gdb/mips-tdep.h

   1 /* Target-dependent header for the MIPS architecture, for GDB, the GNU Debugger.
   2
   3    Copyright 2002, 2003 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 2 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, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #ifndef MIPS_TDEP_H
  23 #define MIPS_TDEP_H
  24
  25 struct gdbarch;
  26
  27 /* All the possible MIPS ABIs. */
  28 enum mips_abi
  29   {
  30     MIPS_ABI_UNKNOWN = 0,
  31     MIPS_ABI_N32,
  32     MIPS_ABI_O32,
  33     MIPS_ABI_N64,
  34     MIPS_ABI_O64,
  35     MIPS_ABI_EABI32,
  36     MIPS_ABI_EABI64,
  37     MIPS_ABI_LAST
  38   };
  39
  40 /* Return the MIPS ABI associated with GDBARCH.  */
  41 enum mips_abi mips_abi (struct gdbarch *gdbarch);
  42
  43 /* For wince :-(.  */
  44 extern CORE_ADDR mips_next_pc (CORE_ADDR pc);
  45
  46 /* Return the MIPS ISA's register size.  Just a short cut to the BFD
  47    architecture's word size.  */
  48 extern int mips_isa_regsize (struct gdbarch *gdbarch);
  49
  50 /* Return the current index for various MIPS registers.  */
  51 struct mips_regnum
  52 {
  53   int pc;
  54   int fp0;
  55   int fp_implementation_revision;
  56   int fp_control_status;
  57   int badvaddr;         /* Bad vaddr for addressing exception.  */
  58   int cause;            /* Describes last exception.  */
  59   int hi;               /* Multiply/divide temp.  */
  60   int lo;               /* ...  */
  61 };
  62 extern const struct mips_regnum *mips_regnum (struct gdbarch *gdbarch);
  63
  64 enum {
  65   MIPS_SP_REGNUM = 29,
  66   MIPS_EMBED_LO_REGNUM = 33,
  67   MIPS_EMBED_HI_REGNUM = 34,
  68   MIPS_EMBED_BADVADDR_REGNUM = 35,
  69   MIPS_EMBED_CAUSE_REGNUM = 36,
  70   MIPS_EMBED_PC_REGNUM = 37,
  71   MIPS_EMBED_FP0_REGNUM = 38
  72 };
  73
  74 /* Defined in mips-tdep.c and used in remote-mips.c */
  75 extern void deprecated_mips_set_processor_regs_hack (void);
  76
  77 /* Single step based on where the current instruction will take us.  */
  78 extern void mips_software_single_step (enum target_signal, int);
  79
  80 #endif /* MIPS_TDEP_H */