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-rw-r--r--kernel/arch/tile/include/asm/sections.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/kernel/arch/tile/include/asm/sections.h b/kernel/arch/tile/include/asm/sections.h
new file mode 100644
index 000000000..86a746243
--- /dev/null
+++ b/kernel/arch/tile/include/asm/sections.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2010 Tilera Corporation. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _ASM_TILE_SECTIONS_H
+#define _ASM_TILE_SECTIONS_H
+
+#define arch_is_kernel_data arch_is_kernel_data
+
+#include <asm-generic/sections.h>
+
+/* Write-once data is writable only till the end of initialization. */
+extern char __w1data_begin[], __w1data_end[];
+
+extern char vdso_start[], vdso_end[];
+#ifdef CONFIG_COMPAT
+extern char vdso32_start[], vdso32_end[];
+#endif
+
+/* Not exactly sections, but PC comparison points in the code. */
+extern char __rt_sigreturn[], __rt_sigreturn_end[];
+#ifdef __tilegx__
+extern char __start_unalign_asm_code[], __end_unalign_asm_code[];
+#else
+extern char sys_cmpxchg[], __sys_cmpxchg_end[];
+extern char __sys_cmpxchg_grab_lock[];
+extern char __start_atomic_asm_code[], __end_atomic_asm_code[];
+#endif
+
+/* Handle the discontiguity between _sdata and _text. */
+static inline int arch_is_kernel_data(unsigned long addr)
+{
+ return addr >= (unsigned long)_sdata &&
+ addr < (unsigned long)_end;
+}
+
+#endif /* _ASM_TILE_SECTIONS_H */