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| author | Florian Weimer <fweimer@redhat.com> | 2018-01-04 18:46:17 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2018-01-04 18:46:24 +0100 |
| commit | 82eef55f8fad3e00c53050de5d6ebea08df488b3 (patch) | |
| tree | e0e1ed86b2296703182789d7f5ea607bf066ffe4 /include | |
| parent | 7abf02f3ee7627d617def77d0d6e7bea2da8d98c (diff) | |
| download | glibc-82eef55f8fad3e00c53050de5d6ebea08df488b3.tar.gz glibc-82eef55f8fad3e00c53050de5d6ebea08df488b3.tar.xz glibc-82eef55f8fad3e00c53050de5d6ebea08df488b3.zip | |
elf: Support dlvsym within libc.so
This commit adds a new _dl_open_hook entry for dlvsym and implements the function using the existing dl_lookup_symbol_x function supplied by the dynamic loader. A new hook variable, _dl_open_hook2, is introduced, which should make this change suitable for backporting: For old statically linked binaries, __libc_dlvsym will always return NULL.
Diffstat (limited to 'include')
| -rw-r--r-- | include/dlfcn.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h index 526086f1a0..12ef913e19 100644 --- a/include/dlfcn.h +++ b/include/dlfcn.h @@ -35,9 +35,11 @@ extern char **__libc_argv attribute_hidden; __libc_dlopen_mode (name, RTLD_LAZY | __RTLD_DLOPEN) extern void *__libc_dlopen_mode (const char *__name, int __mode); extern void *__libc_dlsym (void *__map, const char *__name); +extern void *__libc_dlvsym (void *map, const char *name, const char *version); extern int __libc_dlclose (void *__map); libc_hidden_proto (__libc_dlopen_mode) libc_hidden_proto (__libc_dlsym) +libc_hidden_proto (__libc_dlvsym) libc_hidden_proto (__libc_dlclose) /* Locate shared object containing the given address. */ |