gdb/testsuite/gdb.base/pie-support.exp

# Copyright 2009 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/>.

set testfile pie-support
set srcfile ${testfile}.c
set objfile ${objdir}/${subdir}/${testfile}.o
set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${objfile}" object {debug additional_flags=-fpie}] != "" } {
    untested "Couldn't compile test PIE object file."
    return -1
}
if  { [gdb_compile "${objfile}" "${binfile}" executable {debug additional_flags=-pie}] != "" } {
    untested "Couldn't compile test PIE binary."
    return -1
}

# Get things started.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

if [is_remote host] {
  set binfile [remote_download host $binfile]
    if { $binfile == "" } {
      untested "Couldn't download remote test binary."
      return -1
    }
}

# The file command used to kill the remote target.  For the benefit
# of the testsuite, preserve this behavior.
send_gdb "kill\n"
gdb_expect 120 {
    -re "Kill the program being debugged. .y or n. $" {
	send_gdb "y\n"
	verbose "\t\tKilling previous program being debugged"
	exp_continue
    }
    -re "$gdb_prompt $" {
	# OK.
    }
}

gdb_test "file $binfile" "current binary is a PIE.*" "correctly detected PIE binary"