| 1 | /* Common target dependent code for GNU/Linux on PPC systems. |
| 2 | |
| 3 | Copyright (C) 2018-2019 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #ifndef ARCH_PPC_LINUX_COMMON_H |
| 21 | #define ARCH_PPC_LINUX_COMMON_H |
| 22 | |
| 23 | struct target_desc; |
| 24 | |
| 25 | /* The core file VMX regset has 34 16-byte fields (32 16-byte vector |
| 26 | registers, plus two fields containing 4-byte registers, VSCR and |
| 27 | VRSAVE), while the ptrace calls return or read 33 16-byte fields |
| 28 | plus a 4-byte field for VRSAVE. For simplicity we use the longer |
| 29 | length for both cases. */ |
| 30 | #define PPC_LINUX_SIZEOF_VRREGSET 544 |
| 31 | |
| 32 | #define PPC_LINUX_SIZEOF_VSXREGSET 256 |
| 33 | #define PPC_LINUX_SIZEOF_PPRREGSET 8 |
| 34 | #define PPC_LINUX_SIZEOF_DSCRREGSET 8 |
| 35 | #define PPC_LINUX_SIZEOF_TARREGSET 8 |
| 36 | #define PPC_LINUX_SIZEOF_EBBREGSET (3*8) |
| 37 | #define PPC_LINUX_SIZEOF_PMUREGSET (5*8) |
| 38 | #define PPC_LINUX_SIZEOF_TM_SPRREGSET (3*8) |
| 39 | #define PPC32_LINUX_SIZEOF_CGPRREGSET (48*4) |
| 40 | #define PPC64_LINUX_SIZEOF_CGPRREGSET (48*8) |
| 41 | #define PPC_LINUX_SIZEOF_CFPRREGSET (32*8+8) |
| 42 | #define PPC_LINUX_SIZEOF_CVMXREGSET (34*16) |
| 43 | #define PPC_LINUX_SIZEOF_CVSXREGSET (32*8) |
| 44 | #define PPC_LINUX_SIZEOF_CPPRREGSET 8 |
| 45 | #define PPC_LINUX_SIZEOF_CDSCRREGSET 8 |
| 46 | #define PPC_LINUX_SIZEOF_CTARREGSET 8 |
| 47 | |
| 48 | /* Check if the hwcap auxv entry indicates that isa205 is supported. */ |
| 49 | bool ppc_linux_has_isa205 (CORE_ADDR hwcap); |
| 50 | |
| 51 | /* Features used to determine the target description. */ |
| 52 | struct ppc_linux_features |
| 53 | { |
| 54 | unsigned int wordsize; |
| 55 | bool altivec; |
| 56 | bool vsx; |
| 57 | bool isa205; |
| 58 | bool ppr_dscr; |
| 59 | bool isa207; |
| 60 | bool htm; |
| 61 | }; |
| 62 | |
| 63 | /* Base value for ppc_linux_features variables. */ |
| 64 | const struct ppc_linux_features ppc_linux_no_features = { |
| 65 | 0, |
| 66 | false, |
| 67 | false, |
| 68 | false, |
| 69 | false, |
| 70 | false, |
| 71 | false, |
| 72 | }; |
| 73 | |
| 74 | /* Return a target description that matches FEATURES. */ |
| 75 | const struct target_desc * ppc_linux_match_description |
| 76 | (struct ppc_linux_features features); |
| 77 | |
| 78 | #endif /* ARCH_PPC_LINUX_COMMON_H */ |