Fix zero_ext documentation

[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.base / prelink.exp

diff --git a/gdb/testsuite/gdb.base/prelink.exp b/gdb/testsuite/gdb.base/prelink.exp
index c26d20e278f026b27a6c9262d9860b3373131cc2..63f8a5cf8f5d239cbc2495dffc753bccc6c65882 100644 (file)
--- a/gdb/testsuite/gdb.base/prelink.exp
+++ b/gdb/testsuite/gdb.base/prelink.exp
@@ -1,8 +1,8 @@
-# Copyright 2006 Free Software Foundation, Inc.
+# Copyright 2006-2016 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
+# 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,
@@ -11,27 +11,19 @@
 # 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.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # Please email any bugs, comments, and/or additions to this file to:
-# bug-gdb@prep.ai.mit.edu
+# bug-gdb@gnu.org
 
 # This file was written by Alexandre Oliva <aoliva@redhat.com>
 
-if $tracelevel then {
-       strace $tracelevel
-       }
 
-set prms_id 0
-set bug_id 0
-
-# are we on a target board
-if ![isnative] then {
+if { ![isnative] || [is_remote host] || [skip_shlib_tests]} {
     return
 }
 
-if [get_compiler_info "ignored"] {
+if [get_compiler_info] {
     return -1
 }
 
@@ -39,36 +31,48 @@ if {$gcc_compiled == 0} {
     return -1
 }
 
+load_lib prelink-support.exp
+
 set testfile "prelink"
-set srcfile ${testfile}.c
-set binfile ${objdir}/${subdir}/${testfile}
 
 set libsrcfile ${testfile}-lib.c
-set libfile ${objdir}/${subdir}/${testfile}.so
-if { [gdb_compile "${srcdir}/${subdir}/${libsrcfile}" "${libfile}" executable [list debug "additional_flags=-fpic -shared -nodefaultlibs"]] != ""} {
+set libfile [standard_output_file ${testfile}.so]
+
+# Use -soname so that the new library gets copied by build_executable_own_libs.
+
+if { [gdb_compile_shlib "${srcdir}/${subdir}/${libsrcfile}" "${libfile}" [list debug "ldflags=-Wl,-soname,[file tail ${libfile}]"]] != ""} {
     # If creating the shared library fails, maybe we don't have the right tools
     return -1
 }
 
-if {[catch "system \"prelink -NR ${libfile}\""] != 0} {
-    # Maybe we don't have prelink.
+set srcfile ${testfile}.c
+set executable ${testfile}t
+set binfile [standard_output_file ${executable}]
+set prelink_args [build_executable_own_libs ${testfile}.exp $executable $srcfile [list debug "ldflags=-Wl,${libfile},-rpath,[file dirname ${libfile}]"]]
+if {$prelink_args == ""} {
     return -1
 }
 
-set srcfile ${testfile}.c
-set binfile ${objdir}/${subdir}/${testfile}
-if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${libfile}" "${binfile}" executable [list debug "additional_flags=-Wl,-rpath,${objdir}/${subdir}"]] != ""} {
-    return -1;
+set test "split debug of executable"
+if [gdb_gnu_strip_debug $binfile] {
+    fail $test
+} else {
+    pass $test
+}
+
+if ![prelink_yes $prelink_args] {
+    # Maybe we don't have prelink.
+    return -1
 }
 
 set found 0
-set coredir "${objdir}/${subdir}/coredir.[getpid]"
+set coredir "[standard_output_file coredir.[getpid]]"
 file mkdir $coredir
 catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
 
 foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
     if [remote_file build exists $i] {
-       remote_exec build "mv $i ${objdir}/${subdir}/prelink.core"
+       remote_exec build "mv $i [standard_output_file prelink.core]"
        set found 1
     }
 }
@@ -77,14 +81,11 @@ if { $found == 0 } {
     set names [glob -nocomplain -directory $coredir core.*]
     if {[llength $names] == 1} {
         set corefile [file join $coredir [lindex $names 0]]
-        remote_exec build "mv $corefile ${objdir}/${subdir}/prelink.core"
+        remote_exec build "mv $corefile [standard_output_file prelink.core]"
         set found 1
     }
 }
 
-catch "system \"prelink -u ${libfile}\""
-catch "system \"prelink -NR ${libfile}\""
-
 # Try to clean up after ourselves.
 remote_file build delete [file join $coredir coremmap.data]
 remote_exec build "rmdir $coredir"
@@ -94,35 +95,18 @@ if { $found == 0  } {
     return 0
 }
 
+# Relink $libfile to a different address.
+if ![prelink_yes $prelink_args] {
+    return -1
+}
+
 # Start with a fresh gdb
 
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
-
-set oldtimeout $timeout
-set timeout [expr "$timeout + 60"]
-verbose "Timeout is now $timeout seconds" 2
-send_gdb "core-file $objdir/$subdir/prelink.core\n"
-gdb_expect {
-    -re "warning: \.dynamic section.*not at the expected address" {
-       pass "changed base address"
-    }
-    -re ".*$gdb_prompt $"      { fail "changed base address" }
-    timeout            { fail "(timeout) changed base address" }
-}
-gdb_expect {
-    -re "warning: difference.*caused by prelink, adjusting" {
-       pass "prelink adjustment"
-    }
-    -re ".*$gdb_prompt $"      { fail "prelink adjustment" }
-    timeout            { fail "(timeout) prelink adjustment" }
-}
-set timeout $oldtimeout
-verbose "Timeout is now $timeout seconds" 2
+clean_restart $executable
 
-gdb_exit
+# Print the "adjusting expectations" message.
+gdb_test_no_output "set verbose on"
 
-return 0
+gdb_test "core-file [standard_output_file prelink.core]" "Using PIC \\(Position Independent Code\\) prelink displacement 0x\[^0\]\[0-9a-f\]* for \[^\r\n\]*[file tail ${libfile}].*" "seen displacement message"
 
+gdb_test "p &bssvar == bssvarp" " = 1" ".dynbss vs. .bss address shift"