[deliverable/binutils-gdb.git] / ld / testsuite / ld-elfweak / elfweak.exp

# Expect script for ld-weak tests
#   Copyright (C) 2001-2020 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# This program 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 H.J. Lu (hjl@gnu.org)
#	     Eric Youngdale (eric@andante.jic.com)
#

# Check to see if the C compiler works
if { ![check_compiler_available] } {
    return
}

# This test can only be run on a couple of ELF platforms.
# Square bracket expressions seem to confuse istarget.
# This is similar to the test that is used in ld-shared, BTW.
if {    ![istarget alpha*-*-linux*]
     && ![istarget arm*-*-linux*]
     && ![istarget hppa*64*-*-hpux*]
     && ![istarget hppa*-*-linux*]
     && ![istarget i?86-*-sysv4*]
     && ![istarget i?86-*-unixware]
     && ![istarget i?86-*-elf*]
     && ![istarget i?86-*-linux*]
     && ![istarget i?86-*-gnu*]
     && ![istarget ia64-*-elf*]
     && ![istarget ia64-*-linux*]
     && ![istarget m68k-*-linux*]
     && ![istarget mips*-*-irix5*]
     && ![istarget mips*-*-linux*]
     && ![istarget powerpc*-*-elf*]
     && ![istarget powerpc*-*-linux*]
     && ![istarget powerpc*-*-sysv4*]
     && ![istarget sh\[34\]*-*-linux*]
     && ![istarget sparc*-*-elf]
     && ![istarget sparc*-*-solaris2*]
     && ![istarget sparc*-*-linux*]
     && ![istarget x86_64-*-linux*]
     && ![istarget *-*-nacl*] } {
    return
}
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
    return
}

set diff diff
set tmpdir tmpdir
set DOBJDUMP_FLAGS --dynamic-syms
set SOBJDUMP_FLAGS --syms
set shared "--shared -Wl,--no-as-needed"

global NOSANTIZE_CFLAGS

#
# objdump_symstuff
#	Dump non-dynamic symbol stuff and make sure that it is sane.
#
proc objdump_symstuff { objdump object expectfile } {
    global SOBJDUMP_FLAGS
    global version_output
    global diff
    global tmpdir

    if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }

    set cmd "$objdump $SOBJDUMP_FLAGS $object | sed -n {s/^\\(\[0-9a-f\]* *\\)\\(\[gw\]\\)\\( *\\)\\(\[FO\]\\)/\\1\\2\\4\\3/;/foo$/p} > $tmpdir/objdump.out"
    verbose -log $cmd
    catch "exec $cmd" exec_output
    set exec_output [prune_warnings $exec_output]
    if [string match "" $exec_output] then {

# Now do a line-by-line comparison to effectively diff the darned things
# The stuff coming from the expectfile is actually a regex, so we can
# skip over the actual addresses and so forth.  This is currently very
# simpleminded - it expects a one-to-one correspondence in terms of line
# numbers.

	if [file exists $expectfile] then {
	    set file_a [open $expectfile r]
	} else {
	    perror "$expectfile doesn't exist"
	    return 0
	}

	if [file exists $tmpdir/objdump.out] then {
	    set file_b [open $tmpdir/objdump.out r]
	} else {
	    perror "$tmpdir/objdump.out doesn't exist"
	    return 0
	}

	verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2

	set eof -1
	set differences 0

	while { [gets $file_a line] != $eof } {
	    if [regexp "^#.*$" $line] then {
		continue
	    } else {
		lappend list_a $line
	    }
	}
	close $file_a

	while { [gets $file_b line] != $eof } {
	    if [regexp {\.text.* \.[^ ]*$} $line] then {
		# Discard defined powerpc64 dot-symbols
		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$expectfile: $i: $line_a" 3
	    verbose "\t/tmp/objdump.out: $i: $line_b" 3
	    if [regexp $line_a $line_b] then {
		continue
	    } else {
		verbose -log "\t$expectfile: $i: $line_a"
		verbose -log "\t$tmpdir/objdump.out: $i: $line_b"

