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Annotation of gcc/config/dpx2g.h, revision 1.1.1.2

1.1       root        1: /*
                      2:  * dpx2g.h - Bull DPX/2 200 and 300 systems (m68k, SysVr3) with gas
                      3:  */
                      4: 
                      5: #define USE_GAS
                      6: #include "dpx2.h"
                      7: 
1.1.1.2 ! root        8: #ifndef USE_COLLECT2
        !             9: /* We use set vectors for the constructors/destructors. */ 
        !            10: 
        !            11: #undef ASM_OUTPUT_CONSTRUCTOR
        !            12: #undef ASM_OUTPUT_DESTRUCTOR
        !            13: 
        !            14: /* Although the gas we use can create .ctor and .dtor sections from N_SETT
        !            15:    stabs, it does not support section directives, so we need to have the loader
        !            16:    define the lists.
        !            17:  */
        !            18: #define CTOR_LISTS_DEFINED_EXTERNALLY
        !            19: 
        !            20: /* similar to default, but allows for the table defined by ld with gcc.ifile. 
        !            21:    nptrs is always 0.  So we need to instead check that __DTOR_LIST__[1] != 0.
        !            22:    The old check is left in so that the same macro can be used if and when  
        !            23:    a future version of gas does support section directives. */
        !            24: 
        !            25: #define DO_GLOBAL_DTORS_BODY {int nptrs = *(int *)__DTOR_LIST__; int i; \
        !            26:   if (nptrs == -1 || (__DTOR_LIST__[0] == 0 && __DTOR_LIST__[1] != 0))  \
        !            27:     for (nptrs = 0; __DTOR_LIST__[nptrs + 1] != 0; nptrs++);           \
        !            28:   for (i = nptrs; i >= 1; i--)                                         \
        !            29:     __DTOR_LIST__[i] (); }
        !            30: 
        !            31: #undef STARTFILE_SPEC
        !            32: #define STARTFILE_SPEC \
        !            33:   "%{!r:gcc.ifile%s}\
        !            34:    %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}\
        !            35:   huge.o%s"
        !            36: 
        !            37: #else /* !USE_COLLECT2 */
        !            38: 
        !            39: #undef STARTFILE_SPEC
        !            40: #define STARTFILE_SPEC \
        !            41:   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}\
        !            42:   huge.o%s"
        !            43: 
        !            44: #endif /* !USE_COLLECT2 */
        !            45: 
1.1       root       46: 
                     47: /* GAS want's DBX debugging information.  */
                     48: #undef SDB_DEBUGGING_INFO
                     49: #ifndef DBX_DEBUGGING_INFO
                     50: #define DBX_DEBUGGING_INFO
                     51: #endif
                     52: 
                     53: /*
                     54:  * we are using GAS
                     55:  */
                     56: #undef EXTRA_SECTION_FUNCTIONS
                     57: #undef EXTRA_SECTIONS
1.1.1.2 ! root       58: /* Gas understands dollars in labels. */
        !            59: #undef NO_DOLLAR_IN_LABEL
        !            60: /* GAS does not understand .ident so don't output anything for #ident.  */
        !            61: #undef ASM_OUTPUT_IDENT
1.1       root       62: 
                     63: /*
                     64:  * put const's in the text section
                     65:  */
                     66: #define const_section()  text_section()
                     67: #define fini_section() while (0)
                     68:                               
                     69: #if 0                                  /* this is fixed in 2.1 */
                     70: #undef ASM_OUTPUT_ALIGN
                     71: #define ASM_OUTPUT_ALIGN(FILE,LOG)     \
                     72:   if ((LOG) >= 1)                      \
                     73:     fprintf (FILE, "\t.even\n");       
                     74: #endif
                     75: 
                     76: #undef CTORS_SECTION_ASM_OP
                     77: #define CTORS_SECTION_ASM_OP "\t.data"
                     78: #undef DTORS_SECTION_ASM_OP
                     79: #define DTORS_SECTION_ASM_OP "\t.data"
                     80: #undef INIT_SECTION_ASM_OP
                     81: 
                     82: /* end of dpx2g.h */

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