1 # Copyright (C) 1997, 1998, 2007, 2008, 2009, 2010
2 # Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 if { [skip_hp_tests] } then { continue }
24 set testfile "so-thresh"
25 set binfile ${objdir}/${subdir}/${testfile}
27 if [get_compiler_info ${binfile}] {
31 # This testcase is relatively large, and therefore can take awhile to
32 # load. We'd best set the timeout to something suitable, or we may
37 # Build procedure for this testcase:
38 # ${srcdir}/${subdir}/so-thresh.sh ${subdir}
40 # make -f ${srcdir}/${subdir}/so-thresh.mk <targets> <macros>
42 # genso-thresh (from genso-thresh.c)
47 # so-thresh.lopt (link options file)
48 # lib0*-so-thresh.sl (from .c files above)
49 # so-thresh (from so-thresh.c)
50 # using lib0*-so-thresh.sl and so-thresh.lopt
52 # Since so-thresh.mk requires SRCDIR and OBJDIR macro definitions,
53 # and SRCDIR / OBJDIR could be in relative path format, we use
54 # so-thresh.sh script to pin down SRCDIR / OBJDIR (using $PWD/ prefix
55 # when detected relative path values for srcdir / objdir), before the
56 # 'cd $subdir' call (when this can be done in TCL here, we can call
57 # make directly instead).
59 # remote_exec build "sh -c \\\"cd ${objdir}/${subdir}\\; make -v -f ${srcdir}/${subdir}/${testfile}.mk clean require_shlibs all SRCDIR=${srcdir}/${subdir} OBJDIR=${objdir}/${subdir}\\\""
61 remote_exec build "${srcdir}/${subdir}/${testfile}.sh $subdir"
63 # Only HP-UX (and any other platforms using SOM shared libraries, I
64 # guess) interprets the auto-solib-limit variable as a threshhold,
65 # rather than a boolean that strictly enables or disables automatic
66 # loading of shlib symbol tables.
68 # On HP-UX, it is the size threshhold (in megabytes) at which to
69 # stop auto loading of symbol tables.
71 if ![istarget "hppa*-hp-hpux*"] then {
75 # Start with a fresh gdb
79 gdb_reinitialize_dir $srcdir/$subdir
82 # This is a test of gdb's ability on HP-UX to stop automatically
83 # loading symbols of shared libraries, when the total size of the
84 # debugger's symbol table reaches a specified threshhold.
87 # On HP-UX, the help text for auto-solib-limit mentions that it
88 # serves as a threshhold.
90 send_gdb "help set auto-solib-limit\n"
92 -re "Set threshold .in Mb. for autoloading shared library symbols.*
93 When shared library autoloading is enabled, new libraries will be loaded.*
94 only until the total size of shared library symbols exceeds this.*
95 threshold in megabytes. Is ignored when using .sharedlibrary.*$gdb_prompt $"\
96 {pass "help set auto-solib-limit"}
98 {fail "help set auto-solib-limit"}
99 timeout {fail "(timeout) help set auto-solib-limit"}
102 # On HP-UX, the threshhold is by default set to 50, which means
105 send_gdb "show auto-solib-limit\n"
107 -re "Threshold .in Mb. for autoloading shared library symbols is $decimal.*$gdb_prompt $"\
108 {pass "show auto-solib-limit "}
110 {fail "show auto-solib-limit "}
111 timeout {fail "(timeout) show auto-solib-limit "}
114 send_gdb "set auto-solib-limit 1\n"
116 -re ".*$gdb_prompt $"
117 {pass "set auto-solib-limit to 1"}
118 -re ".*$gdb_prompt $"
119 {fail "set auto-solib-limit to 1"}
120 timeout {fail "(timeout) set auto-solib-limit to 1"}
124 # We have manually verified that our testcase exceeds 1 Mbytes
125 # of heap space in GDB to hold the symbols for the main program
126 # and all associated linked-against libraries. Thus, when we
127 # run to the program's main, and therefore notice all the linked-
128 # against shlibs, we expect to hit the threshhold.
130 # (Note that we're not using the expect [runto main] function here,
131 # 'cause we want to match on output from the run command.
133 send_gdb "break main\n"
135 -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
136 {pass "1 set break at main"}
138 {fail "1 set break at main"}
139 timeout {fail "(timeout) 1 set break at main"}
144 -re ".*warning. Symbols for some libraries have not been loaded, because.*
145 doing so would exceed the size threshold specified by auto-solib-limit.*
146 To manually load symbols, use the 'sharedlibrary' command.*
147 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
148 the program.*$gdb_prompt $"\
149 {pass "run to main hit auto-solib-limit threshold"}
151 {fail "run to main hit auto-solib-limit threshold"}
152 timeout {fail "(timeout) run to main hit auto-solib-limit threshold"}
155 # Verify that "info share" mentions something about libraries whose
156 # symbols weren't loaded.
158 # We'll assume that at least the last two shlib's symbols weren't
159 # loaded. As a side-effect of matching this pattern, the text start
160 # address of the last one is captured in expect_out(1,string).
161 # (we'll need it for the 'add-symbol-file' command in a nonce...)
