gcc/testsuite/lib/scanasm.exp

   1 #   Copyright (C) 2000, 2002, 2003, 2007 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
  17 # Various utilities for scanning assembler output, used by gcc-dg.exp and
  18 # g++-dg.exp.
  19
  20 # Utility for scanning compiler result, invoked via dg-final.
  21
  22 # Scan the OUTPUT_FILE for a pattern.  If it is present and POSITIVE
  23 # is non-zero, or it is not present and POSITIVE is zero, the test
  24 # passes.  The ORIG_ARGS is the list of arguments provided by dg-final
  25 # to scan-assembler.  The first element in ORIG_ARGS is the regular
  26 # expression to look for in the file.  The second element, if present,
  27 # is a DejaGNU target selector.
  28
  29 proc dg-scan { name positive testcase output_file orig_args } {
  30     if { [llength $orig_args] < 1 } {
  31         error "$name: too few arguments"
  32         return
  33     }
  34     if { [llength $orig_args] > 2 } {
  35         error "$name: too many arguments"
  36         return
  37     }
  38     if { [llength $orig_args] >= 2 } {
  39         switch [dg-process-target [lindex $orig_args 1]] {
  40             "S" { }
  41             "N" { return }
  42             "F" { setup_xfail "*-*-*" }
  43             "P" { }
  44         }
  45     }
  46
  47     if { [is_remote host] } {
  48         remote_upload host "$output_file"
  49     }
  50     set fd [open $output_file r]
  51     set text [read $fd]
  52     close $fd
  53
  54     set pattern [lindex $orig_args 0]
  55     set printable_pattern [string map {\t \\t \n \\n \r \\r \\ \\\\} $pattern]
  56
  57     set match [regexp -- $pattern $text]
  58     if { $match == $positive } {
  59         pass "$testcase $name $printable_pattern"
  60     } else {
  61         fail "$testcase $name $printable_pattern"
  62     }
  63 }
  64
  65 # Look for a pattern in the .s file produced by the compiler.  See
  66 # dg-scan for details.
  67
  68 proc scan-assembler { args } {
  69     upvar 2 name testcase
  70     set output_file "[file rootname [file tail $testcase]].s"
  71
  72     dg-scan "scan-assembler" 1 $testcase $output_file $args
  73 }
  74
  75 # Check that a pattern is not present in the .s file produced by the
  76 # compiler.  See dg-scan for details.
  77
  78 proc scan-assembler-not { args } {
  79     upvar 2 name testcase
  80     set output_file "[file rootname [file tail $testcase]].s"
  81
  82     dg-scan "scan-assembler-not" 0 $testcase $output_file $args
  83 }
  84
  85 # Return the scan for the assembly for hidden visibility.
  86
  87 proc hidden-scan-for { symbol } {
  88
  89     set objformat [gcc_target_object_format]
  90
  91     switch $objformat {
  92         elf      { return "hidden\[ \t_\]*$symbol" }
  93         mach-o   { return "private_extern\[ \t_\]*_?$symbol" }
  94         default  { return "" }
  95     }
  96
  97 }
  98
  99
 100 # Check that a symbol is defined as a hidden symbol in the .s file
 101 # produced by the compiler.
 102
 103 proc scan-hidden { args } {
 104     upvar 2 name testcase
 105     set output_file "[file rootname [file tail $testcase]].s"
 106
 107     set symbol [lindex $args 0]
 108
 109     set hidden_scan [hidden-scan-for $symbol]
 110
 111     set args [lreplace $args 0 0 "$hidden_scan"]
 112
 113     dg-scan "scan-hidden" 1 $testcase $output_file $args
 114 }
 115
 116 # Check that a symbol is not defined as a hidden symbol in the .s file
 117 # produced by the compiler.
 118
 119 proc scan-not-hidden { args } {
 120     upvar 2 name testcase
 121     set output_file "[file rootname [file tail $testcase]].s"
 122
 123     set symbol [lindex $args 0]
 124     set hidden_scan [hidden-scan-for $symbol]
 125
 126     set args [lreplace $args 0 0 "$hidden_scan"]
 127
 128     dg-scan "scan-not-hidden" 0 $testcase $output_file $args
 129 }
 130
 131 # Look for a pattern in OUTPUT_FILE.  See dg-scan for details.
 132
 133 proc scan-file { output_file args } {
 134     upvar 2 name testcase
 135     dg-scan "scan-file" 1 $testcase $output_file $args
 136 }
 137
 138 # Check that a pattern is not present in the OUTPUT_FILE.  See dg-scan
 139 # for details.
 140
 141 proc scan-file-not { output_file args } {
 142     upvar 2 name testcase
 143     dg-scan "scan-file-not" 0 $testcase $output_file $args
 144 }
 145
 146 # Call pass if pattern is present given number of times, otherwise fail.
