Commit | Line | Data |
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0b302171 | 1 | # Copyright 2010-2012 Free Software Foundation, Inc. |
b8040f19 JK |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | # This test only works on GNU/Linux. | |
3a3dad98 JK |
17 | if { ![isnative] || [is_remote host] || [target_info exists use_gdb_stub] |
18 | || ![istarget *-linux*] || [skip_shlib_tests]} { | |
b8040f19 JK |
19 | continue |
20 | } | |
21 | ||
5e3b36f8 JK |
22 | load_lib prelink-support.exp |
23 | ||
b8040f19 JK |
24 | set test "break-interp" |
25 | set binprefix ${objdir}/${subdir}/${test} | |
26 | # Only to get the $interp_system name. | |
27 | set srcfile_test "start.c" | |
28 | set binfile_test ${test}-test | |
06a6f270 JK |
29 | set binfile_lib ${objdir}/${subdir}/${test}.so |
30 | set srcfile "${test}-main.c" | |
31 | set srcfile_lib "${test}-lib.c" | |
32 | ||
33 | if [get_compiler_info ${binfile_lib}] { | |
34 | return -1 | |
35 | } | |
36 | ||
5e3b36f8 | 37 | # Use -soname so that the new library gets copied by build_executable_own_libs. |
06a6f270 | 38 | |
d8b34041 | 39 | if {[gdb_compile_shlib ${srcdir}/${subdir}/${srcfile_lib} ${binfile_lib} [list debug ldflags=-Wl,-soname,${test}.so]] != ""} { |
06a6f270 JK |
40 | return -1 |
41 | } | |
42 | ||
b8040f19 JK |
43 | if {[build_executable ${test}.exp $binfile_test ${srcfile_test} {}] == -1} { |
44 | return -1 | |
45 | } | |
46 | ||
b8040f19 JK |
47 | # Note: The separate debug info file content build-id/crc32 are not verified |
48 | # contrary to the GDB search algorithm skipping non-matching ones. | |
49 | proc system_debug_get {exec} { | |
50 | global debug_root | |
51 | ||
52 | set exec_build_id_debug [build_id_debug_filename_get $exec] | |
53 | set debug_base "[file tail $exec].debug" | |
54 | set exec_dir [file dirname $exec] | |
55 | ||
56 | # isfile returns 1 even for symlinks to files. | |
57 | set retval $debug_root/$exec_build_id_debug | |
58 | if [file isfile $retval] { | |
59 | return $retval | |
60 | } | |
61 | set retval $exec_dir/$debug_base | |
62 | if [file isfile $retval] { | |
63 | return $retval | |
64 | } | |
65 | set retval $exec_dir/.debug/$debug_base | |
66 | if [file isfile $retval] { | |
67 | return $retval | |
68 | } | |
69 | set retval $debug_root/$exec_dir/$debug_base | |
70 | if [file isfile $retval] { | |
71 | return $retval | |
72 | } | |
73 | return "" | |
74 | } | |
75 | ||
76 | gdb_exit | |
77 | gdb_start | |
78 | set debug_root "" | |
79 | set test "show debug-file-directory" | |
80 | gdb_test_multiple $test $test { | |
81 | -re "The directory where separate debug symbols are searched for is \"(.*)\".\r\n$gdb_prompt $" { | |
82 | set debug_root $expect_out(1,string) | |
83 | } | |
84 | } | |
85 | ||
86 | set interp_system [section_get ${objdir}/${subdir}/$binfile_test .interp] | |
87 | set interp_system_debug [system_debug_get $interp_system] | |
88 | verbose -log "$interp_system has debug $interp_system_debug" | |
89 | ||
5e3b36f8 JK |
90 | proc prelinkNO {arg {name ""}} { |
91 | return [prelink_no $arg $name] | |
b8040f19 JK |
92 | } |
93 | ||
94 | proc prelinkYES {arg {name ""}} { | |
5e3b36f8 | 95 | return [prelink_yes $arg $name] |
b8040f19 JK |
96 | } |
97 | ||
98 | proc strip_debug {dest} { | |
99 | set test "strip [file tail $dest]" | |
100 | set strip_program [transform strip] | |
101 | set command "exec $strip_program --strip-debug $dest" | |
