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

# Expect script for ld-weak tests
#   Copyright (C) 2001-2019 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 { [which $CC] == 0 } {
    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"


#
# 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

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

    if {![ld_link $CC $tmpdir/$execname "$flags $files"]} {
	fail "$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" $srcdir/$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
82704155	2	# Copyright (C) 2001-2019 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 AM	25	# Check to see if the C compiler works
	26	if { [which $CC] == 0 } {
	27	return
	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
5940a93c	68
16a57284 L	69	#
	70	# objdump_symstuff
	71	# Dump non-dynamic symbol stuff and make sure that it is sane.
	72	#
	73	proc objdump_symstuff { objdump object expectfile } {
	74	global SOBJDUMP_FLAGS
	75	global version_output
	76	global diff
	77	global tmpdir
	78
	79	if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
	80
4e95fbcd AM	81	set cmd "$objdump $SOBJDUMP_FLAGS $object \| sed -n {s/^\\(\[0-9a-f\]* \\)\\(\[gw\]\\)\\( \\)\\(\[FO\]\\)/\\1\\2\\4\\3/;/foo$/p} > $tmpdir/objdump.out"
	82	verbose -log $cmd
	83	catch "exec $cmd" exec_output
16a57284 L	84	set exec_output [prune_warnings $exec_output]
	85	if [string match "" $exec_output] then {
	86
	87	# Now do a line-by-line comparison to effectively diff the darned things
	88	# The stuff coming from the expectfile is actually a regex, so we can
	89	# skip over the actual addresses and so forth. This is currently very
	90	# simpleminded - it expects a one-to-one correspondence in terms of line
	91	# numbers.
	92
	93	if [file exists $expectfile] then {
	94	set file_a [open $expectfile r]
	95	} else {
	96	perror "$expectfile doesn't exist"
	97	return 0
	98	}
5a68afcf	99
16a57284 L	100	if [file exists $tmpdir/objdump.out] then {
	101	set file_b [open $tmpdir/objdump.out r]
	102	} else {
	103	perror "$tmpdir/objdump.out doesn't exist"
	104	return 0
	105	}
	106
	107	verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
	108
	109	set eof -1
	110	set differences 0
	111
	112	while { [gets $file_a line] != $eof } {
	113	if [regexp "^#.*$" $line] then {
	114	continue
	115	} else {
	116	lappend list_a $line
	117	}
	118	}
	119	close $file_a
	120
	121	while { [gets $file_b line] != $eof } {
4e95fbcd AM	122	if [regexp {\.text.* \.[^ ]*$} $line] then {
4e95fbcd AM	123	# Discard defined powerpc64 dot-symbols
16a57284 L	124	continue
	125	} else {
	126	lappend list_b $line
	127	}
	128	}
	129	close $file_b
5a68afcf	130
16a57284 L	131	for { set i 0 } { $i < [llength $list_a] } { incr i } {
	132	set line_a [lindex $list_a $i]
	133	set line_b [lindex $list_b $i]
5a68afcf	134
16a57284 L	135
	136	verbose "\t$expectfile: $i: $line_a" 3
	137	verbose "\t/tmp/objdump.out: $i: $line_b" 3
	138	if [regexp $line_a $line_b] then {
	139	continue
	140	} else {
	141	verbose -log "\t$expectfile: $i: $line_a"
	142	verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
5a68afcf	143
16a57284 L	144	return 0
	145	}
	146	}
5a68afcf	147
16a57284 L	148	if { [llength $list_a] != [llength $list_b] } {
	149	verbose -log "Line count"
	150	return 0
	151	}
5a68afcf	152
16a57284 L	153	if $differences<1 then {
	154	return 1
	155	}
5a68afcf	156
16a57284 L	157	return 0
	158	} else {
	159	verbose -log "$exec_output"
	160	return 0
	161	}
	162
	163	}
	164
	165	#
	166	# objdump_dymsymstuff
	167	# Dump dynamic symbol stuff and make sure that it is sane.
