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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [testsuite/] [gdb.hp/] [gdb.base-hp/] [so-thresh.exp] - Blame information for rev 1774

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1 106 markom
#   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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if $tracelevel then {
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        strace $tracelevel
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        }
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set prms_id 0
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set bug_id 0
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if { [skip_hp_tests] } then { continue }
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set testfile "so-thresh"
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set binfile ${objdir}/${subdir}/${testfile}
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if [get_compiler_info ${binfile}] {
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    return -1
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}
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# This testcase is relatively large, and therefore can take awhile to
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# load.  We'd best set the timeout to something suitable, or we may
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# seem to fail...
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#
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set timeout 60
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# Build procedure for this testcase:
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#    ${srcdir}/${subdir}/so-thresh.sh ${subdir}
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#        which calls,
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#        make -f ${srcdir}/${subdir}/so-thresh.mk  
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#            which builds,
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#                genso-thresh (from genso-thresh.c)
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#                    which generates,
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#                        lib00-so-thresh.c
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#                        lib01-so-thresh.c
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#                        lib02-so-thresh.c
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#                        so-thresh.lopt (link options file)
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#                lib0*-so-thresh.sl (from .c files above)
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#                so-thresh (from so-thresh.c)
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#                    using lib0*-so-thresh.sl and so-thresh.lopt
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#
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# Since so-thresh.mk requires SRCDIR and OBJDIR macro definitions,
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# and SRCDIR / OBJDIR could be in relative path format, we use
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# so-thresh.sh script to pin down SRCDIR / OBJDIR (using $PWD/ prefix
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# when detected relative path values for srcdir / objdir), before the
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# 'cd $subdir' call (when this can be done in TCL here, we can call
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# make directly instead).
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#
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# remote_exec build "sh -c \\\"cd ${objdir}/${subdir}\\; make -v -f ${srcdir}/${subdir}/${testfile}.mk clean require_shlibs all SRCDIR=${srcdir}/${subdir} OBJDIR=${objdir}/${subdir}\\\""
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send_user "Making with '${srcdir}/${subdir}/${testfile}.sh $subdir ...\n"
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remote_exec build "${srcdir}/${subdir}/${testfile}.sh $subdir"
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# Only HP-UX (and any other platforms using SOM shared libraries, I
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# guess) interprets the auto-solib-add variable as a threshhold,
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# rather than a boolean that strictly enables or disables automatic
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# loading of shlib symbol tables.
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#
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# On HP-UX, it is the size threshhold (in megabytes) at which to
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# stop auto loading of symbol tables.
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#
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if ![istarget "hppa*-hp-hpux*"] then {
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   setup_xfail "*-*-*"
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}
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# Start with a fresh gdb
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#
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# This is a test of gdb's ability on HP-UX to stop automatically
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# loading symbols of shared libraries, when the total size of the
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# debugger's symbol table reaches a specified threshhold.
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#
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# On HP-UX, the help text for auto-solib-add mentions that it
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# serves as a threshhold.
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#
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send_gdb "help set auto-solib-add\n"
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gdb_expect {
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  -re "Set autoloading size threshold .in megabytes. of shared library symbols.*
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If nonzero, symbols from all shared object libraries will be loaded.*
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automatically when the inferior begins execution or when the dynamic linker.*
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informs gdb that a new library has been loaded, until the symbol table.*
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of the program and libraries exceeds this threshold.*
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Otherwise, symbols must be loaded manually, using `sharedlibrary'.*$gdb_prompt $"\
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          {pass "help set auto-solib-add"}
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  -re "$gdb_prompt $"\
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          {fail "help set auto-solib-add"}
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  timeout {fail "(timeout) help set auto-solib-add"}
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}
109
 
110
# On HP-UX, the threshhold is by default set to 50, which means
111
# 50 megabytes.
112
#
113
send_gdb "show auto-solib-add\n"
114
gdb_expect {
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  -re "Autoloading size threshold .in megabytes. of shared library symbols is $decimal.*$gdb_prompt $"\
116
          {pass "show auto-solib-add "}
117
  -re "Autoloading size threshold \(in megabytes\) of shared library symbols is $decimal.$gdb_prompt $"\
118
          {pass "show auto-solib-add "}
119
  -re "$gdb_prompt $"\
120
          {fail "show auto-solib-add "}
121
  timeout {fail "(timeout) show auto-solib-add "}
122
}
123
 
124
send_gdb "set auto-solib-add 1\n"
125
gdb_expect {
126
   -re ".*$gdb_prompt $"
127
            {pass "set auto-solib-add to 1"}
128
   -re ".*$gdb_prompt $"
129
            {fail "set auto-solib-add to 1"}
130
   timeout {fail "(timeout) set auto-solib-add to 1"}
131
}
132
 
