# Support routines for LD testsuite.
-# Copyright (C) 1994-2016 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
global link_output
global gcc_B_opt
global ld_L_opt
+ global gcc_ld_B_opt_tested
+ global ld
if { ![is_remote host] && [which "$prog"] == 0 } then {
perror "$prog does not exist"
set gccexe [string replace $gccexe 0 [string last "/" $gccexe] ""]
if {[string match "*cc*" $gccexe] || [string match "*++*" $gccexe]} then {
set gccflags "$gcc_B_opt $gccflags $ld_L_opt"
+ if {![info exists gcc_ld_B_opt_tested]} {
+ set gcc_ld_B_opt_tested 1
+ set ld_version_message [run_host_cmd "$ld" "--version"]
+ set gcc_ld_version_message [run_host_cmd "$prog" "$gccflags -Wl,--version"]
+ if {[string first $ld_version_message $gcc_ld_version_message] < 0} {
+ perror "************************************************************************"
+ perror "Your compiler driver ignores -B when choosing ld."
+ perror "You will not be testing the new ld in many of the following tests."
+ set gcc_ld_version [run_host_cmd "$prog" "$gccflags --print-prog-name=ld"]
+ if {![string match "" $gcc_ld_version] && ![string match "ld" $gcc_ld_version]} {
+
+ perror "It seems you will be testing $gcc_ld_version instead."
+ }
+ perror "************************************************************************"
+ }
+ }
}
verbose -log "$prog $gccflags $command"
return $flags
}
-# Link a program using ld.
+# Link a program using ld
#
proc default_ld_link { ld target objects } {
- global HOSTING_EMU
- global HOSTING_CRT0
- global HOSTING_SCRT0
- global HOSTING_LIBS
- global HOSTING_SLIBS
- global LIBS
- global host_triplet
- global link_output
- global exec_output
-
- if { [ string match "* -pie *" $objects ] } {
- set objs "$HOSTING_SCRT0 $objects"
- set libs "$LIBS $HOSTING_SLIBS"
- } else {
- set objs "$HOSTING_CRT0 $objects"
- set libs "$LIBS $HOSTING_LIBS"
- }
-
- if [is_endian_output_format $objects] then {
- set flags [big_or_little_endian]
- } else {
- set flags ""
- }
-
- remote_file host delete $target
-
- return [run_host_cmd_yesno "$ld" "$HOSTING_EMU $flags -o $target $objs $libs"]
-}
-
-# Link a program using ld, without including any libraries.
-#
-proc default_ld_simple_link { ld target objects } {
global host_triplet
global exec_output
remote_file build delete "ld.tmp"
remote_file host delete "ld.tmp"
set exec_output [prune_warnings $exec_output]
+ # Versions of gcc up to and including pre-release gcc-7, at least on
+ # some targets, generate .section directives with incorrect type.
+ # Ignore warnings from the assembler about this.
+ regsub -all "(^|\n)\[^\n\]*: ignoring incorrect section type \[^\n\]*" $exec_output "" exec_output
+ regsub -all "^\[^\n\]*: Assembler messages:\n" $exec_output "" exec_output
if [string match "" $exec_output] then {
if {![file exists $object]} then {
regexp ".*/(\[^/\]*)$" $source all dobj
# Define various symbols needed when not linking against all
# target libs.
-proc ld_simple_link_defsyms {} {
+proc ld_link_defsyms {} {
set flags "--defsym __stack_chk_fail=0"
# result is analyzed by an analyzer program specified below (which
# may in turn *also* be objcopy).
#
-# PROG: PROGRAM-NAME
+# DUMPPROG: PROGRAM-NAME
# The name of the program to run to analyze the .o file produced
# by the assembler or the linker output. This can be omitted;
# run_dump_test will guess which program to run by seeing which of
# readelf: FLAGS
# objdump: FLAGS
# nm: FLAGS
-# objcopy: FLAGS
# Use the specified program to analyze the assembler or linker
# output file, and pass it FLAGS, in addition to the output name.
# Note that they are run with LC_ALL=C in the environment to give
# once.
#
# target: TARGET
-# Only run the test for TARGET. This may occur more than once; the
-# target being tested must match at least one. You may provide target
-# name "cfi" for any target supporting the CFI statements.
