[thirdparty/binutils-gdb.git] / ld / testsuite / config / default.exp

# Basic expect script for LD Regression Tests
#   Copyright (C) 1993-2020 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
#
# Written by Jeffrey Wheat (cassidy@cygnus.com)
#

if ![info exists ld] then {
    set ld [findfile $base_dir/ld-new $base_dir/ld-new [transform ld]]
}

if ![info exists as] then {
    set as [findfile $base_dir/../gas/as-new $base_dir/../gas/as-new [transform as]]
}

if ![info exists nm] then {
    set nm [findfile $base_dir/../binutils/nm-new $base_dir/../binutils/nm-new [transform nm]]
}

if ![info exists objdump] then {
    set objdump [findfile $base_dir/../binutils/objdump]
}

if ![info exists objcopy] then {
    set objcopy [findfile $base_dir/../binutils/objcopy]
}

if ![info exists ar] then {
    set ar [findfile $base_dir/../binutils/ar]
}

if ![info exists strip] then {
    set strip [findfile $base_dir/../binutils/strip-new $base_dir/../binutils/strip-new [transform strip]]
}

if ![info exists size] then {
    set size [findfile $base_dir/../binutils/size]
}

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_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 $libpath {
	append ld_L_opt " -L$dir"
    }
}

# The "make check" target in the Makefile passes in
# "CC=$(CC_FOR_TARGET)".  But, if the user invokes runtest directly
# (as when testing an installed linker), these flags may not be set.  
if {![info exists CC]} {
    set CC [find_gcc]
}
if {![info exists CFLAGS]} {
    set CFLAGS "-g -O2"
}
if {![info exists CXX]} {
    set CXX [find_g++]
}
if {![info exists CXXFLAGS]} {
    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
# the one we expect.
if {[istarget mips64*-*-linux*] &&
    (![board_info [target_info name] exists multilib_flags] ||
     ![string match "*-mabi" [board_info [target_info name] multilib_flags]])
   } {
    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_target_emul {} {
    global target_triplet
    global srcdir
    set status [catch "exec sh -c \"targ='$target_triplet' && . $srcdir/../configure.tgt && echo \\\$targ_emul\"" result]
    if $status { error "Error getting emulation name: $result" }
    return $result
}

if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" }

#
# ld_version -- extract and print the version number of ld compiler (GCC)
#
proc ld_version {} {
    global ld
    default_ld_version $ld
}

#
# ld_exit -- just a stub for ld
#
proc ld_exit {} {
}

#
# ld_start 
#	relink the linker
#
proc ld_start { ld target } {
	#
}

#
# ld_relocate 
#	link an object using relocation
#
proc ld_relocate { ld target objects } {
	default_ld_relocate $ld $target $objects
}

#
# ld_link 
#	link a program using ld
#
proc ld_link { ld target objects } {
	default_ld_link $ld $target $objects
}

#
# ld_compile 
#	compile an object using $cc
#
proc ld_compile { cc source object } {
	default_ld_compile $cc $source $object 
}

#
# ld_assemble
#	assemble a file
#
proc ld_assemble { as source object } {
	default_ld_assemble $as "" $source $object 
}

#
# ld_assemble_flags
#	assemble a file with extra flags
#
proc ld_assemble_flags { as flags source object } {
	default_ld_assemble $as $flags $source $object 
}

#
# ld_nm
#	run nm on a file
#
proc ld_nm { nm nmflags object } {
	default_ld_nm $nm $nmflags $object
}

#
# ld_exec
#	execute ithe target
#
proc ld_exec { target output } {
	default_ld_exec $target $output
}

# From gas-defs.exp, to support run_dump_test.
if ![info exists AS] then {
    set AS $as
}

if ![info exists ASFLAGS] then {
    set ASFLAGS ""
}

if ![info exists OBJDUMP] then {
    set OBJDUMP $objdump
}

if ![info exists OBJDUMPFLAGS] then {
    set OBJDUMPFLAGS {}
}

if ![info exists NM] then {
    set NM $nm
}

if ![info exists NMFLAGS] then {
    set NMFLAGS {}
}

if ![info exists OBJCOPY] then {
    set OBJCOPY $objcopy
}

if ![info exists OBJCOPYFLAGS] then {
    set OBJCOPYFLAGS {}
}

if ![info exists READELF] then {
    set READELF [findfile $base_dir/../binutils/readelf]
}

if ![info exists READELFFLAGS] then {
    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"
    }
}

