sh: Share the ELF dump_task interfaces.

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

1 files changed, 31 insertions, 0 deletions

diff --git a/arch/sh/kernel/dump_task.c b/arch/sh/kernel/dump_task.c
new file mode 100644
index 00000000000..4a8a4083ff0
--- /dev/null
+++ b/arch/sh/kernel/dump_task.c
@@ -0,0 +1,31 @@
+#include <linux/elfcore.h>
+#include <linux/sched.h>
+
+/*
+ * Capture the user space registers if the task is not running (in user space)
+ */
+int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
+{
+	struct pt_regs ptregs;
+
+	ptregs = *task_pt_regs(tsk);
+	elf_core_copy_regs(regs, &ptregs);
+
+	return 1;
+}
+
+int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpu)
+{
+	int fpvalid = 0;
+
+#if defined(CONFIG_SH_FPU)
+	fpvalid = !!tsk_used_math(tsk);
+	if (fpvalid) {
+		unlazy_fpu(tsk, task_pt_regs(tsk));
+		memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu));
+	}
+#endif
+
+	return fpvalid;
+}
+