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2024-06-20Revert "Remove LIBINTL_DEP"Alan Modra1-1/+2
This reverts commit e874cbd3879843a83e4bcc4b54cd7107387b1df6. The patch was wrong. LIBINTL_DEP is needed with an in-tree gettext.
2024-06-20Remove LIBINTL_DEPAlan Modra1-2/+1
The intl directory in the source no longer exists. LIBINTL_DEP is thus always empty. Remove references to it. config/ * gettext-sister.m4: Don't AC_SUBST LIBINTL_DEP. bfd/ * Makefile.in: Regenerate. * configure: Regenerate. binutils/ * Makefile.am (*_DEPENDENCIES): Remove LIBINTL_DEP. * Makefile.in: Regenerate. * configure: Regenerate. gas/ * Makefile.am (as_new_DEPENDENCIES): Remove LIBINTL_DEP. * Makefile.in: Regenerate. * configure: Regenerate. gdb/ * Makefile.in (INTL_DEPS): Don't set or reference. * configure: Regenerate. gdbserver/ * Makefile.in (INTL_DEPS): Don't set or reference. gdbsupport/ * Makefile.in: Regenerate. * configure: Regenerate. gold/ * Makefile.am (deps_var): Remove LIBINTL_DEP. (incremental_dump_DEPENDENCIES, dwp_DEPENDENCIES): Likewise. * Makefile.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.am (DEPENDENCIES): Remove LIBINTL_DEP. * testsuite/Makefile.in: Regenerate. gprof/ * Makefile.am (gprof_DEPENDENCIES): Remove LIBINTL_DEP. * Makefile.in: Regenerate. * configure: Regenerate. ld/ * Makefile.am (ld_new_DEPENDENCIES): Remove LIBINTL_DEP. * Makefile.in: Regenerate. * configure: Regenerate. libctf/ * Makefile.in: Regenerate. * configure: Regenerate. opcodes/ * configure.ac (BUILD_LIBS): Remove LIBINTL. (BUILD_LIB_DEPS): Remove LIBINTL_DEP. * Makefile.in: Regenerate. * configure: Regenerate.
2024-06-08gold: Properly remove the versioned symbolH.J. Lu1-0/+36
When the versioned symbol foo is removed from the shared library, the ".symver foo,foo@VER" directive provides binary compatibility for foo@VER. In this case, the unversioned symbol foo should be hidden and shouldn't generate a multiple definition error. PR gold/31830 * resolve.cc (Symbol_table::resolve): Move symbol version handling to ... * symtab.cc (Symbol_table::add_from_object): Here. If the hidden version from .symver is the same as the default version from the unversioned symbol, don't make the unversioned symbol the default versioned symbol. * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_pr31830.sh. (check_DATA): ver_test_pr31830_a.syms and ver_test_pr31830_b.syms. (ver_test_pr31830_a.syms): New. (ver_test_pr31830_b.syms): Likewise. (ver_test_pr31830_a.so): Likewise. (ver_test_pr31830_b.so): Likewise. * testsuite/Makefile.in: Regenerated. * testsuite/ver_test_pr31830.script: New file. * testsuite/ver_test_pr31830.sh: Likewise. * testsuite/ver_test_pr31830_a.c: Likewise. * testsuite/ver_test_pr31830_b.c: Likewise. * testsuite/ver_test_pr31830_lto.c: Likewise. * testsuite/ver_test_pr31830_lto.sh: Likewise. Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
2024-01-05Enforce C++11 as a minimum for building gold [PR30867]Tamar Christina1-1/+4
The attempt in 5e9091dab885 to correct gold for modern LLVM has broken gold for older compilers. This commit introduced C++11 types without changing the build system to require a C++ compiler. More importantly it depends on the compiler having at least C++11 as the default language. Older compilers which support C++11 but not as the default language needlessly break. Fix that. PR gold/30867 * configure.ac (AX_CXX_COMPILE_STDCXX): Require C++11. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate.
2023-12-28Gold: Handle R_X86_64_CODE_4_GOTPC32_TLSDESC/R_X86_64_CODE_4_GOTTPOFFH.J. Lu1-0/+17
Handle R_X86_64_CODE_4_GOTTPOFF and R_X86_64_CODE_4_GOTPC32_TLSDESC. Convert add name@gottpoff(%rip), %reg mov name@gottpoff(%rip), %reg to add $name@tpoff, %reg mov $name@tpoff, %reg and lea name@tlsdesc(%rip), %reg to mov $name@tpoff, %reg mov name@gottpoff(%rip), %reg if the instruction is encoded with the REX2 prefix when possible. elfcpp/ * x86_64.h (R_X86_64_CODE_4_GOTTPOFF): New. (R_X86_64_CODE_4_GOTPC32_TLSDESC): Likewise. gold/ * x86_64.cc (Target_x86_64::optimize_tls_reloc): Handle R_X86_64_CODE_4_GOTPC32_TLSDESC and R_X86_64_CODE_4_GOTTPOFF. (Target_x86_64::Scan::get_reference_flags): Likewise. (Target_x86_64::Scan::local): Likewise. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::Relocate::relocate): Likewise. (Target_x86_64::Relocate::relocate_tls): Likewise. (Target_x86_64::Relocate::tls_desc_gd_to_ie): Handle R_X86_64_CODE_4_GOTPC32_TLSDESC. (Target_x86_64::Relocate::tls_desc_gd_to_le): Likewise. (Target_x86_64::Relocate::tls_ie_to_le): Handle. R_X86_64_CODE_4_GOTTPOFF. * testsuite/Makefile.am: Add x86_64_ie_to_le test. * testsuite/Makefile.in: Regenerated. * testsuite/x86_64_gd_to_le.s: Add R_X86_64_CODE_4_GOTPC32_TLSDESC test. * testsuite/x86_64_gd_to_le.sh: Check GDesc to LE conversion. * testsuite/x86_64_ie_to_le.s: New file. * testsuite/x86_64_ie_to_le.sh: Likewise.
2023-11-15Finalized intl-update patchesArsen Arsenovi?1-0/+11
* intl: Remove directory. Replaced with out-of-tree GNU gettext. * .gitignore: Add '/gettext*'. * configure.ac (host_libs): Replace intl with gettext. (hbaseargs, bbaseargs, baseargs): Split baseargs into {h,b}baseargs. (skip_barg): New flag. Skips appending current flag to bbaseargs. <library exemptions>: Exempt --with-libintl-{type,prefix} from target and build machine argument passing. * configure: Regenerate. * Makefile.def (host_modules): Replace intl module with gettext module. (configure-ld): Depend on configure-gettext. * Makefile.in: Regenerate. * src-release.sh: Remove references to the intl/ directory.
2022-12-15Re: ld, gold: remove support for -z bndplt (MPX prefix)Alan Modra1-118/+44
Don't attempt to run gold tests with -z bndplt * testsuite/Makefile.am (exception_x86_64_bnd_test, bnd_plt_1.sh), (bnd_ifunc_1.sh, bnd_ifunc_2.sh): Delete rules. * testsuite/Makefile.in: Regenerate. * testsuite/bnd_ifunc_1.s: Delete. * testsuite/bnd_ifunc_1.sh: Delete. * testsuite/bnd_ifunc_2.s: Delete. * testsuite/bnd_ifunc_2.sh: Delete. * testsuite/bnd_plt_1.s: Delete. * testsuite/bnd_plt_1.sh: Delete.
2022-11-10gold: add --compress-debug-sections=zstd [PR 29641]Fangrui Song1-154/+185
This option compresses output debug sections with zstd and sets ch_type to ELFCOMPRESS_ZSTD. Latest gdb and lldb support ELFCOMPRESS_ZSTD. There will be an error if zstd is not enabled at configure time. error: --compress-debug-sections=zstd: gold is not built with zstd support
2022-11-10gold, dwp: support zstd compressed input debug sections [PR 29641]Fangrui Song1-60/+86
This feature is enabled if config/zstd.m4 uses zstd.
