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[/] [openrisc/] [trunk/] [gnu-stable/] [binutils-2.20.1/] [ld/] [testsuite/] [ld-elfcomm/] [elfcomm.exp] - Blame information for rev 818

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1 205 julius 
# Expect script for common symbol tests
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#   Copyright 2003, 2005, 2006, 2007, 2008, 2009
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#   Free Software Foundation, Inc.
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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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#
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# Written by H.J. Lu (hjl@gnu.org)
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#
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# Make sure that ld correctly handles common symbols in ELF.
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# This test can only be run on ELF platforms.
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if ![is_elf_format] {
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    return
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}
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32 
proc test_sort_common {} {
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    global exec_output
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    global objdump
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    global srcdir
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    global subdir
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    global as
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    global ld
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    set test "--sort-common (descending)"
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42 
    verbose "Check to see that --sort-common sorts in descending alignment"
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    # We do not run the sort common tests for the DLX target because we know that the linker
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    # will seg-fault.  The built-in DLX linker script requires that there be something in the
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    # .text section and our sort-common.s file does not provide anything.
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    if [istarget dlx-*-*] {
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        untested "$test"
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        return 0
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    }
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    if { ![ld_assemble $as $srcdir/$subdir/sort-common.s tmpdir/sort-common.o] } {
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        unresolved "$test"
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        return 0
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    }
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    if { ![ld_simple_link $ld tmpdir/sort-common.dx "--sort-common=descending tmpdir/sort-common.o"] } {
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        fail "$test"
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        return 0
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    }
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62 
    send_log "$objdump --syms tmpdir/sort-common.dx | grep var | sort\n"
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    set exec_output [run_host_cmd "$objdump" "--syms tmpdir/sort-common.dx | grep var | sort"]
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    # Don't know why, but the CR ports fail this test.
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    setup_xfail "cr16-*-*" "crx-*-*"
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68 
    # Note: The second regexp is for targets which put small commons in a .sbss
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    #  section and large commons in a .bss section.
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    if {   ![regexp ".*var_16.*var_8.*var_4.*var_2.*var_1.*" $exec_output]
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        && ![regexp ".*sbss.*var_8.*var_4.*var_2.*var_1.*bss.*var_16.*" $exec_output] } {
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        fail $test
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    } else {
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        pass $test
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    }
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    set test "--sort-common (ascending)"
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    verbose "Check to see that --sort-common=ascending sorts in ascending alignment"
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    if { ![ld_simple_link $ld tmpdir/sort-common.ax "--sort-common=ascending tmpdir/sort-common.o"] } {
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        fail "$test"
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        return 0
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    }
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86 
    send_log "$objdump --syms tmpdir/sort-common.ax | grep var | sort\n"
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    set exec_output [run_host_cmd "$objdump" "--syms tmpdir/sort-common.ax | grep var | sort"]
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    if {![regexp ".*var_1.*var_2.*var_4.*var_8.*var_16.*" $exec_output]} {
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        fail $test
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        return 0
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    }
93 
 
94 
    pass $test
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    return 1
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}
97 
 
98 
test_sort_common
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set test1       "size/aligment change of common symbols"
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set test1w1     "$test1 (warning 1)"
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set test1w2     "$test1 (warning 2)"
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set test1c1     "$test1 (change 1)"
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set test1c2     "$test1 (change 2)"
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if { ![is_remote host] && [which $CC] == 0 } {
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    untested $test1w1
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    untested $test1w2
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    untested $test1c1
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    untested $test1c2
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    return
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}
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if { [istarget score-*-*] } {
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    untested $test1w1
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    untested $test1w2
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    untested $test1c1
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    untested $test1c2
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    return
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}
120 
 
121 
proc dump_common1 { testname } {
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    global exec_output
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    global READELF
124 
 
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    send_log "$READELF --syms tmpdir/common1.o | grep foo\n"
126 
    set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common1.o | grep foo"]
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128 
    if {   ![regexp "(\[        \]*)(\[0-9\]+):(\[      \]*)(\[0\]*)80(\[       \]+)4(\[        \]+)(COMMON|OBJECT)(\[  \]+)GLOBAL(\[   \]+)DEFAULT(\[  \]+)(PRC\\\[0xff03\\\]|COM|SCOM)(\[     \]+)_?foo2" $exec_output]
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        || ![regexp "(\[        \]*)(\[0-9\]+):(\[      \]*)(\[0-9\]+)(\[       \]+)21(\[       \]+)OBJECT(\[   \]+)GLOBAL(\[   \]+)DEFAULT(\[  \]+)(\[0-9\]+)(\[       \]+)_?foo1" $exec_output] } {
130 
        verbose $exec_output
131 
        fail $testname
132 
        return 0
133 
    }
134 
 
