| Age | Commit message (Collapse) | Author | Files | Lines |
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Building in C++ errors out with:
../../src/gdb/windows-nat.c: In function 'int get_windows_debug_event(target_ops*, int, target_waitstatus*)':
../../src/gdb/windows-nat.c:1503:13: warning: invalid conversion from 'int' to 'gdb_signal' [-fpermissive]
last_sig = 1;
^
../../src/gdb/windows-nat.c:1533:43: warning: invalid conversion from 'int' to 'gdb_signal' [-fpermissive]
windows_resume (ops, minus_one_ptid, 0, 1);
^
../../src/gdb/windows-nat.c:1228:1: warning: initializing argument 4 of 'void windows_resume(target_ops*, ptid_t, int, gdb_signal)' [-fpermissive]
windows_resume (struct target_ops *ops,
^
Looking at the code, I can't figure out why we treat first chance
exceptions any different here.
AFAICS, we set last_sig to 1, and then call windows_resume passing
signal==1, so the DBG_EXCEPTION_NOT_HANDLED code path in win32_resume
is taken:
~~~
if (sig != GDB_SIGNAL_0)
{
if (current_event.dwDebugEventCode != EXCEPTION_DEBUG_EVENT)
{
OUTMSG (("Cannot continue with signal %d here.\n", sig));
}
else if (sig == last_sig)
continue_status = DBG_EXCEPTION_NOT_HANDLED;
else
OUTMSG (("Can only continue with recieved signal %d.\n", last_sig));
}
~~~
Fix this by removing this special casing. gdbserver also goes
straight to continuing with DBG_EXCEPTION_NOT_HANDLED, AFAICS.
gdb/ChangeLog:
2015-11-17 Pedro Alves <palves@redhat.com>
* windows-nat.c (handle_exception): Return 0 for first chance
exceptions.
(get_windows_debug_event): Adjust.
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Fixes:
../../src/gdb/windows-nat.c:287:11: error: invalid conversion from 'int' to 'gdb_signal' [-fpermissive]
{-1, -1}};
^
The signal number here doesn't really matter.
gdb/ChangeLog:
2015-11-17 Pedro Alves <palves@redhat.com>
* windows-nat.c (xslate): Use GDB_SIGNAL_UNKNOWN instead of -1 as
signal number for terminator.
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Fixes a set of errors like:
../../src/gdb/windows-nat.c: In function 'void _initialize_loadable()':
../../src/gdb/windows-nat.c:2778:30: error: invalid conversion from 'void*' to 'BOOL (*)(DWORD) {aka int (*)(long unsigned int)}' [-fpermissive]
DebugActiveProcessStop = (void *)
^
gdb/ChangeLog:
2015-11-17 Pedro Alves <palves@redhat.com>
* windows-nat.c (AdjustTokenPrivileges_ftype)
(DebugActiveProcessStop_ftype, DebugBreakProcess_ftype)
(DebugSetProcessKillOnExit_ftype, EnumProcessModules_ftype)
(GetCurrentConsoleFont_ftype, GetModuleInformation_ftype)
(LookupPrivilegeValueA_ftype, OpenProcessToken_ftype)
(GetConsoleFontSize_ftype): New typedefs.
(AdjustTokenPrivileges, DebugActiveProcessStop)
(DebugBreakProcess, DebugSetProcessKillOnExit, EnumProcessModules)
(GetConsoleFontSize, GetCurrentConsoleFont, GetModuleInformation)
(LookupPrivilegeValueA, OpenProcessToken, GetConsoleFontSize):
Adjust.
(GetModuleFileNameEx_ftype): New typedef.
(GetModuleFileNameEx): Use it.
(_initialize_loadable): Define GPA macro and use it.
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gdb/ChangeLog:
2015-11-17 Pedro Alves <palves@redhat.com>
* exec.c (exec_file_attach, symfile_bfd_open) [__GO32__ || _WIN32
|| __CYGWIN__]: Add casts.
* utils.c (gdb_filename_fnmatch): Add cast.
* windows-nat.c (windows_create_inferior): Add cast.
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Explation below based on what Joel wrote at:
https://sourceware.org/ml/gdb-patches/2015-10/msg00274.html
The merge async/sync code paths patch broke attaching on Windows.
This is what we observe, after attaching to any process. At first, it
seems like everything worked fine, since the process stops, and we get
the prompt back:
(gdb) att 3156
Attaching to program `C:\[...]\foo.exe', process 3156
[New Thread 3156.0xcd8]
[New Thread 3156.0xfe4]
0x7770000d in ntdll!DbgBreakPoint () from C:\Windows\SysWOW64\ntdll.dll
(gdb)
However, enter any commands at all, and GDB appears to be hanging.
For instance:
(gdb) set lang ada
[nothing happens]
Despite appearances, GDB is not reading from the prompt. It is
blocked waiting for an event from the inferior. And since our
inferior is stopped, there aren't going to be any events to read.
In chronological order, what happens is that windows_attach calls
do_initial_windows_stuff, which performs the inferior creation,
and repeatedly waits until we get the first SIGTRAP:
while (1)
{
stop_after_trap = 1;
wait_for_inferior ();
tp = inferior_thread ();
if (tp->suspend.stop_signal != GDB_SIGNAL_TRAP)
resume (tp->suspend.stop_signal);
else
break;
}
The call to wait_for_inferior triggers a call to do_target_wait to get
the event, followed by handle_inferior_event to process it. However,
because the first couple of events are "spurious" events, GDB resumes
the execution, and prepares the inferior to wait again:
case TARGET_WAITKIND_SPURIOUS:
[...]
resume (GDB_SIGNAL_0);
prepare_to_wait (ecs);
And prepare_to_wait just does...
ecs->wait_some_more = 1;
if (!target_is_async_p ())
mark_infrun_async_event_handler ();
... which as a result sets the infrun_async_event_handler "ready"
flag to 1.
We get a couple of spurious events before we get the initial SIGTRAP,
at which point we exit the "while (1)" loop above, after which we
reach the end of the attach_command, followed by the normal
end-of-command processing (normal_stop, bp handling, printing the GDB
prompt), back finally to the root of the event loop.
Notice that, at this point, nothing has unset the "ready" flag for the
infrun_async_event_handler. So, when another cycle of
gdb_do_one_event from the event loop, we eventually call
check_async_event_handlers, which finds that the infrun async event
handler is "ready", and therefore calls it's associated "proc"
callback, which does...
inferior_event_handler (INF_REG_EVENT, NULL);
... triggering a blocking call to target_wait, thus hanging forever.
The fix is to use windows_wait and windows_resume directly, similarly
to gdbserver. This will also allow getting rid of 'stop_after_trap'.
gdb/ChangeLog:
2015-10-22 Pedro Alves <palves@redhat.com>
* windows-nat.c (do_initial_windows_stuff): Rewrite loop using
windows_wait and windows_resume directly instead of
wait_for_inferior and resume.
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This patch is part of the make-gdb-buildable-in-C++ effort. The idea is
to change some calls to the xmalloc family of functions to calls to the
equivalents in the XNEW family. This avoids adding an explicit cast, so
it keeps the code a bit more readable. Some of them also map relatively
well to a C++ equivalent (XNEW (struct foo) -> new foo), so it will be
possible to do scripted replacements if needed.
I only changed calls that were obviously allocating memory for one or
multiple "objects". Allocation of variable sizes (such as strings or
buffer handling) will be for later (and won't use XNEW).
- xmalloc (sizeof (struct foo)) -> XNEW (struct foo)
- xmalloc (num * sizeof (struct foo)) -> XNEWVEC (struct foo, num)
- xcalloc (1, sizeof (struct foo)) -> XCNEW (struct foo)
- xcalloc (num, sizeof (struct foo)) -> XCNEWVEC (struct foo, num)
- xrealloc (p, num * sizeof (struct foo) -> XRESIZEVEC (struct foo, p, num)
- obstack_alloc (ob, sizeof (struct foo)) -> XOBNEW (ob, struct foo)
- obstack_alloc (ob, num * sizeof (struct foo)) -> XOBNEWVEC (ob, struct foo, num)
- alloca (sizeof (struct foo)) -> XALLOCA (struct foo)
- alloca (num * sizeof (struct foo)) -> XALLOCAVEC (struct foo, num)
Some instances of xmalloc followed by memset to zero the buffer were
replaced by XCNEW or XCNEWVEC.
I regtested on x86-64, Ubuntu 14.04, but the patch touches many
architecture-specific files. For those I'll have to rely on the
buildbot or people complaining that I broke their gdb.
gdb/ChangeLog:
* aarch64-linux-nat.c (aarch64_add_process): Likewise.
* aarch64-tdep.c (aarch64_gdbarch_init): Likewise.
* ada-exp.y (write_ambiguous_var): Likewise.
* ada-lang.c (resolve_subexp): Likewise.
(user_select_syms): Likewise.
(assign_aggregate): Likewise.
(ada_evaluate_subexp): Likewise.
(cache_symbol): Likewise.
* addrmap.c (allocate_key): Likewise.
(addrmap_create_mutable): Likewise.
* aix-thread.c (sync_threadlists): Likewise.
* alpha-tdep.c (alpha_push_dummy_call): Likewise.
(alpha_gdbarch_init): Likewise.
* amd64-windows-tdep.c (amd64_windows_push_arguments): Likewise.
* arm-linux-nat.c (arm_linux_add_process): Likewise.
* arm-linux-tdep.c (arm_linux_displaced_step_copy_insn): Likewise.
* arm-tdep.c (push_stack_item): Likewise.
(arm_displaced_step_copy_insn): Likewise.
(arm_gdbarch_init): Likewise.
(_initialize_arm_tdep): Likewise.
* avr-tdep.c (push_stack_item): Likewise.
* ax-general.c (new_agent_expr): Likewise.
* block.c (block_initialize_namespace): Likewise.
* breakpoint.c (alloc_counted_command_line): Likewise.
(update_dprintf_command_list): Likewise.
(parse_breakpoint_sals): Likewise.
(decode_static_tracepoint_spec): Likewise.
(until_break_command): Likewise.
(clear_command): Likewise.
(update_global_location_list): Likewise.
(get_breakpoint_objfile_data) Likewise.
* btrace.c (ftrace_new_function): Likewise.
(btrace_set_insn_history): Likewise.
(btrace_set_call_history): Likewise.
* buildsym.c (add_symbol_to_list): Likewise.
(record_pending_block): Likewise.
(start_subfile): Likewise.
(start_buildsym_compunit): Likewise.
(push_subfile): Likewise.
(end_symtab_get_static_block): Likewise.
(buildsym_init): Likewise.
* cli/cli-cmds.c (source_command): Likewise.
* cli/cli-decode.c (add_cmd): Likewise.
* cli/cli-script.c (build_command_line): Likewise.
(setup_user_args): Likewise.
(realloc_body_list): Likewise.
(process_next_line): Likewise.
(copy_command_lines): Likewise.
* cli/cli-setshow.c (do_set_command): Likewise.
* coff-pe-read.c (read_pe_exported_syms): Likewise.
* coffread.c (coff_locate_sections): Likewise.
(coff_symtab_read): Likewise.
(coff_read_struct_type): Likewise.
* common/cleanups.c (make_my_cleanup2): Likewise.
* common/common-exceptions.c (throw_it): Likewise.
* common/filestuff.c (make_cleanup_close): Likewise.
* common/format.c (parse_format_string): Likewise.
* common/queue.h (DEFINE_QUEUE_P): Likewise.
* compile/compile-object-load.c (munmap_list_add): Likewise.
(compile_object_load): Likewise.
* compile/compile-object-run.c (compile_object_run): Likewise.
* compile/compile.c (append_args): Likewise.
* corefile.c (specify_exec_file_hook): Likewise.
* cp-support.c (make_symbol_overload_list): Likewise.
* cris-tdep.c (push_stack_item): Likewise.
(cris_gdbarch_init): Likewise.
* ctf.c (ctf_trace_file_writer_new): Likewise.
* dbxread.c (init_header_files): Likewise.
(add_new_header_file): Likewise.
(init_bincl_list): Likewise.
(dbx_end_psymtab): Likewise.
(start_psymtab): Likewise.
(dbx_end_psymtab): Likewise.
* dcache.c (dcache_init): Likewise.
* dictionary.c (dict_create_hashed): Likewise.
(dict_create_hashed_expandable): Likewise.
(dict_create_linear): Likewise.
(dict_create_linear_expandable): Likewise.
* dtrace-probe.c (dtrace_process_dof_probe): Likewise.
* dummy-frame.c (register_dummy_frame_dtor): Likewise.
* dwarf2-frame-tailcall.c (cache_new_ref1): Likewise.
* dwarf2-frame.c (dwarf2_build_frame_info): Likewise.
(decode_frame_entry_1): Likewise.
* dwarf2expr.c (new_dwarf_expr_context): Likewise.
* dwarf2loc.c (dwarf2_compile_expr_to_ax): Likewise.
* dwarf2read.c (dwarf2_has_info): Likewise.
