| /* |
| * 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 */ |
