diff options
Diffstat (limited to 'sysdeps/i386/nptl/tls.h')
| -rw-r--r-- | sysdeps/i386/nptl/tls.h | 108 |
1 files changed, 1 insertions, 107 deletions
diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h index cfb27f5ccd..d010e14920 100644 --- a/sysdeps/i386/nptl/tls.h +++ b/sysdeps/i386/nptl/tls.h @@ -250,113 +250,7 @@ tls_fill_user_desc (union user_desc_init *desc, REGISTER_THREAD_AREA (32, offsetof (struct user_regs_struct, xgs), 3) \ REGISTER_THREAD_AREA (64, 26 * 8, 3) /* x86-64's user_regs_struct->gs */ - -/* Read member of the thread descriptor directly. */ -# define THREAD_GETMEM(descr, member) \ - ({ __typeof (descr->member) __value; \ - _Static_assert (sizeof (__value) == 1 \ - || sizeof (__value) == 4 \ - || sizeof (__value) == 8, \ - "size of per-thread data"); \ - if (sizeof (__value) == 1) \ - asm volatile ("movb %%gs:%P2,%b0" \ - : "=q" (__value) \ - : "0" (0), "i" (offsetof (struct pthread, member))); \ - else if (sizeof (__value) == 4) \ - asm volatile ("movl %%gs:%P1,%0" \ - : "=r" (__value) \ - : "i" (offsetof (struct pthread, member))); \ - else /* 8 */ \ - { \ - asm volatile ("movl %%gs:%P1,%%eax\n\t" \ - "movl %%gs:%P2,%%edx" \ - : "=A" (__value) \ - : "i" (offsetof (struct pthread, member)), \ - "i" (offsetof (struct pthread, member) + 4)); \ - } \ - __value; }) - - -/* Same as THREAD_GETMEM, but the member offset can be non-constant. */ -# define THREAD_GETMEM_NC(descr, member, idx) \ - ({ __typeof (descr->member[0]) __value; \ - _Static_assert (sizeof (__value) == 1 \ - || sizeof (__value) == 4 \ - || sizeof (__value) == 8, \ - "size of per-thread data"); \ - if (sizeof (__value) == 1) \ - asm volatile ("movb %%gs:%P2(%3),%b0" \ - : "=q" (__value) \ - : "0" (0), "i" (offsetof (struct pthread, member[0])), \ - "r" (idx)); \ - else if (sizeof (__value) == 4) \ - asm volatile ("movl %%gs:%P1(,%2,4),%0" \ - : "=r" (__value) \ - : "i" (offsetof (struct pthread, member[0])), \ - "r" (idx)); \ - else /* 8 */ \ - { \ - asm volatile ("movl %%gs:%P1(,%2,8),%%eax\n\t" \ - "movl %%gs:4+%P1(,%2,8),%%edx" \ - : "=&A" (__value) \ - : "i" (offsetof (struct pthread, member[0])), \ - "r" (idx)); \ - } \ - __value; }) - - - -/* Set member of the thread descriptor directly. */ -# define THREAD_SETMEM(descr, member, value) \ - ({ \ - _Static_assert (sizeof (descr->member) == 1 \ - || sizeof (descr->member) == 4 \ - || sizeof (descr->member) == 8, \ - "size of per-thread data"); \ - if (sizeof (descr->member) == 1) \ - asm volatile ("movb %b0,%%gs:%P1" : \ - : "iq" (value), \ - "i" (offsetof (struct pthread, member))); \ - else if (sizeof (descr->member) == 4) \ - asm volatile ("movl %0,%%gs:%P1" : \ - : "ir" (value), \ - "i" (offsetof (struct pthread, member))); \ - else /* 8 */ \ - { \ - asm volatile ("movl %%eax,%%gs:%P1\n\t" \ - "movl %%edx,%%gs:%P2" : \ - : "A" ((uint64_t) cast_to_integer (value)), \ - "i" (offsetof (struct pthread, member)), \ - "i" (offsetof (struct pthread, member) + 4)); \ - }}) - - -/* Same as THREAD_SETMEM, but the member offset can be non-constant. */ -# define THREAD_SETMEM_NC(descr, member, idx, value) \ - ({ \ - _Static_assert (sizeof (descr->member[0]) == 1 \ - || sizeof (descr->member[0]) == 4 \ - || sizeof (descr->member[0]) == 8, \ - "size of per-thread data"); \ - if (sizeof (descr->member[0]) == 1) \ - asm volatile ("movb %b0,%%gs:%P1(%2)" : \ - : "iq" (value), \ - "i" (offsetof (struct pthread, member)), \ - "r" (idx)); \ - else if (sizeof (descr->member[0]) == 4) \ - asm volatile ("movl %0,%%gs:%P1(,%2,4)" : \ - : "ir" (value), \ - "i" (offsetof (struct pthread, member)), \ - "r" (idx)); \ - else /* 8 */ \ - { \ - asm volatile ("movl %%eax,%%gs:%P1(,%2,8)\n\t" \ - "movl %%edx,%%gs:4+%P1(,%2,8)" : \ - : "A" ((uint64_t) cast_to_integer (value)), \ - "i" (offsetof (struct pthread, member)), \ - "r" (idx)); \ - }}) - +# include <tcb-access.h> /* Set the stack guard field in TCB head. */ #define THREAD_SET_STACK_GUARD(value) \ |