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/* Assembler macros for x86-64.
Copyright (C) 2018-2019 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/>. */
#ifndef _ASM_H
#define _ASM_H 1
/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
#define ALIGNARG(log2) 1 << log2
#define ASM_SIZE_DIRECTIVE(name) .size name, .- name;
/* Define an entry point visible from C. */
#define ENTRY(name) \
.globl name; \
.type name, @function; \
.align ALIGNARG(4); \
name## :.cfi_startproc;
#define END(name) \
.cfi_endproc; \
ASM_SIZE_DIRECTIVE(name)
#endif /* _ASM_H */
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