include/a.out.sun4.h

   1 /* SPARC-specific values for a.out files */
   2
   3 #define PAGE_SIZE       0x2000          /* 8K.  aka NBPG in <sys/param.h> */
   4 /* Note that some SPARCs have 4K pages, some 8K, some others.  */
   5 #define SEGMENT_SIZE    PAGE_SIZE
   6 #define TEXT_START_ADDR PAGE_SIZE       /* Location 0 is not accessible */
   7
   8 /* Non-default definitions of the accessor macros... */
   9
  10 /* Offset in a.out file of the text section.  For ZMAGIC, the text section
  11    actually includes the a.out header.  */
  12
  13 #define N_TXTOFF(x)     ( (N_MAGIC((x)) == ZMAGIC) ? 0 : EXEC_BYTES_SIZE)
  14
  15 /* Virtual Address of text segment from the a.out file.  For OMAGIC,
  16    (almost always "unlinked .o's" these days), should be zero.
  17    Sun added a kludge so that shared libraries linked ZMAGIC get
  18    an address of zero if a_entry (!!!) is lower than the otherwise
  19    expected text address.  These kludges have gotta go!
  20    For linked files, should reflect reality if we know it.  */
  21
  22 #define N_TXTADDR(x) \
  23     (N_MAGIC(x)==OMAGIC? 0 \
  24      : (N_MAGIC(x) == ZMAGIC && (x).a_entry < TEXT_START_ADDR)? 0 \
  25      : TEXT_START_ADDR)