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

   1 #   Copyright (C) 1997, 1998, 2007 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}/${subdir}\\\""
  65
  66 remote_exec build "${srcdir}/${subdir}/${testfile}.sh $subdir"
  67
  68 # Only HP-UX (and any other platforms using SOM shared libraries, I
  69 # guess) interprets the auto-solib-limit variable as a threshhold,
  70 # rather than a boolean that strictly enables or disables automatic
  71 # loading of shlib symbol tables.
  72 #
  73 # On HP-UX, it is the size threshhold (in megabytes) at which to
  74 # stop auto loading of symbol tables.
  75 #
  76 if ![istarget "hppa*-hp-hpux*"] then {
  77    setup_xfail "*-*-*"
  78 }
  79
  80 # Start with a fresh gdb
  81 #
  82 gdb_exit
  83 gdb_start
  84 gdb_reinitialize_dir $srcdir/$subdir
  85 gdb_load ${binfile}
  86
  87 # This is a test of gdb's ability on HP-UX to stop automatically
  88 # loading symbols of shared libraries, when the total size of the
  89 # debugger's symbol table reaches a specified threshhold.
  90 #
  91
  92 # On HP-UX, the help text for auto-solib-limit mentions that it
  93 # serves as a threshhold.
  94 #
  95 send_gdb "help set auto-solib-limit\n"
  96 gdb_expect {
  97   -re "Set threshold .in Mb. for autoloading shared library symbols.*
  98 When shared library autoloading is enabled, new libraries will be loaded.*
  99 only until the total size of shared library symbols exceeds this.*
 100 threshold in megabytes.  Is ignored when using .sharedlibrary.*$gdb_prompt $"\
 101           {pass "help set auto-solib-limit"}
 102   -re "$gdb_prompt $"\
 103           {fail "help set auto-solib-limit"}
 104   timeout {fail "(timeout) help set auto-solib-limit"}
 105 }
 106
 107 # On HP-UX, the threshhold is by default set to 50, which means
 108 # 50 megabytes.
 109 #
 110 send_gdb "show auto-solib-limit\n"
 111 gdb_expect {
 112   -re "Threshold .in Mb. for autoloading shared library symbols is $decimal.*$gdb_prompt $"\
 113           {pass "show auto-solib-limit "}
 114   -re "$gdb_prompt $"\
 115           {fail "show auto-solib-limit "}
 116   timeout {fail "(timeout) show auto-solib-limit "}
 117 }
 118
 119 send_gdb "set auto-solib-limit 1\n"
 120 gdb_expect {
 121    -re ".*$gdb_prompt $"
 122             {pass "set auto-solib-limit to 1"}
 123    -re ".*$gdb_prompt $"
 124             {fail "set auto-solib-limit to 1"}
 125    timeout {fail "(timeout) set auto-solib-limit to 1"}
 126 }
 127
 128
 129 # We have manually verified that our testcase exceeds 1 Mbytes
 130 # of heap space in GDB to hold the symbols for the main program
 131 # and all associated linked-against libraries.  Thus, when we
 132 # run to the program's main, and therefore notice all the linked-
 133 # against shlibs, we expect to hit the threshhold.
 134 #
 135 # (Note that we're not using the expect [runto main] function here,
 136 # 'cause we want to match on output from the run command.
 137 #
 138 send_gdb "break main\n"
 139 gdb_expect {
 140   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 141           {pass "1 set break at main"}
 142   -re "$gdb_prompt $"\
 143           {fail "1 set break at main"}
 144   timeout {fail "(timeout) 1 set break at main"}
 145 }
 146
 147 send_gdb "run\n"
 148 gdb_expect {
 149   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 150 doing so would exceed the size threshold specified by auto-solib-limit.*
 151 To manually load symbols, use the 'sharedlibrary' command.*
 152 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 153 the program.*$gdb_prompt $"\
 154           {pass "run to main hit auto-solib-limit threshold"}
 155   -re "$gdb_prompt $"\
 156           {fail "run to main hit auto-solib-limit threshold"}
 157   timeout {fail "(timeout) run to main hit auto-solib-limit threshold"}
 158 }
 159
 160 # Verify that "info share" mentions something about libraries whose
 161 # symbols weren't loaded.