102 | verbose -log "command is $command" | |
103 | if [catch $command] { | |
104 | fail $test | |
105 | return 0 | |
106 | } else { | |
107 | pass $test | |
108 | return 1 | |
109 | } | |
110 | } | |
111 | ||
d3d7896d JK |
112 | # Implementation of reach. |
113 | ||
114 | proc reach_1 {func command displacement} { | |
ccf26247 JK |
115 | global gdb_prompt expect_out |
116 | ||
d3d7896d JK |
117 | if {$func == "_dl_debug_state"} { |
118 | # Breakpoint on _dl_debug_state can have problems due to its overlap | |
119 | # with the existing internal breakpoint from GDB. | |
120 | gdb_test_no_output "set stop-on-solib-events 1" | |
121 | } elseif {! [gdb_breakpoint $func allow-pending]} { | |
122 | return | |
123 | } | |
b8040f19 | 124 | |
d3d7896d JK |
125 | set test "reach" |
126 | set test_displacement "seen displacement message as $displacement" | |
127 | set debug_state_count 0 | |
128 | gdb_test_multiple $command $test { | |
129 | -re "Using PIE \\(Position Independent Executable\\) displacement (0x\[0-9a-f\]+) " { | |
130 | # Missing "$gdb_prompt $" is intentional. | |
131 | if {$expect_out(1,string) == "0x0"} { | |
132 | set case "ZERO" | |
133 | } else { | |
134 | set case "NONZERO" | |
ccf26247 | 135 | } |
d3d7896d JK |
136 | if {$displacement == $case || $displacement == "PRESENT"} { |
137 | pass $test_displacement | |
138 | set displacement "FOUND-$displacement" | |
139 | } else { | |
140 | fail $test_displacement | |
141 | } | |
142 | exp_continue | |
143 | } | |
900e11f9 | 144 | -re "Breakpoint \[0-9\]+, \\.?(__GI_)?$func \\(.*\\) at .*:\[0-9\]+\r\n.*$gdb_prompt $" { |
d3d7896d JK |
145 | if {$func == "_dl_debug_state"} { |
146 | fail $test | |
147 | } else { | |
b8040f19 JK |
148 | pass $test |
149 | } | |
d3d7896d | 150 | } |
900e11f9 | 151 | -re "Breakpoint \[0-9\]+, \[0-9xa-f\]+ in \\.?(__GI_)?$func \\(\\).*\r\n$gdb_prompt $" { |
d3d7896d JK |
152 | if {$func == "_dl_debug_state"} { |
153 | fail $test | |
154 | } else { | |
b8040f19 JK |
155 | pass $test |
156 | } | |
157 | } | |
edcc5120 | 158 | -re "Stopped due to (spurious )?shared library event.*\r\n$gdb_prompt $" { |
d3d7896d JK |
159 | if {$func == "_dl_debug_state"} { |
160 | if {$debug_state_count == 0} { | |
161 | # First stop does not yet relocate the _start function | |
162 | # descriptor on ppc64. | |
163 | set debug_state_count 1 | |
164 | send_gdb "continue\n" | |
165 | exp_continue | |
166 | } else { | |
167 | pass $test | |
168 | } | |
169 | } else { | |
170 | fail $test | |
171 | } | |
ccf26247 | 172 | } |
b8040f19 | 173 | } |
d3d7896d JK |
174 | if ![regexp {^(NONE|FOUND-.*)$} $displacement] { |
175 | fail $test_displacement | |
176 | } | |
177 | ||
178 | if {$func == "_dl_debug_state"} { | |
179 | gdb_test_no_output "set stop-on-solib-events 0" | |
180 | } | |
181 | } | |
182 | ||
183 | # `runto' does not check we stopped really at the function we specified. | |
184 | # DISPLACEMENT can be "NONE" for no message to be present, "ZERO" for | |
185 | # displacement of 0 bytes to be present, "NONZERO" for displacement of non-0 | |
186 | # bytes to be present and "PRESENT" if both "ZERO" and "NONZERO" are valid. | |
187 | proc reach {func command displacement} { | |
0f4d39d5 | 188 | with_test_prefix "reach-$func" { |
6a5870ce PA |
189 | reach_1 $func $command $displacement |
190 | } | |
b8040f19 JK |
191 | } |
192 | ||
0f4d39d5 | 193 | proc test_core {file displacement} { with_test_prefix "core" { |
