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jeremybenn |
# Copyright (C) 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
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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 GCC; see the file COPYING3. If not see
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# .
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#
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# This file was written by Jakub Jelinek,
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# Based on compat.exp writte by Janis Johnson,
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# Test interoperability of two compilers that follow the same ABI.
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#
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# Break simple tests into two pieces and see that they work when linked
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# together. If an alternate compiler is specified then the two main
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# pieces of each test are compiled with different compilers. The
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# alternate compiler must be installed, and is specified by defining
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# ALT_CC_UNDER_TEST in the environment.
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#
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# struct-layout-1 are generated structure layout interoperability tests,
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# so a generator first needs to be compiled on host, run there and the
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# generated tests then compiled on build and executed on target.
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if $tracelevel then {
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strace $tracelevel
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}
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global GCC_UNDER_TEST
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global compat_save_gcc_under_test
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global compat_use_alt
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global compat_same_alt
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global compat_have_dfp
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# Load procedures from common libraries.
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load_lib standard.exp
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load_lib gcc.exp
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load_lib target-libpath.exp
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# Load the language-dependent compabibility support procedures.
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load_lib c-compat.exp
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# Load the language-independent compabibility support procedures.
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load_lib compat.exp
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gcc_init
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# Save variables for the C compiler under test, which each test will
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# change a couple of times. This must be done after calling gcc-init.
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set compat_save_gcc_under_test $GCC_UNDER_TEST
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# Define an identifier for use with this suite to avoid name conflicts
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# with other compat tests running at the same time.
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set sid "c_compat"
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# Find out whether there is an alternate compiler to test. If the
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# variable is defined but is set to "same", that means we use the same
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# compiler twice, which is meaningful if the two parts of COMPAT_OPTIONS
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# are different.
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set compat_use_alt 0
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set compat_same_alt 0
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if [info exists ALT_CC_UNDER_TEST] then {
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set compat_use_alt 1
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if [string match "same" $ALT_CC_UNDER_TEST] then {
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set compat_same_alt 1
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}
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}
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compat_setup_dfp
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if { $compat_have_dfp == 0 } {
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set skip_dfp "-DSKIP_DECIMAL_FLOAT"
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} else {
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set skip_dfp ""
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}
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set tstobjdir "$tmpdir/gcc.dg-struct-layout-1"
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set generator "$tmpdir/gcc.dg-struct-layout-1_generate.exe"
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set generator_src "$srcdir/$subdir/struct-layout-1_generate.c"
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set generator_src "$generator_src $srcdir/$subdir/generate-random.c"
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set generator_src "$generator_src $srcdir/$subdir/generate-random_r.c"
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set generator_cmd "-o $generator $skip_dfp $generator_src"
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# Temporarily switch to the environment for the host compiler.
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restore_ld_library_path_env_vars
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set status [remote_exec build "$HOSTCC $HOSTCFLAGS $generator_cmd"]
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set status [lindex $status 0]
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set_ld_library_path_env_vars
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if { $status == 0 } then {
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file delete -force $tstobjdir
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file mkdir $tstobjdir
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set generator_args "-s $srcdir/$subdir -d $tstobjdir"
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if [info exists env(RUN_ALL_COMPAT_TESTS) ] then {
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set generator_args "$generator_args -n 15000"
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}
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if [check_effective_target_short_enums] then {
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set generator_args "-e $generator_args"
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}
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set status [remote_exec host "$generator $generator_args"]
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set status [lindex $status 0]
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if { $status == 0 } then {
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foreach src [lsort [find $tstobjdir *_main.c]] {
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# If we're only testing specific files and this isn't one
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# of them, skip it.
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if ![runtest_file_p $runtests $src] then {
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continue
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}
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compat-execute $src $sid $compat_use_alt
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}
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} else {
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warning "Could not execute gcc.dg/compat/struct-layout-1 generator"
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}
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} else {
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warning "Could not compile gcc.dg/compat/struct-layout-1 generator"
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}
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# Restore the original compiler under test.
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compat-use-tst-compiler
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