2022-09-28egrep in binutilsAlan Modra1-1/+1
Apparently some distros have a nagging egrep that helpfully tells you egrep is deprecated and to use "grep -E". The nag message causes a ld testsuite failure. What's more the advice isn't that good. The "-E" flag may not be available with older versions of grep. This patch fixes bare invocation of egrep within binutils, replacing it with the autoconf $EGREP or with grep. config/ * lib-ld.m4 (AC_LIB_PROG_LD_GNU): Require AC_PROG_EGREP and invoke $EGREP. (AC_LIB_PROG_LD): Likewise. binutils/ * configure: Regenerate. * embedspu.sh: Replace egrep with grep. gold/ * testsuite/Makefile.am (flagstest_compress_debug_sections.check): Replace egrep with grep. * testsuite/Makefile.in: Regenerate. * testsuite/bnd_ifunc_1.sh: Replace egrep with $EGREP. * testsuite/bnd_ifunc_2.sh: Likewise. * testsuite/bnd_plt_1.sh: Likewise. * testsuite/discard_locals_test.sh: Likewise. * testsuite/gnu_property_test.sh: Likewise. * testsuite/no_version_test.sh: Likewise. * testsuite/pr18689.sh: Likewise. * testsuite/pr26936.sh: Likewise. * testsuite/retain.sh: Likewise. * testsuite/split_i386.sh: Likewise. * testsuite/split_s390.sh: Likewise. * testsuite/split_x32.sh: Likewise. * testsuite/split_x86_64.sh: Likewise. * testsuite/ver_test_pr16504.sh: Likewise. intl/ * configure: Regenerate. ld/ * testsuite/ld-elfvers/vers.exp (test_ar): Replace egrep with grep.
2022-08-04Add gold support for --package-metadata option.Luca Boccassi1-12/+40
Following the same format as the implementation in ld: 9e2bb0cb5e74aed4158f08495534922d7108f928 Generate a .note.package FDO package metadata ELF note, following the spec: https://systemd.io/ELF_PACKAGE_METADATA/ If the jansson library is available at build time (and it is explicitly enabled), link ld to it, and use it to validate that the input is correct JSON, to avoid writing garbage to the file. The configure option --enable-jansson has to be used to explicitly enable it (error out when not found). This allows bootstrappers (or others who are not interested) to seamlessly skip it without issues. elfcpp/ * elfcpp.h: Add FDO_PACKAGING_METADATA note type. gold/ * Makefile.am: Add jansson flags and libraries. * configure.ac: Check for jansson library. * layout.cc (Layout::create_notes): Call create_package_metadata(). (Layout::create_package_metadata): New function. * layout.h (Layout::create_package_metadata): New function. (Layout::package_metadata_note_): New data member. * options.h (class General_options): Add --package-metadata option. * testsuite/Makefile.am (object_unittest): Add jansson libraries. (binary_unittest): Likewise. (leb128_unittest): Likewise. (overflow_unittest): Likewise. (package_metadata_test): New test. * testsuite/package_metadata_main.c: New test source.
2022-01-23Regenerate Makefile.in files with automake 1.15.1H.J. Lu1-1/+0
Regenerate Makefile.in files with the unmodified automake 1.15.1 to remove runstatedir = @runstatedir@ bfd/ * Makefile.in: Regenerate. binutils/ * Makefile.in: Regenerate. gas/ * Makefile.in: Regenerate. gold/ * Makefile.in: Regenerate. * testsuite/Makefile.in: Likewise. gprof/ * Makefile.in: Regenerate. ld/ * Makefile.in: Regenerate. opcodes/ * Makefile.in: Regenerate.
2022-01-22Change version number to 2.38.50 and regenerate filesNick Clifton1-0/+1
2020-12-14Keep input SHF_GNU_RETAIN sections and strip output SHF_GNU_RETAIN for ↵Cary Coutant1-3/+23
GNU/FreBSD ELFOSABIs. 2020-12-14 H.J. Lu <hjl.tools@gmail.com> Cary Coutant <ccoutant@gmail.com> elfcpp/ PR gold/27039 * elfcpp.h (SHF): Add SHF_GNU_RETAIN. gold/ PR gold/27039 * layout.cc (Layout::layout): Strip SHF_GNU_RETAIN. * object.cc (Sized_relobj_file::Sized_relobj_file): Initialize osabi_. (Sized_relobj_file::do_layout): Keep SHF_GNU_RETAIN sections for GNU/FreBSD ELFOSABIs. * object.h (Osabi) New class. (Sized_relobj_file): Add osabi() and osabi_. * testsuite/Makefile.am (check_SCRIPTS): Add retain.sh. (check_DATA): Add retain_1.out retain_2.out. (MOSTLYCLEANFILES): Add retain_1 retain_2. (retain_1.out): New target. (retain_1): Likewise. (retain_1.o): Likewise. (retain_2.out): Likewise. (retain_2): Likewise. (retain_2.o): Likewise. * testsuite/Makefile.in: Regenerate. * testsuite/retain.sh: New file. * testsuite/retain_1.s: Likewise. * testsuite/retain_2.s: Likewise.
2020-12-13Re-enable incremental tests that were failing with GCC 9+.Cary Coutant1-51/+50
gold/ PR gold/23539 PR gold/24123 * testsuite/Makefile.am (incremental_copy_test): Re-enable for GCC 9+. (incremental_comdat_test_1): Likewise. * testsuite/Makefile.in: Regenerate.
2020-12-03[GOLD] PR26936 testAlan Modra1-4/+4
Fails if you configure with --disable-x86-used-note. Fix that. * testsuite/Makefile.am (pr26936a.o): Pass -mx86-used-note=yes. (pr26936b.o, pr26936c.o, pr26936d.o): Likewise. * testsuite/Makefile.in: Regenerate.
2020-11-29gold: Convert x86-64 GOTPCRELX only if addend == -4H.J. Lu1-0/+16
Convert x86-64 GOTPCRELX relocations only if addend == -4. PR gold/26939 * x86_64.cc (Target_x86_64<size>::Scan::local): Check get_r_addend() == -4 for GOTPCRELX conversion. (Target_x86_64<size>::Scan::global): Likewise. (Target_x86_64<size>::Relocate::relocate): Likewise. * testsuite/Makefile.am (check_DATA): Add x86_64_mov_to_lea15.stdout and x86_64_mov_to_lea16.stdout. (MOSTLYCLEANFILES): Add x86_64_mov_to_lea15 and x86_64_mov_to_lea16. (x86_64_mov_to_lea9.o): New target. (x86_64_mov_to_lea10.o): Likewise. (x86_64_mov_to_lea15): Likewise. (x86_64_mov_to_lea16): Likewise. (x86_64_mov_to_lea15.stdout): Likewise. (x86_64_mov_to_lea16.stdout): Likewise. * testsuite/Makefile.in: Regenerated. * testsuite/x86_64_mov_to_lea.sh: Updated. * testsuite/x86_64_mov_to_lea5.s: New file.
