/* stuff needed for libgcc on win32. */ #ifdef L_chkstk .global __chkstk .global __alloca __chkstk: __alloca: pushl %ecx /* save temp */ movl %esp,%ecx /* get sp */ addl $0x8,%ecx /* and point to return addr */ probe: cmpl $0x1000,%eax /* > 4k ?*/ jb done subl $0x1000,%ecx /* yes, move pointer down 4k*/ orl $0x0,(%ecx) /* probe there */ subl $0x1000,%eax /* decrement count */ jmp probe /* and do it again */ done: subl %eax,%ecx orl $0x0,(%ecx) /* less that 4k, just peek here */ movl %esp,%eax movl %ecx,%esp /* decrement stack */ movl (%eax),%ecx /* recover saved temp */ movl 4(%eax),%eax /* get return address */ jmp *%eax #endif