sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h

   1 /* -mlong-double-64 compatibility mode macros.  */
   2
   3 #include <nldbl-abi.h>
   4 #ifndef LONG_DOUBLE_COMPAT_VERSION
   5 # error "nldbl-abi.h must define LONG_DOUBLE_COMPAT_VERSION"
   6 #endif
   7
   8 #include <shlib-compat.h>
   9 #define LONG_DOUBLE_COMPAT(lib, introduced) \
  10   SHLIB_COMPAT(lib, introduced, LONG_DOUBLE_COMPAT_VERSION)
  11 #define long_double_symbol(lib, local, symbol) \
  12   long_double_symbol_1 (lib, local, symbol, LONG_DOUBLE_COMPAT_VERSION)
  13 #ifdef SHARED
  14 # define ldbl_hidden_def(local, name) libc_hidden_ver (local, name)
  15 # define ldbl_strong_alias(name, aliasname) \
  16   strong_alias (name, __GL_##name##_##aliasname) \
  17   long_double_symbol (libc, __GL_##name##_##aliasname, aliasname);
  18 # define ldbl_weak_alias(name, aliasname) \
  19   weak_alias (name, __GL_##name##_##aliasname) \
  20   long_double_symbol (libc, __GL_##name##_##aliasname, aliasname);
  21 # define long_double_symbol_1(lib, local, symbol, version) \
  22   versioned_symbol (lib, local, symbol, version)
  23 # define ldbl_compat_symbol(lib, local, symbol, version) \
  24   compat_symbol (lib, local, symbol, LONG_DOUBLE_COMPAT_VERSION)
  25 #else
  26 # define ldbl_hidden_def(local, name) libc_hidden_def (name)
  27 # define ldbl_strong_alias(name, aliasname) strong_alias (name, aliasname)
  28 # define ldbl_weak_alias(name, aliasname) weak_alias (name, aliasname)
  29 /* Same as compat_symbol, ldbl_compat_symbol is not to be used outside
  30    '#if SHLIB_COMPAT' statement and should fail if it is.  */
  31 # define ldbl_compat_symbol(lib, local, symbol, version) \
  32   _Static_assert (0, "ldbl_compat_symbol should be used inside SHLIB_COMPAT");
  33 # ifndef __ASSEMBLER__
  34 /* Note that weak_alias cannot be used - it is defined to nothing
  35    in most of the C files.  */
  36 #  define long_double_symbol_1(lib, local, symbol, version) \
  37   _weak_alias (local, symbol)
  38 # else
  39 #  define long_double_symbol_1(lib, local, symbol, version) \
  40   weak_alias (local, symbol)
  41 # endif
  42 #endif