Fix PTRACE_GETREGSET failure for compat inferiors on arm64
[binutils-gdb.git] / gdb / ChangeLog
index e2cf5b9f5efd450d9c954be6105c391a5a481d29..c146e0b38d2f5a1ac82412b46aa495332e125983 100644 (file)
@@ -1,3 +1,671 @@
+2017-01-27  Kees Cook  <keescook@google.com>
+
+       * gdb/arm-linux-nat.c (arm_linux_fetch_inferior_registers): Call
+       fetch_fpregs if target has fpa registers.
+       (arm_linux_store_inferior_registers): Call store_fpregs if target
+       has fpa registers.
+
+2017-01-26  Andreas Arnez  <arnez@linux.vnet.ibm.com>
+
+       * cris-tdep.c (cris_gdbarch_init): Remove check for
+       info.byte_order and force it to BFD_ENDIAN_LITTLE.
+
+2017-01-26  Antoine Tremblay  <antoine.tremblay@ericsson.com>
+
+       * corelow.c (get_core_register_section): Check for regset
+       existence before checking for REGSET_VARIABLE_SIZE.
+
+2017-01-26  Yao Qi  <yao.qi@linaro.org>
+           Pedro Alves  <palves@redhat.com>
+
+       PR gdb/20939
+       * disasm.c (gdb_disassembler::dis_asm_memory_error): Don't
+       call memory_error, save memaddr instead.
+       (gdb_disassembler::print_insn): If gdbarch_print_insn returns
+       negative, cal memory_error.
+       * disasm.h (gdb_disassembler) <m_err_memaddr>: New field.
+
+2017-01-26  Yao Qi  <yao.qi@linaro.org>
+
+       * disasm-selftests.c (memory_error_test): New function.
+       (_initialize_disasm_selftests): Register memory_error_test.
+
+2017-01-26  Yao Qi  <yao.qi@linaro.org>
+
+       * Makefile.in (SFILES): Add disasm-selftests.c and
+       selftest-arch.c.
+       (COMMON_OBS): Add disasm-selftests.o and selftest-arch.o.
+       * disasm-selftests.c: New file.
+       * selftest-arch.c: New file.
+       * selftest-arch.h: New file.
+
+2017-01-26  Yao Qi  <yao.qi@linaro.org>
+
+       * mep-tdep.c (mep_gdb_print_insn): Set info->arch
+       to bfd_arch_mep.  Don't return 0 if section is not
+       found.  Call print_insn_mep.
+
+2017-01-26  Pedro Alves  <palves@redhat.com>
+           Yao Qi  <yao.qi@linaro.org>
+
+       * arm-tdep.c: Include "disasm.h".
+       (gdb_print_insn_arm): Update code to get gdbarch.
+       * disasm.c (dis_asm_read_memory): Change it to
+       gdb_disassembler::dis_asm_read_memory.
+       (dis_asm_memory_error): Likewise.
+       (dis_asm_print_address): Likewise.
+       (gdb_pretty_print_insn): Change it to
+       gdb_disassembler::pretty_print_insn.
+       (dump_insns): Add one argument gdb_disassemlber.  All
+       callers updated.
+       (do_mixed_source_and_assembly_deprecated): Likewise.
+       (do_mixed_source_and_assembly): Likewise.
+       (do_assembly_only): Likewise.
+       (gdb_disassembler::gdb_disassembler): New.
+       (gdb_disassembler::print_insn): New.
+       * disasm.h (class gdb_disassembler): New.
+       (gdb_pretty_print_insn): Remove declaration.
+       (gdb_disassemble_info): Likewise.
+       * guile/scm-disasm.c (class gdbscm_disassembler): New.
+       (gdbscm_disasm_read_memory_worker): Update.
+       (gdbscm_disasm_read_memory): Update.
+       (gdbscm_disasm_memory_error): Remove.
+       (gdbscm_disasm_print_address): Remove.
+       (gdbscm_disassembler::gdbscm_disassembler): New.
