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2015-11-30Fix mi-nonstop.exp with extended-remotePedro Alves4-10/+41
Testing with "maint set target-non-stop on" makes mi-nonstop.exp run with the extended-remote board. That reveals that mi-nonstop.exp is using the wrong predicate to check for "using remote protocol". This is not visible today because non-stop tests all fail to run with extended-remote board, because they spawn gdb and then do "set non-stop on". However, with that board, gdb connects to the gdbserver from within mi_gdb_start, and changing non-stop when already connected doesn't work. Fix that by instead enabling non-stop mode on gdb's command line. gdb/testsuite/ChangeLog: 2015-11-30 Pedro Alves <palves@redhat.com> * gdb.mi/mi-nonstop.exp: Append "set non-stop on" to GDBFLAGS instead of issuing "-gdb-set non-stop 1" after starting gdb. Use mi_is_target_remote instead of checking "is_remote target". * lib/gdb.exp (gdb_is_target_remote): Rename to ... (gdb_is_target_remote_prompt): ... this, and add 'prompt_regexp' parameter. (gdb_is_target_remote): Reimplement. * lib/mi-support.exp (mi_is_target_remote): New procedure.
2015-11-30Fix ChangeLog entryPedro Alves1-1/+1
There should be only one date in multi-author entries.
2015-11-30objdump: Handle 32-bit base address in debug_ranges / debug_loc.Andrew Burgess6-11/+207
When the DWARF address size is 32-bit, but the host machine is 64-bit, objdump fails to spot base addresses specified in the .debug_ranges and .debug_loc lists. As an example, here is the output when dumping an example .debug_ranges section with the pre-patched objdump: Contents of the .debug_ranges section: Offset Begin End 00000000 ffffffff 00000004 (start > end) 00000000 00000000 00000004 00000000 ffffffff 00000008 (start > end) 00000000 00000000 00000004 00000000 <End of list> And this is what the same section looks like when dumped with the patched version of objdump: Contents of the .debug_ranges section: Offset Begin End 00000000 ffffffff 00000004 (base address) 00000000 00000004 00000008 00000000 ffffffff 00000008 (base address) 00000000 00000008 0000000c 00000000 <End of list> binutils/ChangeLog: * dwarf.c (is_max_address): New function. (display_loc_list): Remove out of date comment, use is_max_address. (display_debug_ranges): Likewise. binutils/testsuite/ChangeLog: * binutils-all/objdump.exp: Add test for .debug_ranges decode. * binutils-all/dw2-ranges.S: New file. * binutils-all/dw2-ranges.W: New file.
2015-11-30Automatic date update in version.inGDB Administrator1-1/+1
2015-11-28Update my email address in MAINTAINERS.Cary Coutant2-1/+5
binutils/ * MAINTAINERS: Update my email address.
2015-11-29Automatic date update in version.inGDB Administrator1-1/+1
2015-11-28Adjust GDB to demangler API changePedro Alves2-1/+6
Before commit 3a8724032abf, DEMANGLE_COMPONENT_CAST was used for both casts and conversion operators. We now have DEMANGLE_COMPONENT_CONVERSION for the latter. gdb/ChangeLog: 2014-11-28 Pedro Alves <palves@redhat.com> * cp-name-parser.y (conversion_op): Use DEMANGLE_COMPONENT_CONVERSION instead of DEMANGLE_COMPONENT_CAST.
2015-11-28libsanitizer merge from upstream r250806, compiler part.Maxim Ostapenko2-1/+6
gcc/ * asan.c (asan_emit_stack_protection): Don't pass local stack to asan_stack_malloc_[n] anymore. Check if asan_stack_malloc_[n] returned NULL and use local stack than. (asan_finish_file): Insert __asan_version_mismatch_check_v[n] call in addition to __asan_init. * sanitizer.def (BUILT_IN_ASAN_INIT): Rename to __asan_init. (BUILT_IN_ASAN_VERSION_MISMATCH_CHECK): Add new builtin call. * asan.h (asan_intercepted_p): Handle new string builtins. * ubsan.c (ubsan_use_new_style_p): New function. (ubsan_instrument_float_cast): If location is unknown, assign input_location to loc. Propagate loc to ubsan_create_data if ubsan_use_new_style_p returned true. config/ * bootstrap-asan.mk: Replace ASAN_OPTIONS=detect_leaks with LSAN_OPTIONS=detect_leaks. gcc/testsuite/ * c-c++-common/ubsan/float-cast-overflow-10.c: Adjust test. * c-c++-common/ubsan/float-cast-overflow-8.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-9.c: Likewise. * g++.dg/asan/default-options-1.C: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229112 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28Port libvtv to SolarisRainer Orth2-0/+9
libstdc++-v3: * acinclude.m4 (GLIBCXX_ENABLE_VTABLE_VERIFY) <solaris2*>: Use -Wl,-R in VTV_CXXLINKFLAGS. * configure: Regenerate. * testsuite/18_support/bad_exception/23591_thread-1.c: Use -fvtable-verify=none on Solaris 12+. libgcc: * Makefile.in (VTV_CFLAGS): New variable. (vtv_start$(objext), vtv_end$(objext), vtv_end$(objext)) (vtv_start_preinit$(objext), vtv_end_preinit$(objext)): Use it. * config.host (*-*-solaris2*): Add t-crtstuff-pic to tmake_file. Add vtv_start.o, vtv_end.o, vtv_start_preinit.o, vtv_end_preinit.o to extra_parts if $enable_vtable_verify = yes. libvtv: * configure.tgt (*-*-solaris2.