ccf26247 | 194 | global srcdir subdir gdb_prompt expect_out |
61f0d762 | 195 | |
bbfba9ed | 196 | set corefile [core_find $file {} "segv"] |
61f0d762 JK |
197 | if {$corefile == ""} { |
198 | return | |
199 | } | |
200 | ||
201 | gdb_exit | |
202 | gdb_start | |
203 | # Clear it to never find any separate debug infos in $debug_root. | |
27d3a1a2 MS |
204 | gdb_test_no_output "set debug-file-directory" \ |
205 | "set debug-file-directory for core" | |
61f0d762 JK |
206 | gdb_reinitialize_dir $srcdir/$subdir |
207 | gdb_load $file | |
208 | ||
ccf26247 | 209 | # Print the "PIE (Position Independent Executable) displacement" message. |
27d3a1a2 | 210 | gdb_test_no_output "set verbose on" |
ccf26247 JK |
211 | |
212 | set test "core loaded" | |
09248348 | 213 | set test_displacement "seen displacement message as $displacement" |
ccf26247 JK |
214 | gdb_test_multiple "core-file $corefile" $test { |
215 | -re "Using PIE \\(Position Independent Executable\\) displacement (0x\[0-9a-f\]+) " { | |
216 | # Missing "$gdb_prompt $" is intentional. | |
217 | if {$expect_out(1,string) == "0x0"} { | |
218 | set case "ZERO" | |
219 | } else { | |
220 | set case "NONZERO" | |
221 | } | |
5e533c94 | 222 | if {$displacement == $case || $displacement == "PRESENT"} { |
ccf26247 | 223 | pass $test_displacement |
ccf26247 | 224 | set displacement "FOUND-$displacement" |
86e4bafc | 225 | } else { |
ccf26247 JK |
226 | fail $test_displacement |
227 | } | |
228 | exp_continue | |
229 | } | |
230 | -re "Core was generated by .*\r\n#0 .*$gdb_prompt $" { | |
231 | # Do not check the binary filename as it may be truncated. | |
232 | pass $test | |
233 | } | |
234 | } | |
235 | if ![regexp {^(NONE|FOUND-.*)$} $displacement] { | |
236 | fail $test_displacement | |
237 | } | |
61f0d762 JK |
238 | |
239 | gdb_test "bt" "#\[0-9\]+ +\[^\r\n\]*\\mlibfunc\\M\[^\r\n\]*\r\n#\[0-9\]+ +\[^\r\n\]*\\mmain\\M.*" "core main bt" | |
6a5870ce | 240 | }} |
ccf26247 | 241 | |
0f4d39d5 | 242 | proc test_attach_gdb {file pid displacement prefix} { with_test_prefix "$prefix" { |
0a1e94c7 | 243 | global gdb_prompt expect_out |
bbfba9ed JK |
244 | |
245 | gdb_exit | |
246 | gdb_start | |
ccf26247 JK |
247 | |
248 | # Print the "PIE (Position Independent Executable) displacement" message. | |
27d3a1a2 | 249 | gdb_test_no_output "set verbose on" |
ccf26247 | 250 | |
4a2d9c08 | 251 | gdb_test "file $file" "Reading symbols from .*done\\." "file" |
0a1e94c7 | 252 | |
ccf26247 JK |
253 | set test "attach" |
254 | gdb_test_multiple "attach $pid" $test { | |
0a1e94c7 | 255 | -re "Attaching to (program: .*, )?process $pid\r\n" { |
ccf26247 JK |
256 | # Missing "$gdb_prompt $" is intentional. |
257 | pass $test | |
258 | } | |
259 | } | |
260 | ||
261 | set test "attach final prompt" | |
09248348 | 262 | set test_displacement "seen displacement message as $displacement" |
ccf26247 JK |
263 | gdb_test_multiple "" $test { |
264 | -re "Using PIE \\(Position Independent Executable\\) displacement (0x\[0-9a-f\]+) " { | |
265 | # Missing "$gdb_prompt $" is intentional. | |
266 | if {$expect_out(1,string) == "0x0"} { | |
267 | set case "ZERO" | |
268 | } else { | |
269 | set case "NONZERO" | |
270 | } | |
5e533c94 | 271 | if {$displacement == $case || $displacement == "PRESENT"} { |
ccf26247 | 272 | pass $test_displacement |
ccf26247 | 273 | set displacement "FOUND-$displacement" |
