+2018-06-22 Cary Coutant <ccoutant@gmail.com>
+
+ 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 <amodra@gmail.com>
* powerpc.h (R_POWERPC_PLTSEQ, R_POWERPC_PLTCALL): Define.
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.
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.
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)
+2018-06-22 Cary Coutant <ccoutant@gmail.com>
+
+ 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 <ccoutant@gmail.com>
* resolve.cc (Symbol_table::resolve): Rename tobinding to
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.
}
}
+// 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<uint32_t>(value));
+ else
+ elfcpp::Swap<32, false>::writeval(buf, static_cast<uint32_t>(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();
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.
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
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();
std::vector<Section_info> section_infos_;
};
+ // Program properties from .note.gnu.properties sections.
+ struct Gnu_property
+ {
+ size_t pr_datasz;
+ unsigned char* pr_data;
+ };
+ typedef std::map<unsigned int, Gnu_property> Gnu_properties;
+
// The number of input files, for sizing tables.
int number_of_input_files_;
// Information set by scripts or by command line options.
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
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<int size, bool big_endian>
+void
+Sized_relobj_file<size, big_endian>::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<const char*>(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
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)
{
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
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
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.
$(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
@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 \
@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
# 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 \
@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 \
@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 \
@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 \
@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 \
@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
$(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;
$(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)
--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'; \
@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
--- /dev/null
+#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:
--- /dev/null
+#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:
--- /dev/null
+#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:
--- /dev/null
+int
+main(void)
+{
+ return 0;
+}
--- /dev/null
+#!/bin/sh
+
+# gnu_property_test.sh -- test .note.gnu.property section.
+
+# Copyright (C) 2018 Free Software Foundation, Inc.
+# Written by Cary Coutant <ccoutant@gmail.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.
+
+# 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
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;
return this->rela_irelative_;
}
+// Merge a target-specific program property in the .note.gnu.properties
+// section.
+template<int size>
+void
+Target_x86_64<size>::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.
projects / binutils-gdb.git / commitdiff