# Set PLT_CFLAGS to "-fplt" if target compiler supports it.

if { ![info exists PLT_CFLAGS] } then {
    if { [check_compiler_available] } {
	# Check if gcc supports -fplt
	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/plt[pid]"
	set src ${basename}.c
	set output ${basename}.o
	set f [open $src "w"]
	puts $f ""
	close $f
	if [is_remote host] {
	    set src [remote_download host $src]
	}
	set plt_available [run_host_cmd_yesno "$CC" "$flags -c -fplt $src -o $output"]
	remote_file host delete $src
	remote_file host delete $output
	file delete $src

	if { $plt_available == 1 } then {
	    set PLT_CFLAGS "-fplt"
	} else {
	    set PLT_CFLAGS ""
	}
    } else {
	set PLT_CFLAGS ""
    }
}

# Set NOPIE_CFLAGS to "-fno-PIE" and NOPIE_LDFLAGS to "-no-pie" if
# target compiler supports them.

if { ![info exists NOPIE_CFLAGS] || ![info exists NOPIE_LDFLAGS] } then {
    if { [check_compiler_available] } {
	# Check if gcc supports -fno-PIE -no-pie.
	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/nopie[pid]"
	set src ${basename}.c
	set output ${basename}
	set f [open $src "w"]
	puts $f "int main (void) { return 0; }"
	close $f
	if [is_remote host] {
	    set src [remote_download host $src]
	}
	set nopie_available [run_host_cmd_yesno "$CC" "$flags -fno-PIE -no-pie $src -o $output"]
	remote_file host delete $src
	remote_file host delete $output
	file delete $src

	if { $nopie_available == 1 } then {
	    set NOPIE_CFLAGS "-fno-PIE"
	    set NOPIE_LDFLAGS "-no-pie"
	} else {
	    set NOPIE_CFLAGS ""
	    set NOPIE_LDFLAGS ""
	}
    } else {
	set NOPIE_CFLAGS ""
	set NOPIE_LDFLAGS ""
    }
}

# Set NOCF_PROTECTION_CFLAGS to "-fcf-protection=none" if target compiler
# supports it.

if { ![info exists NOCF_PROTECTION_CFLAGS] } then {
    if { [check_compiler_available] } {
	# Check if gcc supports -fcf-protection=none.
	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/available[pid]"
	set src ${basename}.c
	set output ${basename}
	set f [open $src "w"]
	puts $f "int main (void) { return 0; }"
	close $f
	if [is_remote host] {
	    set src [remote_download host $src]
	}
	set available [run_host_cmd_yesno "$CC" "$flags -fcf-protection=none $src -o $output"]
	remote_file host delete $src
	remote_file host delete $output
	file delete $src

	if { $available == 1 } then {
	    set NOCF_PROTECTION_CFLAGS "-fcf-protection=none"
	} else {
	    set NOCF_PROTECTION_CFLAGS ""
	}
    } else {
	set NOCF_PROTECTION_CFLAGS ""
    }
}

# Set GNU2_CFLAGS to "-mtls-dialect=gnu2" if target compiler supports it.

if { ![info exists GNU2_CFLAGS] } then {
    if { [check_compiler_available] } {
	# Check if gcc supports -mtls-dialect=gnu2
	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/gnu2[pid]"
	set src ${basename}.c
	set output ${basename}.o
	set f [open $src "w"]
	puts $f "__thread int yyy = 100;"
	close $f
	if [is_remote host] {
	    set src [remote_download host $src]
	}
	set gnu2_available [run_host_cmd_yesno "$CC" "$flags -c -mtls-dialect=gnu2 $src -o $output"]
	remote_file host delete $src
	remote_file host delete $output
	file delete $src

	if { $gnu2_available == 1 } then {
	    set GNU2_CFLAGS "-mtls-dialect=gnu2"
	} else {
	    set GNU2_CFLAGS ""
	}
    } else {
	set GNU2_CFLAGS ""
    }
}

# Set INT128_CFLAGS to "-DHAS_INT128" if target compiler supports __int128.

if { ![info exists INT128_CFLAGS] } then {
    if { [check_compiler_available] } {
	# Check if gcc supports __int128.
	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/int128[pid]"
	set src ${basename}.c
	set output ${basename}.o
	set f [open $src "w"]
	puts $f "__int128 a = 42;"
	close $f
	if [is_remote host] {
	    set src [remote_download host $src]
	}
	set int128_available [run_host_cmd_yesno "$CC" "$flags -c $src -o $output"]
	remote_file host delete $src
	remote_file host delete $output
	file delete $src

	if { $int128_available == 1 } then {
	    set INT128_CFLAGS "-DHAS_INT128"
	} else {
	    set INT128_CFLAGS ""
	}
    } else {
	set INT128_CFLAGS ""
    }
}