 162 #
 163 # We'll assume that at least the last two shlib's symbols weren't
 164 # loaded.  As a side-effect of matching this pattern, the text start
 165 # address of the last one is captured in expect_out(1,string).
 166 # (we'll need it for the 'add-symbol-file' command in a nonce...)
 167 #
 168 send_gdb "info sharedlibrary\n"
 169 gdb_expect {
 170   -re ".*lib01_$testfile.sl .*symbols not loaded.*0x\[0-9\]*  (0x\[0-9a-fA-F\]*).*$gdb_prompt $"\
 171           { send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
 172             gdb_expect {
 173               -re "add symbol table.*y or n.*$"\
 174                       {send_gdb "y\n"
 175                        gdb_expect {
 176                          -re "$gdb_prompt $" {pass "add-symbol-file and info sharedlib"}
 177                          timeout {fail "(timeout) add-symbol-file and info sharedlib"}
 178                        }}
 179               -re "$gdb_prompt $"\
 180                       {fail "add-symbol-file and info sharedlib"}
 181               timeout {fail "(timeout) add-symbol-file and info sharedlib"}
 182             }
 183           }
 184   -re "$gdb_prompt $" {
 185         setup_xfail hppa*-*-* CHFts24108
 186         fail "info sharedlibrary shows shlibs with unloaded symbols"
 187     }
 188   timeout {fail "(timeout) info sharedlibrary shows shlibs with unloaded symbols"}
 189 }
 190
 191 # Verify that we can manually load the symbol table of a library
 192 # whose symbols weren't loaded.  (We'll pick the last one.)
 193 #
 194
 195 # I moved this test inside the one above, because the expect_out array is not ok if the
 196 # previous test has failed, and expect would error out (elz)
 197 #
 198 #send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
 199 #gdb_expect {
 200 #  -re "add symbol table.*y or n.*$"\
 201 #          {send_gdb "y\n"
 202 #           gdb_expect {
 203 #             -re "$gdb_prompt $" {pass "add-symbol-file"}
 204 #             timeout {fail "(timeout) add-symbol-file"}
 205 #           }}
 206 #  -re "$gdb_prompt $"\
 207 #          {fail "add-symbol-file"}
 208 #  timeout {fail "(timeout) add-symbol-file"}
 209 #}
 210
 211 # Verify that we can manually load the symbols for all libraries
 212 # which weren't already loaded.
 213 #
 214 # Warning!  On a machine with little free swap space, this may
 215 # fail!
 216 #
 217 send_gdb "sharedlibrary\n"
 218 gdb_expect {
 219   -re "Reading symbols from.*done.*$gdb_prompt $"\
 220           {pass "sharedlibrary"}
 221   -re "$gdb_prompt $" {
 222         setup_xfail hppa*-*-* CHFts24108
 223         fail "sharedlibrary"
 224     }
 225   timeout {fail "(timeout) sharedlibrary"}
 226 }
 227
 228 # Rerun the program, this time verifying that we can set the
 229 # threshhold high enough to avoid hitting it.
 230 #
 231 # It appears that gdb isn't freeing memory when rerunning, as one
 232 # would expect.  To avoid potentially hitting a virtual memory
 233 # ceiling, start with a fresh gdb.
