gcc/testsuite/lib/scanasm.exp

   1 # Copyright (C) 2000, 2002, 2003, 2007, 2008 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 testcase [lindex $testcase 0]
  71     set output_file "[file rootname [file tail $testcase]].s"
  72
  73     dg-scan "scan-assembler" 1 $testcase $output_file $args
  74 }
  75
  76 # Check that a pattern is not present in the .s file produced by the
  77 # compiler.  See dg-scan for details.
  78
  79 proc scan-assembler-not { args } {
  80     upvar 2 name testcase
  81     set testcase [lindex $testcase 0]
  82     set output_file "[file rootname [file tail $testcase]].s"
  83
  84     dg-scan "scan-assembler-not" 0 $testcase $output_file $args
  85 }
  86
  87 # Return the scan for the assembly for hidden visibility.
  88
  89 proc hidden-scan-for { symbol } {
  90
  91     set objformat [gcc_target_object_format]
  92
  93     switch $objformat {
  94         elf      { return "hidden\[ \t_\]*$symbol" }
  95         mach-o   { return "private_extern\[ \t_\]*_?$symbol" }
  96         default  { return "" }
  97     }
  98
  99 }
 100
 101
 102 # Check that a symbol is defined as a hidden symbol in the .s file
 103 # produced by the compiler.
 104
 105 proc scan-hidden { args } {
 106     upvar 2 name testcase
 107     set testcase [lindex $testcase 0]
 108     set output_file "[file rootname [file tail $testcase]].s"
 109
 110     set symbol [lindex $args 0]
 111
 112     set hidden_scan [hidden-scan-for $symbol]
 113
 114     set args [lreplace $args 0 0 "$hidden_scan"]
 115
 116     dg-scan "scan-hidden" 1 $testcase $output_file $args
 117 }
 118
 119 # Check that a symbol is not defined as a hidden symbol in the .s file
 120 # produced by the compiler.
 121
 122 proc scan-not-hidden { args } {
 123     upvar 2 name testcase
 124     set testcase [lindex $testcase 0]
 125     set output_file "[file rootname [file tail $testcase]].s"
 126
 127     set symbol [lindex $args 0]
 128     set hidden_scan [hidden-scan-for $symbol]
 129
 130     set args [lreplace $args 0 0 "$hidden_scan"]
 131
 132     dg-scan "scan-not-hidden" 0 $testcase $output_file $args
 133 }
 134
 135 # Look for a pattern in OUTPUT_FILE.  See dg-scan for details.
 136
 137 proc scan-file { output_file args } {
 138     upvar 2 name testcase
 139     set testcase [lindex $testcase 0]
 140     dg-scan "scan-file" 1 $testcase $output_file $args
 141 }
 142
 143 # Check that a pattern is not present in the OUTPUT_FILE.  See dg-scan
 144 # for details.
 145
 146 proc scan-file-not { output_file args } {
 147     upvar 2 name testcase
 148     set testcase [lindex $testcase 0]
 149     dg-scan "scan-file-not" 0 $testcase $output_file $args
 150 }
 151
 152 # Call pass if pattern is present given number of times, otherwise fail.
 153 proc scan-assembler-times { args } {
 154     if { [llength $args] < 2 } {
 155         error "scan-assembler: too few arguments"
 156         return
 157     }
 158     if { [llength $args] > 3 } {
 159         error "scan-assembler: too many arguments"
 160         return
 161     }
 162     if { [llength $args] >= 3 } {
 163         switch [dg-process-target [lindex $args 2]] {
 164             "S" { }
 165             "N" { return }
 166             "F" { setup_xfail "*-*-*" }
 167             "P" { }
 168         }
 169     }
 170
 171     # This assumes that we are two frames down from dg-test, and that
 172     # it still stores the filename of the testcase in a local variable "name".
 173     # A cleaner solution would require a new dejagnu release.
 174     upvar 2 name testcase
 175     set testcase [lindex $testcase 0]
 176
 177     # This must match the rule in gcc-dg.exp.
