From e450548c0e9c6793ecdaf9cba7488c3c8f278293 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 18 Mar 2004 11:41:12 +0000 Subject: Alexandre Oliva writes: I added this function after I posted the last version of the FR-V patch. Add syscall.c. --- libc/sysdeps/linux/frv/Makefile | 2 +- libc/sysdeps/linux/frv/syscall.c | 41 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+), 1 deletion(-) create mode 100644 libc/sysdeps/linux/frv/syscall.c (limited to 'libc') diff --git a/libc/sysdeps/linux/frv/Makefile b/libc/sysdeps/linux/frv/Makefile index 6a9b8e777..28487f770 100644 --- a/libc/sysdeps/linux/frv/Makefile +++ b/libc/sysdeps/linux/frv/Makefile @@ -33,7 +33,7 @@ SSRC+=mcount.S endif SOBJS=$(patsubst %.S,%.o, $(SSRC)) -CSRC=mmap.c sysdep.c brk.c sbrk.c __init_brk.c dl-iterate-phdr.c +CSRC=mmap.c sysdep.c syscall.c brk.c sbrk.c __init_brk.c dl-iterate-phdr.c COBJS=$(patsubst %.c,%.o, $(CSRC)) OBJS=$(SOBJS) $(COBJS) diff --git a/libc/sysdeps/linux/frv/syscall.c b/libc/sysdeps/linux/frv/syscall.c new file mode 100644 index 000000000..7b416e87d --- /dev/null +++ b/libc/sysdeps/linux/frv/syscall.c @@ -0,0 +1,41 @@ +/* syscall for frv/uClibc + * + * Copyright (C) 2004 by Alexandre Oliva + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program 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 Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include + + +long syscall(long sysnum, long arg1, long arg2, long arg3, + long arg4, long arg5, long arg6) +{ + register unsigned long __scnum __asm__ ("gr7") = (sysnum); + register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) (arg1); + register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) (arg2); + register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) (arg3); + register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) (arg4); + register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) (arg5); + register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) (arg6); + __asm__ __volatile__ ("tra gr0,gr0" + : "+r" (__sc0) + : "r" (__scnum), "r" (__sc1), "r" (__sc2), + "r" (__sc3), "r" (__sc4), "r" (__sc5)); + __syscall_return(long,__sc0); +} -- cgit v1.2.3