/* PowerPC64-specific implementation of profiling support.

   Copyright (C) 1997-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <sysdep.h>

/* We don't need to save the parameter-passing registers as gcc takes

   care of that for us.  Thus this function looks fairly normal.

   In fact, the generic code would work for us.  */

ENTRY(_mcount)

	mflr		 r4

	ld		 r11, 0(r1)

	std		 r4, FRAME_LR_SAVE(r1)

	stdu		 r1,-FRAME_MIN_SIZE(r1)

	cfi_adjust_cfa_offset (FRAME_MIN_SIZE)

	cfi_offset (lr, FRAME_LR_SAVE)

	ld		 r3, FRAME_LR_SAVE(r11)

	bl		 JUMPTARGET(__mcount_internal)

#ifndef SHARED

	nop

#endif

	ld		 r0, FRAME_MIN_SIZE+FRAME_LR_SAVE(r1)

	mtlr		 r0

	addi		 r1,r1,FRAME_MIN_SIZE

	blr

END(_mcount)