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| 1 /* Common target dependent code for GDB on AArch64 systems. |
| 2 |
| 3 Copyright (C) 2009-2013 Free Software Foundation, Inc. |
| 4 Contributed by ARM Ltd. |
| 5 |
| 6 This file is part of GDB. |
| 7 |
| 8 This program is free software; you can redistribute it and/or modify |
| 9 it under the terms of the GNU General Public License as published by |
| 10 the Free Software Foundation; either version 3 of the License, or |
| 11 (at your option) any later version. |
| 12 |
| 13 This program is distributed in the hope that it will be useful, |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 GNU General Public License for more details. |
| 17 |
| 18 You should have received a copy of the GNU General Public License |
| 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 20 |
| 21 |
| 22 #ifndef AARCH64_TDEP_H |
| 23 #define AARCH64_TDEP_H |
| 24 |
| 25 /* Forward declarations. */ |
| 26 struct gdbarch; |
| 27 struct regset; |
| 28 |
| 29 /* AArch64 Dwarf register numbering. */ |
| 30 #define AARCH64_DWARF_X0 0 |
| 31 #define AARCH64_DWARF_SP 31 |
| 32 #define AARCH64_DWARF_V0 64 |
| 33 |
| 34 /* Register numbers of various important registers. */ |
| 35 enum aarch64_regnum |
| 36 { |
| 37 AARCH64_X0_REGNUM, /* First integer register */ |
| 38 |
| 39 /* Frame register in AArch64 code, if used. */ |
| 40 AARCH64_FP_REGNUM = AARCH64_X0_REGNUM + 29, |
| 41 AARCH64_LR_REGNUM = AARCH64_X0_REGNUM + 30, /* Return address */ |
| 42 AARCH64_SP_REGNUM, /* Stack pointer */ |
| 43 AARCH64_PC_REGNUM, /* Program counter */ |
| 44 AARCH64_CPSR_REGNUM, /* Contains status register */ |
| 45 AARCH64_V0_REGNUM, /* First floating point / vector register */ |
| 46 |
| 47 /* Last floating point / vector register */ |
| 48 AARCH64_V31_REGNUM = AARCH64_V0_REGNUM + 31, |
| 49 AARCH64_FPSR_REGNUM, /* Floating point status register */ |
| 50 AARCH64_FPCR_REGNUM, /* Floating point control register */ |
| 51 |
| 52 /* Other useful registers. */ |
| 53 |
| 54 /* Last integer-like argument */ |
| 55 AARCH64_LAST_X_ARG_REGNUM = AARCH64_X0_REGNUM + 7, |
| 56 AARCH64_STRUCT_RETURN_REGNUM = AARCH64_X0_REGNUM + 8, |
| 57 AARCH64_LAST_V_ARG_REGNUM = AARCH64_V0_REGNUM + 7 |
| 58 }; |
| 59 |
| 60 /* Size of integer registers. */ |
| 61 #define X_REGISTER_SIZE 8 |
| 62 #define B_REGISTER_SIZE 1 |
| 63 #define H_REGISTER_SIZE 2 |
| 64 #define S_REGISTER_SIZE 4 |
| 65 #define D_REGISTER_SIZE 8 |
| 66 #define V_REGISTER_SIZE 16 |
| 67 #define Q_REGISTER_SIZE 16 |
| 68 |
| 69 /* Total number of general (X) registers. */ |
| 70 #define AARCH64_X_REGISTER_COUNT 32 |
| 71 |
| 72 /* Target-dependent structure in gdbarch. */ |
| 73 struct gdbarch_tdep |
| 74 { |
| 75 /* Lowest address at which instructions will appear. */ |
| 76 CORE_ADDR lowest_pc; |
| 77 |
| 78 /* Offset to PC value in jump buffer. If this is negative, longjmp |
| 79 support will be disabled. */ |
| 80 int jb_pc; |
| 81 |
| 82 /* And the size of each entry in the buf. */ |
| 83 size_t jb_elt_size; |
| 84 |
| 85 /* Cached core file helpers. */ |
| 86 struct regset *gregset; |
| 87 struct regset *fpregset; |
| 88 |
| 89 /* Types for AdvSISD registers. */ |
| 90 struct type *vnq_type; |
| 91 struct type *vnd_type; |
| 92 struct type *vns_type; |
| 93 struct type *vnh_type; |
| 94 struct type *vnb_type; |
| 95 }; |
| 96 |
| 97 #endif /* aarch64-tdep.h */ |
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