Drop support for Renesas H8/300 (h8300) architecture

[sfrench/cifs-2.6.git] / arch / h8300 / platform / h8s / ptrace_h8s.c

diff --git a/arch/h8300/platform/h8s/ptrace_h8s.c b/arch/h8300/platform/h8s/ptrace_h8s.c
deleted file mode 100644 (file)
index c058ab1..0000000
--- a/arch/h8300/platform/h8s/ptrace_h8s.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- *  linux/arch/h8300/platform/h8s/ptrace_h8s.c
- *    ptrace cpu depend helper functions
- *
- *  Yoshinori Sato <ysato@users.sourceforge.jp>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License.  See the file COPYING in the main directory of
- * this archive for more details.
- */
-
-#include <linux/linkage.h>
-#include <linux/sched.h>
-#include <linux/errno.h>
-#include <asm/ptrace.h>
-
-#define CCR_MASK  0x6f
-#define EXR_TRACE 0x80
-
-/* Mapping from PT_xxx to the stack offset at which the register is
-   saved.  Notice that usp has no stack-slot and needs to be treated
-   specially (see get_reg/put_reg below). */
-static const int h8300_register_offset[] = {
-       PT_REG(er1), PT_REG(er2), PT_REG(er3), PT_REG(er4),
-       PT_REG(er5), PT_REG(er6), PT_REG(er0), PT_REG(orig_er0),
-       PT_REG(ccr), PT_REG(pc),  0,           PT_REG(exr)
-};
-
-/* read register */
-long h8300_get_reg(struct task_struct *task, int regno)
-{
-       switch (regno) {
-       case PT_USP:
-               return task->thread.usp + sizeof(long)*2 + 2;
-       case PT_CCR:
-       case PT_EXR:
-           return *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]);
-       default:
-           return *(unsigned long *)(task->thread.esp0 + h8300_register_offset[regno]);
-       }
-}
-
-/* write register */
-int h8300_put_reg(struct task_struct *task, int regno, unsigned long data)
-{
-       unsigned short oldccr;
-       switch (regno) {
-       case PT_USP:
-               task->thread.usp = data - sizeof(long)*2 - 2;
-       case PT_CCR:
-               oldccr = *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]);
-               oldccr &= ~CCR_MASK;
-               data &= CCR_MASK;
-               data |= oldccr;
-               *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]) = data;
-               break;
-       case PT_EXR:
-               /* exr modify not support */
-               return -EIO;
-       default:
-               *(unsigned long *)(task->thread.esp0 + h8300_register_offset[regno]) = data;
-               break;
-       }
-       return 0;
-}
-
-/* disable singlestep */
-void user_disable_single_step(struct task_struct *child)
-{
-       *(unsigned short *)(child->thread.esp0 + h8300_register_offset[PT_EXR]) &= ~EXR_TRACE;
-}
-
-/* enable singlestep */
-void user_enable_single_step(struct task_struct *child)
-{
-       *(unsigned short *)(child->thread.esp0 + h8300_register_offset[PT_EXR]) |= EXR_TRACE;
-}
-
-asmlinkage void trace_trap(unsigned long bp)
-{
-       (void)bp;
-       force_sig(SIGTRAP,current);
-}
-