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