1# 2# Copyright 2009 Sun Microsystems, Inc. All rights reserved. 3# Use is subject to license terms. 4# 5# CDDL HEADER START 6# 7# The contents of this file are subject to the terms of the 8# Common Development and Distribution License (the "License"). 9# You may not use this file except in compliance with the License. 10# 11# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 12# or http://www.opensolaris.org/os/licensing. 13# See the License for the specific language governing permissions 14# and limitations under the License. 15# 16# When distributing Covered Code, include this CDDL HEADER in each 17# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 18# If applicable, add the following below this CDDL HEADER, with the 19# fields enclosed by brackets "[]" replaced with your own identifying 20# information: Portions Copyright [yyyy] [name of copyright owner] 21# 22# CDDL HEADER END 23# 24# Link-editor mapfile that enables the creation of a bss segment, and aligns 25# the segment at 4Mb. This effectively provides an appropriate alignment for 26# large page mapping of the heap, and thus can be useful when building dynamic 27# executables. See ppgsz(1). Users are cautioned that an alignment 28# specification may be machine-specific, and may lose its benefit on different 29# hardware platforms. A more flexible means of requesting the most optimal 30# underlying page size may evolve in future releases. 31# 32# The link-editor does not use this file automatically, so one must use the 33# -M option to cc or ld: 34# 35# cc -M /usr/lib/ld/map.bssalign myprogram.c 36# 37bss = A0x400000; 38