diff options
Diffstat (limited to 'include/asm-x86_64/processor.h')
| -rw-r--r-- | include/asm-x86_64/processor.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h index d641b19f6da5..106f666517bb 100644 --- a/include/asm-x86_64/processor.h +++ b/include/asm-x86_64/processor.h @@ -160,16 +160,17 @@ static inline void clear_in_cr4 (unsigned long mask) /* * User space process size. 47bits minus one guard page. */ -#define TASK_SIZE (0x800000000000UL - 4096) +#define TASK_SIZE64 (0x800000000000UL - 4096) /* This decides where the kernel will search for a free chunk of vm * space during mmap's. */ #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? 0xc0000000 : 0xFFFFe000) -#define TASK_UNMAPPED_32 PAGE_ALIGN(IA32_PAGE_OFFSET/3) -#define TASK_UNMAPPED_64 PAGE_ALIGN(TASK_SIZE/3) -#define TASK_UNMAPPED_BASE \ - (test_thread_flag(TIF_IA32) ? TASK_UNMAPPED_32 : TASK_UNMAPPED_64) + +#define TASK_SIZE (test_thread_flag(TIF_IA32) ? IA32_PAGE_OFFSET : TASK_SIZE64) +#define TASK_SIZE_OF(child) ((test_tsk_thread_flag(child, TIF_IA32)) ? IA32_PAGE_OFFSET : TASK_SIZE64) + +#define TASK_UNMAPPED_BASE PAGE_ALIGN(TASK_SIZE/3) /* * Size of io_bitmap. @@ -279,6 +280,14 @@ struct thread_struct { set_fs(USER_DS); \ } while(0) +#define get_debugreg(var, register) \ + __asm__("movq %%db" #register ", %0" \ + :"=r" (var)) +#define set_debugreg(value, register) \ + __asm__("movq %0,%%db" #register \ + : /* no output */ \ + :"r" (value)) + struct task_struct; struct mm_struct; |