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252b5132 | 1 | # Basic expect script for LD Regression Tests |
2571583a | 2 | # Copyright (C) 1993-2017 Free Software Foundation, Inc. |
252b5132 | 3 | # |
f96b4a7b NC |
4 | # This file is part of the GNU Binutils. |
5 | # | |
252b5132 RH |
6 | # This file is free software; you can redistribute it and/or modify |
7 | # it under the terms of the GNU General Public License as published by | |
f96b4a7b | 8 | # the Free Software Foundation; either version 3 of the License, or |
252b5132 RH |
9 | # (at your option) any later version. |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
17 | # along with this program; if not, write to the Free Software | |
f96b4a7b NC |
18 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | # MA 02110-1301, USA. | |
252b5132 RH |
20 | # |
21 | # Written by Jeffrey Wheat (cassidy@cygnus.com) | |
22 | # | |
23 | ||
24 | if ![info exists ld] then { | |
25 | set ld [findfile $base_dir/ld-new $base_dir/ld-new [transform ld]] | |
26 | } | |
27 | ||
28 | if ![info exists as] then { | |
29 | set as [findfile $base_dir/../gas/as-new $base_dir/../gas/as-new [transform as]] | |
30 | } | |
31 | ||
32 | if ![info exists nm] then { | |
33 | set nm [findfile $base_dir/../binutils/nm-new $base_dir/../binutils/nm-new [transform nm]] | |
34 | } | |
35 | ||
36 | if ![info exists objdump] then { | |
37 | set objdump [findfile $base_dir/../binutils/objdump] | |
38 | } | |
39 | ||
40 | if ![info exists objcopy] then { | |
41 | set objcopy [findfile $base_dir/../binutils/objcopy] | |
42 | } | |
43 | ||
44 | if ![info exists ar] then { | |
45 | set ar [findfile $base_dir/../binutils/ar] | |
46 | } | |
47 | ||
48 | if ![info exists strip] then { | |
49 | set strip [findfile $base_dir/../binutils/strip-new $base_dir/../binutils/strip-new [transform strip]] | |
50 | } | |
51 | ||
7b19bec2 AM |
52 | if ![info exists size] then { |
53 | set size [findfile $base_dir/../binutils/size] | |
54 | } | |
55 | ||
7f6a71ff | 56 | remote_exec host "mkdir -p tmpdir" |
252b5132 | 57 | |
f1d7f4a6 AM |
58 | # Make symlinks from tmpdir/ld to the linker and assembler in the |
59 | # build tree, so that we can use a -B option to gcc to force it to use | |
60 | # the newly built linker and assembler. | |
b765d4e3 L |
61 | if {![file isdirectory tmpdir/ld]} then { |
62 | catch "exec mkdir tmpdir/ld" status | |
63 | catch "exec ln -s ../../ld-new tmpdir/ld/ld" status | |
3499cebd | 64 | catch "exec ln -s ld tmpdir/ld/collect-ld" status |
f1d7f4a6 | 65 | catch "exec ln -s ../../../gas/as-new tmpdir/ld/as" status |
b765d4e3 | 66 | } |
f1d7f4a6 | 67 | set gcc_B_opt "-B[pwd]/tmpdir/ld/" |
b765d4e3 | 68 | |
cdaeef2e | 69 | # load the linker path |
f1d7f4a6 | 70 | set ld_L_opt "" |
99c05fe4 MM |
71 | if {[file exists tmpdir/libpath.exp]} { |
72 | load_lib tmpdir/libpath.exp | |
cdaeef2e | 73 | |
99c05fe4 | 74 | foreach dir $libpath { |
f1d7f4a6 | 75 | append ld_L_opt " -L$dir" |
99c05fe4 MM |
76 | } |
77 | } | |
78 | ||
647e4d46 L |
79 | # Many ELF testcases expect that "-z relro" is off. |
80 | set ld_elf_shared_opt "-z norelro" | |
81 | ||
99c05fe4 MM |
82 | # The "make check" target in the Makefile passes in |
