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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [lib/] [scanasm.exp] - Rev 816

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#   Copyright (C) 2000, 2002, 2003, 2007 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# Various utilities for scanning assembler output, used by gcc-dg.exp and
# g++-dg.exp.

# Utility for scanning compiler result, invoked via dg-final.

# Scan the OUTPUT_FILE for a pattern.  If it is present and POSITIVE
# is non-zero, or it is not present and POSITIVE is zero, the test
# passes.  The ORIG_ARGS is the list of arguments provided by dg-final
# to scan-assembler.  The first element in ORIG_ARGS is the regular
# expression to look for in the file.  The second element, if present,
# is a DejaGNU target selector.

proc dg-scan { name positive testcase output_file orig_args } {
    if { [llength $orig_args] < 1 } {
        error "$name: too few arguments"
        return
    }
    if { [llength $orig_args] > 2 } {
        error "$name: too many arguments"
        return
    }
    if { [llength $orig_args] >= 2 } {
        switch [dg-process-target [lindex $orig_args 1]] {
            "S" { }
            "N" { return }
            "F" { setup_xfail "*-*-*" }
            "P" { }
        }
    }

    set fd [open $output_file r]
    set text [read $fd]
    close $fd

    set pattern [lindex $orig_args 0]
    set printable_pattern [string map {\t \\t \n \\n \r \\r \\ \\\\} $pattern]

    set match [regexp -- $pattern $text]
    if { $match == $positive } {
        pass "$testcase $name $printable_pattern"
    } else {
        fail "$testcase $name $printable_pattern"
    }
}

# Look for a pattern in the .s file produced by the compiler.  See
# dg-scan for details.

proc scan-assembler { args } {
    upvar 2 name testcase
    set output_file "[file rootname [file tail $testcase]].s"

    dg-scan "scan-assembler" 1 $testcase $output_file $args
}

# Check that a pattern is not present in the .s file produced by the
# compiler.  See dg-scan for details.

proc scan-assembler-not { args } {
    upvar 2 name testcase
    set output_file "[file rootname [file tail $testcase]].s"

    dg-scan "scan-assembler-not" 0 $testcase $output_file $args
}

# Return the scan for the assembly for hidden visibility. 

proc hidden-scan-for { symbol } {

    set objformat [gcc_target_object_format]

    switch $objformat {
        elf      { return "hidden\[ \t_\]*$symbol" }
        mach-o   { return "private_extern\[ \t_\]*_?$symbol" }
        default  { return "" }
    }

}


# Check that a symbol is defined as a hidden symbol in the .s file
# produced by the compiler.

proc scan-hidden { args } {
    upvar 2 name testcase
    set output_file "[file rootname [file tail $testcase]].s"

    set symbol [lindex $args 0]

    set hidden_scan [hidden-scan-for $symbol]

    set args [lreplace $args 0 0 "$hidden_scan"]

    dg-scan "scan-hidden" 1 $testcase $output_file $args
}

# Check that a symbol is not defined as a hidden symbol in the .s file
# produced by the compiler.

proc scan-not-hidden { args } {
    upvar 2 name testcase
    set output_file "[file rootname [file tail $testcase]].s"

    set symbol [lindex $args 0]
    set hidden_scan [hidden-scan-for $symbol]

    set args [lreplace $args 0 0 "$hidden_scan"]

    dg-scan "scan-not-hidden" 0 $testcase $output_file $args
}

# Look for a pattern in OUTPUT_FILE.  See dg-scan for details.

proc scan-file { output_file args } {
    upvar 2 name testcase
    dg-scan "scan-file" 1 $testcase $output_file $args
}

# Check that a pattern is not present in the OUTPUT_FILE.  See dg-scan
# for details.

proc scan-file-not { output_file args } {
    upvar 2 name testcase
    dg-scan "scan-file-not" 0 $testcase $output_file $args
}

