/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_UNWIND_USER_TYPES_H #define _LINUX_UNWIND_USER_TYPES_H #include <linux/types.h> /* * Unwind types, listed in priority order: lower numbers are attempted first if * available. */ enum unwind_user_type_bits { UNWIND_USER_TYPE_FP_BIT = 0, NR_UNWIND_USER_TYPE_BITS, }; enum unwind_user_type { /* Type "none" for the start of stack walk iteration. */ UNWIND_USER_TYPE_NONE = 0, UNWIND_USER_TYPE_FP = BIT(UNWIND_USER_TYPE_FP_BIT), }; struct unwind_stacktrace { unsigned int nr; unsigned long *entries; }; struct unwind_user_frame { s32 cfa_off; s32 ra_off; s32 fp_off; bool use_fp; }; struct unwind_user_state { unsigned long ip; unsigned long sp; unsigned long fp; unsigned int ws; enum unwind_user_type current_type; unsigned int available_types; bool topmost; bool done; }; #endif /* _LINUX_UNWIND_USER_TYPES_H */