| 1 | # Copyright 2007-2016 Free Software Foundation, Inc. |
| 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 3 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | |
| 16 | # When gdb resolves type information for class "derived" from objfile |
| 17 | # gdb2384, it use to fill in the TYPE_VPTR_BASETYPE field with class "base" |
| 18 | # from objfile gdb2384-base.so. When the program is rerun the type |
| 19 | # information for base-in-so-base.so is discarded leaving |
| 20 | # TYPE_VPTR_BASETYPE dangling. |
| 21 | # |
| 22 | # PR c++/9489. |
| 23 | |
| 24 | if { [skip_cplus_tests] } { continue } |
| 25 | if { [skip_shlib_tests] } { continue } |
| 26 | |
| 27 | standard_testfile .cc gdb2384-base.cc |
| 28 | |
| 29 | set sofile [standard_output_file gdb2384-base.so] |
| 30 | |
| 31 | # Create and source the file that provides information about the compiler |
| 32 | # used to compile the test case. |
| 33 | if [get_compiler_info "c++"] { |
| 34 | return -1 |
| 35 | } |
| 36 | |
| 37 | if { [gdb_compile_shlib $srcdir/$subdir/$srcfile2 $sofile {debug c++}] != "" |
| 38 | || [gdb_compile $srcdir/$subdir/$srcfile $binfile executable [list debug "c++" shlib=${sofile}]] != ""} { |
| 39 | untested gdb2384.exp |
| 40 | return -1 |
| 41 | } |
| 42 | |
| 43 | clean_restart ${binfile} |
| 44 | gdb_load_shlibs ${sofile} |
| 45 | |
| 46 | |
| 47 | if ![runto_main] then { |
| 48 | perror "couldn't run to breakpoint" |
| 49 | return -1 |
| 50 | } |
| 51 | |
| 52 | gdb_breakpoint [gdb_get_line_number "set breakpoint here"] |
| 53 | gdb_continue_to_breakpoint "set breakpoint here" |
| 54 | |
| 55 | gdb_test "print d1.meth ()" \ |
| 56 | ".*42.*" \ |
| 57 | "print d1.meth ()" |
| 58 | |
| 59 | # Now try again. gdb's without the fix will hopefully segv here |
| 60 | |
| 61 | runto_main |
| 62 | gdb_breakpoint [gdb_get_line_number "set breakpoint here"] |
| 63 | gdb_continue_to_breakpoint "set breakpoint here" |
| 64 | gdb_test "print d1.meth ()" \ |
| 65 | ".*42.*" \ |
| 66 | "gdb2384" |
| 67 | |
| 68 | # second case |
| 69 | |
| 70 | runto_main |
| 71 | gdb_breakpoint [gdb_get_line_number "set breakpoint here (second)"] |
| 72 | gdb_continue_to_breakpoint "set breakpoint here (second)" |
| 73 | gdb_test "print d2.meth ()" \ |
| 74 | ".*24.*" \ |
| 75 | "print d2.meth()" |
| 76 | |
| 77 | runto_main |
| 78 | gdb_breakpoint [gdb_get_line_number "set breakpoint here (second)"] |
| 79 | gdb_continue_to_breakpoint "set breakpoint here (second)" |
| 80 | gdb_test "print d2.meth ()" \ |
| 81 | ".*24.*" \ |
| 82 | "gdb2384 (second)" |
| 83 | |