# Support routines for LD testsuite.
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-# 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
+# Copyright (C) 1994-2015 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# 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.
+#
+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 > $major]
+ }
+}
+
# Extract and print the version number of ld.
#
proc default_ld_version { ld } {
proc run_host_cmd { prog command } {
global link_output
+ global gcc_B_opt
+ global ld_L_opt
if { ![is_remote host] && [which "$prog"] == 0 } then {
perror "$prog does not exist"
return 0
}
- verbose -log "$prog $command"
- set status [remote_exec host [concat sh -c [list "$prog $command 2>&1"]] "" "/dev/null" "ld.tmp"]
+ # If we are compiling with gcc, we want to add gcc_B_opt and
+ # ld_L_opt to flags. However, if $prog already has -B options,
+ # which might be the case when running gcc out of a build
+ # directory, we want our -B options to come first.
+ set gccexe $prog
+ set gccparm [string first " " $gccexe]
+ set gccflags ""
+ if { $gccparm > 0 } then {
+ set gccflags [string range $gccexe $gccparm end]
+ set gccexe [string range $gccexe 0 $gccparm]
+ set prog $gccexe
+ }
+ set gccexe [string replace $gccexe 0 [string last "/" $gccexe] ""]
+ if {[string match "*cc*" $gccexe] || [string match "*++*" $gccexe]} then {
+ set gccflags "$gcc_B_opt $gccflags $ld_L_opt"
+ }
+
+ verbose -log "$prog $gccflags $command"
+ set status [remote_exec host [concat sh -c [list "$prog $gccflags $command 2>&1"]] "" "/dev/null" "ld.tmp"]
remote_upload host "ld.tmp"
set link_output [file_contents "ld.tmp"]
regsub "\n$" $link_output "" link_output
proc default_ld_link { ld target objects } {
global HOSTING_EMU
global HOSTING_CRT0
+ global HOSTING_SCRT0
global HOSTING_LIBS
+ global HOSTING_SLIBS
global LIBS
global host_triplet
global link_output
global exec_output
- set objs "$HOSTING_CRT0 $objects"
- set libs "$LIBS $HOSTING_LIBS"
+ 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]
#
proc default_ld_simple_link { ld target objects } {
global host_triplet
- global gcc_ld_flag
global exec_output
+ set flags ""
if [is_endian_output_format $objects] then {
set flags [big_or_little_endian]
- } else {
- set flags ""
- }
-
- # 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]
- if { $ldparm > 0 } then {
- set ldexe [string range $ld 0 $ldparm]
- }
- set ldexe [string replace $ldexe 0 [string last "/" $ldexe] ""]
- if {[string match "*gcc*" $ldexe] || [string match "*++*" $ldexe]} then {
- set flags "$gcc_ld_flag $flags"
}
remote_file host delete $target
-
set exec_output [run_host_cmd "$ld" "$flags -o $target $objects"]
set exec_output [prune_warnings $exec_output]
# 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 {
- return 0
- }
+ return [string match "" $exec_output]
}
# Compile an object using cc.
global srcdir
global subdir
global host_triplet
- global gcc_gas_flag
+ global gcc_B_opt
set cc_prog $cc
if {[llength $cc_prog] > 1} then {
remote_file build delete "$object"
remote_file host delete "$object"
- set flags "-I$srcdir/$subdir"
+ set flags "$gcc_B_opt -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 we are compiling with gcc, we want to add gcc_B_opt to flags.
