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dmnt: update for R_TRY

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This commit is contained in:
Michael Scire 2019-06-19 22:19:53 -07:00
parent 241b8f4627
commit d7a3645f7f
4 changed files with 133 additions and 173 deletions
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41
stratosphere/dmnt/source/dmnt_cheat_manager.cpp
View file

@ -139,10 +139,9 @@ Result DmntCheatManager::ReadCheatProcessMemoryForVm(u64 proc_addr, void *out_da
Result DmntCheatManager::WriteCheatProcessMemoryForVm(u64 proc_addr, const void *data, size_t size) {
if (HasActiveCheatProcess()) {
Result rc = svcWriteDebugProcessMemory(g_cheat_process_debug_hnd, data, proc_addr, size);
R_TRY(svcWriteDebugProcessMemory(g_cheat_process_debug_hnd, data, proc_addr, size));
/* We might have a frozen address. Update it if we do! */
if (R_SUCCEEDED(rc)) {
for (auto & [address, value] : g_frozen_addresses_map) {
/* Map is in order, so break here. */
if (address >= proc_addr + size) {
@ -156,9 +155,8 @@ Result DmntCheatManager::WriteCheatProcessMemoryForVm(u64 proc_addr, const void
memcpy(&value.value, (void *)((uintptr_t)data + offset), size_to_copy < sizeof(value.value) ? size_to_copy : sizeof(value.value));
}
}
}
return rc;
return ResultSuccess;
}
return ResultDmntCheatNotAttached;
@ -775,12 +773,9 @@ Result DmntCheatManager::EnableFrozenAddress(u64 *out_value, u64 address, u64 wi
return ResultDmntCheatAddressAlreadyFrozen;
}
Result rc;
FrozenAddressValue value = {0};
value.width = width;
if (R_FAILED((rc = ReadCheatProcessMemoryForVm(address, &value.value, width)))) {
return rc;
}
R_TRY(ReadCheatProcessMemoryForVm(address, &value.value, width));
g_frozen_addresses_map[address] = value;
*out_value = value.value;
@ -835,7 +830,6 @@ static void StartDebugProcess(u64 pid) {
Result DmntCheatManager::ForceOpenCheatProcess() {
std::scoped_lock<HosMutex> attach_lk(g_attach_lock);
Result rc;
/* Acquire the cheat lock for long enough to close the process if needed. */
{
@ -857,19 +851,17 @@ Result DmntCheatManager::ForceOpenCheatProcess() {
std::scoped_lock<HosMutex> lk(g_cheat_lock);
/* Get the current application process ID. */
if (R_FAILED((rc = pmdmntGetApplicationPid(&g_cheat_process_metadata.process_id)))) {
return rc;
}
ON_SCOPE_EXIT { if (R_FAILED(rc)) { g_cheat_process_metadata.process_id = 0; } };
R_TRY(pmdmntGetApplicationPid(&g_cheat_process_metadata.process_id));
auto proc_guard = SCOPE_EXIT {
g_cheat_process_metadata.process_id = 0;
};
/* Get process handle, use it to learn memory extents. */
{
Handle proc_h = 0;
ON_SCOPE_EXIT { if (proc_h != 0) { svcCloseHandle(proc_h); } };
if (R_FAILED((rc = pmdmntAtmosphereGetProcessInfo(&proc_h, &g_cheat_process_metadata.title_id, nullptr, g_cheat_process_metadata.process_id)))) {
return rc;
}
R_TRY(pmdmntAtmosphereGetProcessInfo(&proc_h, &g_cheat_process_metadata.title_id, nullptr, g_cheat_process_metadata.process_id));
/* Get memory extents. */
PopulateMemoryExtents(&g_cheat_process_metadata.heap_extents, proc_h, 4, 5);
@ -886,9 +878,7 @@ Result DmntCheatManager::ForceOpenCheatProcess() {
{
LoaderModuleInfo proc_modules[2];
u32 num_modules;
if (R_FAILED((rc = ldrDmntGetModuleInfos(g_cheat_process_metadata.process_id, proc_modules, sizeof(proc_modules)/sizeof(proc_modules[0]), &num_modules)))) {
return rc;
}
R_TRY(ldrDmntGetModuleInfos(g_cheat_process_metadata.process_id, proc_modules, sizeof(proc_modules)/sizeof(proc_modules[0]), &num_modules));
/* All applications must have two modules. */
/* However, this is a force-open, so we will accept one module. */
@ -899,8 +889,7 @@ Result DmntCheatManager::ForceOpenCheatProcess() {
} else if (num_modules == 1) {
proc_module = &proc_modules[0];
} else {
rc = ResultDmntCheatNotAttached;
return rc;
return ResultDmntCheatNotAttached;
}
g_cheat_process_metadata.main_nso_extents.base = proc_module->base_address;
@ -916,16 +905,18 @@ Result DmntCheatManager::ForceOpenCheatProcess() {
LoadCheatToggles(g_cheat_process_metadata.title_id);
/* Open a debug handle. */
if (R_FAILED((rc = svcDebugActiveProcess(&g_cheat_process_debug_hnd, g_cheat_process_metadata.process_id)))) {
return rc;
}
R_TRY(svcDebugActiveProcess(&g_cheat_process_debug_hnd, g_cheat_process_metadata.process_id));
/* Cancel process guard. */
proc_guard.Cancel();
/* Start debug events thread. */
StartDebugEventsThread();
/* Signal to our fans. */
g_cheat_process_event->Signal();
return rc;
return ResultSuccess;
}
void DmntCheatManager::OnNewApplicationLaunch() {

