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