+# Copyright 2010 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/>.
+
+# The problem was due to amd64_skip_prologue attempting to access inferior
+# memory before the PIE (Position Independent Executable) gets relocated.
+
+if ![istarget *-linux*] {
+ continue
+}
+
+# Remote protocol does not support follow-exec notifications.
+
+if [is_remote target] {
+ continue
+}
+
+set testfile "pie-execl"
+set srcfile ${testfile}.c
+set executable1 ${testfile}1
+set executable2 ${testfile}2
+set binfile1 ${objdir}/${subdir}/${executable1}
+set binfile2 ${objdir}/${subdir}/${executable2}
+
+# Use conditional compilation according to `BIN' as GDB remembers the source
+# file name of the breakpoint.
+
+set opts [list debug {additional_flags=-fPIE -pie}]
+if {[build_executable ${testfile}.exp $executable1 $srcfile [concat $opts {additional_flags=-DBIN=1}]] == ""
+ || [build_executable ${testfile}.exp $executable2 $srcfile [concat $opts {additional_flags=-DBIN=2}]] == ""} {
+ return -1
+}
+
+clean_restart ${executable1}
+
+gdb_test_no_output "set args ${binfile2}"
+
+if ![runto_main] {
+ return -1
+}
+
+# Do not stop on `main' after re-exec.
+delete_breakpoints
+
+gdb_breakpoint "pie_execl_marker"
+gdb_test "info breakpoints" ".*" ""
+
+set addr1 ""
+set test "pie_execl_marker address first"
+gdb_test_multiple "p/x &pie_execl_marker" $test {
+ -re " = (0x\[0-9a-f\]+)\r\n$gdb_prompt $" {
+ set addr1 $expect_out(1,string)
+ pass $test
+ }
+}
+verbose -log "addr1 is $addr1"
+
+set test "continue"
+gdb_test_multiple $test $test {
+ -re "Error in re-setting breakpoint" {
+ fail $test
+ }
+ -re "Cannot access memory" {
+ fail $test
+ }
+ -re "pie-execl: re-exec.*executing new program.*\r\nBreakpoint \[0-9\]+,\[^\r\n\]* pie_execl_marker .*\r\n$gdb_prompt $" {
+ pass $test
+ }
+}
+
+gdb_test "info breakpoints" ".*" ""
+
+set addr2 ""
+set test "pie_execl_marker address second"
+gdb_test_multiple "p/x &pie_execl_marker" $test {
+ -re " = (0x\[0-9a-f\]+)\r\n$gdb_prompt $" {
+ set addr2 $expect_out(1,string)
+ pass $test
+ }
+}
+verbose -log "addr2 is $addr2"
+
+# Ensure we cannot get a false PASS and the inferior has really changed.
+set test "pie_execl_marker address has changed"
+if [string equal $addr1 $addr2] {
+ fail $test
+} else {
+ pass $test
+}