| #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 */ |
