gdb/sh-tdep.h

   1 /* Target-specific definition for a Renesas Super-H.
   2    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   3    2003, 2007, 2008, 2009 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef SH_TDEP_H
  21 #define SH_TDEP_H
  22
  23 /* Contributed by Steve Chamberlain sac@cygnus.com */
  24
  25 /* Registers for all SH variants.  Used also by sh3-rom.c. */
  26 enum
  27   {
  28     R0_REGNUM = 0,
  29     STRUCT_RETURN_REGNUM = 2,
  30     ARG0_REGNUM = 4,
  31     ARGLAST_REGNUM = 7,
  32     FP_REGNUM = 14,
  33     PC_REGNUM = 16,
  34     PR_REGNUM = 17,
  35     GBR_REGNUM = 18,
  36     VBR_REGNUM = 19,
  37     MACH_REGNUM = 20,
  38     MACL_REGNUM = 21,
  39     SR_REGNUM = 22,
  40     FPUL_REGNUM = 23,
  41     /* Floating point registers */
  42     FPSCR_REGNUM = 24,
  43     FR0_REGNUM = 25,
  44     FLOAT_ARG0_REGNUM = 29,
  45     FLOAT_ARGLAST_REGNUM = 36,
  46     FP_LAST_REGNUM = 40,
  47     /* sh3,sh4 registers */
  48     SSR_REGNUM = 41,
  49     SPC_REGNUM = 42,
  50     /* DSP registers */
  51     DSR_REGNUM = 24,
  52     A0G_REGNUM = 25,
  53     A0_REGNUM = 26,
  54     A1G_REGNUM = 27,
  55     A1_REGNUM = 28,
  56     M0_REGNUM = 29,
  57     M1_REGNUM = 30,
  58     X0_REGNUM = 31,
  59     X1_REGNUM = 32,
  60     Y0_REGNUM = 33,
  61     Y1_REGNUM = 34,
  62     MOD_REGNUM = 40,
  63     RS_REGNUM = 43,
  64     RE_REGNUM = 44,
  65     DSP_R0_BANK_REGNUM = 51,
  66     DSP_R7_BANK_REGNUM = 58,
  67     /* sh2a register */
  68     R0_BANK0_REGNUM = 43,
  69     MACHB_REGNUM = 58,
  70     IVNB_REGNUM = 59,
  71     PRB_REGNUM = 60,
  72     GBRB_REGNUM = 61,
  73     MACLB_REGNUM = 62,
  74     BANK_REGNUM = 63,
  75     IBCR_REGNUM = 64,
  76     IBNR_REGNUM = 65,
  77     TBR_REGNUM = 66,
  78     PSEUDO_BANK_REGNUM = 67,
  79     /* Floating point pseudo registers */
  80     DR0_REGNUM = 68,
  81     DR_LAST_REGNUM = 75,
  82     FV0_REGNUM = 76,
  83     FV_LAST_REGNUM = 79
  84   };
  85
  86 extern gdbarch_init_ftype sh64_gdbarch_init;
  87 extern void sh64_show_regs (struct frame_info *);
  88
  89 /* This structure describes a register in a core-file.  */
  90 struct sh_corefile_regmap
  91 {
  92   int regnum;
  93   unsigned int offset;
  94 };
  95
  96 struct gdbarch_tdep
  97 {
  98   /* Non-NULL when debugging from a core file.  Provides the offset
  99      where each general-purpose register is stored inside the associated
 100      core file section.  */
 101   struct sh_corefile_regmap *core_gregmap;
 102   /* Non-NULL when debugging from a core file and when FP registers are
 103      available.  Provides the offset where each FP register is stored
 104      inside the associated core file section.  */
 105   struct sh_corefile_regmap *core_fpregmap;
 106 };
 107
 108 extern 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 */