+ # However, if $prog already has -B options, which might be the
+ # case when running gcc out of a build directory, we want our -B
+ # options to come first.
set ccexe $cc
set ccparm [string first " " $cc]
set ccflags ""
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"
- }
+ set ccexe [string replace $ccexe 0 [string last "/" $ccexe] ""]
if {[string match "*++*" $ccexe]} {
- set flags "$flags $CXXFLAGS"
+ append flags " $CXXFLAGS"
} else {
- set flags "$flags $CFLAGS"
+ append flags " $CFLAGS"
+ }
+
+ if [board_info [target_info name] exists cflags] {
+ append flags " [board_info [target_info name] cflags]"
}
if [board_info [target_info name] exists multilib_flags] {
append flags " [board_info [target_info name] multilib_flags]"
}
- verbose -log "$cc $flags $ccflags -c $source -o $object"
+ set cmd "$cc $flags $ccflags -c $source -o $object"
+ verbose -log "$cmd"
- set status [remote_exec host [concat sh -c [list "$cc $flags $ccflags -c $source -o $object 2>&1"]] "" "/dev/null" "ld.tmp"]
+ set status [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
remote_upload host "ld.tmp"
set exec_output [file_contents "ld.tmp"]
remote_file build delete "ld.tmp"
# Assemble a file.
#
-proc default_ld_assemble { as source object } {
+proc default_ld_assemble { as in_flags source object } {
global ASFLAGS
global host_triplet
+ global srcdir
+ global subdir
if ![info exists ASFLAGS] { set ASFLAGS "" }
- set flags [big_or_little_endian]
- set exec_output [run_host_cmd "$as" "$flags $ASFLAGS -o $object $source"]
+ set flags "[big_or_little_endian] -I$srcdir/$subdir"
+ set exec_output [run_host_cmd "$as" "$flags $in_flags $ASFLAGS -o $object $source"]
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
return 1
}
}
-# True if the object format is known to be ELF.
-#
-proc is_elf_format {} {
- if { ![istarget *-*-sysv4*] \
- && ![istarget *-*-unixware*] \
- && ![istarget *-*-elf*] \
- && ![istarget *-*-eabi*] \
- && ![istarget hppa*64*-*-hpux*] \
- && ![istarget *-*-linux*] \
- && ![istarget frv-*-uclinux*] \
- && ![istarget *-*-irix5*] \
- && ![istarget *-*-irix6*] \
- && ![istarget *-*-netbsd*] \
- && ![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
- }
+ set flags "--defsym __stack_chk_fail=0"
- if { ![istarget *-*-netbsdelf*] \
- && ([istarget *-*-netbsd*aout*] \
- || [istarget *-*-netbsdpe*] \
- || [istarget arm*-*-netbsd*] \
- || [istarget sparc-*-netbsd*] \
- || [istarget i*86-*-netbsd*] \
- || [istarget m68*-*-netbsd*] \
- || [istarget vax-*-netbsd*] \
- || [istarget ns32k-*-netbsd*]) } {
- return 0
+ # ARM targets call __gccmain
+ if {[istarget arm*-*-*]} {
+ append flags " --defsym __gccmain=0"
}
- return 1
-}
-
-# True if the object format is known to be 64-bit ELF.
-#
-proc is_elf64 { binary_file } {
- global READELF
- global READELFFLAGS
-
- set readelf_size ""
- catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got
- if ![string match "" $got] then {
- return 0
+ # Windows targets need __main, some prefixed with underscore.
+ if {[istarget *-*-cygwin* ] || [istarget *-*-mingw*]} {
+ append flags " --defsym __main=0 --defsym ___main=0"
}
- if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \
- [file_contents readelf.out] nil readelf_size] } {
- return 0
+ # PowerPC EABI code calls __eabi.
+ if {[istarget powerpc*-*-eabi*] || [istarget powerpc*-*-rtems*]} {
+ append flags " --defsym __eabi=0"
}
- if { $readelf_size == "64" } {
- return 1
+ # mn10200 code calls __truncsipsi2_d0_d2.
+ if {[istarget mn10200*-*-*]} then {
+ append flags " --defsym __truncsipsi2_d0_d2=0"
}
- return 0
-}
-
-# True if the object format is known to be a.out.
