gdb/testsuite/gdb.base/prelink.exp

   1 # Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@gnu.org
  18
  19 # This file was written by Alexandre Oliva <aoliva@redhat.com>
  20
  21 if $tracelevel then {
  22         strace $tracelevel
  23         }
  24
  25
  26 if { ![isnative] || [is_remote host] || [skip_shlib_tests]} {
  27     return
  28 }
  29
  30 if [get_compiler_info "ignored"] {
  31     return -1
  32 }
  33
  34 if {$gcc_compiled == 0} {
  35     return -1
  36 }
  37
  38 load_lib prelink-support.exp
  39
  40 set testfile "prelink"
  41
  42 set libsrcfile ${testfile}-lib.c
  43 set libfile ${objdir}/${subdir}/${testfile}.so
  44
  45 # Use -soname so that the new library gets copied by build_executable_own_libs.
  46
  47 if { [gdb_compile_shlib "${srcdir}/${subdir}/${libsrcfile}" "${libfile}" [list debug "ldflags=-Wl,-soname,[file tail ${libfile}]"]] != ""} {
  48     # If creating the shared library fails, maybe we don't have the right tools
  49     return -1
  50 }
  51
  52 set srcfile ${testfile}.c
  53 set executable ${testfile}t
  54 set binfile ${objdir}/${subdir}/${executable}
  55 set prelink_args [build_executable_own_libs ${testfile}.exp $executable $srcfile [list debug "ldflags=-Wl,${libfile},-rpath,[file dirname ${libfile}]"]]
  56 if {$prelink_args == ""} {
  57     return -1
  58 }
  59
  60 set test "split debug of executable"
  61 if [gdb_gnu_strip_debug $binfile] {
  62     fail $test
  63 } else {
  64     pass $test
  65 }
  66
  67 if ![prelink_yes $prelink_args] {
  68     # Maybe we don't have prelink.
  69     return -1
  70 }
  71
  72 set found 0
  73 set coredir "${objdir}/${subdir}/coredir.[getpid]"
  74 file mkdir $coredir
  75 catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
  76
  77 foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
  78     if [remote_file build exists $i] {
  79         remote_exec build "mv $i ${objdir}/${subdir}/prelink.core"
  80         set found 1
  81     }
  82 }
  83 # Check for "core.PID".
  84 if { $found == 0 } {
  85     set names [glob -nocomplain -directory $coredir core.*]
  86     if {[llength $names] == 1} {
  87         set corefile [file join $coredir [lindex $names 0]]
  88         remote_exec build "mv $corefile ${objdir}/${subdir}/prelink.core"
  89         set found 1
  90     }
  91 }
  92
  93 # Try to clean up after ourselves.
  94 remote_file build delete [file join $coredir coremmap.data]
  95 remote_exec build "rmdir $coredir"
  96
  97 if { $found == 0  } {
  98     warning "can't generate a core file - prelink tests suppressed - check ulimit -c"
  99     return 0
 100 }
 101
 102 # Relink $libfile to a different address.
 103 if ![prelink_yes $prelink_args] {
 104     return -1
 105 }
 106
 107 # Start with a fresh gdb
 108
 109 clean_restart $executable
 110
 111 # Print the "adjusting expectations" message.
 112 gdb_test_no_output "set verbose on"
 113
 114 gdb_test "core-file $objdir/$subdir/prelink.core" "Using PIC \\(Position Independent Code\\) prelink displacement 0x\[^0\]\[0-9a-f\]* for \[^\r\n\]*[file tail ${libfile}].*" "seen displacement message"
 115
 116 gdb_test "p &bssvar == bssvarp" " = 1" ".dynbss vs. .bss address shift"