# Call pass if pattern is present given number of times, otherwise fail.
proc scan-assembler-times { args } {
    if { [llength $args] < 2 } {
        error "scan-assembler: too few arguments"
        return
    }
    if { [llength $args] > 3 } {
        error "scan-assembler: too many arguments"
        return
    }
    if { [llength $args] >= 3 } {
        switch [dg-process-target [lindex $args 2]] {
            "S" { }
            "N" { return }
            "F" { setup_xfail "*-*-*" }
            "P" { }
        }
    }

    # This assumes that we are two frames down from dg-test, and that
    # it still stores the filename of the testcase in a local variable "name".
    # A cleaner solution would require a new dejagnu release.
    upvar 2 name testcase

    # This must match the rule in gcc-dg.exp.
    set output_file "[file rootname [file tail $testcase]].s"

    set fd [open $output_file r]
    set text [read $fd]
    close $fd

    if { [llength [regexp -inline -all -- [lindex $args 0] $text]] == [lindex $args 1]} {
        pass "$testcase scan-assembler-times [lindex $args 0] [lindex $args 1]"
    } else {
        fail "$testcase scan-assembler-times [lindex $args 0] [lindex $args 1]"
    }
}

# Utility for scanning demangled compiler result, invoked via dg-final.
# Call pass if pattern is present, otherwise fail.
proc scan-assembler-dem { args } {
    global cxxfilt
    global base_dir

    if { [llength $args] < 1 } {
        error "scan-assembler-dem: too few arguments"
        return
    }
    if { [llength $args] > 2 } {
        error "scan-assembler-dem: too many arguments"
        return
    }
    if { [llength $args] >= 2 } {
        switch [dg-process-target [lindex $args 1]] {
            "S" { }
            "N" { return }
            "F" { setup_xfail "*-*-*" }
            "P" { }
        }
    }

    # Find c++filt like we find g++ in g++.exp.
    if ![info exists cxxfilt]  {
        set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
                     $base_dir/../../../binutils/cxxfilt \
                     [findfile $base_dir/../../c++filt $base_dir/../../c++filt \
                      [findfile $base_dir/c++filt $base_dir/c++filt \
                       [transform c++filt]]]]
        verbose -log "c++filt is $cxxfilt"
    }

    upvar 2 name testcase
    set output_file "[file rootname [file tail $testcase]].s"

    set fd [open "| $cxxfilt < $output_file" r]
    set text [read $fd]
    close $fd

    if [regexp -- [lindex $args 0] $text] {
        pass "$testcase scan-assembler-dem [lindex $args 0]"
    } else {
        fail "$testcase scan-assembler-dem [lindex $args 0]"
    }
}

# Call pass if demangled pattern is not present, otherwise fail.
proc scan-assembler-dem-not { args } {
    global cxxfilt
    global base_dir

    if { [llength $args] < 1 } {
        error "scan-assembler-dem-not: too few arguments"
        return
    }
    if { [llength $args] > 2 } {
        error "scan-assembler-dem-not: too many arguments"
        return
    }
    if { [llength $args] >= 2 } {
        switch [dg-process-target [lindex $args 1]] {
            "S" { }
            "N" { return }
            "F" { setup_xfail "*-*-*" }
            "P" { }
        }
    }

    # Find c++filt like we find g++ in g++.exp.
    if ![info exists cxxfilt]  {
        set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \
                     $base_dir/../../../binutils/cxxfilt \
                     [findfile $base_dir/../../c++filt $base_dir/../../c++filt \
                      [findfile $base_dir/c++filt $base_dir/c++filt \
                       [transform c++filt]]]]
        verbose -log "c++filt is $cxxfilt"
    }

    upvar 2 name testcase
    set output_file "[file rootname [file tail $testcase]].s"

    set fd [open "| $cxxfilt < $output_file" r]
    set text [read $fd]
    close $fd

    if ![regexp -- [lindex $args 0] $text] {
        pass "$testcase scan-assembler-dem-not [lindex $args 0]"
    } else {
        fail "$testcase scan-assembler-dem-not [lindex $args 0]"
    }
}

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