gold/
authorCary Coutant <ccoutant@google.com>
Mon, 15 Apr 2013 16:34:12 +0000 (16:34 +0000)
committerCary Coutant <ccoutant@google.com>
Mon, 15 Apr 2013 16:34:12 +0000 (16:34 +0000)
     * symtab.cc (Symbol_table::sized_write_globals): Subtract
     section starting address for relocatable link.
     * testsuite/Makefile.am (script_test_11): New test.
     * testsuite/Makefile.in: Regenerate.
     * testsuite/script_test_11.c: New source file.
     * testsuite/script_test_11.t: New linker script.

gold/ChangeLog
gold/symtab.cc
gold/testsuite/Makefile.am
gold/testsuite/Makefile.in
gold/testsuite/script_test_11.c [new file with mode: 0644]
gold/testsuite/script_test_11.t [new file with mode: 0644]

index 26058749ab9b0845407ff9fa18c3a6a11dd65943..a63521453b694b15b6043b7019acec849790c740 100644 (file)
@@ -1,3 +1,12 @@
+2013-04-15  Cary Coutant  <ccoutant@google.com>
+
+       * symtab.cc (Symbol_table::sized_write_globals): Subtract
+       section starting address for relocatable link.
+       * testsuite/Makefile.am (script_test_11): New test.
+       * testsuite/Makefile.in: Regenerate.
+       * testsuite/script_test_11.c: New source file.
+       * testsuite/script_test_11.t: New linker script.
+
 2013-04-13  Alan Modra  <amodra@gmail.com>
 
        * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
index 17a0f55b292eeefe66255df4e7ae1e4ea12aaaa4..2e17529b455cee8c8a06df1aba1a3f7cf7696e3d 100644 (file)
@@ -2940,15 +2940,24 @@ Symbol_table::sized_write_globals(const Stringpool* sympool,
          break;
 
        case Symbol::IN_OUTPUT_DATA:
-         shndx = sym->output_data()->out_shndx();
-         if (shndx >= elfcpp::SHN_LORESERVE)
-           {
-             if (sym_index != -1U)
-               symtab_xindex->add(sym_index, shndx);
-             if (dynsym_index != -1U)
-               dynsym_xindex->add(dynsym_index, shndx);
-             shndx = elfcpp::SHN_XINDEX;
-           }
+         {
+           Output_data* od = sym->output_data();
+
+           shndx = od->out_shndx();
+           if (shndx >= elfcpp::SHN_LORESERVE)
+             {
+               if (sym_index != -1U)
+                 symtab_xindex->add(sym_index, shndx);
+               if (dynsym_index != -1U)
+                 dynsym_xindex->add(dynsym_index, shndx);
+               shndx = elfcpp::SHN_XINDEX;
+             }
+
+           // In object files symbol values are section
+           // relative.
+           if (parameters->options().relocatable())
+             sym_value -= od->address();
+         }
          break;
 
        case Symbol::IN_OUTPUT_SEGMENT:
index 5b5c86bddc8136bfbf4ca1c35a783b9ee93309b4..4d0292569c2f86740f6a5ebc6477c825b21887c1 100644 (file)
@@ -1398,7 +1398,6 @@ script_test_8: basic_test.o gcctestdir/ld $(srcdir)/script_test_7.t
 script_test_8.stdout: script_test_8
        $(TEST_READELF) -SlW script_test_8 > script_test_8.stdout
 
-
 check_SCRIPTS += script_test_9.sh
 check_DATA += script_test_9.stdout
 MOSTLYCLEANFILES += script_test_9
@@ -1409,6 +1408,16 @@ script_test_9: gcctestdir/ld $(srcdir)/script_test_9.t script_test_9.o
 script_test_9.stdout: script_test_9
        $(TEST_READELF) -lW script_test_9 > script_test_9.stdout
 
+# Test scripts with a relocatable link.
+# The -g option is necessary to trigger a bug where a section
+# declared in a script file is assigned a non-zero starting address.
+check_PROGRAMS += script_test_11
+script_test_11: gcctestdir/ld script_test_11_r.o
+       $(LINK) -Bgcctestdir/ script_test_11_r.o
+script_test_11_r.o: gcctestdir/ld $(srcdir)/script_test_11.t script_test_11.o
+       gcctestdir/ld -r -o $@ -T $(srcdir)/script_test_11.t script_test_11.o
+script_test_11.o: script_test_11.c
+       $(COMPILE) -c -g -o $@ $<
 
 # Test --dynamic-list, --dynamic-list-data, --dynamic-list-cpp-new,
 # and --dynamic-list-cpp-typeinfo
index ec0acb91038be11bd87873c648d2b9e6e7c27245..fa9e80f8346816799638a590bb67abd5900278c9 100644 (file)
@@ -288,6 +288,10 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 # Test -TText and -Tdata.
 
