# Support routines for LD testsuite.
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
-# Free Software Foundation, Inc.
+# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+# 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+# Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
#
# This file 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
+# 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,
#
# 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.
-#
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+proc load_common_lib { name } {
+ global srcdir
+ load_file $srcdir/../../binutils/testsuite/lib/$name
+}
+
+load_common_lib binutils-common.exp
+
+# Returns 1 if the gcc for the target is at least version MAJOR.MINOR
+# Returns 0 otherwise.
#
-# default_ld_version
-# extract and print the version number of ld
+proc at_least_gcc_version { major minor } {
+
+ if {![info exists CC]} {
+ set CC [find_gcc]
+ }
+ if { $CC == "" } {
+ return 0
+ }
+ set state [remote_exec host $CC --version]
+ set tmp "[lindex $state 1]\n"
+ # Look for (eg) 4.6.1 in the version output.
+ set ver_re "\[^\\.0-9\]+(\[1-9\]\[0-9\]*)\\.(\[0-9\]+)(?:\\.\[0-9\]+)?"
+ regexp $ver_re $tmp fred maj min
+ verbose "gcc version: $tmp"
+ if { ![info exists maj] || ![info exists min] } then {
+ perror "can't decipher gcc version number, fix the framework!"
+ return 0
+ }
+ verbose "major gcc version is $maj, want at least $major"
+ if { $maj == $major } then {
+ verbose "minor gcc version is $min, want at least $minor"
+ return [expr $min >= $minor]
+ } else {
+ return [expr $maj > $major]
+ }
+}
+
+# Extract and print the version number of ld.
#
proc default_ld_version { ld } {
global host_triplet
- if { [which $ld] == 0 } then {
+ if { ![is_remote host] && [which $ld] == 0 } then {
perror "$ld does not exist"
exit 1
}
- catch "exec $ld --version" tmp
- set tmp [prune_warnings $tmp]
+ remote_exec host "$ld --version" "" "/dev/null" "ld.version"
+ remote_upload host "ld.version"
+ set tmp [prune_warnings [file_contents "ld.version"]]
+ remote_file build delete "ld.version"
+ remote_file host delete "ld.version"
+
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
+proc run_host_cmd { prog command } {
+ global link_output
- if { [which $ld] == 0 } then {
- perror "$ld does not exist"
+ if { ![is_remote host] && [which "$prog"] == 0 } then {
+ perror "$prog does not exist"
return 0
}
- verbose -log "$ld $HOSTING_EMU -o $target -r $objects"
+ verbose -log "$prog $command"
+ set status [remote_exec host [concat sh -c [list "$prog $command 2>&1"]] "" "/dev/null" "ld.tmp"]
+ remote_upload host "ld.tmp"
+ set link_output [file_contents "ld.tmp"]
+ regsub "\n$" $link_output "" link_output
+ if { [lindex $status 0] != 0 && [string match "" $link_output] } then {
+ append link_output "child process exited abnormally"
+ }
+ remote_file build delete ld.tmp
+ remote_file host delete ld.tmp
- catch "exec $ld $HOSTING_EMU -o $target -r $objects" exec_output
- set exec_output [prune_warnings $exec_output]
+ if [string match "" $link_output] then {
+ return ""
+ }
+
+ verbose -log "$link_output"
+ return "$link_output"
+}
+
+proc run_host_cmd_yesno { prog command } {
+ global exec_output
+
+ set exec_output [prune_warnings [run_host_cmd "$prog" "$command"]]
if [string match "" $exec_output] then {
- return 1
- } else {
- verbose -log "$exec_output"
- return 0
+ return 1;
}
+ return 0;
}
-# Check to see if ld is being invoked with a non-endian output format
+# Link an object using relocation.
+#
+proc default_ld_relocate { ld target objects } {
+ global HOSTING_EMU
+
+ remote_file host delete $target
+ return [run_host_cmd_yesno "$ld" "$HOSTING_EMU -o $target -r $objects"]
+}
+# 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] || \
# 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]";
+ set tmp_flags " [board_info [target_info name] multilib_flags]"
foreach x $tmp_flags {
case $x in {
- {*big*endian eb EB -eb -EB} {
+ {*big*endian eb EB -eb -EB -mb -meb} {
set flags " -EB"
return $flags
}
- {*little*endian el EL -el -EL} {
+ {*little*endian el EL -el -EL -ml -mel} {
set flags " -EL"
return $flags
}
return $flags
}
-#
-# default_ld_link
-# link a program using ld
+# Link a program using ld.
#
proc default_ld_link { ld target objects } {
global HOSTING_EMU
global LIBS
global host_triplet
global link_output
+ global exec_output
set objs "$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
- }
+ remote_file host delete $target
+
+ return [run_host_cmd_yesno "$ld" "$HOSTING_EMU $flags -o $target $objs $libs"]
}
-#
-# default_ld_simple_link
-# link a program using ld, without including any libraries
+# 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
- }
+ global gcc_ld_flag
+ global exec_output
if [is_endian_output_format $objects] then {
set flags [big_or_little_endian]
set flags ""
}
- verbose -log "$ld $flags -o $target $objects"
+ # If we are compiling with gcc, we want to add gcc_ld_flag to
+ # flags. Rather than determine this in some complex way, we guess
+ # based on the name of the compiler.
+ set ldexe $ld
+ set ldparm [string first " " $ld]
+ set ldflags ""
+ if { $ldparm > 0 } then {
+ set ldflags [string range $ld $ldparm end]
+ set ldexe [string range $ld 0 $ldparm]
+ set ld $ldexe
+ }
+ set ldexe [string replace $ldexe 0 [string last "/" $ldexe] ""]
+ if {[string match "*gcc*" $ldexe] || [string match "*++*" $ldexe]} then {
+ set ldflags "$gcc_ld_flag $ldflags"
+ }
- catch "exec $ld $flags -o $target $objects" link_output
- set exec_output [prune_warnings $link_output]
+ remote_file host delete $target
+
+ set exec_output [run_host_cmd "$ld" "$ldflags $flags -o $target $objects"]
+ 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.
if [string match "" $exec_output] then {
return 1
} else {
- verbose -log "$exec_output"
return 0
}
}
-#
-# default_ld_compile
-# compile an object using cc
+# Compile an object using cc.