-#
-proc is_aout_format {} {
- if { [istarget *-*-*\[ab\]out*] \
- || [istarget *-*-linux*oldld*] \
- || [istarget *-*-msdos*] \
- || [istarget arm-*-netbsd] \
- || [istarget i?86-*-netbsd] \
- || [istarget i?86-*-mach*] \
- || [istarget i?86-*-vsta] \
- || [istarget pdp11-*-*] \
- || [istarget m68*-ericsson-ose] \
- || [istarget m68k-hp-bsd*] \
- || [istarget m68*-*-hpux*] \
- || [istarget m68*-*-netbsd] \
- || [istarget m68*-*-netbsd*4k*] \
- || [istarget m68k-sony-*] \
- || [istarget m68*-sun-sunos\[34\]*] \
- || [istarget m68*-wrs-vxworks*] \
- || [istarget ns32k-*-*] \
- || [istarget sparc*-*-netbsd] \
- || [istarget sparc-sun-sunos4*] \
- || [istarget vax-dec-ultrix*] \
- || [istarget vax-*-netbsd] } {
- return 1
+ # 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"
}
- return 0
-}
-# True if the object format is known to be PE COFF.
-#
-proc is_pecoff_format {} {
- if { ![istarget *-*-mingw*] \
- && ![istarget *-*-cygwin*] \
- && ![istarget *-*-pe*] } {
- return 0
+ # 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"
}
- return 1
-}
-
-# 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"
- }
+ return $flags
}
-# run_dump_test FILE
+# run_dump_test FILE (optional:) EXTRA_OPTIONS
# Copied from gas testsuite, tweaked and further extended.
#
# Assemble a .s file, then run some utility on it and check the output.
# list ends with the first line that doesn't match the above syntax
# (hmm, not great for error detection).
#
+# The optional EXTRA_OPTIONS argument to `run_dump_test' is a list of
+# two-element lists. The first element of each is an option name, and
+# the second additional arguments to be added on to the end of the
+# option list as given in FILE.d. (If omitted, no additional options
+# are added.)
+#
# The interesting options are:
#
# name: TEST-NAME
# ld_after_inputfiles: FLAGS
# Similar to "ld", but put after all input files.
#
+# objcopy_objects: FLAGS
+# Run objcopy with the specified flags after assembling any source
+# that has the special marker RUN_OBJCOPY in the source specific
+# flags.
+#
# 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
# More than one "source" directive can be given, which is useful
# when testing linking.
#
+# dump: DUMP
+# Match against DUMP.d. If omitted, this defaults to FILE.d. This
+# is useful if several .d files differ by options only. Options are
+# always read from FILE.d.
+#
# xfail: TARGET
# The test is expected to fail on 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".
+# 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 } {
+proc run_dump_test { name {extra_options {}} } {
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 $name
set opts(name) {}
set opts(PROG) {}
set opts(source) {}
+ set opts(dump) {}
set opts(error) {}
set opts(warning) {}
set opts(objcopy_linked_file) {}
- set asflags(${file}.s) {}
+ set opts(objcopy_objects) {}
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 {
if { $opt_name == "as" || $opt_name == "ld" } {
set opt_val [subst $opt_val]
}
- set opts($opt_name) [concat $opts($opt_name) $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 i $extra_options {
+ set opt_name [lindex $i 0]
+ set opt_val [lindex $i 1]
+ if ![info exists opts($opt_name)] {
+ perror "unknown option $opt_name given in extra_opts"
+ unresolved $subdir/$name
+ return
+ }
+ # Add extra option to end of existing option, adding space
+ # if necessary.
+ if { ![regexp "warning|error" $opt_name]
+ && [string length $opts($opt_name)] } {
+ append opts($opt_name) " "
+ }
+ append opts($opt_name) $opt_val
+ }
+
foreach opt { as ld } {
regsub {\[big_or_little_endian\]} $opts($opt) \
[big_or_little_endian] opts($opt)
if { $opts(source) == "" } {
set sourcefiles [list ${file}.s]
+ set asflags [list ""]
} else {
set sourcefiles {}
foreach sf $opts(source) {
} else {
lappend sourcefiles "$srcdir/$subdir/$sf"
}
- # Must have asflags indexed on source name.