 # Test symbol versioning.
+
+# Test scripts with a relocatable link.
+# The -g option is necessary to trigger a bug where a section
+# declared in a script file is assigned a non-zero starting address.
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_32 = flagstest_o_ttext_1 \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test ver_test_2 ver_test_6 \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_8 ver_test_9 \
@@ -300,7 +304,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms_exec binary_test \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_3 \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_phdrs_script_test \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_script_test \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_script_test script_test_11 \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_1 \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_2
 @GCC_FALSE@script_test_1_DEPENDENCIES =
@@ -800,6 +804,7 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_3$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_phdrs_script_test$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_script_test$(EXEEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_11$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_1$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_2$(EXEEXT)
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@am__EXEEXT_23 = plugin_test_1$(EXEEXT) \
@@ -1398,6 +1403,12 @@ relro_test_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \
 script_test_1_OBJECTS = $(am_script_test_1_OBJECTS)
 script_test_1_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \
        $(script_test_1_LDFLAGS) $(LDFLAGS) -o $@
+script_test_11_SOURCES = script_test_11.c
+script_test_11_OBJECTS = script_test_11.$(OBJEXT)
+script_test_11_LDADD = $(LDADD)
+script_test_11_DEPENDENCIES = libgoldtest.a ../libgold.a \
+       ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
+       $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am_script_test_2_OBJECTS =  \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2.$(OBJEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2a.$(OBJEXT) \
@@ -1764,8 +1775,9 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c basic_pie_test.c \
        plugin_test_8.c $(protected_1_SOURCES) $(protected_2_SOURCES) \
        $(relro_now_test_SOURCES) $(relro_script_test_SOURCES) \
        $(relro_strip_test_SOURCES) $(relro_test_SOURCES) \
-       $(script_test_1_SOURCES) $(script_test_2_SOURCES) \
-       script_test_3.c $(searched_file_test_SOURCES) start_lib_test.c \
+       $(script_test_1_SOURCES) script_test_11.c \
+       $(script_test_2_SOURCES) script_test_3.c \
+       $(searched_file_test_SOURCES) start_lib_test.c \
        $(thin_archive_test_1_SOURCES) $(thin_archive_test_2_SOURCES) \
        $(tls_phdrs_script_test_SOURCES) $(tls_pic_test_SOURCES) \
        tls_pie_pic_test.c tls_pie_test.c $(tls_script_test_SOURCES) \
@@ -3149,6 +3161,12 @@ relro_test$(EXEEXT): $(relro_test_OBJECTS) $(relro_test_DEPENDENCIES)
 script_test_1$(EXEEXT): $(script_test_1_OBJECTS) $(script_test_1_DEPENDENCIES) 
        @rm -f script_test_1$(EXEEXT)
        $(script_test_1_LINK) $(script_test_1_OBJECTS) $(script_test_1_LDADD) $(LIBS)
+@GCC_FALSE@script_test_11$(EXEEXT): $(script_test_11_OBJECTS) $(script_test_11_DEPENDENCIES) 
+@GCC_FALSE@    @rm -f script_test_11$(EXEEXT)
+@GCC_FALSE@    $(LINK) $(script_test_11_OBJECTS) $(script_test_11_LDADD) $(LIBS)
+@NATIVE_LINKER_FALSE@script_test_11$(EXEEXT): $(script_test_11_OBJECTS) $(script_test_11_DEPENDENCIES) 
+@NATIVE_LINKER_FALSE@  @rm -f script_test_11$(EXEEXT)
+@NATIVE_LINKER_FALSE@  $(LINK) $(script_test_11_OBJECTS) $(script_test_11_LDADD) $(LIBS)
 script_test_2$(EXEEXT): $(script_test_2_OBJECTS) $(script_test_2_DEPENDENCIES) 
        @rm -f script_test_2$(EXEEXT)
        $(script_test_2_LINK) $(script_test_2_OBJECTS) $(script_test_2_LDADD) $(LIBS)
@@ -3432,6 +3450,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protected_main_3.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/relro_test_main.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_1.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_11.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_2.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_2a.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_2b.Po@am__quote@
@@ -4032,6 +4051,8 @@ tls_phdrs_script_test.log: tls_phdrs_script_test$(EXEEXT)
        @p='tls_phdrs_script_test$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 tls_script_test.log: tls_script_test$(EXEEXT)
        @p='tls_script_test$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
+script_test_11.log: script_test_11$(EXEEXT)
+       @p='script_test_11$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 thin_archive_test_1.log: thin_archive_test_1$(EXEEXT)
        @p='thin_archive_test_1$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 thin_archive_test_2.log: thin_archive_test_2$(EXEEXT)
@@ -4833,6 +4854,12 @@ uninstall-am:
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ script_test_9.o -T $(srcdir)/script_test_9.t
 @GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_9.stdout: script_test_9
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) -lW script_test_9 > script_test_9.stdout
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_11: gcctestdir/ld script_test_11_r.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(LINK) -Bgcctestdir/ script_test_11_r.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_11_r.o: gcctestdir/ld $(srcdir)/script_test_11.t script_test_11.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ gcctestdir/ld -r -o $@ -T $(srcdir)/script_test_11.t script_test_11.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_11.o: script_test_11.c
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -g -o $@ $<
 @GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list: basic_test.o gcctestdir/ld $(srcdir)/dynamic_list.t
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ basic_test.o \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@   -Wl,--dynamic-list $(srcdir)/dynamic_list.t \
diff --git a/gold/testsuite/script_test_11.c b/gold/testsuite/script_test_11.c
new file mode 100644 (file)
index 0000000..d932813
--- /dev/null
@@ -0,0 +1,16 @@
+static unsigned int buffer1[256] __attribute((used));
+static unsigned int buffer2[256] __attribute((used)) = { 1 };
+
+unsigned int foo __attribute__((section(".foo")));
+extern char __foo_start;
+extern char __foo_end;
+
+int
+main (void)
+{
+  if (&__foo_end - &__foo_start != sizeof(foo))
+    return 1;
+  if (&__foo_start != (char *)&foo)
+    return 2;
+  return 0;
+}
diff --git a/gold/testsuite/script_test_11.t b/gold/testsuite/script_test_11.t
new file mode 100644 (file)
index 0000000..0ec6bcd
--- /dev/null
@@ -0,0 +1,8 @@
+SECTIONS
+{
+    .foo : {
+      __foo_start = .;
+      KEEP(*(.foo))
+      __foo_end = .;
+      }
+}