gdb/testsuite/gdb.base/solib.exp

   1 #   Copyright 1997, 1998, 1999, 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 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 if $tracelevel then {
  20         strace $tracelevel
  21         }
  22
  23 set prms_id 0
  24 set bug_id 0
  25
  26 # are we on a target board
  27 if ![isnative] then {
  28     return
  29 }
  30
  31 # This test is presently only valid on HP-UX.  It verifies GDB's
  32 # ability to catch loads and unloads of shared libraries.
  33 #
  34
  35 #setup_xfail "*-*-*"
  36 #clear_xfail "hppa*-*-*hpux*"
  37 if {![istarget "hppa*-*-hpux*"]} {
  38     return 0
  39 }
  40
  41 set testfile "solib"
  42 set srcfile ${testfile}.c
  43 set binfile ${objdir}/${subdir}/${testfile}
  44
  45 # build the first test case
  46 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  47      untested solib.exp
  48      return -1
  49 }
  50
  51 if [get_compiler_info ${binfile}] {
  52     return -1
  53 }
  54
  55 # Build the shared libraries this test case needs.
  56 #
  57 #cd ${subdir}
  58 #remote_exec build "$CC -g +z -c ${testfile}1.c -o ${testfile}1.o"
  59 #remote_exec build "$CC -g +z -c ${testfile}2.c -o ${testfile}2.o"
  60
  61 if {$gcc_compiled == 0} {
  62     if [istarget "hppa*-hp-hpux*"] then {
  63         set additional_flags "additional_flags=+z"
  64     } else {
  65         # don't know what the compiler is...
  66         set additional_flags ""
  67     }
  68 } else {
  69     set additional_flags "additional_flags=-fpic"
  70 }
  71
  72 if {[gdb_compile "${srcdir}/${subdir}/${testfile}1.c" "${binfile}1.o" object [list debug $additional_flags]] != ""} {
  73     perror "Couldn't compile ${testfile}1.c"
  74     #return -1
  75 }
  76 if {[gdb_compile "${srcdir}/${subdir}/${testfile}2.c" "${binfile}2.o" object [list debug, $additional_flags]] != ""} {
  77     perror "Couldn't compile ${testfile}2.c"
  78     #return -1
  79 }
  80
  81 if [istarget "hppa*-*-hpux*"] {
  82     remote_exec build "ld -b ${binfile}1.o -o ${binfile}1.sl"
  83     remote_exec build "ld -b ${binfile}2.o -o ${binfile}2.sl"
  84 } else {
  85     set additional_flags "additional_flags=-shared"
  86     gdb_compile "${binfile}1.o" "${binfile}1.sl" executable [list debug $additional_flags]
  87     gdb_compile "${binfile}2.o" "${binfile}2.sl" executable [list debug $additional_flags]
  88 }
  89
  90 # Build a version where the main program is in a shared library.  For
  91 # testing an indirect call made in a shared library.
  92
  93 if {[gdb_compile "${srcdir}/${subdir}/${testfile}.c" "${binfile}_sl.o" object [list debug $additional_flags]] != ""} {
  94     perror "Couldn't compile ${testfile}.c for ${binfile}_sl.o"
  95     #return -1
  96 }
  97
  98 if { [istarget "hppa*-*-hpux*"] } {
  99     remote_exec build "ld -b ${binfile}_sl.o -o ${binfile}_sl.sl"
 100 } else {
 101     set additional_flags "additional_flags=-shared"
 102     gdb_compile "${binfile}_sl.o" "${binfile}_sl.sl" executable [list debug $additional_flags]
 103 }
 104
 105 if { [istarget "hppa*-*-hpux*"] } {
 106     set additional_flags "-Wl,-u,main"
 107     if { [gdb_compile "${binfile}_sl.sl" "${binfile}_sl" executable [list debug $additional_flags]] != "" } {
 108         untested solib.exp
 109         return -1
 110     }
 111 } else {
 112     # FIXME: need to fill this part in for non-HP build
 113 }
 114
 115 #cd ..
 116
 117 # Start with a fresh gdb
 118
 119 gdb_exit
 120 gdb_start
 121 gdb_reinitialize_dir $srcdir/$subdir
 122 gdb_load ${binfile}
 123
 124 # This program manually loads and unloads SOM shared libraries, via calls
 125 # to shl_load and shl_unload.
 126 #
 127 if ![runto_main] then { fail "catch load/unload tests suppressed" }
 128
 129 # Verify that we complain if the user tells us to catch something we
 130 # don't understand.
 131 #
 132 send_gdb "catch a_cold\n"
 133 gdb_expect {
 134   -re "Unknown event kind specified for catch.*$gdb_prompt $"\
 135           {pass "bogus catch kind is disallowed"}
 136   -re "$gdb_prompt $"\
 137           {fail "bogus catch kind is disallowed"}
 138   timeout {fail "(timeout) bogus catch kind is disallowed"}
 139 }
 140
 141 # Verify that we can set a generic catchpoint on shlib loads.  I.e., that
 142 # we can catch any shlib load, without specifying the name.
