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# Copyright (C) 2009-2014 Free Software Foundation, Inc.
# 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 GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
#
# This file contains the support procedures for testing the plugin mechanism.
load_lib dg.exp
load_lib gcc.exp
#
# plugin-get-options -- process test directives
#
# SRC is the full pathname of the plugin source file.
#
proc plugin-get-options { src } {
# dg-options sets a variable called dg-extra-tool-flags.
set dg-extra-tool-flags ""
# dg-require-* sets dg-do-what.
upvar dg-do-what dg-do-what
set tmp [dg-get-options $src]
foreach op $tmp {
set cmd [lindex $op 0]
if { ![string compare "dg-options" $cmd] } {
set status [catch "$op" errmsg]
if { $status != 0 } {
perror "src: $errmsg for \"$op\"\n"
unresolved "$src: $errmsg for \"$op\""
return
}
} else {
# Ignore unrecognized dg- commands, but warn about them.
warning "plugin.exp does not support $cmd"
}
}
# Return flags to use for compiling the plugin source file
return ${dg-extra-tool-flags}
}
#
# plugin-test-execute -- build the plugin first and then compile the
# test files with the plugin.
#
# PLUGIN_SRC is the full pathname of the plugin source file.
# PLUGIN_TESTS is a list of input test source files.
#
proc plugin-test-execute { plugin_src plugin_tests } {
global srcdir objdir
global verbose
global GMPINC
global PLUGINCC
global PLUGINCFLAGS
set basename [file tail $plugin_src]
set base [file rootname $basename]
set plugin_lib $base.so
set testcase [dg-trim-dirname $srcdir $plugin_src]
verbose "Test the plugin $testcase" 1
# Build the plugin itself
set extra_flags [plugin-get-options $plugin_src]
# Note that the plugin test support currently only works when the GCC
# build tree is available. (We make sure that is the case in plugin.exp.)
# Once we have figured out how/where to package/install GCC header files
# for general plugin support, we should modify the following include paths
# accordingly.
set gcc_srcdir "$srcdir/../.."
set gcc_objdir "$objdir/../../.."
set includes "-I. -I${srcdir} -I${gcc_srcdir}/gcc -I${gcc_objdir}/gcc \
-I${gcc_srcdir}/include -I${gcc_srcdir}/libcpp/include \
$GMPINC -I${gcc_objdir}/intl"
if { [ ishost *-*-darwin* ] } {
# -mdynamic-no-pic is incompatible with -fPIC.
set plug_cflags ""
foreach op $PLUGINCFLAGS {
if { [string compare "-mdynamic-no-pic" $op] } {
set plug_cflags [concat $plug_cflags " $op"]
}
}
set optstr "$includes"
foreach op $extra_flags {
if { [string compare "-mdynamic-no-pic" $op] } {
set optstr [concat $optstr " $op"]
}
}
set optstr [concat $optstr "-DIN_GCC -fPIC -shared -fno-rtti -undefined dynamic_lookup"]
} else {
set plug_cflags $PLUGINCFLAGS
set optstr "$includes $extra_flags -DIN_GCC -fPIC -shared -fno-rtti"
}
# Temporarily switch to the environment for the plugin compiler.
restore_ld_library_path_env_vars
set status [remote_exec build "$PLUGINCC $plug_cflags $plugin_src $optstr -o $plugin_lib"]
set status [lindex $status 0]
set_ld_library_path_env_vars
if { $status != 0 } then {
fail "$testcase compilation"
# Strictly, this is wrong: the tests compiled with the plugin should
# become unresolved instead.
return
} else {
pass "$testcase compilation"
}
# Compile the input source files with the plugin
global default_flags
set plugin_enabling_flags "-fplugin=./$plugin_lib"
dg-runtest $plugin_tests $plugin_enabling_flags $default_flags
# Clean up
remote_file build delete $plugin_lib
}
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