# Basic expect script for LD Regression Tests
-# Copyright 1993, 1994, 1995, 1997, 1998, 1999, 2001, 2003, 2005, 2007, 2009
-# Free Software Foundation, Inc.
+# Copyright (C) 1993-2021 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
set strip [findfile $base_dir/../binutils/strip-new $base_dir/../binutils/strip-new [transform strip]]
}
-remote_exec host "mkdir -p tmpdir"
-
-# Make a symlink from tmpdir/as to the assembler in the build tree, so
-# that we can use a -B option to gcc to force it to use the newly
-# built assembler.
-if {![file isdirectory tmpdir/gas]} then {
- catch "exec mkdir tmpdir/gas" status
- catch "exec ln -s ../../../gas/as-new tmpdir/gas/as" status
+if ![info exists size] then {
+ set size [findfile $base_dir/../binutils/size]
}
-set gcc_gas_flag "-B[pwd]/tmpdir/gas/"
-# Make a symlink from tmpdir/ld to the linker in the build tree, so
-# that we can use a -B option to gcc to force it to use the newly
-# built linker.
+remote_exec host "mkdir -p tmpdir"
+
+# Make symlinks from tmpdir/ld to the linker and assembler in the
+# build tree, so that we can use a -B option to gcc to force it to use
+# the newly built linker and assembler.
if {![file isdirectory tmpdir/ld]} then {
catch "exec mkdir tmpdir/ld" status
catch "exec ln -s ../../ld-new tmpdir/ld/ld" status
+ catch "exec ln -s ld tmpdir/ld/collect-ld" status
+ catch "exec ln -s ../../../gas/as-new tmpdir/ld/as" status
}
-set gcc_ld_flag "-B[pwd]/tmpdir/ld/"
+set gcc_B_opt "-B[pwd]/tmpdir/ld/"
# load the linker path
+set ld_L_opt ""
if {[file exists tmpdir/libpath.exp]} {
load_lib tmpdir/libpath.exp
foreach dir $libpath {
- set gcc_ld_flag "$gcc_ld_flag -L$dir"
+ append ld_L_opt " -L$dir"
}
}
set CXXFLAGS ""
}
+# This allows us to run the linker testsuite with clang as the compilation
+# driver instead of gcc. The syntax of the overrides are as follows, one
+# per line:
+#
+# '#': Silence information about the changes to the command line arguments.
+#
+# '^': Add FOO as a new argument at the beginning of the command line.
+#
+# '+': Add FOO as a new argument at the end of the command line.
+#
+# 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command
+# line.
+#
+# 'xOPTION': Removes all instances of the literal argument OPTION.
+#
+# 'XOPTION': Removes all instances of the literal argument OPTION,
+# and the following argument.
+#
+# 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox'
+# at the end of the command line.
+#
+# \param OS - The stream to write edit information to.
+# \param Args - The vector of command line arguments.
+# \param Edit - The override command to perform.
+# \param SavedStrings - Set to use for storing string representations.
+
+# Only set up the environment variable if the user has not already provided one.
+if {! [info exists env(CCC_OVERRIDE_OPTIONS)]} {
+ set env(CCC_OVERRIDE_OPTIONS) "#\
+ +-Wno-unused-command-line-argument \
+ +-Wno-unknown-attributes \
+ +-Wno-tautological-compare \
+ +-Wno-ignored-optimization-argument \
+ +-Wno-deprecated \
+ +-fuse-ld=$ld \
+ x-Wa,--elf-stt-common=yes \
+ x-Wa,-mx86-used-note=no \
+ x-Wa,-mx86-used-note=yes \
+ x-Wa,-madd-bnd-prefix \
+ x-fno-early-inlining \
+ x-fno-toplevel-reorder \
+ x-flto-partition=none \
+ x-feliminate-dwarf2-dups \
+ s/-Wa,-mrelax-relocations=yes,-mx86-used-note=yes/-Wa,-mrelax-relocations=yes/ \
+ s/-Wa,--compress-debug-sections=zlib/-Wa,-compress-debug-sections=zlib/ \
+ s/-Wa,--compress-debug-sections=zlib-gabi/-Wa,-compress-debug-sections=zlib-gabi/ \
+"
+}
+
# The mips64-*-linux-gnu compiler defaults to the N32 ABI after
# installed, but to the O32 ABI in the build tree, because of some
# specs-file hacks. Make sure we use an ABI that is compatible with
(![board_info [target_info name] exists multilib_flags] ||
![string match "*-mabi" [board_info [target_info name] multilib_flags]])
} {
- append gcc_gas_flag " -mabi=n32"
+ append gcc_B_opt " -mabi=n32"
+}
+
+if { [istarget rx-*-*] } {
+ global ASFLAGS
+ set ASFLAGS "-muse-conventional-section-names"
}
# load the utility procedures
load_lib ld-lib.exp
-proc get_link_files {varname} {
- global $varname
- global target_triplet
- global srcdir
- global CC
- if ![info exists $varname] {
- #configure.host returns variables that can be substituted into
- #makefile rules, with embedded shell variable expansions.
