| 1 | # Copyright 2010-2015 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 | if {[skip_shlib_tests]} { |
| 17 | return 0 |
| 18 | } |
| 19 | |
| 20 | if {[is_remote target]} { |
| 21 | # gdbserver prints the warning message but expect is parsing only the GDB |
| 22 | # output, not the gdbserver output. |
| 23 | return 0 |
| 24 | } |
| 25 | |
| 26 | set testfile "solib-corrupted" |
| 27 | set srcfile start.c |
| 28 | |
| 29 | if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } { |
| 30 | untested ${testfile}.exp |
| 31 | return -1 |
| 32 | } |
| 33 | |
| 34 | if ![runto_main] { |
| 35 | fail "Can't run to main" |
| 36 | return |
| 37 | } |
| 38 | |
| 39 | # With probes interface GDB no longer scans the inferior library list so its |
| 40 | # corruption cannot be tested. There is no way to disable the probes |
| 41 | # interface. |
| 42 | |
| 43 | set probes { init_start init_complete map_start reloc_complete unmap_start |
| 44 | unmap_complete } |
| 45 | set test "info probes" |
| 46 | gdb_test_multiple $test $test { |
| 47 | -re "^stap\[ \t\]+rtld\[ \t\]+(?:rtld_)?(\[a-z_\]+)\[ \t\]" { |
| 48 | set idx [lsearch -exact $probes $expect_out(1,string)] |
| 49 | if { $idx >= 0 } { |
| 50 | set probes [lreplace $probes $idx $idx] |
| 51 | } |
| 52 | exp_continue |
| 53 | } |
| 54 | -re "^\[^\r\n\]*\r\n" { |
| 55 | exp_continue |
| 56 | } |
| 57 | -re "^$gdb_prompt $" { |
| 58 | } |
| 59 | } |
| 60 | if { [llength $probes] == 0 } { |
| 61 | xfail $test |
| 62 | untested "GDB is using probes" |
| 63 | return |
| 64 | } |
| 65 | |
| 66 | gdb_test "info sharedlibrary" "From * To .*" "normal list" |
| 67 | |
| 68 | # GDB checks there for matching L_PREV. |
| 69 | set test "make solibs looping" |
| 70 | gdb_test_multiple "p/x _r_debug->r_map->l_next = _r_debug->r_map" $test { |
| 71 | -re "(No symbol \"_r_debug\" in current context\\.|Attempt to extract a component of a value that is not a structure pointer\\.)\r\n$gdb_prompt $" { |
| 72 | # glibc debug info is not available and it is too difficult to find and |
| 73 | # parse it from this testcase without the gdb supporting functions. |
| 74 | xfail $test |
| 75 | untested "no _r_debug symbol has been found" |
| 76 | return |
| 77 | } |
| 78 | -re " = 0x\[0-9a-f\]+\r\n$gdb_prompt $" { |
| 79 | pass $test |
| 80 | } |
| 81 | } |
| 82 | gdb_test "info sharedlibrary" "warning: Corrupted shared library list: .*" "corrupted list" |