1#   Copyright (C) 1997 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
48if $tracelevel {
49    strace $tracelevel
50}
51
52if { [skip_hp_tests] } { continue }
53
54set prms_id 0
55set bug_id 0
56
57# are we on a target board
58if ![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#
66setup_xfail "*-*-*"
67clear_xfail "hppa*-*-*hpux*"
68
69set prototypes 0
70set testfile "solib-d"
71set srcfile ${testfile}.c
72set binfile ${objdir}/${subdir}/${testfile}
73set testfile1 ${objdir}/${subdir}/${testfile}1.o
74set testfile2 ${objdir}/${subdir}/${testfile}2.o
75set libfile1 ${objdir}/${subdir}/${testfile}1.sl
76set 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.
80if [get_compiler_info ${binfile}] {
81    return -1;
82}
83
84# set up appropriate compile option to recognize long double
85if {$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 ${subdir}
97
98if { [gdb_compile "${srcdir}/${subdir}/${testfile}1.c" "${testfile1}" object "{debug additional_flags=${picflag}}"] != "" } {
99    perror "Couldn't compile ${testfile}1.c"
100    return -1
101}
102
103if { [gdb_compile "${srcdir}/${subdir}/${testfile}2.c" "${testfile2}" object "{debug additional_flags=${picflag}}"] != ""} {
104    perror "Couldn't compile ${testfile}2.c"
105    return -1
106}
107
108remote_exec build "ld -b ${testfile1} -o ${libfile1}"
109remote_exec build "ld -b ${testfile2} -o ${libfile2}"
110
111# Build the test case
112
113if { [gdb_compile "${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
120gdb_exit
121gdb_start
122gdb_reinitialize_dir $srcdir/$subdir
123gdb_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#
128gdb_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.
132send_gdb "run\n"
133gdb_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
143gdb_exit
144gdb_start
145gdb_reinitialize_dir $srcdir/$subdir
146gdb_load ${binfile}
147
148if ![runto_main] { fail "breakpoint at main did not trigger ?" }
149
150# verify that we print globals from shlibs correctly.
151gdb_test "p global_from_primary" " = 5678" \
152    "print global from shlib (CLLbs15725)"
153
154gdb_test "p global_from_secondary" " = 9012" \
155    "print global from shlib (CLLbs15725)"
156
157# verify that we print static variables from shlibs correctly.
158if { ![runto function_from_primary] } { return }
159gdb_test "p file_static" " = 1234" "print file static variable (CLLbs15725)"
160
161if { ![runto function_from_secondary] } { return }
162gdb_test "p local_static" " = 3456" "print local static variable (CLLbs15725)"
163
164gdb_exit
165gdb_start
166gdb_reinitialize_dir $srcdir/$subdir
167gdb_load ${binfile}
168
169gdb_test "set auto-solib-add 0" "" "turn off auto shlib debug loading"
170
171if ![runto_main] {
172    perror "C function calling tests suppressed"
173}
174
175# verify that "clear non-existent-symbol" does not crash
176gdb_test "clear junkfunc" "Location not found.*" \
177    "clear non-existent function does not dump core !"
178
179# verify that "info line non-existent-symbol" does not crash
180gdb_test "info line junkfunc" "Location not found.*" \
181    "info line junkfunc does not dump core !"
182
183# verify that "xbreak non-existent-symbol" does not crash
184gdb_test "xbreak junkfunc" "Function \"junkfunc\" not defined.*" \
185    "xbreak junkfunc does not dump core !"
186
187gdb_test "list function_from_primary" \
188    "No line number known for function_from_primary.*" \
189    "turning off auto shlib debug loading"
190
191send_gdb "sharedlibrary solib-d1\n"
192gdb_expect {
193    -re "Reading symbols from.*solib-d1.*$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 $" { fail "loading primary library on demand (3)" }
200    timeout { fail "(timeout) loading primary library on demand" }
201}
202
203# make sure that load above of primary also did not pull in secondary.
204send_gdb "list function_from_secondary\n"
205gdb_expect {
206    -re "No symbol.*context.*$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
216gdb_exit
217gdb_start
218gdb_reinitialize_dir $srcdir/$subdir
219gdb_load ${binfile}
220
221gdb_test "set auto-solib-add 0" "" "turn off auto shlib debug loading"
222
223gdb_test "set stop-on-solib-event 1" "" "stop-on-solib-event"
224
225# verify that we set breakpoint on the function and not the export stub
226# used to be that we set bp on the export stub of _start and thus miss
227# shlib loads in some cases (where the stub exists)
228send_gdb "run\n"
229gdb_expect {
230    -re "Stopped due to shared library event.*$gdb_prompt $" {
231        pass "stop for shlib event"
232    }
233    -re "Program exited.*$gdb_prompt $" {
234        fail "Bug CLLbs16090 came back ?"
235    }
236    timeout { fail "(timeout) stop for shlib event " }
237}
238
239gdb_test "b main" "Breakpoint 1 at.*" "set breakpoint on main"
240
241gdb_test "set stop-on-solib-event 0" "" "stop-on-solib-event (timeout)"
242
243# verify that we set breakpoint on the function and not the export stub
244gdb_test "cont" "Breakpoint 1.*main.*" "run to main"
245
246# On PA64 we read in the unwind info and linker symbol table which lets
247# us set the breakpoint and not defer it.
248send_gdb "b garbage\n"
249gdb_expect {
250    -re "Breakpoint.*deferred.*garbage.*library containing.*is loaded.*$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 $" { fail " set deferred breakpoint (3)" }
257    timeout { fail "(timeout) set deferred breakpoint" }
258}
259
260# make sure that the sharedlibrary command enables any deferred breakpoints
261# that it should.
262send_gdb "sharedlibrary lib\n"
263gdb_expect {
264    -re "Reading.*solib-d1.*$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.
275gdb_test "cont" "Breakpoint.*garbage.*" "deferred breakpoint enabled"
276
277gdb_exit
278return 0
279