8
stratosphere/dmnt/source/dmnt_cheat_service.cpp
View file

@ -35,13 +35,11 @@ Result DmntCheatService::GetCheatProcessMetadata(Out<CheatProcessMetadata> out_m
}
Result DmntCheatService::ForceOpenCheatProcess() {
Result rc = DmntCheatManager::ForceOpenCheatProcess();
if (R_FAILED(rc)) {
rc = ResultDmntCheatNotAttached;
if (R_FAILED(DmntCheatManager::ForceOpenCheatProcess())) {
return ResultDmntCheatNotAttached;
}
return rc;
return ResultSuccess;
}
/* ========================================================================================= */

10
stratosphere/dmnt/source/dmnt_service_debug.cpp
View file

@ -39,11 +39,13 @@ Result DebugMonitorService::GetProcessId(Out<u64> out_pid, Handle hnd) {
}
Result DebugMonitorService::GetProcessHandle(Out<Handle> out_hnd, u64 pid) {
Result rc = svcDebugActiveProcess(out_hnd.GetPointer(), pid);
if (rc == ResultKernelAlreadyExists) {
rc = ResultDebugAlreadyAttached;
R_TRY_CATCH(svcDebugActiveProcess(out_hnd.GetPointer(), pid)) {
R_CATCH(ResultKernelAlreadyExists) {
return ResultDebugAlreadyAttached;
}
return rc;
} R_END_TRY_CATCH;
return ResultSuccess;
}
Result DebugMonitorService::WaitSynchronization(Handle hnd, u64 ns) {

