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/* This is file SETJMP.S */

/*

** Copyright (C) 1993 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954

**

** This file is distributed under the terms listed in the document

** "copying.dj", available from DJ Delorie at the address above.

** A copy of "copying.dj" should accompany this file; if not, a copy

** should be available from where this file was obtained.  This file

** may not be distributed without a verbatim copy of "copying.dj".

**

** This file is distributed WITHOUT ANY WARRANTY; without even the implied

** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

*/

/*

**      jmp_buf:

**       eax ebx ecx edx esi edi ebp esp eip es fs gs ss

**       0   4   8   12  16  20  24  28  32  36 38 40 42

*/

        .globl  _setjmp /* jmp_buf */

_setjmp:

        pushl   %ebp

        movl    %esp,%ebp

        pushl   %edi

        movl    8(%ebp),%edi

        movl    %eax,0(%edi)

        movl    %ebx,4(%edi)

        movl    %ecx,8(%edi)

        movl    %edx,12(%edi)

        movl    %esi,16(%edi)

        movl    -4(%ebp),%eax

        movl    %eax,20(%edi)

        movl    0(%ebp),%eax

        movl    %eax,24(%edi)

        movl    %esp,%eax

        addl    $12,%eax

        movl    %eax,28(%edi)

        movl    4(%ebp),%eax

        movl    %eax,32(%edi)

        movw    %es, %ax

        movw    %ax, 36(%edi)

        movw    %fs, %ax

        movw    %ax, 38(%edi)

        movw    %gs, %ax

        movw    %ax, 40(%edi)

        movw    %ss, %ax

        movw    %ax, 42(%edi)

        popl    %edi

        movl    $0,%eax

        leave

        ret