aboutsummaryrefslogtreecommitdiff
path: root/include/dso_handle.h
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2017-09-26 16:53:25 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-09-26 16:53:44 -0700
commit825adeeed1e95990fd1efb70d9ac3eb7f1ea802a (patch)
tree4002af56c7bd48974db937cdc3fbe7c2d7ecc290 /include/dso_handle.h
parentbfb0deb3554204cbba10d61d96cad355e4ca5623 (diff)
downloadglibc-825adeeed1e95990fd1efb70d9ac3eb7f1ea802a.zip
glibc-825adeeed1e95990fd1efb70d9ac3eb7f1ea802a.tar.gz
glibc-825adeeed1e95990fd1efb70d9ac3eb7f1ea802a.tar.bz2
Mark __dso_handle as hidden [BZ #18822]
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.
Diffstat (limited to 'include/dso_handle.h')
-rw-r--r--include/dso_handle.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/dso_handle.h b/include/dso_handle.h
new file mode 100644
index 0000000..d9c1ebb
--- /dev/null
+++ b/include/dso_handle.h
@@ -0,0 +1,3 @@
+/* __dso_handle is always defined by either crtbegin.o from GCC or our
+ dso_handle.c. */
+extern void *__dso_handle __attribute__ ((__visibility__ ("hidden")));