diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2017-11-28 17:19:48 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2017-11-28 17:19:48 +0000 |
| commit | 27ef063800016bb5720e343cd11a5ba52677d51b (patch) | |
| tree | fe40b3208eae82d56f6e50b08fb434aa85d5d8c9 /libexec/ld.so | |
| parent | 1ef82f6017b2d0f6cd10d24442a2bafce7fb6e0e (diff) | |
Implement a DL_REFERENCE dlctl. To be used by the upcoming
__cxa_thread_atexit() implementation.
ok guenther@
Diffstat (limited to 'libexec/ld.so')
| -rw-r--r-- | libexec/ld.so/dlfcn.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/libexec/ld.so/dlfcn.c b/libexec/ld.so/dlfcn.c index b51c50aa738..79956925cf2 100644 --- a/libexec/ld.so/dlfcn.c +++ b/libexec/ld.so/dlfcn.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dlfcn.c,v 1.98 2017/08/29 15:25:51 deraadt Exp $ */ +/* $OpenBSD: dlfcn.c,v 1.99 2017/11/28 17:19:47 kettenis Exp $ */ /* * Copyright (c) 1998 Per Fogelstrom, Opsycon AB @@ -219,6 +219,23 @@ dlctl(void *handle, int command, void *data) /* made superfluous by kbind */ retval = 0; break; + case DL_REFERENCE: + { + elf_object_t *obj; + + obj = obj_from_addr(data); + if (obj == NULL) { + _dl_errno = DL_CANT_FIND_OBJ; + retval = -1; + break; + } + if ((obj->status & STAT_NODELETE) == 0) { + obj->opencount++; + obj->status |= STAT_NODELETE; + } + retval = 0; + break; + } case 0x20: _dl_show_objects(); retval = 0; |