1/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
2
3   This file is part of GDB.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18#ifndef NAT_PPC_LINUX_H
19#define NAT_PPC_LINUX_H
20
21#include <asm/ptrace.h>
22#include <asm/cputable.h>
23
24/* This sometimes isn't defined.  */
25#ifndef PT_ORIG_R3
26#define PT_ORIG_R3 34
27#endif
28#ifndef PT_TRAP
29#define PT_TRAP 40
30#endif
31
32/* The PPC_FEATURE_* defines should be provided by <asm/cputable.h>.
33   If they aren't, we can provide them ourselves (their values are fixed
34   because they are part of the kernel ABI).  They are used in the AT_HWCAP
35   entry of the AUXV.  */
36#ifndef PPC_FEATURE_BOOKE
37#define PPC_FEATURE_BOOKE 0x00008000
38#endif
39#ifndef PPC_FEATURE_HAS_DFP
40#define PPC_FEATURE_HAS_DFP	0x00000400  /* Decimal Floating Point.  */
41#endif
42#ifndef PPC_FEATURE_HAS_VSX
43#define PPC_FEATURE_HAS_VSX 0x00000080
44#endif
45#ifndef PPC_FEATURE_HAS_ALTIVEC
46#define PPC_FEATURE_HAS_ALTIVEC 0x10000000
47#endif
48#ifndef PPC_FEATURE_HAS_SPE
49#define PPC_FEATURE_HAS_SPE 0x00800000
50#endif
51#ifndef PPC_FEATURE2_DSCR
52#define PPC_FEATURE2_DSCR 0x20000000
53#endif
54#ifndef PPC_FEATURE2_ARCH_2_07
55#define PPC_FEATURE2_ARCH_2_07 0x80000000
56#endif
57#ifndef PPC_FEATURE2_TAR
58#define PPC_FEATURE2_TAR 0x04000000
59#endif
60#ifndef PPC_FEATURE2_EBB
61#define PPC_FEATURE2_EBB 0x10000000
62#endif
63#ifndef PPC_FEATURE2_HTM
64#define PPC_FEATURE2_HTM 0x40000000
65#endif
66
67/* Glibc's headers don't define PTRACE_GETVRREGS so we cannot use a
68   configure time check.  Some older glibc's (for instance 2.2.1)
69   don't have a specific powerpc version of ptrace.h, and fall back on
70   a generic one.  In such cases, sys/ptrace.h defines
71   PTRACE_GETFPXREGS and PTRACE_SETFPXREGS to the same numbers that
72   ppc kernel's asm/ptrace.h defines PTRACE_GETVRREGS and
73   PTRACE_SETVRREGS to be.  This also makes a configury check pretty
74   much useless.  */
75
76/* These definitions should really come from the glibc header files,
77   but Glibc doesn't know about the vrregs yet.  */
78#ifndef PTRACE_GETVRREGS
79#define PTRACE_GETVRREGS 18
80#define PTRACE_SETVRREGS 19
81#endif
82
83/* PTRACE requests for POWER7 VSX registers.  */
84#ifndef PTRACE_GETVSXREGS
85#define PTRACE_GETVSXREGS 27
86#define PTRACE_SETVSXREGS 28
87#endif
88
89/* Similarly for the ptrace requests for getting / setting the SPE
90   registers (ev0 -- ev31, acc, and spefscr).  See the description of
91   gdb_evrregset_t for details.  */
92#ifndef PTRACE_GETEVRREGS
93#define PTRACE_GETEVRREGS 20
94#define PTRACE_SETEVRREGS 21
95#endif
96
97/* Target Address Register.  */
98#ifndef NT_PPC_TAR
99#define NT_PPC_TAR 0x103
100#endif
101
102/* Program Priority Register.  */
103#ifndef NT_PPC_PPR
104#define NT_PPC_PPR 0x104
105#endif
106
107/* Data Stream Control Register.  */
108#ifndef NT_PPC_DSCR
109#define NT_PPC_DSCR 0x105
110#endif
111
112/* Event Based Branch Registers.  */
113#ifndef NT_PPC_EBB
114#define NT_PPC_EBB 0x106
115#endif
116
117/* Performance Monitor Registers.  */
118#ifndef NT_PPC_PMU
119#define NT_PPC_PMU 0x107
120#endif
121
122/* TM checkpointed GPR Registers.  */
123#ifndef NT_PPC_TM_CGPR
124#define NT_PPC_TM_CGPR 0x108
125#endif
126
127/* TM checkpointed FPR Registers.  */
128#ifndef NT_PPC_TM_CFPR
129#define NT_PPC_TM_CFPR 0x109
130#endif
131
132/* TM checkpointed VMX Registers.  */
133#ifndef NT_PPC_TM_CVMX
134#define NT_PPC_TM_CVMX 0x10a
135#endif
136
137/* TM checkpointed VSX Registers.  */
138#ifndef NT_PPC_TM_CVSX
139#define NT_PPC_TM_CVSX 0x10b
140#endif
141
142/* TM Special Purpose Registers.  */
143#ifndef NT_PPC_TM_SPR
144#define NT_PPC_TM_SPR 0x10c
145#endif
146
147/* TM checkpointed Target Address Register.  */
148#ifndef NT_PPC_TM_CTAR
149#define NT_PPC_TM_CTAR 0x10d
150#endif
151
152/* TM checkpointed Program Priority Register.  */
153#ifndef NT_PPC_TM_CPPR
154#define NT_PPC_TM_CPPR 0x10e
155#endif
156
157/* TM checkpointed Data Stream Control Register.  */
158#ifndef NT_PPC_TM_CDSCR
159#define NT_PPC_TM_CDSCR 0x10f
160#endif
161
162/* Return the wordsize of the target, either 4 or 8 bytes.  */
163int ppc_linux_target_wordsize (int tid);
164
165#endif /* NAT_PPC_LINUX_H */
166