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Annotation of GNUtools/cctools/include/stuff/best_arch.h, revision 1.1

1.1     ! root        1: #include <mach/machine.h>
        !             2: 
        !             3: /*
        !             4:  * cpusubtype_findbestarch() is passed a cputype and cpusubtype and a set of
        !             5:  * fat_arch structs and selects the best one that matches (if any) and returns
        !             6:  * a pointer to that fat_arch struct (or NULL).  The fat_arch structs must be
        !             7:  * in the host byte sex and correct such that the fat_archs really points to
        !             8:  * enough memory for nfat_arch structs.  It is possible that this routine could
        !             9:  * fail if new cputypes or cpusubtypes are added and an old version of this
        !            10:  * routine is used.  But if there is an exact match between the cputype and
        !            11:  * cpusubtype and one of the fat_arch structs this routine will always succeed.
        !            12:  */
        !            13: extern struct fat_arch * cpusubtype_findbestarch(
        !            14:     cpu_type_t cputype,
        !            15:     cpu_subtype_t cpusubtype,
        !            16:     struct fat_arch *fat_archs,
        !            17:     unsigned long nfat_archs);
        !            18: 
        !            19: /*
        !            20:  * cpusubtype_combine() returns the resulting cpusubtype when combining two
        !            21:  * differnet cpusubtypes for the specified cputype.  If the two cpusubtypes
        !            22:  * can't be combined (the specific subtypes are mutually exclusive) -1 is
        !            23:  * returned indicating it is an error to combine them.  This can also fail and
        !            24:  * return -1 if new cputypes or cpusubtypes are added and an old version of
        !            25:  * this routine is used.  But if the cpusubtypes are the same they can always
        !            26:  * be combined and this routine will return the cpusubtype pass in.
        !            27:  */
        !            28: extern cpu_subtype_t cpusubtype_combine(
        !            29:     cpu_type_t cputype,
        !            30:     cpu_subtype_t cpusubtype1,
        !            31:     cpu_subtype_t cpusubtype2);

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