/*
//----------------------------------------------------------------------
//  Copyright (C) 2006 - 2007 by the FRESCOR consortium:
//
//    Universidad de Cantabria,              SPAIN
//    University of York,                    UK
//    Scuola Superiore Sant'Anna,            ITALY
//    Kaiserslautern University,             GERMANY
//    Univ. Politecnica  Valencia,           SPAIN
//    Czech Technical University in Prague,  CZECH REPUBLIC
//    ENEA                                   SWEDEN
//    Thales Communication S.A.              FRANCE
//    Visual Tools S.A.                      SPAIN
//    Rapita Systems Ltd                     UK
//    Evidence                               ITALY
//
//    See http://www.frescor.org
//
//        The FRESCOR project (FP6/2005/IST/5-034026) is funded
//        in part by the European Union Sixth Framework Programme
//        The European Union is not liable of any use that may be
//        made of this code.
//
//
//  based on previous work (FSF) done in the FIRST project
//
//   Copyright (C) 2005  Mälardalen University, SWEDEN
//                       Scuola Superiore S.Anna, ITALY
//                       Universidad de Cantabria, SPAIN
//                       University of York, UK
//
// This file is part of FOSA (Frsh Operating System Abstraction)
//
// FOSA is free software; you can redistribute it and/or modify it
// under terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option) any
// later version.  FOSA 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 FOSA; see file
// COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,
// Cambridge, MA 02139, USA.
    //
// As a special exception, including FOSA header files in a file,
// instantiating FOSA generics or templates, or linking other files
// with FOSA objects to produce an executable application, does not
// by itself cause the resulting executable application to be covered
// by the GNU General Public License. This exception does not
// however invalidate any other reasons why the executable file might be
// covered by the GNU Public License.
// -----------------------------------------------------------------------

// FOSA(Frescor Operating System Adaptation layer)
//================================================
*/
/*
 * $FILE: fosa_setjmp.S
 *
 * Setjmp and Longjmp healper functions
 */

.text

.global fosa_long_jump_save_context, fosa_setjmp, fosa_longjmp
.type   fosa_long_jump_save_context,@function
.type   fosa_setjmp,@function
.type   fosa_longjmp,@function


fosa_long_jump_save_context:
	subl    $44,  %esp
	cmpl    $0, 48(%esp)
	jne     .L2
	movl    $22, 24(%esp)
	jmp     .L4
.L2:
	movl    $0,  24(%esp)
	movl	44(%esp), %ecx
	leal	48(%esp), %edx
	movl    48(%esp), %eax
	movl	%ebx, 0(%eax)
	movl	%esi, 4(%eax)
	movl	%edi, 8(%eax)
	movl	%ebp, 12(%eax)
	movl	%edx, 16(%eax)
	movl	%ecx, 20(%eax)
	movl	$0,   24(%eax)

        leal    28(%eax), %eax
        movl    %eax, 8(%esp)
        movl    $0, 4(%esp)
        movl    $0, (%esp)
        call    pthread_sigmask

.L4:
	movl    24(%esp), %eax
	addl    $44, %esp
	ret


fosa_setjmp:
	movl 0(%esp), %ecx
	leal 4(%esp), %edx
	movl (%edx), %eax
	movl %ebx, 0(%eax)
	movl %esi, 4(%eax)
	movl %edi, 8(%eax)
	movl %ebp, 12(%eax)
	movl %edx, 16(%eax)
	movl %ecx, 20(%eax)
	movl $0,   24(%eax)
	movl $0,   %eax
	ret

fosa_longjmp:
	movl 4(%esp),  %ecx
	movl 8(%esp),  %eax
	movl %eax,  24(%ecx)
	movl 20(%ecx), %edx
	movl 0(%ecx),  %ebx
	movl 4(%ecx),  %esi
	movl 8(%ecx),  %edi
	movl 12(%ecx), %ebp
	movl 16(%ecx), %esp
	movl $0,       %eax
        jmp *%edx