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2000-05-13 H.J. Lu (hjl@gnu.org)

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* lib/ld-lib.exp (default_ld_link): Redirect the linker output
	to link_output and make it global.

	* ld-elfvsb/elf-offset.ld: New. ELF visibility fearture
	tests.
	* ld-elfvsb/elfvsb.dat: Likewise.
	* ld-elfvsb/elfvsb.exp: Likewise.
	* ld-elfvsb/main.c: Likewise.
	* ld-elfvsb/sh1.c: Likewise.
	* ld-elfvsb/sh2.c: Likewise.
This commit is contained in:
H.J. Lu 2000-05-13 16:54:32 +00:00
parent 558b0a60a8
commit 6fc49d288b
8 changed files with 836 additions and 4 deletions
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13
ld/testsuite/ChangeLog
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@ -1,3 +1,16 @@
2000-05-13 H.J. Lu (hjl@gnu.org)
* lib/ld-lib.exp (default_ld_link): Redirect the linker output
to link_output and make it global.
* ld-elfvsb/elf-offset.ld: New. ELF visibility fearture
tests.
* ld-elfvsb/elfvsb.dat: Likewise.
* ld-elfvsb/elfvsb.exp: Likewise.
* ld-elfvsb/main.c: Likewise.
* ld-elfvsb/sh1.c: Likewise.
* ld-elfvsb/sh2.c: Likewise.
Fri Apr 21 15:16:07 2000 Richard Henderson <rth@cygnus.com>
* testsuite/ld-scripts/phdrs.exp: IA-64 is 64-bit ELF too.

168
ld/testsuite/ld-elfvsb/elf-offset.ld Normal file
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19
ld/testsuite/ld-elfvsb/elfvsb.dat Normal file
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mainvar == 1
overriddenvar == 2
shlibvar1 == 3
shlib_mainvar () == 1
shlib_overriddenvar () == 2
shlib_shlibvar1 () == 3
shlib_shlibvar2 () == 4
shlib_shlibcall () == 5
shlib_shlibcall2 () == 8
shlib_maincall () == 6
main_called () == 6
shlib_checkfunptr1 (shlib_shlibvar1) == 1
shlib_checkfunptr2 (main_called) == 1
shlib_getfunptr1 () == shlib_shlibvar1
shlib_getfunptr2 () == main_called
shlib_check () == 1
visibility_check () == 1
visibility_checkfunptr () == 1
main_visibility_check () == 1

