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Diffstat (limited to 'arch/powerpc/kernel/kprobes.c')
-rw-r--r--arch/powerpc/kernel/kprobes.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 90fab64d911d..2f72af82513c 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -32,6 +32,7 @@
#include <linux/module.h>
#include <linux/kdebug.h>
#include <linux/slab.h>
+#include <asm/code-patching.h>
#include <asm/cacheflush.h>
#include <asm/sstep.h>
#include <asm/uaccess.h>
@@ -491,12 +492,10 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
return ret;
}
-#ifdef CONFIG_PPC64
unsigned long arch_deref_entry_point(void *entry)
{
- return ((func_descr_t *)entry)->entry;
+ return ppc_global_function_entry(entry);
}
-#endif
int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
{
@@ -508,8 +507,12 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
/* setup return addr to the jprobe handler routine */
regs->nip = arch_deref_entry_point(jp->entry);
#ifdef CONFIG_PPC64
+#if defined(_CALL_ELF) && _CALL_ELF == 2
+ regs->gpr[12] = (unsigned long)jp->entry;
+#else
regs->gpr[2] = (unsigned long)(((func_descr_t *)jp->entry)->toc);
#endif
+#endif
return 1;
}