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* common.cc (Sort_commons::operator): Correct sorting algorithm.
* testsuite/common_test_1.c: New file. * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1. (common_test_1_SOURCES): New variable. (common_test_1_DEPENDENCIES): New variable. (common_test_1_LDFLAGS): New variable.
This commit is contained in:
Ian Lance Taylor
parent
f66d820539
commit
49bdd526ab
@ -1,5 +1,12 @@
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2008-03-27 Ian Lance Taylor <iant@google.com>
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* common.cc (Sort_commons::operator): Correct sorting algorithm.
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* testsuite/common_test_1.c: New file.
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* testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
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(common_test_1_SOURCES): New variable.
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(common_test_1_DEPENDENCIES): New variable.
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(common_test_1_LDFLAGS): New variable.
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* symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
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and commons_ correctly when NAME/VERSION does not override
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NAME/NULL.
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@ -93,19 +93,21 @@ Sort_commons<size>::operator()(const Symbol* pa, const Symbol* pb) const
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const Sized_symbol<size>* psa = symtab->get_sized_symbol<size>(pa);
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const Sized_symbol<size>* psb = symtab->get_sized_symbol<size>(pb);
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// Sort by largest size first.
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typename Sized_symbol<size>::Size_type sa = psa->symsize();
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typename Sized_symbol<size>::Size_type sb = psb->symsize();
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if (sa < sb)
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return false;
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else if (sb > sa)
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else if (sb < sa)
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return true;
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// When the symbols are the same size, we sort them by alignment.
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// When the symbols are the same size, we sort them by alignment,
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// largest alignment first.
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typename Sized_symbol<size>::Value_type va = psa->value();
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typename Sized_symbol<size>::Value_type vb = psb->value();
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if (va < vb)
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return false;
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else if (vb > va)
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else if (vb < va)
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return true;
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// Otherwise we stabilize the sort by sorting by name.
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@ -277,6 +277,10 @@ two_file_mixed_2_shared_test_LDADD = two_file_shared_mixed_1.so two_file_shared_
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endif FN_PTRS_IN_SO_WITHOUT_PIC
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check_PROGRAMS += common_test_1
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common_test_1_SOURCES = common_test_1.c
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common_test_1_DEPENDENCIES = gcctestdir/ld
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common_test_1_LDFLAGS = -Bgcctestdir/
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check_PROGRAMS += exception_test
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check_PROGRAMS += exception_static_test
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@ -102,7 +102,8 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_separate_shared_21_nonpic_test \
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_mixed_shared_test \
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_mixed_2_shared_test
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_3 = exception_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_3 = common_test_1 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_static_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_shared_1_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_shared_2_test \
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@ -110,6 +111,13 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_separate_shared_12_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_separate_shared_21_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_test
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@GCC_FALSE@common_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
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@GCC_FALSE@ ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
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@GCC_FALSE@ $(am__DEPENDENCIES_1)
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@NATIVE_LINKER_FALSE@common_test_1_DEPENDENCIES = libgoldtest.a \
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@NATIVE_LINKER_FALSE@ ../libgold.a ../../libiberty/libiberty.a \
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@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1) \
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@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1)
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@GCC_FALSE@exception_test_DEPENDENCIES = libgoldtest.a ../libgold.a \
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@GCC_FALSE@ ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
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@GCC_FALSE@ $(am__DEPENDENCIES_1)
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@ -264,7 +272,8 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_separate_shared_21_nonpic_test$(EXEEXT) \
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_mixed_shared_test$(EXEEXT) \
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_mixed_2_shared_test$(EXEEXT)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_3 = exception_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_3 = common_test_1$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_static_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_shared_1_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_shared_2_test$(EXEEXT) \
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@ -327,6 +336,11 @@ binary_unittest_LDADD = $(LDADD)
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binary_unittest_DEPENDENCIES = libgoldtest.a ../libgold.a \
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../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
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$(am__DEPENDENCIES_1)
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am__common_test_1_SOURCES_DIST = common_test_1.c
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_common_test_1_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ common_test_1.$(OBJEXT)
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common_test_1_OBJECTS = $(am_common_test_1_OBJECTS)
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common_test_1_LDADD = $(LDADD)
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am__constructor_static_test_SOURCES_DIST = constructor_test.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__objects_1 = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ constructor_test.$(OBJEXT)
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@ -614,7 +628,8 @@ CXXLINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) \
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SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
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basic_static_pic_test.c basic_static_test.c basic_test.c \
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$(binary_test_SOURCES) $(binary_unittest_SOURCES) \
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$(constructor_static_test_SOURCES) $(constructor_test_SOURCES) \
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$(common_test_1_SOURCES) $(constructor_static_test_SOURCES) \