[1-9]*): Declare supported. * configure.ac: Call AC_USE_SYSTEM_EXTENSIONS. <*-*-solaris2*>: Check for init priority support. Check for getexecname, __fortify_fail, _obstack_begin. (VTV_NO_OBSTACK): New conditional. * configure: Regenerate. * Makefile.am [VTV_NO_OBSTACK] (obstack.c): Use new condition. Create empty config.h * Makefile.in: Regenerate. * vtv_rts.cc [HAVE_GETEXECNAME] (program_invocation_name): New variable. (read_section_offset_and_length) [HAVE_GETEXECNAME]: Set it. (dl_iterate_phdr_callback) [HAVE_GETEXECNAME]: Set it. (__fortify_fail): Wrap in HAVE___FORTIFY_FAIL [!HAVE___FORTIFY_FAIL]: Provide non-Cygwin implementation. (read_section_offset_and_length): Assert sh_size >= VTV_PAGE_SIZE. (iterate_modules): Fix typo. Use VTV_PAGE_SIZE. (dl_iterate_phdr_callback): Fix typo. Use VTV_PAGE_SIZE. (__VLTChangePermission): Fix typos. include: * vtv-change-permission.h (VTV_PAGE_SIZE) [__sun__ && __svr4__ && __sparc__]: Define. gcc: * config/sol2.h (SUPPORTS_INIT_PRIORITY): Move up. (STARTFILE_VTV_SPEC, ENDFILE_VTV_SPEC): Define. (STARTFILE_SPEC): Use %(startfile_vtv). (ENDFILE_SPEC): Use %(endfile_vtv). (SUBTARGET_EXTRA_SPECS): Handle STARTFILE_VTV_SPEC, ENDFILE_VTV_SPEC. * gcc.c (LINK_COMMAND_SPEC): Move VTABLE_VERIFICATION_SPEC after %{L*}. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230865 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28SH FDPIC backend supportRich Felker2-0/+36
gcc/ChangeLog * config.gcc: Handle --enable-fdpic. * config/sh/constraints.md (Ccl): New constraint. * config/sh/linux.h (SUBTARGET_LINK_EMUL_SUFFIX): Handle -mfdpic. * config/sh/sh-c.c (sh_cpu_cpp_builtins): Add __FDPIC__ and __SH_FDPIC__. * config/sh/sh-mem.cc (expand_block_move): Support FDPIC for calls to library functions. * config/sh/sh-protos.h (function_symbol_result): New struct. (function_symbol): Return function_symbol_result. (sh_get_fdpic_reg_initial_val, sh_load_function_descriptor): New declarations. * config/sh/sh.c (TARGET_ASM_INTEGER, sh_assemble_integer): Implement target hook. (TARGET_CANNOT_FORCE_CONST_MEM, sh_cannot_force_const_mem_p): Likewise. (sh_option_override): Force -fPIC if FDPIC is in effect. (sh_asm_output_addr_const_extra): Add UNSPEC_GOTFUNCDESC and UNSPEC_GOTOFFFUNCDESC cases. (prepare_move_operands): Use FDPIC initial GOT register for TLS-related GOT access; inhibit cross-section address offset constants for FDPIC. (sh_assemble_integer): New function. (sh_cannot_copy_insn_p): Inhibit copying insns that are FDPIC PC-relative call sites. (expand_ashiftrt): Adapt invocation of function_symbol. (sh_expand_prologue): Inhibit PC-relative GOT address load for FDPIC. (nonpic_symbol_mentioned_p): Add cases for UNSPEC_GOTFUNCDESC and UNSPEC_GOTOFFFUNCDESC. (legitimize_pic_address): Resolve function symbols to function descriptors for FDPIC. Do not use GOT-relative addressing for local data that may be read-only on FDPIC. (sh_emit_storesi, sh_emit_storehi): New functions. (sh_trampoline_init): Generate FDPIC trampolines. (sh_function_ok_for_sibcall): Add TARGET_FDPIC check. (sh_expand_sym_label2reg): Don't assume sibcalls are local. (sh_output_mi_thunk): Generate FDPIC call. (function_symbol): Return function_symbol_result. For SFUNC_STATIC on FDPIC, generate call site labels to use PC-relative addressing rather than GOT-relative addressing. (sh_conditional_register_usage): Make PIC register fixed and call used when FDPIC is in effect. (sh_legitimate_constant_p): Impose FDPIC constant constraints. (sh_cannot_force_const_mem_p, sh_load_function_descriptor) (sh_get_fdpic_reg_initial_val): New functions. * config/sh/sh.h (SUBTARGET_ASM_SPEC, SUBTARGET_LINK_EMUL_SUFFIX): Handle -mfdpic. (FDPIC_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS) (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED) (SH_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macros. (DRIVER_SELF_SPECS): Add SUBTARGET_DRIVER_SELF_SPECS and FDPIC_SELF_SPECS. (TRAMPOLINE_SIZE): Select trampoline size for FDPIC. (ASM_PREFERRED_EH_DATA_FORMAT): Add EH format constraints for FDPIC. (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Handle FDPIC case. * config/sh/sh.md (UNSPEC_GOTFUNCDESC, UNSPEC_GOTOFFFUNCDESC): New constants. (calli_fdpic, call_valuei_fdpic, sibcalli_fdpic) (sibcalli_pcrel_fdpic, sibcall_pcrel_fdpic, sibcall_valuei_fdpic) (sibcall_valuei_pcrel_fdpic, sibcall_value_pcrel_fdpic) (sym2GOTFUNCDESC, symGOTFUNCDESC2reg, sym2GOTOFFFUNCDESC) (symGOTOFFFUNCDESC2reg): New patterns. (udivsi3_i1, udivsi3_i4, udivsi3_i4_single, udivsi3, *divsi_inv_call_combine, divsi3_i4, divsi3_i4_single, divsi3) (ashlsi3, ashlsi3_d_call, ashrsi3_n, lshrsi3, lshrsi3_d_call) (calli, call_valuei, call, call_value, sibcalli, sibcalli_pcrel) (sibcall_pcrel, sibcall, sibcall_valuei, sibcall_valuei_pcrel) (sibcall_value_pcrel, sibcall_value, GOTaddr2picreg, symGOT_load) (symGOTOFF2reg, block_move_real, block_lump_real) (block_move_real_i4, block_lump_real_i4): Add support for FDPIC calls. (mulsi3, ic_invalidate_line, initialize_trampoline, call_pop, call_value_pop): Adjust for new function_symbol signature. * config/sh/sh.opt (-mfdpic): New option. * doc/install.texi (Options specification): Document --enable-fdpic. * doc/invoke.texi (SH Options): Document -mfdpic. include/ChangeLog: * longlong.h (udiv_qrnnd): Add FDPIC compatible version for SH. libitm/ChangeLog: * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling GTM_begin_transaction for compatibility with FDPIC. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229438 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28PR other/61321 - demangler crash on casts in template parametersPedro Alves5-8/+81