163 send_gdb "info sharedlibrary\n"
165 -re ".*lib01_$testfile.sl .*symbols not loaded.*0x\[0-9\]* (0x\[0-9a-fA-F\]*).*$gdb_prompt $"\
166 { send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
168 -re "add symbol table.*y or n.*$"\
171 -re "$gdb_prompt $" {pass "add-symbol-file and info sharedlib"}
172 timeout {fail "(timeout) add-symbol-file and info sharedlib"}
175 {fail "add-symbol-file and info sharedlib"}
176 timeout {fail "(timeout) add-symbol-file and info sharedlib"}
179 -re "$gdb_prompt $" {
180 setup_xfail hppa*-*-* CHFts24108
181 fail "info sharedlibrary shows shlibs with unloaded symbols"
183 timeout {fail "(timeout) info sharedlibrary shows shlibs with unloaded symbols"}
186 # Verify that we can manually load the symbol table of a library
187 # whose symbols weren't loaded. (We'll pick the last one.)
190 # I moved this test inside the one above, because the expect_out array is not ok if the
191 # previous test has failed, and expect would error out (elz)
193 #send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
195 # -re "add symbol table.*y or n.*$"\
198 # -re "$gdb_prompt $" {pass "add-symbol-file"}
199 # timeout {fail "(timeout) add-symbol-file"}
201 # -re "$gdb_prompt $"\
202 # {fail "add-symbol-file"}
203 # timeout {fail "(timeout) add-symbol-file"}
206 # Verify that we can manually load the symbols for all libraries
207 # which weren't already loaded.
209 # Warning! On a machine with little free swap space, this may
212 send_gdb "sharedlibrary\n"
214 -re "Reading symbols from.*done.*$gdb_prompt $"\
215 {pass "sharedlibrary"}
216 -re "$gdb_prompt $" {
217 setup_xfail hppa*-*-* CHFts24108
220 timeout {fail "(timeout) sharedlibrary"}
223 # Rerun the program, this time verifying that we can set the
224 # threshhold high enough to avoid hitting it.
226 # It appears that gdb isn't freeing memory when rerunning, as one
227 # would expect. To avoid potentially hitting a virtual memory
228 # ceiling, start with a fresh gdb.
232 gdb_reinitialize_dir $srcdir/$subdir
235 send_gdb "break main\n"
237 -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
238 {pass "2 set break at main"}
240 {fail "2 set break at main"}
241 timeout {fail "(timeout) 2 set break at main"}
244 send_gdb "set auto-solib-limit 9999\n"
247 {pass "set auto-solib-limit threshold to practical infinity"}
248 timeout {fail "(timeout) set auto-solib-limit threshold to practical infinity"}
252 -re ".*warning. Symbols for some libraries have not been loaded, because.*
253 doing so would exceed the size threshold specified by auto-solib-limit.*
254 To manually load symbols, use the 'sharedlibrary' command.*
255 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
256 the program.*$gdb_prompt $"\
257 {fail "rerun threshold at practical infinity (still hit threshold)"}
259 {pass "rerun with threshold at practical infinity"}
260 timeout {fail "(timeout) rerun with threshold at practical infinity"}
263 # Rerun the program, this time altogether disabling the auto loading
264 # feature. There should be no information at all about shared
267 # ??rehrauer: Personally, I'd call that a bug, since it doesn't give
268 # you the ability to manually load single shlibs (you need the text
269 # start address that 'info share' normall gives you). On the other
270 # hand, one can easily choose to load them all...
272 # It appears that gdb isn't freeing memory when rerunning, as one
273 # would expect. To avoid potentially hitting a virtual memory
274 # ceiling, start with a fresh gdb.
278 gdb_reinitialize_dir $srcdir/$subdir
281 send_gdb "break main\n"
283 -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
284 {pass "3 set break at main"}
286 {fail "3 set break at main"}
287 timeout {fail "(timeout) 3 set break at main"}
290 send_gdb "set auto-solib-limit 0\n"
293 {pass "set auto-solib-limit threshold to 0"}
294 timeout {fail "(timeout) set auto-solib-limit threshold to 0"}
298 -re ".*warning. Symbols for some libraries have not been loaded, because.*
299 doing so would exceed the size threshold specified by auto-solib-limit.*
300 To manually load symbols, use the 'sharedlibrary' command.*
301 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
302 the program.*$gdb_prompt $"\
303 {fail "rerun threshold at 0 (still hit threshold)"}
305 {pass "rerun with threshold at 0"}
306 timeout {fail "(timeout) rerun with threshold at 0"}
309 # Verify that we can still manually load symbols for all libraries.
310 # (We'll assume that if the last shlib's symbols are loaded, that
313 # Note that we set the GDB "height" variable to prevent GDB from
316 # Warning! On a machine with little free swap space, this may
319 send_gdb "set height 9999\n"
322 {pass "set screen page height to practical infinity"}
323 timeout {fail "(timeout) set screen page height to practical infinity"}
325 send_gdb "sharedlibrary\n"
327 -re ".*Reading symbols from .*/lib02-so-thresh\\.sl\\.\\.\\.done\\..*$gdb_prompt $"\
328 {pass "manually load all symbols"}
329 -re "$gdb_prompt $" {
330 setup_xfail hppa*-*-* CHFts24108
331 fail "manually load all symbols (CHFts24108)"
333 timeout {fail "(timeout) manually load all symbols"}