(create_signatured_type_table_from_index): Likewise.
(dwarf2_read_index): Likewise.
(dw2_get_file_names_reader): Likewise.
(create_all_type_units): Likewise.
(read_cutu_die_from_dwo): Likewise.
(init_tu_and_read_dwo_dies): Likewise.
(init_cutu_and_read_dies): Likewise.
(create_all_comp_units): Likewise.
(queue_comp_unit): Likewise.
(inherit_abstract_dies): Likewise.
(read_call_site_scope): Likewise.
(dwarf2_add_field): Likewise.
(dwarf2_add_typedef): Likewise.
(dwarf2_add_member_fn): Likewise.
(attr_to_dynamic_prop): Likewise.
(abbrev_table_alloc_abbrev): Likewise.
(abbrev_table_read_table): Likewise.
(add_include_dir): Likewise.
(add_file_name): Likewise.
(dwarf_decode_line_header): Likewise.
(dwarf2_const_value_attr): Likewise.
(dwarf_alloc_block): Likewise.
(parse_macro_definition): Likewise.
(set_die_type): Likewise.
(write_psymtabs_to_index): Likewise.
(create_cus_from_index): Likewise.
(dwarf2_create_include_psymtab): Likewise.
(process_psymtab_comp_unit_reader): Likewise.
(build_type_psymtab_dependencies): Likewise.
(read_comp_units_from_section): Likewise.
(compute_compunit_symtab_includes): Likewise.
(create_dwo_unit_in_dwp_v1): Likewise.
(create_dwo_unit_in_dwp_v2): Likewise.
(read_func_scope): Likewise.
(process_structure_scope): Likewise.
(mark_common_block_symbol_computed): Likewise.
(load_partial_dies): Likewise.
(dwarf2_symbol_mark_computed): Likewise.
* elfread.c (elf_symfile_segments): Likewise.
(elf_read_minimal_symbols): Likewise.
* environ.c (make_environ): Likewise.
* eval.c (evaluate_subexp_standard): Likewise.
* event-loop.c (create_file_handler): Likewise.
(create_async_signal_handler): Likewise.
(create_async_event_handler): Likewise.
(create_timer): Likewise.
* exec.c (build_section_table): Likewise.
* fbsd-nat.c (fbsd_remember_child): Likewise.
* fork-child.c (fork_inferior): Likewise.
* frv-tdep.c (new_variant): Likewise.
* gdbarch.sh (gdbarch_alloc): Likewise.
(append_name): Likewise.
* gdbtypes.c (rank_function): Likewise.
(copy_type_recursive): Likewise.
(add_dyn_prop): Likewise.
* gnu-nat.c (make_proc): Likewise.
(make_inf): Likewise.
(gnu_write_inferior): Likewise.
* gnu-v3-abi.c (build_gdb_vtable_type): Likewise.
(build_std_type_info_type): Likewise.
* guile/scm-param.c (compute_enum_list): Likewise.
* guile/scm-utils.c (gdbscm_parse_function_args): Likewise.
* guile/scm-value.c (gdbscm_value_call): Likewise.
* h8300-tdep.c (h8300_gdbarch_init): Likewise.
* hppa-tdep.c (hppa_init_objfile_priv_data): Likewise.
(read_unwind_info): Likewise.
* ia64-tdep.c (ia64_gdbarch_init): Likewise.
* infcall.c (dummy_frame_context_saver_setup): Likewise.
(call_function_by_hand_dummy): Likewise.
* infcmd.c (step_once): Likewise.
(finish_forward): Likewise.
(attach_command): Likewise.
(notice_new_inferior): Likewise.
* inferior.c (add_inferior_silent): Likewise.
* infrun.c (add_displaced_stepping_state): Likewise.
(save_infcall_control_state): Likewise.
(save_inferior_ptid): Likewise.
(_initialize_infrun): Likewise.
* jit.c (bfd_open_from_target_memory): Likewise.
(jit_gdbarch_data_init): Likewise.
* language.c (add_language): Likewise.
* linespec.c (decode_line_2): Likewise.
* linux-nat.c (add_to_pid_list): Likewise.
(add_initial_lwp): Likewise.
* linux-thread-db.c (add_thread_db_info): Likewise.
(record_thread): Likewise.
(info_auto_load_libthread_db): Likewise.
* m32c-tdep.c (m32c_gdbarch_init): Likewise.
* m68hc11-tdep.c (m68hc11_gdbarch_init): Likewise.
* m68k-tdep.c (m68k_gdbarch_init): Likewise.
* m88k-tdep.c (m88k_analyze_prologue): Likewise.
* macrocmd.c (macro_define_command): Likewise.
* macroexp.c (gather_arguments): Likewise.
* macroscope.c (sal_macro_scope): Likewise.
* macrotab.c (new_macro_table): Likewise.
* mdebugread.c (push_parse_stack): Likewise.
(parse_partial_symbols): Likewise.
(parse_symbol): Likewise.
(psymtab_to_symtab_1): Likewise.
(new_block): Likewise.
(new_psymtab): Likewise.
(mdebug_build_psymtabs): Likewise.
(add_pending): Likewise.
(elfmdebug_build_psymtabs): Likewise.
* mep-tdep.c (mep_gdbarch_init): Likewise.
* mi/mi-main.c (mi_execute_command): Likewise.
* mi/mi-parse.c (mi_parse_argv): Likewise.
* minidebug.c (lzma_open): Likewise.
* minsyms.c (terminate_minimal_symbol_table): Likewise.
* mips-linux-nat.c (mips_linux_insert_watchpoint): Likewise.
* mips-tdep.c (mips_gdbarch_init): Likewise.
* mn10300-tdep.c (mn10300_gdbarch_init): Likewise.
* msp430-tdep.c (msp430_gdbarch_init): Likewise.
* mt-tdep.c (mt_registers_info): Likewise.
* nat/aarch64-linux.c (aarch64_linux_new_thread): Likewise.
* nat/linux-btrace.c (linux_enable_bts): Likewise.
(linux_enable_pt): Likewise.
* nat/linux-osdata.c (linux_xfer_osdata_processes): Likewise.
(linux_xfer_osdata_processgroups): Likewise.
* nios2-tdep.c (nios2_gdbarch_init): Likewise.
* nto-procfs.c (procfs_meminfo): Likewise.
* objc-lang.c (start_msglist): Likewise.
(selectors_info): Likewise.
(classes_info): Likewise.
(find_methods): Likewise.
* objfiles.c (allocate_objfile): Likewise.
(update_section_map): Likewise.
* osabi.c (gdbarch_register_osabi): Likewise.
(gdbarch_register_osabi_sniffer): Likewise.
* parse.c (start_arglist): Likewise.
* ppc-linux-nat.c (hwdebug_find_thread_points_by_tid): Likewise.
(hwdebug_insert_point): Likewise.
* printcmd.c (display_command): Likewise.
(ui_printf): Likewise.
* procfs.c (create_procinfo): Likewise.
(load_syscalls): Likewise.
(proc_get_LDT_entry): Likewise.
(proc_update_threads): Likewise.
* prologue-value.c (make_pv_area): Likewise.
(pv_area_store): Likewise.
* psymtab.c (extend_psymbol_list): Likewise.
(init_psymbol_list): Likewise.
(allocate_psymtab): Likewise.
* python/py-inferior.c (add_thread_object): Likewise.
* python/py-param.c (compute_enum_values): Likewise.
* python/py-value.c (valpy_call): Likewise.
* python/py-varobj.c (py_varobj_iter_next): Likewise.
* python/python.c (ensure_python_env): Likewise.
* record-btrace.c (record_btrace_start_replaying): Likewise.
* record-full.c (record_full_reg_alloc): Likewise.
(record_full_mem_alloc): Likewise.
(record_full_end_alloc): Likewise.
(record_full_core_xfer_partial): Likewise.
* regcache.c (get_thread_arch_aspace_regcache): Likewise.
* remote-fileio.c (remote_fileio_init_fd_map): Likewise.
* remote-notif.c (remote_notif_state_allocate): Likewise.
* remote.c (demand_private_info): Likewise.
(remote_notif_stop_alloc_reply): Likewise.
(remote_enable_btrace): Likewise.
* reverse.c (save_bookmark_command): Likewise.
* rl78-tdep.c (rl78_gdbarch_init): Likewise.
* rx-tdep.c (rx_gdbarch_init): Likewise.
* s390-linux-nat.c (s390_insert_watchpoint): Likewise.
* ser-go32.c (dos_get_tty_state): Likewise.
(dos_copy_tty_state): Likewise.
* ser-mingw.c (ser_windows_open): Likewise.
(ser_console_wait_handle): Likewise.
(ser_console_get_tty_state): Likewise.
(make_pipe_state): Likewise.
(net_windows_open): Likewise.
* ser-unix.c (hardwire_get_tty_state): Likewise.
(hardwire_copy_tty_state): Likewise.
* solib-aix.c (solib_aix_new_lm_info): Likewise.
* solib-dsbt.c (dsbt_current_sos): Likewise.
(dsbt_relocate_main_executable): Likewise.
* solib-frv.c (frv_current_sos): Likewise.
(frv_relocate_main_executable): Likewise.
* solib-spu.c (spu_bfd_fopen): Likewise.
* solib-svr4.c (lm_info_read): Likewise.
(svr4_copy_library_list): Likewise.
(svr4_default_sos): Likewise.
* source.c (find_source_lines): Likewise.
(line_info): Likewise.
(add_substitute_path_rule): Likewise.
* spu-linux-nat.c (spu_bfd_open): Likewise.
* spu-tdep.c (info_spu_dma_cmdlist): Likewise.
* stabsread.c (dbx_lookup_type): Likewise.
(read_type): Likewise.
(read_member_functions): Likewise.
(read_struct_fields): Likewise.
(read_baseclasses): Likewise.
(read_args): Likewise.
(_initialize_stabsread): Likewise.
* stack.c (func_command): Likewise.
* stap-probe.c (handle_stap_probe): Likewise.
* symfile.c (addrs_section_sort): Likewise.
(addr_info_make_relative): Likewise.
(load_section_callback): Likewise.
(add_symbol_file_command): Likewise.
(init_filename_language_table): Likewise.
* symtab.c (create_filename_seen_cache): Likewise.
(sort_search_symbols_remove_dups): Likewise.
(search_symbols): Likewise.
* target.c (make_cleanup_restore_target_terminal): Likewise.
* thread.c (new_thread): Likewise.
(enable_thread_stack_temporaries): Likewise.
(make_cleanup_restore_current_thread): Likewise.
(thread_apply_all_command): Likewise.
* tic6x-tdep.c (tic6x_gdbarch_init): Likewise.
* top.c (gdb_readline_wrapper): Likewise.
* tracefile-tfile.c (tfile_trace_file_writer_new): Likewise.
* tracepoint.c (trace_find_line_command): Likewise.
(all_tracepoint_actions_and_cleanup): Likewise.
(make_cleanup_restore_current_traceframe): Likewise.
(get_uploaded_tp): Likewise.
(get_uploaded_tsv): Likewise.
* tui/tui-data.c (tui_alloc_generic_win_info): Likewise.
(tui_alloc_win_info): Likewise.
(tui_alloc_content): Likewise.
(tui_add_content_elements): Likewise.
* tui/tui-disasm.c (tui_find_disassembly_address): Likewise.
(tui_set_disassem_content): Likewise.
* ui-file.c (ui_file_new): Likewise.
(stdio_file_new): Likewise.
(tee_file_new): Likewise.
* utils.c (make_cleanup_restore_integer): Likewise.
(add_internal_problem_command): Likewise.
* v850-tdep.c (v850_gdbarch_init): Likewise.
* valops.c (find_oload_champ): Likewise.
* value.c (allocate_value_lazy): Likewise.
(record_latest_value): Likewise.
(create_internalvar): Likewise.
* varobj.c (install_variable): Likewise.
(new_variable): Likewise.
(new_root_variable): Likewise.
(cppush): Likewise.
(_initialize_varobj): Likewise.
* windows-nat.c (windows_make_so): Likewise.
* x86-nat.c (x86_add_process): Likewise.
* xcoffread.c (arrange_linetable): Likewise.
(allocate_include_entry): Likewise.
(process_linenos): Likewise.
(SYMBOL_DUP): Likewise.
(xcoff_start_psymtab): Likewise.
(xcoff_end_psymtab): Likewise.
* xml-support.c (gdb_xml_parse_attr_ulongest): Likewise.
* xtensa-tdep.c (xtensa_register_type): Likewise.
* gdbarch.c: Regenerate.
* gdbarch.h: Regenerate.
gdb/gdbserver/ChangeLog:
* ax.c (gdb_parse_agent_expr): Likewise.
(compile_bytecodes): Likewise.
* dll.c (loaded_dll): Likewise.
* event-loop.c (append_callback_event): Likewise.
(create_file_handler): Likewise.
(create_file_event): Likewise.
* hostio.c (handle_open): Likewise.
* inferiors.c (add_thread): Likewise.
