From 6c04fd9b2fb4396c0189cb414ce598161ac8673e Mon Sep 17 00:00:00 2001 From: Cary Coutant Date: Fri, 22 Jun 2018 09:27:39 -0700 Subject: [PATCH] Add support for .note.gnu.property sections. elfcpp/ PR gold/22914 * elfcpp.h (NT_GNU_PROPERTY_TYPE_0): New note type. (GNU_PROPERTY_*): New Gnu property types. * x86_64.h (GNU_PROPERTY_X86_FEATURE_1_IBT) (GNU_PROPERTY_X86_FEATURE_1_SHSTK): New x86 feature bits. gold/ PR gold/22914 * layout.cc (Layout::Layout): Initialize gnu_properties_. (read_sized_value, write_sized_value): New functions. (Layout::layout_gnu_property): New method. (Layout::create_notes): Call create_gnu_properties_note. (Layout::create_gnu_properties_note): New method. * layout.h (Layout::layout_gnu_property): New method. (Layout::create_gnu_properties_note): New method. (Layout::Gnu_property, Layout::Gnu_properties): New types. (Layout::gnu_properties_): New data member. * object.cc (Sized_relobj_file::layout_gnu_property_section): New method. (Sized_relobj_file::do_layout): Handle .note.gnu.property sections. * object.h (Sized_relobj_file::layout_gnu_property_section): New method. * target.h (Target::merge_gnu_property): New method. (Target::do_merge_gnu_property): New virtual method. * x86_64.cc (Target_x86_64::do_merge_gnu_property): New method. * testsuite/Makefile.am (gnu_property_test): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/gnu_property_a.S: New source file. * testsuite/gnu_property_b.S: New source file. * testsuite/gnu_property_c.S: New source file. * testsuite/gnu_property_main.c: New source file. * testsuite/gnu_property_test.sh: New test script. --- elfcpp/ChangeLog | 8 ++ elfcpp/elfcpp.h | 19 ++- elfcpp/x86_64.h | 6 + gold/ChangeLog | 28 +++++ gold/layout.cc | 175 +++++++++++++++++++++++++++- gold/layout.h | 22 ++++ gold/object.cc | 104 +++++++++++++++++ gold/object.h | 4 + gold/target.h | 24 ++++ gold/testsuite/Makefile.am | 17 +++ gold/testsuite/Makefile.in | 93 +++++++++------ gold/testsuite/gnu_property_a.S | 41 +++++++ gold/testsuite/gnu_property_b.S | 38 ++++++ gold/testsuite/gnu_property_c.S | 44 +++++++ gold/testsuite/gnu_property_main.c | 5 + gold/testsuite/gnu_property_test.sh | 64 ++++++++++ gold/x86_64.cc | 39 +++++++ 17 files changed, 693 insertions(+), 38 deletions(-) create mode 100644 gold/testsuite/gnu_property_a.S create mode 100644 gold/testsuite/gnu_property_b.S create mode 100644 gold/testsuite/gnu_property_c.S create mode 100644 gold/testsuite/gnu_property_main.c create mode 100755 gold/testsuite/gnu_property_test.sh diff --git a/elfcpp/ChangeLog b/elfcpp/ChangeLog index 7c4a51423b3..27ca12759c9 100644 --- a/elfcpp/ChangeLog +++ b/elfcpp/ChangeLog @@ -1,3 +1,11 @@ +2018-06-22 Cary Coutant + + PR gold/22914 + * elfcpp.h (NT_GNU_PROPERTY_TYPE_0): New note type. + (GNU_PROPERTY_*): New Gnu property types. + * x86_64.h (GNU_PROPERTY_X86_FEATURE_1_IBT) + (GNU_PROPERTY_X86_FEATURE_1_SHSTK): New x86 feature bits. + 2018-04-09 Alan Modra * powerpc.h (R_POWERPC_PLTSEQ, R_POWERPC_PLTCALL): Define. diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h index 018e0f50da1..ea2e8eab134 100644 --- a/elfcpp/elfcpp.h +++ b/elfcpp/elfcpp.h @@ -984,7 +984,9 @@ enum NT_GNU_BUILD_ID = 3, // The version of gold used to link. Th descriptor is just a // string. - NT_GNU_GOLD_VERSION = 4 + NT_GNU_GOLD_VERSION = 4, + // Program property note, as described in "Linux Extensions to the gABI". + NT_GNU_PROPERTY_TYPE_0 = 5 }; // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note. @@ -999,6 +1001,21 @@ enum ELF_NOTE_OS_SYLLABLE = 5 }; +// Program property types for NT_GNU_PROPERTY_TYPE_0. + +enum +{ + GNU_PROPERTY_STACK_SIZE = 1, + GNU_PROPERTY_NO_COPY_ON_PROTECTED = 2, + GNU_PROPERTY_LOPROC = 0xc0000000, + GNU_PROPERTY_X86_ISA_1_USED = 0xc0000000, + GNU_PROPERTY_X86_ISA_1_NEEDED = 0xc0000001, + GNU_PROPERTY_X86_FEATURE_1_AND = 0xc0000002, + GNU_PROPERTY_HIPROC = 0xdfffffff, + GNU_PROPERTY_LOUSER = 0xe0000000, + GNU_PROPERTY_HIUSER = 0xffffffff +}; + } // End namespace elfcpp. // Include internal details after defining the types. diff --git a/elfcpp/x86_64.h b/elfcpp/x86_64.h index a8883dd20ca..0f1dc9af602 100644 --- a/elfcpp/x86_64.h +++ b/elfcpp/x86_64.h @@ -103,6 +103,12 @@ enum R_X86_64_GNU_VTENTRY = 251 }; +// The bit values that can appear in the GNU_PROPERTY_X86_FEATURE_1_AND +// program property. + +const uint64_t GNU_PROPERTY_X86_FEATURE_1_IBT = 1ULL << 0; +const uint64_t GNU_PROPERTY_X86_FEATURE_1_SHSTK = 1ULL << 1; + } // End namespace elfcpp. #endif // !defined(ELFCPP_X86_64_H) diff --git a/gold/ChangeLog b/gold/ChangeLog index 9297e6d249b..623eb593f26 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,31 @@ +2018-06-22 Cary Coutant + + PR gold/22914 + * layout.cc (Layout::Layout): Initialize gnu_properties_. + (read_sized_value, write_sized_value): New functions. + (Layout::layout_gnu_property): New method. + (Layout::create_notes): Call create_gnu_properties_note. + (Layout::create_gnu_properties_note): New method. + * layout.h (Layout::layout_gnu_property): New method. + (Layout::create_gnu_properties_note): New