133
 
134
# We have manually verified that our testcase exceeds 1 Mbytes
135
# of heap space in GDB to hold the symbols for the main program
136
# and all associated linked-against libraries.  Thus, when we
137
# run to the program's main, and therefore notice all the linked-
138
# against shlibs, we expect to hit the threshhold.
139
#
140
# (Note that we're not using the expect [runto main] function here,
141
# 'cause we want to match on output from the run command.
142
#
143
send_gdb "break main\n"
144
gdb_expect {
145
  -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
146
          {pass "1 set break at main"}
147
  -re "$gdb_prompt $"\
148
          {fail "1 set break at main"}
149
  timeout {fail "(timeout) 1 set break at main"}
150
}
151
 
152
send_gdb "run\n"
153
gdb_expect {
154
  -re ".*warning. Symbols for some libraries have not been loaded, because.*
155
doing so would exceed the size threshold specified by auto-solib-add.*
156
To manually load symbols, use the 'sharedlibrary' command.*
157
To raise the threshold, set auto-solib-add to a larger value and rerun.*
158
the program.*$gdb_prompt $"\
159
          {pass "run to main hit auto-solib-add threshold"}
160
  -re "$gdb_prompt $"\
161
          {fail "run to main hit auto-solib-add threshold"}
162
  timeout {fail "(timeout) run to main hit auto-solib-add threshold"}
163
}
164
 
165
# Verify that "info share" mentions something about libraries whose
166
# symbols weren't loaded.
167
#
168
# We'll assume that at least the last two shlib's symbols weren't
169
# loaded.  As a side-effect of matching this pattern, the text start
170
# address of the last one is captured in expect_out(1,string).
171
# (we'll need it for the 'add-symbol-file' command in a nonce...)
172
#
173
send_gdb "info sharedlibrary\n"
174
gdb_expect {
175
  -re ".*lib01_$testfile.sl .*symbols not loaded.*0x\[0-9\]*  (0x\[0-9a-fA-F\]*).*$gdb_prompt $"\
176
          { send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
177
            gdb_expect {
178
              -re "add symbol table.*y or n.*$"\
179
                      {send_gdb "y\n"
180
                       gdb_expect {
181
                         -re "$gdb_prompt $" {pass "add-symbol-file and info sharedlib"}
182
                         timeout {fail "(timeout) add-symbol-file and info sharedlib"}
183
                       }}
184
              -re "$gdb_prompt $"\
185
                      {fail "add-symbol-file and info sharedlib"}
186
              timeout {fail "(timeout) add-symbol-file and info sharedlib"}
187
            }
188
          }
189
  -re "$gdb_prompt $" {
190
        setup_xfail hppa*-*-* CHFts24108
191
        fail "info sharedlibrary shows shlibs with unloaded symbols"
192
    }
193
  timeout {fail "(timeout) info sharedlibrary shows shlibs with unloaded symbols"}
194
}
195
 
196
# Verify that we can manually load the symbol table of a library
197
# whose symbols weren't loaded.  (We'll pick the last one.)
198
#
199
 
200
# I moved this test inside the one above, because the expect_out array is not ok if the
201
# previous test has failed, and expect would error out (elz)
202
#
203
#send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
204
#gdb_expect {
205
#  -re "add symbol table.*y or n.*$"\
206
#          {send_gdb "y\n"
207
#           gdb_expect {
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#             -re "$gdb_prompt $" {pass "add-symbol-file"}
209
#             timeout {fail "(timeout) add-symbol-file"}
210
#           }}
211
#  -re "$gdb_prompt $"\
212
#          {fail "add-symbol-file"}
213
#  timeout {fail "(timeout) add-symbol-file"}
214
#}
215
 
216
# Verify that we can manually load the symbols for all libraries
217
# which weren't already loaded.
218
#
219
# Warning!  On a machine with little free swap space, this may
220
# fail!
221
#
222
send_gdb "sharedlibrary\n"
223
gdb_expect {
224
  -re "Reading symbols from.*done.*$gdb_prompt $"\
225
          {pass "sharedlibrary"}
226
  -re "$gdb_prompt $" {
227
        setup_xfail hppa*-*-* CHFts24108
228
        fail "sharedlibrary"
229
    }
230
  timeout {fail "(timeout) sharedlibrary"}
231
}
232
 