121
stratosphere/dmnt/source/dmnt_service_target_io.cpp
View file

@ -41,14 +41,12 @@ static Result EnsureSdInitialized() {
return ResultSuccess;
}
Result rc = fsMountSdcard(&g_sd_fs);
if (R_SUCCEEDED(rc)) {
R_TRY(fsMountSdcard(&g_sd_fs));
g_sd_initialized = true;
}
return rc;
return ResultSuccess;
}
static u64 GetFileHandle(FsFile f) {
static u64 GetNewFileHandle(FsFile f) {
std::scoped_lock<HosMutex> lk(g_file_handle_lock);
u64 fd = g_cur_fd++;
@ -58,20 +56,24 @@ static u64 GetFileHandle(FsFile f) {
static Result GetFileByHandle(FsFile *out, u64 handle) {
std::scoped_lock<HosMutex> lk(g_file_handle_lock);
if (g_file_handles.find(handle) != g_file_handles.end()) {
*out = g_file_handles[handle];
return ResultSuccess;
}
return ResultFsInvalidArgument;
}
static Result CloseFileByHandle(u64 handle) {
std::scoped_lock<HosMutex> lk(g_file_handle_lock);
if (g_file_handles.find(handle) != g_file_handles.end()) {
fsFileClose(&g_file_handles[handle]);
g_file_handles.erase(handle);
return ResultSuccess;
}
return ResultFsInvalidArgument;
}
@ -108,46 +110,38 @@ Result DebugMonitorService::TargetIO_FileOpen(OutBuffer<u64> out_hnd, InBuffer<c
return ResultKernelConnectionClosed;
}
Result rc = EnsureSdInitialized();
if (R_FAILED(rc)) {
return rc;
}
R_TRY(EnsureSdInitialized());
char fs_path[FS_MAX_PATH];
FixPath(fs_path, sizeof(fs_path), path);
/* Create file as required by mode. */
if (create_mode == TIOCreateOption_CreateAlways) {
fsFsDeleteFile(&g_sd_fs, fs_path);
rc = fsFsCreateFile(&g_sd_fs, fs_path, 0, 0);
R_TRY(fsFsCreateFile(&g_sd_fs, fs_path, 0, 0));
} else if (create_mode == TIOCreateOption_CreateNew) {
rc = fsFsCreateFile(&g_sd_fs, fs_path, 0, 0);
}
if (R_FAILED(rc)) {
return rc;
}
FsFile f;
rc = fsFsOpenFile(&g_sd_fs, fs_path, open_mode, &f);
if (R_FAILED(rc)) {
if (create_mode == TIOCreateOption_OpenAlways) {
R_TRY(fsFsCreateFile(&g_sd_fs, fs_path, 0, 0));
} else if (create_mode == TIOCreateOption_OpenAlways) {
fsFsCreateFile(&g_sd_fs, fs_path, 0, 0);
rc = fsFsOpenFile(&g_sd_fs, fs_path, open_mode, &f);
}
}
if (R_SUCCEEDED(rc)) {
if (create_mode == TIOCreateOption_ResetSize) {
rc = fsFileSetSize(&f, 0);
}
if (R_SUCCEEDED(rc)) {
out_hnd[0] = GetFileHandle(f);
} else {
/* Open the file, guard to prevent failure to close. */
FsFile f;
R_TRY(fsFsOpenFile(&g_sd_fs, fs_path, open_mode, &f));
auto file_guard = SCOPE_GUARD {
fsFileClose(&f);
}
};
/* Set size if needed. */
if (create_mode == TIOCreateOption_ResetSize) {
R_TRY(fsFileSetSize(&f, 0));
}
return rc;
/* Cancel guard, output file handle. */
file_guard.Cancel();
out_hnd[0] = GetNewFileHandle(f);
return ResultSuccess;
}
Result DebugMonitorService::TargetIO_FileClose(InBuffer<u64> hnd) {
@ -166,15 +160,13 @@ Result DebugMonitorService::TargetIO_FileRead(InBuffer<u64> hnd, OutBuffer<u8, B
}
FsFile f;
Result rc = GetFileByHandle(&f, hnd[0]);
if (R_FAILED(rc)) {
return rc;
}
size_t read = 0;
rc = fsFileRead(&f, offset, out_data.buffer, out_data.num_elements, FS_READOPTION_NONE, &read);
R_TRY(GetFileByHandle(&f, hnd[0]));
R_TRY(fsFileRead(&f, offset, out_data.buffer, out_data.num_elements, FS_READOPTION_NONE, &read));
out_read.SetValue(static_cast<u32>(read));
