StreamString ss;
- // True to show fullpath for declaration file.
- var_sp->GetDeclaration().DumpStopContext(&ss, true);
- wp->SetDeclInfo(ss.GetString());
- }
- output_stream.Printf("Watchpoint created: ");
- wp->GetDescription(&output_stream, lldb::eDescriptionLevelFull);
- output_stream.EOL();
- result.SetStatus(eReturnStatusSuccessFinishResult);
- }
- else
- {
- result.AppendErrorWithFormat("Watchpoint creation failed (addr=0x%" PRIx64 ", size=%" PRIu64 ", variable expression='%s').\n",
- addr, (uint64_t)size, command.GetArgumentAtIndex(0));
- if (error.AsCString(nullptr))
- result.AppendError(error.AsCString());
- result.SetStatus(eReturnStatusFailed);
- }
+ if (!valobj_sp) {
+ // Not in the frame; let's check the globals.
+
+ VariableList variable_list;
+ ValueObjectList valobj_list;
+
+ Error error(Variable::GetValuesForVariableExpressionPath(
+ command.GetArgumentAtIndex(0),
+ m_exe_ctx.GetBestExecutionContextScope(), GetVariableCallback, target,
+ variable_list, valobj_list));
+
+ if (valobj_list.GetSize())
+ valobj_sp = valobj_list.GetValueObjectAtIndex(0);
+ }
+
+ CompilerType compiler_type;
+
+ if (valobj_sp) {
+ AddressType addr_type;
+ addr = valobj_sp->GetAddressOf(false, &addr_type);
+ if (addr_type == eAddressTypeLoad) {
+ // We're in business.
+ // Find out the size of this variable.
+ size = m_option_watchpoint.watch_size == 0
+ ? valobj_sp->GetByteSize()
+ : m_option_watchpoint.watch_size;
+ }
+ compiler_type = valobj_sp->GetCompilerType();
+ } else {
+ const char *error_cstr = error.AsCString(nullptr);
+ if (error_cstr)
+ result.GetErrorStream().Printf("error: %s\n", error_cstr);
+ else
+ result.GetErrorStream().Printf("error: unable to find any variable "
+ "expression path that matches '%s'\n",
+ command.GetArgumentAtIndex(0));
+ return false;
+ }
- return result.Succeeded();
+ // Now it's time to create the watchpoint.
+ uint32_t watch_type = m_option_watchpoint.watch_type;
+
+ error.Clear();
+ Watchpoint *wp =
+ target->CreateWatchpoint(addr, size, &compiler_type, watch_type, error)
+ .get();
+ if (wp) {
+ wp->SetWatchSpec(command.GetArgumentAtIndex(0));
+ wp->SetWatchVariable(true);
+ if (var_sp && var_sp->GetDeclaration().GetFile()) {
+ StreamString ss;
+ // True to show fullpath for declaration file.
+ var_sp->GetDeclaration().DumpStopContext(&ss, true);
+ wp->SetDeclInfo(ss.GetString());
+ }
+ output_stream.Printf("Watchpoint created: ");
+ wp->GetDescription(&output_stream, lldb::eDescriptionLevelFull);
+ output_stream.EOL();
+ result.SetStatus(eReturnStatusSuccessFinishResult);
+ } else {
+ result.AppendErrorWithFormat(
+ "Watchpoint creation failed (addr=0x%" PRIx64 ", size=%" PRIu64
+ ", variable expression='%s').\n",
+ addr, (uint64_t)size, command.GetArgumentAtIndex(0));
+ if (error.AsCString(nullptr))
+ result.AppendError(error.AsCString());
+ result.SetStatus(eReturnStatusFailed);
}
+ return result.Succeeded();
+ }
+
private:
- OptionGroupOptions m_option_group;
- OptionGroupWatchpoint m_option_watchpoint;
+ OptionGroupOptions m_option_group;
+ OptionGroupWatchpoint m_option_watchpoint;
};
//-------------------------------------------------------------------------
@@ -1096,208 +971,195 @@ private:
//-------------------------------------------------------------------------
#pragma mark Set
-class CommandObjectWatchpointSetExpression : public CommandObjectRaw
-{
+class CommandObjectWatchpointSetExpression : public CommandObjectRaw {
public:
- CommandObjectWatchpointSetExpression (CommandInterpreter &interpreter) :
- CommandObjectRaw(interpreter,
- "watchpoint set expression",
- "Set a watchpoint on an address by supplying an expression. "
- "Use the '-w' option to specify the type of watchpoint and "
- "the '-s' option to specify the byte size to watch for. "
- "If no '-w' option is specified, it defaults to write. "
- "If no '-s' option is specified, it defaults to the target's "
- "pointer byte size. "
- "Note that there are limited hardware resources for watchpoints. "
- "If watchpoint setting fails, consider disable/delete existing ones "
