1*7c3d14c8STreehugger Robot// This file is dual licensed under the MIT and the University of Illinois Open 2*7c3d14c8STreehugger Robot// Source Licenses. See LICENSE.TXT for details. 3*7c3d14c8STreehugger Robot 4*7c3d14c8STreehugger Robot#include "../assembly.h" 5*7c3d14c8STreehugger Robot 6*7c3d14c8STreehugger Robot// _chkstk routine 7*7c3d14c8STreehugger Robot// This routine is windows specific 8*7c3d14c8STreehugger Robot// http://msdn.microsoft.com/en-us/library/ms648426.aspx 9*7c3d14c8STreehugger Robot 10*7c3d14c8STreehugger Robot#ifdef __i386__ 11*7c3d14c8STreehugger Robot 12*7c3d14c8STreehugger Robot.text 13*7c3d14c8STreehugger Robot.balign 4 14*7c3d14c8STreehugger RobotDEFINE_COMPILERRT_FUNCTION(__chkstk_ms) 15*7c3d14c8STreehugger Robot push %ecx 16*7c3d14c8STreehugger Robot push %eax 17*7c3d14c8STreehugger Robot cmp $0x1000,%eax 18*7c3d14c8STreehugger Robot lea 12(%esp),%ecx 19*7c3d14c8STreehugger Robot jb 1f 20*7c3d14c8STreehugger Robot2: 21*7c3d14c8STreehugger Robot sub $0x1000,%ecx 22*7c3d14c8STreehugger Robot test %ecx,(%ecx) 23*7c3d14c8STreehugger Robot sub $0x1000,%eax 24*7c3d14c8STreehugger Robot cmp $0x1000,%eax 25*7c3d14c8STreehugger Robot ja 2b 26*7c3d14c8STreehugger Robot1: 27*7c3d14c8STreehugger Robot sub %eax,%ecx 28*7c3d14c8STreehugger Robot test %ecx,(%ecx) 29*7c3d14c8STreehugger Robot pop %eax 30*7c3d14c8STreehugger Robot pop %ecx 31*7c3d14c8STreehugger Robot ret 32*7c3d14c8STreehugger RobotEND_COMPILERRT_FUNCTION(__chkstk_ms) 33*7c3d14c8STreehugger Robot 34*7c3d14c8STreehugger Robot#endif // __i386__ 35