Commit | Line | Data |
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252b5132 RH |
1 | # Test NOCROSSREFS in a linker script. |
2 | # By Ian Lance Taylor, Cygnus Support. | |
6f2750fe | 3 | # Copyright (C) 2000-2016 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 | |
7f6a71ff | 30 | if { ![is_remote host] && [which $CC] == 0 } { |
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 L |
44 | # Pass -fplt to CC since -fno-plt doesn't work with NOCROSSREFS tests. |
45 | global PLT_CFLAGS | |
46 | set old_CC "$CC" | |
47 | set CC "$CC $PLT_CFLAGS" | |
48 | ||
e0001a05 NC |
49 | # Xtensa targets currently default to putting literal values in a separate |
50 | # section and that requires linker script support, so put literals in text. | |
e0001a05 NC |
51 | if [istarget xtensa*-*-*] { |
52 | set CFLAGS "$CFLAGS -mtext-section-literals" | |
53 | } | |
54 | ||
97e5838e AM |
55 | # If we have a compiler that doesn't use/reference dot-symbols, then |
56 | # calls to functions reference the .opd section function descriptor. | |
57 | # This makes NOCROSSREFS rather useless on powerpc64. | |
14f2c476 | 58 | if [istarget powerpc64-*-*] { |
97e5838e AM |
59 | set CFLAGS "$CFLAGS -mcall-aixdesc" |
60 | } | |
61 | ||
4dcdce13 NC |
62 | # Prevent the use of the MeP's small data area which references a symbol |
63 | # called __sdabase which will not be defined by our test linker scripts. | |
64 | if [istarget mep*-*-elf] { | |
65 | set CFLAGS "-mtiny=0" | |
66 | } | |
67 | ||
ac145307 BS |
68 | # The .dsbt section and __c6xabi_DSBT_BASE are not defined in our test |
69 | # linker scripts. | |
70 | if [istarget tic6x*-*-*] { | |
71 | set CFLAGS "-mno-dsbt -msdata=none" | |
72 | } | |
73 | ||
252b5132 RH |
74 | if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \ |
75 | || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } { | |
76 | unresolved $test1 | |
77 | unresolved $test2 | |
14f2c476 | 78 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 79 | set CC "$old_CC" |
252b5132 RH |
80 | return |
81 | } | |
82 | ||
1688b748 | 83 | set flags [big_or_little_endian] |
252b5132 | 84 | |
1b19eb81 AO |
85 | if [istarget sh64*-*-elf] { |
86 | # This is what gcc passes to ld by default. | |
87 | set flags "-mshelf32" | |
88 | } | |
89 | ||
a9fa4610 CZ |
90 | # arc-elf32 requires the symbol __SDATA_BEGIN__ to always be present. |
91 | if [istarget arc*-*-elf32] { | |
92 | set flags "$flags --defsym=__SDATA_BEGIN__=0" | |
93 | } | |
94 | ||
08ccf96b L |
95 | # IA64 has both ordered and unordered sections in an input file. |
96 | setup_xfail ia64-*-* | |
97 | ||
7f6a71ff | 98 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"] |
252b5132 RH |
99 | |
100 | set exec_output [prune_warnings $exec_output] | |
101 | ||
102 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
103 | ||
104 | if [string match "" $exec_output] then { | |
105 | fail $test1 | |
106 | } else { | |
107 | verbose -log "$exec_output" | |
dbc37f89 | 108 | if [regexp "prohibited cross reference from .* to `.*foo' in" $exec_output] { |
252b5132 RH |
109 | pass $test1 |
110 | } else { | |
111 | fail $test1 | |
112 | } | |
113 | } | |
114 | ||
115 | # Check cross references within a single object. | |
116 | ||
117 | if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } { | |
118 | unresolved $test2 | |
14f2c476 | 119 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 120 | set CC "$old_CC" |
252b5132 RH |
121 | return |
122 | } | |
123 | ||
7f6a71ff | 124 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"] |
252b5132 RH |
125 | set exec_output [prune_warnings $exec_output] |
126 | ||
127 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
128 | ||
129 | if [string match "" $exec_output] then { | |
130 | fail $test2 | |
131 | } else { | |
132 | verbose -log "$exec_output" | |
133 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
134 | pass $test2 | |
135 | } else { | |
136 | fail $test2 | |
137 | } | |
138 | } | |
b239e909 L |
139 | |
140 | # Check cross references for ld -r | |
141 | ||
142 | if { ![ld_compile $CC "$srcdir/$subdir/cross4.c" tmpdir/cross4.o] } { | |
143 | unresolved $test3 | |
14f2c476 | 144 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 145 | set CC "$old_CC" |
b239e909 L |
146 | return |
147 | } | |
148 | ||
149 | if ![ld_relocate $ld tmpdir/cross3-partial.o "tmpdir/cross1.o tmpdir/cross4.o"] { | |
150 | unresolved $test3 | |
14f2c476 | 151 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 152 | set CC "$old_CC" |
b239e909 L |
153 | return |
154 | } | |
155 | ||
7f6a71ff | 156 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"] |
b239e909 L |
157 | |
158 | set exec_output [prune_warnings $exec_output] | |
159 | ||
160 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
161 | ||
162 | if [string match "" $exec_output] then { | |
163 | pass $test3 | |
164 | } else { | |
165 | verbose -log "$exec_output" | |
166 | fail $test3 | |
167 | } | |
14f2c476 | 168 | |
cdf96953 MF |
169 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross4 -T $srcdir/$subdir/cross4.t tmpdir/cross4.o"] |
170 | set exec_output [prune_warnings $exec_output] | |
171 | ||
172 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
173 | ||
174 | if [string match "" $exec_output] then { | |
175 | pass $test4 | |
176 | } else { | |
177 | verbose -log "$exec_output" | |
178 | fail $test4 | |
179 | } | |
180 | ||
181 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross5 -T $srcdir/$subdir/cross5.t tmpdir/cross4.o"] | |
182 | set exec_output [prune_warnings $exec_output] | |
183 | ||
184 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
185 | ||
186 | if [string match "" $exec_output] then { | |
187 | fail $test5 | |
188 | } else { | |
189 | verbose -log "$exec_output" | |
190 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
191 | pass $test5 | |
192 | } else { | |
193 | fail $test5 | |
194 | } | |
195 | } | |
196 | ||
197 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross6 -T $srcdir/$subdir/cross6.t tmpdir/cross3.o"] | |
198 | set exec_output [prune_warnings $exec_output] | |
199 | ||
200 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
201 | ||
202 | if [string match "" $exec_output] then { | |
203 | pass $test6 | |
204 | } else { | |
205 | verbose -log "$exec_output" | |
206 | fail $test6 | |
207 | } | |
208 | ||
209 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross7 -T $srcdir/$subdir/cross7.t tmpdir/cross3.o"] | |
210 | set exec_output [prune_warnings $exec_output] | |
211 | ||
212 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
213 | ||
214 | if [string match "" $exec_output] then { | |
215 | fail $test7 | |
216 | } else { | |
217 | verbose -log "$exec_output" | |
218 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
219 | pass $test7 | |
220 | } else { | |
221 | fail $test7 | |
222 | } | |
223 | } | |
224 | ||
14f2c476 | 225 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 226 | set CC "$old_CC" |