- "to free up resources.",
- nullptr,
- eCommandRequiresFrame |
- eCommandTryTargetAPILock |
- eCommandProcessMustBeLaunched |
- eCommandProcessMustBePaused ),
- m_option_group (interpreter),
- m_option_watchpoint ()
- {
- SetHelpLong(
-R"(
+ CommandObjectWatchpointSetExpression(CommandInterpreter &interpreter)
+ : CommandObjectRaw(
+ interpreter, "watchpoint set expression",
+ "Set a watchpoint on an address by supplying an expression. "
+ "Use the '-w' option to specify the type of watchpoint and "
+ "the '-s' option to specify the byte size to watch for. "
+ "If no '-w' option is specified, it defaults to write. "
+ "If no '-s' option is specified, it defaults to the target's "
+ "pointer byte size. "
+ "Note that there are limited hardware resources for watchpoints. "
+ "If watchpoint setting fails, consider disable/delete existing "
+ "ones "
+ "to free up resources.",
+ "",
+ eCommandRequiresFrame | eCommandTryTargetAPILock |
+ eCommandProcessMustBeLaunched | eCommandProcessMustBePaused),
+ m_option_group(), m_option_watchpoint() {
+ SetHelpLong(
+ R"(
Examples:
(lldb) watchpoint set expression -w write -s 1 -- foo + 32
- Watches write access for the 1-byte region pointed to by the address 'foo + 32')"
- );
-
- CommandArgumentEntry arg;
- CommandArgumentData expression_arg;
-
- // Define the only variant of this arg.
- expression_arg.arg_type = eArgTypeExpression;
- expression_arg.arg_repetition = eArgRepeatPlain;
-
- // Push the only variant into the argument entry.
- arg.push_back (expression_arg);
-
- // Push the data for the only argument into the m_arguments vector.
- m_arguments.push_back (arg);
-
- // Absorb the '-w' and '-s' options into our option group.
- m_option_group.Append (&m_option_watchpoint, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1);
- m_option_group.Finalize();
- }
+ Watches write access for the 1-byte region pointed to by the address 'foo + 32')");
- ~CommandObjectWatchpointSetExpression() override = default;
+ CommandArgumentEntry arg;
+ CommandArgumentData expression_arg;
- // Overrides base class's behavior where WantsCompletion = !WantsRawCommandString.
- bool
- WantsCompletion() override { return true; }
+ // Define the only variant of this arg.
+ expression_arg.arg_type = eArgTypeExpression;
+ expression_arg.arg_repetition = eArgRepeatPlain;
- Options *
- GetOptions () override
- {
- return &m_option_group;
- }
+ // Push the only variant into the argument entry.
+ arg.push_back(expression_arg);
-protected:
- bool
- DoExecute (const char *raw_command, CommandReturnObject &result) override
- {
- m_option_group.NotifyOptionParsingStarting(); // This is a raw command, so notify the option group
-
- Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
- StackFrame *frame = m_exe_ctx.GetFramePtr();
-
- Args command(raw_command);
- const char *expr = nullptr;
- if (raw_command[0] == '-')
- {
- // We have some options and these options MUST end with --.
- const char *end_options = nullptr;
- const char *s = raw_command;
- while (s && s[0])
- {
- end_options = ::strstr (s, "--");
- if (end_options)
- {
- end_options += 2; // Get past the "--"
- if (::isspace (end_options[0]))
- {
- expr = end_options;
- while (::isspace (*expr))
- ++expr;
- break;
- }
- }
- s = end_options;
- }
-
- if (end_options)
- {
- Args args (llvm::StringRef(raw_command, end_options - raw_command));
- if (!ParseOptions (args, result))
- return false;
-
- Error error (m_option_group.NotifyOptionParsingFinished());
- if (error.Fail())
- {
- result.AppendError (error.AsCString());
- result.SetStatus (eReturnStatusFailed);
- return false;
- }
- }
- }
+ // Push the data for the only argument into the m_arguments vector.
+ m_arguments.push_back(arg);
- if (expr == nullptr)
- expr = raw_command;
+ // Absorb the '-w' and '-s' options into our option group.
+ m_option_group.Append(&m_option_watchpoint, LLDB_OPT_SET_ALL,
+ LLDB_OPT_SET_1);
+ m_option_group.Finalize();
+ }
- // If no argument is present, issue an error message. There's no way to set a watchpoint.
