gold/testsuite/debug_msg.sh

   1 #!/bin/sh
   2
   3 # debug_msg.sh -- a test case for printing debug info for missing symbols.
   4
   5 # Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2013
   6 # Free Software Foundation, Inc.
   7 # Written by Ian Lance Taylor <iant@google.com>.
   8
   9 # This file is part of gold.
  10
  11 # This program is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 3 of the License, or
  14 # (at your option) any later version.
  15
  16 # This program is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20
  21 # You should have received a copy of the GNU General Public License
  22 # along with this program; if not, write to the Free Software
  23 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  24 # MA 02110-1301, USA.
  25
  26 # This file goes with debug_msg.cc, a C++ source file constructed to
  27 # have undefined references.  We compile that file with debug
  28 # information and then try to link it, and make sure the proper errors
  29 # are displayed.  The errors will be found in debug_msg.err.
  30
  31 check()
  32 {
  33     if ! grep -q "$2" "$1"
  34     then
  35         echo "Did not find expected error in $1:"
  36         echo "   $2"
  37         echo ""
  38         echo "Actual error output below:"
  39         cat "$1"
  40         exit 1
  41     fi
  42 }
  43
  44 check_missing()
  45 {
  46     if grep -q "$2" "$1"
  47     then
  48         echo "Found unexpected error in $1:"
  49         echo "   $2"
  50         echo ""
  51         echo "Actual error output below:"
  52         cat "$1"
  53         exit 1
  54     fi
  55 }
  56
  57 # We don't know how the compiler might order these variables, so we
  58 # can't test for the actual offset from .data, hence the regexp.
  59 check debug_msg.err "debug_msg.o:debug_msg.cc:fn_array: error: undefined reference to 'undef_fn1()'"
  60 check debug_msg.err "debug_msg.o:debug_msg.cc:fn_array: error: undefined reference to 'undef_fn2()'"
  61 check debug_msg.err "debug_msg.o:debug_msg.cc:badref1: error: undefined reference to 'undef_int'"
  62
  63 # These tests check only for the source file's file name (not the complete
  64 # path) because use of -fdebug-prefix-map may change the path to the source
  65 # file recorded in the objects.
  66 check debug_msg.err ".*/debug_msg.cc:50: error: undefined reference to 'undef_fn1()'"
  67 check debug_msg.err ".*/debug_msg.cc:55: error: undefined reference to 'undef_fn2()'"
  68 check debug_msg.err ".*/debug_msg.cc:43: error: undefined reference to 'undef_fn1()'"
  69 check debug_msg.err ".*/debug_msg.cc:44: error: undefined reference to 'undef_fn2()'"
  70 if test "$DEFAULT_TARGET" != "powerpc"
  71 then
  72   check debug_msg.err ".*/debug_msg.cc:.*: error: undefined reference to 'undef_int'"
  73 fi
  74
  75 # Check we detected the ODR (One Definition Rule) violation.
  76 check debug_msg.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):"
  77 check debug_msg.err "odr_violation1.cc:6"
  78 check debug_msg.err "odr_violation2.cc:12"
  79
  80 # Check we don't have ODR false positives:
  81 check_missing debug_msg.err "OdrDerived::~OdrDerived()"
  82 check_missing debug_msg.err "__adjust_heap"
  83 # We block ODR detection for combinations of C weak and strong
  84 # symbols, to allow people to use the linker to override things.  We
  85 # still flag it for C++ symbols since those are more likely to be
  86 # unintentional.
  87 check_missing debug_msg.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):"
  88 check_missing debug_msg.err "odr_violation1.cc:16"
  89 check_missing debug_msg.err "odr_violation2.cc:23"
  90 check debug_msg.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):"
  91 check debug_msg.err "debug_msg.cc:68"
  92 check debug_msg.err "odr_violation2.cc:27"
  93
  94 # Check for the same error messages when using --compressed-debug-sections.
  95 if test -r debug_msg_cdebug.err
  96 then
  97   check debug_msg_cdebug.err "debug_msg_cdebug.o:debug_msg.cc:fn_array: error: undefined reference to 'undef_fn1()'"
  98   check debug_msg_cdebug.err "debug_msg_cdebug.o:debug_msg.cc:fn_array: error: undefined reference to 'undef_fn2()'"
  99   check debug_msg_cdebug.err "debug_msg_cdebug.o:debug_msg.cc:badref1: error: undefined reference to 'undef_int'"
 100   check debug_msg_cdebug.err ".*/debug_msg.cc:50: error: undefined reference to 'undef_fn1()'"
 101   check debug_msg_cdebug.err ".*/debug_msg.cc:55: error: undefined reference to 'undef_fn2()'"
 102   check debug_msg_cdebug.err ".*/debug_msg.cc:43: error: undefined reference to 'undef_fn1()'"
 103   check debug_msg_cdebug.err ".*/debug_msg.cc:44: error: undefined reference to 'undef_fn2()'"
 104   if test "$DEFAULT_TARGET" != "powerpc"
 105   then
 106     check debug_msg_cdebug.err ".*/debug_msg.cc:.*: error: undefined reference to 'undef_int'"
 107   fi
 108   check debug_msg_cdebug.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):"
 109   check debug_msg_cdebug.err "odr_violation1.cc:6"
 110   check debug_msg_cdebug.err "odr_violation2.cc:12"
 111   check_missing debug_msg_cdebug.err "OdrDerived::~OdrDerived()"
 112   check_missing debug_msg_cdebug.err "__adjust_heap"
 113   check_missing debug_msg_cdebug.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):"
 114   check_missing debug_msg_cdebug.err "odr_violation1.cc:16"
 115   check_missing debug_msg_cdebug.err "odr_violation2.cc:23"
 116   check debug_msg_cdebug.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):"
 117   check debug_msg_cdebug.err "debug_msg.cc:68"
 118   check debug_msg_cdebug.err "odr_violation2.cc:27"
 119 fi
 120
 121 # When linking together .so's, we don't catch the line numbers, but we
 122 # still find all the undefined variables, and the ODR violation.
 123 check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_fn1()'"
 124 check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_fn2()'"
 125 check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_int'"
 126 check debug_msg_so.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):"
 127 check debug_msg_so.err "odr_violation1.cc:6"
 128 check debug_msg_so.err "odr_violation2.cc:12"
 129 check_missing debug_msg_so.err "OdrDerived::~OdrDerived()"
 130 check_missing debug_msg_so.err "__adjust_heap"
 131 check_missing debug_msg_so.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):"
 132 check_missing debug_msg_so.err "odr_violation1.cc:16"
 133 check_missing debug_msg_so.err "odr_violation2.cc:23"
 134 check debug_msg_so.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):"
 135 check debug_msg_so.err "debug_msg.cc:68"
 136 check debug_msg_so.err "odr_violation2.cc:27"
 137
 138 # These messages shouldn't need any debug info to detect:
 139 check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_fn1()'"
 140 check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_fn2()'"
 141 check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_int'"
 142 # However, we shouldn't detect or declare any ODR violation
 143 check_missing debug_msg_ndebug.err "(possible ODR violation)"
 144
 145 exit 0