- #make wants $$shell_var, we want $shell_var ...
- set cmd "host='$target_triplet' && . $srcdir/../configure.host && sed -e 's,\\\$\\\$,\$,g' <<EOF\n\$$varname\nEOF"
- set status [catch "exec sh -c [list $cmd]" result]
- if $status { error "Error getting native link files: $result" }
- set cmd "CC='$CC' && eval echo \"$result\""
- set status [catch "exec sh -c [list $cmd]" result]
- if $status { error "Error getting native link files: $result" }
- set $varname $result
- send_log "$varname = $result\n"
- }
-}
-
proc get_target_emul {} {
global target_triplet
global srcdir
return $result
}
-if [isnative] {
- foreach x {HOSTING_CRT0 HOSTING_LIBS} {
- get_link_files $x
- }
-} else {
- foreach x {HOSTING_CRT0 HOSTING_LIBS} { set $x "" }
-}
if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" }
#
default_ld_link $ld $target $objects
}
-#
-# ld_simple_link
-# link a program using ld, without including any libraries
-#
-proc ld_simple_link { ld target objects } {
- default_ld_simple_link $ld $target $objects
-}
-
#
# ld_compile
# compile an object using $cc
set AS $as
}
-if ![info exists GASP] then {
- set GASP [findfile $base_dir/../gas/gasp-new $base_dir/../gas/gasp-new [transform gasp]]
-}
-
if ![info exists ASFLAGS] then {
set ASFLAGS ""
}
set READELFFLAGS {}
}
+if ![info exists ELFEDIT] then {
+ set ELFEDIT [findfile $base_dir/../binutils/elfedit]
+}
+
if ![info exists LD] then {
set LD [findfile $base_dir/ld-new ./ld-new [transform ld]]
}
if ![info exists LDFLAGS] then {
set LDFLAGS {}
}
+
+# Set LD_CLASS to "64bit" for a 64-bit *host* linker.
+if { ![info exists LD_CLASS] } then {
+ set REAL_LD [findfile $base_dir/.libs/ld-new .libs/ld-new $LD [transform ld]]
+ set readelf_output [run_host_cmd "$READELF" "-h $REAL_LD"]
+ if { [regexp {[ \t]+Class:[ \t]+ELF64} $readelf_output] } then {
+ set LD_CLASS "64bit"
+ } else {
+ set LD_CLASS "32bit"
+ }
+}
+
+# Compiler tests
+proc compiler_supports { flag args } {
+ if { [check_compiler_available] } {
+ 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]"
+ }
+ set fn "cs[pid].c"
+ set f [open $fn "w"]
+ if { [llength $args] > 0 } {
+ puts $f [lindex $args 0]
+ } else {
+ puts $f "int main (void) { return 0; }"
+ }
+ close $f
+ set rfn [remote_download host $fn]
+ set avail [run_host_cmd_yesno "$CC" "$flags $flag $rfn -o /dev/null"]
+ remote_file host delete $rfn
+ file delete $fn
+ return $avail
+ }
+ return 0
+}
+
+if { ![info exists PLT_CFLAGS] } then {
+ set PLT_CFLAGS ""
+ if [compiler_supports "-c -fplt"] {
+ set PLT_CFLAGS "-fplt"
+ }
+}
+
+if { ![info exists NOPIE_CFLAGS] || ![info exists NOPIE_LDFLAGS] } then {