83 | # "CC=$(CC_FOR_TARGET)". But, if the user invokes runtest directly | |
dae043d2 | 84 | # (as when testing an installed linker), these flags may not be set. |
99c05fe4 | 85 | if {![info exists CC]} { |
dae043d2 MM |
86 | set CC [find_gcc] |
87 | } | |
88 | if {![info exists CFLAGS]} { | |
89 | set CFLAGS "-g -O2" | |
90 | } | |
91 | if {![info exists CXX]} { | |
92 | set CXX [find_g++] | |
93 | } | |
94 | if {![info exists CXXFLAGS]} { | |
95 | set CXXFLAGS "" | |
cdaeef2e L |
96 | } |
97 | ||
697380b3 AO |
98 | # The mips64-*-linux-gnu compiler defaults to the N32 ABI after |
99 | # installed, but to the O32 ABI in the build tree, because of some | |
100 | # specs-file hacks. Make sure we use an ABI that is compatible with | |
101 | # the one we expect. | |
102 | if {[istarget mips64*-*-linux*] && | |
103 | (![board_info [target_info name] exists multilib_flags] || | |
104 | ![string match "*-mabi" [board_info [target_info name] multilib_flags]]) | |
105 | } { | |
f1d7f4a6 | 106 | append gcc_B_opt " -mabi=n32" |
697380b3 AO |
107 | } |
108 | ||
e5719043 NC |
109 | if { [istarget rx-*-*] } { |
110 | global ASFLAGS | |
111 | set ASFLAGS "-muse-conventional-section-names" | |
112 | } | |
113 | ||
252b5132 RH |
114 | # load the utility procedures |
115 | load_lib ld-lib.exp | |
116 | ||
252b5132 RH |
117 | proc get_target_emul {} { |
118 | global target_triplet | |
119 | global srcdir | |
120 | set status [catch "exec sh -c \"targ='$target_triplet' && . $srcdir/../configure.tgt && echo \\\$targ_emul\"" result] | |
121 | if $status { error "Error getting emulation name: $result" } | |
122 | return $result | |
123 | } | |
124 | ||
252b5132 RH |
125 | if ![info exists HOSTING_EMU] { set HOSTING_EMU "-m [get_target_emul]" } |
126 | ||
127 | # | |
128 | # ld_version -- extract and print the version number of ld compiler (GCC) | |
129 | # | |
130 | proc ld_version {} { | |
131 | global ld | |
132 | default_ld_version $ld | |
133 | } | |
134 | ||
135 | # | |
136 | # ld_exit -- just a stub for ld | |
137 | # | |
138 | proc ld_exit {} { | |
139 | } | |
140 | ||
141 | # | |
142 | # ld_start | |
143 | # relink the linker | |
144 | # | |
145 | proc ld_start { ld target } { | |
146 | # | |
147 | } | |
148 | ||
149 | # | |
150 | # ld_relocate | |
151 | # link an object using relocation | |
152 | # | |
153 | proc ld_relocate { ld target objects } { | |
154 | default_ld_relocate $ld $target $objects | |
155 | } | |
156 | ||
157 | # | |
158 | # ld_link | |
159 | # link a program using ld | |
160 | # | |
161 | proc ld_link { ld target objects } { | |
162 | default_ld_link $ld $target $objects | |
163 | } | |
164 | ||
252b5132 RH |
165 | # |
166 | # ld_compile | |
167 | # compile an object using $cc | |
168 | # | |
169 | proc ld_compile { cc source object } { | |
170 | default_ld_compile $cc $source $object | |
171 | } | |
172 | ||
173 | # | |
174 | # ld_assemble | |
175 | # assemble a file | |
176 | # | |
177 | proc ld_assemble { as source object } { | |
de1491f0 BS |
178 | default_ld_assemble $as "" $source $object |
179 | } | |
180 | ||
181 | # | |
182 | # ld_assemble_flags | |
183 | # assemble a file with extra flags | |
