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Userland: Add a helpful little program for provoking different crashes.

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Currently supported crash types:

    -s : Segmentation violation
    -d : Division by zero
    -i : Illegal instruction
    -a : Abort
This commit is contained in:
Andreas Kling 2019-05-26 02:21:31 +02:00
parent cde3274ffb
commit 9308ce071f
1 changed files with 55 additions and 0 deletions
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55
Userland/crash.cpp Normal file
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@ -0,0 +1,55 @@
#include <AK/AKString.h>
#include <stdio.h>
#include <stdlib.h>
static void print_usage_and_exit()
{
printf("usage: crash -[sdia]\n");
exit(0);
}
int main(int argc, char** argv)
{
enum Mode { SegmentationViolation, DivisionByZero, IllegalInstruction, Abort };
Mode mode = SegmentationViolation;
if (argc != 2)
print_usage_and_exit();
if (String(argv[1]) == "-s")
mode = SegmentationViolation;
else if (String(argv[1]) == "-d")
mode = DivisionByZero;
else if (String(argv[1]) == "-i")
mode = IllegalInstruction;
else if (String(argv[1]) == "-a")
mode = Abort;
else
print_usage_and_exit();
if (mode == SegmentationViolation) {
volatile int* crashme = nullptr;
*crashme = 0xbeef;
ASSERT_NOT_REACHED();
}
if (mode == DivisionByZero) {
volatile int lala = 10;
volatile int zero = 0;
volatile int test = lala / zero;
ASSERT_NOT_REACHED();
}
if (mode == IllegalInstruction) {
asm volatile("ud2");
ASSERT_NOT_REACHED();
}
if (mode == Abort) {
abort();
ASSERT_NOT_REACHED();
}
ASSERT_NOT_REACHED();
return 0;
}