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[binutils-gdb.git] / gdb / z80-tdep.h
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1 /* Target-dependent code for the Z80.
3 Copyright (C) 2002-2023 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 #ifndef Z80_TDEP_H
21 #define Z80_TDEP_H
23 /* Register pair constants
24 Order optimized for gdb-stub implementation
25 Most of register pairs are 16 bit length on Z80 and
26 24 bit on eZ80 in ADL or MADL modes */
27 enum z80_regnum
29 Z80_AF_REGNUM,
30 Z80_BC_REGNUM,
31 Z80_DE_REGNUM,
32 Z80_HL_REGNUM,
33 Z80_SP_REGNUM, /* SPL on eZ80 CPU */
34 Z80_PC_REGNUM,
35 Z80_IX_REGNUM,
36 Z80_IY_REGNUM,
37 Z80_AFA_REGNUM,
38 Z80_BCA_REGNUM,
39 Z80_DEA_REGNUM,
40 Z80_HLA_REGNUM,
41 Z80_IR_REGNUM,
42 /* eZ80 only registers */
43 Z80_SPS_REGNUM /* SPS register of eZ80 CPU */
46 #define Z80_NUM_REGS 13
47 #define Z80_REG_BYTES (Z80_NUM_REGS*2)
49 #define EZ80_NUM_REGS (Z80_NUM_REGS + 1)
50 #define EZ80_REG_BYTES (EZ80_NUM_REGS*3)
52 #endif /* z80-tdep.h */