		return 0
	    }
	}

	if { [llength $list_a] != [llength $list_b] } {
	    verbose -log "Line count"
	    return 0
	}

	if $differences<1 then {
	    return 1
	}

	return 0
    } else {
	verbose -log "$exec_output"
	return 0
    }

}

#
# objdump_dymsymstuff
#	Dump dynamic symbol stuff and make sure that it is sane.
#
proc objdump_dynsymstuff { objdump object expectfile } {
    global DOBJDUMP_FLAGS
    global version_output
    global diff
    global tmpdir

    if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }

    set cmd "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out"
    verbose -log $cmd
    catch "exec $cmd" exec_output
    set exec_output [prune_warnings $exec_output]
    if [string match "" $exec_output] then {

# Now do a line-by-line comparison to effectively diff the darned things
# The stuff coming from the expectfile is actually a regex, so we can
# skip over the actual addresses and so forth.  This is currently very
# simpleminded - it expects a one-to-one correspondence in terms of line
# numbers.

	if [file exists $expectfile] then {
	    set file_a [open $expectfile r]
	} else {
	    warning "$expectfile doesn't exist"
	    return 0
	}

	if [file exists $tmpdir/objdump.out] then {
	    set file_b [open $tmpdir/objdump.out r]
	} else {
	    fail "$tmpdir/objdump.out doesn't exist"
	    return 0
	}

	verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2

	set eof -1
	set differences 0

	while { [gets $file_a line] != $eof } {
	    if [regexp "^#.*$" $line] then {
		continue
	    } else {
		lappend list_a $line
	    }
	}
	close $file_a

	while { [gets $file_b line] != $eof } {
	    if [regexp {\.text.* \.[^ ]*$} $line] then {
		# Discard defined powerpc64 dot-symbols
		continue
	    } else {
		lappend list_b $line
	    }
	}
	close $file_b

	for { set i 0 } { $i < [llength $list_b] } { incr i } {
	    set line_b [lindex $list_b $i]

# The tests are rigged so that we should never export a symbol with the
# word 'hide' in it.  Thus we just search for it, and bail if we find it.
	    if [regexp "hide" $line_b] then {
		verbose -log "\t$tmpdir/objdump.out: $i: $line_b"

		return 0
	    }

	    verbose "\t$expectfile: $i: $line_b" 3

	    # We can't assume that the sort is consistent across
	    # systems, so we must check each regexp.  When we find a
	    # regexp, we null it out, so we don't match it twice.
	    for { set j 0 } { $j < [llength $list_a] } { incr j } {
		set line_a [lindex $list_a $j]

		if [regexp $line_a $line_b] then {
		    lreplace $list_a $j $j "CAN NOT MATCH"
		    break
		}
	    }

	    if { $j >= [llength $list_a] } {
		verbose -log "\t$tmpdir/objdump.out: $i: $line_b"

		return 0
	    }
	}

	if { [llength $list_a] != [llength $list_b] } {
	    verbose -log "Line count"
	    return 0
	}

	if $differences<1 then {
	    return 1
	}

	return 0
    } else {
	verbose -log "$exec_output"
	return 0
    }

}

proc build_lib {test libname objs dynsymexp} {
    global CC
    global objdump
    global tmpdir
    global shared
    global srcdir
    global subdir

    set files ""
    foreach obj $objs {
      set files "$files $tmpdir/$obj"
    }

    if {![ld_link $CC $tmpdir/$libname.so "$shared $files"]} {
	fail $test
	return
    }

    if {![string match "" $dynsymexp]
	&& ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
	fail $test
	return
    }
    pass $test
}

proc build_exec { test execname objs flags dat dynsymexp symexp} {
    global CC
    global objdump
    global tmpdir
    global srcdir
    global subdir
    global exec_output
    global NOSANTIZE_CFLAGS

    set files ""
    foreach obj $objs {
      set files "$files $tmpdir/$obj"
    }

    if {![ld_link $CC $tmpdir/$execname "$flags $NOSANTIZE_CFLAGS $files"]} {
	fail "$test"
	return
    }