184 | # | |
185 | proc ld_assemble_flags { as flags source object } { | |
186 | default_ld_assemble $as $flags $source $object | |
252b5132 RH |
187 | } |
188 | ||
189 | # | |
190 | # ld_nm | |
191 | # run nm on a file | |
192 | # | |
992c450d AM |
193 | proc ld_nm { nm nmflags object } { |
194 | default_ld_nm $nm $nmflags $object | |
252b5132 RH |
195 | } |
196 | ||
197 | # | |
198 | # ld_exec | |
199 | # execute ithe target | |
200 | # | |
201 | proc ld_exec { target output } { | |
202 | default_ld_exec $target $output | |
203 | } | |
204 | ||
261def70 HPN |
205 | # From gas-defs.exp, to support run_dump_test. |
206 | if ![info exists AS] then { | |
207 | set AS $as | |
208 | } | |
209 | ||
261def70 HPN |
210 | if ![info exists ASFLAGS] then { |
211 | set ASFLAGS "" | |
212 | } | |
213 | ||
214 | if ![info exists OBJDUMP] then { | |
215 | set OBJDUMP $objdump | |
216 | } | |
217 | ||
218 | if ![info exists OBJDUMPFLAGS] then { | |
219 | set OBJDUMPFLAGS {} | |
220 | } | |
221 | ||
222 | if ![info exists NM] then { | |
223 | set NM $nm | |
224 | } | |
225 | ||
226 | if ![info exists NMFLAGS] then { | |
227 | set NMFLAGS {} | |
228 | } | |
229 | ||
230 | if ![info exists OBJCOPY] then { | |
231 | set OBJCOPY $objcopy | |
232 | } | |
233 | ||
234 | if ![info exists OBJCOPYFLAGS] then { | |
235 | set OBJCOPYFLAGS {} | |
236 | } | |
237 | ||
238 | if ![info exists READELF] then { | |
239 | set READELF [findfile $base_dir/../binutils/readelf] | |
240 | } | |
241 | ||
242 | if ![info exists READELFFLAGS] then { | |
243 | set READELFFLAGS {} | |
244 | } | |
245 | ||
246 | if ![info exists LD] then { | |
247 | set LD [findfile $base_dir/ld-new ./ld-new [transform ld]] | |
248 | } | |
249 | ||
250 | if ![info exists LDFLAGS] then { | |
251 | set LDFLAGS {} | |
252 | } | |
e10461ae | 253 | |
b77db948 | 254 | # Set LD_CLASS to "64bit" for a 64-bit *host* linker. |
978c0540 | 255 | if { ![info exists LD_CLASS] } then { |
7ed1dab9 L |
256 | set REAL_LD [findfile $base_dir/.libs/ld-new .libs/ld-new $LD [transform ld]] |
257 | set readelf_output [run_host_cmd "$READELF" "-h $REAL_LD"] | |
978c0540 L |
258 | if { [regexp {[ \t]+Class:[ \t]+ELF64} $readelf_output] } then { |
259 | set LD_CLASS "64bit" | |
260 | } else { | |
261 | set LD_CLASS "32bit" | |
262 | } | |
263 | } | |
264 | ||
e10461ae L |
265 | # Set PLT_CFLAGS to "-fplt" if target compiler supports it. |
266 | ||
267 | if { ![info exists PLT_CFLAGS] } then { | |
268 | if { [which $CC] != 0 } { | |
269 | # Check if gcc supports -fplt | |
270 | set flags "" | |
271 | if [board_info [target_info name] exists cflags] { | |
272 | append flags " [board_info [target_info name] cflags]" | |
273 | } | |
274 | if [board_info [target_info name] exists ldflags] { | |
275 | append flags " [board_info [target_info name] ldflags]" | |
276 | } | |
277 | ||
278 | set basename "tmpdir/plt[pid]" | |
279 | set src ${basename}.c | |
280 | set output ${basename}.o | |
281 | set f [open $src "w"] | |
282 | puts $f "" | |
283 | close $f | |
010f98a5 L |
284 | if [is_remote host] { |
285 | set src [remote_download host $src] | |
286 | } | |
e10461ae L |
