mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-29 13:00:35 +00:00
c624d33f61
Add weak symbol of save_stack_trace_regs() as same as save_stack_trace_tsk() since that is not implemented except x86 yet. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: yrl.pp-manager.tt@hitachi.com Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@gmail.com> Link: http://lkml.kernel.org/r/20110608070927.17777.37895.stgit@fedora15 Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
|
|
* kernel/stacktrace.c
|
|
*
|
|
* Stack trace management functions
|
|
*
|
|
* Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
|
|
*/
|
|
#include <linux/sched.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/kallsyms.h>
|
|
#include <linux/stacktrace.h>
|
|
|
|
void print_stack_trace(struct stack_trace *trace, int spaces)
|
|
{
|
|
int i;
|
|
|
|
if (WARN_ON(!trace->entries))
|
|
return;
|
|
|
|
for (i = 0; i < trace->nr_entries; i++) {
|
|
printk("%*c", 1 + spaces, ' ');
|
|
print_ip_sym(trace->entries[i]);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(print_stack_trace);
|
|
|
|
/*
|
|
* Architectures that do not implement save_stack_trace_tsk or
|
|
* save_stack_trace_regs get this weak alias and a once-per-bootup warning
|
|
* (whenever this facility is utilized - for example by procfs):
|
|
*/
|
|
__weak void
|
|
save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
|
|
{
|
|
WARN_ONCE(1, KERN_INFO "save_stack_trace_tsk() not implemented yet.\n");
|
|
}
|
|
|
|
__weak void
|
|
save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace)
|
|
{
|
|
WARN_ONCE(1, KERN_INFO "save_stack_trace_regs() not implemented yet.\n");
|
|
}
|