The fix for bug 59195: [C++ demangler handles conversion operator incorrectly] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59195 unfortunately makes the demangler crash due to infinite recursion, in case of casts in template parameters. For example, with: template<int> struct A {}; template <typename Y> void function_temp(A<sizeof ((Y)(999))>) {} template void function_temp<int>(A<sizeof (int)>); The 'function_temp<int>' instantiation above mangles to: _Z13function_tempIiEv1AIXszcvT_Li999EEE The demangler parses this as: typed name template name 'function_temp' template argument list builtin type int function type builtin type void argument list template (*) name 'A' template argument list unary operator operator sizeof unary operator cast template parameter 0 (**) literal builtin type int name '999' And after the fix for 59195, due to: static void d_print_cast (struct d_print_info *dpi, int options, const struct demangle_component *dc) { ... /* For a cast operator, we need the template parameters from the enclosing template in scope for processing the type. */ if (dpi->current_template != NULL) { dpt.next = dpi->templates; dpi->templates = &dpt; dpt.template_decl = dpi->current_template; } when printing the template argument list of A (what should be "<sizeof (int)>"), the template parameter 0 (that is, "T_", the '**' above) now refers to the first parameter of the the template argument list of the 'A' template (the '*' above), exactly what we were already trying to print. This leads to infinite recursion, and stack exaustion. The template parameter 0 should actually refer to the first parameter of the 'function_temp' template. Where it reads "for the cast operator" in the comment in d_print_cast (above), it's really talking about a conversion operator, like: struct A { template <typename U> explicit operator U(); }; We don't want to inject the template parameters from the enclosing template in scope when processing a cast _expression_, only when handling a conversion operator. The problem is that DEMANGLE_COMPONENT_CAST is currently ambiguous, and means _both_ 'conversion operator' and 'cast expression'. Fix this by adding a new DEMANGLE_COMPONENT_CONVERSION component type, which does what DEMANGLE_COMPONENT_CAST does today, and making DEMANGLE_COMPONENT_CAST just simply print its component subtree. I think we could instead reuse DEMANGLE_COMPONENT_CAST and in d_print_comp_inner still do: @@ -5001,9 +5013,9 @@ d_print_comp_inner (struct d_print_info *dpi, int options, d_print_comp (dpi, options, dc->u.s_extended_operator.name); return; case DEMANGLE_COMPONENT_CAST: d_append_string (dpi, "operator "); - d_print_cast (dpi, options, dc); + d_print_conversion (dpi, options, dc); return; leaving the unary cast case below calling d_print_cast, but seems to me that spliting the component types makes it easier to reason about the code. g++'s testsuite actually generates three symbols that crash the demangler in the same way. I've added those as tests in the demangler testsuite as well. And then this fixes PR other/61233 too, which happens to be a demangler crash originally reported to GDB, at: https://sourceware.org/bugzilla/show_bug.cgi?id=16957 Bootstrapped and regtested on x86_64 Fedora 20. Also ran this through GDB's testsuite. GDB will require a small update to use DEMANGLE_COMPONENT_CONVERSION in one place it's using DEMANGLE_COMPONENT_CAST in its sources. libiberty/ 2015-11-27 Pedro Alves <palves@redhat.com> PR other/61321 PR other/61233 * demangle.h (enum demangle_component_type) <DEMANGLE_COMPONENT_CONVERSION>: New value. * cp-demangle.c (d_demangle_callback, d_make_comp): Handle DEMANGLE_COMPONENT_CONVERSION. (is_ctor_dtor_or_conversion): Handle DEMANGLE_COMPONENT_CONVERSION instead of DEMANGLE_COMPONENT_CAST. (d_operator_name): Return a DEMANGLE_COMPONENT_CONVERSION component if handling a conversion. (d_count_templates_scopes, d_print_comp_inner): Handle DEMANGLE_COMPONENT_CONVERSION. (d_print_comp_inner): Handle DEMANGLE_COMPONENT_CONVERSION instead of DEMANGLE_COMPONENT_CAST. (d_print_cast): Rename as ... (d_print_conversion): ... this. Adjust comments. (d_print_cast): Rewrite - simply print the left subcomponent. * cp-demint.c (cplus_demangle_fill_component): Handle DEMANGLE_COMPONENT_CONVERSION. * testsuite/demangle-expected: Add tests. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231020 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28libiberty TAGSMike Stump2-1/+5
* Makefile.in (etags tags TAGS): Use && instead of ;. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230270 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28(Makefiles): PATCH to include libcpp and libiberty in GCC etagsJason Merrill2-5/+7
gcc/c/ * Make-lang.in (c.tags): Also include libcpp TAGS. gcc/cp/ * Make-lang.in (c++.tags): Also include libcpp TAGS. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229504 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28Fix PR63758 by using the _NSGetEnviron() API on DarwinIain Sandoe6-12/+55
include/ Roland McGrath <roland@gnu.org> PR other/63758 * environ.h: New file. libiberty/ Roland McGrath <roland@gnu.org> Iain Sandoe <iain@codesourcery.com> PR other/63758 * pex-unix.c: Obtain the environment interface from settings in environ.h rather than in-line code. Update copyright date. * setenv.c: Likewise. * xmalloc.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228942 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28Implement N4514, C++ Extensions for Transactional Memory.Jason Merrill4-5/+45