86e4bafc | 274 | } else { |
ccf26247 JK |
275 | fail $test_displacement |
276 | } | |
277 | exp_continue | |
278 | } | |
279 | -re "$gdb_prompt $" { | |
280 | pass $test | |
281 | } | |
282 | } | |
283 | if ![regexp {^(NONE|FOUND-.*)$} $displacement] { | |
284 | fail $test_displacement | |
285 | } | |
286 | ||
bbfba9ed JK |
287 | gdb_test "bt" "#\[0-9\]+ +\[^\r\n\]*\\mlibfunc\\M\[^\r\n\]*\r\n#\[0-9\]+ +\[^\r\n\]*\\mmain\\M.*" "attach main bt" |
288 | gdb_exit | |
6a5870ce | 289 | }} |
bbfba9ed | 290 | |
0a1e94c7 JK |
291 | proc test_attach {file displacement {relink_args ""}} { |
292 | global board_info | |
4a2d9c08 | 293 | global exec |
0a1e94c7 JK |
294 | |
295 | gdb_exit | |
296 | ||
297 | set test "sleep function started" | |
298 | ||
299 | set command "${file} sleep" | |
300 | set res [remote_spawn host $command]; | |
301 | if { $res < 0 || $res == "" } { | |
302 | perror "Spawning $command failed." | |
303 | fail $test | |
304 | return | |
305 | } | |
306 | set pid [exp_pid -i $res] | |
307 | gdb_expect { | |
308 | -re "sleeping\r\n" { | |
309 | pass $test | |
310 | } | |
311 | eof { | |
312 | fail "$test (eof)" | |
313 | return | |
314 | } | |
315 | timeout { | |
316 | fail "$test (timeout)" | |
317 | return | |
318 | } | |
319 | } | |
320 | ||
321 | if {$relink_args == ""} { | |
4a2d9c08 | 322 | test_attach_gdb $exec $pid $displacement "attach" |
0a1e94c7 JK |
323 | } else { |
324 | # These could be rather passed as arguments. | |
4a2d9c08 | 325 | global interp_saved interp |
0a1e94c7 JK |
326 | |
327 | foreach relink {YES NO} { | |
3cd07d20 JK |
328 | # Formerly this test was testing only prelinking of $EXEC. As the |
329 | # prelink command automatically prelinks all of $EXEC's libraries, | |
330 | # even $INTERP got prelinked. Therefore, we formerly had to | |
5e3b36f8 JK |
331 | # `[file_copy $interp_saved $interp]' to make $INTERP not affected |
332 | # by this prelinking of $EXEC. | |
3cd07d20 JK |
333 | # |
334 | # But now we need to test even prelinking of $INTERP. We could | |
335 | # create a separate test to test just the $INTERP prelinking. For | |
336 | # test simplicity, we merged this test and the test above by not | |
337 | # restoring $INTERP after $EXEC prelink. $INTERP gets restored | |
338 | # later below. | |
02835898 JK |
339 | # |
340 | # `(wrong library or version mismatch?)' messages are printed for | |
341 | # $binfile_lib on platforms converting REL->RELA relocations by | |
342 | # prelink (such as on i386). There is no reliable way to verify | |
343 | # the library file matches the running library in such case but | |
344 | # GDB at least attempts to set the right displacement. We test | |
345 | # `libfunc' is present in the backtrace and therefore the | |
346 | # displacement has been guessed right. | |
3cd07d20 JK |
347 | |
348 | if [prelink$relink $relink_args [file tail $exec]] { | |
0a1e94c7 JK |
349 | # /proc/PID/exe cannot be loaded as it is "EXECNAME (deleted)". |
350 | test_attach_gdb $exec $pid $displacement "attach-relink$relink" | |
351 | } | |
352 | } | |
5e3b36f8 | 353 | file_copy $interp_saved $interp |
0a1e94c7 JK |
354 | } |
355 | ||
356 | remote_exec host "kill -9 $pid" | |
357 | } | |
358 | ||
ccf26247 | 359 | proc test_ld {file ifmain trynosym displacement} { |
fda326dd | 360 | global srcdir subdir gdb_prompt expect_out inferior_exited_re |
b8040f19 JK |
361 | |
