/* -*- linux-c -*-
* ia64 stack tracing functions
* Copyright (C) 2005 Intel Corporation.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
struct dump_para{
unsigned long *sp;
int verbose;
};
static void __stp_show_stack_sym(struct unw_frame_info *info, void *arg)
{
unsigned long ip, skip=1;
struct dump_para* para = (struct dump_para*)arg;
struct pt_regs *regs = container_of(para->sp, struct pt_regs, r12);
do {
unw_get_ip(info, &ip);
if (ip == 0) break;
if (skip){
if (ip == REG_IP(regs))
skip = 0;
continue;
}
_stp_print_addr(ip, para->verbose, NULL);
} while (unw_unwind(info) >= 0);
}
static void __stp_stack_print (struct pt_regs *regs, int verbose, int levels)
{
unsigned long *stack = (unsigned long *)®_SP(regs);
struct dump_para para;
para.sp = stack;
para.verbose = verbose;
unw_init_running(__stp_show_stack_sym, ¶);
}
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