2020-11-29gold: Get linkonce/comdate sections for debugging sectionsH.J. Lu1-3/+30
When relocating debug sections, get the section index for the linkonce section. Since symbols referenced in debugging sections can be defined a single comdat section with a different section name, also check the single comdat section. PR gold/26937 * object.cc (Sized_relobj_file::map_to_kept_section): Get the section index for linkonce section. Also check the single comdat section. * testsuite/Makefile.am (check_SCRIPTS): Add pr26936.sh. (check_DATA): Add pr26936a.stdout and pr26936b.stdout. (MOSTLYCLEANFILES): Add pr26936a and pr26936b. (pr26936a.stdout): New target. (pr26936a): Likewise. (pr26936b.stdout): Likewise. (pr26936b): Likewise. (pr26936a.o): Likewise. (pr26936b.o): Likewise. (pr26936c.o): Likewise. (pr26936d.o): Likewise. * testsuite/Makefile.in: Regenerated. * testsuite/pr26936.sh: New file. * testsuite/pr26936a.s: Likewise. * testsuite/pr26936b.s: Likewise. * testsuite/pr26936c.s: Likewise. * testsuite/pr26936d.s: Likewise.
2020-11-03gold: ensure file_counts_lock is initialized before usingNick Gasson1-188/+218
Since upgrading to binutils 2.35 I've been experiencing random memory corruption related crashes with ld.gold --threads. It's caused by multiple threads concurrently pushing elements onto the shared std::vector in File_read::record_file_read(). This vector is supposed to be protected by file_counts_lock, but that is initialized lazily and might be NULL when File_read::open() is called, in which case Hold_optional_lock silently skips locking it. Fix by calling the initialize() method before attempting to acquire the lock, the same as other places that use file_counts_lock. PR 26827 * fileread.cc (File_read::open): Ensure file_counts_lock is initialized. * testsuite/Makefile.am (check_PROGRAMS): Add a test that passes -Wl,--threads. * testsuite/Makefile.in: Regenerate.
2020-10-13gold: Skip some incremental testsH.J. Lu1-63/+65
Skip incremental_test_2, incremental_test_3, incremental_test_4, incremental_test_5, incremental_copy_test, incremental_common_test_1 and incremental_comdat_test_1 when -fcf-protection is used to compile gold since gold doesn't properly support -fcf-protection on Intel CET enabled OS. Also skip incremental_copy_test and incremental_comdat_test_1 for GCC 9 or later since they failed with GCC 9 or later. PR gold/23539 * configure.ac: Check for GCC 9 or later and for -fcf-protection. * configure: Regenerated. * testsuite/Makefile.am (check_PROGRAMS): Skip incremental_test_2, incremental_test_3, incremental_test_4, incremental_test_5, incremental_copy_test, incremental_common_test_1 and incremental_comdat_test_1 for -fcf-protection. Also Skip incremental_copy_test and incremental_comdat_test_1 for GCC 9 or later. * testsuite/Makefile.in: Regenerated.
2020-10-13gold: Discard .note.gnu.property sectionH.J. Lu1-1/+1
Discard .note.gnu.property section since it changes the expected section order. PR gold/23503 * testsuite/Makefile.am (justsyms_lib): Pass -T $(srcdir)/justsyms_lib.t to gold. * testsuite/Makefile.in: Regenerated. * testsuite/justsyms_lib.t: New file. * testsuite/script_test_10.t: Discard .note.gnu.property section.
2020-10-13gold: Properly align the NT_GNU_PROPERTY_TYPE_0 noteH.J. Lu1-2/+2
The NT_GNU_PROPERTY_TYPE_0 note should be aligned to 8 bytes for 64-bit ELF as specified by gABI. A note section can be only placed in a PT_NOTE segment with the same alignment. PR gold/22914 PR gold/23535 * layout.cc (Layout::attach_allocated_section_to_segment): Place a note section in a PT_NOTE segment with the same alignment. Set the alignment of the PT_NOTE segment from the alignment of the note section. (Layout::create_note): Align the NT_GNU_PROPERTY_TYPE_0 note to 8 bytes for 64-bit ELF. (Layout::segment_precedes): Place segments with larger alignments first. * output.cc (Output_segment::Output_segment): Initialize align_. * output.h (Output_segment): Add align, set_align and align_. * testsuite/Makefile.am (gnu_property_test.stdout): Pass -lhSWn to $(TEST_READELF). (gnu_property_test): Pass --build-id to ld. * testsuite/Makefile.in: Regenerated. * testsuite/gnu_property_test.sh (check_alignment): New. Use check_alignment to check the NT_GNU_PROPERTY_TYPE_0 note alignment. Verify that there are 2 PT_NOTE segments.
2020-07-03Re: Change readelf's display of symbol namesAlan Modra1-1/+1
Fixes some fallout from git commit 0942c7ab94e5. PR 26028 gas/ * testsuite/gas/ia64/unwind-ilp32.d: Add -T to readelf options. gold/ * testsuite/Makefile.am (file_in_many_sections.stdout): Add -W to readelf options. * testsuite/Makefile.in: Regenerate. ld/ * testsuite/ld-arm/arm-elf.exp (vxworks1): Pass --wide to readelf when dumping relocs. * testsuite/ld-i386/i386.exp (vxworks1): Likewise. * testsuite/ld-sh/sh-vxworks.exp (vxworks1): Likewise. * testsuite/ld-sparc/sparc.exp (vxworks1): Likewise. * testsuite/ld-arm/vxworks1.rd: Adjust to suit. * testsuite/ld-i386/vxworks1.rd: Adjust. * testsuite/ld-sh/vxworks1.rd: Adjust. * testsuite/ld-sparc/vxworks1.rd: Adjust.
2020-06-16Use CXXCOMPILE in gold/testsuite/Makefile for c++ testcasesAlan Modra1-3/+3
I was playing with passing -std=c99 to an older version of gcc by using CC="gcc-4 -std=c99", and ran into cc1plus: error: command line option ‘-std=c99’ is valid for C/ObjC but not for C++ [-Werror] This obvious fix uses the correct compiler for a number of gold testcases. * testsuite/Makefile.am (export_dynamic_plugin.o): Use CXXCOMPILE. (plugin_test_wrap_symbols_1.o): Likewise. (plugin_test_wrap_symbols_2.o): Likewise. * testsuite/Makefile.in: Regenerate.
2020-05-02gold: Compile common tests with -fcommonH.J. Lu1-2/+21
Since GCC 10 defaults to -fno-common, add -fcommon to common tests to force common behavior. PR gold/25904 * testsuite/Makefile.am (COMMON_TEST_C_CFLAGS): New. (common_test_1.o): New rule. (common_test_2.o): Likewise. (common_test_3.o): Likewise. (plugin_common_test_1.o): Likewise. (plugin_common_test_2.o): Likewise. (common_test_1_v1.o): Likewise. (common_test_1_v2.o): Likewise. (common_test_2_pic.o): Compile with $(COMMON_TEST_C_CFLAGS). (common_test_3_pic.o): Likewise. * testsuite/Makefile.in: Regenerated.
2020-05-01gold: x86-64: Fix TLSDESC relaxation for x32H.J. Lu1-3/+3
X32 TLSDESC sequences can be: 40 8d 05 00 00 00 00 rex lea foo@TLSDESC(%rip), %reg ... 67 ff 10 call *foo@TLSCALL(%eax) or the same sequence as LP64: 48 8d 05 00 00 00 00 lea foo@TLSDESC(%rip), %reg ... ff 10 call *foo@TLSCALL(%rax) We need to support both sequences for x32. For both GDesc -> IE/LE transitions, 67 ff 10 call *foo@TLSCALL(%eax) should relaxed to 0f 1f 00 nopl (%rax) For GDesc -> LE transition, 40 8d 05 00 00 00 00 rex lea foo@TLSDESC(%rip), %reg should relaxed to 40 c7 c0 fc ff ff ff rex movl $foo@tpoff, %reg For GDesc -> IE transition, 40 8d 05 00 00 00 00 rex lea foo@TLSDESC(%rip), %reg should relaxed to 40 8b 05 00 00 00 00 rex movl foo@gottpoff(%rip), %eax PR gold/25426 * x86_64.cc (Target_x86_64<size>::Relocate::tls_desc_gd_to_ie): For x32, relax "rex leal foo@tlsdesc(%rip), %reg" to "rex movl foo@gottpoff(%rip), %eax" and relax ""call *(%eax)" to "nopl (%rax)". (Target_x86_64<size>::Relocate::tls_desc_gd_to_le): For x32, relax "rex leal foo@tlsdesc(%rip), %reg" to "rex movl foo@tpoff, %eax" and relax "call *foo@tlscall(%eax)" to "nopl (%rax)". * testsuite/Makefile.am (tls_test_gnu2.o): Depend on gcctestdir/as. (tls_test_file2_gnu2.o): Likewise. (tls_test_c_gnu2.o): Likewise. * testsuite/Makefile.in: Regenerated.
