mirror of
https://github.com/torvalds/linux.git
synced 2024-11-14 08:02:07 +00:00
273fe1b676
We currently get a few stray newlines, due to the interaction between printk() and the code here. Remove a few explicit newline prints to neaten the output. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Richard Weinberger <richard@nod.at>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
|
|
* Copyright (C) 2013 Richard Weinberger <richrd@nod.at>
|
|
*/
|
|
|
|
#include <linux/kallsyms.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/sched/debug.h>
|
|
#include <linux/sched/task_stack.h>
|
|
|
|
#include <asm/sysrq.h>
|
|
#include <asm/stacktrace.h>
|
|
#include <os.h>
|
|
|
|
static void _print_addr(void *data, unsigned long address, int reliable)
|
|
{
|
|
const char *loglvl = data;
|
|
|
|
printk("%s [<%08lx>] %s%pS\n", loglvl, address, reliable ? "" : "? ",
|
|
(void *)address);
|
|
}
|
|
|
|
static const struct stacktrace_ops stackops = {
|
|
.address = _print_addr
|
|
};
|
|
|
|
void show_stack(struct task_struct *task, unsigned long *stack,
|
|
const char *loglvl)
|
|
{
|
|
struct pt_regs *segv_regs = current->thread.segv_regs;
|
|
int i;
|
|
|
|
if (!segv_regs && os_is_signal_stack()) {
|
|
pr_err("Received SIGSEGV in SIGSEGV handler,"
|
|
" aborting stack trace!\n");
|
|
return;
|
|
}
|
|
|
|
if (!stack)
|
|
stack = get_stack_pointer(task, segv_regs);
|
|
|
|
printk("%sStack:\n", loglvl);
|
|
for (i = 0; i < 3 * STACKSLOTS_PER_LINE; i++) {
|
|
if (kstack_end(stack))
|
|
break;
|
|
if (i && ((i % STACKSLOTS_PER_LINE) == 0))
|
|
pr_cont("\n");
|
|
pr_cont(" %08lx", *stack++);
|
|
}
|
|
|
|
printk("%sCall Trace:\n", loglvl);
|
|
dump_trace(current, &stackops, (void *)loglvl);
|
|
}
|