Index: gdb-7.10.90.20160211/gdb/testsuite/gdb.base/attach-see-vdso.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ gdb-7.10.90.20160211/gdb/testsuite/gdb.base/attach-see-vdso.c 2016-02-15 23:25:36.749601045 +0100 @@ -0,0 +1,25 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2007 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include + +int main () +{ + pause (); + return 1; +} Index: gdb-7.10.90.20160211/gdb/testsuite/gdb.base/attach-see-vdso.exp =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ gdb-7.10.90.20160211/gdb/testsuite/gdb.base/attach-see-vdso.exp 2016-02-15 23:25:44.889658840 +0100 @@ -0,0 +1,72 @@ +# Copyright 2007 + +# 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# This file was created by Jan Kratochvil . + +# This test only works on Linux +if { ![istarget "*-*-linux-gnu*"] } { + return 0 +} + +set testfile "attach-see-vdso" +set srcfile ${testfile}.c +set binfile [standard_output_file ${testfile}] +set escapedbinfile [string_to_regexp [standard_output_file ${testfile}]] + +# The kernel VDSO is used for the syscalls returns only on i386 (not x86_64). +# +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-m32}] != "" } { + gdb_suppress_entire_file "Testcase nonthraded compile failed, so all tests in this file will automatically fail." +} + +if [get_compiler_info ${binfile}] { + return -1 +} + +# Start the program running and then wait for a bit, to be sure +# that it can be attached to. + +set testpid [eval exec $binfile &] + +# Avoid some race: +sleep 2 + +# Start with clean gdb +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +# Never call: gdb_load ${binfile} +# as the former problem would not reproduce otherwise. + +set test "attach" +gdb_test_multiple "attach $testpid" "$test" { + -re "Attaching to process $testpid\r?\n.*$gdb_prompt $" { + pass "$test" + } +} + +gdb_test "bt" "#0 *0x\[0-9a-f\]* in \[^?\].*" "backtrace decodes VDSO" + +# Exit and detach the process. + +gdb_exit + +# Make sure we don't leave a process around to confuse +# the next test run (and prevent the compile by keeping +# the text file busy), in case the "set should_exit" didn't +# work. + +remote_exec build "kill -9 ${testpid}"