2020-05-01gold: x86-64: Fix TLSDESC -> LE relaxationH.J. Lu1-0/+17
X86-64 TLSDESC sequences can be: 4c 8d 0d 00 00 00 00 leaq foo@TLSDESC(%rip), %r9 4c 89 c8 movq %r9, %rax ff 10 call *foo@TLSCALL(%rax) TLSDESC -> LE relaxation can turn them into: 49 c7 c1 fc ff ff ff mov $0xfffffffffffffffc,%r9 4c 89 c8 mov %r9,%rax 66 90 xchg %ax,%ax We need to check and update the REX byte in this case. PR gold/25473 * x86_64.cc (Target_x86_64<size>::Relocate::tls_desc_gd_to_ie): Properly check r8 - r15 in "lea foo@TLSDESC(%rip), %reg". (Target_x86_64<size>::Relocate::tls_desc_gd_to_le): Properly relax r8 - r15 in "lea foo@TLSDESC(%rip), %reg". * testsuite/Makefile.am (check_SCRIPTS): Add x86_64_gd_to_le.sh. (check_DATA): Add x86_64_gd_to_le.stdout. (MOSTLYCLEANFILES): Add x86_64_gd_to_le. (x86_64_gd_to_le.o): New target. (x86_64_gd_to_le): Likewise. (x86_64_gd_to_le.stdout): Likewise. * testsuite/Makefile.in: Regenerated. * testsuite/x86_64_gd_to_le.s: New file. * testsuite/x86_64_gd_to_le.sh: Likewise.
2019-09-18Re-generate many configure and Makefile.in filesSimon Marchi1-1/+0
I get some spurious changes when running autoconf/automake for various projects in the tree. This is likely because they were generated using distro-patched tools last time. I ran `autoreconf -f` in the various automake projects of the binutils-gdb tree, and this is the result. The tools I am using have been compiled from source, from the upstream release. bfd/ChangeLog: * Makefile.in: Re-generate. * configure: Re-generate. * doc/Makefile.in: Re-generate. binutils/ChangeLog: * Makefile.in: Re-generate. * configure: Re-generate. * doc/Makefile.in: Re-generate. gas/ChangeLog: * Makefile.in: Re-generate. * configure: Re-generate. * doc/Makefile.in: Re-generate. gold/ChangeLog: * testsuite/Makefile.in: Re-generate. gprof/ChangeLog: * Makefile.in: Re-generate. * configure: Re-generate. ld/ChangeLog: * Makefile.in: Re-generate. * configure: Re-generate. opcodes/ChangeLog: * Makefile.in: Re-generate. * configure: Re-generate.
2019-05-11Fix problem with ICF where diffs in EH frame info is ignored.Joshua Oreman1-1/+18
PR gold/21066 * gc.h (gc_process_relocs): Track relocations in .eh_frame sections when ICF is enabled, even though the .eh_frame sections themselves are not foldable. * icf.cc (get_section_contents): Change arguments to permit operation on just part of a section. Include extra identity regions in the referring section's contents recursively. (match_sections): Lock object here instead of in get_section_contents so that get_section_contents can operate recursively. (Icf::add_ehframe_links): New method. (Icf::find_identical_sections): Pass .eh_frame sections to add_ehframe_links(). Increase default iteration count from 2 to 3 because handling exception info typically requires one extra iteration. * icf.h (Icf::extra_identity_list_): New data member with accessor. (is_section_foldable_candidate): Include .gcc_except_table sections. * options.h: Update documentation for new default ICF iteration count. * testsuite/Makefile.am (icf_test_pr21066): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/icf_test_pr21066.cc: New source file. * testsuite/icf_test_pr21066.sh: New test script.
2019-02-19Check whether symbols with MOVW_.ABS relocations require PLT entries (aarch64).Egeyar Bagcioglu1-44/+77
2019-02-19 Egeyar Bagcioglu <egeyar.bagcioglu@oracle.com> gold/ PR gold/23870 * aarch64.cc (Target_aarch64::Scan::global): Check if a symbol with R_AARCH64_MOVW_.ABS_* relocations requires a PLT entry. * testsuite/Makefile.am: Add aarch64_pr23870 test case. * testsuite/Makefile.in: Regenerate. * testsuite/aarch64_pr23870_bar.c: New file. * testsuite/aarch64_pr23870_foo.c: New file. * testsuite/aarch64_pr23870_main.S: New file.
2018-12-18[GOLD] Tweak keep_text_section_prefix test for PowerPC64 ELFv1Alan Modra1-1/+1
This test checks code layout by function symbol ordering, but that doesn't work on powerpc64 ELFv1 where the function symbol is on a descriptor. A simple work-around is to have nm emit synthetic symbols marking the code entry point of functions. Since the text segment is laid out before the data segment, the synthetic symbols will have lower addresses than function descriptor symbols and be seen first in nm -n output. On other targets, nm --synthetic typically emits symbols on plt entries. Since the testcase doesn't call any of the functions of interest there shouldn't be plt entries for those functions, so there should be no potentially confusing extra symbols. * testsuite/Makefile.am (keep_text_section_prefix_nm.stdout): Pass --synthetic to nm. * testsuite/Makefile.in: Regenerate.
2018-11-26[GOLD] justsyms_exec test fail on powerpc64Alan Modra1-1/+1
This test fails on powerpc64le due to the justsyms_lib being built with exported_data at 0x2010000, apparently due to the powerpc target code generating an empty relro .branch_lt section. Since the test relies on the library having exported_data at 0x2000000, avoid the problem by linking with -z norelro. Also, the test doesn't need to avoid checking the function symbol on powerpc elfv2. * testsuite/Makefile.am (justsyms_lib): Link with -z norelro. * testsuite/Makefile.in: Regenerate. * testsuite/justsyms_exec.c (main): Do check exported_func on PowerPC64 ELFv2.
