ld/testsuite/ld-bootstrap/bootstrap.exp

   1 # Expect script for LD Bootstrap Tests
   2 #   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001
   3 #   Free Software Foundation, Inc.
   4 #
   5 # This file is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 #
  19 # Written by Jeffrey Wheat (cassidy@cygnus.com)
  20 # Rewritten by Ian Lance Taylor (ian@cygnus.com)
  21 #
  22
  23 # Make sure that ld can bootstrap itself.
  24
  25 # This test can only be run if ld generates native executables.
  26 if ![isnative] {
  27     return
  28 }
  29
  30 # Bootstrap ld.  First link the object files together using -r, in
  31 # order to test -r.  Then link the result into an executable, ld1, to
  32 # really test -r.  Use ld1 to link a fresh ld, ld2.  Use ld2 to link a
  33 # new ld, ld3.  ld2 and ld3 should be identical.
  34
  35 foreach flags {"" "strip" "--static" "--traditional-format" "--no-keep-memory"} {
  36     set do_strip "no"
  37     if {"$flags" == "strip"} {
  38         set testname "bootstrap with $flags"
  39         set flags ""
  40         set do_strip "yes"
  41     } else { if {"$flags" != ""} {
  42         set testname "bootstrap with $flags"
  43     } else {
  44         set testname "bootstrap"
  45     }}
  46
  47     # This test can only be run if we have the ld build directory,
  48     # since we need the object files.
  49     if {$ld != "$objdir/ld-new"} {
  50         untested $testname
  51         continue
  52     }
  53
  54     # If we only have a shared libbfd, we probably can't run the
  55     # --static test.
  56     if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
  57         untested $testname
  58         continue
  59     }
  60
  61     if ![ld_relocate $ld tmpdir/ld-partial.o "$flags $OFILES"] {
  62         fail $testname
  63         continue
  64     }
  65
  66     # On AIX, you need to specify an import list when using --static.
  67     # You only want the import list when creating the final
  68     # executable.
  69     if { [istarget "*-*-aix*"]
  70          && ![istarget "ia64-*-aix*"]} {
  71         if {"$flags" == "--static"} {
  72             set flags "--static -bI:/lib/syscalls.exp"
  73         }
  74     }
  75
  76     # On Irix 5, linking with --static only works if all the files are
  77     # compiled using -non_shared.
  78     if {"$flags" == "--static"} {
  79         setup_xfail "mips*-*-irix5*"
  80     }
  81
  82     if ![ld_link $ld tmpdir/ld1 "$flags tmpdir/ld-partial.o $BFDLIB $LIBIBERTY"] {
  83         fail $testname
  84         continue
  85     }
  86
  87     if {"$do_strip" == "yes"} {
  88         verbose -log "$strip tmpdir/ld1"
  89         catch "exec $strip tmpdir/ld1" exec_output
  90         if ![string match "" $exec_output] then {
  91             verbose -log "$exec_output"
  92             fail $testname
  93             continue
  94         }
  95     }
  96
  97     if ![ld_link tmpdir/ld1 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
  98         fail $testname
  99         continue
 100     }
 101
 102     if ![ld_link tmpdir/ld2 tmpdir/ld3 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 103         fail $testname
 104         continue
 105     }
 106
 107     if {"$flags" == "--static"} {
 108         if { [istarget ia64-*-elf*]
 109              || [istarget ia64-*-linux*] } {
 110             # On ia64, tmpdir/ld2 != tmpdir/ld3 is normal since they are
 111             # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
 112             # So we rebuild tmpdir/ld2 with tmpdir/ld3.
 113             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 114                 fail $testname
 115                 continue
 116             }
 117         }
 118     } else {
 119         if { [istarget mips*-*-linux*] } {
 120             # On Linux/mips, tmpdir/ld2 != tmpdir/ld3 is normal since
 121             # they are generated by different linkers, tmpdir/ld1 and
 122             # tmpdir/ld2. So we rebuild tmpdir/ld2 with tmpdir/ld3.
 123             if ![ld_link tmpdir/ld3 tmpdir/ld2 "$flags $OFILES $BFDLIB $LIBIBERTY"] {
 124                 fail $testname
 125                 continue
 126             }
 127         }
 128     }
 129
 130     send_log "compare (tail of) tmpdir/ld2 tmpdir/ld3\n"
 131     verbose  "compare (tail of) tmpdir/ld2 tmpdir/ld3"
 132     if {[istarget "*-*-pe"]
 133         || [istarget "*-*-wince"]} {
 134         # Trim off the date present in PE binaries by only looking
 135         #   at the ends of the files
 136         # Although this works, a way to set the date would be better.
 137         # Removing or zeroing the date stamp in the binary produced by
 138         # the linker is not possible as it is required by the target OS.
 139         exec tail +140 tmpdir/ld2 >tmpdir/ld2tail
 140         exec tail +140 tmpdir/ld3 >tmpdir/ld3tail
 141         catch "exec cmp tmpdir/ld2tail tmpdir/ld3tail" exec_output
 142         exec rm tmpdir/ld2tail tmpdir/ld3tail
 143     } else {
 144         send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
 145         verbose  "cmp tmpdir/ld2 tmpdir/ld3"
 146         catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
 147     }
 148     set exec_output [prune_warnings $exec_output]
 149
 150     if [string match "" $exec_output] then {
 151         pass $testname
 152     } else {
 153         send_log "$exec_output\n"
 154         verbose "$exec_output" 1
 155
 156         fail $testname
 157     }
 158 }