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$(constructor_test_SOURCES) \
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$(exception_same_shared_test_SOURCES) \
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$(exception_separate_shared_12_test_SOURCES) \
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$(exception_separate_shared_21_test_SOURCES) \
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@ -651,6 +666,7 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
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DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
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basic_static_pic_test.c basic_static_test.c basic_test.c \
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$(am__binary_test_SOURCES_DIST) $(binary_unittest_SOURCES) \
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$(am__common_test_1_SOURCES_DIST) \
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$(am__constructor_static_test_SOURCES_DIST) \
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$(am__constructor_test_SOURCES_DIST) \
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$(am__exception_same_shared_test_SOURCES_DIST) \
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@ -985,6 +1001,9 @@ binary_unittest_SOURCES = binary_unittest.cc
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@two_file_mixed_2_shared_test_DEPENDENCIES = gcctestdir/ld two_file_shared_mixed_1.so two_file_shared_2.so
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@two_file_mixed_2_shared_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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@FN_PTRS_IN_SO_WITHOUT_PIC_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@two_file_mixed_2_shared_test_LDADD = two_file_shared_mixed_1.so two_file_shared_2.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@common_test_1_SOURCES = common_test_1.c
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@GCC_TRUE@@NATIVE_LINKER_TRUE@common_test_1_DEPENDENCIES = gcctestdir/ld
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@GCC_TRUE@@NATIVE_LINKER_TRUE@common_test_1_LDFLAGS = -Bgcctestdir/
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@GCC_TRUE@@NATIVE_LINKER_TRUE@exception_test_SOURCES = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_test_main.cc \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_test_1.cc \
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@ -1152,6 +1171,9 @@ binary_test$(EXEEXT): $(binary_test_OBJECTS) $(binary_test_DEPENDENCIES)
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binary_unittest$(EXEEXT): $(binary_unittest_OBJECTS) $(binary_unittest_DEPENDENCIES)
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@rm -f binary_unittest$(EXEEXT)
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$(CXXLINK) $(binary_unittest_LDFLAGS) $(binary_unittest_OBJECTS) $(binary_unittest_LDADD) $(LIBS)
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common_test_1$(EXEEXT): $(common_test_1_OBJECTS) $(common_test_1_DEPENDENCIES)
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@rm -f common_test_1$(EXEEXT)
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$(LINK) $(common_test_1_LDFLAGS) $(common_test_1_OBJECTS) $(common_test_1_LDADD) $(LIBS)
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constructor_static_test$(EXEEXT): $(constructor_static_test_OBJECTS) $(constructor_static_test_DEPENDENCIES)
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@rm -f constructor_static_test$(EXEEXT)
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$(CXXLINK) $(constructor_static_test_LDFLAGS) $(constructor_static_test_OBJECTS) $(constructor_static_test_LDADD) $(LIBS)
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@ -1318,6 +1340,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/basic_test.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/binary_test.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/binary_unittest.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/common_test_1.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/constructor_test.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/exception_test_1.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/exception_test_2.Po@am__quote@
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75
gold/testsuite/common_test_1.c
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75
gold/testsuite/common_test_1.c
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@ -0,0 +1,75 @@
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/* common_test_1.c -- test common symbol sorting
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Copyright 2008 Free Software Foundation, Inc.
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Written by Ian Lance Taylor <iant@google.com>
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This file is part of gold.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA.
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This is a test of a common symbol in the main program and a
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versioned symbol in a shared library. The common symbol in the
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main program should override the shared library symbol. */
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#include <assert.h>
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/* Common symbols should be sorted by size, largest first, and then by
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alignment, largest first. We mix up the names, because gas seems
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to sort common symbols roughly by name. */
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int c9[90];
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int c8[80];
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int c7[70];
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int c6[60];
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int c5[10];
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int c4[20];
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int c3[30];
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int c2[40];
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int c1[50];
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int a1 __attribute__ ((aligned (1 << 9)));
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int a2 __attribute__ ((aligned (1 << 8)));
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int a3 __attribute__ ((aligned (1 << 7)));
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int a4 __attribute__ ((aligned (1 << 6)));
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int a5 __attribute__ ((aligned (1 << 1)));
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int a6 __attribute__ ((aligned (1 << 2)));
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int a7 __attribute__ ((aligned (1 << 3)));
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int a8 __attribute__ ((aligned (1 << 4)));
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int a9 __attribute__ ((aligned (1 << 5)));
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int
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main (int argc __attribute__ ((unused)), char** argv __attribute__ ((unused)))
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{
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assert (c5 > c4);
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assert (c4 > c3);
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assert (c3 > c2);
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assert (c2 > c1);
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assert (c1 > c6);
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assert (c6 > c7);
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assert (c7 > c8);
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assert (c8 > c9);
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assert (&a1 < &a2);
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assert (&a2 < &a3);
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assert (&a3 < &a4);
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assert (&a4 < &a9);
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assert (&a9 < &a8);
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assert (&a8 < &a7);
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assert (&a7 < &a6);
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assert (&a6 < &a5);
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return 0;
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}
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