* ada-lang.c (trust_pad_over_xvs): New static variable.
(ada_is_aligner_type): If !trust_pad_over_xvs and there is a
parallel XVS type, follow the XVS type instead of the PAD type.
(unwrap_value): Make sure that there is no parallel XVE type
before returning the value as is.
(set_ada_list, show_ada_list): New static variables.
(set_ada_command, show_ada_command): New functions.
(_initialize_ada_language): Add new "set/show ada" prefix commands.
Add new "set/show ada trust-PAD-over-XVS" setting.
* tracepoint.h (enum trace_stop_reason): New enum.
(struct trace_status): New struct.
(parse_trace_status): Declare.
(struct uploaded_tp): Move here from remote.c,
add fields for actions.
(struct uploaded_tsv): New struct.
* tracepoint.c (tfile_ops): New target vector.
(trace_fd): New global.
(tfile_open): New function.
(tfile_close): New function.
(tfile_files_info): New function.
(tfile_get_trace_status): New function.
(tfile_get_traceframe_address): New function.
(tfile_trace_find): New function.
(tfile_fetch_registers): New function.
(tfile_xfer_partial): New function.
(tfile_get_trace_state_variable_value): New function.
(init_tfile_ops): New function.
(_initialize_tracepoint): Call it, add tfile target.
(trace_status): New global.
(current_trace_status): New function.
(trace_running_p): Remove, change all users to get from
current_trace_status()->running.
(get_trace_status): Remove.
(trace_status_command): Call target_get_trace_status directly,
report more detail including tracing stop reasons.
(trace_find_command): Always allow tfind on a file.
(trace_find_pc_command): Ditto.
(trace_find_tracepoint_command): Ditto.
(trace_find_line_command): Ditto.
(trace_find_range_command): Ditto.
(trace_find_outside_command): Ditto.
(trace_frames_offset, cur_offset): Declare as off_t.
(trace_regblock_size): Rename from reg_size, update users.
(parse_trace_status): New function.
(tfile_interp_line): New function.
(disconnect_or_stop_tracing): Ensure current trace
status before asking what to do.
(stop_reason_names): New global.
(trace_save_command): New command.
(get_uploaded_tp): Move here from remote.c.
(find_matching_tracepoint): Ditto.
(merge_uploaded_tracepoints): New function.
(parse_trace_status): Use stop_reason_names.
(_initialize_tracepoint): Define tsave command.
* target.h (target_ops): New fields to_save_trace_data,
to_upload_tracepoints, to_upload_trace_state_variables,
to_get_raw_trace_data, change to_get_trace_status
to take a pointer to a status struct.
(target_save_trace_data): New macro.
(target_upload_tracepoints): New macro.
(target_upload_trace_state_variables): New macro.
(target_get_raw_trace_data): New macro.
* target.c (update_current_target): Add new methods, change
signature of to_get_trace_status.
* remote.c (hex2bin): Make globally visible.
(bin2hex): Ditto.
(remote_download_trace_state_variable): Download name also.
(remote_get_trace_status): Update parameter, use
parse_trace_status.
(remote_save_trace_data): New function.
(remote_upload_tracepoints): New function.
(remote_upload_trace_state_variables): New function.
(remote_get_raw_trace_data): New function.
(remote_start_remote): Use them.
(_initialize_remote_ops): Add operations.
* ax-gdb.c: Include breakpoint.h.
* breakpoint.c (create_tracepoint_from_upload): Use
break_command_really, return tracepoint, warn about unimplemented
parts.
* NEWS: Mention trace file addition.
* gdb.texinfo (Trace Files): New section.
(Tracepoint Packets): Document QTSave and qTBuffer.
(Trace File Format): New appendix.
* generic/gdbtk-bp.c (gdb_trace_status): Use current_trace_status.
* gdb.trace/tfile.c: New file.
* gdb.trace/tfile.exp: New file.
* ada-lang.c (find_parallel_type_by_descriptive_type):
Limit the fallback to name-based lookups to the case where
the type is a constrained packed array.
Support Valgrind attachments broken by the PIE support.
* auxv.c: Include gdbcore.h.
(procfs_xfer_auxv): Make static. Reduce its comment. Drop its
parameters ops, object and annex. Remove their assertions.
(ld_so_xfer_auxv, memory_xfer_auxv): New function.
* auxv.h (procfs_xfer_auxv): Remove comment. Rename to ...
(memory_xfer_auxv): ... here.
* linux-nat.c (linux_xfer_partial): Rename procfs_xfer_auxv to
memory_xfer_auxv.
* procfs.c (procfs_xfer_partial): Likewise.
* solib-svr4.c (svr4_relocate_main_executable): New prototype.
(svr4_special_symbol_handling): Call svr4_relocate_main_executable.
(svr4_solib_create_inferior_hook): Conditionalize the
svr4_relocate_main_executable call.
gdb/testsuite/
* gdb.base/valgrind-db-attach.exp, gdb.base/valgrind-db-attach.c: New.
* solib-svr4.c (scan_dyntag): Remove variable dyn_addr. New variable
target_section. Find SECT in current_target_sections, gdb_assert it.
(elf_lookup_lib_symbol): Pass the binary file if given symfile_objfile.
New variable abfd.
* symtab.c (lookup_objfile_from_block): Return the binary file instead
of separate debug info file.
gdb/testsuite/
* gdb.base/break-interp.exp (test_core): New proc.
(test_ld): Call it.
Support PIEs with no symfile_objfile.
* exec.c (print_section_info <abfd == exec_bfd>): Relocate Entry point.
* solib-svr4.c (svr4_relocate_main_executable <exec_bfd>): New block.
gdb/testsuite/
Support PIEs with no symfile_objfile.
