bc850d6b37
For enhancing the 32 bit EBP based backtracer, I need the capability for the backtracer to tell it's customer that an entry is either reliable or unreliable, and the backtrace printing code then needs to print the unreliable ones slightly different. This patch adds the basic capability, the next patch will add a user of this capability. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
22 lines
621 B
C
22 lines
621 B
C
#ifndef _ASM_STACKTRACE_H
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#define _ASM_STACKTRACE_H 1
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extern int kstack_depth_to_print;
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/* Generic stack tracer with callbacks */
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struct stacktrace_ops {
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void (*warning)(void *data, char *msg);
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/* msg must contain %s for the symbol */
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void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
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void (*address)(void *data, unsigned long address, int reliable);
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/* On negative return stop dumping */
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int (*stack)(void *data, char *name);
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};
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void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
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unsigned long *stack, unsigned long bp,
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const struct stacktrace_ops *ops, void *data);
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#endif
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