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Diffstat (limited to 'ldso')
-rw-r--r--ldso/dynlink.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/ldso/dynlink.c b/ldso/dynlink.c
index 7ac0bf75..7810356b 100644
--- a/ldso/dynlink.c
+++ b/ldso/dynlink.c
@@ -2237,6 +2237,33 @@ hidden void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra
return res;
}
+hidden void *__dlsym_redir_time64(void *restrict p, const char *restrict s, void *restrict ra)
+{
+#if _REDIR_TIME64
+ const char *suffix, *suffix2 = "";
+ char redir[36];
+
+ /* Map the symbol name to a time64 version of itself according to the
+ * pattern used for naming the redirected time64 symbols. */
+ size_t l = strnlen(s, sizeof redir);
+ if (l<4 || l==sizeof redir) goto no_redir;
+ if (s[l-2]=='_' && s[l-1]=='r') {
+ l -= 2;
+ suffix2 = s+l;
+ }
+ if (l<4) goto no_redir;
+ if (!strcmp(s+l-4, "time")) suffix = "64";
+ else suffix = "_time64";
+
+ /* Use the presence of the remapped symbol name in libc to determine
+ * whether it's one that requires time64 redirection; replace if so. */
+ snprintf(redir, sizeof redir, "__%.*s%s%s", (int)l, s, suffix, suffix2);
+ if (find_sym(&ldso, redir, 1).sym) s = redir;
+no_redir:
+#endif
+ return __dlsym(p, s, ra);
+}
+
int dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data)
{
struct dso *current;