+       (gdbscm_print_insn_from_port): Update.
+       * mips-tdep.c: Include disasm.h.
+       (gdb_print_insn_mips): Update code to get gdbarch.
+       * record-btrace.c (btrace_insn_history): Update.
+       * spu-tdep.c: Include disasm.h.
+       (struct spu_dis_asm_data): Remove.
+       (struct spu_dis_asm_info): New.
+       (spu_dis_asm_print_address): Use spu_dis_asm_info to get
+       SPU id.
+       (gdb_print_insn_spu): Cast disassemble_info to
+       spu_dis_asm_info.
+
+2017-01-26  Yao Qi  <yao.qi@linaro.org>
+
+       * disasm.c (do_ui_file_delete): Delete.
+       (gdb_insn_length): Move code creating stream to ...
+       * utils.c (null_stream): ... here.  New function.
+       * utils.h (null_stream): Declare.
+
+2017-01-23  Simon Marchi  <simon.marchi@polymtl.ca>
+
+       * python/py-inferior.c (find_thread_object): Return directly
+       from the loop.  Remove "found" variable.
+
+2017-01-21  Joel Brobecker  <brobecker@adacore.com>
+
+       GDB 7.12.1 released.
+
+2017-01-20  Simon Marchi  <simon.marchi@ericsson.com>
+
+       * python/py-function.c (fnpy_call): Reorder declarations to have
+       the gdbpy_enter object declared first.
+       * python/py-xmethods.c (gdbpy_get_xmethod_arg_types): Likewise.
+
+2017-01-20  Simon Marchi  <simon.marchi@ericsson.com>
+
+       PR python/21068
+       * python/python-internal.h (PyMem_RawMalloc): Define for
+       Python < 3.4.
+       * python/py-gdb-readline.c (gdbpy_readline_wrapper): Use
+       PyMem_RawMalloc instead of PyMem_Malloc.
+
+2017-01-20  Mike Wrighton  <mike_wrighton@codesourcery.com>
+           Luis Machado  <lgustavo@codesourcery.com>
+
+       * NEWS (New commands): Mention flash-erase.
+       (New MI commands): Mention target-flash-erase.
+       * mi/mi-cmds.c (mi_cmd_target_flash_erase): Add target-flash-erase MI
+       command.
+       * mi/mi-cmds.h (mi_cmd_target_flash_erase): New declaration.
+       * mi/mi-main.c (mi_cmd_target_flash_erase): New function.
+       * target.c (flash_erase_command): New function.
+       (initialize_targets): Add new flash-erase command.
+       * target.h (flash_erase_command): New declaration.
+
+2017-01-20  Joel Brobecker  <brobecker@adacore.com>
+
+       * nat/linux-ptrace.c: Only include <sys/procfs.h> if
+       HAVE_SYS_PROCFS_H is defined.
+
+2017-01-18  Alan Hayward  <alan.hayward@arm.com>
+
+       * remote.c (struct cached_reg): Change data into a pointer.
+       * (stop_reply_dtr): Free data pointers before deleting vector.
+       (process_stop_reply): Likewise.
+       (remote_parse_stop_reply): Allocate space for data
+
+2017-01-18  Alan Hayward  <alan.hayward@arm.com>
+
+       * amd64-tdep.c (amd64_pseudo_register_read_value): remove
+       MAX_REGISTER_SIZE.
+       (amd64_pseudo_register_read_value): Likewise.
+       * remote.c (fetch_register_using_p): Remove MAX_REGISTER_SIZE.
+       (store_register_using_P): Likewise.
+       * regcache.c (regcache_xfer_part): Likewise.
+
+2017-01-16  Ivo Raisr  <ivo.raisr@oracle.com>
+
+       Split real and pseudo registers.
+       * sparc-tdep.h (SPARC_CORE_REGISTERS): New macro.
+       (sparc32_pseudo_regnum): New enum.
+       * sparc64-tdep.h (sparc64_pseudo_regnum): New enum.
