remove the h8300 architecture

Signed-off-by: Christoph Hellwig <hch@lst.de>

1 files changed, 0 insertions, 200 deletions

diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c
deleted file mode 100644
index a11db009d0ea..000000000000
--- a/arch/h8300/kernel/ptrace.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- *  linux/arch/h8300/kernel/ptrace.c
- *
- *  Copyright 2015 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/kernel.h>
-#include <linux/errno.h>
-#include <linux/ptrace.h>
-#include <linux/audit.h>
-#include <linux/tracehook.h>
-#include <linux/regset.h>
-#include <linux/elf.h>
-
-#define CCR_MASK 0x6f    /* mode/imask not set */
-#define EXR_MASK 0x80    /* modify only T */
-
-#define PT_REG(r) offsetof(struct pt_regs, r)
-
-extern void user_disable_single_step(struct task_struct *child);
-
-/* 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 register_offset[] = {
-	PT_REG(er1), PT_REG(er2), PT_REG(er3), PT_REG(er4),
-	PT_REG(er5), PT_REG(er6), PT_REG(er0), -1,
-	PT_REG(orig_er0), PT_REG(ccr), PT_REG(pc),
-#if defined(CONFIG_CPU_H8S)
-	PT_REG(exr),
-#endif
-};
-
-/* read register */
-long h8300_get_reg(struct task_struct *task, int regno)
-{
-	switch (regno) {
-	case PT_USP:
-		return task->thread.usp + sizeof(long)*2;
-	case PT_CCR:
-	case PT_EXR:
-	    return *(unsigned short *)(task->thread.esp0 +
-				       register_offset[regno]);
-	default:
-	    return *(unsigned long *)(task->thread.esp0 +
-				      register_offset[regno]);
-	}
-}
-
-int h8300_put_reg(struct task_struct *task, int regno, unsigned long data)
-{
-	unsigned short oldccr;
-	unsigned short oldexr;
-
-	switch (regno) {
-	case PT_USP:
-		task->thread.usp = data - sizeof(long)*2;
-	case PT_CCR:
-		oldccr = *(unsigned short *)(task->thread.esp0 +
-					     register_offset[regno]);
-		oldccr &= ~CCR_MASK;
-		data &= CCR_MASK;
-		data |= oldccr;
-		*(unsigned short *)(task->thread.esp0 +
-				    register_offset[regno]) = data;
-		break;
-	case PT_EXR:
-		oldexr = *(unsigned short *)(task->thread.esp0 +
-					     register_offset[regno]);
-		oldccr &= ~EXR_MASK;
-		data &= EXR_MASK;
-		data |= oldexr;
-		*(unsigned short *)(task->thread.esp0 +
-				    register_offset[regno]) = data;
-		break;
-	default:
-		*(unsigned long *)(task->thread.esp0 +
-				   register_offset[regno]) = data;
-		break;
-	}
-	return 0;
-}
-
-static int regs_get(struct task_struct *target,
-		    const struct user_regset *regset,
-		    struct membuf to)
-{
-	int r;
-
-	BUILD_BUG_ON(sizeof(struct user_regs_struct) % sizeof(long) != 0);
-	for (r = 0; r < ELF_NGREG; r++)
-		membuf_store(&to, h8300_get_reg(target, r));
-
-	return 0;
-}
-
-static int regs_set(struct task_struct *target,
-		    const struct user_regset *regset,
-		    unsigned int pos, unsigned int count,
-		    const void *kbuf, const void __user *ubuf)
-{
-	int r;
-	int ret;
-	struct user_regs_struct regs;
-	long *reg;
-
-	/* build user regs in buffer */
-	BUILD_BUG_ON(sizeof(regs) % sizeof(long) != 0);
-	for (reg = (long *)&regs, r = 0; r < sizeof(regs) / sizeof(long); r++)
-		*reg++ = h8300_get_reg(target, r);
-
-	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
-				 &regs, 0, sizeof(regs));
-	if (ret)
-		return ret;
-
-	/* write back to pt_regs */
-	for (reg = (long *)&regs, r = 0; r < sizeof(regs) / sizeof(long); r++)
-		h8300_put_reg(target, r, *reg++);
-	return 0;
-}
-
-enum h8300_regset {
-	REGSET_GENERAL,
-};
-
-static const struct user_regset h8300_regsets[] = {
-	[REGSET_GENERAL] = {
-		.core_note_type	= NT_PRSTATUS,
-		.n		= ELF_NGREG,
-		.size		= sizeof(long),
-		.align		= sizeof(long),
-		.regset_get		= regs_get,
-		.set		= regs_set,
-	},
-};
-
-static const struct user_regset_view user_h8300_native_view = {
-	.name = "h8300",
-	.e_machine = EM_H8_300,
-	.regsets = h8300_regsets,
-	.n = ARRAY_SIZE(h8300_regsets),
-};
-
-const struct user_regset_view *task_user_regset_view(struct task_struct *task)
-{
-	return &user_h8300_native_view;
-}
-
-void ptrace_disable(struct task_struct *child)
-{
-	user_disable_single_step(child);
-}
-
-long arch_ptrace(struct task_struct *child, long request,
-		 unsigned long addr, unsigned long data)
-{
-	int ret;
-
-	switch (request) {
-	default:
-		ret = ptrace_request(child, request, addr, data);
-		break;
-	}
-	return ret;
-}
-
-asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
-{
-	long ret = 0;
-
-	if (test_thread_flag(TIF_SYSCALL_TRACE) &&
-	    tracehook_report_syscall_entry(regs))
-		/*
-		 * Tracing decided this syscall should not happen.
-		 * We'll return a bogus call number to get an ENOSYS
-		 * error, but leave the original number in regs->regs[0].
-		 */
-		ret = -1L;
-
-	audit_syscall_entry(regs->er1, regs->er2, regs->er3,
-			    regs->er4, regs->er5);
-
-	return ret ?: regs->er0;
-}
-
-asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
-{
-	int step;
-
-	audit_syscall_exit(regs);
-
-	step = test_thread_flag(TIF_SINGLESTEP);
-	if (step || test_thread_flag(TIF_SYSCALL_TRACE))
-		tracehook_report_syscall_exit(regs, step);
-}