gdb/testsuite/gdb.base/solib.exp

   1 #   Copyright (C) 1997, 1998 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 if $tracelevel then {
  21         strace $tracelevel
  22         }
  23
  24 set prms_id 0
  25 set bug_id 0
  26
  27 # are we on a target board
  28 if ![isnative] then {
  29     return
  30 }
  31
  32 # This test is presently only valid on HP-UX.  It verifies GDB's
  33 # ability to catch loads and unloads of shared libraries.
  34 #
  35
  36 #setup_xfail "*-*-*"
  37 #clear_xfail "hppa*-*-*hpux*"
  38 if {![istarget "hppa*-*-hpux*"]} {
  39     return 0
  40 }
  41
  42 set testfile "solib"
  43 set srcfile ${testfile}.c
  44 set binfile ${objdir}/${subdir}/${testfile}
  45
  46 # build the first test case
  47 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  48      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  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         gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 109     }
 110 } else {
 111     # FIXME: need to fill this part in for non-HP build
 112 }
 113
 114 #cd ..
 115
 116 # Start with a fresh gdb
 117
 118 gdb_exit
 119 gdb_start
 120 gdb_reinitialize_dir $srcdir/$subdir
 121 gdb_load ${binfile}
 122
 123 # This program manually loads and unloads SOM shared libraries, via calls
 124 # to shl_load and shl_unload.
 125 #
 126 if ![runto_main] then { fail "catch load/unload tests suppressed" }
 127
 128 # Verify that we complain if the user tells us to catch something we
 129 # don't understand.
 130 #
 131 send_gdb "catch a_cold\n"
 132 gdb_expect {
 133   -re "Unknown event kind specified for catch.*$gdb_prompt $"\
 134           {pass "bogus catch kind is disallowed"}
 135   -re "$gdb_prompt $"\
 136           {fail "bogus catch kind is disallowed"}
 137   timeout {fail "(timeout) bogus catch kind is disallowed"}
 138 }
 139
 140 # Verify that we can set a generic catchpoint on shlib loads.  I.e., that
 141 # we can catch any shlib load, without specifying the name.
 142 #
 143 send_gdb "catch load\n"
 144 gdb_expect {
 145   -re "Catchpoint \[0-9\]* .load <any library>.*$gdb_prompt $"\
 146           {pass "set generic catch load"}
 147   -re "$gdb_prompt $"\
 148           {fail "set generic catch load"}
 149   timeout {fail "(timeout) set generic catch load"}
 150 }
 151
 152 send_gdb "continue\n"
 153 gdb_expect {
 154   -re "Catchpoint \[0-9\] .loaded gdb.base/solib1.sl.*$gdb_prompt $"\
 155           {pass "caught generic solib load"}
 156   -re "$gdb_prompt $"\
 157           {fail "caught generic solib load"}
 158   timeout {fail "(timeout) caught generic solib load"}
 159 }
 160
 161 # Set a breakpoint on the line following the shl_load call, and
 162 # continue.
 163 #
 164 # ??rehrauer: It appears that we can't just say "finish" from here;
 165 # GDB is getting confused by the dld's presense on the stack.
 166 #
 167 send_gdb "break 27\n"
 168 gdb_expect {
 169   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 170           {pass "set break after shl_load"}
 171   -re "$gdb_prompt $"\
 172           {fail "set break after shl_load"}
 173   timeout {fail "(timeout) set break after shl_load"}
 174 }
 175
 176 send_gdb "continue\n"
 177 gdb_expect {
 178   -re "Breakpoint \[0-9\]*, main .. at .*solib.c:27.*$gdb_prompt $"\
 179           {pass "continue after generic catch load"}
 180   -re "$gdb_prompt $"\
 181           {fail "continue after generic catch load"}
 182   timeout {fail "(timeout) continue after generic catch load"}
 183 }
 184
 185 # Step over the call to shl_findsym.
 186 #
 187 # ??rehrauer: In theory, since the call to shl_load asked for
 188 # immediate binding of the shlib's symbols, and since the
 189 # shlib's symbols should have been auto-loaded, we ought to
 190 # be able to set a breakpoint on solib_main now.  However,
 191 # that seems not to be the case.  Dunno why for sure; perhaps
 192 # the breakpoint wants to be set on an import stub in the
 193 # main program for solib_main?  There wouldn't be one, in
 194 # this case...
 195 #
 196 send_gdb "next\n"
 197 gdb_expect {
 198   -re "$gdb_prompt $"\
 199           {pass "step over shl_findsym"}
 200   timeout {fail "(timeout) step over shl_findsym"}
 201 }
 202
 203 # Verify that we can catch an unload of any library.
 204 #
 205 send_gdb "catch unload\n"
 206 gdb_expect {
 207   -re "Catchpoint \[0-9\]* .unload <any library>.*$gdb_prompt $"\
 208           {pass "set generic catch unload"}
 209   -re "$gdb_prompt $"\
 210           {fail "set generic catch unload"}
 211   timeout {fail "(timeout) set generic catch load"}
 212 }
 213
 214 send_gdb "continue\n"
 215 gdb_expect {
 216   -re "Catchpoint \[0-9\] .unloaded gdb.base/solib1.sl.*$gdb_prompt $"\
 217           {pass "caught generic solib unload"}
 218   -re "$gdb_prompt $"\
 219           {fail "caught generic solib unload"}
 220   timeout {fail "(timeout) caught generic solib unload"}
 221 }
 222
 223 # Verify that we can catch a load of a specific library.  (Delete
 224 # all the other catchpoints first, so that the generic catchpoints
 225 # we've previously set don't trigger.)
