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Newlib: implement locks

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* Dynamically allocate arc4random data. Saves about 1k off the bss.
This commit is contained in:
Our Air Quality 2017-12-09 00:45:57 +11:00
parent 89c6c410ff
commit e9d9201527
24 changed files with 3442 additions and 44 deletions
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20
libc/xtensa-lx106-elf/include/sys/features.h
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@ -100,6 +100,9 @@ extern "C" {
* _SVID_SOURCE (deprecated by _DEFAULT_SOURCE)
* _DEFAULT_SOURCE (or none of the above)
* POSIX-1.2008 with BSD and SVr4 extensions
*
* _FORTIFY_SOURCE = 1 or 2
* Object Size Checking function wrappers
*/
#ifdef _GNU_SOURCE
@ -233,9 +236,11 @@ extern "C" {
* __GNU_VISIBLE
* GNU extensions; enabled with _GNU_SOURCE.
*
* __SSP_FORTIFY_LEVEL
* Object Size Checking; defined to 0 (off), 1, or 2.
*
* In all cases above, "enabled by default" means either by defining
* _DEFAULT_SOURCE, or by not defining any of the public feature test macros.
* Defining _GNU_SOURCE makes all of the above avaliable.
*/
#ifdef _ATFILE_SOURCE
@ -314,6 +319,17 @@ extern "C" {
#define __XSI_VISIBLE 0
#endif
#if _FORTIFY_SOURCE > 0 && !defined(__cplusplus) && !defined(__lint__) && \
(__OPTIMIZE__ > 0 || defined(__clang__)) && __GNUC_PREREQ__(4, 1)
# if _FORTIFY_SOURCE > 1
# define __SSP_FORTIFY_LEVEL 2
# else
# define __SSP_FORTIFY_LEVEL 1
# endif
#else
# define __SSP_FORTIFY_LEVEL 0
#endif
/* RTEMS adheres to POSIX -- 1003.1b with some features from annexes. */
#ifdef __rtems__
@ -448,7 +464,7 @@ extern "C" {
#define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
/* #define _POSIX_THREAD_SPORADIC_SERVER -1 */
#define _POSIX_THREADS 200809L
/* #define _POSIX_TIMEOUTS -1 */
#define _POSIX_TIMEOUTS 200809L
#define _POSIX_TIMERS 200809L
/* #define _POSIX_TRACE -1 */
/* #define _POSIX_TRACE_EVENT_FILTER -1 */