+# Only run the test for TARGET.
+# You may provide target name "cfi" for any target supporting the
+# CFI statements. You may provide target name "shared" for any
+# target supporting shared libraries. Otherwise TARGET is called
+# as a TCL procedure if surrounded by square brackets, or passed
+# to "istarget" if not.
+# This may occur more than once; the target being tested must match
+# at least one. Otherwise the test will be marked unsupported.
+#
+# alltargets: TARGET
+# Only run the test for TARGET.
+# The syntax for TARGET is as with 'target'.
+# This may occur more than once; the target being tested must match
+# all of them. Otherwise the test will be marked unsupported.
#
# notarget: TARGET
-# Do not run the test for TARGET. This may occur more than once;
-# the target being tested must not match any of them.
+# Do not run the test for TARGET.
+# The syntax for TARGET is as with 'target'.
+# This may occur more than once; the target being tested must not
+# match any of them. Otherwise the test will be marked unsupported.
+#
+# skip: TARGET
+# anyskip: TARGET
+# noskip: TARGET
+# These are exactly the same as "notarget", "alltargets" and
+# "target" respectively, except that they do nothing at all if the
+# check fails. They should only be used in groups, to construct a
+# single test which is run on all targets but with variant options
+# or expected output on some targets. (For example, see
+# gas/arm/inst.d and gas/arm/wince_inst.d.)
#
# error: REGEX
# An error with message matching REGEX must be emitted for the test
-# to pass. The PROG, readelf, objdump, nm and objcopy options have
+# to pass. The DUMPPROG, readelf, objdump, and nm options have
# no meaning and need not be supplied if this is present. Multiple
# "error" directives append to the expected linker error message.
#
set opts(ld_after_inputfiles) {}
set opts(xfail) {}
set opts(target) {}
+ set opts(alltargets) {}
set opts(notarget) {}
+ set opts(skip) {}
+ set opts(anyskip) {}
+ set opts(noskip) {}
set opts(objdump) {}
set opts(nm) {}
- set opts(objcopy) {}
set opts(readelf) {}
set opts(name) {}
- set opts(PROG) {}
+ set opts(DUMPPROG) {}
set opts(source) {}
set opts(dump) {}
set opts(error) {}
switch -- $opt_name {
xfail {}
target {}
+ alltargets {}
notarget {}
+ skip {}
+ anyskip {}
+ noskip {}
warning {}
error {}
source {
[big_or_little_endian] opts($opt)
}
+ if { $opts(name) == "" } {
+ set testname "$subdir/$name"
+ } else {
+ set testname $opts(name)
+ }
+
# Decide early whether we should run the test for this target.
+ if { [llength $opts(noskip)] > 0 } {
+ set targmatch 0
+ foreach targ $opts(noskip) {
+ if [match_target $targ] {
+ set targmatch 1
+ break
+ }
+ }
+ if { $targmatch == 0 } {
+ return
+ }
+ }
+ foreach targ $opts(anyskip) {
+ if ![match_target $targ] {
+ return
+ }
+ }
+ foreach targ $opts(skip) {
+ if [match_target $targ] {
+ return
+ }
+ }
if { [llength $opts(target)] > 0 } {
set targmatch 0
foreach targ $opts(target) {
- if [istarget $targ] {
+ if [match_target $targ] {
set targmatch 1
break
}
}
if { $targmatch == 0 } {
+ unsupported $testname
+ return
+ }
+ }
+ foreach targ $opts(alltargets) {
+ if ![match_target $targ] {
+ unsupported $testname
return
}
}
foreach targ $opts(notarget) {
- if [istarget $targ] {
+ if [match_target $targ] {
+ unsupported $testname
return
}
}
- set program ""
+ set dumpprogram ""
