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1 # Copyright (C) 1997, 2007 Free Software Foundation, Inc.
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 2 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, write to the Free Software
15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
16
17 # This file was written by srikanth (with huge chunks borrowed from old ones)
18 #
19 # Regression test for
20 #
21 # CLLbs14756
22 #
23 # o catch load command does not stop for implicit loads.
24 #
25 # CLLbs15382
26 #
27 # o sharedlibrary command ignores its argument and ends
28 # up loading every shared library there is ...
29 #
30 # CLLbs15582
31 #
32 # o info line non-existent-function dumps core
33 # o clear non-existent function dumps core
34 # o xbreak non-existent-function dumps core
35 #
36 # CLLbs15725
37 #
38 # o gdb prints static and extern variables in shlibs incorrectly.
39 #
40 # CLLbs16090
41 #
42 # o deferred breakpoints should kick in for shlibs loaded explicitly
43 # with the sharedlibrary command.
44 # o GDB confuses export stubs with actual function.
45 #
46 #
47
48 if $tracelevel {
49 strace $tracelevel
50 }
51
52 if { [skip_hp_tests] } { continue }
53
54 set prms_id 0
55 set bug_id 0
56
57 # are we on a target board
58 if ![isnative] {
59 return
60 }
61
62 # This test is presently only valid on HP-UX, since it requires
63 # that we use HP-UX-specific compiler & linker options to build
64 # the testcase.
65 #
66 setup_xfail "*-*-*"
67 clear_xfail "hppa*-*-*hpux*"
68
69 set prototypes 0
70 set testfile "solib-d"
71 set srcfile ${testfile}.c
72 set binfile ${objdir}/${subdir}/${testfile}
73 set testfile1 ${objdir}/${subdir}/${testfile}1.o
74 set testfile2 ${objdir}/${subdir}/${testfile}2.o
75 set libfile1 ${objdir}/${subdir}/${testfile}1.sl
76 set libfile2 ${objdir}/${subdir}/${testfile}2.sl
77
78 # Create and source the file that provides information about the compiler
79 # used to compile the test case.
80 if [get_compiler_info ${binfile}] {
81 return -1;
82 }
83
84 # set up appropriate compile option to recognize long double
85 if {$hp_aCC_compiler || $hp_cc_compiler} {
86 set picflag "+z"
87 set ansiflag "-Ae"
88 } else {
89 set picflag "-fpic"
90 set ansiflag ""
91 }
92
93
94 # Build the shared libraries this test case needs.
95 #
96 #cd ${subdir}
97
98 if { [gdb_compile "${srcdir}/${subdir}/${testfile}1.c" "${testfile1}" object "{debug additional_flags=${picflag}}"] != "" } {
99 perror "Couldn't compile ${testfile}1.c"
100 return -1
101 }
102
103 if { [gdb_compile "${srcdir}/${subdir}/${testfile}2.c" "${testfile2}" object "{debug additional_flags=${picflag}}"] != ""} {
104 perror "Couldn't compile ${testfile}2.c"
105 return -1
106 }
107
108 remote_exec build "ld -b ${testfile1} -o ${libfile1}"
109 remote_exec build "ld -b ${testfile2} -o ${libfile2}"
110
111 # Build the test case
112
113 if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${libfile1} ${libfile2}" "${binfile}" executable "{debug additional_flags=${ansiflag} -Wl,-aarchive}"] != "" } {
114 perror "Couldn't build ${binfile}"
115 return -1
116 }
117
118 # Start with a fresh gdb
119
120 gdb_exit
121 gdb_start
122 gdb_reinitialize_dir $srcdir/$subdir
123 gdb_load ${binfile}
124
125 # Verify that we can set a generic catchpoint on shlib loads. I.e., that
126 # we can catch any shlib load, without specifying the name.
127 #
128 gdb_test "catch load" "Catchpoint \[0-9\]* .load <any library>.*" \
129 "set generic catch load"
130
131 # Verify that implicit shlib loads are caught and reported.
132 send_gdb "run\n"
133 gdb_expect {
134 -re ".*solib-d1.*$gdb_prompt $" {
135 pass "Catch implicit load at startup"
136 }
137 -re "Program exited.*$gdb_prompt $" {
138 fail "CLLbs14756 || CLLbs16090 came back ???"
139 }
140 timeout { fail "(timeout) implicit library load" }
141 }
142
143 gdb_exit
144 gdb_start
145 gdb_reinitialize_dir $srcdir/$subdir
146 gdb_load ${binfile}
147
148 if ![runto_main] { fail "breakpoint at main did not trigger ?" }
149
150 # verify that we print globals from shlibs correctly.
151 gdb_test "p global_from_primary" " = 5678" \
152 "print global from shlib (CLLbs15725)"
153
154 gdb_test "p global_from_secondary" " = 9012" \
155 "print global from shlib (CLLbs15725)"
156
157 # verify that we print static variables from shlibs correctly.
