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