2018-11-08Make gold testsuite work with CC and CXX specifying -BAlan Modra1-437/+404
The patch allows the gold testsuite to pass when using something like the following configure line, which works for the rest of the binutils testsuite. At least, it does if you don't configure your gcc with any of the options that force a particular path to as or ld. gccdir="/home/alan/build/gcc/prev-" gccsrc="/home/alan/src/gcc.git" gcctarg="x86_64-linux" CC="${gccdir}gcc/xgcc -B${gccdir}gcc/" \ CXX="${gccdir}gcc/xg++ -B${gccdir}gcc/ -I${gccdir}$gcctarg/libstdc++-v3/include -I${gccdir}$gcctarg/libstdc++-v3/include/$gcctarg -I${gccsrc}/libstdc++-v3/libsupc++ -L${gccdir}$gcctarg/libstdc++-v3/src/.libs/" \ ~/src/binutils-gdb/configure ... gold's -Bgcctestdir/ option must come before the -B supplied by $CC or $CXX, in order to pick up the linker we want to test. Also when using a not-yet-installed gcc, it is necessary to provide a collect-ld in gcctestdir/ as otherwise a collect-ld script in -B${gccdir}gcc/ will be used and the wrong linker tested. Besides this, the patch fixes some bugs: The $COMPILE -D_FORTIFY_SOURCE edit was wrong (but worked for usual values), and the $CXXLINK_S edit unnecessarily but harmlessly used extra backslash quoting. See posix shell documentation regarding quoting, or www.gnu.org/software/bash/manual/bashref.html#Command-Substitution Also, -Bgcctestdir/ in one place makes it less likely a new test will be added that accidentally lacks the option. * Makefile.am (gcctestdir1/ld): Use $@ and absolute paths. (gcctestdir1/collect-ld): New. (ld1_DEPENDENCIES): Add gcctestdir1/collect-ld. (ld1_LDFLAGS): Remove -Bgcctestdir1/. (editcc1, ld1_LINK): Define. (gcctestdir2/ld, gcctestdir2/collect-ld, ld2_DEPENDENCIES), (ld2_LDFLAGS, editcc2, ld2_LINK), (ld1_r_DEPENDENCIES, ld1_r_LDFLAGS, ld1_r_LINK), (gcctestdir2-r/ld, gcctestdir2-r/collect-ld, ld2_r_DEPENDENCIES), (ld2_r_LDFLAGS, editcc2r, ld2_r_LINK), (gcctestdir3/ld, gcctestdir3/collect-ld, ld3_DEPENDENCIES), (ld3_LDFLAGS, editcc3, ld3_LINK), (gcctestdir4/ld, gcctestdir4/collect-ld, ld4_DEPENDENCIES), (ld4_LDFLAGS, editcc4, ld4_LINK): Similarly. * Makefile.in: Regenerate. * testsuite/Makefile.am (editcc): Define sed command to put our -B option first. Remove other occurrences of -Bgcctestdir/ throughout file. (editcc1): Define for -D_FORTIFY_SOURCE stripping. (editcc2): Define for -static-libgcc/libstdc++ stripping. (LINK1, CXXLINK1): Don't use CCLD or CXXLD. (CCLD, CXXLD, COMPILE, LINK, CXXCOMPILE, CXXLINK, CXXLINK_S): Define using editcc macros. (gcctestdir/collect-ld): New rule, add as a dependency of.. (gcctestdir/ld): ..this. Use $@ and abs_top_buildir. (gcctestdir/as): Use $@. * testsuite/Makefile.in: Regenerate. * testsuite/incremental_test.sh (actual): Match collect-ld too.
2018-11-02[GOLD] make cleanAlan Modra1-3/+5
Cleans a few more test files. * Makefile.am (MOSTLYCLEANFILES): Define. * Makefile.in: Regnerate. * testsuite/Makefile.am (MOSTLYCLEANFILES): Add ver_test_14 and gnu_property_test. * testsuite/Makefile.in: Regnerate.
2018-07-14Fix internal error when using --emit-relocs with plugins.Cary Coutant1-1/+1
When an .eh_frame section has deferred layout because of plugins, gold was neglecting to mark the section as deferred. When we later processed the corresponding relocation section, we were then ignoring it, causing the internal error later on in the link. gold/ PR gold/23397 * object.cc (Sized_relobj_file::do_layout): Mark section as deferred. * testsuite/Makefile.am (plugin_test_1): Add --emit-relocs option to existing test case. * testsuite/Makefile.in: Regenerate.
2018-07-14Fix problem causing duplicated linker-generated symbols with versions.Cary Coutant1-2/+17
When generating _end, _edata, etc. symbols, and a version script provides a version name, and we are linking against another shared library that provides those symbols with a different version, gold ends up trying to resolve the other shared library's symbols to the new definitions, resulting in two copies of each symbol, one as default, and one as non-default. This patch tests for that condition, and ignores the symbols provided by the other shared library. gold/ PR gold/23409 * symtab.cc (Symbol_table::define_special_symbol): Add check for version name on existing symbol. * testsuite/Makefile.am (ver_test_pr23409): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/ver_test_pr23409.sh: New test script. * testsuite/ver_test_pr23409_1.script: New version script. * testsuite/ver_test_pr23409_2.script: New version script.
2018-06-22Update support for .note.gnu.property sections.Cary Coutant1-2/+2
The original patch did not give the target enough hooks to discover that an input object file does not have a particular property. For the GNU_PROPERTY_X86_FEATURE_1_AND property, for example, where a missing property should be assumed to be all zeroes, and ANDed with other object modules, this is essential. We now store the target-specific properties locally in the Target structure as native uint32_t fields, then AND the per-object feature bits with the program's feature bits when we're finished processing each input object file. The target-specific properties are then added back to the output note section during finalization. gold/ PR gold/22914 * layout.cc (read_sized_value): Fix spelling of section name. (Layout::layout_gnu_property): Call Sized_target::record_gnu_property for target-specific properties; don't store them with target-independent properties yet. (Layout::merge_gnu_properties): New method. (Layout::add_gnu_property): New method. (Layout::create_gnu_properties_note): Call target to finalize target-specific properties. Fix spelling of output section name. * layout.h (Layout::merge_gnu_properties): New method. (Layout::add_gnu_property): New method. * object.cc (Sized_relobj_file::do_layout): Call Layout::merge_gnu_properties. * target.h (Target::merge_gnu_property): Remove. (Target::finalize_gnu_properties): New method. (Target::do_merge_gnu_property): Move to Sized_target and rename. (Target::do_finalize_gnu_properties): New virtual method. (Sized_target::record_gnu_property): Moved and renamed from Target::do_merge_gnu_property. (Sized_target::merge_gnu_properties): New virtual method. * x86_64.cc (Target_x86_64::isa_1_used_, isa_1_needed_) (feature_1_, object_feature_1_, seen_first_object_): New data members. (Target_x86_64::do_merge_gnu_property): Rename to ... (Target_x86_64::record_gnu_property): ... this. Save target-specific properties in Target class object. (Target_x86_64::merge_gnu_properties): New method. (add_property): New static inline function. (Target_x86_64::do_finalize_gnu_properties): New method. * testsuite/Makefile.am (gnu_property_test): Remove C source file; link directly without compiler driver. * testsuite/Makefile.in: Regenerate. * testsuite/gnu_property_a.S: Add _start.
2018-06-22Add support for .note.gnu.property sections.Cary Coutant1-36/+57
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.
2018-06-21Fix treatment of symbol versions with unused as-needed libraries.Cary Coutant1-2/+26
When we have a weak reference to a symbol defined in an as-needed library, and that library ends up not-needed, gold simply clears the version information in the symbol table, even if the symbol could have been resolved by a needed library later in the link order. This results in a loss of version information, which can cause the program to bind to the wrong version at run time. This patch lets a dynamic definition override an earlier one if the earlier one is from a not-needed library, so that we can retain the version information from the binding to the needed library. In order to do that, the tracking of needed/not-needed had to be moved up to symbol resolution time, instead of during Symbol_table::set_dynsym_indexes(). In cases where we still end up discarding version information, I've added a warning. For the original problem report and discussion, see: https://stackoverflow.com/questions/50751421/undefined-behavior-in-shared-lib-using-libpthread-but-not-having-it-in-elf-as-d gold/ * resolve.cc (Symbol_table::resolve): Rename tobinding to orig_tobinding. Call set_is_needed() for objects that resolve non-weak references. (Symbol_table::should_override): Allow a dynamic definition to override an earlier one in a not-needed library. * symtab.cc (Symbol_table::set_dynsym_indexes): Remove separate processing for as-needed symbols. Add warning when discarding version informatin. * testsuite/Makefile.am (weak_as_needed): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/weak_as_needed.sh: New test script. * testsuite/weak_as_needed_a.c: New source file. * testsuite/weak_as_needed_b.c: New source file. * testsuite/weak_as_needed_b.script: New version script. * testsuite/weak_as_needed_c.c: New source file. * testsuite/weak_as_needed_c.script: New version script.
