File: ash_ptr_hack.c

package info (click to toggle)
busybox 1%3A1.37.0-10
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 23,928 kB
  • sloc: ansic: 190,183; sh: 10,440; cpp: 1,428; makefile: 1,006; asm: 798; yacc: 570; lex: 355; perl: 334; python: 112; awk: 29
file content (29 lines) | stat: -rw-r--r-- 974 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
/* vi: set sw=4 ts=4: */
/*
 * Copyright (C) 2008 by Denys Vlasenko <vda.linux@googlemail.com>
 *
 * Licensed under GPLv2, see file LICENSE in this source tree.
 */

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