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

   1 #   Copyright (C) 1997-2013 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
  17 if { [skip_hp_tests] } then { continue }
  18
  19 set testfile "so-thresh"
  20 set binfile ${objdir}/${subdir}/${testfile}
  21
  22 if [get_compiler_info] {
  23     return -1
  24 }
  25
  26 # This testcase is relatively large, and therefore can take awhile to
  27 # load.  We'd best set the timeout to something suitable, or we may
  28 # seem to fail...
  29 #
  30 set timeout 60
  31
  32 # Build procedure for this testcase:
  33 #    ${srcdir}/${subdir}/so-thresh.sh ${subdir}
  34 #        which calls,
  35 #        make -f ${srcdir}/${subdir}/so-thresh.mk <targets> <macros>
  36 #            which builds,
  37 #                genso-thresh (from genso-thresh.c)
  38 #                    which generates,
  39 #                        lib00-so-thresh.c
  40 #                        lib01-so-thresh.c
  41 #                        lib02-so-thresh.c
  42 #                        so-thresh.lopt (link options file)
  43 #                lib0*-so-thresh.sl (from .c files above)
  44 #                so-thresh (from so-thresh.c)
  45 #                    using lib0*-so-thresh.sl and so-thresh.lopt
  46 #
  47 # Since so-thresh.mk requires SRCDIR and OBJDIR macro definitions,
  48 # and SRCDIR / OBJDIR could be in relative path format, we use
  49 # so-thresh.sh script to pin down SRCDIR / OBJDIR (using $PWD/ prefix
  50 # when detected relative path values for srcdir / objdir), before the
  51 # 'cd $subdir' call (when this can be done in TCL here, we can call
  52 # make directly instead).
  53 #
  54 # remote_exec build "sh -c \\\"cd ${objdir}/${subdir}\\; make -v -f ${srcdir}/${subdir}/${testfile}.mk clean require_shlibs all SRCDIR=${srcdir}/${subdir} OBJDIR=${objdir}/${subdir}\\\""
  55
  56 remote_exec build "${srcdir}/${subdir}/${testfile}.sh $subdir"
  57
  58 # Only HP-UX (and any other platforms using SOM shared libraries, I
  59 # guess) interprets the auto-solib-limit variable as a threshhold,
  60 # rather than a boolean that strictly enables or disables automatic
  61 # loading of shlib symbol tables.
  62 #
  63 # On HP-UX, it is the size threshhold (in megabytes) at which to
  64 # stop auto loading of symbol tables.
  65 #
  66 if ![istarget "hppa*-hp-hpux*"] then {
  67    setup_xfail "*-*-*"
  68 }
  69
  70 # Start with a fresh gdb
  71 #
  72 gdb_exit
  73 gdb_start
  74 gdb_reinitialize_dir $srcdir/$subdir
  75 gdb_load ${binfile}
  76
  77 # This is a test of gdb's ability on HP-UX to stop automatically
  78 # loading symbols of shared libraries, when the total size of the
  79 # debugger's symbol table reaches a specified threshhold.
  80 #
  81
  82 # On HP-UX, the help text for auto-solib-limit mentions that it
  83 # serves as a threshhold.
  84 #
  85 send_gdb "help set auto-solib-limit\n"
  86 gdb_expect {
  87   -re "Set threshold .in Mb. for autoloading shared library symbols.*
  88 When shared library autoloading is enabled, new libraries will be loaded.*
  89 only until the total size of shared library symbols exceeds this.*
  90 threshold in megabytes.  Is ignored when using .sharedlibrary.*$gdb_prompt $"\
  91           {pass "help set auto-solib-limit"}
  92   -re "$gdb_prompt $"\
  93           {fail "help set auto-solib-limit"}
  94   timeout {fail "(timeout) help set auto-solib-limit"}
  95 }
  96
  97 # On HP-UX, the threshhold is by default set to 50, which means
  98 # 50 megabytes.
  99 #
 100 send_gdb "show auto-solib-limit\n"
 101 gdb_expect {
 102   -re "Threshold .in Mb. for autoloading shared library symbols is $decimal.*$gdb_prompt $"\
 103           {pass "show auto-solib-limit "}
 104   -re "$gdb_prompt $"\
 105           {fail "show auto-solib-limit "}
 106   timeout {fail "(timeout) show auto-solib-limit "}
 107 }
 108
 109 send_gdb "set auto-solib-limit 1\n"
 110 gdb_expect {
 111    -re ".*$gdb_prompt $"
 112             {pass "set auto-solib-limit to 1"}
 113    -re ".*$gdb_prompt $"
 114             {fail "set auto-solib-limit to 1"}
 115    timeout {fail "(timeout) set auto-solib-limit to 1"}
 116 }
 117
 118
 119 # We have manually verified that our testcase exceeds 1 Mbytes
 120 # of heap space in GDB to hold the symbols for the main program
 121 # and all associated linked-against libraries.  Thus, when we
 122 # run to the program's main, and therefore notice all the linked-
 123 # against shlibs, we expect to hit the threshhold.
