Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge

1 files changed, 59 insertions, 0 deletions

diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips64/syscall.S b/ports/sysdeps/unix/sysv/linux/mips/mips64/syscall.S
new file mode 100644
index 0000000000..d6f0be2e1b
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips64/syscall.S
@@ -0,0 +1,59 @@
+/* Copyright (C) 2001, 2002, 2003, 2005 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/>.  */
+
+#include <sysdep.h>
+
+#include <sys/asm.h>
+
+/* Usage:
+   long syscall (syscall_number, arg1, arg2, arg3, arg4, arg5, arg6, arg7)
+
+   We need to do some arg shifting, syscall_number will be in v0.  */
+
+
+	.text
+NESTED (syscall, SZREG, ra)
+	.mask 0x00010000, -SZREG
+	.fmask 0x00000000, 0
+	PTR_ADDIU sp, -SZREG
+	REG_S s0, (sp)
+
+	move s0, a0
+	move a0, a1		/* shift arg1 - arg7.  */
+	move a1, a2
+	move a2, a3
+	move a3, a4
+	move a4, a5
+	move a5, a6
+	move a6, a7
+
+	move v0, s0		/* Syscall number -> v0 */
+	syscall			/* Do the system call.  */
+
+	REG_L s0, (sp)
+	PTR_ADDIU sp, SZREG
+	bne a3, zero, L(error)
+
+	ret
+
+L(error):
+	SETUP_GP64 (a0, syscall)
+	PTR_LA t9, __syscall_error
+	RESTORE_GP64
+	jr t9
+
+END (syscall)