From c06402cccc4c6278d762900e6a205394638d9c22 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Jul 2009 15:10:56 -0400 Subject: syscall(): create a common version based on INLINE_SYSCALL_NCS() Signed-off-by: Mike Frysinger --- libc/sysdeps/linux/bfin/Makefile.arch | 2 +- libc/sysdeps/linux/bfin/syscall.c | 49 ----------------------------------- libc/sysdeps/linux/common/syscall.c | 12 +++++++++ libc/sysdeps/linux/sh/Makefile.arch | 2 +- libc/sysdeps/linux/sh/syscall.c | 27 ------------------- 5 files changed, 14 insertions(+), 78 deletions(-) delete mode 100644 libc/sysdeps/linux/bfin/syscall.c create mode 100644 libc/sysdeps/linux/common/syscall.c delete mode 100644 libc/sysdeps/linux/sh/syscall.c (limited to 'libc') diff --git a/libc/sysdeps/linux/bfin/Makefile.arch b/libc/sysdeps/linux/bfin/Makefile.arch index 81fca3295..4b44ed02c 100644 --- a/libc/sysdeps/linux/bfin/Makefile.arch +++ b/libc/sysdeps/linux/bfin/Makefile.arch @@ -5,7 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -CSRC := bsdsetjmp.c clone.c syscall.c \ +CSRC := bsdsetjmp.c clone.c \ sram-alloc.c sram-free.c dma-memcpy.c SSRC := __longjmp.S setjmp.S bsd-_setjmp.S vfork.S diff --git a/libc/sysdeps/linux/bfin/syscall.c b/libc/sysdeps/linux/bfin/syscall.c deleted file mode 100644 index d68eb6e2f..000000000 --- a/libc/sysdeps/linux/bfin/syscall.c +++ /dev/null @@ -1,49 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* syscall for blackfin/uClibc - * - * Copyright (C) 2004-2006 by Analog Devices Inc. - * Copyright (C) 2002 by Erik Andersen - * - * 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 a, long b, long c, long d, long e, long f) -{ - int _r0 = 0; - - __asm__ __volatile__ ( - "excpt 0;" - : "=q0" (_r0) - : "qA" (sysnum), - "q0" (a), - "q1" (b), - "q2" (c), - "q3" (d), - "q4" (e), - "q5" (f) - : "memory", "CC"); - - if (_r0 >= (unsigned long) -4095) { - (*__errno_location()) = (-_r0); - _r0 = (unsigned long) -1; - } - - return (long)_r0; -} diff --git a/libc/sysdeps/linux/common/syscall.c b/libc/sysdeps/linux/common/syscall.c new file mode 100644 index 000000000..61f798e2c --- /dev/null +++ b/libc/sysdeps/linux/common/syscall.c @@ -0,0 +1,12 @@ +/* + * syscall() library function + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include + +long syscall(long sysnum, long arg1, long arg2, long arg3, long arg4, long arg5, long arg6) +{ + return INLINE_SYSCALL_NCS(sysnum, 6, arg1, arg2, arg3, arg4, arg5, arg6); +} diff --git a/libc/sysdeps/linux/sh/Makefile.arch b/libc/sysdeps/linux/sh/Makefile.arch index 2c69f59b8..6df516286 100644 --- a/libc/sysdeps/linux/sh/Makefile.arch +++ b/libc/sysdeps/linux/sh/Makefile.arch @@ -7,7 +7,7 @@ # CSRC := \ - mmap.c pipe.c __init_brk.c brk.c sbrk.c syscall.c pread_write.c cacheflush.c + mmap.c pipe.c __init_brk.c brk.c sbrk.c pread_write.c cacheflush.c SSRC := setjmp.S __longjmp.S vfork.S clone.S ___fpscr_values.S diff --git a/libc/sysdeps/linux/sh/syscall.c b/libc/sysdeps/linux/sh/syscall.c deleted file mode 100644 index ba187c9b7..000000000 --- a/libc/sysdeps/linux/sh/syscall.c +++ /dev/null @@ -1,27 +0,0 @@ - - -#include -#include -#include -#include - -long syscall(long sysnum, - long arg1, long arg2, long arg3, - long arg4, long arg5, long arg6) -{ -register long __sc3 __asm__ ("r3") = sysnum; -register long __sc4 __asm__ ("r4") = (long) arg1; -register long __sc5 __asm__ ("r5") = (long) arg2; -register long __sc6 __asm__ ("r6") = (long) arg3; -register long __sc7 __asm__ ("r7") = (long) arg4; -register long __sc0 __asm__ ("r0") = (long) arg5; -register long __sc1 __asm__ ("r1") = (long) arg6; -__asm__ __volatile__ ( - "trapa %1" - : "=z" (__sc0) \ - : "i" (__SH_SYSCALL_TRAP_BASE + 6), - "0" (__sc0), "r" (__sc4), "r" (__sc5), "r" (__sc6), "r" (__sc7), \ - "r" (__sc3), "r" (__sc1) \ - : "memory" ); -__syscall_return(long,__sc0); -} -- cgit v1.2.3