#
proc default_ld_compile { cc source object } {
global CFLAGS
+ global CXXFLAGS
global srcdir
global subdir
global host_triplet
if {[llength $cc_prog] > 1} then {
set cc_prog [lindex $cc_prog 0]
}
- if {[which $cc_prog] == 0} then {
+ if {![is_remote host] && [which $cc_prog] == 0} then {
perror "$cc_prog does not exist"
return 0
}
- catch "exec rm -f $object" exec_output
+ remote_file build delete "$object"
+ remote_file host delete "$object"
- set flags "-I$srcdir/$subdir $CFLAGS"
+ set flags "-I$srcdir/$subdir"
# 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 ccexe $cc
+ set ccparm [string first " " $cc]
+ set ccflags ""
+ if { $ccparm > 0 } then {
+ set ccflags [string range $cc $ccparm end]
+ set ccexe [string range $cc 0 $ccparm]
+ set cc $ccexe
+ }
+ set ccexe [string replace $ccexe 0 [string last "/" $ccexe] ""]
+ if {[string match "*gcc*" $ccexe] || [string match "*++*" $ccexe]} then {
set flags "$gcc_gas_flag $flags"
}
+ if {[string match "*++*" $ccexe]} {
+ set flags "$flags $CXXFLAGS"
+ } else {
+ set flags "$flags $CFLAGS"
+ }
+
if [board_info [target_info name] exists multilib_flags] {
- append flags " [board_info [target_info name] multilib_flags]";
+ append flags " [board_info [target_info name] multilib_flags]"
}
- verbose -log "$cc $flags -c $source -o $object"
+ verbose -log "$cc $flags $ccflags -c $source -o $object"
- catch "exec $cc $flags -c $source -o $object" exec_output
+ set status [remote_exec host [concat sh -c [list "$cc $flags $ccflags -c $source -o $object 2>&1"]] "" "/dev/null" "ld.tmp"]
+ remote_upload host "ld.tmp"
+ set exec_output [file_contents "ld.tmp"]
+ remote_file build delete "ld.tmp"
+ remote_file host delete "ld.tmp"
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 {
+ if {[remote_file host 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 $object"
- return 0
- }
+ remote_upload "$realobj" "$object"
} else {
perror "$object not found after compilation"
return 0
}
}
+# Assemble a file.
#
-# default_ld_assemble
-# assemble a file
-#
-proc default_ld_assemble { as source object } {
+proc default_ld_assemble { as in_flags 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 $source" exec_output
+ set exec_output [run_host_cmd "$as" "$flags $in_flags $ASFLAGS -o $object $source"]
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
+# Run nm on a file, putting the result in the array nm_output.
#
proc default_ld_nm { nm nmflags 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
}
set old_lc_all $env(LC_ALL)
}
set env(LC_ALL) "C"
+
verbose -log "$nm $NMFLAGS $nmflags $object >tmpdir/nm.out"
- catch "exec $nm $NMFLAGS $nmflags $object >tmpdir/nm.out" exec_output
+ set status [remote_exec host [concat sh -c [list "$nm $NMFLAGS $nmflags $object 2>ld.stderr"]] "" "/dev/null" "tmpdir/nm.out"]
if {[info exists old_lc_all]} {
set env(LC_ALL) $old_lc_all
} else {
unset env(LC_ALL)
}
- set exec_output [prune_warnings $exec_output]
+ remote_upload host "ld.stderr"
+ remote_upload host "tmpdir/nm.out" "tmpdir/nm.out"
+ set exec_output [prune_warnings [file_contents "ld.stderr"]]
+ remote_file host delete "ld.stderr"
+ remote_file build delete "ld.stderr"
if [string match "" $exec_output] then {
set file [open tmpdir/nm.out r]
while { [gets $file line] != -1 } {
}
}
-#
-# is_elf_format
-# true if the object format is known to be ELF
-#
-proc is_elf_format {} {
- if { ![istarget *-*-sysv4*] \
- && ![istarget *-*-unixware*] \
- && ![istarget *-*-elf*] \
- && ![istarget *-*-eabi*] \
- && ![istarget *-*-linux*] \
- && ![istarget *-*-irix5*] \
- && ![istarget *-*-irix6*] \
- && ![istarget *-*-solaris2*] } {
- return 0
- }
+# Define various symbols needed when not linking against all
+# target libs.
+proc ld_simple_link_defsyms {} {
- if { [istarget *-*-linux*aout*] \
- || [istarget *-*-linux*oldld*] } {
- return 0
- }
- return 1
-}
+ set flags "--defsym __stack_chk_fail=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
+ # ARM targets call __gccmain
+ if {[istarget arm*-*-*]} {
+ append flags " --defsym __gccmain=0"
}
- if [file exists $file_2] then {
- set file_b [open $file_2 r]
- } else {
- fail "$file_2 doesn't exist"
- return
+ # Windows targets need __main, prefixed with underscore.
+ if {[istarget *-*-cygwin* ] || [istarget *-*-mingw*]} {
+ append flags " --defsym ___main=0"
}
- 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
- }
+ # PowerPC EABI code calls __eabi.
+ if {[istarget powerpc*-*-eabi*] || [istarget powerpc*-*-rtems*]} {
+ append flags " --defsym __eabi=0"
}
- close $file_a
- while { [gets $file_b line] != $eof } {
- if [regexp "^#.*$" $line] then {
- continue
- } else {
- lappend list_b $line
- }
+ # mn10200 code calls __truncsipsi2_d0_d2.
