155 lines
4.7 KiB
C
155 lines
4.7 KiB
C
/* s390.h -- Header file for S390 opcode table
|
|
Copyright (C) 2000-2014 Free Software Foundation, Inc.
|
|
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
|
|
|
|
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 S390_H
|
|
#define S390_H
|
|
|
|
/* List of instruction sets variations. */
|
|
|
|
enum s390_opcode_mode_val
|
|
{
|
|
S390_OPCODE_ESA = 0,
|
|
S390_OPCODE_ZARCH
|
|
};
|
|
|
|
enum s390_opcode_cpu_val
|
|
{
|
|
S390_OPCODE_G5 = 0,
|
|
S390_OPCODE_G6,
|
|
S390_OPCODE_Z900,
|
|
S390_OPCODE_Z990,
|
|
S390_OPCODE_Z9_109,
|
|
S390_OPCODE_Z9_EC,
|
|
S390_OPCODE_Z10,
|
|
S390_OPCODE_Z196,
|
|
S390_OPCODE_ZEC12,
|
|
S390_OPCODE_MAXCPU
|
|
};
|
|
|
|
/* The opcode table is an array of struct s390_opcode. */
|
|
|
|
struct s390_opcode
|
|
{
|
|
/* The opcode name. */
|
|
const char * name;
|
|
|
|
/* The opcode itself. Those bits which will be filled in with
|
|
operands are zeroes. */
|
|
unsigned char opcode[6];
|
|
|
|
/* The opcode mask. This is used by the disassembler. This is a
|
|
mask containing ones indicating those bits which must match the
|
|
opcode field, and zeroes indicating those bits which need not
|
|
match (and are presumably filled in by operands). */
|
|
unsigned char mask[6];
|
|
|
|
/* The opcode length in bytes. */
|
|
int oplen;
|
|
|
|
/* An array of operand codes. Each code is an index into the
|
|
operand table. They appear in the order which the operands must
|
|
appear in assembly code, and are terminated by a zero. */
|
|
unsigned char operands[6];
|
|
|
|
/* Bitmask of execution modes this opcode is available for. */
|
|
unsigned int modes;
|
|
|
|
/* First cpu this opcode is available for. */
|
|
enum s390_opcode_cpu_val min_cpu;
|
|
};
|
|
|
|
/* The table itself is sorted by major opcode number, and is otherwise
|
|
in the order in which the disassembler should consider
|
|
instructions. */
|
|
extern const struct s390_opcode s390_opcodes[];
|
|
extern const int s390_num_opcodes;
|
|
|
|
/* A opcode format table for the .insn pseudo mnemonic. */
|
|
extern const struct s390_opcode s390_opformats[];
|
|
extern const int s390_num_opformats;
|
|
|
|
/* Values defined for the flags field of a struct powerpc_opcode. */
|
|
|
|
/* The operands table is an array of struct s390_operand. */
|
|
|
|
struct s390_operand
|
|
{
|
|
/* The number of bits in the operand. */
|
|
int bits;
|
|
|
|
/* How far the operand is left shifted in the instruction. */
|
|
int shift;
|
|
|
|
/* One bit syntax flags. */
|
|
unsigned long flags;
|
|
};
|
|
|
|
/* Elements in the table are retrieved by indexing with values from
|
|
the operands field of the powerpc_opcodes table. */
|
|
|
|
extern const struct s390_operand s390_operands[];
|
|
|
|
/* Values defined for the flags field of a struct s390_operand. */
|
|
|
|
/* This operand names a register. The disassembler uses this to print
|
|
register names with a leading 'r'. */
|
|
#define S390_OPERAND_GPR 0x1
|
|
|
|
/* This operand names a floating point register. The disassembler
|
|
prints these with a leading 'f'. */
|
|
#define S390_OPERAND_FPR 0x2
|
|
|
|
/* This operand names an access register. The disassembler
|
|
prints these with a leading 'a'. */
|
|
#define S390_OPERAND_AR 0x4
|
|
|
|
/* This operand names a control register. The disassembler
|
|
prints these with a leading 'c'. */
|
|
#define S390_OPERAND_CR 0x8
|
|
|
|
/* This operand is a displacement. */
|
|
#define S390_OPERAND_DISP 0x10
|
|
|
|
/* This operand names a base register. */
|
|
#define S390_OPERAND_BASE 0x20
|
|
|
|
/* This operand names an index register, it can be skipped. */
|
|
#define S390_OPERAND_INDEX 0x40
|
|
|
|
/* This operand is a relative branch displacement. The disassembler
|
|
prints these symbolically if possible. */
|
|
#define S390_OPERAND_PCREL 0x80
|
|
|
|
/* This operand takes signed values. */
|
|
#define S390_OPERAND_SIGNED 0x100
|
|
|
|
/* This operand is a length. */
|
|
#define S390_OPERAND_LENGTH 0x200
|
|
|
|
/* This operand is optional. Only a single operand at the end of
|
|
the instruction may be optional. */
|
|
#define S390_OPERAND_OPTIONAL 0x400
|
|
|
|
/* The operand needs to be a valid GP or FP register pair. */
|
|
#define S390_OPERAND_REG_PAIR 0x800
|
|
|
|
#endif /* S390_H */
|