mirror of
https://github.com/darlinghq/darling-gdb.git
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267 lines
8.6 KiB
Plaintext
267 lines
8.6 KiB
Plaintext
# Copyright 1992, 1994, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Fred Fish. (fnf@cygnus.com)
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set testfile "opaque"
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set binfile ${objdir}/${subdir}/opaque
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#if { [gdb_compile "${srcdir}/${subdir}/opaque0.c ${srcdir}/${subdir}/opaque1.c" "${binfile}" executable {debug}] != "" } {
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# gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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#}
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if { [gdb_compile "${srcdir}/${subdir}/opaque0.c" "${binfile}0.o" object {debug}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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if { [gdb_compile "${srcdir}/${subdir}/opaque1.c" "${binfile}1.o" object {debug}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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if { [gdb_compile "${binfile}0.o ${binfile}1.o" ${binfile} executable {debug}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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# Create and source the file that provides information about the compiler
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# used to compile the test case.
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if [get_compiler_info ${binfile}] {
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return -1;
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}
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# Test basic opaque structure handling (statically).
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# The ordering of the tests is significant. We first try the things that
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# might fail if gdb fails to connect the uses of opaque structures to
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# the actual opaque structure definition.
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# When we start up, gdb sets the file containing main() as the current
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# source file. The actual structure foo is defined in a different file.
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# A pointer (foop) to an instance of the opaque struct is defined in the same
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# source file as main(). Ensure that gdb correctly "connected" the definition
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# in the other file with the pointer to the opaque struct in the file containing
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# "foop".
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# Define a procedure to set up an xfail for all targets that do not support
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# this sort of cross reference.
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# Any target gcc that has a DBX_NO_XREFS definition in its config file will
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# not support it (FIXME: Is this still true; I suspect maybe not).
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# Native alpha ecoff doesn't support it either.
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# I don't think this type of cross reference works for any COFF target
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# either.
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proc setup_xfail_on_opaque_pointer {} {
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global gcc_compiled
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setup_xfail "a29k-*-udi" "vax-*-*" "i*86-sequent-bsd*"
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if {!$gcc_compiled} then {
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setup_xfail "alpha-*-*" "mips-sgi-irix5*"
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}
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}
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# This seems easier than trying to track different versions of xlc; I'm
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# not sure there is much rhyme or reason regarding which tests it fails
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# and which ones it passes.
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if {[istarget "rs6000-*-aix*"] && !$gcc_compiled} then {
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warning "xfails in opaque.exp may not be set up correctly for xlc"
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}
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setup_xfail_on_opaque_pointer
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gdb_test "whatis foop" \
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"type = struct foo \[*\]+" \
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"whatis on opaque struct pointer (statically)"
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# Ensure that we know the form of the structure that foop points to.
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setup_xfail_on_opaque_pointer
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if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
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gdb_test "ptype foop" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \
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"ptype on opaque struct pointer (statically)"
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# An instance of the opaque structure (afoo) is defined in a different file.
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# Ensure that we can locate afoo and the structure definition.
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gdb_test "whatis afoo" \
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"type = struct foo" \
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"whatis on opaque struct instance (statically)"
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# Ensure that we know the form of "afoo".
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gdb_test "ptype afoo" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
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"ptype on opaque struct instance (statically)"
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# Ensure that we know what a struct foo looks like.
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gdb_test "ptype struct foo" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
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"ptype on opaque struct tagname (statically)"
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#
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# Done with static tests, now test dynamic opaque structure handling.
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# We reload the symbol table so we forget about anything we might
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# have learned during the static tests.
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#
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if [istarget "mips-idt-*"] then {
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# Restart because IDT/SIM runs out of file descriptors.
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gdb_exit
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gdb_start
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}
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Run to main, where struct foo is incomplete.
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if ![runto_main] {
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perror "cannot run to breakpoint at main"
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}
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# The current source file is now the one containing main(). The structure foo
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# is defined in a different file, but we have a pointer to an instance of
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# the opaque structure in the current file. Ensure we know it's type.
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setup_xfail_on_opaque_pointer
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gdb_test "whatis foop" \
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"type = struct foo \[*\]+" \
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"whatis on opaque struct pointer (dynamically)"
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# Ensure that we know the form of the thing foop points to.
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setup_xfail_on_opaque_pointer
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if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
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gdb_test "ptype foop" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \
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"ptype on opaque struct pointer (dynamically) 1"
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gdb_test "whatis afoo" \
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"type = struct foo" \
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"whatis on opaque struct instance (dynamically) 1"
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# Ensure that we know the form of afoo, an instance of a struct foo.
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gdb_test "ptype afoo" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
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"ptype on opaque struct instance (dynamically) xyz 1"
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# Ensure that we know the form of an explicit struct foo.
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if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
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gdb_test "ptype struct foo" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
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"ptype on opaque struct tagname (dynamically) 1"
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# Now reload the symbols again so we forget about anything we might
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# have learned reading the symbols during the previous tests.
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if [istarget "mips-idt-*"] then {
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# Restart because IDT/SIM runs out of file descriptors.
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gdb_exit
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gdb_start
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}
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Run to getfoo, where struct foo is complete.
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if ![runto getfoo] {
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perror "cannot run to breakpoint at getfoo"
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}
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# Ensure that we know what foop is.
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setup_xfail_on_opaque_pointer
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gdb_test "whatis foop" \
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"type = struct foo \[*\]+" \
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"whatis on opaque struct pointer (dynamically) 1"
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# Ensure that we know the form of the thing foop points to.
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setup_xfail_on_opaque_pointer
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if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
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gdb_test "ptype foop" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \
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"ptype on opaque struct pointer (dynamically) 2"
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gdb_test "whatis afoo" \
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"type = struct foo" \
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"whatis on opaque struct instance (dynamically) 1"
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# Ensure that we know the form of afoo, an instance of a struct foo.
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gdb_test "ptype afoo" \
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"type = struct foo \{\r\n int a;\r\n int b;\r\n\}" \
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"ptype on opaque struct instance (dynamically) 1"
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gdb_test "ptype afoo" \
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"type = struct foo \{\[\r\n\]*.*int a;\[\r\n\]*.*int b;\[\r\n\]*}\[\r\n\]*" \
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"ptype on opaque struct instance (dynamically) pqr 1"
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# Ensure that we know the form of an explicit struct foo.
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gdb_test "ptype foop" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\} \[*\]+" \
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"ptype on opaque struct pointer (dynamically) 2"
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gdb_test "whatis afoo" \
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"type = struct foo" \
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"whatis on opaque struct instance (dynamically) 2"
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# Ensure that we know the form of afoo, an instance of a struct foo.
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gdb_test "ptype afoo" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
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"ptype on opaque struct instance (dynamically) 2"
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# Ensure that we know the form of an explicit struct foo.
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gdb_test "ptype struct foo" \
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"type = struct foo \{\[\r\n\]+ int a;\[\r\n\]+ int b;\[\r\n\]+\}" \
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"ptype on opaque struct tagname (dynamically) 2"
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