# Support routines for LD testsuite.
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2015 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
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_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]
- 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"
}
remote_file host delete $target
-
- set exec_output [run_host_cmd "$ld" "$ldflags $flags -o $target $objects"]
+ set exec_output [run_host_cmd "$ld" "$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.
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 " $CFLAGS"
}
if [board_info [target_info name] exists cflags] {
append flags " [board_info [target_info name] multilib_flags]"
}
- verbose -log "$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"
append flags " --defsym __gccmain=0"
}
- # Windows targets need __main, prefixed with underscore.
+ # Windows targets need __main, some prefixed with underscore.
if {[istarget *-*-cygwin* ] || [istarget *-*-mingw*]} {
- append flags " --defsym ___main=0"
+ append flags " --defsym __main=0 --defsym ___main=0"
}
# PowerPC EABI code calls __eabi.
# 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
set opts(error) {}
set opts(warning) {}
set opts(objcopy_linked_file) {}
+ set opts(objcopy_objects) {}
foreach i $opt_array {
set opt_name [lindex $i 0]
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
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 $opts(error)
continue
}
- if { [regexp ".*\\.a$" $binfile] } {
+ if { $binfile eq "tmpdir/" } {
+ # compile only
+ } elseif { [regexp ".*\\.a$" $binfile] } {
if { ![ar_simple_create $ar $ld_options $binfile "$objfiles $ld_after"] } {
set failed 1
}
set link_cmd $ld
}
- if ![$link_proc $link_cmd $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
+ 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 {
- set failed 0
}
# Check if exec_output is expected.
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 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 fileroot "[file rootname [file tail $src_file]]"
set cc_cmd $CC
}
- if { [regexp ".*\\.a$" $binfile] } {
+ 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
}
} else {
- if { ![ld_simple_link $cc_cmd $binfile "-L$srcdir/$subdir $ldflags $objfiles"] } {
+ if { ![ld_simple_link $cc_cmd $binfile "$board_cflags -L$srcdir/$subdir $ldflags $objfiles"] } {
set failed 1
- } else {
- set failed 0
}
# Check if exec_output is expected.
}
}
}
-
- 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
}
&& ![istarget rx-*-*]
&& ![istarget spu-*-*]
&& ![istarget v850*-*-*]
+ && ![istarget visium-*-*]
&& ![istarget xstormy16-*-*]
&& ![istarget *-*-irix*]
&& ![istarget *-*-rtems] } {
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 } {
+ 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
- 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]"
- }
-
if {![info exists lto_available_saved]} {
- # Check if gcc supports -flto -fuse-linker-plugin
- if { [which $CC] == 0 } {
+ if { [which $CC] == 0 } {
set lto_available_saved 0
return 0
}
- set basename "lto"
- set src ${basename}[pid].c
- set output ${basename}[pid].out
+ # 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
- set status [remote_exec host $CC "$flags -B[pwd]/tmpdir/ld/ -flto -ffat-lto-objects -fuse-linker-plugin $src -o $output"]
- if { [lindex $status 0] == 0 } {
- set lto_available_saved 1
- } else {
- set lto_available_saved 0
- }
+ 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
- file delete $output
}
return $lto_available_saved
}
-# Returns true if the target compiler supports LTO and -shared
-proc check_lto_shared_available { } {
- global lto_shared_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
- set flags ""
+ 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]"
+ }
- if [board_info [target_info name] exists cflags] {
- append flags " [board_info [target_info name] cflags]"
+ 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
+}
- if [board_info [target_info name] exists ldflags] {
- append flags " [board_info [target_info name] ldflags]"
- }
+# 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]} {
- # Check if gcc supports -flto -fuse-linker-plugin -shared
- if { [which $CC] == 0 } {
+ if { [which $CC] == 0 } {
set lto_shared_available_saved 0
return 0
}
- set basename "lto_shared"
- set src ${basename}[pid].c
- set output ${basename}[pid].so
+ # 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
- set status [remote_exec host $CC "$flags -shared -fPIC -B[pwd]/tmpdir/ld/ -flto -fuse-linker-plugin $src -o $output"]
- if { [lindex $status 0] == 0 } {
- set lto_shared_available_saved 1
- } else {
- set lto_shared_available_saved 0
- }
+ 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
- file delete $output
}
return $lto_shared_available_saved
}
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