    if {![string match "" $dynsymexp]} then {
        if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
	    fail $test
	    return
	}
    }

    if {![string match "" $symexp]} then {
        if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
	    fail $test
	    return
	}
    }

    if ![isnative] {
	unsupported $test
	return
    }
    # Run the resulting program
    send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
    verbose "$tmpdir/$execname >$tmpdir/$execname.out"
    catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
    if ![string match "" $exec_output] then {
	send_log "$exec_output\n"
	verbose "$exec_output"
	fail $test
	return
    }

    send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
    verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
    catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
    set exec_output [prune_warnings $exec_output]

    if {![string match "" $exec_output]} then {
	send_log "$exec_output\n"
	verbose "$exec_output"
	fail $test
        return
    }

    pass $test
}

# Old version of GCC for MIPS default to enabling -fpic
# and get confused if it is used on the command line.
if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
    set picflag ""
} else {
    # Unfortunately, the gcc argument is -fpic and the cc argument is
    # -KPIC.  We have to try both.
    set picflag "-fpic"
    send_log "$CC $picflag\n"
    verbose "$CC $picflag"
    catch "exec $CC $picflag" exec_output
    send_log "$exec_output\n"
    verbose "--" "$exec_output"
    if { [string match "*illegal option*" $exec_output]
	 || [string match "*option ignored*" $exec_output]
	 || [string match "*unrecognized option*" $exec_output]
	 || [string match "*passed to ld*" $exec_output] } {
	set picflag "-KPIC"
    }
}
verbose "Using $picflag to compile PIC code"

if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o]
    || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o]
    || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o]
    || ![ld_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]
    || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o]
    || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o]
    || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o]
    || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o]
    || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o]
    || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/main1.c $tmpdir/main1.o]
    || ![ld_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]
    || ![ld_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]
    || ![ld_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} then {
    fail "ELF weak"
} else {
    build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym
    build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym
    build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym
    build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym
    build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym
    build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym
    build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
    build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
    build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym
    build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym
    build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym
    build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym
    build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym
    build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym
    build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym
    build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym
    build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym
    build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym
    build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
    build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
    build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,--no-as-needed,-rpath,.,-rpath-link,." weakdata weakdata.dsym ""
    build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,--no-as-needed,-rpath,.,-rpath-link,." weakdata weakdata.dsym ""
}

if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o]
    || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar_s.o]
    || ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o]
    || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o]} then {
    unresolved "ELF weak (size)"
} else {
    build_lib "ELF DSO small bar (size)" libsize_bar_s "size_bar_s.o" ""
    build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar_s.so" ""
    build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" ""
    build_exec "ELF weak size" size_main "size_main.o libsize_foo.so libsize_bar.so" "-Wl,-rpath=.,-rpath-link=.,--no-as-needed" size "" ""
}

