sh: kprobes: __kprobes annotations and formatting cleanups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Родитель
734db3770d
Коммит
4eb5845d6c
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@ -115,19 +115,19 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
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}
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}
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static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
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static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
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{
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kcb->prev_kprobe.kp = kprobe_running();
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kcb->prev_kprobe.status = kcb->kprobe_status;
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}
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static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
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static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
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{
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__get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
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kcb->kprobe_status = kcb->prev_kprobe.status;
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}
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static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
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static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
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struct kprobe_ctlblk *kcb)
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{
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__get_cpu_var(current_kprobe) = p;
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@ -138,7 +138,7 @@ static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
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* on the next instruction, following branches. Two probes are set if the
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* branch is conditional.
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*/
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static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
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static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
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{
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kprobe_opcode_t *addr = NULL;
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saved_current_opcode.addr = (kprobe_opcode_t *) (regs->pc);
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@ -273,12 +273,12 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
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/* handler has already set things up, so skip ss setup */
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return 1;
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ss_probe:
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ss_probe:
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prepare_singlestep(p, regs);
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kcb->kprobe_status = KPROBE_HIT_SS;
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return 1;
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no_kprobe:
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no_kprobe:
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preempt_enable_no_resched();
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return ret;
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}
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@ -358,7 +358,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
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return orig_ret_address;
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}
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static inline int post_kprobe_handler(struct pt_regs *regs)
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static int __kprobes post_kprobe_handler(struct pt_regs *regs)
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{
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struct kprobe *cur = kprobe_running();
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struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
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@ -391,14 +391,15 @@ static inline int post_kprobe_handler(struct pt_regs *regs)
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}
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}
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/*Restore back the original saved kprobes variables and continue. */
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/* Restore back the original saved kprobes variables and continue. */
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if (kcb->kprobe_status == KPROBE_REENTER) {
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restore_previous_kprobe(kcb);
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goto out;
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}
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reset_current_kprobe();
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out:
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out:
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preempt_enable_no_resched();
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return 1;
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@ -463,6 +464,7 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
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default:
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break;
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}
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return 0;
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}
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@ -498,8 +500,8 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
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ret = NOTIFY_STOP;
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} else {
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p = __get_cpu_var(current_kprobe);
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if (p->break_handler
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&& p->break_handler(p, args->regs))
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if (p->break_handler &&
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p->break_handler(p, args->regs))
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ret = NOTIFY_STOP;
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}
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}
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@ -542,25 +544,26 @@ void __kprobes jprobe_return(void)
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int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
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{
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struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
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u8 *addr = (u8 *) regs->pc;
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unsigned long stack_addr = kcb->jprobe_saved_r15;
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u8 *addr = (u8 *)regs->pc;
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if ((addr >= (u8 *) jprobe_return)
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&& (addr <= (u8 *) jprobe_return_end)) {
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if ((addr >= (u8 *)jprobe_return) &&
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(addr <= (u8 *)jprobe_return_end)) {
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*regs = kcb->jprobe_saved_regs;
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memcpy((kprobe_opcode_t *) stack_addr, kcb->jprobes_stack,
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memcpy((kprobe_opcode_t *)stack_addr, kcb->jprobes_stack,
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MIN_STACK_SIZE(stack_addr));
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kcb->kprobe_status = KPROBE_HIT_SS;
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preempt_enable_no_resched();
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return 1;
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}
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return 0;
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}
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static struct kprobe trampoline_p = {
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.addr = (kprobe_opcode_t *) &kretprobe_trampoline,
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.addr = (kprobe_opcode_t *)&kretprobe_trampoline,
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.pre_handler = trampoline_probe_handler
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};
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