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sh: Add FPU registers to regset interface.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2008-09-21 19:04:55 +09:00
parent 4b4cf7595a
commit e7ab3cd251
5 changed files with 108 additions and 9 deletions
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14
arch/sh/kernel/process_32.c
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@@ -7,7 +7,11 @@
*
* SuperH version: Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima
* Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC
* Copyright (C) 2002 - 2007 Paul Mundt
* Copyright (C) 2002 - 2008 Paul Mundt
*
* 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/module.h>
#include <linux/mm.h>
@@ -222,10 +226,10 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
struct task_struct *tsk = current;
fpvalid = !!tsk_used_math(tsk);
if (fpvalid) {
unlazy_fpu(tsk, regs);
memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu));
}
if (fpvalid)
fpvalid = !fpregs_get(tsk, NULL, 0,
sizeof(struct user_fpu_struct),
fpu, NULL);
#endif
return fpvalid;