- set asflags($srcdir/$subdir/$sf) $asflags($sf)
}
}
+ if { $opts(dump) == "" } {
+ set dfile ${file}.d
+ } else {
+ set dfile $srcdir/$subdir/$opts(dump)
+ }
+
+ if { [string match "*--compress-debug-sections*" $opts(as)] \
+ && ![is_zlib_supported] } {
+ unsupported $testname
+ return
+ }
+
# Time to setup xfailures.
foreach targ $opts(xfail) {
setup_xfail $targ
set objfiles {}
for { set i 0 } { $i < [llength $sourcefiles] } { incr i } {
set sourcefile [lindex $sourcefiles $i]
+ set sourceasflags [lindex $asflags $i]
+ set run_objcopy_objects 0
+
+ if { [string match "*RUN_OBJCOPY*" $sourceasflags] } {
+ set run_objcopy_objects 1
+ }
+ regsub "RUN_OBJCOPY" $sourceasflags "" sourceasflags
set objfile "tmpdir/dump$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 [remote_exec host [concat sh -c [list "$cmd 2>&1"]] "" "/dev/null" "ld.tmp"]
fail $testname
return
}
+
+ if { $run_objcopy_objects } {
+ set cmd "$OBJCOPY $opts(objcopy_objects) $objfile"
+
+ send_log "$cmd\n"
+ set cmdret [remote_exec host [concat sh -c [list "$cmd 2>&1"]] \
+ "" "/dev/null" "objcopy.tmp"]
+ remote_upload host "objcopy.tmp"
+ set comp_output [prune_warnings [file_contents "objcopy.tmp"]]
+ remote_file host delete "objcopy.tmp"
+ remote_file build delete "objcopy.tmp"
+
+ if { [lindex $cmdret 0] != 0 \
+ || ![string match "" $comp_output] } {
+ send_log "$comp_output\n"
+ verbose "$comp_output" 3
+
+ set exitstat "succeeded"
+ if { $cmdret != 0 } { set exitstat "failed" }
+ verbose -log "$exitstat with: <$comp_output>"
+ fail $testname
+ return
+ }
+ }
}
set expmsg $opts(error)
send_log "$comp_output\n"
verbose "$comp_output" 3
- if { [regexp $expmsg $comp_output] \
- && (($cmdret == 0) == ($opts(warning) != "")) } {
+ if { ($expmsg == "") == ($comp_output == "") \
+ && [regexp $expmsg $comp_output] \
+ && (($cmdret == 0) == ($opts(error) == "")) } {
# We have the expected output from ld.
if { $opts(error) != "" || $program == "" } {
pass $testname
set env(LC_ALL) "C"
send_log "$cmd\n"
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"
} else {
unset env(LC_ALL)
}
- 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 { [regexp_diff $dumpfile "${file}.d"] } then {
+ if { $verbose > 2 } then { verbose "output is [file_contents $dumpfile]" 3 }
+ if { [regexp_diff $dumpfile "${dfile}"] } 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] == $eof } {
- set end_2 1
- set diff_pass 1
- break
- }
- verbose "looking for \"^$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
}
+proc set_file_contents { filename contents } {
+ set file [open $filename w]
+ puts $file "$contents"
+ close $file
+}
+
# Create an archive using ar
#
-proc ar_simple_create { ar target objects } {
+proc ar_simple_create { ar aropts target objects } {
remote_file host delete $target
- set exec_output [run_host_cmd "$ar" "rc $target $objects"]
+ set exec_output [run_host_cmd "$ar" "$aropts -rc $target $objects"]
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
# List contains test-items with 3 items followed by 2 lists, one item and
# one optional item:
-# 0:name 1:ld options 2:assembler options
-# 3:filenames of assembler files 4: action and options. 5: name of output file
-# 6:compiler flags (optional)
+# 0:name
+# 1:ld/ar leading options, placed before object files
+# 2:ld/ar trailing options, placed after object files
+# 3:assembler options
+# 4:filenames of assembler files
+# 5:list of actions, options and expected outputs.
