/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_UML_STACKTRACE_H #define _ASM_UML_STACKTRACE_H #include <linux/uaccess.h> #include <linux/ptrace.h> struct stack_frame { struct stack_frame *next_frame; unsigned long return_address; }; struct stacktrace_ops { void (*address)(void *data, unsigned long address, int reliable); }; #ifdef CONFIG_FRAME_POINTER static inline unsigned long get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs) { if (!task || task == current) return segv_regs ? PT_REGS_BP(segv_regs) : current_bp(); return KSTK_EBP(task); } #else static inline unsigned long get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs) { return 0; } #endif static inline unsigned long *get_stack_pointer(struct task_struct *task, struct pt_regs *segv_regs) { if (!task || task == current) return segv_regs ? (unsigned long *)PT_REGS_SP(segv_regs) : current_sp(); return (unsigned long *)KSTK_ESP(task); } void dump_trace(struct task_struct *tsk, const struct stacktrace_ops *ops, void *data); #endif /* _ASM_UML_STACKTRACE_H */