gcc/config/i386/netbsd.h

   1 #define TARGET_OS_CPP_BUILTINS()                \
   2   do                                            \
   3     {                                           \
   4       NETBSD_OS_CPP_BUILTINS_AOUT();            \
   5     }                                           \
   6   while (0)
   7
   8 #define TARGET_VERSION fprintf (stderr, " (NetBSD/i386 a.out)");
   9
  10 /* This goes away when the math-emulator is fixed */
  11 #undef TARGET_SUBTARGET_DEFAULT
  12 #define TARGET_SUBTARGET_DEFAULT \
  13   (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)
  14
  15 #undef SUBTARGET_EXTRA_SPECS
  16 #define SUBTARGET_EXTRA_SPECS                   \
  17   { "netbsd_cpp_spec", NETBSD_CPP_SPEC },
  18
  19 #undef CPP_SPEC
  20 #define CPP_SPEC "%(netbsd_cpp_spec)"
  21
  22 \f
  23 #undef SIZE_TYPE
  24 #define SIZE_TYPE "unsigned int"
  25
  26 #undef PTRDIFF_TYPE
  27 #define PTRDIFF_TYPE "int"
  28
  29 #undef ASM_APP_ON
  30 #define ASM_APP_ON "#APP\n"
  31
  32 #undef ASM_APP_OFF
  33 #define ASM_APP_OFF "#NO_APP\n"
  34
  35 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
  36    we want to retain compatibility with older gcc versions.  */
  37 #define DEFAULT_PCC_STRUCT_RETURN 0
  38 \f
  39 /* i386 netbsd still uses old binutils that don't insert nops by default
  40    when the .align directive demands to insert extra space in the text
  41    segment.  */
  42 #undef ASM_OUTPUT_ALIGN
  43 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
  44   if ((LOG)!=0) fprintf ((FILE), "\t.align %d,0x90\n", (LOG))
  45 \f
  46 /* Profiling routines, partially copied from i386/osfrose.h.  */
  47
  48 /* Redefine this to use %eax instead of %edx.  */
  49 #undef FUNCTION_PROFILER
  50 #define FUNCTION_PROFILER(FILE, LABELNO)  \
  51 {                                                                       \
  52   if (flag_pic)                                                         \
  53     {                                                                   \
  54       fprintf (FILE, "\tcall mcount@PLT\n");                            \
  55     }                                                                   \
  56   else                                                                  \
  57     {                                                                   \
  58       fprintf (FILE, "\tcall mcount\n");                                \
  59     }                                                                   \
  60 }
  61
  62 /* Until they use ELF or something that handles dwarf2 unwinds
  63    and initialization stuff better.  */
  64 #define DWARF2_UNWIND_INFO 0
  65
  66 /* Redefine this so that it becomes "_GLOBAL_OFFSET_TABLE_" when the label
  67    prefix is added.  */
  68 #undef GOT_SYMBOL_NAME
  69 #define GOT_SYMBOL_NAME "GLOBAL_OFFSET_TABLE_"
  70
  71 /* Attempt to enable execute permissions on the stack.  */
  72 #define TRANSFER_FROM_TRAMPOLINE NETBSD_ENABLE_EXECUTE_STACK