+# 6:name of output file
+# 7:compiler flags (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).
+# 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 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 src_files [lindex $testitem 3]
- set actions [lindex $testitem 4]
- set binfile tmpdir/[lindex $testitem 5]
- set cflags [lindex $testitem 6]
+ set ld_after [lindex $testitem 2]
+ set as_options [lindex $testitem 3]
+ set src_files [lindex $testitem 4]
+ set actions [lindex $testitem 5]
+ set binfile tmpdir/[lindex $testitem 6]
+ set cflags [lindex $testitem 7]
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 "ld_after is $ld_after"
# verbose -log "as_options is $as_options"
# verbose -log "src_files is $src_files"
# verbose -log "actions is $actions"
# Assemble each file in the test.
foreach src_file $src_files {
- set objfile "tmpdir/[file rootname $src_file].o"
+ set fileroot "[file rootname [file tail $src_file]]"
+ set objfile "tmpdir/$fileroot.o"
lappend objfiles $objfile
if { [file extension $src_file] == ".c" } {
- set as_file "tmpdir/[file rootname $src_file].s"
+ set as_file "tmpdir/$fileroot.s"
if ![ld_compile "$CC -S $CFLAGS $cflags" $srcdir/$subdir/$src_file $as_file] {
set is_unresolved 1
break
}
# Catch assembler errors.
- if { $is_unresolved != 0 } {
+ if { $is_unresolved } {
unresolved $testname
continue
}
- if [regexp ".*a$" $binfile] then {
- if ![ar_simple_create $ar $binfile "$objfiles"] {
- fail $testname
+ if { $binfile eq "tmpdir/" } {
+ # compile only
+ } elseif { [regexp ".*\\.a$" $binfile] } {
+ if { ![ar_simple_create $ar $ld_options $binfile "$objfiles $ld_after"] } {
set failed 1
- } else {
- set failed 0
}
- } elseif ![ld_simple_link $ld $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
- fail $testname
- set failed 1
- } else {
- set failed 0
+ } elseif { ![ld_simple_link $ld $binfile "-L$srcdir/$subdir $ld_options $objfiles $ld_after"] } {
+ set maybe_failed 1
+ set ld_output "$exec_output"
}
- if { $failed == 0 } {
+ if { !$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 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 {
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.
# 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 objfile "tmpdir/[file rootname $src_file].o"
+ set fileroot "[file rootname [file tail $src_file]]"
+ set objfile "tmpdir/$fileroot.o"
lappend objfiles $objfile
# We ignore warnings since some compilers may generate
} else {
ld_compile "$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
+ }
- # 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
+ if { $binfile eq "tmpdir/" } {
+ # compile only
+ pass $testname
+ continue;
+ } elseif ![$link_proc $link_cmd $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
+ set failed 1
+ }
+
+ # 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 link_proc ld_link
- set link_cmd $ld
+ set failed 1
}
+ }
+
+ if { $failed == 0 } {
+ send_log "Running: $binfile > $binfile.out\n"
+ verbose "Running: $binfile > $binfile.out"
+ catch "exec $binfile > $binfile.out" exec_output
- if ![$link_proc $link_cmd $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
+ if ![string match "" $exec_output] then {
+ send_log "$exec_output\n"
+ verbose "$exec_output" 1
set failed 1
} else {
- set failed 0
- }
+ 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]
- # 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
- }
+ 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:link options
+# 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).