	168	#
	169	proc objdump_dynsymstuff { objdump object expectfile } {
	170	global DOBJDUMP_FLAGS
	171	global version_output
	172	global diff
	173	global tmpdir
	174
	175	if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
	176
4e95fbcd AM	177	set cmd "$objdump $DOBJDUMP_FLAGS $object \| grep foo$ > $tmpdir/objdump.out"
	178	verbose -log $cmd
	179	catch "exec $cmd" exec_output
16a57284 L	180	set exec_output [prune_warnings $exec_output]
	181	if [string match "" $exec_output] then {
	182
	183	# Now do a line-by-line comparison to effectively diff the darned things
	184	# The stuff coming from the expectfile is actually a regex, so we can
	185	# skip over the actual addresses and so forth. This is currently very
	186	# simpleminded - it expects a one-to-one correspondence in terms of line
	187	# numbers.
	188
	189	if [file exists $expectfile] then {
	190	set file_a [open $expectfile r]
	191	} else {
	192	warning "$expectfile doesn't exist"
	193	return 0
	194	}
5a68afcf	195
16a57284 L	196	if [file exists $tmpdir/objdump.out] then {
	197	set file_b [open $tmpdir/objdump.out r]
	198	} else {
	199	fail "$tmpdir/objdump.out doesn't exist"
	200	return 0
	201	}
	202
	203	verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
	204
	205	set eof -1
	206	set differences 0
	207
	208	while { [gets $file_a line] != $eof } {
	209	if [regexp "^#.*$" $line] then {
	210	continue
	211	} else {
	212	lappend list_a $line
	213	}
	214	}
	215	close $file_a
	216
	217	while { [gets $file_b line] != $eof } {
4e95fbcd AM	218	if [regexp {\.text.* \.[^ ]*$} $line] then {
4e95fbcd AM	219	# Discard defined powerpc64 dot-symbols
16a57284 L	220	continue
	221	} else {
	222	lappend list_b $line
	223	}
	224	}
	225	close $file_b
5a68afcf	226
16a57284 L	227	for { set i 0 } { $i < [llength $list_b] } { incr i } {
16a57284 L	228	set line_b [lindex $list_b $i]
5a68afcf	229
16a57284 L	230	# The tests are rigged so that we should never export a symbol with the
	231	# word 'hide' in it. Thus we just search for it, and bail if we find it.
	232	if [regexp "hide" $line_b] then {
	233	verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
5a68afcf	234
16a57284 L	235	return 0
	236	}
	237
	238	verbose "\t$expectfile: $i: $line_b" 3
	239
	240	# We can't assume that the sort is consistent across
	241	# systems, so we must check each regexp. When we find a
	242	# regexp, we null it out, so we don't match it twice.
	243	for { set j 0 } { $j < [llength $list_a] } { incr j } {
	244	set line_a [lindex $list_a $j]
	245
	246	if [regexp $line_a $line_b] then {
	247	lreplace $list_a $j $j "CAN NOT MATCH"
	248	break
	249	}
	250	}
	251
	252	if { $j >= [llength $list_a] } {
	253	verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
5a68afcf	254
16a57284 L	255	return 0
	256	}
	257	}
5a68afcf	258
16a57284 L	259	if { [llength $list_a] != [llength $list_b] } {
	260	verbose -log "Line count"
	261	return 0
	262	}
5a68afcf	263
16a57284 L	264	if $differences<1 then {
	265	return 1
	266	}
5a68afcf	267
16a57284 L	268	return 0
	269	} else {
	270	verbose -log "$exec_output"
	271	return 0
	272	}
	273
	274	}
	275
bd7c9df6	276	proc build_lib {test libname objs dynsymexp} {
b765d4e3	277	global CC
16a57284 L	278	global objdump
	279	global tmpdir
	280	global shared
	281	global srcdir
	282	global subdir
	283
bd7c9df6 L	284	set files ""
	285	foreach obj $objs {
	286	set files "$files $tmpdir/$obj"
	287	}
	288
d9816402	289	if {![ld_link $CC $tmpdir/$libname.so "$shared $files"]} {
16a57284 L	290	fail $test
	291	return
	292	}
	293
99753d9d	294	if {![string match "" $dynsymexp]
a664545d	295	&& ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
16a57284 L	296	fail $test
	297	return
	298	}
	299	pass $test
	300	}
	301
bd7c9df6	302	proc build_exec { test execname objs flags dat dynsymexp symexp} {
b765d4e3	303	global CC
16a57284 L	304	global objdump
16a57284 L	305	global tmpdir
16a57284 L	306	global srcdir
	307	global subdir
	308	global exec_output
	309
bd7c9df6 L	310	set files ""
	311	foreach obj $objs {
	312	set files "$files $tmpdir/$obj"
	313	}
	314
d9816402	315	if {![ld_link $CC $tmpdir/$execname "$flags $files"]} {
16a57284 L	316	fail "$test"
	317	return
	318	}
	319
	320	if {![string match "" $dynsymexp]} then {
	321	if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
	322	fail $test
	323	return
	324	}
	325	}
	326
	327	if {![string match "" $symexp]} then {
	328	if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
	329	fail $test
	330	return
	331	}
	332	}
	333
d9816402 AM	334	if ![isnative] {
	335	unsupported $test
	336	return
	337	}
16a57284 L	338	# Run the resulting program
	339	send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
	340	verbose "$tmpdir/$execname >$tmpdir/$execname.out"
	341	catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
	342	if ![string match "" $exec_output] then {
	343	send_log "$exec_output\n"
	344	verbose "$exec_output"
	345	fail $test
	346	return
	347	}
	348
	349	send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
	350	verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
	351	catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
	352	set exec_output [prune_warnings $exec_output]
	353
	354	if {![string match "" $exec_output]} then {
	355	send_log "$exec_output\n"
	356	verbose "$exec_output"
	357	fail $test
	358	return
	359	}
	360
	361	pass $test
	362	}
	363
fb35d3d8 DD	364	# Old version of GCC for MIPS default to enabling -fpic
	365	# and get confused if it is used on the command line.
