1# Copyright (C) 2003-2019 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with GCC; see the file COPYING3. If not see 15# <http://www.gnu.org/licenses/>. 16 17load_lib copy-file.exp 18 19proc pch-init { args } { 20 global pch_unsupported_debug pch_unsupported 21 22 if [info exists pch_unsupported_debug] { 23 error "pch-init: pch_unsupported_debug is not empty as expected" 24 } 25 if [info exists pch_unsupported] { 26 error "pch-init: pch_unsupported is not empty as expected" 27 } 28 29 set result [check_compile pchtest object "int i;" "-g -x c-header"] 30 set pch_unsupported_debug \ 31 [regexp "debug format cannot be used with pre-compiled headers" \ 32 [lindex $result 0]] 33 remote_file build delete [lindex $result 1] 34 35 set pch_unsupported 0 36 if { $pch_unsupported_debug } { 37 verbose -log "pch is unsupported with the debug info format" 38 39 set result [check_compile pchtest object "int i;" "-x c-header"] 40 set pch_unsupported \ 41 [regexp "debug format cannot be used with pre-compiled headers" \ 42 [lindex $result 0]] 43 remote_file build delete [lindex $result 1] 44 } 45} 46 47proc pch-finish { args } { 48 global pch_unsupported_debug pch_unsupported 49 unset pch_unsupported_debug 50 unset pch_unsupported 51} 52 53proc check_effective_target_pch_supported_debug { } { 54 global pch_unsupported_debug 55 if { $pch_unsupported_debug } { 56 return 0 57 } 58 return 1 59} 60 61proc dg-flags-pch { subdir test otherflags options suffix } { 62 global runtests dg-do-what-default 63 global pch_unsupported_debug pch_unsupported 64 65 # If we're only testing specific files and this isn't one of them, skip it. 66 if ![runtest_file_p $runtests $test] { 67 return 68 } 69 70 if { [istarget "powerpc-ibm-aix*"] } { 71 set torture_execute_xfail "powerpc-ibm-aix*" 72 return 73 } 74 75 set nshort "$subdir/[file tail $test]" 76 set bname "[file rootname [file tail $nshort]]" 77 78 catch { file_on_host delete "$bname$suffix.gch" } 79 catch { file_on_host delete "$bname.s" } 80 catch { file_on_host delete "$bname.s-gch" } 81 82 # We don't try to use the loop-optimizing options, since they are highly 83 # unlikely to make any difference to PCH. 84 foreach flags $options { 85 verbose "Testing $nshort, $otherflags $flags" 1 86 87 if { $pch_unsupported != 0 \ 88 || ( $pch_unsupported_debug != 0 && [regexp " -g" " $flags"] ) } { 89 verbose -log "$nshort unsupported because debug format conflicts with PCH" 90 unsupported "$nshort $flags" 91 continue 92 } 93 94 # For the header files, the default is to precompile. 95 set dg-do-what-default precompile 96 catch { file_on_host delete "$bname$suffix" } 97 gcc_copy_files "[file rootname $test]${suffix}s" "$bname$suffix" 98 dg-test -keep-output "./$bname$suffix" "$otherflags $flags" "" 99 100 # For the rest, the default is to compile to .s. 101 set dg-do-what-default compile 102 103 set have_errs [llength [grep $test "{\[ \t\]\+dg-error\[ \t\]\+.*\[ \t\]\+}"]] 104 105 if { [ file_on_host exists "$bname$suffix.gch" ] } { 106 # Ensure that the PCH file is used, not the original header. 107 file_on_host delete "$bname$suffix" 108 109 # The flags "-Dwith_PCH" and "-Dwithout_PCH" are to distinguish the 110 # two compiles in test summary lines. 111 dg-test -keep-output $test "$otherflags $flags -I. -Dwith_PCH" "" 112 file_on_host delete "$bname$suffix.gch" 113 if { !$have_errs } { 114 if { [ file_on_host exists "$bname.s" ] } { 115 remote_upload host "$bname.s" "$bname.s-gch" 116 remote_download host "$bname.s-gch" 117 gcc_copy_files "[file rootname $test]${suffix}s" "$bname$suffix" 118 dg-test -keep-output $test "$otherflags $flags -I. -Dwithout_PCH" "" 119 remote_upload host "$bname.s" 120 set tmp [ diff "$bname.s" "$bname.s-gch" ] 121 if { $tmp == 0 } { 122 verbose -log "assembly file '$bname.s', '$bname.s-gch' comparison error" 123 fail "$nshort $otherflags $flags assembly comparison" 124 } elseif { $tmp == 1 } { 125 pass "$nshort $otherflags $flags assembly comparison" 126 } else { 127 fail "$nshort $otherflags $flags assembly comparison" 128 } 129 file_on_host delete "$bname$suffix" 130 file_on_host delete "$bname.s" 131 file_on_host delete "$bname.s-gch" 132 } else { 133 verbose -log "assembly file '$bname.s' missing" 134 fail "$nshort $flags assembly comparison" 135 } 136 } 137 } elseif { $pch_unsupported_debug == 0 \ 138 || [llength [grep $test "{\[ \t\]\+dg-require-effective-target\[ \t\]\+pch_supported_debug\[ \t\]\+.*\[ \t\]\+}"]] > 0 } { 139 verbose -log "pch file '$bname$suffix.gch' missing" 140 fail "$nshort $flags" 141 if { !$have_errs } { 142 verbose -log "assembly file '$bname.s' missing" 1 143 fail "$nshort $flags assembly comparison" 144 } 145 } 146 } 147} 148 149proc dg-pch { subdir test options suffix } { 150 return [dg-flags-pch $subdir $test "" $options $suffix] 151} 152