298
ld/testsuite/ld-elfvsb/elfvsb.exp Normal file
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# Expect script for ld-visibility tests
# Copyright (C) 2000 Free Software Foundation
#
# This file 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Written by Ian Lance Taylor (ian@cygnus.com)
# and H.J. Lu (hjl@gnu.org)
#
# Make sure that ld can generate ELF shared libraries with visibility.
# This test can only be run if ld generates native executables.
if ![isnative] then {return}
# This test can only be run on a couple of ELF platforms.
# Square bracket expressions seem to confuse istarget.
if { ![istarget i386-*-linux*] \
&& ![istarget i486-*-linux*] \
&& ![istarget i586-*-linux*] \
&& ![istarget i686-*-linux*] \
&& ![istarget m68k-*-linux*] \
&& ![istarget powerpc-*-linux*] \
&& ![istarget sparc*-*-linux*] } {
return
}
if { [istarget *-*-linux*aout*] \
|| [istarget *-*-linux*oldld*] } {
return
}
set tmpdir tmpdir
set SHCFLAG ""
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
# AIX shared libraries do not seem to support useful features,
# like overriding the shared library function or letting the
# shared library refer to objects defined in the main program. We
# avoid testing those features.
set SHCFLAG "-DXCOFF_TEST"
# The AIX 3.2.5 loader appears to randomly fail when loading
# shared libraries from NSF mounted partitions, so we avoid any
# potential problems by using a local directory.
catch {exec /bin/sh -c "echo $$"} pid
set tmpdir /usr/tmp/ld.$pid
catch "exec mkdir $tmpdir" exec_status
# On AIX, we need to explicitly export the symbols the shared
# library is going to provide, and need.
set file [open $tmpdir/xcoff.exp w]
puts $file shlibvar1
puts $file shlibvar2
puts $file shlib_shlibvar1
puts $file shlib_shlibvar2
puts $file shlib_shlibcall
puts $file shlib_shlibcalled
puts $file shlib_checkfunptr1
puts $file shlib_getfunptr1
puts $file shlib_check
close $file
}
# The test procedure.
proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
global ld
global srcdir
global subdir
global exec_output
global link_output
global host_triplet
global tmpdir
if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
# Build the shared library.
# On AIX, we need to use an export file.
set shared -shared
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
}
if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
fail "$testname"
return
}
# Link against the shared library. Use -rpath so that the
# dynamic linker can locate the shared library at runtime.
# On AIX, we must include /lib in -rpath, as otherwise the loader
# can not find -lc.
set rpath $tmpdir
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set rpath /lib:$tmpdir
}
if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
if { [ string match $visibility "hidden" ]
&& [string match "*/main.c*: undefined reference to \`visibility\'" $link_output] } {
pass "$testname"
} else {
fail "$testname"
}
return
}
if [ string match $visibility "hidden" ] {
fail "$testname"
}
# Run the resulting program
send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
verbose "$tmpdir/$progname >$tmpdir/$progname.out"
catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
if ![string match "" $exec_output] then {
send_log "$exec_output\n"
verbose "$exec_output"
fail "$testname"
return
}
send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
set exec_output [prune_warnings $exec_output]
if {![string match "" $exec_output]} then {
send_log "$exec_output\n"
verbose "$exec_output"
fail "$testname"
return
}
pass "$testname"
}
proc visibility_run {visibility} {
global CC
global CFLAGS
global SHCFLAG
global srcdir
global subdir
global tmpdir
global picflag
global target_triplet
if [ string match $visibility "hidden" ] {
set VSBCFLAG "-DHIDDEN_TEST"
} else { if [ string match $visibility "hidden_normal" ] {
set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
} else { if [ string match $visibility "protected" ] {
set VSBCFLAG "-DPROTECTED_TEST"
} else {
set VSBCFLAG ""
}}}
# Compile the main program.
if ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
unresolved "visibility ($visibility) (non PIC)"
unresolved "visibility ($visibility)"
} else {
# The shared library is composed of two files. First compile them
# without using -fpic. That should work on an ELF system,
# although it will be less efficient because the dynamic linker
# will need to do more relocation work. However, note that not
# using -fpic will cause some of the tests to return different
# results.
if { ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
|| ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
unresolved "visibility ($visibility) (non PIC)"
} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
visibility_test $visibility vnp "visibility ($visibility) (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
} else {
# SunOS non PIC shared libraries don't permit some cases of
# overriding.
if [ string match $visibility "protected" ] {
setup_xfail $target_triplet
} else {
setup_xfail "*-*-sunos4*"
}
visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
# Test ELF shared library relocations with a non-zero load
# address for the library. Near as I can tell, the R_*_RELATIVE
# relocations for various targets are broken in the case where
# the load address is not zero (which is the default).
if [ string match $visibility "protected" ] {
setup_xfail $target_triplet
} else {
setup_xfail "*-*-sunos4*"
setup_xfail "*-*-linux*libc1"
}
visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
mainnp.o sh1np.o sh2np.o elfvsb \
"-T $srcdir/$subdir/elf-offset.ld"
} }
# Now compile the code using -fpic.
if { ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
|| ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
unresolved "visibility ($visibility)"
} else {
if [ string match $visibility "protected" ] {
setup_xfail $target_triplet
}
# SunOS can not compare function pointers correctly
if [istarget "*-*-sunos4*"] {
visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
} else {
visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
} }
}
}
# Now do the same tests again, but this time compile main.c PIC.
if ![ld_compile "$CC $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
unresolved "visibility ($visibility) (PIC main, non PIC so)"
unresolved "visibility ($visibility) (PIC main)"
} else {
if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
} else {
# SunOS non PIC shared libraries don't permit some cases of
# overriding.
if [ string match $visibility "protected" ] {
setup_xfail $target_triplet
} else {
setup_xfail "*-*-sunos4*"
}
visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
}
} else {
unresolved "visibility (PIC main, non PIC so)"
}
if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
if [ string match $visibility "protected" ] {
setup_xfail $target_triplet
}
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
} else {
visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
}
} else {
unresolved "visibility ($visibility) (PIC main)"
}
}
}
if [istarget mips*-*-*] {
set picflag ""
} else {
# Unfortunately, the gcc argument is -fpic and the cc argument is
# -KPIC. We have to try both.
set picflag "-fpic"
send_log "$CC $picflag\n"
verbose "$CC $picflag"
catch "exec $CC $picflag" exec_output
send_log "$exec_output\n"
verbose "--" "$exec_output"
if { [string match "*illegal option*" $exec_output] \
|| [string match "*option ignored*" $exec_output] \
|| [string match "*unrecognized option*" $exec_output] \
|| [string match "*passed to ld*" $exec_output] } {
if [istarget *-*-sunos4*] {
set picflag "-pic"
} else {
set picflag "-KPIC"
}
}
}
verbose "Using $picflag to compile PIC code"
visibility_run hidden
visibility_run hidden_normal
visibility_run protected
visibility_run normal
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
# Remove the temporary directory.
catch "exec rm -rf $tmpdir" exec_status
}

