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#   Copyright (C) 1997, 1999, 2000, 2003, 2004, 2005, 2006, 2007

#   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

# .

load_lib dg.exp

load_lib file-format.exp

load_lib target-supports.exp

load_lib target-supports-dg.exp

load_lib scanasm.exp

load_lib scanrtl.exp

load_lib scantree.exp

load_lib scanipa.exp

load_lib prune.exp

load_lib libgloss.exp

load_lib target-libpath.exp

# We set LC_ALL and LANG to C so that we get the same error messages as expected.

setenv LC_ALL C

setenv LANG C

if ![info exists TORTURE_OPTIONS] {

    # It is theoretically beneficial to group all of the O2/O3 options together,

    # as in many cases the compiler will generate identical executables for

    # all of them--and the c-torture testsuite will skip testing identical

    # executables multiple times.

    # Also note that -finline-functions is explicitly included in one of the

    # items below, even though -O3 is also specified, because some ports may

    # choose to disable inlining functions by default, even when optimizing.

    set TORTURE_OPTIONS [list \

        { -O0 } \

        { -O1 } \

        { -O2 } \

        { -O3 -fomit-frame-pointer } \

        { -O3 -fomit-frame-pointer -funroll-loops } \

        { -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \

        { -O3 -g } \

        { -Os } ]

}

global GCC_UNDER_TEST

if ![info exists GCC_UNDER_TEST] {

    set GCC_UNDER_TEST "[find_gcc]"

}

global orig_environment_saved

# This file may be sourced, so don't override environment settings

# that have been previously setup.

if { $orig_environment_saved == 0 } {

    append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]

    set_ld_library_path_env_vars

}

# Split TORTURE_OPTIONS into two choices: one for testcases with loops and

# one for testcases without loops.

set torture_with_loops $TORTURE_OPTIONS

set torture_without_loops ""

foreach option $TORTURE_OPTIONS {

    if ![string match "*loop*" $option] {

        lappend torture_without_loops $option

    }

}

# Define gcc callbacks for dg.exp.

proc gcc-dg-test-1 { target_compile prog do_what extra_tool_flags } {

    # Set up the compiler flags, based on what we're going to do.

    set options [list]

    # Tests should be able to use "dg-do repo".  However, the dg test

    # driver checks the argument to dg-do against a list of acceptable

    # options, and "repo" is not among them.  Therefore, we resort to

    # this ugly approach.

    if [string match "*-frepo*" $extra_tool_flags] then {

        set do_what "repo"

    }

    switch $do_what {

        "preprocess" {

            set compile_type "preprocess"

            set output_file "[file rootname [file tail $prog]].i"

        }

        "compile" {

            set compile_type "assembly"

            set output_file "[file rootname [file tail $prog]].s"

        }

        "assemble" {

            set compile_type "object"

            set output_file "[file rootname [file tail $prog]].o"

        }

        "precompile" {

            set compile_type "precompiled_header"

            set output_file "[file tail $prog].gch"

        }

        "link" {

            set compile_type "executable"

            set output_file "[file rootname [file tail $prog]].exe"

            # The following line is needed for targets like the i960 where

            # the default output file is b.out.  Sigh.

        }

        "repo" {

            set compile_type "object"

            set output_file "[file rootname [file tail $prog]].o"

        }

        "run" {

            set compile_type "executable"

            # FIXME: "./" is to cope with "." not being in $PATH.

            # Should this be handled elsewhere?

            # YES.

            set output_file "./[file rootname [file tail $prog]].exe"

            # This is the only place where we care if an executable was

            # created or not.  If it was, dg.exp will try to run it.

            catch { remote_file build delete $output_file }

        }

        default {

            perror "$do_what: not a valid dg-do keyword"

            return ""

        }

    }

    if { $extra_tool_flags != "" } {

        lappend options "additional_flags=$extra_tool_flags"

    }

    set comp_output [$target_compile "$prog" "$output_file" "$compile_type" $options]

