gdb/config/i386/tm-i386nw.h

   1 /* Macro definitions for i386 running NetWare.
   2    Copyright 1993, 1994 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 /* Override number of expected traps from sysv. */
  21 #define START_INFERIOR_TRAPS_EXPECTED 2
  22
  23 /* FIXME:  tm-i386v.h seems to be used in a lot of target config files as a
  24    generic i386 target config file.  The parts that are truely generic should
  25    be extracted out and placed in a tm-i386.h file that all the others,
  26    including tm-i386v.h, includes as needed. */
  27 #include "i386/tm-i386v.h"
  28
  29 /* Stop backtracing when we wander into main.  */
  30
  31 #define FRAME_CHAIN_VALID_ALTERNATE
  32
  33
  34 /* Offsets (in target ints) into jmp_buf.  Not defined in any system header
  35    file, so we have to step through setjmp/longjmp with a debugger and figure
  36    them out.  */
  37
  38 #define JB_ELEMENT_SIZE 4       /* jmp_buf[] is array of ints */
  39
  40 #define JB_PC   6               /* Setjmp()'s return PC saved here */
  41
  42 /* Figure out where the longjmp will land.  Slurp the args out of the stack.
  43    We expect the first arg to be a pointer to the jmp_buf structure from which
  44    we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
  45    This routine returns true on success */
  46
  47 extern int
  48 get_longjmp_target PARAMS ((CORE_ADDR *));
  49
  50 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)