+ if {[istarget mn10200*-*-*]} then {
+ append flags " --defsym __truncsipsi2_d0_d2=0"
}
- 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
- }
+ # m6811/m6812 code has references to soft registers.
+ if {[istarget m6811-*-*] || [istarget m6812-*-*] || [istarget m68hc1*-*-*]} {
+ append flags " --defsym _.frame=0 --defsym _.d1=0 --defsym _.d2=0"
+ append flags " --defsym _.d3=0 --defsym _.d4=0"
+ append flags " --defsym _.tmp=0 --defsym _.xy=0 --defsym _.z=0"
}
- if { [llength $list_a] != [llength $list_b] } {
- fail "Test: $target"
- return
+ # Some OpenBSD targets have ProPolice and reference __guard and
+ # __stack_smash_handler.
+ if [istarget *-*-openbsd*] {
+ append flags " --defsym __guard=0"
+ append flags " --defsym __stack_smash_handler=0"
}
- if $differences<1 then {
- pass "Test: $target"
- }
+ return $flags
}
# run_dump_test FILE
# Link assembled files using FLAGS, in the order of the "source"
# directives, when using multiple files.
#
+# ld_after_inputfiles: FLAGS
+# Similar to "ld", but put after all input files.
+#
# objcopy_linked_file: FLAGS
# Run objcopy on the linked file with the specified flags.
# This lets you transform the linked file using objcopy, before the
#
# target: TARGET
# Only run the test for TARGET. This may occur more than once; the
-# target being tested must match at least one.
+# target being tested must match at least one. You may provide target
+# name "cfi" for any target supporting the CFI statements.
#
# notarget: TARGET
# Do not run the test for TARGET. This may occur more than once;
# error: REGEX
# An error with message matching REGEX must be emitted for the test
# to pass. The PROG, objdump, nm and objcopy options have no
-# meaning and need not supplied if this is present.
+# meaning and need not supplied if this is present. Multiple "error"
+# directives append to the expected linker error message.
+#
+# warning: REGEX
+# Expect a linker warning matching REGEX. It is an error to issue
+# both "error" and "warning". Multiple "warning" directives
+# append to the expected linker warning message.
#
# Each option may occur at most once unless otherwise mentioned.
#
# After the option lines come regexp lines. `run_dump_test' calls
# `regexp_diff' to compare the output of the dumping tool against the
-# regexps in FILE.d. `regexp_diff' is defined later in this file; see
-# further comments there.
-
+# regexps in FILE.d. `regexp_diff' is defined in binutils-common.exp;
+# see further comments there.
+#
proc run_dump_test { name } {
global subdir srcdir
global OBJDUMP NM AS OBJCOPY READELF LD
global OBJDUMPFLAGS NMFLAGS ASFLAGS OBJCOPYFLAGS READELFFLAGS LDFLAGS
global host_triplet runtests
- global env
+ global env verbose
if [string match "*/*" $name] {
set file $name
set run_objcopy 0
set opts(as) {}
set opts(ld) {}
+ set opts(ld_after_inputfiles) {}
set opts(xfail) {}
set opts(target) {}
set opts(notarget) {}
set opts(PROG) {}
set opts(source) {}
set opts(error) {}
+ set opts(warning) {}
set opts(objcopy_linked_file) {}
- set asflags(${file}.s) {}
foreach i $opt_array {
set opt_name [lindex $i 0]
xfail {}
target {}
notarget {}
+ warning {}
+ error {}
source {
- # Move any source-specific as-flags to a separate array to
+ # Move any source-specific as-flags to a separate list to
# simplify processing.
if { [llength $opt_val] > 1 } {
- set asflags([lindex $opt_val 0]) [lrange $opt_val 1 end]
+ lappend asflags [lrange $opt_val 1 end]
set opt_val [lindex $opt_val 0]
} else {
- set asflags($opt_val) {}
+ lappend asflags {}
}
}
default {
}
}
}
- set opts($opt_name) [concat $opts($opt_name) $opt_val]
+ if { $opt_name == "as" || $opt_name == "ld" } {
+ set opt_val [subst $opt_val]
+ }
+
+ # Append differently whether it's a message (without space) or
+ # an option or list (with space).
+ switch -- $opt_name {
+ warning -
+ error {
+ append opts($opt_name) $opt_val
+ }
+ default {
+ set opts($opt_name) [concat $opts($opt_name) $opt_val]
+ }
+ }
+ }
+ foreach opt { as ld } {
+ regsub {\[big_or_little_endian\]} $opts($opt) \
+ [big_or_little_endian] opts($opt)
}
# Decide early whether we should run the test for this target.
}
}
- if {$opts(PROG) != ""} {
- switch -- $opts(PROG) {
- objdump
- { set program objdump }
- nm
- { set program nm }
- objcopy
- { set program objcopy }
- readelf
- { set program readelf }
- default
+ set program ""
+ # It's meaningless to require an output-testing method when we
+ # expect an error.
+ if { $opts(error) == "" } {
+ if {$opts(PROG) != ""} {
+ switch -- $opts(PROG) {
+ objdump { set program objdump }
+ nm { set program nm }
+ objcopy { set program objcopy }
+ readelf { set program readelf }
+ default
{ perror "unrecognized program option $opts(PROG) in $file.d"
unresolved $subdir/$name
return }
- }
- } elseif { $opts(error) != "" } {
- # It's meaningless to require an output-testing method when we
- # expect an error. For simplicity, we fake an arbitrary method.
