1 # Copyright 1992, 1994, 1995, 1996, 1997, 1999, 2002, 2007, 2008, 2009
2 # Free Software Foundation, Inc.
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 3 of the License, or
7 # (at your option) any later version.
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.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # This file was written by Fred Fish. (fnf@cygnus.com)
27 set binfile ${objdir}/${subdir}/opaque
29 #if { [gdb_compile "${srcdir}/${subdir}/opaque0.c ${srcdir}/${subdir}/opaque1.c" "${binfile}" executable {debug}] != "" } {
30 # gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
33 if { [gdb_compile "${srcdir}/${subdir}/opaque0.c" "${binfile}0.o" object {debug}] != "" } {
38 if { [gdb_compile "${srcdir}/${subdir}/opaque1.c" "${binfile}1.o" object {debug}] != "" } {
43 if { [gdb_compile "${binfile}0.o ${binfile}1.o" ${binfile} executable {debug}] != "" } {
49 # Create and source the file that provides information about the compiler
50 # used to compile the test case.
51 if [get_compiler_info ${binfile}] {
55 # Start with a fresh gdb.
59 gdb_reinitialize_dir $srcdir/$subdir
63 # Test basic opaque structure handling (statically).
64 # The ordering of the tests is significant. We first try the things that
65 # might fail if gdb fails to connect the uses of opaque structures to
66 # the actual opaque structure definition.
68 # When we start up, gdb sets the file containing main() as the current
69 # source file. The actual structure foo is defined in a different file.
70 # A pointer (foop) to an instance of the opaque struct is defined in the same
71 # source file as main(). Ensure that gdb correctly "connected" the definition
72 # in the other file with the pointer to the opaque struct in the file containing
75 # Define a procedure to set up an xfail for all targets that do not support
76 # this sort of cross reference.
77 # Any target gcc that has a DBX_NO_XREFS definition in its config file will
78 # not support it (FIXME: Is this still true; I suspect maybe not).
80 # Native alpha ecoff doesn't support it either.
81 # I don't think this type of cross reference works for any COFF target
84 proc setup_xfail_on_opaque_pointer {} {
87 setup_xfail "vax-*-*" "i*86-sequent-bsd*"
88 if {!$gcc_compiled} then {
89 setup_xfail "alpha-*-*" "mips-sgi-irix5*"
93 # This seems easier than trying to track different versions of xlc; I'm
94 # not sure there is much rhyme or reason regarding which tests it fails
95 # and which ones it passes.
96 if {[istarget "rs6000-*-aix*"] && !$gcc_compiled} then {
97 warning "xfails in opaque.exp may not be set up correctly for xlc"
100 setup_xfail_on_opaque_pointer
101 gdb_test "whatis foop" \
102 "type = struct foo \[*\]+" \
103 "whatis on opaque struct pointer (statically)"
106 # Ensure that we know the form of the structure that foop points to.
108 setup_xfail_on_opaque_pointer
109 if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
110 gdb_test "ptype foop" \
111 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \
112 "ptype on opaque struct pointer (statically)"
115 # An instance of the opaque structure (afoo) is defined in a different file.
116 # Ensure that we can locate afoo and the structure definition.
118 gdb_test "whatis afoo" \
119 "type = struct foo" \
120 "whatis on opaque struct instance (statically)"
123 # Ensure that we know the form of "afoo".
125 gdb_test "ptype afoo" \
126 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
127 "ptype on opaque struct instance (statically)"
130 # Ensure that we know what a struct foo looks like.
132 gdb_test "ptype struct foo" \
133 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
134 "ptype on opaque struct tagname (statically)"
138 # Done with static tests, now test dynamic opaque structure handling.
139 # We reload the symbol table so we forget about anything we might
140 # have learned during the static tests.
143 if [istarget "mips-idt-*"] then {
144 # Restart because IDT/SIM runs out of file descriptors.
148 gdb_reinitialize_dir $srcdir/$subdir
151 # Run to main, where struct foo is incomplete.
153 perror "cannot run to breakpoint at main"
157 # The current source file is now the one containing main(). The structure foo
158 # is defined in a different file, but we have a pointer to an instance of
159 # the opaque structure in the current file. Ensure we know it's type.
161 setup_xfail_on_opaque_pointer
162 gdb_test "whatis foop" \
163 "type = struct foo \[*\]+" \
164 "whatis on opaque struct pointer (dynamically)"
167 # Ensure that we know the form of the thing foop points to.
169 setup_xfail_on_opaque_pointer
170 if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
171 gdb_test "ptype foop" \
172 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \
173 "ptype on opaque struct pointer (dynamically) 1"
175 gdb_test "whatis afoo" \
176 "type = struct foo" \
177 "whatis on opaque struct instance (dynamically) 1"
180 # Ensure that we know the form of afoo, an instance of a struct foo.
182 gdb_test "ptype afoo" \
183 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
184 "ptype on opaque struct instance (dynamically) 1"
187 # Ensure that we know the form of an explicit struct foo.
189 if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
190 gdb_test "ptype struct foo" \
191 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
192 "ptype on opaque struct tagname (dynamically) 1"
195 # Now reload the symbols again so we forget about anything we might
196 # have learned reading the symbols during the previous tests.
198 if [istarget "mips-idt-*"] then {
199 # Restart because IDT/SIM runs out of file descriptors.
203 gdb_reinitialize_dir $srcdir/$subdir
206 # Run to getfoo, where struct foo is complete.
208 perror "cannot run to breakpoint at getfoo"
212 # Ensure that we know what foop is.
214 setup_xfail_on_opaque_pointer
215 gdb_test "whatis foop" \
216 "type = struct foo \[*\]+" \
217 "whatis on opaque struct pointer (dynamically) 1"
220 # Ensure that we know the form of the thing foop points to.
222 setup_xfail_on_opaque_pointer
223 gdb_test "ptype foop" \
224 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \
225 "ptype on opaque struct pointer (dynamically) 2"
227 gdb_test "whatis afoo" \
228 "type = struct foo" \
229 "whatis on opaque struct instance (dynamically) 2"
232 # Ensure that we know the form of afoo, an instance of a struct foo.
234 gdb_test "ptype afoo" \
235 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
236 "ptype on opaque struct instance (dynamically) 2"
239 # Ensure that we know the form of an explicit struct foo.
241 gdb_test "ptype struct foo" \
242 "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
243 "ptype on opaque struct tagname (dynamically) 2"