(add_process): Likewise.
* linux-aarch64-low.c (aarch64_linux_new_process): Likewise.
* linux-arm-low.c (arm_new_process): Likewise.
(arm_new_thread): Likewise.
* linux-low.c (add_to_pid_list): Likewise.
(linux_add_process): Likewise.
(handle_extended_wait): Likewise.
(add_lwp): Likewise.
(enqueue_one_deferred_signal): Likewise.
(enqueue_pending_signal): Likewise.
(linux_resume_one_lwp_throw): Likewise.
(linux_resume_one_thread): Likewise.
(linux_read_memory): Likewise.
(linux_write_memory): Likewise.
* linux-mips-low.c (mips_linux_new_process): Likewise.
(mips_linux_new_thread): Likewise.
(mips_add_watchpoint): Likewise.
* linux-x86-low.c (initialize_low_arch): Likewise.
* lynx-low.c (lynx_add_process): Likewise.
* mem-break.c (set_raw_breakpoint_at): Likewise.
(set_breakpoint): Likewise.
(add_condition_to_breakpoint): Likewise.
(add_commands_to_breakpoint): Likewise.
(clone_agent_expr): Likewise.
(clone_one_breakpoint): Likewise.
* regcache.c (new_register_cache): Likewise.
* remote-utils.c (look_up_one_symbol): Likewise.
* server.c (queue_stop_reply): Likewise.
(start_inferior): Likewise.
(queue_stop_reply_callback): Likewise.
(handle_target_event): Likewise.
* spu-low.c (fetch_ppc_memory): Likewise.
(store_ppc_memory): Likewise.
* target.c (set_target_ops): Likewise.
* thread-db.c (thread_db_load_search): Likewise.
(try_thread_db_load_1): Likewise.
* tracepoint.c (add_tracepoint): Likewise.
(add_tracepoint_action): Likewise.
(create_trace_state_variable): Likewise.
(cmd_qtdpsrc): Likewise.
(cmd_qtro): Likewise.
(add_while_stepping_state): Likewise.
* win32-low.c (child_add_thread): Likewise.
(get_image_name): Likewise.
|
|
With "maint set target-non-stop on" we get:
@@ -66,13 +66,16 @@ Continuing.
interrupt
(gdb) PASS: gdb.base/interrupt-noterm.exp: interrupt
-Program received signal SIGINT, Interrupt.
-PASS: gdb.base/interrupt-noterm.exp: inferior received SIGINT
-testcase src/gdb/testsuite/gdb.base/interrupt-noterm.exp completed in 0 seconds
+[process 12119] #1 stopped.
+0x0000003615ebc6d0 in __nanosleep_nocancel () at ../sysdeps/unix/syscall-template.S:81
+81 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
+FAIL: gdb.base/interrupt-noterm.exp: inferior received SIGINT (timeout)
+testcase src/gdb/testsuite/gdb.base/interrupt-noterm.exp completed in 10 seconds
That is, we get "[$thread] #1 stopped" instead of SIGINT.
The issue is that we don't currently distinguish send
"interrupt/ctrl-c" to target terminal vs "stop/pause" thread well;
both cases go through "target_stop".
And then, the native Linux backend (linux-nat.c) implements
target_stop with SIGSTOP in non-stop mode, and SIGINT in all-stop
mode. Since "maint set target-non-stop on" forces the backend to be
always running in non-stop mode, even though the user-visible behavior
is "set non-stop" is "off", "interrupt" causes a SIGSTOP instead of
the SIGINT the test expects.
Fix this by introducing a target_interrupt method to use in the
"interrupt/ctrl-c" case, so "set non-stop off" can always work the
same irrespective of "maint set target-non-stop on/off". I'm
explictly considering changing the "set non-stop on" behavior as out
of scope here.
Most of the patch is an across-the-board rename of to_stop hook
implementations to to_interrupt. The only targets where something
more than a rename is being done are linux-nat.c and remote.c, which
are the only targets that support async, and thus are the only ones
the core side calls target_stop on.
gdb/ChangeLog:
2015-08-07 Pedro Alves <palves@redhat.com>
* darwin-nat.c (darwin_stop): Rename to ...
(darwin_interrupt): ... this.
(_initialize_darwin_inferior): Adjust.
* gnu-nat.c (gnu_stop): Delete.
(gnu_target): Don't install gnu_stop.
* inf-ptrace.c (inf_ptrace_stop): Rename to ...
(inf_ptrace_interrupt): ... this.
(inf_ptrace_target): Adjust.
* infcmd.c (interrupt_target_1): Use target_interrupt instead of
target_stop.
* linux-nat (linux_nat_stop): Rename to ...
(linux_nat_interrupt): ... this.
(linux_nat_stop): Reimplement.
(linux_nat_add_target): Install linux_nat_interrupt.
* nto-procfs.c (nto_interrupt_twice): Rename to ...
(nto_handle_sigint_twice): ... this.
(nto_interrupt): Rename to ...
(nto_handle_sigint): ... this. Call target_interrupt instead of
target_stop.
(procfs_wait): Adjust.
(procfs_stop): Rename to ...
(procfs_interrupt): ... this.
(init_procfs_targets): Adjust.
* procfs.c (procfs_stop): Rename to ...
(procfs_interrupt): ... this.
(procfs_target): Adjust.
* remote-m32r-sdi.c (m32r_stop): Rename to ...
(m32r_interrupt): ... this.
(init_m32r_ops): Adjust.
* remote-sim.c (gdbsim_stop_inferior): Rename to ...
(gdbsim_interrupt_inferior): ... this.
(gdbsim_stop): Rename to ...
(gdbsim_interrupt): ... this.
(gdbsim_cntrl_c): Adjust.
(init_gdbsim_ops): Adjust.
* remote.c (sync_remote_interrupt): Adjust comments.
(remote_stop_as): Rename to ...
(remote_interrupt_as): ... this.
(remote_stop): Adjust comment.
(remote_interrupt): New function.
(init_remote_ops): Install remote_interrupt.
* target.c (target_interrupt): New function.
* target.h (struct target_ops) <to_interrupt>: New field.
(target_interrupt): New declaration.
* windows-nat.c (windows_stop): Rename to ...
(windows_interrupt): ... this.
* target-delegates.c: Regenerate.
|
|
Replace __COPY_CONTEXT_SIZE conditional with __CYGWIN__
__COPY_CONTEXT_SIZE was added to Cygwin's headers in 2006.
Versions of Cygwin which don't define __COPY_CONTEXT_SIZE are long obsolete.
Also see the thread starting at
https://sourceware.org/ml/gdb-patches/2015-03/msg00989.html for some discussion
Note that __COPY_CONTEXT_SIZE should just be sizeof(CONTEXT) (which is a
platform constant), but isn't due to historical mistakes in Cygwin headers.
gdb/ChangeLog:
2015-06-03 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (do_windows_fetch_inferior_registers)
(handle_output_debug_string): Replace __COPY_CONTEXT_SIZE
conditional with __CYGWIN__.
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
|
|
Discussed somewhat in the thread at
https://cygwin.com/ml/gdb-patches/2013-06/msg00680.html
This is pretty straightforward to demonstrate on Cygwin currently:
$ cat main.c
int main()
{
return 0;
}
$ gcc -g -O0 main.c -o main
$ ./gdb ./main
[...]
(gdb) r
Starting program: /wip/binutils-gdb/build.x86_64/gdb/main
warning: SuspendThread (tid=0x1cf0) failed. (winerr 6)
[Inferior 1 (process 976) exited normally]
with this patch applied:
$ ./gdb ./main
[...]
(gdb) r
Starting program: /wip/binutils-gdb/build.x86_64/gdb/main
[Inferior 1 (process 4852) exited normally]
gdb/ChangeLog:
2015-06-03 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (thread_rec): Also ignore ERROR_INVALID_HANDLE
from SuspendThread().
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
|
|
For cosmetic purposes, trim a trailing '\n' from OutputDebugString before
echoing it, as warning() will add a '\n', anyhow.
gdb/ChangeLog:
2015-06-03 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (handle_output_debug_string): Trim trailing '\n'
from OutputDebugString.
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
|
|
The "info dll", an alias of the "info sharedlibrary" command, is
currently only defined in windows native versions. This patch makes
it universally available by moving the alias declaration to solib.c,
and adjusts the documentation accordingly.
Making it universally available has two benefits:
- Windows users moving to a Unix platforms are still able to use
the same command for getting the list of shared libraries;
- Unix to Windows cross debuggers now provide that command also.
gdb/ChangeLog:
* solib.c (_initialize_solib): Add "info dll" alias creation.
* windows-nat.c (set_windows_aliases): Delete.
(_initialize_windows_nat): Remove deprecated_init_ui_hook
assignment.
* NEWS: Add news entry about "info dll" now being available
on all platforms.
gdb/doc/ChangeLog:
* gdb.texinfo (Files): Add "info dll" documentation.
(Cygwin Native): Remove "info dll" documentation.
|
|
handle_output_debug_string()
Using the 'catch-signal' test from the testsuite, on x86_64 Cygwin:
$ ./gdb testsuite/outputs/gdb.base/catch-signal/catch-signal.exe
[...]
(gdb) catch signal
Catchpoint 1 (standard signals)
(gdb) r
[...]
Catchpoint 1 (signal SIGHUP), main () at
../../../gdb/testsuite/gdb.base/catch-signal.c:40
40 raise (SIGHUP); /* second HUP */
(gdb) c
Continuing.
main () at ../../../gdb/testsuite/gdb.base/catch-signal.c:40
40 raise (SIGHUP); /* second HUP */
Failed to resume program execution (ContinueDebugEvent failed, error 87)
(gdb)
This error occurs because when handle_output_debug_string processes a Cygwin
signal message, it re-writes current_event.dwThreadId to reflect the thread that
the signal will be delivered to, which can be different to the thread reporting
the signal.
Altering current_event.dwThreadId() will cause ContinueDebugEvent() to be
applied to the wrong thread and fail.
So, rather than re-writing the thread id in current_event, use the thread
id by returning it.
With this patch applied this test now yields the expected result:
$ ./gdb testsuite/outputs/gdb.base/catch-signal/catch-signal.exe
[...]
(gdb) catch signal
Catchpoint 1 (standard signals)
(gdb) r
[...]
Catchpoint 1 (signal SIGHUP), main () at
../../../gdb/testsuite/gdb.base/catch-signal.c:40
40 raise (SIGHUP); /* second HUP */
(gdb) c
Continuing.
Catchpoint 1 (signal SIGHUP), main () at
../../../gdb/testsuite/gdb.base/catch-signal.c:42
42 raise (SIGHUP); /* third HUP */
(gdb)
gdb/ChangeLog:
2015-04-22 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (handle_output_debug_string): Don't change
current_event.dwThreadId.
(get_windows_debug_event): Use thread_id, rather than relying on
current_event.dwThreadId being changed.
|
|
Using the 'catch-signal' test from the testsuite, on x86_64 Cygwin:
$ ./gdb testsuite/outputs/gdb.base/catch-signal/catch-signal.exe
[...]
(gdb) catch signal
Catchpoint 1 (standard signals)
(gdb) r
[...]
Catchpoint 1 (signal SIGHUP), main () at
../../../gdb/testsuite/gdb.base/catch-signal.c:40
40 raise (SIGHUP); /* second HUP */
(gdb) c
Continuing.
[hangs]
This is due to a defect in the way Cygwin signals are handled: When
handle_output_debug_string processes a Cygwin signal message, it re-writes
current_event.dwThreadId to reflect the thread that the signal will be delivered
to.
Subsequently, the call to ContinueDebugEvent will fail, because we're trying to
resume the wrong thread. GDB is then stuck waiting forever for another event
that will never come.
This patch doesn't fix the problem, it just adds appropriate error handling.
Using error() seems appropriate here, if ContinueDebugEvent() fails, the
inferior is in an unknown state and we will probably not be debugging it
anymore.
With this patch applied, resuming the execution of the program now yields:
$ ./gdb testsuite/outputs/gdb.base/catch-signal/catch-signal.exe
[...]
(gdb) catch signal
Catchpoint 1 (standard signals)
(gdb) r
[...]
Catchpoint 1 (signal SIGHUP), main () at
../../../gdb/testsuite/gdb.base/catch-signal.c:40
40 raise (SIGHUP); /* second HUP */
(gdb) c
Continuing.
main () at ../../../gdb/testsuite/gdb.base/catch-signal.c:40
40 raise (SIGHUP); /* second HUP */
Failed to resume program execution (ContinueDebugEvent failed, error 87)
(gdb)
gdb/ChangeLog:
2015-04-22 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (windows_continue): Report an error if
ContinueDebugEvent() fails.
|
|
gdb/ChangeLog:
2015-04-16 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (windows_resume): Fix misspelling in debug output.
|
|
gdb/ChangeLog:
2015-04-16 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (get_windows_debug_event): Replace retval with
thread_id throughout. Update stale comment.
|
|
gdb/ChangeLog:
2015-04-16 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (get_windows_debug_event): Don't use ternary
conditional operator.
|
|
The "step" parameters of 'proceed' and 'resume' aren't really useful
as indication of whether run control wants to single-step the target,
as that information must already be retrievable from
currently_stepping. In fact, if currently_stepping disagrees with
whether we single-stepped the target, then things break. Thus instead
of having the same information in two places, this patch removes those
parameters.
