1# Copyright 2010-2020 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 16if {[skip_shlib_tests]} { 17 return 0 18} 19 20if {[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 26set testfile "solib-corrupted" 27set srcfile start.c 28 29if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } { 30 return -1 31} 32 33if ![runto_main] { 34 fail "can't run to main" 35 return 36} 37 38# With probes interface GDB no longer scans the inferior library list so its 39# corruption cannot be tested. There is no way to disable the probes 40# interface. 41 42set probes { init_start init_complete map_start reloc_complete unmap_start 43 unmap_complete } 44set test "info probes" 45gdb_test_multiple $test $test { 46 -re "^stap\[ \t\]+rtld\[ \t\]+(?:rtld_)?(\[a-z_\]+)\[ \t\]" { 47 set idx [lsearch -exact $probes $expect_out(1,string)] 48 if { $idx >= 0 } { 49 set probes [lreplace $probes $idx $idx] 50 } 51 exp_continue 52 } 53 -re "^\[^\r\n\]*\r\n" { 54 exp_continue 55 } 56 -re "^$gdb_prompt $" { 57 } 58} 59if { [llength $probes] == 0 } { 60 xfail $test 61 untested "GDB is using probes" 62 return 63} 64 65gdb_test "info sharedlibrary" "From * To .*" "normal list" 66 67# GDB checks there for matching L_PREV. 68set test "make solibs looping" 69gdb_test_multiple "p/x _r_debug->r_map->l_next = _r_debug->r_map" $test { 70 -re "(No symbol \"_r_debug\" in current context\\.|Attempt to extract a component of a value that is not a structure pointer\\.)\r\n$gdb_prompt $" { 71 # glibc debug info is not available and it is too difficult to find and 72 # parse it from this testcase without the gdb supporting functions. 73 xfail $test 74 untested "no _r_debug symbol has been found" 75 return 76 } 77 -re " = 0x\[0-9a-f\]+\r\n$gdb_prompt $" { 78 pass $test 79 } 80} 81gdb_test "info sharedlibrary" "warning: Corrupted shared library list: .*" "corrupted list" 82