sysdeps/x86_64/tls-macros.h

   1 #define TLS_LE(x) \
   2   ({ int *__l;                                                                \
   3      asm ("mov %%fs:0,%0\n\t"                                                 \
   4           "lea " #x "@tpoff(%0), %0"                                          \
   5           : "=r" (__l));                                                      \
   6      __l; })
   7
   8 #define TLS_IE(x) \
   9   ({ int *__l;                                                                \
  10      asm ("mov %%fs:0,%0\n\t"                                                 \
  11           "add " #x "@gottpoff(%%rip),%0"                                     \
  12           : "=r" (__l));                                                      \
  13      __l; })
  14
  15 #define TLS_LD(x) \
  16   ({ int *__l, __c, __d;                                                      \
  17      asm ("leaq " #x "@tlsld(%%rip),%%rdi\n\t"                                \
  18           "call __tls_get_addr@plt\n\t"                                       \
  19           "leaq " #x "@dtpoff(%%rax), %%rax"                                  \
  20           : "=a" (__l), "=&c" (__c), "=&d" (__d)                              \
  21           : : "rdi", "rsi", "r8", "r9", "r10", "r11");                        \
  22      __l; })
  23
  24 #ifdef __ILP32__
  25 # define TLS_GD_PREFIX
  26 #else
  27 # define TLS_GD_PREFIX  ".byte 0x66\n\t"
  28 #endif
  29
  30 #define TLS_GD(x) \
  31   ({ int *__l, __c, __d;                                                      \
  32      asm (TLS_GD_PREFIX                                                       \
  33           "leaq " #x "@tlsgd(%%rip),%%rdi\n\t"                                \
  34           ".word 0x6666\n\t"                                                  \
  35           "rex64\n\t"                                                         \
  36           "call __tls_get_addr@plt"                                           \
  37           : "=a" (__l), "=&c" (__c), "=&d" (__d)                              \
  38           : : "rdi", "rsi", "r8", "r9", "r10", "r11");                        \
  39      __l; })