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Implement SORT_BY_INIT_PRIORITY.
2016-06-28 Igor Kudrin <ikudrin@accesssoftek.com> gold/ PR gold/18098 * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY. * script-sections.cc (Input_section_sorter::get_init_priority): New method. (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY. (Output_section_element_input::print): Likewise. * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY. * yyscript.y (SORT_BY_INIT_PRIORITY): New token. (wildcard_section): Handle SORT_BY_INIT_PRIORITY. * testsuite/Makefile.am (script_test_14): New test. * testsuite/Makefile.in: Regenerate. * testsuite/script_test_14.s: New test source file. * testsuite/script_test_14.sh: New test script. * testsuite/script_test_14.t: New test linker script.
This commit is contained in:
Igor Kudrin
Cary Coutant
parent
9abdce70ac
commit
f224a3c590
@ -1,3 +1,20 @@
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2016-06-28 Igor Kudrin <ikudrin@accesssoftek.com>
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PR gold/18098
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* script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
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* script-sections.cc (Input_section_sorter::get_init_priority): New method.
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(Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
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(Output_section_element_input::print): Likewise.
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* script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
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* yyscript.y (SORT_BY_INIT_PRIORITY): New token.
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(wildcard_section): Handle SORT_BY_INIT_PRIORITY.
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* testsuite/Makefile.am (script_test_14): New test.
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* testsuite/Makefile.in: Regenerate.
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* testsuite/script_test_14.s: New test source file.
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* testsuite/script_test_14.sh: New test script.
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* testsuite/script_test_14.t: New test linker script.
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2016-06-28 James Clarke <jrtc27@jrtc27.com>
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* sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
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@ -139,7 +139,8 @@ enum Sort_wildcard
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SORT_WILDCARD_BY_NAME,
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SORT_WILDCARD_BY_ALIGNMENT,
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SORT_WILDCARD_BY_NAME_BY_ALIGNMENT,
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SORT_WILDCARD_BY_ALIGNMENT_BY_NAME
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SORT_WILDCARD_BY_ALIGNMENT_BY_NAME,
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SORT_WILDCARD_BY_INIT_PRIORITY
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};
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/* The information we build for a single wildcard specification. */
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@ -1524,18 +1524,69 @@ class Input_section_sorter
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operator()(const Input_section_info&, const Input_section_info&) const;
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private:
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static unsigned long
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get_init_priority(const char*);
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Sort_wildcard filename_sort_;
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Sort_wildcard section_sort_;
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};
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// Return a relative priority of the section with the specified NAME
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// (a lower value meand a higher priority), or 0 if it should be compared
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// with others as strings.
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// The implementation of this function is copied from ld/ldlang.c.
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unsigned long
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Input_section_sorter::get_init_priority(const char* name)
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{
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char* end;
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unsigned long init_priority;
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// GCC uses the following section names for the init_priority
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// attribute with numerical values 101 and 65535 inclusive. A
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// lower value means a higher priority.
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//
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// 1: .init_array.NNNN/.fini_array.NNNN: Where NNNN is the
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// decimal numerical value of the init_priority attribute.
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// The order of execution in .init_array is forward and
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// .fini_array is backward.
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// 2: .ctors.NNNN/.dtors.NNNN: Where NNNN is 65535 minus the
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// decimal numerical value of the init_priority attribute.
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// The order of execution in .ctors is backward and .dtors
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// is forward.
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if (strncmp(name, ".init_array.", 12) == 0
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|| strncmp(name, ".fini_array.", 12) == 0)
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{
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init_priority = strtoul(name + 12, &end, 10);
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return *end ? 0 : init_priority;
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}
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else if (strncmp(name, ".ctors.", 7) == 0
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|| strncmp(name, ".dtors.", 7) == 0)
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{
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init_priority = strtoul(name + 7, &end, 10);
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return *end ? 0 : 65535 - init_priority;
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}
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return 0;
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}
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bool
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Input_section_sorter::operator()(const Input_section_info& isi1,
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const Input_section_info& isi2) const
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{
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if (this->section_sort_ == SORT_WILDCARD_BY_INIT_PRIORITY)
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{
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unsigned long ip1 = get_init_priority(isi1.section_name().c_str());
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unsigned long ip2 = get_init_priority(isi2.section_name().c_str());
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if (ip1 != 0 && ip2 != 0 && ip1 != ip2)
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return ip1 < ip2;
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}
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if (this->section_sort_ == SORT_WILDCARD_BY_NAME
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|| this->section_sort_ == SORT_WILDCARD_BY_NAME_BY_ALIGNMENT
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|| (this->section_sort_ == SORT_WILDCARD_BY_ALIGNMENT_BY_NAME
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&& isi1.addralign() == isi2.addralign()))
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&& isi1.addralign() == isi2.addralign())
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|| this->section_sort_ == SORT_WILDCARD_BY_INIT_PRIORITY)
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{
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if (isi1.section_name() != isi2.section_name())
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return isi1.section_name() < isi2.section_name();
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@ -1827,6 +1878,10 @@ Output_section_element_input::print(FILE* f) const
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fprintf(f, "SORT_BY_ALIGNMENT(SORT_BY_NAME(");
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close_parens = 2;
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break;
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case SORT_WILDCARD_BY_INIT_PRIORITY:
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fprintf(f, "SORT_BY_INIT_PRIORITY(");
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close_parens = 1;
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break;
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default:
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gold_unreachable();
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}
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@ -1792,6 +1792,7 @@ script_keyword_parsecodes[] =
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{ "SIZEOF_HEADERS", SIZEOF_HEADERS },
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{ "SORT", SORT_BY_NAME },
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{ "SORT_BY_ALIGNMENT", SORT_BY_ALIGNMENT },
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{ "SORT_BY_INIT_PRIORITY", SORT_BY_INIT_PRIORITY },
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{ "SORT_BY_NAME", SORT_BY_NAME },
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{ "SPECIAL", SPECIAL },
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{ "SQUAD", SQUAD },
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@ -1859,6 +1859,17 @@ script_test_12a.o: script_test_12a.c
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script_test_12b.o: script_test_12b.c
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$(COMPILE) -O0 -c -o $@ $<
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# Test for SORT_BY_INIT_PRIORITY.