# It's meaningless to require an output-testing method when we
# expect an error.
if { $opts(error) == "" && $opts(error_output) == "" } {
- if {$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 }
+ if { $opts(DUMPPROG) != "" } {
+ switch -- $opts(DUMPPROG) {
+ objdump { set dumpprogram objdump }
+ nm { set dumpprogram nm }
+ readelf { set dumpprogram readelf }
+ default {
+ perror "unrecognized DUMPPROG option $opts(DUMPPROG) in $file.d"
+ unresolved $testname
+ return
+ }
}
} else {
# Guess which program to run, by seeing which option was specified.
- foreach p {objdump objcopy nm readelf} {
+ foreach p {objdump nm readelf} {
if {$opts($p) != ""} {
- if {$program != ""} {
+ if {$dumpprogram != ""} {
perror "ambiguous dump program in $file.d"
- unresolved $subdir/$name
+ unresolved $testname
return
} else {
- set program $p
+ set dumpprogram $p
}
}
}
}
- if { $program == "" \
+ if { $dumpprogram == "" \
&& $opts(map) == "" \
&& $opts(warning) == "" \
&& $opts(warning_output) == "" \
&& $opts(error) == "" \
&& $opts(error_output) == "" } {
perror "dump program unspecified in $file.d"
- unresolved $subdir/$name
+ unresolved $testname
return
}
}
- if { $opts(name) == "" } {
- set testname "$subdir/$name"
- } else {
- set testname $opts(name)
- }
-
if { $opts(source) == "" } {
set sourcefiles [list ${file}.s]
set asflags [list ""]
set exitstat "succeeded"
if { $cmdret != 0 } { set exitstat "failed" }
- if { $check_ld(source) == "regexp" } {
+ if { $check_ld(source) == "regex" } {
verbose -log "$exitstat with: <$comp_output>, expected: <$check_ld(regex)>"
} elseif { $check_ld(source) == "file" } {
verbose -log "$exitstat with: <$comp_output>, expected in file $check_ld(file)"
&& (($cmdret == 0) == ($check_ld(terminal) == 0)) \
&& ((($check_ld(source) == "regex") \
&& ($check_ld(regex) == "") == ($comp_output == "") \
- && [regexp $check_ld(regex) $comp_output]) \
+ && [regexp -- $check_ld(regex) $comp_output]) \
|| (($check_ld(source) == "file") \
&& (![regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$check_ld(file)"]))) } {
# We have the expected output from ld.
- if { $check_ld(terminal) || $program == "" } {
+ if { $check_ld(terminal) || $dumpprogram == "" } {
pass $testname
return
}
pass "$testname (map file check)"
}
- if { $program == "" } then {
+ if { $dumpprogram == "" } then {
return
}
}
return
}
- set progopts1 $opts($program)
- eval set progopts \$[string toupper $program]FLAGS
- eval set binary \$[string toupper $program]
+ set progopts1 $opts($dumpprogram)
+ eval set progopts \$[string toupper $dumpprogram]FLAGS
+ eval set binary \$[string toupper $dumpprogram]
if { ![is_remote host] && [which $binary] == 0 } {
untested $testname
if { $progopts1 == "" } { set $progopts1 "-r" }
verbose "running $binary $progopts $progopts1" 3
-
- # Objcopy, unlike the other two, won't send its output to stdout,
- # so we have to run it specially.
