sysdeps/i386/tls-macros.h

   1 #define TLS_LE(x) \
   2   ({ int *__l;                                                                \
   3      asm ("movl %%gs:0,%0\n\t"                                                \
   4           "subl $" #x "@tpoff,%0"                                             \
   5           : "=r" (__l));                                                      \
   6      __l; })
   7
   8 #ifdef PIC
   9 # define TLS_IE(x) \
  10   ({ int *__l;                                                                \
  11      asm ("movl %%gs:0,%0\n\t"                                                \
  12           "subl " #x "@gottpoff(%%ebx),%0"                                    \
  13           : "=r" (__l));                                                      \
  14      __l; })
  15 #else
  16 # define TLS_IE(x) \
  17   ({ int *__l, __b;                                                           \
  18      asm ("call 1f\n\t"                                                       \
  19           ".subsection 1\n"                                                   \
  20           "1:\tmovl (%%esp), %%ebx\n\t"                                       \
  21           "ret\n\t"                                                           \
  22           ".previous\n\t"                                                     \
  23           "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t"                            \
  24           "movl %%gs:0,%0\n\t"                                                \
  25           "subl " #x "@gottpoff(%%ebx),%0"                                    \
  26           : "=r" (__l), "=&b" (__b));                                         \
  27      __l; })
  28 #endif
  29
  30 #ifdef PIC
  31 # define TLS_LD(x) \
  32   ({ int *__l, __c, __d;                                                      \
  33      asm ("leal " #x "@tlsldm(%%ebx),%%eax\n\t"                               \
  34           "call ___tls_get_addr@plt\n\t"                                      \
  35           "leal " #x "@dtpoff(%%eax), %%eax"                                  \
  36           : "=a" (__l), "=&c" (__c), "=&d" (__d));                            \
  37      __l; })
  38 #else
  39 # define TLS_LD(x) \
  40   ({ int *__l, __b, __c, __d;                                                 \
  41      asm ("call 1f\n\t"                                                       \
  42           ".subsection 1\n"                                                   \
  43           "1:\tmovl (%%esp), %%ebx\n\t"                                       \
  44           "ret\n\t"                                                           \
  45           ".previous\n\t"                                                     \
  46           "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t"                            \
  47           "leal " #x "@tlsldm(%%ebx),%%eax\n\t"                               \
  48           "call ___tls_get_addr@plt\n\t"                                      \
  49           "leal " #x "@dtpoff(%%eax), %%eax"                                  \
  50           : "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d));               \
  51      __l; })
  52 #endif
  53
  54 #ifdef PIC
  55 # define TLS_GD(x) \
  56   ({ int *__l, __c, __d;                                                      \
  57      asm ("leal " #x "@tlsgd(%%ebx),%%eax\n\t"                                \
  58           "call ___tls_get_addr@plt\n\t"                                      \
  59           "nop"                                                               \
  60           : "=a" (__l), "=&c" (__c), "=&d" (__d));                            \
  61      __l; })
  62 #else
  63 # define TLS_GD(x) \
  64   ({ int *__l, __b, __c, __d;                                                 \
  65      asm ("call 1f\n\t"                                                       \
  66           ".subsection 1\n"                                                   \
  67           "1:\tmovl (%%esp), %%ebx\n\t"                                       \
  68           "ret\n\t"                                                           \
  69           ".previous\n\t"                                                     \
  70           "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t"                            \
  71           "leal " #x "@tlsgd(%%ebx),%%eax\n\t"                                \
  72           "call ___tls_get_addr@plt\n\t"                                      \
  73           "nop"                                                               \
  74           : "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d));               \
  75      __l; })
  76 #endif