/* m68hc11 & m68hc12 ELF support for BFD. Copyright 1999, 2000, 2001, 2002 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 2 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) /* 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 #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