 147 proc scan-assembler-times { args } {
 148     if { [llength $args] < 2 } {
 149         error "scan-assembler: too few arguments"
 150         return
 151     }
 152     if { [llength $args] > 3 } {
 153         error "scan-assembler: too many arguments"
 154         return
 155     }
 156     if { [llength $args] >= 3 } {
 157         switch [dg-process-target [lindex $args 2]] {
 158             "S" { }
 159             "N" { return }
 160             "F" { setup_xfail "*-*-*" }
 161             "P" { }
 162         }
 163     }
 164
 165     # This assumes that we are two frames down from dg-test, and that
 166     # it still stores the filename of the testcase in a local variable "name".
 167     # A cleaner solution would require a new dejagnu release.
 168     upvar 2 name testcase
 169
 170     # This must match the rule in gcc-dg.exp.
 171     set output_file "[file rootname [file tail $testcase]].s"
 172
 173     set fd [open $output_file r]
 174     set text [read $fd]
 175     close $fd
 176
 177     if { [llength [regexp -inline -all -- [lindex $args 0] $text]] == [lindex $args 1]} {
 178         pass "$testcase scan-assembler-times [lindex $args 0] [lindex $args 1]"
 179     } else {
 180         fail "$testcase scan-assembler-times [lindex $args 0] [lindex $args 1]"
 181     }
 182 }
 183
 184 # Utility for scanning demangled compiler result, invoked via dg-final.
 185 # Call pass if pattern is present, otherwise fail.
 186 proc scan-assembler-dem { args } {
 187     global cxxfilt
 188     global base_dir
 189
 190     if { [llength $args] < 1 } {
 191         error "scan-assembler-dem: too few arguments"
 192         return
 193     }
 194     if { [llength $args] > 2 } {
 195         error "scan-assembler-dem: too many arguments"
 196         return
 197     }
 198     if { [llength $args] >= 2 } {
 199         switch [dg-process-target [lindex $args 1]] {
 200             "S" { }
 201             "N" { return }
 202             "F" { setup_xfail "*-*-*" }
 203             "P" { }
 204         }
 205     }
 206
 207     # Find c++filt like we find g++ in g++.exp.
 208     if ![info exists cxxfilt]  {
 209         set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
 210                      $base_dir/../../../binutils/cxxfilt \
 211                      [findfile $base_dir/../../c++filt $base_dir/../../c++filt \
 212                       [findfile $base_dir/c++filt $base_dir/c++filt \
 213                        [transform c++filt]]]]
 214         verbose -log "c++filt is $cxxfilt"
 215     }
 216
 217     upvar 2 name testcase
 218     set output_file "[file rootname [file tail $testcase]].s"
 219
 220     set output [remote_exec host "$cxxfilt" "" "$output_file"]
 221     set text [lindex $output 1]
 222
 223     if [regexp -- [lindex $args 0] $text] {
 224         pass "$testcase scan-assembler-dem [lindex $args 0]"
 225     } else {
 226         fail "$testcase scan-assembler-dem [lindex $args 0]"
 227     }
 228 }
 229
 230 # Call pass if demangled pattern is not present, otherwise fail.
 231 proc scan-assembler-dem-not { args } {
 232     global cxxfilt
 233     global base_dir
 234
 235     if { [llength $args] < 1 } {
 236         error "scan-assembler-dem-not: too few arguments"
 237         return
 238     }
 239     if { [llength $args] > 2 } {
 240         error "scan-assembler-dem-not: too many arguments"
 241         return
 242     }
 243     if { [llength $args] >= 2 } {
 244         switch [dg-process-target [lindex $args 1]] {
 245             "S" { }
 246             "N" { return }
 247             "F" { setup_xfail "*-*-*" }
 248             "P" { }
 249         }
 250     }
 251
 252     # Find c++filt like we find g++ in g++.exp.
 253     if ![info exists cxxfilt]  {
 254         set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
 255                      $base_dir/../../../binutils/cxxfilt \
 256                      [findfile $base_dir/../../c++filt $base_dir/../../c++filt \
 257                       [findfile $base_dir/c++filt $base_dir/c++filt \
 258                        [transform c++filt]]]]
 259         verbose -log "c++filt is $cxxfilt"
 260     }
 261
 262     upvar 2 name testcase
 263     set output_file "[file rootname [file tail $testcase]].s"
 264
 265     set output [remote_exec host "$cxxfilt" "" "$output_file"]
 266     set text [lindex $output 1]
 267
 268     if ![regexp -- [lindex $args 0] $text] {
 269         pass "$testcase scan-assembler-dem-not [lindex $args 0]"
 270     } else {
 271         fail "$testcase scan-assembler-dem-not [lindex $args 0]"
 272     }
 273 }