| # |
| # default_ld_version |
| # extract and print the version number of ld |
| # |
| proc default_ld_version { ld } { |
| global host_triplet |
| |
| if { [which $ld] == 0 } then { |
| perror "$ld does not exist" |
| exit 1 |
| } |
| |
| catch "exec $ld --version" tmp |
| set tmp [prune_warnings $tmp] |
| regexp "\[^\n\]* (cygnus-|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number |
| if [info exists number] then { |
| clone_output "$ld $number\n" |
| } |
| } |
| |
| # |
| # default_ld_relocate |
| # link an object using relocation |
| # |
| proc default_ld_relocate { ld target objects } { |
| global HOSTING_EMU |
| global host_triplet |
| |
| if { [which $ld] == 0 } then { |
| perror "$ld does not exist" |
| return 0 |
| } |
| |
| verbose -log "$ld $HOSTING_EMU -o $target -r $objects" |
| |
| catch "exec $ld $HOSTING_EMU -o $target -r $objects" exec_output |
| set exec_output [prune_warnings $exec_output] |
| if [string match "" $exec_output] then { |
| return 1 |
| } else { |
| verbose -log "$exec_output" |
| return 0 |
| } |
| } |
| |
| # Check to see if ld is being invoked with a non-endian output format |
| |
| proc is_endian_output_format { object_flags } { |
| |
| if {[string match "*-oformat binary*" $object_flags] || \ |
| [string match "*-oformat ieee*" $object_flags] || \ |
| [string match "*-oformat ihex*" $object_flags] || \ |
| [string match "*-oformat netbsd-core*" $object_flags] || \ |
| [string match "*-oformat srec*" $object_flags] || \ |
| [string match "*-oformat tekhex*" $object_flags] || \ |
| [string match "*-oformat trad-core*" $object_flags] } then { |
| return 0 |
| } else { |
| return 1 |
| } |
| } |
| |
| # Look for big-endian or little-endian switches in the multlib |
| # options and translate these into a -EB or -EL switch. Note |
| # we cannot rely upon proc process_multilib_options to do this |
| # for us because for some targets the compiler does not support |
| # -EB/-EL but it does support -mbig-endian/-mlittle-endian, and |
| # the site.exp file will include the switch "-mbig-endian" |
| # (rather than "big-endian") which is not detected by proc |
| # process_multilib_options. |
| |
| proc big_or_little_endian {} { |
| |
| if [board_info [target_info name] exists multilib_flags] { |
| set tmp_flags " [board_info [target_info name] multilib_flags]"; |
| |
| foreach x $tmp_flags { |
| case $x in { |
| {*big*endian eb EB -eb -EB} { |
| set flags " -EB" |
| return $flags |
| } |
| {*little*endian el EL -el -EL} { |
| set flags " -EL" |
| return $flags |
| } |
| } |
| } |
| } |
| |
| set flags "" |
| return $flags |
| } |
| |
| # |
| # default_ld_link |
| # link a program using ld |
| # |
| proc default_ld_link { ld target objects } { |
| global HOSTING_EMU |
| global HOSTING_CRT0 |
| global HOSTING_LIBS |
| global LIBS |
| global host_triplet |
| global link_output |
| |
| set objs "$HOSTING_CRT0 $objects" |
| set libs "$LIBS $HOSTING_LIBS" |
| |
| if { [which $ld] == 0 } then { |
| perror "$ld does not exist" |
| return 0 |
| } |
| |
| if [is_endian_output_format $objects] then { |
| set flags [big_or_little_endian] |
| } else { |
| set flags "" |
| } |
| verbose -log "$ld $HOSTING_EMU $flags -o $target $objs $libs" |
| |
| catch "exec $ld $HOSTING_EMU $flags -o $target $objs $libs" link_output |
| set exec_output [prune_warnings $link_output] |
| if [string match "" $link_output] then { |
| return 1 |
| } else { |
| verbose -log "$link_output" |
| return 0 |
| } |
| } |
| |
