171 lines
7.3 KiB
Plaintext
171 lines
7.3 KiB
Plaintext
# Copyright (C) 1997-2022 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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# <http://www.gnu.org/licenses/>.
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# Prune messages from gcc that aren't useful.
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load_lib multiline.exp
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# Add options to TEST_ALWAYS_FLAGS so that diagnostics have the expected output
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# format. Note: You should not normally need to add more options here. If you
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# have made a change to the default diagnostic output format and are wanting to
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# undo that in the testsuite here, then please update the handling of
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# -fdiagnostics-plain-output in opts-common.c instead.
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if ![info exists TEST_ALWAYS_FLAGS] {
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set TEST_ALWAYS_FLAGS ""
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}
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set TEST_ALWAYS_FLAGS "-fdiagnostics-plain-output $TEST_ALWAYS_FLAGS"
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proc prune_gcc_output { text } {
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global srcdir
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#send_user "Before:$text\n"
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# Handle any freeform regexps.
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set text [handle-dg-regexps $text]
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# Remove Windows .exe suffix
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regsub -all "(as|cc1|cc1plus|collect2|f951|ld|lto-wrapper)\.exe?:" $text {\1:} text
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regsub -all "(^|\n)(\[^\n\]*: \[iI\]|I)n ((static member |lambda )?function|member|method|(copy )?constructor|destructor|instantiation|substitution|program|subroutine|block-data)\[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*(: )?At (top level|global scope):\[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*: (recursively )?required \[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*: . skipping \[0-9\]* instantiation contexts \[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*: in .constexpr. expansion \[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*: in requirements \[^\n\]*" $text "" text
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regsub -all "(^|\n) inlined from \[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*: error: ld returned \[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*: re(compiling|linking)\[^\n\]*" $text "" text
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regsub -all "(^|\n)Please submit.*instructions\[^\n\]*" $text "" text
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regsub -all "(^|\n)\[0-9\]\[0-9\]* errors\." $text "" text
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# Diagnostic inclusion stack
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regsub -all "(^|\n)(In file)?\[ \]+included from \[^\n\]*" $text "" text
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regsub -all "(^|\n)\[ \]+from \[^\n\]*" $text "" text
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regsub -all "(^|\n)(In|of) module( \[^\n \]*,)? imported at \[^\n\]*" $text "" text
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global prune_notes
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if { $prune_notes } {
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# Ignore informational notes.
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regsub -all "(^|\n)\[^\n\]*: note: \[^\n\]*" $text "" text
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}
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# Ignore harmless -fpic warnings.
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regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC) ignored for target\[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC)( and -fpic are| is)? not supported\[^\n\]*" $text "" text
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# Ignore errata warning from IA64 assembler.
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regsub -all "(^|\n)\[^\n\]*: Additional NOP may be necessary to workaround Itanium processor A/B step errata" $text "" text
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regsub -all "(^|\n)\[^\n*\]*: Assembler messages:\[^\n\]*" $text "" text
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# Ignore harmless VTA note.
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regsub -all "(^|\n)\[^\n\]*: note: variable tracking size limit exceeded with -fvar-tracking-assignments, retrying without\[^\n\]*" $text "" text
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# It would be nice to avoid passing anything to gcc that would cause it to
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# issue these messages (since ignoring them seems like a hack on our part),
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# but that's too difficult in the general case. For example, sometimes
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# you need to use -B to point gcc at crt0.o, but there are some targets
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# that don't have crt0.o.
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regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
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regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
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# Ideally the tests would indicate that executable stacks were needed
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# to the linker. But the option for that varies and may not even exist
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# on some targets. So we're stuck pruning the warning.
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regsub -all "(^|\n)(\[^\n\]*: warning:\[^\n\]*requires executable stack\[^\n\]*\n?)+" $text "\\1" text
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# Ignore harmless warnings from Xcode 3.2.x.
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regsub -all "(^|\n)\[^\n\]*ld: warning: can't add line info to anonymous symbol\[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*warning: DWARFDebugInfoEntry::AppendDependants\[^\n\]*AT_\[^\n\]*FORM_ref4\[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*warning:\[^\n\]*TAG_variable: AT_location\[^\n\]*didn't have valid function low pc\[^\n\]*" $text "" text
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# Ignore harmless warnings from Xcode 4.0.
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regsub -all "(^|\n)\[^\n\]*ld: warning: could not create compact unwind for\[^\n\]*" $text "" text
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# Ignore dsymutil warning (tool bug is actually linker)
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regsub -all "(^|\n)\[^\n\]*could not find object file symbol for symbol\[^\n\]*" $text "" text
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# Ignore stabs obsoletion warnings
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regsub -all "(^|\n)\[^\n\]*\[Ww\]arning: STABS debugging information is obsolete and not supported anymore\[^\n\]*" $text "" text
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# Ignore missing lto jobserver for tests that do more than 1 LTRANS unit
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regsub -all "(^|\n)\[^\n\]*lto\[^\n\]*: warning: using serial compilation of \[^\n\]*" $text "" text
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regsub -all "(^|\n)\[^\n\]*lto\[^\n\]*: note: see the \[^\n\]*'-flto' option documentation\[^\n\]* for more information" $text "" text
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# Many tests that use visibility will still pass on platforms that don't support it.
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regsub -all "(^|\n)\[^\n\]*lto1: warning: visibility attribute not supported in this configuration; ignored\[^\n\]*" $text "" text
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# If dg-enable-nn-line-numbers was provided, then obscure source-margin
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# line numbers by converting them to "NN" form.
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set text [maybe-handle-nn-line-numbers $text]
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# Call into multiline.exp to handle any multiline output directives.
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set text [handle-multiline-outputs $text]
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#send_user "After:$text\n"
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return $text
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}
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# escape metacharacters in literal string, so it can be used in regex
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proc escape_regex_chars { line } {
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return [string map {"^" "\\^"
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"$" "\\$"
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"(" "\\("
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")" "\\)"
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"[" "\\["
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"]" "\\]"
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"{" "\\{"
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"}" "\\}"
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"." "\\."
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"\\" "\\\\"
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"?" "\\?"
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"+" "\\+"
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"*" "\\*"
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"|" "\\|"} $line]
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}
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proc prune_file_path { text } {
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global srcdir
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set safedir [escape_regex_chars $srcdir]
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regsub -all "$safedir\/" $text "" text
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# Truncate absolute file path into relative path.
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set topdir "[file dirname [file dirname [file dirname $safedir]]]"
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regsub -all "$topdir\/" $text "" text
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return $text
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}
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# Prune internal compiler error messages, including the "Please submit..."
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# footnote.
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proc prune_ices { text } {
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regsub -all "(^|\n)\[^\n\]*: internal compiler error:.*\nSee \[^\n\]*" $text "" text
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regsub -all "(^|\n|')*Internal compiler error:.*\nSee \[^\n\]*" $text "" text
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return $text
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}
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# Provide a definition of this if missing (delete after next dejagnu release).
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if { [info procs prune_warnings] == "" } then {
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proc prune_warnings { text } {
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return $text
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}
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}
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