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970e51fe DW |
1 | #ifndef _ASM_UML_STACKTRACE_H |
2 | #define _ASM_UML_STACKTRACE_H | |
3 | ||
4 | #include <linux/uaccess.h> | |
5 | #include <linux/ptrace.h> | |
6 | ||
7 | struct stack_frame { | |
8 | struct stack_frame *next_frame; | |
9 | unsigned long return_address; | |
10 | }; | |
11 | ||
12 | struct stacktrace_ops { | |
13 | void (*address)(void *data, unsigned long address, int reliable); | |
14 | }; | |
15 | ||
16 | #ifdef CONFIG_FRAME_POINTER | |
17 | static inline unsigned long | |
18 | get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs) | |
19 | { | |
20 | if (!task || task == current) | |
21 | return segv_regs ? PT_REGS_BP(segv_regs) : current_bp(); | |
22 | return KSTK_EBP(task); | |
23 | } | |
24 | #else | |
25 | static inline unsigned long | |
26 | get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs) | |
27 | { | |
28 | return 0; | |
29 | } | |
30 | #endif | |
31 | ||
32 | static inline unsigned long | |
33 | *get_stack_pointer(struct task_struct *task, struct pt_regs *segv_regs) | |
34 | { | |
35 | if (!task || task == current) | |
36 | return segv_regs ? (unsigned long *)PT_REGS_SP(segv_regs) : current_sp(); | |
37 | return (unsigned long *)KSTK_ESP(task); | |
38 | } | |
39 | ||
40 | void dump_trace(struct task_struct *tsk, const struct stacktrace_ops *ops, void *data); | |
41 | ||
42 | #endif /* _ASM_UML_STACKTRACE_H */ |