binutils-gdb

Commit Graph

Author	SHA1	Message	Date
H.J. Lu	983d5689cc	x86-64: Add ilp32-12 to check R_X86_64_32 for x32 * testsuite/ld-x86-64/ilp32-12.d: New file. * testsuite/ld-x86-64/ilp32-12.s: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run ilp32-12.	5 years ago
Nelson Chu	75f03fa774	RISC-V: Check the overflow for %pcrel_lo addend more strictly. The %pcrel_lo addend may causes the overflow, and need more than one %pcrel_hi values. But there may be only one auipc, shared by those %pcrel_lo with addends. However, the existing check method in the riscv_resolve_pcrel_lo_relocs, may not be able to work for some special/corner cases. Consider the testcases pcrel-lo-addend-2b. Before applying this patch, I can compile it successfully. But in fact the addend cause the value of %pcrel_hi to be different. This patch try to check the value of %pcrel_hi directly, to make sure it won't be changed. Otherwise, linker will report the following errors, (.text+0xa): dangerous relocation: %pcrel_lo overflow with an addend, the value of %pcrel_hi is 0x1000 without any addend, but may be 0x2000 after adding the %pcrel_lo addend The toolchain regressions, rv64gc-linux/rv64gc-elf/rv32gc-linux/rv32i-elf, pass expectedly and looks fine. bfd/ * elfnn-riscv.c (riscv_resolve_pcrel_lo_relocs): Check the values of %pcrel_hi, before and after adding the addend. Make sure the value won't be changed, otherwise, report dangerous error. ld/ * testsuite/ld-riscv-elf/ld-riscv-elf.exp: Updated. * testsuite/ld-riscv-elf/pcrel-lo-addend-2a.d: Renamed from pcrel-lo-addend-2. * testsuite/ld-riscv-elf/pcrel-lo-addend-2a.s: Likewise. * testsuite/ld-riscv-elf/pcrel-lo-addend-2b.d: New testcase. * testsuite/ld-riscv-elf/pcrel-lo-addend-2b.s: Likewise.	5 years ago
Fangrui Song	cf893b0ef7	ld: Add -Bno-symbolic PR 27834 * ldlex.h (enum option_values): Add OPTION_NO_SYMBOLIC. * lexsup.c (ld_options): Add -Bno-symbolic. (parse_args): Handle -Bno-symbolic. * ld.texi: Document -Bno-symbolic. * NEWS: Mention -Bno-symbolic. * testsuite/ld-elf/shared.exp: Add a test.	5 years ago
Richard Earnshaw	84139c5864	arm: fix fallout from recent thumb2 detection patch The recent change to correct the detection of thumb2 object files resulted in a ld test for veneering starting to fail. The problem was the test itself, which was incorrectly expecting thumb1 type far-call veneers instead of the thumb2 flavour. We already have a dump file of the expected form, so the fix is to change the expected output accordingly. ld/ * testsuite/ld-arm/arm-elf.exp (farcall test for v8-m.mainline): Correct expected output.	5 years ago
Roland McGrath	4a1ad5c9e4	x86-64/ELF: Fix "clear src_mask for all reloc types" test case ld/ * testsuite/ld-x86-64/rela.d: Fix regexp not to presume a specific address layout, so it works for e.g. --target=x86-64-elf.	5 years ago
Nick Clifton	22604fe675	Prevent libdel.dll.a from being installed on Windows based systems. PR 27113 * Makefile.am (install-data-local): Also delete libdep.dll.a if it is present. * Makefile.in: Regenerate.	5 years ago
Dimitar Dimitrov	5b45e89f56	Enable linker garbage collection for the PRU target. bfd * elf32-pru.c (elf_backend_can_gc_sections): Define as 1. ld * testsuite/ld-elf/group8a.d: Remove pru from XFAIL list. * testsuite/ld-elf/group8b.d: Ditto. * testsuite/ld-elf/group9a.d: Ditto. * testsuite/ld-elf/group9b.d: Ditto. * testsuite/ld-elf/pr12851.d: Ditto. * testsuite/ld-elf/pr22677.d: Ditto. * testsuite/lib/ld-lib.exp (check_gc_sections_available): Remove pru from list.	5 years ago
Dimitar Dimitrov	261980de18	PRU: Add alignment for resource table, and allow sizes of memory regions to be set from the command line. ld * scripttempl/pru.sc (.resource_table): Add ALIGN directive. Use symbols for memory sizes.	5 years ago
Mike Frysinger	cf758b3960	support generating multi-html pages in parallel Use the pattern from other projects where we generate the html pages in a dir named the same as the project. So now we have: gas/doc/gas.html - single html page gas/doc/gas/ - multiple html pages This works for projects that have a doc/ subdir already, but gprof & ld require a little tweaking since they generate their docs in their respective toplevels.	5 years ago
Mike Frysinger	2faf902da5	generate single html manual page by default This better matches other GNU projects like autoconf/automake where the html manual is the single page form. We'll support the multi-page form in a follow up change.	5 years ago
Jan Beulich	17c6c3b991	x86-64/ELF: clear src_mask for all reloc types x86-64 uses rela relocations. The comment next to the field's declaration says "Non-zero values for ELF USE_RELA targets should be viewed with suspicion ..." And indeed the fields being non-zero causes section contents to be accumulated into the final relocated values in addition to the relocations' addends, which is contrary to the ELF spec.	5 years ago
Nick Clifton	d820a652a6	When computing section link order for a relocateable link, ignore section sizes. * ldelfgen.c (compare_link_order): Ignore section size when performing a relocateable link.	5 years ago
Alan Modra	70993db314	multiple definition warnings from script symbols In commit `89753bbf81` I enabled a warning for scripts redefining symbols. The idea was to not warn for symbols defined by shared libraries (the h->u.def.section->output_section != NULL test), but the test failed to take into account absolute symbols. Absolute symbols defined in shared libraries are currently indistinguishable from absolute symbols defined in relocatable objects, at least when only looking at struct bfd_link_hash_entry. So, don't warn for any absolute symbols. * ldexp.c (update_definedness): Don't return false for absolute symbols. * ldmain.c (multiple_definition): Print "warning: " in message when not a hard error.	5 years ago
Alan Modra	973bba9164	Re: elf: Always append ".COUNT" to local symbols Fixes XPASSes on frv-linux. * testsuite/ld-elf/pr27825-1.d: Correct xfail. * testsuite/ld-elf/pr27825-2.d: Likewise.	5 years ago
Stafford Horne	284a130902	or1k: Support large plt_relocs when generating plt entries The current PLT generation code will generate invalid code when the PLT relocation offset exceeds 64k. This fixes the issue by detecting large plt_reloc offsets and generare code sequences to create larger plt relocations. The "large" plt code needs 2 extra instructions to create 32-bit offsets. bfd/ChangeLog: PR 27746 * elf32-or1k.c (PLT_ENTRY_SIZE_LARGE, PLT_MAX_INSN_COUNT, OR1K_ADD, OR1K_ORI): New macros to help with plt creation. (elf_or1k_link_hash_table): New field plt_count. (elf_or1k_link_hash_entry): New field plt_index. (elf_or1k_plt_entry_size): New function. (or1k_write_plt_entry): Update to support variable size PLTs. (or1k_elf_finish_dynamic_sections): Use new or1k_write_plt_entry API. (or1k_elf_finish_dynamic_symbol): Update to write large PLTs when needed. (allocate_dynrelocs): Use elf_or1k_plt_entry_size to account for PLT size. ld/ChangeLog: PR 27746 testsuite/ld-or1k/or1k.exp (or1kplttests): Add tests for linking along with gotha() relocations. testsuite/ld-or1k/gotha1.dd: New file. testsuite/ld-or1k/gotha1.s: New file. testsuite/ld-or1k/gotha2.dd: New file. testsuite/ld-or1k/gotha2.s: New file testsuite/ld-or1k/pltlib.s (x): Define size to avoid link failure.	5 years ago
