gdb/testsuite/gdb.base/solib.exp

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