[deliverable/binutils-gdb.git] / gdb / config / i386 / tm-i386nw.h

/* Macro definitions for i386 running NetWare.
   Copyright 1993, 1994, 1995, 1998, 1999, 2000
   Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef TM_I386NW_H
#define TM_I386NW_H 1

#include "i386/tm-i386.h"

/* Stop backtracing when we wander into main.  */

#define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)


/* Offsets (in target ints) into jmp_buf.  Not defined in any system header
   file, so we have to step through setjmp/longjmp with a debugger and figure
   them out.  */

#define JB_ELEMENT_SIZE 4	/* jmp_buf[] is array of ints */

#define JB_PC	6		/* Setjmp()'s return PC saved here */

/* Figure out where the longjmp will land.  Slurp the args out of the stack.
   We expect the first arg to be a pointer to the jmp_buf structure from which
   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
   This routine returns true on success */

extern int get_longjmp_target (CORE_ADDR *);

#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)

#endif /* ifndef TM_I386NW_H */
Commit	Line	Data
c906108c	1	/* Macro definitions for i386 running NetWare.
b6ba6518 KB	2	Copyright 1993, 1994, 1995, 1998, 1999, 2000
b6ba6518 KB	3	Free Software Foundation, Inc.
c906108c	4
c5aa993b	5	This file is part of GDB.
c906108c	6
c5aa993b JM	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.
c906108c	11
c5aa993b JM	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.
c906108c	16
c5aa993b JM	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. */
c906108c SS	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
c4093a6a	29	#define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)
c906108c SS	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
a14ed312	45	extern int get_longjmp_target (CORE_ADDR *);
c906108c SS	46
	47	#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
	48
c5aa993b	49	#endif /* ifndef TM_I386NW_H */