+ set NOPIE_CFLAGS ""
+ set NOPIE_LDFLAGS ""
+ if [compiler_supports "-fno-PIE -no-pie"] {
+ set NOPIE_CFLAGS "-fno-PIE"
+ set NOPIE_LDFLAGS "-no-pie"
+ }
+}
+
+if { ![info exists NOCF_PROTECTION_CFLAGS] } then {
+ set NOCF_PROTECTION_CFLAGS ""
+ if [compiler_supports "-fcf-protection=none"] {
+ set NOCF_PROTECTION_CFLAGS "-fcf-protection=none"
+ }
+}
+
+if { ![info exists GNU2_CFLAGS] } then {
+ set GNU2_CFLAGS ""
+ if [compiler_supports "-c -mtls-dialect=gnu2" "__thread int y = 1;"] {
+ set GNU2_CFLAGS "-mtls-dialect=gnu2"
+ }
+}
+
+if { ![info exists INT128_CFLAGS] } then {
+ set INT128_CFLAGS ""
+ if [compiler_supports "-c" "__int128 a = 42;"] {
+ set INT128_CFLAGS "-DHAS_INT128"
+ }
+}
+
+if { ![info exists STATIC_LDFLAGS] } then {
+ set STATIC_LDFLAGS ""
+ if [compiler_supports "-static"] {
+ set STATIC_LDFLAGS "-static"
+ }
+}
+
+if { ![info exists STATIC_PIE_LDFLAGS] } then {
+ set STATIC_PIE_LDFLAGS ""
+ if [compiler_supports "-static-pie"] {
+ set STATIC_PIE_LDFLAGS "-static-pie"
+ }
+}
+
+if { ![info exists NOSANITIZE_CFLAGS] } then {
+ set NOSANITIZE_CFLAGS ""
+ if [compiler_supports "-fno-sanitize=all"] {
+ set NOSANITIZE_CFLAGS "-fno-sanitize=all"
+ }
+}
+
+if { ![info exists NOLTO_CFLAGS] } then {
+ set NOLTO_CFLAGS ""
+ if [compiler_supports "-fno-lto"] {
+ set NOLTO_CFLAGS "-fno-lto"
+ }
+}
+
+# Provide dummy libraries that alpha-vms-ld always loads
+if { [istarget alpha*-*-*vms*] } {
+ set src tmpdir/empty.s
+ set f [open $src "w"]
+ close $f
+ if { [ld_assemble $as $src tmpdir/empty.o]
+ && ![ld_link $LD tmpdir/empty tmpdir/empty.o]
+ && [regsub -all {[^\n]*: cannot find -l([^\n]*)} $exec_output {tmpdir/lib\1.a } missing_libs] } {
+ regsub -all {\$} $missing_libs {\\\$} missing_libs
+ for { set i 0 } { $i < [llength $missing_libs] } { incr i } {
+ set f [lindex $missing_libs $i]
+ verbose -log "creating dummy $f"
+ ar_simple_create $ar {} $f tmpdir/empty.o
+ }
+ append LDFLAGS " -Ltmpdir"
+ unset i missing_libs
+ }
+ unset f src
+}
+
+set plug_opt ""
+if { [check_compiler_available] } {
+ set plugin_names {
+ liblto_plugin.so
+ liblto_plugin-0.dll
+ cyglto_plugin-0.dll
+ }
+ foreach plug $plugin_names {
+ set plug_so [run_host_cmd $CC "--print-prog-name $plug"]
+ if { $plug_so eq $plug } then {
+ set plug_so [run_host_cmd $CC "--print-file-name $plug"]
+ }
+ if { $plug_so ne $plug } then {
+ set plug_opt "--plugin $plug_so"
+ break
+ }
+ }
+}
+
+if {[file exists .libs/libdep.so]} {
+ set dep_plug_opt "--plugin .libs/libdep.so"
+} elseif {[file exists .libs/libdep.dll]} {
+ set dep_plug_opt "--plugin .libs/libdep.dll"
+} else {
+ set dep_plug_opt ""
+}