diff options
Diffstat (limited to 'ld/testsuite/lib')
| -rw-r--r-- | ld/testsuite/lib/ld-lib.exp | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/ld/testsuite/lib/ld-lib.exp b/ld/testsuite/lib/ld-lib.exp new file mode 100644 index 00000000000..24a41310901 --- /dev/null +++ b/ld/testsuite/lib/ld-lib.exp @@ -0,0 +1,327 @@ +# +# 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 + } +} + + +# +# 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 host_triplet + + set objs "$HOSTING_CRT0 $objects" + set libs "$HOSTING_LIBS" + + if { [which $ld] == 0 } then { + perror "$ld does not exist" + return 0 + } + + verbose -log "$ld $HOSTING_EMU -o $target $objs $libs" + + catch "exec $ld $HOSTING_EMU -o $target $objs $libs" exec_output + set exec_output [prune_warnings $exec_output] + if [string match "" $exec_output] then { + return 1 + } else { + verbose -log "$exec_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 + + if { [which $ld] == 0 } then { + perror "$ld does not exist" + return 0 + } + + verbose -log "$ld -o $target $objects" + + catch "exec $ld -o $target $objects" exec_output + set exec_output [prune_warnings $exec_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 $flags" + } + + verbose -log "$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 "" } + + verbose -log "$as $ASFLAGS -o $object $source" + + catch "exec $as $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 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 + } +} |