gcc/ * builtins.def (BUILT_IN_ABORT): Add transaction_pure attribute. gcc/c-family/ * c-common.c (c_common_reswords): Add C++ TM TS keywords. (c_common_attribute_table): Add transaction_safe_dynamic. transaction_safe now affects type identity. (handle_tm_attribute): Handle transaction_safe_dynamic. * c-common.h (enum rid): Add RID_ATOMIC_NOEXCEPT, RID_ATOMIC_CANCEL, RID_SYNCHRONIZED. (OBJC_IS_CXX_KEYWORD): Add RID_SYNCHRONIZED. (D_TRANSMEM): New. * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_transactional_memory. * c-pretty-print.c (pp_c_attributes_display): Don't print transaction_safe in C++. gcc/c/ * c-parser.c (c_lex_one_token): Handle @synchronized. * c-decl.c (match_builtin_function_types): A declaration of a built-in can change whether the function is transaction_safe. gcc/cp/ * cp-tree.h (struct cp_declarator): Add tx_qualifier field. (BCS_NORMAL, BCS_TRANSACTION): New enumerators. * lex.c (init_reswords): Limit TM kewords to -fgnu-tm. * parser.c (cp_lexer_get_preprocessor_token): Fix @synchronized. (make_call_declarator): Take tx_qualifier. (cp_parser_tx_qualifier_opt): New. (cp_parser_lambda_declarator_opt): Use it. (cp_parser_direct_declarator): Likewise. (cp_parser_statement): Handle atomic_noexcept, atomic_cancel. (cp_parser_compound_statement): Change in_try parameter to bcs_flags. (cp_parser_std_attribute): Map optimize_for_synchronized to transaction_callable. (cp_parser_transaction): Take the token. Handle atomic_noexcept. * lambda.c (maybe_add_lambda_conv_op): Handle transaction-safety. * call.c (enum conversion_kind): Add ck_tsafe. (standard_conversion): Handle transaction-safety conversion. (convert_like_real, resolve_address_of_overloaded_function): Likewise. (check_methods): Diagnose transaction_safe_dynamic on non-virtual function. (look_for_tm_attr_overrides): Don't inherit transaction_safe_dynamic. * cvt.c (tx_safe_fn_type_p, tx_unsafe_fn_variant) (can_convert_tx_safety): New. * typeck.c (composite_pointer_type): Handle transaction-safety. * name-lookup.h (enum scope_kind): Add sk_transaction. * name-lookup.c (begin_scope): Handle it. * semantics.c (begin_compound_stmt): Pass it. * decl.c (check_previous_goto_1): Check it. (struct named_label_entry): Add in_transaction_scope. (poplevel_named_label_1): Set it. (check_goto): Check it. (duplicate_decls): A specialization can be transaction_safe independently of its template. (grokdeclarator): Handle tx-qualifier. * rtti.c (ptr_initializer): Handle transaction-safe. * search.c (check_final_overrider): Check transaction_safe_dynamic. Don't check transaction_safe. * mangle.c (write_function_type): Mangle transaction_safe here. (write_CV_qualifiers_for_type): Not here. (write_type): Preserve transaction_safe when stripping attributes. * error.c (dump_type_suffix): Print transaction_safe. libiberty/ * cp-demangle.c (d_cv_qualifiers): Dx means transaction_safe. (cplus_demangle_type): Let d_cv_qualifiers handle it. (d_dump, d_make_comp, has_return_type, d_encoding) (d_count_templates_scopes, d_print_comp_inner) (d_print_mod_list, d_print_mod, d_print_function_type) (is_ctor_or_dtor): Handle DEMANGLE_COMPONENT_TRANSACTION_SAFE. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228462 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28Fix several crashes of C++ demangler on fuzzed input.Mikhail Maltsev4-8/+94
libiberty/ * cp-demangle.c (d_dump): Fix syntax error. (d_identifier): Adjust type of len to match d_source_name. (d_expression_1): Fix out-of-bounds access. Check code variable for NULL before dereferencing it. (d_find_pack): Do not recurse for FIXED_TYPE, DEFAULT_ARG and NUMBER. (d_print_comp_inner): Add NULL pointer check. * cp-demangle.h (d_peek_next_char): Define as inline function when CHECK_DEMANGLER is defined. (d_advance): Likewise. * testsuite/demangle-expected: Add new testcases. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225727 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28Avoid "enum conversion when passing argument 1 of 'getrusage' is invalid in ↵Uros Bizjak2-7/+7
C++" warning * getruntime.c (RUSAGE_SELF): Define if not already defined. (get_runtime): Use RUSAGE_SELF as argument 1 of getrusage call. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225614 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28Avoid "enum conversion when passing argument 1 of 'getrusage' is invalid in ↵Uros Bizjak2-0/+9
C++" warning * getruntime.c (get_run_time) [__USE_GNU]: Use RUSAGE_SELF as argument 1 of getrusage call. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225534 138bc75d-0d04-0410-961f-82ee72b054a4
2015-11-28Automatic date update in version.inGDB Administrator1-1/+1
2015-11-27[AArch64][PATCH 3/3] Add floating-point FP16 instructionsMatthew Wahab8-682/+1292
ARMv8.2 adds 16-bit floating point operations as an optional extension to the ARMv8 FP support. This patch adds the new FP16 instructions, making them available when the architecture extension +fp+fp16 is specified. The instructions added are: - Comparisons and conditionals: FCMP, FCCMPE, FCMP, FCMPE and FCSEL. - Arithmetic: FABS, FNEG, FSQRT, FMUL, FDIV, FADD, FSUB, FMADD, FMSUB, FNMADD and FNMSUB. - Rounding: FRINTN, FRINTP, FRINTM, FRINTZ, FRINTA, FRINTX and FRINTI. - Conversions: SCVTF (fixed-point), SCVTF (integer), UCVTF (fixed-point) UCVTF (integer), FCVTZS (fixed-point), FCVTZS (integer), FCVTZU (fixed-point), FCVTZU (integer), FCVTNS, FCVTNU, FCVTAS, FCVTAU, FCVTPS, FCVTPU, FCVTMS and FCVTMU. - Scalar FMOV: immediate, general and register gas/testsuite/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * gas/aarch64/float-fp16.d: New. * gas/aarch64/float-fp16.s: New. opcodes/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64-asm-2.c: Regenerate. * aarch64-dis-2.c: Regenerate. * aarch64-opc-2.c: Regenerate. * aarch64-tbl.h (QL_FIX2FP_H, QL_FP2FIX_H): New. (QL_INT2FP_H, QL_FP2INT_H): New. (QL_FP2_H, QL_FP3_H, QL_FP4_H): New (QL_DST_H): New. (QL_FCCMP_H): New. (aarch64_opcode_table): Add 16-bit variants of scvt, ucvtf, fcvtzs, fcvtzu, fcvtns, fcvtnu, scvtf, ucvtf, fcvtas, fcvtau, fmov, fcvtpos, fcvtpu, fcvtms, fcvtmu, fcvtzs, fcvtzu, fccmp, fccmpe, fcmp, fcmpe, fabs, fneg, fsqrt, frintn, frintp, frintm, frintz, frinta, frintx, frinti, fmul, fdiv, fadd, fsub, fmax, fmin, fmaxnm, fminnm, fnmul, fmadd, fmsub, fnmadd, fnmsub and fcsel. Change-Id: Ie6d40bd1b215a9bc024e12ba75e52afbe1675eb7