Nick Alcock	ae064303ef	libctf, ld: fix test results for upstream GCC The tests currently in binutils are aimed at the original GCC-based implementation of CTF, which emitted CTF directly from GCC's internal representation. The approach now under review emits CTF from DWARF, with an eye to eventually doing this for all non-DWARF debuginfo-like formats GCC supports. It also uses a different flag to enable CTF emission (-gctf rather than -gt). Adjust the testsuite accordingly. Given that the ld testsuite results are dependent on type ordering, which we do not guarantee at all, it's amazing how little changes. We see a few type ordering differences, slices change because the old GCC was buggy (slices were emitted "backwards", from the wrong end of the machine word) and its expected results were wrong, and GCC now emits the underlying integral type for enumerated types, though CTF has no way to record this yet (coming in v4). GCC also now emits even hidden symbols into the symtab (and thus symtypetab), so one symtypetab test changes its expected results slightly to compensate. Also add tests for the CTF_K_UNKNOWN nonrepresentable type: this couldn't be done before now since the only GCC that emits CTF_K_UNKNOWN for nonrepresentable types is the new one. ld/ChangeLog 2021-05-06 Nick Alcock <nick.alcock@oracle.com> * testsuite/ld-ctf/ctf.exp: Use -gctf, not -gt. * testsuite/lib/ld-lib.exp: Likewise. * testsuite/ld-ctf/nonrepresentable-1.c: New test for nonrepresentable types. * testsuite/ld-ctf/nonrepresentable-2.c: Likewise. * testsuite/ld-ctf/nonrepresentable.d: Likewise. * testsuite/ld-ctf/array.d: Larger type section. * testsuite/ld-ctf/data-func-conflicted.d: Likewise. * testsuite/ld-ctf/enums.d: Likewise. * testsuite/ld-ctf/conflicting-enums.d: Don't compare types. * testsuite/ld-ctf/cross-tu-cyclic-conflicting.d: Changed type order. * testsuite/ld-ctf/cross-tu-noncyclic.d: Likewise. * testsuite/ld-ctf/slice.d: Adjust for improved slice emission. libctf/ChangeLog 2021-05-06 Nick Alcock <nick.alcock@oracle.com> * testsuite/lib/ctf-lib.exp: Use -gctf, not -gt. * testsuite/libctf-regression/nonstatic-var-section-ld-r.lk: Hidden symbols now get into the symtypetab anyway.	5 years ago
H.J. Lu	4467df35a9	elf: Always append ".COUNT" to local symbols Always append ".COUNT" to local symbols to avoid potential conflicts with existing local symbol "XXX.COUNT". bfd/ PR ld/27825 * elflink.c (elf_link_output_symstrtab): Always append ".COUNT" to local symbols. ld/ PR ld/27825 * testsuite/ld-elf/pr27825-1.d: New file. * testsuite/ld-elf/pr27825-1a.s: Likewise. * testsuite/ld-elf/pr27825-1b.s: Likewise. * testsuite/ld-elf/pr27825-2.d: Likewise. * testsuite/ld-elf/pr27825-2a.s: Likewise. * testsuite/ld-elf/pr27825-2b.s: Likewise.	5 years ago
Alan Modra	13ffdac36f	PowerPC undefweak testcase Test for commit `4916030821` and `b293661219`. * testsuite/ld-powerpc/empty.s: New file. * testsuite/ld-powerpc/undefweak.d, * testsuite/ld-powerpc/undefweak.s: New testcase. * testsuite/ld-powerpc/powerpc.exp: Run it.	5 years ago
Alan Modra	df6fbc21a5	Re: section symbols without a name commit `2335639744` changed this file but missed one place. * testsuite/ld-s390/tlspic_64.rd: Adjust expected output for named section symbols.	5 years ago
Nick Clifton	24aebc79b1	Stop the BFD library from treating annobin symbols as potential function symbols. bfd * elf.c (_bfd_elf_maybe_function_sym): Do not accept annobin symbols as potential function symbols. * elfnn-aarch64.c (elfNN_aarch64_maybe_function_sym): Likewise. * elf64-ppc.c (ppc64_elf_maybe_function_sym): Likewise. * elf32-arm.c (elf32_arm_maybe_function_sym): Likewise. ld * testsuite/ld-elf/anno-sym.s: New test source file. * testsuite/ld-elf/anno-sym.d: New test driver. * testsuite/ld-elf/anno-sym.l: New test error output.	5 years ago
Jan Beulich	a7664973b2	x86: correct overflow checking for 16-bit PC-relative relocs The only insn requiring a truly 16-bit PC-relative relocation outside of 16-bit mode is XBEGIN (with an operand size override). For it, the relocation generated should behave similar to 8- and (for 64-bit) 32-bit PC-relatives ones, i.e. be checked for a signed value to fit the field. This same mode is also correct for 16-bit code. Outside of 16-bit code, branches with operand size overrides act in a truly PC-relative way only when living in the low 32k of address space, as they truncate rIP to 16 bits. This can't be expressed by a PC-relative relocation. Putting in place a new testcase, I'd like to note that the two existing ones (pcrel16 and pcrel16abs) appear to be pretty pointless: They don't expect any error despite supposedly checking for overflow, and in fact there can't possibly be any error for the - former since gas doesn't emit any relocation in the first place there, - latter because the way the relocation gets expressed by gas doesn't allow the linker to notice the overflow; it should be detected by gas if at all, but see above (an error would be reported here for x86-64 afaict, but this test doesn't get re-used there).	5 years ago
H.J. Lu	69cc19455b	ld: Properly create a symbolic link to tmpdir/ldscripts Don't create a symbolic link to tmpdir/ldscripts if it exists. PR ld/27771 * testsuite/ld-bootstrap/bootstrap.exp: Create a symbolic link to tmpdir/ldscripts only if it doesn't exist.	5 years ago
Jan Beulich	d018cd835c	x86-64/PE: adjust PR ld/26659 testcase for Cygwin While the testcase put in place by `74edb473c9` ("PE/Windows x86_64: Fix weak undef symbols after image base change") is fine for MingW, it fails for Cygwin. This is because the default image base is different there (for whatever reason).	5 years ago
