diff options
Diffstat (limited to 'arch/xtensa/include/asm/stacktrace.h')
| -rw-r--r-- | arch/xtensa/include/asm/stacktrace.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/xtensa/include/asm/stacktrace.h b/arch/xtensa/include/asm/stacktrace.h index 6a05fcb0a20d..a85e785a6288 100644 --- a/arch/xtensa/include/asm/stacktrace.h +++ b/arch/xtensa/include/asm/stacktrace.h @@ -19,18 +19,26 @@ struct stackframe { static __always_inline unsigned long *stack_pointer(struct task_struct *task) { - unsigned long *sp; + unsigned long sp; if (!task || task == current) - __asm__ __volatile__ ("mov %0, a1\n" : "=a"(sp)); + sp = current_stack_pointer; else - sp = (unsigned long *)task->thread.sp; + sp = task->thread.sp; - return sp; + return (unsigned long *)sp; } void walk_stackframe(unsigned long *sp, int (*fn)(struct stackframe *frame, void *data), void *data); +void xtensa_backtrace_kernel(struct pt_regs *regs, unsigned int depth, + int (*kfn)(struct stackframe *frame, void *data), + int (*ufn)(struct stackframe *frame, void *data), + void *data); +void xtensa_backtrace_user(struct pt_regs *regs, unsigned int depth, + int (*ufn)(struct stackframe *frame, void *data), + void *data); + #endif /* _XTENSA_STACKTRACE_H */ |