# Expect script for -z nosectionheader and --strip-section-headers tests
# Copyright (C) 2023-2025 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 (hongjiu.lu@intel.com)
#

if { ![is_elf_format] } {
    return
}

proc binutils_test { prog_name ld_options test readelf_expected nm_expected} {
    global as
    global ld
    global READELF
    global NM
    global objcopy
    global strip
    global srcdir
    global subdir
    global link_output

    eval set prog \$$prog_name

    set test_name "$prog_name --strip-section-headers $ld_options ($test)"

    if { ![ld_assemble $as $srcdir/$subdir/$test.s tmpdir/$test.o ] } {
	unresolved "$test_name"
	return
    }

    append ld_options " -z separate-code -z stack-size=0"
    if { ![ld_link $ld tmpdir/$test "$ld_options tmpdir/$test.o"] } {
	if { [string match "*not supported*" $link_output]
	     || [string match "*unrecognized option*" $link_output]
	     || [string match "*-z .* ignored*" $link_output] } {
	    unsupported "$ld_options is not supported by this target"
	} else {
	    unresolved "$test_name"
	}
	return
    }

    send_log "$prog --strip-section-headers tmpdir/$test\n"
    set got [remote_exec host "$prog --strip-section-headers tmpdir/$test"]
    if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	send_log "$got\n"
	fail "$test_name"
	return
    }

    send_log "$READELF -lSDs --wide tmpdir/$test > tmpdir/$test.out\n"
    set got [remote_exec host "$READELF -lSDs --wide tmpdir/$test" "" "/dev/null" "tmpdir/$test.out"]
    if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	send_log "$got\n"
	unresolved "$test_name"
	return
    }

    if { [regexp_diff "tmpdir/$test.out" "$srcdir/$subdir/$readelf_expected"] } then {
	fail "$test_name"
	return
    }

    if { [string match "*-shared *" $ld_options] } {
	send_log "$NM -D tmpdir/$test > tmpdir/$test.out\n"
	set got [remote_exec host "$NM -D tmpdir/$test" "" "/dev/null" "tmpdir/$test.out"]
	if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	    send_log "$got\n"
	    unresolved "$test_name"
	    return
	}

	if { [regexp_diff "tmpdir/$test.out" "$srcdir/$subdir/$nm_expected"] } then {
	    fail "$test_name"
	    return
	}
    }

    pass "$test_name"
}

if { [istarget "mips*-*-*"] } {
    set gnu_hash_style "sysv"
} else {
    set gnu_hash_style "gnu"
}

binutils_test objcopy "--hash-style=both" start start-noheader.rd \
	start-noheader.nd
binutils_test objcopy "--hash-style=gnu" start start-noheader.rd \
	start-noheader.nd
binutils_test objcopy "--hash-style=sysv" start start-noheader.rd \
	start-noheader.nd
binutils_test objcopy "--hash-style=both -shared" start \
	start-shared-noheader-$gnu_hash_style.rd start-shared-noheader.nd
binutils_test objcopy "--hash-style=gnu -shared" start \
	start-shared-noheader-$gnu_hash_style.rd start-shared-noheader.nd
binutils_test objcopy "--hash-style=sysv -shared" start \
	start-shared-noheader-sysv.rd start-shared-noheader.nd
binutils_test strip "--hash-style=both" start start-noheader.rd \
	start-noheader.nd
binutils_test strip "--hash-style=gnu" start start-noheader.rd \
	start-noheader.nd
binutils_test strip "--hash-style=sysv" start start-noheader.rd \
	start-noheader.nd
binutils_test strip "--hash-style=both -shared" start \
	start-shared-noheader-$gnu_hash_style.rd start-shared-noheader.nd
binutils_test strip "--hash-style=gnu -shared" start \
	start-shared-noheader-$gnu_hash_style.rd start-shared-noheader.nd
binutils_test strip "--hash-style=sysv -shared" start \
	start-shared-noheader-sysv.rd start-shared-noheader.nd


if { ![check_compiler_available] || ![check_shared_lib_support] } {
    return
}

proc binutils_run_test { prog } {
    global CC_FOR_TARGET
    global READELF
    global NM
    global objcopy
    global strip
    global srcdir
    global subdir
    # Add $NOPIE_CFLAGS and $NOPIE_LDFLAGS if non-PIE is required.
    global NOPIE_CFLAGS NOPIE_LDFLAGS

    set sec_hdr "sec-hdr"
    if { "$prog" == "" } {
	set prog_name none
    } else {
	set prog_name $prog
	set ld_options ""
	switch -- $prog {
	    objcopy
		{ set prog $objcopy }
	    strip
		{ set prog $strip }
	    default
		{
		    fail "Build pr25617-1a-no-sec-hdr.so ($prog_name)"
		    break
		}
	}
    }