| # |
| # default_ld_simple_link |
| # link a program using ld, without including any libraries |
| # |
| proc default_ld_simple_link { ld target objects } { |
| global host_triplet |
| global link_output |
| |
| if { [which $ld] == 0 } then { |
| perror "$ld does not exist" |
| return 0 |
| } |
| |
| if [is_endian_output_format $objects] then { |
| set flags [big_or_little_endian] |
| } else { |
| set flags "" |
| } |
| |
| verbose -log "$ld $flags -o $target $objects" |
| |
| catch "exec $ld $flags -o $target $objects" link_output |
| set exec_output [prune_warnings $link_output] |
| |
| # We don't care if we get a warning about a non-existent start |
| # symbol, since the default linker script might use ENTRY. |
| regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output |
| |
| if [string match "" $exec_output] then { |
| return 1 |
| } else { |
| verbose -log "$exec_output" |
| return 0 |
| } |
| } |
| |
| # |
| # default_ld_compile |
| # compile an object using cc |
| # |
| proc default_ld_compile { cc source object } { |
| global CFLAGS |
| global srcdir |
| global subdir |
| global host_triplet |
| global gcc_gas_flag |
| |
| set cc_prog $cc |
| if {[llength $cc_prog] > 1} then { |
| set cc_prog [lindex $cc_prog 0] |
| } |
| if {[which $cc_prog] == 0} then { |
| perror "$cc_prog does not exist" |
| return 0 |
| } |
| |
| catch "exec rm -f $object" exec_output |
| |
| set flags "-I$srcdir/$subdir $CFLAGS" |
| |
| # If we are compiling with gcc, we want to add gcc_gas_flag to |
| # flags. Rather than determine this in some complex way, we guess |
| # based on the name of the compiler. |
| if {[string match "*gcc*" $cc] || [string match "*++*" $cc]} then { |
| set flags "$gcc_gas_flag $flags" |
| } |
| |
| if [board_info [target_info name] exists multilib_flags] { |
| append flags " [board_info [target_info name] multilib_flags]"; |
| } |
| |
| verbose -log "$cc $flags -c $source -o $object" |
| |
| catch "exec $cc $flags -c $source -o $object" exec_output |
| set exec_output [prune_warnings $exec_output] |
| if [string match "" $exec_output] then { |
| if {![file exists $object]} then { |
| regexp ".*/(\[^/\]*)$" $source all dobj |
| regsub "\\.c" $dobj ".o" realobj |
| verbose "looking for $realobj" |
| if {[file exists $realobj]} then { |
| verbose -log "mv $realobj $object" |
| catch "exec mv $realobj $object" exec_output |
| set exec_output [prune_warnings $exec_output] |
| if {![string match "" $exec_output]} then { |
| verbose -log "$exec_output" |
| perror "could not move $realobj to $object" |
| return 0 |
| } |
| } else { |
| perror "$object not found after compilation" |
| return 0 |
| } |
| } |
| return 1 |
| } else { |
| verbose -log "$exec_output" |
| perror "$source: compilation failed" |
| return 0 |
| } |
| } |
| |
| # |
| # default_ld_assemble |
| # assemble a file |
| # |
| proc default_ld_assemble { as source object } { |
| global ASFLAGS |
| global host_triplet |
| |
| if {[which $as] == 0} then { |
| perror "$as does not exist" |
| return 0 |
| } |
| |
| if ![info exists ASFLAGS] { set ASFLAGS "" } |
| |
| set flags [big_or_little_endian] |
| |
| verbose -log "$as $flags $ASFLAGS -o $object $source" |
| |
| catch "exec $as $flags $ASFLAGS -o $object $source" exec_output |
| set exec_output [prune_warnings $exec_output] |
| if [string match "" $exec_output] then { |
| return 1 |
| } else { |
| verbose -log "$exec_output" |
| perror "$source: assembly failed" |
| return 0 |
| } |
| } |