# Set STATIC_LDFLAGS to "-static" if target compiler supports it.

if { ![info exists STATIC_LDFLAGS] } then {
    if { [check_compiler_available] } {
	# Check if gcc supports -static.
	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/static[pid]"
	set src ${basename}.c
	set output ${basename}
	set f [open $src "w"]
	puts $f "int main (void) { return 0; }"
	close $f
	if [is_remote host] {
	    set src [remote_download host $src]
	}
	set static_available [run_host_cmd_yesno "$CC" "-static $flags $src -o $output"]
	remote_file host delete $src
	remote_file host delete $output
	file delete $src

	if { $static_available == 1 } then {
	    set STATIC_LDFLAGS "-static"
	} else {
	    set STATIC_LDFLAGS ""
	}
    } else {
	set STATIC_LDFLAGS ""
    }
}

# Set STATIC_PIE_LDFLAGS to "-static-pie" if target compiler supports it.

if { ![info exists STATIC_PIE_LDFLAGS] } then {
    if { [check_compiler_available] } {
	# Check if gcc supports -static-pie.
	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/static[pid]"
	set src ${basename}.c
	set output ${basename}
	set f [open $src "w"]
	puts $f "int main (void) { return 0; }"
	close $f
	if [is_remote host] {
	    set src [remote_download host $src]
	}
	set static_available [run_host_cmd_yesno "$CC" "-static-pie $flags $src -o $output"]
	remote_file host delete $src
	remote_file host delete $output
	file delete $src

	if { $static_available == 1 } then {
	    set STATIC_PIE_LDFLAGS "-static-pie"
	} else {
	    set STATIC_PIE_LDFLAGS ""
	}
    } else {
	set STATIC_PIE_LDFLAGS ""
    }
}

# Set NOSANTIZE_CFLAGS to "-fno-sanitize=all" if target compiler
# supports it.

if { ![info exists NOSANTIZE_CFLAGS] } then {
    if { [check_compiler_available] } {
	# Check if gcc supports -fno-sanitize=all.
	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/available[pid]"
	set src ${basename}.c
	set output ${basename}
	set f [open $src "w"]
	puts $f "int main (void) { return 0; }"
	close $f
	if [is_remote host] {
	    set src [remote_download host $src]
	}
	set available [run_host_cmd_yesno "$CC" "$flags -fno-sanitize=all $src -o $output"]
	remote_file host delete $src
	remote_file host delete $output
	file delete $src