Setting 'step_start_function' is the only user of proceed's 'step'
argument, other than passing the 'step' argument down to 'resume' and
debug log output. Move that instead to set_step_frame, where we
already set other related fields.
clear_proceed_status keeps its "step" parameter for now because it
needs to know which set of threads should have their state cleared,
and is called before the "stepping_command" flag is set.
Tested on x86_64 Fedora 20, native and gdbserver.
gdb/ChangeLog:
2015-03-24 Pedro Alves <palves@redhat.com>
* breakpoint.c (until_break_command): Adjust call to proceed.
* gdbthread.h (struct thread_control_state) <stepping_command>:
New field.
* infcall.c (run_inferior_call): Adjust call to proceed.
* infcmd.c (run_command_1, proceed_thread_callback, continue_1):
Adjust calls to proceed.
(set_step_frame): Set the current thread's step_start_function
here.
(step_once): Adjust calls to proceed.
(jump_command, signal_command, until_next_command)
(finish_backward, finish_forward, proceed_after_attach_callback)
(attach_command_post_wait): Adjust calls to proceed.
* infrun.c (proceed_after_vfork_done): Adjust call to proceed.
(do_target_resume): New function, factored out from ...
(resume): ... here. Remove 'step' parameter. Instead, check
currently_stepping to determine whether the thread should be
single-stepped.
(proceed): Remove 'step' parameter and don't set the thread's
step_start_function here. Adjust call to 'resume'.
(handle_inferior_event): Adjust calls to 'resume'.
(switch_back_to_stepped_thread): Use do_target_resume instead of
'resume'.
(keep_going): Adjust calls to 'resume'.
* infrun.h (proceed): Remove 'step' parameter.
(resume): Likewise.
* windows-nat.c (do_initial_windows_stuff): Adjust call to
'resume'.
* mi/mi-main.c (proceed_thread): Adjust call to 'proceed'.
|
|
Building mingw GDB with --enable-build-with-cxx shows:
../../binutils-gdb/gdb/windows-nat.c: At global scope:
../../binutils-gdb/gdb/windows-nat.c:192:1: error: conflicting declaration 'typedef struct thread_info_struct thread_info'
thread_info;
^
In file included from ../../binutils-gdb/gdb/windows-nat.c:52:0:
../../binutils-gdb/gdb/gdbthread.h:160:8: error: 'struct thread_info' has a previous declaration as 'struct thread_info'
struct thread_info
^
Simply rename the structure to avoid the conflict.
gdb/ChangeLog:
2015-03-16 Yuanhui Zhang <asmwarrior@gmail.com>
Pedro Alves <palves@redhat.com>
* windows-nat.c (struct thread_info_struct): Rename to ...
(struct windows_thread_info_struct): ... this.
(thread_info): Rename to ...
(windows_thread_info): ... this.
All users updated.
|
|
This commit introduces a new inline common function "startswith"
which takes two string arguments and returns nonzero if the first
string starts with the second. It also updates the 295 places
where this logic was written out longhand to use the new function.
gdb/ChangeLog:
* common/common-utils.h (startswith): New inline function.
All places where this logic was used updated to use the above.
|
|
For amd64, CONTEXT_FULL does not contain CONTEXT_SEGMENTS, which seems
to be needed to retrieve all the segment registers. Add it explicitly,
with a little de-cruftification.
The value of the segment registers isn't terribly useful on amd64, but
at least this makes the output of 'info registers' correct.
Before:
(gdb) i r cs ss ds es fs gs
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
After:
(gdb) i r cs ss ds es fs gs
cs 0x33 51
ss 0x2b 43
ds 0x2b 43
es 0x2b 43
fs 0x53 83
gs 0x2b 43
gdb/ChangeLog
2015-02-27 Jon TURNEY <jon.turney@dronecode.org.uk>
* windows-nat.c (CONTEXT_DEBUGGER): Remove.
(CONTEXT_DEBUGGER_DR): Add CONTEXT_SEGMENTS. Incorporate flags
from CONTEXT_DEBUGGER.
|
|
gdb/ChangeLog:
Update year range in copyright notice of all files.
|
|
This patch removes a set of commands that have been deprecated for
a while, and which we agreed to remove after the GDB 7.8 release.
gdb/ChangeLog:
* windows-nat.c (safe_symbol_file_add_stub)
(safe_symbol_file_add_cleanup, safe_symbol_file_add)
(dll_symbol_command): Delete.
(_initialize_windows_nat): Delete local variable "c".
Remove "dll-symbols", "add-shared-symbol-files" and assf"
commands.
Tested by rebuilding GDB on x86-windows.
|
|
I found a place that should be giving back the terminal to the target,
but only if the target was already owning it. So I need to add a
getter for who owns the terminal.
The trouble is that several places/target have their own globals to
track this state:
- inflow.c:terminal_is_ours
- remote.c:remote_async_terminal_ours_p
- linux-nat.c:async_terminal_is_ours
- go32-nat.c:terminal_is_ours
While one might think of adding a new target_ops method to query this,
conceptually, this state isn't really part of a particular target_ops.
Considering multi-target, the core shouldn't have to ask all targets
to know whether it's GDB that owns the terminal. There's only one GDB
(or rather, only one top level interpreter).
So what this comment does is add a new global that is tracked by the
core instead. A subsequent pass may later remove the other globals.
Tested on x86_64 Fedora 20, native and gdbserver.
gdb/
2014-10-17 Pedro Alves <palves@redhat.com>
* target.c (enum terminal_state): New enum.
(terminal_state): New global.
(target_terminal_init): New function.
(target_terminal_inferior): Skip if inferior already owns the
terminal.
(target_terminal_ours, target_terminal_ours_for_output): New
functions.
* target.h (target_terminal_init): Convert to function prototype.
(target_terminal_ours_for_output): Convert to function prototype
and tweak comment.
(target_terminal_ours): Convert to function prototype and tweak
comment.
* windows-nat.c (do_initial_windows_stuff): Call
target_terminal_init instead of child_terminal_init_with_pgrp.
|
|
defs.h includes utils.h, and utils.h includes exceptions.h. All GDB
.c files include defs.h as their first line, so no file other than
utils.h needs to include exceptions.h. This commit removes all such
inclusions.
gdb/ChangeLog:
* ada-lang.c: Do not include exceptions.h.
* ada-valprint.c: Likewise.
* amd64-tdep.c: Likewise.
* auto-load.c: Likewise.
* block.c: Likewise.
* break-catch-throw.c: Likewise.
* breakpoint.c: Likewise.
* btrace.c: Likewise.
* c-lang.c: Likewise.
* cli/cli-cmds.c: Likewise.
* cli/cli-interp.c: Likewise.
* cli/cli-script.c: Likewise.
* completer.c: Likewise.
* corefile.c: Likewise.
* corelow.c: Likewise.
* cp-abi.c: Likewise.
* cp-support.c: Likewise.
* cp-valprint.c: Likewise.
* darwin-nat.c: Likewise.
* dwarf2-frame-tailcall.c: Likewise.
* dwarf2-frame.c: Likewise.
* dwarf2loc.c: Likewise.
* dwarf2read.c: Likewise.
* eval.c: Likewise.
* event-loop.c: Likewise.
* event-top.c: Likewise.
* f-valprint.c: Likewise.
* frame-unwind.c: Likewise.
* frame.c: Likewise.
* gdbtypes.c: Likewise.
* gnu-v2-abi.c: Likewise.
* gnu-v3-abi.c: Likewise.
* guile/scm-auto-load.c: Likewise.
* guile/scm-breakpoint.c: Likewise.
* guile/scm-cmd.c: Likewise.
* guile/scm-frame.c: Likewise.
* guile/scm-lazy-string.c: Likewise.
* guile/scm-param.c: Likewise.
* guile/scm-symbol.c: Likewise.
* guile/scm-type.c: Likewise.
* hppa-hpux-tdep.c: Likewise.
* i386-tdep.c: Likewise.
* inf-loop.c: Likewise.
* infcall.c: Likewise.
* infcmd.c: Likewise.
* infrun.c: Likewise.
* interps.c: Likewise.
* interps.h: Likewise.
* jit.c: Likewise.
* linespec.c: Likewise.
* linux-nat.c: Likewise.
* linux-thread-db.c: Likewise.
* m32r-rom.c: Likewise.
* main.c: Likewise.
* memory-map.c: Likewise.
* mi/mi-cmd-break.c: Likewise.
* mi/mi-cmd-stack.c: Likewise.
* mi/mi-interp.c: Likewise.
* mi/mi-main.c: Likewise.
* monitor.c: Likewise.
* nto-procfs.c: Likewise.
* objc-lang.c: Likewise.
* p-valprint.c: Likewise.
* parse.c: Likewise.
* ppc-linux-tdep.c: Likewise.
* printcmd.c: Likewise.
* probe.c: Likewise.
* python/py-auto-load.c: Likewise.
* python/py-breakpoint.c: Likewise.
* python/py-cmd.c: Likewise.
* python/py-finishbreakpoint.c: Likewise.
* python/py-frame.c: Likewise.
* python/py-framefilter.c: Likewise.
* python/py-function.c: Likewise.
* python/py-gdb-readline.c: Likewise.
* python/py-inferior.c: Likewise.
* python/py-infthread.c: Likewise.
* python/py-lazy-string.c: Likewise.
* python/py-linetable.c: Likewise.
* python/py-param.c: Likewise.
* python/py-prettyprint.c: Likewise.
* python/py-symbol.c: Likewise.
* python/py-type.c: Likewise.
* python/py-value.c: Likewise.
* python/python-internal.h: Likewise.
* python/python.c: Likewise.
* record-btrace.c: Likewise.
* record-full.c: Likewise.
* regcache.c: Likewise.
* remote-fileio.c: Likewise.
* remote-mips.c: Likewise.
* remote.c: Likewise.
* rs6000-aix-tdep.c: Likewise.
* rs6000-nat.c: Likewise.
* skip.c: Likewise.
* solib-darwin.c: Likewise.
* solib-dsbt.c: Likewise.
* solib-frv.c: Likewise.
* solib-ia64-hpux.c: Likewise.
* solib-spu.c: Likewise.
* solib-svr4.c: Likewise.
* solib.c: Likewise.
* spu-tdep.c: Likewise.
* stack.c: Likewise.
* stap-probe.c: Likewise.
* symfile-mem.c: Likewise.
* symmisc.c: Likewise.
* target.c: Likewise.
* thread.c: Likewise.
* top.c: Likewise.
* tracepoint.c: Likewise.
* tui/tui-interp.c: Likewise.
* typeprint.c: Likewise.
* utils.c: Likewise.
* valarith.c: Likewise.
* valops.c: Likewise.
* valprint.c: Likewise.
* value.c: Likewise.
* varobj.c: Likewise.
* windows-nat.c: Likewise.
* xml-support.c: Likewise.
|
|
This commit renames nine files that contain code used by both 32- and
64-bit Intel ports such that their names are prefixed with "x86"
rather than "i386". All types, functions and variables within these
files are likewise renamed such that their names are prefixed with
"x86" rather than "i386". This makes GDB follow the convention used
by gdbserver such that 32-bit Intel code lives in files called
"i386-*", 64-bit Intel code lives in files called "amd64-*", and code
for both 32- and 64-bit Intel lives in files called "x86-*".
This commit only renames OS-independent files. The Linux ports of
both GDB and gdbserver now follow the i386/amd64/x86 convention fully.
Some ports still use the old convention where "i386" in file/function/
type/variable names can mean "32-bit only" or "32- and 64-bit" but I
don't want to touch ports I can't fully test except where absolutely
necessary.
gdb/ChangeLog:
* i386-nat.h: Renamed as...
* x86-nat.h: New file. All type, function and variable name
prefixes changed from "i386_" to "x86_". All references updated.
* i386-nat.c: Renamed as...
* x86-nat.c: New file. All type, function and variable name
prefixes changed from "i386_" to "x86_". All references updated.
* common/i386-xstate.h: Renamed as...
* common/x86-xstate.h: New file. All type, function and variable
name prefixes changed from "i386_" to "x86_". All references
updated.
* nat/i386-cpuid.h: Renamed as...
* nat/x86-cpuid.h: New file. All type, function and variable name
prefixes changed from "i386_" to "x86_". All references updated.
* nat/i386-gcc-cpuid.h: Renamed as...
* nat/x86-gcc-cpuid.h: New file. All type, function and variable
name prefixes changed from "i386_" to "x86_". All references
updated.
* nat/i386-dregs.h: Renamed as...
* nat/x86-dregs.h: New file. All type, function and variable name
prefixes changed from "i386_" to "x86_". All references updated.
