1/* Target-dependent header for the MIPS architecture, for GDB, the GNU Debugger.
2
3   Copyright 2002, 2003 Free Software Foundation, Inc.
4
5   This file is part of GDB.
6
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 2 of the License, or
10   (at your option) any later version.
11
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.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software
19   Foundation, Inc., 59 Temple Place - Suite 330,
20   Boston, MA 02111-1307, USA.  */
21
22#ifndef MIPS_TDEP_H
23#define MIPS_TDEP_H
24
25struct gdbarch;
26
27/* All the possible MIPS ABIs. */
28enum mips_abi
29  {
30    MIPS_ABI_UNKNOWN = 0,
31    MIPS_ABI_N32,
32    MIPS_ABI_O32,
33    MIPS_ABI_N64,
34    MIPS_ABI_O64,
35    MIPS_ABI_EABI32,
36    MIPS_ABI_EABI64,
37    MIPS_ABI_LAST
38  };
39
40/* Return the MIPS ABI associated with GDBARCH.  */
41enum mips_abi mips_abi (struct gdbarch *gdbarch);
42
43/* For wince :-(.  */
44extern CORE_ADDR mips_next_pc (CORE_ADDR pc);
45
46/* Return the "MIPS" register size.  Just a short cut to the BFD
47   architecture's word size.  */
48extern int mips_regsize (struct gdbarch *gdbarch);
49
50/* Return the current index for various MIPS registers.  */
51struct mips_regnum
52{
53  int pc;
54  int fp0;
55  int fp_implementation_revision;
56  int fp_control_status;
57  int badvaddr;		/* Bad vaddr for addressing exception.  */
58  int cause;		/* Describes last exception.  */
59  int hi;		/* Multiply/divide temp.  */
60  int lo;		/* ...  */
61};
62extern const struct mips_regnum *mips_regnum (struct gdbarch *gdbarch);
63
64enum {
65  MIPS_S0_REGNUM = 16,
66  MIPS_S1_REGNUM = 17,
67  MIPS_S2_REGNUM = 18,
68  MIPS_S3_REGNUM = 19,
69  MIPS_S4_REGNUM = 20,
70  MIPS_S5_REGNUM = 21,
71  MIPS_S6_REGNUM = 22,
72  MIPS_S7_REGNUM = 23,
73  MIPS_SP_REGNUM = 29,
74  MIPS_FP_REGNUM = 30,
75  MIPS_RA_REGNUM = 31,
76  MIPS_EMBED_LO_REGNUM = 33,
77  MIPS_EMBED_HI_REGNUM = 34,
78  MIPS_EMBED_BADVADDR_REGNUM = 35,
79  MIPS_EMBED_CAUSE_REGNUM = 36,
80  MIPS_EMBED_PC_REGNUM = 37,
81  MIPS_EMBED_FP0_REGNUM = 40
82};
83
84/* Defined in mips-tdep.c and used in remote-mips.c */
85extern void deprecated_mips_set_processor_regs_hack (void);
86
87
88#endif /* MIPS_TDEP_H */
89