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Allow autoconf link-time tests to detect arc4random for RTEMS.

This commit is contained in:
Jeff Johnston 2016-05-09 12:36:29 -04:00
parent ba72ae0f93
commit 36e32df9f8
1 changed files with 5 additions and 0 deletions
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5
newlib/libc/sys/rtems/crt0.c
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@ -16,6 +16,7 @@
#include <time.h> /* struct timespec */ #include <time.h> /* struct timespec */
#include <unistd.h> /* isatty */ #include <unistd.h> /* isatty */
#include <sys/lock.h> /* _Mutex_recursive_Control */ #include <sys/lock.h> /* _Mutex_recursive_Control */
#include <machine/_arc4random.h>
#include <machine/_libatomic.h> #include <machine/_libatomic.h>
void rtems_provides_crt0( void ) {} /* dummy symbol so file always has one */ void rtems_provides_crt0( void ) {} /* dummy symbol so file always has one */
@ -66,6 +67,10 @@ RTEMS_STUB(void, _Libatomic_Protect_end(void *ptr, __uint32_t isr_level), { });
RTEMS_STUB(void, _Libatomic_Lock_n(void *ptr, __size_t n), { }); RTEMS_STUB(void, _Libatomic_Lock_n(void *ptr, __size_t n), { });
RTEMS_STUB(void, _Libatomic_Unlock_n(void *ptr, __size_t n), { }); RTEMS_STUB(void, _Libatomic_Unlock_n(void *ptr, __size_t n), { });
/* Stubs for routines for arc4random (from <unistd.h> and <machine/_arc4random.h> */
RTEMS_STUB(int, getentropy(void *ptr, __size_t n), { });
RTEMS_STUB(void, _arc4random_getentropy_fail(void), { });
#if defined(__GNUC__) #if defined(__GNUC__)
/* /*
* stubs for libstdc++ rtems-threads support functions from gcc/gthr-rtems.h * stubs for libstdc++ rtems-threads support functions from gcc/gthr-rtems.h