sysdeps/arm/tls-macros.h

   1 #define TLS_LE(x)                                       \
   2   ({ int *__result;                                     \
   3      void *tp = __builtin_thread_pointer ();            \
   4      asm ("ldr %0, 1f; "                                \
   5           "add %0, %1, %0; "                            \
   6           "b 2f; "                                      \
   7           "1: .word " #x "(tpoff); "                    \
   8           "2: "                                         \
   9           : "=&r" (__result) : "r" (tp));               \
  10      __result; })
  11
  12 #define TLS_IE(x)                                       \
  13   ({ int *__result;                                     \
  14      void *tp = __builtin_thread_pointer ();            \
  15      asm ("ldr %0, 1f; "                                \
  16           "3: ldr %0, [pc, %0];"                        \
  17           "add %0, %1, %0; "                            \
  18           "b 2f; "                                      \
  19           "1: .word " #x "(gottpoff) + (. - 3b - 8); "  \
  20           "2: "                                         \
  21           : "=&r" (__result) : "r" (tp));               \
  22      __result; })
  23
  24 #define TLS_LD(x)                                       \
  25   ({ char *__result;                                    \
  26      int __offset;                                      \
  27      extern void *__tls_get_addr (void *);              \
  28      asm ("ldr %0, 2f; "                                \
  29           "1: add %0, pc, %0; "                         \
  30           "b 3f; "                                      \
  31           "2: .word " #x "(tlsldm) + (. - 1b - 8); "    \
  32           "3: "                                         \
  33           : "=r" (__result));                           \
  34      __result = (char *)__tls_get_addr (__result);      \
  35      asm ("ldr %0, 1f; "                                \
  36           "b 2f; "                                      \
  37           "1: .word " #x "(tlsldo); "                   \
  38           "2: "                                         \
  39           : "=r" (__offset));                           \
  40      (int *) (__result + __offset); })
  41
  42 #define TLS_GD(x)                                       \
  43   ({ int *__result;                                     \
  44      extern void *__tls_get_addr (void *);              \
  45      asm ("ldr %0, 2f; "                                \
  46           "1: add %0, pc, %0; "                         \
  47           "b 3f; "                                      \
  48           "2: .word " #x "(tlsgd) + (. - 1b - 8); "     \
  49           "3: "                                         \
  50           : "=r" (__result));                           \
  51      (int *)__tls_get_addr (__result); })