| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Stack trace management functions |
| * |
| * Copyright IBM Corp. 2006 |
| * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> |
| */ |
| |
| #include <linux/stacktrace.h> |
| #include <asm/stacktrace.h> |
| #include <asm/unwind.h> |
| |
| void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie, |
| struct task_struct *task, struct pt_regs *regs) |
| { |
| struct unwind_state state; |
| unsigned long addr; |
| |
| unwind_for_each_frame(&state, task, regs, 0) { |
| addr = unwind_get_return_address(&state); |
| if (!addr || !consume_entry(cookie, addr, false)) |
| break; |
| } |
| } |
