binutils-gdb/opcodes/arm-opc.h
2005-05-07 07:34:31 +00:00

41 lines
1.5 KiB
C

/* Disassembler definitions for ARM.
Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
2004 Free Software Foundation, Inc.
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, 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. */
struct arm_opcode
{
unsigned long arch; /* Architecture defining this insn. */
unsigned long value, mask; /* Recognise insn if (op&mask)==value. */
char *assembler; /* How to disassemble this insn. */
};
struct thumb_opcode
{
unsigned long arch; /* Architecture defining this insn. */
unsigned short value, mask; /* Recognise insn if (op&mask)==value. */
char * assembler; /* How to disassemble this insn. */
};
#define BDISP(x) ((((x) & 0xffffff) ^ 0x800000) - 0x800000) /* 26 bit */
#define BDISP23(x) ((((((x) & 0x07ff) << 11) | (((x) & 0x07ff0000) >> 16)) \
^ 0x200000) - 0x200000) /* 23bit */