- set program "nm"
- } else {
+ }
+ } else {
# Guess which program to run, by seeing which option was specified.
- set program ""
- foreach p {objdump objcopy nm readelf} {
- if {$opts($p) != ""} {
- if {$program != ""} {
- perror "ambiguous dump program in $file.d"
- unresolved $subdir/$name
- return
- } else {
- set program $p
+ foreach p {objdump objcopy nm readelf} {
+ if {$opts($p) != ""} {
+ if {$program != ""} {
+ perror "ambiguous dump program in $file.d"
+ unresolved $subdir/$name
+ return
+ } else {
+ set program $p
+ }
}
}
}
- if {$program == ""} {
+ if { $program == "" && $opts(warning) == "" } {
perror "dump program unspecified in $file.d"
unresolved $subdir/$name
return
}
}
- set progopts1 $opts($program)
- eval set progopts \$[string toupper $program]FLAGS
- eval set binary \$[string toupper $program]
if { $opts(name) == "" } {
set testname "$subdir/$name"
} else {
if { $opts(source) == "" } {
set sourcefiles [list ${file}.s]
+ set asflags [list ""]
} else {
set sourcefiles {}
foreach sf $opts(source) {
if { [string match "/*" $sf] } {
lappend sourcefiles "$sf"
- } {
+ } else {
lappend sourcefiles "$srcdir/$subdir/$sf"
}
- # Must have asflags indexed on source name.
- set asflags($srcdir/$subdir/$sf) $asflags($sf)
}
}
set objfiles {}
for { set i 0 } { $i < [llength $sourcefiles] } { incr i } {
set sourcefile [lindex $sourcefiles $i]
+ set sourceasflags [lindex $asflags $i]
set objfile "tmpdir/dump$i.o"
+ catch "exec rm -f $objfile" exec_output
lappend objfiles $objfile
- set cmd "$AS $ASFLAGS $opts(as) $asflags($sourcefile) -o $objfile $sourcefile"
+ set cmd "$AS $ASFLAGS $opts(as) $sourceasflags -o $objfile $sourcefile"
send_log "$cmd\n"
- set cmdret [catch "exec $cmd" comp_output]
- set comp_output [prune_warnings $comp_output]
+ set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
+ remote_upload host "ld.tmp"
+ set comp_output [prune_warnings [file_contents "ld.tmp"]]
+ remote_file host delete "ld.tmp"
+ remote_file build delete "ld.tmp"
- # We accept errors at assembly stage too, unless we're supposed to
- # link something.
- if { $cmdret != 0 || ![string match "" $comp_output] } then {
+ if { [lindex $cmdret 0] != 0 || ![string match "" $comp_output] } then {
send_log "$comp_output\n"
verbose "$comp_output" 3
- if { $opts(error) != "" && $run_ld == 0 } {
- if [regexp $opts(error) $comp_output] {
- pass $testname
- return
- }
- }
+
+ set exitstat "succeeded"
+ if { $cmdret != 0 } { set exitstat "failed" }
+ verbose -log "$exitstat with: <$comp_output>"
fail $testname
return
}
}
+ set expmsg $opts(error)
+ if { $opts(warning) != "" } {
+ if { $expmsg != "" } {
+ perror "$testname: mixing error and warning test-directives"
+ return
+ }
+ set expmsg $opts(warning)
+ }
+
# Perhaps link the file(s).
if { $run_ld } {
set objfile "tmpdir/dump"
+ catch "exec rm -f $objfile" exec_output
# Add -L$srcdir/$subdir so that the linker command can use
# linker scripts in the source directory.
set cmd "$LD $LDFLAGS -L$srcdir/$subdir \
- $opts(ld) -o $objfile $objfiles"
+ $opts(ld) -o $objfile $objfiles $opts(ld_after_inputfiles)"
send_log "$cmd\n"
- set cmdret [catch "exec $cmd" comp_output]
- set comp_output [prune_warnings $comp_output]
-
- if { $cmdret != 0 || ![string match "" $comp_output] } then {
- verbose -log "failed with: <$comp_output>, expected: <$opts(error)>"
- send_log "$comp_output\n"
- verbose "$comp_output" 3
- if { $opts(error) != "" && $run_objcopy == 0 } {
- if [regexp $opts(error) $comp_output] {
- pass $testname
- return
- }
- }
- fail $testname
- return
- }
-
- if { $run_objcopy } {
+ set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
+ remote_upload host "ld.tmp"
+ set comp_output [file_contents "ld.tmp"]
+ remote_file host delete "ld.tmp"
+ remote_file build delete "ld.tmp"
+ set cmdret [lindex $cmdret 0]
+
+ if { $cmdret == 0 && $run_objcopy } {
set infile $objfile
set objfile "tmpdir/dump1"
+ remote_file host delete $objfile
# Note that we don't use OBJCOPYFLAGS here; any flags must be
# explicitly specified.
set cmd "$OBJCOPY $opts(objcopy_linked_file) $infile $objfile"
send_log "$cmd\n"
- set cmdret [catch "exec $cmd" comp_output]
- set comp_output [prune_warnings $comp_output]
-
- if { $cmdret != 0 || ![string match "" $comp_output] } then {
- verbose -log "failed with: <$comp_output>, expected: <$opts(error)>"
- send_log "$comp_output\n"
- verbose "$comp_output" 3
- if { $opts(error) != "" } {
- if [regexp $opts(error) $comp_output] {
- pass $testname
- return
- }
+ set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
+ remote_upload host "ld.tmp"
+ append comp_output [file_contents "ld.tmp"]
+ remote_file host delete "ld.tmp"
+ remote_file build delete "ld.tmp"
+ set cmdret [lindex $cmdret 0]
+ }
+
+ regsub "\n$" $comp_output "" comp_output
+ if { $cmdret != 0 || $comp_output != "" || $expmsg != "" } then {
+ set exitstat "succeeded"
+ if { $cmdret != 0 } { set exitstat "failed" }
+ verbose -log "$exitstat with: <$comp_output>, expected: <$expmsg>"
+ send_log "$comp_output\n"
+ verbose "$comp_output" 3
+
+ if { ($expmsg == "") == ($comp_output == "") \
+ && [regexp $expmsg $comp_output] \
+ && (($cmdret == 0) == ($opts(error) == "")) } {
+ # We have the expected output from ld.