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check_SCRIPTS += script_test_14.sh
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check_DATA += script_test_14.stdout
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MOSTLYCLEANFILES += script_test_14
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script_test_14.o: script_test_14.s
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$(TEST_AS) -o $@ $<
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script_test_14: $(srcdir)/script_test_14.t script_test_14.o gcctestdir/ld
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gcctestdir/ld -o $@ script_test_14.o -T $(srcdir)/script_test_14.t
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script_test_14.stdout: script_test_14
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$(TEST_OBJDUMP) -s script_test_14 > $@
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# Test --dynamic-list, --dynamic-list-data, --dynamic-list-cpp-new,
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# and --dynamic-list-cpp-typeinfo
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@ -340,9 +340,9 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_4 script_test_5 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_6 script_test_7 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_8 script_test_9 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ dynamic_list dynamic_list.stdout \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ libthin1.a libthin3.a \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ libthinall.a \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_14 dynamic_list \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ dynamic_list.stdout libthin1.a \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ libthin3.a libthinall.a \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ alt/thin_archive_test_2.o \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ alt/thin_archive_test_4.o \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ alt/libthin2.a alt/libthin4.a
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@ -370,6 +370,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
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# Similar to --detect-odr-violations: check for undefined symbols in .so's
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# Test for SORT_BY_INIT_PRIORITY.
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# Test --dynamic-list, --dynamic-list-data, --dynamic-list-cpp-new,
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# and --dynamic-list-cpp-typeinfo
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_36 = debug_msg.sh \
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@ -386,7 +388,9 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_6.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_7.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_8.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_9.sh dynamic_list.sh
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_9.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_14.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ dynamic_list.sh
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# Create the data files that debug_msg.sh analyzes.
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@ -432,6 +436,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_7.stdout \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_8.stdout \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_9.stdout \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_14.stdout \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ dynamic_list.stdout
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@GCC_FALSE@script_test_1_DEPENDENCIES =
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@NATIVE_LINKER_FALSE@script_test_1_DEPENDENCIES =
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@ -4605,6 +4610,8 @@ script_test_8.sh.log: script_test_8.sh
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@p='script_test_8.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
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script_test_9.sh.log: script_test_9.sh
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@p='script_test_9.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
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script_test_14.sh.log: script_test_14.sh
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@p='script_test_14.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
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dynamic_list.sh.log: dynamic_list.sh
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@p='dynamic_list.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
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plugin_test_1.sh.log: plugin_test_1.sh
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@ -6057,6 +6064,12 @@ uninstall-am:
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -O0 -c -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_12b.o: script_test_12b.c
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -O0 -c -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_14.o: script_test_14.s
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AS) -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_14: $(srcdir)/script_test_14.t script_test_14.o gcctestdir/ld
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ gcctestdir/ld -o $@ script_test_14.o -T $(srcdir)/script_test_14.t
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@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_14.stdout: script_test_14
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_OBJDUMP) -s script_test_14 > $@
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@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list: basic_test.o gcctestdir/ld $(srcdir)/dynamic_list.t
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ basic_test.o \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ -Wl,--dynamic-list $(srcdir)/dynamic_list.t \
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59
gold/testsuite/script_test_14.s
Normal file
59
gold/testsuite/script_test_14.s
Normal file
@ -0,0 +1,59 @@
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.section .init_array.101,"aw"
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.byte 0x01
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.section .init_array.103,"aw"
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.byte 0x04
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.section .init_array,"aw"
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.byte 0x00
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.section .init_array.0103,"aw"
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.byte 0x03
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.section .fini_array.101,"aw"
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.byte 0xf1
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.section .fini_array.103,"aw"
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.byte 0xf4
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.section .fini_array,"aw"
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.byte 0xf0
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.section .fini_array.0103,"aw"
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.byte 0xf3
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.section .ctors.101,"aw"
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.byte 0xc1
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.section .ctors.103, "aw"
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.byte 0xc4
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.section .ctors,"aw"
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.byte 0xc0
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.section .ctors.0103,"aw"
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.byte 0xc3
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.section .dtors.101,"aw"
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.byte 0xd1
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.section .dtors.103,"aw"
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.byte 0xd4
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.section .dtors,"aw"
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.byte 0xd0
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.section .dtors.0103,"aw"
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.byte 0xd3
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.section .sec.101,"aw"
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.byte 0xa1
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.section .sec.103,"aw"
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.byte 0xa4
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.section .sec,"aw"
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.byte 0xa0
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.section .sec.0103,"aw"
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.byte 0xa3
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84
gold/testsuite/script_test_14.sh
Normal file
84
gold/testsuite/script_test_14.sh
Normal file
@ -0,0 +1,84 @@
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#!/bin/sh
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# script_test_14.sh -- test SORT_BY_INIT_PRIORITY
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# Copyright (C) 2016 Free Software Foundation, Inc.
