35 lines
749 B
ArmAsm
35 lines
749 B
ArmAsm
// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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#include "../assembly.h"
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// _chkstk routine
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// This routine is windows specific
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// http://msdn.microsoft.com/en-us/library/ms648426.aspx
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#ifdef __i386__
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.text
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.balign 4
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DEFINE_COMPILERRT_FUNCTION(__chkstk_ms)
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push %ecx
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push %eax
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cmp $0x1000,%eax
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lea 12(%esp),%ecx
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jb 1f
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2:
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sub $0x1000,%ecx
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orl $0,(%ecx)
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sub $0x1000,%eax
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cmp $0x1000,%eax
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ja 2b
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1:
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sub %eax,%ecx
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orl $0,(%ecx)
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pop %eax
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pop %ecx
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ret
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END_COMPILERRT_FUNCTION(__chkstk_ms)
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#endif // __i386__
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