    # Look for an internal compiler error, which sometimes masks the fact

    # that we didn't get an expected error message.  An ICE always fails,

    # there's no way to XFAIL it.

    if [string match "*internal compiler error*" $comp_output] {

        upvar 2 name name

        fail "$name (internal compiler error)"

    }

    if { $do_what == "repo" } {

        set object_file "$output_file"

        set output_file "[file rootname [file tail $prog]].exe"

        set comp_output \

            [ concat $comp_output \

                  [$target_compile "$object_file" "$output_file" \

                       "executable" $options] ]

    }

    return [list $comp_output $output_file]

}

proc gcc-dg-test { prog do_what extra_tool_flags } {

    return [gcc-dg-test-1 gcc_target_compile $prog $do_what $extra_tool_flags]

}

proc gcc-dg-prune { system text } {

    global additional_prunes

    set text [prune_gcc_output $text]

    foreach p $additional_prunes {

        if { [string length $p] > 0 } {

            # Following regexp matches a complete line containing $p.

            regsub -all "(^|\n)\[^\n\]*$p\[^\n\]*" $text "" text

        }

    }

    # If we see "region xxx is full" then the testcase is too big for ram.

    # This is tricky to deal with in a large testsuite like c-torture so

    # deal with it here.  Just mark the testcase as unsupported.

    if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $text] {

        # The format here is important.  See dg.exp.

        return "::unsupported::memory full"

    }

    return $text

}

# Replace ${tool}_load with a wrapper to provide for an expected nonzero

# exit status.  Multiple languages include this file so this handles them

# all, not just gcc.

if { [info procs ${tool}_load] != [list] \

      && [info procs saved_${tool}_load] == [list] } {

    rename ${tool}_load saved_${tool}_load

    proc ${tool}_load { program args } {

        global tool

        global shouldfail

        set result [eval [list saved_${tool}_load $program] $args]

        if { $shouldfail != 0 } {

            switch [lindex $result 0] {

                "pass" { set status "fail" }

                "fail" { set status "pass" }

            }

            set result [list $status [lindex $result 1]]

        }

        return $result

    }

}

# Utility routines.

#

# search_for -- looks for a string match in a file

#

proc search_for { file pattern } {

    set fd [open $file r]

    while { [gets $fd cur_line]>=0 } {

        if [string match "*$pattern*" $cur_line] then {

            close $fd

            return 1

        }

    }

    close $fd

    return 0

}

# Modified dg-runtest that can cycle through a list of optimization options

# as c-torture does.

proc gcc-dg-runtest { testcases default-extra-flags } {

    global runtests

    foreach test $testcases {

        # If we're only testing specific files and this isn't one of

        # them, skip it.

        if ![runtest_file_p $runtests $test] {

            continue

        }

        # Look for a loop within the source code - if we don't find one,

        # don't pass -funroll[-all]-loops.

        global torture_with_loops torture_without_loops

        if [expr [search_for $test "for*("]+[search_for $test "while*("]] {

            set option_list $torture_with_loops

        } else {

            set option_list $torture_without_loops

        }

        set nshort [file tail [file dirname $test]]/[file tail $test]

        foreach flags $option_list {

            verbose "Testing $nshort, $flags" 1

            dg-test $test $flags ${default-extra-flags}

        }

    }

}

proc gcc-dg-debug-runtest { target_compile trivial opt_opts testcases } {

    global srcdir subdir

    if ![info exists DEBUG_TORTURE_OPTIONS] {

        set DEBUG_TORTURE_OPTIONS ""

        foreach type {-gdwarf-2 -gstabs -gstabs+ -gxcoff -gxcoff+ -gcoff} {

            set comp_output [$target_compile \

                    "$srcdir/$subdir/$trivial" "trivial.S" assembly \

                    "additional_flags=$type"]

            if { ! [string match "*: target system does not support the * debug format*" \

                    $comp_output] } {

                foreach level {1 "" 3} {

                    lappend DEBUG_TORTURE_OPTIONS [list "${type}${level}"]

                    foreach opt $opt_opts {

                        lappend DEBUG_TORTURE_OPTIONS \

                                [list "${type}${level}" "$opt" ]