set cmd "$binary $progopts $progopts1 $objfile > $dumpfile"
- if { $program == "objcopy" } {
- set cmd "$binary $progopts $progopts1 $objfile $dumpfile"
- }
# Ensure consistent sorting of symbols
if {[info exists env(LC_ALL)]} {
if { ![ar_simple_create $ar $ld_options $binfile "$objfiles $ld_after"] } {
set failed 1
}
- } elseif { ![ld_simple_link $ld $binfile "$ld_extra_opt -L$srcdir/$subdir $ld_options $objfiles $ld_after"] } {
+ } elseif { ![ld_link $ld $binfile "$ld_extra_opt -L$srcdir/$subdir $ld_options $objfiles $ld_after"] } {
set maybe_failed 1
set ld_output "$exec_output"
}
}
}
-# 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
- }
-}
-
# ldtests contains test-items with 3 items followed by 1 lists, 2 items
# and 3 optional items:
# 0:name
-# 1:ld options
+# 1:ld leading options, placed before object files
# 2:assembler options
# 3:filenames of source files
# 4:name of output file
# 6:compiler flags (optional)
# 7:language (optional)
# 8:linker warning (optional)
+# 9:ld trailing options, placed after object files (optional)
# args is an optional list of target triplets to be xfailed.
proc run_ld_link_exec_tests { ldtests args } {
global CXXFLAGS
global errcnt
global exec_output
+ global board_cflags
+ global STATIC_LDFLAGS
+
+ # When using GCC as the linker driver, we need to specify board cflags when
+ # linking because cflags may contain linker options. For example when
+ # linker options are included in GCC spec files then we need the -specs
+ # option.
+ if [board_info [target_info name] exists cflags] {
+ set board_cflags " [board_info [target_info name] cflags]"
+ } else {
+ set board_cflags ""
+ }
foreach testitem $ldtests {
foreach target $args {
set cflags [lindex $testitem 6]
set lang [lindex $testitem 7]
set warning [lindex $testitem 8]
+ set ld_after [lindex $testitem 9]
set objfiles {}
set failed 0
set objfile "tmpdir/$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 $objfile
+ set cmd "$CXX -c $CXXFLAGS $cflags"
} else {
- ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
+ set cmd "$CC -c $CFLAGS $cflags"
+ }
+ if ![ld_compile $cmd $srcdir/$subdir/$src_file $objfile] {
+ set failed 1
+ break
}
}
+ if { $failed != 0 } {
+ unresolved $testname
+ continue
+ }
- # 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
+ if { [ string match "asm" $lang ] } {
+ set link_proc ld_link
+ set link_cmd $ld
} elseif { [ string match "c++" $lang ] } {
- set link_proc ld_simple_link
+ set link_proc ld_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
+ set link_cmd $CC
}
if { $binfile eq "tmpdir/" } {
# compile only
pass $testname
continue;
- } elseif ![$link_proc $link_cmd $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
- set failed 1
+ } else {
+ if { [string match "" $STATIC_LDFLAGS] \
+ && [regexp -- ".* \[-\]+static .*" " $board_cflags $ld_options $objfiles $ld_after "] } {
+ untested $testname
+ continue
+ }
+ if ![$link_proc $link_cmd $binfile "$board_cflags -L$srcdir/$subdir $ld_options $objfiles $ld_after"] {
+ set failed 1
+ }
}
# Check if exec_output is expected.
}
}
- if { $failed == 0 } {
+ if { $failed == 0 && [isnative] } {
send_log "Running: $binfile > $binfile.out\n"
verbose "Running: $binfile > $binfile.out"
catch "exec $binfile > $binfile.out" exec_output
if { $failed != 0 } {
fail $testname
+ } elseif ![isnative] {
+ unsupported $testname
} else {
set errcnt 0
pass $testname
# 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).
+# warning: Check linker output against regex (last arg).
+# error: Like 'warning' but checking output in error case.
+# warning_output: Check linker output against regex in a file (last arg).
+# error_output: Like 'warning_output' but checking output in error case.
