aboutsummaryrefslogtreecommitdiffstats
path: root/main/libc0.9.32/libdl.patch
diff options
context:
space:
mode:
Diffstat (limited to 'main/libc0.9.32/libdl.patch')
-rw-r--r--main/libc0.9.32/libdl.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/main/libc0.9.32/libdl.patch b/main/libc0.9.32/libdl.patch
new file mode 100644
index 0000000000..f8a90ffa16
--- /dev/null
+++ b/main/libc0.9.32/libdl.patch
@@ -0,0 +1,26 @@
+diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c
+index 95a0650..3cfcb85 100644
+--- a/ldso/libdl/libdl.c
++++ b/ldso/libdl/libdl.c
+@@ -544,8 +544,18 @@ static void *do_dlopen(const char *libname, int flag)
+ * to the GOT tables. We need to do this in reverse order so that COPY
+ * directives work correctly */
+
+- /* Get the tail of the list */
+- for (ls = &_dl_loaded_modules->symbol_scope; ls && ls->next; ls = ls->next);
++ /* Extend the global scope by adding the local scope of the dlopened DSO.
++ * But only if it's not there. It can happen under certain cases that the
++ * DSO had refcount = 0, but was already loaded. (NODELETE flag is set, or
++ * it is pulled in via both NEEDED dependency and explicit dlopen()). */
++ for (ls = &_dl_loaded_modules->symbol_scope; ; ls = ls->next) {
++ if (ls == &dyn_chain->dyn->symbol_scope)
++ break;
++ if (ls->next == NULL) {
++ ls->next = &dyn_chain->dyn->symbol_scope;
++ break;
++ }
++ }
+
+ /* Extend the global scope by adding the local scope of the dlopened DSO. */
+ ls->next = &dyn_chain->dyn->symbol_scope;
+