 143 #
 144 send_gdb "catch load\n"
 145 gdb_expect {
 146   -re "Catchpoint \[0-9\]* .load <any library>.*$gdb_prompt $"\
 147           {pass "set generic catch load"}
 148   -re "$gdb_prompt $"\
 149           {fail "set generic catch load"}
 150   timeout {fail "(timeout) set generic catch load"}
 151 }
 152
 153 send_gdb "continue\n"
 154 gdb_expect {
 155   -re "Catchpoint \[0-9\] .loaded gdb.base/solib1.sl.*$gdb_prompt $"\
 156           {pass "caught generic solib load"}
 157   -re "$gdb_prompt $"\
 158           {fail "caught generic solib load"}
 159   timeout {fail "(timeout) caught generic solib load"}
 160 }
 161
 162 # Set a breakpoint on the line following the shl_load call, and
 163 # continue.
 164 #
 165 # ??rehrauer: It appears that we can't just say "finish" from here;
 166 # GDB is getting confused by the dld's presense on the stack.
 167 #
 168 send_gdb "break 27\n"
 169 gdb_expect {
 170   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 171           {pass "set break after shl_load"}
 172   -re "$gdb_prompt $"\
 173           {fail "set break after shl_load"}
 174   timeout {fail "(timeout) set break after shl_load"}
 175 }
 176
 177 send_gdb "continue\n"
 178 gdb_expect {
 179   -re "Breakpoint \[0-9\]*, main .. at .*solib.c:27.*$gdb_prompt $"\
 180           {pass "continue after generic catch load"}
 181   -re "$gdb_prompt $"\
 182           {fail "continue after generic catch load"}
 183   timeout {fail "(timeout) continue after generic catch load"}
 184 }
 185
 186 # Step over the call to shl_findsym.
 187 #
 188 # ??rehrauer: In theory, since the call to shl_load asked for
 189 # immediate binding of the shlib's symbols, and since the
 190 # shlib's symbols should have been auto-loaded, we ought to
 191 # be able to set a breakpoint on solib_main now.  However,
 192 # that seems not to be the case.  Dunno why for sure; perhaps
 193 # the breakpoint wants to be set on an import stub in the
 194 # main program for solib_main?  There wouldn't be one, in
 195 # this case...
 196 #
 197 send_gdb "next\n"
 198 gdb_expect {
 199   -re "$gdb_prompt $"\
 200           {pass "step over shl_findsym"}
 201   timeout {fail "(timeout) step over shl_findsym"}
 202 }
 203
 204 # Verify that we can catch an unload of any library.
 205 #
 206 send_gdb "catch unload\n"
 207 gdb_expect {
 208   -re "Catchpoint \[0-9\]* .unload <any library>.*$gdb_prompt $"\
 209           {pass "set generic catch unload"}
 210   -re "$gdb_prompt $"\
 211           {fail "set generic catch unload"}
 212   timeout {fail "(timeout) set generic catch load"}
 213 }
 214
 215 send_gdb "continue\n"
 216 gdb_expect {
 217   -re "Catchpoint \[0-9\] .unloaded gdb.base/solib1.sl.*$gdb_prompt $"\
 218           {pass "caught generic solib unload"}
 219   -re "$gdb_prompt $"\
 220           {fail "caught generic solib unload"}
 221   timeout {fail "(timeout) caught generic solib unload"}
 222 }
 223
 224 # Verify that we can catch a load of a specific library.  (Delete
 225 # all the other catchpoints first, so that the generic catchpoints
 226 # we've previously set don't trigger.)
 227 #
 228 send_gdb "delete\n"
 229 gdb_expect {
 230   -re "Delete all breakpoints.*y or n.*"\
 231           {send_gdb "y\n"
 232            gdb_expect {
 233              -re "$gdb_prompt $"\
 234                      {pass "delete all catchpoints"}
 235              timeout {fail "(timeout) delete all catchpoints"}
 236            }
 237           }
 238   -re "$gdb_prompt $"\
 239           {fail "delete all catchpoints"}
 240   timeout {fail "(timeout) delete all catchpoints"}
 241 }
 242
 243 send_gdb "catch load gdb.base/solib2.sl\n"
 244 gdb_expect {
 245   -re "Catchpoint \[0-9\]* .load gdb.base/solib2.sl.*$gdb_prompt $"\
 246           {pass "set specific catch load"}
 247   -re "$gdb_prompt $"\
 248           {fail "set specific catch load"}
 249   timeout {fail "(timeout) set specific catch load"}
 250 }
 251
 252 send_gdb "continue\n"
 253 gdb_expect {
 254   -re "Catchpoint \[0-9\] .loaded gdb.base/solib2.sl.*$gdb_prompt $"\
 255           {pass "caught specific solib load"}
 256   -re "$gdb_prompt $"\
 257           {fail "caught specific solib load"}
 258   timeout {fail "(timeout) caught specific solib load"}
 259 }
 260
 261 # Verify that we can catch an unload of a specific library.