verbose "size2"
run_dump_test $srcdir/$subdir/size2

if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/alias.c $tmpdir/alias.o]
    || ![ld_link $CC $tmpdir/alias.so "$shared $tmpdir/alias.o"]
    || ![ld_compile "$CC $CFLAGS $NOSANTIZE_CFLAGS" $srcdir/$subdir/aliasmain.c $tmpdir/aliasmain.o]
    || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref1.c $tmpdir/weakref1.o]
    || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref2.c $tmpdir/weakref2.o]} then {
    unresolved "ELF weak (alias)"
} else {
    build_exec "ELF weak (alias)" alias "aliasmain.o weakref1.o weakref2.o alias.so" "-Wl,-rpath=.,--no-as-needed" alias "" ""
}
Commit	Line	Data
16a57284	1	# Expect script for ld-weak tests
b3adc24a	2	# Copyright (C) 2001-2020 Free Software Foundation, Inc.
16a57284	3	#
f96b4a7b NC	4	# This file is part of the GNU Binutils.
	5	#
	6	# This program is free software; you can redistribute it and/or modify
16a57284	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
16a57284	9	# (at your option) any later version.
f96b4a7b	10	#
16a57284 L	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.
f96b4a7b	15	#
16a57284 L	16	# You should have received a copy of the GNU General Public License
16a57284 L	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.
16a57284 L	20	#
	21	# Written by H.J. Lu (hjl@gnu.org)
	22	# Eric Youngdale (eric@andante.jic.com)
	23	#
	24
d9816402	25	# Check to see if the C compiler works
44ed8092	26	if { ![check_compiler_available] } {
d9816402 AM	27	return
d9816402 AM	28	}
16a57284 L	29
	30	# This test can only be run on a couple of ELF platforms.
	31	# Square bracket expressions seem to confuse istarget.
	32	# This is similar to the test that is used in ld-shared, BTW.
99753d9d AM	33	if { ![istarget alpha--linux*]
	34	&& ![istarget arm--linux*]
	35	&& ![istarget hppa64--hpux]
	36	&& ![istarget hppa--linux*]
	37	&& ![istarget i?86--sysv4]
	38	&& ![istarget i?86-*-unixware]
	39	&& ![istarget i?86--elf]
	40	&& ![istarget i?86--linux]
	41	&& ![istarget i?86--gnu]
	42	&& ![istarget ia64--elf]
	43	&& ![istarget ia64--linux]
	44	&& ![istarget m68k--linux]
	45	&& ![istarget mips--irix5*]
	46	&& ![istarget mips--linux*]
	47	&& ![istarget powerpc--elf*]
	48	&& ![istarget powerpc--linux*]
	49	&& ![istarget powerpc--sysv4*]
	50	&& ![istarget sh\[34\]--linux*]
	51	&& ![istarget sparc--elf]
	52	&& ![istarget sparc--solaris2*]
5a68afcf	53	&& ![istarget sparc--linux*]
75c8d84d	54	&& ![istarget x86_64--linux]
5a68afcf	55	&& ![istarget --nacl*] } {
16a57284 L	56	return
16a57284 L	57	}
16a57284 L	58	if { [istarget rs6000--aix] \|\| [istarget powerpc--aix] } {
	59	return
	60	}
	61
	62	set diff diff
	63	set tmpdir tmpdir
	64	set DOBJDUMP_FLAGS --dynamic-syms
	65	set SOBJDUMP_FLAGS --syms
75c8d84d	66	set shared "--shared -Wl,--no-as-needed"
16a57284	67
1949ad04	68	global NOSANTIZE_CFLAGS
5940a93c	69
16a57284 L	70	#
	71	# objdump_symstuff
	72	# Dump non-dynamic symbol stuff and make sure that it is sane.
	73	#
	74	proc objdump_symstuff { objdump object expectfile } {
	75	global SOBJDUMP_FLAGS
	76	global version_output
	77	global diff
	78	global tmpdir
	79
	80	if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
	81
4e95fbcd AM	82	set cmd "$objdump $SOBJDUMP_FLAGS $object \| sed -n {s/^\\(\[0-9a-f\]* \\)\\(\[gw\]\\)\\( \\)\\(\[FO\]\\)/\\1\\2\\4\\3/;/foo$/p} > $tmpdir/objdump.out"
	83	verbose -log $cmd
	84	catch "exec $cmd" exec_output
16a57284 L	85	set exec_output [prune_warnings $exec_output]
	86	if [string match "" $exec_output] then {
	87
	88	# Now do a line-by-line comparison to effectively diff the darned things
	89	# The stuff coming from the expectfile is actually a regex, so we can
	90	# skip over the actual addresses and so forth. This is currently very
	91	# simpleminded - it expects a one-to-one correspondence in terms of line
	92	# numbers.
	93
	94	if [file exists $expectfile] then {
	95	set file_a [open $expectfile r]
	96	} else {
	97	perror "$expectfile doesn't exist"
	98	return 0
	99	}
