emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix build with gcc -combine

Browse Source
This commit is contained in:
Denis Vlasenko
2008-04-11 11:27:29 +00:00
parent 80f647c21c
commit 93b8263652
3 changed files with 40 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
shell/ash_ptr_hack.c
View File

@@ -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