 226 #
 227 send_gdb "delete\n"
 228 gdb_expect {
 229   -re "Delete all breakpoints.*y or n.*"\
 230           {send_gdb "y\n"
 231            gdb_expect {
 232              -re "$gdb_prompt $"\
 233                      {pass "delete all catchpoints"}
 234              timeout {fail "(timeout) delete all catchpoints"}
 235            }
 236           }
 237   -re "$gdb_prompt $"\
 238           {fail "delete all catchpoints"}
 239   timeout {fail "(timeout) delete all catchpoints"}
 240 }
 241
 242 send_gdb "catch load gdb.base/solib2.sl\n"
 243 gdb_expect {
 244   -re "Catchpoint \[0-9\]* .load gdb.base/solib2.sl.*$gdb_prompt $"\
 245           {pass "set specific catch load"}
 246   -re "$gdb_prompt $"\
 247           {fail "set specific catch load"}
 248   timeout {fail "(timeout) set specific catch load"}
 249 }
 250
 251 send_gdb "continue\n"
 252 gdb_expect {
 253   -re "Catchpoint \[0-9\] .loaded gdb.base/solib2.sl.*$gdb_prompt $"\
 254           {pass "caught specific solib load"}
 255   -re "$gdb_prompt $"\
 256           {fail "caught specific solib load"}
 257   timeout {fail "(timeout) caught specific solib load"}
 258 }
 259
 260 # Verify that we can catch an unload of a specific library.
 261 #
 262 send_gdb "catch unload gdb.base/solib2.sl\n"
 263 gdb_expect {
 264   -re "Catchpoint \[0-9\]* .unload gdb.base/solib2.sl.*$gdb_prompt $"\
 265           {pass "set specific catch unload"}
 266   -re "$gdb_prompt $"\
 267           {fail "set specific catch unload"}
 268   timeout {fail "(timeout) set specific catch unload"}
 269 }
 270
 271 send_gdb "continue\n"
 272 gdb_expect {
 273   -re "Catchpoint \[0-9\] .unloaded gdb.base/solib2.sl.*$gdb_prompt $"\
 274           {pass "caught specific solib unload"}
 275   -re "$gdb_prompt $"\
 276           {fail "caught specific solib unload"}
 277   timeout {fail "(timeout) caught specific solib unload"}
 278 }
 279
 280 # Verify that we can set a catchpoint on a specific library that
 281 # happens not to be loaded by the program.  And, that this catchpoint
 282 # won't trigger inappropriately when other shlibs are loaded.
 283 #
 284 send_gdb "break 55\n"
 285 gdb_expect {
 286   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 287           {pass "set break on shl_unload"}
 288   -re "$gdb_prompt $"\
 289           {fail "set break on shl_unload"}
 290   timeout {fail "(timeout) set break on shl_unload"}
 291 }
 292
 293 send_gdb "break 58\n"
 294 gdb_expect {
 295   -re "Breakpoint \[0-9\]* at.*$gdb_prompt $"\
 296           {pass "set break after shl_unload"}
 297   -re "$gdb_prompt $"\
 298           {fail "set break after shl_unload"}
 299   timeout {fail "(timeout) set break after shl_unload"}
 300 }
 301
 302 send_gdb "catch load foobar.sl\n"
 303 gdb_expect {
 304   -re "Catchpoint \[0-9\]* .load foobar.sl.*$gdb_prompt $"\
 305           {pass "set specific catch load for nonloaded shlib"}
 306   -re "$gdb_prompt $"\
 307           {fail "set specific catch load for nonloaded shlib"}
 308   timeout {fail "(timeout) set specific catch load for nonloaded shlib"}
 309 }
 310
 311 send_gdb "catch unload foobar.sl\n"
 312 gdb_expect {
 313   -re "Catchpoint \[0-9\]* .unload foobar.sl.*$gdb_prompt $"\
 314           {pass "set specific catch unload for nonloaded shlib"}
 315   -re "$gdb_prompt $"\
 316           {fail "set specific catch unload for nonloaded shlib"}
 317   timeout {fail "(timeout) set specific catch unload for nonloaded shlib"}
 318 }
 319
 320 send_gdb "continue\n"
 321 gdb_expect {
 322   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 323           {pass "specific catch load doesn't trigger inappropriately"}
 324   -re "$gdb_prompt $"\
 325           {fail "specific catch load doesn't trigger inappropriately"}
 326   timeout {fail "(timeout) specific catch load doesn't trigger inappropriately"}
 327 }
 328
 329 send_gdb "continue\n"
 330 gdb_expect {
 331   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 332           {pass "specific catch unload doesn't trigger inappropriately"}
 333   -re "$gdb_prompt $"\
 334           {fail "specific catch unload doesn't trigger inappropriately"}
 335   timeout {fail "(timeout) specific catch unload doesn't trigger inappropriately"}
 336 }
 337
 338 # ??rehrauer: There ought to be testpoints here that verify that
 339 # load/unload catchpoints can use conditionals, can be temporary,
 340 # self-disabling, etc etc.
 341 #
 342
 343 gdb_exit
 344
 345 #
 346 # Test stepping into an indirect call in a shared library.
 347 #
 348
 349 gdb_start
 350 gdb_load ${binfile}_sl
 351 gdb_test "break main" ".*deferred. at .main..*" "break on main"
 352 gdb_test "run" ".*Breakpoint.*main.*solib.c.*" "hit breakpoint at main"
 353 gdb_test "break 45" "Breakpoint.*solib.c, line 45.*" "break on indirect call"
 354 gdb_test "continue" "Continuing.*solib.c:45.*" \
 355         "continue to break on indirect call"
 356 gdb_test "step" "solib_main.*solib1.c:17.*return arg.arg.*" \
 357         "step into indirect call from a shared library"
 358 gdb_exit
 359
 360 return 0