sh: Add kprobe-based event tracer.

This follows the x86/ppc changes for kprobe-based event tracing on sh.
While kprobes is only supported on 32-bit sh, we provide the API for
HAVE_REGS_AND_STACK_ACCESS_API for both 32 and 64-bit.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 79 insertions, 0 deletions

diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 5fd644da7f02..b97817016b6a 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -252,6 +252,85 @@ static int fpregs_active(struct task_struct *target,
 }
 #endif
 
+const struct pt_regs_offset regoffset_table[] = {
+        REG_OFFSET_NAME(pc),
+        REG_OFFSET_NAME(sr),
+        REG_OFFSET_NAME(syscall_nr),
+        REGS_OFFSET_NAME(0),
+        REGS_OFFSET_NAME(1),
+        REGS_OFFSET_NAME(2),
+        REGS_OFFSET_NAME(3),
+        REGS_OFFSET_NAME(4),
+        REGS_OFFSET_NAME(5),
+        REGS_OFFSET_NAME(6),
+        REGS_OFFSET_NAME(7),
+        REGS_OFFSET_NAME(8),
+        REGS_OFFSET_NAME(9),
+        REGS_OFFSET_NAME(10),
+        REGS_OFFSET_NAME(11),
+        REGS_OFFSET_NAME(12),
+        REGS_OFFSET_NAME(13),
+        REGS_OFFSET_NAME(14),
+        REGS_OFFSET_NAME(15),
+        REGS_OFFSET_NAME(16),
+        REGS_OFFSET_NAME(17),
+        REGS_OFFSET_NAME(18),
+        REGS_OFFSET_NAME(19),
+        REGS_OFFSET_NAME(20),
+        REGS_OFFSET_NAME(21),
+        REGS_OFFSET_NAME(22),
+        REGS_OFFSET_NAME(23),
+        REGS_OFFSET_NAME(24),
+        REGS_OFFSET_NAME(25),
+        REGS_OFFSET_NAME(26),
+        REGS_OFFSET_NAME(27),
+        REGS_OFFSET_NAME(28),
+        REGS_OFFSET_NAME(29),
+        REGS_OFFSET_NAME(30),
+        REGS_OFFSET_NAME(31),
+        REGS_OFFSET_NAME(32),
+        REGS_OFFSET_NAME(33),
+        REGS_OFFSET_NAME(34),
+        REGS_OFFSET_NAME(35),
+        REGS_OFFSET_NAME(36),
+        REGS_OFFSET_NAME(37),
+        REGS_OFFSET_NAME(38),
+        REGS_OFFSET_NAME(39),
+        REGS_OFFSET_NAME(40),
+        REGS_OFFSET_NAME(41),
+        REGS_OFFSET_NAME(42),
+        REGS_OFFSET_NAME(43),
+        REGS_OFFSET_NAME(44),
+        REGS_OFFSET_NAME(45),
+        REGS_OFFSET_NAME(46),
+        REGS_OFFSET_NAME(47),
+        REGS_OFFSET_NAME(48),
+        REGS_OFFSET_NAME(49),
+        REGS_OFFSET_NAME(50),
+        REGS_OFFSET_NAME(51),
+        REGS_OFFSET_NAME(52),
+        REGS_OFFSET_NAME(53),
+        REGS_OFFSET_NAME(54),
+        REGS_OFFSET_NAME(55),
+        REGS_OFFSET_NAME(56),
+        REGS_OFFSET_NAME(57),
+        REGS_OFFSET_NAME(58),
+        REGS_OFFSET_NAME(59),
+        REGS_OFFSET_NAME(60),
+        REGS_OFFSET_NAME(61),
+        REGS_OFFSET_NAME(62),
+        REGS_OFFSET_NAME(63),
+        TREGS_OFFSET_NAME(0),
+        TREGS_OFFSET_NAME(1),
+        TREGS_OFFSET_NAME(2),
+        TREGS_OFFSET_NAME(3),
+        TREGS_OFFSET_NAME(4),
+        TREGS_OFFSET_NAME(5),
+        TREGS_OFFSET_NAME(6),
+        TREGS_OFFSET_NAME(7),
+        REG_OFFSET_END,
+};
+
 /*
  * These are our native regset flavours.
  */