sysdeps/alpha/tls-macros.h

   1 /* Macros to support TLS testing in times of missing compiler support.  */
   2
   3 extern void *__tls_get_addr (void *);
   4
   5 # define TLS_GD(x)                                                      \
   6   ({ register void *__gp asm ("$29"); void *__result;                   \
   7      asm ("lda %0, " #x "($gp) !tlsgd" : "=r" (__result) : "r"(__gp));  \
   8      __tls_get_addr (__result); })
   9
  10 # define TLS_LD(x)                                                      \
  11   ({ register void *__gp asm ("$29"); void *__result;                   \
  12      asm ("lda %0, " #x "($gp) !tlsldm" : "=r" (__result) : "r"(__gp)); \
  13      __result = __tls_get_addr (__result);                              \
  14      asm ("lda %0, " #x "(%0) !dtprel" : "+r" (__result));              \
  15      __result; })
  16
  17 # define TLS_IE(x)                                                      \
  18   ({ register void *__gp asm ("$29"); long ofs;                         \
  19      asm ("ldq %0, " #x "($gp) !gottprel" : "=r"(ofs) : "r"(__gp));     \
  20      __builtin_thread_pointer () + ofs; })
  21
  22 # define TLS_LE(x)                                              \
  23   ({ void *__result = __builtin_thread_pointer ();              \
  24      asm ("lda %0, " #x "(%0) !tprel" : "+r" (__result));       \
  25      __result; })