aboutsummaryrefslogtreecommitdiff
path: root/ld/testsuite/ld-gc/gc.exp
blob: 422c3c31209087bb49636d20cd6f89f0f3ebceee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
# Expect script for ld-gc tests
#   Copyright (C) 2008-2019 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.

# These tests require --gc-sections
if ![check_gc_sections_available] {
    return
}

set cflags "-ffunction-sections -fdata-sections"
set objfile "tmpdir/gc.o"

# Add $NOPIE_CFLAGS and $NOPIE_LDFLAGS if non-PIE is required.
global NOPIE_CFLAGS NOPIE_LDFLAGS

if [istarget powerpc64*-*-*] {
    # otherwise with -mcmodel=medium gcc we get XPASSes.
    set cflags "$cflags -mminimal-toc"
}

if { [istarget m681*-*-*] || [istarget m68hc1*-*-*] } {
    # Otherwise tests FAIL due to _.frame
    set cflags "$cflags -fomit-frame-pointer -mshort"
}

if { [is_remote host] || [which $CC] != 0 } {
    ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
}

proc test_gc { testname filename linker ldflags} {
    global nm
    global srcdir
    global subdir
    global nm_output
    global objfile

    if ![file readable $objfile ] {
	untested $testname
	return
    }

    set outfile "tmpdir/$filename"
    set options "-L$srcdir/$subdir"
    append options " " $ldflags " " [ld_link_defsyms] " " $objfile

    if ![ld_link $linker $outfile $options] {
	fail $testname
	return
    }
    if ![ld_nm $nm "" $outfile] {
	unresolved $testname
	return
    }
    if {![info exists nm_output(used_func)] \
	    || ![info exists nm_output(used_var)]} {
	send_log "used sections do not exist\n"
	verbose "used sections do not exist"
	fail $testname
	return
    }
    #ppc64_elf_gc_mark_hook needs to be taught how to look through
    #the .toc section to properly mark variable sections for gc.
    setup_xfail "powerpc64*-*-*"
    if {[info exists nm_output(unused_func)] \
	    || [info exists nm_output(unused_var)]} {
	send_log "unused section still here\n"
	verbose "unused section still here"
	fail $testname
	return
    }
    pass $testname
}

test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"

run_dump_test "noent"
run_dump_test "abi-note"
run_dump_test "start"
run_dump_test "stop"
run_dump_test "pr19167"
if { [is_elf_format] } then {
    run_dump_test "all-debug-sections"
    run_dump_test "pr20882"
}

if { [is_elf_format] && [check_shared_lib_support] } then {
    set gasopt ""
    if { [istarget tic6x-*] } then {
	set gasopt "-mpic -mpid=near"
    }
    # These targets do not default to linking with shared libraries.
    set old_ldflags $LDFLAGS
    if { [istarget "mips*vr4100*-*-elf*"] \
	 || [istarget "mips*vr4300*-*-elf*"] \
	 || [istarget "mips*vr5000*-*-elf*"] } {
	append LDFLAGS " -call_shared"
    }
    if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
	|| ![ld_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
	fail libpersonality
    } else {
	run_dump_test "personality"
    }
    run_dump_test "pr18223"
    if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/pr20022a.s tmpdir/pr20022a.o]
	|| ![ld_link $ld tmpdir/pr20022.so "-shared --gc-sections tmpdir/pr20022a.o"] } then {
	fail pr20022
    } else {
	run_dump_test "pr20022"
    }
    set LDFLAGS $old_ldflags
}

if { [is_remote host] || [which $CC] != 0 } {
    if { [istarget "*-*-linux*"]
	 || [istarget "*-*-nacl*"]
	 || [istarget "*-*-gnu*"] } {
	ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o
	ld_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o"
 	ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o
	run_dump_test "pr11218"
    }
}

if { [is_remote host] || [which $CC] != 0 } {
	ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o
	run_dump_test "pr13683"
}

if { [is_remote host] || [which $CC] != 0 } {
    ld_compile "$CC $CFLAGS $cflags $NOPIE_CFLAGS" $srcdir/$subdir/pr14265.c tmpdir/pr14265.o
    run_dump_test "pr14265"
}

if { [is_remote host] || [which $CC] != 0 } {
    ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-1.c tmpdir/pr19161-1.o
    ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-2.c tmpdir/pr19161-2.o
    run_dump_test "pr19161"
}

if { [is_elf_format] && [check_shared_lib_support] \
     && ([is_remote host] || [which $CC] != 0) } {
    run_cc_link_tests [list \
	[list \
	    "Build libpr20306.so" \
	    "-shared" \
	    "-fPIC" \
	    {pr20306.c} \
	    {} \
	    "libpr20306.so" \
	] \
    ]
    run_dump_test "pr20306"
}

if { [is_elf_format] } then {
    run_dump_test "skip-map-discarded"
}