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authorEric Andersen <andersen@codepoet.org>2004-03-18 11:41:12 +0000
committerEric Andersen <andersen@codepoet.org>2004-03-18 11:41:12 +0000
commite450548c0e9c6793ecdaf9cba7488c3c8f278293 (patch)
tree1d92610950dc9a54150c4b7a2e2b7efb27ff9f5e /libc
parent42a08c74b9d199c0fa555947b64571e243b34cc5 (diff)
Alexandre Oliva writes:
I added this function after I posted the last version of the FR-V patch. Add syscall.c.
Diffstat (limited to 'libc')
-rw-r--r--libc/sysdeps/linux/frv/Makefile2
-rw-r--r--libc/sysdeps/linux/frv/syscall.c41
2 files changed, 42 insertions, 1 deletions
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 <aoliva@redhat.com>
+ *
+ * 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 <features.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+
+
+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);
+}