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"
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 } {
- set lto_available_saved 0
- return 0
+ 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 "lto"
- set src ${basename}[pid].c
- set output ${basename}[pid].out
+
+ 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 -ffat-lto-objects -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
}
global lto_shared_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_shared_available_saved]} {
# Check if gcc supports -flto -fuse-linker-plugin -shared
- if { [which $CC] == 0 } {
- set lto_shared_available_saved 0
- return 0
+ 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 "lto_shared"
- set src ${basename}[pid].c
- set output ${basename}[pid].so
+
+ 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
}
projects / deliverable / binutils-gdb.git / blobdiff