WSL2-Linux-Kernel/arch/sh/kernel/stacktrace.c

37 строки
845 B
C

/*
* arch/sh/kernel/stacktrace.c
*
* Stack trace management functions
*
* Copyright (C) 2006 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/sched.h>
#include <linux/stacktrace.h>
#include <linux/thread_info.h>
#include <asm/ptrace.h>
/*
* Save stack-backtrace addresses into a stack_trace buffer.
*/
void save_stack_trace(struct stack_trace *trace)
{
unsigned long *sp = (unsigned long *)current_stack_pointer;
while (!kstack_end(sp)) {
unsigned long addr = *sp++;
if (__kernel_text_address(addr)) {
if (trace->skip > 0)
trace->skip--;
else
trace->entries[trace->nr_entries++] = addr;
if (trace->nr_entries >= trace->max_entries)
break;
}
}
}