* nat/i386-dregs.c: Renamed as...
* nat/x86-dregs.c: New file. All type, function and variable name
prefixes changed from "i386_" to "x86_". All references updated.
gdb/gdbserver/ChangeLog:
* i386-low.h: Renamed as...
* x86-low.h: New file. All type, function and variable name
prefixes changed from "i386_" to "x86_". All references updated.
* i386-low.c: Renamed as...
* x86-low.c: New file. All type, function and variable name
prefixes changed from "i386_" to "x86_". All references updated.
|
|
This commit includes string.h in common-defs.h and removes all other
inclusions.
gdb/
2014-08-07 Gary Benson <gbenson@redhat.com>
* common/common-defs.h: Include string.h.
* aarch64-tdep.c: Do not include string.h.
* ada-exp.y: Likewise.
* ada-lang.c: Likewise.
* ada-lex.l: Likewise.
* ada-typeprint.c: Likewise.
* ada-valprint.c: Likewise.
* aix-thread.c: Likewise.
* alpha-linux-tdep.c: Likewise.
* alpha-mdebug-tdep.c: Likewise.
* alpha-nat.c: Likewise.
* alpha-osf1-tdep.c: Likewise.
* alpha-tdep.c: Likewise.
* alphanbsd-tdep.c: Likewise.
* amd64-dicos-tdep.c: Likewise.
* amd64-linux-tdep.c: Likewise.
* amd64-nat.c: Likewise.
* amd64-sol2-tdep.c: Likewise.
* amd64fbsd-tdep.c: Likewise.
* amd64obsd-tdep.c: Likewise.
* arch-utils.c: Likewise.
* arm-linux-nat.c: Likewise.
* arm-linux-tdep.c: Likewise.
* arm-tdep.c: Likewise.
* arm-wince-tdep.c: Likewise.
* armbsd-tdep.c: Likewise.
* armnbsd-nat.c: Likewise.
* armnbsd-tdep.c: Likewise.
* armobsd-tdep.c: Likewise.
* avr-tdep.c: Likewise.
* ax-gdb.c: Likewise.
* ax-general.c: Likewise.
* bcache.c: Likewise.
* bfin-tdep.c: Likewise.
* breakpoint.c: Likewise.
* build-id.c: Likewise.
* buildsym.c: Likewise.
* c-exp.y: Likewise.
* c-lang.c: Likewise.
* c-typeprint.c: Likewise.
* c-valprint.c: Likewise.
* charset.c: Likewise.
* cli-out.c: Likewise.
* cli/cli-cmds.c: Likewise.
* cli/cli-decode.c: Likewise.
* cli/cli-dump.c: Likewise.
* cli/cli-interp.c: Likewise.
* cli/cli-logging.c: Likewise.
* cli/cli-script.c: Likewise.
* cli/cli-setshow.c: Likewise.
* cli/cli-utils.c: Likewise.
* coffread.c: Likewise.
* common/agent.c: Likewise.
* common/buffer.c: Likewise.
* common/buffer.h: Likewise.
* common/common-utils.c: Likewise.
* common/filestuff.c: Likewise.
* common/filestuff.c: Likewise.
* common/format.c: Likewise.
* common/print-utils.c: Likewise.
* common/rsp-low.c: Likewise.
* common/signals.c: Likewise.
* common/vec.h: Likewise.
* common/xml-utils.c: Likewise.
* core-regset.c: Likewise.
* corefile.c: Likewise.
* corelow.c: Likewise.
* cp-abi.c: Likewise.
* cp-name-parser.y: Likewise.
* cp-support.c: Likewise.
* cp-valprint.c: Likewise.
* cris-tdep.c: Likewise.
* d-exp.y: Likewise.
* darwin-nat.c: Likewise.
* dbxread.c: Likewise.
* dcache.c: Likewise.
* demangle.c: Likewise.
* dicos-tdep.c: Likewise.
* disasm.c: Likewise.
* doublest.c: Likewise.
* dsrec.c: Likewise.
* dummy-frame.c: Likewise.
* dwarf2-frame.c: Likewise.
* dwarf2loc.c: Likewise.
* dwarf2read.c: Likewise.
* elfread.c: Likewise.
* environ.c: Likewise.
* eval.c: Likewise.
* event-loop.c: Likewise.
* exceptions.c: Likewise.
* exec.c: Likewise.
* expprint.c: Likewise.
* f-exp.y: Likewise.
* f-lang.c: Likewise.
* f-typeprint.c: Likewise.
* f-valprint.c: Likewise.
* fbsd-nat.c: Likewise.
* findcmd.c: Likewise.
* findvar.c: Likewise.
* fork-child.c: Likewise.
* frame.c: Likewise.
* frv-linux-tdep.c: Likewise.
* frv-tdep.c: Likewise.
* gdb.c: Likewise.
* gdb_bfd.c: Likewise.
* gdbarch.c: Likewise.
* gdbarch.sh: Likewise.
* gdbtypes.c: Likewise.
* gnu-nat.c: Likewise.
* gnu-v2-abi.c: Likewise.
* gnu-v3-abi.c: Likewise.
* go-exp.y: Likewise.
* go-lang.c: Likewise.
* go32-nat.c: Likewise.
* guile/guile.c: Likewise.
* guile/scm-auto-load.c: Likewise.
* hppa-hpux-tdep.c: Likewise.
* hppa-linux-nat.c: Likewise.
* hppanbsd-tdep.c: Likewise.
* hppaobsd-tdep.c: Likewise.
* i386-cygwin-tdep.c: Likewise.
* i386-dicos-tdep.c: Likewise.
* i386-linux-tdep.c: Likewise.
* i386-nto-tdep.c: Likewise.
* i386-sol2-tdep.c: Likewise.
* i386-tdep.c: Likewise.
* i386bsd-tdep.c: Likewise.
* i386gnu-nat.c: Likewise.
* i386nbsd-tdep.c: Likewise.
* i386obsd-tdep.c: Likewise.
* i387-tdep.c: Likewise.
* ia64-libunwind-tdep.c: Likewise.
* ia64-linux-nat.c: Likewise.
* inf-child.c: Likewise.
* inf-ptrace.c: Likewise.
* inf-ttrace.c: Likewise.
* infcall.c: Likewise.
* infcmd.c: Likewise.
* inflow.c: Likewise.
* infrun.c: Likewise.
* interps.c: Likewise.
* iq2000-tdep.c: Likewise.
* irix5-nat.c: Likewise.
* jv-exp.y: Likewise.
* jv-lang.c: Likewise.
* jv-typeprint.c: Likewise.
* jv-valprint.c: Likewise.
* language.c: Likewise.
* linux-fork.c: Likewise.
* linux-nat.c: Likewise.
* lm32-tdep.c: Likewise.
* m2-exp.y: Likewise.
* m2-typeprint.c: Likewise.
* m32c-tdep.c: Likewise.
* m32r-linux-nat.c: Likewise.
* m32r-linux-tdep.c: Likewise.
* m32r-rom.c: Likewise.
* m32r-tdep.c: Likewise.
* m68hc11-tdep.c: Likewise.
* m68k-tdep.c: Likewise.
* m68kbsd-tdep.c: Likewise.
* m68klinux-nat.c: Likewise.
* m68klinux-tdep.c: Likewise.
* m88k-tdep.c: Likewise.
* machoread.c: Likewise.
* macrocmd.c: Likewise.
* main.c: Likewise.
* mdebugread.c: Likewise.
* mem-break.c: Likewise.
* memattr.c: Likewise.
* memory-map.c: Likewise.
* mep-tdep.c: Likewise.
* mi/mi-cmd-break.c: Likewise.
* mi/mi-cmd-disas.c: Likewise.
* mi/mi-cmd-env.c: Likewise.
* mi/mi-cmd-stack.c: Likewise.
* mi/mi-cmd-var.c: Likewise.
* mi/mi-cmds.c: Likewise.
* mi/mi-console.c: Likewise.
* mi/mi-getopt.c: Likewise.
* mi/mi-interp.c: Likewise.
* mi/mi-main.c: Likewise.
* mi/mi-parse.c: Likewise.
* microblaze-rom.c: Likewise.
* microblaze-tdep.c: Likewise.
* mingw-hdep.c: Likewise.
* minidebug.c: Likewise.
* minsyms.c: Likewise.
* mips-irix-tdep.c: Likewise.
* mips-linux-tdep.c: Likewise.
* mips-tdep.c: Likewise.
* mips64obsd-tdep.c: Likewise.
* mipsnbsd-tdep.c: Likewise.
* mipsread.c: Likewise.
* mn10300-linux-tdep.c: Likewise.
* mn10300-tdep.c: Likewise.
* monitor.c: Likewise.
* moxie-tdep.c: Likewise.
* mt-tdep.c: Likewise.
* nat/linux-btrace.c: Likewise.
* nat/linux-osdata.c: Likewise.
* nat/linux-procfs.c: Likewise.
* nat/linux-ptrace.c: Likewise.
* nat/linux-waitpid.c: Likewise.
* nbsd-tdep.c: Likewise.
* nios2-linux-tdep.c: Likewise.
* nto-procfs.c: Likewise.
* nto-tdep.c: Likewise.
* objc-lang.c: Likewise.
* objfiles.c: Likewise.
* opencl-lang.c: Likewise.
* osabi.c: Likewise.
* osdata.c: Likewise.
* p-exp.y: Likewise.
* p-lang.c: Likewise.
* p-typeprint.c: Likewise.
* parse.c: Likewise.
* posix-hdep.c: Likewise.
* ppc-linux-nat.c: Likewise.
* ppc-sysv-tdep.c: Likewise.
* ppcfbsd-tdep.c: Likewise.
* ppcnbsd-tdep.c: Likewise.
* ppcobsd-tdep.c: Likewise.
* printcmd.c: Likewise.
* procfs.c: Likewise.
* prologue-value.c: Likewise.
* python/py-auto-load.c: Likewise.
* python/py-gdb-readline.c: Likewise.
* ravenscar-thread.c: Likewise.
* regcache.c: Likewise.
* registry.c: Likewise.
* remote-fileio.c: Likewise.
* remote-m32r-sdi.c: Likewise.
* remote-mips.c: Likewise.
* remote-notif.c: Likewise.
* remote-sim.c: Likewise.
* remote.c: Likewise.
* reverse.c: Likewise.
* rs6000-aix-tdep.c: Likewise.
* ser-base.c: Likewise.
* ser-go32.c: Likewise.
* ser-mingw.c: Likewise.
* ser-pipe.c: Likewise.
* ser-tcp.c: Likewise.
* ser-unix.c: Likewise.
* serial.c: Likewise.
* sh-tdep.c: Likewise.
* sh64-tdep.c: Likewise.
* shnbsd-tdep.c: Likewise.
* skip.c: Likewise.
* sol-thread.c: Likewise.
* solib-dsbt.c: Likewise.
* solib-frv.c: Likewise.
* solib-osf.c: Likewise.
* solib-som.c: Likewise.
* solib-spu.c: Likewise.
* solib-target.c: Likewise.
* solib.c: Likewise.
* somread.c: Likewise.
* source.c: Likewise.
* sparc-nat.c: Likewise.
* sparc-sol2-tdep.c: Likewise.
* sparc-tdep.c: Likewise.
* sparc64-tdep.c: Likewise.
* sparc64fbsd-tdep.c: Likewise.
* sparc64nbsd-tdep.c: Likewise.
* sparcnbsd-tdep.c: Likewise.
* spu-linux-nat.c: Likewise.
* spu-multiarch.c: Likewise.
* spu-tdep.c: Likewise.
* stabsread.c: Likewise.
* stack.c: Likewise.
* std-regs.c: Likewise.
* symfile.c: Likewise.
* symmisc.c: Likewise.
* symtab.c: Likewise.
* target.c: Likewise.
* thread.c: Likewise.
* tilegx-linux-nat.c: Likewise.
* tilegx-tdep.c: Likewise.
* top.c: Likewise.
* tracepoint.c: Likewise.
* tui/tui-command.c: Likewise.
* tui/tui-data.c: Likewise.
* tui/tui-disasm.c: Likewise.
* tui/tui-file.c: Likewise.
* tui/tui-layout.c: Likewise.
* tui/tui-out.c: Likewise.
* tui/tui-regs.c: Likewise.
* tui/tui-source.c: Likewise.
* tui/tui-stack.c: Likewise.
* tui/tui-win.c: Likewise.
* tui/tui-windata.c: Likewise.
* tui/tui-winsource.c: Likewise.
* typeprint.c: Likewise.
* ui-file.c: Likewise.
* ui-out.c: Likewise.
* user-regs.c: Likewise.
* utils.c: Likewise.
* v850-tdep.c: Likewise.
* valarith.c: Likewise.
* valops.c: Likewise.
* valprint.c: Likewise.
* value.c: Likewise.
* varobj.c: Likewise.
* vax-tdep.c: Likewise.
* vaxnbsd-tdep.c: Likewise.
* vaxobsd-tdep.c: Likewise.
