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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
# Expect script for LD selective linking tests
# Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004
# Free Software Foundation, Inc.
#
# 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 2 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 Catherine Moore (clm@cygnus.com)
# Make sure that constructors are handled correctly.
# Only ELF based ports support selective linking
if ![is_elf_format] {
return
}
# Alpha and IA64 do not support selective linking
if {[istarget "alpha*-*-*"] || [istarget "ia64-*-*"]} {
return
}
# List contains test-items with three items followed by four lists:
# 1:name 2:test-type (CC or C++; add as needed) 3:filename 4:ld-flags
# 5:must-have-symbols 6:must-not-have-symbols 7:xfail-targets.
#
# If a must(-not)-have symbol is a list, then that list must have two
# items; the symbol name and a value the symbol must (not) have.
#
# Note: ld_nm trims leading `_' from _start
#
# FIXME: Instead of table, read settings from each source-file.
set seltests {
{selective1 C 1.c {} {} {dropme1 dropme2} {}}
{selective2 C 2.c {} {} {foo} {}}
{selective3 C 2.c {-u foo} {foo} {{foo 0}} {}}
{selective4 C++ 3.cc {} {start a A::foo() B::foo()} {A::bar()} {mips*-*}}
{selective5 C++ 4.cc {} {start a A::bar()} {A::foo() B::foo()} {mips*-*}}
{selective6 C++ 5.cc {} {start a A::bar()}
{A::foo() B::foo() dropme1() dropme2()} {*-*-*}}
}
set cflags "-w -O -ffunction-sections -fdata-sections"
set cxxflags "-fvtable-gc -fno-exceptions -fno-rtti"
set ldflags "--gc-sections -Bstatic"
if [istarget mips*-*] {
# MIPS16 doesn't support PIC code.
set cflags "-mno-abicalls $cflags"
# MIPS ELF uses __start by default, we override it.
set ldflags "-e _start $ldflags"
}
if [istarget sh64*-*-elf] {
# This is what gcc passes to ld by default, plus switch to the
# "usual" ELF _start (shelf32 normally uses just `start' for COFF
# compatibility)
set ldflags "-e _start -mshelf32 $ldflags"
}
# If we don't have g++ for the target, mark all tests as untested.
if { [which $CXX] == 0 } {
foreach testitem $seltests {
untested "[lindex $testitem 0]"
}
return
}
foreach testitem $seltests {
set testname [lindex $testitem 0]
set testtype [lindex $testitem 1]
set testfile [lindex $testitem 2]
set objfile "tmpdir/[file rootname $testfile].o"
set ldfile "tmpdir/[file rootname $testfile].x"
set failed 0
set ldargs [lindex $testitem 3]
set mustsyms [lindex $testitem 4]
set mustnotsyms [lindex $testitem 5]
set xfails [lindex $testitem 6]
foreach xfail_target $xfails {
setup_xfail $xfail_target
}
setup_xfail "arc*-*" "d30v*-*" "dlx*-*" "i370*-*" "i860*-*"
setup_xfail "i960*-*" "mn10200-*" "or32-*" "pj-*"
# It's either C or C++ at the moment.
if { $testtype == "C++" } {
set testflags "$cflags $cxxflags"
if [string match "*gcc*" [lindex $CC 0]] {
# Starting with 3.4.0, -fvtable-gc is no longer supported and thus
# the functionality we try to test for cannot be expected to work.
catch "exec -- $CC -dumpversion" version
if [regexp "^(\[1-9\]\[0-9\]+|\[4-9\]|3.(\[1-9\]\[0-9\]+|\[4-9\]))\\." $version] {
setup_xfail {*-*-*}
}
}
} {
set testflags "$cflags"
}
# Note that we do not actually *use* CXX; we just add cxxflags for C++
# tests. It might have been a buglet originally; now I think better
# leave as is.
if { ![ld_compile "$CC $testflags" $srcdir/$subdir/$testfile $objfile] } {
unresolved $testname
continue
}
# V850 targets need libgcc.a
if [istarget v850*-*-elf] {
catch "exec $CC -print-libgcc-file-name" libgcc
set objfile "$objfile $libgcc"
}
# ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided
if {[istarget arm-*-*] || [istarget xscale-*-*]} {
catch "exec $CC -print-libgcc-file-name" libgcc
set objfile "$objfile $libgcc"
}
# HPPA linux targets need libgcc.a for millicode routines ($$dyncall).
if [istarget hppa*-*-linux*] {
catch "exec $CC -print-libgcc-file-name" libgcc
set objfile "$objfile $libgcc"
}
# m6811/m6812 code has references to soft registers.
if {[istarget m6811-*-*] || [istarget m6812-*-*]} {
set objfile "$objfile --defsym _.frame=0 --defsym _.d1=0"
set objfile "$objfile --defsym _.d2=0"
}
if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] {
fail $testname
continue
}
if ![ld_nm $nm --demangle $ldfile] {
unresolved $testname
continue
}
# Must make V2 demangled names look like V3
foreach nm_output_key [array names nm_output] {
if [regsub \\(void\\) $nm_output_key () new_nm_output_key] {
set nm_output($new_nm_output_key) nm_output($nm_output_key)
}
}
# Check each mandated symbol and optionally mandated values.
foreach mustsym $mustsyms {
if { [llength [concat $mustsym]] == 1 } {
if { ![info exists nm_output($mustsym)] } {
verbose -log "$testname: missing $mustsym"
fail $testname
set failed 1
break
}
} {
set mustsymname [lindex $mustsym 0]
set mustsymvalue [lindex $mustsym 1]
if { ![info exists nm_output($mustsymname)] } {
verbose -log "$testname: missing $mustsymname"
fail $testname
set failed 1
break
} {
if { $nm_output($mustsymname) != $mustsymvalue } {
verbose -log "$testname: $mustsymname != $mustsymvalue"
verbose -log "is instead $nm_output($mustsymname)"
fail $testname
set failed 1
break
}
}
}
}
if { $failed != 0 } {
continue
}
# Check each unwanted symbol, or that symbols do not have specific
# values.
foreach mustnotsym $mustnotsyms {
if { [llength [concat $mustnotsym]] == 1 } {
if { [info exists nm_output($mustnotsym)] } {
verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)"
fail $testname
set failed 1
break
}
} {
set mustnotsymname [lindex $mustnotsym 0]
set mustnotsymvalue [lindex $mustnotsym 1]
if { [info exists nm_output($mustnotsymname)] \
&& $nm_output($mustnotsymname) == $mustnotsymvalue} {
verbose -log "$testname: $mustnotsymname == $mustnotsymvalue"
fail $testname
set failed 1
break
}
}
}
if { $failed == 0 } {
pass $testname
}
}
|