Atmosphere/stratosphere/creport/source/creport_main.cpp

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/*
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* 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 <http://www.gnu.org/licenses/>.
*/
#include <cstdlib>
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <malloc.h>
#include <switch.h>
#include <stratosphere/firmware_version.hpp>
#include "creport_crash_report.hpp"
extern "C" {
extern u32 __start__;
u32 __nx_applet_type = AppletType_None;
#define INNER_HEAP_SIZE 0x100000
size_t nx_inner_heap_size = INNER_HEAP_SIZE;
char nx_inner_heap[INNER_HEAP_SIZE];
void __libnx_initheap(void);
void __appInit(void);
void __appExit(void);
/* Exception handling. */
alignas(16) u8 __nx_exception_stack[0x1000];
u64 __nx_exception_stack_size = sizeof(__nx_exception_stack);
void __libnx_exception_handler(ThreadExceptionDump *ctx);
void __libstratosphere_exception_handler(AtmosphereFatalErrorContext *ctx);
}
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sts::ncm::TitleId __stratosphere_title_id = sts::ncm::TitleId::Creport;
void __libnx_exception_handler(ThreadExceptionDump *ctx) {
StratosphereCrashHandler(ctx);
}
void __libnx_initheap(void) {
void* addr = nx_inner_heap;
size_t size = nx_inner_heap_size;
/* Newlib */
extern char* fake_heap_start;
extern char* fake_heap_end;
fake_heap_start = (char*)addr;
fake_heap_end = (char*)addr + size;
}
void __appInit(void) {
SetFirmwareVersionForLibnx();
DoWithSmSession([&]() {
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R_ASSERT(fsInitialize());
});
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R_ASSERT(fsdevMountSdmc());
}
void __appExit(void) {
/* Cleanup services. */
fsdevUnmountAll();
fsExit();
}
static u64 creport_parse_u64(char *s) {
/* Official creport uses this custom parsing logic... */
u64 out_val = 0;
for (unsigned int i = 0; i < 20 && s[i]; i++) {
if ('0' <= s[i] && s[i] <= '9') {
out_val *= 10;
out_val += (s[i] - '0');
} else {
break;
}
}
return out_val;
}
static CrashReport g_Creport;
int main(int argc, char **argv) {
/* Validate arguments. */
if (argc < 2) {
return 0;
}
for (int i = 0; i < argc; i++) {
if (argv[i] == NULL) {
return 0;
}
}
/* Parse crashed PID. */
u64 crashed_pid = creport_parse_u64(argv[0]);
/* Try to debug the crashed process. */
g_Creport.BuildReport(crashed_pid, argv[1][0] == '1');
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if (g_Creport.WasSuccessful()) {
g_Creport.SaveReport();
DoWithSmSession([&]() {
if (R_SUCCEEDED(nsdevInitialize())) {
nsdevTerminateProcess(crashed_pid);
nsdevExit();
}
});
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/* Don't fatal if we have extra info. */
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if ((GetRuntimeFirmwareVersion() >= FirmwareVersion_500)) {
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if (g_Creport.IsApplication()) {
return 0;
}
} else if (argv[1][0] == '1') {
return 0;
}
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/* Also don't fatal if we're a user break. */
if (g_Creport.IsUserBreak()) {
return 0;
}
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FatalContext *ctx = g_Creport.GetFatalContext();
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fatalWithContext(g_Creport.GetResult(), FatalType_ErrorScreen, ctx);
}
}