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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gold/] [testsuite/] [debug_msg.sh] - Rev 144
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#!/bin/sh # debug_msg.sh -- a test case for printing debug info for missing symbols. # Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. # Written by Ian Lance Taylor <iant@google.com>. # This file is part of gold. # 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 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # 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., 51 Franklin Street - Fifth Floor, Boston, # MA 02110-1301, USA. # This file goes with debug_msg.cc, a C++ source file constructed to # have undefined references. We compile that file with debug # information and then try to link it, and make sure the proper errors # are displayed. The errors will be found in debug_msg.err. check() { if ! grep -q "$2" "$1" then echo "Did not find expected error in $1:" echo " $2" echo "" echo "Actual error output below:" cat "$1" exit 1 fi } check_missing() { if grep -q "$2" "$1" then echo "Found unexpected error in $1:" echo " $2" echo "" echo "Actual error output below:" cat "$1" exit 1 fi } # We don't know how the compiler might order these variables, so we # can't test for the actual offset from .data, hence the regexp. check debug_msg.err "debug_msg.o:debug_msg.cc:function fn_array: error: undefined reference to 'undef_fn1()'" check debug_msg.err "debug_msg.o:debug_msg.cc:function fn_array: error: undefined reference to 'undef_fn2()'" check debug_msg.err "debug_msg.o:debug_msg.cc:function badref1: error: undefined reference to 'undef_int'" # These tests check only for the source file's file name (not the complete # path) because use of -fdebug-prefix-map may change the path to the source # file recorded in the objects. check debug_msg.err ".*/debug_msg.cc:50: error: undefined reference to 'undef_fn1()'" check debug_msg.err ".*/debug_msg.cc:55: error: undefined reference to 'undef_fn2()'" check debug_msg.err ".*/debug_msg.cc:43: error: undefined reference to 'undef_fn1()'" check debug_msg.err ".*/debug_msg.cc:44: error: undefined reference to 'undef_fn2()'" check debug_msg.err ".*/debug_msg.cc:.*: error: undefined reference to 'undef_int'" check debug_msg.err ".*/debug_msg.cc:43: error: undefined reference to 'undef_fn1()'" check debug_msg.err ".*/debug_msg.cc:44: error: undefined reference to 'undef_fn2()'" check debug_msg.err ".*/debug_msg.cc:.*: error: undefined reference to 'undef_int'" # Check we detected the ODR (One Definition Rule) violation. check debug_msg.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):" check debug_msg.err "odr_violation1.cc:6" check debug_msg.err "odr_violation2.cc:12" # Check we don't have ODR false positives: check_missing debug_msg.err "OdrDerived::~OdrDerived()" check_missing debug_msg.err "__adjust_heap" # We block ODR detection for combinations of C weak and strong # symbols, to allow people to use the linker to override things. We # still flag it for C++ symbols since those are more likely to be # unintentional. check_missing debug_msg.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):" check_missing debug_msg.err "odr_violation1.cc:16" check_missing debug_msg.err "odr_violation2.cc:23" check debug_msg.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):" check debug_msg.err "debug_msg.cc:68" check debug_msg.err "odr_violation2.cc:27" # When linking together .so's, we don't catch the line numbers, but we # still find all the undefined variables, and the ODR violation. check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_fn1()'" check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_fn2()'" check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_int'" check debug_msg_so.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):" check debug_msg_so.err "odr_violation1.cc:6" check debug_msg_so.err "odr_violation2.cc:12" check_missing debug_msg.err "OdrDerived::~OdrDerived()" check_missing debug_msg.err "__adjust_heap" check_missing debug_msg.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):" check_missing debug_msg.err "odr_violation1.cc:16" check_missing debug_msg.err "odr_violation2.cc:23" check debug_msg.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):" check debug_msg.err "debug_msg.cc:68" check debug_msg.err "odr_violation2.cc:27" # These messages shouldn't need any debug info to detect: check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_fn1()'" check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_fn2()'" check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_int'" # However, we shouldn't detect or declare any ODR violation check_missing debug_msg_ndebug.err "(possible ODR violation)" exit 0
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