target-x86.c

   1 #include "symbol.h"
   2 #include "target.h"
   3 #include "machine.h"
   4
   5
   6 static void init_x86(const struct target *target)
   7 {
   8         switch (arch_os) {
   9         case OS_CYGWIN:
  10                 wchar_ctype = &ushort_ctype;
  11                 break;
  12         case OS_DARWIN:
  13                 int64_ctype = &llong_ctype;
  14                 uint64_ctype = &ullong_ctype;
  15                 wint_ctype = &int_ctype;
  16                 break;
  17         case OS_FREEBSD:
  18                 wint_ctype = &int_ctype;
  19                 break;
  20         case OS_OPENBSD:
  21                 wchar_ctype = &int_ctype;
  22                 wint_ctype = &int_ctype;
  23                 break;
  24         }
  25 }
  26
  27
  28 static void predefine_i386(const struct target *self)
  29 {
  30         predefine("__i386__", 1, "1");
  31         predefine("__i386", 1, "1");
  32         predefine_nostd("i386");
  33 }
  34
  35 const struct target target_i386 = {
  36         .mach = MACH_I386,
  37         .bitness = ARCH_LP32,
  38         .big_endian = 0,
  39         .unsigned_char = 0,
  40
  41         .wchar = &long_ctype,
  42         .bits_in_longdouble = 96,
  43         .max_fp_alignment = 4,
  44
  45         .init = init_x86,
  46         .target_64bit = &target_x86_64,
  47
  48         .predefine = predefine_i386,
  49 };
  50
  51
  52 static void predefine_x86_64(const struct target *self)
  53 {
  54         predefine("__x86_64__", 1, "1");
  55         predefine("__x86_64", 1, "1");
  56         predefine("__amd64__", 1, "1");
  57         predefine("__amd64", 1, "1");
  58 }
  59
  60 const struct target target_x86_64 = {
  61         .mach = MACH_X86_64,
  62         .bitness = ARCH_LP64,
  63         .big_endian = 0,
  64         .unsigned_char = 0,
  65         .has_int128 = 1,
  66
  67         .bits_in_longdouble = 128,
  68         .max_fp_alignment = 16,
  69
  70         .init = init_x86,
  71         .target_32bit = &target_i386,
  72
  73         .predefine = predefine_x86_64,
  74 };