cosmopolitan/examples/crashreport.c
2024-09-11 03:49:29 -07:00

43 lines
1.5 KiB
C

#if 0
/*─────────────────────────────────────────────────────────────────╗
│ To the extent possible under law, Justine Tunney has waived │
│ all copyright and related or neighboring rights to this file, │
│ as it is written in the following disclaimers: │
│ • http://unlicense.org/ │
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include <cosmo.h>
/**
* @fileoverview How to print backtraces and cpu state on crash.
*
* make -j8 -O o//examples/crashreport.com
* o//examples/crashreport.com
*
* To prevent the GDB GUI from popping up:
*
* export GDB=
* make -j8 -O o//examples/crashreport.com
* o//examples/crashreport.com
*/
int Divide(int x, int y) {
volatile int z = 0; // force creation of stack frame
return x / y + z;
}
int (*pDivide)(int, int) = Divide;
dontubsan int main(int argc, char *argv[]) {
kprintf("----------------\n");
kprintf(" THIS IS A TEST \n");
kprintf("SIMULATING CRASH\n");
kprintf("----------------\n");
ShowCrashReports();
pDivide(1, 0);
pDivide(2, 0);
pDivide(3, 0);
}