+       * sparc-tdep.c (SPARC32_FPU_REGISTERS): New macro.
+       (SPARC32_CP0_REGISTERS): New macro.
+       (sparc32_pseudo_register_name): New function.
+       (sparc32_register_name): Use sparc32_pseudo_register_name.
+       (sparc32_pseudo_register_type): New function.
+       (sparc32_register_type): Use sparc32_pseudo_register_type.
+       (sparc32_pseudo_register_read, sparc32_pseudo_register_write): Handle
+       pseudo register numbers.
+       * sparc64-tdep.c SPARC64_FPU_REGISTERS): New macro.
+       (SPARC64_CP0_REGISTERS): New macro.
+       (sparc64_pseudo_register_name): New function.
+       (sparc64_register_name): Use sparc64_pseudo_register_name.
+       (sparc64_pseudo_register_type): New function.
+       (sparc64_register_type): Use sparc64_pseudo_register_type.
+       (sparc64_pseudo_register_read, sparc64_pseudo_register_write): Handle
+       pseudo register numbers.
+       (sparc64_store_floating_fields, sparc64_extract_floating_fields,
+       sparc64_store_arguments): Handle pseudo register numbers.
+
+2017-01-13  Yao Qi  <yao.qi@linaro.org>
+
+       * remote.c (REMOTE_DEBUG_MAX_CHAR): New macro.
+       (putpkt_binary): Print only REMOTE_DEBUG_MAX_CHAR chars in debug
+       output.
+       (getpkt_or_notif_sane_1): Likewise.
+
+2017-01-13  Yao Qi  <yao.qi@linaro.org>
+
+       * Makefile.in (checker-headers): Use CXX and CXX_DIALET instead
+       of CC.  Pass "-x c++-header" instead of "-x c".
+
+2017-01-12  Simon Marchi  <simon.marchi@ericsson.com>
+
+       * remote.c (remote_can_async_p): Update comment.
+
+2017-01-12  Simon Marchi  <simon.marchi@ericsson.com>
+
+       * linux-nat.c (linux_nat_can_async_p): Update comment.
+
+2017-01-12  Simon Marchi  <simon.marchi@ericsson.com>
+
+       * serial.c (serial_open): Forget about "pc" and "lpt" serial interface.
+
+2017-01-11  Simon Marchi  <simon.marchi@ericsson.com>
+
+       * cli/cli-decode.c (lookup_cmd_1): Fix typo in comment.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-type.c (typy_legacy_template_argument): Update.
+       * cp-support.h (struct demangle_parse_info) (demangle_parse_info,
+       ~demangle_parse_info): Declare new members.
+       (cp_demangled_name_to_comp): Return unique_ptr.
+       (cp_demangled_name_parse_free)
+       (make_cleanup_cp_demangled_name_parse_free)
+       (cp_new_demangle_parse_info): Remove.
+       * cp-support.c (do_demangled_name_parse_free_cleanup)
+       (make_cleanup_cp_demangled_name_parse_free): Remove.
+       (inspect_type, cp_canonicalize_string_full)
+       (cp_canonicalize_string): Update.
+       (mangled_name_to_comp): Change return type.
+       (cp_class_name_from_physname, method_name_from_physname)
+       (cp_func_name, cp_remove_params): Update.
+       * cp-name-parser.y (demangle_parse_info): New constructor, from
+       cp_new_demangle_parse_info.
+       (~demangle_parse_info): New destructor, from
+       cp_demangled_name_parse_free.
+       (cp_merge_demangle_parse_infos): Update.
+       (cp_demangled_name_to_comp): Change return type.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * top.c (prevent_dont_repeat): Change return type.
+       * python/python.c (execute_gdb_command): Use std::string.
+       Update.
+       * guile/guile.c (gdbscm_execute_gdb_command): Update.
+       * command.h (prevent_dont_repeat): Change return type.
