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

   1 #   Copyright (C) 1997, 1998, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>.  */
  15
  16 if $tracelevel then {
  17         strace $tracelevel
  18         }
  19
  20 set prms_id 0
  21 set bug_id 0
  22
  23 if { [skip_hp_tests] } then { continue }
  24
  25 set testfile "so-thresh"
  26 set binfile ${objdir}/${subdir}/${testfile}
  27
  28 if [get_compiler_info ${binfile}] {
  29     return -1
  30 }
  31
  32 # This testcase is relatively large, and therefore can take awhile to
  33 # load.  We'd best set the timeout to something suitable, or we may
  34 # seem to fail...
  35 #
  36 set timeout 60
  37
  38 # Build procedure for this testcase:
  39 #    ${srcdir}/${subdir}/so-thresh.sh ${subdir}
  40 #        which calls,
  41 #        make -f ${srcdir}/${subdir}/so-thresh.mk <targets> <macros>
  42 #            which builds,
  43 #                genso-thresh (from genso-thresh.c)
  44 #                    which generates,
  45 #                        lib00-so-thresh.c
  46 #                        lib01-so-thresh.c
  47 #                        lib02-so-thresh.c
  48 #                        so-thresh.lopt (link options file)
  49 #                lib0*-so-thresh.sl (from .c files above)
  50 #                so-thresh (from so-thresh.c)
  51 #                    using lib0*-so-thresh.sl and so-thresh.lopt
  52 #
  53 # Since so-thresh.mk requires SRCDIR and OBJDIR macro definitions,
  54 # and SRCDIR / OBJDIR could be in relative path format, we use
  55 # so-thresh.sh script to pin down SRCDIR / OBJDIR (using $PWD/ prefix
  56 # when detected relative path values for srcdir / objdir), before the
  57 # 'cd $subdir' call (when this can be done in TCL here, we can call
  58 # make directly instead).
  59 #
  60 # remote_exec build "sh -c \\\"cd ${objdir}/${subdir}\\; make -v -f ${srcdir}/${subdir}/${testfile}.mk clean require_shlibs all SRCDIR=${srcdir}/${subdir} OBJDIR=${objdir}/${subdir}\\\""
  61
  62 remote_exec build "${srcdir}/${subdir}/${testfile}.sh $subdir"
  63
  64 # Only HP-UX (and any other platforms using SOM shared libraries, I
  65 # guess) interprets the auto-solib-limit variable as a threshhold,
  66 # rather than a boolean that strictly enables or disables automatic
  67 # loading of shlib symbol tables.
  68 #
  69 # On HP-UX, it is the size threshhold (in megabytes) at which to
  70 # stop auto loading of symbol tables.
  71 #
  72 if ![istarget "hppa*-hp-hpux*"] then {
  73    setup_xfail "*-*-*"
  74 }
  75
  76 # Start with a fresh gdb
  77 #
  78 gdb_exit
  79 gdb_start
  80 gdb_reinitialize_dir $srcdir/$subdir
  81 gdb_load ${binfile}
  82
  83 # This is a test of gdb's ability on HP-UX to stop automatically
  84 # loading symbols of shared libraries, when the total size of the
  85 # debugger's symbol table reaches a specified threshhold.
  86 #
  87
  88 # On HP-UX, the help text for auto-solib-limit mentions that it
  89 # serves as a threshhold.
  90 #
  91 send_gdb "help set auto-solib-limit\n"
  92 gdb_expect {
  93   -re "Set threshold .in Mb. for autoloading shared library symbols.*
  94 When shared library autoloading is enabled, new libraries will be loaded.*
  95 only until the total size of shared library symbols exceeds this.*
  96 threshold in megabytes.  Is ignored when using .sharedlibrary.*$gdb_prompt $"\
  97           {pass "help set auto-solib-limit"}
  98   -re "$gdb_prompt $"\
  99           {fail "help set auto-solib-limit"}
 100   timeout {fail "(timeout) help set auto-solib-limit"}
 101 }
 102
 103 # On HP-UX, the threshhold is by default set to 50, which means
 104 # 50 megabytes.
