Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # Test NOCROSSREFS in a linker script. |
2 | # By Ian Lance Taylor, Cygnus Support. | |
b3adc24a | 3 | # Copyright (C) 2000-2020 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 $test7 | |
252b5132 RH |
38 | return |
39 | } | |
40 | ||
14f2c476 AM |
41 | set old_CFLAGS "$CFLAGS" |
42 | ||
379d3f1f | 43 | # Pass -fplt to CC since -fno-plt doesn't work with NOCROSSREFS tests. |
e5c89b09 | 44 | # Also add $NOPIE_CFLAGS since PIE doesn't work NOCROSSREFS tests. |
379d3f1f | 45 | set old_CC "$CC" |
e5c89b09 | 46 | set CC "$CC $PLT_CFLAGS $NOPIE_CFLAGS" |
379d3f1f | 47 | |
e0001a05 NC |
48 | # Xtensa targets currently default to putting literal values in a separate |
49 | # section and that requires linker script support, so put literals in text. | |
e0001a05 NC |
50 | if [istarget xtensa*-*-*] { |
51 | set CFLAGS "$CFLAGS -mtext-section-literals" | |
52 | } | |
53 | ||
4dcdce13 NC |
54 | # Prevent the use of the MeP's small data area which references a symbol |
55 | # called __sdabase which will not be defined by our test linker scripts. | |
56 | if [istarget mep*-*-elf] { | |
57 | set CFLAGS "-mtiny=0" | |
58 | } | |
59 | ||
ac145307 BS |
60 | # The .dsbt section and __c6xabi_DSBT_BASE are not defined in our test |
61 | # linker scripts. | |
62 | if [istarget tic6x*-*-*] { | |
63 | set CFLAGS "-mno-dsbt -msdata=none" | |
64 | } | |
65 | ||
252b5132 RH |
66 | if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \ |
67 | || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } { | |
68 | unresolved $test1 | |
69 | unresolved $test2 | |
14f2c476 | 70 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 71 | set CC "$old_CC" |
252b5132 RH |
72 | return |
73 | } | |
74 | ||
1688b748 | 75 | set flags [big_or_little_endian] |
252b5132 | 76 | |
a9fa4610 CZ |
77 | # arc-elf32 requires the symbol __SDATA_BEGIN__ to always be present. |
78 | if [istarget arc*-*-elf32] { | |
79 | set flags "$flags --defsym=__SDATA_BEGIN__=0" | |
80 | } | |
81 | ||
08ccf96b L |
82 | # IA64 has both ordered and unordered sections in an input file. |
83 | setup_xfail ia64-*-* | |
84 | ||
7f6a71ff | 85 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"] |
252b5132 RH |
86 | |
87 | set exec_output [prune_warnings $exec_output] | |
88 | ||
89 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
90 | ||
91 | if [string match "" $exec_output] then { | |
92 | fail $test1 | |
93 | } else { | |
94 | verbose -log "$exec_output" | |
dbc37f89 | 95 | if [regexp "prohibited cross reference from .* to `.*foo' in" $exec_output] { |
252b5132 RH |
96 | pass $test1 |
97 | } else { | |
98 | fail $test1 | |
99 | } | |
100 | } | |
101 | ||
102 | # Check cross references within a single object. | |
103 | ||
104 | if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } { | |
105 | unresolved $test2 | |
14f2c476 | 106 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 107 | set CC "$old_CC" |
252b5132 RH |
108 | return |
109 | } | |
110 | ||
7f6a71ff | 111 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"] |
252b5132 RH |
112 | set exec_output [prune_warnings $exec_output] |
113 | ||
114 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
115 | ||
116 | if [string match "" $exec_output] then { | |
117 | fail $test2 | |
118 | } else { | |
119 | verbose -log "$exec_output" | |
120 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
121 | pass $test2 | |
122 | } else { | |
123 | fail $test2 | |
124 | } | |
125 | } | |
b239e909 L |
126 | |
127 | # Check cross references for ld -r | |
128 | ||
129 | if { ![ld_compile $CC "$srcdir/$subdir/cross4.c" tmpdir/cross4.o] } { | |
130 | unresolved $test3 | |
14f2c476 | 131 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 132 | set CC "$old_CC" |
b239e909 L |
133 | return |
134 | } | |
135 | ||
136 | if ![ld_relocate $ld tmpdir/cross3-partial.o "tmpdir/cross1.o tmpdir/cross4.o"] { | |
137 | unresolved $test3 | |
14f2c476 | 138 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 139 | set CC "$old_CC" |
b239e909 L |
140 | return |
141 | } | |
142 | ||
7f6a71ff | 143 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"] |
b239e909 L |
144 | |
145 | set exec_output [prune_warnings $exec_output] | |
146 | ||
147 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
148 | ||
149 | if [string match "" $exec_output] then { | |
150 | pass $test3 | |
151 | } else { | |
152 | verbose -log "$exec_output" | |
153 | fail $test3 | |
154 | } | |
14f2c476 | 155 | |
cdf96953 MF |
156 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross4 -T $srcdir/$subdir/cross4.t tmpdir/cross4.o"] |
157 | set exec_output [prune_warnings $exec_output] | |
158 | ||
159 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
160 | ||
161 | if [string match "" $exec_output] then { | |
162 | pass $test4 | |
163 | } else { | |
164 | verbose -log "$exec_output" | |
165 | fail $test4 | |
166 | } | |
167 | ||
168 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross5 -T $srcdir/$subdir/cross5.t tmpdir/cross4.o"] | |
169 | set exec_output [prune_warnings $exec_output] | |
170 | ||
171 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
172 | ||
173 | if [string match "" $exec_output] then { | |
174 | fail $test5 | |
175 | } else { | |
176 | verbose -log "$exec_output" | |
177 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
178 | pass $test5 | |
179 | } else { | |
180 | fail $test5 | |
181 | } | |
182 | } | |
183 | ||
184 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross6 -T $srcdir/$subdir/cross6.t tmpdir/cross3.o"] | |
185 | set exec_output [prune_warnings $exec_output] | |
186 | ||
187 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
188 | ||
189 | if [string match "" $exec_output] then { | |
190 | pass $test6 | |
191 | } else { | |
192 | verbose -log "$exec_output" | |
193 | fail $test6 | |
194 | } | |
195 | ||
196 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross7 -T $srcdir/$subdir/cross7.t tmpdir/cross3.o"] | |
197 | set exec_output [prune_warnings $exec_output] | |
198 | ||
199 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
200 | ||
201 | if [string match "" $exec_output] then { | |
202 | fail $test7 | |
203 | } else { | |
204 | verbose -log "$exec_output" | |
205 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
206 | pass $test7 | |
207 | } else { | |
208 | fail $test7 | |
209 | } | |
210 | } | |
211 | ||
14f2c476 | 212 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 213 | set CC "$old_CC" |