1// This file is dual licensed under the MIT and the University of Illinois Open 2// Source Licenses. See LICENSE.TXT for details. 3 4#include "../assembly.h" 5 6// _chkstk routine 7// This routine is windows specific 8// http://msdn.microsoft.com/en-us/library/ms648426.aspx 9 10#ifdef __i386__ 11 12.text 13.balign 4 14DEFINE_COMPILERRT_FUNCTION(__chkstk_ms) 15 push %ecx 16 push %eax 17 cmp $0x1000,%eax 18 lea 12(%esp),%ecx 19 jb 1f 202: 21 sub $0x1000,%ecx 22 test %ecx,(%ecx) 23 sub $0x1000,%eax 24 cmp $0x1000,%eax 25 ja 2b 261: 27 sub %eax,%ecx 28 test %ecx,(%ecx) 29 pop %eax 30 pop %ecx 31 ret 32END_COMPILERRT_FUNCTION(__chkstk_ms) 33 34#endif // __i386__ 35