diff options
Diffstat (limited to 'shell/ash_ptr_hack.c')
| -rw-r--r-- | shell/ash_ptr_hack.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/shell/ash_ptr_hack.c b/shell/ash_ptr_hack.c index 490b73b..68d9072 100644 --- a/shell/ash_ptr_hack.c +++ b/shell/ash_ptr_hack.c @@ -5,12 +5,25 @@ * Licensed under GPLv2, see file LICENSE in this tarball for details. */ -/* We cheat here. They are declared as const ptr in ash.c, - * but here we make them live in R/W memory */ struct globals_misc; struct globals_memstack; struct globals_var; +#ifndef GCC_COMBINE + +/* We cheat here. They are declared as const ptr in ash.c, + * but here we make them live in R/W memory */ struct globals_misc *ash_ptr_to_globals_misc; struct globals_memstack *ash_ptr_to_globals_memstack; struct globals_var *ash_ptr_to_globals_var; + +#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_misc *const ash_ptr_to_globals_misc __attribute__ ((section (".data"))); +struct globals_memstack *const ash_ptr_to_globals_memstack __attribute__ ((section (".data"))); +struct globals_var *const ash_ptr_to_globals_var __attribute__ ((section (".data"))); + +#endif |