362 | # First test normal `file'-command loaded $FILE with symbols. | |
363 | ||
364 | gdb_exit | |
365 | gdb_start | |
366 | # Clear it to never find any separate debug infos in $debug_root. | |
27d3a1a2 | 367 | gdb_test_no_output "set debug-file-directory" |
b8040f19 JK |
368 | gdb_reinitialize_dir $srcdir/$subdir |
369 | gdb_load $file | |
370 | ||
ccf26247 | 371 | # Print the "PIE (Position Independent Executable) displacement" message. |
27d3a1a2 | 372 | gdb_test_no_output "set verbose on" |
ccf26247 | 373 | |
4e5799b6 JK |
374 | # We want to test the re-run of a PIE in the case where the executable |
375 | # is loaded with a different displacement, but disable-randomization | |
376 | # prevents that from happening. So turn it off. | |
377 | gdb_test "set disable-randomization off" | |
378 | ||
d3d7896d JK |
379 | if $ifmain { |
380 | gdb_test_no_output "set args segv" | |
381 | } else { | |
382 | global objdir binfile_test | |
383 | ||
384 | # ld.so needs some executable to run to reach _dl_debug_state. | |
a449c2d8 | 385 | gdb_test_no_output "set args ${objdir}/${subdir}/$binfile_test" "set args OBJDIR/${subdir}/$binfile_test" |
d3d7896d JK |
386 | } |
387 | ||
388 | reach "_dl_debug_state" "run" $displacement | |
06a6f270 | 389 | |
900e11f9 | 390 | gdb_test "bt" "#0 +\[^\r\n\]*\\m(__GI_)?_dl_debug_state\\M.*" "dl bt" |
06a6f270 | 391 | |
b8040f19 | 392 | if $ifmain { |
86e4bafc | 393 | reach "main" continue "NONE" |
06a6f270 | 394 | |
ccf26247 | 395 | reach "libfunc" continue "NONE" |
06a6f270 JK |
396 | |
397 | gdb_test "bt" "#0 +\[^\r\n\]*\\mlibfunc\\M\[^\r\n\]*\r\n#1 +\[^\r\n\]*\\mmain\\M.*" "main bt" | |
4e5799b6 | 398 | } |
61f0d762 | 399 | |
4e5799b6 JK |
400 | # Try re-run if the new PIE displacement takes effect. |
401 | gdb_test "kill" "" "kill" {Kill the program being debugged\? \(y or n\) } "y" | |
d3d7896d | 402 | reach "_dl_debug_state" "run" $displacement |
4e5799b6 JK |
403 | |
404 | if $ifmain { | |
ccf26247 | 405 | test_core $file $displacement |
bbfba9ed | 406 | |
ccf26247 | 407 | test_attach $file $displacement |
b8040f19 | 408 | } |
51bee8e9 JK |
409 | |
410 | if !$trynosym { | |
411 | return | |
412 | } | |
413 | ||
414 | global pf_prefix | |
415 | set old_ldprefix $pf_prefix | |
6a5870ce | 416 | append pf_prefix " symbol-less:" |
51bee8e9 JK |
417 | |
418 | # Test also `exec-file'-command loaded $FILE - therefore without symbols. | |
419 | # SYMBOL_OBJFILE is not available and only EXEC_BFD must be used. | |
420 | ||
421 | gdb_exit | |
422 | gdb_start | |
423 | # Clear it to never find any separate debug infos in $debug_root. | |
27d3a1a2 | 424 | gdb_test_no_output "set debug-file-directory" |
51bee8e9 JK |
425 | gdb_reinitialize_dir $srcdir/$subdir |
426 | ||
ccf26247 | 427 | # Print the "PIE (Position Independent Executable) displacement" message. |
27d3a1a2 | 428 | gdb_test_no_output "set verbose on" |
ccf26247 | 429 | |
51bee8e9 JK |
430 | # Test no (error) message has been printed by `exec-file'. |
431 | set escapedfile [string_to_regexp $file] | |
432 | gdb_test "exec-file $file" "exec-file $escapedfile" "load" | |
433 | ||
434 | if $ifmain { | |
d3d7896d | 435 | reach "_dl_debug_state" run $displacement |
51bee8e9 | 436 | |
93c17e06 JK |
437 | # Use two separate gdb_test_multiple statements to avoid timeouts due |
438 | # to slow processing of wildcard capturing long output | |
51bee8e9 JK |
439 | set test "info files" |
440 | set entrynohex "" | |