#
proc run_cc_link_tests { ldtests } {
global nm
global ar
global exec_output
global board_cflags
+ global STATIC_LDFLAGS
if [board_info [target_info name] exists cflags] {
set board_cflags " [board_info [target_info name] cflags]"
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
+ set check_ld(terminal) 0
+ set check_ld(source) ""
#verbose -log "testname is $testname"
#verbose -log "ldflags is $ldflags"
#verbose -log "actions is $actions"
#verbose -log "binfile is $binfile"
#verbose -log "lang is $lang"
- #verbose -log "warnings is $warnings"
+
+ foreach actionlist $actions {
+ set action [lindex $actionlist 0]
+ set progopts [lindex $actionlist 1]
+
+ # Find actions related to error/warning processing.
+ switch -- $action {
+ error
+ {
+ set check_ld(source) "regexp"
+ set check_ld(regexp) $progopts
+ set check_ld(terminal) 1
+ }
+ warning
+ {
+ set check_ld(source) "regexp"
+ set check_ld(regexp) $progopts
+ }
+ error_output
+ {
+ set check_ld(source) "file"
+ set check_ld(file) $progopts
+ set check_ld(terminal) 1
+ }
+ warning_output
+ {
+ set check_ld(source) "file"
+ set check_ld(file) $progopts
+ }
+ }
+ }
# Compile each file in the test.
foreach src_file $src_files {
set objfile "tmpdir/$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 $objfile
+ set cmd "$CXX -c $CXXFLAGS $cflags"
} else {
- ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/$src_file $objfile
+ set cmd "$CC -c $CFLAGS $cflags"
+ }
+ if ![ld_compile $cmd $srcdir/$subdir/$src_file $objfile] {
+ set failed 1
+ break
}
}
+ if { $failed != 0 } {
+ unresolved $testname
+ continue
+ }
# Clear error and warning counts.
reset_vars
set failed 1
}
} else {
- if { ![ld_simple_link $cc_cmd $binfile "$board_cflags -L$srcdir/$subdir $ldflags $objfiles"] } {
- set failed 1
+ if { [string match "" $STATIC_LDFLAGS] \
+ && [regexp -- ".* \[-\]+static .*" " $board_cflags $ldflags $objfiles "] } {
+ untested $testname
+ continue
}
+ ld_link $cc_cmd $binfile "$board_cflags -L$srcdir/$subdir $ldflags $objfiles"
+ set ld_output "$exec_output"
- # 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 {
+ if { $check_ld(source) == "regexp" } then {
+ # Match output against regexp argument.
+ verbose -log "returned with: <$ld_output>, expected: <$check_ld(regexp)>"
+ if { ![regexp $check_ld(regexp) $ld_output] } then {
+ set failed 1
+ }
+ } elseif { $check_ld(source) == "file" } then {
+ # Match output against patterns in a file.
+ set_file_contents "tmpdir/ld.messages" "$ld_output"
+ verbose "ld.messages has '[file_contents tmpdir/ld.messages]'"
+ if { [regexp_diff "tmpdir/ld.messages" "$srcdir/$subdir/$check_ld(file)"] } then {
+ verbose "output is $ld_output" 2
set failed 1
}
}
+
+ if { $check_ld(source) != "" } then {
+ if { $ld_output == "" } then {
+ verbose -log "Linker was expected to give error or warning"
+ set failed 1
+ }
+ } else {
+ if { $ld_output != "" } then {
+ verbose -log "Unexpected linker warning or error"
+ set failed 1
+ }
+ }
}
if { $failed == 0 } {
{ set dump_prog $nm }
readelf
{ set dump_prog $READELF }
+ error {}
+ warning {}
+ error_output {}
+ warning_output {}
default
{
perror "Unrecognized action $action"
