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,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef TM_I386NW_H
  22 #define TM_I386NW_H 1
  23
  24 #include "i386/tm-i386.h"
  25
  26 /* Stop backtracing when we wander into main.  */
  27
  28 #define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)
  29
  30
  31 /* Offsets (in target ints) into jmp_buf.  Not defined in any system header
  32    file, so we have to step through setjmp/longjmp with a debugger and figure
  33    them out.  */
  34
  35 #define JB_ELEMENT_SIZE 4       /* jmp_buf[] is array of ints */
  36
  37 #define JB_PC   6               /* Setjmp()'s return PC saved here */
  38
  39 /* Figure out where the longjmp will land.  Slurp the args out of the stack.
  40    We expect the first arg to be a pointer to the jmp_buf structure from which
  41    we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
  42    This routine returns true on success */
  43
  44 extern int
  45 get_longjmp_target PARAMS ((CORE_ADDR *));
  46
  47 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
  48
  49 #endif /* ifndef TM_I386NW_H */