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/* PowerPC64-specific implementation of profiling support.
Copyright (C) 1997-2017 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)
stdu r1,-FRAME_MIN_SIZE(r1)
cfi_adjust_cfa_offset (FRAME_MIN_SIZE)
std r4, FRAME_MIN_SIZE+FRAME_LR_SAVE(r1)
cfi_offset (lr, FRAME_LR_SAVE)
ld r3, FRAME_LR_SAVE(r11)
bl JUMPTARGET(__mcount_internal)
nop
ld r0, FRAME_MIN_SIZE+FRAME_LR_SAVE(r1)
mtlr r0
addi r1,r1,FRAME_MIN_SIZE
blr
END(_mcount)
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