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2021-02-06Automatic date update in version.inGDB Administrator1-1/+1
2021-02-05Automatic date update in version.inGDB Administrator1-1/+1
2021-02-04x86-64: Provide more info when failed to convert GOTPCRELH.J. Lu2-3/+16
Provide [hjl@gnu-cfl-2 ld]$ ./ld-new -z norelro -L/export/gnu/import/git/gitlab/x86-binutils/ld/testsuite/ld-x86-64 -melf32_x86_64 -Ttext=0x80000000 -o tmpdir/dump tmpdir/pr19609-7.o tmpdir/pr19609-7.o: in function `_start': (.text+0x2): failed to convert GOTPCREL relocation against 'foobar'; relink with --no-relax [hjl@gnu-cfl-2 ld]$ instead of [hjl@gnu-cfl-2 ld]$ ld -z norelro -L/export/gnu/import/git/gitlab/x86-binutils/ld/testsuite/ld-x86-64 -melf32_x86_64 -Ttext=0x80000000 -o tmpdir/dump tmpdir/pr19609-7.o ld: failed to convert GOTPCREL relocation; relink with --no-relax [hjl@gnu-cfl-2 ld]$ bfd/ PR ld/19609 * elf64-x86-64.c (elf_x86_64_relocate_section): Provide more info when failed to convert GOTPCREL relocation. ld/ PR ld/19609 * testsuite/ld-x86-64/pr19609-2a.d: Updated. * testsuite/ld-x86-64/pr19609-2b.d: Likewise. * testsuite/ld-x86-64/pr19609-4a.d: Likewise. * testsuite/ld-x86-64/pr19609-4c.d: Likewise. * testsuite/ld-x86-64/pr19609-5d.d: Likewise. * testsuite/ld-x86-64/pr19609-7a.d: Likewise. * testsuite/ld-x86-64/pr19609-7c.d: Likewise.
2021-02-04RISC-V: Removed the v0.93 bitmanip ZBA/ZBB/ZBC instructions.Nelson Chu2-1/+5
bfd/ * elfxx-riscv.c (riscv_parse_prefixed_ext): Removed zb*. gas/ * config/tc-riscv.c (riscv_multi_subset_supports): Removed INSN_CLASS_ZB*. * testsuite/gas/riscv/bitmanip-insns-32.d: Removed. * testsuite/gas/riscv/bitmanip-insns-64.d: Removed. * testsuite/gas/riscv/bitmanip-insns.s: Removed. include/ * opcode/riscv-opc.h: Removed macros for zb* extensions. * opcode/riscv.h (riscv_insn_class): Removed INSN_CLASS_ZB*. opcodes/ * riscv-opc.c (MASK_RVB_IMM): Removed. (riscv_opcodes): Removed zb* instructions. (riscv_ext_version_table): Removed versions for zb*.
2021-02-04PR27311, (symbol from plugin): undefined reference, hidden symAlan Modra2-0/+8
bfd/ PR 27311 * elflink.c (elf_link_add_object_symbols): Don't pull in as-needed libraries for IR references on pass over libraries after LTO recompilation. ld/ * testsuite/ld-plugin/pr27311d.c: New test. * testsuite/ld-plugin/lto.exp: Rename pr27311 to pr27311-1, compile and link new test as pr27311-2.
2021-02-04Automatic date update in version.inGDB Administrator1-1/+1
2021-02-03Re: PR27311, ld.bfd (symbol from plugin): undefined referenceAlan Modra2-15/+17
This does exactly the same as making decisions based on an override in _bfd_elf_add_default_symbol, and is simpler. PR 27311 * elflink.c (_bfd_elf_add_default_symbol): Revert last two changes. (elf_link_add_object_symbols): Here too. Don't pull in as-needed libraries when H is an indirect symbol after calling _bfd_elf_add_default_symbol.
