gdb/arc-tdep.h

   1 /* Target dependent code for ARC arhitecture, for GDB.
   2
   3    Copyright 2005-2016 Free Software Foundation, Inc.
   4    Contributed by Synopsys Inc.
   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 #ifndef ARC_TDEP_H
  22 #define ARC_TDEP_H
  23
  24 /* Need disassemble_info.  */
  25 #include "dis-asm.h"
  26
  27 enum arc_regnum
  28   {
  29     /* Core registers.  */
  30     ARC_R0_REGNUM = 0,
  31     ARC_FIRST_CORE_REGNUM = ARC_R0_REGNUM,
  32     ARC_R1_REGNUM = 1,
  33     ARC_R4_REGNUM = 4,
  34     ARC_R7_REGNUM = 7,
  35     ARC_R9_REGNUM = 9,
  36     ARC_R13_REGNUM = 13,
  37     ARC_R16_REGNUM = 16,
  38     ARC_R25_REGNUM = 25,
  39     /* Global data pointer.  */
  40     ARC_GP_REGNUM,
  41     /* Frame pointer.  */
  42     ARC_FP_REGNUM,
  43     /* Stack pointer.  */
  44     ARC_SP_REGNUM,
  45     /* Return address from interrupt.  */
  46     ARC_ILINK_REGNUM,
  47     ARC_R30_REGNUM,
  48     /* Return address from function.  */
  49     ARC_BLINK_REGNUM,
  50     /* Zero-delay loop counter.  */
  51     ARC_LP_COUNT_REGNUM = 60,
  52     /* Program counter, aligned to 4-bytes, read-only.  */
  53     ARC_PCL_REGNUM,
  54     ARC_LAST_CORE_REGNUM = ARC_PCL_REGNUM,
  55     /* AUX registers.  */
  56     /* Actual program counter.  */
  57     ARC_PC_REGNUM,
  58     ARC_FIRST_AUX_REGNUM = ARC_PC_REGNUM,
  59     /* Status register.  */
  60     ARC_STATUS32_REGNUM,
  61     ARC_LAST_REGNUM = ARC_STATUS32_REGNUM,
  62     ARC_LAST_AUX_REGNUM = ARC_STATUS32_REGNUM,
  63
  64     /* Additional ABI constants.  */
  65     ARC_FIRST_ARG_REGNUM = ARC_R0_REGNUM,
  66     ARC_LAST_ARG_REGNUM = ARC_R7_REGNUM,
  67     ARC_FIRST_CALLEE_SAVED_REGNUM = ARC_R13_REGNUM,
  68     ARC_LAST_CALLEE_SAVED_REGNUM = ARC_R25_REGNUM,
  69   };
  70
  71 /* Number of bytes in ARC register.  All ARC registers are considered 32-bit.
  72    Those registers, which are actually shorter has zero-on-read for extra bits.
  73    Longer registers are represented as pairs of 32-bit registers.  */
  74 #define ARC_REGISTER_SIZE  4
  75
  76 #define arc_print(fmt, args...) fprintf_unfiltered (gdb_stdlog, fmt, ##args)
  77
  78 extern int arc_debug;
  79
  80 /* Utility functions used by other ARC-specific modules.  */
  81
  82 static inline int
  83 arc_mach_is_arc600 (struct gdbarch *gdbarch)
  84 {
  85   return (gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_arc_arc600
  86           || gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_arc_arc601);
  87 }
  88
  89 static inline int
  90 arc_mach_is_arc700 (struct gdbarch *gdbarch)
  91 {
  92   return gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_arc_arc700;
  93 }
  94
  95 static inline int
  96 arc_mach_is_arcv2 (struct gdbarch *gdbarch)
  97 {
  98   return gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_arc_arcv2;
  99 }
 100
 101 #endif /* ARC_TDEP_H */