| |
| # |
| # default_ld_nm |
| # run nm on a file, putting the result in the array nm_output |
| # |
| proc default_ld_nm { nm object } { |
| global NMFLAGS |
| global nm_output |
| global host_triplet |
| |
| if {[which $nm] == 0} then { |
| perror "$nm does not exist" |
| return 0 |
| } |
| |
| if {[info exists nm_output]} { |
| unset nm_output |
| } |
| |
| if ![info exists NMFLAGS] { set NMFLAGS "" } |
| |
| verbose -log "$nm $NMFLAGS $object >tmpdir/nm.out" |
| |
| catch "exec $nm $NMFLAGS $object >tmpdir/nm.out" exec_output |
| set exec_output [prune_warnings $exec_output] |
| if [string match "" $exec_output] then { |
| set file [open tmpdir/nm.out r] |
| while { [gets $file line] != -1 } { |
| verbose "$line" 2 |
| if [regexp "^(\[0-9a-fA-F\]+) \[a-zA-Z0-9\] (.+)$" $line whole value name] { |
| set name [string trimleft $name "_"] |
| verbose "Setting nm_output($name) to 0x$value" 2 |
| set nm_output($name) 0x$value |
| } |
| } |
| close $file |
| return 1 |
| } else { |
| verbose -log "$exec_output" |
| perror "$object: nm failed" |
| return 0 |
| } |
| } |
| |
| # |
| # simple_diff |
| # compares two files line-by-line |
| # returns differences if exist |
| # returns null if file(s) cannot be opened |
| # |
| proc simple_diff { file_1 file_2 } { |
| global target |
| |
| set eof -1 |
| set differences 0 |
| |
| if [file exists $file_1] then { |
| set file_a [open $file_1 r] |
| } else { |
| warning "$file_1 doesn't exist" |
| return |
| } |
| |
| if [file exists $file_2] then { |
| set file_b [open $file_2 r] |
| } else { |
| fail "$file_2 doesn't exist" |
| return |
| } |
| |
| verbose "# Diff'ing: $file_1 $file_2\n" 2 |
| |
| while { [gets $file_a line] != $eof } { |
| if [regexp "^#.*$" $line] then { |
| continue |
| } else { |
| lappend list_a $line |
| } |
| } |
| close $file_a |
| |
| while { [gets $file_b line] != $eof } { |
| if [regexp "^#.*$" $line] then { |
| continue |
| } else { |
| lappend list_b $line |
| } |
| } |
| close $file_b |
| |
| for { set i 0 } { $i < [llength $list_a] } { incr i } { |
| set line_a [lindex $list_a $i] |
| set line_b [lindex $list_b $i] |
| |
| verbose "\t$file_1: $i: $line_a\n" 3 |
| verbose "\t$file_2: $i: $line_b\n" 3 |
| if [string compare $line_a $line_b] then { |
| verbose -log "\t$file_1: $i: $line_a\n" |
| verbose -log "\t$file_2: $i: $line_b\n" |
| |
| fail "Test: $target" |
| return |
| } |
| } |
| |
| if { [llength $list_a] != [llength $list_b] } { |
| fail "Test: $target" |
| return |
| } |
| |
| if $differences<1 then { |
| pass "Test: $target" |
| } |
| } |
| |
| # This definition is taken from an unreleased version of DejaGnu. Once |
| # that version gets released, and has been out in the world for a few |
| # months at least, it may be safe to delete this copy. |
| if ![string length [info proc prune_warnings]] { |
| # |
| # prune_warnings -- delete various system verbosities from TEXT |
| # |
| # An example is: |
| # ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9 |
| # |
| # Sites with particular verbose os's may wish to override this in site.exp. |
| # |
| proc prune_warnings { text } { |
| # This is from sun4's. Do it for all machines for now. |
| # The "\\1" is to try to preserve a "\n" but only if necessary. |
| regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text |
| |
| # It might be tempting to get carried away and delete blank lines, etc. |
| # Just delete *exactly* what we're ask to, and that's it. |
| return $text |
| } |
| } |