2021-02-03PR27311 again, ld.bfd (symbol from plugin): undefined referenceAlan Modra2-1/+11
bfd/ PR 27311 * elflink.c (_bfd_elf_add_default_symbol): Clear override when undecorated symbol will have a different version. ld/ * testsuite/ld-ifunc/ifunc.exp (libpr16467b.so, libpr16467bn.so): Link with --as-needed.
2021-02-03Automatic date update in version.inGDB Administrator1-1/+1
2021-02-02PR27311, ld.bfd (symbol from plugin): undefined referenceAlan Modra2-7/+20
A default versioned symbol definition in a shared library is overridden by an unversioned definition in a regular object file, and thus should not be reason to make an as-needed library needed. bfd/ PR 27311 * elflink.c (_bfd_elf_add_default_symbol): Add override parameter. Use when handling default versioned symbol. Rename existing override variable to nondef_override and use for non-default versioned symbol. (elf_link_add_object_symbols): Adjust call to suit. Don't pull in as-needed libraries when override is set. ld/ * testsuite/ld-plugin/pr27311.d, * testsuite/ld-plugin/pr27311.ver, * testsuite/ld-plugin/pr27311a.c, * testsuite/ld-plugin/pr27311b.c, * testsuite/ld-plugin/pr27311c.c: New testcase. * testsuite/ld-plugin/lto.exp: Run it. Correct PR14918 and PR12982 entries.
2021-02-02Automatic date update in version.inGDB Administrator1-1/+1
2021-02-01Add Genode target supportEmery Hemingway2-3/+7
* configure.tgt: Add *-*-genode* as a target for AArch64 and x86.
2021-02-01Wrong operand for SADDR (rl78)Egor Vishnyakov2-1/+7
PR 27254 * elf32-rl78.c (rl78_elf_relocate_section): Fix calculation of offset for the R_RL78_RH_SADDR relocation.
2021-02-01Automatic date update in version.inGDB Administrator1-1/+1
2021-01-31Automatic date update in version.inGDB Administrator1-1/+1
2021-01-30Automatic date update in version.inGDB Administrator1-1/+1
2021-01-29PR27271, c6x-uclinux-ld segfaults linking ld-uClibc-1.0.37.soAlan Modra2-0/+8
bfd/ PR 27271 * elflink.c (bfd_elf_link_record_dynamic_symbol): Don't segfault on symbols defined in absolute or other special sections. ld/ * testsuite/ld-tic6x/tic6x.exp: Add pr27271 test.
2021-01-29Automatic date update in version.inGDB Administrator1-1/+1
2021-01-28PR27259, SHF_LINK_ORDER self-linkAlan Modra2-8/+22
This stops ld from endless looping on SHF_LINK_ORDER sh_link loops. bfd/ PR 27259 * elflink.c (_bfd_elf_gc_mark_extra_sections): Use linker_mark to prevent endless looping of linked-to sections. ld/ PR 27259 * ldelf.c (ldelf_before_place_orphans): Use linker_mark to prevent endless looping of linked-to sections.
2021-01-28Automatic date update in version.inGDB Administrator1-1/+1
2021-01-27Automatic date update in version.inGDB Administrator1-1/+1
2021-01-26bfd: add elfcore_write_file_noteMihails Strasuns3-0/+15
Adds a trivial wrapper over elfcore_write_note, primarily to be more consistent with other ELF note helper functions and highlight NT_FILE as one of notes handled by gdb. bfd/ChangeLog: 2020-12-17 Mihails Strasuns <mihails.strasuns@intel.com> * bfd-elf.h (elfcore_write_file_note): New function. * elf.c (elfcore_write_file_note): New function. gdb/ChangeLog: 2020-12-17 Mihails Strasuns <mihails.strasuns@intel.com> * linux-tdep.c (linux_make_mappings_corefile_notes): Start using elfcore_write_file_note.
