gdb/testsuite/gdb.base/solib.exp

   1 #   Copyright 1997-2015 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 # are we on a target board
  18 if ![isnative] then {
  19     return
  20 }
  21
  22 # This test is presently only valid on HP-UX.  It verifies GDB's
  23 # ability to catch loads and unloads of shared libraries.
  24 #
  25
  26 #setup_xfail "*-*-*"
  27 #clear_xfail "hppa*-*-*hpux*"
  28 if {![istarget "hppa*-*-hpux*"]} {
  29     return 0
  30 }
  31
  32 set testfile "solib"
  33 set srcfile ${testfile}.c
  34 set binfile ${objdir}/${subdir}/${testfile}
  35
  36 # build the first test case
  37 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  38      untested solib.exp
  39      return -1
  40 }
  41
  42 if [get_compiler_info] {
  43     return -1
  44 }
  45
  46 # Build the shared libraries this test case needs.
  47 #
  48 #cd ${subdir}
  49 #remote_exec build "$CC -g +z -c ${testfile}1.c -o ${testfile}1.o"
  50 #remote_exec build "$CC -g +z -c ${testfile}2.c -o ${testfile}2.o"
  51
  52 if {$gcc_compiled == 0} {
  53     if [istarget "hppa*-hp-hpux*"] then {
  54         set additional_flags "additional_flags=+z"
  55     } else {
  56         # don't know what the compiler is...
  57         set additional_flags ""
  58     }
  59 } else {
  60     set additional_flags "additional_flags=-fpic"
  61 }
  62
  63 if {[gdb_compile "${srcdir}/${subdir}/${testfile}1.c" "${binfile}1.o" object [list debug $additional_flags]] != ""} {
  64     perror "Couldn't compile ${testfile}1.c"
  65     #return -1
  66 }
  67 if {[gdb_compile "${srcdir}/${subdir}/${testfile}2.c" "${binfile}2.o" object [list debug, $additional_flags]] != ""} {
  68     perror "Couldn't compile ${testfile}2.c"
  69     #return -1
  70 }
  71
  72 if [istarget "hppa*-*-hpux*"] {
  73     remote_exec build "ld -b ${binfile}1.o -o ${binfile}1.sl"
  74     remote_exec build "ld -b ${binfile}2.o -o ${binfile}2.sl"
  75 } else {
  76     set additional_flags "additional_flags=-shared"
  77     gdb_compile "${binfile}1.o" "${binfile}1.sl" executable [list debug $additional_flags]
  78     gdb_compile "${binfile}2.o" "${binfile}2.sl" executable [list debug $additional_flags]
  79 }
  80
  81 # Build a version where the main program is in a shared library.  For
  82 # testing an indirect call made in a shared library.
  83
  84 if {[gdb_compile "${srcdir}/${subdir}/${testfile}.c" "${binfile}_sl.o" object [list debug $additional_flags]] != ""} {
  85     perror "Couldn't compile ${testfile}.c for ${binfile}_sl.o"
  86     #return -1
  87 }
  88
  89 if { [istarget "hppa*-*-hpux*"] } {
  90     remote_exec build "ld -b ${binfile}_sl.o -o ${binfile}_sl.sl"
  91 } else {
  92     set additional_flags "additional_flags=-shared"
  93     gdb_compile "${binfile}_sl.o" "${binfile}_sl.sl" executable [list debug $additional_flags]
  94 }
  95
  96 if { [istarget "hppa*-*-hpux*"] } {
  97     set additional_flags "-Wl,-u,main"
  98     if { [gdb_compile "${binfile}_sl.sl" "${binfile}_sl" executable [list debug $additional_flags]] != "" } {
  99         untested solib.exp
 100         return -1
 101     }
 102 } else {
 103     # FIXME: need to fill this part in for non-HP build
 104 }
 105
 106 #cd ..
 107
 108 # Start with a fresh gdb
 109
 110 gdb_exit
 111 gdb_start
 112 gdb_reinitialize_dir $srcdir/$subdir
 113 gdb_load ${binfile}
 114
 115 # This program manually loads and unloads SOM shared libraries, via calls
 116 # to shl_load and shl_unload.
 117 #
 118 if ![runto_main] then { fail "catch load/unload tests suppressed" }
 119
 120 # Verify that we complain if the user tells us to catch something we
 121 # don't understand.
 122 #
 123 send_gdb "catch a_cold\n"
 124 gdb_expect {
 125   -re "Unknown event kind specified for catch.*$gdb_prompt $"\
 126           {pass "bogus catch kind is disallowed"}
 127   -re "$gdb_prompt $"\
 128           {fail "bogus catch kind is disallowed"}
 129   timeout {fail "(timeout) bogus catch kind is disallowed"}
 130 }
 131
 132 # Verify that we can set a generic catchpoint on shlib loads.  I.e., that
 133 # we can catch any shlib load, without specifying the name.