* gdb.base/break-interp.exp: New argument at the test_ld calls.
(test_ld): New parameter trynosym.
(test_ld <$trynosym>): New block.
* solib-svr4.c (svr4_relocate_main_executable): Move the static exec
code part to ...
(svr4_static_exec_displacement): ... a new function.
(svr4_exec_displacement): New function.
(svr4_relocate_main_executable): Call svr4_exec_displacement. Allocate
new_offsets using alloca now. Remove variable old_chain and changed.
Call objfile_relocate unconditionally now.
gdb/testsuite/
* gdb.base/break-interp.exp: New file.
* machoread.c (macho_add_oso_symfile): Add symfile_flags parameter.
Call xstrdup for abfd->filename. Pass symfile_flags and objfile flags
to symbol_file_add_from_bfd. Add OSO as separate objfile.
(macho_oso_symfile): Add symfile_flags parameter. Pass it to
macho_add_oso_symfile.
(macho_symfile_read): Pass symfile_flags to macho_oso_symfile.
* dec-thread.c (dec_thread_ptid_is_alive): New function.
(dec_thread_count_gdb_threads): Fix counter increment.
(dec_thread_add_gdb_thread): Fix *listp increment.
(resync_thread_list): Fix bug in deletion of dead threads that
caused all threads to be deleted, instead of just the dead ones.
Add support for DW_AT_GNAT_descriptive_type.
* gdbtypes.h (enum type_specific_kind): New enum.
(struct main_type) [type_specific_field]: New component.
[type_specific]: Add new component "gnat_stuff".
(struct gnat_aux_type): New type.
(INIT_CPLUS_SPECIFIC): Also set TYPE_SPECIFIC_FIELD (type).
(HAVE_CPLUS_STRUCT): Also check TYPE_SPECIFIC_FIELD (type).
(gnat_aux_default, allocate_gnat_aux_type): Add declaration.
(INIT_GNAT_SPECIFIC, ALLOCATE_GNAT_AUX_TYPE, HAVE_GNAT_AUX_INFO)
(TYPE_SPECIFIC_FIELD): New macros.
(TYPE_CPLUS_SPECIFIC): Return cplus_struct_default if the given
type does not hold any cplus-specific data.
(TYPE_RAW_CPLUS_SPECIFIC): New macro.
(TYPE_GNAT_SPECIFIC, TYPE_DESCRIPTIVE_TYPE): New macros.
(TYPE_IS_OPAQUE): Use HAVE_CPLUS_STRUCT to check if type has
cplus-specific data.
* gdbtypes.c (allocate_cplus_struct_type): Minor stylistic rewrite.
Set new component TYPE_SPECIFIC_FIELD (type).
(gnat_aux_default): New constant.
(allocate_gnat_aux_type): New function.
(init_type): Add initialization the type-specific stuff for
TYPE_CODE_FLT and TYPE_CODE_FUNC types.
(print_gnat_stuff): New function.
(recursive_dump_type): Use HAVE_CPLUS_STRUCT to check for cplus-
specific data. Adjust code that prints the contents of the
type-specific union using the TYPE_SPECIFIC_FIELD value.
* dwarf2read.c (dwarf2_attach_fields_to_type): Do not allocate
the type cplus stuff for Ada types.
(dwarf2_add_member_fn, dwarf2_attach_fn_fields_to_type):
Error out if these routines are called with an Ada type.
(read_structure_type, read_array_type, read_subrange_type):
Add call to set_descriptive_type.
(set_die_type): Initialize the gnat-specific data if necessary.
(need_gnat_info, die_descriptive_type, set_descriptive_type):
New functions.
* ada-lang.c (decode_constrained_packed_array_type): Use
decode_constrained_packed_array_type instead of doing a standard
lookup to locate a parallel type.
(find_parallel_type_by_descriptive_type): New function.
(ada_find_parallel_type_with_name): New function.
(ada_find_parallel_type): Reimplement using
ada_find_parallel_type_with_name.
* ada-valprint.c (print_field_values): Use HAVE_CPLUS_STRUCT
to check if type has a cplus stuff.
* linespec.c (total_number_of_methods): Likewise.
* mdebugread.c (new_type): Likewise.
gdb/testsuite/ChangeLog:
* gdb.base/maint.exp: Adjust the expected output for the
"maint print type" test. Use gdb_test_multiple instead of
gdb_sent/gdb_expect.
* objfiles.c (objfile_relocate1): Change the return type to int.
Describe the new return value. Return non-zero if data changed.
(objfile_relocate): New variable changed. Set it. Call
breakpoint_re_set depending on CHANGED.
Fix displacement of separate debug info files.
* objfiles.c (objfile_relocate): Rename to ...
(objfile_relocate1): ... here and make it static. Extend the comment.
(objfile_relocate): New function.
* solib-spu.c (spu_relocate_main_executable): Explicitly check if
SYMFILE_OBJFILE is NULL. Remove variables objfile and old_chain.
Remove following of SEPARATE_DEBUG_OBJFILE. new_offsets is now
allocated using alloca.
* symfile.c (copy_section_addr_info): Remove.
(build_section_addr_info_from_objfile): Make it global. New variables
addr_bit and mask, use them.
* symfile.h (build_section_addr_info_from_objfile): New prototype.
(copy_section_addr_info): Remove.
* procfs.c: #include "observer.h".
(procfs_inferior_created): New function, moving here the code
which unsets the syssgi syscall-exit notifications.
(procfs_create_inferior): Remove the code which unsets the syssgi
syscall-exit notifications. It is too early to do this here.
(_initialize_procfs): Attach the procfs_inferior_created observer.
* mips-tdep.c (mips_n32n64_return_value): Arrays whose size is
128 bits or smaller are returned the same way as structs
and unions of the the same size.
