| Denis Vlasenko | 574f2f4 | 2008-02-27 18:41:59 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Copyright (C) 2008 by Denys Vlasenko <vda.linux@googlemail.com> |
| 4 | * |
| Denys Vlasenko | 0ef64bd | 2010-08-16 20:14:46 +0200 | [diff] [blame] | 5 | * Licensed under GPLv2, see file LICENSE in this source tree. |
| Denis Vlasenko | 574f2f4 | 2008-02-27 18:41:59 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| Denis Vlasenko | 574f2f4 | 2008-02-27 18:41:59 +0000 | [diff] [blame] | 8 | struct globals_misc; |
| 9 | struct globals_memstack; |
| 10 | struct globals_var; |
| 11 | |
| Denis Vlasenko | 93b8263 | 2008-04-11 11:27:29 +0000 | [diff] [blame] | 12 | #ifndef GCC_COMBINE |
| 13 | |
| 14 | /* We cheat here. They are declared as const ptr in ash.c, |
| 15 | * but here we make them live in R/W memory */ |
| Denis Vlasenko | 574f2f4 | 2008-02-27 18:41:59 +0000 | [diff] [blame] | 16 | struct globals_misc *ash_ptr_to_globals_misc; |
| 17 | struct globals_memstack *ash_ptr_to_globals_memstack; |
| 18 | struct globals_var *ash_ptr_to_globals_var; |
| Denis Vlasenko | 93b8263 | 2008-04-11 11:27:29 +0000 | [diff] [blame] | 19 | |
| 20 | #else |
| 21 | |
| 22 | /* gcc -combine will see through and complain */ |
| 23 | /* Using alternative method which is more likely to break |
| 24 | * on weird architectures, compilers, linkers and so on */ |
| 25 | struct globals_misc *const ash_ptr_to_globals_misc __attribute__ ((section (".data"))); |
| 26 | struct globals_memstack *const ash_ptr_to_globals_memstack __attribute__ ((section (".data"))); |
| 27 | struct globals_var *const ash_ptr_to_globals_var __attribute__ ((section (".data"))); |
| 28 | |
| 29 | #endif |