 134 #
 135 send_gdb "catch load\n"
 136 gdb_expect {
 137   -re "Catchpoint \[0-9\]* .load <any library>.*$gdb_prompt $"\
 138           {pass "set generic catch load"}
 139   -re "$gdb_prompt $"\
 140           {fail "set generic catch load"}
 141   timeout {fail "(timeout) set generic catch load"}
 142 }
 143
 144 send_gdb "continue\n"
 145 gdb_expect {
 146   -re "Catchpoint \[0-9\] .loaded gdb.base/solib1.sl.*$gdb_prompt $"\
 147           {pass "caught generic solib load"}
 148   -re "$gdb_prompt $"\
 149           {fail "caught generic solib load"}
 150   timeout {fail "(timeout) caught generic solib load"}
 151 }
 152
 153 # Set a breakpoint on the line following the shl_load call, and
 154 # continue.
 155 #
 156 # ??rehrauer: It appears that we can't just say "finish" from here;
 157 # GDB is getting confused by the dld's presense on the stack.
 158 #
 159 send_gdb "break 27\n"
 160 gdb_expect {
 161   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 162           {pass "set break after shl_load"}
 163   -re "$gdb_prompt $"\
 164           {fail "set break after shl_load"}
 165   timeout {fail "(timeout) set break after shl_load"}
 166 }
 167
 168 send_gdb "continue\n"
 169 gdb_expect {
 170   -re "Breakpoint \[0-9\]*, main .. at .*solib.c:27.*$gdb_prompt $"\
 171           {pass "continue after generic catch load"}
 172   -re "$gdb_prompt $"\
 173           {fail "continue after generic catch load"}
 174   timeout {fail "(timeout) continue after generic catch load"}
 175 }
 176
 177 # Step over the call to shl_findsym.
 178 #
 179 # ??rehrauer: In theory, since the call to shl_load asked for
 180 # immediate binding of the shlib's symbols, and since the
 181 # shlib's symbols should have been auto-loaded, we ought to
 182 # be able to set a breakpoint on solib_main now.  However,
 183 # that seems not to be the case.  Dunno why for sure; perhaps
 184 # the breakpoint wants to be set on an import stub in the
 185 # main program for solib_main?  There wouldn't be one, in
 186 # this case...
 187 #
 188 send_gdb "next\n"
 189 gdb_expect {
 190   -re "$gdb_prompt $"\
 191           {pass "step over shl_findsym"}
 192   timeout {fail "(timeout) step over shl_findsym"}
 193 }
 194
 195 # Verify that we can catch an unload of any library.
 196 #
 197 send_gdb "catch unload\n"
 198 gdb_expect {
 199   -re "Catchpoint \[0-9\]* .unload <any library>.*$gdb_prompt $"\
 200           {pass "set generic catch unload"}
 201   -re "$gdb_prompt $"\
 202           {fail "set generic catch unload"}
 203   timeout {fail "(timeout) set generic catch load"}
 204 }
 205
 206 send_gdb "continue\n"
 207 gdb_expect {
 208   -re "Catchpoint \[0-9\] .unloaded gdb.base/solib1.sl.*$gdb_prompt $"\
 209           {pass "caught generic solib unload"}
 210   -re "$gdb_prompt $"\
 211           {fail "caught generic solib unload"}
 212   timeout {fail "(timeout) caught generic solib unload"}
 213 }
 214
 215 # Verify that we can catch a load of a specific library.  (Delete
 216 # all the other catchpoints first, so that the generic catchpoints
 217 # we've previously set don't trigger.)
 218 #
 219 send_gdb "delete\n"
 220 gdb_expect {
 221   -re "Delete all breakpoints.*y or n.*"\
 222           {send_gdb "y\n"
 223            gdb_expect {
 224              -re "$gdb_prompt $"\
 225                      {pass "delete all catchpoints"}
 226              timeout {fail "(timeout) delete all catchpoints"}
 227            }
 228           }
 229   -re "$gdb_prompt $"\
 230           {fail "delete all catchpoints"}
 231   timeout {fail "(timeout) delete all catchpoints"}
 232 }
 233
 234 send_gdb "catch load gdb.base/solib2.sl\n"
 235 gdb_expect {
 236   -re "Catchpoint \[0-9\]* .load gdb.base/solib2.sl.*$gdb_prompt $"\
 237           {pass "set specific catch load"}
 238   -re "$gdb_prompt $"\
 239           {fail "set specific catch load"}
 240   timeout {fail "(timeout) set specific catch load"}
 241 }
 242
 243 send_gdb "continue\n"
 244 gdb_expect {
 245   -re "Catchpoint \[0-9\] .loaded gdb.base/solib2.sl.*$gdb_prompt $"\
 246           {pass "caught specific solib load"}
 247   -re "$gdb_prompt $"\
 248           {fail "caught specific solib load"}
 249   timeout {fail "(timeout) caught specific solib load"}
 250 }
 251
 252 # Verify that we can catch an unload of a specific library.
