378 lines
12 KiB
Plaintext
378 lines
12 KiB
Plaintext
# `mfdg' - overrides parts of general purpose testcase driver.
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# Copyright (C) 1994 - 2001, 2003 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 2 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 this program; if not, write to the Free Software
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# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# This is a modified excerpt of dejagnu/lib/dg.exp.
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load_lib dg.exp
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# dg-test -- runs a new style DejaGnu test
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#
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# Syntax: dg-test [-keep-output] prog tool_flags default_extra_tool_flags
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#
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# PROG is the full path name of the file to pass to the tool (eg: compiler).
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# TOOL_FLAGS is a set of options to always pass.
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# DEFAULT_EXTRA_TOOL_FLAGS are additional options if the testcase has none.
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#proc dg-test { prog tool_flags default_extra_tool_flags } {
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proc dg-test { args } {
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global dg-do-what-default dg-interpreter-batch-mode dg-linenum-format
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global errorCode errorInfo
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global tool
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global srcdir ;# eg: /calvin/dje/build/gcc/./testsuite/
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global host_triplet target_triplet
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set keep 0
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set i 0
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set dg-repetitions 1 ;# may be overridden by { dg-repetitions N }
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global dg-timeout
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set dg-timeout 0 ;# likewise by { dg-timeout N }
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if { [string index [lindex $args 0] 0] == "-" } {
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for { set i 0 } { $i < [llength $args] } { incr i } {
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if { [lindex $args $i] == "--" } {
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incr i
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break
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} elseif { [lindex $args $i] == "-keep-output" } {
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set keep 1
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} elseif { [string index [lindex $args $i] 0] == "-" } {
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clone_output "ERROR: dg-test: illegal argument: [lindex $args $i]"
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return
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} else {
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break
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}
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}
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}
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if { $i + 3 != [llength $args] } {
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clone_output "ERROR: dg-test: missing arguments in call"
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return
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}
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set prog [lindex $args $i]
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set tool_flags [lindex $args [expr $i + 1]]
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set default_extra_tool_flags [lindex $args [expr $i + 2]]
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set text "\[- A-Za-z0-9\.\;\"\_\:\'\`\(\)\!\#\=\+\?\&\*]*"
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set name [dg-trim-dirname $srcdir $prog]
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# If we couldn't rip $srcdir out of `prog' then just do the best we can.
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# The point is to reduce the unnecessary noise in the logs. Don't strip
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# out too much because different testcases with the same name can confuse
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# `test-tool'.
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if [string match "/*" $name] {
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set name "[file tail [file dirname $prog]]/[file tail $prog]"
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}
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if {$tool_flags != ""} {
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append name " ($tool_flags)"
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}
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# Process any embedded dg options in the testcase.
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# Use "" for the second element of dg-do-what so we can tell if it's been
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# explicitly set to "S".
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set dg-do-what [list ${dg-do-what-default} "" P]
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set dg-excess-errors-flag 0
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set dg-messages ""
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set dg-extra-tool-flags $default_extra_tool_flags
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set dg-final-code ""
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# `dg-output-text' is a list of two elements: pass/fail and text.
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# Leave second element off for now (indicates "don't perform test")
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set dg-output-text "P"
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# Define our own "special function" `unknown' so we catch spelling errors.
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# But first rename the existing one so we can restore it afterwards.
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catch {rename dg-save-unknown ""}
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rename unknown dg-save-unknown
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proc unknown { args } {
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return -code error "unknown dg option: $args"
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}
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set tmp [dg-get-options $prog]
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foreach op $tmp {
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verbose "Processing option: $op" 3
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set status [catch "$op" errmsg]
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if { $status != 0 } {
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if { 0 && [info exists errorInfo] } {
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# This also prints a backtrace which will just confuse
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# testcase writers, so it's disabled.
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perror "$name: $errorInfo\n"
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} else {
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perror "$name: $errmsg for \"$op\"\n"
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}
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# ??? The call to unresolved here is necessary to clear `errcnt'.
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# What we really need is a proc like perror that doesn't set errcnt.
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# It should also set exit_status to 1.
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unresolved "$name: $errmsg for \"$op\""
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return
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}
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}
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# Restore normal error handling.
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rename unknown ""
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rename dg-save-unknown unknown
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# If we're not supposed to try this test on this target, we're done.
