libs/rt-thread
libs/rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

use builtin va_arg in GCC 4.x

Browse Source 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1400 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2011-05-09 02:50:01 +00:00
parent 8e5f428777
commit 43a6a907da
1 changed files with 20 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
include/rtdef.h
View File

@ -13,6 +13,7 @@
* 2008-07-12 Bernard remove all rt_int8, rt_uint32_t etc typedef * 2008-07-12 Bernard remove all rt_int8, rt_uint32_t etc typedef
* 2010-10-26 yi.qiu add module support * 2010-10-26 yi.qiu add module support
* 2010-11-10 Bernard add cleanup callback function in thread exit. * 2010-11-10 Bernard add cleanup callback function in thread exit.
* 2011-05-09 Bernard use builtin va_arg in GCC 4.x
*/ */
#ifndef __RT_DEF_H__ #ifndef __RT_DEF_H__
#define __RT_DEF_H__ #define __RT_DEF_H__
@ -97,6 +98,7 @@ typedef rt_uint32_t rt_off_t; /**< Type for offset */
#ifdef RT_USING_NEWLIB #ifdef RT_USING_NEWLIB
#include <stdarg.h> #include <stdarg.h>
#else #else
#if __GNUC__ < 4
typedef void *__sys_va_list; typedef void *__sys_va_list;
typedef __sys_va_list va_list; typedef __sys_va_list va_list;
#define __va_rounded_size(type) \ #define __va_rounded_size(type) \
@ -108,6 +110,13 @@ typedef rt_uint32_t rt_off_t; /**< Type for offset */
#define va_arg(ap, type) \ #define va_arg(ap, type) \
(ap = (__sys_va_list) ((char *) (ap) + __va_rounded_size (type)), \ (ap = (__sys_va_list) ((char *) (ap) + __va_rounded_size (type)), \
*((type *) (void *) ((char *) (ap) - __va_rounded_size (type)))) *((type *) (void *) ((char *) (ap) - __va_rounded_size (type))))
#else
typedef __builtin_va_list __gnuc_va_list;
typedef __gnuc_va_list va_list;
#define va_start(v,l) __builtin_va_start(v,l)
#define va_end(v) __builtin_va_end(v)
#define va_arg(v,l) __builtin_va_arg(v,l)
#endif
#endif #endif
#define SECTION(x) __attribute__((section(x))) #define SECTION(x) __attribute__((section(x)))