5a68afcf	100
16a57284 L	101	if [file exists $tmpdir/objdump.out] then {
	102	set file_b [open $tmpdir/objdump.out r]
	103	} else {
	104	perror "$tmpdir/objdump.out doesn't exist"
	105	return 0
	106	}
	107
	108	verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
	109
	110	set eof -1
	111	set differences 0
	112
	113	while { [gets $file_a line] != $eof } {
	114	if [regexp "^#.*$" $line] then {
	115	continue
	116	} else {
	117	lappend list_a $line
	118	}
	119	}
	120	close $file_a
	121
	122	while { [gets $file_b line] != $eof } {
4e95fbcd AM	123	if [regexp {\.text.* \.[^ ]*$} $line] then {
4e95fbcd AM	124	# Discard defined powerpc64 dot-symbols
16a57284 L	125	continue
	126	} else {
	127	lappend list_b $line
	128	}
	129	}
	130	close $file_b
5a68afcf	131
16a57284 L	132	for { set i 0 } { $i < [llength $list_a] } { incr i } {
	133	set line_a [lindex $list_a $i]
	134	set line_b [lindex $list_b $i]
5a68afcf	135
16a57284 L	136
	137	verbose "\t$expectfile: $i: $line_a" 3
	138	verbose "\t/tmp/objdump.out: $i: $line_b" 3
	139	if [regexp $line_a $line_b] then {
	140	continue
	141	} else {
	142	verbose -log "\t$expectfile: $i: $line_a"
	143	verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
5a68afcf	144
16a57284 L	145	return 0
	146	}
	147	}
5a68afcf	148
16a57284 L	149	if { [llength $list_a] != [llength $list_b] } {
	150	verbose -log "Line count"
	151	return 0
	152	}
5a68afcf	153
16a57284 L	154	if $differences<1 then {
	155	return 1
	156	}
5a68afcf	157
16a57284 L	158	return 0
	159	} else {
	160	verbose -log "$exec_output"
	161	return 0
	162	}
	163
	164	}
	165
	166	#
	167	# objdump_dymsymstuff
	168	# Dump dynamic symbol stuff and make sure that it is sane.
	169	#
	170	proc objdump_dynsymstuff { objdump object expectfile } {
	171	global DOBJDUMP_FLAGS
	172	global version_output
	173	global diff
	174	global tmpdir
	175
	176	if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
	177
4e95fbcd AM	178	set cmd "$objdump $DOBJDUMP_FLAGS $object \| grep foo$ > $tmpdir/objdump.out"
	179	verbose -log $cmd
	180	catch "exec $cmd" exec_output
16a57284 L	181	set exec_output [prune_warnings $exec_output]
	182	if [string match "" $exec_output] then {
	183
	184	# Now do a line-by-line comparison to effectively diff the darned things
	185	# The stuff coming from the expectfile is actually a regex, so we can
	186	# skip over the actual addresses and so forth. This is currently very
	187	# simpleminded - it expects a one-to-one correspondence in terms of line
	188	# numbers.
	189
	190	if [file exists $expectfile] then {
	191	set file_a [open $expectfile r]
	192	} else {
	193	warning "$expectfile doesn't exist"
	194	return 0
	195	}
5a68afcf	196
16a57284 L	197	if [file exists $tmpdir/objdump.out] then {
	198	set file_b [open $tmpdir/objdump.out r]
	199	} else {
	200	fail "$tmpdir/objdump.out doesn't exist"
	201	return 0
	202	}
	203
	204	verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
	205
	206	set eof -1
	207	set differences 0
	208
	209	while { [gets $file_a line] != $eof } {
	210	if [regexp "^#.*$" $line] then {
	211	continue
	212	} else {
	213	lappend list_a $line
	214	}
	215	}
	216	close $file_a
	217
	218	while { [gets $file_b line] != $eof } {
4e95fbcd AM	219	if [regexp {\.text.* \.[^ ]*$} $line] then {
4e95fbcd AM	220	# Discard defined powerpc64 dot-symbols
16a57284 L	221	continue
	222	} else {
	223	lappend list_b $line
	224	}
	225	}
	226	close $file_b
5a68afcf	227
16a57284 L	228	for { set i 0 } { $i < [llength $list_b] } { incr i } {
16a57284 L	229	set line_b [lindex $list_b $i]
5a68afcf	230
16a57284 L	231	# The tests are rigged so that we should never export a symbol with the
	232	# word 'hide' in it. Thus we just search for it, and bail if we find it.
	233	if [regexp "hide" $line_b] then {
	234	verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
5a68afcf	235
16a57284 L	236	return 0
	237	}
	238
	239	verbose "\t$expectfile: $i: $line_b" 3
	240
	241	# We can't assume that the sort is consistent across
