diff options
Diffstat (limited to 'arch/powerpc/kernel/kprobes.c')
-rw-r--r-- | arch/powerpc/kernel/kprobes.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index 0c96611f02f4..440f5a87271f 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c | |||
@@ -492,6 +492,13 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, | |||
492 | return ret; | 492 | return ret; |
493 | } | 493 | } |
494 | 494 | ||
495 | #ifdef CONFIG_PPC64 | ||
496 | unsigned long arch_deref_entry_point(void *entry) | ||
497 | { | ||
498 | return (unsigned long)(((func_descr_t *)entry)->entry); | ||
499 | } | ||
500 | #endif | ||
501 | |||
495 | int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) | 502 | int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) |
496 | { | 503 | { |
497 | struct jprobe *jp = container_of(p, struct jprobe, kp); | 504 | struct jprobe *jp = container_of(p, struct jprobe, kp); |
@@ -500,11 +507,9 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) | |||
500 | memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs)); | 507 | memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs)); |
501 | 508 | ||
502 | /* setup return addr to the jprobe handler routine */ | 509 | /* setup return addr to the jprobe handler routine */ |
510 | regs->nip = arch_deref_entry_point(jp->entry); | ||
503 | #ifdef CONFIG_PPC64 | 511 | #ifdef CONFIG_PPC64 |
504 | regs->nip = (unsigned long)(((func_descr_t *)jp->entry)->entry); | ||
505 | regs->gpr[2] = (unsigned long)(((func_descr_t *)jp->entry)->toc); | 512 | regs->gpr[2] = (unsigned long)(((func_descr_t *)jp->entry)->toc); |
506 | #else | ||
507 | regs->nip = (unsigned long)jp->entry; | ||
508 | #endif | 513 | #endif |
509 | 514 | ||
510 | return 1; | 515 | return 1; |