- if (command.GetArgumentCount() == 0)
- {
- result.GetErrorStream().Printf("error: required argument missing; specify an expression to evaulate into the address to watch for\n");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
+ ~CommandObjectWatchpointSetExpression() override = default;
- // If no '-w' is specified, default to '-w write'.
- if (!m_option_watchpoint.watch_type_specified)
- {
- m_option_watchpoint.watch_type = OptionGroupWatchpoint::eWatchWrite;
- }
+ // Overrides base class's behavior where WantsCompletion =
+ // !WantsRawCommandString.
+ bool WantsCompletion() override { return true; }
- // We passed the sanity check for the command.
- // Proceed to set the watchpoint now.
- lldb::addr_t addr = 0;
- size_t size = 0;
-
- ValueObjectSP valobj_sp;
-
- // Use expression evaluation to arrive at the address to watch.
- EvaluateExpressionOptions options;
- options.SetCoerceToId(false);
- options.SetUnwindOnError(true);
- options.SetKeepInMemory(false);
- options.SetTryAllThreads(true);
- options.SetTimeoutUsec(0);
-
- ExpressionResults expr_result = target->EvaluateExpression (expr,
- frame,
- valobj_sp,
- options);
- if (expr_result != eExpressionCompleted)
- {
- result.GetErrorStream().Printf("error: expression evaluation of address to watch failed\n");
- result.GetErrorStream().Printf("expression evaluated: %s\n", expr);
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
+ Options *GetOptions() override { return &m_option_group; }
- // Get the address to watch.
- bool success = false;
- addr = valobj_sp->GetValueAsUnsigned(0, &success);
- if (!success)
- {
- result.GetErrorStream().Printf("error: expression did not evaluate to an address\n");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- if (m_option_watchpoint.watch_size != 0)
- size = m_option_watchpoint.watch_size;
- else
- size = target->GetArchitecture().GetAddressByteSize();
-
- // Now it's time to create the watchpoint.
- uint32_t watch_type = m_option_watchpoint.watch_type;
-
- // Fetch the type from the value object, the type of the watched object is the pointee type
- /// of the expression, so convert to that if we found a valid type.
- CompilerType compiler_type(valobj_sp->GetCompilerType());
-
- Error error;
- Watchpoint *wp = target->CreateWatchpoint(addr, size, &compiler_type, watch_type, error).get();
- if (wp)
- {
- Stream &output_stream = result.GetOutputStream();
- output_stream.Printf("Watchpoint created: ");
- wp->GetDescription(&output_stream, lldb::eDescriptionLevelFull);
- output_stream.EOL();
- result.SetStatus(eReturnStatusSuccessFinishResult);
+protected:
+ bool DoExecute(const char *raw_command,
+ CommandReturnObject &result) override {
+ auto exe_ctx = GetCommandInterpreter().GetExecutionContext();
+ m_option_group.NotifyOptionParsingStarting(
+ &exe_ctx); // This is a raw command, so notify the option group
+
+ Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
+ StackFrame *frame = m_exe_ctx.GetFramePtr();
+
+ Args command(raw_command);
+ const char *expr = nullptr;
+ if (raw_command[0] == '-') {
+ // We have some options and these options MUST end with --.
+ const char *end_options = nullptr;
+ const char *s = raw_command;
+ while (s && s[0]) {
+ end_options = ::strstr(s, "--");
+ if (end_options) {
+ end_options += 2; // Get past the "--"
+ if (::isspace(end_options[0])) {
+ expr = end_options;
+ while (::isspace(*expr))
+ ++expr;
+ break;
+ }
}
- else
- {
- result.AppendErrorWithFormat("Watchpoint creation failed (addr=0x%" PRIx64 ", size=%" PRIu64 ").\n",
- addr, (uint64_t)size);
- if (error.AsCString(nullptr))
- result.AppendError(error.AsCString());
- result.SetStatus(eReturnStatusFailed);
+ s = end_options;
+ }
+
+ if (end_options) {
+ Args args(llvm::StringRef(raw_command, end_options - raw_command));
+ if (!ParseOptions(args, result))
+ return false;
+
+ Error error(m_option_group.NotifyOptionParsingFinished(&exe_ctx));
+ if (error.Fail()) {
+ result.AppendError(error.AsCString());
+ result.SetStatus(eReturnStatusFailed);
+ return false;
}
+ }
+ }
- return result.Succeeded();
+ if (expr == nullptr)
+ expr = raw_command;
+
+ // If no argument is present, issue an error message. There's no way to set
+ // a watchpoint.