	242	# systems, so we must check each regexp. When we find a
	243	# regexp, we null it out, so we don't match it twice.
	244	for { set j 0 } { $j < [llength $list_a] } { incr j } {
	245	set line_a [lindex $list_a $j]
	246
	247	if [regexp $line_a $line_b] then {
	248	lreplace $list_a $j $j "CAN NOT MATCH"
	249	break
	250	}
	251	}
	252
	253	if { $j >= [llength $list_a] } {
	254	verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
5a68afcf	255
16a57284 L	256	return 0
	257	}
	258	}
5a68afcf	259
16a57284 L	260	if { [llength $list_a] != [llength $list_b] } {
	261	verbose -log "Line count"
	262	return 0
	263	}
5a68afcf	264
16a57284 L	265	if $differences<1 then {
	266	return 1
	267	}
5a68afcf	268
16a57284 L	269	return 0
	270	} else {
	271	verbose -log "$exec_output"
	272	return 0
	273	}
	274
	275	}
	276
bd7c9df6	277	proc build_lib {test libname objs dynsymexp} {
b765d4e3	278	global CC
16a57284 L	279	global objdump
	280	global tmpdir
	281	global shared
	282	global srcdir
	283	global subdir
	284
bd7c9df6 L	285	set files ""
	286	foreach obj $objs {
	287	set files "$files $tmpdir/$obj"
	288	}
	289
d9816402	290	if {![ld_link $CC $tmpdir/$libname.so "$shared $files"]} {
16a57284 L	291	fail $test
	292	return
	293	}
	294
99753d9d	295	if {![string match "" $dynsymexp]
a664545d	296	&& ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
16a57284 L	297	fail $test
	298	return
	299	}
	300	pass $test
	301	}
	302
bd7c9df6	303	proc build_exec { test execname objs flags dat dynsymexp symexp} {
b765d4e3	304	global CC
16a57284 L	305	global objdump
16a57284 L	306	global tmpdir
16a57284 L	307	global srcdir
	308	global subdir
	309	global exec_output
1949ad04	310	global NOSANTIZE_CFLAGS
16a57284	311
bd7c9df6 L	312	set files ""
	313	foreach obj $objs {
	314	set files "$files $tmpdir/$obj"
	315	}
	316
1949ad04	317	if {![ld_link $CC $tmpdir/$execname "$flags $NOSANTIZE_CFLAGS $files"]} {
16a57284 L	318	fail "$test"
	319	return
	320	}
	321
	322	if {![string match "" $dynsymexp]} then {
	323	if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
	324	fail $test
	325	return
	326	}
	327	}
	328
	329	if {![string match "" $symexp]} then {
	330	if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
	331	fail $test
	332	return
	333	}
	334	}
	335
d9816402 AM	336	if ![isnative] {
	337	unsupported $test
	338	return
	339	}
16a57284 L	340	# Run the resulting program
	341	send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
	342	verbose "$tmpdir/$execname >$tmpdir/$execname.out"
	343	catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
	344	if ![string match "" $exec_output] then {
	345	send_log "$exec_output\n"
	346	verbose "$exec_output"
	347	fail $test
	348	return
	349	}
	350
	351	send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
	352	verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
	353	catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
	354	set exec_output [prune_warnings $exec_output]
	355
	356	if {![string match "" $exec_output]} then {
	357	send_log "$exec_output\n"
	358	verbose "$exec_output"
	359	fail $test
	360	return
	361	}
	362
	363	pass $test
	364	}
	365
fb35d3d8 DD	366	# Old version of GCC for MIPS default to enabling -fpic
	367	# and get confused if it is used on the command line.
	368	if { [istarget mips--*] && ! [at_least_gcc_version 4 3] } then {
16a57284 L	369	set picflag ""
	370	} else {
	371	# Unfortunately, the gcc argument is -fpic and the cc argument is
	372	# -KPIC. We have to try both.
	373	set picflag "-fpic"
	374	send_log "$CC $picflag\n"
	375	verbose "$CC $picflag"
	376	catch "exec $CC $picflag" exec_output
	377	send_log "$exec_output\n"
	378	verbose "--" "$exec_output"
99753d9d AM	379	if { [string match "illegal option" $exec_output]
	380	\|\| [string match "option ignored" $exec_output]
	381	\|\| [string match "unrecognized option" $exec_output]
16a57284	382	\|\| [string match "passed to ld" $exec_output] } {
c9098af4	383	set picflag "-KPIC"
16a57284 L	384	}
	385	}
	386	verbose "Using $picflag to compile PIC code"
	387