104
ld/testsuite/ld-elfvsb/main.c Normal file
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/* This is the main program for the shared library test. */
#include <stdio.h>
int mainvar = 1;
int overriddenvar = 2;
extern int shlibvar1;
extern int shlib_mainvar ();
extern int shlib_overriddenvar ();
extern int shlib_shlibvar1 ();
extern int shlib_shlibvar2 ();
extern int shlib_shlibcall ();
extern int shlib_maincall ();
extern int shlib_checkfunptr1 ();
extern int shlib_checkfunptr2 ();
extern int (*shlib_getfunptr1 ()) ();
extern int (*shlib_getfunptr2 ()) ();
extern int shlib_check ();
extern int shlib_shlibcall2 ();
extern int visibility ();
extern int visibility_check ();
extern int visibility_checkfunptr ();
extern void *visibility_funptr ();
#if !defined (HIDDEN_TEST) && defined (PROTECTED_TEST)
int
visibility ()
{
return 1;
}
#endif
static int
main_visibility_check ()
{
return visibility_funptr () == visibility;
}
/* This function is called by the shared library. */
int
main_called ()
{
return 6;
}
/* This function overrides a function in the shared library. */
int
shlib_overriddencall2 ()
{
return 8;
}
int
main ()
{
int (*p) ();
printf ("mainvar == %d\n", mainvar);
printf ("overriddenvar == %d\n", overriddenvar);
printf ("shlibvar1 == %d\n", shlibvar1);
#ifndef XCOFF_TEST
printf ("shlib_mainvar () == %d\n", shlib_mainvar ());
printf ("shlib_overriddenvar () == %d\n", shlib_overriddenvar ());
#endif
printf ("shlib_shlibvar1 () == %d\n", shlib_shlibvar1 ());
printf ("shlib_shlibvar2 () == %d\n", shlib_shlibvar2 ());
printf ("shlib_shlibcall () == %d\n", shlib_shlibcall ());
#ifndef XCOFF_TEST
printf ("shlib_shlibcall2 () == %d\n", shlib_shlibcall2 ());
printf ("shlib_maincall () == %d\n", shlib_maincall ());
#endif
printf ("main_called () == %d\n", main_called ());
printf ("shlib_checkfunptr1 (shlib_shlibvar1) == %d\n",
shlib_checkfunptr1 (shlib_shlibvar1));
#ifndef XCOFF_TEST
printf ("shlib_checkfunptr2 (main_called) == %d\n",
shlib_checkfunptr2 (main_called));
#endif
p = shlib_getfunptr1 ();
printf ("shlib_getfunptr1 () ");
if (p == shlib_shlibvar1)
printf ("==");
else
printf ("!=");
printf (" shlib_shlibvar1\n");
#ifndef XCOFF_TEST
p = shlib_getfunptr2 ();
printf ("shlib_getfunptr2 () ");
if (p == main_called)
printf ("==");
else
printf ("!=");
printf (" main_called\n");
#endif
printf ("shlib_check () == %d\n", shlib_check ());
printf ("visibility_check () == %d\n", visibility_check ());
printf ("visibility_checkfunptr () == %d\n",
visibility_checkfunptr ());
printf ("main_visibility_check () == %d\n", main_visibility_check ());
return 0;
}