2018-06-20Fix problem where gold does not create base version for executables.Cary Coutant1-2/+14
gold/ PR gold/23268 * dynobj.cc (Versions::Versions): Change init for needs_base_version_. (Versions::record_version): Add verdefs for both shared objects and executables. (Versions::add_def): Likewise for base version. (Versions::add_need): Don't add base version for executables. (Versions::version_index): Look up version for both shared objects and executables. * testsuite/Makefile.am (ver_test_14): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/ver_test_14.script: New version script. * testsuite/ver_test_14.sh: New test script.
2018-06-19Replace thread config with automatic config using ax_pthread.m4.Cary Coutant1-350/+88
The autotools library macro (AX_PTHREAD) is now used to detect if pthreads is present and multi-threaded linking in gold is automatically enabled if it is found. This enables multi-threaded gold on platforms where pthreads is enabled via other methods than just -lpthread (e.g., MinGW). 2018-06-19 Joshua Watt <jpewhacker@gmail.com> Cary Coutant <ccoutant@gmail.com> gold/ * configure.ac: Replace manual thread configuration with AX_PTHREAD. Add --enable-threads=auto. * Makefile.am (THREADFLAGS, THREADLIBS): New defines. (AM_CFLAGS, AM_CXXFLAGS): Add $(THREADFLAGS. (THREADSLIB): Remove; change all references to THREADLIBS. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config.in: Regenerate. * configure: Regenerate. * testsuite/Makefile.am (THREADSLIB): Replace with... (THREADFLAGS, THREADLIBS): ... these. (LDADD): Remove; add as individual defines for... (object_unittest, binary_unittest, leb128_unittest) (overflow_unittest): ... these tests. (tls_test, tls_pic_test, tls_pie_test, tls_pie_pic_test) (tls_shared_test, tls_shared_ie_test, tls_shared_gd_to_ie_test) (tls_shared_gnu2_gd_to_ie_test, tls_shared_gnu2_test_LDFLAGS) (tls_shared_nonpic_test_LDFLAGS): Add $(THREADFLAGS) and ($THREADLIBS). * testsuite/Makefile.in: Regenerate.
2018-06-19Remove *.stderr when "make clean".Cary Coutant1-1/+1
gold/ * testsuite/Makefile.am (MOSTLYCLEANFILES): Add *.stderr. * testsuite/Makefile.in: Regenerate.
2018-06-19Bump to autoconf 2.69 and automake 1.15.1Simon Marchi1-1104/+3206
When trying to run the update-gnulib.sh script in gdb, I get this: Error: Wrong automake version (Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\${ <-- HERE ([^ =:+{}]+)}/ at /opt/automake/1.11.1/bin/automake line 4113.), we need 1.11.1. Aborting. Apparently, it's an issue with a regex in automake that triggers a warning starting with Perl 5.22. It has been fixed in automake 1.15.1. So I think it's a good excuse to bump the versions of autoconf and automake used in the gnulib import. And to avoid requiring multiple builds of autoconf/automake, it was suggested that we bump the required version of those tools for all binutils-gdb. For autoconf, the 2.69 version is universally available, so it's an easy choice. For automake, different distros and distro versions have different automake versions. But 1.15.1 seems to be the most readily available as a package. In any case, it's easy to build it from source. I removed the version checks from AUTOMAKE_OPTIONS and AC_PREREQ, because I don't think they are useful in our case. They only specify a lower bound for the acceptable version of automake/autoconf. That's useful if you let the user choose the version of the tool they want to use, but want to set a minimum version (because you use a feature that was introduced in that version). In our case, we force people to use a specific version anyway. For the autoconf version, we have the check in config/override.m4 that enforces the version we want. It will be one less thing to update next time we change autotools version. I hit a few categories of problems that required some changes. They are described below along with the chosen solutions. Problem 1: configure.ac:17: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see: configure.ac:17: http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation Solution 1: Adjust the code based on the example at that URL. Problem 2 (in zlib/): Makefile.am: error: required file './INSTALL' not found Makefile.am: 'automake --add-missing' can install 'INSTALL' Makefile.am: error: required file './NEWS' not found Makefile.am: error: required file './AUTHORS' not found Makefile.am: error: required file './COPYING' not found Makefile.am: 'automake --add-missing' can install 'COPYING' Solution 2: Add the foreign option to AUTOMAKE_OPTIONS. Problem 3: doc/Makefile.am:20: error: support for Cygnus-style trees has been removed Solution 3: Remove the cygnus options. Problem 4: Makefile.am:656: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS') Solution 4: Rename "INCLUDES = " to "AM_CPPFLAGS += " (because AM_CPPFLAGS is already defined earlier). Problem 5: doc/Makefile.am:71: warning: suffix '.texinfo' for Texinfo files is discouraged; use '.texi' instead doc/Makefile.am: warning: Oops! doc/Makefile.am: It appears this file (or files included by it) are triggering doc/Makefile.am: an undocumented, soon-to-be-removed automake hack. doc/Makefile.am: Future automake versions will no longer place in the builddir doc/Makefile.am: (rather than in the srcdir) the generated '.info' files that doc/Makefile.am: appear to be cleaned, by e.g. being listed in CLEANFILES or doc/Makefile.am: DISTCLEANFILES. doc/Makefile.am: If you want your '.info' files to be placed in the builddir doc/Makefile.am: rather than in the srcdir, you have to use the shiny new doc/Makefile.am: 'info-in-builddir' automake option. Solution 5: Rename .texinfo files to .texi. Problem 6: doc/Makefile.am: warning: Oops! doc/Makefile.am: It appears this file (or files included by it) are triggering doc/Makefile.am: an undocumented, soon-to-be-removed automake hack. doc/Makefile.am: Future automake versions will no longer place in the builddir doc/Makefile.am: (rather than in the srcdir) the generated '.info' files that doc/Makefile.am: appear to be cleaned, by e.g. being listed in CLEANFILES or doc/Makefile.am: DISTCLEANFILES. doc/Makefile.am: If you want your '.info' files to be placed in the builddir doc/Makefile.am: rather than in the srcdir, you have to use the shiny new doc/Makefile.am: 'info-in-builddir' automake option. Solution 6: Remove the hack at the bottom of doc/Makefile.am and use the info-in-builddir automake option. Problem 7: doc/Makefile.am:35: error: required file '../texinfo.tex' not found doc/Makefile.am:35: 'automake --add-missing' can install 'texinfo.tex' Solution 7: Use the no-texinfo.tex automake option. We also have one in texinfo/texinfo.tex, not sure if we should point to that, or move it (or a newer version of it added with automake --add-missing) to top-level. Problem 8: Makefile.am:131: warning: source file 'config/tc-aarch64.c' is in a subdirectory, Makefile.am:131: but option 'subdir-objects' is disabled automake: warning: possible forward-incompatibility. automake: At least a source file is in a subdirectory, but the 'subdir-objects' automake: