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Diffstat (limited to 'gcc/testsuite/lib/gcc.exp')
| -rw-r--r-- | gcc/testsuite/lib/gcc.exp | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/gcc/testsuite/lib/gcc.exp b/gcc/testsuite/lib/gcc.exp new file mode 100644 index 00000000000..ac11d0ba26d --- /dev/null +++ b/gcc/testsuite/lib/gcc.exp @@ -0,0 +1,268 @@ +# Copyright (C) 1992, 1993, 1994, 1996, 1997 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 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gcc@prep.ai.mit.edu + +# This file was written by Rob Savoye (rob@cygnus.com) +# Currently maintained by Doug Evans (dje@cygnus.com) + +# This file is loaded by the tool init file (eg: unix.exp). It provides +# default definitions for gcc_start, etc. and other supporting cast members. + +# These globals are used by gcc_start if no compiler arguments are provided. +# They are also used by the various testsuites to define the environment: +# where to find stdio.h, libc.a, etc. + +# we want to use libgloss so we can get find_gcc. +load_lib libgloss.exp + +# +# GCC_UNDER_TEST is the compiler under test. +# + +# +# default_gcc_version -- extract and print the version number of the compiler +# + +proc default_gcc_version { } { + global GCC_UNDER_TEST + + gcc_init; + + # ignore any arguments after the command + set compiler [lindex $GCC_UNDER_TEST 0] + + if ![is_remote host] { + set compiler_name [which $compiler]; + } else { + set compiler_name $compiler; + } + + # verify that the compiler exists + if { $compiler_name != 0 } then { + set tmp [remote_exec host "$compiler -v"] + set status [lindex $tmp 0]; + set output [lindex $tmp 1]; + regexp "version.*$" $output version + if { $status == 0 && [info exists version] } then { + clone_output "$compiler_name $version\n" + } else { + clone_output "Couldn't determine version of $compiler_name: $output\n" + } + } else { + # compiler does not exist (this should have already been detected) + warning "$compiler does not exist" + } +} + +# +# Call gcc_version. We do it this way so we can override it if needed. +# +proc gcc_version { } { + default_gcc_version; +} + +# +# gcc_init -- called at the start of each .exp script. +# +# There currently isn't much to do, but always using it allows us to +# make some enhancements without having to go back and rewrite the scripts. +# + +set gcc_initialized 0 + +proc gcc_init { args } { + global tmpdir + global libdir + global gluefile wrap_flags + global gcc_initialized + global GCC_UNDER_TEST + global TOOL_EXECUTABLE + + if { $gcc_initialized == 1 } { return; } + + if ![info exists GCC_UNDER_TEST] { + if [info exists TOOL_EXECUTABLE] { + set GCC_UNDER_TEST $TOOL_EXECUTABLE; + } else { + set GCC_UNDER_TEST "[find_gcc]" + } + } + + if ![info exists tmpdir] then { + set tmpdir /tmp + } + if { [target_info needs_status_wrapper]!="" && ![info exists gluefile] } { + set gluefile ${tmpdir}/testglue.o; + set result [build_wrapper $gluefile]; + if { $result != "" } { + set gluefile [lindex $result 0]; + set wrap_flags [lindex $result 1]; + } else { + unset gluefile + } + } +} + +proc gcc_target_compile { source dest type options } { + global tmpdir; + global gluefile wrap_flags; + global GCC_UNDER_TEST + global TOOL_OPTIONS + + if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } { + lappend options "libs=${gluefile}" + lappend options "ldflags=$wrap_flags" + } + + if [target_info exists gcc,stack_size] { + lappend options "additional_flags=-DSTACK_SIZE=[target_info gcc,stack_size]" + } + if [target_info exists gcc,no_trampolines] { + lappend options "additional_flags=-DNO_TRAMPOLINES" + } + if [target_info exists gcc,no_label_values] { + lappend options "additional_flags=-DNO_LABEL_VALUES" + } + if [info exists TOOL_OPTIONS] { + lappend options "additional_flags=$TOOL_OPTIONS" + } + if [target_info exists gcc,no_varargs] { + lappend options "additional_flags=-DNO_VARARGS" + } + lappend options "compiler=$GCC_UNDER_TEST" + return [target_compile $source $dest $type $options] +} + +# +# gcc_pass -- utility to record a testcase passed +# + +proc gcc_pass { testcase cflags } { + if { "$cflags" == "" } { + pass "$testcase" + } else { + pass "$testcase, $cflags" + } +} + +# +# gcc_fail -- utility to record a testcase failed +# + +proc gcc_fail { testcase cflags } { + if { "$cflags" == "" } { + fail "$testcase" + } else { + fail "$testcase, $cflags" + } +} + +# +# gcc_finish -- called at the end of every .exp script that calls gcc_init +# +# The purpose of this proc is to hide all quirks of the testing environment +# from the testsuites. It also exists to undo anything that gcc_init did +# (that needs undoing). +# + +proc gcc_finish { } { + # The testing harness apparently requires this. + global errorInfo; + + if [info exists errorInfo] then { + unset errorInfo + } + + # Might as well reset these (keeps our caller from wondering whether + # s/he has to or not). + global prms_id bug_id + set prms_id 0 + set bug_id 0 +} + +proc gcc_exit { } { + global gluefile; + + if [info exists gluefile] { + file_on_build delete $gluefile; + unset gluefile; + } +} + +# If this is an older version of dejagnu (without runtest_file_p), +# provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c. +# This can be deleted after next dejagnu release. + +if { [info procs runtest_file_p] == "" } then { + proc runtest_file_p { runtests testcase } { + if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then { + if { [lsearch $runtests [file tail $testcase]] >= 0 } then { + return 1 + } else { + return 0 + } + } + return 1 + } +} + +# Provide a definition of this if missing (delete after next dejagnu release). + +if { [info procs prune_warnings] == "" } then { + proc prune_warnings { text } { + return $text + } +} + +# Utility used by mike-gcc.exp and c-torture.exp. +# Check the compiler(/assembler/linker) output for text indicating that +# the testcase should be marked as "unsupported". +# +# When dealing with a large number of tests, it's difficult to weed out the +# ones that are too big for a particular cpu (eg: 16 bit with a small amount +# of memory). There are various ways to deal with this. Here's one. +# Fortunately, all of the cases where this is likely to happen will be using +# gld so we can tell what the error text will look like. + +proc ${tool}_check_unsupported_p { output } { + if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] { + return "memory full" + } + return "" +} + +# Prune messages from gcc that aren't useful. + +proc prune_gcc_output { text } { + #send_user "Before:$text\n" + regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text + regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text + + # It would be nice to avoid passing anything to gcc that would cause it to + # issue these messages (since ignoring them seems like a hack on our part), + # but that's too difficult in the general case. For example, sometimes + # you need to use -B to point gcc at crt0.o, but there are some targets + # that don't have crt0.o. + regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text + regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text + + #send_user "After:$text\n" + + return $text +} + |