blob: b1495a7e06ce693b4fc698ee4d62549bd0614700 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_RISCV_STACKTRACE_H
#define _ASM_RISCV_STACKTRACE_H
#include <linux/sched.h>
#include <asm/ptrace.h>
struct stackframe {
unsigned long fp;
unsigned long ra;
};
extern void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
bool (*fn)(void *, unsigned long), void *arg);
extern void dump_backtrace(struct pt_regs *regs, struct task_struct *task,
const char *loglvl);
static inline bool on_thread_stack(void)
{
return !(((unsigned long)(current->stack) ^ current_stack_pointer) & ~(THREAD_SIZE - 1));
}
#ifdef CONFIG_VMAP_STACK
DECLARE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack);
#endif /* CONFIG_VMAP_STACK */
#endif /* _ASM_RISCV_STACKTRACE_H */
|
