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Annotation of GNUtools/cc/config/i386/386bsd.h, revision 1.1

1.1     ! root        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 -Asystem(unix) -Asystem(bsd) -Acpu(i386) -Amachine(i386)"
        !            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.  [email protected] 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: 
        !            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

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