                    }

                }

            }

        }

    }

    verbose -log "Using options $DEBUG_TORTURE_OPTIONS"

    global runtests

    foreach test $testcases {

        # If we're only testing specific files and this isn't one of

        # them, skip it.

        if ![runtest_file_p $runtests $test] {

            continue

        }

        set nshort [file tail [file dirname $test]]/[file tail $test]

        foreach flags $DEBUG_TORTURE_OPTIONS {

            set doit 1

            # These tests check for information which may be deliberately

            # suppressed at -g1.

            if { ([string match {*/debug-[126].c} "$nshort"] \

                   || [string match {*/enum-1.c} "$nshort"] \

                   || [string match {*/enum-[12].C} "$nshort"]) \

                    && [string match "*1" [lindex "$flags" 0] ] } {

                set doit 0

            }

    # High optimization can remove the variable whose existence is tested.

    # Dwarf debugging with commentary (-dA) preserves the symbol name in the

    # assembler output, but stabs debugging does not.

    # http://gcc.gnu.org/ml/gcc-regression/2003-04/msg00095.html

            if { [string match {*/debug-[12].c} "$nshort"] \

                    && [string match "*O*" "$flags"] \

                    && ( [string match "*coff*" "$flags"] \

                         || [string match "*stabs*" "$flags"] ) } {

                set doit 0

            }

            if { $doit } {

                verbose -log "Testing $nshort, $flags" 1

                dg-test $test $flags ""

            }

        }

    }

}

# Prune any messages matching ARGS[1] (a regexp) from test output.

proc dg-prune-output { args } {

    global additional_prunes

    if { [llength $args] != 2 } {

        error "[lindex $args 1]: need one argument"

        return

    }

    lappend additional_prunes [lindex $args 1]

}

# Remove files matching the pattern from the build machine.

proc remove-build-file { pat } {

    verbose "remove-build-file `$pat'" 2

    set file_list "[glob -nocomplain $pat]"

    verbose "remove-build-file `$file_list'" 2

    foreach output_file $file_list {

        remote_file build delete $output_file

    }

}

# Remove compiler-generated coverage files for the current test.

proc cleanup-coverage-files { } {

    # This assumes that we are two frames down from dg-test or some other proc

    # that stores the filename of the testcase in a local variable "name".

    # A cleaner solution would require a new DejaGnu release.

    upvar 2 name testcase

    remove-build-file "[file rootname [file tail $testcase]].gc??"

    # Clean up coverage files for additional source files.

    if [info exists additional_sources] {

        foreach srcfile $additional_sources {

            remove-build-file "[file rootname [file tail $srcfile]].gc??"

        }

    }

}

# Remove compiler-generated files from -repo for the current test.

proc cleanup-repo-files { } {

    # This assumes that we are two frames down from dg-test or some other proc

    # that stores the filename of the testcase in a local variable "name".

    # A cleaner solution would require a new DejaGnu release.

    upvar 2 name testcase

    remove-build-file "[file rootname [file tail $testcase]].o"

    remove-build-file "[file rootname [file tail $testcase]].rpo"

    # Clean up files for additional source files.

    if [info exists additional_sources] {

        foreach srcfile $additional_sources {

            remove-build-file "[file rootname [file tail $srcfile]].o"

            remove-build-file "[file rootname [file tail $srcfile]].rpo"

        }

    }

}

# Remove compiler-generated RTL dump files for the current test.

#

# SUFFIX is the filename suffix pattern.

proc cleanup-rtl-dump { suffix } {

  cleanup-dump "\[0-9\]\[0-9\]\[0-9\]r.$suffix"

}

# Remove a specific tree dump file for the current test.

#

# SUFFIX is the tree dump file suffix pattern.

proc cleanup-tree-dump { suffix } {

  cleanup-dump "\[0-9\]\[0-9\]\[0-9\]t.$suffix"

}

# Remove a specific ipa dump file for the current test.

#

# SUFFIX is the ipa dump file suffix pattern.

proc cleanup-ipa-dump { suffix } {

  cleanup-dump "\[0-9\]\[0-9\]\[0-9\]i.$suffix"