Nick Clifton	2335639744	Adjust readelf's output so that section symbols without a name as shown with their section name. binutils* readelf.c (print_dynamic_symbol): Print the section name for section symbols without a name of their own. * testsuite/binutils-all/mips/global-local-symtab-sort-n64t.d: Adjust expected output to allow for named section symbols. * testsuite/binutils-all/mips/global-local-symtab-sort-o32t.d: Likewise. * testsuite/binutils-all/readelf.s-64: Likewise. * testsuite/binutils-all/readelf.ss-64-unused: Likewise. * testsuite/binutils-all/readelf.ss-tmips: Likewise. * testsuite/binutils-all/readelf.ss-unused: Likewise. ld * testsuite/ld-aarch64/variant_pcs-now.d: Adjust expected output to allow for named section symbols. * testsuite/ld-aarch64/variant_pcs-r.d: Likewise. * testsuite/ld-aarch64/variant_pcs-shared.d: Likewise. * testsuite/ld-alpha/tlsbin.rd: Likewise. * testsuite/ld-alpha/tlsbinr.rd: Likewise. * testsuite/ld-alpha/tlspic.rd: Likewise. * testsuite/ld-arm/rodata-merge-map.sym: Likewise. * testsuite/ld-arm/script-type.sym: Likewise. * testsuite/ld-cris/libdso-2.d: Likewise. * testsuite/ld-cris/pr16044.d: Likewise. * testsuite/ld-elf/sec64k.exp: Likewise. * testsuite/ld-ia64/tlsbin.rd: Likewise. * testsuite/ld-ia64/tlspic.rd: Likewise. * testsuite/ld-mips-elf/global-local-symtab-sort-n64t.d: Likewise. * testsuite/ld-mips-elf/global-local-symtab-sort-o32t.d: Likewise. * testsuite/ld-mmix/bspec1.d: Likewise. * testsuite/ld-mmix/bspec2.d: Likewise. * testsuite/ld-mmix/local1.d: Likewise. * testsuite/ld-mmix/local3.d: Likewise. * testsuite/ld-mmix/local5.d: Likewise. * testsuite/ld-mmix/local7.d: Likewise. * testsuite/ld-mmix/undef-3.d: Likewise. * testsuite/ld-powerpc/tlsso.r: Likewise. * testsuite/ld-powerpc/tlsso32.r: Likewise. * testsuite/ld-powerpc/tlstocso.r: Likewise. * testsuite/ld-s390/tlsbin.rd: Likewise. * testsuite/ld-s390/tlsbin_64.rd: Likewise. * testsuite/ld-s390/tlspic.rd: Likewise. * testsuite/ld-s390/tlspic_64.rd: Likewise. * testsuite/ld-sparc/gotop32.rd: Likewise. * testsuite/ld-sparc/gotop64.rd: Likewise. * testsuite/ld-sparc/tlssunbin32.rd: Likewise. * testsuite/ld-sparc/tlssunbin64.rd: Likewise. * testsuite/ld-sparc/tlssunnopic32.rd: Likewise. * testsuite/ld-sparc/tlssunnopic64.rd: Likewise. * testsuite/ld-sparc/tlssunpic32.rd: Likewise. * testsuite/ld-sparc/tlssunpic64.rd: Likewise. * testsuite/ld-tic6x/common.d: Likewise. * testsuite/ld-tic6x/shlib-1.rd: Likewise. * testsuite/ld-tic6x/shlib-1b.rd: Likewise. * testsuite/ld-tic6x/shlib-1r.rd: Likewise. * testsuite/ld-tic6x/shlib-1rb.rd: Likewise. * testsuite/ld-tic6x/shlib-app-1.rd: Likewise. * testsuite/ld-tic6x/shlib-app-1b.rd: Likewise. * testsuite/ld-tic6x/shlib-app-1r.rd: Likewise. * testsuite/ld-tic6x/shlib-app-1rb.rd: Likewise. * testsuite/ld-tic6x/shlib-noindex.rd: Likewise. * testsuite/ld-tic6x/static-app-1.rd: Likewise. * testsuite/ld-tic6x/static-app-1b.rd: Likewise. * testsuite/ld-tic6x/static-app-1r.rd: Likewise. * testsuite/ld-tic6x/static-app-1rb.rd: Likewise. gas * testsuite/gas/aarch64/dwarf.d: Adjust expected output to allow for named section symbols. * testsuite/gas/arm/thumbver.d: Likewise. * testsuite/gas/bfin/loop_temps.d: Likewise. * testsuite/gas/elf/section2.e-arc: Likewise. * testsuite/gas/elf/section2.e-arm: Likewise. * testsuite/gas/elf/section2.e-csky: Likewise. * testsuite/gas/elf/section2.e-m32r: Likewise. * testsuite/gas/elf/section2.e-mips: Likewise. * testsuite/gas/elf/section2.e-msp430: Likewise. * testsuite/gas/elf/section2.e-riscv: Likewise. * testsuite/gas/elf/section2.e-rl78: Likewise. * testsuite/gas/elf/section2.e-rx: Likewise. * testsuite/gas/elf/section2.e-score: Likewise. * testsuite/gas/elf/section2.e-tic6x: Likewise. * testsuite/gas/elf/section2.e-unused: Likewise. * testsuite/gas/elf/section2.e-v850: Likewise. * testsuite/gas/elf/section2.e-xtensa: Likewise. * testsuite/gas/ia64/alias-ilp32.d: Likewise. * testsuite/gas/ia64/alias.d: Likewise. * testsuite/gas/ia64/global.d: Likewise. * testsuite/gas/microblaze/relax_size.elf: Likewise. * testsuite/gas/microblaze/relax_size2.elf: Likewise. * testsuite/gas/mips/global-local-symtab-sort-n64t.d: Likewise. * testsuite/gas/mips/global-local-symtab-sort-o32t.d: Likewise. * testsuite/gas/mmix/bspec-1.d: Likewise. * testsuite/gas/mmix/byte-1.d: Likewise. * testsuite/gas/mmix/comment-1.d: Likewise. * testsuite/gas/mmix/loc-1.d: Likewise. * testsuite/gas/mmix/loc-2.d: Likewise. * testsuite/gas/mmix/loc-3.d: Likewise. * testsuite/gas/mmix/loc-4.d: Likewise. * testsuite/gas/mmix/loc-5.d: Likewise. * testsuite/gas/tic6x/scomm-directive-4.d: Likewise.	5 years ago
Cl?ment Chigot	c5df7e442e	Rework the R_NEG support on both gas and ld for the PowerPC AIX targets, in order to manage C++ exceptions built with GCC. bfd PR binutils/21700 * reloc.c (BFD_RELOC_PPC_NEG): New relocation. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * coff-rs6000.c (_bfd_xcoff_reloc_type_lookup): Add BFD_RELOC_PPC_NEG handler. (xcoff_reloc_type_neg): Correctly substract addend. * coff64-rs6000.c (xcoff64_howto_table): Add R_NEG_32 howto. (xcoff64_rtype2howto): Add handler for R_NEG_32. (xcoff64_reloc_type_lookup): Add BFD_RELOC_PPC_NEG handler. * xcofflink.c (xcoff_need_ldrel_p): Check output section for R_POS-like relocations. New argument added. (xcoff_mark): Adapt to new xcoff_need_ldrel_p argument. (xcoff_link_input_bfd): Likewise. gas * config/tc-ppc.c (ppc_get_csect_to_adjust): New function. (ppc_fix_adjustable): Manage fx_subsy part. (tc_gen_reloc): Create second relocation when both fx_addsy and fx_subsy are provided. * config/tc-ppc.h (RELOC_EXPANSION_POSSIBLE): New define. (MAX_RELOC_EXPANSION): Likewise. (TC_FORCE_RELOCATION_SUB_SAME): Likewise (UNDEFINED_DIFFERENCE_OK): Likewise * testsuite/gas/all/gas.exp: Skip difference between two undefined symbols test. ld * testsuite/ld-powerpc/aix52.exp: Add new test. * testsuite/ld-powerpc/aix-neg-reloc-32.d: New test. * testsuite/ld-powerpc/aix-neg-reloc-64.d: New test. * testsuite/ld-powerpc/aix-neg-reloc.ex: New test. * testsuite/ld-powerpc/aix-neg-reloc.s: New test.	5 years ago
Nick Clifton	6418520e7f	Document the effect of --as-needed on --rpath on Linux based systems. * ld.texi (Options): Add note about the effect of --as-needed on the --rpath and --rpath-link options on Linux based systems.	5 years ago
Alan Modra	1cfc6f00e4	PR27722, error: array subscript has type char PR 27722 * libdep_plugin.c (str2vec): Don't pass a potentially signed char to isspace.	5 years ago
Alan Modra	43e05cd4f4	ENABLE_CHECKING in bfd, opcodes, binutils, ld gas already has this. Here it enables checking hash table type passed to elf_link_hash_lookup and elf_link_hash_traverse. bfd/ * elf-bfd.h (ENABLE_CHECKING): Define. (elf_link_hash_lookup): Abort if wrong type of hash table. (elf_link_hash_traverse): Likewise. * configure.ac (--enable-checking): Add support. * config.in: Regenerate. * configure: Regenerate. binutils/ * configure.ac (--enable-checking): Add support. * config.in: Regenerate. * configure: Regenerate. ld/ * configure.ac (--enable-checking): Add support. * config.in: Regenerate. * configure: Regenerate. opcodes/ * configure.ac (--enable-checking): Add support. * config.in: Regenerate. * configure: Regenerate.	5 years ago