automake option hasn't been enabled. For now, the corresponding output automake: object file(s) will be placed in the top-level directory. However, automake: this behaviour will change in future Automake versions: they will automake: unconditionally cause object files to be placed in the same subdirectory automake: of the corresponding sources. automake: You are advised to start using 'subdir-objects' option throughout your automake: project, to avoid future incompatibilities. Solution 8: Use subdir-objects, that means adjusting references to some .o that will now be in config/. Problem 9: configure.ac:375: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... ../../lib/m4sugar/m4sh.m4:639: AS_IF is expanded from... ../../lib/autoconf/general.m4:2042: AC_CACHE_VAL is expanded from... ../../lib/autoconf/general.m4:2063: AC_CACHE_CHECK is expanded from... configure.ac:375: the top level Solution 9: Use AC_LANG_SOURCE, or use proper quoting. Problem 10 (in intl/): configure.ac:7: warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS /usr/share/aclocal/threadlib.m4:36: gl_THREADLIB_EARLY_BODY is expanded from... /usr/share/aclocal/threadlib.m4:29: gl_THREADLIB_EARLY is expanded from... /usr/share/aclocal/threadlib.m4:318: gl_THREADLIB is expanded from... /usr/share/aclocal/lock.m4:9: gl_LOCK is expanded from... /usr/share/aclocal/intl.m4:211: gt_INTL_SUBDIR_CORE is expanded from... /usr/share/aclocal/intl.m4:25: AM_INTL_SUBDIR is expanded from... /usr/share/aclocal/gettext.m4:57: AM_GNU_GETTEXT is expanded from... configure.ac:7: the top level Solution 10: Add AC_USE_SYSTEM_EXTENSIONS in configure.ac. ChangeLog: * libtool.m4: Use AC_LANG_SOURCE. * configure.ac: Remove AC_PREREQ, use AC_LANG_SOURCE. * README-maintainer-mode: Update version requirements. * ar-lib: New file. * test-driver: New file. * configure: Re-generate. bfd/ChangeLog: * Makefile.am (AUTOMAKE_OPTIONS): Remove 1.11. (INCLUDES): Rename to ... (AM_CPPFLAGS): ... this. * configure.ac: Remove AC_PREREQ. * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove 1.9, cygnus, add info-in-builddir no-texinfo.tex. (info_TEXINFOS): Rename bfd.texinfo to bfd.texi. * doc/bfd.texinfo: Rename to ... * doc/bfd.texi: ... this. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * config.in: Re-generate. * configure: Re-generate. * doc/Makefile.in: Re-generate. binutils/ChangeLog: * configure.ac: Remove AC_PREREQ. * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove cygnus, add info-in-builddir no-texinfo.tex. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * config.in: Re-generate. * configure: Re-generate. * doc/Makefile.in: Re-generate. config/ChangeLog: * override.m4 (_GCC_AUTOCONF_VERSION): Bump from 2.64 to 2.69. etc/ChangeLog: * configure.in: Remove AC_PREREQ. * configure: Re-generate. gas/ChangeLog: * Makefile.am (AUTOMAKE_OPTIONS): Remove 1.11, add subdir-objects. (TARG_CPU_O, OBJ_FORMAT_O, ATOF_TARG_O): Add config/ prefix. * configure.ac (TARG_CPU_O, OBJ_FORMAT_O, ATOF_TARG_O, emfiles, extra_objects): Add config/ prefix. * doc/as.texinfo: Rename to... * doc/as.texi: ... this. * doc/Makefile.am: Rename as.texinfo to as.texi throughout. Remove DISTCLEANFILES hack. (AUTOMAKE_OPTIONS): Remove 1.8, cygnus, add no-texinfo.tex and info-in-builddir. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * config.in: Re-generate. * configure: Re-generate. * doc/Makefile.in: Re-generate. gdb/ChangeLog: * common/common-defs.h (PACKAGE_NAME, PACKAGE_VERSION, PACKAGE_STRING, PACKAGE_TARNAME): Undefine. * configure.ac: Remove AC_PREREQ, add missing quoting. * gnulib/configure.ac: Modernize usage of AC_INIT/AM_INIT_AUTOMAKE. Remove AC_PREREQ. * gnulib/update-gnulib.sh (AUTOCONF_VERSION): Bump to 2.69. (AUTOMAKE_VERSION): Bump to 1.15.1. * configure: Re-generate. * config.in: Re-generate. * aclocal.m4: Re-generate. * gnulib/aclocal.m4: Re-generate. * gnulib/config.in: Re-generate. * gnulib/configure: Re-generate. * gnulib/import/Makefile.in: Re-generate. gdb/gdbserver/ChangeLog: * configure.ac: Remove AC_PREREQ, add missing quoting. * configure: Re-generate. * config.in: Re-generate. * aclocal.m4: Re-generate. gdb/testsuite/ChangeLog: * configure.ac: Remove AC_PREREQ. * configure: Re-generate. gold/ChangeLog: * configure.ac: Remove AC_PREREQ, add missing quoting and usage of AC_LANG_SOURCE. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * configure: Re-generate. * testsuite/Makefile.in: Re-generate. gprof/ChangeLog: * configure.ac: Remove AC_PREREQ. * Makefile.am: Remove DISTCLEANFILES hack. (AUTOMAKE_OPTIONS): Remove 1.11, add info-in-builddir. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * configure: Re-generate. * gconfig.in: Re-generate. intl/ChangeLog: * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS, remove AC_PREREQ. * configure: Re-generate. * config.h.in: Re-generate. * aclocal.m4: Re-generate. ld/ChangeLog: * configure.ac: Remove AC_PREREQ. * Makefile.am: Remove DISTCLEANFILES hack, rename ld.texinfo to ld.texi, ldint.texinfo to ldint.texi throughout. (AUTOMAKE_OPTIONS): Add info-in-builddir. * README: Rename ld.texinfo to ld.texi, ldint.texinfo to ldint.texi throughout. * gen-doc.texi: Likewise. * h8-doc.texi: Likewise. * ld.texinfo: Rename to ... * ld.texi: ... this. * ldint.texinfo: Rename to ... * ldint.texi: ... this. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * config.in: Re-generate. * configure: Re-generate. libdecnumber/ChangeLog: * configure.ac: Remove AC_PREREQ. * configure: Re-generate. * aclocal.m4. libiberty/ChangeLog: * configure.ac: Remove AC_PREREQ. * configure: Re-generate. * config.in: Re-generate. opcodes/ChangeLog: * Makefile.am (AUTOMAKE_OPTIONS): Remove 1.11. * configure.ac: Remove AC_PREREQ. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * configure: Re-generate. readline/ChangeLog.gdb: * configure: Re-generate. * examples/rlfe/configure: Re-generate. sim/ChangeLog: * All configure.ac: Remove AC_PREREQ. * All configure: Re-generate. zlib/ChangeLog.bin-gdb: * configure.ac: Modernize AC_INIT call, remove AC_PREREQ. * Makefile.am (AUTOMAKE_OPTIONS): Remove 1.8, cygnus, add foreign. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * configure: Re-generate.
2018-04-24Fix internal error caused by conflicting default version definitions.Cary Coutant1-2/+20
gold/ PR gold/16504 * dynobj.cc (Versions::symbol_section_contents): Don't set VERSYM_HIDDEN flag for undefined symbols. * symtab.cc (Symbol_table::add_from_object): Don't override default version definition with a different default version. * symtab.h (Symbol::from_dyn): New method. * testsuite/plugin_test.c (struct sym_info): Add ver field. (claim_file_hook): Pass symbol version to plugin API. (parse_readelf_line): Parse symbol version. * testsuite/Makefile.am (ver_test_pr16504): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/ver_test_pr16504.sh: New test script. * testsuite/ver_test_pr16504_a.c: New source file. * testsuite/ver_test_pr16504_a.script: New version script. * testsuite/ver_test_pr16504_b.c: New source file. * testsuite/ver_test_pr16504_b.script: New version script.
