/* Common target dependent code for GDB on AArch64 systems. Copyright (C) 2009-2014 Free Software Foundation, Inc. Contributed by ARM Ltd. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef AARCH64_TDEP_H #define AARCH64_TDEP_H /* Forward declarations. */ struct gdbarch; struct regset; /* AArch64 Dwarf register numbering. */ #define AARCH64_DWARF_X0 0 #define AARCH64_DWARF_SP 31 #define AARCH64_DWARF_V0 64 /* Register numbers of various important registers. */ enum aarch64_regnum { AARCH64_X0_REGNUM, /* First integer register */ /* Frame register in AArch64 code, if used. */ AARCH64_FP_REGNUM = AARCH64_X0_REGNUM + 29, AARCH64_LR_REGNUM = AARCH64_X0_REGNUM + 30, /* Return address */ AARCH64_SP_REGNUM, /* Stack pointer */ AARCH64_PC_REGNUM, /* Program counter */ AARCH64_CPSR_REGNUM, /* Contains status register */ AARCH64_V0_REGNUM, /* First floating point / vector register */ /* Last floating point / vector register */ AARCH64_V31_REGNUM = AARCH64_V0_REGNUM + 31, AARCH64_FPSR_REGNUM, /* Floating point status register */ AARCH64_FPCR_REGNUM, /* Floating point control register */ /* Other useful registers. */ /* Last integer-like argument */ AARCH64_LAST_X_ARG_REGNUM = AARCH64_X0_REGNUM + 7, AARCH64_STRUCT_RETURN_REGNUM = AARCH64_X0_REGNUM + 8, AARCH64_LAST_V_ARG_REGNUM = AARCH64_V0_REGNUM + 7 }; /* Size of integer registers. */ #define X_REGISTER_SIZE 8 #define B_REGISTER_SIZE 1 #define H_REGISTER_SIZE 2 #define S_REGISTER_SIZE 4 #define D_REGISTER_SIZE 8 #define V_REGISTER_SIZE 16 #define Q_REGISTER_SIZE 16 /* Total number of general (X) registers. */ #define AARCH64_X_REGISTER_COUNT 32 /* Target-dependent structure in gdbarch. */ struct gdbarch_tdep { /* Lowest address at which instructions will appear. */ CORE_ADDR lowest_pc; /* Offset to PC value in jump buffer. If this is negative, longjmp support will be disabled. */ int jb_pc; /* And the size of each entry in the buf. */ size_t jb_elt_size; /* Cached core file helpers. */ struct regset *gregset; struct regset *fpregset; /* Types for AdvSISD registers. */ struct type *vnq_type; struct type *vnd_type; struct type *vns_type; struct type *vnh_type; struct type *vnb_type; }; #endif /* aarch64-tdep.h */