    run_cc_link_tests [list \
	[list \
	    "Build pr25617-1a-no-sec-hdr.so ($prog_name)" \
	    "-shared -Wl,-z,separate-code,--hash-style=sysv" \
	    "-fPIC" \
	    {pr25617-1a.c} \
	    [list \
		[list "readelf" "-lWSDs" "pr25617-1a-$sec_hdr.rd"] \
		[list "nm" "-D" "pr25617-1a-no-sec-hdr.nd"] \
	    ]\
	    "pr25617-1a-no-sec-hdr.so" \
	] \
	[list \
	    "Build pr25617-1a-now-no-sec-hdr.so ($prog_name)" \
	    "-shared -Wl,-z,separate-code,-z,now,--hash-style=gnu" \
	    "-fPIC" \
	    {pr25617-1a.c} \
	    [list \
		[list "readelf" "-lWSDs" "pr25617-1a-$sec_hdr.rd"] \
		[list "nm" "-D" "pr25617-1a-no-sec-hdr.nd"] \
	    ]\
	    "pr25617-1a-now-no-sec-hdr.so" \
	] \
	[list \
	    "Build pr25617-1 (-z nosectionheader, $prog_name)" \
	    "$NOPIE_LDFLAGS -Wl,-z,separate-code,--no-as-needed \
	     -Wl,--hash-style=sysv -Wl,-z,nosectionheader \
	     tmpdir/pr25617-1a-no-sec-hdr.so" \
	    "$NOPIE_CFLAGS" \
	    {pr25617-1b.c} \
	    {{readelf -lWSDs pr25617-1-no-sec-hdr.rd} \
	     {nm -D pr25617-1-no-sec-hdr.nd}} \
	    "pr25617-1-no-sec-hdr" \
	] \
	[list \
	    "Build pr25617-1 (PIE, -z nosectionheader, $prog_name)" \
	    "-pie -Wl,-z,separate-code,--no-as-needed,--hash-style=gnu \
	     -Wl,-z,nosectionheader tmpdir/pr25617-1a-now-no-sec-hdr.so" \
	    "-fPIE" \
	    {pr25617-1b.c} \
	    {{readelf -lWSDs pr25617-1-no-sec-hdr.rd} \
	     {nm -D pr25617-1-no-sec-hdr.nd}} \
	    "pr25617-1-pie-no-sec-hdr" \
	] \
	[list \
	    "Build pr25617-1 (static, -z nosectionheader, $prog_name)" \
	    "-static -Wl,-z,separate-code -Wl,-z,nosectionheader" \
	    "" \
	    {pr25617-1a.c pr25617-1b.c} \
	    {{readelf -lSWDs pr25617-1-static-no-sec-hdr.rd}} \
	    "pr25617-1-static-no-sec-hdr" \
	] \
    ]

    run_ld_link_exec_tests [list \
	[list \
	    "Run pr25617-1 (-z nosectionheader, $prog_name)" \
	    "$NOPIE_LDFLAGS -Wl,-z,separate-code,--no-as-needed \
	     -Wl,--hash-style=sysv -Wl,-z,nosectionheader \
	     tmpdir/pr25617-1a-no-sec-hdr.so" \
	    "" \
	    {pr25617-1b.c} \
	    "pr25617-1-no-sec-hdr" \
	    "pass.out" \
	    "$NOPIE_CFLAGS" \
	] \
	[list \
	    "Run pr25617-1 (PIE, -z nosectionheader, $prog_name)" \
	    "-pie -Wl,-z,separate-code,--no-as-needed,--hash-style=gnu \
	     -Wl,-z,nosectionheader tmpdir/pr25617-1a-now-no-sec-hdr.so" \
	    "" \
	    {pr25617-1b.c} \
	    "pr25617-1-pie-no-sec-hdr" \
	    "pass.out" \
	    "-fPIE" \
	] \
	[list \
	    "Run pr25617-1 (static, -z nosectionheader, $prog_name)" \
	    "-static -Wl,-z,separate-code -Wl,-z,nosectionheader" \
	    "" \
	    {pr25617-1a.c pr25617-1b.c} \
	    "pr25617-1-static-no-sec-hdr" \
	    "pass.out" \
	] \
    ]

    if { "$prog_name" != "none" } {
	send_log "$prog --strip-section-headers tmpdir/pr25617-1a-no-sec-hdr.so\n"
	set got [remote_exec host "$prog --strip-section-headers tmpdir/pr25617-1a-no-sec-hdr.so"]
	if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	    send_log "$got\n"
	    fail "Update pr25617-1a-no-sec-hdr.so ($prog_name)"
	    return
	}

