crosstool-ng: patches/uClibc/0.9.30.2/190-avr32-add-varargs-handling-of-prctl-syscall.patch@4908eb2b6f17

     1 From 85bc04d5436ca6c8a30a1ad28862260a04b8b3d5 Mon Sep 17 00:00:00 2001

     2 From: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>

     3 Date: Wed, 16 Dec 2009 13:16:08 +0100

     4 Subject: [PATCH 02/15] avr32: add varargs handling of prctl syscall

     6 prctl is defined to use varargs in the header file, hence it needs varargs

     7 specific handling in the source. This patch properly handles the variodic

     8 argument before the syscall is passed to the kernel for the AVR32 architecture.

    10 Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>

    11 ---

    12  libc/sysdeps/linux/avr32/Makefile.arch |    2 +-

    13  libc/sysdeps/linux/avr32/prctl.c       |   36 ++++++++++++++++++++++++++++++++

    14  2 files changed, 37 insertions(+), 1 deletions(-)

    15  create mode 100644 libc/sysdeps/linux/avr32/prctl.c

    17 diff --git a/libc/sysdeps/linux/avr32/Makefile.arch b/libc/sysdeps/linux/avr32/Makefile.arch

    18 index bc5f625..98b85a7 100644

    19 --- a/libc/sysdeps/linux/avr32/Makefile.arch

    20 +++ b/libc/sysdeps/linux/avr32/Makefile.arch

    21 @@ -5,7 +5,7 @@

    22  # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.

    23  #

    25 -CSRC	:= brk.c clone.c mmap.c sigaction.c

    26 +CSRC	:= brk.c clone.c mmap.c prctl.c sigaction.c

    28  SSRC	:= __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S	\

    29  		sigrestorer.S syscall.S vfork.S

    30 diff --git a/libc/sysdeps/linux/avr32/prctl.c b/libc/sysdeps/linux/avr32/prctl.c

    31 new file mode 100644

    32 index 0000000..4e146e3

    33 --- /dev/null

    34 +++ b/libc/sysdeps/linux/avr32/prctl.c

    35 @@ -0,0 +1,36 @@

    36 +/*

    37 + * prctl syscall for AVR32 Linux.

    38 + *

    39 + * Copyright (C) 2010 Atmel Corporation

    40 + *

    41 + * This file is subject to the terms and conditions of the GNU Lesser General

    42 + * Public License. See the file "COPYING.LIB" in the main directory of this

    43 + * archive for more details.

    44 + */

    45 +#include <sys/syscall.h>

    46 +#include <sys/prctl.h>

    47 +#include <stdarg.h>

    48 +

    49 +#ifdef __NR_prctl

    50 +#define __NR___syscall_prctl	__NR_prctl

    51 +static inline _syscall5(int, __syscall_prctl, int, option, long, arg2,

    52 +		long, arg3, long, arg4, long, arg5);

    53 +

    54 +int prctl(int __option, ...)

    55 +{

    56 +	long arg2;

    57 +	long arg3;

    58 +	long arg4;

    59 +	long arg5;

    60 +	va_list ap;

    61 +

    62 +	va_start(ap, __option);

    63 +	arg2 = va_arg(ap, long);

    64 +	arg3 = va_arg(ap, long);

    65 +	arg4 = va_arg(ap, long);

    66 +	arg5 = va_arg(ap, long);

    67 +	va_end(ap);

    68 +

    69 +	return INLINE_SYSCALL(prctl, 5, __option, arg2, arg3, arg4, arg5);

    70 +}

    71 +#endif

    72 --

    73 1.6.6.1

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Tue Aug 02 18:26:53 2011 +0200 (2011-08-02)
changeset 2592	4908eb2b6f17
permissions	-rw-r--r--