ld/testsuite/ld-plugin/plugin.exp

# Expect script for ld-plugin tests
#   Copyright 2010
#   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.

# These tests require the plugin API to be configured in.
if ![check_plugin_api_available] {
    return
}

# And a compiler to be available.
set can_compile 1
set failure_kind "unresolved"
if { [which $CC] == 0 } {
  # Don't fail immediately, 
  set can_compile 0
  set failure_kind "unsupported"
}

pass "plugin API enabled"

global base_dir

# Look for the name we can dlopen in the test plugin's libtool control script.
set plugin_name [file_contents "$base_dir/libldtestplug.la"]
set plugin_name [regsub "'.*" [regsub ".*dlname='" "$plugin_name" ""] ""]
verbose "plugin name is '$plugin_name'"

# Use libtool to find full path to plugin rather than worrying
# about run paths or anything like that.
catch "exec $base_dir/libtool --config" lt_config
verbose "Full lt config: $lt_config" 3
# Look for "objdir=.libs"
regexp -line "^objdir=.*$" "$lt_config" lt_objdir
verbose "lt_objdir line is '$lt_objdir'" 3
set lt_objdir [regsub "objdir=" "$lt_objdir" ""]
set plugin_path "$base_dir/$lt_objdir/$plugin_name"
verbose "Full plugin path $plugin_path" 2

set regclm "-plugin-opt registerclaimfile"
set regas "-plugin-opt registerallsymbolsread"
set regcln "-plugin-opt registercleanup"

# In order to define symbols in plugin options in the list of tests below,
# we need to know if the platform prepends an underscore to C symbols,
# which we find out by compiling the test objects now.  If there is any
# error compiling, we defer reporting it until after the list of tests has
# been initialised, so that we can use the names in the list to report;
# otherwise, we scan one of the files with 'nm' and look for a known symbol
# in the output to see if it is prefixed or not.
set failed_compile 0
set _ ""
set plugin_nm_output ""
if { $can_compile && \
	(![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c tmpdir/main.o] \
	|| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/func.c tmpdir/func.o] \
	|| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/text.c tmpdir/text.o]) } {
    # Defer fail until we have list of tests set.
    set failed_compile 1
}

if { $can_compile && !$failed_compile } {
    # Find out if symbols have prefix on this platform before setting tests.
    catch "exec $NM tmpdir/func.o" plugin_nm_output
    if { [regexp "_func" "$plugin_nm_output"] } {
	set _ "_"
    }
}

set testobjfiles "tmpdir/main.o tmpdir/func.o tmpdir/text.o"
set testobjfiles_notext "tmpdir/main.o tmpdir/func.o"
# Rather than having libs we just define dummy values for anything
# we may need to link a target exe; we aren't going to run it anyway.
set libs "[ld_simple_link_defsyms] --defsym ${_}printf=0 --defsym ${_}puts=0"

set plugin_tests [list \
    [list "load plugin" "-plugin $plugin_path \
    $testobjfiles $libs" "" "" {{ld plugin-1.d}} "main.x" ] \
    [list "fail plugin onload" "-plugin $plugin_path -plugin-opt failonload \
    $testobjfiles $libs" "" "" {{ld plugin-2.d}} "main.x" ] \
    [list "fail plugin allsymbolsread" "-plugin $plugin_path $regas \
			-plugin-opt failallsymbolsread \
    $testobjfiles $libs" "" "" {{ld plugin-3.d}} "main.x" ] \
    [list "fail plugin cleanup" "-plugin $plugin_path -plugin-opt failcleanup \
			$regcln \
    $testobjfiles $libs" "" "" {{ld plugin-4.d}} "main.x" ] \
    [list "plugin all hooks" "-plugin $plugin_path $regclm $regas $regcln \
    $testobjfiles $libs" "" "" {{ld plugin-5.d}} "main.x" ] \
    [list "plugin claimfile lost symbol" "-plugin $plugin_path $regclm \
			$regas $regcln -plugin-opt claim:tmpdir/func.o \
    $testobjfiles $libs" "" "" {{ld plugin-6.d}} "main.x" ] \
    [list "plugin claimfile replace symbol" "-plugin $plugin_path $regclm \
			$regas $regcln -plugin-opt claim:tmpdir/func.o \
			-plugin-opt sym:${_}func::0:0:0 \
    $testobjfiles $libs" "" "" {{ld plugin-7.d}} "main.x" ] \
    [list "plugin claimfile resolve symbol" "-plugin $plugin_path $regclm \
			$regas $regcln -plugin-opt claim:tmpdir/func.o \
			-plugin-opt sym:${_}func::0:0:0 \
			-plugin-opt sym:${_}func2::0:0:0 \
			-plugin-opt dumpresolutions \
    $testobjfiles $libs" "" "" {{ld plugin-8.d}} "main.x" ] \
    [list "plugin claimfile replace file" "-plugin $plugin_path $regclm \
			$regas $regcln -plugin-opt claim:tmpdir/func.o \
			-plugin-opt sym:${_}func::0:0:0 \
			-plugin-opt sym:${_}func2::0:0:0 \
			-plugin-opt dumpresolutions \
			-plugin-opt add:tmpdir/func.o \
    $testobjfiles $libs" "" "" {{ld plugin-9.d}} "main.x" ] \
]