 234 #
 235 gdb_exit
 236 gdb_start
 237 gdb_reinitialize_dir $srcdir/$subdir
 238 gdb_load ${binfile}
 239
 240 send_gdb "break main\n"
 241 gdb_expect {
 242   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 243           {pass "2 set break at main"}
 244   -re "$gdb_prompt $"\
 245           {fail "2 set break at main"}
 246   timeout {fail "(timeout) 2 set break at main"}
 247 }
 248
 249 send_gdb "set auto-solib-limit 9999\n"
 250 gdb_expect {
 251   -re "$gdb_prompt $"\
 252           {pass "set auto-solib-limit threshold to practical infinity"}
 253   timeout {fail "(timeout) set auto-solib-limit threshold to practical infinity"}
 254 }
 255 send_gdb "run\n"
 256 gdb_expect {
 257   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 258 doing so would exceed the size threshold specified by auto-solib-limit.*
 259 To manually load symbols, use the 'sharedlibrary' command.*
 260 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 261 the program.*$gdb_prompt $"\
 262           {fail "rerun threshold at practical infinity (still hit threshold)"}
 263   -re "$gdb_prompt $"\
 264           {pass "rerun with threshold at practical infinity"}
 265   timeout {fail "(timeout) rerun with threshold at practical infinity"}
 266 }
 267
 268 # Rerun the program, this time altogether disabling the auto loading
 269 # feature.  There should be no information at all about shared
 270 # libraries now.
 271 #
 272 # ??rehrauer: Personally, I'd call that a bug, since it doesn't give
 273 # you the ability to manually load single shlibs (you need the text
 274 # start address that 'info share' normall gives you).  On the other
 275 # hand, one can easily choose to load them all...
 276 #
 277 # It appears that gdb isn't freeing memory when rerunning, as one
 278 # would expect.  To avoid potentially hitting a virtual memory
 279 # ceiling, start with a fresh gdb.
 280 #
 281 gdb_exit
 282 gdb_start
 283 gdb_reinitialize_dir $srcdir/$subdir
 284 gdb_load ${binfile}
 285
 286 send_gdb "break main\n"
 287 gdb_expect {
 288   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 289           {pass "3 set break at main"}
 290   -re "$gdb_prompt $"\
 291           {fail "3 set break at main"}
 292   timeout {fail "(timeout) 3 set break at main"}
 293 }
 294
 295 send_gdb "set auto-solib-limit 0\n"
 296 gdb_expect {
 297   -re "$gdb_prompt $"\
 298           {pass "set auto-solib-limit threshold to 0"}
 299   timeout {fail "(timeout) set auto-solib-limit threshold to 0"}
 300 }
 301 send_gdb "run\n"
 302 gdb_expect {
 303   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 304 doing so would exceed the size threshold specified by auto-solib-limit.*
 305 To manually load symbols, use the 'sharedlibrary' command.*
 306 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 307 the program.*$gdb_prompt $"\
 308           {fail "rerun threshold at 0 (still hit threshold)"}
 309   -re "$gdb_prompt $"\
 310           {pass "rerun with threshold at 0"}
 311   timeout {fail "(timeout) rerun with threshold at 0"}
 312 }
 313
 314 # Verify that we can still manually load symbols for all libraries.
 315 # (We'll assume that if the last shlib's symbols are loaded, that
 316 # all of them were.)
 317 #
 318 # Note that we set the GDB "height" variable to prevent GDB from
 319 # prompting
 320 #
 321 # Warning!  On a machine with little free swap space, this may
 322 # fail!
 323 #
 324 send_gdb "set height 9999\n"
 325 gdb_expect {
 326   -re "$gdb_prompt $"\
 327           {pass "set screen page height to practical infinity"}
 328   timeout {fail "(timeout) set screen page height to practical infinity"}
 329 }
 330 send_gdb "sharedlibrary\n"
 331 gdb_expect {
 332   -re ".*Reading symbols from .*/lib02-so-thresh\\.sl\\.\\.\\.done\\..*$gdb_prompt $"\
 333           {pass "manually load all symbols"}
 334   -re "$gdb_prompt $" {
 335         setup_xfail hppa*-*-* CHFts24108
 336         fail "manually load all symbols (CHFts24108)"
 337     }
 338   timeout {fail "(timeout) manually load all symbols"}
 339 }
 340
 341 return 0