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Annotation of gcc/config/i386isc.h, revision 1.1

1.1     ! root        1: /* Definitions for Intel 386 running Interactive Unix System V.
        !             2:    Specifically, this is for recent versions that support POSIX;
        !             3:    for version 2.0.2, use configuration option i386-sysv instead.  */
        !             4: 
        !             5: /* Mostly it's like AT&T Unix System V. */
        !             6: 
        !             7: #include "i386v.h"
        !             8: 
        !             9: /* Use crt0.o or crt1.o as a startup file and crtn.o as a closing file.  */
        !            10: #undef STARTFILE_SPEC
        !            11: #define STARTFILE_SPEC \
        !            12:   "%{!shlib:%{posix:%{pg:mcrtp1.o%s}%{!pg:%{p:mcrtp1.o%s}%{!p:crtp0.o%s}}}\
        !            13:    %{!posix:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}\
        !            14:    %{p:-L/lib/libp} %{pg:-L/lib/libp}}}\
        !            15:    %{shlib:%{posix:crtp1.o%s}%{!posix:crt1.o%s}} "
        !            16: 
        !            17: #define ENDFILE_SPEC "crtn.o%s"
        !            18: 
        !            19: /* Library spec */
        !            20: #undef LIB_SPEC
        !            21: #define LIB_SPEC "%{posix:-lcposix} %{shlib:-lc_s} -lc"
        !            22: 
        !            23: /* caller has to pop the extra argument passed to functions that return
        !            24:    structures. */
        !            25: 
        !            26: #undef RETURN_POPS_ARGS
        !            27: #define RETURN_POPS_ARGS(FUNTYPE,SIZE)   \
        !            28:   (TREE_CODE (FUNTYPE) == IDENTIFIER_NODE ? 0                  \
        !            29:    : (TARGET_RTD                                               \
        !            30:       && (TYPE_ARG_TYPES (FUNTYPE) == 0                                \
        !            31:          || (TREE_VALUE (tree_last (TYPE_ARG_TYPES (FUNTYPE))) \
        !            32:              == void_type_node))) ? (SIZE)                     \
        !            33:    : 0)
        !            34: /* On other 386 systems, the last line looks like this:
        !            35:    : (aggregate_value_p (FUNTYPE)) ? GET_MODE_SIZE (Pmode) : 0)  */
        !            36: 

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