40363a91 AM	388	if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o]
	389	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o]
	390	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o]
	391	\|\| ![ld_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]
	392	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o]
	393	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o]
	394	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o]
	395	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o]
	396	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o]
	397	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/main1.c $tmpdir/main1.o]
	398	\|\| ![ld_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]
	399	\|\| ![ld_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]
	400	\|\| ![ld_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} then {
bd7c9df6	401	fail "ELF weak"
40363a91 AM	402	} else {
	403	build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym
	404	build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym
	405	build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym
	406	build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym
	407	build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym
	408	build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym
	409	build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
	410	build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
	411	build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym
	412	build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym
	413	build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym
	414	build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym
	415	build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym
	416	build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym
	417	build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym
	418	build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym
	419	build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym
	420	build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym
	421	build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
	422	build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
	423	build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,--no-as-needed,-rpath,.,-rpath-link,." weakdata weakdata.dsym ""
	424	build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,--no-as-needed,-rpath,.,-rpath-link,." weakdata weakdata.dsym ""
a664545d L	425	}
a664545d L	426
40363a91 AM	427	if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o]
	428	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar_s.o]
	429	\|\| ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o]
	430	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o]} then {
a664545d	431	unresolved "ELF weak (size)"
40363a91 AM	432	} else {
	433	build_lib "ELF DSO small bar (size)" libsize_bar_s "size_bar_s.o" ""
	434	build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar_s.so" ""
	435	build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" ""
	436	build_exec "ELF weak size" size_main "size_main.o libsize_foo.so libsize_bar.so" "-Wl,-rpath=.,-rpath-link=.,--no-as-needed" size "" ""
a664545d L	437	}
a664545d L	438
5cfd5a0c PB	439	verbose "size2"
5cfd5a0c PB	440	run_dump_test $srcdir/$subdir/size2
40363a91 AM	441
	442	if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/alias.c $tmpdir/alias.o]
	443	\|\| ![ld_link $CC $tmpdir/alias.so "$shared $tmpdir/alias.o"]
1949ad04	444	\|\| ![ld_compile "$CC $CFLAGS $NOSANTIZE_CFLAGS" $srcdir/$subdir/aliasmain.c $tmpdir/aliasmain.o]
40363a91 AM	445	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref1.c $tmpdir/weakref1.o]
	446	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref2.c $tmpdir/weakref2.o]} then {
	447	unresolved "ELF weak (alias)"
	448	} else {
	449	build_exec "ELF weak (alias)" alias "aliasmain.o weakref1.o weakref2.o alias.so" "-Wl,-rpath=.,--no-as-needed" alias "" ""
	450	}