method. + (Layout::Gnu_property, Layout::Gnu_properties): New types. + (Layout::gnu_properties_): New data member. + * object.cc (Sized_relobj_file::layout_gnu_property_section): New + method. + (Sized_relobj_file::do_layout): Handle .note.gnu.property sections. + * object.h (Sized_relobj_file::layout_gnu_property_section): New + method. + * target.h (Target::merge_gnu_property): New method. + (Target::do_merge_gnu_property): New virtual method. + * x86_64.cc (Target_x86_64::do_merge_gnu_property): New method. + * testsuite/Makefile.am (gnu_property_test): New test case. + * testsuite/Makefile.in: Regenerate. + * testsuite/gnu_property_a.S: New source file. + * testsuite/gnu_property_b.S: New source file. + * testsuite/gnu_property_c.S: New source file. + * testsuite/gnu_property_main.c: New source file. + * testsuite/gnu_property_test.sh: New test script. + 2018-06-21 Cary Coutant * resolve.cc (Symbol_table::resolve): Rename tobinding to diff --git a/gold/layout.cc b/gold/layout.cc index 2eb7b7c8429..9ce38c3ddef 100644 --- a/gold/layout.cc +++ b/gold/layout.cc @@ -474,7 +474,8 @@ Layout::Layout(int number_of_input_files, Script_options* script_options) input_section_position_(), input_section_glob_(), incremental_base_(NULL), - free_list_() + free_list_(), + gnu_properties_() { // Make space for more than enough segments for a typical file. // This is just for efficiency--it's OK if we wind up needing more. @@ -2193,11 +2194,133 @@ Layout::layout_gnu_stack(bool seen_gnu_stack, uint64_t gnu_stack_flags, } } +// Read a value with given size and endianness. + +static inline uint64_t +read_sized_value(size_t size, const unsigned char* buf, bool is_big_endian, + const Object* object) +{ + uint64_t val = 0; + if (size == 4) + { + if (is_big_endian) + val = elfcpp::Swap<32, true>::readval(buf); + else + val = elfcpp::Swap<32, false>::readval(buf); + } + else if (size == 8) + { + if (is_big_endian) + val = elfcpp::Swap<64, true>::readval(buf); + else + val = elfcpp::Swap<64, false>::readval(buf); + } + else + { + gold_warning(_("%s: in .note.gnu.properties section, " + "pr_datasz must be 4 or 8"), + object->name().c_str()); + } + return val; +} + +// Write a value with given size and endianness. + +static inline void +write_sized_value(uint64_t value, size_t size, unsigned char* buf, + bool is_big_endian) +{ + if (size == 4) + { + if (is_big_endian) + elfcpp::Swap<32, true>::writeval(buf, static_cast(value)); + else + elfcpp::Swap<32, false>::writeval(buf, static_cast(value)); + } + else if (size == 8) + { + if (is_big_endian) + elfcpp::Swap<64, true>::writeval(buf, value); + else + elfcpp::Swap<64, false>::writeval(buf, value); + } + else + { + // We will have already complained about this. + } +} + +// Handle the .note.gnu.property section at layout time. + +void +Layout::layout_gnu_property(unsigned int note_type, + unsigned int pr_type, + size_t pr_datasz, + const unsigned char* pr_data, + const Object* object) +{ + // We currently support only the one note type. + gold_assert(note_type == elfcpp::NT_GNU_PROPERTY_TYPE_0); + + Gnu_properties::iterator pprop = this->gnu_properties_.find(pr_type); + if (pprop == this->gnu_properties_.end()) + { + Gnu_property prop; + prop.pr_datasz = pr_datasz; + prop.pr_data = new unsigned char[pr_datasz]; + memcpy(prop.pr_data, pr_data, pr_datasz); + this->gnu_properties_[pr_type] = prop; + } + else + { + if (pr_type >= elfcpp::GNU_PROPERTY_LOPROC + && pr_type < elfcpp::GNU_PROPERTY_HIPROC) + { + // Target-dependent property value; call the target to merge. + parameters->target().merge_gnu_property(note_type, + pr_type, + pr_datasz, + pr_data, + pprop->second.pr_datasz, + pprop->second.pr_data, + object); + } + else + { + const bool is_big_endian = parameters->target().is_big_endian(); + switch (pr_type) + { + case elfcpp::GNU_PROPERTY_STACK_SIZE: + // Record the maximum value seen. + { + uint64_t val1 = read_sized_value(pprop->second.pr_datasz, + pprop->second.pr_data, + is_big_endian, object); + uint64_t val2 = read_sized_value(pr_datasz, pr_data, + is_big_endian, object); + if (val2 > val1) + write_sized_value(val2, pprop->second.pr_datasz, + pprop->second.pr_data, is_big_endian); + } + break; + case elfcpp::GNU_PROPERTY_NO_COPY_ON_PROTECTED: + // No data to merge. + break; + default: + gold_warning(_("%s: unknown program property type %d " + "in .note.gnu.properties section"), + object->name().c_str(), pr_type); + } + } + } +} + // Create automatic note sections. void Layout::create_notes() { + this->create_gnu_properties_note(); this->create_gold_note(); this->create_stack_segment(); this->create_build_id(); @@ -3021,6 +3144,56 @@ Layout::create_note(const char* name, int note_type, return os; } +// Create a .note.gnu.properties section to record program properties +// accumulated from the input files. + +void +Layout::create_gnu_properties_note() +{ + if (this->gnu_properties_.empty()) + return; + + const unsigned int size = parameters->target().get_size(); + const bool is_big_endian = parameters->target().is_big_endian(); + + // Compute the total