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Userland: Add a helpful little program for provoking different crashes.
Currently supported crash types: -s : Segmentation violation -d : Division by zero -i : Illegal instruction -a : Abort
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55
Userland/crash.cpp
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55
Userland/crash.cpp
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#include <AK/AKString.h>
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#include <stdio.h>
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#include <stdlib.h>
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static void print_usage_and_exit()
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{
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printf("usage: crash -[sdia]\n");
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exit(0);
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}
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int main(int argc, char** argv)
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{
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enum Mode { SegmentationViolation, DivisionByZero, IllegalInstruction, Abort };
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Mode mode = SegmentationViolation;
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if (argc != 2)
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print_usage_and_exit();
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if (String(argv[1]) == "-s")
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mode = SegmentationViolation;
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else if (String(argv[1]) == "-d")
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mode = DivisionByZero;
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else if (String(argv[1]) == "-i")
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mode = IllegalInstruction;
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else if (String(argv[1]) == "-a")
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mode = Abort;
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else
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print_usage_and_exit();
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if (mode == SegmentationViolation) {
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volatile int* crashme = nullptr;
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*crashme = 0xbeef;
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ASSERT_NOT_REACHED();
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}
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if (mode == DivisionByZero) {
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volatile int lala = 10;
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volatile int zero = 0;
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volatile int test = lala / zero;
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ASSERT_NOT_REACHED();
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}
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if (mode == IllegalInstruction) {
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asm volatile("ud2");
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ASSERT_NOT_REACHED();
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}
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if (mode == Abort) {
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abort();
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ASSERT_NOT_REACHED();
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}
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ASSERT_NOT_REACHED();
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return 0;
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}
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