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47 lines
1.3 KiB
47 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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#ifndef _ASM_UPROBES_H |
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#define _ASM_UPROBES_H |
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/* |
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* User-space Probes (UProbes) for sparc |
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* |
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* Copyright (C) 2013 Oracle, Inc. |
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* |
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* Authors: |
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* Jose E. Marchesi <[email protected]> |
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* Eric Saint Etienne <[email protected]> |
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*/ |
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typedef u32 uprobe_opcode_t; |
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#define MAX_UINSN_BYTES 4 |
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#define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES * 2) |
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#define UPROBE_SWBP_INSN_SIZE 4 |
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#define UPROBE_SWBP_INSN 0x91d02073 /* ta 0x73 */ |
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#define UPROBE_STP_INSN 0x91d02074 /* ta 0x74 */ |
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#define ANNUL_BIT (1 << 29) |
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struct arch_uprobe { |
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union { |
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u8 insn[MAX_UINSN_BYTES]; |
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u32 ixol; |
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}; |
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}; |
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struct arch_uprobe_task { |
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u64 saved_tpc; |
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u64 saved_tnpc; |
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}; |
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struct task_struct; |
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struct notifier_block; |
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extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr); |
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extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs); |
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extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs); |
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extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk); |
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extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data); |
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extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs); |
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#endif /* _ASM_UPROBES_H */
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