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| author | H. Peter Anvin <hpa@linux.intel.com> | 2009-01-30 14:50:57 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2009-01-30 14:50:57 -0800 |
| commit | 9b7ed8faa034fc2d350e2eff5c68680eb5c43a07 (patch) | |
| tree | 5c94c34ad30e312604c1ce4f08ab6631b64a94f5 /kernel/kallsyms.c | |
| parent | 6522869c34664dd5f05a0a327e93915b1281c90d (diff) | |
| parent | c43e0e46adf79c321ed3fbf0351e1005fb8a2413 (diff) | |
| download | kernel-crypto-9b7ed8faa034fc2d350e2eff5c68680eb5c43a07.tar.gz kernel-crypto-9b7ed8faa034fc2d350e2eff5c68680eb5c43a07.tar.xz kernel-crypto-9b7ed8faa034fc2d350e2eff5c68680eb5c43a07.zip | |
Merge branch 'core/percpu' into x86/paravirt
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; |