	366	if { [istarget mips--*] && ! [at_least_gcc_version 4 3] } then {
16a57284 L	367	set picflag ""
	368	} else {
	369	# Unfortunately, the gcc argument is -fpic and the cc argument is
	370	# -KPIC. We have to try both.
	371	set picflag "-fpic"
	372	send_log "$CC $picflag\n"
	373	verbose "$CC $picflag"
	374	catch "exec $CC $picflag" exec_output
	375	send_log "$exec_output\n"
	376	verbose "--" "$exec_output"
99753d9d AM	377	if { [string match "illegal option" $exec_output]
	378	\|\| [string match "option ignored" $exec_output]
	379	\|\| [string match "unrecognized option" $exec_output]
16a57284	380	\|\| [string match "passed to ld" $exec_output] } {
c9098af4	381	set picflag "-KPIC"
16a57284 L	382	}
	383	}
	384	verbose "Using $picflag to compile PIC code"
	385
40363a91 AM	386	if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o]
	387	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o]
	388	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o]
	389	\|\| ![ld_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]
	390	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o]
	391	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o]
	392	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o]
	393	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o]
	394	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o]
	395	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/main1.c $tmpdir/main1.o]
	396	\|\| ![ld_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]
	397	\|\| ![ld_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]
	398	\|\| ![ld_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} then {
bd7c9df6	399	fail "ELF weak"
40363a91 AM	400	} else {
	401	build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym
	402	build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym
	403	build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym
	404	build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym
	405	build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym
	406	build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym
	407	build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
	408	build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
	409	build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym
	410	build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym
	411	build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym
	412	build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym
	413	build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym
	414	build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym
	415	build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym
	416	build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym
	417	build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym
	418	build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym
	419	build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
	420	build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
	421	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 ""
	422	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	423	}
a664545d L	424
40363a91 AM	425	if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o]
	426	\|\| ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar_s.o]
	427	\|\| ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o]
	428	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o]} then {
a664545d	429	unresolved "ELF weak (size)"
40363a91 AM	430	} else {
	431	build_lib "ELF DSO small bar (size)" libsize_bar_s "size_bar_s.o" ""
	432	build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar_s.so" ""
	433	build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" ""
	434	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	435	}
a664545d L	436
5cfd5a0c PB	437	verbose "size2"
5cfd5a0c PB	438	run_dump_test $srcdir/$subdir/size2
40363a91 AM	439
	440	if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/alias.c $tmpdir/alias.o]
	441	\|\| ![ld_link $CC $tmpdir/alias.so "$shared $tmpdir/alias.o"]
	442	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/aliasmain.c $tmpdir/aliasmain.o]
	443	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref1.c $tmpdir/weakref1.o]
	444	\|\| ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref2.c $tmpdir/weakref2.o]} then {
	445	unresolved "ELF weak (alias)"
	446	} else {
	447	build_exec "ELF weak (alias)" alias "aliasmain.o weakref1.o weakref2.o alias.so" "-Wl,-rpath=.,--no-as-needed" alias "" ""
	448	}