* windows-nat.c: Likewise.
* xcoffread.c: Likewise.
* xml-support.c: Likewise.
* xstormy16-tdep.c: Likewise.
* xtensa-linux-nat.c: Likewise.
gdb/gdbserver/
2014-08-07 Gary Benson <gbenson@redhat.com>
* server.h: Do not include string.h.
* event-loop.c: Likewise.
* linux-low.c: Likewise.
* regcache.c: Likewise.
* remote-utils.c: Likewise.
* spu-low.c: Likewise.
* utils.c: Likewise.
|
|
This commit moves the inclusion of stdlib.h to common-defs.h and
removes all other inclusions.
gdb/
2014-08-07 Gary Benson <gbenson@redhat.com>
* common/common-defs.h: Include stdlib.h.
* defs.h: Do not include stdlib.h.
* addrmap.c: Likewise.
* bcache.c: Likewise.
* common/buffer.c: Likewise.
* common/common-utils.c: Likewise.
* cp-name-parser.y: Likewise.
* go32-nat.c: Likewise.
* mn10300-linux-tdep.c: Likewise.
* nat/linux-osdata.c: Likewise.
* tui/tui.c: Likewise.
* windows-nat.c: Likewise.
gdb/gdbserver/
2014-08-07 Gary Benson <gbenson@redhat.com>
* server.h: Do not include stdlib.h.
* inferiors.c: Likewise.
* linux-low.c: Likewise.
* regcache.c: Likewise.
* spu-low.c: Likewise.
* tracepoint.c: Likewise.
* utils.c: Likewise.
|
|
A previous patch added a new parameter to clear_proceed_status, but
forgot to update a few callers.
Tested by building on x86_64 Fedora 20, with --enable-targets=all.
gdb/
2014-07-25 Pedro Alves <palves@redhat.com>
* go32-nat.c (go32_create_inferior): Pass 0 to clear_proceed_status.
* monitor.c (monitor_create_inferior): Likewise.
* remote-m32r-sdi.c (m32r_create_inferior): Likewise.
* remote-sim.c (gdbsim_create_inferior): Likewise.
* solib-irix.c (irix_solib_create_inferior_hook): Likewise.
* solib-osf.c (osf_solib_create_inferior_hook): Likewise.
* windows-nat.c (do_initial_windows_stuff): Likewise.
|
|
This patch cleans up some minor inconsistencies in target delegation.
It's primary purpose is to avoid confusion in the code. A few spots
were checking the "beneath" target; however this can only be NULL for
the dummy target, so such tests are not needed. Some other spots were
iterating over the beneath targets, looking for a method
implementation. This is not needed for methods handled by
make-target-delegates, as there is always an implementation.
2014-07-18 Tom Tromey <tromey@redhat.com>
PR gdb/17130:
* spu-multiarch.c (spu_region_ok_for_hw_watchpoint)
(spu_fetch_registers, spu_store_registers, spu_xfer_partial)
(spu_search_memory, spu_mourn_inferior): Simplify delegation.
* linux-thread-db.c (thread_db_pid_to_str): Always delegate.
* windows-nat.c (windows_xfer_partial): Always delegate.
* record-btrace.c (record_btrace_xfer_partial): Simplify
delegation.
(record_btrace_fetch_registers, record_btrace_store_registers)
(record_btrace_prepare_to_store, record_btrace_resume)
(record_btrace_wait, record_btrace_find_new_threads)
(record_btrace_thread_alive): Likewise.
* procfs.c (procfs_xfer_partial): Always delegate.
* corelow.c (core_xfer_partial): Always delegate.
* sol-thread.c (sol_find_new_threads): Simplify delegation.
|
|
This constifies the "args" argument to the target_ops to_attach
method.
I updated all instances of the method. I could not compile all of
them but I hand-inspected them. In all cases either the argument is
ignored, or it is passed to parse_pid_to_attach. (linux-nat does some
extra stuff, but that one I built...)
If you want to try it on your host of choice, please do so.
The code in parse_pid_to_attach seems a little bogus to me. If there
is a platform with a broken strtoul, we have better methods for fixing
the issue now. However, I left the code as is since it is clearly ok
to do so.
Built and regtested on x86-64 Fedora 20.
2014-06-04 Tom Tromey <tromey@redhat.com>
* procfs.c (procfs_attach): Make "args" const.
* windows-nat.c (windows_attach): Make "args" const.
* nto-procfs.c (procfs_attach): Make "args" const.
* inf-ttrace.c (inf_ttrace_attach): Make "args" const.
* go32-nat.c (go32_attach): Make "args" const.
* gnu-nat.c (gnu_attach): Make "args" const.
* darwin-nat.c (darwin_attach): Make "args" const.
* inf-ptrace.c (inf_ptrace_attach): Make "args" const.
* linux-nat.c (linux_nat_attach): Make "args" const.
* remote.c (extended_remote_attach_1, extended_remote_attach):
Make "args" const.
* target.h (struct target_ops) <to_attach>: Make "args" const.
(find_default_attach): Likewise.
* utils.c (parse_pid_to_attach): Make "args" const.
* utils.h (parse_pid_to_attach): Update.
|
|
Move infrun.c declarations out of inferior.h to a new infrun.h file.
Tested by building on:
i686-w64-mingw32, enable-targets=all
x86_64-linux, enable-targets=all
i586-pc-msdosdjgpp
And also grepped the whole tree for each symbol moved to find where
infrun.h might be necessary.
gdb/
2014-05-22 Pedro Alves <palves@redhat.com>
* inferior.h (debug_infrun, debug_displaced, stop_on_solib_events)
(sync_execution, sched_multi, step_stop_if_no_debug, non_stop)
(disable_randomization, enum exec_direction_kind)
(execution_direction, stop_registers, start_remote)
(clear_proceed_status, proceed, resume, user_visible_resume_ptid)
(wait_for_inferior, normal_stop, get_last_target_status)
(prepare_for_detach, fetch_inferior_event, init_wait_for_inferior)
(insert_step_resume_breakpoint_at_sal)
(follow_inferior_reset_breakpoints, stepping_past_instruction_at)
(set_step_info, print_stop_event, signal_stop_state)
(signal_print_state, signal_pass_state, signal_stop_update)
(signal_print_update, signal_pass_update)
(update_signals_program_target, clear_exit_convenience_vars)
(displaced_step_dump_bytes, update_observer_mode)
(signal_catch_update, gdb_signal_from_command): Move
declarations ...
* infrun.h: ... to this new file.
* amd64-tdep.c: Include infrun.h.
* annotate.c: Include infrun.h.
* arch-utils.c: Include infrun.h.
* arm-linux-tdep.c: Include infrun.h.
* arm-tdep.c: Include infrun.h.
* break-catch-sig.c: Include infrun.h.
* breakpoint.c: Include infrun.h.
* common/agent.c: Include infrun.h instead of inferior.h.
* corelow.c: Include infrun.h.
* event-top.c: Include infrun.h.
* go32-nat.c: Include infrun.h.
* i386-tdep.c: Include infrun.h.
* inf-loop.c: Include infrun.h.
* infcall.c: Include infrun.h.
* infcmd.c: Include infrun.h.
* infrun.c: Include infrun.h.
* linux-fork.c: Include infrun.h.
* linux-nat.c: Include infrun.h.
* linux-thread-db.c: Include infrun.h.
* monitor.c: Include infrun.h.
* nto-tdep.c: Include infrun.h.
* procfs.c: Include infrun.h.
* record-btrace.c: Include infrun.h.
* record-full.c: Include infrun.h.
* remote-m32r-sdi.c: Include infrun.h.
* remote-mips.c: Include infrun.h.
* remote-notif.c: Include infrun.h.
* remote-sim.c: Include infrun.h.
* remote.c: Include infrun.h.
* reverse.c: Include infrun.h.
* rs6000-tdep.c: Include infrun.h.
* s390-linux-tdep.c: Include infrun.h.
* solib-irix.c: Include infrun.h.
* solib-osf.c: Include infrun.h.
* solib-svr4.c: Include infrun.h.
* target.c: Include infrun.h.
* top.c: Include infrun.h.
* windows-nat.c: Include infrun.h.
* mi/mi-interp.c: Include infrun.h.
* mi/mi-main.c: Include infrun.h.
* python/py-threadevent.c: Include infrun.h.
|
|
Most ports do the same thing in the tail of their mourn routine - call
generic_mourn_inferior+inf_child_maybe_unpush_target.
This factors that out to a convenience function. More could be done,
but this converts only the really obvious ones.
Tested by building GDB on x86_64 Fedora 20, mingw32 and djgpp. The
rest is untested, but I think a patch can't get more obvious.
gdb/
2014-05-21 Pedro Alves <palves@redhat.com>
* inf-child.c (inf_child_mourn_inferior): New function.
* inf-child.h (inf_child_mourn_inferior): New declaration.
* darwin-nat.c (darwin_mourn_inferior): Use
inf_child_mourn_inferior.
* gnu-nat.c (gnu_mourn_inferior): Likewise.
* inf-ptrace.c (inf_ptrace_mourn_inferior): Likewise.
* inf-ttrace.c (inf_ttrace_mourn_inferior): Likewise.
* nto-procfs.c (procfs_mourn_inferior): Likewise.
* windows-nat.c (windows_mourn_inferior): Likewise.
|
|
Sometimes it's useful to be able to disable the automatic connection
to the native target. E.g., sometimes GDB disconnects from the
extended-remote target I was debugging, without me noticing it, and
then I do "run". That starts the program locally, and only after a
little head scratch session do I figure out the program is running
locally instead of remotely as intended. Same thing with "attach",
"info os", etc.
With the patch, we now can have this instead:
(gdb) set auto-connect-native-target off
(gdb) target extended-remote :9999
...
*gdb disconnects*
(gdb) run
Don't know how to run. Try "help target".
To still be able to connect to the native target with
auto-connect-native-target set to off, I've made "target native" work
instead of erroring out as today.
Before:
(gdb) target native
Use the "run" command to start a native process.
After:
(gdb) target native
Done. Use the "run" command to start a process.
(gdb) maint print target-stack
The current target stack is:
- native (Native process)
- exec (Local exec file)
- None (None)
(gdb) run
Starting program: ./a.out
...
I've also wanted this for the testsuite, when running against the
native-extended-gdbserver.exp board (runs against gdbserver in
extended-remote mode). With a non-native-target board, it's always a
bug to launch a program with the native target. Turns out we still
have one such case this patch catches:
(gdb) break main
Breakpoint 1 at 0x4009e5: file ../../../src/gdb/testsuite/gdb.base/coremaker.c, line 138.
(gdb) run
Don't know how to run. Try "help target".
(gdb) FAIL: gdb.base/corefile.exp: run: with core
On the patch itself, probably the least obvious bit is the need to go
through all targets, and move the unpush_target call to after the
generic_mourn_inferior call instead of before. This is what
inf-ptrace.c does too, ever since multi-process support was added.
The reason inf-ptrace.c does things in that order is that in the
current multi-process/single-target model, we shouldn't unpush the
target if there are still other live inferiors being debugged. The
check for that is "have_inferiors ()" (a misnomer nowadays...), which
does:
have_inferiors (void)
{
for (inf = inferior_list; inf; inf = inf->next)
if (inf->pid != 0)
return 1;
It's generic_mourn_inferior that ends up clearing inf->pid, so we need
to call it before the have_inferiors check. To make all native
targets behave the same WRT to explicit "target native", I've added an
inf_child_maybe_unpush_target function that targets call instead of
calling unpush_target directly, and as that includes the
have_inferiors check, I needed to adjust the targets.
Tested on x86_64 Fedora 20, native, and also with the
extended-gdbserver board.
Confirmed a cross build of djgpp gdb still builds.
Smoke tested a cross build of Windows gdb under Wine.
Untested otherwise.
gdb/
2014-05-21 Pedro Alves <palves@redhat.com>
* inf-child.c (inf_child_ops, inf_child_explicitly_opened): New
globals.
(inf_child_open_target): New function.
(inf_child_open): Use inf_child_open_target to push the target
instead of erroring out.
(inf_child_disconnect, inf_child_close)
(inf_child_maybe_unpush_target): New functions.
(inf_child_target): Install inf_child_disconnect and
inf_child_close. Store a pointer to the returned object.
* inf-child.h (inf_child_open_target, inf_child_maybe_unpush): New
declarations.
* target.c (auto_connect_native_target): New global.
(show_default_run_target): New function.
(find_default_run_target): Return NULL if automatically connecting
to the native target is disabled.
(_initialize_target): Install set/show auto-connect-native-target.
* NEWS: Mention "set auto-connect-native-target", and "target
native".
* linux-nat.c (super_close): New global.
(linux_nat_close): Call super_close.
(linux_nat_add_target): Store a pointer to the base class's
to_close method.
* inf-ptrace.c (inf_ptrace_mourn_inferior, inf_ptrace_detach): Use
inf_child_maybe_unpush.
* inf-ttrace.c (inf_ttrace_him): Don't push the target if it is
already pushed.
