Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-05-25 01:39:44 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Misc fixes to repair some of the breakage to the SAMA5D4-EK elf configuration caused by changes for the knsh configuration

Browse Source
This commit is contained in:
Gregory Nutt
2014-09-11 10:31:12 -06:00
parent a20e584dab
commit 0fc55d042f
6 changed files with 67 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/errno.h
+37 -13
View File
@@ -47,26 +47,50 @@
************************************************************************/
/* How can we access the errno variable? */
#undef __DIRECT_ERRNO_ACCESS
#if !defined(CONFIG_LIB_SYSCALL)
/* No system calls? Then there can only be direct access */
#if !defined(CONFIG_BUILD_PROTECTED) && !defined(CONFIG_BUILD_KERNEL)
/* Flat build */
# define __DIRECT_ERRNO_ACCESS 1
# if defined(CONFIG_LIB_SYSCALL) && !defined(__KERNEL__)
/* We still might be using system calls in user code. If so, then
* user code will have no direct access to the errno variable.
*/
#elif !defined(CONFIG_BUILD_PROTECTED) && !defined(CONFIG_BUILD_KERNEL)
/* Flat build... complete access */
# undef __DIRECT_ERRNO_ACCESS
# define __DIRECT_ERRNO_ACCESS 1
# else
/* Flat build with no system calls OR internal kernel logic... There
* is direct access.
*/
#elif defined(CONFIG_BUILD_PROTECTED) && defined(__KERNEL__)
/* Kernel portion of protected build. The Kernel has access */
# define __DIRECT_ERRNO_ACCESS 1
# endif
# define __DIRECT_ERRNO_ACCESS 1
#elif defined(CONFIG_BUILD_PROTECTED)
# if defined(__KERNEL__)
/* Kernel portion of protected build. Kernel code has direct access */
#elif defined(CONFIG_BUILD_KERNEL) && defined(__KERNEL__)
/* Kernel only build. The kernel has access */
# define __DIRECT_ERRNO_ACCESS 1
# define __DIRECT_ERRNO_ACCESS 1
# else
/* User portion of protected build. Application code has only indirect
* access
*/
# undef __DIRECT_ERRNO_ACCESS
# endif
#elif defined(CONFIG_BUILD_KERNEL) && !defined(__KERNEL__)
# if defined(__KERNEL__)
/* Kernel build. Kernel code has direct access */
# define __DIRECT_ERRNO_ACCESS 1
# else
/* User libraries for the kernel. Only indirect access from user
* libraries */
# undef __DIRECT_ERRNO_ACCESS
# endif
#endif
/* Convenience/compatibility definition.