xref: /illumos-gate/usr/src/common/mapfiles/common/map.noexbss (revision cd3e9333)

#
# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
#
# CDDL HEADER START
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# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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# When distributing Covered Code, include this CDDL HEADER in each
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#
# Link-editor mapfile to create a non-executable bss segment definition
# within an executable.  This mapfile is similar to map.noexdata that
# can be used on x86 architectures to create a non-executable data
# segment.  On SPARC, the data segment contains a Procedure Linkage
# Table (PLT) that must remain executable.
#
# As the bss segment is extended by sbrk(2) to enlarge the heap, a
# non-executable bss segment also results in a non-exutable heap.
#
# The link-editor does not use this file automatically, so one must
# use the -M option to cc or ld:
#
#       cc -M /usr/lib/ld/map.noexbss myprogram.c
#

$mapfile_version 2

LOAD_SEGMENT bss {
	FLAGS = READ WRITE;
};

# See also /usr/lib/ld/map.noexdata.