m68hc11.h revision 130561
177298Sobrien/* m68hc11 & m68hc12 ELF support for BFD. 2130561Sobrien Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc. 377298Sobrien 477298Sobrien This file is part of BFD, the Binary File Descriptor library. 577298Sobrien 677298Sobrien This program is free software; you can redistribute it and/or modify 777298Sobrien it under the terms of the GNU General Public License as published by 877298Sobrien the Free Software Foundation; either version 2 of the License, or 977298Sobrien (at your option) any later version. 1077298Sobrien 1177298Sobrien This program is distributed in the hope that it will be useful, 1277298Sobrien but WITHOUT ANY WARRANTY; without even the implied warranty of 1377298Sobrien MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1477298Sobrien GNU General Public License for more details. 1577298Sobrien 1677298Sobrien You should have received a copy of the GNU General Public License 1777298Sobrien along with this program; if not, write to the Free Software Foundation, 1877298Sobrien Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 1977298Sobrien 2077298Sobrien#ifndef _ELF_M68HC11_H 2177298Sobrien#define _ELF_M68HC11_H 2277298Sobrien 2377298Sobrien#include "elf/reloc-macros.h" 2477298Sobrien 2577298Sobrien/* Relocation types. */ 2677298SobrienSTART_RELOC_NUMBERS (elf_m68hc11_reloc_type) 2777298Sobrien RELOC_NUMBER (R_M68HC11_NONE, 0) 2877298Sobrien RELOC_NUMBER (R_M68HC11_8, 1) 2977298Sobrien RELOC_NUMBER (R_M68HC11_HI8, 2) 3077298Sobrien RELOC_NUMBER (R_M68HC11_LO8, 3) 3177298Sobrien RELOC_NUMBER (R_M68HC11_PCREL_8, 4) 3277298Sobrien RELOC_NUMBER (R_M68HC11_16, 5) 3377298Sobrien RELOC_NUMBER (R_M68HC11_32, 6) 3477298Sobrien RELOC_NUMBER (R_M68HC11_3B, 7) 3577298Sobrien RELOC_NUMBER (R_M68HC11_PCREL_16, 8) 3677298Sobrien 3777298Sobrien /* These are GNU extensions to enable C++ vtable garbage collection. */ 3877298Sobrien RELOC_NUMBER (R_M68HC11_GNU_VTINHERIT, 9) 3977298Sobrien RELOC_NUMBER (R_M68HC11_GNU_VTENTRY, 10) 40130561Sobrien 41130561Sobrien RELOC_NUMBER (R_M68HC11_24, 11) 42130561Sobrien RELOC_NUMBER (R_M68HC11_LO16, 12) 43130561Sobrien RELOC_NUMBER (R_M68HC11_PAGE, 13) 44130561Sobrien 45130561Sobrien /* GNU extension for linker relaxation. 46130561Sobrien Mark beginning of a jump instruction (any form). */ 47130561Sobrien RELOC_NUMBER (R_M68HC11_RL_JUMP, 20) 48130561Sobrien 49130561Sobrien /* Mark beginning of Gcc relaxation group instruction. */ 50130561Sobrien RELOC_NUMBER (R_M68HC11_RL_GROUP, 21) 5177298SobrienEND_RELOC_NUMBERS (R_M68HC11_max) 5277298Sobrien 53130561Sobrien/* Processor specific flags for the ELF header e_flags field. */ 54130561Sobrien 55130561Sobrien/* ABI identification. */ 56130561Sobrien#define EF_M68HC11_ABI 0x00000000F 57130561Sobrien 58130561Sobrien/* Integers are 32-bit long. */ 59130561Sobrien#define E_M68HC11_I32 0x000000001 60130561Sobrien 61130561Sobrien/* Doubles are 64-bit long. */ 62130561Sobrien#define E_M68HC11_F64 0x000000002 63130561Sobrien 64130561Sobrien/* Uses 68HC12 memory banks. */ 65130561Sobrien#define E_M68HC12_BANKS 0x000000004 66130561Sobrien 67130561Sobrien#define EF_M68HC11_MACH_MASK 0xF0 68130561Sobrien#define EF_M68HC11_GENERIC 0x00 /* Generic 68HC12/backward compatibility. */ 69130561Sobrien#define EF_M68HC12_MACH 0x10 /* 68HC12 microcontroller. */ 70130561Sobrien#define EF_M68HCS12_MACH 0x20 /* 68HCS12 microcontroller. */ 71130561Sobrien#define EF_M68HC11_MACH(mach) ((mach) & EF_M68HC11_MACH_MASK) 72130561Sobrien 73130561Sobrien/* True if we can merge machines. A generic HC12 can work on any proc 74130561Sobrien but once we have specific code, merge is not possible. */ 75130561Sobrien#define EF_M68HC11_CAN_MERGE_MACH(mach1, mach2) \ 76130561Sobrien ((EF_M68HC11_MACH (mach1) == EF_M68HC11_MACH (mach2)) \ 77130561Sobrien || (EF_M68HC11_MACH (mach1) == EF_M68HC11_GENERIC) \ 78130561Sobrien || (EF_M68HC11_MACH (mach2) == EF_M68HC11_GENERIC)) 79130561Sobrien 80130561Sobrien#define EF_M68HC11_MERGE_MACH(mach1, mach2) \ 81130561Sobrien (((EF_M68HC11_MACH (mach1) == EF_M68HC11_MACH (mach2)) \ 82130561Sobrien || (EF_M68HC11_MACH (mach1) == EF_M68HC11_GENERIC)) ? \ 83130561Sobrien EF_M68HC11_MACH (mach2) : EF_M68HC11_MACH (mach1)) 84130561Sobrien 85130561Sobrien 86130561Sobrien/* Special values for the st_other field in the symbol table. These 87130561Sobrien are used for 68HC12 to identify far functions (must be called with 88130561Sobrien 'call' and returns with 'rtc'). */ 89130561Sobrien#define STO_M68HC12_FAR 0x80 90130561Sobrien 91130561Sobrien/* Identify interrupt handlers. This is used by the debugger to 92130561Sobrien correctly compute the stack frame. */ 93130561Sobrien#define STO_M68HC12_INTERRUPT 0x40 94130561Sobrien 9577298Sobrien#endif 96