+ if (command.GetArgumentCount() == 0) {
+ result.GetErrorStream().Printf("error: required argument missing; "
+ "specify an expression to evaulate into "
+ "the address to watch for\n");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
}
+ // If no '-w' is specified, default to '-w write'.
+ if (!m_option_watchpoint.watch_type_specified) {
+ m_option_watchpoint.watch_type = OptionGroupWatchpoint::eWatchWrite;
+ }
+
+ // We passed the sanity check for the command.
+ // Proceed to set the watchpoint now.
+ lldb::addr_t addr = 0;
+ size_t size = 0;
+
+ ValueObjectSP valobj_sp;
+
+ // Use expression evaluation to arrive at the address to watch.
+ EvaluateExpressionOptions options;
+ options.SetCoerceToId(false);
+ options.SetUnwindOnError(true);
+ options.SetKeepInMemory(false);
+ options.SetTryAllThreads(true);
+ options.SetTimeout(llvm::None);
+
+ ExpressionResults expr_result =
+ target->EvaluateExpression(expr, frame, valobj_sp, options);
+ if (expr_result != eExpressionCompleted) {
+ result.GetErrorStream().Printf(
+ "error: expression evaluation of address to watch failed\n");
+ result.GetErrorStream().Printf("expression evaluated: %s\n", expr);
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
+
+ // Get the address to watch.
+ bool success = false;
+ addr = valobj_sp->GetValueAsUnsigned(0, &success);
+ if (!success) {
+ result.GetErrorStream().Printf(
+ "error: expression did not evaluate to an address\n");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
+
+ if (m_option_watchpoint.watch_size != 0)
+ size = m_option_watchpoint.watch_size;
+ else
+ size = target->GetArchitecture().GetAddressByteSize();
+
+ // Now it's time to create the watchpoint.
+ uint32_t watch_type = m_option_watchpoint.watch_type;
+
+ // Fetch the type from the value object, the type of the watched object is
+ // the pointee type
+ /// of the expression, so convert to that if we found a valid type.
+ CompilerType compiler_type(valobj_sp->GetCompilerType());
+
+ Error error;
+ Watchpoint *wp =
+ target->CreateWatchpoint(addr, size, &compiler_type, watch_type, error)
+ .get();
+ if (wp) {
+ Stream &output_stream = result.GetOutputStream();
+ output_stream.Printf("Watchpoint created: ");
+ wp->GetDescription(&output_stream, lldb::eDescriptionLevelFull);
+ output_stream.EOL();
+ result.SetStatus(eReturnStatusSuccessFinishResult);
+ } else {
+ result.AppendErrorWithFormat("Watchpoint creation failed (addr=0x%" PRIx64
+ ", size=%" PRIu64 ").\n",
+ addr, (uint64_t)size);
+ if (error.AsCString(nullptr))
+ result.AppendError(error.AsCString());
+ result.SetStatus(eReturnStatusFailed);
+ }
+
+ return result.Succeeded();
+ }
+
private:
- OptionGroupOptions m_option_group;
- OptionGroupWatchpoint m_option_watchpoint;
+ OptionGroupOptions m_option_group;
+ OptionGroupWatchpoint m_option_watchpoint;
};
//-------------------------------------------------------------------------
@@ -1305,19 +1167,22 @@ private:
//-------------------------------------------------------------------------
#pragma mark Set
-class CommandObjectWatchpointSet : public CommandObjectMultiword
-{
+class CommandObjectWatchpointSet : public CommandObjectMultiword {
public:
- CommandObjectWatchpointSet(CommandInterpreter &interpreter)
- : CommandObjectMultiword(interpreter, "watchpoint set", "Commands for setting a watchpoint.",
- "watchpoint set <subcommand> [<subcommand-options>]")
- {
-
- LoadSubCommand ("variable", CommandObjectSP (new CommandObjectWatchpointSetVariable (interpreter)));
- LoadSubCommand ("expression", CommandObjectSP (new CommandObjectWatchpointSetExpression (interpreter)));
- }
-
- ~CommandObjectWatchpointSet() override = default;
+ CommandObjectWatchpointSet(CommandInterpreter &interpreter)
+ : CommandObjectMultiword(
+ interpreter, "watchpoint set", "Commands for setting a watchpoint.",
+ "watchpoint set <subcommand> [<subcommand-options>]") {
+
+ LoadSubCommand(
+ "variable",
+ CommandObjectSP(new CommandObjectWatchpointSetVariable(interpreter)));
+ LoadSubCommand(
+ "expression",
+ CommandObjectSP(new CommandObjectWatchpointSetExpression(interpreter)));
+ }
+