	if { $available == 1 } then {
	    set NOSANTIZE_CFLAGS "-fno-sanitize=all"
	} else {
	    set NOSANTIZE_CFLAGS ""
	}
    } else {
	set NOSANTIZE_CFLAGS ""
    }
}
Commit	Line	Data
252b5132	1	# Basic expect script for LD Regression Tests
b3adc24a	2	# Copyright (C) 1993-2020 Free Software Foundation, Inc.
252b5132	3	#
f96b4a7b NC	4	# This file is part of the GNU Binutils.
f96b4a7b NC	5	#
252b5132 RH	6	# This file is free software; you can redistribute it and/or modify
252b5132 RH	7	# it under the terms of the GNU General Public License as published by
f96b4a7b	8	# the Free Software Foundation; either version 3 of the License, or
252b5132 RH	9	# (at your option) any later version.
	10	#
	11	# This program is distributed in the hope that it will be useful,
	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	# GNU General Public License for more details.
	15	#
	16	# You should have received a copy of the GNU General Public License
	17	# along with this program; if not, write to the Free Software
f96b4a7b NC	18	# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
f96b4a7b NC	19	# MA 02110-1301, USA.
252b5132 RH	20	#
	21	# Written by Jeffrey Wheat (cassidy@cygnus.com)
	22	#
	23
	24	if ![info exists ld] then {
	25	set ld [findfile $base_dir/ld-new $base_dir/ld-new [transform ld]]
	26	}
	27
	28	if ![info exists as] then {
	29	set as [findfile $base_dir/../gas/as-new $base_dir/../gas/as-new [transform as]]
	30	}
	31
	32	if ![info exists nm] then {
	33	set nm [findfile $base_dir/../binutils/nm-new $base_dir/../binutils/nm-new [transform nm]]
	34	}
	35
	36	if ![info exists objdump] then {
	37	set objdump [findfile $base_dir/../binutils/objdump]
	38	}
	39
	40	if ![info exists objcopy] then {
	41	set objcopy [findfile $base_dir/../binutils/objcopy]
	42	}
	43
	44	if ![info exists ar] then {
	45	set ar [findfile $base_dir/../binutils/ar]
	46	}
	47
	48	if ![info exists strip] then {
	49	set strip [findfile $base_dir/../binutils/strip-new $base_dir/../binutils/strip-new [transform strip]]
	50	}
	51
7b19bec2 AM	52	if ![info exists size] then {
	53	set size [findfile $base_dir/../binutils/size]
	54	}
	55
7f6a71ff	56	remote_exec host "mkdir -p tmpdir"
252b5132	57
f1d7f4a6 AM	58	# Make symlinks from tmpdir/ld to the linker and assembler in the
	59	# build tree, so that we can use a -B option to gcc to force it to use
	60	# the newly built linker and assembler.
b765d4e3 L	61	if {![file isdirectory tmpdir/ld]} then {
	62	catch "exec mkdir tmpdir/ld" status
	63	catch "exec ln -s ../../ld-new tmpdir/ld/ld" status
3499cebd	64	catch "exec ln -s ld tmpdir/ld/collect-ld" status
f1d7f4a6	65	catch "exec ln -s ../../../gas/as-new tmpdir/ld/as" status
b765d4e3	66	}
f1d7f4a6	67	set gcc_B_opt "-B[pwd]/tmpdir/ld/"
b765d4e3	68
cdaeef2e	69	# load the linker path
f1d7f4a6	70	set ld_L_opt ""
99c05fe4 MM	71	if {[file exists tmpdir/libpath.exp]} {
99c05fe4 MM	72	load_lib tmpdir/libpath.exp
cdaeef2e	73
99c05fe4	74	foreach dir $libpath {
f1d7f4a6	75	append ld_L_opt " -L$dir"
99c05fe4 MM	76	}
	77	}
	78
	79	# The "make check" target in the Makefile passes in
	80	# "CC=$(CC_FOR_TARGET)". But, if the user invokes runtest directly
dae043d2	81	# (as when testing an installed linker), these flags may not be set.
99c05fe4	82	if {![info exists CC]} {
dae043d2 MM	83	set CC [find_gcc]
	84	}
	85	if {![info exists CFLAGS]} {
	86	set CFLAGS "-g -O2"
	87	}
	88	if {![info exists CXX]} {
	89	set CXX [find_g++]
	90	}
	91	if {![info exists CXXFLAGS]} {
	92	set CXXFLAGS ""
cdaeef2e L	93	}
cdaeef2e L	94
49c16254 NC	95	# This allows us to run the linker testsuite with clang as the compilation
	96	# driver instead of gcc. The syntax of the overrides are as follows, one
	97	# per line:
	98	#
	99	# '#': Silence information about the changes to the command line arguments.
	100	#
	101	# '^': Add FOO as a new argument at the beginning of the command line.
