diff options
authorJan Beulich <jbeulich@novell.com>2006-12-08 02:35:57 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 08:28:37 -0800
commitaad094701c6355cb2b3d74a07ec0496f4a48c787 (patch)
parentd93f7de8c5dfefb030a5e65d0857176879bf78e9 (diff)
[PATCH] move kallsyms data to .rodata
Kallsyms data is never written to, so it can as well benefit from CONFIG_DEBUG_RODATA. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2 files changed, 9 insertions, 9 deletions
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index ab63cfc4299..6f294ff4f9e 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -31,14 +31,14 @@
/* These will be re-linked against their real values during the second link stage */
-extern unsigned long kallsyms_addresses[] __attribute__((weak));
-extern unsigned long kallsyms_num_syms __attribute__((weak,section("data")));
-extern u8 kallsyms_names[] __attribute__((weak));
+extern const unsigned long kallsyms_addresses[] __attribute__((weak));
+extern const unsigned long kallsyms_num_syms __attribute__((weak));
+extern const u8 kallsyms_names[] __attribute__((weak));
-extern u8 kallsyms_token_table[] __attribute__((weak));
-extern u16 kallsyms_token_index[] __attribute__((weak));
+extern const u8 kallsyms_token_table[] __attribute__((weak));
+extern const u16 kallsyms_token_index[] __attribute__((weak));
-extern unsigned long kallsyms_markers[] __attribute__((weak));
+extern const unsigned long kallsyms_markers[] __attribute__((weak));
static inline int is_kernel_inittext(unsigned long addr)
@@ -84,7 +84,7 @@ static int is_ksym_addr(unsigned long addr)
static unsigned int kallsyms_expand_symbol(unsigned int off, char *result)
int len, skipped_first = 0;
- u8 *tptr, *data;
+ const u8 *tptr, *data;
/* get the compressed symbol length from the first symbol byte */
data = &kallsyms_names[off];
@@ -132,7 +132,7 @@ static char kallsyms_get_symbol_type(unsigned int off)
* kallsyms array */
static unsigned int get_symbol_offset(unsigned long pos)
- u8 *name;
+ const u8 *name;
int i;
/* use the closest marker we have. We have markers every 256 positions,
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index f359b730c2c..8b809b264d1 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -265,7 +265,7 @@ static void write_src(void)
printf("#define ALGN .align 4\n");
- printf(".data\n");
+ printf("\t.section .rodata, \"a\"\n");
/* Provide proper symbols relocatability by their '_text'
* relativeness. The symbol names cannot be used to construct