sysdeps/powerpc/powerpc32/tls-macros.h

   1 /* Include sysdeps/powerpc/tls-macros.h for __TLS_CALL_CLOBBERS  */
   2 #include_next "tls-macros.h"
   3 #include "config.h"
   4
   5 /* PowerPC32 Local Exec TLS access.  */
   6 #define TLS_LE(x)                                                             \
   7   ({ int *__result;                                                           \
   8      asm ("addi %0,2," #x "@tprel"                                            \
   9           : "=r" (__result));                                                 \
  10      __result; })
  11
  12 /* PowerPC32 Initial Exec TLS access.  */
  13 #ifdef HAVE_ASM_PPC_REL16
  14 # define TLS_IE(x)                                                            \
  15   ({ int *__result;                                                           \
  16      asm ("bcl 20,31,1f\n1:\t"                                                \
  17           "mflr %0\n\t"                                                       \
  18           "addis %0,%0,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t"                       \
  19           "addi %0,%0,_GLOBAL_OFFSET_TABLE_-1b@l\n\t"                         \
  20           "lwz %0," #x "@got@tprel(%0)\n\t"                                   \
  21           "add %0,%0," #x "@tls"                                              \
  22           : "=b" (__result) :                                                 \
  23           : "lr");                                                            \
  24      __result; })
  25 #else
  26 # define TLS_IE(x)                                                            \
  27   ({ int *__result;                                                           \
  28      asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t"                              \
  29           "mflr %0\n\t"                                                       \
  30           "lwz %0," #x "@got@tprel(%0)\n\t"                                   \
  31           "add %0,%0," #x "@tls"                                              \
  32           : "=b" (__result) :                                                 \
  33           : "lr");                                                            \
  34      __result; })
  35 #endif
  36
  37 /* PowerPC32 Local Dynamic TLS access.  */
  38 #ifdef HAVE_ASM_PPC_REL16
  39 # define TLS_LD(x)                                                            \
  40   ({ int *__result;                                                           \
  41      asm ("bcl 20,31,1f\n1:\t"                                                \
  42           "mflr 3\n\t"                                                        \
  43           "addis 3,3,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t"                         \
  44           "addi 3,3,_GLOBAL_OFFSET_TABLE_-1b@l\n\t"                           \
  45           "addi 3,3," #x "@got@tlsld\n\t"                                     \
  46           "bl __tls_get_addr@plt\n\t"                                         \
  47           "addi %0,3," #x "@dtprel"                                           \
  48           : "=r" (__result) :                                                 \
  49           : "3", __TLS_CALL_CLOBBERS);                                        \
  50      __result; })
  51 #else
  52 # define TLS_LD(x)                                                            \
  53   ({ int *__result;                                                           \
  54      asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t"                              \
  55           "mflr 3\n\t"                                                        \
  56           "addi 3,3," #x "@got@tlsld\n\t"                                     \
  57           "bl __tls_get_addr@plt\n\t"                                         \
  58           "addi %0,3," #x "@dtprel"                                           \
  59           : "=r" (__result) :                                                 \
  60           : "3", __TLS_CALL_CLOBBERS);                                        \
  61      __result; })
  62 #endif
  63
  64 /* PowerPC32 General Dynamic TLS access.  */
  65 #ifdef HAVE_ASM_PPC_REL16
  66 # define TLS_GD(x)                                                            \
  67   ({ register int *__result __asm__ ("r3");                                   \
  68      asm ("bcl 20,31,1f\n1:\t"                                                \
  69           "mflr 3\n\t"                                                        \
  70           "addis 3,3,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t"                         \
  71           "addi 3,3,_GLOBAL_OFFSET_TABLE_-1b@l\n\t"                           \
  72           "addi 3,3," #x "@got@tlsgd\n\t"                                     \
  73           "bl __tls_get_addr@plt"                                             \
  74           : "=r" (__result) :                                                 \
  75           : __TLS_CALL_CLOBBERS);                                             \
  76      __result; })
  77 #else
  78 # define TLS_GD(x)                                                            \
  79   ({ register int *__result __asm__ ("r3");                                   \
  80      asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t"                              \
  81           "mflr 3\n\t"                                                        \
  82           "addi 3,3," #x "@got@tlsgd\n\t"                                     \
  83           "bl __tls_get_addr@plt"                                             \
  84           : "=r" (__result) :                                                 \
  85           : __TLS_CALL_CLOBBERS);                                             \
  86      __result; })
  87 #endif