2015-11-27[AArch64][PATCH 2/3] Adjust a utility function for floating point values.Matthew Wahab2-7/+37
ARMv8.2 adds 16-bit floating point operations as an optional extension. This patch adjusts the utility function expand_fp_imm to support 16-bit values. The function is intended to convert an 8-bit immediate representing a floating point value to a representation that can be passed to fprintf. Because of the limited use of the results, the only change made to the function is to treat a request for a 16-bit float as a request for a 32-bit float. opcodes/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64-opc.c (half_conv_t): New. (expand_fp_imm): Replace is_dp flag with the parameter size to specify the number of bytes for the required expansion. Treat a 16-bit expansion like a 32-bit expansion. Add check for an unsupported size request. Update comment. (aarch64_print_operand): Update to support 16-bit floating point values. Update for changes to expand_fp_imm. Change-Id: I1ae3df3864be375d71925197ab03397ed1ad2d15
2015-11-27[AArch64][PATCH 1/3] Support ARMv8.2 FP16 floating point instructions.Matthew Wahab2-0/+8
ARMv8.2 adds 16-bit floating point operations as an optional extension to the ARMv8 FP support. This patch set adds support for the 16-bit FP instructions to binutils, enabling the instructions when both +fp and +fp16 architecture extensions are enabled. The patches in this series: - Add a feature macro for use by the encoding/decoding mechanism. - Adjust a utility function, used when disassembling, to support 16-bit floating point values. - Add the new scalar floating-point instructions. This patch adds the feature macro FP_F16 to the AArch64 encoding/decoding mechanism, enabling it when both +fp and +fp16 are selected. opcodes/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64-tbl.h (aarch64_feature_fp_f16): New. (FP_F16): New. Change-Id: Ie370e43e3d77a7d54b4416b4be901b363a37f3d5
2015-11-27[AArch64] Add ARMv8.2 instruction alias REV64.Matthew Wahab8-768/+814
This patch adds the alias REV64 <Rd>, <Rs> as an alias for REV <Rd>, <Rs>. However, REV is still the preferred form for the instruction. gas/testsuite/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * gas/aarch64/alias-2.d: Add tests for REV. * gas/aarch64/alias-2.s: Likewise. opcodes/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64-asm-2.c: Regenerate. * aarch64-dis-2.c: Regenerate. * aarch64-opc-2.c: Regenerate. * aarch64-tbl.h (aarchr64_opcode_table): Update "rev", add "rev64". Change-Id: I331567c8d3618ba9fec1673c6e0b5977222dde61
2015-11-27[AArch64] Add ARMv8.2 instructions BFC and REV64.Matthew Wahab13-861/+1106
ARMv8.2 adds two new instructions: BFC as an alias for BFM and REV64 as an alias for REV. This patch set adds support for these to binutils, enabled when the -march=armv8.2-a is given. It depends on the support for an instruction being its preferred form which was added in an earlier patch. This patch adds the alias BFC <Rd>, #<imm>, #<width> as the preferred form for BFM when the source is a zero register and the conditions for using the BFI form are met (in other words, BFC is the preferred form for BFI <Rd>, <Rs>, #<imm>, #<width> when the <Rs> is a zero register). gas/testsuite/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * gas/aarch64/alias-2.d: New. * gas/aarch64/alias-2.s: New. include/opcode/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64.h (aarch64_op): Add OP_BFC. opcodes/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64-asm-2.c: Regenerate. * aarch64-asm.c (convert_bfc_to_bfm): New. (convert_to_real): Add case for OP_BFC. * aarch64-dis-2.c: Regenerate. * aarch64-dis.c: (convert_bfm_to_bfc): New. (convert_to_alias): Add case for OP_BFC. * aarch64-opc-2.c: Regenerate. * aarch64-opc.c (operand_general_constraint_met_p): Weaken assert to allow width operand in three-operand instructions. * aarch64-tbl.h (QL_BF1): New. (aarch64_feature_v8_2): New. (ARMV8_2): New. (aarch64_opcode_table): Add "bfc". Change-Id: I6efe318b2538ba11f0caece7c6d70957441c872b
2015-11-27remote.c: Add missing castSimon Marchi2-1/+5
Fixes in C++: /home/emaisin/src/binutils-gdb/gdb/remote.c: In function ‘void start_thread(gdb_xml_parser*, const gdb_xml_element*, void*, VEC_gdb_xml_value_s*)’: /home/emaisin/src/binutils-gdb/gdb/remote.c:2975:59: error: invalid conversion from ‘void*’ to ‘const char*’ [-fpermissive] item.name = attr != NULL ? (char *) xstrdup (attr->value) : NULL; ^ In file included from /home/emaisin/src/binutils-gdb/gdb/common/common-defs.h:64:0, from /home/emaisin/src/binutils-gdb/gdb/defs.h:28, from /home/emaisin/src/binutils-gdb/gdb/remote.c:22: /home/emaisin/src/binutils-gdb/gdb/../include/libiberty.h:323:14: error: initializing argument 1 of ‘char* xstrdup(const char*)’ [-fpermissive] extern char *xstrdup (const char *) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL; ^ make[2]: *** [remote.o] Error 1 gdb/ChangeLog: * remote.c (start_thread): Add cast.
