96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
/* m68hc11 & m68hc12 ELF support for BFD.
|
||
Copyright 1999, 2000, 2001, 2002, 2010 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)
|
||
|
||
/* 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
|