From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/gcc/testsuite/lib/compat.exp | 399 +++++++++++++++++++++++++++++++++++ 1 file changed, 399 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/lib/compat.exp (limited to 'gcc-4.9/gcc/testsuite/lib/compat.exp') diff --git a/gcc-4.9/gcc/testsuite/lib/compat.exp b/gcc-4.9/gcc/testsuite/lib/compat.exp new file mode 100644 index 000000000..7ab85aafe --- /dev/null +++ b/gcc-4.9/gcc/testsuite/lib/compat.exp @@ -0,0 +1,399 @@ +# Copyright (C) 2002-2014 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 +# . + +# This file was written by Janis Johnson, + + +# Test interoperability of two compilers that follow the same ABI, or +# compatibility of two versions of GCC. +# +# Each test has a main program that does nothing but call a function, +# plus two additional source files that contain parts of a program that +# rely on the ABI. those source files are compiled into relocatable +# object files with both compilers. Executables are built using various +# combinations of those object files, with the main program compiled +# with the compiler under test and using that compiler's runtime support. + +# The including .exp file must define these callback procedures. +if [string match "" [info procs "compat-use-alt-compiler"]] then { + error "Proc compat-use-alt-compiler is not defined." +} +if [string match "" [info procs "compat-use-tst-compiler"]] then { + error "Proc compat-use-tst-compiler is not defined." +} + +# Each test is run with each pair of compiler options from this list. +# The first set of options in each pair is used by the compiler under +# test, and the second set is used by the alternate compiler. +# The default option lists can be overridden by +# COMPAT_OPTIONS="[list [list {tst_1} {alt_1}]...[list {tst_n} {alt_n}]]" +# where tst_i and alt_i are lists of options. You can put this in the +# environment before site.exp is written or add it to site.exp directly. +if ![info exists COMPAT_OPTIONS] { + set COMPAT_OPTIONS [list \ + [list {} {}]] +} + +set compat_option_list $COMPAT_OPTIONS + +# Subsets of tests can be selectively disabled by members of this list: +# - ATTRIBUTE: disable all tests using the __attribute__ extension, +# - COMPLEX: disable all tests using the complex types feature, +# - COMPLEX_INT: disable all tests using the complex integral types extension, +# - VA: disable all tests using the variable number of arguments feature, +# - VLA_IN_STRUCT: disable all tests using the variable-length arrays as +# structure members extension, +# - ZERO_ARRAY: disable all tests using the zero-sized arrays extension. +# The default skip lists can be overriden by +# COMPAT_SKIPS="[list {skip_1}...{skip_n}]" +# where skip_i are skip identifiers. You can put this in the environment +# before site.exp is written or add it to site.exp directly. +if ![info exists COMPAT_SKIPS] { + set COMPAT_SKIPS [list {}] +} + +global compat_skip_list +set compat_skip_list $COMPAT_SKIPS + +load_lib dg.exp +load_lib gcc-dg.exp + +# +# compat-obj -- compile to an object file +# +# SOURCE is the source file +# DEST is the object file +# OPTALL is the list of compiler options to use with all tests +# OPTFILE is the list of compiler options to use with this file +# OPTSTR is the options to print with test messages +# XFAILDATA is the xfail data to be passed to the compiler +# +proc compat-obj { source dest optall optfile optstr xfaildata } { + global testcase + global tool + global compiler_conditional_xfail_data + global compat_skip_list + + # Add the skip specifiers. + foreach skip $compat_skip_list { + if { ![string match $skip ""] } { + lappend optall "-DSKIP_$skip" + } + } + + # Set up the options for compiling this file. + set options "" + lappend options "additional_flags=$optfile $optall" + + set compiler_conditional_xfail_data $xfaildata + set comp_output [${tool}_target_compile "$source" "$dest" object $options] + ${tool}_check_compile "$testcase $dest compile" $optstr $dest $comp_output +} + +# compat-run -- link and run an executable +# +# TESTNAME is the mixture of object files to link +# OBJLIST is the list of object files to link +# DEST is the name of the executable +# OPTALL is a list of compiler and linker options to use for all tests +# OPTFILE is a list of compiler and linker options to use for this test +# OPTSTR is the list of options to list in messages +# +proc compat-run { testname objlist dest optall optfile optstr } { + global testcase + global tool + + # Check that all of the objects were built successfully. + foreach obj [split $objlist] { + if ![file_on_host exists $obj] then { + unresolved "$testcase $testname link $optstr" + unresolved "$testcase $testname execute $optstr" + return + } + } + + # Set up the options for linking this test. + set options "" + lappend options "additional_flags=$optfile $optall" + + # Link the objects into an executable. + set comp_output [${tool}_target_compile "$objlist" $dest executable \ + "$options"] + if ![${tool}_check_compile "$testcase $testname link" "" \ + $dest $comp_output] then { + unresolved "$testcase $testname execute $optstr" + return + } + + # Run the self-checking executable. + if ![string match "*/*" $dest] then { + set dest "./$dest" + } + set result [${tool}_load $dest "" ""] + set status [lindex $result 0] + if { $status == "pass" } then { + file_on_host delete $dest + } + $status "$testcase $testname execute $optstr" +} + +# +# compat-get-options-main -- get target requirements for a test and +# options for the primary source file and the test as a whole +# +# SRC is the full pathname of the primary source file. +# +proc compat-get-options-main { src } { + # dg-options sets a variable called dg-extra-tool-flags. + set dg-extra-tool-flags "" + # dg-options sets a variable called tool_flags. + set 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] \ + || [string match "dg-prune-output" $cmd] \ + || [string match "dg-skip-if" $cmd] \ + || [string match "dg-require-*" $cmd] } { + set status [catch "$op" errmsg] + if { $status != 0 } { + perror "src: $errmsg for \"$op\"\n" + unresolved "$src: $errmsg for \"$op\"" + return + } + } elseif { ![string compare "dg-xfail-if" $cmd] } { + warning "compat.exp does not support $cmd in primary source file" + } else { + # Ignore unrecognized dg- commands, but warn about them. + warning "compat.exp does not support $cmd" + } + } + + # Return flags to use for compiling the primary source file and for + # linking. + return ${dg-extra-tool-flags} +} + +# +# compat-get-options -- get special tool flags to use for a secondary +# source file +# +# SRC is the full pathname of the source file. +# The result is a list of options to use. +# +# This code is copied from proc dg-test in dg.exp from DejaGNU. +# +proc compat-get-options { src } { + # dg-options sets a variable called dg-extra-tool-flags. + set dg-extra-tool-flags "" + + # dg-xfail-if sets compiler_conditional_xfail_data. + global compiler_conditional_xfail_data + set compiler_conditional_xfail_data "" + + # dg-xfail-if needs access to 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] \ + || ![string compare "dg-prune-output" $cmd] \ + || ![string compare "dg-xfail-if" $cmd] } { + set status [catch "$op" errmsg] + if { $status != 0 } { + perror "src: $errmsg for \"$op\"\n" + unresolved "$src: $errmsg for \"$op\"" + return + } + } elseif { [string match "dg-require-*" $cmd] } { + warning "compat.exp does not support $cmd in secondary source files" + } else { + # Ignore unrecognized dg- commands, but warn about them. + warning "compat.exp does not support $cmd" + } + } + + return ${dg-extra-tool-flags} +} + +# +# compat-execute -- compile with compatible compilers +# +# SRC1 is the full pathname of the main file of the testcase. +# SID identifies a test suite in the names of temporary files. +# USE_ALT is nonzero if we're using an alternate compiler as well as +# the compiler under test. +# +proc compat-execute { src1 sid use_alt } { + global srcdir tmpdir + global compat_option_list + global tool + global verbose + global testcase + global gluefile + global compiler_conditional_xfail_data + global dg-do-what-default + + # Get extra flags for this test from the primary source file, and + # process other dg-* options that this suite supports. Warn about + # unsupported flags. + verbose "compat-execute: $src1" 1 + set dg-do-what [list ${dg-do-what-default} "" P] + set extra_flags_1 [compat-get-options-main $src1] + + # Set up the names of the other source files. + set dir [file dirname $src1] + set ext [file extension $src1] + set base [file rootname $src1] + set base [string range $base [string length $dir] end] + regsub "_main" $base "" base + set src2 "${dir}/${base}_x${ext}" + set src3 "${dir}/${base}_y${ext}" + + # Use the dg-options mechanism to specify extra flags for this test. + # The extra flags in each file are used to compile that file, and the + # extra flags in *_main.