93c17e06 | 441 | gdb_test_multiple $test $test { |
e0cc584e | 442 | -re "\r\n\[\t \]*Entry point:\[\t \]*0x(\[0-9a-f\]+)\r\n" { |
ccf26247 | 443 | set entrynohex $expect_out(1,string) |
93c17e06 JK |
444 | gdb_test_multiple "" $test { |
445 | -re "\r\n$gdb_prompt $" { | |
446 | pass $test | |
447 | } | |
e0cc584e | 448 | } |
51bee8e9 JK |
449 | } |
450 | } | |
e0cc584e | 451 | |
4569eed2 JK |
452 | # `info sym' cannot be tested for .opd as the binary may not have |
453 | # symbols. | |
8e64f2a0 | 454 | if {[istarget powerpc64-*] && [is_lp64_target]} { |
4569eed2 JK |
455 | set test "convert entry point" |
456 | gdb_test_multiple "p *(void(*)(void) *) 0x$entrynohex" $test { | |
457 | -re " =( \\(\[^0-9\]*\\))? 0x(\[0-9a-f\]+)( < \[^\r\n\]*)?\r\n$gdb_prompt $" { | |
458 | set entrynohex $expect_out(2,string) | |
459 | pass $test | |
460 | } | |
461 | } | |
462 | } | |
51bee8e9 JK |
463 | if {$entrynohex != ""} { |
464 | gdb_test "break *0x$entrynohex" "" "break at entry point" | |
465 | gdb_test "continue" "\r\nBreakpoint \[0-9\]+, 0x0*$entrynohex in .*" "entry point reached" | |
466 | } | |
467 | } else { | |
468 | # There is no symbol to break at ld.so. Moreover it can exit with an | |
469 | # error code. | |
ccf26247 JK |
470 | |
471 | set test "ld.so exit" | |
09248348 | 472 | set test_displacement "seen displacement message as $displacement" |
ccf26247 JK |
473 | gdb_test_multiple "run" $test { |
474 | -re "Using PIE \\(Position Independent Executable\\) displacement (0x\[0-9a-f\]+) " { | |
475 | # Missing "$gdb_prompt $" is intentional. | |
476 | if {$expect_out(1,string) == "0x0"} { | |
477 | set case "ZERO" | |
478 | } else { | |
479 | set case "NONZERO" | |
480 | } | |
5e533c94 | 481 | if {$displacement == $case || $displacement == "PRESENT"} { |
ccf26247 | 482 | pass $test_displacement |
ccf26247 | 483 | set displacement "FOUND-$displacement" |
86e4bafc | 484 | } else { |
ccf26247 JK |
485 | fail $test_displacement |
486 | } | |
487 | exp_continue | |
488 | } | |
fda326dd | 489 | -re "$inferior_exited_re (normally|with code \[0-9\]+).\r\n$gdb_prompt $" { |
ccf26247 JK |
490 | # Do not check the binary filename as it may be truncated. |
491 | pass $test | |
492 | } | |
493 | } | |
494 | if ![regexp {^(NONE|FOUND-.*)$} $displacement] { | |
495 | fail $test_displacement | |
496 | } | |
51bee8e9 JK |
497 | } |
498 | ||
499 | set pf_prefix $old_ldprefix | |
b8040f19 JK |
500 | } |
501 | ||
502 | # Create separate binaries for each testcase - to make the possible reported | |
503 | # problem reproducible after the whole test run finishes. | |
504 | ||
505 | set old_ldprefix $pf_prefix | |
506 | foreach ldprelink {NO YES} { | |
507 | foreach ldsepdebug {NO IN SEP} { | |
508 | # Skip running the ldsepdebug test if we do not have system separate | |
509 | # debug info available. | |
510 | if {$interp_system_debug == "" && $ldsepdebug == "SEP"} { | |
511 | continue | |
512 | } | |
513 | ||
514 | set ldname "LDprelink${ldprelink}debug${ldsepdebug}" | |
515 | set interp $binprefix-$ldname | |
516 | ||
517 | # prelink needs to always prelink all the dependencies to do any file | |
518 | # modifications of its files. ld.so also needs all the dependencies to | |
519 | # be prelinked to omit the relocation process. In-memory file offsets | |
520 | # are not dependent whether ld.so went the prelink way or through the | |
521 | # relocation process. | |
