/*
* Copyright (c) 2018-2019 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 .
*/
#include
#include
#include "fatal_config.hpp"
#include "fatal_task_error_report.hpp"
namespace ams::fatal::srv {
namespace {
/* Helpers. */
void TryEnsureReportDirectories() {
mkdir("sdmc:/atmosphere", S_IRWXU);
mkdir("sdmc:/atmosphere/fatal_reports", S_IRWXU);
mkdir("sdmc:/atmosphere/fatal_reports/dumps", S_IRWXU);
}
bool TryGetCurrentTimestamp(u64 *out) {
/* Clear output. */
*out = 0;
/* Check if we have time service. */
{
bool has_time_service = false;
if (R_FAILED(sm::HasService(&has_time_service, sm::ServiceName::Encode("time:s"))) || !has_time_service) {
return false;
}
}
/* Try to get the current time. */
{
sm::ScopedServiceHolder time_holder;
return time_holder && R_SUCCEEDED(timeGetCurrentTime(TimeType_LocalSystemClock, out));
}
}
/* Task definition. */
class ErrorReportTask : public ITaskWithDefaultStack {
private:
void SaveReportToSdCard();
public:
virtual Result Run() override;
virtual const char *GetName() const override {
return "WriteErrorReport";
}
};
/* Task globals. */
ErrorReportTask g_error_report_task;
/* Task Implementation. */
void ErrorReportTask::SaveReportToSdCard() {
char file_path[FS_MAX_PATH];
/* Try to Ensure path exists. */
TryEnsureReportDirectories();
/* Get a timestamp. */
u64 timestamp;
if (!TryGetCurrentTimestamp(×tamp)) {
timestamp = svcGetSystemTick();
}
/* Open report file. */
snprintf(file_path, sizeof(file_path) - 1, "sdmc:/atmosphere/fatal_reports/%011lu_%016lx.log", timestamp, static_cast(this->context->program_id));
FILE *f_report = fopen(file_path, "w");
if (f_report != NULL) {
ON_SCOPE_EXIT { fclose(f_report); };
fprintf(f_report, "Atmosphère Fatal Report (v1.1):\n");
fprintf(f_report, "Result: 0x%X (2%03d-%04d)\n\n", this->context->result.GetValue(), this->context->result.GetModule(), this->context->result.GetDescription());
fprintf(f_report, "Program ID: %016lx\n", static_cast(this->context->program_id));
if (strlen(this->context->proc_name)) {
fprintf(f_report, "Process Name: %s\n", this->context->proc_name);
}
fprintf(f_report, u8"Firmware: %s (Atmosphère %u.%u.%u-%s)\n", GetFatalConfig().GetFirmwareVersion().display_version, ATMOSPHERE_RELEASE_VERSION, ams::GetGitRevision());
if (this->context->cpu_ctx.architecture == CpuContext::Architecture_Aarch32) {
fprintf(f_report, "General Purpose Registers:\n");
for (size_t i = 0; i <= aarch32::RegisterName_PC; i++) {
if (this->context->cpu_ctx.aarch32_ctx.HasRegisterValue(static_cast(i))) {
fprintf(f_report, " %3s: %08x\n", aarch32::CpuContext::RegisterNameStrings[i], this->context->cpu_ctx.aarch32_ctx.r[i]);
}
}
fprintf(f_report, "Start Address: %08x\n", this->context->cpu_ctx.aarch32_ctx.base_address);
fprintf(f_report, "Stack Trace:\n");
for (unsigned int i = 0; i < this->context->cpu_ctx.aarch32_ctx.stack_trace_size; i++) {
fprintf(f_report, " ReturnAddress[%02u]: %08x\n", i, this->context->cpu_ctx.aarch32_ctx.stack_trace[i]);
}
} else {
fprintf(f_report, "General Purpose Registers:\n");
for (size_t i = 0; i <= aarch64::RegisterName_PC; i++) {
if (this->context->cpu_ctx.aarch64_ctx.HasRegisterValue(static_cast(i))) {
fprintf(f_report, " %3s: %016lx\n", aarch64::CpuContext::RegisterNameStrings[i], this->context->cpu_ctx.aarch64_ctx.x[i]);
