/* SPARC-specific values for a.out files */ #define PAGE_SIZE 0x2000 /* 8K. aka NBPG in <sys/param.h> */ /* Note that some SPARCs have 4K pages, some 8K, some others. */ #define SEG_SIZE_SPARC PAGE_SIZE #define SEG_SIZE_SUN3 0x20000 /* Resolution of r/w protection hw */ #define TEXT_START_ADDR PAGE_SIZE /* Location 0 is not accessible */ #define N_HEADER_IN_TEXT(x) 1 /* Non-default definitions of the accessor macros... */ /* Segment size varies on Sun-3 versus Sun-4. */ #define N_SEGSIZE(x) (N_MACHTYPE(x) == M_SPARC? SEG_SIZE_SPARC: \ N_MACHTYPE(x) == M_68020? SEG_SIZE_SUN3: \ /* Guess? */ PAGE_SIZE) /* Virtual Address of text segment from the a.out file. For OMAGIC, (almost always "unlinked .o's" these days), should be zero. Sun added a kludge so that shared libraries linked ZMAGIC get an address of zero if a_entry (!!!) is lower than the otherwise expected text address. These kludges have gotta go! For linked files, should reflect reality if we know it. */ #define N_TXTADDR(x) \ (N_MAGIC(x)==OMAGIC? 0 \ : (N_MAGIC(x) == ZMAGIC && (x).a_entry < TEXT_START_ADDR)? 0 \ : TEXT_START_ADDR+EXEC_BYTES_SIZE)