patch to Vanilla Tomato 1.28

1 files changed, 35 insertions, 0 deletions

diff --git a/release/src/router/busybox/libbb/ptr_to_globals.c b/release/src/router/busybox/libbb/ptr_to_globals.c
new file mode 100644
index 00000000..5f30e2a6
--- /dev/null
+++ b/release/src/router/busybox/libbb/ptr_to_globals.c
@@ -0,0 +1,35 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Copyright (C) 2008 by Denys Vlasenko <vda.linux@googlemail.com>
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ */
+
+#include <errno.h>
+
+struct globals;
+
+#ifndef GCC_COMBINE
+
+/* We cheat here. It is declared as const ptr in libbb.h,
+ * but here we make it live in R/W memory */
+struct globals *ptr_to_globals;
+
+#ifdef __GLIBC__
+int *bb_errno;
+#endif
+
+
+#else
+
+
+/* gcc -combine will see through and complain */
+/* Using alternative method which is more likely to break
+ * on weird architectures, compilers, linkers and so on */
+struct globals *const ptr_to_globals __attribute__ ((section (".data")));
+
+#ifdef __GLIBC__
+int *const bb_errno __attribute__ ((section (".data")));
+#endif
+
+#endif