gnu/usr.bin/gcc2/common/tm.h

   1 /* Configuration for an i386 running 386BSD as the target machine.  */
   2
   3 /* This is tested by i386gas.h.  */
   4 #define YES_UNDERSCORES
   5
   6 #include "i386/gstabs.h"
   7
   8 /* Get perform_* macros to build libgcc.a.  */
   9 #include "i386/perform.h"
  10
  11 #undef CPP_PREDEFINES
  12 #define CPP_PREDEFINES "-Dunix -Di386 -D____386BSD____ -D__386BSD__ -DBSD_NET2"
  13
  14 /* Like the default, except no -lg.  */
  15 #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
  16
  17 #undef SIZE_TYPE
  18 #define SIZE_TYPE "unsigned int"
  19
  20 #undef PTRDIFF_TYPE
  21 #define PTRDIFF_TYPE "int"
  22
  23 #undef WCHAR_TYPE
  24 #define WCHAR_TYPE "short unsigned int"
  25
  26 #define WCHAR_UNSIGNED 1
  27
  28 #undef WCHAR_TYPE_SIZE
  29 #define WCHAR_TYPE_SIZE 16
  30
  31 /* 386BSD does have atexit.  */
  32
  33 #define HAVE_ATEXIT
  34
  35 /* Redefine this to use %eax instead of %edx.  */
  36 #undef FUNCTION_PROFILER
  37 #define FUNCTION_PROFILER(FILE, LABELNO)  \
  38 {                                                                       \
  39   if (flag_pic)                                                         \
  40     {                                                                   \
  41       fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%eax\n",              \
  42                LPREFIX, (LABELNO));                                     \
  43       fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n");                    \
  44     }                                                                   \
  45   else                                                                  \
  46     {                                                                   \
  47       fprintf (FILE, "\tmovl $%sP%d,%%eax\n", LPREFIX, (LABELNO));      \
  48       fprintf (FILE, "\tcall mcount\n");                                \
  49     }                                                                   \
  50 }
  51
  52 /* There are conflicting reports about whether this system uses
  53    a different assembler syntax.  wilson@cygnus.com says # is right.  */
  54 #undef COMMENT_BEGIN
  55 #define COMMENT_BEGIN "#"
  56
  57 #undef ASM_APP_ON
  58 #define ASM_APP_ON "#APP\n"
  59
  60 #undef ASM_APP_OFF
  61 #define ASM_APP_OFF "#NO_APP\n"
  62 \f
  63 /* The following macros are stolen from i386v4.h */
  64 /* These have to be defined to get PIC code correct */
  65
  66 /* This is how to output an element of a case-vector that is relative.
  67    This is only used for PIC code.  See comments by the `casesi' insn in
  68    i386.md for an explanation of the expression this outputs. */
  69
  70 #undef ASM_OUTPUT_ADDR_DIFF_ELT
  71 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
  72   fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)
  73
  74 /* Indicate that jump tables go in the text section.  This is
  75    necessary when compiling PIC code.  */
  76
  77 #define JUMP_TABLES_IN_TEXT_SECTION
  78
  79 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
  80    we want to retain compatibility with older gcc versions.  */
  81 #define DEFAULT_PCC_STRUCT_RETURN 0