global CFLAGS
global CXXFLAGS
global ar
+ global exec_output
+ global board_cflags
+
+ if [board_info [target_info name] exists cflags] {
+ set board_cflags " [board_info [target_info name] cflags]"
+ } else {
+ set board_cflags ""
+ }
foreach testitem $ldtests {
set testname [lindex $testitem 0]
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
+ #verbose -log "testname is $testname"
+ #verbose -log "ldflags is $ldflags"
+ #verbose -log "cflags is $cflags"
+ #verbose -log "src_files is $src_files"
+ #verbose -log "actions is $actions"
+ #verbose -log "binfile is $binfile"
+ #verbose -log "lang is $lang"
+ #verbose -log "warnings is $warnings"
+
# Compile each file in the test.
foreach src_file $src_files {
- set objfile "tmpdir/[file rootname $src_file].o"
+ set fileroot "[file rootname [file tail $src_file]]"
+ set objfile "tmpdir/$fileroot.o"
lappend objfiles $objfile
# We ignore warnings since some compilers may generate
set cc_cmd $CC
}
- if [regexp ".*a$" $binfile] then {
- if ![ar_simple_create $ar $binfile "$objfiles"] {
+ if { $binfile eq "tmpdir/" } {
+ # compile only
+ } elseif { [regexp ".*\\.a$" $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"] {
- fail $testname
- set failed 1
} else {
- set failed 0
+ if { ![ld_simple_link $cc_cmd $binfile "$board_cflags -L$srcdir/$subdir $ldflags $objfiles"] } {
+ set failed 1
+ }
+
+ # 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
+ }
+ }
+
+ if { $failed == 1 } {
+ fail $testname
+ }
}
if { $failed == 0 } {
}
}
}
-
- if { $failed != 0 } {
- fail $testname
- } else { if { $is_unresolved == 0 } {
- pass $testname
- } }
}
- # Catch action errors.
- if { $is_unresolved != 0 } {
+ if { $failed != 0 } {
+ fail $testname
+ } elseif { $is_unresolved == 0 } {
+ pass $testname
+ } else {
unresolved $testname
continue
}
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 alpha*-*-*]
- || [istarget mep-*-*]
- || [istarget ia64-*-*] } {
+ if { [istarget arc-*-*]
+ || [istarget d30v-*-*]
+ || [istarget dlx-*-*]
+ || [istarget i960-*-*]
+ || [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
}
}
# 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
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 aarch64*-*-elf]
+ && ![istarget arc-*-*]
+ && ![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 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 rl78-*-*]
+ && ![istarget rx-*-*]
+ && ![istarget spu-*-*]
+ && ![istarget v850*-*-*]
+ && ![istarget visium-*-*]
+ && ![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 PLUGIN" $ld_output ] >= 0 } {
+ set plugin_api_available_saved 1
+ } else {
+ set plugin_api_available_saved 0
+ }
+ }
+ return $plugin_api_available_saved
+}
+
+# Sets ld_sysroot to the current sysroot (empty if not supported) and
+# returns true if the target ld supports sysroot.
+proc check_sysroot_available { } {
+ global ld_sysroot_available_saved ld ld_sysroot
+ if {![info exists ld_sysroot_available_saved]} {
+ # Check if ld supports --sysroot *other* than empty.