 253 #
 254 send_gdb "catch unload gdb.base/solib2.sl\n"
 255 gdb_expect {
 256   -re "Catchpoint \[0-9\]* .unload gdb.base/solib2.sl.*$gdb_prompt $"\
 257           {pass "set specific catch unload"}
 258   -re "$gdb_prompt $"\
 259           {fail "set specific catch unload"}
 260   timeout {fail "(timeout) set specific catch unload"}
 261 }
 262
 263 send_gdb "continue\n"
 264 gdb_expect {
 265   -re "Catchpoint \[0-9\] .unloaded gdb.base/solib2.sl.*$gdb_prompt $"\
 266           {pass "caught specific solib unload"}
 267   -re "$gdb_prompt $"\
 268           {fail "caught specific solib unload"}
 269   timeout {fail "(timeout) caught specific solib unload"}
 270 }
 271
 272 # Verify that we can set a catchpoint on a specific library that
 273 # happens not to be loaded by the program.  And, that this catchpoint
 274 # won't trigger inappropriately when other shlibs are loaded.
 275 #
 276 send_gdb "break 55\n"
 277 gdb_expect {
 278   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 279           {pass "set break on shl_unload"}
 280   -re "$gdb_prompt $"\
 281           {fail "set break on shl_unload"}
 282   timeout {fail "(timeout) set break on shl_unload"}
 283 }
 284
 285 send_gdb "break 58\n"
 286 gdb_expect {
 287   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 288           {pass "set break after shl_unload"}
 289   -re "$gdb_prompt $"\
 290           {fail "set break after shl_unload"}
 291   timeout {fail "(timeout) set break after shl_unload"}
 292 }
 293
 294 send_gdb "catch load foobar.sl\n"
 295 gdb_expect {
 296   -re "Catchpoint \[0-9\]* .load foobar.sl.*$gdb_prompt $"\
 297           {pass "set specific catch load for nonloaded shlib"}
 298   -re "$gdb_prompt $"\
 299           {fail "set specific catch load for nonloaded shlib"}
 300   timeout {fail "(timeout) set specific catch load for nonloaded shlib"}
 301 }
 302
 303 send_gdb "catch unload foobar.sl\n"
 304 gdb_expect {
 305   -re "Catchpoint \[0-9\]* .unload foobar.sl.*$gdb_prompt $"\
 306           {pass "set specific catch unload for nonloaded shlib"}
 307   -re "$gdb_prompt $"\
 308           {fail "set specific catch unload for nonloaded shlib"}
 309   timeout {fail "(timeout) set specific catch unload for nonloaded shlib"}
 310 }
 311
 312 send_gdb "continue\n"
 313 gdb_expect {
 314   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 315           {pass "specific catch load doesn't trigger inappropriately"}
 316   -re "$gdb_prompt $"\
 317           {fail "specific catch load doesn't trigger inappropriately"}
 318   timeout {fail "(timeout) specific catch load doesn't trigger inappropriately"}
 319 }
 320
 321 send_gdb "continue\n"
 322 gdb_expect {
 323   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 324           {pass "specific catch unload doesn't trigger inappropriately"}
 325   -re "$gdb_prompt $"\
 326           {fail "specific catch unload doesn't trigger inappropriately"}
 327   timeout {fail "(timeout) specific catch unload doesn't trigger inappropriately"}
 328 }
 329
 330 # ??rehrauer: There ought to be testpoints here that verify that
 331 # load/unload catchpoints can use conditionals, can be temporary,
 332 # self-disabling, etc etc.
 333 #
 334
 335 gdb_exit
 336
 337 #
 338 # Test stepping into an indirect call in a shared library.
 339 #
 340
 341 gdb_start
 342 gdb_load ${binfile}_sl
 343 gdb_test "break main" ".*deferred. at .main..*" "break on main"
 344 gdb_test "run" ".*Breakpoint.*main.*solib.c.*" "hit breakpoint at main"
 345 gdb_test "break 45" "Breakpoint.*solib.c, line 45.*" "break on indirect call"
 346 gdb_test "continue" "Continuing.*solib.c:45.*" \
 347         "continue to break on indirect call"
 348 gdb_test "step" "solib_main.*solib1.c:17.*return arg.arg.*" \
 349         "step into indirect call from a shared library"
 350 gdb_exit
 351
 352 return 0