 105 #
 106 send_gdb "show auto-solib-limit\n"
 107 gdb_expect {
 108   -re "Threshold .in Mb. for autoloading shared library symbols is $decimal.*$gdb_prompt $"\
 109           {pass "show auto-solib-limit "}
 110   -re "$gdb_prompt $"\
 111           {fail "show auto-solib-limit "}
 112   timeout {fail "(timeout) show auto-solib-limit "}
 113 }
 114
 115 send_gdb "set auto-solib-limit 1\n"
 116 gdb_expect {
 117    -re ".*$gdb_prompt $"
 118             {pass "set auto-solib-limit to 1"}
 119    -re ".*$gdb_prompt $"
 120             {fail "set auto-solib-limit to 1"}
 121    timeout {fail "(timeout) set auto-solib-limit to 1"}
 122 }
 123
 124
 125 # We have manually verified that our testcase exceeds 1 Mbytes
 126 # of heap space in GDB to hold the symbols for the main program
 127 # and all associated linked-against libraries.  Thus, when we
 128 # run to the program's main, and therefore notice all the linked-
 129 # against shlibs, we expect to hit the threshhold.
 130 #
 131 # (Note that we're not using the expect [runto main] function here,
 132 # 'cause we want to match on output from the run command.
 133 #
 134 send_gdb "break main\n"
 135 gdb_expect {
 136   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 137           {pass "1 set break at main"}
 138   -re "$gdb_prompt $"\
 139           {fail "1 set break at main"}
 140   timeout {fail "(timeout) 1 set break at main"}
 141 }
 142
 143 send_gdb "run\n"
 144 gdb_expect {
 145   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 146 doing so would exceed the size threshold specified by auto-solib-limit.*
 147 To manually load symbols, use the 'sharedlibrary' command.*
 148 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 149 the program.*$gdb_prompt $"\
 150           {pass "run to main hit auto-solib-limit threshold"}
 151   -re "$gdb_prompt $"\
 152           {fail "run to main hit auto-solib-limit threshold"}
 153   timeout {fail "(timeout) run to main hit auto-solib-limit threshold"}
 154 }
 155
 156 # Verify that "info share" mentions something about libraries whose
 157 # symbols weren't loaded.
 158 #
 159 # We'll assume that at least the last two shlib's symbols weren't
 160 # loaded.  As a side-effect of matching this pattern, the text start
 161 # address of the last one is captured in expect_out(1,string).
 162 # (we'll need it for the 'add-symbol-file' command in a nonce...)
 163 #
 164 send_gdb "info sharedlibrary\n"
 165 gdb_expect {
 166   -re ".*lib01_$testfile.sl .*symbols not loaded.*0x\[0-9\]*  (0x\[0-9a-fA-F\]*).*$gdb_prompt $"\
 167           { send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
 168             gdb_expect {
 169               -re "add symbol table.*y or n.*$"\
 170                       {send_gdb "y\n"
 171                        gdb_expect {
 172                          -re "$gdb_prompt $" {pass "add-symbol-file and info sharedlib"}
 173                          timeout {fail "(timeout) add-symbol-file and info sharedlib"}
 174                        }}
 175               -re "$gdb_prompt $"\
 176                       {fail "add-symbol-file and info sharedlib"}
 177               timeout {fail "(timeout) add-symbol-file and info sharedlib"}
 178             }
 179           }
 180   -re "$gdb_prompt $" {
 181         setup_xfail hppa*-*-* CHFts24108
 182         fail "info sharedlibrary shows shlibs with unloaded symbols"
 183     }
 184   timeout {fail "(timeout) info sharedlibrary shows shlibs with unloaded symbols"}
 185 }
 186
 187 # Verify that we can manually load the symbol table of a library
 188 # whose symbols weren't loaded.  (We'll pick the last one.)
 189 #
 190
 191 # I moved this test inside the one above, because the expect_out array is not ok if the
 192 # previous test has failed, and expect would error out (elz)
 193 #
 194 #send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
 195 #gdb_expect {
 196 #  -re "add symbol table.*y or n.*$"\
 197 #          {send_gdb "y\n"
 198 #           gdb_expect {
 199 #             -re "$gdb_prompt $" {pass "add-symbol-file"}
 200 #             timeout {fail "(timeout) add-symbol-file"}
 201 #           }}
 202 #  -re "$gdb_prompt $"\
 203 #          {fail "add-symbol-file"}
 204 #  timeout {fail "(timeout) add-symbol-file"}
 205 #}
 206
 207 # Verify that we can manually load the symbols for all libraries
 208 # which weren't already loaded.
 209 #
 210 # Warning!  On a machine with little free swap space, this may
 211 # fail!
 212 #
 213 send_gdb "sharedlibrary\n"
 214 gdb_expect {
 215   -re "Reading symbols from.*done.*$gdb_prompt $"\
 216           {pass "sharedlibrary"}
 217   -re "$gdb_prompt $" {
 218         setup_xfail hppa*-*-* CHFts24108
 219         fail "sharedlibrary"
 220     }
 221   timeout {fail "(timeout) sharedlibrary"}
 222 }
 223
 224 # Rerun the program, this time verifying that we can set the
 225 # threshhold high enough to avoid hitting it.
