| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 13 | /* |
| 14 | * on the H8 a couple of the relocations have an instruction in the |
| 15 | * top byte. As there can only be 24bits of address space, we just |
| 16 | * always preserve that 8bits at the top, when it isn't an instruction |
| 17 | * is is 0 (davidm@snapgear.com) |
| 18 | */ |
| 19 | |
| 20 | #define flat_get_relocate_addr(rel) (rel) |
| 21 | #define flat_get_addr_from_rp(rp, relval, flags) \ |
| 22 | (get_unaligned(rp) & ((flags & FLAT_FLAG_GOTPIC) ? 0xffffffff: 0x00ffffff)) |
| 23 | #define flat_put_addr_at_rp(rp, addr, rel) \ |
| 24 | put_unaligned (((*(char *)(rp)) << 24) | ((addr) & 0x00ffffff), rp) |
| 25 | |
| 26 | #endif /* __H8300_FLAT_H__ */ |