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Diffstat (limited to 'include/elf/m68hc11.h')
| -rw-r--r-- | include/elf/m68hc11.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/include/elf/m68hc11.h b/include/elf/m68hc11.h new file mode 100644 index 000000000..1902f7fa6 --- /dev/null +++ b/include/elf/m68hc11.h @@ -0,0 +1,95 @@ +/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 |