RTHeapDep is located in:
runtime/src/SPARC/RTHeapDep.m3
runtime/src/SOLsun/RTHeapDep.m3
runtime/src/VAX/RTHeapDep.m3
runtime/src/UMAX/RTHeapDep.m3
runtime/src/ARM/RTHeapDep.m3
runtime/src/FreeBSD2/RTHeapDep.m3
runtime/src/SUN386/RTHeapDep.m3
runtime/src/SUN3/RTHeapDep.m3
runtime/src/FreeBSD/RTHeapDep.m3
runtime/src/AP3000/RTHeapDep.m3
runtime/src/OKI/RTHeapDep.m3
runtime/src/DS3100/RTHeapDep.m3
runtime/src/SEQUENT/RTHeapDep.m3
runtime/src/IBMR2/RTHeapDep.m3
runtime/src/HPPA/RTHeapDep.m3
runtime/src/HP300/RTHeapDep.m3
runtime/src/LINUX/RTHeapDep.m3
runtime/src/NEXT/RTHeapDep.m3
runtime/src/LINUXELF/RTHeapDep.m3
runtime/src/IRIX5/RTHeapDep.m3
runtime/src/NT386/RTHeapDep.m3
runtime/src/ALPHA_OSF/RTHeapDep.m3
runtime/src/SOLgnu/RTHeapDep.m3
runtime/src/IBMRT/RTHeapDep.m3
runtime/src/AIX386/RTHeapDep.m3