diff options
Diffstat (limited to 'libc/misc/internals/__uClibc_main.c')
| -rw-r--r-- | libc/misc/internals/__uClibc_main.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c index 36c0c6c63..71fdbd8a7 100644 --- a/libc/misc/internals/__uClibc_main.c +++ b/libc/misc/internals/__uClibc_main.c @@ -45,22 +45,15 @@ void *__libc_stack_end = NULL; # ifdef __UCLIBC_HAS_SSP__ # include <dl-osinfo.h> +static uintptr_t stack_chk_guard; # ifndef THREAD_SET_STACK_GUARD /* Only exported for architectures that don't store the stack guard canary * in thread local area. */ -# include <stdint.h> -uintptr_t stack_chk_guard; /* for gcc-4.1 non-TLS */ uintptr_t __stack_chk_guard attribute_relro; +# endif /* for gcc-3.x + Etoh ssp */ -# ifdef __UCLIBC_HAS_SSP_COMPAT__ -# ifdef __HAVE_SHARED__ -strong_alias(__stack_chk_guard,__guard) -# else -uintptr_t __guard attribute_relro; -# endif -# endif -# elif defined __UCLIBC_HAS_SSP_COMPAT__ +# ifdef __UCLIBC_HAS_SSP_COMPAT__ uintptr_t __guard attribute_relro; # endif # endif @@ -255,18 +248,14 @@ void __uClibc_init(void) #ifndef SHARED # ifdef __UCLIBC_HAS_SSP__ /* Set up the stack checker's canary. */ + stack_chk_guard = _dl_setup_stack_chk_guard(); # ifdef THREAD_SET_STACK_GUARD - uintptr_t stack_chk_guard = _dl_setup_stack_chk_guard(); THREAD_SET_STACK_GUARD (stack_chk_guard); -# ifdef __UCLIBC_HAS_SSP_COMPAT__ - stack_chk_guard = _dl_setup_stack_chk_guard(); - __guard = stack_chk_guard; -# endif # else __stack_chk_guard = stack_chk_guard; -# if !defined __HAVE_SHARED__ && defined __UCLIBC_HAS_SSP_COMPAT__ - __guard = stack_chk_guard; -# endif +# endif +# ifdef __UCLIBC_HAS_SSP_COMPAT__ + __guard = stack_chk_guard; # endif # endif #endif @@ -317,6 +306,11 @@ void __uClibc_fini(void) } libc_hidden_def(__uClibc_fini) +#ifndef SHARED +extern void __nptl_deallocate_tsd (void) __attribute ((weak)); +extern unsigned int __nptl_nthreads __attribute ((weak)); +#endif + /* __uClibc_main is the new main stub for uClibc. This function is * called from crt1 (version 0.9.28 or newer), after ALL shared libraries * are initialized, just before we call the application's main function. @@ -497,7 +491,6 @@ void __uClibc_main(int (*main)(int, char **, char **), int argc, # ifdef SHARED __libc_pthread_functions.ptr__nptl_deallocate_tsd (); # else - extern void __nptl_deallocate_tsd (void) __attribute ((weak)); __nptl_deallocate_tsd (); # endif @@ -507,7 +500,6 @@ void __uClibc_main(int (*main)(int, char **, char **), int argc, # ifdef SHARED unsigned int *const ptr = __libc_pthread_functions.ptr_nthreads; # else - extern unsigned int __nptl_nthreads __attribute ((weak)); unsigned int *const ptr = &__nptl_nthreads; # endif |