+ ~CommandObjectWatchpointSet() override = default;
};
//-------------------------------------------------------------------------
@@ -1325,36 +1190,45 @@ public:
//-------------------------------------------------------------------------
#pragma mark MultiwordWatchpoint
-CommandObjectMultiwordWatchpoint::CommandObjectMultiwordWatchpoint(CommandInterpreter &interpreter)
- : CommandObjectMultiword(interpreter, "watchpoint", "Commands for operating on watchpoints.",
- "watchpoint <subcommand> [<command-options>]")
-{
- CommandObjectSP list_command_object (new CommandObjectWatchpointList (interpreter));
- CommandObjectSP enable_command_object (new CommandObjectWatchpointEnable (interpreter));
- CommandObjectSP disable_command_object (new CommandObjectWatchpointDisable (interpreter));
- CommandObjectSP delete_command_object (new CommandObjectWatchpointDelete (interpreter));
- CommandObjectSP ignore_command_object (new CommandObjectWatchpointIgnore (interpreter));
- CommandObjectSP command_command_object (new CommandObjectWatchpointCommand (interpreter));
- CommandObjectSP modify_command_object (new CommandObjectWatchpointModify (interpreter));
- CommandObjectSP set_command_object (new CommandObjectWatchpointSet (interpreter));
-
- list_command_object->SetCommandName ("watchpoint list");
- enable_command_object->SetCommandName("watchpoint enable");
- disable_command_object->SetCommandName("watchpoint disable");
- delete_command_object->SetCommandName("watchpoint delete");
- ignore_command_object->SetCommandName("watchpoint ignore");
- command_command_object->SetCommandName ("watchpoint command");
- modify_command_object->SetCommandName("watchpoint modify");
- set_command_object->SetCommandName("watchpoint set");
-
- LoadSubCommand ("list", list_command_object);
- LoadSubCommand ("enable", enable_command_object);
- LoadSubCommand ("disable", disable_command_object);
- LoadSubCommand ("delete", delete_command_object);
- LoadSubCommand ("ignore", ignore_command_object);
- LoadSubCommand ("command", command_command_object);
- LoadSubCommand ("modify", modify_command_object);
- LoadSubCommand ("set", set_command_object);
+CommandObjectMultiwordWatchpoint::CommandObjectMultiwordWatchpoint(
+ CommandInterpreter &interpreter)
+ : CommandObjectMultiword(interpreter, "watchpoint",
+ "Commands for operating on watchpoints.",
+ "watchpoint <subcommand> [<command-options>]") {
+ CommandObjectSP list_command_object(
+ new CommandObjectWatchpointList(interpreter));
+ CommandObjectSP enable_command_object(
+ new CommandObjectWatchpointEnable(interpreter));
+ CommandObjectSP disable_command_object(
+ new CommandObjectWatchpointDisable(interpreter));
+ CommandObjectSP delete_command_object(
+ new CommandObjectWatchpointDelete(interpreter));
+ CommandObjectSP ignore_command_object(
+ new CommandObjectWatchpointIgnore(interpreter));
+ CommandObjectSP command_command_object(
+ new CommandObjectWatchpointCommand(interpreter));
+ CommandObjectSP modify_command_object(
+ new CommandObjectWatchpointModify(interpreter));
+ CommandObjectSP set_command_object(
+ new CommandObjectWatchpointSet(interpreter));
+
+ list_command_object->SetCommandName("watchpoint list");
+ enable_command_object->SetCommandName("watchpoint enable");
+ disable_command_object->SetCommandName("watchpoint disable");
+ delete_command_object->SetCommandName("watchpoint delete");
+ ignore_command_object->SetCommandName("watchpoint ignore");
+ command_command_object->SetCommandName("watchpoint command");
+ modify_command_object->SetCommandName("watchpoint modify");
+ set_command_object->SetCommandName("watchpoint set");
+
+ LoadSubCommand("list", list_command_object);
+ LoadSubCommand("enable", enable_command_object);
+ LoadSubCommand("disable", disable_command_object);
+ LoadSubCommand("delete", delete_command_object);
+ LoadSubCommand("ignore", ignore_command_object);
+ LoadSubCommand("command", command_command_object);
+ LoadSubCommand("modify", modify_command_object);
+ LoadSubCommand("set", set_command_object);
}
CommandObjectMultiwordWatchpoint::~CommandObjectMultiwordWatchpoint() = default;