From e2ac49d3d7c6445c07467e2a4d271d5664f83830 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Tue, 2 Jul 2013 21:30:57 +0000 Subject: 2013-07-02 Joey Ye Lite exit support. * README: Add information about lite-exit. * acconfig.h (_LITE_EXIT): New macro. * configure.in (enable-lite-exit): New option. (_LITE_EXIT): Define new macro. * configure: Regenerated. * newlib.hin (_LITE_EXIT): New macro. * libc/stdlib/__atexit.c [_LITE_EXIT]: Add dummy explicit reference to __call_exitprocs. * libc/stdlib/cxa_atexit.c [_LITE_EXIT]: Make __register_exitproc a weak reference. * libc/stdlib/exit.c (exit)[_LITE_EXIT]: Remove TWS and weakly reference __call_exitprocs. --- newlib/libc/stdlib/cxa_atexit.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'newlib/libc/stdlib/cxa_atexit.c') diff --git a/newlib/libc/stdlib/cxa_atexit.c b/newlib/libc/stdlib/cxa_atexit.c index 8c39236de..c3c0d2a17 100644 --- a/newlib/libc/stdlib/cxa_atexit.c +++ b/newlib/libc/stdlib/cxa_atexit.c @@ -19,5 +19,14 @@ _DEFUN (__cxa_atexit, void *arg _AND void *d) { - return __register_exitproc (__et_cxa, (void (*)(void)) fn, arg, d); +#ifdef _LITE_EXIT + /* Refer to comments in __atexit.c for more details of lite exit. */ + int __register_exitproc _PARAMS ((int, void (*fn) (void), _PTR, _PTR)) + __attribute__ ((weak)); + + if (!__register_exitproc) + return 0; + else +#endif + return __register_exitproc (__et_cxa, (void (*)(void)) fn, arg, d); } -- cgit v1.2.3