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[PATCH] x86_64: allow unwinder to build without module support

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Add proper conditionals to be able to build with CONFIG_MODULES=n.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jan Beulich 2006-06-26 13:57:50 +02:00 committed by Linus Torvalds
parent c33bd9aac0
commit 83f4fcce7f
2 changed files with 12 additions and 0 deletions
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8
include/linux/unwind.h
View File

@ -29,12 +29,16 @@ struct module;
*/
extern void unwind_init(void);
#ifdef CONFIG_MODULES
extern void *unwind_add_table(struct module *,
const void *table_start,
unsigned long table_size);
extern void unwind_remove_table(void *handle, int init_only);
#endif
extern int unwind_init_frame_info(struct unwind_frame_info *,
struct task_struct *,
/*const*/ struct pt_regs *);
@ -72,6 +76,8 @@ struct unwind_frame_info {};
static inline void unwind_init(void) {}
#ifdef CONFIG_MODULES
static inline void *unwind_add_table(struct module *mod,
const void *table_start,
unsigned long table_size)
@ -79,6 +85,8 @@ static inline void *unwind_add_table(struct module *mod,
return NULL;
}
#endif
static inline void unwind_remove_table(void *handle, int init_only)
{
}

4
kernel/unwind.c
View File

@ -172,6 +172,8 @@ void __init unwind_init(void)
__start_unwind, __end_unwind - __start_unwind);
}
#ifdef CONFIG_MODULES
/* Must be called with module_mutex held. */
void *unwind_add_table(struct module *module,
const void *table_start,
@ -253,6 +255,8 @@ void unwind_remove_table(void *handle, int init_only)
kfree(table);
}
#endif /* CONFIG_MODULES */
static uleb128_t get_uleb128(const u8 **pcur, const u8 *end)
{
const u8 *cur = *pcur;