gdb/sh-tdep.h

   1 /* Target-specific definition for a Renesas Super-H.
   2    Copyright (C) 1993-2023 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef SH_TDEP_H
  20 #define SH_TDEP_H
  21
  22 #include "gdbarch.h"
  23
  24 /* Contributed by Steve Chamberlain sac@cygnus.com.  */
  25
  26 /* Registers for all SH variants.  Used also by sh3-rom.c.  */
  27 enum
  28   {
  29     R0_REGNUM = 0,
  30     STRUCT_RETURN_REGNUM = 2,
  31     ARG0_REGNUM = 4,
  32     ARGLAST_REGNUM = 7,
  33     FP_REGNUM = 14,
  34     PC_REGNUM = 16,
  35     PR_REGNUM = 17,
  36     GBR_REGNUM = 18,
  37     VBR_REGNUM = 19,
  38     MACH_REGNUM = 20,
  39     MACL_REGNUM = 21,
  40     SR_REGNUM = 22,
  41     FPUL_REGNUM = 23,
  42     /* Floating point registers */
  43     FPSCR_REGNUM = 24,
  44     FR0_REGNUM = 25,
  45     FLOAT_ARG0_REGNUM = 29,
  46     FLOAT_ARGLAST_REGNUM = 36,
  47     FP_LAST_REGNUM = 40,
  48     /* sh3,sh4 registers */
  49     SSR_REGNUM = 41,
  50     SPC_REGNUM = 42,
  51     /* DSP registers */
  52     DSR_REGNUM = 24,
  53     A0G_REGNUM = 25,
  54     A0_REGNUM = 26,
  55     A1G_REGNUM = 27,
  56     A1_REGNUM = 28,
  57     M0_REGNUM = 29,
  58     M1_REGNUM = 30,
  59     X0_REGNUM = 31,
  60     X1_REGNUM = 32,
  61     Y0_REGNUM = 33,
  62     Y1_REGNUM = 34,
  63     MOD_REGNUM = 40,
  64     RS_REGNUM = 43,
  65     RE_REGNUM = 44,
  66     DSP_R0_BANK_REGNUM = 51,
  67     DSP_R7_BANK_REGNUM = 58,
  68     /* sh2a register */
  69     R0_BANK0_REGNUM = 43,
  70     MACHB_REGNUM = 58,
  71     IVNB_REGNUM = 59,
  72     PRB_REGNUM = 60,
  73     GBRB_REGNUM = 61,
  74     MACLB_REGNUM = 62,
  75     BANK_REGNUM = 63,
  76     IBCR_REGNUM = 64,
  77     IBNR_REGNUM = 65,
  78     TBR_REGNUM = 66,
  79     PSEUDO_BANK_REGNUM = 67,
  80     /* Floating point pseudo registers */
  81     DR0_REGNUM = 68,
  82     DR_LAST_REGNUM = 75,
  83     FV0_REGNUM = 76,
  84     FV_LAST_REGNUM = 79
  85   };
  86
  87 /* This structure describes a register in a core-file.  */
  88 struct sh_corefile_regmap
  89 {
  90   int regnum;
  91   unsigned int offset;
  92 };
  93
  94 struct sh_gdbarch_tdep : gdbarch_tdep_base
  95 {
  96   /* Non-NULL when debugging from a core file.  Provides the offset
  97      where each general-purpose register is stored inside the associated
  98      core file section.  */
  99   struct sh_corefile_regmap *core_gregmap = nullptr;
 100   int sizeof_gregset = 0;
 101   /* Non-NULL when debugging from a core file and when FP registers are
 102      available.  Provides the offset where each FP register is stored
 103      inside the associated core file section.  */
 104   struct sh_corefile_regmap *core_fpregmap = nullptr;
 105   int sizeof_fpregset = 0;
 106   /* ISA-specific data types.  */
 107   struct type *sh_littlebyte_bigword_type = nullptr;
 108 };
 109
 110 extern const struct regset sh_corefile_gregset;
 111
 112 void sh_corefile_supply_regset (const struct regset *regset,
 113                                 struct regcache *regcache,
 114                                 int regnum, const void *regs, size_t len);
 115 void sh_corefile_collect_regset (const struct regset *regset,
 116                                  const struct regcache *regcache,
 117                                  int regnum, void *regs, size_t len);
 118 #endif /* SH_TDEP_H */