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84 lines
2.5 KiB
Plaintext
84 lines
2.5 KiB
Plaintext
# Copyright 2007-2018 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 3 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, see <http://www.gnu.org/licenses/>.
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# When gdb resolves type information for class "derived" from objfile
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# gdb2384, it use to fill in the TYPE_VPTR_BASETYPE field with class "base"
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# from objfile gdb2384-base.so. When the program is rerun the type
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# information for base-in-so-base.so is discarded leaving
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# TYPE_VPTR_BASETYPE dangling.
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#
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# PR c++/9489.
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if { [skip_cplus_tests] } { continue }
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if { [skip_shlib_tests] } { continue }
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standard_testfile .cc gdb2384-base.cc
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set sofile [standard_output_file gdb2384-base.so]
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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 "c++"] {
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return -1
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}
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if { [gdb_compile_shlib $srcdir/$subdir/$srcfile2 $sofile {debug c++}] != ""
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|| [gdb_compile $srcdir/$subdir/$srcfile $binfile executable [list debug "c++" shlib=${sofile}]] != ""} {
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untested "failed to compile"
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return -1
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}
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clean_restart ${binfile}
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gdb_load_shlib ${sofile}
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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return -1
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}
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gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
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gdb_continue_to_breakpoint "set breakpoint here"
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gdb_test "print d1.meth ()" \
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".*42.*" \
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"print d1.meth ()"
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# Now try again. gdb's without the fix will hopefully segv here
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runto_main
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gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
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gdb_continue_to_breakpoint "set breakpoint here"
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gdb_test "print d1.meth ()" \
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".*42.*" \
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"gdb2384"
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# second case
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runto_main
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gdb_breakpoint [gdb_get_line_number "set breakpoint here (second)"]
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gdb_continue_to_breakpoint "set breakpoint here (second)"
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gdb_test "print d2.meth ()" \
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".*24.*" \
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"print d2.meth()"
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runto_main
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gdb_breakpoint [gdb_get_line_number "set breakpoint here (second)"]
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gdb_continue_to_breakpoint "set breakpoint here (second)"
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gdb_test "print d2.meth ()" \
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".*24.*" \
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"gdb2384 (second)"
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