gdb/testsuite/gdb.base/solib.exp

   1 #   Copyright 1997, 1998, 1999, 2007, 2008, 2009, 2010, 2011
   2 #   Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 if $tracelevel then {
  18         strace $tracelevel
  19         }
  20
  21
  22 # are we on a target board
  23 if ![isnative] then {
  24     return
  25 }
  26
  27 # This test is presently only valid on HP-UX.  It verifies GDB's
  28 # ability to catch loads and unloads of shared libraries.
  29 #
  30
  31 #setup_xfail "*-*-*"
  32 #clear_xfail "hppa*-*-*hpux*"
  33 if {![istarget "hppa*-*-hpux*"]} {
  34     return 0
  35 }
  36
  37 set testfile "solib"
  38 set srcfile ${testfile}.c
  39 set binfile ${objdir}/${subdir}/${testfile}
  40
  41 # build the first test case
  42 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  43      untested solib.exp
  44      return -1
  45 }
  46
  47 if [get_compiler_info ${binfile}] {
  48     return -1
  49 }
  50
  51 # Build the shared libraries this test case needs.
  52 #
  53 #cd ${subdir}
  54 #remote_exec build "$CC -g +z -c ${testfile}1.c -o ${testfile}1.o"
  55 #remote_exec build "$CC -g +z -c ${testfile}2.c -o ${testfile}2.o"
  56
  57 if {$gcc_compiled == 0} {
  58     if [istarget "hppa*-hp-hpux*"] then {
  59         set additional_flags "additional_flags=+z"
  60     } else {
  61         # don't know what the compiler is...
  62         set additional_flags ""
  63     }
  64 } else {
  65     set additional_flags "additional_flags=-fpic"
  66 }
  67
  68 if {[gdb_compile "${srcdir}/${subdir}/${testfile}1.c" "${binfile}1.o" object [list debug $additional_flags]] != ""} {
  69     perror "Couldn't compile ${testfile}1.c"
  70     #return -1
  71 }
  72 if {[gdb_compile "${srcdir}/${subdir}/${testfile}2.c" "${binfile}2.o" object [list debug, $additional_flags]] != ""} {
  73     perror "Couldn't compile ${testfile}2.c"
  74     #return -1
  75 }
  76
  77 if [istarget "hppa*-*-hpux*"] {
  78     remote_exec build "ld -b ${binfile}1.o -o ${binfile}1.sl"
  79     remote_exec build "ld -b ${binfile}2.o -o ${binfile}2.sl"
  80 } else {
  81     set additional_flags "additional_flags=-shared"
  82     gdb_compile "${binfile}1.o" "${binfile}1.sl" executable [list debug $additional_flags]
  83     gdb_compile "${binfile}2.o" "${binfile}2.sl" executable [list debug $additional_flags]
  84 }
  85
  86 # Build a version where the main program is in a shared library.  For
  87 # testing an indirect call made in a shared library.
  88
  89 if {[gdb_compile "${srcdir}/${subdir}/${testfile}.c" "${binfile}_sl.o" object [list debug $additional_flags]] != ""} {
  90     perror "Couldn't compile ${testfile}.c for ${binfile}_sl.o"
  91     #return -1
  92 }
  93
  94 if { [istarget "hppa*-*-hpux*"] } {
  95     remote_exec build "ld -b ${binfile}_sl.o -o ${binfile}_sl.sl"
  96 } else {
  97     set additional_flags "additional_flags=-shared"
  98     gdb_compile "${binfile}_sl.o" "${binfile}_sl.sl" executable [list debug $additional_flags]
  99 }
 100
 101 if { [istarget "hppa*-*-hpux*"] } {
 102     set additional_flags "-Wl,-u,main"
 103     if { [gdb_compile "${binfile}_sl.sl" "${binfile}_sl" executable [list debug $additional_flags]] != "" } {
 104         untested solib.exp
 105         return -1
 106     }
 107 } else {
 108     # FIXME: need to fill this part in for non-HP build
 109 }
 110
 111 #cd ..
 112
 113 # Start with a fresh gdb
 114
 115 gdb_exit
 116 gdb_start
 117 gdb_reinitialize_dir $srcdir/$subdir
 118 gdb_load ${binfile}
 119
 120 # This program manually loads and unloads SOM shared libraries, via calls
 121 # to shl_load and shl_unload.
 122 #
 123 if ![runto_main] then { fail "catch load/unload tests suppressed" }
 124
 125 # Verify that we complain if the user tells us to catch something we
 126 # don't understand.
 127 #
 128 send_gdb "catch a_cold\n"
 129 gdb_expect {
 130   -re "Unknown event kind specified for catch.*$gdb_prompt $"\
 131           {pass "bogus catch kind is disallowed"}
 132   -re "$gdb_prompt $"\
 133           {fail "bogus catch kind is disallowed"}
 134   timeout {fail "(timeout) bogus catch kind is disallowed"}
 135 }
 136
 137 # Verify that we can set a generic catchpoint on shlib loads.  I.e., that
 138 # we can catch any shlib load, without specifying the name.
