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 /* Define this if the C compiler puts an underscore at the front
  28    of external names before giving them to the linker.  */
  29
  30 #define NAMES_HAVE_UNDERSCORE
  31
  32 /* Address of the end of stack space.  We get this from the system
  33    include files. */
  34
  35 #include <sys/types.h>
  36 #include <machine/vmparam.h>
  37 #define STACK_END_ADDR USRSTACK
  38
  39 #include "tm-68k.h"
  40
  41 /* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
  42    documented in a comment in <machine/setjmp.h>! */
  43
  44 #define JB_ELEMENT_SIZE 4
  45
  46 #define JB_ONSSTACK 0
  47 #define JB_SIGMASK 1
  48 #define JB_SP 2
  49 #define JB_PC 3
  50 #define JB_PSL 4
  51 #define JB_D2 5
  52 #define JB_D3 6
  53 #define JB_D4 7
  54 #define JB_D5 8
  55 #define JB_D6 9
  56 #define JB_D7 10
  57 #define JB_A2 11
  58 #define JB_A3 12
  59 #define JB_A4 13
  60 #define JB_A5 14
  61 #define JB_A6 15
  62
  63 /* Figure out where the longjmp will land.  Slurp the args out of the stack.
  64    We expect the first arg to be a pointer to the jmp_buf structure from which
  65    we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
  66    This routine returns true on success */
  67
  68 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
  69
  70 #undef SAVED_PC_AFTER_CALL
  71
  72 #ifdef __STDC__
  73 struct frame_info;
  74 #endif
  75
  76 extern CORE_ADDR sun3_saved_pc_after_call PARAMS ((struct frame_info *));
  77
  78 #define SAVED_PC_AFTER_CALL(frame) \
  79   sun3_saved_pc_after_call(frame)