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if { [lindex ${dg-do-what} 1] == "N" } {
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unsupported "$name"
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verbose "$name not supported on this target, skipping it" 3
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return
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}
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# Run the tool and analyze the results.
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# The result of ${tool}-dg-test is in a bit of flux.
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# Currently it is the name of the output file (or "" if none).
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# If we need more than this it will grow into a list of things.
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# No intention is made (at this point) to preserve upward compatibility
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# (though at some point we'll have to).
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set results [${tool}-dg-test $prog [lindex ${dg-do-what} 0] "$tool_flags ${dg-extra-tool-flags}"];
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set comp_output [lindex $results 0];
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set output_file [lindex $results 1];
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#send_user "\nold_dejagnu.exp: comp_output1 = :$comp_output:\n\n"
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#send_user "\nold_dejagnu.exp: message = :$message:\n\n"
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#send_user "\nold_dejagnu.exp: message length = [llength $message]\n\n"
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foreach i ${dg-messages} {
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verbose "Scanning for message: $i" 4
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# Remove all error messages for the line [lindex $i 0]
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# in the source file. If we find any, success!
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set line [lindex $i 0]
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set pattern [lindex $i 2]
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set comment [lindex $i 3]
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#send_user "Before:\n$comp_output\n"
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if [regsub -all "(^|\n)(\[^\n\]+$line\[^\n\]*($pattern)\[^\n\]*\n?)+" $comp_output "\n" comp_output] {
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set comp_output [string trimleft $comp_output]
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set ok pass
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set uhoh fail
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} else {
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set ok fail
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set uhoh pass
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}
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#send_user "After:\n$comp_output\n"
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# $line will either be a formatted line number or a number all by
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# itself. Delete the formatting.
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scan $line ${dg-linenum-format} line
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switch [lindex $i 1] {
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"ERROR" {
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$ok "$name $comment (test for errors, line $line)"
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}
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"XERROR" {
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x$ok "$name $comment (test for errors, line $line)"
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}
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"WARNING" {
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$ok "$name $comment (test for warnings, line $line)"
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}
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"XWARNING" {
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x$ok "$name $comment (test for warnings, line $line)"
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}
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"BOGUS" {
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$uhoh "$name $comment (test for bogus messages, line $line)"
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}
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"XBOGUS" {
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x$uhoh "$name $comment (test for bogus messages, line $line)"
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}
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"BUILD" {
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$uhoh "$name $comment (test for build failure, line $line)"
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}
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"XBUILD" {
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x$uhoh "$name $comment (test for build failure, line $line)"
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}
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"EXEC" { }
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"XEXEC" { }
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}
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#send_user "\nold_dejagnu.exp: comp_output2= :$comp_output:\n\n"
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}
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#send_user "\nold_dejagnu.exp: comp_output3 = :$comp_output:\n\n"
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# Remove messages from the tool that we can ignore.
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#send_user "comp_output: $comp_output\n"
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set comp_output [prune_warnings $comp_output]
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if { [info proc ${tool}-dg-prune] != "" } {
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set comp_output [${tool}-dg-prune $target_triplet $comp_output]
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switch -glob $comp_output {
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"::untested::*" {
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regsub "::untested::" $comp_output "" message
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untested "$name: $message"
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return
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}
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"::unresolved::*" {
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regsub "::unresolved::" $comp_output "" message
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unresolved "$name: $message"
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return
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}
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"::unsupported::*" {
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regsub "::unsupported::" $comp_output "" message
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unsupported "$name: $message"
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return
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}
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}
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}
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# See if someone forgot to delete the extra lines.
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regsub -all "\n+" $comp_output "\n" comp_output
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regsub "^\n+" $comp_output "" comp_output
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#send_user "comp_output: $comp_output\n"
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# Don't do this if we're testing an interpreter.
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# FIXME: why?
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if { ${dg-interpreter-batch-mode} == 0 } {
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# Catch excess errors (new bugs or incomplete testcases).
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if ${dg-excess-errors-flag} {
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setup_xfail "*-*-*"
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}
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if ![string match "" $comp_output] {
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fail "$name (test for excess errors)"
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send_log "Excess errors:\n$comp_output\n"
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} else {
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pass "$name (test for excess errors)"
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}
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}
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# Run the executable image if asked to do so.