135 
    return 1
136 
}
137 
 
138 
proc stt_common_test { options testname } {
139 
    global exec_output
140 
    global READELF
141 
    global ld
142 
 
143 
    set options "$options tmpdir/common1a.o"
144 
 
145 
    if { ! [ld_simple_link $ld tmpdir/common.exe $options] } {
146 
      unresolved $testname
147 
      return 0
148 
    }
149 
 
150 
    send_log "$READELF --syms tmpdir/common.exe | grep foo\n"
151 
    set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common.exe | grep foo"]
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153 
    if {![regexp "(\[   \]*)(\[0-9\]+):(\[      \]*)(\[0-9\]+)(\[       \]+)(\[0-9\]+)(\[       \]+)COMMON(\[   \]+)GLOBAL(\[   \]+)DEFAULT(\[  \]+)(\[0-9\]+)(\[       \]+)_?foo2" $exec_output] } {
154 
        fail $testname
155 
        return 0
156 
    }
157 
 
158 
    pass $testname
159 
    return 1
160 
}
161 
 
162 
# Check to see if the assembler is generating symbols with the STT_COMMON type.
163 
proc assembler_generates_commons {} {
164 
    global exec_output
165 
    global READELF
166 
 
167 
    verbose "Check to see if STT_COMMON symbols are being generated:"
168 
    set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common1a.o | grep foo"]
169 
 
170 
    if { ![regexp "(\[  \]*)(\[0-9\]+):(\[      \]*)(\[0\]*)80(\[       \]+).(\[        \]+)COMMON(\[   \]+)GLOBAL(\[   \]+)DEFAULT(\[  \]+)(PRC\\\[0xff03\\\]|COM|SCOM)(\[     \]+)_?foo2" $exec_output] } {
171 
        verbose "STT_COMMON not generated"
172 
        return 0
173 
    }
174 
 
175 
    verbose "STT_COMMON's are generated"
176 
    return 1
177 
}
178 
 
179 
 
180 
if {   ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/common1a.c tmpdir/common1a.o]
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    || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/common1b.c tmpdir/common1b.o] } {
182 
    unresolved $test1
183 
    return
184 
}
185 
 
186 
global ld
187 
global link_output
188 
 
189 
set options "-r tmpdir/common1a.o tmpdir/common1b.o"
190 
 
191 
# SH64 targets needs an extra ld option for this test.
192 
if [istarget sh64*-*-*] {
193 
    if [istarget sh64*l*-*-*] {
194 
        set options "-mshlelf32 $options"
195 
    } else {
196 
        set options "-mshelf32 $options"
197 
    }
198 
}
199 
 
200 
if { [ld_simple_link $ld tmpdir/common1.o $options] } {
201 
    unresolved $test1w1
202 
    return
203 
}
204 
 
205 
# This test fails on MIPS because the backend sets type_change_ok.
206 
# The size change warning is suppressed.
207 
if {[istarget mips*-*-*]} {
208 
    if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
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        fail $test1w1
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    } else {
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        pass $test1w1
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    }
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} else {
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    if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output]
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         || ![regexp "Warning: size of symbol \`_?foo1\' changed from 2 in tmpdir/common1a.o to 21 in tmpdir/common1b.o" $link_output] } {
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        fail $test1w1
217 
    } else {
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        pass $test1w1
219 
    }
220 
}
221 
 
222 
if { [dump_common1 $test1c1] } {
223 
    pass $test1c1
224 
}
225 
 
226 
set options "-r tmpdir/common1b.o tmpdir/common1a.o"
227 
 
228 
# SH64 targets needs an extra ld option for this test.
229 
if [istarget sh64*-*-*] {
230 
    if [istarget sh64*l*-*-*] {
231 
        set options "-mshlelf32 $options"
232 
    } else {
233 
        set options "-mshelf32 $options"
234 
    }
235 
}
236 
 
237 
if { [ld_simple_link $ld tmpdir/common1.o $options] } {
238 
    unresolved $test1w2
239 
    return
240 
}
241 
 
242 
if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
243 
    fail $test1w2
244 
} else {
245 
    pass $test1w2
246 
}
247 
 
248 
if { [dump_common1 $test1c2] } {
249 
    pass $test1c2
250 
}
251 
 
252 
#
253 
# The following tests are for when we are generating STT_COMMON symbols only.
254 
#
255 
 
256 
if { ![assembler_generates_commons] } {
257 
    return
258 
}
259 
 
260 
stt_common_test "-static -e 0" "static link of common symbols"
261 
stt_common_test "-shared"      "shared link of common symbols"
262 
stt_common_test "-pie"         "position independent link of common symbols"
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