gdb/config/i386/tm-i386nw.h

   1 /* Macro definitions for i386 running NetWare.
   2    Copyright 1993, 1994, 1995, 1998, 1999, 2000
   3    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 TM_I386NW_H
  23 #define TM_I386NW_H 1
  24
  25 #include "i386/tm-i386.h"
  26
  27 /* Stop backtracing when we wander into main.  */
  28
  29 #define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)
  30
  31
  32 /* Offsets (in target ints) into jmp_buf.  Not defined in any system header
  33    file, so we have to step through setjmp/longjmp with a debugger and figure
  34    them out.  */
  35
  36 #define JB_ELEMENT_SIZE 4       /* jmp_buf[] is array of ints */
  37
  38 #define JB_PC   6               /* Setjmp()'s return PC saved here */
  39
  40 /* Figure out where the longjmp will land.  Slurp the args out of the stack.
  41    We expect the first arg to be a pointer to the jmp_buf structure from which
  42    we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
  43    This routine returns true on success */
  44
  45 extern int get_longjmp_target (CORE_ADDR *);
  46
  47 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
  48
  49 #endif /* ifndef TM_I386NW_H */