Age | Commit message (Collapse) | Author | Files | Lines |
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relocs in .word/.etc statements.
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gdb/testsuite
* gdb.dwarf2/fission-reread.exp: Add unload test.
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* value.h (deprecated_set_value_modifiable): Remove.
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* config/tc-arm.c (md_apply_fix): Use as_bad_where for "bad
immediate value for 8-bit offset" error so it shows line info.
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avoid undefined behaviour.
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* dwp.cc (File_list): New typedef.
(Dwo_name_info_reader): New class.
(Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
(Dwo_id_info_reader::visit_top_die): Remove unused member function.
(Dwo_file::~Dwo_file): Delete input_file_ after obj_.
(Dwo_file::read_executable): New function.
(Dwo_file::read): Move common setup code to ...
(Dwo_file::make_object): ... here.
(dwp_options): Add --exec/-e.
(usage): Likewise.
(main): Likewise.
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to addresses from dwo files.
testsuite/
* gdb.dwarf2/fission-loclists.exp: New file.
* gdb.dwarf2/fission-loclists.S: New file.
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* tic6x-opcode-table.h: Fix encoding of BNOP instruction.
* gas/tic6x/insns-c674x-pcrel.s: Add test of BNOP instruction
within header based fetch packet.
* gas/tic6x/insns-c674x-pcrel.d: Update expected disassembly.
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"relocation" in error messages throughout file.
(ppc64_elf_relocate_section): Remove sibling call error message,
replace with "call lacks nop". Specially report errors for
branches to function entry points via OPD lookup and branches
to stubs. Remove NULL symbol handling now done by %T.
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(v850_bins): New function.
* simops.h: Add prototypes fir v850_rotl and v850_bins.
* v850-dc: Add entries for V850e3v5.
* v850.igen: Add support for v850e3v5.
(ld.dw, st.dw, rotl, bins): New patterns.
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ardata on partial matches.
* format.c (bfd_check_format_matches): Adjust for above
change. Remove bfd_error_file_ambiguously_recognized dead
code.
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Code cleanup.
* gdb.base/restore.exp: Replace gdb_compile, gdb_exit, gdb_start,
gdb_reinitialize_dir and gdb_load by standard_testfile, set executable
and prepare_for_testing.
* gdb.base/store.exp: Likewise.
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bfd_preserve_finish): Move to..
* format.c: ..here, splitting out..
(bfd_reinit): ..this. New function.
(bfd_check_format_matches): Use bfd_preserve_save/restore to
keep bfd state for a match.
* elfcode.h (elf_object_p): Don't use bfd_preserve_save/restore.
* elfcore.h (elf_core_file_p): Likewise.
* mach-o.c (bfd_mach_o_header_p): Likewise.
* pef.c (bfd_pef_object_p, bfd_pef_xlib_object_p): Likewise.
* xsym.c (bfd_sym_object_p): Likewise.
* mmo.c (mmo_scan): Clear abfd->symcount.
* opncls.c (_bfd_new_bfd): Use a smaller section hash table.
* section.c (bfd_section_list_clear): Clear section_htab.count.
* bfd-in2.h: Regenerate.
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* value.h: Remove unused argument 'lax' from the declaration of
find_overload_match.
* eval.c (value_subexp_standard): Do not pass a 'lax' argument
to find_overload_match.
* valarith.c (value_user_defined_cpp_op): Do not pass a 'lax'
argument to find_overload_match.
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* dwarf.c (display_loc_list): Update offset for each line
printed.
(print_addr_index): New function.
(display_loc_list_dwo): Update offset for each line printed.
Fix problems displaying loclists in .dwo files. Add support
for type 4 entries.
(display_debug_loc): Remove custom header for .dwo files.
(display_debug_addr): Adjust formatting.
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(struct dwarf2_cu) <processing_has_namespace_info>: New field.
(process_die, read_func_scope, dwarf2_start_symtab)
(new_symbol_full): Update.
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* cp-support.h (cp_set_block_scope): Remove.
* dbxread.c: Include block.h.
(cp_set_block_scope): New function.
(process_one_symbol): Update.
* dwarf2read.c (read_func_scope): Use block_set_scope.
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add_current_inferior_and_thread tries the stop reply first. Tweak its
comment to reflect reality.
2013-01-25 Pedro Alves <palves@redhat.com>
* remote.c (add_current_inferior_and_thread): Tweak comment.
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(cp_add_using_directive): Add 'copy_names' argument.
* cp-support.h (cp_add_using_directive): Update.
(struct using_direct) <import_src, import_dest, alias,
declaration>: Now const.
* dwarf2read.c (read_import_statement): Use obconcat.
Don't copy names passed to cp_add_using_directive.
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replies but don't support qC.
Yao writes:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GDB gets an internal error when it connects to GDBserver started with
'--disable-packet=qC'.
