Atmosphere/stratosphere/creport/source/creport_threads.hpp

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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
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#include "creport_scoped_file.hpp"
namespace ams::creport {
/* Forward declare ModuleList class. */
class ModuleList;
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static constexpr size_t ThreadCountMax = 0x60;
template<size_t MaxThreadCount>
class ThreadTlsMapImpl {
private:
std::pair<u64, u64> m_map[MaxThreadCount];
size_t m_index;
public:
constexpr ThreadTlsMapImpl() : m_map(), m_index(0) { /* ... */ }
constexpr void ResetThreadTlsMap() {
m_index = 0;
}
constexpr void SetThreadTls(u64 thread_id, u64 tls) {
if (m_index < util::size(m_map)) {
m_map[m_index++] = std::make_pair(thread_id, tls);
}
}
constexpr bool GetThreadTls(u64 *out, u64 thread_id) const {
for (size_t i = 0; i < m_index; ++i) {
if (m_map[i].first == thread_id) {
*out = m_map[i].second;
return true;
}
}
return false;
}
};
using ThreadTlsMap = ThreadTlsMapImpl<ThreadCountMax>;
class ThreadInfo {
private:
static constexpr size_t StackTraceSizeMax = 0x20;
static constexpr size_t NameLengthMax = 0x20;
private:
ThreadContext context = {};
u64 thread_id = 0;
u64 stack_top = 0;
u64 stack_bottom = 0;
u64 stack_trace[StackTraceSizeMax] = {};
size_t stack_trace_size = 0;
u64 tls_address = 0;
u8 tls[0x100] = {};
u64 stack_dump_base = 0;
u8 stack_dump[0x100] = {};
char name[NameLengthMax + 1] = {};
ModuleList *module_list = nullptr;
public:
u64 GetGeneralPurposeRegister(size_t i) const {
return this->context.cpu_gprs[i].x;
}
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u64 GetPC() const {
return this->context.pc.x;
}
u64 GetLR() const {
return this->context.lr;
}
u64 GetFP() const {
return this->context.fp;
}
u64 GetSP() const {
return this->context.sp;
}
u64 GetThreadId() const {
return this->thread_id;
}
size_t GetStackTraceSize() const {
return this->stack_trace_size;
}
u64 GetStackTrace(size_t i) const {
return this->stack_trace[i];
}
void SetModuleList(ModuleList *ml) {
this->module_list = ml;
}
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bool ReadFromProcess(Handle debug_handle, ThreadTlsMap &tls_map, u64 thread_id, bool is_64_bit);
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void SaveToFile(ScopedFile &file);
void DumpBinary(ScopedFile &file);
private:
void TryGetStackInfo(Handle debug_handle);
};
class ThreadList {
private:
size_t thread_count = 0;
ThreadInfo threads[ThreadCountMax];
public:
size_t GetThreadCount() const {
return this->thread_count;
}
const ThreadInfo &GetThreadInfo(size_t i) const {
return this->threads[i];
}
void SetModuleList(ModuleList *ml) {
for (size_t i = 0; i < this->thread_count; i++) {
this->threads[i].SetModuleList(ml);
}
}
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void ReadFromProcess(Handle debug_handle, ThreadTlsMap &tls_map, bool is_64_bit);
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void SaveToFile(ScopedFile &file);
void DumpBinary(ScopedFile &file, u64 crashed_thread_id);
};
}