 124 #
 125 # (Note that we're not using the expect [runto main] function here,
 126 # 'cause we want to match on output from the run command.
 127 #
 128 send_gdb "break main\n"
 129 gdb_expect {
 130   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 131           {pass "1 set break at main"}
 132   -re "$gdb_prompt $"\
 133           {fail "1 set break at main"}
 134   timeout {fail "(timeout) 1 set break at main"}
 135 }
 136
 137 send_gdb "run\n"
 138 gdb_expect {
 139   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 140 doing so would exceed the size threshold specified by auto-solib-limit.*
 141 To manually load symbols, use the 'sharedlibrary' command.*
 142 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 143 the program.*$gdb_prompt $"\
 144           {pass "run to main hit auto-solib-limit threshold"}
 145   -re "$gdb_prompt $"\
 146           {fail "run to main hit auto-solib-limit threshold"}
 147   timeout {fail "(timeout) run to main hit auto-solib-limit threshold"}
 148 }
 149
 150 # Verify that "info share" mentions something about libraries whose
 151 # symbols weren't loaded.
 152 #
 153 # We'll assume that at least the last two shlib's symbols weren't
 154 # loaded.  As a side-effect of matching this pattern, the text start
 155 # address of the last one is captured in expect_out(1,string).
 156 # (we'll need it for the 'add-symbol-file' command in a nonce...)
 157 #
 158 send_gdb "info sharedlibrary\n"
 159 gdb_expect {
 160   -re ".*lib01_$testfile.sl .*symbols not loaded.*0x\[0-9\]*  (0x\[0-9a-fA-F\]*).*$gdb_prompt $"\
 161           { send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
 162             gdb_expect {
 163               -re "add symbol table.*y or n.*$"\
 164                       {send_gdb "y\n"
 165                        gdb_expect {
 166                          -re "$gdb_prompt $" {pass "add-symbol-file and info sharedlib"}
 167                          timeout {fail "(timeout) add-symbol-file and info sharedlib"}
 168                        }}
 169               -re "$gdb_prompt $"\
 170                       {fail "add-symbol-file and info sharedlib"}
 171               timeout {fail "(timeout) add-symbol-file and info sharedlib"}
 172             }
 173           }
 174   -re "$gdb_prompt $" {
 175         setup_xfail hppa*-*-* CHFts24108
 176         fail "info sharedlibrary shows shlibs with unloaded symbols"
 177     }
 178   timeout {fail "(timeout) info sharedlibrary shows shlibs with unloaded symbols"}
 179 }
 180
 181 # Verify that we can manually load the symbol table of a library
 182 # whose symbols weren't loaded.  (We'll pick the last one.)
 183 #
 184
 185 # I moved this test inside the one above, because the expect_out array is not ok if the
 186 # previous test has failed, and expect would error out (elz)
 187 #
 188 #send_gdb "add-symbol-file lib02_$testfile.sl $expect_out(1,string)\n"
 189 #gdb_expect {
 190 #  -re "add symbol table.*y or n.*$"\
 191 #          {send_gdb "y\n"
 192 #           gdb_expect {
 193 #             -re "$gdb_prompt $" {pass "add-symbol-file"}
 194 #             timeout {fail "(timeout) add-symbol-file"}
 195 #           }}
 196 #  -re "$gdb_prompt $"\
 197 #          {fail "add-symbol-file"}
 198 #  timeout {fail "(timeout) add-symbol-file"}
 199 #}
 200
 201 # Verify that we can manually load the symbols for all libraries
 202 # which weren't already loaded.
 203 #
 204 # Warning!  On a machine with little free swap space, this may
 205 # fail!
 206 #
 207 send_gdb "sharedlibrary\n"
 208 gdb_expect {
 209   -re "Reading symbols from.*done.*$gdb_prompt $"\
 210           {pass "sharedlibrary"}
 211   -re "$gdb_prompt $" {
 212         setup_xfail hppa*-*-* CHFts24108
 213         fail "sharedlibrary"
 214     }
 215   timeout {fail "(timeout) sharedlibrary"}
 216 }
 217
 218 # Rerun the program, this time verifying that we can set the
 219 # threshhold high enough to avoid hitting it.