Alan Modra	2cc15b10e5	convert elf_link_hash macros to inline functions Involves a bit of editing as we now need to be more precise in pointer types. bfd/ * elf-bfd.h (is_elf_hash_table): Convert macro to inline function. (elf_link_hash_lookup, elf_link_hash_traverse): Likewise. (elf_hash_table, elf_hash_table_id): Likewise. * elf32-arm.c (elf32_arm_setup_section_lists): Delete redundant is_elf_hash_table check. * elf32-csky.c (elf32_csky_setup_section_lists): Likewise. * elf32-hppa.c (clobber_millicode_symbols): Correct param types. * elf64-alpha.c (elf64_alpha_output_extsym): Likewise. * elfnn-ia64.c (elfNN_ia64_global_dyn_info_free: Likewise. (elfNN_ia64_global_dyn_sym_thunk: Likewise. * elf64-ia64-vms.c (elf64_ia64_global_dyn_info_free): Likewise. (elf64_ia64_global_dyn_sym_thunk): Likewise. (elf64_vms_link_add_object_symbols): Pass base type of hash table to is_elf_hash_table. * elflink.c (_bfd_elf_dynamic_symbol_p): Likewise. (_bfd_elf_symbol_refs_local_p, _bfd_elf_add_dynamic_entry): Likewise. (_bfd_elf_strip_zero_sized_dynamic_sections): Likewise. (_bfd_elf_link_check_relocs, elf_link_add_object_symbols): Likewise. (bfd_elf_final_link): Likewise. * elfnn-aarch64.c (elfNN_aarch64_setup_section_lists): Likewise. * elf64-ppc.c (ppc64_elf_set_toc): Likewise. Use bfd_link_hash_lookup. ld/ * emultempl/mipself.em (mips_create_output_section_statements): Pass base type of hash table to is_elf_hash_table. * ldelf.c (ldelf_after_open): Likewise.	5 years ago
Alan Modra	fc304b8891	PR27719, lang_mark_undefineds trashes memory It's not enough to test that the output is ELF before casting bfd_link_hash_entry to elf_link_hash_entry. Some ELF targets (d30v, dlx, pj, s12z, xgate) use the generic linker support in bfd/linker.c and thus their symbols are of type generic_link_hash_entry. Not all of the places this patch touches can result in wrong accesses, but I thought it worth ensuring that all occurrences of elf_link_hash_entry in ld/ were obviously correct. PR 27719 * ldlang.c (lang_mark_undefineds, undef_start_stop): Test that the symbol hash table is the correct type before accessing elf_link_hash_entry symbols. * plugin.c (is_visible_from_outside): Likewise. * emultempl/armelf.em (ld${EMULATION_NAME}_finish): Likewise. * emultempl/solaris2.em (elf_solaris2_before_allocation): Likewise.	5 years ago
Alan Modra	c3f72de4f5	PowerPC disassembly of pcrel references This adds some annotation to Power10 pcrel instructions, displaying the target address (ie. pc + D34 field) plus a symbol if there is one at exactly that target address. pld from the .got or .plt will also look up the entry and display it, symbolically if there is a dynamic relocation on the entry. include/ * dis-asm.h (struct disassemble_info): Add dynrelbuf and dynrelcount. binutils/ * objdump.c (struct objdump_disasm_info): Delete dynrelbuf and dynrelcount. (find_symbol_for_address): Adjust for dynrelbuf and dynrelcount move. (disassemble_section, disassemble_data): Likewise. opcodes/ * ppc-dis.c (struct dis_private): Add "special". (POWERPC_DIALECT): Delete. Replace uses with.. (private_data): ..this. New inline function. (disassemble_init_powerpc): Init "special" names. (skip_optional_operands): Add is_pcrel arg, set when detecting R field of prefix instructions. (bsearch_reloc, print_got_plt): New functions. (print_insn_powerpc): For pcrel instructions, print target address and symbol if known, and decode plt and got loads too. gas/ * testsuite/gas/ppc/prefix-pcrel.d: Update expected output. * testsuite/gas/ppc/prefix-reloc.d: Likewise. * gas/testsuite/gas/ppc/vsx_32byte.d: Likewise. ld/ * testsuite/ld-powerpc/inlinepcrel-1.d: Update expected output. * testsuite/ld-powerpc/inlinepcrel-2.d: Likewise. * testsuite/ld-powerpc/notoc2.d: Likewise. * testsuite/ld-powerpc/notoc3.d: Likewise. * testsuite/ld-powerpc/pcrelopt.d: Likewise. * testsuite/ld-powerpc/startstop.d: Likewise. * testsuite/ld-powerpc/tlsget.d: Likewise. * testsuite/ld-powerpc/tlsget2.d: Likewise. * testsuite/ld-powerpc/tlsld.d: Likewise. * testsuite/ld-powerpc/weak1.d: Likewise. * testsuite/ld-powerpc/weak1so.d: Likewise.	5 years ago
Jan Beulich	bd3d1480a8	ld: warn about PE base relocations to sections above .reloc Due to a bogus linker script, or perhaps because a section doesn't get placed by a linker script while default placement puts it too high up, sections can end up above .reloc. Since the process of determining its contents (and hence its size) happens before final section placement, relocations needed for such sections would no longer point at the correct address in the final binary. Warn about this (down the road this may want to become an error, unless size determination and content creation for .reloc would get decoupled). To avoid triggering the warning when .reloc gets discarded, suppress populating the section in the first place in this case.	5 years ago
Alan Modra	c774eab1c8	C99 ld configury * configure.ac: Move initfini-array arg handling earlier. Don't check for string.h, strings.h, stdlib.h, or locale.h. Do check for inttypes.h, stdint.h, sys/types.h. Don't check for setlocale, free, getev or strstr. (AC_ISC_POSIX): Don't invoke. * sysdep.h: Include string.h and stdlib.h unconditionally. Test HAVE_SYS_TYPE_H and HAVE_SYS_STAT_H. Remove strstr, free and getenv fallback declarations. * ld.h: Don't test HAVE_LOCALE_H. * ldmain.c: Don't test HAVE_SETLOCALE. * config.in: Regenerate. * configure: Regenerate.	5 years ago
Tamar Christina	74edb473c9	PE/Windows x86_64: Fix weak undef symbols after image base change The change in PR19011 changed the image load address from being in the lower 32-bit address space to the higher 64-bit address space. However when you have a weak undef symbol which stays undef at the end of linking the linker has to resolve this (Windows loader does not support undef symbols). As such typically these would resolve to 0. The relocation used for these weak symbols are the normal 32-bit PC_REL call relocs. So when doing the overflow check LD checks if the distance between the symbol and the call is within range. However now that the load address is > 32-bits and the symbol val is 0 this overflow check will always fail. As such the linker gives a bogus error. This patch makes the linker not emit the overflow failure but chooses to still let the check be performed (as it's mid-end code). One down side of this is that it does break the common convention that the call be to sym at 0x0. i.e. before you'd get 401015: 74 05 je 40101c 401017: e8 e4 ef bf ff callq 0 and now you get 140001015: 74 05 je 14000101c 140001017: e8 e4 ef ff bf call 100000000 since the call is PC_REL there's no way to get the range large enough to resolve to 0. As such I have chosen to leave it as the furthest simple range that we can still represent. By only ignoring the error we leave the symbol value itself to still be 0 such that the if(<symbol>) checks still work correctly. bfd/ChangeLog: 2021-04-01 Tamar Christina <tamar.christina@arm.com> PR ld/26659 * cofflink.c (_bfd_coff_generic_relocate_section): Ignore overflow. ld/ChangeLog: 2021-04-01 Tamar Christina <tamar.christina@arm.com> PR ld/26659 * testsuite/ld-pe/pe.exp: Add test. * testsuite/ld-pe/pr26659-weak-undef-sym.d: New test. * testsuite/ld-pe/pr26659-weak-undef-sym.s: New test.	5 years ago
