From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/xtensa/include/asm/stacktrace.h | 44 ++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 arch/xtensa/include/asm/stacktrace.h (limited to 'arch/xtensa/include/asm/stacktrace.h') diff --git a/arch/xtensa/include/asm/stacktrace.h b/arch/xtensa/include/asm/stacktrace.h new file mode 100644 index 0000000000..a85e785a62 --- /dev/null +++ b/arch/xtensa/include/asm/stacktrace.h @@ -0,0 +1,44 @@ +/* + * arch/xtensa/include/asm/stacktrace.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 - 2013 Tensilica Inc. + */ +#ifndef _XTENSA_STACKTRACE_H +#define _XTENSA_STACKTRACE_H + +#include + +struct stackframe { + unsigned long pc; + unsigned long sp; +}; + +static __always_inline unsigned long *stack_pointer(struct task_struct *task) +{ + unsigned long sp; + + if (!task || task == current) + sp = current_stack_pointer; + else + sp = task->thread.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 */ -- cgit v1.2.3