	send_log "$READELF -lWSDs tmpdir/pr25617-1a-no-sec-hdr.so > tmpdir/dump.out\n"
	set got [remote_exec host "$READELF -lWSDs tmpdir/pr25617-1a-no-sec-hdr.so" "" "/dev/null" "tmpdir/dump.out"]
	if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	    send_log "$got\n"
	    unresolved "Update pr25617-1a-no-sec-hdr.so ($prog_name)"
	    return
	}

	if { [regexp_diff "tmpdir/dump.out" "$srcdir/$subdir/pr25617-1a-no-sec-hdr.rd"] } then {
	    unresolved "Update pr25617-1a-no-sec-hdr.so ($prog_name)"
	    return
	}

	send_log "$NM -D tmpdir/pr25617-1a-no-sec-hdr.so > tmpdir/dump.out\n"
	set got [remote_exec host "$NM -D tmpdir/pr25617-1a-no-sec-hdr.so" "" "/dev/null" "tmpdir/dump.out"]
	if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	    send_log "$got\n"
	    unresolved "Update pr25617-1a-no-sec-hdr.so ($prog_name)"
	    return
	}

	if { [regexp_diff "tmpdir/dump.out" "$srcdir/$subdir/pr25617-1a-no-sec-hdr.nd"] } then {
	    unresolved "Update pr25617-1a-no-sec-hdr.so ($prog_name)"
	    return
	}

	if { [isnative] } {
	    send_log "tmpdir/pr25617-1-no-sec-hdr > tmpdir/pr25617-1.out\n"
	    catch "exec tmpdir/pr25617-1-no-sec-hdr > tmpdir/pr25617-1.out" got
	    if ![string match "" $got] then {
		send_log "$got\n"
		unresolved "Update pr25617-1a-no-sec-hdr.so ($prog_name)"
		return
	    }

	    send_log "diff tmpdir/pr25617-1.out $srcdir/$subdir/pass.out\n"
	    catch "exec diff tmpdir/pr25617-1.out $srcdir/$subdir/pass.out" got
	    if ![string match "" $got] then {
		send_log "$got\n"
		fail "Update pr25617-1a-no-sec-hdr.so ($prog_name)"
		return
	    }
	}

	pass "Update pr25617-1a-no-sec-hdr.so ($prog_name)"

	send_log "$prog --strip-section-headers tmpdir/pr25617-1a-now-no-sec-hdr.so\n"
	set got [remote_exec host "$prog --strip-section-headers tmpdir/pr25617-1a-now-no-sec-hdr.so"]
	if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	    send_log "$got\n"
	    fail "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
	    return
	}

	send_log "$READELF -lWSDs tmpdir/pr25617-1a-now-no-sec-hdr.so > tmpdir/dump.out\n"
	set got [remote_exec host "$READELF -lWSDs tmpdir/pr25617-1a-now-no-sec-hdr.so" "" "/dev/null" "tmpdir/dump.out"]
	if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	    send_log "$got\n"
	    unresolved "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
	    return
	}

	if { [regexp_diff "tmpdir/dump.out" "$srcdir/$subdir/pr25617-1a-no-sec-hdr.rd"] } then {
	    unresolved "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
	    return
	}

	send_log "$NM -D tmpdir/pr25617-1a-now-no-sec-hdr.so > tmpdir/dump.out\n"
	set got [remote_exec host "$NM -D tmpdir/pr25617-1a-now-no-sec-hdr.so" "" "/dev/null" "tmpdir/dump.out"]
	if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
	    send_log "$got\n"
	    unresolved "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
	    return
	}

	if { [regexp_diff "tmpdir/dump.out" "$srcdir/$subdir/pr25617-1a-no-sec-hdr.nd"] } then {
	    unresolved "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
	    return
	}

	if { [isnative] } {
	    send_log "tmpdir/pr25617-1-pie-no-sec-hdr > tmpdir/pr25617-1-pie.out\n"
	    catch "exec tmpdir/pr25617-1-pie-no-sec-hdr > tmpdir/pr25617-1-pie.out" got
	    if ![string match "" $got] then {
		send_log "$got\n"
		unresolved "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
		return
	    }

	    send_log "diff tmpdir/pr25617-1-pie.out $srcdir/$subdir/pass.out\n"
	    catch "exec diff tmpdir/pr25617-1-pie.out $srcdir/$subdir/pass.out" got
	    if ![string match "" $got] then {
		send_log "$got\n"
		fail "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
		return
	    }
	}

	set got [run_host_cmd $CC_FOR_TARGET "-o tmpdir/pr25617-1 tmpdir/pr25617-1b.o tmpdir/pr25617-1a-now-no-sec-hdr.so"]
	if ![string match "*pr25617-1a-now-no-sec-hdr.so*file in wrong format*" $got] then {
	    send_log "$got\n"
	    fail "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
	    return
	}

	pass "Update pr25617-1a-now-no-sec-hdr.so ($prog_name)"
     }
}

binutils_run_test ""
binutils_run_test objcopy
binutils_run_test strip