diff options
Diffstat (limited to 'lib/libsys/arm/SYS.h')
| -rw-r--r-- | lib/libsys/arm/SYS.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/libsys/arm/SYS.h b/lib/libsys/arm/SYS.h new file mode 100644 index 000000000000..187851c67543 --- /dev/null +++ b/lib/libsys/arm/SYS.h @@ -0,0 +1,70 @@ +/* $NetBSD: SYS.h,v 1.8 2003/08/07 16:42:02 agc Exp $ */ + +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +#include <sys/syscall.h> + +#define _SYSCALL(x) \ + mov ip, r7; \ + ldr r7, =SYS_ ## x; \ + swi 0; \ + mov r7, ip + +#define CERROR _C_LABEL(cerror) + +#ifndef _SYSCALL_BODY +#define _SYSCALL_BODY(x) \ + _SYSCALL(x); \ + it cs; \ + bcs PIC_SYM(CERROR, PLT); \ + RET +#endif + +#define PSEUDO(x) \ + ENTRY(__CONCAT(__sys_, x)); \ + .weak _C_LABEL(__CONCAT(_,x)); \ + .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x)); \ + _SYSCALL_BODY(x) + +#define RSYSCALL(x) \ + ENTRY(__CONCAT(__sys_, x)); \ + .weak _C_LABEL(x); \ + .set _C_LABEL(x), _C_LABEL(__CONCAT(__sys_,x)); \ + .weak _C_LABEL(__CONCAT(_,x)); \ + .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x)); \ + _SYSCALL_BODY(x); \ + + .globl CERROR |