2021-01-26pr27228 testcaseAlan Modra2-2/+5
This failed on ft32, hppa, and mips-irix targets. In the case of ft32 the problem was iterating over an array in reverse and not using the proper condition, so BFD_RELOC_NONE was not recognised. bfd/ * elf32-ft32.c (ft32_reloc_type_lookup): Don't miss ft32_reloc_map[0]. gas/ PR 27282 * testsuite/gas/all/none.d: Replace skip with xfail, don't xfail ft32. * testsuite/gas/elf/pr27228.d: xfail hppa and allow OBJECT match.
2021-01-26Automatic date update in version.inGDB Administrator1-1/+1
2021-01-25Automatic date update in version.inGDB Administrator1-1/+1
2021-01-24DWARF-5: Ignore empty range in DWARF-5 line number tablesH.J. Lu2-3/+6
The DWARF5 spec does indeed explicitly say: "A bounded range entry whose beginning and ending address offsets are equal (including zero) indicates an empty range and may be ignored." Since arange_add already ignores empty ranges, remove the whole check which is equivalent to the check plus explicit continue. PR binutils/27231 * dwarf2.c (read_rnglists): Ignore empty range when parsing line number tables.
2021-01-23DWARF-5: Fix parsing DWARF-5 line number tablesH.J. Lu2-0/+8
Advance rngs_ptr when parsing DW_RLE_offset_pair, which was missing in commit c3757b583d2448a5996e83e374fb96ac7938da35 Author: Mark Wielaard <mark@klomp.org> Date: Tue Aug 25 15:33:00 2020 +0100 Fix the linker's handling of DWARF-5 line number tables. PR binutils/27231 * dwarf2.c (read_rnglists): Advance rngs_ptr after _bfd_safe_read_leb128 when parsing DW_RLE_offset_pair.
2021-01-24Automatic date update in version.inGDB Administrator1-1/+1
2021-01-23Automatic date update in version.inGDB Administrator1-1/+1
2021-01-22Automatic date update in version.inGDB Administrator1-1/+1
2021-01-21Automatic date update in version.inGDB Administrator1-1/+1
2021-01-20PowerPC: Don't generate unused section symbolsAlan Modra3-5/+11
PowerPC version of git commit d1bcae833b. bfd/ * elf32-ppc.c: Delete outdated comment. (TARGET_KEEP_UNUSED_SECTION_SYMBOLS): Define. * elf64-ppc.c (TARGET_KEEP_UNUSED_SECTION_SYMBOLS): Define. gas/ * testsuite/gas/ppc/power4.d: Adjust for removal of section sym. * testsuite/gas/ppc/test1elf32.d: Likewise. * testsuite/gas/ppc/test1elf64.d: Likewise. ld/ * testsuite/ld-powerpc/relbrlt.s: Make symbols global. * testsuite/ld-powerpc/relbrlt.d: Adjust to suit. * testsuite/ld-powerpc/tlsget.d: Adjust for reordered stubs. * testsuite/ld-powerpc/tlsget.wf: Likewise. * testsuite/ld-powerpc/tlsget2.d: Likewise. * testsuite/ld-powerpc/tlsget2.wf: Likewise. * testsuite/ld-powerpc/tlsexe.r: Adjust for removed section syms. * testsuite/ld-powerpc/tlsexe32.r: Likewise. * testsuite/ld-powerpc/tlsexe32no.r: Likewise. * testsuite/ld-powerpc/tlsexeno.r: Likewise. * testsuite/ld-powerpc/tlsexenors.r: Likewise. * testsuite/ld-powerpc/tlsexers.r: Likewise. * testsuite/ld-powerpc/tlsexetoc.r: Likewise. * testsuite/ld-powerpc/tlsexetocrs.r: Likewise. * testsuite/ld-powerpc/tlsso.r: Likewise. * testsuite/ld-powerpc/tlsso32.r: Likewise. * testsuite/ld-powerpc/tlstocso.r: Likewise.
