From 3281b315c89caf1d539a316e41cc095e46482f75 Mon Sep 17 00:00:00 2001 From: Sriraman Tallam Date: Thu, 15 Feb 2018 17:35:16 -0800 Subject: Fix symbol resolution with linker plugins for defsym symbols. 2018-02-07 Sriraman Tallam * expression.cc (Symbol_expression::set_expr_sym_in_real_elf): New method. (Unary_expression::set_expr_sym_in_real_elf): New method. (Binary_expression::set_expr_sym_in_real_elf): New method. (Trinary_expression::set_expr_sym_in_real_elf): New method. * plugin.cc (get_symbol_resolution_info): Fix symbol resolution if defined or used in defsyms. * plugin.h (Plugin_manager::is_defsym_def): New method. (Plugin_manager::Plugin_manager): Initialize defsym_defines_set_. (Plugin_manager::defsym_defines_set_): New member. (Plugin_manager::Defsym_defines_set): New typedef. * script.cc (Script_options::set_defsym_uses_in_real_elf): New method. (Script_options::find_defsym_defs): New method. * script.h (Expression::set_expr_sym_in_real_elf): New method. (Symbol_assignment::is_defsym): New method. (Symbol_assignment::value): New method. (Script_options::find_defsym_defs): New method. (Script_options::set_defsym_uses_in_real_elf): New method. * testsuite/Makefile.am (plugin_test_defsym): New test. * testsuite/Makefile.in: Regenerate. * testsuite/plugin_test.c: Check for new symbol resolution. * testsuite/plugin_test_defsym.sh: New script. * testsuite/plugin_test_defsym.c: New test source. --- gold/testsuite/Makefile.am | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'gold/testsuite/Makefile.am') diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am index 16cae80..7ec3e8d 100644 --- a/gold/testsuite/Makefile.am +++ b/gold/testsuite/Makefile.am @@ -2332,11 +2332,22 @@ plugin_test_start_lib: unused.o plugin_start_lib_test.o plugin_start_lib_test_2. plugin_test_start_lib.err: plugin_test_start_lib @touch plugin_test_start_lib.err +check_PROGRAMS += plugin_test_defsym +check_SCRIPTS += plugin_test_defsym.sh +check_DATA += plugin_test_defsym.err +MOSTLYCLEANFILES += plugin_test_defsym.err +plugin_test_defsym.syms: plugin_test_defsym.o + $(TEST_READELF) -sW $< >$@ 2>/dev/null +plugin_test_defsym.o: plugin_test_defsym.c + $(COMPILE) -c -o $@ $< +plugin_test_defsym: plugin_test_defsym.o plugin_test_defsym.syms gcctestdir/ld plugin_test.so + $(CXXLINK) -Bgcctestdir/ -Wl,--no-demangle,--plugin,"./plugin_test.so" -Wl,--defsym,bar=foo plugin_test_defsym.syms 2>plugin_test_defsym.err +plugin_test_defsym.err: plugin_test_defsym + @touch plugin_test_defsym.err plugin_start_lib_test_2.syms: plugin_start_lib_test_2.o $(TEST_READELF) -sW $< >$@ 2>/dev/null - plugin_test.so: plugin_test.o gcctestdir/ld $(LINK) -Bgcctestdir/ -shared plugin_test.o plugin_test.o: plugin_test.c -- cgit v1.1