+       * breakpoint.c (bpstat_do_actions_1): Update.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * value.h (scoped_value_mark::~scoped_value_mark): Call
+       free_to_mark.
+       (scoped_value_mark::free_to_mark): New method.
+       * dwarf2loc.c (dwarf2_evaluate_loc_desc_full): Use
+       scoped_value_mark.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-value.c (valpy_dereference, valpy_referenced_value)
+       (valpy_reference_value, valpy_const_value, valpy_get_address)
+       (valpy_get_dynamic_type, valpy_lazy_string, valpy_do_cast)
+       (valpy_getitem, valpy_call, valpy_binop_throw, valpy_negative)
+       (valpy_absolute, valpy_richcompare_throw): Use scoped_value_mark.
+       * dwarf2loc.c (dwarf2_loc_desc_get_symbol_read_needs): Use
+       scoped_value_mark.
+       * dwarf2-frame.c (execute_stack_op): Use scoped_value_mark.
+       * value.h (scoped_value_mark): New class.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * dwarf2read.c (dwarf2_build_psymtabs): Use psymtab_discarder.
+       * psympriv.h (make_cleanup_discard_psymtabs): Don't declare.
+       * psymtab.c (discard_psymtabs_upto): Remove.
+       (make_cleanup_discard_psymtabs): Remove.
+       (struct psymtab_state): Remove.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * record-full.c (record_full_save_cleanups): Remove.
+       (record_full_save): Use gdb::unlinker.
+       * gcore.c (do_bfd_delete_cleanup): Remove.
+       (gcore_command): Use gdb::unlinker, unique_xmalloc_ptr.  Remove
+       cleanups.
+       * dwarf2read.c (unlink_if_set): Remove.
+       (write_psymtabs_to_index): Use gdb::unlinker.
+       * common/gdb_unlinker.h: New file.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * windows-tdep.c (windows_xfer_shared_library): Update.
+       * windows-nat.c (windows_make_so): Update.
+       * utils.h (make_cleanup_bfd_unref): Remove.
+       * utils.c (do_bfd_close_cleanup, make_cleanup_bfd_unref): Remove.
+       * symfile.h (symfile_bfd_open)
+       (find_separate_debug_file_in_section): Return gdb_bfd_ref_ptr.
+       * symfile.c (read_symbols, symbol_file_add)
+       (separate_debug_file_exists): Update.
+       (symfile_bfd_open): Return gdb_bfd_ref_ptr.
+       (generic_load, reread_symbols): Update.
+       * symfile-mem.c (symbol_file_add_from_memory): Update.
+       * spu-linux-nat.c (spu_bfd_open): Return gdb_bfd_ref_ptr.
+       (spu_symbol_file_add_from_memory): Update.
+       * solist.h (struct target_so_ops) <bfd_open>: Return
+       gdb_bfd_ref_ptr.
+       (solib_bfd_fopen, solib_bfd_open): Return gdb_bfd_ref_ptr.
+       * solib.c (solib_bfd_fopen, solib_bfd_open): Return
+       gdb_bfd_ref_ptr.
+       (solib_map_sections, reload_shared_libraries_1): Update.
+       * solib-svr4.c (enable_break): Update.
+       * solib-spu.c (spu_bfd_fopen): Return gdb_bfd_ref_ptr.
+       * solib-frv.c (enable_break2): Update.
+       * solib-dsbt.c (enable_break): Update.
+       * solib-darwin.c (gdb_bfd_mach_o_fat_extract): Return
+       gdb_bfd_ref_ptr.
+       (darwin_solib_get_all_image_info_addr_at_init): Update.
+       (darwin_bfd_open): Return gdb_bfd_ref_ptr.
+       * solib-aix.c (solib_aix_bfd_open): Return gdb_bfd_ref_ptr.
+       * record-full.c (record_full_save): Update.
+       * python/py-objfile.c (objfpy_add_separate_debug_file): Update.
+       * procfs.c (insert_dbx_link_bpt_in_file): Update.