 178     set output_file "[file rootname [file tail $testcase]].s"
 179
 180     set fd [open $output_file r]
 181     set text [read $fd]
 182     close $fd
 183
 184     if { [llength [regexp -inline -all -- [lindex $args 0] $text]] == [lindex $args 1]} {
 185         pass "$testcase scan-assembler-times [lindex $args 0] [lindex $args 1]"
 186     } else {
 187         fail "$testcase scan-assembler-times [lindex $args 0] [lindex $args 1]"
 188     }
 189 }
 190
 191 # Utility for scanning demangled compiler result, invoked via dg-final.
 192 # Call pass if pattern is present, otherwise fail.
 193 proc scan-assembler-dem { args } {
 194     global cxxfilt
 195     global base_dir
 196
 197     if { [llength $args] < 1 } {
 198         error "scan-assembler-dem: too few arguments"
 199         return
 200     }
 201     if { [llength $args] > 2 } {
 202         error "scan-assembler-dem: too many arguments"
 203         return
 204     }
 205     if { [llength $args] >= 2 } {
 206         switch [dg-process-target [lindex $args 1]] {
 207             "S" { }
 208             "N" { return }
 209             "F" { setup_xfail "*-*-*" }
 210             "P" { }
 211         }
 212     }
 213
 214     # Find c++filt like we find g++ in g++.exp.
 215     if ![info exists cxxfilt]  {
 216         set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
 217                      $base_dir/../../../binutils/cxxfilt \
 218                      [findfile $base_dir/../../c++filt $base_dir/../../c++filt \
 219                       [findfile $base_dir/c++filt $base_dir/c++filt \
 220                        [transform c++filt]]]]
 221         verbose -log "c++filt is $cxxfilt"
 222     }
 223
 224     upvar 2 name testcase
 225     set testcase [lindex $testcase 0]
 226     set output_file "[file rootname [file tail $testcase]].s"
 227
 228     set output [remote_exec host "$cxxfilt" "" "$output_file"]
 229     set text [lindex $output 1]
 230
 231     if [regexp -- [lindex $args 0] $text] {
 232         pass "$testcase scan-assembler-dem [lindex $args 0]"
 233     } else {
 234         fail "$testcase scan-assembler-dem [lindex $args 0]"
 235     }
 236 }
 237
 238 # Call pass if demangled pattern is not present, otherwise fail.
 239 proc scan-assembler-dem-not { args } {
 240     global cxxfilt
 241     global base_dir
 242
 243     if { [llength $args] < 1 } {
 244         error "scan-assembler-dem-not: too few arguments"
 245         return
 246     }
 247     if { [llength $args] > 2 } {
 248         error "scan-assembler-dem-not: too many arguments"
 249         return
 250     }
 251     if { [llength $args] >= 2 } {
 252         switch [dg-process-target [lindex $args 1]] {
 253             "S" { }
 254             "N" { return }
 255             "F" { setup_xfail "*-*-*" }
 256             "P" { }
 257         }
 258     }
 259
 260     # Find c++filt like we find g++ in g++.exp.
 261     if ![info exists cxxfilt]  {
 262         set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
 263                      $base_dir/../../../binutils/cxxfilt \
 264                      [findfile $base_dir/../../c++filt $base_dir/../../c++filt \
 265                       [findfile $base_dir/c++filt $base_dir/c++filt \
 266                        [transform c++filt]]]]
 267         verbose -log "c++filt is $cxxfilt"
 268     }
 269
 270     upvar 2 name testcase
 271     set testcase [lindex $testcase 0]
 272     set output_file "[file rootname [file tail $testcase]].s"
 273
 274     set output [remote_exec host "$cxxfilt" "" "$output_file"]
 275     set text [lindex $output 1]
 276
 277     if ![regexp -- [lindex $args 0] $text] {
 278         pass "$testcase scan-assembler-dem-not [lindex $args 0]"
 279     } else {
 280         fail "$testcase scan-assembler-dem-not [lindex $args 0]"
 281     }
 282 }