diff options
Diffstat (limited to 'include/asm-i386/processor.h')
| -rw-r--r-- | include/asm-i386/processor.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h index 359bb015174..c76c50e9622 100644 --- a/include/asm-i386/processor.h +++ b/include/asm-i386/processor.h @@ -501,12 +501,16 @@ static inline void load_esp0(struct tss_struct *tss, struct thread_struct *threa } while (0) /* - * This special macro can be used to load a debugging register + * These special macros can be used to get or set a debugging register */ -#define loaddebug(thread,register) \ - __asm__("movl %0,%%db" #register \ - : /* no output */ \ - :"r" ((thread)->debugreg[register])) +#define get_debugreg(var, register) \ + __asm__("movl %%db" #register ", %0" \ + :"=r" (var)) +#define set_debugreg(value, register) \ + __asm__("movl %0,%%db" #register \ + : /* no output */ \ + :"r" (value)) + /* Forward declaration, a strange C thing */ struct task_struct; |