158 if { ![runto function_from_primary] } { return }
159 gdb_test "p file_static" " = 1234" "print file static variable (CLLbs15725)"
160
161 if { ![runto function_from_secondary] } { return }
162 gdb_test "p local_static" " = 3456" "print local static variable (CLLbs15725)"
163
164 gdb_exit
165 gdb_start
166 gdb_reinitialize_dir $srcdir/$subdir
167 gdb_load ${binfile}
168
169 gdb_test "set auto-solib-add 0" "" "turn off auto shlib debug loading"
170
171 if ![runto_main] {
172 perror "C function calling tests suppressed"
173 }
174
175 # verify that "clear non-existent-symbol" does not crash
176 gdb_test "clear junkfunc" "Location not found.*" \
177 "clear non-existent function does not dump core !"
178
179 # verify that "info line non-existent-symbol" does not crash
180 gdb_test "info line junkfunc" "Location not found.*" \
181 "info line junkfunc does not dump core !"
182
183 # verify that "xbreak non-existent-symbol" does not crash
184 gdb_test "xbreak junkfunc" "Function \"junkfunc\" not defined.*" \
185 "xbreak junkfunc does not dump core !"
186
187 gdb_test "list function_from_primary" \
188 "No line number known for function_from_primary.*" \
189 "turning off auto shlib debug loading"
190
191 send_gdb "sharedlibrary solib-d1\n"
192 gdb_expect {
193 -re "Reading symbols from.*solib-d1.*$gdb_prompt $" {
194 pass "loading primary library on demand (1)"
195 }
196 -re "--Adding symbols for shared library.*solib-d1.*$gdb_prompt $" {
197 pass "loading primary library on demand (2)"
198 }
199 -re "$gdb_prompt $" { fail "loading primary library on demand (3)" }
200 timeout { fail "(timeout) loading primary library on demand" }
201 }
202
203 # make sure that load above of primary also did not pull in secondary.
204 send_gdb "list function_from_secondary\n"
205 gdb_expect {
206 -re "No symbol.*context.*$gdb_prompt $" {
207 pass "loaded only what we needed (1)"
208 }
209 -re "No line number known for function_from_secondary.*$gdb_prompt $" {
210 pass "loaded only what we needed (2)"
211 }
212 -re ".*9012.*$gdb_prompt $" { fail "Oops ! CLLbs15382 came back ?" }
213 timeout { fail "(timeout) printing global" }
214 }
215
216 gdb_exit
217 gdb_start
218 gdb_reinitialize_dir $srcdir/$subdir
219 gdb_load ${binfile}
220
221 gdb_test "set auto-solib-add 0" "" "turn off auto shlib debug loading"
222
223 gdb_test "set stop-on-solib-event 1" "" "stop-on-solib-event"
224
225 # verify that we set breakpoint on the function and not the export stub
226 # used to be that we set bp on the export stub of _start and thus miss
227 # shlib loads in some cases (where the stub exists)
228 send_gdb "run\n"
229 gdb_expect {
230 -re "Stopped due to shared library event.*$gdb_prompt $" {
231 pass "stop for shlib event"
232 }
233 -re "Program exited.*$gdb_prompt $" {
234 fail "Bug CLLbs16090 came back ?"
235 }
236 timeout { fail "(timeout) stop for shlib event " }
237 }
238
239 gdb_test "b main" "Breakpoint 1 at.*" "set breakpoint on main"
240
241 gdb_test "set stop-on-solib-event 0" "" "stop-on-solib-event (timeout)"
242
243 # verify that we set breakpoint on the function and not the export stub
244 gdb_test "cont" "Breakpoint 1.*main.*" "run to main"
245
246 # On PA64 we read in the unwind info and linker symbol table which lets
247 # us set the breakpoint and not defer it.
248 send_gdb "b garbage\n"
249 gdb_expect {
250 -re "Breakpoint.*deferred.*garbage.*library containing.*is loaded.*$gdb_prompt $" {
251 pass " set deferred breakpoint (1)"
252 }
253 -re "Breakpoint 2 at 0x.*$gdb_prompt $" {
254 pass " set deferred breakpoint (2)"
255 }
256 -re "$gdb_prompt $" { fail " set deferred breakpoint (3)" }
257 timeout { fail "(timeout) set deferred breakpoint" }
258 }
259
260 # make sure that the sharedlibrary command enables any deferred breakpoints
261 # that it should.
262 send_gdb "sharedlibrary lib\n"
263 gdb_expect {
264 -re "Reading.*solib-d1.*$gdb_prompt $" {
265 pass "load up all shared libs (1)"
266 }
267 -re "Loading.*dld.sl.*--Adding symbols.*solib-d1.*$gdb_prompt $" {
268 pass "load up all shared libs (2)"
269 }
270 -re "$gdb_prompt $" { fail "load up all libraries" }
271 timeout { fail "(timeout) load all libraries " }
272 }
273
274 # do we stop at garbage ? If yes ok.
275 gdb_test "cont" "Breakpoint.*garbage.*" "deferred breakpoint enabled"
276
277 gdb_exit
278 return 0