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# Written by Igor Kudrin <ikudrin@accesssoftek.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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file="script_test_14.stdout"
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check()
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{
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section=$1
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pattern=$2
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found=`fgrep "Contents of section $section:" -A1 $file | tail -n 1`
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if test -z "$found"; then
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echo "Section \"$section\" not found in file $file"
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echo ""
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echo "Actual output below:"
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cat "$file"
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exit 1
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fi
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match_pattern=`echo "$found" | grep -e "$pattern"`
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if test -z "$match_pattern"; then
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echo "Expected pattern was not found in section \"$section\":"
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echo " $pattern"
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echo ""
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echo "Actual output below:"
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cat "$file"
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exit 1
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fi
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}
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# Sort order for .init_array:
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# * .init_array -- Doesn't have a numeric part, compared with others as strings.
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# * .init_array.101 -- The numeric part is less than in the two others.
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# * .init_array.0103 -- These names have numeric parts with the same value,
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# * .init_array.103 / so they are compared as strings.
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check ".init_array" "\<00010304\b"
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# Sort order for .fini_array, the same consideration as for .init_array:
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# * .fini_array
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# * .fini_array.101
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# * .fini_array.0103
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# * .fini_array.103
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check ".fini_array" "\<f0f1f3f4\b"
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# Sort order for .ctors:
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# * .ctors -- Doesn't have a numeric part, compared with others as strings
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# * .ctors.0103 -- The numeric parts have the same value, which is greater than
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# * .ctors.103 / in the last section's name. This pair is compared as strings.
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# * .ctors.101 -- The least numeric part among all sections which contain them.
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check ".ctors" "\<c0c3c4c1\b"
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# Sort order for .dtors, the same considerations as for .ctors:
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# * .dtors
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# * .dtors.0103
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# * .dtors.103
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# * .dtors.101
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check ".dtors" "\<d0d3d4d1\b"
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# Sort order for .sec, just sort as strings, because it's not the reserved name:
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# * .sec
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# * .sec.0103
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# * .sec.101
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# * .sec.103
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check ".sec" "\<a0a3a1a4\b"
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30
gold/testsuite/script_test_14.t
Normal file
30
gold/testsuite/script_test_14.t
Normal file
@ -0,0 +1,30 @@
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/* script_test_14.t -- test SORT_BY_INIT_PRIORITY.
|
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Copyright (C) 2016 Free Software Foundation, Inc.
|
||||
Written by Igor Kudrin <ikudrin@accesssoftek.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. */
|
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SECTIONS
|
||||
{
|
||||
.init_array : { *(SORT_BY_INIT_PRIORITY(.init_array*)) }
|
||||
.fini_array : { *(SORT_BY_INIT_PRIORITY(.fini_array*)) }
|
||||
.ctors : { *(SORT_BY_INIT_PRIORITY(.ctors*)) }
|
||||
.dtors : { *(SORT_BY_INIT_PRIORITY(.dtors*)) }
|
||||
.sec : { *(SORT_BY_INIT_PRIORITY(.sec*)) }
|
||||
}
|
||||
@ -175,6 +175,7 @@
|
||||
%token SIZEOF
|
||||
%token SIZEOF_HEADERS /* SIZEOF_HEADERS, sizeof_headers */
|
||||
%token SORT_BY_ALIGNMENT
|
||||
%token SORT_BY_INIT_PRIORITY
|
||||
%token SORT_BY_NAME
|
||||
%token SPECIAL
|
||||
%token SQUAD
|
||||
@ -677,6 +678,11 @@ wildcard_section:
|
||||
abort();
|
||||
}
|
||||
}
|
||||
| SORT_BY_INIT_PRIORITY '(' wildcard_name ')'
|
||||
{
|
||||
$$.name = $3;
|
||||
$$.sort = SORT_WILDCARD_BY_INIT_PRIORITY;
|
||||
}
|
||||
;
|
||||
|
||||
/* A list of file names to exclude. */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user