| # Copyright 1999, 2000 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 2 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 this program; if not, write to the Free Software |
| # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| # Please email any bugs, comments, and/or additions to this file to: |
| # bug-dejagnu@prep.ai.mit.edu |
| |
| # Written by Nick Clifton <nickc@cygnus.com> |
| # Based on scripts written by Ian Lance Taylor <ian@cygnus.com> |
| # and Ken Raeburn <raeburn@cygnus.com>. |
| |
| # First some helpful procedures, then the tests themselves |
| |
| # Return the contents of the filename given |
| proc file_contents { filename } { |
| set file [open $filename r] |
| set contents [read $file] |
| close $file |
| return $contents |
| } |
| |
| # regexp_diff, based on simple_diff taken from ld test suite |
| # compares two files line-by-line |
| # file1 contains strings, file2 contains regexps and #-comments |
| # blank lines are ignored in either file |
| # returns non-zero if differences exist |
| # |
| proc regexp_diff { file_1 file_2 } { |
| |
| set eof -1 |
| set end_1 0 |
| set end_2 0 |
| set differences 0 |
| set diff_pass 0 |
| |
| if [file exists $file_1] then { |
| set file_a [open $file_1 r] |
| } else { |
| warning "$file_1 doesn't exist" |
| return 1 |
| } |
| |
| if [file exists $file_2] then { |
| set file_b [open $file_2 r] |
| } else { |
| fail "$file_2 doesn't exist" |
| close $file_a |
| return 1 |
| } |
| |
| verbose " Regexp-diff'ing: $file_1 $file_2" 2 |
| |
| while { 1 } { |
| set line_a "" |
| set line_b "" |
| while { [string length $line_a] == 0 } { |
| if { [gets $file_a line_a] == $eof } { |
| set end_1 1 |
| break |
| } |
| } |
| while { [string length $line_b] == 0 || [string match "#*" $line_b] } { |
| if [ string match "#pass" $line_b ] { |
| set end_2 1 |
| set diff_pass 1 |
| break |
| } elseif [ string match "#..." $line_b ] { |
| if { [gets $file_b line_b] == $eof } { |
| set end_2 1 |
| break |
| } |
| verbose "looking for \"^$line_b$\"" 3 |
| while { ![regexp "^$line_b$" "$line_a"] } { |
| verbose "skipping \"$line_a\"" 3 |
| if { [gets $file_a line_a] == $eof } { |
| set end_1 1 |
| break |
| } |
| } |
| break |
| } |
| if { [gets $file_b line_b] == $eof } { |
| set end_2 1 |
| break |
| } |
| } |
| |
| if { $diff_pass } { |
| break |
| } elseif { $end_1 && $end_2 } { |
| break |
| } elseif { $end_1 } { |
| send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n" |
| verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3 |
| set differences 1 |
| break |
| } elseif { $end_2 } { |
| send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" |
| verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3 |
| set differences 1 |
| break |
| } else { |
| verbose "regexp \"^$line_b$\"\nline \"$line_a\"" 3 |
| if ![regexp "^$line_b$" "$line_a"] { |
| send_log "regexp_diff match failure\n" |
| send_log "regexp \"^$line_b$\"\nline \"$line_a\"\n" |
| set differences 1 |
| } |
| } |
| } |
| |
| if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } { |
| send_log "$file_1 and $file_2 are different lengths\n" |
| verbose "$file_1 and $file_2 are different lengths" 3 |
| set differences 1 |
| } |
| |
| close $file_a |
| close $file_b |
| |
| return $differences |
| } |
| |
| # Find out the size by reading the output of the EI_CLASS field. |
| # Similar to the test for readelf -h, but we're just looking for the |
| # EI_CLASS line here. |
| proc readelf_find_size { binary_file } { |
| global READELF |
| global READELFFLAGS |
| global readelf_size |
| |
| set readelf_size "" |
| set testname "finding out ELF size with readelf -h" |
| catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got |
| |
| if ![string match "" $got] then { |
| send_log $got |
| fail $testname |
| return |
| } |
| |
| if { ! [regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \ |
| [file_contents readelf.out] nil readelf_size] } { |
| verbose -log "EI_CLASS field not found in output" |