287 | set plt_available [run_host_cmd_yesno "$CC" "$flags -c -fplt $src -o $output"] |
288 | remote_file host delete $src | |
289 | remote_file host delete $output | |
290 | file delete $src | |
291 | ||
292 | if { $plt_available == 1 } then { | |
293 | set PLT_CFLAGS "-fplt" | |
294 | } else { | |
295 | set PLT_CFLAGS "" | |
296 | } | |
297 | } else { | |
298 | set PLT_CFLAGS "" | |
299 | } | |
300 | } | |
6f8ea6c4 L |
301 | |
302 | # Set NOPIE_CFLAGS to "-fno-PIE" and NOPIE_LDFLAGS to "-no-pie" if | |
303 | # target compiler supports them. | |
304 | ||
305 | if { ![info exists NOPIE_CFLAGS] || ![info exists NOPIE_LDFLAGS] } then { | |
306 | if { [which $CC] != 0 } { | |
307 | # Check if gcc supports -fno-PIE -no-pie. | |
308 | set flags "" | |
309 | if [board_info [target_info name] exists cflags] { | |
310 | append flags " [board_info [target_info name] cflags]" | |
311 | } | |
312 | if [board_info [target_info name] exists ldflags] { | |
313 | append flags " [board_info [target_info name] ldflags]" | |
314 | } | |
315 | ||
316 | set basename "tmpdir/nopie[pid]" | |
317 | set src ${basename}.c | |
318 | set output ${basename} | |
319 | set f [open $src "w"] | |
320 | puts $f "int main (void) { return 0; }" | |
321 | close $f | |
010f98a5 L |
322 | if [is_remote host] { |
323 | set src [remote_download host $src] | |
324 | } | |
6f8ea6c4 L |
325 | set nopie_available [run_host_cmd_yesno "$CC" "$flags -fno-PIE -no-pie $src -o $output"] |
326 | remote_file host delete $src | |
327 | remote_file host delete $output | |
328 | file delete $src | |
329 | ||
330 | if { $nopie_available == 1 } then { | |
331 | set NOPIE_CFLAGS "-fno-PIE" | |
332 | set NOPIE_LDFLAGS "-no-pie" | |
333 | } else { | |
334 | set NOPIE_CFLAGS "" | |
335 | set NOPIE_LDFLAGS "" | |
336 | } | |
337 | } else { | |
338 | set NOPIE_CFLAGS "" | |
339 | set NOPIE_LDFLAGS "" | |
340 | } | |
341 | } | |
1670f9c1 L |
342 | |
343 | # Set GNU2_CFLAGS to "-mtls-dialect=gnu2" if target compiler supports it. | |
344 | ||
345 | if { ![info exists GNU2_CFLAGS] } then { | |
346 | if { [which $CC] != 0 } { | |
347 | # Check if gcc supports -mtls-dialect=gnu2 | |
348 | set flags "" | |
349 | if [board_info [target_info name] exists cflags] { | |
350 | append flags " [board_info [target_info name] cflags]" | |
351 | } | |
352 | if [board_info [target_info name] exists ldflags] { | |
353 | append flags " [board_info [target_info name] ldflags]" | |
354 | } | |
355 | ||
356 | set basename "tmpdir/gnu2[pid]" | |
357 | set src ${basename}.c | |
358 | set output ${basename}.o | |
359 | set f [open $src "w"] | |
360 | puts $f "__thread int yyy = 100;" | |
361 | close $f | |
362 | if [is_remote host] { | |
363 | set src [remote_download host $src] | |
364 | } | |
365 | set gnu2_available [run_host_cmd_yesno "$CC" "$flags -c -mtls-dialect=gnu2 $src -o $output"] | |
366 | remote_file host delete $src | |
367 | remote_file host delete $output | |
368 | file delete $src | |
369 | ||
370 | if { $gnu2_available == 1 } then { | |
371 | set GNU2_CFLAGS "-mtls-dialect=gnu2" | |
372 | } else { | |
373 | set GNU2_CFLAGS "" | |
374 | } | |
375 | } else { | |
376 | set GNU2_CFLAGS "" | |
377 | } | |
378 | } |