Sending packet: $QNonStop:0#8c...Packet received: OK
Sending packet: $?#3f...Packet received: T0505:00000000;04:00f0ffbf;08:b0c2e44c;thread:p4255.4255;core:1;
Sending packet: $Hc-1#09...Packet received: E01
Sending packet: $qC#b4...Packet received:
Sending packet: $qAttached:a410#bf...Packet received: E01
Packet qAttached (query-attached) is supported
warning: Remote failure reply: E01
Sending packet: $qOffsets#4b...Packet received:
../../../git/gdb/target.c:3248: internal-error: Can't determine the current address space of thread Thread 16981
When start remote, the call chain is as follows,
remote_start_remote
add_current_inferior_and_thread <--[1]
...
start_remote
wait_for_inferior
remote_wait_as
process_stop_reply
get_thread_arch_regcache <--[2]
remote_notice_new_inferior <--[3]
GDB sends packet "qC" in [1] and adds the thread/inferior if the remote
stubs understands "qC". In [2], GDB looks for the inferior to build a
regcache, and notices a new inferior in [3]. As we can see, GDB assumes
that the inferior can be found in [2]. Once the remote stub doesn't
support "qC", GDB can't look for the inferior in [2], and emits an
internal error.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Right after the initial connection, we query the target for its state,
with the ? packet. We store the resulting wait status / stop reply
aside, and query the target for the current thread, using qC, which
fails, so we fake a ptid for the target's thread. We then later,
after the initial setup, end up consuming that set-aside wait status,
parsing the T stop reply, which contains a "thread" "register" (which
was the thread the target would have replied to qC). We get into
trouble because the ptid in that stop reply doesn't match our faked up
ptid in the initial setup, although the target threads are the same...
So we had the T stop reply handy all along. We might as well extract
the thread's ptid from it, and avoid all the resulting issues.
qC is also used after vRun, in order to discover the new process'es
main thread. But, vRun's reply is also a wait status, just like
'?''s, which is quite convenient.
This means that if we have a "Txx thread: ptid" reply, then we don't
really need qC. The patch makes GDB look in the T reply first, and if
not found, try with qC. The packet handling seems to have been added
in gdb-4.18 (1999), and I see that in that same release, "Txx thread:
ptid" didn't exist yet, which probably explains why nobody though of
doing this before.
Regression tested against a gdbserver with qC disabled (and then
enabled), on x86_64 Fedora 17.
2013-01-25 Pedro Alves <palves@redhat.com>
* remote.c (stop_reply_extract_thread): New.
(add_current_inferior_and_thread): New parameter 'wait_status'.
Handle it.
(remote_start_remote): Pass wait status to
add_current_inferior_and_thread.
(extended_remote_run): Update comment.
(extended_remote_create_inferior_1): Pass wait status to
add_current_inferior_and_thread.
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gdb/ChangeLog
* valarith.c (value_vector_widen): New function for replicating a
scalar into a vector.
(value_binop): Use value_vector_widen to widen scalar to vector
rather than casting, this better matches gcc C behaviour.
* valops.c (value_casst): Update logic for casting between vector
types, and for casting from scalar to vector, try to match gcc C
behaviour.
* value.h (value_vector_widen): Declare.
* opencl-lang.c (opencl_value_cast): New opencl specific casting
function, handle special case for casting scalar to vector.
(opencl_relop): Use opencl_value_cast.
(evaluate_subexp_opencl): Use opencl_value_cast instead of
value_cast, and handle BINOP_ASSIGN, UNOP_CAST, and UNOP_CAST_TYPE
in order to use opencl_value_cast.
gdb/testsuite/ChangeLog
* gdb.base/gnu_vector.c: New variable for use in tests.
* gdb.base/gnu_vector.exp: Update and extend tests to reflect
changes in scalar to vector casting and widening.
* gdb.python/py-type.c: New variables for use in tests.
* gdb.python/py-type.exp: Update vector related tests to reflect
changes in scalar to vector casting and widening.
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second reloc, make sure that the reloc potentially exists first.
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* event-loop.c: Include "queue.h".
(gdb_event_p): New typedef.
(DECLARE_QUEUE_P): Use.
(DEFINE_QUEUE_P): Use.
(async_queue_event): Remove.
(gdb_event_xfree): New.
(initialize_event_loop): New.
(process_event): Use QUEUE macros.
(event_queue): Remove.
(gdb_wait_for_event): Caller update.
(check_async_event_handlers): Likewise.
(poll_timers): Likewise.
* event-loop.h (initialize_event_loop): Declare.
* event-loop.c (gdb_event_xfree): New.
* top.c (gdb_init): Call initialize_event_loop.
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* event-loop.c (async_queue_event): Remove one parameter
'position'. Remove code handling 'position' == TAIL.
(gdb_wait_for_event): Caller update.
(check_async_event_handlers): Caller update.
(poll_timers): Caller update.
* event-loop.h (enum queue_position): Remove.
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* event-loop.c: Include "queue.h".
(gdb_event_p): New typedef.
(struct gdb_event) <next_event>: Remove.
(event_queue): Change to QUEUE(gdb_event_p).
(async_queue_event): Remove.
(gdb_event_xfree): New.
(initialize_event_loop): New.
(process_event): Use API from QUEUE.
(wait_for_event): Likewise.
* server.c (main): Call initialize_event_loop.
* server.h (initialize_event_loop): Declare.
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argument.
(%union): Add new type bfd_vma as vma.
(VMA): New rule.
(opt_base): Use VMA instead of NUMBER rule to evaluate value.
(def_file_print): Use bfd's fprintf_vma to output base-address.
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for 64-bit output.
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* main.c (print_gdb_help): Remove "--epoch" from the help
message.
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* symtab.c (skip_prologue_using_sal): Consider a file
change the same as an increased line number
gdb/testsuite/
* gdb.base/prologue-include.c: New file.
* gdb.base/prologue-include.exp: New file.
* gdb.base/prologue-include.h: New file.
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* MAINTAINERS (Write After Approval): Add myself to the list.
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