uclibc: Upgrade to latest master

Document the patches

Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 83 insertions, 0 deletions

diff --git a/meta/recipes-core/uclibc/uclibc-git/fix_libdl.patch b/meta/recipes-core/uclibc/uclibc-git/fix_libdl.patch
new file mode 100644
index 0000000000..16e48b1bca
--- /dev/null
+++ b/meta/recipes-core/uclibc/uclibc-git/fix_libdl.patch
@@ -0,0 +1,83 @@
+Defer removal of the local scope of a dl-opened library after
+all the destructors (of itself and related dependencies) are actually
+get unloaded, otherwise any function registered via atexit()
+won't be resolved.
+
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono at st.com>
+Signed-off-by: Carmelo Amoroso <carmelo.amoroso at st.com>
+---
+ ldso/libdl/libdl.c |   33 +++++++++++++++++++++------------
+ 1 files changed, 21 insertions(+), 12 deletions(-)
+
+
+Upstream-Status: Pending
+
+Index: git/ldso/libdl/libdl.c
+===================================================================
+--- git.orig/ldso/libdl/libdl.c	2012-01-17 17:38:44.930821794 -0800
++++ git/ldso/libdl/libdl.c	2012-01-17 17:39:02.754822656 -0800
+@@ -780,7 +780,9 @@
+ 	struct dyn_elf *handle;
+ 	unsigned int end = 0, start = 0xffffffff;
+ 	unsigned int i, j;
+-	struct r_scope_elem *ls;
++	struct r_scope_elem *ls, *ls_next = NULL;
++	struct elf_resolve **handle_rlist;
++
+ #if defined(USE_TLS) && USE_TLS
+ 	bool any_tls = false;
+ 	size_t tls_free_start = NO_TLS_OFFSET;
+@@ -813,6 +815,19 @@
+ 		free(handle);
+ 		return 0;
+ 	}
++
++	/* Store the handle's local scope array for later removal */
++	handle_rlist = handle->dyn->symbol_scope.r_list;
++
++	/* Store references to the local scope entries for later removal */
++	for (ls = &_dl_loaded_modules->symbol_scope; ls && ls->next; ls = ls->next)
++		if (ls->next->r_list[0] == handle->dyn) {
++			break;
++		}
++	/* ls points to the previous local symbol scope */
++	if(ls && ls->next)
++		ls_next = ls->next->next;
++
+ 	/* OK, this is a valid handle - now close out the file */
+ 	for (j = 0; j < handle->init_fini.nlist; ++j) {
+ 		tpnt = handle->init_fini.init_fini[j];
+@@ -974,16 +989,6 @@
+ 				}
+ 			}
+ 
+-			if (handle->dyn == tpnt) {
+-				/* Unlink the local scope from global one */
+-				for (ls = &_dl_loaded_modules->symbol_scope; ls; ls = ls->next)
+-					if (ls->next->r_list[0] == tpnt) {
+-						_dl_if_debug_print("removing symbol_scope: %s\n", tpnt->libname);
+-						break;
+-					}
+-				ls->next = ls->next->next;
+-			}
+-
+ 			/* Next, remove tpnt from the global symbol table list */
+ 			if (_dl_symbol_tables) {
+ 				if (_dl_symbol_tables->dyn == tpnt) {
+@@ -1005,10 +1010,14 @@
+ 				}
+ 			}
+ 			free(tpnt->libname);
+-			free(tpnt->symbol_scope.r_list);
+ 			free(tpnt);
+ 		}
+ 	}
++	/* Unlink and release the handle's local scope from global one */
++	if(ls)
++		ls->next = ls_next;
++	free(handle_rlist);
++
+ 	for (rpnt1 = handle->next; rpnt1; rpnt1 = rpnt1_tmp) {
+ 		rpnt1_tmp = rpnt1->next;
+ 		free(rpnt1);