sysdeps/mips/tls-macros.h

   1 /* Macros to support TLS testing in times of missing compiler support.  */
   2
   3 #if _MIPS_SIM != _ABI64
   4
   5 /* These versions are for o32 and n32.  */
   6
   7 # define TLS_GD(x)                                      \
   8   ({ void *__result;                                    \
   9      extern void *__tls_get_addr (void *);              \
  10      asm ("addiu %0, $28, %%tlsgd(" #x ")"              \
  11           : "=r" (__result));                           \
  12      (int *)__tls_get_addr (__result); })
  13 #else
  14 # define TLS_GD(x)                                      \
  15   ({ void *__result;                                    \
  16      extern void *__tls_get_addr (void *);              \
  17      asm ("daddiu %0, $28, %%tlsgd(" #x ")"             \
  18           : "=r" (__result));                           \
  19      (int *)__tls_get_addr (__result); })
  20 #endif
  21
  22 #if _MIPS_SIM != _ABI64
  23 # define TLS_LD(x)                                      \
  24   ({ void *__result;                                    \
  25      extern void *__tls_get_addr (void *);              \
  26      asm ("addiu %0, $28, %%tlsldm(" #x ")"             \
  27           : "=r" (__result));                           \
  28      __result = __tls_get_addr (__result);              \
  29      asm ("lui $3,%%dtprel_hi(" #x ")\n\t"              \
  30           "addiu $3,$3,%%dtprel_lo(" #x ")\n\t"         \
  31           "addu %0,%0,$3"                               \
  32           : "+r" (__result) : : "$3");                  \
  33      __result; })
  34 # define TLS_IE(x)                                      \
  35   ({ void *__result;                                    \
  36      asm (".set push\n\t.set mips32r2\n\t"              \
  37           "rdhwr\t%0,$29\n\t.set pop"                   \
  38           : "=v" (__result));                           \
  39      asm ("lw $3,%%gottprel(" #x ")($28)\n\t"           \
  40           "addu %0,%0,$3"                               \
  41           : "+r" (__result) : : "$3");                  \
  42      __result; })
  43 # define TLS_LE(x)                                      \
  44   ({ void *__result;                                    \
  45      asm (".set push\n\t.set mips32r2\n\t"              \
  46           "rdhwr\t%0,$29\n\t.set pop"                   \
  47           : "=v" (__result));                           \
  48      asm ("lui $3,%%tprel_hi(" #x ")\n\t"               \
  49           "addiu $3,$3,%%tprel_lo(" #x ")\n\t"          \
  50           "addu %0,%0,$3"                               \
  51           : "+r" (__result) : : "$3");                  \
  52      __result; })
  53
  54 #else
  55
  56 /* These versions are for n64.  */
  57
  58 # define TLS_LD(x)                                      \
  59   ({ void *__result;                                    \
  60      extern void *__tls_get_addr (void *);              \
  61      asm ("daddiu %0, $28, %%tlsldm(" #x ")"            \
  62           : "=r" (__result));                           \
  63      __result = __tls_get_addr (__result);              \
  64      asm ("lui $3,%%dtprel_hi(" #x ")\n\t"              \
  65           "daddiu $3,$3,%%dtprel_lo(" #x ")\n\t"        \
  66           "daddu %0,%0,$3"                              \
  67           : "+r" (__result) : : "$3");                  \
  68      __result; })
  69 # define TLS_IE(x)                                      \
  70   ({ void *__result;                                    \
  71      asm (".set push\n\t.set mips32r2\n\t"              \
  72           "rdhwr\t%0,$29\n\t.set pop"                   \
  73           : "=v" (__result));                           \
  74      asm ("ld $3,%%gottprel(" #x ")($28)\n\t"           \
  75           "daddu %0,%0,$3"                              \
  76           : "+r" (__result) : : "$3");                  \
  77      __result; })
  78 # define TLS_LE(x)                                      \
  79   ({ void *__result;                                    \
  80      asm (".set push\n\t.set mips32r2\n\t"              \
  81           "rdhwr\t%0,$29\n\t.set pop"                   \
  82           : "=v" (__result));                           \
  83      asm ("lui $3,%%tprel_hi(" #x ")\n\t"               \
  84           "daddiu $3,$3,%%tprel_lo(" #x ")\n\t"         \
  85           "daddu %0,%0,$3"                              \
  86           : "+r" (__result) : : "$3");                  \
  87      __result; })
  88 #endif