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  • This comparison shows the changes necessary to convert path 
    /open8_urisc/trunk/gnu/binutils/ld/testsuite/ld-elfcomm
    from Rev 13 to Rev 56
    ↔ Reverse comparison
  •

Rev 13 → Rev 56

/common1a.c
0,0 → 1,2
char foo1 [2] __attribute__((aligned(64)));
char foo2 [2] __attribute__((aligned(128)));
/common1b.c
0,0 → 1,7
static
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
__attribute__((__used__))
#endif /* __GNUC__ */
char dummy1 = 'X';
char foo1 [] = "Aligned at odd byte.";
char foo2 [4];
/elfcomm.exp
0,0 → 1,269
# Expect script for common symbol tests
# Copyright 2003, 2005, 2006, 2007, 2008, 2009
# Free Software Foundation, Inc.
#
# 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.
#
# Written by H.J. Lu (hjl@gnu.org)
#
 
# Make sure that ld correctly handles common symbols in ELF.
 
# This test can only be run on ELF platforms.
if ![is_elf_format] {
return
}
 
# hpux assembly is weird
if [istarget "hppa*-*-hpux*"] {
return
}
 
proc test_sort_common {} {
global exec_output
global objdump
global srcdir
global subdir
global as
global ld
set test "--sort-common (descending)"
verbose "Check to see that --sort-common sorts in descending alignment"
 
# We do not run the sort common tests for the DLX target because we know that the linker
# will seg-fault. The built-in DLX linker script requires that there be something in the
# .text section and our sort-common.s file does not provide anything.
if [istarget dlx-*-*] {
untested "$test"
return 0
}
if { ![ld_assemble $as $srcdir/$subdir/sort-common.s tmpdir/sort-common.o] } {
unresolved "$test"
return 0
}
 
if { ![ld_simple_link $ld tmpdir/sort-common.dx "--sort-common=descending tmpdir/sort-common.o"] } {
fail "$test"
return 0
}
 
send_log "$objdump --syms tmpdir/sort-common.dx | grep var | sort\n"
set exec_output [run_host_cmd "$objdump" "--syms tmpdir/sort-common.dx | grep var | sort"]
 
# Don't know why, but the CR ports fail this test.
setup_xfail "cr16-*-*" "crx-*-*"
 
# Note: The second regexp is for targets which put small commons in a .sbss
# section and large commons in a .bss section.
if { ![regexp ".*var_16.*var_8.*var_4.*var_2.*var_1.*" $exec_output]
&& ![regexp ".*sbss.*var_8.*var_4.*var_2.*var_1.*bss.*var_16.*" $exec_output] } {
fail $test
} else {
pass $test
}
 
set test "--sort-common (ascending)"
verbose "Check to see that --sort-common=ascending sorts in ascending alignment"
 
if { ![ld_simple_link $ld tmpdir/sort-common.ax "--sort-common=ascending tmpdir/sort-common.o"] } {
fail "$test"
return 0
}
 
send_log "$objdump --syms tmpdir/sort-common.ax | grep var | sort\n"
set exec_output [run_host_cmd "$objdump" "--syms tmpdir/sort-common.ax | grep var | sort"]
 
if {![regexp ".*var_1.*var_2.*var_4.*var_8.*var_16.*" $exec_output]} {
fail $test
return 0
}
 
pass $test
return 1
}
 
test_sort_common
 
set test1 "size/aligment change of common symbols"
set test1w1 "$test1 (warning 1)"
set test1w2 "$test1 (warning 2)"
set test1c1 "$test1 (change 1)"
set test1c2 "$test1 (change 2)"
 
if { ![is_remote host] && [which $CC] == 0 } {
untested $test1w1
untested $test1w2
untested $test1c1
untested $test1c2
return
}
if { [istarget score-*-*] } {
untested $test1w1
untested $test1w2
untested $test1c1
untested $test1c2
return
}
 
proc dump_common1 { testname } {
global exec_output
global READELF
 
send_log "$READELF --syms tmpdir/common1.o | grep foo\n"
set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common1.o | grep foo"]
 
if { ![regexp "(\[ \]*)(\[0-9\]+):(\[ \]*)(\[0\]*)80(\[ \]+)4(\[ \]+)(COMMON|OBJECT)(\[ \]+)GLOBAL(\[ \]+)DEFAULT(\[ \]+)(PRC\\\[0xff03\\\]|COM|SCOM)(\[ \]+)_?foo2" $exec_output]
|| ![regexp "(\[ \]*)(\[0-9\]+):(\[ \]*)(\[0-9\]+)(\[ \]+)21(\[ \]+)OBJECT(\[ \]+)GLOBAL(\[ \]+)DEFAULT(\[ \]+)(\[0-9\]+)(\[ \]+)_?foo1" $exec_output] } {
verbose $exec_output
fail $testname
return 0
}
 