2021-01-20PowerPC64 synthetic symbolsAlan Modra2-1/+7
If an assembler trims off unused section symbols there may be no section symbols. This means that testing for the .opd section symbol needs to test both the section name and symbol flags. * elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Don't assume section symbols are present.
2021-01-20Automatic date update in version.inGDB Administrator1-1/+1
2021-01-19PowerPC use_local_pltAlan Modra3-60/+78
Put the logic to select local vs. usual .plt section in one place. * elf64-ppc.c (elf_hash_entry): New inline function. Use throughout to replace casts. (branch_reloc_hash_match): Remove const from params. (use_local_plt): New function. (allocate_dynrelocs, ppc_build_one_stub, ppc_size_one_stub), (build_global_entry_stubs_and_plt, ppc64_elf_relocate_section): Use use_local_plt. * elf32-ppc.c (use_local_plt): New function. (allocate_dynrelocs, ppc_elf_relocate_section), (write_global_sym_plt): Use use_local_plt.
2021-01-19Automatic date update in version.inGDB Administrator1-1/+1
2021-01-17ld/elf: Ignore section symbols when matching linkonce with comdatH.J. Lu2-1/+10
When deciding if a single member comdat group section in file FOO should be discarded by a linkonce section in file BAR, we check if 2 sections define the same set of local and global symbols. When only one of the files doesn't contain the unused section symbols in the symbol table, such as object files generated by clang or GNU assembler with commit d1bcae833b32f1408485ce69f844dcd7ded093a8 Author: H.J. Lu <hjl.tools@gmail.com> Date: Thu Jan 7 06:42:00 2021 -0800 ELF: Don't generate unused section symbols the check will fail since one file has the extra unused section symbols. We should ignore both undefined and section symbols in the symbol table when making such a decision. bfd/ PR ld/27193 * elflink.c (elf_create_symbuf): Also ignore section symbols. ld/ PR ld/27193 * testsuite/ld-i386/i386.exp: Run PR ld/27193 test. * testsuite/ld-i386/pr27193.dd: New file. * testsuite/ld-i386/pr27193a.o.bz2: Likewise. * testsuite/ld-i386/pr27193b.s: Likewise.
2021-01-18Automatic date update in version.inGDB Administrator1-1/+1
2021-01-17Automatic date update in version.inGDB Administrator1-1/+1
2021-01-16ld/elf/x86: Don't compare IFUNC address in the shared objectH.J. Lu2-2/+7
On x86, glibc 2.33 starts to issue a fatal error message when calling IFUNC function defined in the unrelocated executable from a shared library. 1. Update x86 ELF linker to always convert IFUNC function defined in position-dependent executable (PDE) to the normal function. GOT in PDE will be updated by R_*_IRELATIVE at run-time. 2. Update PR ld/23169 tests not to compare function address of external IFUNC function in the shared object to avoid calling the IFUNC function defined in the unrelocated executable. 3. Remove pr23169e tests which call the IFUNC function defined in the unrelocated position-independent executable from a shared library. bfd/ PR ld/23169 * elfxx-x86.c (_bfd_x86_elf_link_fixup_ifunc_symbol): Don't check pointer_equality_needed. ld/ PR ld/23169 * testsuite/ld-ifunc/ifunc.exp: Replace pr23169c.rd with pr23169a.rd for pr23169c and pr23169f. Remove pr23169e tests. * testsuite/ld-ifunc/pr23169a.c (foo): Don't compare function address.