	102	#
	103	# '+': Add FOO as a new argument at the end of the command line.
	104	#
	105	# 's/XXX/YYY/': Substitute the regular expression XXX with YYY in the command
	106	# line.
	107	#
	108	# 'xOPTION': Removes all instances of the literal argument OPTION.
	109	#
	110	# 'XOPTION': Removes all instances of the literal argument OPTION,
	111	# and the following argument.
	112	#
	113	# 'Ox': Removes all flags matching 'O' or 'O[sz0-9]' and adds 'Ox'
	114	# at the end of the command line.
	115	#
	116	# \param OS - The stream to write edit information to.
	117	# \param Args - The vector of command line arguments.
	118	# \param Edit - The override command to perform.
	119	# \param SavedStrings - Set to use for storing string representations.
	120
49c16254 NC	121	# Only set up the environment variable if the user has not already provided one.
	122	if {! [info exists env(CCC_OVERRIDE_OPTIONS)]} {
	123	set env(CCC_OVERRIDE_OPTIONS) "#\
	124	+-Wno-unused-command-line-argument \
	125	+-Wno-unknown-attributes \
	126	+-Wno-tautological-compare \
	127	+-Wno-ignored-optimization-argument \
	128	+-Wno-deprecated \
	129	+-fuse-ld=$ld \
	130	x-Wa,--elf-stt-common=yes \
	131	x-Wa,-mx86-used-note=no \
	132	x-Wa,-mx86-used-note=yes \
	133	x-Wa,-madd-bnd-prefix \
	134	x-fno-early-inlining \
	135	x-fno-toplevel-reorder \
	136	x-flto-partition=none \
	137	x-feliminate-dwarf2-dups \
	138	s/-Wa,-mrelax-relocations=yes,-mx86-used-note=yes/-Wa,-mrelax-relocations=yes/ \
	139	s/-Wa,--compress-debug-sections=zlib/-Wa,-compress-debug-sections=zlib/ \
	140	s/-Wa,--compress-debug-sections=zlib-gabi/-Wa,-compress-debug-sections=zlib-gabi/ \
	141	"
	142	}
	143
697380b3 AO	144	# The mips64-*-linux-gnu compiler defaults to the N32 ABI after
	145	# installed, but to the O32 ABI in the build tree, because of some
	146	# specs-file hacks. Make sure we use an ABI that is compatible with
	147	# the one we expect.
	148	if {[istarget mips64--linux*] &&
	149	(![board_info [target_info name] exists multilib_flags] \|\|
	150	![string match "*-mabi" [board_info [target_info name] multilib_flags]])
	151	} {
f1d7f4a6	152	append gcc_B_opt " -mabi=n32"
697380b3 AO	153	}
697380b3 AO	154
e5719043 NC	155	if { [istarget rx--] } {
	156	global ASFLAGS
	157	set ASFLAGS "-muse-conventional-section-names"
	158	}
	159
252b5132 RH	160	# load the utility procedures
	161	load_lib ld-lib.exp
	162
252b5132 RH	163	proc get_target_emul {} {
	164	global target_triplet
	165	global srcdir
	166	set status [catch "exec sh -c \"targ='$target_triplet' && . $srcdir/../configure.tgt && echo \\\$targ_emul\"" result]
	167	if $status { error "Error getting emulation name: $result" }
	168	return $result
	169	}
	170
252b5132 RH	171	if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" }
	172
	173	#
	174	# ld_version -- extract and print the version number of ld compiler (GCC)
	175	#
	176	proc ld_version {} {
	177	global ld
	178	default_ld_version $ld
	179	}
	180
	181	#
	182	# ld_exit -- just a stub for ld
	183	#
	184	proc ld_exit {} {
	185	}
	186
	187	#
	188	# ld_start
	189	# relink the linker
	190	#
	191	proc ld_start { ld target } {
	192	#
	193	}
	194
	195	#
	196	# ld_relocate
	197	# link an object using relocation
	198	#
	199	proc ld_relocate { ld target objects } {
	200	default_ld_relocate $ld $target $objects
	201	}
	202
	203	#
	204	# ld_link
	205	# link a program using ld
	206	#
	207	proc ld_link { ld target objects } {
	208	default_ld_link $ld $target $objects
	209	}
	210
252b5132 RH	211	#
	212	# ld_compile
	213	# compile an object using $cc
	214	#
	215	proc ld_compile { cc source object } {
	216	default_ld_compile $cc $source $object
	217	}
	218
	219	#
	220	# ld_assemble
	221	# assemble a file
	222	#
	223	proc ld_assemble { as source object } {
de1491f0 BS	224	default_ld_assemble $as "" $source $object