 220 #
 221 # It appears that gdb isn't freeing memory when rerunning, as one
 222 # would expect.  To avoid potentially hitting a virtual memory
 223 # ceiling, start with a fresh gdb.
 224 #
 225 gdb_exit
 226 gdb_start
 227 gdb_reinitialize_dir $srcdir/$subdir
 228 gdb_load ${binfile}
 229
 230 send_gdb "break main\n"
 231 gdb_expect {
 232   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 233           {pass "2 set break at main"}
 234   -re "$gdb_prompt $"\
 235           {fail "2 set break at main"}
 236   timeout {fail "(timeout) 2 set break at main"}
 237 }
 238
 239 send_gdb "set auto-solib-limit 9999\n"
 240 gdb_expect {
 241   -re "$gdb_prompt $"\
 242           {pass "set auto-solib-limit threshold to practical infinity"}
 243   timeout {fail "(timeout) set auto-solib-limit threshold to practical infinity"}
 244 }
 245 send_gdb "run\n"
 246 gdb_expect {
 247   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 248 doing so would exceed the size threshold specified by auto-solib-limit.*
 249 To manually load symbols, use the 'sharedlibrary' command.*
 250 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 251 the program.*$gdb_prompt $"\
 252           {fail "rerun threshold at practical infinity (still hit threshold)"}
 253   -re "$gdb_prompt $"\
 254           {pass "rerun with threshold at practical infinity"}
 255   timeout {fail "(timeout) rerun with threshold at practical infinity"}
 256 }
 257
 258 # Rerun the program, this time altogether disabling the auto loading
 259 # feature.  There should be no information at all about shared
 260 # libraries now.
 261 #
 262 # ??rehrauer: Personally, I'd call that a bug, since it doesn't give
 263 # you the ability to manually load single shlibs (you need the text
 264 # start address that 'info share' normall gives you).  On the other
 265 # hand, one can easily choose to load them all...
 266 #
 267 # It appears that gdb isn't freeing memory when rerunning, as one
 268 # would expect.  To avoid potentially hitting a virtual memory
 269 # ceiling, start with a fresh gdb.
 270 #
 271 gdb_exit
 272 gdb_start
 273 gdb_reinitialize_dir $srcdir/$subdir
 274 gdb_load ${binfile}
 275
 276 send_gdb "break main\n"
 277 gdb_expect {
 278   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 279           {pass "3 set break at main"}
 280   -re "$gdb_prompt $"\
 281           {fail "3 set break at main"}
 282   timeout {fail "(timeout) 3 set break at main"}
 283 }
 284
 285 send_gdb "set auto-solib-limit 0\n"
 286 gdb_expect {
 287   -re "$gdb_prompt $"\
 288           {pass "set auto-solib-limit threshold to 0"}
 289   timeout {fail "(timeout) set auto-solib-limit threshold to 0"}
 290 }
 291 send_gdb "run\n"
 292 gdb_expect {
 293   -re ".*warning. Symbols for some libraries have not been loaded, because.*
 294 doing so would exceed the size threshold specified by auto-solib-limit.*
 295 To manually load symbols, use the 'sharedlibrary' command.*
 296 To raise the threshold, set auto-solib-limit to a larger value and rerun.*
 297 the program.*$gdb_prompt $"\
 298           {fail "rerun threshold at 0 (still hit threshold)"}
 299   -re "$gdb_prompt $"\
 300           {pass "rerun with threshold at 0"}
 301   timeout {fail "(timeout) rerun with threshold at 0"}
 302 }
 303
 304 # Verify that we can still manually load symbols for all libraries.
 305 # (We'll assume that if the last shlib's symbols are loaded, that
 306 # all of them were.)
 307 #
 308 # Note that we set the GDB "height" variable to prevent GDB from
 309 # prompting
 310 #
 311 # Warning!  On a machine with little free swap space, this may
 312 # fail!
 313 #
 314 send_gdb "set height 9999\n"
 315 gdb_expect {
 316   -re "$gdb_prompt $"\
 317           {pass "set screen page height to practical infinity"}
 318   timeout {fail "(timeout) set screen page height to practical infinity"}
 319 }
 320 send_gdb "sharedlibrary\n"
 321 gdb_expect {
 322   -re ".*Reading symbols from .*/lib02-so-thresh\\.sl\\.\\.\\.done\\..*$gdb_prompt $"\
 323           {pass "manually load all symbols"}
 324   -re "$gdb_prompt $" {
 325         setup_xfail hppa*-*-* CHFts24108
 326         fail "manually load all symbols (CHFts24108)"
 327     }
 328   timeout {fail "(timeout) manually load all symbols"}
 329 }
 330
 331 return 0