From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- release/src/router/busybox/libbb/ptr_to_globals.c | 35 +++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 release/src/router/busybox/libbb/ptr_to_globals.c (limited to 'release/src/router/busybox/libbb/ptr_to_globals.c') 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 + * + * Licensed under GPLv2, see file LICENSE in this tarball for details. + */ + +#include + +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 -- cgit v1.2.3-54-g00ecf