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HEAD
Improve error message.
[pintos-anon]
/
src
/
lib
/
debug.c
1
#include "debug.h"
2
#include <stdarg.h>
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#include "interrupt.h"
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#include "lib.h"
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void
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panic (const char *format, ...)
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{
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va_list args;
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intr_disable ();
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va_start (args, format);
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vprintk (format, args);
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printk ("\n");
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va_end (args);
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backtrace ();
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for (;;);
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}
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void
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backtrace (void)
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{
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void **frame;
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printk ("Call stack:");
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for (frame = __builtin_frame_address (0);
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frame != NULL && frame[0] != NULL;
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frame = frame[0])
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printk (" %p", frame[1]);
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printk (".\n");
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}