gdb/testsuite/gdb.hp/gdb.base-hp/so-thresh.exp

   1 #   Copyright (C) 1997, 1998 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 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 if $tracelevel then {
  21         strace $tracelevel
  22         }
  23
  24 set prms_id 0
  25 set bug_id 0
  26
  27 if { [skip_hp_tests] } then { continue }
  28
  29 set testfile "so-thresh"
  30 set binfile ${objdir}/${subdir}/${testfile}
  31
  32 if [get_compiler_info ${binfile}] {
  33     return -1
  34 }
  35
  36 # This testcase is relatively large, and therefore can take awhile to
  37 # load.  We'd best set the timeout to something suitable, or we may
  38 # seem to fail...
  39 #
  40 set timeout 60
  41
  42 # Build procedure for this testcase:
  43 #    ${srcdir}/${subdir}/so-thresh.sh ${subdir}
  44 #        which calls,
  45 #        make -f ${srcdir}/${subdir}/so-thresh.mk <targets> <macros>
  46 #            which builds,
  47 #                genso-thresh (from genso-thresh.c)
  48 #                    which generates,
  49 #                        lib00-so-thresh.c
  50 #                        lib01-so-thresh.c
  51 #                        lib02-so-thresh.c
  52 #                        so-thresh.lopt (link options file)
  53 #                lib0*-so-thresh.sl (from .c files above)
  54 #                so-thresh (from so-thresh.c)
  55 #                    using lib0*-so-thresh.sl and so-thresh.lopt
  56 #
  57 # Since so-thresh.mk requires SRCDIR and OBJDIR macro definitions,
  58 # and SRCDIR / OBJDIR could be in relative path format, we use
  59 # so-thresh.sh script to pin down SRCDIR / OBJDIR (using $PWD/ prefix
  60 # when detected relative path values for srcdir / objdir), before the
  61 # 'cd $subdir' call (when this can be done in TCL here, we can call
  62 # make directly instead).
  63 #
  64 # remote_exec build "sh -c \\\"cd ${objdir}/${subdir}\\; make -v -f ${srcdir}/${subdir}/${testfile}.mk clean require_shlibs all SRCDIR=${srcdir}/${subdir} OBJDIR=${objdir}/${subdir}\\\""
  65
  66 send_user "Making with '${srcdir}/${subdir}/${testfile}.sh $subdir ...\n"
  67 remote_exec build "${srcdir}/${subdir}/${testfile}.sh $subdir"
  68
  69 # Only HP-UX (and any other platforms using SOM shared libraries, I
  70 # guess) interprets the auto-solib-add variable as a threshhold,
  71 # rather than a boolean that strictly enables or disables automatic
  72 # loading of shlib symbol tables.
  73 #
  74 # On HP-UX, it is the size threshhold (in megabytes) at which to
  75 # stop auto loading of symbol tables.
  76 #
  77 if ![istarget "hppa*-hp-hpux*"] then {
  78    setup_xfail "*-*-*"
  79 }
  80
  81 # Start with a fresh gdb
  82 #
  83 gdb_exit
  84 gdb_start
  85 gdb_reinitialize_dir $srcdir/$subdir
  86 gdb_load ${binfile}
  87
  88 # This is a test of gdb's ability on HP-UX to stop automatically
  89 # loading symbols of shared libraries, when the total size of the
  90 # debugger's symbol table reaches a specified threshhold.
  91 #
  92
  93 # On HP-UX, the help text for auto-solib-add mentions that it
  94 # serves as a threshhold.
  95 #
  96 send_gdb "help set auto-solib-add\n"
  97 gdb_expect {
  98   -re "Set autoloading size threshold .in megabytes. of shared library symbols.*
  99 If nonzero, symbols from all shared object libraries will be loaded.*
 100 automatically when the inferior begins execution or when the dynamic linker.*
 101 informs gdb that a new library has been loaded, until the symbol table.*
 102 of the program and libraries exceeds this threshold.*
 103 Otherwise, symbols must be loaded manually, using `sharedlibrary'.*$gdb_prompt $"\
 104           {pass "help set auto-solib-add"}
 105   -re "$gdb_prompt $"\
 106           {fail "help set auto-solib-add"}
 107   timeout {fail "(timeout) help set auto-solib-add"}
 108 }
 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 {
 115   -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 {
 208 #             -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