522 | # | |
523 | # For GDB we are not interested whether prelink succeeds as it is | |
524 | # transparent to GDB. GDB is being tested for differences of file | |
525 | # offsets vs. in-memory offsets. So we have to prelink even ld.so for | |
526 | # the BIN modification to happen but we need to restore the original | |
527 | # possibly unprelinked ld.so to test all the combinations for GDB. | |
528 | set interp_saved ${interp}-saved | |
529 | ||
530 | set pf_prefix $old_ldprefix | |
6a5870ce | 531 | append pf_prefix " $ldname:" |
b8040f19 JK |
532 | |
533 | if {$ldsepdebug == "NO"} { | |
5e3b36f8 | 534 | file_copy $interp_system $interp |
b8040f19 JK |
535 | # Never call strip-debug before unprelink: |
536 | # prelink: ...: Section .note.gnu.build-id created after prelinking | |
537 | if ![prelinkNO $interp] { | |
538 | continue | |
539 | } | |
540 | strip_debug $interp | |
541 | } elseif {$ldsepdebug == "IN" && $interp_system_debug == ""} { | |
5e3b36f8 | 542 | file_copy $interp_system $interp |
b8040f19 | 543 | } elseif {$ldsepdebug == "IN" && $interp_system_debug != ""} { |
5e3b36f8 JK |
544 | file_copy $interp_system $interp |
545 | file_copy $interp_system_debug "${interp}.debug" | |
b8040f19 JK |
546 | # eu-unstrip: DWARF data in '...' not adjusted for prelinking bias; consider prelink -u |
547 | if {![prelinkNO $interp] || ![prelinkNO "${interp}.debug"]} { | |
548 | continue | |
549 | } | |
550 | set test "eu-unstrip unprelinked:[file tail $interp_system] + [file tail $interp_system_debug] to [file tail $interp]" | |
551 | set command "exec eu-unstrip -o $interp $interp ${interp}.debug" | |
552 | verbose -log "command is $command" | |
553 | if [catch $command] { | |
554 | setup_xfail *-*-* | |
555 | fail $test | |
556 | continue | |
557 | } else { | |
558 | pass $test | |
559 | } | |
560 | } elseif {$ldsepdebug == "SEP" && $interp_system_debug == ""} { | |
5e3b36f8 | 561 | file_copy $interp_system $interp |
b8040f19 JK |
562 | # eu-unstrip: DWARF data in '...' not adjusted for prelinking bias; consider prelink -u |
563 | if ![prelinkNO $interp] { | |
564 | continue | |
565 | } | |
566 | gdb_gnu_strip_debug $interp | |
567 | } elseif {$ldsepdebug == "SEP" && $interp_system_debug != ""} { | |
5e3b36f8 JK |
568 | file_copy $interp_system $interp |
569 | file_copy $interp_system_debug "${interp}.debug" | |
b8040f19 JK |
570 | } |
571 | ||
572 | if {$ldsepdebug == "SEP"} { | |
573 | if ![prelinkNO "${interp}.debug"] { | |
574 | continue | |
575 | } | |
576 | } else { | |
577 | file delete "${interp}.debug" | |
578 | } | |
579 | ||
580 | if ![prelink$ldprelink $interp] { | |
581 | continue | |
582 | } | |
ccf26247 JK |
583 | if {$ldprelink == "NO"} { |
584 | set displacement "NONZERO" | |
585 | } else { | |
5e533c94 JK |
586 | # x86* kernel loads prelinked PIE binary at its prelinked address |
587 | # but ppc* kernel loads it at a random address. prelink normally | |
588 | # skips PIE binaries during the system scan. | |
589 | set displacement "PRESENT" | |
ccf26247 JK |
590 | } |
591 | test_ld $interp 0 [expr {$ldsepdebug == "NO"}] $displacement | |
b8040f19 | 592 | |
5e3b36f8 | 593 | if ![file_copy $interp $interp_saved] { |
b8040f19 JK |
594 | continue |
595 | } | |
596 | set old_binprefix $pf_prefix | |
597 | foreach binprelink {NO YES} { | |
598 | foreach binsepdebug {NO IN SEP} { | |
0a1e94c7 JK |
599 | # "ATTACH" is like "YES" but it is modified during run. |
