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# Copyright 2011-2022 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if {![isnative] || ![istarget *-linux*] || [skip_shlib_tests]} {
return 0
}
load_lib prelink-support.exp
set testfile "dlopen-libpthread"
set srcmainfile ${testfile}.c
set srclibfile ${testfile}-lib.c
set executable ${testfile}
set binfile_lib [standard_output_file ${executable}.so]
set lib_dlopen [shlib_target_file ${executable}.so]
# Use build_executable_own_libs as prelinked libpthread.so can produce false
# PASS - it is OK if GDB processes it still before relocation.
set relink_args [build_executable_own_libs ${testfile}.exp ${executable}.so $srclibfile {debug shlib_pthreads} no]
if {$relink_args == "" || ![prelink_no $relink_args]
|| [prepare_for_testing "failed to prepare" ${executable} ${srcmainfile} {debug shlib_load}] } {
return -1
}
gdb_load_shlib $binfile_lib
if { ![runto_main] } {
return -1
}
set probe_names {}
# Fedora 17 name. There's specific code in
# svr4_find_and_create_probe_breakpoints to deal with this.
lappend probe_names rtld_map_complete
# Upstream name.
lappend probe_names map_complete
set have_probe 0
foreach probe_name $probe_names {
set cmd "info probes all rtld ^$probe_name$"
gdb_test_multiple $cmd "" {
-re -wrap "\[ \t\]$probe_name\[ \t\]+0x\[0-9a-f\]+.*" {
set have_probe 1
}
-re -wrap "No probes matched\\." {
}
}
}
if { !$have_probe } {
untested "no matching probes"
}
set test "libpthread.so not found"
gdb_test_multiple "info sharedlibrary" $test {
-re "/libpthread\\.so.*\r\n$gdb_prompt $" {
# With newer glibc, libpthread has been integrated into glibc so we
# can expect it to be already loaded at main. This means we no longer
# excercise the scenario we're trying to trigger, but continue
# nevertheless.
unsupported $test
}
-re "/libc\\.so.*\r\n$gdb_prompt $" {
pass $test
}
}
gdb_test "set variable filename=\"$lib_dlopen\""
gdb_breakpoint "notify"
# The error was:
# Cannot find new threads: generic error
gdb_continue_to_breakpoint "notify" ".* notify-here .*"
gdb_test "info sharedlibrary" {/libpthread\.so.*} "libpthread.so found"
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