gdb/aarch64-tdep.h - gdb

Data types defined

Macros defined

Source code

  1. /* Common target dependent code for GDB on AArch64 systems.

  3.    Copyright (C) 2009-2015 Free Software Foundation, Inc.
  4.    Contributed by ARM Ltd.

  6.    This file is part of GDB.

  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.

  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.

  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/>.  */


  22. #ifndef AARCH64_TDEP_H
  23. ‌#define AARCH64_TDEP_H

  25. /* Forward declarations.  */
  26. struct gdbarch;
  27. struct regset;

  29. /* AArch64 Dwarf register numbering.  */
  30. ‌#define AARCH64_DWARF_X0   0
  31. ‌#define AARCH64_DWARF_SP  31
  32. ‌#define AARCH64_DWARF_V0  64

  34. /* Register numbers of various important registers.  */
  35. ‌enum aarch64_regnum
  36. {
  37.   AARCH64_X0_REGNUM,                /* First integer register */

  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 */

  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 */

  52.   /* Other useful registers.  */

  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. };

  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

  69. /* Total number of general (X) registers.  */
  70. ‌#define AARCH64_X_REGISTER_COUNT 32

  72. /* Target-dependent structure in gdbarch.  */
  73. ‌struct gdbarch_tdep
  74. {
  75.   /* Lowest address at which instructions will appear.  */
  76.   CORE_ADDR lowest_pc;

  78.   /* Offset to PC value in jump buffer.  If this is negative, longjmp
  79.      support will be disabled.  */
  80.   int jb_pc;

  82.   /* And the size of each entry in the buf.  */
  83.   size_t jb_elt_size;

  85.   /* Types for AdvSISD registers.  */
  86.   struct type *vnq_type;
  87.   struct type *vnd_type;
  88.   struct type *vns_type;
  89.   struct type *vnh_type;
  90.   struct type *vnb_type;
  91. };

  93. #endif /* aarch64-tdep.h */