 139 #
 140 send_gdb "catch load\n"
 141 gdb_expect {
 142   -re "Catchpoint \[0-9\]* .load <any library>.*$gdb_prompt $"\
 143           {pass "set generic catch load"}
 144   -re "$gdb_prompt $"\
 145           {fail "set generic catch load"}
 146   timeout {fail "(timeout) set generic catch load"}
 147 }
 148
 149 send_gdb "continue\n"
 150 gdb_expect {
 151   -re "Catchpoint \[0-9\] .loaded gdb.base/solib1.sl.*$gdb_prompt $"\
 152           {pass "caught generic solib load"}
 153   -re "$gdb_prompt $"\
 154           {fail "caught generic solib load"}
 155   timeout {fail "(timeout) caught generic solib load"}
 156 }
 157
 158 # Set a breakpoint on the line following the shl_load call, and
 159 # continue.
 160 #
 161 # ??rehrauer: It appears that we can't just say "finish" from here;
 162 # GDB is getting confused by the dld's presense on the stack.
 163 #
 164 send_gdb "break 27\n"
 165 gdb_expect {
 166   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 167           {pass "set break after shl_load"}
 168   -re "$gdb_prompt $"\
 169           {fail "set break after shl_load"}
 170   timeout {fail "(timeout) set break after shl_load"}
 171 }
 172
 173 send_gdb "continue\n"
 174 gdb_expect {
 175   -re "Breakpoint \[0-9\]*, main .. at .*solib.c:27.*$gdb_prompt $"\
 176           {pass "continue after generic catch load"}
 177   -re "$gdb_prompt $"\
 178           {fail "continue after generic catch load"}
 179   timeout {fail "(timeout) continue after generic catch load"}
 180 }
 181
 182 # Step over the call to shl_findsym.
 183 #
 184 # ??rehrauer: In theory, since the call to shl_load asked for
 185 # immediate binding of the shlib's symbols, and since the
 186 # shlib's symbols should have been auto-loaded, we ought to
 187 # be able to set a breakpoint on solib_main now.  However,
 188 # that seems not to be the case.  Dunno why for sure; perhaps
 189 # the breakpoint wants to be set on an import stub in the
 190 # main program for solib_main?  There wouldn't be one, in
 191 # this case...
 192 #
 193 send_gdb "next\n"
 194 gdb_expect {
 195   -re "$gdb_prompt $"\
 196           {pass "step over shl_findsym"}
 197   timeout {fail "(timeout) step over shl_findsym"}
 198 }
 199
 200 # Verify that we can catch an unload of any library.
 201 #
 202 send_gdb "catch unload\n"
 203 gdb_expect {
 204   -re "Catchpoint \[0-9\]* .unload <any library>.*$gdb_prompt $"\
 205           {pass "set generic catch unload"}
 206   -re "$gdb_prompt $"\
 207           {fail "set generic catch unload"}
 208   timeout {fail "(timeout) set generic catch load"}
 209 }
 210
 211 send_gdb "continue\n"
 212 gdb_expect {
 213   -re "Catchpoint \[0-9\] .unloaded gdb.base/solib1.sl.*$gdb_prompt $"\
 214           {pass "caught generic solib unload"}
 215   -re "$gdb_prompt $"\
 216           {fail "caught generic solib unload"}
 217   timeout {fail "(timeout) caught generic solib unload"}
 218 }
 219
 220 # Verify that we can catch a load of a specific library.  (Delete
 221 # all the other catchpoints first, so that the generic catchpoints
 222 # we've previously set don't trigger.)
 223 #
 224 send_gdb "delete\n"
 225 gdb_expect {
 226   -re "Delete all breakpoints.*y or n.*"\
 227           {send_gdb "y\n"
 228            gdb_expect {
 229              -re "$gdb_prompt $"\
 230                      {pass "delete all catchpoints"}
 231              timeout {fail "(timeout) delete all catchpoints"}
 232            }
 233           }
 234   -re "$gdb_prompt $"\
 235           {fail "delete all catchpoints"}
 236   timeout {fail "(timeout) delete all catchpoints"}
 237 }
 238
 239 send_gdb "catch load gdb.base/solib2.sl\n"
 240 gdb_expect {
 241   -re "Catchpoint \[0-9\]* .load gdb.base/solib2.sl.*$gdb_prompt $"\
 242           {pass "set specific catch load"}
 243   -re "$gdb_prompt $"\
 244           {fail "set specific catch load"}
 245   timeout {fail "(timeout) set specific catch load"}
 246 }
 247
 248 send_gdb "continue\n"
 249 gdb_expect {
 250   -re "Catchpoint \[0-9\] .loaded gdb.base/solib2.sl.*$gdb_prompt $"\
 251           {pass "caught specific solib load"}
 252   -re "$gdb_prompt $"\
 253           {fail "caught specific solib load"}
 254   timeout {fail "(timeout) caught specific solib load"}
 255 }
 256
 257 # Verify that we can catch an unload of a specific library.