	225	}
	226
	227	#
	228	# ld_assemble_flags
	229	# assemble a file with extra flags
	230	#
	231	proc ld_assemble_flags { as flags source object } {
	232	default_ld_assemble $as $flags $source $object
252b5132 RH	233	}
	234
	235	#
	236	# ld_nm
	237	# run nm on a file
	238	#
992c450d AM	239	proc ld_nm { nm nmflags object } {
992c450d AM	240	default_ld_nm $nm $nmflags $object
252b5132 RH	241	}
	242
	243	#
	244	# ld_exec
	245	# execute ithe target
	246	#
	247	proc ld_exec { target output } {
	248	default_ld_exec $target $output
	249	}
	250
261def70 HPN	251	# From gas-defs.exp, to support run_dump_test.
	252	if ![info exists AS] then {
	253	set AS $as
	254	}
	255
261def70 HPN	256	if ![info exists ASFLAGS] then {
	257	set ASFLAGS ""
	258	}
	259
	260	if ![info exists OBJDUMP] then {
	261	set OBJDUMP $objdump
	262	}
	263
	264	if ![info exists OBJDUMPFLAGS] then {
	265	set OBJDUMPFLAGS {}
	266	}
	267
	268	if ![info exists NM] then {
	269	set NM $nm
	270	}
	271
	272	if ![info exists NMFLAGS] then {
	273	set NMFLAGS {}
	274	}
	275
	276	if ![info exists OBJCOPY] then {
	277	set OBJCOPY $objcopy
	278	}
	279
	280	if ![info exists OBJCOPYFLAGS] then {
	281	set OBJCOPYFLAGS {}
	282	}
	283
	284	if ![info exists READELF] then {
	285	set READELF [findfile $base_dir/../binutils/readelf]
	286	}
	287
	288	if ![info exists READELFFLAGS] then {
	289	set READELFFLAGS {}
	290	}
	291
8a6b075b L	292	if ![info exists ELFEDIT] then {
	293	set ELFEDIT [findfile $base_dir/../binutils/elfedit]
	294	}
	295
261def70 HPN	296	if ![info exists LD] then {
	297	set LD [findfile $base_dir/ld-new ./ld-new [transform ld]]
	298	}
	299
	300	if ![info exists LDFLAGS] then {
	301	set LDFLAGS {}
	302	}
e10461ae	303
b77db948	304	# Set LD_CLASS to "64bit" for a 64-bit host linker.
978c0540	305	if { ![info exists LD_CLASS] } then {
7ed1dab9 L	306	set REAL_LD [findfile $base_dir/.libs/ld-new .libs/ld-new $LD [transform ld]]
7ed1dab9 L	307	set readelf_output [run_host_cmd "$READELF" "-h $REAL_LD"]
978c0540 L	308	if { [regexp {[ \t]+Class:[ \t]+ELF64} $readelf_output] } then {
	309	set LD_CLASS "64bit"
	310	} else {
	311	set LD_CLASS "32bit"
	312	}
	313	}
	314
e10461ae L	315	# Set PLT_CFLAGS to "-fplt" if target compiler supports it.
	316
	317	if { ![info exists PLT_CFLAGS] } then {
44ed8092	318	if { [check_compiler_available] } {
e10461ae L	319	# Check if gcc supports -fplt
	320	set flags ""
	321	if [board_info [target_info name] exists cflags] {
	322	append flags " [board_info [target_info name] cflags]"
	323	}
	324	if [board_info [target_info name] exists ldflags] {
	325	append flags " [board_info [target_info name] ldflags]"
	326	}
	327
	328	set basename "tmpdir/plt[pid]"
	329	set src ${basename}.c
	330	set output ${basename}.o
	331	set f [open $src "w"]
	332	puts $f ""
	333	close $f
010f98a5 L	334	if [is_remote host] {
	335	set src [remote_download host $src]
	336	}
e10461ae L	337	set plt_available [run_host_cmd_yesno "$CC" "$flags -c -fplt $src -o $output"]
	338	remote_file host delete $src
	339	remote_file host delete $output
	340	file delete $src
	341
	342	if { $plt_available == 1 } then {
	343	set PLT_CFLAGS "-fplt"
	344	} else {
	345	set PLT_CFLAGS ""
	346	}
	347	} else {
	348	set PLT_CFLAGS ""
	349	}
	350	}
6f8ea6c4 L	351
	352	# Set NOPIE_CFLAGS to "-fno-PIE" and NOPIE_LDFLAGS to "-no-pie" if
	353	# target compiler supports them.
	354
	355	if { ![info exists NOPIE_CFLAGS] \|\| ![info exists NOPIE_LDFLAGS] } then {
44ed8092	356	if { [check_compiler_available] } {
6f8ea6c4 L	357	# Check if gcc supports -fno-PIE -no-pie.
	358	set flags ""
	359	if [board_info [target_info name] exists cflags] {
	360	append flags " [board_info [target_info name] cflags]"
	361	}
	362	if [board_info [target_info name] exists ldflags] {
	363	append flags " [board_info [target_info name] ldflags]"
	364	}
	365
	366	set basename "tmpdir/nopie[pid]"