+       * minidebug.c (find_separate_debug_file_in_section): Return
+       gdb_bfd_ref_ptr.
+       * machoread.c (macho_add_oso_symfile): Change abfd to
+       gdb_bfd_ref_ptr.
+       (macho_symfile_read_all_oso): Update.
+       (macho_check_dsym): Return gdb_bfd_ref_ptr.
+       (macho_symfile_read): Update.
+       * jit.c (bfd_open_from_target_memory): Return gdb_bfd_ref_ptr.
+       (jit_bfd_try_read_symtab): Update.
+       * gdb_bfd.h (gdb_bfd_open, gdb_bfd_fopen, gdb_bfd_openr)
+       (gdb_bfd_openw, gdb_bfd_openr_iovec)
+       (gdb_bfd_openr_next_archived_file, gdb_bfd_fdopenr): Return
+       gdb_bfd_ref_ptr.
+       (gdb_bfd_ref_policy): New struct.
+       (gdb_bfd_ref_ptr): New typedef.
+       * gdb_bfd.c (gdb_bfd_open, gdb_bfd_fopen, gdb_bfd_openr)
+       (gdb_bfd_openw, gdb_bfd_openr_iovec)
+       (gdb_bfd_openr_next_archived_file, gdb_bfd_fdopenr): Return
+       gdb_bfd_ref_ptr.
+       * gcore.h (create_gcore_bfd): Return gdb_bfd_ref_ptr.
+       * gcore.c (create_gcore_bfd): Return gdb_bfd_ref_ptr.
+       (gcore_command): Update.
+       * exec.c (exec_file_attach): Update.
+       * elfread.c (elf_symfile_read): Update.
+       * dwarf2read.c (dwarf2_get_dwz_file): Update.
+       (try_open_dwop_file, open_dwo_file): Return gdb_bfd_ref_ptr.
+       (open_and_init_dwo_file): Update.
+       (open_dwp_file): Return gdb_bfd_ref_ptr.
+       (open_and_init_dwp_file): Update.
+       * corelow.c (core_open): Update.
+       * compile/compile-object-load.c (compile_object_load): Update.
+       * common/gdb_ref_ptr.h (ref_ptr::operator->): New operator.
+       * coffread.c (coff_symfile_read): Update.
+       * cli/cli-dump.c (bfd_openr_or_error, bfd_openw_or_error): Return
+       gdb_bfd_ref_ptr.  Rename.
+       (dump_bfd_file, restore_command): Update.
+       * build-id.h (build_id_to_debug_bfd): Return gdb_bfd_ref_ptr.
+       * build-id.c (build_id_to_debug_bfd): Return gdb_bfd_ref_ptr.
+       (find_separate_debug_file_by_buildid): Update.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * common/gdb_ref_ptr.h: New file.
+       * python/py-ref.h (struct gdbpy_ref_policy): New.
+       (gdbpy_ref): Now a typedef.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * utils.h (make_cleanup_htab_delete): Don't declare.
+       * utils.c (do_htab_delete_cleanup, make_cleanup_htab_delete):
+       Remove.
+       * linespec.c (decode_compound_collector): Add constructor,
+       destructor.
+       (lookup_prefix_sym): Remove cleanup.
+       (symtab_collector): Add constructor, destructor.
+       (collect_symtabs_from_filename): Remove cleanup.
+       * disasm.c (do_mixed_source_and_assembly): Use htab_up.
+       * compile/compile-c-symbols.c (generate_c_for_variable_locations):
+       Use htab_up.
+       * gnu-v3-abi.c (gnuv3_print_vtable): Use htab_up.
+       * dwarf2read.c (dw2_expand_symtabs_matching)
+       (dw2_map_symbol_filenames, dwarf_decode_macros)
+       (write_psymtabs_to_index): Use htab_up.
+       * dwarf2loc.c (func_verify_no_selftailcall)
+       (call_site_find_chain_1, func_verify_no_selftailcall)
+       (chain_candidate, call_site_find_chain_1): Use std::unordered_set,
+       std::vector, gdb::unique_xmalloc_ptr.
