100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
//===-- OptionGroupWatchpoint.cpp -------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "lldb/Interpreter/OptionGroupWatchpoint.h"
|
|
|
|
// C Includes
|
|
// C++ Includes
|
|
// Other libraries and framework includes
|
|
// Project includes
|
|
#include "lldb/Host/OptionParser.h"
|
|
#include "lldb/Interpreter/Args.h"
|
|
#include "lldb/lldb-enumerations.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
static OptionEnumValueElement g_watch_type[] = {
|
|
{OptionGroupWatchpoint::eWatchRead, "read", "Watch for read"},
|
|
{OptionGroupWatchpoint::eWatchWrite, "write", "Watch for write"},
|
|
{OptionGroupWatchpoint::eWatchReadWrite, "read_write",
|
|
"Watch for read/write"},
|
|
{0, nullptr, nullptr}};
|
|
|
|
static OptionEnumValueElement g_watch_size[] = {
|
|
{1, "1", "Watch for byte size of 1"},
|
|
{2, "2", "Watch for byte size of 2"},
|
|
{4, "4", "Watch for byte size of 4"},
|
|
{8, "8", "Watch for byte size of 8"},
|
|
{0, nullptr, nullptr}};
|
|
|
|
static OptionDefinition g_option_table[] = {
|
|
{LLDB_OPT_SET_1, false, "watch", 'w', OptionParser::eRequiredArgument,
|
|
nullptr, g_watch_type, 0, eArgTypeWatchType,
|
|
"Specify the type of watching to perform."},
|
|
{LLDB_OPT_SET_1, false, "size", 's', OptionParser::eRequiredArgument,
|
|
nullptr, g_watch_size, 0, eArgTypeByteSize,
|
|
"Number of bytes to use to watch a region."}};
|
|
|
|
bool OptionGroupWatchpoint::IsWatchSizeSupported(uint32_t watch_size) {
|
|
for (uint32_t i = 0; i < llvm::array_lengthof(g_watch_size); ++i) {
|
|
if (g_watch_size[i].value == 0)
|
|
break;
|
|
if (watch_size == g_watch_size[i].value)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
OptionGroupWatchpoint::OptionGroupWatchpoint() : OptionGroup() {}
|
|
|
|
OptionGroupWatchpoint::~OptionGroupWatchpoint() {}
|
|
|
|
Status
|
|
OptionGroupWatchpoint::SetOptionValue(uint32_t option_idx,
|
|
llvm::StringRef option_arg,
|
|
ExecutionContext *execution_context) {
|
|
Status error;
|
|
const int short_option = g_option_table[option_idx].short_option;
|
|
switch (short_option) {
|
|
case 'w': {
|
|
WatchType tmp_watch_type;
|
|
tmp_watch_type = (WatchType)Args::StringToOptionEnum(
|
|
option_arg, g_option_table[option_idx].enum_values, 0, error);
|
|
if (error.Success()) {
|
|
watch_type = tmp_watch_type;
|
|
watch_type_specified = true;
|
|
}
|
|
break;
|
|
}
|
|
case 's':
|
|
watch_size = (uint32_t)Args::StringToOptionEnum(
|
|
option_arg, g_option_table[option_idx].enum_values, 0, error);
|
|
break;
|
|
|
|
default:
|
|
error.SetErrorStringWithFormat("unrecognized short option '%c'",
|
|
short_option);
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
void OptionGroupWatchpoint::OptionParsingStarting(
|
|
ExecutionContext *execution_context) {
|
|
watch_type_specified = false;
|
|
watch_type = eWatchInvalid;
|
|
watch_size = 0;
|
|
}
|
|
|
|
llvm::ArrayRef<OptionDefinition> OptionGroupWatchpoint::GetDefinitions() {
|
|
return llvm::makeArrayRef(g_option_table);
|
|
}
|