	367	set src ${basename}.c
	368	set output ${basename}
	369	set f [open $src "w"]
	370	puts $f "int main (void) { return 0; }"
	371	close $f
010f98a5 L	372	if [is_remote host] {
	373	set src [remote_download host $src]
	374	}
6f8ea6c4 L	375	set nopie_available [run_host_cmd_yesno "$CC" "$flags -fno-PIE -no-pie $src -o $output"]
	376	remote_file host delete $src
	377	remote_file host delete $output
	378	file delete $src
	379
	380	if { $nopie_available == 1 } then {
	381	set NOPIE_CFLAGS "-fno-PIE"
	382	set NOPIE_LDFLAGS "-no-pie"
	383	} else {
	384	set NOPIE_CFLAGS ""
	385	set NOPIE_LDFLAGS ""
	386	}
	387	} else {
	388	set NOPIE_CFLAGS ""
	389	set NOPIE_LDFLAGS ""
	390	}
	391	}
1670f9c1	392
8be5def6 L	393	# Set NOCF_PROTECTION_CFLAGS to "-fcf-protection=none" if target compiler
	394	# supports it.
	395
	396	if { ![info exists NOCF_PROTECTION_CFLAGS] } then {
	397	if { [check_compiler_available] } {
	398	# Check if gcc supports -fcf-protection=none.
	399	set flags ""
	400	if [board_info [target_info name] exists cflags] {
	401	append flags " [board_info [target_info name] cflags]"
	402	}
	403	if [board_info [target_info name] exists ldflags] {
	404	append flags " [board_info [target_info name] ldflags]"
	405	}
	406
aa350065	407	set basename "tmpdir/available[pid]"
8be5def6 L	408	set src ${basename}.c
	409	set output ${basename}
	410	set f [open $src "w"]
	411	puts $f "int main (void) { return 0; }"
	412	close $f
	413	if [is_remote host] {
	414	set src [remote_download host $src]
	415	}
aa350065	416	set available [run_host_cmd_yesno "$CC" "$flags -fcf-protection=none $src -o $output"]
8be5def6 L	417	remote_file host delete $src
	418	remote_file host delete $output
	419	file delete $src
	420
aa350065	421	if { $available == 1 } then {
8be5def6 L	422	set NOCF_PROTECTION_CFLAGS "-fcf-protection=none"
	423	} else {
	424	set NOCF_PROTECTION_CFLAGS ""
	425	}
	426	} else {
	427	set NOCF_PROTECTION_CFLAGS ""
	428	}
	429	}
	430
1670f9c1 L	431	# Set GNU2_CFLAGS to "-mtls-dialect=gnu2" if target compiler supports it.
	432
	433	if { ![info exists GNU2_CFLAGS] } then {
44ed8092	434	if { [check_compiler_available] } {
1670f9c1 L	435	# Check if gcc supports -mtls-dialect=gnu2
	436	set flags ""
	437	if [board_info [target_info name] exists cflags] {
	438	append flags " [board_info [target_info name] cflags]"
	439	}
	440	if [board_info [target_info name] exists ldflags] {
	441	append flags " [board_info [target_info name] ldflags]"
	442	}
	443
	444	set basename "tmpdir/gnu2[pid]"
	445	set src ${basename}.c
	446	set output ${basename}.o
	447	set f [open $src "w"]
	448	puts $f "__thread int yyy = 100;"
	449	close $f
	450	if [is_remote host] {
	451	set src [remote_download host $src]
	452	}
	453	set gnu2_available [run_host_cmd_yesno "$CC" "$flags -c -mtls-dialect=gnu2 $src -o $output"]
	454	remote_file host delete $src
	455	remote_file host delete $output
	456	file delete $src
	457
	458	if { $gnu2_available == 1 } then {
	459	set GNU2_CFLAGS "-mtls-dialect=gnu2"
	460	} else {
	461	set GNU2_CFLAGS ""
	462	}
	463	} else {
	464	set GNU2_CFLAGS ""
	465	}
	466	}
fef75122 L	467
	468	# Set INT128_CFLAGS to "-DHAS_INT128" if target compiler supports __int128.
	469
	470	if { ![info exists INT128_CFLAGS] } then {
44ed8092	471	if { [check_compiler_available] } {
fef75122 L	472	# Check if gcc supports __int128.
	473	set flags ""
	474	if [board_info [target_info name] exists cflags] {
	475	append flags " [board_info [target_info name] cflags]"
	476	}
	477	if [board_info [target_info name] exists ldflags] {
	478	append flags " [board_info [target_info name] ldflags]"
	479	}
	480
	481	set basename "tmpdir/int128[pid]"
	482	set src ${basename}.c
	483	set output ${basename}.o
	484	set f [open $src "w"]
	485	puts $f "__int128 a = 42;"
	486	close $f
	487	if [is_remote host] {
