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