size of the properties array. + size_t descsz = 0; + for (Gnu_properties::const_iterator prop = this->gnu_properties_.begin(); + prop != this->gnu_properties_.end(); + ++prop) + { + descsz = align_address(descsz + 8 + prop->second.pr_datasz, size / 8); + } + + // Create the note section. + size_t trailing_padding; + Output_section* os = this->create_note("GNU", elfcpp::NT_GNU_PROPERTY_TYPE_0, + ".note.gnu.properties", descsz, + true, &trailing_padding); + if (os == NULL) + return; + gold_assert(trailing_padding == 0); + + // Allocate and fill the properties array. + unsigned char* desc = new unsigned char[descsz]; + unsigned char* p = desc; + for (Gnu_properties::const_iterator prop = this->gnu_properties_.begin(); + prop != this->gnu_properties_.end(); + ++prop) + { + size_t datasz = prop->second.pr_datasz; + size_t aligned_datasz = align_address(prop->second.pr_datasz, size / 8); + write_sized_value(prop->first, 4, p, is_big_endian); + write_sized_value(datasz, 4, p + 4, is_big_endian); + memcpy(p + 8, prop->second.pr_data, datasz); + if (aligned_datasz > datasz) + memset(p + 8 + datasz, 0, aligned_datasz - datasz); + p += 8 + aligned_datasz; + } + Output_section_data* posd = new Output_data_const(desc, descsz, 4); + os->add_output_section_data(posd); +} + // For an executable or shared library, create a note to record the // version of gold used to create the binary. diff --git a/gold/layout.h b/gold/layout.h index 806f6e53b01..d71d291b7c0 100644 --- a/gold/layout.h +++ b/gold/layout.h @@ -693,6 +693,14 @@ class Layout layout_gnu_stack(bool seen_gnu_stack, uint64_t gnu_stack_flags, const Object*); + // Layout a .note.gnu.property section. + void + layout_gnu_property(unsigned int note_type, + unsigned int pr_type, + size_t pr_datasz, + const unsigned char* pr_data, + const Object* object); + // Add an Output_section_data to the layout. This is used for // special sections like the GOT section. ORDER is where the // section should wind up in the output segment. IS_RELRO is true @@ -1061,6 +1069,10 @@ class Layout create_note(const char* name, int note_type, const char* section_name, size_t descsz, bool allocate, size_t* trailing_padding); + // Create a note section for gnu program properties. + void + create_gnu_properties_note(); + // Create a note section for gold version. void create_gold_note(); @@ -1347,6 +1359,14 @@ class Layout std::vector section_infos_; }; + // Program properties from .note.gnu.properties sections. + struct Gnu_property + { + size_t pr_datasz; + unsigned char* pr_data; + }; + typedef std::map Gnu_properties; + // The number of input files, for sizing tables. int number_of_input_files_; // Information set by scripts or by command line options. @@ -1473,6 +1493,8 @@ class Layout Incremental_binary* incremental_base_; // For incremental links, a list of free space within the file. Free_list free_list_; + // Program properties. + Gnu_properties gnu_properties_; }; // This task handles writing out data in output sections which is not diff --git a/gold/object.cc b/gold/object.cc index 2b58f04ce66..8c874fedc8d 100644 --- a/gold/object.cc +++ b/gold/object.cc @@ -1282,6 +1282,102 @@ Sized_relobj_file::layout_eh_frame_section( this->set_relocs_must_follow_section_writes(); } +// Layout an input .note.gnu.property section. + +// This note section has an *extremely* non-standard layout. +// The gABI spec says that ELF-64 files should have 8-byte fields and +// 8-byte alignment in the note section, but the Gnu tools generally +// use 4-byte fields and 4-byte alignment (see the comment for +// Layout::create_note). This section uses 4-byte fields (i.e., +// namesz, descsz, and type are always 4 bytes), the name field is +// padded to a multiple of 4 bytes, but the desc field is padded +// to a multiple of 4 or 8 bytes, depending on the ELF class. +// The individual properties within the desc field always use +// 4-byte pr_type and pr_datasz fields, but pr_data is padded to +// a multiple of 4 or 8 bytes, depending on the ELF class. + +template +void +Sized_relobj_file::layout_gnu_property_section( + Layout* layout, + unsigned int shndx) +{ + section_size_type contents_len; + const unsigned char* pcontents = this->section_contents(shndx, + &contents_len, + false); + const unsigned char* pcontents_end = pcontents + contents_len; + + // Loop over all the notes in this section. + while (pcontents < pcontents_end) + { + if (pcontents + 16 > pcontents_end) + { + gold_warning(_("%s: corrupt .note.gnu.property section " + "(note too short)"), + this->name().c_str()); + return; + } + + size_t namesz = elfcpp::Swap<32, big_endian>::readval(pcontents); + size_t descsz = elfcpp::Swap<32, big_endian>::readval(pcontents + 4); + unsigned int ntype = elfcpp::Swap<32, big_endian>::readval(pcontents + 8); + const unsigned char* pname = pcontents + 12; + + if (namesz != 4 || strcmp(reinterpret_cast(pname), "GNU") != 0) + { + gold_warning(_("%s: corrupt .note.gnu.property section " + "(name is not 'GNU')"), + this->name().c_str()); + return; + } + + if (ntype != elfcpp::NT_GNU_PROPERTY_TYPE_0) + { + gold_warning(_("%s: unsupported note type %d " + "in .note.gnu.property section"), + this->name().c_str(), ntype); + return; + } + + size_t aligned_namesz = align_address(namesz, 4); + const unsigned char* pdesc = pname + aligned_namesz; + + if (pdesc + descsz > pcontents + contents_len) + { + gold_warning(_("%s: corrupt .note.gnu.property section"), + this->name().c_str()); + return; + } + + const unsigned char* pprop = pdesc; + + // Loop over the program properties in this note. + while (pprop < pdesc + descsz) + { + if (pprop + 8 > pdesc + descsz) + { + gold_warning(_("%s: corrupt .note.gnu.property section"), + this->name().c_str()); + return; + } + unsigned int pr_type = elfcpp::Swap<32, big_endian>::readval(pprop); + size_t pr_datasz = elfcpp::Swap<32, big_endian>::readval(pprop + 4); + pprop += 8; + if (pprop + pr_datasz > pdesc + descsz) + { + gold_warning(_("%s: corrupt .note.gnu.property section"), + this->name().c_str()); + return; + } + layout->layout_gnu_property(ntype, pr_type, pr_datasz, pprop, this); + pprop += align_address(pr_datasz, size / 8); + } + + pcontents = pdesc + align_address(descsz, size / 8); + } +} + // Lay out the input sections. We walk through the sections and check // whether they should be included in the link. If they should, we // pass them to the Layout object, which will return an output section @@ -1538,6 +1634,14 @@ Sized_relobj_file::do_layout(Symbol_table* symtab, omit[i] = true; } + // Handle .note.gnu.property sections. + if (sh_type == elfcpp::SHT_NOTE + && strcmp(name, ".note.gnu.property") == 0) + { + this->layout_gnu_property_section(layout, i); + omit[i] = true; + } + bool discard = omit[i]; if (!discard) { diff --git a/gold/object.h b/gold/object.h index 08e5888f870..0b786a5471e 100644 --- a/gold/object.h +++ b/gold/object.h @@ -2663,6 +2663,10 @@ class Sized_relobj_file : public Sized_relobj unsigned int shndx, const typename This::Shdr&, unsigned int reloc_shndx, unsigned int reloc_type); + // Layout an input .note.gnu.property section. + void + layout_gnu_property_section(Layout* layout, unsigned int shndx); + // Write section data to the output file. Record the views and // sizes in VIEWS for use when relocating. void diff --git a/gold/target.h b/gold/target.h index da2f6bbc78c..1f8f757dbfa 100644 --- a/gold/target.h +++ b/gold/target.h @@ -509,6 +509,23 @@ class Target should_include_section(elfcpp::Elf_Word sh_type) const { return this->do_should_include_section(sh_type); } + // Merge a target-specific program property in the .note.gnu.properties + // section. + void + merge_gnu_property(int note_type, + int pr_type, + size_t new_pr_datasz, + const unsigned char* new_pr_data, + size_t old_pr_datasz, + unsigned char* old_pr_data, + const Object* object) const + { + return this->do_merge_gnu_property(note_type, pr_type, + new_pr_datasz, new_pr_data, + old_pr_datasz, old_pr_data, + object); + } + protected: // This struct holds the constant information for a child class. We // use a struct to avoid the overhead of virtual function calls for @@ -815,6 +832,13 @@ class Target do_should_include_section(elfcpp::Elf_Word) const { return true; } + // Merge a target-specific program property in the .note.gnu.properties + // section. + virtual void + do_merge_gnu_property(int, int, size_t, const unsigned char*, + size_t, unsigned char*, const Object*) const + { } + private: // The implementations of the four do_make_elf_object virtual functions are // almost identical except for their sizes and endianness. We use a template. diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am index ab3b25809a9..f439011d37d 100644 --- a/gold/testsuite/Makefile.am +++ b/gold/testsuite/Makefile.am @@ -3255,6 +3255,23 @@ exception_x86_64_bnd_2.o: exception_test_2.cc gcctestdir/as $(CXXCOMPILE) -c -Bgcctestdir/ -Wa,-madd-bnd-prefix -o $@ $< endif DEFAULT_TARGET_X86_64 +if DEFAULT_TARGET_X86_64 +check_SCRIPTS += gnu_property_test.sh +check_DATA += gnu_property_test.stdout +gnu_property_test.stdout: gnu_property_test + $(TEST_READELF) -n $< >$@ +gnu_property_test: gcctestdir/ld gnu_property_main.o gnu_property_a.o gnu_property_b.o gnu_property_c.o + $(LINK) -Bgcctestdir/ -o $@ gnu_property_main.o gnu_property_a.o gnu_property_b.o gnu_property_c.o +gnu_property_main.o: gnu_property_main.c + $(COMPILE) -c -o $@ $< +gnu_property_a.o: gnu_property_a.S + $(COMPILE) -c -o $@ $< +gnu_property_b.o: gnu_property_b.S + $(COMPILE) -c -o $@ $< +gnu_property_c.o: gnu_property_c.S + $(COMPILE) -c -o $@ $< +endif DEFAULT_TARGET_X86_64 + check_PROGRAMS += pr22266 pr22266: pr22266_main.o pr22266_ar.o gcctestdir/ld $(LINK) -Bgcctestdir/ pr22266_main.o pr22266_ar.o diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in index 14e4ce5c2c7..ee44c95ebf9 100644 --- a/gold/testsuite/Makefile.in +++ b/gold/testsuite/Makefile.in @@ -891,28 +891,30 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_test_tmp_4.o \ @DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_test_5.a \ @DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ two_file_test_6.a -@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_84 = pr22266 +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_84 = gnu_property_test.sh +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_85 = gnu_property_test.stdout +@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_86 = pr22266 # These tests work with native and cross linkers. # Test script section order. -@NATIVE_OR_CROSS_LINKER_TRUE@am__append_85 = script_test_10.sh -@NATIVE_OR_CROSS_LINKER_TRUE@am__append_86 = script_test_10.stdout -@NATIVE_OR_CROSS_LINKER_TRUE@am__append_87 = script_test_10 +@NATIVE_OR_CROSS_LINKER_TRUE@am__append_87 = script_test_10.sh +@NATIVE_OR_CROSS_LINKER_TRUE@am__append_88 = script_test_10.stdout +@NATIVE_OR_CROSS_LINKER_TRUE@am__append_89 = script_test_10 # These tests work with cross linkers only. -@DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_88 = split_i386.sh -@DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_89 = split_i386_1.stdout split_i386_2.stdout \ +@DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_90 = split_i386.sh +@DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_91 = split_i386_1.stdout split_i386_2.stdout \ @DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_i386_3.stdout split_i386_4.stdout split_i386_r.stdout -@DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_90 = split_i386_1 split_i386_2 split_i386_3 \ +@DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_92 = split_i386_1 split_i386_2 split_i386_3 \ @DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_i386_4 split_i386_r -@DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_91 = split_x86_64.sh \ +@DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_93 = split_x86_64.sh \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ bnd_plt_1.sh \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ bnd_ifunc_1.sh \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ bnd_ifunc_2.sh -@DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_92 = split_x86_64_1.stdout \ +@DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_94 = split_x86_64_1.stdout \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_x86_64_2.stdout \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_x86_64_3.stdout \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_x86_64_4.stdout \ @@ -920,14 +922,14 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ bnd_plt_1.stdout \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ bnd_ifunc_1.stdout \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ bnd_ifunc_2.stdout -@DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_93 = split_x86_64_1 split_x86_64_2 split_x86_64_3 \ +@DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_95 = split_x86_64_1 split_x86_64_2 split_x86_64_3 \ @DEFAULT_TARGET_X86_64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_x86_64_4 split_x86_64_r -@DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_94 = split_x32.sh -@DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_95 = split_x32_1.stdout split_x32_2.stdout \ +@DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_96 = split_x32.sh +@DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_97 = split_x32_1.stdout split_x32_2.stdout \ @DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_x32_3.stdout split_x32_4.stdout split_x32_r.stdout -@DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_96 = split_x32_1 split_x32_2 split_x32_3 \ +@DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_98 = split_x32_1 split_x32_2 split_x32_3 \ @DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_x32_4 split_x32_r @@ -948,7 +950,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ # Check Thumb to ARM farcall veneers # Check handling of --target1-abs, --target1-rel and --target2 options -@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_97 = arm_abs_global.sh \ +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_99 = arm_abs_global.sh \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_branch_in_range.sh \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_branch_out_of_range.sh \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_fix_v4bx.sh \ @@ -971,7 +973,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target2_got_rel.sh # The test demonstrates why the constructor of a target object should not access options. -@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_98 = arm_abs_global.stdout \ +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_100 = arm_abs_global.stdout \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_in_range.stdout \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_out_of_range.stdout \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ thumb_bl_in_range.stdout \ @@ -1024,7 +1026,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target2_abs.stdout \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target2_got_rel.stdout \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target_lazy_init -@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_99 = arm_abs_global \ +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_101 = arm_abs_global \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_in_range \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_out_of_range \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ thumb_bl_in_range \ @@ -1075,20 +1077,20 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target2_abs \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target2_got_rel \ @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target_lazy_init -@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_100 = aarch64_reloc_none.sh \ +@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_102 = aarch64_reloc_none.sh \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_relocs.sh \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ pr21430.sh \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_tlsdesc.sh -@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_101 = aarch64_reloc_none.stdout \ +@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_103 = aarch64_reloc_none.stdout \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_relocs.stdout \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ pr21430.stdout \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_tlsdesc.stdout -@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_102 = aarch64_reloc_none \ +@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_104 = aarch64_reloc_none \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_relocs \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ pr21430 \ @DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_tlsdesc -@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_103 = split_s390.sh -@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_104 = split_s390_z1.stdout split_s390_z2.stdout split_s390_z3.stdout \ +@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_105 = split_s390.sh +@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_106 = split_s390_z1.stdout split_s390_z2.stdout split_s390_z3.stdout \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_z4.stdout split_s390_n1.stdout split_s390_n2.stdout \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_a1.stdout split_s390_a2.stdout split_s390_z1_ns.stdout \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_z2_ns.stdout split_s390_z3_ns.stdout split_s390_z4_ns.stdout \ @@ -1100,7 +1102,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z4_ns.stdout split_s390x_n1_ns.stdout \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_n2_ns.stdout split_s390x_r.stdout -@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_105 = split_s390_z1 split_s390_z2 split_s390_z3 \ +@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_107 = split_s390_z1 split_s390_z2 split_s390_z3 \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_z4 split_s390_n1 split_s390_n2 split_s390_a1 \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_a2 split_s390_z1_ns split_s390_z2_ns split_s390_z3_ns \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390_z4_ns split_s390_n1_ns split_s390_n2_ns split_s390_r \ @@ -1109,10 +1111,10 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z1_ns split_s390x_z2_ns split_s390x_z3_ns \ @DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_s390x_z4_ns split_s390x_n1_ns split_s390x_n2_ns split_s390x_r -@DEFAULT_TARGET_X86_64_TRUE@am__append_106 = *.dwo *.dwp -@DEFAULT_TARGET_X86_64_TRUE@am__append_107 = dwp_test_1.sh \ +@DEFAULT_TARGET_X86_64_TRUE@am__append_108 = *.dwo *.dwp +@DEFAULT_TARGET_X86_64_TRUE@am__append_109 = dwp_test_1.sh \ @DEFAULT_TARGET_X86_64_TRUE@ dwp_test_2.sh -@DEFAULT_TARGET_X86_64_TRUE@am__append_108 = dwp_test_1.stdout \ +@DEFAULT_TARGET_X86_64_TRUE@am__append_110 = dwp_test_1.stdout \ @DEFAULT_TARGET_X86_64_TRUE@ dwp_test_2.stdout subdir = testsuite ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 @@ -2809,9 +2811,9 @@ MOSTLYCLEANFILES = *.so *.syms *.stdout *.stderr $(am__append_4) \ $(am__append_34) $(am__append_37) $(am__append_41) \ $(am__append_47) $(am__append_51) $(am__append_52) \ $(am__append_58) $(am__append_78) $(am__append_81) \ - $(am__append_83) $(am__append_87) $(am__append_90) \ - $(am__append_93) $(am__append_96) $(am__append_99) \ - $(am__append_102) $(am__append_105) $(am__append_106) + $(am__append_83) $(am__append_89) $(am__append_92) \ + $(am__append_95) $(am__append_98) $(am__append_101) \ + $(am__append_104) $(am__append_107) $(am__append_108) # We will add to these later, for each individual test. Note # that we add each test under check_SCRIPTS or check_PROGRAMS; @@ -2820,18 +2822,18 @@ check_SCRIPTS = $(am__append_2) $(am__append_19) $(am__append_23) \ $(am__append_29) $(am__append_35) $(am__append_42) \ $(am__append_45) $(am__append_49) $(am__append_53) \ $(am__append_56) $(am__append_62) $(am__append_73) \ - $(am__append_76) $(am__append_79) $(am__append_85) \ - $(am__append_88) $(am__append_91) $(am__append_94) \ - $(am__append_97) $(am__append_100) $(am__append_103) \ - $(am__append_107) + $(am__append_76) $(am__append_79) $(am__append_84) \ + $(am__append_87) $(am__append_90) $(am__append_93) \ + $(am__append_96) $(am__append_99) $(am__append_102) \ + $(am__append_105) $(am__append_109) check_DATA = $(am__append_3) $(am__append_20) $(am__append_24) \ $(am__append_30) $(am__append_36) $(am__append_43) \ $(am__append_46) $(am__append_50) $(am__append_54) \ $(am__append_57) $(am__append_63) $(am__append_74) \ - $(am__append_77) $(am__append_80) $(am__append_86) \ - $(am__append_89) $(am__append_92) $(am__append_95) \ - $(am__append_98) $(am__append_101) $(am__append_104) \ - $(am__append_108) + $(am__append_77) $(am__append_80) $(am__append_85) \ + $(am__append_88) $(am__append_91) $(am__append_94) \ + $(am__append_97) $(am__append_100) $(am__append_103) \ + $(am__append_106) $(am__append_110) BUILT_SOURCES = $(am__append_40) TESTS = $(check_SCRIPTS) $(check_PROGRAMS) @@ -6148,6 +6150,13 @@ defsym_test.sh.log: defsym_test.sh --log-file $$b.log --trs-file $$b.trs \ $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \ "$$tst" $(AM_TESTS_FD_REDIRECT) +gnu_property_test.sh.log: gnu_property_test.sh + @p='gnu_property_test.sh'; \ + b='gnu_property_test.sh'; \ + $(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \ + --log-file $$b.log --trs-file $$b.trs \ + $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \ + "$$tst" $(AM_TESTS_FD_REDIRECT) script_test_10.sh.log: script_test_10.sh @p='script_test_10.sh'; \ b='script_test_10.sh'; \ @@ -9454,6 +9463,18 @@ uninstall-am: @DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -Bgcctestdir/ -Wa,-madd-bnd-prefix -o $@ $< @DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@exception_x86_64_bnd_2.o: exception_test_2.cc gcctestdir/as @DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -Bgcctestdir/ -Wa,-madd-bnd-prefix -o $@ $< +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@gnu_property_test.stdout: gnu_property_test +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) -n $< >$@ +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@gnu_property_test: gcctestdir/ld gnu_property_main.o gnu_property_a.o gnu_property_b.o gnu_property_c.o +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(LINK) -Bgcctestdir/ -o $@ gnu_property_main.o gnu_property_a.o gnu_property_b.o gnu_property_c.o +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@gnu_property_main.o: gnu_property_main.c +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -o $@ $< +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@gnu_property_a.o: gnu_property_a.S +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -o $@ $< +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@gnu_property_b.o: gnu_property_b.S +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -o $@ $< +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@gnu_property_c.o: gnu_property_c.S +@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -o $@ $< @GCC_TRUE@@NATIVE_LINKER_TRUE@pr22266: pr22266_main.o pr22266_ar.o gcctestdir/ld @GCC_TRUE@@NATIVE_LINKER_TRUE@ $(LINK) -Bgcctestdir/ pr22266_main.o pr22266_ar.o @GCC_TRUE@@NATIVE_LINKER_TRUE@pr22266_ar.o: pr22266_a.o gcctestdir/ld diff --git a/gold/testsuite/gnu_property_a.S b/gold/testsuite/gnu_property_a.S new file mode 100644 index 00000000000..2fa073dc2f9 --- /dev/null +++ b/gold/testsuite/gnu_property_a.S @@ -0,0 +1,41 @@ +#define NT_GNU_PROPERTY_TYPE_0 5 + +#define GNU_PROPERTY_STACK_SIZE 1 +#define GNU_PROPERTY_X86_ISA_1_USED 0xc0000000 +#define GNU_PROPERTY_X86_ISA_1_NEEDED 0xc0000001 +#define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 + +#if __SIZEOF_PTRDIFF_T__ == 8 +# define ALIGN 3 +#elif __SIZEOF_PTRDIFF_T__ == 4 +# define ALIGN 2 +#endif + + .section ".note.gnu.property", "a" + .p2align ALIGN + + .long 1f - 0f /* name length */ + .long 5f - 2f /* data length */ + .long NT_GNU_PROPERTY_TYPE_0 /* note type */ +0: .asciz "GNU" /* vendor name */ +1: + .p2align ALIGN +2: .long GNU_PROPERTY_STACK_SIZE /* pr_type. */ + .long 4f - 3f /* pr_datasz. */ +3: + .dc.a 0x800 /* Stack size. */ +4: + .p2align ALIGN + .long GNU_PROPERTY_X86_ISA_1_USED + .long 4 + .byte 0x01,0x10,0x00,0x00 + .p2align ALIGN + .long GNU_PROPERTY_X86_ISA_1_NEEDED + .long 4 + .byte 0x01,0x10,0x00,0x00 + .p2align ALIGN + .long GNU_PROPERTY_X86_FEATURE_1_AND + .long 4 + .byte 0x01,0x00,0x00,0x00 + .p2align ALIGN +5: diff --git a/gold/testsuite/gnu_property_b.S b/gold/testsuite/gnu_property_b.S new file mode 100644 index 00000000000..0c0c038ead1 --- /dev/null +++ b/gold/testsuite/gnu_property_b.S @@ -0,0 +1,38 @@ +#define NT_GNU_PROPERTY_TYPE_0 5 + +#define GNU_PROPERTY_STACK_SIZE 1 +#define GNU_PROPERTY_NO_COPY_ON_PROTECTED 2 +#define GNU_PROPERTY_X86_ISA_1_USED 0xc0000000 +#define GNU_PROPERTY_X86_ISA_1_NEEDED 0xc0000001 +#define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 + +#if __SIZEOF_PTRDIFF_T__ == 8 +# define ALIGN 3 +#elif __SIZEOF_PTRDIFF_T__ == 4 +# define ALIGN 2 +#endif + + .section ".note.gnu.property", "a" + .p2align ALIGN + .long 1f - 0f /* name length */ + .long 3f - 2f /* data length */ + .long NT_GNU_PROPERTY_TYPE_0 /* note type */ +0: .asciz "GNU" /* vendor name */ +1: + .p2align ALIGN +2: .long GNU_PROPERTY_NO_COPY_ON_PROTECTED /* pr_type. */ + .long 0 /* pr_datasz. */ + .p2align ALIGN + .long GNU_PROPERTY_X86_ISA_1_USED + .long 4 + .byte 0x01,0x11,0x00,0x00 + .p2align ALIGN + .long GNU_PROPERTY_X86_ISA_1_NEEDED + .long 4 + .byte 0x01,0x11,0x00,0x00 + .p2align ALIGN + .long GNU_PROPERTY_X86_FEATURE_1_AND + .long 4 + .byte 0x03,0x00,0x00,0x00 + .p2align ALIGN +3: diff --git a/gold/testsuite/gnu_property_c.S b/gold/testsuite/gnu_property_c.S new file mode 100644 index 00000000000..ace159a9a9d --- /dev/null +++ b/gold/testsuite/gnu_property_c.S @@ -0,0 +1,44 @@ +#define NT_GNU_PROPERTY_TYPE_0 5 + +#define GNU_PROPERTY_STACK_SIZE 1 +#define GNU_PROPERTY_NO_COPY_ON_PROTECTED 2 +#define GNU_PROPERTY_X86_ISA_1_USED 0xc0000000 +#define GNU_PROPERTY_X86_ISA_1_NEEDED 0xc0000001 +#define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 + +#if __SIZEOF_PTRDIFF_T__ == 8 +# define ALIGN 3 +#elif __SIZEOF_PTRDIFF_T__ == 4 +# define ALIGN 2 +#endif + + .section ".note.gnu.property", "a" + .p2align ALIGN + .long 1f - 0f /* name length */ + .long 5f - 2f /* data length */ + .long NT_GNU_PROPERTY_TYPE_0 /* note type */ +0: .asciz "GNU" /* vendor name */ +1: + .p2align ALIGN +2: .long GNU_PROPERTY_STACK_SIZE /* pr_type. */ + .long 4f - 3f /* pr_datasz. */ +3: + .dc.a 0x111100 /* Stack size. */ +4: + .p2align ALIGN + .long GNU_PROPERTY_NO_COPY_ON_PROTECTED /* pr_type. */ + .long 0 /* pr_datasz. */ + .p2align ALIGN + .long GNU_PROPERTY_X86_ISA_1_USED + .long 4 + .byte 0x11,0x10,0x00,0x00 + .p2align ALIGN + .long GNU_PROPERTY_X86_ISA_1_NEEDED + .long 4 + .byte 0x11,0x10,0x00,0x00 + .p2align ALIGN + .long GNU_PROPERTY_X86_FEATURE_1_AND + .long 4 + .byte 0x01,0x00,0x00,0x00 + .p2align ALIGN +5: diff --git a/gold/testsuite/gnu_property_main.c b/gold/testsuite/gnu_property_main.c new file mode 100644 index 00000000000..77bc677e8eb --- /dev/null +++ b/gold/testsuite/gnu_property_main.c @@ -0,0 +1,5 @@ +int +main(void) +{ + return 0; +} diff --git a/gold/testsuite/gnu_property_test.sh b/gold/testsuite/gnu_property_test.sh new file mode 100755 index 00000000000..9a188edda4e --- /dev/null +++ b/gold/testsuite/gnu_property_test.sh @@ -0,0 +1,64 @@ +#!/bin/sh + +# gnu_property_test.sh -- test .note.gnu.property section. + +# Copyright (C) 2018 Free Software Foundation, Inc. +# Written by Cary Coutant . + +# 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 script checks that after linking the three object files +# gnu_property_[abc].S, each of which contains a .note.gnu.property +# section, the resulting output has only a single such note section, +# and that the properties have been correctly combined. + +check() +{ + if ! grep -q "$2" "$1" + then + echo "Did not find expected output in $1:" + echo " $2" + echo "" + echo "Actual output below:" + cat "$1" + exit 1 + fi +} + +check_count() +{ + if test "`grep -c "$2" "$1"`" != "$3" + then + echo "Did not find correct number of note sections in $1:" + echo " $2" + echo "" + echo "Actual output below:" + cat "$1" + exit 1 + fi +} + +check_count gnu_property_test.stdout "GNU\s*0x[0-9a-f]*\s*NT_GNU_PROPERTY_TYPE_0" 1 + +check gnu_property_test.stdout "stack size: 0x111100" +check gnu_property_test.stdout "no copy on protected" +check gnu_property_test.stdout "x86 ISA used: i486, SSE2, SSE4_2, AVX512CD" +check gnu_property_test.stdout "x86 ISA needed: i486, SSE2, SSE4_2, AVX512CD" +check gnu_property_test.stdout "x86 feature: IBT" + +exit 0 diff --git a/gold/x86_64.cc b/gold/x86_64.cc index 603ac300f72..e6fa47ea8f9 100644 --- a/gold/x86_64.cc +++ b/gold/x86_64.cc @@ -1188,6 +1188,12 @@ class Target_x86_64 : public Sized_target this->rela_dyn_section(layout)); } + // Merge a target-specific program property in the .note.gnu.properties + // section. + void + do_merge_gnu_property(int, int, size_t, const unsigned char*, + size_t, unsigned char*, const Object*) const; + // Information about this specific target which we pass to the // general Target structure. static const Target::Target_info x86_64_info; @@ -1433,6 +1439,39 @@ Target_x86_64::rela_irelative_section(Layout* layout) return this->rela_irelative_; } +// Merge a target-specific program property in the .note.gnu.properties +// section. +template +void +Target_x86_64::do_merge_gnu_property( + int, int pr_type, + size_t new_pr_datasz, const unsigned char* new_pr_data, + size_t old_pr_datasz, unsigned char* old_pr_data, + const Object*) const +{ + size_t min_datasz = (new_pr_datasz > old_pr_datasz + ? old_pr_datasz + : new_pr_datasz); + switch (pr_type) + { + case elfcpp::GNU_PROPERTY_X86_ISA_1_USED: + case elfcpp::GNU_PROPERTY_X86_ISA_1_NEEDED: + { + for (size_t i = 0; i < min_datasz; ++i) + old_pr_data[i] |= new_pr_data[i]; + } + break; + case elfcpp::GNU_PROPERTY_X86_FEATURE_1_AND: + { + for (size_t i = 0; i < min_datasz; ++i) + old_pr_data[i] &= new_pr_data[i]; + } + break; + default: + break; + } +} + // Write the first three reserved words of the .got.plt section. // The remainder of the section is written while writing the PLT // in Output_data_plt_i386::do_write. -- 2.30.2