Blame sysdeps/sh/_mcount.S

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/* Machine-specific calling sequence for `mcount' profiling function.  SuperH
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   Copyright (C) 2001-2018 Free Software Foundation, Inc.
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   Contributed by NIIBE Yutaka <gniibe@m17n.org>
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <sysdep.h>
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	.globl C_SYMBOL_NAME(_mcount)
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	.type C_SYMBOL_NAME(_mcount),@function
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	cfi_startproc
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	.align	5
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C_LABEL(_mcount)
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	/* Save registers.  */
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	mov.l	r4,@-r15
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	cfi_adjust_cfa_offset (4)
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	cfi_rel_offset (r4, 0)
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	mov.l	r5,@-r15
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	cfi_adjust_cfa_offset (4)
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	cfi_rel_offset (r5, 0)
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	mov.l	r6,@-r15
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	cfi_adjust_cfa_offset (4)
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	cfi_rel_offset (r6, 0)
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	mov.l	r7,@-r15
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	cfi_adjust_cfa_offset (4)
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	cfi_rel_offset (r7, 0)
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	sts.l	pr,@-r15
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	cfi_adjust_cfa_offset (4)
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	cfi_rel_offset (pr, 0)
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	mov.l	@(20,r15),r4
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	sts	pr,r5
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#ifdef SHARED
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	mov.l	0f,r1
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	mova	0f,r0
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	add	r1,r0
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	mov.l	1f,r1
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	mov.l	@(r0,r1),r1
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#else
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	mov.l	1f,r1
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#endif
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	jsr	@r1
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	 nop
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	/* Pop the saved registers.  */
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	lds.l	@r15+,pr
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	cfi_adjust_cfa_offset (-4)
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	cfi_restore (pr)
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	mov.l	@r15+,r7
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	cfi_adjust_cfa_offset (-4)
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	cfi_restore (r7)
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	mov.l	@r15+,r6
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	cfi_adjust_cfa_offset (-4)
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	cfi_restore (r6)
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	mov.l	@r15+,r5
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	cfi_adjust_cfa_offset (-4)
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	cfi_restore (r5)
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	rts
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	 mov.l	@r15+,r4
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	/* Omit CFI for restore in delay slot.  */
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	.align 2
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#ifdef SHARED
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0:	.long	_GLOBAL_OFFSET_TABLE_
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1:	.long	C_SYMBOL_NAME(__mcount_internal)@GOT
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#else
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1:	.long	C_SYMBOL_NAME(__mcount_internal)
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#endif
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	cfi_endproc
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ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount))
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#undef mcount
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weak_alias (_mcount, mcount)