Blame sysdeps/sh/sysdep.h

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/* Assembler macros for SH.
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   Copyright (C) 1999-2018 Free Software Foundation, Inc.
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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 <sysdeps/generic/sysdep.h>
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#ifdef	__ASSEMBLER__
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/* Syntactic details of assembler.  */
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#define ALIGNARG(log2) log2
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#define ASM_SIZE_DIRECTIVE(name) .size name,.-name
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#ifdef SHARED
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#define PLTJMP(_x)	_x##@PLT
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#else
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#define PLTJMP(_x)	_x
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#endif
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/* Define an entry point visible from C.  */
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#define	ENTRY(name)							      \
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  .globl C_SYMBOL_NAME(name);						      \
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  .type C_SYMBOL_NAME(name),@function;					      \
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  .align ALIGNARG(5);							      \
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  C_LABEL(name)								      \
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  cfi_startproc;							      \
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  CALL_MCOUNT
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#undef	END
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#define END(name)							      \
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  cfi_endproc;								      \
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  ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(name))
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/* If compiled for profiling, call `mcount' at the start of each function.  */
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#ifdef	PROF
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#define CALL_MCOUNT					\
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	mov.l	1f,r1;					\
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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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	mova	2f,r0;					\
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	jmp	@r1;					\
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	 lds	r0,pr;					\
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	.align	2;					\
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1:	.long	mcount;					\
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2:	lds.l	@r15+,pr;				\
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	cfi_adjust_cfa_offset (-4);			\
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	cfi_restore (pr)
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#else
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#define CALL_MCOUNT		/* Do nothing.  */
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#endif
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/* Since C identifiers are not normally prefixed with an underscore
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   on this system, the asm identifier `syscall_error' intrudes on the
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   C name space.  Make sure we use an innocuous name.  */
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#define	syscall_error	__syscall_error
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#define mcount		_mcount
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#endif	/* __ASSEMBLER__ */