sysdeps/ia64/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_LE(x) \
   6   ({ void *__l;                                                               \
   7      asm ("mov r2=r13\n\t"                                                    \
   8          ";;\n\t"                                                             \
   9          "addl %0=@tprel(" #x "),r2\n\t"                                      \
  10          : "=r" (__l) : : "r2"  ); __l; })
  11
  12 # define TLS_IE(x) \
  13   ({ void *__l;                                                               \
  14      register long __gp asm ("gp");                                           \
  15      asm (";;\n\t"                                                            \
  16          "addl r16=@ltoff(@tprel(" #x ")),gp\n\t"                             \
  17          ";;\n\t"                                                             \
  18          "ld8 r17=[r16]\n\t"                                                  \
  19          ";;\n\t"                                                             \
  20          "add %0=r13,r17\n\t"                                                 \
  21          ";;\n\t"                                                             \
  22          : "=r" (__l) : "r" (__gp) : "r16", "r17" ); __l; })
  23
  24 # define __TLS_CALL_CLOBBERS \
  25   "r2", "r3", "r8", "r9", "r10", "r11", "r14", "r15", "r16", "r17",           \
  26   "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26",              \
  27   "r27", "r28", "r29", "r30", "r31",                                          \
  28   "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15",           \
  29   "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",           \
  30   "b6", "b7",                                                                 \
  31   "out0", "out1", "out2", "out3", "out4", "out5", "out6", "out7"
  32
  33 # define TLS_LD(x) \
  34   ({ void *__l;                                                               \
  35      register long __gp asm ("gp");                                           \
  36      asm (";;\n\t"                                                            \
  37          "mov loc0=gp\n\t"                                                    \
  38          "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t"                            \
  39          "addl out1=@dtprel(" #x "),r0\n\t"                                   \
  40          ";;\n\t"                                                             \
  41          "ld8 out0=[r16]\n\t"                                                 \
  42          "br.call.sptk.many b0=__tls_get_addr"                                \
  43          ";;\n\t"                                                             \
  44          "mov gp=loc0\n\t"                                                    \
  45          "mov %0=r8\n\t"                                                      \
  46          ";;\n\t"                                                             \
  47          : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS);            \
  48      __l; })
  49
  50 # define TLS_GD(x) \
  51   ({ void *__l;                                                               \
  52      register long __gp asm ("gp");                                           \
  53      asm (";;\n\t"                                                            \
  54          "mov loc0=gp\n\t"                                                    \
  55          "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t"                            \
  56          "addl r17=@ltoff(@dtprel(" #x ")),gp\n\t"                            \
  57          ";;\n\t"                                                             \
  58          "ld8 out0=[r16]\n\t"                                                 \
  59          "ld8 out1=[r17]\n\t"                                                 \
  60          "br.call.sptk.many b0=__tls_get_addr"                                \
  61          ";;\n\t"                                                             \
  62          "mov gp=loc0\n\t"                                                    \
  63          "mov %0=r8\n\t"                                                      \
  64          ";;\n\t"                                                             \
  65           : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS);           \
  66      __l; })