+ set ld_sysroot [string trimright [lindex [remote_exec host $ld "--print-sysroot"] 1]]
+ if { $ld_sysroot == "" } {
+ set ld_sysroot_available_saved 0
+ } else {
+ set ld_sysroot_available_saved 1
+ }
+ }
+ return $ld_sysroot_available_saved
+}
+
+# Returns true if the target compiler supports LTO
+proc check_lto_available { } {
+ global lto_available_saved
+ global CC
+
+ if {![info exists lto_available_saved]} {
+ if { [which $CC] == 0 } {
+ set lto_available_saved 0
+ return 0
+ }
+ # Check if gcc supports -flto -fuse-linker-plugin
+ set flags ""
+ 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/lto[pid]"
+ set src ${basename}.c
+ set output ${basename}.out
+ set f [open $src "w"]
+ puts $f "int main() { return 0; }"
+ close $f
+ remote_download host $src
+ set lto_available_saved [run_host_cmd_yesno "$CC" "$flags -flto -fuse-linker-plugin $src -o $output"]
+ remote_file host delete $src
+ remote_file host delete $output
+ file delete $src
+ }
+ return $lto_available_saved
+}
+
+# Returns true if the target compiler supports LTO -ffat-lto-objects
+proc check_lto_fat_available { } {
+ global lto_fat_available_saved
+ global CC
+
+ if {![info exists lto_fat_available_saved]} {
+ if { [which $CC] == 0 } {
+ set lto_fat_available_saved 0
+ return 0
+ }
+ # Check if gcc supports -flto -fuse-linker-plugin
+ set flags ""
+ 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/lto[pid]"
+ set src ${basename}.c
+ set output ${basename}.out
+ set f [open $src "w"]
+ puts $f "int main() { return 0; }"
+ close $f
+ remote_download host $src
+ set lto_fat_available_saved [run_host_cmd_yesno "$CC" "$flags -flto -ffat-lto-objects -fuse-linker-plugin $src -o $output"]
+ remote_file host delete $src
+ remote_file host delete $output
+ file delete $src
+ }
+ return $lto_fat_available_saved
+}
+
+# Returns true if the target compiler supports LTO and -shared
+proc check_lto_shared_available { } {
+ global lto_shared_available_saved
+ global CC
+
+ if {![info exists lto_shared_available_saved]} {
+ if { [which $CC] == 0 } {
+ set lto_shared_available_saved 0
+ return 0
+ }
+ # Check if gcc supports -flto -fuse-linker-plugin -shared
+ set flags ""
+ 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/lto_shared[pid]"
+ set src ${basename}.c
+ set output ${basename}.so
+ set f [open $src "w"]
+ puts $f ""
+ close $f
+ remote_download host $src
+ set lto_shared_available_saved [run_host_cmd_yesno "$CC" "$flags -shared -fPIC -flto -fuse-linker-plugin $src -o $output"]
+ remote_file host delete $src
+ remote_file host delete $output
+ file delete $src
+ }
+ return $lto_shared_available_saved
+}
+
# Check if the assembler supports CFI statements.
proc check_as_cfi { } {
return $success
}
+# Returns true if IFUNC works.
+
+proc check_ifunc_available { } {
+ global ifunc_available_saved
+ global CC
+
+ if {![info exists ifunc_available_saved]} {
+ if { [which $CC] == 0 } {
+ set ifunc_available_saved 0
+ return 0
+ }
+ # Check if gcc supports -flto -fuse-linker-plugin
+ set flags ""
+ 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/ifunc[pid]"
+ set src ${basename}.c
+ set output ${basename}.out
+ set f [open $src "w"]
+ puts $f "extern int library_func2 (void);"
+ puts $f "int main (void)"
+ puts $f "{"
+ puts $f " if (library_func2 () != 2) __builtin_abort ();"
+ puts $f " return 0; "
+ puts $f "}"
+ puts $f "static int library_func1 (void) {return 2; }"
+ puts $f "void *foo (void) __asm__ (\"library_func2\");"
+ puts $f "void *foo (void) { return library_func1; }"
+ puts $f "__asm__(\".type library_func2, %gnu_indirect_function\");"
+ close $f
+ remote_download host $src
+ set ifunc_available_saved [run_host_cmd_yesno "$CC" "$flags $src -o $output"]
+ if { $ifunc_available_saved == 1 } {
+ set ifunc_available_saved [run_host_cmd_yesno "$output" ""]
+ }
+ remote_file host delete $src
+ remote_file host delete $output
+ file delete $src
+ }
+ return $ifunc_available_saved
+}
+
# Provide virtual target "cfi" for targets supporting CFI.
rename "istarget" "istarget_ld"
projects / deliverable / binutils-gdb.git / blobdiff