+ if { $opts(error) != "" || $program == "" } {
+ pass $testname
+ return
}
+ } else {
+ verbose -log "$exitstat with: <$comp_output>, expected: <$expmsg>"
fail $testname
return
}
return
}
- if { [which $binary] == 0 } {
+ set progopts1 $opts($program)
+ eval set progopts \$[string toupper $program]FLAGS
+ eval set binary \$[string toupper $program]
+
+ if { ![is_remote host] && [which $binary] == 0 } {
untested $testname
return
}
}
set env(LC_ALL) "C"
send_log "$cmd\n"
- catch "exec $cmd" comp_output
+ set cmdret [remote_exec host [concat sh -c [list "$cmd 2>ld.tmp"]] "" "/dev/null"]
+ set cmdret [lindex $cmdret 0]
+ remote_upload host "ld.tmp"
+ set comp_output [prune_warnings [file_contents "ld.tmp"]]
+ remote_file host delete "ld.tmp"
+ remote_file build delete "ld.tmp"
if {[info exists old_lc_all]} {
set env(LC_ALL) $old_lc_all
} else {
unset env(LC_ALL)
}
- set comp_output [prune_warnings $comp_output]
- if ![string match "" $comp_output] then {
- send_log "$comp_output\n"
+ if { $cmdret != 0 || $comp_output != "" } {
+ send_log "exited abnormally with $cmdret, output:$comp_output\n"
fail $testname
return
}
- verbose_eval {[file_contents $dumpfile]} 3
+ if { $verbose > 2 } then { verbose "output is [file_contents $dumpfile]" 3 }
if { [regexp_diff $dumpfile "${file}.d"] } then {
fail $testname
- verbose "output is [file_contents $dumpfile]" 2
+ if { $verbose == 2 } then { verbose "output is [file_contents $dumpfile]" 2 }
return
}
}
proc slurp_options { file } {
+ # If options_regsub(foo) is set to {a b}, then the contents of a
+ # "#foo:" line will have regsub -all applied to replace a with b.
+ global options_regsub
+
if [catch { set f [open $file r] } x] {
#perror "couldn't open `$file': $x"
perror "$x"
# Whitespace here is space-tab.
if [regexp $pat $line xxx opt_name opt_val] {
# match!
+ if [info exists options_regsub($opt_name)] {
+ set subst $options_regsub($opt_name)
+ regsub -all -- [lindex $subst 0] $opt_val [lindex $subst 1] \
+ opt_val
+ }
lappend opt_array [list $opt_name $opt_val]
} else {
break
return $opt_array
}
-# regexp_diff, copied from gas, based on simple_diff above.
-# 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
-}
-
proc file_contents { filename } {
set file [open $filename r]
set contents [read $file]
return $contents
}
-# List contains test-items with 3 items followed by 2 lists:
-# 0:name 1:ld options 2:assembler options
-# 3:filenames of assembler files 4: action and options. 5: name of output file
+proc set_file_contents { filename contents } {
+ set file [open $filename w]
+ puts $file "$contents"
+ close $file
+}
-# Actions:
-# objdump: Apply objdump options on result. Compare with regex (last arg).
-# nm: Apply nm options on result. Compare with regex (last arg).
-# readelf: Apply readelf options on result. Compare with regex (last arg).
+# Create an archive using ar
+#
+proc ar_simple_create { ar aropts target objects } {
+ remote_file host delete $target
+
+ set exec_output [run_host_cmd "$ar" "$aropts rc $target $objects"]
+ set exec_output [prune_warnings $exec_output]
+ if [string match "" $exec_output] then {
+ send_log "$exec_output\n"
+ return 1
+ } else {
+ return 0
+ }
+}
+
+# List contains test-items with 3 items followed by 2 lists, one item and
+# one optional item:
+# 0:name
+# 1:ld/ar options
+# 2:assembler options
+# 3:filenames of assembler files
+# 4:list of actions, options and expected outputs.
+# 5:name of output file
+# 6:compiler flags (optional)
+#
+# Actions: { command command-line-options file-containg-expected-output-regexps }
+# Commands:
+# objdump: Apply objdump options on result.
+# nm: Apply nm options on result.
+# readelf: Apply readelf options on result.
+# ld: Don't apply anything on result. Compare output during linking with
+# the file containing regexps (which is the second arg, not the third).
+# Note that this *must* be the first action if it is to be used at all;
+# in all other cases, any output from the linker during linking is
+# treated as a sign of an error and FAILs the test.
+#
proc run_ld_link_tests { ldtests } {
global ld
global as
global nm
+ global ar
global objdump
global READELF
global srcdir
global subdir
global env
+ global CC
+ global CFLAGS
+ global runtests
+ global exec_output
foreach testitem $ldtests {
set testname [lindex $testitem 0]
+
+ if ![runtest_file_p $runtests $testname] then {
+ continue
+ }
+
set ld_options [lindex $testitem 1]
set as_options [lindex $testitem 2]
- set as_files [lindex $testitem 3]
+ set src_files [lindex $testitem 3]
set actions [lindex $testitem 4]
set binfile tmpdir/[lindex $testitem 5]
+ set cflags [lindex $testitem 6]
set objfiles {}
set is_unresolved 0
set failed 0
+ set maybe_failed 0
+ set ld_output ""
# verbose -log "Testname is $testname"
# verbose -log "ld_options is $ld_options"
# verbose -log "as_options is $as_options"
-# verbose -log "as_files is $as_files"
+# verbose -log "src_files is $src_files"
