52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
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/* longjmp.c
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Copyright 1996, 1998 Cygnus Solutions.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifdef __i386__
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#if 1
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asm (" .globl _longjmp \n"
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"_longjmp: \n"
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" pushl %ebp \n"
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" movl %esp,%ebp \n"
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" movl 8(%ebp),%edi \n"
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" movl 12(%ebp),%eax \n"
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" testl %eax,%eax \n"
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" jne 0f \n"
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" incl %eax \n"
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"0: \n"
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" movl %eax,0(%edi) \n"
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" movl 24(%edi),%ebp \n"
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" pushfl \n"
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" popl %ebx \n"
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" movw 42(%edi),%ax \n"
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" movw %ax,%ss \n"
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" movl 28(%edi),%esp \n"
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" pushl 32(%edi) \n"
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" pushl %ebx \n"
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" movw 36(%edi),%ax \n"
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" movw %ax,%es \n"
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#if 0
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/* fs is a system register in windows; don't muck with it */
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" movw 38(%edi),%ax \n"
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" movw %ax,%fs \n"
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#endif
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" movw 40(%edi),%ax \n"
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" movw %ax,%gs \n"
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" movl 0(%edi),%eax \n"
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" movl 4(%edi),%ebx \n"
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" movl 8(%edi),%ecx \n"
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" movl 12(%edi),%edx \n"
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" movl 16(%edi),%esi \n"
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" movl 20(%edi),%edi \n"
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" popfl \n"
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" ret \n");
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#endif
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#endif /* __i386__ */
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