test/tls/tls-macros-thumb.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           ".align 2; "                                  \
   8           "1: .word " #x "(tpoff); "                    \
   9           "2: "                                         \
  10           : "=&r" (__result) : "r" (tp));               \
  11      __result; })
  12
  13 #define TLS_IE(x)                                       \
  14   ({ int *__result;                                     \
  15      int tmp;                                           \
  16      void *tp = __builtin_thread_pointer ();            \
  17      __asm__ ("ldr %0, 1f; "                            \
  18           "adr %1, 1f; "                                \
  19           "ldr %0, [%1, %0]; "                          \
  20           "add %0, %2, %0; "                            \
  21           "b 2f; "                                      \
  22           ".align 2; "                                  \
  23           "1: .word " #x "(gottpoff); "                 \
  24           "2: "                                         \
  25           : "=&r" (__result), "=&r"(tmp) : "r" (tp));   \
  26      __result; })
  27
  28 #define TLS_LD(x)                                       \
  29   ({ char *__result;                                    \
  30      int __offset;                                      \
  31      extern void *__tls_get_addr (void *);              \
  32      __asm__ ("ldr %0, 2f; "                            \
  33           ".align 2; "                                  \
  34           "1: add %0, pc, %0; "                         \
  35           "b 3f; "                                      \
  36           "2: .word " #x "(tlsldm) + (. - 1b - 4); "    \
  37           "3: "                                         \
  38           : "=r" (__result));                           \
  39      __result = (char *)__tls_get_addr (__result);      \
  40      __asm__ ("ldr %0, 1f; "                            \
  41           "b 2f; "                                      \
  42           "1: .word " #x "(tlsldo); "                   \
  43           "2: "                                         \
  44           : "=r" (__offset));                           \
  45      (int *) (__result + __offset); })
  46
  47 #define TLS_GD(x)                                       \
  48   ({ int *__result;                                     \
  49      extern void *__tls_get_addr (void *);              \
  50      __asm__ ("ldr %0, 2f; "                            \
  51           ".align 2; "                                  \
  52           "1: add %0, pc, %0; "                         \
  53           "b 3f; "                                      \
  54           "2: .word " #x "(tlsgd) + (. - 1b - 4); "     \
  55           "3: "                                         \
  56           : "=r" (__result));                           \
  57      (int *)__tls_get_addr (__result); })