}

# Remove all dump files with the provided suffix.

proc cleanup-dump { suffix } {

    # This assumes that we are three frames down from dg-test or some other

    # proc that stores the filename of the testcase in a local variable

    # "name".  A cleaner solution would require a new DejaGnu release.

    upvar 3 name testcase

    # The name might include a list of options; extract the file name.

    set src [file tail [lindex $testcase 0]]

    remove-build-file "[file tail $src].$suffix"

    # Clean up dump files for additional source files.

    if [info exists additional_sources] {

        foreach srcfile $additional_sources {

            remove-build-file "[file tail $srcfile].$suffix"

        }

    }

}

# Remove files kept by --save-temps for the current test.

#

# Currently this is only .i files, but more can be added if there are

# tests generating them.

proc cleanup-saved-temps { } {

    global additional_sources

    # This assumes that we are two frames down from dg-test or some other proc

    # that stores the filename of the testcase in a local variable "name".

    # A cleaner solution would require a new DejaGnu release.

    upvar 2 name testcase

    remove-build-file "[file rootname [file tail $testcase]].ii"

    remove-build-file "[file rootname [file tail $testcase]].i"

    # Clean up saved temp files for additional source files.

    if [info exists additional_sources] {

        foreach srcfile $additional_sources {

            remove-build-file "[file rootname [file tail $srcfile]].ii"

            remove-build-file "[file rootname [file tail $srcfile]].i"

        }

    }

}

# Remove files for specified Fortran modules.

proc cleanup-modules { modlist } {

    foreach modname $modlist {

        remove-build-file [string tolower $modname].mod

    }

}

# Verify that the compiler output file exists, invoked via dg-final.

proc output-exists { args } {

    # Process an optional target or xfail list.

    if { [llength $args] >= 1 } {

        switch [dg-process-target [lindex $args 0]] {

            "S" { }

            "N" { return }

            "F" { setup_xfail "*-*-*" }

            "P" { }

        }

    }

    # Access variables from gcc-dg-test-1.

    upvar 2 name testcase

    upvar 2 output_file output_file

    if [file exists $output_file] {

        pass "$testcase output-exists $output_file"

    } else {

        fail "$testcase output-exists $output_file"

    }

}

# Verify that the compiler output file does not exist, invoked via dg-final.

proc output-exists-not { args } {

    # Process an optional target or xfail list.

    if { [llength $args] >= 1 } {

        switch [dg-process-target [lindex $args 0]] {

            "S" { }

            "N" { return }

            "F" { setup_xfail "*-*-*" }

            "P" { }

        }

    }

    # Access variables from gcc-dg-test-1.

    upvar 2 name testcase

    upvar 2 output_file output_file

    if [file exists $output_file] {

        fail "$testcase output-exists-not $output_file"

    } else {

        pass "$testcase output-exists-not $output_file"

    }

}

# We need to make sure that additional_* are cleared out after every

# test.  It is not enough to clear them out *before* the next test run

# because gcc-target-compile gets run directly from some .exp files

# (outside of any test).  (Those uses should eventually be eliminated.)

# Because the DG framework doesn't provide a hook that is run at the

# end of a test, we must replace dg-test with a wrapper.

if { [info procs saved-dg-test] == [list] } {

    rename dg-test saved-dg-test

    proc dg-test { args } {

        global additional_files

        global additional_sources

        global additional_prunes

        global errorInfo

        global compiler_conditional_xfail_data

        global shouldfail

        if { [ catch { eval saved-dg-test $args } errmsg ] } {

            set saved_info $errorInfo

            set additional_files ""

            set additional_sources ""

            set additional_prunes ""

            set shouldfail 0

            if [info exists compiler_conditional_xfail_data] {

                unset compiler_conditional_xfail_data

            }

            error $errmsg $saved_info

        }

        set additional_files ""

        set additional_sources ""

        set additional_prunes ""

        set shouldfail 0

        if [info exists compiler_conditional_xfail_data] {

            unset compiler_conditional_xfail_data

        }

    }

}

set additional_prunes ""