(inf_ttrace_mourn_inferior): Only unpush the target after mourning
the inferior. Use inf_child_maybe_unpush_target.
(inf_ttrace_attach): Don't push the target if it is already
pushed.
(inf_ttrace_detach): Use inf_child_maybe_unpush_target.
* darwin-nat.c (darwin_mourn_inferior): Only unpush the target
after mourning the inferior. Use inf_child_maybe_unpush_target.
(darwin_attach_pid): Don't push the target if it is already
pushed.
* gnu-nat.c (gnu_mourn_inferior): Only unpush the target after
mourning the inferior. Use inf_child_maybe_unpush_target.
(gnu_detach): Use inf_child_maybe_unpush_target.
* go32-nat.c (go32_create_inferior): Don't push the target if it
is already pushed.
(go32_mourn_inferior): Use inf_child_maybe_unpush_target.
* nto-procfs.c (procfs_is_nto_target): Adjust comment.
(procfs_open): Rename to ...
(procfs_open_1): ... this. Add target_ops parameter. Adjust
comments. Can target_preopen before changing node. Call
inf_child_open_target to push the target explicitly.
(procfs_attach): Don't push the target if it is already pushed.
(procfs_detach): Use inf_child_maybe_unpush_target.
(procfs_create_inferior): Don't push the target if it is already
pushed.
(nto_native_ops): New global.
(procfs_open): Reimplement.
(procfs_native_open): New function.
(init_procfs_targets): Install procfs_native_open as to_open of
"target native". Store a pointer to the "native" target in
nto_native_ops.
* procfs.c (procfs_attach): Don't push the target if it is already
pushed.
(procfs_detach): Use inf_child_maybe_unpush_target.
(procfs_mourn_inferior): Only unpush the target after mourning the
inferior. Use inf_child_maybe_unpush_target.
(procfs_init_inferior): Don't push the target if it is already
pushed.
* windows-nat.c (do_initial_windows_stuff): Don't push the target
if it is already pushed.
(windows_detach): Use inf_child_maybe_unpush_target.
(windows_mourn_inferior): Only unpush the target after mourning
the inferior. Use inf_child_maybe_unpush_target.
gdb/doc/
2014-05-21 Pedro Alves <palves@redhat.com>
* gdb.texinfo (Starting): Document "set/show
auto-connect-native-target".
(Target Commands): Document "target native".
gdb/testsuite/
2014-05-21 Pedro Alves <palves@redhat.com>
* boards/gdbserver-base.exp (GDBFLAGS): Set to "set
auto-connect-native-target off".
* gdb.base/auto-connect-native-target.c: New file.
* gdb.base/auto-connect-native-target.exp: New file.
|
|
To be like other native targets.
Leave to_shortname, to_longname, to_doc as inf-child.c sets them:
t->to_shortname = "native";
t->to_longname = "Native process";
t->to_doc = "Native process (started by the \"run\" command).";
gdb/
2014-05-21 Pedro Alves <palves@redhat.com>
* windows-nat.c (windows_target): Don't override to_shortname,
to_longname or to_doc.
|
|
gdb/windows-nat.c (thread_rec): Don't display a warning when
SuspendThread fails with ERROR_ACCESS_DENIED. If SuspendThread
fails for any reason, set th->suspended to -1, so that we don't
try to resume such a thread. Also, don't return NULL in these
cases, to avoid completely ruin the session due to "PC register is
not available" error.
(do_windows_fetch_inferior_registers): Check errors in
GetThreadContext call.
(windows_continue): Accept an additional argument KILLED; if not
zero, ignore errors in the SetThreadContext call, since the
inferior was killed and is shutting down.
(windows_resume, get_windows_debug_event)
(windows_create_inferior, windows_mourn_inferior)
(windows_kill_inferior): All callers of windows_continue changed
to adjust to its new calling sequence.
|
|
Looking at target_terminal_inferior etc. in async mode, I realized
that the naming of the terminal_inferior, terminal_ours,
etc. functions doesn't really give a clue that they're meant for the
native target only. This patch renames them. There's already
child_terminal_info using the child_ prefix, and, they're most
prominently installed by inf-child.c, so I went with the child_
prefix. I dropped "inferior" from a couple to make the name match the
corresponding target method.
Tested on x86_64 Fedora 17, and cross built for mingw. I didn't test
gnu-nat.c, but I think the change is as obvious as it gets. I grepped
the tree looking for other potential spots that would need adjustment
but this is all I found. If something breaks, it should be trivial to
fix.
gdb/
2014-03-14 Pedro Alves <palves@redhat.com>
* inferior.h (terminal_ours_for_output): Rename to ...
(child_terminal_ours_for_output): ... this.
(terminal_save_ours): Rename to ...
(child_terminal_save_ours): ... this.
(terminal_ours): Rename to ...
(child_terminal_ours): ... this.
(terminal_inferior): Rename to ...
(child_terminal_inferior): ... this.
(terminal_init_inferior): Rename to ...
(child_terminal_init_inferior): ... this.
(terminal_init_inferior_with_pgrp): Rename to ...
(child_terminal_init_inferior_with_pgrp): ... this.
* inflow.c (terminal_init_inferior_with_pgrp): Rename to ...
(child_terminal_init_with_pgrp): ... this.
(terminal_save_ours): Rename to ...
(child_terminal_save_ours): ... this.
(terminal_init_inferior): Rename to ...
(child_terminal_init): ... this. Adjust.
(terminal_inferior): Rename to ...
(child_terminal_inferior): ... this.
(terminal_ours_for_output): Rename to ...
(child_terminal_ours_for_output): ... this. Adjust.
(terminal_ours): Rename to ...
(child_terminal_ours): ... this.
(terminal_ours_1): Rename to ...
(child_terminal_ours_1): ... this. Adjust.
* linux-nat.c (linux_nat_terminal_inferior): Adjust.
* windows-nat.c (do_initial_windows_stuff): Adjust.
* gnu-nat.c (gnu_terminal_init_inferior): Rename to ...
(gnu_terminal_init): ... this. Adjust.
(gnu_target): Adjust.
* inf-child.c (inf_child_target): Adjust.
|
|
So that all native targets inherit a single "superclass".
Target methods that are set to or do the same as inf-child.c's are
removed.
Tested by cross building on Fedora 17, and then confirming that
./gdb.exe ./gdb.exe -ex "set pagination off" -ex "start"
under Wine still works.
Also, Joel tested this with Adacore's internal testsuite.
gdb/
2014-03-12 Pedro Alves <palves@redhat.com>
* windows-nat.c: Include inf-child.h.
(windows_ops): Delete global.
(windows_open, windows_prepare_to_store, windows_can_run): Delete
methods.
(init_windows_ops): Delete function.
(windows_target): New function, based on init_windows_ops, but
inherit inf_child_target.
(_initialize_windows_nat): Use windows_target. Install x86
specific target methods here.
|
|
A GDB internal error is found on native mingw32 target.
(gdb) run
../../binutils-gdb/gdb/target.c:1483: internal-error:
target_xfer_partial: Assertion `*xfered_len > 0' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n)
This error was introduced by the following snippet in commit
9b409511d07fe375284701af34909fb539029caf
> @@ -2536,27 +2538,30 @@ windows_xfer_shared_libraries (struct target_ops *ops,
> }
>
> obstack_free (&obstack, NULL);
> - return len;
> + *xfered_len = (ULONGEST) len;
> + return TARGET_XFER_OK;
> }
In the original code, len is returned, which could be 0, but after that
commit, only TARGET_XFER_OK is returned, which is wrong. If len is 0,
TARGET_XFER_EOF should be returned. (it is 0 in enum
target_xfer_status declaration).
gdb:
2014-02-24 Yuanhui Zhang <asmwarrior@gmail.com>
* windows-nat.c (windows_xfer_shared_libraries): Return
TARGET_XFER_EOF if LEN is zero to fix an assert failure when
requested object is TARGET_OBJECT_LIBRARIES.
|
|
This patch brings back a comment that got stripped down a bit too much
during a recent change.
gdb/ChangeLog:
* windows-nat.c (handle_unload_dll): Add function documentation.
(do_initial_windows_stuff): Add comment explaining why we wait
until after inferior initialization has finished before
processing all DLLs.
|
|
Now that get_module_name is no longer called for handling DLL events,
we can simplify it a bit, knowing that the only use is to get the
executable's filename.
While doing so, we adjusted the implementation a bit to avoid
references to DLLs, renamed it to make its more-targeted usage
more explicit, moved it right before the only function that uses it.
We also remove the use of hard-coded length for the buffers being
used.
gdb/ChangeLog:
* windows-nat.c (get_module_name): Delete.
(windows_get_exec_module_filename): New function, mostly
inspired from get_module_name.
(windows_pid_to_exec_file): Replace call to get_module_name
by call to windows_get_exec_module_filename.
|
|
When a DLL gets loaded an the debugger gets a debug event about it,
the currently implementation in handle_load_dll currently tries to
fetch the DLL's name by first iterating over all DLLs known to
the system. It should be sufficient to rely on the name provided
with the event, however, especially in the situation we are now,
where we now know that we're past the statup phase for our inferior.
This patch therefore simplifies windows-nat.c::handle_load_dll to
only rely on the event's lpImageName.
It also updates the function's comment to document the assumption
regarding not being during the inferior's startup phase. And while
at it, it fixes the function documentation, which was probably
unintentionally inherited from another function (perhaps windows_wait).
gdb/ChangeLog:
* windows-nat.c (handle_load_dll): Rewrite this function's
introductory comment. Remove code using get_module_name
to get the DLL's name.
|
|
This patch aims at simplifying DLL handling during the inferior
initialization (process creation during the "run", or during an
"attach"). Instead of processing each DLL load event, which is
sometimes incomplete, we ignore these events until the inferior
has completed its startup phase, and then just iterate over all
DLLs via EnumProcessModules.
gdb/ChangeLog:
* windows-nat.c (get_windows_debug_event): Ignore
LOAD_DLL_DEBUG_EVENT and UNLOAD_DLL_DEBUG_EVENT
if windows_initialization_done == 0.
(windows_add_all_dlls): Renames windows_ensure_ntdll_loaded.
Adjust implementation to always load all DLLs.
(do_initial_windows_stuff): Replace call to
windows_ensure_ntdll_loaded by call to windows_add_all_dlls.
|
|
The "dll-symbols" command, specific to native Windows platforms,
gives the impression that the symbols were not loaded, first
because it completes silently, and second because the "info shared"
output does not get updated after the command completes:
(gdb) dll-symbols C:\WINDOWS\syswow64\rpcrt4.dll
(gdb) info shared
From To Syms Read Shared Object Library
[...]
0x77e51000 0x77ee2554 No C:\WINDOWS\system32\rpcrt4.dll
(we exected the "Syms Read" column to read "Yes").
As far as I can tell, the symbols actually do get loaded, but completely
independently from the solib framework, which explains the silent
loading and the fact that the "Syms Read" column does not get updated.
See windows-nat.c::safe_symbol_file_add_stub, which calls symbol_file_add
instead of calling solib_add.
But, aside from the fact that the "Syms Read" status does not get
updated, I also noticed that it does not take into account the DLL's
actual load address when loading its symbols. As a result, I believe
that we get it wrong if the DLL does not get loaded at the prefered
address.
Rather than trying to fix this command, there does not seem to be
a reason other than historical for having Windows-specific commands
which essentially re-implements the "sharedlibrary" command. The
command interface is slightly different (the latter takes a regexp
rather than a plain filename), but it should be just as easy to use
the "sharedlibrary" command, or its "share" alias, as usisng the
"dll-symbols" command. For instance:
(gdb) share rpcrt4.dll
Reading symbols from C:\WINDOWS\system32\rpcrt4.dll...(no debugging symbols found)...done.
Loaded symbols for C:\WINDOWS\system32\rpcrt4.dll
(gdb) info shared
From To Syms Read Shared Object Library
[...]
0x77e51000 0x77ee2554 Yes (*) C:\WINDOWS\system32\rpcrt4.dll
This patch therefore deprecates the "dll-symbols" command, as well
as its two aliases "add-shared-symbol-files" and "assf", with a view
of deleting them as soon as the 7.8 branch gets cut.
gdb/ChangeLog:
* windows-nat.c (_initialize_windows_nat): Deprecate the
"dll-symbols" command. Turn the "add-shared-symbol-files"
and "assf" aliases into commands, and deprecate them as well.
* NEWS: Add entry explaining that "dll-symbols" and its two
aliases are now deprecated.
gdb/doc/ChangeLog:
* gdb.texinfo (Files): Document "add-shared-symbol-files"
and "assf" as being deprecated.
(Cygwin Native): Likewise for "dll-symbols".
(Non-debug DLL Symbols): Remove reference to "dll-symbols"
as a way to force the loading of symbols from a DLL.
|
|
2014-02-19 Tom Tromey <tromey@redhat.com>
* windows-nat.c (windows_get_tib_address): Add 'self' argument.