}
}
fprintf(f_report, "Start Address: %016lx\n", this->context->cpu_ctx.aarch64_ctx.base_address);
fprintf(f_report, "Stack Trace:\n");
for (unsigned int i = 0; i < this->context->cpu_ctx.aarch64_ctx.stack_trace_size; i++) {
fprintf(f_report, " ReturnAddress[%02u]: %016lx\n", i, this->context->cpu_ctx.aarch64_ctx.stack_trace[i]);
}
}
if (this->context->stack_dump_size != 0) {
fprintf(f_report, "Stack Dump: 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
for (size_t i = 0; i < 0x10; i++) {
const size_t ofs = i * 0x10;
fprintf(f_report, " %012lx %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
this->context->stack_dump_base + ofs, this->context->stack_dump[ofs + 0], this->context->stack_dump[ofs + 1], this->context->stack_dump[ofs + 2], this->context->stack_dump[ofs + 3], this->context->stack_dump[ofs + 4], this->context->stack_dump[ofs + 5], this->context->stack_dump[ofs + 6], this->context->stack_dump[ofs + 7],
this->context->stack_dump[ofs + 8], this->context->stack_dump[ofs + 9], this->context->stack_dump[ofs + 10], this->context->stack_dump[ofs + 11], this->context->stack_dump[ofs + 12], this->context->stack_dump[ofs + 13], this->context->stack_dump[ofs + 14], this->context->stack_dump[ofs + 15]);
}
}
if (this->context->tls_address != 0) {
fprintf(f_report, "TLS Address: %016lx\n", this->context->tls_address);
fprintf(f_report, "TLS Dump: 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
for (size_t i = 0; i < 0x10; i++) {
const size_t ofs = i * 0x10;
fprintf(f_report, " %012lx %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
this->context->tls_address + ofs, this->context->tls_dump[ofs + 0], this->context->tls_dump[ofs + 1], this->context->tls_dump[ofs + 2], this->context->tls_dump[ofs + 3], this->context->tls_dump[ofs + 4], this->context->tls_dump[ofs + 5], this->context->tls_dump[ofs + 6], this->context->tls_dump[ofs + 7],
this->context->tls_dump[ofs + 8], this->context->tls_dump[ofs + 9], this->context->tls_dump[ofs + 10], this->context->tls_dump[ofs + 11], this->context->tls_dump[ofs + 12], this->context->tls_dump[ofs + 13], this->context->tls_dump[ofs + 14], this->context->tls_dump[ofs + 15]);
}
}
}
/* Dump data to file. */
{
snprintf(file_path, sizeof(file_path) - 1, "sdmc:/atmosphere/fatal_reports/dumps/%011lu_%016lx.bin", timestamp, static_cast(this->context->program_id));
FILE *f_dump = fopen(file_path, "wb");
if (f_dump == NULL) { return; }
ON_SCOPE_EXIT { fclose(f_dump); };
fwrite(this->context->tls_dump, sizeof(this->context->tls_dump), 1, f_dump);
if (this->context->stack_dump_size) {
fwrite(this->context->stack_dump, this->context->stack_dump_size, 1, f_dump);
}
fflush(f_dump);
}
}
Result ErrorReportTask::Run() {
if (this->context->generate_error_report) {
/* Here, Nintendo creates an error report with erpt. AMS will not do that. */
}
/* Save report to SD card. */
if (!this->context->is_creport) {
this->SaveReportToSdCard();
}
/* Signal we're done with our job. */
eventFire(const_cast(&this->context->erpt_event));
return ResultSuccess();
}
}
ITask *GetErrorReportTask(const ThrowContext *ctx) {
g_error_report_task.Initialize(ctx);
return &g_error_report_task;
}
}