[SPARC64]: Add kretprobe support.

Passes the smoke tests at least, powerpc implementation was used
as a guide.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/asm-sparc64/kprobes.h b/include/asm-sparc64/kprobes.h
index 5020eaf67c29..7237dd87663e 100644
--- a/include/asm-sparc64/kprobes.h
+++ b/include/asm-sparc64/kprobes.h
@@ -14,11 +14,15 @@ typedef u32 kprobe_opcode_t;
 
 #define arch_remove_kprobe(p)   do {} while (0)
 
+#define ARCH_SUPPORTS_KRETPROBES
+
 #define flush_insn_slot(p)              \
 do {    flushi(&(p)->ainsn.insn[0]);    \
         flushi(&(p)->ainsn.insn[1]);    \
 } while (0)
 
+void kretprobe_trampoline(void);
+
 /* Architecture specific copy of original instruction*/
 struct arch_specific_insn {
         /* copy of the original instruction */