1 /* Copyright (C) 1995-2019 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_CELL 37 #define PPC_FEATURE_CELL 0x00010000 38 #endif 39 #ifndef PPC_FEATURE_BOOKE 40 #define PPC_FEATURE_BOOKE 0x00008000 41 #endif 42 #ifndef PPC_FEATURE_HAS_DFP 43 #define PPC_FEATURE_HAS_DFP 0x00000400 /* Decimal Floating Point. */ 44 #endif 45 #ifndef PPC_FEATURE_HAS_VSX 46 #define PPC_FEATURE_HAS_VSX 0x00000080 47 #endif 48 #ifndef PPC_FEATURE_HAS_ALTIVEC 49 #define PPC_FEATURE_HAS_ALTIVEC 0x10000000 50 #endif 51 #ifndef PPC_FEATURE_HAS_SPE 52 #define PPC_FEATURE_HAS_SPE 0x00800000 53 #endif 54 #ifndef PPC_FEATURE2_DSCR 55 #define PPC_FEATURE2_DSCR 0x20000000 56 #endif 57 #ifndef PPC_FEATURE2_ARCH_2_07 58 #define PPC_FEATURE2_ARCH_2_07 0x80000000 59 #endif 60 #ifndef PPC_FEATURE2_TAR 61 #define PPC_FEATURE2_TAR 0x04000000 62 #endif 63 #ifndef PPC_FEATURE2_EBB 64 #define PPC_FEATURE2_EBB 0x10000000 65 #endif 66 #ifndef PPC_FEATURE2_HTM 67 #define PPC_FEATURE2_HTM 0x40000000 68 #endif 69 70 /* Glibc's headers don't define PTRACE_GETVRREGS so we cannot use a 71 configure time check. Some older glibc's (for instance 2.2.1) 72 don't have a specific powerpc version of ptrace.h, and fall back on 73 a generic one. In such cases, sys/ptrace.h defines 74 PTRACE_GETFPXREGS and PTRACE_SETFPXREGS to the same numbers that 75 ppc kernel's asm/ptrace.h defines PTRACE_GETVRREGS and 76 PTRACE_SETVRREGS to be. This also makes a configury check pretty 77 much useless. */ 78 79 /* These definitions should really come from the glibc header files, 80 but Glibc doesn't know about the vrregs yet. */ 81 #ifndef PTRACE_GETVRREGS 82 #define PTRACE_GETVRREGS 18 83 #define PTRACE_SETVRREGS 19 84 #endif 85 86 /* PTRACE requests for POWER7 VSX registers. */ 87 #ifndef PTRACE_GETVSXREGS 88 #define PTRACE_GETVSXREGS 27 89 #define PTRACE_SETVSXREGS 28 90 #endif 91 92 /* Similarly for the ptrace requests for getting / setting the SPE 93 registers (ev0 -- ev31, acc, and spefscr). See the description of 94 gdb_evrregset_t for details. */ 95 #ifndef PTRACE_GETEVRREGS 96 #define PTRACE_GETEVRREGS 20 97 #define PTRACE_SETEVRREGS 21 98 #endif 99 100 /* Target Address Register. */ 101 #ifndef NT_PPC_TAR 102 #define NT_PPC_TAR 0x103 103 #endif 104 105 /* Program Priority Register. */ 106 #ifndef NT_PPC_PPR 107 #define NT_PPC_PPR 0x104 108 #endif 109 110 /* Data Stream Control Register. */ 111 #ifndef NT_PPC_DSCR 112 #define NT_PPC_DSCR 0x105 113 #endif 114 115 /* Event Based Branch Registers. */ 116 #ifndef NT_PPC_EBB 117 #define NT_PPC_EBB 0x106 118 #endif 119 120 /* Performance Monitor Registers. */ 121 #ifndef NT_PPC_PMU 122 #define NT_PPC_PMU 0x107 123 #endif 124 125 /* TM checkpointed GPR Registers. */ 126 #ifndef NT_PPC_TM_CGPR 127 #define NT_PPC_TM_CGPR 0x108 128 #endif 129 130 /* TM checkpointed FPR Registers. */ 131 #ifndef NT_PPC_TM_CFPR 132 #define NT_PPC_TM_CFPR 0x109 133 #endif 134 135 /* TM checkpointed VMX Registers. */ 136 #ifndef NT_PPC_TM_CVMX 137 #define NT_PPC_TM_CVMX 0x10a 138 #endif 139 140 /* TM checkpointed VSX Registers. */ 141 #ifndef NT_PPC_TM_CVSX 142 #define NT_PPC_TM_CVSX 0x10b 143 #endif 144 145 /* TM Special Purpose Registers. */ 146 #ifndef NT_PPC_TM_SPR 147 #define NT_PPC_TM_SPR 0x10c 148 #endif 149 150 /* TM checkpointed Target Address Register. */ 151 #ifndef NT_PPC_TM_CTAR 152 #define NT_PPC_TM_CTAR 0x10d 153 #endif 154 155 /* TM checkpointed Program Priority Register. */ 156 #ifndef NT_PPC_TM_CPPR 157 #define NT_PPC_TM_CPPR 0x10e 158 #endif 159 160 /* TM checkpointed Data Stream Control Register. */ 161 #ifndef NT_PPC_TM_CDSCR 162 #define NT_PPC_TM_CDSCR 0x10f 163 #endif 164 165 /* Return the wordsize of the target, either 4 or 8 bytes. */ 166 int ppc_linux_target_wordsize (int tid); 167 168 #endif /* NAT_PPC_LINUX_H */ 169