 262 #
 263 send_gdb "catch unload gdb.base/solib2.sl\n"
 264 gdb_expect {
 265   -re "Catchpoint \[0-9\]* .unload gdb.base/solib2.sl.*$gdb_prompt $"\
 266           {pass "set specific catch unload"}
 267   -re "$gdb_prompt $"\
 268           {fail "set specific catch unload"}
 269   timeout {fail "(timeout) set specific catch unload"}
 270 }
 271
 272 send_gdb "continue\n"
 273 gdb_expect {
 274   -re "Catchpoint \[0-9\] .unloaded gdb.base/solib2.sl.*$gdb_prompt $"\
 275           {pass "caught specific solib unload"}
 276   -re "$gdb_prompt $"\
 277           {fail "caught specific solib unload"}
 278   timeout {fail "(timeout) caught specific solib unload"}
 279 }
 280
 281 # Verify that we can set a catchpoint on a specific library that
 282 # happens not to be loaded by the program.  And, that this catchpoint
 283 # won't trigger inappropriately when other shlibs are loaded.
 284 #
 285 send_gdb "break 55\n"
 286 gdb_expect {
 287   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 288           {pass "set break on shl_unload"}
 289   -re "$gdb_prompt $"\
 290           {fail "set break on shl_unload"}
 291   timeout {fail "(timeout) set break on shl_unload"}
 292 }
 293
 294 send_gdb "break 58\n"
 295 gdb_expect {
 296   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 297           {pass "set break after shl_unload"}
 298   -re "$gdb_prompt $"\
 299           {fail "set break after shl_unload"}
 300   timeout {fail "(timeout) set break after shl_unload"}
 301 }
 302
 303 send_gdb "catch load foobar.sl\n"
 304 gdb_expect {
 305   -re "Catchpoint \[0-9\]* .load foobar.sl.*$gdb_prompt $"\
 306           {pass "set specific catch load for nonloaded shlib"}
 307   -re "$gdb_prompt $"\
 308           {fail "set specific catch load for nonloaded shlib"}
 309   timeout {fail "(timeout) set specific catch load for nonloaded shlib"}
 310 }
 311
 312 send_gdb "catch unload foobar.sl\n"
 313 gdb_expect {
 314   -re "Catchpoint \[0-9\]* .unload foobar.sl.*$gdb_prompt $"\
 315           {pass "set specific catch unload for nonloaded shlib"}
 316   -re "$gdb_prompt $"\
 317           {fail "set specific catch unload for nonloaded shlib"}
 318   timeout {fail "(timeout) set specific catch unload for nonloaded shlib"}
 319 }
 320
 321 send_gdb "continue\n"
 322 gdb_expect {
 323   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 324           {pass "specific catch load doesn't trigger inappropriately"}
 325   -re "$gdb_prompt $"\
 326           {fail "specific catch load doesn't trigger inappropriately"}
 327   timeout {fail "(timeout) specific catch load doesn't trigger inappropriately"}
 328 }
 329
 330 send_gdb "continue\n"
 331 gdb_expect {
 332   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 333           {pass "specific catch unload doesn't trigger inappropriately"}
 334   -re "$gdb_prompt $"\
 335           {fail "specific catch unload doesn't trigger inappropriately"}
 336   timeout {fail "(timeout) specific catch unload doesn't trigger inappropriately"}
 337 }
 338
 339 # ??rehrauer: There ought to be testpoints here that verify that
 340 # load/unload catchpoints can use conditionals, can be temporary,
 341 # self-disabling, etc etc.
 342 #
 343
 344 gdb_exit
 345
 346 #
 347 # Test stepping into an indirect call in a shared library.
 348 #
 349
 350 gdb_start
 351 gdb_load ${binfile}_sl
 352 gdb_test "break main" ".*deferred. at .main..*" "break on main"
 353 gdb_test "run" ".*Breakpoint.*main.*solib.c.*" "hit breakpoint at main"
 354 gdb_test "break 45" "Breakpoint.*solib.c, line 45.*" "break on indirect call"
 355 gdb_test "continue" "Continuing.*solib.c:45.*" \
 356         "continue to break on indirect call"
 357 gdb_test "step" "solib_main.*solib1.c:17.*return arg.arg.*" \
 358         "step into indirect call from a shared library"
 359 gdb_exit
 360
 361 return 0