gdb/config/mips/tm-mips.h

   1 /* Definitions to make GDB run on a mips box under 4.3bsd.
   2
   3    Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996,
   4    1997, 1998, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
   5
   6    Contributed by Per Bothner (bothner@cs.wisc.edu) at U.Wisconsin
   7    and by Alessandro Forin (af@cs.cmu.edu) at CMU..
   8
   9    This file is part of GDB.
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 2 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software
  23    Foundation, Inc., 59 Temple Place - Suite 330,
  24    Boston, MA 02111-1307, USA.  */
  25
  26 #ifndef TM_MIPS_H
  27 #define TM_MIPS_H 1
  28
  29 #include "regcache.h"
  30
  31 struct frame_info;
  32 struct symbol;
  33 struct type;
  34 struct value;
  35
  36 #include <bfd.h>
  37 #include "coff/sym.h"           /* Needed for PDR below.  */
  38 #include "coff/symconst.h"
  39
  40 /* Return non-zero if PC points to an instruction which will cause a step
  41    to execute both the instruction at PC and an instruction at PC+4.  */
  42 extern int mips_step_skips_delay (CORE_ADDR);
  43 #define STEP_SKIPS_DELAY_P (1)
  44 #define STEP_SKIPS_DELAY(pc) (mips_step_skips_delay (pc))
  45
  46 #define RA_REGNUM 31            /* Contains return address value */
  47 #define FIRST_EMBED_REGNUM 74   /* First CP0 register for embedded use */
  48 #define PRID_REGNUM 89          /* Processor ID */
  49 #define LAST_EMBED_REGNUM 89    /* Last one */
  50
  51 /* Special symbol found in blocks associated with routines.  We can hang
  52    mips_extra_func_info_t's off of this.  */
  53
  54 #define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
  55 extern void ecoff_relocate_efi (struct symbol *, CORE_ADDR);
  56
  57 /* Specific information about a procedure.
  58    This overlays the MIPS's PDR records,
  59    mipsread.c (ab)uses this to save memory */
  60
  61 typedef struct mips_extra_func_info
  62   {
  63     long numargs;               /* number of args to procedure (was iopt) */
  64     bfd_vma high_addr;          /* upper address bound */
  65     long frame_adjust;          /* offset of FP from SP (used on MIPS16) */
  66     PDR pdr;                    /* Procedure descriptor record */
  67   }
  68  *mips_extra_func_info_t;
  69
  70 /* Functions for dealing with MIPS16 call and return stubs.  */
  71 #define DEPRECATED_IGNORE_HELPER_CALL(pc)                       mips_ignore_helper (pc)
  72 extern int mips_ignore_helper (CORE_ADDR pc);
  73
  74 #endif /* TM_MIPS_H */