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//===-- DNBArch.cpp ---------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Created by Greg Clayton on 6/24/07.
//
//===----------------------------------------------------------------------===//
#include "DNBArch.h"
#include <cassert>
#include <mach/mach.h>
#include <map>
#include "DNBLog.h"
typedef std::map<uint32_t, DNBArchPluginInfo> CPUPluginInfoMap;
static uint32_t g_current_cpu_type = 0;
static uint32_t g_current_cpu_subtype = 0;
CPUPluginInfoMap g_arch_plugins;
static const DNBArchPluginInfo *GetArchInfo() {
CPUPluginInfoMap::const_iterator pos =
g_arch_plugins.find(g_current_cpu_type);
if (pos != g_arch_plugins.end())
return &pos->second;
return NULL;
}
uint32_t DNBArchProtocol::GetCPUType() { return g_current_cpu_type; }
uint32_t DNBArchProtocol::GetCPUSubType() { return g_current_cpu_subtype; }
bool DNBArchProtocol::SetArchitecture(uint32_t cpu_type, uint32_t cpu_subtype) {
g_current_cpu_type = cpu_type;
g_current_cpu_subtype = cpu_subtype;
bool result = g_arch_plugins.find(g_current_cpu_type) != g_arch_plugins.end();
DNBLogThreadedIf(LOG_PROCESS,
"DNBArchProtocol::SetDefaultArchitecture (cpu_type=0x%8.8x, "
"cpu_subtype=0x%8.8x) => %i",
cpu_type, cpu_subtype, result);
return result;
}
void DNBArchProtocol::RegisterArchPlugin(const DNBArchPluginInfo &arch_info) {
if (arch_info.cpu_type)
g_arch_plugins[arch_info.cpu_type] = arch_info;
}
uint32_t DNBArchProtocol::GetRegisterCPUType() {
const DNBArchPluginInfo *arch_info = GetArchInfo();
if (arch_info)
return arch_info->cpu_type;
return 0;
}
const DNBRegisterSetInfo *
DNBArchProtocol::GetRegisterSetInfo(nub_size_t *num_reg_sets) {
const DNBArchPluginInfo *arch_info = GetArchInfo();
if (arch_info)
return arch_info->GetRegisterSetInfo(num_reg_sets);
*num_reg_sets = 0;
return NULL;
}
DNBArchProtocol *DNBArchProtocol::Create(MachThread *thread) {
const DNBArchPluginInfo *arch_info = GetArchInfo();
if (arch_info)
return arch_info->Create(thread);
return NULL;
}
const uint8_t *DNBArchProtocol::GetBreakpointOpcode(nub_size_t byte_size) {
const DNBArchPluginInfo *arch_info = GetArchInfo();
if (arch_info)
return arch_info->GetBreakpointOpcode(byte_size);
return NULL;
}
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