if {![info exists gc_sections_available_saved]} {
# Some targets don't support gc-sections despite whatever's
# advertised by ld's options.
- if { [istarget d30v-*-*]
+ if { [istarget alpha-*-*]
+ || [istarget d30v-*-*]
|| [istarget dlx-*-*]
- || [istarget i960-*-*]
- || [istarget pj*-*-*]
- || [istarget pru*-*-*]
- || [istarget alpha-*-*]
|| [istarget hppa*64-*-*]
- || [istarget i370-*-*]
- || [istarget i860-*-*]
|| [istarget ia64-*-*]
|| [istarget mep-*-*]
- || [istarget mn10200-*-*] } {
+ || [istarget mn10200-*-*]
+ || [istarget pj*-*-*]
+ || [istarget pru*-*-*]
+ || [istarget xgate-*-*] } {
set gc_sections_available_saved 0
return 0
}
}
# 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 aarch64*-*-elf]
- && ![istarget arc*-*-elf*]
- && ![istarget arm*-*-elf]
- && ![istarget avr-*-*]
- && ![istarget cr16-*-*]
- && ![istarget cris*-*-elf]
- && ![istarget crx-*-*]
- && ![istarget d10v-*-*]
- && ![istarget d30v-*-*]
- && ![istarget dlx-*-*]
- && ![istarget epiphany-*-*]
- && ![istarget fr30-*-*]
- && ![istarget frv-*-*]
- && ![istarget ft32-*-*]
- && ![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 mips*-*-elf]
- && ![istarget mn10200-*-*]
- && ![istarget moxie-*-*]
- && ![istarget msp430-*-*]
- && ![istarget mt-*-*]
- && ![istarget nds32*-*-*]
- && ![istarget or1k*-*-*]
- && ![istarget pj-*-*]
- && ![istarget pru-*-*]
- && ![istarget rl78-*-*]
- && ![istarget rx-*-*]
- && ![istarget spu-*-*]
- && ![istarget v850*-*-*]
- && ![istarget visium-*-*]
- && ![istarget xc16x-*-elf]
- && ![istarget xgate-*-*]
- && ![istarget xstormy16-*-*]
- && ![istarget *-*-irix*]
- && ![istarget *-*-rtems] } {
- return 1
+ global shared_available_saved
+ global ld
+
+ if {![info exists shared_available_saved]} {
+ set ld_output [remote_exec host $ld "-shared"]
+ if { [ string first "not supported" $ld_output ] >= 0 } {
+ set shared_available_saved 0
+ } else {
+ set shared_available_saved 1
+ }
}
- return 0
+ return $shared_available_saved
}
# Return true if target uses genelf.em (assuming it is ELF).
|| [istarget "fr30-*-*"]
|| ([istarget "frv-*-*"] && ![istarget "frv-*-linux*"])
|| [istarget "ft32-*-*"]
- || [istarget "i860-*-*"]
- || [istarget "i960-*-*"]
|| [istarget "iq2000-*-*"]
|| [istarget "mn10200-*-*"]
|| [istarget "moxie-*-*"]
|| [istarget "msp430-*-*"]
|| [istarget "mt-*-*"]
- || [istarget "pj*-*-*"] } {
+ || [istarget "pj*-*-*"]
+ || [istarget "xgate-*-*"] } {
return 1;
}
return 0;
}
+proc is_underscore_target { } {
+ global is_underscore_target_saved
+ global target_triplet
+ global srcdir
+
+ if { ![info exists is_underscore_target_saved] } {
+ set cmd "targ=$target_triplet . $srcdir/../../bfd/config.bfd &&"
+ append cmd { echo "$targ_underscore"}
+ verbose -log "$cmd"
+ set status [catch {exec sh -c $cmd} result]
+ if { $status == 0 && [string match "yes" $result] } {
+ set is_underscore_target_saved 1
+ } else {
+ set is_underscore_target_saved 0
+ }
+ }
+ return $is_underscore_target_saved
+}
+
# Returns true if the target ld supports the plugin API.
proc check_plugin_api_available { } {
global plugin_api_available_saved
set src [remote_download host $src]
}
set ifunc_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"]
- if { $ifunc_available_saved == 1 } {
+ if { [isnative] && $ifunc_available_saved == 1 } {
set ifunc_available_saved [run_host_cmd_yesno "$output" ""]
}
remote_file host delete $src
set src [remote_download host $src]
}
set ifunc_attribute_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"]
- if { $ifunc_attribute_available_saved == 1 } {
+ if { [isnative] && $ifunc_attribute_available_saved == 1 } {
set ifunc_attribute_available_saved [run_host_cmd_yesno "$output" ""]
}
remote_file host delete $src
if {$target == "cfi"} {
return [check_as_cfi]
}
+ if {$target == "shared"} {
+ return [check_shared_lib_support]
+ }
return [istarget_ld $target]
}
+
+# Return true if libdl is supported.