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# FIXME: This is the only place where we assume a standard meaning to
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# the `keyword' argument of dg-do. This could be cleaned up.
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if { [lindex ${dg-do-what} 0] == "run" } {
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if ![file exists $output_file] {
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warning "$name compilation failed to produce executable"
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} else {
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set testname $name
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for {set rep 0} {$rep < ${dg-repetitions}} {incr rep} {
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# include repetition number in test name
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if {$rep > 0} { set name "$testname (rerun $rep)" }
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set status -1
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set result [${tool}_load $output_file]
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set status [lindex $result 0];
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set output [lindex $result 1];
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#send_user "After exec, status: $status\n"
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if { "$status" == "pass" } {
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verbose "Exec succeeded." 3
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} elseif { "$status" == "fail" } {
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# It would be nice to get some info out of errorCode.
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if [info exists errorCode] {
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verbose "Exec failed, errorCode: $errorCode" 3
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} else {
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verbose "Exec failed, errorCode not defined!" 3
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}
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}
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if { [lindex ${dg-do-what} 2] == "F" } {
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# Instead of modelling this as an xfail (via setup_xfail),
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# treat an expected crash as a success.
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if { $status == "pass" } then { set status fail } else { set status pass }
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set testtype "crash"
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} else { set testtype "execution" }
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$status "$name $testtype test"
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if { [llength ${dg-output-text}] > 1 } {
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#send_user "${dg-output-text}\n"
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if { [lindex ${dg-output-text} 0] == "F" } {
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setup_xfail "*-*-*"
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}
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set texttmp [lindex ${dg-output-text} 1]
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if { ![regexp $texttmp ${output}] } {
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fail "$name output pattern test"
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} else {
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pass "$name output pattern test"
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}
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verbose -log "Output pattern $texttmp"
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unset texttmp
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}
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}
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}
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}
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# Are there any further tests to perform?
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# Note that if the program has special run-time requirements, running
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# of the program can be delayed until here. Ditto for other situations.
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# It would be a bit cumbersome though.
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if ![string match ${dg-final-code} ""] {
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regsub -all "\\\\(\[{}\])" ${dg-final-code} "\\1" dg-final-code
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# Note that the use of `args' here makes this a varargs proc.
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proc dg-final-proc { args } ${dg-final-code}
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verbose "Running dg-final tests." 3
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verbose "dg-final-proc:\n[info body dg-final-proc]" 4
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if [catch "dg-final-proc $prog" errmsg] {
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perror "$name: error executing dg-final: $errmsg"
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# ??? The call to unresolved here is necessary to clear `errcnt'.
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# What we really need is a proc like perror that doesn't set errcnt.
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# It should also set exit_status to 1.
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unresolved "$name: error executing dg-final: $errmsg"
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}
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}
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# Do some final clean up.
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# When testing an interpreter, we don't compile something and leave an
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# output file.
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if { ! ${keep} && ${dg-interpreter-batch-mode} == 0 } {
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catch "exec rm -f $output_file"
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}
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}
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#
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# Indicate that this test case is to be rerun several times. This
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# is useful if it is nondeterministic. This applies to rerunning the
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# test program only, not rebuilding it.
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# The embedded format is "{ dg-repetitions N }", where N is the number
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# of repetitions. It better be greater than zero.
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#
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proc dg-repetitions { line value } {
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upvar dg-repetitions repetitions
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set repetitions $value
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}
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#
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# Indicate that this test case is to be run with a short timeout.
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# The embedded format is "{ dg-timeout N }", where N is in seconds.
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#
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proc dg-timeout { line value } {
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global dg-timeout
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set dg-timeout $value
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}
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# dejagnu's config/unix.exp hard-codes 300 seconds as the timeout
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# for any natively run executable. That's too long for tests run
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# multiple times and that may possibly hang. So we override it here
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# to provide some degree of control.
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rename standard_wait hooked_standard_wait
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proc standard_wait { dest timeout } {
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global dg-timeout
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if {[info exists dg-timeout]} {
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if {${dg-timeout} > 0} {
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verbose -log "Overriding timeout = ${dg-timeout}"
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set timeout ${dg-timeout}
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}
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}
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hooked_standard_wait $dest $timeout
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}
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