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

/* Macro definitions for i386 running NetWare.
   Copyright 1993, 1994 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) alternate_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 PARAMS ((CORE_ADDR *));

#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)

#endif /* ifndef TM_I386NW_H */
Commit	Line	Data
c906108c SS	1	/* Macro definitions for i386 running NetWare.
	2	Copyright 1993, 1994 Free Software Foundation, Inc.
	3
c5aa993b	4	This file is part of GDB.
c906108c	5
c5aa993b JM	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.
c906108c	10
c5aa993b JM	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.
c906108c	15
c5aa993b JM	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. */
c906108c SS	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) alternate_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
c5aa993b	49	#endif /* ifndef TM_I386NW_H */