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authorPaul Mundt <lethal@linux-sh.org>2008-09-08 18:22:47 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-09-08 18:22:47 +0900
commit4eb5845d6cbdb9bf03f563c22f3a54115121858f (patch)
treea4c2bfb9f7e42a016b002ac3c709d21fd7f4f492 /arch/sh/kernel/kprobes.c
parentsh: kprobes: Fix up race against probe point removal. (diff)
downloadlinux-dev-4eb5845d6cbdb9bf03f563c22f3a54115121858f.tar.xz
linux-dev-4eb5845d6cbdb9bf03f563c22f3a54115121858f.zip
sh: kprobes: __kprobes annotations and formatting cleanups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to '')
-rw-r--r--arch/sh/kernel/kprobes.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index a478ba78e752..e357e3669a34 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -115,20 +115,20 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
}
}
-static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
{
kcb->prev_kprobe.kp = kprobe_running();
kcb->prev_kprobe.status = kcb->kprobe_status;
}
-static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
{
__get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
kcb->kprobe_status = kcb->prev_kprobe.status;
}
-static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
- struct kprobe_ctlblk *kcb)
+static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
+ struct kprobe_ctlblk *kcb)
{
__get_cpu_var(current_kprobe) = p;
}
@@ -138,7 +138,7 @@ static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
* on the next instruction, following branches. Two probes are set if the
* branch is conditional.
*/
-static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
+static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
{
kprobe_opcode_t *addr = NULL;
saved_current_opcode.addr = (kprobe_opcode_t *) (regs->pc);
@@ -273,12 +273,12 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
/* handler has already set things up, so skip ss setup */
return 1;
- ss_probe:
+ss_probe:
prepare_singlestep(p, regs);
kcb->kprobe_status = KPROBE_HIT_SS;
return 1;
- no_kprobe:
+no_kprobe:
preempt_enable_no_resched();
return ret;
}
@@ -358,7 +358,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
return orig_ret_address;
}
-static inline int post_kprobe_handler(struct pt_regs *regs)
+static int __kprobes post_kprobe_handler(struct pt_regs *regs)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -391,14 +391,15 @@ static inline int post_kprobe_handler(struct pt_regs *regs)
}
}
- /*Restore back the original saved kprobes variables and continue. */
+ /* Restore back the original saved kprobes variables and continue. */
if (kcb->kprobe_status == KPROBE_REENTER) {
restore_previous_kprobe(kcb);
goto out;
}
+
reset_current_kprobe();
- out:
+out:
preempt_enable_no_resched();
return 1;
@@ -463,6 +464,7 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
default:
break;
}
+
return 0;
}
@@ -498,8 +500,8 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
ret = NOTIFY_STOP;
} else {
p = __get_cpu_var(current_kprobe);
- if (p->break_handler
- && p->break_handler(p, args->regs))
+ if (p->break_handler &&
+ p->break_handler(p, args->regs))
ret = NOTIFY_STOP;
}
}
@@ -542,25 +544,26 @@ void __kprobes jprobe_return(void)
int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
{
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
- u8 *addr = (u8 *) regs->pc;
unsigned long stack_addr = kcb->jprobe_saved_r15;
+ u8 *addr = (u8 *)regs->pc;
- if ((addr >= (u8 *) jprobe_return)
- && (addr <= (u8 *) jprobe_return_end)) {
+ if ((addr >= (u8 *)jprobe_return) &&
+ (addr <= (u8 *)jprobe_return_end)) {
*regs = kcb->jprobe_saved_regs;
- memcpy((kprobe_opcode_t *) stack_addr, kcb->jprobes_stack,
+ memcpy((kprobe_opcode_t *)stack_addr, kcb->jprobes_stack,
MIN_STACK_SIZE(stack_addr));
kcb->kprobe_status = KPROBE_HIT_SS;
preempt_enable_no_resched();
return 1;
}
+
return 0;
}
static struct kprobe trampoline_p = {
- .addr = (kprobe_opcode_t *) &kretprobe_trampoline,
+ .addr = (kprobe_opcode_t *)&kretprobe_trampoline,
.pre_handler = trampoline_probe_handler
};