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