2015-11-27[AArch64] Let aliased instructions be their preferred form.Matthew Wahab5-2/+202
Although the AArch64 backend supports aliased instructions, the aliasing forms are always preferred over the real instruction. This makes it awkward to handle instructions which have aliases but which are their own preferred form. This patch includes the instruction being aliased in the list of alternatives which is searched when considering which form to use. opcodes/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64-asm-2.c: Regenerate. * aarch64-dis-2.c: Regenerate. * aarch64-dis.c: Weaken assert. * aarch64-gen.c: Include the instruction in the list of its possible aliases. Change-Id: I1f23eb25fccef76a64d3d732d58761bd25fad94e
2015-11-27[AArch64] Only check breakpoint alignment on insertingYao Qi2-7/+21
This patch fixes the GDB internal error on AArch64 when running watchpoint-fork.exp top?bt 15 internal_error (file=file@entry=0x79d558 "../../binutils-gdb/gdb/linux-nat.c", line=line@entry=4866, fmt=0x793b20 "%s: Assertion `%s' failed.") at ../../binutils-gdb/gdb/common/errors.c:51 #1 0x0000000000495bc4 in linux_nat_thread_address_space (t=<optimized out>, ptid=<error reading variable: Cannot access memory at address 0x1302>) at ../../binutils-gdb/gdb/linux-nat.c:4866 #2 0x00000000005db2c8 in delegate_thread_address_space (self=<optimized out>, arg1=<error reading variable: Cannot access memory at address 0x1302>) at ../../binutils-gdb/gdb/target-delegates.c:2447 #3 0x00000000005e8c7c in target_thread_address_space (ptid=<error reading variable: Cannot access memory at address 0x1302>) at ../../binutils-gdb/gdb/target.c:2727 #4 0x000000000054eef8 in get_thread_arch_regcache (ptid=..., gdbarch=0xad51e0) at ../../binutils-gdb/gdb/regcache.c:529 #5 0x000000000054efcc in get_thread_regcache (ptid=...) at ../../binutils-gdb/gdb/regcache.c:546 #6 0x000000000054f120 in get_thread_regcache_for_ptid (ptid=...) at ../../binutils-gdb/gdb/regcache.c:560 #7 0x00000000004a2278 in aarch64_point_is_aligned (is_watchpoint=0, addr=34168, len=2) at ../../binutils-gdb/gdb/nat/aarch64-linux-hw-point.c:122 #8 0x00000000004a2e68 in aarch64_handle_breakpoint (type=hw_execute, addr=34168, len=2, is_insert=0, state=0xae8880) at ../../binutils-gdb/gdb/nat/aarch64-linux-hw-point.c:465 #9 0x000000000048edf0 in aarch64_linux_remove_hw_breakpoint (self=<optimized out>, gdbarch=<optimized out>, bp_tgt=<optimized out>) at ../../binutils-gdb/gdb/aarch64-linux-nat.c:657 #10 0x00000000005da8dc in delegate_remove_hw_breakpoint (self=<optimized out>, arg1=<optimized out>, arg2=<optimized out>) at ../../binutils-gdb/gdb/target-delegates.c:492 #11 0x0000000000536a24 in bkpt_remove_location (bl=<optimized out>) at ../../binutils-gdb/gdb/breakpoint.c:13065 #12 0x000000000053351c in remove_breakpoint_1 (bl=0xb3fe70, is=is@entry=mark_inserted) at ../../binutils-gdb/gdb/breakpoint.c:4026 #13 0x000000000053ccc0 in detach_breakpoints (ptid=...) at ../../binutils-gdb/gdb/breakpoint.c:3930 #14 0x00000000005a3ac0 in handle_inferior_event_1 (ecs=0x7ffffff048) at ../../binutils-gdb/gdb/infrun.c:5042 After the fork, GDB will physically remove the breakpoints from the child process (in frame #14), but at that time, GDB doesn't create an inferior yet for child, but inferior_ptid is set to child's ptid (in frame #13). In aarch64_point_is_aligned, we'll get the regcache of current_lwp_ptid to determine if the current process is 32-bit or 64-bit, so the inferior can't be found, and the internal error is caused. I don't find a better fix other than not checking alignment on removing breakpoint. gdb: 2015-11-27 Yao Qi <yao.qi@linaro.org> * nat/aarch64-linux-hw-point.c (aarch64_dr_state_remove_one_point): Don't assert on alignment. (aarch64_handle_breakpoint): Only check alignment when IS_INSERT is true.
2015-11-27New test gdb.arch/arm-neon.expYao Qi3-0/+169
Both ARM and AArch64 have defined some SIMD data types in arm_neon.h, but we don't have a test case for passing them and returning them in inferior call. This test also covers passing and returning homogeneous short vector aggregate (defined by AArch64 ABI document) in inferior call too. gdb/testsuite: * gdb.arch/arm-neon.exp: New. * gdb.arch/arm-neon.c: New.
2015-11-27[AArch64] Handle HFA and HVA togetherYao Qi2-17/+29
AArch64 AAPCS defined HFA (homogeneous floating-point aggregate) and HVF (homogeneous short vector aggregate), bug GDB only handles the former. In the AAPCS doc, both types are treated exactly the same in terms of alignment and passing locations (on registers or stack). This patch is to extend is_hfa to handle both HFA and HVA. gdb: 2015-11-27 Yao Qi <yao.qi@linaro.org> * aarch64-tdep.c (is_hfa): Rename to ... (is_hfa_or_hva): ... this. Handle vector type. All callers updated. (aarch64_extract_return_value): Update debugging message. (aarch64_store_return_value): Likewise. (aarch64_return_in_memory): Update comments.
