gdb/testsuite/gdb.base/opaque.exp

   1 # Copyright 1992, 1994, 1995, 1996, 1997, 1999, 2002, 2007
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@prep.ai.mit.edu
  20
  21 # This file was written by Fred Fish. (fnf@cygnus.com)
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 set prms_id 0
  28 set bug_id 0
  29
  30 set testfile "opaque"
  31 set binfile ${objdir}/${subdir}/opaque
  32
  33 #if  { [gdb_compile "${srcdir}/${subdir}/opaque0.c ${srcdir}/${subdir}/opaque1.c" "${binfile}" executable {debug}] != "" } {
  34 #     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  35 #}
  36
  37 if  { [gdb_compile "${srcdir}/${subdir}/opaque0.c" "${binfile}0.o" object {debug}] != "" } {
  38      untested opaque.exp
  39      return -1
  40 }
  41
  42 if  { [gdb_compile "${srcdir}/${subdir}/opaque1.c" "${binfile}1.o" object {debug}] != "" } {
  43      untested opaque.exp
  44      return -1
  45 }
  46
  47 if  { [gdb_compile "${binfile}0.o ${binfile}1.o" ${binfile} executable {debug}] != "" } {
  48      untested opaque.exp
  49      return -1
  50 }
  51
  52
  53 # Create and source the file that provides information about the compiler
  54 # used to compile the test case.
  55 if [get_compiler_info ${binfile}] {
  56     return -1;
  57 }
  58
  59 # Start with a fresh gdb.
  60
  61 gdb_exit
  62 gdb_start
  63 gdb_reinitialize_dir $srcdir/$subdir
  64 gdb_load ${binfile}
  65
  66 #
  67 # Test basic opaque structure handling (statically).
  68 # The ordering of the tests is significant.  We first try the things that
  69 # might fail if gdb fails to connect the uses of opaque structures to
  70 # the actual opaque structure definition.
  71
  72 # When we start up, gdb sets the file containing main() as the current
  73 # source file.  The actual structure foo is defined in a different file.
  74 # A pointer (foop) to an instance of the opaque struct is defined in the same
  75 # source file as main().  Ensure that gdb correctly "connected" the definition
  76 # in the other file with the pointer to the opaque struct in the file containing
  77 # "foop".
  78
  79 # Define a procedure to set up an xfail for all targets that do not support
  80 # this sort of cross reference.
  81 # Any target gcc that has a DBX_NO_XREFS definition in its config file will
  82 # not support it (FIXME: Is this still true; I suspect maybe not).
  83
  84 # Native alpha ecoff doesn't support it either.
  85 # I don't think this type of cross reference works for any COFF target
  86 # either.
  87
  88 proc setup_xfail_on_opaque_pointer {} {
  89         global gcc_compiled
  90
  91         setup_xfail "vax-*-*" "i*86-sequent-bsd*"
  92         if {!$gcc_compiled} then {
  93                 setup_xfail "alpha-*-*" "mips-sgi-irix5*"
  94         }
  95 }
  96
  97 # This seems easier than trying to track different versions of xlc; I'm
  98 # not sure there is much rhyme or reason regarding which tests it fails
  99 # and which ones it passes.
 100 if {[istarget "rs6000-*-aix*"] && !$gcc_compiled} then {
 101     warning "xfails in opaque.exp may not be set up correctly for xlc"
 102 }
 103
 104 setup_xfail_on_opaque_pointer
 105 gdb_test "whatis foop" \
 106     "type = struct foo \[*\]+" \
 107     "whatis on opaque struct pointer (statically)"
 108
 109
 110 # Ensure that we know the form of the structure that foop points to.
 111
 112 setup_xfail_on_opaque_pointer
 113 if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 114 gdb_test "ptype foop" \
 115     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\} \[*\]+" \
 116     "ptype on opaque struct pointer (statically)"
 117
 118
 119 # An instance of the opaque structure (afoo) is defined in a different file.
 120 # Ensure that we can locate afoo and the structure definition.
 121
 122 gdb_test "whatis afoo" \
 123     "type = struct foo" \
 124     "whatis on opaque struct instance (statically)"
 125
 126
 127 # Ensure that we know the form of "afoo".
 128
 129 gdb_test "ptype afoo" \
 130     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\}" \
 131     "ptype on opaque struct instance (statically)"
 132
 133
 134 # Ensure that we know what a struct foo looks like.
 135
 136 gdb_test "ptype struct foo" \
 137     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\}" \
 138     "ptype on opaque struct tagname (statically)"
 139
 140
 141 #
 142 # Done with static tests, now test dynamic opaque structure handling.