+       (call_sitep): Remove typedef.
+       (dwarf2_locexpr_baton_eval): Remove unused variable.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python-internal.h (make_cleanup_py_decref)
+       (make_cleanup_py_xdecref): Don't declare.
+       * python/py-utils.c (py_decref, make_cleanup_py_decref)
+       (py_xdecref, make_cleanup_py_xdecref): Remove.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-framefilter.c (py_mi_print_variables): Use gdbpy_ref.
+       (py_print_locals, enumerate_locals, py_print_args): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-framefilter.c (enumerate_args): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-utils.c (unicode_to_encoded_string)
+       (python_string_to_target_string)
+       (python_string_to_target_python_string)
+       (python_string_to_host_string, gdbpy_obj_to_string)
+       (get_addr_from_python): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-unwind.c (pyuw_object_attribute_to_pointer): Use
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (eval_python_command, gdbpy_decode_line)
+       (gdbpy_run_events, gdbpy_start_type_printers)
+       (gdbpy_apply_type_printers): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-param.c (get_doc_string, compute_enum_values): Use
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-inferior.c (find_thread_object, build_inferior_list):
+       Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-framefilter.c (py_print_frame): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-finishbreakpoint.c (bpfinishpy_out_of_scope): Use
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-cmd.c (cmdpy_completer_helper): Use gdbpy_ref.  Remove
+       extra incref.
+       (cmdpy_completer_handle_brkchars, cmdpy_completer, cmdpy_init):
+       Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-breakpoint.c (gdbpy_breakpoint_cond_says_stop): Use
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-arch.c (archpy_disassemble): Use gdbpy_ref.  Don't
+       decref results of PyArg_ParseTupleAndKeywords.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (python_run_simple_file): Use
+       unique_xmalloc_ptr, gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-prettyprint.c (print_stack_unless_memory_error)
+       (print_string_repr, print_children): Use gdbpy_ref.
+       (dummy_python_frame): New class.
+       (dummy_python_frame::dummy_python_frame): Rename from
+       push_dummy_python_frame.
+       (py_restore_tstate): Remove.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-framefilter.c (py_print_frame): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (ensure_python_env, restore_python_env):
+       Remove.
+       * python/python-internal.h (ensure_python_env): Don't declare.
+       * varobj.h (varobj_ensure_python_env): Don't declare.
+       * varobj.c (varobj_ensure_python_env): Remove.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * varobj.c (varobj_value_get_print_value): Use
+       gdbpy_enter_varobj.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-prettyprint.c (print_string_repr, print_children):
+       Update.
+       * python/py-lazy-string.c (gdbpy_extract_lazy_string): Change type
+       of "encoding".
+       * varobj.c (varobj_value_get_print_value): Update.
+       * python/python-internal.h (gdbpy_extract_lazy_string): Update.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * varobj.c (varobj_get_display_hint)
+       (dynamic_varobj_has_child_method, install_new_value_visualizer)
+       (varobj_set_visualizer, free_variable): Use
+       gdbpy_enter_varobj.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (python_command): Use gdbpy_enter, gdbpy_ref.
+       (do_finish_initialization): New function.  Use gdbpy_ref.
+       (gdbpy_finish_initialization): Use gdbpy_enter.  Call
+       do_finish_initialization.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-param.c (get_set_value, get_show_value): Use
+       gdbpy_enter, gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-function.c (fnpy_call): Use gdbpy_enter, gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-cmd.c (cmdpy_function): Use gdbpy_enter, gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-varobj.c (py_varobj_iter_dtor, py_varobj_iter_next):
+       Use gdbpy_enter_varobj.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * varobj.c (gdbpy_enter_varobj): New constructor.
+       * python/python-internal.h (gdbpy_enter_varobj): New class.
