/* src/vm/jit/stacktrace.h - header file for stacktrace generation

   Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
   R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
   C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
   Institut f. Computersprachen - TU Wien

   This file is part of CACAO.

   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, 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.

   Contact: cacao@complang.tuwien.ac.at

   Authors: Christian Thalinger

   Changes:

   $Id: stacktrace.h 2123 2005-03-29 22:12:32Z twisti $

*/


#ifndef _STACKTRACE_H
#define _STACKTRACE_H

/* forward typedefs ***********************************************************/

typedef struct native_stackframeinfo native_stackframeinfo;
typedef struct stackTraceBuffer stackTraceBuffer;
typedef struct stacktraceelement stacktraceelement;


#include "types.h"
#include "arch.h"
#include "vm/method.h"


struct native_stackframeinfo {
	void *oldThreadspecificHeadValue;
	void **addressOfThreadspecificHead;
	methodinfo *method;
#ifdef __ALPHA__
	void *savedpv;
#endif
	void *beginOfJavaStackframe; /*only used if != 0*/
	void *returnToFromNative;

#if 0
	void *returnFromNative;
	void *addrReturnFromNative;
	methodinfo *method;
	native_stackframeinfo *next;
	native_stackframeinfo *prev;
#endif
};


struct stacktraceelement {
#if POINTERSIZE == 8
	u8          linenumber;
#else
	u4          linenumber;
#endif
	methodinfo *method;
};


struct stackTraceBuffer {
	s4                 needsFree;
	stacktraceelement *start;
	s4                 size;
	s4                 full;
};


/* function prototypes ********************************************************/

void cacao_stacktrace_NormalTrace(void **target);
java_objectarray *cacao_createClassContextArray();
java_objectheader *cacao_currentClassLoader();
methodinfo* cacao_callingMethod();

#endif /* _STACKTRACE_H */


/*
 * These are local overrides for various environment variables in Emacs.
 * Please do not remove this and leave it at the end of the file, where
 * Emacs will automagically detect them.
 * ---------------------------------------------------------------------
 * Local variables:
 * mode: c
 * indent-tabs-mode: t
 * c-basic-offset: 4
 * tab-width: 4
 * End:
 */