Martin Liska	e9b095a538	Remove strneq macro and use startswith. bfd/ChangeLog: * ecoff.c (strneq): Remove strneq and use startswith. (_bfd_ecoff_slurp_armap): Likewise. binutils/ChangeLog: * elfcomm.h (strneq): Remove strneq and use startswith. * readelf.c (ia64_process_unwind): Likewise. (process_note): Likewise. gas/ChangeLog: * config/obj-coff.c (strneq): Remove strneq and use startswith. (weak_is_altname): Likewise. (obj_coff_section): Likewise. * config/tc-cr16.c (process_label_constant): Likewise. * config/tc-crx.c (strneq): Likewise. include/ChangeLog: * opcode/cr16.h (strneq): Remove strneq and use startswith. ld/ChangeLog: * ldbuildid.c (strneq): Remove strneq and use startswith. (validate_build_id_style): Likewise. (compute_build_id_size): Likewise. opcodes/ChangeLog: * arm-dis.c (strneq): Remove strneq and use startswith. * cr16-dis.c (print_insn_cr16): Likewise. * score-dis.c (streq): Likewise. (strneq): Likewise. * score7-dis.c (strneq): Likewise.	5 years ago
Alan Modra	f38a2680c2	Use bool in ld * sysdep.h (POISON_BFD_BOOLEAN): Define. * configure.ac (elf_list_options, elf_shlib_list_options=false), (elf_plt_unwind_list_options=false): Replace FALSE with false, and TRUE with true. * emulparams/call_nop.sh, * emulparams/cet.sh, * emulparams/dynamic_undefined_weak.sh, * emulparams/elf32b4300.sh, * emulparams/elf32lm32.sh, * emulparams/elf32lr5900.sh, * emulparams/elf32lr5900n32.sh, * emulparams/elf32visium.sh, * emulparams/elf_x86_64.sh, * emulparams/extern_protected_data.sh, * emulparams/plt_unwind.sh, * emulparams/reloc_overflow.sh, * emulparams/static.sh, * emulparams/x86-64-lam.sh, * emultempl/aarch64elf.em, * emultempl/aix.em, * emultempl/alphaelf.em, * emultempl/armcoff.em, * emultempl/armelf.em, * emultempl/avrelf.em, * emultempl/beos.em, * emultempl/bfin.em, * emultempl/cr16elf.em, * emultempl/crxelf.em, * emultempl/cskyelf.em, * emultempl/elf.em, * emultempl/genelf.em, * emultempl/hppaelf.em, * emultempl/linux.em, * emultempl/m68hc1xelf.em, * emultempl/metagelf.em, * emultempl/mipself.em, * emultempl/mmix-elfnmmo.em, * emultempl/mmixelf.em, * emultempl/mmo.em, * emultempl/msp430.em, * emultempl/nios2elf.em, * emultempl/pdp11.em, * emultempl/pe.em, * emultempl/pep.em, * emultempl/ppc32elf.em, * emultempl/ppc64elf.em, * emultempl/rxelf.em, * emultempl/rxlinux.em, * emultempl/scoreelf.em, * emultempl/solaris2.em, * emultempl/spuelf.em, * emultempl/ticoff.em, * emultempl/v850elf.em, * emultempl/vms.em, * emultempl/xtensaelf.em, * emultempl/z80.em, * ld.h, * ldbuildid.c, * ldbuildid.h, * ldcref.c, * ldctor.c, * ldctor.h, * ldelf.c, * ldelf.h, * ldelfgen.c, * ldelfgen.h, * ldemul.c, * ldemul.h, * ldexp.c, * ldexp.h, * ldfile.c, * ldfile.h, * ldgram.y, * ldlang.c, * ldlang.h, * ldmain.c, * ldmain.h, * ldmisc.c, * ldmisc.h, * ldwrite.c, * lexsup.c, * mri.c, * pe-dll.c, * pe-dll.h, * pep-dll.h, * plugin.c, * plugin.h, * testplug.c, * testplug2.c, * testplug3.c, * testplug4.c: Replace bfd_boolean with bool, FALSE with false, and TRUE with true. * configure: Regenerate.	5 years ago
Alan Modra	3dfb1b6d34	Remove bfd_stdint.h If we require C99 for binutils then stdint.h is available. bfd/ * .gitignore: Delete bfd_stdint.h entry. * Makefile.am (bfdinclude_HEADERS): Delete bfd_stdint.h. (BUILD_HFILES, LOCAL_H_DEPS): Likewise. * bfd-in.h: Include stdint.h in place of bfd_stdint.h. * configure.ac: Don't invoke GCC_HEADER_STDINT. * configure.com: Don't create bfd_stdint.h. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * bfd-in2.h: Regenerate. * config.in: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. * po/BLD-POTFILES.in: Regenerate. binutils/ * coffdump.c: Include stdint.h in place of bfd_stdint.h. * dwarf.c: Likewise. gas/ * config/tc-aarch64.c: Include stdint.h in place of bfd_stdint.h. * config/tc-crx.c: Likewise. * config/tc-nds32.h: Likewise. include/ * cgen/basic-modes.h: Include stdint.h in place of bfd_stdint.h. * elf/nfp.h: Likewise. * opcode/aarch64.h: Likewise. * opcode/cgen.h: Likewise. * opcode/nfp.h: Likewise. * opcode/ppc.h: Likewise. ld/ * elf-hints-local.h: Include stdint.h in place of bfd_stdint.h. * emultempl/nds32elf.em: Likewise. * testsuite/ld-elf/mbind2b.c: Likewise. * testsuite/ld-elf/pr18718.c: Likewise. * testsuite/ld-elf/pr18720a.c: Likewise. * testsuite/ld-elf/pr25749-1.c: Likewise. * testsuite/ld-elf/pr25749-1a.c: Likewise. * testsuite/ld-elf/pr25749-1b.c: Likewise. * testsuite/ld-elf/pr25749-1c.c: Likewise. * testsuite/ld-elf/pr25749-1d.c: Likewise. * testsuite/ld-elf/pr25749-2.c: Likewise. * testsuite/ld-elf/pr25754-1a.c: Likewise. * testsuite/ld-elf/pr25754-2a.c: Likewise. * testsuite/ld-elf/pr25754-3a.c: Likewise. * testsuite/ld-elf/pr25754-4a.c: Likewise. * testsuite/ld-elf/pr25754-5a.c: Likewise. * testsuite/ld-elf/pr25754-6a.c: Likewise. opcodes/ * aarch64-dis.c: Include stdint.h in place of bfd_stdint.h. * aarch64-dis.h: Likewise. * aarch64-opc.c: Likewise. * avr-dis.c: Likewise. * csky-dis.c: Likewise. * nds32-asm.c: Likewise. * nds32-dis.c: Likewise. * nfp-dis.c: Likewise. * riscv-dis.c: Likewise. * s12z-dis.c: Likewise. * wasm32-dis.c: Likewise.	5 years ago
Alan Modra	63b4cc53dc	TRUE/FALSE simplification There is really no need to write code like "foo != 0 ? TRUE : FALSE" unless we had stupidly defined FALSE as something other than 0 or TRUE as something other than 1. The simpler "foo != 0" does just as well. Similarly "(condition == TRUE)" or "(condition == FALSE) can be simplified to "(condition)" and "(!condition)" respectively. I'll note that there is reason to use "integer_expression != 0" when assigning a bfd_boolean rather than the simpler "integer_expression", if you expect the variable to have 0 or 1 value. It's probably even a good idea to not rely on implicit conversion if bfd_boolean were _Bool. bfd/ * aoutx.h (aout_link_write_symbols): Don't cast boolean expression to bfd_boolean. * elf32-or1k.c (or1k_set_got_and_rela_sizes): Dont compare booleans against FALSE. * elf32-arc.c (name_for_global_symbol): Don't compare boolean to TRUE. (is_reloc_PC_relative): Don't use "boolean_condition ? TRUE : FALSE". (is_reloc_SDA_relative, is_reloc_for_GOT): Likewise. (is_reloc_for_PLT, is_reloc_for_TLS): Likewise. * elf32-arm.c (stm32l4xx_need_create_replacing_stub): Likewise. * elf32-nds32.c (insert_nds32_elf_blank): Likewise. * elf32-rx.c (rx_set_section_contents): Likewise. * elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Likewise. * elfxx-mips.c (_bfd_mips_elf_ignore_undef_symbol): Likewise. * mach-o.c (bfd_mach_o_read_command): Likewise. * targets.c (bfd_get_target_info): Likewise. binutils/ * dlltool.c (main): Don't use "boolean_condition ? TRUE : FALSE". * dwarf.c (read_and_display_attr_value): Likewise. (display_debug_str_offsets): Likewise. * objdump.c (dump_bfd): Likewise. * readelf.c (dump_section_as_strings): Likewise. (dump_section_as_bytes): Likewise. gas/ * atof-generic.c (FALSE, TRUE): Don't define. * config/obj-elf.h (FALSE, TRUE): Don't define. * config/obj-som.h (FALSE, TRUE): Don't define. * config/tc-hppa.h (FALSE, TRUE): Don't define. * config/tc-pdp11.c (FALSE, TRUE): Don't define. * config/tc-iq2000.h (obj_fix_adjustable): Delete. * config/tc-m32r.h (TC_FIX_ADJUSTABLE): Delete. * config/tc-mt.h (obj_fix_adjustable): Delete. * config/tc-nds32.h (TC_FIX_ADJUSTABLE): Delete. * config/tc-arc.c (parse_opcode_flags): Simplify boolean expression. (relaxable_flag, relaxable_operand, assemble_insn): Likewise. (tokenize_extregister): Likewise. * config/tc-csky.c (parse_opcode, get_operand_value): Likewise. (parse_operands_op, parse_operands, md_assemble): Likewise. * config/tc-d10v.c (build_insn): Likewise. * config/tc-score.c (s3_gen_insn_frag): Likewise. * config/tc-score7.c (s7_gen_insn_frag, s7_relax_frag): Likewise. * config/tc-tic6x.c (tic6x_update_features, md_assemble): Likewise. * config/tc-z80.c (emit_byte): Likewise. include/ * opcode/aarch64.h (alias_opcode_p): Simplify boolean expression. (opcode_has_alias, pseudo_opcode_p, optional_operand_p): Likewise. (opcode_has_special_coder): Likewise. ld/ * emultempl/aix.em (gld${EMULATION_NAME}_before_allocation): Simplify boolean expression. * lexsup.c (parse_args): Likewise. * pe-dll.c (pe_dll_id_target): Likewise. opcodes/ * aarch64-opc.c (vector_qualifier_p): Simplify boolean expression. (fp_qualifier_p, get_data_pattern): Likewise. (aarch64_get_operand_modifier_from_value): Likewise. (aarch64_extend_operator_p, aarch64_shift_operator_p): Likewise. (operand_variant_qualifier_p): Likewise. (qualifier_value_in_range_constraint_p): Likewise. (aarch64_get_qualifier_esize): Likewise. (aarch64_get_qualifier_nelem): Likewise. (aarch64_get_qualifier_standard_value): Likewise. (get_lower_bound, get_upper_bound): Likewise. (aarch64_find_best_match, match_operands_qualifier): Likewise. (aarch64_print_operand): Likewise. * aarch64-opc.h (operand_has_inserter, operand_has_extractor): Likewise. (operand_need_sign_extension, operand_need_shift_by_two): Likewise. (operand_need_shift_by_four, operand_maybe_stack_pointer): Likewise. * arm-dis.c (print_insn_mve, print_insn_thumb32): Likewise. * tic6x-dis.c (tic6x_check_fetch_packet_header): Likewise. (print_insn_tic6x): Likewise.	5 years ago
Nick Alcock	8592be8c7d	ld: do not rely on the exact size of the CTF symtypetabs in test results The data object and function info sections (collectively "symtypetabs") usually (i.e. if non-indexed) have sizes defined by the size of the ELF dynamic symbol table in the object they are linked to. This means test results should not depend on the exact sizes of these sections, because adding entirely irrelevant symbols to the dynsym can cause spurious test failures. (This also means we should not match the offset of sections that follow them, since those too depend on the exact size of the symtypetab sections.) Spotted by turning the sanitizer on, which introduced new dynsym entries and expanded the symtypetab sizes to match. ld/ChangeLog 2021-03-25 Nick Alcock <nick.alcock@oracle.com> * testsuite/ld-ctf/array.d: Only check that the data object section is nonempty: do not check its exact size. * testsuite/ld-ctf/diag-parlabel.d: Likewise. * testsuite/ld-ctf/slice.d: Likewise. * testsuite/ld-ctf/data-func-conflicted.d: Likewise, and for the func info section too. * testsuite/ld-ctf/function.d: Likewise, for the func info section.	5 years ago
Martin Liska	08dedd6631	Add startswith function and use it instead of CONST_STRNEQ. bfd/ChangeLog: * bfd-in.h (startswith): Add startswith function. (CONST_STRNEQ): Remove. * bfd-in2.h (startswith): Regenerate with make headers. * archive.c (bfd_slurp_armap): Replace usage of CONST_STRNEQ with startswith. (_bfd_slurp_extended_name_table): Likewise. * archive64.c (_bfd_archive_64_bit_slurp_armap): Likewise. * bfd.c (bfd_get_sign_extend_vma): Likewise. (bfd_convert_section_size): Likewise. (bfd_convert_section_contents): Likewise. * coff-stgo32.c (go32exe_create_stub): Likewise. (go32exe_check_format): Likewise. * coffcode.h (styp_to_sec_flags): Likewise. (GNU_DEBUGALTLINK): Likewise. * coffgen.c (_bfd_coff_section_already_linked): Likewise. (coff_gc_sweep): Likewise. (bfd_coff_gc_sections): Likewise. * cofflink.c (coff_link_add_symbols): Likewise. (process_embedded_commands): Likewise. * compress.c (bfd_is_section_compressed_with_header): Likewise. (bfd_init_section_decompress_status): Likewise. * dwarf2.c (find_debug_info): Likewise. (place_sections): Likewise. * ecoff.c (_bfd_ecoff_slurp_armap): Likewise. * elf-m10300.c (_bfd_mn10300_elf_size_dynamic_sections): Likewise. * elf.c (_bfd_elf_make_section_from_shdr): Likewise. (assign_section_numbers): Likewise. (elfcore_grok_win32pstatus): Likewise. * elf32-arm.c (cmse_scan): Likewise. (elf32_arm_gc_mark_extra_sections): Likewise. (elf32_arm_size_dynamic_sections): Likewise. (is_arm_elf_unwind_section_name): Likewise. * elf32-bfin.c (bfin_size_dynamic_sections): Likewise. * elf32-cr16.c (_bfd_cr16_elf_size_dynamic_sections): Likewise. * elf32-cris.c (elf_cris_size_dynamic_sections): Likewise. * elf32-csky.c (csky_elf_size_dynamic_sections): Likewise. * elf32-hppa.c (elf32_hppa_size_dynamic_sections): Likewise. * elf32-iq2000.c (iq2000_elf_check_relocs): Likewise. * elf32-lm32.c (lm32_elf_size_dynamic_sections): Likewise. * elf32-m32r.c (m32r_elf_size_dynamic_sections): Likewise. * elf32-m68k.c (elf_m68k_size_dynamic_sections): Likewise. * elf32-metag.c (elf_metag_size_dynamic_sections): Likewise. * elf32-msp430.c (msp430_elf_relax_delete_bytes): Likewise. * elf32-nios2.c (nios2_elf32_size_dynamic_sections): Likewise. * elf32-or1k.c (or1k_elf_size_dynamic_sections): Likewise. * elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise. * elf32-s390.c (elf_s390_size_dynamic_sections): Likewise. * elf32-score.c (s3_bfd_score_elf_size_dynamic_sections): Likewise. * elf32-score7.c (s7_bfd_score_elf_size_dynamic_sections): Likewise. * elf32-sh.c (sh_elf_size_dynamic_sections): Likewise. * elf32-tic6x.c (is_tic6x_elf_unwind_section_name): Likewise. (elf32_tic6x_size_dynamic_sections): Likewise. * elf32-vax.c (elf_vax_size_dynamic_sections): Likewise. * elf32-xtensa.c (elf_xtensa_size_dynamic_sections): Likewise. (xtensa_is_insntable_section): Likewise. (xtensa_is_littable_section): Likewise. (xtensa_is_proptable_section): Likewise. (xtensa_property_section_name): Likewise. (xtensa_callback_required_dependence): Likewise. * elf64-alpha.c (elf64_alpha_size_dynamic_sections): Likewise. * elf64-hppa.c (elf64_hppa_size_dynamic_sections): Likewise. * elf64-ia64-vms.c (is_unwind_section_name): Likewise. (get_reloc_section): Likewise. (elf64_ia64_size_dynamic_sections): Likewise. (elf64_ia64_object_p): Likewise. * elf64-mmix.c (mmix_elf_add_symbol_hook): Likewise. * elf64-ppc.c (ppc64_elf_size_dynamic_sections): Likewise. * elf64-s390.c (elf_s390_size_dynamic_sections): Likewise. * elflink.c (elf_link_add_object_symbols): Likewise. (_bfd_elf_gc_mark_extra_sections): Likewise. (bfd_elf_parse_eh_frame_entries): Likewise. (_bfd_elf_section_already_linked): Likewise. * elfnn-aarch64.c (elfNN_aarch64_size_dynamic_sections): Likewise. * elfnn-ia64.c (is_unwind_section_name): Likewise. (elfNN_ia64_size_dynamic_sections): Likewise. (elfNN_ia64_object_p): Likewise. * elfxx-mips.c (FN_STUB_P): Likewise. (CALL_STUB_P): Likewise. (CALL_FP_STUB_P): Likewise. (_bfd_mips_elf_section_from_shdr): Likewise. (_bfd_mips_elf_fake_sections): Likewise. (_bfd_mips_elf_size_dynamic_sections): Likewise. (_bfd_mips_final_write_processing): Likewise. (_bfd_mips_elf_final_link): Likewise. * elfxx-sparc.c (_bfd_sparc_elf_size_dynamic_sections): Likewise. * elfxx-x86.c (elf_i386_is_reloc_section): Likewise. (elf_x86_64_is_reloc_section): Likewise. * hpux-core.c (thread_section_p): Likewise. * libcoff.h (bfd_pei_p): Likewise. * linker.c (REAL): Likewise. (unwrap_hash_lookup): Likewise. (_bfd_generic_link_add_one_symbol): Likewise. * mmo.c (mmo_internal_write_section): Likewise. * osf-core.c (osf_core_core_file_p): Likewise. * pef.c (bfd_pef_print_symbol): Likewise. * pei-x86_64.c (pex64_print_all_pdata_sections): Likewise. * som.c (som_slurp_symbol_table): Likewise. (som_slurp_armap): Likewise. * wasm-module.c (wasm_compute_custom_section_file_position): Likewise. binutils/ChangeLog: * dlltool.c (scan_drectve_symbols): Replace usage of CONST_STRNEQ with startswith. * emul_aix.c (ar_emul_aix_parse_arg): Likewise. * objcopy.c (is_mergeable_note_section): Likewise. * objdump.c (dump_dwarf_section): Likewise. * prdbg.c (pr_method_type): Likewise. (pr_class_baseclass): Likewise. (tg_class_baseclass): Likewise. * readelf.c (process_lto_symbol_tables): Likewise. * stabs.c (ULLHIGH): Likewise. (parse_stab_argtypes): Likewise. (stab_demangle_function_name): Likewise. gas/ChangeLog: * config/tc-i386.c (md_parse_option): Replace usage of CONST_STRNEQ with startswith. (x86_64_section_word): Likewise. * config/tc-sparc.c (md_parse_option): Likewise. gdb/ChangeLog: * arm-tdep.c (show_disassembly_style_sfunc): Replace usage of CONST_STRNEQ with startswith. (_initialize_arm_tdep): Likewise. ld/ChangeLog: * emultempl/aix.em: Replace usage of CONST_STRNEQ with startswith. * emultempl/beos.em: Likewise. * emultempl/elf.em: Likewise. * emultempl/pe.em: Likewise. * emultempl/pep.em: Likewise. * emultempl/xtensaelf.em: Likewise. * ldctor.c (ctor_prio): Likewise. * ldelf.c (ldelf_try_needed): Likewise. (ldelf_parse_ld_so_conf): Likewise. (ldelf_after_open): Likewise. (output_rel_find): Likewise. (ldelf_place_orphan): Likewise. * ldfile.c (ldfile_add_library_path): Likewise. * ldlang.c (lang_add_input_file): Likewise. * ldmain.c (get_sysroot): Likewise. (get_emulation): Likewise. (add_archive_element): Likewise. * ldwrite.c (unsplittable_name): Likewise. (clone_section): Likewise. * lexsup.c (parse_args): Likewise. * pe-dll.c (is_import): Likewise. (pe_implied_import_dll): Likewise. opcodes/ChangeLog: * aarch64-dis.c (parse_aarch64_dis_option): Replace usage of CONST_STRNEQ with startswith. * arc-dis.c (parse_option): Likewise. * arm-dis.c (parse_arm_disassembler_options): Likewise. * cris-dis.c (print_with_operands): Likewise. * h8300-dis.c (bfd_h8_disassemble): Likewise. * i386-dis.c (print_insn): Likewise. * ia64-gen.c (fetch_insn_class): Likewise. (parse_resource_users): Likewise. (in_iclass): Likewise. (lookup_specifier): Likewise. (insert_opcode_dependencies): Likewise. * mips-dis.c (parse_mips_ase_option): Likewise. (parse_mips_dis_option): Likewise. * s390-dis.c (disassemble_init_s390): Likewise. * wasm32-dis.c (parse_wasm32_disassembler_options): Likewise.	5 years ago
H.J. Lu	1de96e5de9	x86-64: Add a testcase for PR ld/27590 PR ld/27590 * testsuite/ld-x86-64/pr27590.rd: New file. * testsuite/ld-x86-64/pr27590a.obj.bz2: Likewise. * testsuite/ld-x86-64/pr27590b.obj.bz2: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run ld/27590 test.	5 years ago
Alan Modra	15407e7e0d	DWARF LTO debug sections vs. .stabstr The exception for debug sections in clearing SEC_EXCLUDE when relocatable was really for one specific debug section, so let's make it do just that. bfd/ PR 27590 * elf.c (_bfd_elf_make_section_from_shdr): Remove SHF_EXCLUDE test for .gnu.debuglto. ld/ PR 27590 ldlang.c (lang_gc_sections): Clear SEC_EXCLUDE when relocatable for all sections except .stabstr.	5 years ago
Alan Modra	fba7f7533c	pr27590 testcase fixes PR 27590 * testsuite/ld-elf/pr27590a.d: Match relocs using label, and R_MIPS_NONE. * testsuite/ld-elf/pr27590b.d: Likewise.	5 years ago
H.J. Lu	3818d4ab06	elf: Handle .gnu.debuglto_.debug_* sections commit `994b251328` Author: H.J. Lu <hjl.tools@gmail.com> Date: Sun Jan 17 20:01:16 2021 -0800 ld/elf: Ignore section symbols when matching linkonce with comdat ignored section symbols when comparing symbols in 2 sections. Since all references to debugging sections are done with section symbols, symbols in debugging sections are ignored and we fail to match symbols in comdat debugging sections. Also .gnu.debuglto_.debug_* sections aren't treated as debugging sections. 1. Treate .gnu.debuglto_.debug_ section as debugging section unless it is marked with SHF_EXCLUDE. 2. Revert commit `994b251328` in elf_create_symbuf. 3. Ignore section symbols only when matching non-debugging sections or linkonce section with comdat section. bfd/ PR ld/27590 * elf.c (_bfd_elf_make_section_from_shdr): Treate .gnu.debuglto_.debug_ section as debugging section unless it is marked with SHF_EXCLUDE. * elflink.c (elf_create_symbuf): Revert commit `994b251328`. (bfd_elf_match_symbols_in_sections): Ignore section symbols when matching non-debugging sections or linkonce section with comdat section. ld/ PR ld/27590 * testsuite/ld-elf/pr27590.s: New file. * testsuite/ld-elf/pr27590a.d: Likewise. * testsuite/ld-elf/pr27590b.d: Likewise. * testsuite/ld-i386/i386.exp: Also run ld/27193 test with --reduce-memory-overheads.	5 years ago