 258 #
 259 send_gdb "catch unload gdb.base/solib2.sl\n"
 260 gdb_expect {
 261   -re "Catchpoint \[0-9\]* .unload gdb.base/solib2.sl.*$gdb_prompt $"\
 262           {pass "set specific catch unload"}
 263   -re "$gdb_prompt $"\
 264           {fail "set specific catch unload"}
 265   timeout {fail "(timeout) set specific catch unload"}
 266 }
 267
 268 send_gdb "continue\n"
 269 gdb_expect {
 270   -re "Catchpoint \[0-9\] .unloaded gdb.base/solib2.sl.*$gdb_prompt $"\
 271           {pass "caught specific solib unload"}
 272   -re "$gdb_prompt $"\
 273           {fail "caught specific solib unload"}
 274   timeout {fail "(timeout) caught specific solib unload"}
 275 }
 276
 277 # Verify that we can set a catchpoint on a specific library that
 278 # happens not to be loaded by the program.  And, that this catchpoint
 279 # won't trigger inappropriately when other shlibs are loaded.
 280 #
 281 send_gdb "break 55\n"
 282 gdb_expect {
 283   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 284           {pass "set break on shl_unload"}
 285   -re "$gdb_prompt $"\
 286           {fail "set break on shl_unload"}
 287   timeout {fail "(timeout) set break on shl_unload"}
 288 }
 289
 290 send_gdb "break 58\n"
 291 gdb_expect {
 292   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 293           {pass "set break after shl_unload"}
 294   -re "$gdb_prompt $"\
 295           {fail "set break after shl_unload"}
 296   timeout {fail "(timeout) set break after shl_unload"}
 297 }
 298
 299 send_gdb "catch load foobar.sl\n"
 300 gdb_expect {
 301   -re "Catchpoint \[0-9\]* .load foobar.sl.*$gdb_prompt $"\
 302           {pass "set specific catch load for nonloaded shlib"}
 303   -re "$gdb_prompt $"\
 304           {fail "set specific catch load for nonloaded shlib"}
 305   timeout {fail "(timeout) set specific catch load for nonloaded shlib"}
 306 }
 307
 308 send_gdb "catch unload foobar.sl\n"
 309 gdb_expect {
 310   -re "Catchpoint \[0-9\]* .unload foobar.sl.*$gdb_prompt $"\
 311           {pass "set specific catch unload for nonloaded shlib"}
 312   -re "$gdb_prompt $"\
 313           {fail "set specific catch unload for nonloaded shlib"}
 314   timeout {fail "(timeout) set specific catch unload for nonloaded shlib"}
 315 }
 316
 317 send_gdb "continue\n"
 318 gdb_expect {
 319   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 320           {pass "specific catch load doesn't trigger inappropriately"}
 321   -re "$gdb_prompt $"\
 322           {fail "specific catch load doesn't trigger inappropriately"}
 323   timeout {fail "(timeout) specific catch load doesn't trigger inappropriately"}
 324 }
 325
 326 send_gdb "continue\n"
 327 gdb_expect {
 328   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 329           {pass "specific catch unload doesn't trigger inappropriately"}
 330   -re "$gdb_prompt $"\
 331           {fail "specific catch unload doesn't trigger inappropriately"}
 332   timeout {fail "(timeout) specific catch unload doesn't trigger inappropriately"}
 333 }
 334
 335 # ??rehrauer: There ought to be testpoints here that verify that
 336 # load/unload catchpoints can use conditionals, can be temporary,
 337 # self-disabling, etc etc.
 338 #
 339
 340 gdb_exit
 341
 342 #
 343 # Test stepping into an indirect call in a shared library.
 344 #
 345
 346 gdb_start
 347 gdb_load ${binfile}_sl
 348 gdb_test "break main" ".*deferred. at .main..*" "break on main"
 349 gdb_test "run" ".*Breakpoint.*main.*solib.c.*" "hit breakpoint at main"
 350 gdb_test "break 45" "Breakpoint.*solib.c, line 45.*" "break on indirect call"
 351 gdb_test "continue" "Continuing.*solib.c:45.*" \
 352         "continue to break on indirect call"
 353 gdb_test "step" "solib_main.*solib1.c:17.*return arg.arg.*" \
 354         "step into indirect call from a shared library"
 355 gdb_exit
 356
 357 return 0