| verbose -log "output is \n[file_contents readelf.out]" |
| fail $testname |
| return |
| } else { |
| verbose -log "ELF size is $readelf_size" |
| } |
| |
| pass $testname |
| } |
| |
| # Run an individual readelf test. |
| # Basically readelf is run on the binary_file with the given options. |
| # Readelf's output is captured and then compared against the contents |
| # of the regexp_file-readelf_size if it exists, else regexp_file. |
| |
| proc readelf_test { options binary_file regexp_file xfails } { |
| |
| global READELF |
| global READELFFLAGS |
| global readelf_size |
| global srcdir |
| global subdir |
| |
| send_log "exec $READELF $READELFFLAGS $options $binary_file > readelf.out\n" |
| catch "exec $READELF $READELFFLAGS $options $binary_file > readelf.out" got |
| |
| foreach xfail $xfails { |
| setup_xfail $xfail |
| } |
| |
| if ![string match "" $got] then { |
| send_log $got |
| fail "readelf $options" |
| return |
| } |
| |
| set target_machine "" |
| if [istarget "mips*-*-*"] then { |
| if { [istarget "mips*-*-*linux*"] } then { |
| set target_machine tmips |
| } else { |
| set target_machine mips |
| } |
| } |
| |
| if { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$readelf_size-$target_machine] } then { |
| set regexp_file $regexp_file-$readelf_size-$target_machine |
| } elseif { $target_machine != "" && [file exists $srcdir/$subdir/$regexp_file-$target_machine] } then { |
| set regexp_file $regexp_file-$target_machine |
| } elseif { [file exists $srcdir/$subdir/$regexp_file-$readelf_size] } then { |
| set regexp_file $regexp_file-$readelf_size |
| } |
| |
| if { [regexp_diff readelf.out $srcdir/$subdir/$regexp_file] } then { |
| fail "readelf $options" |
| verbose "output is \n[file_contents readelf.out]" 2 |
| return |
| } |
| |
| pass "readelf $options" |
| } |
| |
| |
| |
| # Only ELF based toolchains need readelf. |
| # For now be paranoid and assume that if ELF is not mentioned |
| # in the target string, then the target is not an ELF based port. |
| |
| if { ![istarget *-*-elf*] \ |
| && ![istarget *-*-linux*] \ |
| && ![istarget i?86-*-sysv4*] \ |
| && ![istarget i?86-*-unixware] \ |
| && ![istarget mips*-*-irix5*] \ |
| && ![istarget mips*-*-irix6*] \ |
| && ![istarget powerpc-*-sysv4*] \ |
| && ![istarget powerpc-*-eabi*] \ |
| && ![istarget sparc*-*-solaris2*] } { |
| verbose "$READELF is only intended for ELF targets" 2 |
| return |
| } |
| |
| if { [istarget *-*-linux*oldld*] \ |
| || [istarget *-*-linux*aout*] } { |
| verbose "$READELF is only intended for ELF targets" 2 |
| return |
| } |
| |
| if ![is_remote host] { |
| if {[which $READELF] == 0} then { |
| perror "$READELF does not exist" |
| return |
| } |
| } |
| |
| send_user "Version [binutil_version $READELF]" |
| |
| # Assemble the test file. |
| if {![binutils_assemble $srcdir/$subdir/bintest.s tmpdir/bintest.o]} then { |
| perror "unresolved 1" |
| unresolved "readelf - failed to assemble" |
| return |
| } |
| |
| if ![is_remote host] { |
| set tempfile tmpdir/bintest.o; |
| } else { |
| set tempfile [remote_download host tmpdir/bintest.o] |
| } |
| |
| # First, determine the size, so specific output matchers can be used. |
| readelf_find_size $tempfile |
| |
| # Run the tests. |
| readelf_test -h $tempfile readelf.h {} |
| readelf_test -S $tempfile readelf.s {} |
| readelf_test -s $tempfile readelf.ss {} |
| readelf_test -r $tempfile readelf.r {} |
| |
| |
| # Compile the second test file. |
| if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } { |
| untested "readelf -w" |
| return |
| } |
| |
| if [is_remote host] { |
| set tempfile [remote_download host tmpdir/testprog.o]; |
| } else { |
| set tempfile tmpdir/testprog.o |
| } |
| |
| # The xfail targets here do not default to DWARF2 format debug information |
| # The symptom is that the output of 'readelf -wi' is empty. |
| |
| readelf_test -wi $tempfile readelf.wi {v850*-*-* cris-*-* mips*-*-elf* *-*-linux* h8300*-*-*} |