1*4887Schin /*********************************************************************** 2*4887Schin * * 3*4887Schin * This software is part of the ast package * 4*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5*4887Schin * and is licensed under the * 6*4887Schin * Common Public License, Version 1.0 * 7*4887Schin * by AT&T Knowledge Ventures * 8*4887Schin * * 9*4887Schin * A copy of the License is available at * 10*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 11*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12*4887Schin * * 13*4887Schin * Information and Software Systems Research * 14*4887Schin * AT&T Research * 15*4887Schin * Florham Park NJ * 16*4887Schin * * 17*4887Schin * Glenn Fowler <gsf@research.att.com> * 18*4887Schin * David Korn <dgk@research.att.com> * 19*4887Schin * Phong Vo <kpv@research.att.com> * 20*4887Schin * * 21*4887Schin ***********************************************************************/ 22*4887Schin #if defined(_UWIN) && defined(_BLD_ast) 23*4887Schin 24*4887Schin void _STUB_vmsegment(){} 25*4887Schin 26*4887Schin #else 27*4887Schin 28*4887Schin #include "vmhdr.h" 29*4887Schin 30*4887Schin /* Get the segment containing this address 31*4887Schin ** 32*4887Schin ** Written by Kiem-Phong Vo, kpv@research.att.com, 02/07/95 33*4887Schin */ 34*4887Schin 35*4887Schin #if __STD_C 36*4887Schin Void_t* vmsegment(Vmalloc_t* vm, Void_t* addr) 37*4887Schin #else 38*4887Schin Void_t* vmsegment(vm, addr) 39*4887Schin Vmalloc_t* vm; /* region */ 40*4887Schin Void_t* addr; /* address */ 41*4887Schin #endif 42*4887Schin { 43*4887Schin reg Seg_t* seg; 44*4887Schin reg Vmdata_t* vd = vm->data; 45*4887Schin 46*4887Schin if(!(vd->mode&VM_TRUST)) 47*4887Schin { if(ISLOCK(vd,0)) 48*4887Schin return NIL(Void_t*); 49*4887Schin SETLOCK(vd,0); 50*4887Schin } 51*4887Schin 52*4887Schin for(seg = vd->seg; seg; seg = seg->next) 53*4887Schin if((Vmuchar_t*)addr >= (Vmuchar_t*)seg->addr && 54*4887Schin (Vmuchar_t*)addr < (Vmuchar_t*)seg->baddr ) 55*4887Schin break; 56*4887Schin 57*4887Schin CLRLOCK(vd,0); 58*4887Schin return seg ? (Void_t*)seg->addr : NIL(Void_t*); 59*4887Schin } 60*4887Schin 61*4887Schin #endif 62