diff options
Diffstat (limited to 'gdb/testsuite/gdb.base/opaque.exp')
| -rw-r--r-- | gdb/testsuite/gdb.base/opaque.exp | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/opaque.exp b/gdb/testsuite/gdb.base/opaque.exp new file mode 100644 index 00000000000..92e6459831f --- /dev/null +++ b/gdb/testsuite/gdb.base/opaque.exp @@ -0,0 +1,244 @@ +# Copyright (C) 1992, 1994, 1997 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# This file was written by Fred Fish. (fnf@cygnus.com) + +if $tracelevel then { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + +set testfile "opaque" +set binfile ${objdir}/${subdir}/opaque + +#if { [gdb_compile "${srcdir}/${subdir}/opaque0.c ${srcdir}/${subdir}/opaque1.c" "${binfile}" executable {debug}] != "" } { +# gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +#} + +if { [gdb_compile "${srcdir}/${subdir}/opaque0.c" "${binfile}0.o" object {debug}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if { [gdb_compile "${srcdir}/${subdir}/opaque1.c" "${binfile}1.o" object {debug}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if { [gdb_compile "${binfile}0.o ${binfile}1.o" ${binfile} executable {debug}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + + +# Create and source the file that provides information about the compiler +# used to compile the test case. +if [get_compiler_info ${binfile}] { + return -1; +} + +# Start with a fresh gdb. + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +# +# Test basic opaque structure handling (statically). +# The ordering of the tests is significant. We first try the things that +# might fail if gdb fails to connect the uses of opaque structures to +# the actual opaque structure definition. + +# When we start up, gdb sets the file containing main() as the current +# source file. The actual structure foo is defined in a different file. +# A pointer (foop) to an instance of the opaque struct is defined in the same +# source file as main(). Ensure that gdb correctly "connected" the definition +# in the other file with the pointer to the opaque struct in the file containing +# "foop". + +# Define a procedure to set up an xfail for all targets that do not support +# this sort of cross reference. +# Any target gcc that has a DBX_NO_XREFS definition in its config file will +# not support it (FIXME: Is this still true; I suspect maybe not). + +# Native alpha ecoff doesn't support it either. +# I don't think this type of cross reference works for any COFF target +# either. + +proc setup_xfail_on_opaque_pointer {} { + global gcc_compiled + + setup_xfail "a29k-*-udi" "vax-*-*" "i*86-sequent-bsd*" + if {!$gcc_compiled} then { + setup_xfail "alpha-*-*" "mips-sgi-irix5*" + } +} + +# This seems easier than trying to track different versions of xlc; I'm +# not sure there is much rhyme or reason regarding which tests it fails +# and which ones it passes. +if {[istarget "rs6000-*-aix*"] && !$gcc_compiled} then { + warning "xfails in opaque.exp may not be set up correctly for xlc" +} + +setup_xfail_on_opaque_pointer +gdb_test "whatis foop" \ + "type = struct foo \[*\]+" \ + "whatis on opaque struct pointer (statically)" + + +# Ensure that we know the form of the structure that foop points to. + +setup_xfail_on_opaque_pointer +if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "hppa*-*-hpux*" } +gdb_test "ptype foop" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \ + "ptype on opaque struct pointer (statically)" + + +# An instance of the opaque structure (afoo) is defined in a different file. +# Ensure that we can locate afoo and the structure definition. + +gdb_test "whatis afoo" \ + "type = struct foo" \ + "whatis on opaque struct instance (statically)" + + +# Ensure that we know the form of "afoo". + +gdb_test "ptype afoo" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \ + "ptype on opaque struct instance (statically)" + + +# Ensure that we know what a struct foo looks like. + +gdb_test "ptype struct foo" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \ + "ptype on opaque struct tagname (statically)" + + +# +# Done with static tests, now test dynamic opaque structure handling. +# We reload the symbol table so we forget about anything we might +# have learned during the static tests. +# + +if [istarget "mips-idt-*"] then { + # Restart because IDT/SIM runs out of file descriptors. + gdb_exit + gdb_start +} +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +# Run to main, where struct foo is incomplete. +if ![runto_main] { + perror "cannot run to breakpoint at main" +} + + +# The current source file is now the one containing main(). The structure foo +# is defined in a different file, but we have a pointer to an instance of +# the opaque structure in the current file. Ensure we know it's type. + +setup_xfail_on_opaque_pointer +gdb_test "whatis foop" \ + "type = struct foo \[*\]+" \ + "whatis on opaque struct pointer (dynamically)" + + +# Ensure that we know the form of the thing foop points to. + +setup_xfail_on_opaque_pointer +if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "hppa*-*-hpux*" } +gdb_test "ptype foop" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \ + "ptype on opaque struct pointer (dynamically) 1" + +gdb_test "whatis afoo" \ + "type = struct foo" \ + "whatis on opaque struct instance (dynamically) 1" + + +# Ensure that we know the form of afoo, an instance of a struct foo. + +gdb_test "ptype afoo" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \ + "ptype on opaque struct instance (dynamically) 1" + + +# Ensure that we know the form of an explicit struct foo. + +if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" } +gdb_test "ptype struct foo" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \ + "ptype on opaque struct tagname (dynamically) 1" + + +# Now reload the symbols again so we forget about anything we might +# have learned reading the symbols during the previous tests. + +if [istarget "mips-idt-*"] then { + # Restart because IDT/SIM runs out of file descriptors. + gdb_exit + gdb_start +} +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +# Run to getfoo, where struct foo is complete. +if ![runto getfoo] { + perror "cannot run to breakpoint at getfoo" +} + + +# Ensure that we know what foop is. + +setup_xfail_on_opaque_pointer +gdb_test "whatis foop" \ + "type = struct foo \[*\]+" \ + "whatis on opaque struct pointer (dynamically) 1" + + +# Ensure that we know the form of the thing foop points to. + +setup_xfail_on_opaque_pointer +if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "hppa*-*-hpux*" } +gdb_test "ptype foop" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \ + "ptype on opaque struct pointer (dynamically) 2" + +gdb_test "whatis afoo" \ + "type = struct foo" \ + "whatis on opaque struct instance (dynamically) 2" + + +# Ensure that we know the form of afoo, an instance of a struct foo. + +gdb_test "ptype afoo" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \ + "ptype on opaque struct instance (dynamically) 2" + + +# Ensure that we know the form of an explicit struct foo. + +gdb_test "ptype struct foo" \ + "type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \ + "ptype on opaque struct tagname (dynamically) 2" |