2021-01-15ld/x86: Add -z report-relative-relocH.J. Lu6-0/+138
Linker generated relative relocations don't have symbol info: [hjl@gnu-cfl-2 tmpdir]$ readelf -rW dump Relocation section '.rela.dyn' at offset 0x180 contains 2 entries: Offset Info Type Sym. Value Symbol's Name + Addend 00002f70 00000008 R_X86_64_RELATIVE 1000 00002f68 00000025 R_X86_64_IRELATIVE 1007 [hjl@gnu-cfl-2 tmpdir]$ Add -z report-relative-reloc to x86 ELF linker to report dynamic relative relocations: [hjl@gnu-cfl-2 tmpdir]$ ../ld-new -pie -melf32_x86_64 -z report-relative-reloc -o dump report-reloc-1.o dump: R_X86_64_IRELATIVE (offset: 0x00002f68, info: 0x00000025, addend: 0x00001007) against 'ifunc' for section '.data.rel.ro.local' in report-reloc-1.o dump: R_X86_64_RELATIVE (offset: 0x00002f70, info: 0x00000008, addend: 0x00001000) against '_start' for section '.data.rel.ro.local' in report-reloc-1.o [hjl@gnu-cfl-2 tmpdir]$ It can be used to map relative relocations to corresponding symbols. bfd/ * elf-linker-x86.h (elf_linker_x86_params): Add report_relative_reloc. * elf32-i386.c (elf_i386_relocate_section): Call _bfd_x86_elf_link_report_relative_reloc to report relative relocations for -z report-relative-reloc. (elf_i386_finish_dynamic_symbol): Likewse. * elf64-x86-64.c (elf_x86_64_relocate_section): Likewse. (elf_x86_64_finish_dynamic_symbol): Likewse. * elfxx-x86.c (_bfd_x86_elf_link_report_relative_reloc): New function. * elfxx-x86.h (_bfd_x86_elf_link_report_relative_reloc): New prototype. ld/ * NEWS: Mention -z report-relative-reloc. * ld.texi: Document -z report-relative-reloc. * emulparams/elf32_x86_64.sh: Source x86-report-relative.sh. * emulparams/elf_i386.sh: Likewse. * emulparams/elf_x86_64.sh: Likewse. * emulparams/x86-report-relative.sh: New file. * testsuite/ld-i386/report-reloc-1.d: Likewse. * testsuite/ld-i386/report-reloc-1.l: Likewse. * testsuite/ld-i386/report-reloc-1.s: Likewse. * testsuite/ld-x86-64/report-reloc-1-x32.d: Likewse. * testsuite/ld-x86-64/report-reloc-1.d: Likewse. * testsuite/ld-x86-64/report-reloc-1.l: Likewse. * testsuite/ld-x86-64/report-reloc-1.s: Likewse. * testsuite/ld-i386/i386.exp: Run report-reloc-1. * testsuite/ld-x86-64/x86-64.exp: Run report-reloc-1 and report-reloc-1-x32.
2021-01-16Tidy inflateEnd callsAlan Modra2-2/+5
So that no one need worry about the value of Z_OK. bfd/ * compress.c (decompress_contents): Tidy inflateEnd result test. binutils/ * readelf.c (uncompress_section_contents): Tidy inflateEnd result test.
2021-01-16PR26002 undefined symbol VER_NDX_GLOBAL vs. VER_NDX_LOCALAlan Modra2-1/+7
This patch makes undefined unversioned dynamic symbols use VER_NDX_GLOBAL (version 1) rather than VER_NDX_LOCAL (version 0). There really isn't much use for an undefined local dynamic symbol, so we may as well use the logically correct value in .gnu.version. https://docs.oracle.com/cd/E26505_01/html/E26506/chapter6-54676.html bfd/ PR 26002 * elflink.c (elf_link_output_extsym): Use version 1 in .gnu.version for undefined unversioned symbols. ld/ PR 26002 * testsuite/ld-elfvers/vers6.dsym: Expect "Base" for undefined unversioned symbols. * testsuite/ld-elfvers/vers16.dsym: Likewise.
2021-01-16Automatic date update in version.inGDB Administrator1-1/+1
2021-01-15RISC-V: Fixed the indent that caused by the previous commits accidentally.Nelson Chu2-1/+6
bfd/ * elfnn-riscv.c (riscv_relax_delete_bytes): Fixed the indent that caused by the previous commit accidentally.