# verbose -log "actions is $actions"
# verbose -log "binfile is $binfile"
# Assemble each file in the test.
- foreach as_file $as_files {
- set objfile "tmpdir/[file rootname $as_file].o"
+ foreach src_file $src_files {
+ set fileroot "[file rootname [file tail $src_file]]"
+ set objfile "tmpdir/$fileroot.o"
lappend objfiles $objfile
- if ![ld_assemble $as "$as_options $srcdir/$subdir/$as_file" $objfile] {
+ if { [file extension $src_file] == ".c" } {
+ set as_file "tmpdir/$fileroot.s"
+ if ![ld_compile "$CC -S $CFLAGS $cflags" $srcdir/$subdir/$src_file $as_file] {
+ set is_unresolved 1
+ break
+ }
+ } else {
+ set as_file "$srcdir/$subdir/$src_file"
+ }
+ if ![ld_assemble $as "$as_options $as_file" $objfile] {
set is_unresolved 1
break
}
}
# Catch assembler errors.
- if { $is_unresolved != 0 } {
+ if { $is_unresolved } {
unresolved $testname
continue
}
- if ![ld_simple_link $ld $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
- fail $testname
- } else {
- set failed 0
+ if { [regexp ".*\\.a$" $binfile] } {
+ if { ![ar_simple_create $ar $ld_options $binfile "$objfiles"] } {
+ set failed 1
+ }
+ } elseif { ![ld_simple_link $ld $binfile "-L$srcdir/$subdir $ld_options $objfiles"] } {
+ set maybe_failed 1
+ set ld_output "$exec_output"
+ }
+
+ if { !$failed } {
foreach actionlist $actions {
set action [lindex $actionlist 0]
set progopts [lindex $actionlist 1]
{ set dump_prog $nm }
readelf
{ set dump_prog $READELF }
+ ld
+ { set dump_prog "ld" }
default
{
perror "Unrecognized action $action"
}
}
- if { $dump_prog != "" } {
+ if { $action == "ld" } {
+ set regexpfile $progopts
+ verbose "regexpfile is $srcdir/$subdir/$regexpfile"
+ set_file_contents "tmpdir/ld.messages" "$ld_output"
+ verbose "ld.messages has '[file_contents tmpdir/ld.messages]'"
+ if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$regexpfile"] } then {
+ verbose "output is $ld_output" 2
+ set failed 1
+ break
+ }
+ set maybe_failed 0
+ } elseif { !$maybe_failed && $dump_prog != "" } {
set dumpfile [lindex $actionlist 2]
set binary $dump_prog
set old_lc_all $env(LC_ALL)
}
set env(LC_ALL) "C"
- set cmd "$binary $progopts $binfile > dump.out"
+ set cmd "$binary $progopts $binfile"
+ set status [remote_exec host [concat sh -c [list "$cmd >dump.out 2>ld.stderr"]] "" "/dev/null"]
send_log "$cmd\n"
- catch "exec $cmd" comp_output
+ remote_upload host "ld.stderr"
+ set comp_output [prune_warnings [file_contents "ld.stderr"]]
+ remote_file host delete "ld.stderr"
+ remote_file build delete "ld.stderr"
+
if {[info exists old_lc_all]} {
set env(LC_ALL) $old_lc_all
} else {
unset env(LC_ALL)
}
- set comp_output [prune_warnings $comp_output]
if ![string match "" $comp_output] then {
send_log "$comp_output\n"
break
}
+ remote_upload host "dump.out"
+
if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
verbose "output is [file_contents "dump.out"]" 2
set failed 1
+ remote_file build delete "dump.out"
+ remote_file host delete "dump.out"
break
}
+ remote_file build delete "dump.out"
+ remote_file host delete "dump.out"
}
}
-
- if { $failed != 0 } {
- fail $testname
- } else { if { $is_unresolved == 0 } {
- pass $testname
- } }
}
- # Catch action errors.
- if { $is_unresolved != 0 } {
+ if { $is_unresolved } {
unresolved $testname
- continue
+ } elseif { $maybe_failed || $failed } {
+ fail $testname
+ } else {
+ pass $testname
}
}
}
-
-proc verbose_eval { expr { level 1 } } {
- global verbose
- if $verbose>$level then { eval verbose "$expr" $level }
-}
-
# 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.
return $text
}
}
+
+# targets_to_xfail is a list of target triplets to be xfailed.
+# ldtests contains test-items with 3 items followed by 1 lists, 2 items
+# and 3 optional items:
+# 0:name
+# 1:ld options
+# 2:assembler options
+# 3:filenames of source files
+# 4:name of output file
+# 5:expected output
+# 6:compiler flags (optional)
+# 7:language (optional)
+# 8:linker warning (optional)
+
+proc run_ld_link_exec_tests { targets_to_xfail ldtests } {
+ global ld
+ global as
+ global srcdir
+ global subdir
+ global env
+ global CC
+ global CXX
+ global CFLAGS
+ global CXXFLAGS
+ global errcnt
+ global exec_output
+
+ foreach testitem $ldtests {
+ foreach target $targets_to_xfail {
+ setup_xfail $target
+ }
+ set testname [lindex $testitem 0]
+ set ld_options [lindex $testitem 1]
+ set as_options [lindex $testitem 2]
+ set src_files [lindex $testitem 3]
+ set binfile tmpdir/[lindex $testitem 4]
+ set expfile [lindex $testitem 5]
+ set cflags [lindex $testitem 6]
+ set lang [lindex $testitem 7]
+ set warning [lindex $testitem 8]
+ set objfiles {}
+ set failed 0
+
+# verbose -log "Testname is $testname"
+# verbose -log "ld_options is $ld_options"
+# verbose -log "as_options is $as_options"
+# verbose -log "src_files is $src_files"
+# verbose -log "actions is $actions"
+# verbose -log "binfile is $binfile"
+
+ # Assemble each file in the test.
+ foreach src_file $src_files {
+ set fileroot "[file rootname [file tail $src_file]]"
+ set objfile "tmpdir/$fileroot.o"
+ lappend objfiles $objfile
+
+ # We ignore warnings since some compilers may generate
+ # incorrect section attributes and the assembler will warn
+ # them.
+ if { [ string match "c++" $lang ] } {
+ ld_compile "$CXX -c $CXXFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
+ } else {
+ ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
+ }
+
+ # We have to use $CC to build PIE and shared library.