2015-11-27[AArch64] Support gnu vector in inferior callYao Qi2-0/+48
As defined in AArch64 AAPCS, short vectors are passed through V registers, and its maximum alignment is 16-byte. This patch is to reflect these rules in GDB. This patch fixes some fails in gdb.base/gnu_vector.exp. gdb: 2015-11-27 Yao Qi <yao.qi@linaro.org> * aarch64-tdep.c (aarch64_type_align): For vector type, return its length, but with the maximum of 16 bytes. (is_hfa): Return zero for vector type. (aarch64_push_dummy_call): Handle short vectors. (aarch64_extract_return_value): Likewise. (aarch64_store_return_value): Likewise.
2015-11-27Use multi_line to make pattern more human readableYao Qi2-5/+97
gdb/testsuite: 2015-11-27 Yao Qi <yao.qi@linaro.org> * gdb.cp/annota2.exp: Rewrite the pattern using multi_line.
2015-11-27Allow multiple occurrences of the frames-invalid annotation in ↵Yao Qi2-1/+6
gdb.cp/annota2.exp Hi, I see one fail on aarch64-linux testing, FAIL: gdb.cp/annota2.exp: watch triggered on a.x (timeout) because GDB prints two frames-invalid annotation but the test expects only one. next^M ^M ^Z^Zpost-prompt^M ^M ^Z^Zstarting^M ^M ^Z^Zframes-invalid^M ^M ^Z^Zframes-invalid^M ^M Note I also see the fail on Debian-s390x-m64 too. https://sourceware.org/ml/gdb-testers/2015-q4/msg07291.html The test shouldn't only expect one frames-invalid annotation, because there can be multiple times of stop/resume before the user visible stop. Ulrich did something similar before https://www.sourceware.org/ml/gdb-patches/2009-06/msg00118.html This patch only changes ${frames_invalid} to \(${frames_invalid}\)* in the regexp pattern. The patch below fixes the fail on aarch64-linux. gdb/testsuite: 2015-11-27 Yao Qi <yao.qi@linaro.org> * gdb.cp/annota2.exp: Allow multiple occurrences of the frames-invalid annotation.
2015-11-27Use ${frames_invalid} in gdb.cp/annota2.expYao Qi2-1/+5
Variable frames_invalid was defined, but wasn't used much. This patch is to replace the literals in the regexp with ${frames_invalid}. gdb/testsuite: 2015-11-27 Yao Qi <yao.qi@linaro.org> * gdb.cp/annota2.exp: Use ${frames_invalid}.
2015-11-27[Aarch64] Support an ARMv8.2 system register.Matthew Wahab5-0/+42
ARMv8.2 adds a new system register id_aa64mmfr2_el1. This patch adds support for the register to binutils, making it available when -march=armv8.2-a is selected. opcodes/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64-opc.c (aarch64_sys_regs): Add "id_aa64mmfr2_el1". (aarch64_sys_reg_supported_p): Add ARMv8.2 system register feature test. gas/testsuite/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * gas/aarch64/sysreg-2.d: New. * gas/aarch64/sysreg-2.s: New. Change-Id: I767f18a60e2bd70ce74c89f6abfe07afdc9e601f
2015-11-27[AArch64] Add feature flags and command line for ARMv8.2 FP16 support.Matthew Wahab5-0/+18
ARMv8.2 adds optional support for 16-bit operations to the FP and Adv.SIMD instructions. This patch adds a feature macro for this support with a new command line option "+fp16" to enable/disable it. Although the command line option is added as an architecture extension, it only affects instructions available with when +fp or +simd is enabled. If +fp16 is specified then it will also enable +fp. There are currently no FP16 instructions implemented in binutils, this patch is to enable subsequent work on supporting the extension. gas/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * config/tc-aarch64.c (aarch64_features): Add "fp16". * doc/c-aarch64.texi (Architecture Extensions): Add "fp16". include/opcode/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64.h (AARCH64_FEATURE_F16): New. (AARCH64_ARCH_V8_2): Add AARCH64_FEATURE_F16 to ARMv8.2 features. Change-Id: Id2021e0513946e16d0935c2a5b9605574cdff95a
2015-11-27Automatic date update in version.inGDB Administrator1-1/+1
2015-11-26Adjust ChangeLog entrySimon Marchi1-1/+1
Par Olsson was the original author of the fix, so change the name in the ChangeLog to give him the credit.
2015-11-26Add test for thread namesSimon Marchi4-0/+144
I couldn't find a test that verified the thread name functionality, so I created a new one. A target board can define gdb,no_thread_names if it doesn't support thread names and wants to skip the tests that uses them. This test has been made with Linux in mind. Not all platforms use pthread_setname_np to set the thread name, but some #ifdefs can be added later in order to support other platforms. Tested on x86-64 Ubuntu 14.04, native and remote. gdb/testsuite/ChangeLog: * gdb.threads/names.exp: New file. * gdb.threads/names.c: New file. * README: Mention gdb,no_thread_names.
2015-11-26Display names of remote threadsSimon Marchi13-46/+142
This patch adds support for thread names in the remote protocol, and updates gdb/gdbserver to use it. The information is added to the XML description sent in response to the qXfer:threads:read packet. gdb/ChangeLog: * linux-nat.c (linux_nat_thread_name): Replace implementation by call to linux_proc_tid_get_name. * nat/linux-procfs.c (linux_proc_tid_get_name): New function, implementation inspired by linux_nat_thread_name. * nat/linux-procfs.h (linux_proc_tid_get_name): New declaration. * remote.c (struct private_thread_info) <name>: New field. (free_private_thread_info): Free name field. (remote_thread_name): New function. (thread_item_t) <name>: New field. (clear_threads_listing_context): Free name field. (start_thread): Get name xml attribute. (thread_attributes): Add "name" attribute. (remote_update_thread_list): Copy name field. (init_remote_ops): Assign remote_thread_name callback. * target.h (target_thread_name): Update comment. * NEWS: Mention remote thread name support. gdb/gdbserver/ChangeLog: * linux-low.c (linux_target_ops): Use linux_proc_tid_get_name. * server.c (handle_qxfer_threads_worker): Refactor to include thread name in reply. * target.h (struct target_ops) <thread_name>: New field. (target_thread_name): New macro. gdb/doc/ChangeLog: * gdb.texinfo (Thread List Format): Mention thread names.