* target.h (struct target_ops) <to_get_tib_address>: Add argument.
(target_get_tib_address): Add argument.
* target.c (update_current_target): Update.
* remote.c (remote_get_tib_address): Add 'self' argument.
|
|
2014-02-19 Tom Tromey <tromey@redhat.com>
* windows-nat.c (windows_get_ada_task_ptid): Add 'self' argument.
* target.h (struct target_ops) <to_get_ada_task_ptid>: Add
argument.
(target_get_ada_task_ptid): Add argument.
* target.c (update_current_target): Update.
(default_get_ada_task_ptid): Add 'self' argument.
* sol-thread.c (sol_get_ada_task_ptid): Add 'self' argument.
* remote.c (remote_get_ada_task_ptid): Add 'self' argument.
* ravenscar-thread.c (ravenscar_get_ada_task_ptid): Add 'self'
argument.
* linux-thread-db.c (thread_db_get_ada_task_ptid): Add 'self'
argument.
* inf-ttrace.c (inf_ttrace_get_ada_task_ptid): Add 'self'
argument.
* dec-thread.c (dec_thread_get_ada_task_ptid): Add 'self'
argument.
* darwin-nat.c (darwin_get_ada_task_ptid): Add 'self' argument.
* aix-thread.c (aix_thread_get_ada_task_ptid): Add 'self'
argument.
|
|
2014-02-19 Tom Tromey <tromey@redhat.com>
* windows-nat.c (windows_pid_to_exec_file): Add 'self' argument.
* target.h (struct target_ops) <to_pid_to_exec_file>: Add
argument.
(target_pid_to_exec_file): Add argument.
* target.c (debug_to_pid_to_exec_file): Add argument.
(update_current_target): Update.
* nbsd-nat.h (nbsd_pid_to_exec_file): Add 'self' argument.
* nbsd-nat.c (nbsd_pid_to_exec_file): Add 'self' argument.
* linux-nat.c (linux_child_pid_to_exec_file): Add 'self' argument.
(linux_handle_extended_wait): Update.
* inf-child.c (inf_child_pid_to_exec_file): Add 'self' argument.
* fbsd-nat.h (fbsd_pid_to_exec_file): Add 'self' argument.
* fbsd-nat.c (fbsd_pid_to_exec_file): Add 'self' argument.
* darwin-nat.c (darwin_pid_to_exec_file): Add 'self' argument.
|
|
2014-02-19 Tom Tromey <tromey@redhat.com>
* windows-nat.c (windows_stop): Add 'self' argument.
* target.h (struct target_ops) <to_stop>: Add argument.
* target.c (target_stop): Add argument.
(debug_to_stop): Add argument.
(update_current_target): Update.
* remote.c (remote_stop): Add 'self' argument.
* remote-sim.c (gdbsim_stop): Add 'self' argument.
(gdbsim_cntrl_c): Update.
* remote-m32r-sdi.c (m32r_stop): Add 'self' argument.
* procfs.c (procfs_stop): Add 'self' argument.
* nto-procfs.c (procfs_stop): Add 'self' argument.
* monitor.c (monitor_stop): Add 'self' argument.
(monitor_open): Update.
* linux-nat.c (linux_nat_stop): Add argument.
* inf-ptrace.c (inf_ptrace_stop): Add 'self' argument.
* gnu-nat.c (gnu_stop): Add 'self' argument.
* darwin-nat.c (darwin_stop): Add 'self' argument.
|
|
2014-02-19 Tom Tromey <tromey@redhat.com>
* windows-nat.c (windows_can_run): Add 'self' argument.
* target.h (struct target_ops) <to_can_run>: Add argument.
(target_can_run): Add argument.
* target.c (debug_to_can_run): Add argument.
(update_current_target): Update.
* nto-procfs.c (procfs_can_run): Add 'self' argument.
* inf-child.c (inf_child_can_run): Add 'self' argument.
* go32-nat.c (go32_can_run): Add 'self' argument.
|
|
2014-02-19 Tom Tromey <tromey@redhat.com>
* windows-nat.c (windows_close): Add 'self' argument.
* tracepoint.c (tfile_close): Add 'self' argument.
* target.h (struct target_ops) <to_close>: Add argument.
* target.c (target_close): Add argument.
(update_current_target): Update.
* remote.c (remote_close): Add 'self' argument.
* remote-sim.c (gdbsim_close): Add 'self' argument.
* remote-mips.c (mips_close): Add 'self' argument.
* remote-m32r-sdi.c (m32r_close): Add 'self' argument.
* record-full.c (record_full_close): Add 'self' argument.
* record-btrace.c (record_btrace_close): Add 'self' argument.
* monitor.h (monitor_close): Add 'self' argument.
* monitor.c (monitor_close): Add 'self' argument.
* mips-linux-nat.c (mips_linux_close): Add 'self' argument.
* linux-nat.c (linux_nat_close): Add argument.
* go32-nat.c (go32_close): Add 'self' argument.
* exec.c (exec_close_1): Add 'self' argument.
* ctf.c (ctf_close): Add 'self' argument.
* corelow.c (core_close): Add 'self' argument.
(core_close_cleanup): Update.
* bsd-uthread.c (bsd_uthread_close): Add 'self' argument.
* bsd-kvm.c (bsd_kvm_close): Add 'self' argument.
|
|
This patch does the conversion of to_xfer_partial from
LONGEST (*to_xfer_partial) (struct target_ops *ops,
enum target_object object, const char *annex,
gdb_byte *readbuf, const gdb_byte *writebuf,
ULONGEST offset, ULONGEST len);
to
enum target_xfer_status (*to_xfer_partial) (struct target_ops *ops,
enum target_object object, const char *annex,
gdb_byte *readbuf, const gdb_byte *writebuf,
ULONGEST offset, ULONGEST len, ULONGEST *xfered_len);
It changes to_xfer_partial return the transfer status and the transfered
length by *XFERED_LEN. Generally, the return status has three stats,
- TARGET_XFER_OK,
- TARGET_XFER_EOF,
- TARGET_XFER_E_XXXX,
See the comments to them in 'enum target_xfer_status'. Note that
Pedro suggested not name TARGET_XFER_DONE, as it is confusing,
compared with "TARGET_XFER_OK". We finally name it TARGET_XFER_EOF.
With this change, GDB core can handle unavailable data in a convenient
way.
The rationale behind this change was mentioned here
https://sourceware.org/ml/gdb-patches/2013-10/msg00761.html
Consider an object/value like this:
0 100 150 200 512
DDDDDDDDDDDxxxxxxxxxDDDDDD...DDIIIIIIIIIIII..III
where D is valid data, and xxx is unavailable data, and I is beyond
the end of the object (Invalid). Currently, if we start the
xfer at 0, requesting, say 512 bytes, we'll first get back 100 bytes.
The xfer machinery then retries fetching [100,512), and gets back
TARGET_XFER_E_UNAVAILABLE. That's sufficient when you're either
interested in either having the whole of the 512 bytes available,
or erroring out. But, in this scenario, we're interested in
the data at [150,512). The problem is that the last
TARGET_XFER_E_UNAVAILABLE gives us no indication where to
start the read next. We'd need something like:
get me [0,512) >>>
<<< here's [0,100), *xfered_len is 100, returns TARGET_XFER_OK
get me [100,512) >>> (**1)
<<< [100,150) is unavailable, *xfered_len is 50, return TARGET_XFER_E_UNAVAILABLE.
get me [150,512) >>>
<<< here's [150,200), *xfered_len is 50, return TARGET_XFER_OK.
get me [200,512) >>>
<<< no more data, return TARGET_XFER_EOF.
This naturally implies pushing down the decision of whether
to return TARGET_XFER_E_UNAVAILABLE or something else
down to the target. (Which kinds of leads back to tfile
itself reading from RO memory from file (though we could
export a function in exec.c for that that tfile delegates to,
instead of re-adding the old code).
Beside this change, we also add a macro TARGET_XFER_STATUS_ERROR_P to
check whether a status is an error or not, to stop using "status < 0".
This patch also eliminates the comparison between status and 0.
No target implementations to to_xfer_partial adapts this new
interface. The interface still behaves as before.
gdb:
2014-02-11 Yao Qi <yao@codesourcery.com>
* target.h (enum target_xfer_error): Rename to ...
(enum target_xfer_status): ... it. New. All users updated.
(enum target_xfer_status) <TARGET_XFER_OK>, <TARGET_XFER_EOF>:
New.
(TARGET_XFER_STATUS_ERROR_P): New macro.
(target_xfer_error_to_string): Remove declaration.
(target_xfer_status_to_string): Declare.
(target_xfer_partial_ftype): Adjust it.
(struct target_ops) <to_xfer_partial>: Return
target_xfer_status. Add argument xfered_len. Update
comments.
* target.c (target_xfer_error_to_string): Rename to ...
(target_xfer_status_to_string): ... it. New. All callers
updated.
(target_read_live_memory): Likewise. Call target_xfer_partial
instead of target_read.
(memory_xfer_live_readonly_partial): Return
target_xfer_status. Add argument xfered_len.
(raw_memory_xfer_partial): Likewise.
(memory_xfer_partial_1): Likewise.
(memory_xfer_partial): Likewise.
(target_xfer_partial): Likewise. Check *XFERED_LEN is set
properly. Update debug message.
(default_xfer_partial, current_xfer_partial): Likewise.
(target_write_partial): Likewise.
(target_read_partial): Likewise. All callers updated.
(read_whatever_is_readable): Likewise.
(target_write_with_progress): Likewise.
(target_read_alloc_1): Likewise.
* aix-thread.c (aix_thread_xfer_partial): Likewise.
* auxv.c (procfs_xfer_auxv): Likewise.
(ld_so_xfer_auxv, memory_xfer_auxv): Likewise.
* bfd-target.c (target_bfd_xfer_partial): Likewise.
* bsd-kvm.c (bsd_kvm_xfer_partial): Likewise.
* bsd-uthread.c (bsd_uthread_xfer_partia): Likewise.
* corefile.c (read_memory): Adjust.
* corelow.c (core_xfer_partial): Likewise.
* ctf.c (ctf_xfer_partial): Likewise.
* darwin-nat.c (darwin_read_dyld_info): Likewise. All callers
updated.
(darwin_xfer_partial): Likewise.
* exec.c (section_table_xfer_memory_partial): Likewise. All
callers updated.
(exec_xfer_partial): Likewise.
* exec.h (section_table_xfer_memory_partial): Update
declaration.
* gnu-nat.c (gnu_xfer_memory): Likewise. Assert 'res' is not
negative.
(gnu_xfer_partial): Likewise.
* ia64-hpux-nat.c (ia64_hpux_xfer_memory_no_bs): Likewise.
(ia64_hpux_xfer_memory, ia64_hpux_xfer_uregs): Likewise.
(ia64_hpux_xfer_solib_got): Likewise.
* inf-ptrace.c (inf_ptrace_xfer_partial): Likewise. Change
type of 'partial_len' to ULONGEST.
* inf-ttrace.c (inf_ttrace_xfer_partial): Likewise.
* linux-nat.c (linux_xfer_siginfo ): Likewise.
(linux_nat_xfer_partial): Likewise.
(linux_proc_xfer_partial, linux_xfer_partial): Likewise.
(linux_proc_xfer_spu, linux_nat_xfer_osdata): Likewise.
* monitor.c (monitor_xfer_memory): Likewise.
(monitor_xfer_partial): Likewise.
* procfs.c (procfs_xfer_partial): Likewise.
* record-btrace.c (record_btrace_xfer_partial): Likewise.
* record-full.c (record_full_xfer_partial): Likewise.
(record_full_core_xfer_partial): Likewise.
* remote-sim.c (gdbsim_xfer_memory): Likewise.
(gdbsim_xfer_partial): Likewise.
* remote.c (remote_write_bytes_aux): Likewise. All callers
updated.
(remote_write_bytes, remote_read_bytes): Likewise. All
callers updated.
(remote_flash_erase): Likewise. All callers updated.
(remote_write_qxfer): Likewise. All callers updated.
(remote_read_qxfer): Likewise. All callers updated.
(remote_xfer_partial): Likewise.
* rs6000-nat.c (rs6000_xfer_partial): Likewise.
(rs6000_xfer_shared_libraries): Likewise.
* sol-thread.c (sol_thread_xfer_partial): Likewise.
(sol_thread_xfer_partial): Likewise.
* sparc-nat.c (sparc_xfer_wcookie): Likewise.
(sparc_xfer_partial): Likewise.
* spu-linux-nat.c (spu_proc_xfer_spu): Likewise. All callers
updated.
(spu_xfer_partial): Likewise.
* spu-multiarch.c (spu_xfer_partial): Likewise.
* tracepoint.c (tfile_xfer_partial): Likewise.
* windows-nat.c (windows_xfer_memory): Likewise.
(windows_xfer_shared_libraries): Likewise.
(windows_xfer_partial): Likewise.
* valprint.c: Replace 'target_xfer_error' with
'target_xfer_status' in comments.
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