2018-04-02Fix problem where mixed section types can cause internal error during a -r link.Cary Coutant1-2/+31
During a -r (or --emit-relocs) link, if two sections had the same name but different section types, gold would put relocations for both sections into the same relocation section even though the data sections remained separate. For .eh_frame sections, when one section is PROGBITS and another is X86_64_UNWIND, we really should be using the UNWIND section type and combining the sections anyway. For other sections, we should be creating one relocation section for each output data section. gold/ PR gold/23016 * incremental.cc (can_incremental_update): Check for unwind section type. * layout.h (Layout::layout): Add sh_type parameter. * layout.cc (Layout::layout): Likewise. (Layout::layout_reloc): Create new output reloc section if data section does not already have one. (Layout::layout_eh_frame): Check for unwind section type. (Layout::make_eh_frame_section): Use unwind section type for .eh_frame and .eh_frame_hdr. * object.h (Sized_relobj_file::Shdr_write): New typedef. (Sized_relobj_file::layout_section): Add sh_type parameter. (Sized_relobj_file::Deferred_layout::Deferred_layout): Add sh_type parameter. * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for unwind section type. (Sized_relobj_file::layout_section): Add sh_type parameter; pass it to Layout::layout. (Sized_relobj_file::do_layout): Make local copy of sh_type. Force .eh_frame sections to unwind section type. Pass sh_type to layout_section. (Sized_relobj_file<size, big_endian>::do_layout_deferred_sections): Pass sh_type to layout_section. * output.cc (Output_section::Output_section): Initialize reloc_section_. * output.h (Output_section::reloc_section): New method. (Output_section::set_reloc_section): New method. (Output_section::reloc_section_): New data member. * target.h (Target::unwind_section_type): New method. (Target::Target_info::unwind_section_type): New data member. * aarch64.cc (aarch64_info): Add unwind_section_type. * arm.cc (arm_info, arm_nacl_info): Likewise. * i386.cc (i386_info, i386_nacl_info, iamcu_info): Likewise. * mips.cc (mips_info, mips_nacl_info): Likewise. * powerpc.cc (powerpc_info): Likewise. * s390.cc (s390_info): Likewise. * sparc.cc (sparc_info): Likewise. * tilegx.cc (tilegx_info): Likewise. * x86_64.cc (x86_64_info, x86_64_nacl_info): Likewise. * testsuite/Makefile.am (pr23016_1, pr23016_2): New test cases. * testsuite/Makefile.in: Regenerate. * testsuite/testfile.cc: Add unwind_section_type. * testsuite/pr23016_1.sh: New test script. * testsuite/pr23016_1a.s: New source file. * testsuite/pr23016_1b.s: New source file. * testsuite/pr23016_2.sh: New test script. * testsuite/pr23016_2a.s: New source file. * testsuite/pr23016_2b.s: New source file.
2018-03-28Use top-level config support for enabling plugins.Cary Coutant1-0/+1
Also recognizes --plugin options when plugins are disabled. 2018-03-28 Cary Coutant <ccoutant@gmail.com> gold/ PR gold/21423 PR gold/22500 * configure.ac: Call AC_USE_SYSTEM_EXTENSIONS. Replace check for --enable-plugins with AC_PLUGINS. * options.cc (parse_plugin, parse_plugin_opt): Remove #ifdef. (General_options::finalize): Check if plugins enabled. * options.h (--plugin, --plugin-opt): Define even if plugins not enabled. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * configure: Regenerate. * testsuite/Makefile.in: Regenerate.
2018-03-26Fix case where IR file provides symbol visibility but replacement file does not.Cary Coutant1-3/+25
In PR 22868, two IR files provide conflicting visibility for a symbol. When a def with PROTECTED visibility is seen after a def with DEFAULT visibility, gold does not override the visibility. Later, if the replacement object define the symbol with DEFAULT visibility, the symbol remains DEFAULT. This was caused by a recent change to allow multiply-defined absolute symbols, combined with the fact that the plugin framework was using SHN_ABS as the section index for placeholder symbols. The solution is to use a real (but arbitrary) section index. gold/ PR gold/22868 * plugin.cc (Sized_pluginobj::do_add_symbols): Use a real section index instead of SHN_ABS for defined symbols. * testsuite/Makefile.am (plugin_pr22868): New test case. * testsuite/Makefile.in: Regenerate * testsuite/plugin_pr22868.sh: New test script. * testsuite/plugin_pr22868_a.c: New source file. * testsuite/plugin_pr22868_b.c: New source file.
2018-03-07New option -z,keep-text-section prefix.Sriraman Tallam1-0/+14
This option does not merge certain text sections with prefixes .text.hot, .text.unlikely, .text.startup and .text.exit. * layout.cc (Layout::default_section_order): Check for text section prefixes. (Layout::text_section_name_mapping): New static member. (Layout::text_section_name_mapping_count): New static member. (Layout::match_section_name): New static function. (Layout::output_section_name): Check for text section prefixes. * layout.h (Output_section_order::ORDER_TEXT_HOT): New enum value. (Output_section_order::ORDER_TEXT_STARTUP): New enum value. (Output_section_order::ORDER_TEXT_EXIT): New enum value. (Output_section_order::ORDER_TEXT_UNLIKELY): New enum value. (Layout::text_section_name_mapping): New static member. (Layout::text_section_name_mapping_count): New static member. (Layout::match_section_name): New static function. * options.h (keep_text_section_prefix): New -z option. * testsuite/Makefile.am (keep_text_section_prefix): New test. * testsuite/Makefile.in: Regenerate. * testsuite/keep_text_section_prefix.cc: New test source. * testsuite/keep_text_section_prefix.sh: New test script.
2018-02-22New plugin interface to get list of symbols wrapped with --wrap option.Sriraman Tallam1-7/+41
2018-02-22 Sriraman Tallam <tmsriram@google.com> * plugin.cc (get_wrap_symbols): New plugin interface. (load): Add get_wrap_symbols to transfer vector. * plugin-api.h (ld_plugin_get_wrap_symbols): New plugin interface. * testsuite/plugin_test.c (onload): Call and check get_wrap_symbols interface. * testsuite/plugin_test_wrap_symbols.sh: New test script. * testsuite/plugin_test_wrap_symbols_1.cc: New file. * testsuite/plugin_test_wrap_symbols_2.cc: New file. * testsuite/Makefile.am (plugin_test_wrap_symbols): New test. * testsuite/Makefile.in: Regenerate.
2018-02-15Fix symbol resolution with linker plugins for defsym symbols.Sriraman Tallam1-7/+41
2018-02-07 Sriraman Tallam <tmsriram@google.com> * expression.cc (Symbol_expression::set_expr_sym_in_real_elf): New method. (Unary_expression::set_expr_sym_in_real_elf): New method. (Binary_expression::set_expr_sym_in_real_elf): New method. (Trinary_expression::set_expr_sym_in_real_elf): New method. * plugin.cc (get_symbol_resolution_info): Fix symbol resolution if defined or used in defsyms. * plugin.h (Plugin_manager::is_defsym_def): New method. (Plugin_manager::Plugin_manager): Initialize defsym_defines_set_. (Plugin_manager::defsym_defines_set_): New member. (Plugin_manager::Defsym_defines_set): New typedef. * script.cc (Script_options::set_defsym_uses_in_real_elf): New method. (Script_options::find_defsym_defs): New method. * script.h (Expression::set_expr_sym_in_real_elf): New method. (Symbol_assignment::is_defsym): New method. (Symbol_assignment::value): New method. (Script_options::find_defsym_defs): New method. (Script_options::set_defsym_uses_in_real_elf): New method. * testsuite/Makefile.am (plugin_test_defsym): New test. * testsuite/Makefile.in: Regenerate. * testsuite/plugin_test.c: Check for new symbol resolution. * testsuite/plugin_test_defsym.sh: New script. * testsuite/plugin_test_defsym.c: New test source.
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