2015-11-26Constify thread name return pathSimon Marchi7-12/+23
Since this code path returns a string owned by the target (we don't know how it's allocated, could be a static read-only string), it's safer if we return a constant string. If, for some reasons, the caller wishes to modify the string, it should make itself a copy. gdb/ChangeLog: * linux-nat.c (linux_nat_thread_name): Constify return value. * target.h (struct target_ops) <to_thread_name>: Likewise. (target_thread_name): Likewise. * target.c (target_thread_name): Likewise. * target-delegates.c (debug_thread_name): Regenerate. * python/py-infthread.c (thpy_get_name): Constify local variables. * thread.c (print_thread_info): Likewise. (thread_find_command): Likewise.
2015-11-26btrace: diagnose "record btrace pt" without libiptMarkus Metzger4-0/+19
If GDB has been configured without libipt support, i.e. HAVE_LIBIPT is undefined, and is running on a system that supports Intel(R) Processor Trace, GDB will run into an internal error when trying to decode the trace. (gdb) record btrace (gdb) s usage (name=0x7fffffffe954 "fib-64") at src/fib.c:12 12 fprintf(stderr, "usage: %s <num>\n", name); (gdb) info record Active record target: record-btrace Recording format: Intel(R) Processor Trace. Buffer size: 16kB. gdb/btrace.c:971: internal-error: Unexpected branch trace format. A problem internal to GDB has been detected, further debugging may prove unreliable. Quit this debugging session? (y or n) This requires a system with Linux kernel 4.1 or later running on a 5th Generation Intel Core processor or later. The issue is documented as PR 19297. When trying to enable branch tracing, in addition to checking the target support for the requested branch tracing format, also check whether GDB supports. it. gdb/ * btrace.c (btrace_enable): Check whether HAVE_LIBIPT is defined. testsuite/ * lib/gdb.exp (skip_btrace_pt_tests): Check for a "GDB does not support" error.
2015-11-26Automatic date update in version.inGDB Administrator1-1/+1
2015-11-25Import zlib 1.2.8 with local change merged in.Joel Brobecker89-455/+3770
ChangeLog: * zlib: Update to zlib 1.2.8 with local changes merged in.
2015-11-25Adjust local symbol value in relocatable link to be relative to section.Cary Coutant2-2/+12
gold/ PR gold/19291 * object.cc (Sized_relobj_file::write_local_symbols): If relocatable, subtract section address from symbol value.
2015-11-25[GOLD] Align PowerPC64 GOTAlan Modra2-1/+9
As done in a27e685f for bfd ld. * powerpc.cc (Output_data_got_powerpc::Output_data_got_powerpc): Align to 256 byte boundary.
2015-11-25Automatic date update in version.inGDB Administrator1-1/+1
2015-11-24[GAS, ARM] Invalid LDR immediate transformationChristophe Monat7-3/+78
2015-11-24 Christophe Monat <christophe.monat@st.com> * config/tc-arm.c (move_or_literal_pool): Do not transform ldr ri,=imm into movs when ri is a high register in T1. 2015-11-24 Christophe Monat <christophe.monat@st.com> * gas/arm/thumb2_ldr_immediate_armv6t2.s: Added high register tests. * gas/arm/thumb2_ldr_immediate_armv6t2.d: Accounted for new test cases. * gas/arm/thumb2_ldr_immediate_highregs_armv6t2.s: New. * gas/arm/thumb2_ldr_immediate_highregs_armv6t2.d: New.
2015-11-24NEWS: "info" commands now list in ascending orderPedro Alves2-0/+9
gdb/ChangeLog: 2015-11-24 Pedro Alves <palves@redhat.com> * NEWS: Mention that a few "info" commands now list the corresponding items in ascending ID order.
2015-11-24List displays in ascending orderPedro Alves5-10/+71
Before: (gdb) info display Auto-display expressions now in effect: Num Enb Expression 3: y 1 2: y 1 1: y 1 After: (gdb) info display Auto-display expressions now in effect: Num Enb Expression 1: y 1 2: y 1 3: y 1 gdb/ChangeLog: 2015-11-24 Pedro Alves <palves@redhat.com> PR 17539 * printcmd.c (display_command): Append new display at the end of the list. gdb/testsuite/ChangeLog: 2015-11-24 Pedro Alves <palves@redhat.com> PR 17539 * gdb.base/display.exp: Expect displays to be sorted in ascending order. Use multi_line. * gdb.base/solib-display.exp: Likewise.
2015-11-24List checkpoints in ascending orderPedro Alves4-7/+45
Before: (gdb) info checkpoints 3 process 29132 at 0x4008ad, file foo.c, line 81 2 process 29131 at 0x4008ad, file foo.c, line 81 1 process 29130 at 0x4008ad, file foo.c, line 81 * 0 Thread 0x7ffff7fc5740 (LWP 29128) (main process) at 0x4008ad, file foo.c, line 81 After: (gdb) info checkpoints * 0 Thread 0x7ffff7fc5740 (LWP 29128) (main process) at 0x4008ad, file foo.c, line 81 1 process 29130 at 0x4008ad, file foo.c, line 81 2 process 29131 at 0x4008ad, file foo.c, line 81 3 process 29132 at 0x4008ad, file foo.c, line 81 gdb/ChangeLog: 2015-11-24 Pedro Alves <palves@redhat.com> PR 17539 * printcmd.c (display_command): Append new display at the end of the list. gdb/testsuite/ChangeLog: 2015-11-24 Pedro Alves <palves@redhat.com> PR 17539 * gdb.base/display.exp: Expect displays to be sorted in ascending order. Use multi_line. * gdb.base/solib-display.exp: Likewise.
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