| 1 |
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| 2 | #ifndef _ASM_UML_STACKTRACE_H
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| 3 | #define _ASM_UML_STACKTRACE_H
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| 4 |
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| 5 | #include <linux/uaccess.h>
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| 6 | #include <linux/ptrace.h>
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| 7 |
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| 8 | struct stack_frame {
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| 9 | struct stack_frame *next_frame;
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| 10 | unsigned long return_address;
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| 11 | };
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| 12 |
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| 13 | struct stacktrace_ops {
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| 14 | void (*address)(void *data, unsigned long address, int reliable);
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| 15 | };
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| 16 |
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| 17 | #ifdef CONFIG_FRAME_POINTER
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| 18 | static inline unsigned long
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| 19 | get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs)
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| 20 | {
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| 21 | if (!task || task == current)
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| 22 | return segv_regs ? PT_REGS_BP(segv_regs) : current_bp();
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| 23 | return KSTK_EBP(task);
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| 24 | }
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| 25 | #else
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| 26 | static inline unsigned long
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| 27 | get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs)
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| 28 | {
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| 29 | return 0;
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| 30 | }
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| 31 | #endif
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| 32 |
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| 33 | static inline unsigned long
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| 34 | *get_stack_pointer(struct task_struct *task, struct pt_regs *segv_regs)
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| 35 | {
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| 36 | if (!task || task == current)
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| 37 | return segv_regs ? (unsigned long *)PT_REGS_SP(segv_regs) : current_sp();
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| 38 | return (unsigned long *)KSTK_ESP(task);
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| 39 | }
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| 40 |
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| 41 | void dump_trace(struct task_struct *tsk, const struct stacktrace_ops *ops, void *data);
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| 42 |
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| 43 | #endif
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