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| author | Andreas Schwab <schwab@redhat.com> | 2010-10-24 20:40:14 -0400 |
|---|---|---|
| committer | Petr Baudis <pasky@suse.cz> | 2010-11-09 02:42:11 +0100 |
| commit | 8b1cd765b2bef7a4e71f76ac87dd1454fe2ed409 (patch) | |
| tree | 408468bfbcd918c0d71904d19a163e05e257ccac | |
| parent | c88ea0dfe1baccac52a7a7fb80ee5b813a226b8d (diff) | |
| download | glibc-8b1cd765b2bef7a4e71f76ac87dd1454fe2ed409.tar.gz glibc-8b1cd765b2bef7a4e71f76ac87dd1454fe2ed409.tar.xz glibc-8b1cd765b2bef7a4e71f76ac87dd1454fe2ed409.zip | |
Don't expand DST twice in dl_open
(cherry picked from commit 22cd1c9bcf57c5829d65b6da825f7a459d40c9eb)
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | elf/dl-open.c | 29 |
2 files changed, 5 insertions, 29 deletions
diff --git a/ChangeLog b/ChangeLog index fd646956e8..7fa4a0623f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2010-10-18 Andreas Schwab <schwab@redhat.com> + + * elf/dl-open.c (dl_open_worker): Don't expand DST here, let + _dl_map_object do it. + 2010-10-15 Andreas Schwab <schwab@redhat.com> * scripts/data/localplt-s390-linux-gnu.data: New file. diff --git a/elf/dl-open.c b/elf/dl-open.c index 2d3932fb0d..0b328cfb00 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -220,35 +220,6 @@ dl_open_worker (void *a) assert (_dl_debug_initialize (0, args->nsid)->r_state == RT_CONSISTENT); - /* Maybe we have to expand a DST. */ - if (__builtin_expect (dst != NULL, 0)) - { - size_t len = strlen (file); - - /* Determine how much space we need. We have to allocate the - memory locally. */ - size_t required = DL_DST_REQUIRED (call_map, file, len, - _dl_dst_count (dst, 0)); - - /* Get space for the new file name. */ - char *new_file = (char *) alloca (required + 1); - - /* Generate the new file name. */ - _dl_dst_substitute (call_map, file, new_file, 0); - - /* If the substitution failed don't try to load. */ - if (*new_file == '\0') - _dl_signal_error (0, "dlopen", NULL, - N_("empty dynamic string token substitution")); - - /* Now we have a new file name. */ - file = new_file; - - /* It does not matter whether call_map is set even if we - computed it only because of the DST. Since the path contains - a slash the value is not used. See dl-load.c. */ - } - /* Load the named object. */ struct link_map *new; args->map = new = _dl_map_object (call_map, file, lt_loaded, 0, |