gdb/sh-tdep.h

   1 /* Target-specific definition for a Renesas Super-H.
   2    Copyright (C) 1993-2018 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 /* Contributed by Steve Chamberlain sac@cygnus.com.  */
  23
  24 /* Registers for all SH variants.  Used also by sh3-rom.c.  */
  25 enum
  26   {
  27     R0_REGNUM = 0,
  28     STRUCT_RETURN_REGNUM = 2,
  29     ARG0_REGNUM = 4,
  30     ARGLAST_REGNUM = 7,
  31     FP_REGNUM = 14,
  32     PC_REGNUM = 16,
  33     PR_REGNUM = 17,
  34     GBR_REGNUM = 18,
  35     VBR_REGNUM = 19,
  36     MACH_REGNUM = 20,
  37     MACL_REGNUM = 21,
  38     SR_REGNUM = 22,
  39     FPUL_REGNUM = 23,
  40     /* Floating point registers */
  41     FPSCR_REGNUM = 24,
  42     FR0_REGNUM = 25,
  43     FLOAT_ARG0_REGNUM = 29,
  44     FLOAT_ARGLAST_REGNUM = 36,
  45     FP_LAST_REGNUM = 40,
  46     /* sh3,sh4 registers */
  47     SSR_REGNUM = 41,
  48     SPC_REGNUM = 42,
  49     /* DSP registers */
  50     DSR_REGNUM = 24,
  51     A0G_REGNUM = 25,
  52     A0_REGNUM = 26,
  53     A1G_REGNUM = 27,
  54     A1_REGNUM = 28,
  55     M0_REGNUM = 29,
  56     M1_REGNUM = 30,
  57     X0_REGNUM = 31,
  58     X1_REGNUM = 32,
  59     Y0_REGNUM = 33,
  60     Y1_REGNUM = 34,
  61     MOD_REGNUM = 40,
  62     RS_REGNUM = 43,
  63     RE_REGNUM = 44,
  64     DSP_R0_BANK_REGNUM = 51,
  65     DSP_R7_BANK_REGNUM = 58,
  66     /* sh2a register */
  67     R0_BANK0_REGNUM = 43,
  68     MACHB_REGNUM = 58,
  69     IVNB_REGNUM = 59,
  70     PRB_REGNUM = 60,
  71     GBRB_REGNUM = 61,
  72     MACLB_REGNUM = 62,
  73     BANK_REGNUM = 63,
  74     IBCR_REGNUM = 64,
  75     IBNR_REGNUM = 65,
  76     TBR_REGNUM = 66,
  77     PSEUDO_BANK_REGNUM = 67,
  78     /* Floating point pseudo registers */
  79     DR0_REGNUM = 68,
  80     DR_LAST_REGNUM = 75,
  81     FV0_REGNUM = 76,
  82     FV_LAST_REGNUM = 79
  83   };
  84
  85 /* This structure describes a register in a core-file.  */
  86 struct sh_corefile_regmap
  87 {
  88   int regnum;
  89   unsigned int offset;
  90 };
  91
  92 struct gdbarch_tdep
  93 {
  94   /* Non-NULL when debugging from a core file.  Provides the offset
  95      where each general-purpose register is stored inside the associated
  96      core file section.  */
  97   struct sh_corefile_regmap *core_gregmap;
  98   int sizeof_gregset;
  99   /* Non-NULL when debugging from a core file and when FP registers are
 100      available.  Provides the offset where each FP register is stored
 101      inside the associated core file section.  */
 102   struct sh_corefile_regmap *core_fpregmap;
 103   int sizeof_fpregset;
 104   /* ISA-specific data types.  */
 105   struct type *sh_littlebyte_bigword_type;
 106 };
 107
 108 extern const struct regset sh_corefile_gregset;
 109
 110 void sh_corefile_supply_regset (const struct regset *regset,
 111                                 struct regcache *regcache,
 112                                 int regnum, const void *regs, size_t len);
 113 void sh_corefile_collect_regset (const struct regset *regset,
 114                                  const struct regcache *regcache,
 115                                  int regnum, void *regs, size_t len);
 116 #endif /* SH_TDEP_H */