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| author | Jan Beulich <jbeulich@novell.com> | 2006-12-08 02:35:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-08 08:28:37 -0800 |
| commit | aad094701c6355cb2b3d74a07ec0496f4a48c787 (patch) | |
| tree | 00d5635dbd8ea74947f58528d71cb41f8ee0d3dc | |
| parent | d93f7de8c5dfefb030a5e65d0857176879bf78e9 (diff) | |
| download | linux-aad094701c6355cb2b3d74a07ec0496f4a48c787.tar.gz linux-aad094701c6355cb2b3d74a07ec0496f4a48c787.tar.bz2 linux-aad094701c6355cb2b3d74a07ec0496f4a48c787.zip | |
[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>
| -rw-r--r-- | kernel/kallsyms.c | 16 | ||||
| -rw-r--r-- | scripts/kallsyms.c | 2 |
2 files changed, 9 insertions, 9 deletions
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index ab63cfc42992..6f294ff4f9ee 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -31,14 +31,14 @@ #endif /* 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 f359b730c2c5..8b809b264d18 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("#endif\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 |