gdb/tm-sun3.h

   1 /* Parameters for execution on a Sun, for GDB, the GNU debugger.
   2    Copyright (C) 1986, 1987, 1989, 1992 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 2 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, write to the Free Software
  18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 #define HAVE_68881
  21
  22 /* Let native-versus-cross support code know we are targeting sun3,
  23    and modify registers to include sun3 fpustate register.  */
  24
  25 #define GDB_TARGET_IS_SUN3 1
  26
  27 /* Address of the end of stack space.  We get this from the system
  28    include files. */
  29
  30 #include <sys/types.h>
  31 #include <machine/vmparam.h>
  32 #define STACK_END_ADDR USRSTACK
  33
  34 #include "tm-68k.h"
  35
  36 /* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
  37    documented in a comment in <machine/setjmp.h>! */
  38
  39 #define JB_ELEMENT_SIZE 4
  40
  41 #define JB_ONSSTACK 0
  42 #define JB_SIGMASK 1
  43 #define JB_SP 2
  44 #define JB_PC 3
  45 #define JB_PSL 4
  46 #define JB_D2 5
  47 #define JB_D3 6
  48 #define JB_D4 7
  49 #define JB_D5 8
  50 #define JB_D6 9
  51 #define JB_D7 10
  52 #define JB_A2 11
  53 #define JB_A3 12
  54 #define JB_A4 13
  55 #define JB_A5 14
  56 #define JB_A6 15
  57
  58 /* Figure out where the longjmp will land.  Slurp the args out of the stack.
  59    We expect the first arg to be a pointer to the jmp_buf structure from which
  60    we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
  61    This routine returns true on success */
  62
  63 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
  64
  65 #undef SAVED_PC_AFTER_CALL
  66
  67 #ifdef __STDC__
  68 struct frame_info;
  69 #endif
  70
  71 extern CORE_ADDR sun3_saved_pc_after_call PARAMS ((struct frame_info *));
  72
  73 #define SAVED_PC_AFTER_CALL(frame) \
  74   sun3_saved_pc_after_call(frame)