	488	set src [remote_download host $src]
	489	}
	490	set int128_available [run_host_cmd_yesno "$CC" "$flags -c $src -o $output"]
	491	remote_file host delete $src
	492	remote_file host delete $output
	493	file delete $src
	494
	495	if { $int128_available == 1 } then {
	496	set INT128_CFLAGS "-DHAS_INT128"
	497	} else {
	498	set INT128_CFLAGS ""
	499	}
	500	} else {
	501	set INT128_CFLAGS ""
	502	}
	503	}
98d72909 L	504
	505	# Set STATIC_LDFLAGS to "-static" if target compiler supports it.
	506
	507	if { ![info exists STATIC_LDFLAGS] } then {
44ed8092	508	if { [check_compiler_available] } {
98d72909 L	509	# Check if gcc supports -static.
	510	set flags ""
	511	if [board_info [target_info name] exists cflags] {
	512	append flags " [board_info [target_info name] cflags]"
	513	}
	514	if [board_info [target_info name] exists ldflags] {
	515	append flags " [board_info [target_info name] ldflags]"
	516	}
	517
	518	set basename "tmpdir/static[pid]"
	519	set src ${basename}.c
	520	set output ${basename}
	521	set f [open $src "w"]
	522	puts $f "int main (void) { return 0; }"
	523	close $f
	524	if [is_remote host] {
	525	set src [remote_download host $src]
	526	}
	527	set static_available [run_host_cmd_yesno "$CC" "-static $flags $src -o $output"]
	528	remote_file host delete $src
	529	remote_file host delete $output
	530	file delete $src
	531
	532	if { $static_available == 1 } then {
	533	set STATIC_LDFLAGS "-static"
	534	} else {
	535	set STATIC_LDFLAGS ""
	536	}
	537	} else {
	538	set STATIC_LDFLAGS ""
	539	}
	540	}
b3d7a867 L	541
	542	# Set STATIC_PIE_LDFLAGS to "-static-pie" if target compiler supports it.
	543
	544	if { ![info exists STATIC_PIE_LDFLAGS] } then {
44ed8092	545	if { [check_compiler_available] } {
b3d7a867 L	546	# Check if gcc supports -static-pie.
	547	set flags ""
	548	if [board_info [target_info name] exists cflags] {
	549	append flags " [board_info [target_info name] cflags]"
	550	}
	551	if [board_info [target_info name] exists ldflags] {
	552	append flags " [board_info [target_info name] ldflags]"
	553	}
	554
	555	set basename "tmpdir/static[pid]"
	556	set src ${basename}.c
	557	set output ${basename}
	558	set f [open $src "w"]
	559	puts $f "int main (void) { return 0; }"
	560	close $f
	561	if [is_remote host] {
	562	set src [remote_download host $src]
	563	}
	564	set static_available [run_host_cmd_yesno "$CC" "-static-pie $flags $src -o $output"]
	565	remote_file host delete $src
	566	remote_file host delete $output
	567	file delete $src
	568
	569	if { $static_available == 1 } then {
	570	set STATIC_PIE_LDFLAGS "-static-pie"
	571	} else {
	572	set STATIC_PIE_LDFLAGS ""
	573	}
	574	} else {
	575	set STATIC_PIE_LDFLAGS ""
	576	}
	577	}
1949ad04 L	578
	579	# Set NOSANTIZE_CFLAGS to "-fno-sanitize=all" if target compiler
	580	# supports it.
	581
	582	if { ![info exists NOSANTIZE_CFLAGS] } then {
	583	if { [check_compiler_available] } {
	584	# Check if gcc supports -fno-sanitize=all.
	585	set flags ""
	586	if [board_info [target_info name] exists cflags] {
	587	append flags " [board_info [target_info name] cflags]"
	588	}
	589	if [board_info [target_info name] exists ldflags] {
	590	append flags " [board_info [target_info name] ldflags]"
	591	}
	592
	593	set basename "tmpdir/available[pid]"
	594	set src ${basename}.c
	595	set output ${basename}
	596	set f [open $src "w"]
	597	puts $f "int main (void) { return 0; }"
	598	close $f
	599	if [is_remote host] {
	600	set src [remote_download host $src]
	601	}
	602	set available [run_host_cmd_yesno "$CC" "$flags -fno-sanitize=all $src -o $output"]
	603	remote_file host delete $src
	604	remote_file host delete $output
	605	file delete $src
	606
	607	if { $available == 1 } then {
	608	set NOSANTIZE_CFLAGS "-fno-sanitize=all"
	609	} else {
	610	set NOSANTIZE_CFLAGS ""
	611	}
	612	} else {
	613	set NOSANTIZE_CFLAGS ""
	614	}
	615	}