]>
Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # Test NOCROSSREFS in a linker script. |
2 | # By Ian Lance Taylor, Cygnus Support. | |
82704155 | 3 | # Copyright (C) 2000-2019 Free Software Foundation, Inc. |
a2b64bed | 4 | # |
f96b4a7b NC |
5 | # This file is part of the GNU Binutils. |
6 | # | |
7 | # This program is free software; you can redistribute it and/or modify | |
a2b64bed | 8 | # it under the terms of the GNU General Public License as published by |
f96b4a7b | 9 | # the Free Software Foundation; either version 3 of the License, or |
a2b64bed | 10 | # (at your option) any later version. |
f96b4a7b | 11 | # |
a2b64bed NC |
12 | # This program is distributed in the hope that it will be useful, |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
f96b4a7b | 16 | # |
a2b64bed NC |
17 | # You should have received a copy of the GNU General Public License |
18 | # along with this program; if not, write to the Free Software | |
f96b4a7b NC |
19 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | # MA 02110-1301, USA. | |
252b5132 RH |
21 | |
22 | set test1 "NOCROSSREFS 1" | |
23 | set test2 "NOCROSSREFS 2" | |
b239e909 | 24 | set test3 "NOCROSSREFS 3" |
cdf96953 MF |
25 | set test4 "NOCROSSREFS_TO 1" |
26 | set test5 "NOCROSSREFS_TO 2" | |
27 | set test6 "NOCROSSREFS_TO 3" | |
28 | set test7 "NOCROSSREFS_TO 4" | |
252b5132 | 29 | |
44ed8092 | 30 | if { ![check_compiler_available] } { |
252b5132 RH |
31 | untested $test1 |
32 | untested $test2 | |
b239e909 | 33 | untested $test3 |
cdf96953 MF |
34 | untested $test4 |
35 | untested $test5 | |
36 | untested $test6 | |
37 | untested $test7 | |
252b5132 RH |
38 | return |
39 | } | |
40 | ||
14f2c476 AM |
41 | global CFLAGS |
42 | set old_CFLAGS "$CFLAGS" | |
43 | ||
379d3f1f | 44 | # Pass -fplt to CC since -fno-plt doesn't work with NOCROSSREFS tests. |
e5c89b09 L |
45 | # Also add $NOPIE_CFLAGS since PIE doesn't work NOCROSSREFS tests. |
46 | global PLT_CFLAGS NOPIE_CFLAGS | |
379d3f1f | 47 | set old_CC "$CC" |
e5c89b09 | 48 | set CC "$CC $PLT_CFLAGS $NOPIE_CFLAGS" |
379d3f1f | 49 | |
e0001a05 NC |
50 | # Xtensa targets currently default to putting literal values in a separate |
51 | # section and that requires linker script support, so put literals in text. | |
e0001a05 NC |
52 | if [istarget xtensa*-*-*] { |
53 | set CFLAGS "$CFLAGS -mtext-section-literals" | |
54 | } | |
55 | ||
4dcdce13 NC |
56 | # Prevent the use of the MeP's small data area which references a symbol |
57 | # called __sdabase which will not be defined by our test linker scripts. | |
58 | if [istarget mep*-*-elf] { | |
59 | set CFLAGS "-mtiny=0" | |
60 | } | |
61 | ||
ac145307 BS |
62 | # The .dsbt section and __c6xabi_DSBT_BASE are not defined in our test |
63 | # linker scripts. | |
64 | if [istarget tic6x*-*-*] { | |
65 | set CFLAGS "-mno-dsbt -msdata=none" | |
66 | } | |
67 | ||
252b5132 RH |
68 | if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \ |
69 | || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } { | |
70 | unresolved $test1 | |
71 | unresolved $test2 | |
14f2c476 | 72 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 73 | set CC "$old_CC" |
252b5132 RH |
74 | return |
75 | } | |
76 | ||
1688b748 | 77 | set flags [big_or_little_endian] |
252b5132 | 78 | |
a9fa4610 CZ |
79 | # arc-elf32 requires the symbol __SDATA_BEGIN__ to always be present. |
80 | if [istarget arc*-*-elf32] { | |
81 | set flags "$flags --defsym=__SDATA_BEGIN__=0" | |
82 | } | |
83 | ||
08ccf96b L |
84 | # IA64 has both ordered and unordered sections in an input file. |
85 | setup_xfail ia64-*-* | |
86 | ||
7f6a71ff | 87 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"] |
252b5132 RH |
88 | |
89 | set exec_output [prune_warnings $exec_output] | |
90 | ||
91 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
92 | ||
93 | if [string match "" $exec_output] then { | |
94 | fail $test1 | |
95 | } else { | |
96 | verbose -log "$exec_output" | |