H.J. Lu	51f6e7a9f4	DWARF: Check version >= 3 for DW_FORM_ref_addr Check version >= 3, instead of version == 3 \|\| version == 4, for DW_FORM_ref_addr. bfd/ PR ld/27587 * dwarf2.c (read_attribute_value): Check version >= 3 for DW_FORM_ref_addr. ld/ PR ld/27587 * testsuite/ld-x86-64/pr27587.err: New file. * testsuite/ld-x86-64/pr27587a.obj.bz2: Likewise. * testsuite/ld-x86-64/pr27587b.obj.bz2: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run PR ld/27587 test.	5 years ago
Nick Alcock	69a284867c	libctf: support encodings for enums The previous commit started to error-check the lookup of ctf_type_encoding for the underlying type that is internally done when carrying out a ctf_type_encoding on a slice. Unfortunately, enums have no encoding, so this has historically been returning an error (which is ignored) and then populating the cte_format with uninitialized data. Now the error is not ignored, this is returning an error, which breaks linking of CTF containing bitfields of enumerated type. CTF format v3 does not record the actual underlying type of a enum, but we can mock up something that is not too wrong, and that is at any rate better than uninitialized data. ld/ChangeLog 2021-03-18 Nick Alcock <nick.alcock@oracle.com> * testsuite/ld-ctf/slice.c: Check slices of enums too. * testsuite/ld-ctf/slice.d: Results adjusted. libctf/ChangeLog 2021-03-18 Nick Alcock <nick.alcock@oracle.com> * ctf-types.c (ctf_type_encoding): Support, after a fashion, for enums. * ctf-dump.c (ctf_dump_format_type): Do not report enums' degenerate encoding.	5 years ago
Nick Clifton	ee42883cff	Fix potentially undefined behaviour use of strcpcy. * pe-dll.c (pe_find_cdecl_alias_match): Use memmove to overwrite lname string.	5 years ago
Jan Beulich	c68b1842bd	ld: don't chance overrunning PE .reloc section content The allocation of reloc_d doesn't take reloc_s->size into account. There is already padding being emitted up to the allocated size. While reloc_s->size ought to still be zero at this point anyway (and hence the code being deleted would have been just dead), don't risk writing past the actual allocation.	5 years ago
Alan Modra	203a206d14	riscv --enable-targets=all on 32-bit host Attempting to build --enable-targets=all on a 32-bit host results in a number of errors like the following. eelf32lriscv.o: in function `gldelf32lriscv_after_allocation': eelf32lriscv.c:98: undefined reference to `bfd_elf32_riscv_restart_relax_sections' That's due to needing --enable-64-bit-bfd to get the riscv BFD support built. * Makefile.am (ALL_EMULATION_SOURCES): Move riscv files to.. (ALL_64_EMULATION_SOURCES): ..here. * Makefile.in: Regenerate.	5 years ago
Clément Chigot	1b2cb8e2ee	aix: implement TLS relocation for gas and ld Add support for TLS in XCOFF. Amongst the things done by this commit: - Update XCOFF auxialiary header to match new version and allow TLS sections. - Add TLS sections (.tdata and .tbss) support in gas and ld. - Add support for the TLS relocations in gas and ld. Two different types BFD_RELOC are created for PPC and PPC64 as the size is a pointer, thus distinct in 32 or 64bit. The addresses given by ld to .tdata and .tbss is a bit special. In XCOFF, these addresses are actually offsets from the TLS pointer computed at runtime. AIX assembly and linker does the same. In top of that, the .tdata must be before .data (this is mandatory for AIX loader). Thus, the aix ld script is recomputing "." before .data to restore its original value. There might be a simpler way, but this one is working. Optimisation linked to TLS relocations aren't yet implemented. bfd/ * reloc.c (BFD_RELOC_PPC_TLS_LE, BFD_RELOC_PPC_TLS_IE, BFD_RELOC_PPC_TLS_M, BFD_RELOC_PPC_TLS_ML, BFD_RELOC_PPC64_TLS_GD, BFD_RELOC_PPC64_TLS_LD, BFD_RELOC_PPC64_TLS_LE, BFD_RELOC_PPC64_TLS_IE, BFD_RELOC_PPC64_TLS_M, BFD_RELOC_PPC64_TLS_ML): New relocations. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * coff-rs6000.c (xcoff_calculate_relocation): Call xcoff_reloc_type_tls for TLS relocations. (xcoff_howto_table): Implement TLS relocations. (_bfd_xcoff_reloc_type_lookup): Add cases TLS relocations. (xcoff_reloc_type_tls): New function. * coff64-rs6000.c (xcoff_calculate_relocation): Likewise. (xcoff_howto_table): Likewise. (_bfd_xcoff_reloc_type_lookup): Likewise. * coffcode.h (sec_to_styp_flags): Handle TLS sections. (styp_to_sec_flags): Likewise. (coff_compute_section_file_positions): Avoid file offset optimisation for .data when the previous section is .tdata. (coff_write_object_contents): Handle TLS sections. * coffswap.h (coff_swap_aouthdr_out): Add support for new fields in aouthdr. * libxcoff.h (xcoff_reloc_type_tls): Add prototype. * xcofflink.c (xcoff_link_add_symbols): Handle XMC_UL. (xcoff_need_ldrel_p): Add cases for TLS relocations. (xcoff_create_ldrel): Add l_symndx for TLS sections. gas/ * config/tc-ppc.c (ppc_xcoff_text_section, ppc_xcoff_data_section, (ppc_xcoff_bss_section, ppc_xcoff_tdata_section, (ppc_xcoff_tbss_section): New variables. (ppc_text_subsegment, ppc_text_csects, ppc_data_subgments, (ppc_data_csects): Removed. (ppc_xcoff_section_is_initialized, ppc_init_xcoff_section, ppc_xcoff_parse_cons): New functions. (md_being): Initialize XCOFF sections. (ppc_xcoff_suffix): Add support for TLS relocations (fixup_size, md_apply_fix): Add support for new BFD_RELOC. (ppc_change_csect): Handle XMC_TL, XMC_UL. Correctly, add XMC_BS to .bss section. Handle new XCOFF section variables. (ppc_comm): Likewise. (ppc_toc): Likewise. (ppc_symbol_new_hook): Likewise. (ppc_frob_symbol): Likewise. (ppc_fix_adjustable): Add tbss support. * config/tc-ppc.h (TC_PARSE_CONS_EXPRESSION): New define. (ppc_xcoff_parse_cons): Add prototype. (struct ppc_xcoff_section): New structure. ld/ * emultempl/aix.em: Ensure .tdata section is removed if empty, even with -r flag. * scripttempl/aix.sc: Handle TLS sections. * testsuite/ld-powerpc/aix52.exp: Add new tests. * testsuite/ld-powerpc/aix-tls-reloc-32.d: New test. * testsuite/ld-powerpc/aix-tls-reloc-64.d: New test. * testsuite/ld-powerpc/aix-tls-reloc.ex: New test. * testsuite/ld-powerpc/aix-tls-reloc.s: New test. * testsuite/ld-powerpc/aix-tls-section-32.d: New test. * testsuite/ld-powerpc/aix-tls-section-64.d: New test. * testsuite/ld-powerpc/aix-tls-section.ex: New test. * testsuite/ld-powerpc/aix-tls-section.s: New test. include/ * coff/internal.h (struct internal_aouthdr): Add new fields. * coff/rs6000.h (AOUTHDRÃ): Add new fields. * coff/rs6k64.h (struct external_filehdr): Likewise. * coff/xcoff.h (_TDATA), _TBSS): New defines (RS6K_AOUTHDR_TLS_LE, RS6K_AOUTHDR_RAS, RS6K_AOUTHDR_ALGNTDATA, RS6K_AOUTHDR_SHR_SYMTAB, RS6K_AOUTHDR_FORK_POLICY, RS6K_AOUTHDR_FORK_COR): New defines. (XMC_TU): Removed. (XMC_UL): New define.	5 years ago

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4861 Commits (983d5689cc07466ddc6664e10aebbb2b2fd49515)