1/* vi: set sw=4 ts=4: */ 2/* 3 * Copyright (C) 2008 by Denys Vlasenko <vda.linux@googlemail.com> 4 * 5 * Licensed under GPLv2, see file LICENSE in this source tree. 6 */ 7#include <errno.h> 8 9struct globals; 10 11#ifndef GCC_COMBINE 12 13/* We cheat here. It is declared as const ptr in libbb.h, 14 * but here we make it live in R/W memory */ 15struct globals *ptr_to_globals; 16 17#ifdef __GLIBC__ 18int *bb_errno; 19#endif 20 21 22#else 23 24 25/* gcc -combine will see through and complain */ 26/* Using alternative method which is more likely to break 27 * on weird architectures, compilers, linkers and so on */ 28struct globals *const ptr_to_globals __attribute__ ((section (".data"))); 29 30#ifdef __GLIBC__ 31int *const bb_errno __attribute__ ((section (".data"))); 32#endif 33 34#endif 35