diff options
Diffstat (limited to 'libc/misc')
| -rw-r--r-- | libc/misc/internals/__uClibc_main.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c index ad17d7940..b6addb9c8 100644 --- a/libc/misc/internals/__uClibc_main.c +++ b/libc/misc/internals/__uClibc_main.c @@ -19,19 +19,22 @@ */ extern int main(int argc, char **argv, char **envp); -extern void __uClibc_empty_func(void); void __uClibc_main(int argc, char **argv, char **envp) __attribute__ ((__noreturn__)); + + #ifdef HAVE_ELF weak_alias(__environ, environ); -weak_symbol(__init_stdio); -weak_symbol(__stdio_close_all); -#endif - +extern void weak_function __init_stdio(void); +extern void weak_function __stdio_close_all(void); +extern void weak_function __pthread_initialize_minimal (void); +#else extern void __init_stdio(void); extern void __stdio_close_all(void); +extern void __pthread_initialize_minimal (void); +#endif typedef void (*vfuncp) (void); vfuncp __uClibc_cleanup = __stdio_close_all; @@ -47,6 +50,19 @@ void __uClibc_main(int argc, char **argv, char **envp) */ __environ = envp; + /* Initialize the thread library at least a bit so at least + * errno will be properly setup */ + if (__pthread_initialize_minimal) + __pthread_initialize_minimal (); + +#if 0 + /* Some security at this point. Prevent starting a SUID binary + * where the standard file descriptors are not opened. We have + * to do this only for statically linked applications since + * otherwise the dynamic loader did the work already. */ + if (__builtin_expect (__libc_enable_secure, 0)) + __libc_check_standard_fds (); +#endif /* * Initialize stdio here. In the static library case, this will * be bypassed if not needed because of the weak alias above. @@ -85,11 +101,12 @@ char **__environ = 0; * NOTE!!! This is only true for the _static_ case!!! */ +weak_alias(__environ, environ); +#if 0 void __uClibc_empty_func(void) { } - -weak_alias(__environ, environ); -/*weak_alias(__uClibc_empty_func, __init_stdio);*/ -/*weak_alias(__uClibc_empty_func, __stdio_close_all);*/ +weak_alias(__uClibc_empty_func, __init_stdio); +weak_alias(__uClibc_empty_func, __stdio_close_all); +#endif #endif |