+ if { [ string match "c" $lang ] } {
+ set link_proc ld_simple_link
+ set link_cmd $CC
+ } elseif { [ string match "c++" $lang ] } {
+ set link_proc ld_simple_link
+ set link_cmd $CXX
+ } elseif { [ string match "-shared" $ld_options ] \
+ || [ string match "-pie" $ld_options ] } {
+ set link_proc ld_simple_link
+ set link_cmd $CC
+ } else {
+ set link_proc ld_link
+ set link_cmd $ld
+ }
+
+ if ![$link_proc $link_cmd $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
+ set failed 1
+ } else {
+ set failed 0
+ }
+
+ # Check if exec_output is expected.
+ if { $warning != "" } then {
+ verbose -log "returned with: <$exec_output>, expected: <$warning>"
+ if { [regexp $warning $exec_output] } then {
+ set failed 0
+ } else {
+ set failed 1
+ }
+ }
+
+ if { $failed == 0 } {
+ send_log "Running: $binfile > $binfile.out\n"
+ verbose "Running: $binfile > $binfile.out"
+ catch "exec $binfile > $binfile.out" exec_output
+
+ if ![string match "" $exec_output] then {
+ send_log "$exec_output\n"
+ verbose "$exec_output" 1
+ set failed 1
+ } else {
+ send_log "diff $binfile.out $srcdir/$subdir/$expfile\n"
+ verbose "diff $binfile.out $srcdir/$subdir/$expfile"
+ catch "exec diff $binfile.out $srcdir/$subdir/$expfile" exec_output
+ set exec_output [prune_warnings $exec_output]
+
+ if ![string match "" $exec_output] then {
+ send_log "$exec_output\n"
+ verbose "$exec_output" 1
+ set failed 1
+ }
+ }
+ }
+
+ if { $failed != 0 } {
+ fail $testname
+ } else {
+ set errcnt 0
+ pass $testname
+ }
+ }
+ }
+}
+
+# List contains test-items with 3 items followed by 2 lists, one item and
+# one optional item:
+# 0:name
+# 1:ld or ar options
+# 2:compile options
+# 3:filenames of source files
+# 4:action and options.
+# 5:name of output file
+# 6:language (optional)
+# 7:linker warnings (optional)
+#
+# Actions:
+# objdump: Apply objdump options on result. Compare with regex (last arg).
+# nm: Apply nm options on result. Compare with regex (last arg).
+# readelf: Apply readelf options on result. Compare with regex (last arg).
+#
+proc run_cc_link_tests { ldtests } {
+ global nm
+ global objdump
+ global READELF
+ global srcdir
+ global subdir
+ global env
+ global CC
+ global CXX
+ global CFLAGS
+ global CXXFLAGS
+ global ar
+ global exec_output
+
+ foreach testitem $ldtests {
+ set testname [lindex $testitem 0]
+ set ldflags [lindex $testitem 1]
+ set cflags [lindex $testitem 2]
+ set src_files [lindex $testitem 3]
+ set actions [lindex $testitem 4]
+ set binfile tmpdir/[lindex $testitem 5]
+ set lang [lindex $testitem 6]
+ set warnings [lindex $testitem 7]
+ set objfiles {}
+ set is_unresolved 0
+ set failed 0
+
+ # Compile each file in the test.
+ foreach src_file $src_files {
+ set fileroot "[file rootname [file tail $src_file]]"
+ set objfile "tmpdir/$fileroot.o"
+ lappend objfiles $objfile
+
+ # We ignore warnings since some compilers may generate
+ # incorrect section attributes and the assembler will warn
+ # them.
+ if { [ string match "c++" $lang ] } {
+ ld_compile "$CXX -c $CXXFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
+ } else {
+ ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
+ }
+ }
+
+ # Clear error and warning counts.
+ reset_vars
+
+ if { [ string match "c++" $lang ] } {
+ set cc_cmd $CXX
+ } else {
+ set cc_cmd $CC
+ }
+
+ if { [regexp ".*\\.a$" $binfile] } {
+ if { ![ar_simple_create $ar $ldflags $binfile "$objfiles"] } {
+ fail $testname
+ set failed 1
+ } else {
+ set failed 0
+ }
+ } elseif { ![ld_simple_link $cc_cmd $binfile "-L$srcdir/$subdir $ldflags $objfiles"] } {
+ # Check if exec_output is expected.
+ if { $warnings != "" } then {
+ verbose -log "returned with: <$exec_output>, expected: <$warnings>"
+ if { [regexp $warnings $exec_output] } then {
+ set failed 0
+ } else {
+ set failed 1
+ }
+ } else {
+ fail $testname
+ set failed 1
+ }
+ } else {
+ set failed 0
+ }
+
+ if { $failed == 0 } {
+ foreach actionlist $actions {
+ set action [lindex $actionlist 0]
+ set progopts [lindex $actionlist 1]
+
+ # There are actions where we run regexp_diff on the
+ # output, and there are other actions (presumably).
+ # Handling of the former look the same.
+ set dump_prog ""
+ switch -- $action {
+ objdump
+ { set dump_prog $objdump }
+ nm
+ { set dump_prog $nm }
+ readelf
+ { set dump_prog $READELF }
+ default
+ {
+ perror "Unrecognized action $action"
+ set is_unresolved 1
+ break
+ }
+ }
+
+ if { $dump_prog != "" } {
+ set dumpfile [lindex $actionlist 2]
+ set binary $dump_prog
+
+ # Ensure consistent sorting of symbols
+ if {[info exists env(LC_ALL)]} {
+ set old_lc_all $env(LC_ALL)
+ }
+ set env(LC_ALL) "C"
+ set cmd "$binary $progopts $binfile > dump.out"
+ send_log "$cmd\n"
+ catch "exec $cmd" comp_output
+ if {[info exists old_lc_all]} {
+ set env(LC_ALL) $old_lc_all
+ } else {
+ unset env(LC_ALL)
+ }
+ set comp_output [prune_warnings $comp_output]
+
+ if ![string match "" $comp_output] then {
+ send_log "$comp_output\n"
+ set failed 1
+ break
+ }
+
+ if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
+ verbose "output is [file_contents "dump.out"]" 2
+ set failed 1
+ break
+ }
+ }
+ }
+
+ if { $failed != 0 } {
+ fail $testname
+ } else { if { $is_unresolved == 0 } {
+ pass $testname
+ } }
+ }
+
+ # Catch action errors.
