1 /* Copyright (C) 1995-2021 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. */ 163 int ppc_linux_target_wordsize (int tid); 164 165 #endif /* NAT_PPC_LINUX_H */ 166