| /* m68hc11 & m68hc12 ELF support for BFD. |
| Copyright 1999, 2000, 2001, 2002, 2010, 2012 Free Software Foundation, Inc. |
| |
| This file is part of BFD, the Binary File Descriptor library. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software Foundation, |
| Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
| |
| #ifndef _ELF_M68HC11_H |
| #define _ELF_M68HC11_H |
| |
| #include "elf/reloc-macros.h" |
| |
| /* Relocation types. */ |
| START_RELOC_NUMBERS (elf_m68hc11_reloc_type) |
| RELOC_NUMBER (R_M68HC11_NONE, 0) |
| RELOC_NUMBER (R_M68HC11_8, 1) |
| RELOC_NUMBER (R_M68HC11_HI8, 2) |
| RELOC_NUMBER (R_M68HC11_LO8, 3) |
| RELOC_NUMBER (R_M68HC11_PCREL_8, 4) |
| RELOC_NUMBER (R_M68HC11_16, 5) |
| RELOC_NUMBER (R_M68HC11_32, 6) |
| RELOC_NUMBER (R_M68HC11_3B, 7) |
| RELOC_NUMBER (R_M68HC11_PCREL_16, 8) |
| |
| /* These are GNU extensions to enable C++ vtable garbage collection. */ |
| RELOC_NUMBER (R_M68HC11_GNU_VTINHERIT, 9) |
| RELOC_NUMBER (R_M68HC11_GNU_VTENTRY, 10) |
| |
| RELOC_NUMBER (R_M68HC11_24, 11) |
| RELOC_NUMBER (R_M68HC11_LO16, 12) |
| RELOC_NUMBER (R_M68HC11_PAGE, 13) |
| |
| RELOC_NUMBER (R_M68HC12_16B, 15) |
| RELOC_NUMBER (R_M68HC12_PCREL_9, 16) |
| RELOC_NUMBER (R_M68HC12_PCREL_10, 17) |
| RELOC_NUMBER (R_M68HC12_HI8XG, 18) |
| RELOC_NUMBER (R_M68HC12_LO8XG, 19) |
| |
| /* GNU extension for linker relaxation. |
| Mark beginning of a jump instruction (any form). */ |
| RELOC_NUMBER (R_M68HC11_RL_JUMP, 20) |
| |
| /* Mark beginning of Gcc relaxation group instruction. */ |
| RELOC_NUMBER (R_M68HC11_RL_GROUP, 21) |
| END_RELOC_NUMBERS (R_M68HC11_max) |
| |
| /* Processor specific flags for the ELF header e_flags field. */ |
| |
| /* ABI identification. */ |
| #define EF_M68HC11_ABI 0x00000000F |
| |
| /* Integers are 32-bit long. */ |
| #define E_M68HC11_I32 0x000000001 |
| |
| /* Doubles are 64-bit long. */ |
| #define E_M68HC11_F64 0x000000002 |
| |
| /* Uses 68HC12 memory banks. */ |
| #define E_M68HC12_BANKS 0x000000004 |
| |
| /* XGATE ram offsetting. */ |
| #define E_M68HC11_XGATE_RAMOFFSET 0x000000100 |
| |
| #define EF_M68HC11_MACH_MASK 0xF0 |
| #define EF_M68HC11_GENERIC 0x00 /* Generic 68HC12/backward compatibility. */ |
| #define EF_M68HC12_MACH 0x10 /* 68HC12 microcontroller. */ |
| #define EF_M68HCS12_MACH 0x20 /* 68HCS12 microcontroller. */ |
| #define EF_M68HC11_MACH(mach) ((mach) & EF_M68HC11_MACH_MASK) |
| |
| /* True if we can merge machines. A generic HC12 can work on any proc |
| but once we have specific code, merge is not possible. */ |
| #define EF_M68HC11_CAN_MERGE_MACH(mach1, mach2) \ |
| ((EF_M68HC11_MACH (mach1) == EF_M68HC11_MACH (mach2)) \ |
| || (EF_M68HC11_MACH (mach1) == EF_M68HC11_GENERIC) \ |
| || (EF_M68HC11_MACH (mach2) == EF_M68HC11_GENERIC)) |
| |
| #define EF_M68HC11_MERGE_MACH(mach1, mach2) \ |
| (((EF_M68HC11_MACH (mach1) == EF_M68HC11_MACH (mach2)) \ |
| || (EF_M68HC11_MACH (mach1) == EF_M68HC11_GENERIC)) ? \ |
| EF_M68HC11_MACH (mach2) : EF_M68HC11_MACH (mach1)) |
| |
| |
| /* Special values for the st_other field in the symbol table. These |
| are used for 68HC12 to identify far functions (must be called with |
| 'call' and returns with 'rtc'). */ |
| #define STO_M68HC12_FAR 0x80 |
| |
| /* Identify interrupt handlers. This is used by the debugger to |
| correctly compute the stack frame. */ |
| #define STO_M68HC12_INTERRUPT 0x40 |
| |
| #endif |
