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Mark __dso_handle as hidden [BZ #18822]

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Since __dso_handle is always defined by either crtbegin.o from GCC or
dso_handle.c, it should be marked as hidden and be passed directly.

	[BZ #18822]
	* dlfcn/modatexit.c (foo): Remove __dso_handle check.
	* dlfcn/modcxaatexit.c: Include <dso_handle.h>.
	(__dso_handle): Remove declaration.
	* dlfcn/tstatexit.c (__dso_handle): Removed.
	(main): Don't check __dso_handle.
	* dlfcn/tstcxaatexit.c (__dso_handle): Removed.
	(main): Don't check __dso_handle.
	* include/dso_handle.h: New file.
	* malloc/mtrace.c: Include <dso_handle.h>.
	(mtrace): Pass __dso_handle directly.
	* nptl/pthread_atfork.c: Include <dso_handle.h>.
	(__dso_handle): Remove declaration.
	(__pthread_atfork): Pass __dso_handle directly.
	* nptl/tst-atfork2mod.c: Include <dso_handle.h>.
	(__dso_handle): Removed.
	* posix/wordexp-test.c: Include <dso_handle.h>.
	(__dso_handle): Remove declaration.
	(__app_register_atfork): Pass __dso_handle directly.
	* stdlib/at_quick_exit.c: Include <dso_handle.h>.
	(__dso_handle): Remove declaration.
	(at_quick_exit): Pass __dso_handle directly.
	* stdlib/atexit.c: Include <dso_handle.h>.
	(__dso_handle): Remove declaration.
	(atexit): Pass __dso_handle directly.
	* stdlib/tst-tls-atexit-lib.c: Include <dso_handle.h>.
	(__dso_handle): Removed.
This commit is contained in:
H.J. Lu
2017-09-26 16:53:25 -07:00
parent bfb0deb355
commit 825adeeed1
13 changed files with 46 additions and 46 deletions
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5
posix/wordexp-test.c
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@ -27,16 +27,15 @@
#include <string.h>
#include <wordexp.h>
#include <libc-pointer-arith.h>
#include <dso_handle.h>
#define IFS " \n\t"
extern void *__dso_handle __attribute__ ((__weak__, __visibility__ ("hidden")));
extern int __register_atfork (void (*) (void), void (*) (void), void (*) (void), void *);
static int __app_register_atfork (void (*prepare) (void), void (*parent) (void), void (*child) (void))
{
return __register_atfork (prepare, parent, child,
&__dso_handle == NULL ? NULL : __dso_handle);
return __register_atfork (prepare, parent, child, __dso_handle);
}
/* Number of forks seen. */