sh: Enable HAVE_ARCH_TRACEHOOK for all SH, now that SH-5 supports it too.

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

arch/sh/Kconfig

@@ -13,6 +13,7 @@ config SUPERH
 	select HAVE_OPROFILE
 	select HAVE_GENERIC_DMA_COHERENT
 	select HAVE_IOREMAP_PROT if MMU
+	select HAVE_ARCH_TRACEHOOK
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
@@ -23,7 +24,6 @@ config SUPERH32
 	def_bool !SUPERH64
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
-	select HAVE_ARCH_TRACEHOOK
 	select HAVE_FUNCTION_TRACER
 	select HAVE_FTRACE_MCOUNT_RECORD
 	select HAVE_DYNAMIC_FTRACE

arch/sh/include/asm/processor_64.h

@@ -226,7 +226,7 @@ extern unsigned long get_wchan(struct task_struct *p);
 #define KSTK_EIP(tsk)  ((tsk)->thread.pc)
 #define KSTK_ESP(tsk)  ((tsk)->thread.sp)
 
-#define user_stack_pointer(regs)	((regs)->sp)
+#define user_stack_pointer(regs)	((regs)->regs[15])
 
 #endif	/* __ASSEMBLY__ */
 #endif /* __ASM_SH_PROCESSOR_64_H */

arch/sh/include/asm/syscall_64.h

@@ -65,7 +65,7 @@ static inline void syscall_get_arguments(struct task_struct *task,
 					 unsigned long *args)
 {
 	BUG_ON(i + n > 6);
-	memcpy(args, &regs->reg[2 + i], n * sizeof(args[0]));
+	memcpy(args, &regs->regs[2 + i], n * sizeof(args[0]));
 }
 
 static inline void syscall_set_arguments(struct task_struct *task,
@@ -74,7 +74,7 @@ static inline void syscall_set_arguments(struct task_struct *task,
 					 const unsigned long *args)
 {
 	BUG_ON(i + n > 6);
-	memcpy(&regs->reg[2 + i], args, n * sizeof(args[0]));
+	memcpy(&regs->regs[2 + i], args, n * sizeof(args[0]));
 }
 
 #endif /* __ASM_SH_SYSCALL_64_H */