arch/h8300/include/asm/flat.h

   1 /*
   2  * include/asm-h8300/flat.h -- uClinux flat-format executables
   3  */
   4
   5 #ifndef __H8300_FLAT_H__
   6 #define __H8300_FLAT_H__
   7
   8 #define flat_stack_align(sp)                    /* nothing needed */
   9 #define flat_argvp_envp_on_stack()              1
  10 #define flat_old_ram_flag(flags)                1
  11 #define flat_reloc_valid(reloc, size)           ((reloc) <= (size))
  12 #define flat_set_persistent(relval, p)          0
  13
  14 /*
  15  * on the H8 a couple of the relocations have an instruction in the
  16  * top byte.  As there can only be 24bits of address space,  we just
  17  * always preserve that 8bits at the top,  when it isn't an instruction
  18  * is is 0 (davidm@snapgear.com)
  19  */
  20
  21 #define flat_get_relocate_addr(rel)             (rel)
  22 #define flat_get_addr_from_rp(rp, relval, flags, persistent) \
  23         (get_unaligned(rp) & ((flags & FLAT_FLAG_GOTPIC) ? 0xffffffff: 0x00ffffff))
  24 #define flat_put_addr_at_rp(rp, addr, rel) \
  25         put_unaligned (((*(char *)(rp)) << 24) | ((addr) & 0x00ffffff), rp)
  26
  27 #endif /* __H8300_FLAT_H__ */