233
# Rerun the program, this time verifying that we can set the
234
# threshhold high enough to avoid hitting it.
235
#
236
# It appears that gdb isn't freeing memory when rerunning, as one
237
# would expect.  To avoid potentially hitting a virtual memory
238
# ceiling, start with a fresh gdb.
239
#
240
gdb_exit
241
gdb_start
242
gdb_reinitialize_dir $srcdir/$subdir
243
gdb_load ${binfile}
244
 
245
send_gdb "break main\n"
246
gdb_expect {
247
  -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
248
          {pass "2 set break at main"}
249
  -re "$gdb_prompt $"\
250
          {fail "2 set break at main"}
251
  timeout {fail "(timeout) 2 set break at main"}
252
}
253
 
254
send_gdb "set auto-solib-add 9999\n"
255
gdb_expect {
256
  -re "$gdb_prompt $"\
257
          {pass "set auto-solib-add threshold to practical infinity"}
258
  timeout {fail "(timeout) set auto-solib-add threshold to practical infinity"}
259
}
260
send_gdb "run\n"
261
gdb_expect {
262
  -re ".*warning. Symbols for some libraries have not been loaded, because.*
263
doing so would exceed the size threshold specified by auto-solib-add.*
264
To manually load symbols, use the 'sharedlibrary' command.*
265
To raise the threshold, set auto-solib-add to a larger value and rerun.*
266
the program.*$gdb_prompt $"\
267
          {fail "rerun threshold at practical infinity (still hit threshold)"}
268
  -re "$gdb_prompt $"\
269
          {pass "rerun with threshold at practical infinity"}
270
  timeout {fail "(timeout) rerun with threshold at practical infinity"}
271
}
272
 
273
# Rerun the program, this time altogether disabling the auto loading
274
# feature.  There should be no information at all about shared
275
# libraries now.
276
#
277
# ??rehrauer: Personally, I'd call that a bug, since it doesn't give
278
# you the ability to manually load single shlibs (you need the text
279
# start address that 'info share' normall gives you).  On the other
280
# hand, one can easily choose to load them all...
281
#
282
# It appears that gdb isn't freeing memory when rerunning, as one
283
# would expect.  To avoid potentially hitting a virtual memory
284
# ceiling, start with a fresh gdb.
285
#
286
gdb_exit
287
gdb_start
288
gdb_reinitialize_dir $srcdir/$subdir
289
gdb_load ${binfile}
290
 
291
send_gdb "break main\n"
292
gdb_expect {
293
  -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
294
          {pass "3 set break at main"}
295
  -re "$gdb_prompt $"\
296
          {fail "3 set break at main"}
297
  timeout {fail "(timeout) 3 set break at main"}
298
}
299
 
300
send_gdb "set auto-solib-add 0\n"
301
gdb_expect {
302
  -re "$gdb_prompt $"\
303
          {pass "set auto-solib-add threshold to 0"}
304
  timeout {fail "(timeout) set auto-solib-add threshold to 0"}
305
}
306
send_gdb "run\n"
307
gdb_expect {
308
  -re ".*warning. Symbols for some libraries have not been loaded, because.*
309
doing so would exceed the size threshold specified by auto-solib-add.*
310
To manually load symbols, use the 'sharedlibrary' command.*
311
To raise the threshold, set auto-solib-add to a larger value and rerun.*
312
the program.*$gdb_prompt $"\
313
          {fail "rerun threshold at 0 (still hit threshold)"}
314
  -re "$gdb_prompt $"\
315
          {pass "rerun with threshold at 0"}
316
  timeout {fail "(timeout) rerun with threshold at 0"}
317
}
318
 
319
# Verify that we can still manually load symbols for all libraries.
320
# (We'll assume that if the last shlib's symbols are loaded, that
321
# all of them were.)
322
#
323
# Note that we set the GDB "height" variable to prevent GDB from
324
# prompting
325
#
326
# Warning!  On a machine with little free swap space, this may
327
# fail!
328
#
329
send_gdb "set height 9999\n"
330
gdb_expect {
331
  -re "$gdb_prompt $"\
332
          {pass "set screen page height to practical infinity"}
333
  timeout {fail "(timeout) set screen page height to practical infinity"}
334
}
335
send_gdb "sharedlibrary\n"
336
gdb_expect {
337
  -re ".*Reading symbols from .*/lib02-so-thresh\\.sl\\.\\.\\.done\\..*$gdb_prompt $"\
338
          {pass "manually load all symbols"}
339
  -re "$gdb_prompt $" {
340
        setup_xfail hppa*-*-* CHFts24108
341
        fail "manually load all symbols (CHFts24108)"
342
    }
343
  timeout {fail "(timeout) manually load all symbols"}
344
}
345
 
346
return 0

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