 143 # We reload the symbol table so we forget about anything we might
 144 # have learned during the static tests.
 145 #
 146
 147 if [istarget "mips-idt-*"] then {
 148     # Restart because IDT/SIM runs out of file descriptors.
 149     gdb_exit
 150     gdb_start
 151 }
 152 gdb_reinitialize_dir $srcdir/$subdir
 153 gdb_load ${binfile}
 154
 155 # Run to main, where struct foo is incomplete.
 156 if ![runto_main] {
 157     perror "cannot run to breakpoint at main"
 158 }
 159
 160
 161 # The current source file is now the one containing main().  The structure foo
 162 # is defined in a different file, but we have a pointer to an instance of
 163 # the opaque structure in the current file.  Ensure we know it's type.
 164
 165 setup_xfail_on_opaque_pointer
 166 gdb_test "whatis foop" \
 167     "type = struct foo \[*\]+" \
 168     "whatis on opaque struct pointer (dynamically)"
 169
 170
 171 # Ensure that we know the form of the thing foop points to.
 172
 173 setup_xfail_on_opaque_pointer
 174 if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 175 gdb_test "ptype foop" \
 176     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\} \[*\]+" \
 177     "ptype on opaque struct pointer (dynamically) 1"
 178
 179 gdb_test "whatis afoo" \
 180     "type = struct foo" \
 181     "whatis on opaque struct instance (dynamically) 1"
 182
 183
 184 # Ensure that we know the form of afoo, an instance of a struct foo.
 185
 186 gdb_test "ptype afoo" \
 187     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\}" \
 188     "ptype on opaque struct instance (dynamically) xyz 1"
 189
 190
 191 # Ensure that we know the form of an explicit struct foo.
 192
 193 if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 194 gdb_test "ptype struct foo" \
 195     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\}" \
 196     "ptype on opaque struct tagname (dynamically) 1"
 197
 198
 199 # Now reload the symbols again so we forget about anything we might
 200 # have learned reading the symbols during the previous tests.
 201
 202 if [istarget "mips-idt-*"] then {
 203     # Restart because IDT/SIM runs out of file descriptors.
 204     gdb_exit
 205     gdb_start
 206 }
 207 gdb_reinitialize_dir $srcdir/$subdir
 208 gdb_load ${binfile}
 209
 210 # Run to getfoo, where struct foo is complete.
 211 if ![runto getfoo] {
 212     perror "cannot run to breakpoint at getfoo"
 213 }
 214
 215
 216 # Ensure that we know what foop is.
 217
 218 setup_xfail_on_opaque_pointer
 219 gdb_test "whatis foop" \
 220     "type = struct foo \[*\]+" \
 221     "whatis on opaque struct pointer (dynamically) 1"
 222
 223
 224 # Ensure that we know the form of the thing foop points to.
 225
 226 setup_xfail_on_opaque_pointer
 227 if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 228 gdb_test "ptype foop" \
 229     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\} \[*\]+" \
 230     "ptype on opaque struct pointer (dynamically) 2"
 231
 232 gdb_test "whatis afoo" \
 233     "type = struct foo" \
 234     "whatis on opaque struct instance (dynamically) 1"
 235
 236
 237 # Ensure that we know the form of afoo, an instance of a struct foo.
 238
 239 gdb_test "ptype afoo" \
 240     "type = struct foo \{\r\n    int a;\r\n    int b;\r\n\}" \
 241     "ptype on opaque struct instance (dynamically) 1"
 242
 243 gdb_test "ptype afoo" \
 244     "type = struct foo \{\[\r\n\]*.*int a;\[\r\n\]*.*int b;\[\r\n\]*}\[\r\n\]*" \
 245     "ptype on opaque struct instance (dynamically) pqr 1"
 246
 247
 248 # Ensure that we know the form of an explicit struct foo.
 249
 250 gdb_test "ptype foop" \
 251     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\} \[*\]+" \
 252     "ptype on opaque struct pointer (dynamically) 2"
 253
 254 gdb_test "whatis afoo" \
 255     "type = struct foo" \
 256     "whatis on opaque struct instance (dynamically) 2"
 257
 258
 259 # Ensure that we know the form of afoo, an instance of a struct foo.
 260
 261 gdb_test "ptype afoo" \
 262     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\}" \
 263     "ptype on opaque struct instance (dynamically) 2"
 264
 265
 266 # Ensure that we know the form of an explicit struct foo.
 267
 268 gdb_test "ptype struct foo" \
 269     "type = struct foo \{\[\r\n\]+    int a;\[\r\n\]+    int b;\[\r\n\]+\}" \
 270     "ptype on opaque struct tagname (dynamically) 2"