return rc;
return ResultSuccess;
}
Result DebugMonitorService::TargetIO_FileWrite(InBuffer<u64> hnd, InBuffer<u8, BufferType_Type1> data, Out<u32> out_written, u64 offset) {
@ -184,17 +176,12 @@ Result DebugMonitorService::TargetIO_FileWrite(InBuffer<u64> hnd, InBuffer<u8, B
}
FsFile f;
Result rc = GetFileByHandle(&f, hnd[0]);
if (R_FAILED(rc)) {
return rc;
}
rc = fsFileWrite(&f, offset, data.buffer, data.num_elements, FS_WRITEOPTION_NONE);
if (R_SUCCEEDED(rc)) {
R_TRY(GetFileByHandle(&f, hnd[0]));
R_TRY(fsFileWrite(&f, offset, data.buffer, data.num_elements, FS_WRITEOPTION_NONE));
out_written.SetValue(data.num_elements);
}
return rc;
return ResultSuccess;
}
Result DebugMonitorService::TargetIO_FileSetAttributes(InBuffer<char> path, InBuffer<u8> attributes) {
@ -209,10 +196,7 @@ Result DebugMonitorService::TargetIO_FileGetInformation(InBuffer<char> path, Out
return ResultKernelConnectionClosed;
}
Result rc = EnsureSdInitialized();
if (R_FAILED(rc)) {
return rc;
}
R_TRY(EnsureSdInitialized());
char fs_path[FS_MAX_PATH];
FixPath(fs_path, sizeof(fs_path), path);
@ -223,8 +207,7 @@ Result DebugMonitorService::TargetIO_FileGetInformation(InBuffer<char> path, Out
is_directory.SetValue(0);
FsFile f;
rc = fsFsOpenFile(&g_sd_fs, fs_path, FS_OPEN_READ, &f);
if (R_SUCCEEDED(rc)) {
if (R_SUCCEEDED(fsFsOpenFile(&g_sd_fs, fs_path, FS_OPEN_READ, &f))) {
ON_SCOPE_EXIT { fsFileClose(&f); };
/* N doesn't check this return code. */
@ -233,14 +216,12 @@ Result DebugMonitorService::TargetIO_FileGetInformation(InBuffer<char> path, Out
/* TODO: N does not call fsFsGetFileTimestampRaw here, but we possibly could. */
} else {
FsDir dir;
rc = fsFsOpenDirectory(&g_sd_fs, fs_path, FS_DIROPEN_FILE | FS_DIROPEN_DIRECTORY, &dir);
if (R_SUCCEEDED(rc)) {
R_TRY(fsFsOpenDirectory(&g_sd_fs, fs_path, FS_DIROPEN_FILE | FS_DIROPEN_DIRECTORY, &dir));
fsDirClose(&dir);
is_directory.SetValue(1);
}
}
return rc;
return ResultSuccess;
}
Result DebugMonitorService::TargetIO_FileSetTime(InBuffer<char> path, u64 create, u64 access, u64 modify) {
@ -259,29 +240,20 @@ Result DebugMonitorService::TargetIO_FileSetSize(InBuffer<char> input, u64 size)
}
}
Result rc = EnsureSdInitialized();
if (R_FAILED(rc)) {
return rc;
}
R_TRY(EnsureSdInitialized());
char fs_path[FS_MAX_PATH];
FixPath(fs_path, sizeof(fs_path), input);
FsFile f;
rc = fsFsOpenFile(&g_sd_fs, fs_path, FS_OPEN_WRITE, &f);
if (R_SUCCEEDED(rc)) {
rc = fsFileSetSize(&f, size);
fsFileClose(&f);
}
R_TRY(fsFsOpenFile(&g_sd_fs, fs_path, FS_OPEN_WRITE, &f));
ON_SCOPE_EXIT { fsFileClose(&f); };
return rc;
return fsFileSetSize(&f, size);
}
Result DebugMonitorService::TargetIO_FileDelete(InBuffer<char> path) {
Result rc = EnsureSdInitialized();
if (R_FAILED(rc)) {
return rc;
}
R_TRY(EnsureSdInitialized());
char fs_path[FS_MAX_PATH];
FixPath(fs_path, sizeof(fs_path), path);
@ -290,10 +262,7 @@ Result DebugMonitorService::TargetIO_FileDelete(InBuffer<char> path) {
}
Result DebugMonitorService::TargetIO_FileMove(InBuffer<char> path0, InBuffer<char> path1) {
Result rc = EnsureSdInitialized();
if (R_FAILED(rc)) {
return rc;
}
R_TRY(EnsureSdInitialized());
char fs_path0[FS_MAX_PATH];
char fs_path1[FS_MAX_PATH];