* are also used for linking. + set extra_flags_2 [compat-get-options $src2] + set compile_xfail_2 $compiler_conditional_xfail_data + set extra_flags_3 [compat-get-options $src3] + set compile_xfail_3 $compiler_conditional_xfail_data + + # On the SPU, most of the compat test cases exceed local store size. + # Use automatic overlay support to make them fit. + if { [check_effective_target_spu_auto_overlay] } { + set extra_flags_1 "$extra_flags_1 -Wl,--auto-overlay" + set extra_flags_1 "$extra_flags_1 -Wl,--extra-stack-space=8192" + set extra_flags_1 "$extra_flags_1 -ffunction-sections" + set extra_flags_2 "$extra_flags_2 -ffunction-sections" + set extra_flags_3 "$extra_flags_3 -ffunction-sections" + } + + # Define the names of the object files. + regsub "sid" "sid_main_tst.o" $sid obj1 + regsub "sid" "sid_x_tst.o" $sid obj2_tst + regsub "sid" "sid_x_alt.o" $sid obj2_alt + regsub "sid" "sid_y_tst.o" $sid obj3_tst + regsub "sid" "sid_y_alt.o" $sid obj3_alt + + # Get the base name of this test, for use in messages. + set testcase "$src1" + # Remove the $srcdir and $tmpdir prefixes from $src1. (It would + # be possible to use "regsub" here, if we were careful to escape + # all regular expression characters in $srcdir and $tmpdir, but + # that would be more complicated that this approach.) + if {[string first "$srcdir/" "$src1"] == 0} { + set testcase [string range "$src1" [string length "$srcdir/"] end] + } + if {[string first "$tmpdir/" "$testcase"] == 0} { + set testcase [string range "$testcase" [string length "$tmpdir/"] end] + set testcase "tmpdir-$testcase" + } + # If we couldn't rip $srcdir out of `src1' then just do the best we can. + # The point is to reduce the unnecessary noise in the logs. Don't strip + # out too much because different testcases with the same name can confuse + # `test-tool'. + if [string match "/*" $testcase] then { + set testcase "[file tail [file dirname $src1]]/[file tail $src1]" + } + + # Check whether this test is supported for this target. + if { [lindex ${dg-do-what} 1 ] == "N" } { + unsupported "$testcase" + verbose "$testcase not supported on this target, skipping it" 3 + return + } + + regsub "_main.*" $testcase "" testcase + # Set up the base name of executable files so they'll be unique. + regsub -all "\[./\]" $testcase "-" execbase + + # Loop through all of the option lists used for this test. + + set count 0 + foreach option_pair $compat_option_list { + + # Pick out each set of options. + set tst_option [lindex $option_pair 0] + set alt_option [lindex $option_pair 1] + set optstr "" + if { ![string match $tst_option ""] \ + || ![string match $alt_option ""] } then { + set optstr "\"$tst_option\",\"$alt_option\"" + } + verbose "Testing $testcase, $optstr" 1 + + # There's a unique name for each executable we generate, based on + # the set of options and how the pieces of the tests are compiled. + set execname1 "${execbase}-${count}1.exe" + set execname2 "${execbase}-${count}2.exe" + set execname3 "${execbase}-${count}3.exe" + set execname4 "${execbase}-${count}4.exe" + incr count + + file_on_host delete $execname1 + file_on_host delete $execname2 + file_on_host delete $execname3 + file_on_host delete $execname4 + + # Compile pieces with the alternate compiler; we'll catch problems + # later. Skip this if we don't have an alternate compiler. + if { $use_alt != 0 } then { + compat-use-alt-compiler + compat-obj "$src2" "$obj2_alt" $alt_option $extra_flags_2 \ + $optstr $compile_xfail_2 + compat-obj "$src3" "$obj3_alt" $alt_option $extra_flags_3 \ + $optstr $compile_xfail_3 + } + + # Compile pieces with the compiler under test. + compat-use-tst-compiler + compat-obj "$src1" "$obj1" $tst_option $extra_flags_1 $optstr "" + compat-obj "$src2" "$obj2_tst" $tst_option $extra_flags_2 \ + $optstr $compile_xfail_2 + compat-obj "$src3" "$obj3_tst" $tst_option $extra_flags_3 \ + $optstr $compile_xfail_3 + + # Link (using the compiler under test), run, and clean up tests. + compat-run "${obj2_tst}-${obj3_tst}" \ + "$obj1 $obj2_tst $obj3_tst" $execname1 \ + $tst_option $extra_flags_1 $optstr + + # If we've got an alternate compiler try some combinations. + if { $use_alt != 0 } then { + compat-run "${obj2_tst}-${obj3_alt}" "$obj1 $obj2_tst $obj3_alt" \ + $execname2 $tst_option $extra_flags_1 $optstr + compat-run "${obj2_alt}-${obj3_tst}" "$obj1 $obj2_alt $obj3_tst" \ + $execname3 $tst_option $extra_flags_1 $optstr + compat-run "${obj2_alt}-${obj3_alt}" "$obj1 $obj2_alt $obj3_alt" \ + $execname4 $tst_option $extra_flags_1 $optstr + } + + # Clean up object files. + set files [glob -nocomplain ${sid}_*.o] + if { $files != "" } { + foreach objfile $files { + if { ![info exists gluefile] || $objfile != $gluefile } { + eval "file_on_host delete $objfile" + } + } + } + } +} -- cgit v1.2.3