43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
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/*
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* User-space Probes (UProbes) for s390
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*
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* Copyright IBM Corp. 2014
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* Author(s): Jan Willeke,
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*/
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#ifndef _ASM_UPROBES_H
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#define _ASM_UPROBES_H
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#include <linux/notifier.h>
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typedef u16 uprobe_opcode_t;
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#define UPROBE_XOL_SLOT_BYTES 256 /* cache aligned */
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#define UPROBE_SWBP_INSN 0x0002
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#define UPROBE_SWBP_INSN_SIZE 2
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struct arch_uprobe {
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union{
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uprobe_opcode_t insn[3];
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uprobe_opcode_t ixol[3];
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};
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unsigned int saved_per : 1;
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unsigned int saved_int_code;
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};
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struct arch_uprobe_task {
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};
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int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm,
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unsigned long addr);
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int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
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int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
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bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
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int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val,
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void *data);
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void arch_uprobe_abort_xol(struct arch_uprobe *ap, struct pt_regs *regs);
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unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline,
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struct pt_regs *regs);
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#endif /* _ASM_UPROBES_H */
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