600 | # It cannot be used for problem reproducibility after the | |
601 | # testcase ends. | |
602 | foreach binpie {NO YES ATTACH} { | |
b8040f19 JK |
603 | # This combination is not possible, non-PIE (fixed address) |
604 | # binary cannot be prelinked to any (other) address. | |
605 | if {$binprelink == "YES" && $binpie == "NO"} { | |
606 | continue | |
607 | } | |
608 | ||
609 | set binname "BINprelink${binprelink}debug${binsepdebug}pie${binpie}" | |
610 | set exec $binprefix-$binname | |
b8040f19 JK |
611 | |
612 | set pf_prefix $old_binprefix | |
6a5870ce | 613 | append pf_prefix " $binname:" |
b8040f19 | 614 | |
d8b34041 | 615 | set opts "ldflags=-Wl,$binfile_lib,-rpath,[file dirname $binfile_lib]" |
b8040f19 JK |
616 | if {$binsepdebug != "NO"} { |
617 | lappend opts {debug} | |
618 | } | |
0a1e94c7 | 619 | if {$binpie != "NO"} { |
b8040f19 JK |
620 | lappend opts {additional_flags=-fPIE -pie} |
621 | } | |
5e3b36f8 JK |
622 | |
623 | set dir ${exec}.d | |
624 | set relink_args [build_executable_own_libs ${test}.exp [file tail $exec] $srcfile $opts $interp $dir] | |
625 | if {$relink_args == ""} { | |
b8040f19 JK |
626 | continue; |
627 | } | |
5e3b36f8 | 628 | |
b8040f19 JK |
629 | if {$binsepdebug == "SEP"} { |
630 | gdb_gnu_strip_debug $exec | |
b8040f19 JK |
631 | } |
632 | ||
0a1e94c7 JK |
633 | if {$binpie == "NO"} { |
634 | set displacement "NONE" | |
635 | } elseif {$binprelink == "NO"} { | |
636 | set displacement "NONZERO" | |
637 | } else { | |
5e533c94 JK |
638 | # x86* kernel loads prelinked PIE binary at its |
639 | # prelinked address but ppc* kernel loads it at | |
640 | # a random address. prelink normally skips PIE | |
641 | # binaries during the system scan. | |
642 | set displacement "PRESENT" | |
0a1e94c7 JK |
643 | } |
644 | ||
0a1e94c7 | 645 | if {[prelink$binprelink $relink_args [file tail $exec]] |
5e3b36f8 | 646 | && [file_copy $interp_saved $interp]} { |
0a1e94c7 JK |
647 | if {$binpie != "ATTACH"} { |
648 | test_ld $exec 1 [expr {$binsepdebug == "NO"}] $displacement | |
ccf26247 | 649 | } else { |
0a1e94c7 JK |
650 | # If the file has been randomly prelinked it must |
651 | # be "NONZERO". We could see "ZERO" only if it was | |
652 | # unprelinked and it is now running at the same | |
653 | # address - which is 0 but executable can never run | |
654 | # at address 0. | |
655 | ||
656 | set displacement "NONZERO" | |
657 | test_attach $exec $displacement $relink_args | |
658 | ||
659 | # ATTACH means that executables and libraries have | |
660 | # been modified after they have been run. They | |
661 | # cannot be reused for problem reproducibility after | |
662 | # the testcase ends in the ATTACH case. Therefore | |
663 | # they are rather deleted not to confuse after the | |
664 | # run finishes. | |
665 | set exec_debug [system_debug_get $exec] | |
666 | if {$exec_debug != ""} { | |
667 | # `file delete [glob "${exec_debug}*"]' does not work. | |
668 | foreach f [glob "${exec_debug}*"] { | |
669 | file delete $f | |
670 | } | |
671 | } | |
672 | file delete -force $dir | |
673 | # `file delete [glob "${exec}*"]' does not work. | |
674 | foreach f [glob "${exec}*"] { | |
675 | file delete $f | |
676 | } | |
ccf26247 | 677 | } |
b8040f19 JK |
678 | } |
679 | } | |
680 | } | |
681 | } | |
682 | ||
683 | file delete $interp_saved | |
684 | } | |
685 | } | |
686 | set pf_prefix $old_ldprefix |