+       * python/py-varobj.c (py_varobj_get_iterator): Use
+       gdbpy_enter_varobj.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-xmethods.c (gdbpy_get_xmethod_result_type): Use
+       gdbpy_enter, gdbpy_ref, unique_xmalloc_ptr.
+       (gdbpy_invoke_xmethod): Use gdbpy_ref, gdbpy_enter.
+       (gdbpy_get_xmethod_arg_types): Use gdbpy_ref,
+       unique_xmalloc_ptr.
+       (gdbpy_get_xmethod_arg_types): Use gdbpy_ref, gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-xmethods.c (invoke_match_method): Use
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-xmethods.c (gdbpy_get_matching_xmethod_workers): use
+       gdbpy_enter, gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (python_interactive_command): Use gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (gdbpy_before_prompt_hook): Use gdbpy_enter,
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-prettyprint.c (gdbpy_apply_val_pretty_printer): Use
+       gdbpy_enter, gdbpy_ref, unique_xmalloc_ptr.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * utils.h (htab_deleter): New struct.
+       (htab_up): New typedef.
+       * python/py-framefilter.c (gdbpy_apply_frame_filter): Use
+       gdbpy_enter, gdbpy_ref, htab_up.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-unwind.c (pending_frame_invalidate): Remove.
+       (pyuw_sniffer): Use gdbpy_enter and gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-xmethods.c (gdbpy_free_xmethod_worker_data)
+       (gdbpy_clone_xmethod_worker_data): Use gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-type.c (save_objfile_types): Use gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (gdbpy_eval_from_control_command)
+       (gdbpy_source_script, gdbpy_run_events)
+       (gdbpy_source_objfile_script, gdbpy_execute_objfile_script)
+       (gdbpy_free_type_printers, gdbpy_finish_initialization): Use
+       gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-progspace.c (py_free_pspace): Use gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-objfile.c (py_free_objfile): Use gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-inferior.c (python_on_normal_stop, python_on_resume)
+       (python_on_inferior_call_pre, python_on_inferior_call_post)
+       (python_on_memory_change, python_on_register_change)
+       (python_inferior_exit, python_new_objfile, add_thread_object)
+       (delete_thread_object, py_free_inferior): Use gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-finishbreakpoint.c (bpfinishpy_handle_stop)
+       (bpfinishpy_handle_exit): Use gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-cmd.c (cmdpy_destroyer)
+       (cmdpy_completer_handle_brkchars, cmdpy_completer): Use
+       gdbpy_enter.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-breakpoint.c (gdbpy_breakpoint_cond_says_stop): Use
+       gdbpy_enter.
+       (gdbpy_breakpoint_has_cond): Likewise.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (gdbpy_enter): New constructor.
+       (~gdbpy_enter): New destructor.
+       (restore_python_env, ensure_python_env): Rewrite.
+       * python/python-internal.h (gdbpy_enter): New class.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-symbol.c (gdbpy_lookup_symbol): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-value.c (value_has_field, get_field_flag)
+       (get_field_type, valpy_getitem, convert_value_from_python): Use
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/python.c (gdbpy_progspaces, gdbpy_objfiles): Use
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-prettyprint.c (search_pp_list)
+       (find_pretty_printer_from_objfiles)
+       (find_pretty_printer_from_progspace)
+       (find_pretty_printer_from_gdb, find_pretty_printer)
+       (gdbpy_get_display_hint, gdbpy_get_varobj_pretty_printer): Use
+       gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-param.c (call_doc_function): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-linetable.c (build_line_table_tuple_from_pcs)
+       (ltpy_get_all_source_lines): Use gdbpy_ref.
+
+2017-01-10  Tom Tromey  <tom@tromey.com>
+
+       * python/py-framefilter.c (extract_sym, extract_value)
+       (get_py_iter_from_func, bootstrap_python_frame_filters): Use
+       gdbpy_ref.
+
 2017-01-10  Tom Tromey  <tom@tromey.com>
 
        * python/py-breakpoint.c (gdbpy_breakpoints): Use gdbpy_ref.