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# Test the assigment of sections to segments.
#
# Copyright 2008, 2010 Free Software Foundation, Inc.
# Contributed by Red Hat.
#
# This file is part of the GNU Binutils.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
set testname "assignment of ELF sections to segments"
if {! [is_elf_format] } {
unsupported $testname
return
}
if { ! [ld_assemble $as $srcdir/$subdir/sec-to-seg1.s tmpdir/sec-to-seg1.o]
|| ! [ld_assemble $as $srcdir/$subdir/sec-to-seg2.s tmpdir/sec-to-seg2.o]} then {
unresolved $testname
return
}
proc sec_to_seg_test { testname scriptname same_seg } {
global srcdir
global subdir
global ld
global exec_output
global READELF
if {! [ld_simple_link $ld tmpdir/sec-to-seg "-T $srcdir/$subdir/$scriptname tmpdir/sec-to-seg1.o tmpdir/sec-to-seg2.o"] } then {
fail $testname
return 0
}
send_log "$READELF --program-headers --section-headers tmpdir/sec-to-seg\n"
set exec_output [run_host_cmd "$READELF" "--program-headers --section-headers tmpdir/sec-to-seg"]
if { $same_seg == 1 } {
if {! [regexp ".*.sec1 .sec2" $exec_output] } {
fail $testname
return 0
}
} else {
if { [regexp ".*.sec1 .sec2" $exec_output] } {
fail $testname
return 0
}
}
pass $testname
return 1
}
# Assuming a pagesize of 0x1000 then:
#
# Test Sec1 End Sec 2 Start Expected Result
# ---- -------- ----------- ---------------
# A 00001042 00001043 Both sections on same page: assign to same segment.
# B 00001042 00002044 Sections on adjacent pages: assign to same segment.
# C 00001042 00003044 Sections on disjoint pages: assign to separate segments.
# These targets have a pagesize of 1, so they will always end up
# placing the two sections in separate segments in the B test.
if { [istarget avr-*-*]
|| [istarget cr16-*-*]
|| [istarget crx-*-*]
|| [istarget dlx-*-*]
|| [istarget h8300-*-*]
|| [istarget i960-*-*]
|| [istarget ip2k-*-*]
|| [istarget m32r-*-*]
|| [istarget m88k-*-*]
|| [istarget moxie-*-*]
|| [istarget msp430-*-*]
|| [istarget mt-*-*]
} {
set B_test_same_seg 0
} else {
set B_test_same_seg 1
}
sec_to_seg_test "assignment of ELF sections to segments (same page)" "sec-to-seg-script-same-page.t" 1
sec_to_seg_test "assignment of ELF sections to segments (adjacent pages)" "sec-to-seg-script-adjoining-pages.t" $B_test_same_seg
sec_to_seg_test "assignment of ELF sections to segments (disjoint pages)" "sec-to-seg-script-disjoint-pages.t" 0
# FIXME: Add more tests to check other rules of section to segment assignment.
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