| 1 | /* Copyright (C) 1995-2018 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 PPC_LINUX_H |
| 19 | #define PPC_LINUX_H 1 |
| 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 | |
| 55 | /* Glibc's headers don't define PTRACE_GETVRREGS so we cannot use a |
| 56 | configure time check. Some older glibc's (for instance 2.2.1) |
| 57 | don't have a specific powerpc version of ptrace.h, and fall back on |
| 58 | a generic one. In such cases, sys/ptrace.h defines |
| 59 | PTRACE_GETFPXREGS and PTRACE_SETFPXREGS to the same numbers that |
| 60 | ppc kernel's asm/ptrace.h defines PTRACE_GETVRREGS and |
| 61 | PTRACE_SETVRREGS to be. This also makes a configury check pretty |
| 62 | much useless. */ |
| 63 | |
| 64 | /* These definitions should really come from the glibc header files, |
| 65 | but Glibc doesn't know about the vrregs yet. */ |
| 66 | #ifndef PTRACE_GETVRREGS |
| 67 | #define PTRACE_GETVRREGS 18 |
| 68 | #define PTRACE_SETVRREGS 19 |
| 69 | #endif |
| 70 | |
| 71 | /* PTRACE requests for POWER7 VSX registers. */ |
| 72 | #ifndef PTRACE_GETVSXREGS |
| 73 | #define PTRACE_GETVSXREGS 27 |
| 74 | #define PTRACE_SETVSXREGS 28 |
| 75 | #endif |
| 76 | |
| 77 | /* Similarly for the ptrace requests for getting / setting the SPE |
| 78 | registers (ev0 -- ev31, acc, and spefscr). See the description of |
| 79 | gdb_evrregset_t for details. */ |
| 80 | #ifndef PTRACE_GETEVRREGS |
| 81 | #define PTRACE_GETEVRREGS 20 |
| 82 | #define PTRACE_SETEVRREGS 21 |
| 83 | #endif |
| 84 | |
| 85 | /* Return the wordsize of the target, either 4 or 8 bytes. */ |
| 86 | int ppc_linux_target_wordsize (int tid); |
| 87 | |
| 88 | #endif |