215
ld/testsuite/ld-elfvsb/sh1.c Normal file
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/* This is part of the shared library ld test. This file becomes part
of a shared library. */
/* This variable is supplied by the main program. */
#ifndef XCOFF_TEST
extern int mainvar;
#endif
/* This variable is defined in the shared library, and overridden by
the main program. */
#ifndef XCOFF_TEST
int overriddenvar = -1;
#endif
/* This variable is defined in the shared library. */
int shlibvar1 = 3;
/* This variable is defined by another object in the shared library. */
extern int shlibvar2;
/* These functions return the values of the above variables as seen in
the shared library. */
#ifndef XCOFF_TEST
int
shlib_mainvar ()
{
return mainvar;
}
#endif
#ifndef XCOFF_TEST
int
shlib_overriddenvar ()
{
return overriddenvar;
}
#endif
int
shlib_shlibvar1 ()
{
return shlibvar1;
}
int
shlib_shlibvar2 ()
{
return shlibvar2;
}
/* This function calls a function defined by another object in the
shared library. */
extern int shlib_shlibcalled ();
int
shlib_shlibcall ()
{
return shlib_shlibcalled ();
}
#ifndef XCOFF_TEST
/* This function calls a function defined in this object in the shared
library. The main program will override the called function. */
extern int shlib_overriddencall2 ();
int
shlib_shlibcall2 ()
{
return shlib_overriddencall2 ();
}
int
shlib_overriddencall2 ()
{
return 7;
}
#endif
/* This function calls a function defined by the main program. */
#ifndef XCOFF_TEST
extern int main_called ();
int
shlib_maincall ()
{
return main_called ();
}
#endif
/* This function is passed a function pointer to shlib_mainvar. It
confirms that the pointer compares equally. */
int
shlib_checkfunptr1 (p)
int (*p) ();
{
return p == shlib_shlibvar1;
}
/* This function is passed a function pointer to main_called. It
confirms that the pointer compares equally. */
#ifndef XCOFF_TEST
int
shlib_checkfunptr2 (p)
int (*p) ();
{
return p == main_called;
}
#endif
/* This function returns a pointer to shlib_mainvar. */
int
(*shlib_getfunptr1 ()) ()
{
return shlib_shlibvar1;
}
/* This function returns a pointer to main_called. */
#ifndef XCOFF_TEST
int
(*shlib_getfunptr2 ()) ()
{
return main_called;
}
#endif
/* This function makes sure that constant data and local functions
work. */
#ifndef __STDC__
#define const
#endif
static int i = 6;
static const char *str = "Hello, world\n";
int
shlib_check ()
{
const char *s1, *s2;
if (i != 6)
return 0;
/* To isolate the test, don't rely on any external functions, such
as strcmp. */
s1 = "Hello, world\n";
s2 = str;
while (*s1 != '\0')
if (*s1++ != *s2++)
return 0;
if (*s2 != '\0')
return 0;
if (shlib_shlibvar1 () != 3)
return 0;
return 1;
}
int
visibility ()
{
return 2;
}
#ifdef HIDDEN_NORMAL_TEST
asm (".hidden visibility_normal");
int
visibility_normal ()
{
return 2;
}
#endif
int
visibility_checkfunptr ()
{
#ifdef HIDDEN_NORMAL_TEST
int (*v) () = visibility_normal;
#else
int (*v) () = visibility;
#endif
return (*v) () == 2;
}
int
visibility_check ()
{
#ifdef HIDDEN_NORMAL_TEST
return visibility_normal () == 2;
#else
return visibility () == 2;
#endif
}
void *
visibility_funptr ()
{
return visibility;
}
#ifdef HIDDEN_TEST
asm (".hidden visibility");
#else
asm (".protected visibility");
#endif

14
ld/testsuite/ld-elfvsb/sh2.c Normal file
View File

@ -0,0 +1,14 @@
/* This is part of the shared library ld test. This file becomes part
of a shared library. */
/* This variable is defined here, and referenced by another file in
the shared library. */
int shlibvar2 = 4;
/* This function is called by another file in the shared library. */
int
shlib_shlibcalled ()
{
return 5;
}

9
ld/testsuite/lib/ld-lib.exp
View File

@ -85,6 +85,7 @@ proc default_ld_link { ld target objects } {
global HOSTING_LIBS
global LIBS
global host_triplet
global link_output
set objs "$HOSTING_CRT0 $objects"
set libs "$LIBS $HOSTING_LIBS"
@ -98,12 +99,12 @@ proc default_ld_link { ld target objects } {
verbose -log "$ld $HOSTING_EMU $flags -o $target $objs $libs"
catch "exec $ld $HOSTING_EMU $flags -o $target $objs $libs" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
catch "exec $ld $HOSTING_EMU $flags -o $target $objs $libs" link_output
set exec_output [prune_warnings $link_output]
if [string match "" $link_output] then {
return 1
} else {
verbose -log "$exec_output"
verbose -log "$link_output"
return 0
}
}