 226 #
 227 # It appears that gdb isn't freeing memory when rerunning, as one
 228 # would expect.  To avoid potentially hitting a virtual memory
 229 # ceiling, start with a fresh gdb.
 230 #
 231 gdb_exit
 232 gdb_start
 233 gdb_reinitialize_dir $srcdir/$subdir
 234 gdb_load ${binfile}
 235
 236 send_gdb "break main\n"
 237 gdb_expect {
 238   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 239           {pass "2 set break at main"}
 240   -re "$gdb_prompt $"\
 241           {fail "2 set break at main"}
 242   timeout {fail "(timeout) 2 set break at main"}
 243 }
 244
 245 send_gdb "set auto-solib-limit 9999\n"
 246 gdb_expect {
 247   -re "$gdb_prompt $"\
 248           {pass "set auto-solib-limit threshold to practical infinity"}
 249   timeout {fail "(timeout) set auto-solib-limit threshold to practical infinity"}
 250 }
 251 send_gdb "run\n"
 252 gdb_expect {
 253   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 254 doing so would exceed the size threshold specified by auto-solib-limit.*
 255 To manually load symbols, use the 'sharedlibrary' command.*
 256 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 257 the program.*$gdb_prompt $"\
 258           {fail "rerun threshold at practical infinity (still hit threshold)"}
 259   -re "$gdb_prompt $"\
 260           {pass "rerun with threshold at practical infinity"}
 261   timeout {fail "(timeout) rerun with threshold at practical infinity"}
 262 }
 263
 264 # Rerun the program, this time altogether disabling the auto loading
 265 # feature.  There should be no information at all about shared
 266 # libraries now.
 267 #
 268 # ??rehrauer: Personally, I'd call that a bug, since it doesn't give
 269 # you the ability to manually load single shlibs (you need the text
 270 # start address that 'info share' normall gives you).  On the other
 271 # hand, one can easily choose to load them all...
 272 #
 273 # It appears that gdb isn't freeing memory when rerunning, as one
 274 # would expect.  To avoid potentially hitting a virtual memory
 275 # ceiling, start with a fresh gdb.
 276 #
 277 gdb_exit
 278 gdb_start
 279 gdb_reinitialize_dir $srcdir/$subdir
 280 gdb_load ${binfile}
 281
 282 send_gdb "break main\n"
 283 gdb_expect {
 284   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 285           {pass "3 set break at main"}
 286   -re "$gdb_prompt $"\
 287           {fail "3 set break at main"}
 288   timeout {fail "(timeout) 3 set break at main"}
 289 }
 290
 291 send_gdb "set auto-solib-limit 0\n"
 292 gdb_expect {
 293   -re "$gdb_prompt $"\
 294           {pass "set auto-solib-limit threshold to 0"}
 295   timeout {fail "(timeout) set auto-solib-limit threshold to 0"}
 296 }
 297 send_gdb "run\n"
 298 gdb_expect {
 299   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 300 doing so would exceed the size threshold specified by auto-solib-limit.*
 301 To manually load symbols, use the 'sharedlibrary' command.*
 302 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 303 the program.*$gdb_prompt $"\
 304           {fail "rerun threshold at 0 (still hit threshold)"}
 305   -re "$gdb_prompt $"\
 306           {pass "rerun with threshold at 0"}
 307   timeout {fail "(timeout) rerun with threshold at 0"}
 308 }
 309
 310 # Verify that we can still manually load symbols for all libraries.
 311 # (We'll assume that if the last shlib's symbols are loaded, that
 312 # all of them were.)
 313 #
 314 # Note that we set the GDB "height" variable to prevent GDB from
 315 # prompting
 316 #
 317 # Warning!  On a machine with little free swap space, this may
 318 # fail!
 319 #
 320 send_gdb "set height 9999\n"
 321 gdb_expect {
 322   -re "$gdb_prompt $"\
 323           {pass "set screen page height to practical infinity"}
 324   timeout {fail "(timeout) set screen page height to practical infinity"}
 325 }
 326 send_gdb "sharedlibrary\n"
 327 gdb_expect {
 328   -re ".*Reading symbols from .*/lib02-so-thresh\\.sl\\.\\.\\.done\\..*$gdb_prompt $"\
 329           {pass "manually load all symbols"}
 330   -re "$gdb_prompt $" {
 331         setup_xfail hppa*-*-* CHFts24108
 332         fail "manually load all symbols (CHFts24108)"
 333     }
 334   timeout {fail "(timeout) manually load all symbols"}
 335 }
 336
 337 return 0