2021-01-15RISC-V: Indent and GNU coding standards tidy, also aligned the code.Nelson Chu2-109/+113
bfd/ * elfnn-riscv.c: Indent, labels and GNU coding standards tidy, also aligned the code. gas/ * config/tc-riscv.c: Indent and GNU coding standards tidy, also aligned the code. * config/tc-riscv.h: Likewise. include/ * opcode/riscv.h: Indent and GNU coding standards tidy, also aligned the code. opcodes/ * riscv-opc.c (riscv_gpr_names_abi): Aligned the code. (riscv_fpr_names_abi): Likewise. (riscv_opcodes): Likewise. (riscv_insn_types): Likewise.
2021-01-15RISC-V: Error and warning messages tidy.Nelson Chu2-2/+6
Error and warning messages usually starting with lower case letter, and without the period at the end. Besides, add the prefixed "internel:" at the beginning of the messages when they are caused internally. Also fix indents and typos. bfd/ * elfnn-riscv.c (riscv_merge_attributes): Fix typos of messages. gas/ * config/tc-riscv.c: Error and warning messages tidy. * testsuite/gas/riscv/priv-reg-fail-fext.l: Updated. * testsuite/gas/riscv/priv-reg-fail-read-only-01.l: Likewise. * testsuite/gas/riscv/priv-reg-fail-read-only-02.l: Likewise. * testsuite/gas/riscv/priv-reg-fail-rv32-only.l: Likewise. * testsuite/gas/riscv/priv-reg-fail-version-1p10.l: Likewise. * testsuite/gas/riscv/priv-reg-fail-version-1p11.l: Likewise. * testsuite/gas/riscv/priv-reg-fail-version-1p9p1.l: Likewise. ld/ * testsuite/ld-riscv-elf/attr-merge-priv-spec-failed-01.d: Updated. * testsuite/ld-riscv-elf/attr-merge-priv-spec-failed-02.d: Likewise. * testsuite/ld-riscv-elf/attr-merge-priv-spec-failed-03.d: Likewise. * testsuite/ld-riscv-elf/attr-merge-priv-spec-failed-04.d: Likewise. * testsuite/ld-riscv-elf/attr-merge-priv-spec-failed-05.d: Likewise. * testsuite/ld-riscv-elf/attr-merge-priv-spec-failed-06.d: Likewise. opcodes/ * riscv-dis.c (parse_riscv_dis_option): Fix typos of message.
2021-01-15RISC-V: Comments tidy and improvement.Nelson Chu4-81/+81
The GNU coding standards said the comments should be complete sentences and end with a period and two spaces. But sometimes it should be more cleaner when the comments only include a word or codes. Therefore, I made the following changes after referring to other target/generic codes, * Try to write sentences in comments, must end with a period and two spaces. * End with two spaces without a period for codes/instructions only. * End with one space without a period for a single word/variable only. Besids, also rewrite/remove some comments which are obsolete or too long, and fix indents for comments. bfd/ * elfnn-riscv.c: Comments tidy and improvement. * elfxx-riscv.c: Likewise. * elfxx-riscv.h: Likewise. gas/ * config/tc-riscv.c: Comments tidy and improvement. Also update comment "fallthru" to "Fall through" that end with a period and two spaces. include/ * elf/riscv.h: Comments tidy and improvement. * opcode/riscv-opc.h: Likewise. * opcode/riscv.h: Likewise. opcodes/ * riscv-dis.c: Comments tidy and improvement. * riscv-opc.c: Likewise.
2021-01-15Automatic date update in version.inGDB Administrator1-1/+1
2021-01-14bfin: Skip non SEC_ALLOC section for R_BFIN_FUNCDESCH.J. Lu2-117/+124
Linker should never generate dynamic relocations for relocations in non-SEC_ALLOC section which has no impact on run-time behavior. Such relocations should be resolved to 0. PR ld/26688 * elf32-bfin.c (bfinfdpic_relocate_section): Skip non SEC_ALLOC section for R_BFIN_FUNCDESC.
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