return 1
}
 
proc stt_common_test { options testname } {
global exec_output
global READELF
global ld
 
set options "$options tmpdir/common1a.o"
 
if { ! [ld_simple_link $ld tmpdir/common.exe $options] } {
unresolved $testname
return 0
}
 
send_log "$READELF --syms tmpdir/common.exe | grep foo\n"
set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common.exe | grep foo"]
 
if {![regexp "(\[ \]*)(\[0-9\]+):(\[ \]*)(\[0-9\]+)(\[ \]+)(\[0-9\]+)(\[ \]+)COMMON(\[ \]+)GLOBAL(\[ \]+)DEFAULT(\[ \]+)(\[0-9\]+)(\[ \]+)_?foo2" $exec_output] } {
fail $testname
return 0
}
 
pass $testname
return 1
}
 
# Check to see if the assembler is generating symbols with the STT_COMMON type.
proc assembler_generates_commons {} {
global exec_output
global READELF
 
verbose "Check to see if STT_COMMON symbols are being generated:"
set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common1a.o | grep foo"]
 
if { ![regexp "(\[ \]*)(\[0-9\]+):(\[ \]*)(\[0\]*)80(\[ \]+).(\[ \]+)COMMON(\[ \]+)GLOBAL(\[ \]+)DEFAULT(\[ \]+)(PRC\\\[0xff03\\\]|COM|SCOM)(\[ \]+)_?foo2" $exec_output] } {
verbose "STT_COMMON not generated"
return 0
}
 
verbose "STT_COMMON's are generated"
return 1
}
 
# Explicitly use "-fcommon" so that even if $CFLAGS includes
# "-fno-common", these tests are compiled as expected.
if { ![ld_compile "$CC $CFLAGS -fcommon" $srcdir/$subdir/common1a.c tmpdir/common1a.o]
|| ![ld_compile "$CC $CFLAGS -fcommon" $srcdir/$subdir/common1b.c tmpdir/common1b.o] } {
unresolved $test1
return
}
 
global ld
global link_output
 
set options "-r tmpdir/common1a.o tmpdir/common1b.o"
 
# SH64 targets needs an extra ld option for this test.
if [istarget sh64*-*-*] {
if [istarget sh64*l*-*-*] {
set options "-mshlelf32 $options"
} else {
set options "-mshelf32 $options"
}
}
 
if { [ld_simple_link $ld tmpdir/common1.o $options] } {
unresolved $test1w1
return
}
 
# This test fails on MIPS because the backend sets type_change_ok.
# The size change warning is suppressed. Same on hppa64.
if {[istarget mips*-*-*] || [istarget hppa*64*-*-*]} {
if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
fail $test1w1
} else {
pass $test1w1
}
} else {
if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output]
|| ![regexp "Warning: size of symbol \`_?foo1\' changed from 2 in tmpdir/common1a.o to 21 in tmpdir/common1b.o" $link_output] } {
fail $test1w1
} else {
pass $test1w1
}
}
 
if { [dump_common1 $test1c1] } {
pass $test1c1
}
 
set options "-r tmpdir/common1b.o tmpdir/common1a.o"
 
# SH64 targets needs an extra ld option for this test.
if [istarget sh64*-*-*] {
if [istarget sh64*l*-*-*] {
set options "-mshlelf32 $options"
} else {
set options "-mshelf32 $options"
}
}
 
if { [ld_simple_link $ld tmpdir/common1.o $options] } {
unresolved $test1w2
return
}
 
if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
fail $test1w2
} else {
pass $test1w2
}
 
if { [dump_common1 $test1c2] } {
pass $test1c2
}
 
#
# The following tests are for when we are generating STT_COMMON symbols only.
#
 
if { ![assembler_generates_commons] } {
return
}
 
stt_common_test "-static -e 0" "static link of common symbols"
stt_common_test "-shared" "shared link of common symbols"
stt_common_test "-pie" "position independent link of common symbols"
 
/sort-common.s
0,0 → 1,6
.comm var_1byte_align,1,1
.comm var_2byte_align,2,2
.comm var_4byte_align,4,4
.comm var_8byte_align,8,8
.comm var_16byte_align,16,16
 

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