gdb/testsuite/gdb.base/prelink.exp

   1 # Copyright 2006 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Alexandre Oliva <aoliva@redhat.com>
  21
  22 if $tracelevel then {
  23         strace $tracelevel
  24         }
  25
  26 set prms_id 0
  27 set bug_id 0
  28
  29 # are we on a target board
  30 if ![isnative] then {
  31     return
  32 }
  33
  34 if [get_compiler_info "ignored"] {
  35     return -1
  36 }
  37
  38 if {$gcc_compiled == 0} {
  39     return -1
  40 }
  41
  42 set testfile "prelink"
  43 set srcfile ${testfile}.c
  44 set binfile ${objdir}/${subdir}/${testfile}
  45
  46 set libsrcfile ${testfile}-lib.c
  47 set libfile ${objdir}/${subdir}/${testfile}.so
  48 if { [gdb_compile "${srcdir}/${subdir}/${libsrcfile}" "${libfile}" executable [list debug "additional_flags=-fpic -shared -nodefaultlibs"]] != ""} {
  49     # If creating the shared library fails, maybe we don't have the right tools
  50     return -1
  51 }
  52
  53 if {[catch "system \"prelink -NR ${libfile}\""] != 0} {
  54     # Maybe we don't have prelink.
  55     return -1
  56 }
  57
  58 set srcfile ${testfile}.c
  59 set binfile ${objdir}/${subdir}/${testfile}
  60 if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${libfile}" "${binfile}" executable [list debug "additional_flags=-Wl,-rpath,${objdir}/${subdir}"]] != ""} {
  61     return -1;
  62 }
  63
  64 set found 0
  65 set coredir "${objdir}/${subdir}/coredir.[getpid]"
  66 file mkdir $coredir
  67 catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
  68
  69 foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
  70     if [remote_file build exists $i] {
  71         remote_exec build "mv $i ${objdir}/${subdir}/prelink.core"
  72         set found 1
  73     }
  74 }
  75 # Check for "core.PID".
  76 if { $found == 0 } {
  77     set names [glob -nocomplain -directory $coredir core.*]
  78     if {[llength $names] == 1} {
  79         set corefile [file join $coredir [lindex $names 0]]
  80         remote_exec build "mv $corefile ${objdir}/${subdir}/prelink.core"
  81         set found 1
  82     }
  83 }
  84
  85 catch "system \"prelink -u ${libfile}\""
  86 catch "system \"prelink -NR ${libfile}\""
  87
  88 # Try to clean up after ourselves.
  89 remote_file build delete [file join $coredir coremmap.data]
  90 remote_exec build "rmdir $coredir"
  91
  92 if { $found == 0  } {
  93     warning "can't generate a core file - prelink tests suppressed - check ulimit -c"
  94     return 0
  95 }
  96
  97 # Start with a fresh gdb
  98
  99 gdb_exit
 100 gdb_start
 101 gdb_reinitialize_dir $srcdir/$subdir
 102 gdb_load ${binfile}
 103
 104 set oldtimeout $timeout
 105 set timeout [expr "$timeout + 60"]
 106 verbose "Timeout is now $timeout seconds" 2
 107 send_gdb "core-file $objdir/$subdir/prelink.core\n"
 108 gdb_expect {
 109     -re "warning: \.dynamic section.*not at the expected address" {
 110         pass "changed base address"
 111     }
 112     -re ".*$gdb_prompt $"       { fail "changed base address" }
 113     timeout             { fail "(timeout) changed base address" }
 114 }
 115 gdb_expect {
 116     -re "warning: difference.*caused by prelink, adjusting" {
 117         pass "prelink adjustment"
 118     }
 119     -re ".*$gdb_prompt $"       { fail "prelink adjustment" }
 120     timeout             { fail "(timeout) prelink adjustment" }
 121 }
 122 set timeout $oldtimeout
 123 verbose "Timeout is now $timeout seconds" 2
 124
 125 gdb_exit
 126
 127 return 0
 128