set plugin_lib_tests [list \
    [list "plugin ignore lib" "-plugin $plugin_path $regclm \
			$regas $regcln -plugin-opt claim:tmpdir/func.o \
			-plugin-opt sym:${_}func::0:0:0 \
			-plugin-opt sym:${_}func2::0:0:0 \
			-plugin-opt dumpresolutions \
			-plugin-opt add:tmpdir/func.o \
    $testobjfiles_notext -Ltmpdir -ltext $libs" "" "" {{ld plugin-10.d}} "main.x" ] \
    [list "plugin claimfile replace lib" "-plugin $plugin_path $regclm \
			$regas $regcln -plugin-opt claim:tmpdir/func.o \
			-plugin-opt sym:${_}func::0:0:0 \
			-plugin-opt sym:${_}func2::0:0:0 \
			-plugin-opt dumpresolutions \
			-plugin-opt add:tmpdir/func.o \
			-plugin-opt claim:tmpdir/libtext.a \
			-plugin-opt sym:${_}text::0:0:0 \
			-plugin-opt add:tmpdir/text.o \
    $testobjfiles_notext -Ltmpdir -ltext $libs" "" "" {{ld plugin-11.d}} "main.x" ] \
]

set plugin_extra_elf_tests [list \
    [list "plugin set symbol visibility" "-plugin $plugin_path $regclm \
			$regas $regcln -plugin-opt claim:tmpdir/func.o \
			-plugin-opt sym:${_}func::0:0:0 \
			-plugin-opt sym:${_}func1::0:1:0 \
			-plugin-opt sym:${_}func2::0:2:0 \
			-plugin-opt sym:${_}func3::0:3:0 \
			-plugin-opt dumpresolutions \
    $testobjfiles $libs" "" "" {{ld plugin-ignore.d} \
				{readelf -s plugin-vis-1.d}} "main.x" ] \
]

# TODO(simonb): Plugin tests attempt to use ld-new to link a test program,
# but on powerpc platforms the link command these tests generate results
# in spurious errors and warnings from ld-new that cause the tests to fail.
# For the moment, XFAIL these tests on powerpc by unsetting can_compile so
# that we enter the error handling loop below.
if { [istarget "powerpc*-*-*"] } {
  set can_compile 0
  set failure_kind "xfail"
}

if { !$can_compile || $failed_compile } {
    foreach testitem $plugin_tests {
	$failure_kind [lindex $testitem 0]
    }
    if { [is_elf_format] } {
	foreach testitem $plugin_extra_elf_tests {
	    $failure_kind [lindex $testitem 0]
	}
    }
    return
}

run_ld_link_tests $plugin_tests

if { [is_elf_format] } {
    run_ld_link_tests $plugin_extra_elf_tests
}

if ![ar_simple_create $ar "" "tmpdir/libtext.a" "tmpdir/text.o"] {
    foreach testitem $plugin_lib_tests {
	unresolved [lindex $testitem 0]
    }
} else {
    run_ld_link_tests $plugin_lib_tests
}