+ if { $is_unresolved != 0 } {
+ unresolved $testname
+ continue
+ }
+ }
+}
+
+# Returns true if --gc-sections is supported on the target.
+
+proc check_gc_sections_available { } {
+ global gc_sections_available_saved
+ global ld
+
+ if {![info exists gc_sections_available_saved]} {
+ # Some targets don't support gc-sections despite whatever's
+ # advertised by ld's options.
+ if {[istarget arc-*-*]
+ || [istarget d30v-*-*]
+ || [istarget dlx-*-*]
+ || [istarget i960-*-*]
+ || [istarget or32-*-*]
+ || [istarget pj*-*-*]
+ || [istarget alpha-*-*]
+ || [istarget hppa*64-*-*]
+ || [istarget i370-*-*]
+ || [istarget i860-*-*]
+ || [istarget ia64-*-*]
+ || [istarget mep-*-*]
+ || [istarget mn10200-*-*]
+ || [istarget *-*-cygwin]
+ || [istarget *-*-mingw*] } {
+ set gc_sections_available_saved 0
+ return 0
+ }
+
+ # elf2flt uses -q (--emit-relocs), which is incompatible with
+ # --gc-sections.
+ if { [board_info target exists ldflags]
+ && [regexp " -elf2flt\[ =\]" " [board_info target ldflags] "] } {
+ set gc_sections_available_saved 0
+ return 0
+ }
+
+ # Check if the ld used by gcc supports --gc-sections.
+ # FIXME: this test is useless since ld --help always says
+ # --gc-sections is available
+ set ld_output [remote_exec host $ld "--help"]
+ if { [ string first "--gc-sections" $ld_output ] >= 0 } {
+ set gc_sections_available_saved 1
+ } else {
+ set gc_sections_available_saved 0
+ }
+ }
+ return $gc_sections_available_saved
+}
+
+# Returns true if -shared is supported on the target
+# Only used and accurate for ELF targets at the moment
+
+proc check_shared_lib_support { } {
+ if {![istarget arc-*-*]
+ && ![istarget avr-*-*]
+ && ![istarget cr16-*-*]
+ && ![istarget cris*-*-*]
+ && ![istarget crx-*-*]
+ && ![istarget d10v-*-*]
+ && ![istarget d30v-*-*]
+ && ![istarget dlx-*-*]
+ && ![istarget epiphany-*-*]
+ && ![istarget fr30-*-*]
+ && ![istarget frv-*-*]
+ && ![istarget h8300-*-*]
+ && ![istarget i860-*-*]
+ && ![istarget i960-*-*]
+ && ![istarget ip2k-*-*]
+ && ![istarget iq2000-*-*]
+ && ![istarget lm32-*-*]
+ && ![istarget m32c-*-*]
+ && ![istarget m32r-*-*]
+ && ![istarget m6811-*-*]
+ && ![istarget m6812-*-*]
+ && ![istarget m68hc1*-*-*]
+ && ![istarget mcore*-*-*]
+ && ![istarget mep-*-*]
+ && ![istarget microblaze-*-*]
+ && ![istarget mn10200-*-*]
+ && ![istarget moxie-*-*]
+ && ![istarget msp430-*-*]
+ && ![istarget mt-*-*]
+ && ![istarget openrisc-*-*]
+ && ![istarget or32-*-*]
+ && ![istarget pj-*-*]
+ && ![istarget rx-*-*]
+ && ![istarget spu-*-*]
+ && ![istarget v850*-*-*]
+ && ![istarget xstormy16-*-*]
+ && ![istarget *-*-irix*]
+ && ![istarget *-*-rtems] } {
+ return 1
+ }
+ return 0
+}
+
+# Returns true if the target ld supports the plugin API.
+proc check_plugin_api_available { } {
+ global plugin_api_available_saved
+ global ld
+ if {![info exists plugin_api_available_saved]} {
+ # Check if the ld used by gcc supports --plugin.
+ set ld_output [remote_exec host $ld "--help"]
+ if { [ string first "-plugin" $ld_output ] >= 0 } {
+ set plugin_api_available_saved 1
+ } else {
+ set plugin_api_available_saved 0
+ }
+ }
+ return $plugin_api_available_saved
+}
+
+# Check if the assembler supports CFI statements.
+
+proc check_as_cfi { } {
+ global check_as_cfi_result
+ global as
+ if [info exists check_as_cfi_result] {
+ return $check_as_cfi_result
+ }
+ set as_file "tmpdir/check_as_cfi.s"
+ set as_fh [open $as_file w 0666]
+ puts $as_fh "# Generated file. DO NOT EDIT"
+ puts $as_fh "\t.cfi_startproc"
+ puts $as_fh "\t.cfi_endproc"
+ close $as_fh
+ remote_download host $as_file
+ verbose -log "Checking CFI support:"
+ rename "perror" "check_as_cfi_perror"
+ proc perror { args } { }
+ set success [ld_assemble $as $as_file "/dev/null"]
+ rename "perror" ""
+ rename "check_as_cfi_perror" "perror"
+ #remote_file host delete $as_file
+ set check_as_cfi_result $success
+ return $success
+}
+
+# Provide virtual target "cfi" for targets supporting CFI.
+
+rename "istarget" "istarget_ld"
+proc istarget { target } {
+ if {$target == "cfi"} {
+ return [check_as_cfi]
+ }
+ return [istarget_ld $target]
+}