27 lines
526 B
C
27 lines
526 B
C
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#include <inc/lib.h>
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/*
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* Panic is called on unresolvable fatal errors.
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* It prints "panic: <message>", then causes a breakpoint exception,
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* which causes JOS to enter the JOS kernel monitor.
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*/
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void
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_panic(const char *file, int line, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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// Print the panic message
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cprintf("[%08x] user panic in %s at %s:%d: ",
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sys_getenvid(), binaryname, file, line);
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vcprintf(fmt, ap);
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cprintf("\n");
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// Cause a breakpoint exception
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while (1)
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asm volatile("int3");
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}
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