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authorDenis Vlasenko2008-02-27 18:41:59 +0000
committerDenis Vlasenko2008-02-27 18:41:59 +0000
commit574f2f43948bb21d6e4187936ba5a5afccba25f6 (patch)
tree0b39aca564149e5ad30b3cc791228655ff1b1827 /shell/ash_ptr_hack.c
parentfe66a0eca1bfeae0abc0fc1e7d3709f271e05e82 (diff)
downloadbusybox-574f2f43948bb21d6e4187936ba5a5afccba25f6.zip
busybox-574f2f43948bb21d6e4187936ba5a5afccba25f6.tar.gz
*: add optimization barrier to all "G trick" locations
Diffstat (limited to 'shell/ash_ptr_hack.c')
-rw-r--r--shell/ash_ptr_hack.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/shell/ash_ptr_hack.c b/shell/ash_ptr_hack.c
new file mode 100644
index 0000000..490b73b
--- /dev/null
+++ b/shell/ash_ptr_hack.c
@@ -0,0 +1,16 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Copyright (C) 2008 by Denys Vlasenko <vda.linux@googlemail.com>
+ *
+ * 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;
+
+struct globals_misc *ash_ptr_to_globals_misc;
+struct globals_memstack *ash_ptr_to_globals_memstack;
+struct globals_var *ash_ptr_to_globals_var;