+
+proc check_libdl_available { } {
+ global libdl_available_saved
+ global CC
+
+ if {![info exists libdl_available_saved]} {
+ if { [which $CC] == 0 } {
+ set libdl_available_saved 0
+ return 0
+ }
+
+ set basename "tmpdir/dl_avail_test[pid]"
+ set src ${basename}.c
+ set output ${basename}.out
+ set f [open $src "w"]
+ # Sample test file.
+ puts $f "#include <dlfcn.h>"
+ puts $f "int main (void)"
+ puts $f "{"
+ puts $f " dlopen (\"dummy.so\", RTLD_NOW);"
+ puts $f " return 0; "
+ puts $f "}"
+ close $f
+ if [is_remote host] {
+ set src [remote_download host $src]
+ }
+ set libdl_available_saved [run_host_cmd_yesno "$CC" "$src -o $output -ldl"]
+ remote_file host delete $src
+ remote_file host delete $output
+ file delete $src
+ }
+ return $libdl_available_saved
+}
+
+# Returns true if GNU2 TLS works.
+
+proc check_gnu2_tls_available { } {
+ global gnu2_tls_available_saved
+ global CC
+ global GNU2_CFLAGS
+
+ if {![info exists gnu2_tls_available_saved]} {
+ if { [which $CC] == 0 || "$GNU2_CFLAGS" == "" } {
+ set gnu2_tls_available_saved 0
+ return 0
+ }
+ # Check if GNU2 TLS works.
+ set flags "$GNU2_CFLAGS"
+ if [board_info [target_info name] exists cflags] {
+ append flags " [board_info [target_info name] cflags]"
+ }
+ if [board_info [target_info name] exists ldflags] {
+ append flags " [board_info [target_info name] ldflags]"
+ }
+
+ set basename "tmpdir/gnu2_tls[pid]"
+ set src1 ${basename}1.c
+ set output1 ${basename}.so
+ set f [open $src1 "w"]
+ puts $f "extern __thread int zzz;"
+ puts $f "int foo (void)"
+ puts $f "{"
+ puts $f " return zzz;"
+ puts $f "}"
+ close $f
+ if [is_remote host] {
+ set src1 [remote_download host $src1]
+ }
+ set src2 ${basename}2.c
+ set output2 ${basename}.exe
+ set f [open $src2 "w"]
+ puts $f "__thread int zzz = 20;"
+ puts $f "extern int foo (void);"
+ puts $f "int main (void)"
+ puts $f "{"
+ puts $f " if (foo () != 20) __builtin_abort ();"
+ puts $f " return 0; "
+ puts $f "}"
+ close $f
+ if [is_remote host] {
+ set src2 [remote_download host $src2]
+ }
+ set gnu2_tls_available_saved [run_host_cmd_yesno "$CC" "-fPIC -shared $flags $src1 -o $output1"]
+ if { $gnu2_tls_available_saved == 1 } {
+ set gnu2_tls_available_saved [run_host_cmd_yesno "$CC" "$flags $src2 $output1 -o $output2"]
+ if { $gnu2_tls_available_saved == 1 } {
+ set gnu2_tls_available_saved [run_host_cmd_yesno "$output2" ""]
+ }
+ }
+ remote_file host delete $src1
+ remote_file host delete $output1
+ remote_file host delete $src2
+ remote_file host delete $output2
+ file delete $src1 $src2
+ }
+ return $gnu2_tls_available_saved
+}
projects / deliverable / binutils-gdb.git / blobdiff