dbc37f89 | 97 | if [regexp "prohibited cross reference from .* to `.*foo' in" $exec_output] { |
252b5132 RH |
98 | pass $test1 |
99 | } else { | |
100 | fail $test1 | |
101 | } | |
102 | } | |
103 | ||
104 | # Check cross references within a single object. | |
105 | ||
106 | if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } { | |
107 | unresolved $test2 | |
14f2c476 | 108 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 109 | set CC "$old_CC" |
252b5132 RH |
110 | return |
111 | } | |
112 | ||
7f6a71ff | 113 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"] |
252b5132 RH |
114 | set exec_output [prune_warnings $exec_output] |
115 | ||
116 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
117 | ||
118 | if [string match "" $exec_output] then { | |
119 | fail $test2 | |
120 | } else { | |
121 | verbose -log "$exec_output" | |
122 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
123 | pass $test2 | |
124 | } else { | |
125 | fail $test2 | |
126 | } | |
127 | } | |
b239e909 L |
128 | |
129 | # Check cross references for ld -r | |
130 | ||
131 | if { ![ld_compile $CC "$srcdir/$subdir/cross4.c" tmpdir/cross4.o] } { | |
132 | unresolved $test3 | |
14f2c476 | 133 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 134 | set CC "$old_CC" |
b239e909 L |
135 | return |
136 | } | |
137 | ||
138 | if ![ld_relocate $ld tmpdir/cross3-partial.o "tmpdir/cross1.o tmpdir/cross4.o"] { | |
139 | unresolved $test3 | |
14f2c476 | 140 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 141 | set CC "$old_CC" |
b239e909 L |
142 | return |
143 | } | |
144 | ||
7f6a71ff | 145 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"] |
b239e909 L |
146 | |
147 | set exec_output [prune_warnings $exec_output] | |
148 | ||
149 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
150 | ||
151 | if [string match "" $exec_output] then { | |
152 | pass $test3 | |
153 | } else { | |
154 | verbose -log "$exec_output" | |
155 | fail $test3 | |
156 | } | |
14f2c476 | 157 | |
cdf96953 MF |
158 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross4 -T $srcdir/$subdir/cross4.t tmpdir/cross4.o"] |
159 | set exec_output [prune_warnings $exec_output] | |
160 | ||
161 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
162 | ||
163 | if [string match "" $exec_output] then { | |
164 | pass $test4 | |
165 | } else { | |
166 | verbose -log "$exec_output" | |
167 | fail $test4 | |
168 | } | |
169 | ||
170 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross5 -T $srcdir/$subdir/cross5.t tmpdir/cross4.o"] | |
171 | set exec_output [prune_warnings $exec_output] | |
172 | ||
173 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
174 | ||
175 | if [string match "" $exec_output] then { | |
176 | fail $test5 | |
177 | } else { | |
178 | verbose -log "$exec_output" | |
179 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
180 | pass $test5 | |
181 | } else { | |
182 | fail $test5 | |
183 | } | |
184 | } | |
185 | ||
186 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross6 -T $srcdir/$subdir/cross6.t tmpdir/cross3.o"] | |
187 | set exec_output [prune_warnings $exec_output] | |
188 | ||
189 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
190 | ||
191 | if [string match "" $exec_output] then { | |
192 | pass $test6 | |
193 | } else { | |
194 | verbose -log "$exec_output" | |
195 | fail $test6 | |
196 | } | |
197 | ||
198 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross7 -T $srcdir/$subdir/cross7.t tmpdir/cross3.o"] | |
199 | set exec_output [prune_warnings $exec_output] | |
200 | ||
201 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
202 | ||
203 | if [string match "" $exec_output] then { | |
204 | fail $test7 | |
205 | } else { | |
206 | verbose -log "$exec_output" | |
207 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
208 | pass $test7 | |
209 | } else { | |
210 | fail $test7 | |
211 | } | |
212 | } | |
213 | ||
14f2c476 | 214 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 215 | set CC "$old_CC" |