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| author | David S. Miller <davem@davemloft.net> | 2009-01-26 17:43:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-01-26 17:43:16 -0800 |
| commit | 3eacdf58c2c0b9507afedfc19108e98b992c31e4 (patch) | |
| tree | d95e7e022ff6e6181edce43fe97cf2883b5a91ed /kernel/kallsyms.c | |
| parent | dd0a251c8e087bca05e8f9a3657078591ae6e12b (diff) | |
| parent | 5376071069ec8a7e6a8112beab16fc24f5139475 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'kernel/kallsyms.c')
| -rw-r--r-- | kernel/kallsyms.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index e694afa0eb8..7b8b0f21a5b 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -30,19 +30,20 @@ #define all_var 0 #endif -extern const unsigned long kallsyms_addresses[]; -extern const u8 kallsyms_names[]; +/* These will be re-linked against their real values during the second link stage */ +extern const unsigned long kallsyms_addresses[] __attribute__((weak)); +extern const u8 kallsyms_names[] __attribute__((weak)); /* tell the compiler that the count isn't in the small data section if the arch * has one (eg: FRV) */ extern const unsigned long kallsyms_num_syms - __attribute__((__section__(".rodata"))); +__attribute__((weak, section(".rodata"))); -extern const u8 kallsyms_token_table[]; -extern const u16 kallsyms_token_index[]; +extern const u8 kallsyms_token_table[] __attribute__((weak)); +extern const u16 kallsyms_token_index[] __attribute__((weak)); -extern const unsigned long kallsyms_markers[]; +extern const unsigned long kallsyms_markers[] __attribute__((weak)); static inline int is_kernel_inittext(unsigned long addr) { @@ -167,6 +168,9 @@ static unsigned long get_symbol_pos(unsigned long addr, unsigned long symbol_start = 0, symbol_end = 0; unsigned long i, low, high, mid; + /* This kernel should never had been booted. */ + BUG_ON(!kallsyms_addresses); + /* do a binary search on the sorted kallsyms_addresses array */ low = 0; high = kallsyms_num_syms; |