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This commit is the result of running the gdb/copyright.py script,
which automated the update of the copyright year range for all
source files managed by the GDB project to be updated to include
year 2023.
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While working on addrmaps, I noticed that psymtab_addrmap is no longer
needed now. It was introduced in ancient times as an optimization for
DWARF, but no other symbol reader was ever updated to use it. Now
that DWARF does not use psymtabs, it can be deleted.
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This moves the gdb-specific obstack code -- both extensions like
obconcat and obstack_strdup, and things like auto_obstack -- to
gdbsupport.
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This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
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I was always a bit confused by next_adapter, because it kind of mixes
the element type and the iterator type. In reality, it is not much more
than a class that wraps two iterators (begin and end). However, it
assumes that:
- you can construct the begin iterator by passing a pointer to the
first element of the iterable
- you can default-construct iterator to make the end iterator
I think that by generalizing it a little bit, we can re-use it at more
places.
Rename it to "iterator_range". I think it describes a bit better: it's
a range made by wrapping a begin and end iterator. Move it to its own
file, since it's not related to next_iterator anymore.
iterator_range has two constructors. The variadic one, where arguments
are forwarded to construct the underlying begin iterator. The end
iterator is constructed through default construction. This is a
generalization of what we have today.
There is another constructor which receives already constructed begin
and end iterators, useful if the end iterator can't be obtained by
default-construction. Or, if you wanted to make a range that does not
end at the end of the container, you could pass any iterator as the
"end".
This generalization allows removing some "range" classes, like
all_inferiors_range. These classes existed only to pass some arguments
when constructing the begin iterator. With iterator_range, those same
arguments are passed to the iterator_range constructed and then
forwarded to the constructed begin iterator.
There is a small functional difference in how iterator_range works
compared to next_adapter. next_adapter stored the pointer it received
as argument and constructeur an iterator in the `begin` method.
iterator_range constructs the begin iterator and stores it as a member.
Its `begin` method returns a copy of that iterator.
With just iterator_range, uses of next_adapter<foo> would be replaced
with:
using foo_iterator = next_iterator<foo>;
using foo_range = iterator_range<foo_iterator>;
However, I added a `next_range` wrapper as a direct replacement for
next_adapter<foo>. IMO, next_range is a slightly better name than
next_adapter.
The rest of the changes are applications of this new class.
gdbsupport/ChangeLog:
* next-iterator.h (class next_adapter): Remove.
* iterator-range.h: New.
gdb/ChangeLog:
* breakpoint.h (bp_locations_range): Remove.
(bp_location_range): New.
(struct breakpoint) <locations>: Adjust type.
(breakpoint_range): Use iterator_range.
(tracepoint_range): Use iterator_range.
* breakpoint.c (breakpoint::locations): Adjust return type.
* gdb_bfd.h (gdb_bfd_section_range): Use iterator_range.
* gdbthread.h (all_threads_safe): Pass argument to
all_threads_safe_range.
* inferior-iter.h (all_inferiors_range): Use iterator_range.
(all_inferiors_safe_range): Use iterator_range.
(all_non_exited_inferiors_range): Use iterator_range.
* inferior.h (all_inferiors, all_non_exited_inferiors): Pass
inferior_list as argument.
* objfiles.h (struct objfile) <compunits_range>: Remove.
<compunits>: Return compunit_symtab_range.
* progspace.h (unwrapping_objfile_iterator)
<unwrapping_objfile_iterator>: Take parameter by value.
(unwrapping_objfile_range): Use iterator_range.
(struct program_space) <objfiles_range>: Define with "using".
<objfiles>: Adjust.
<objfiles_safe_range>: Define with "using".
<objfiles_safe>: Adjust.
<solibs>: Return so_list_range, define here.
* progspace.c (program_space::solibs): Remove.
* psymtab.h (class psymtab_storage) <partial_symtab_iterator>:
New.
<partial_symtab_range>: Use iterator_range.
* solist.h (so_list_range): New.
* symtab.h (compunit_symtab_range):
New.
(symtab_range): New.
(compunit_filetabs): Change to a function.
* thread-iter.h (inf_threads_range,
inf_non_exited_threads_range, safe_inf_threads_range,
all_threads_safe_range): Use iterator_range.
* top.h (ui_range): New.
(all_uis): Use ui_range.
Change-Id: Ib7a9d2a3547f45f01aa1c6b24536ba159db9b854
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This patch finally changes gdb so that an objfile can have multiple
sources of partial symbols (or mixed partial symbols and other kinds
of indices).
This is done by having each symbol reader create its own
psymbol_functions object and add it to the 'qf' list in the objfile.
gdb/ChangeLog
2021-03-20 Tom Tromey <tom@tromey.com>
* xcoffread.c (xcoff_initial_scan): Create partial symtabs.
* symfile.c (syms_from_objfile_1, reread_symbols): Update.
* psymtab.h (make_psymbol_functions): Don't declare.
* psymtab.c (make_psymbol_functions): Remove.
(maintenance_print_psymbols): Update.
* psympriv.h (struct psymbol_functions): Add no-argument
constructor.
* objfiles.h (struct objfile) <reset_psymtabs>: Remove.
<partial_symtabs>: Remove.
* mdebugread.c (mdebug_build_psymtabs): Create partial symtabs.
* elfread.c (read_partial_symbols): Update.
(elf_symfile_read): Remove check for existing partial symbols.
Don't clear "qf".
* dwarf2/read.c (dwarf2_has_info): Remove check for existing
partial symbols.
(dwarf2_build_psymtabs): Add psymbol_functions parameter. Create
partial symtabs.
* dwarf2/public.h (dwarf2_build_psymtabs): Add psymbol_functions
parameter.
* dbxread.c (dbx_symfile_read): Create partial symtabs.
* ctfread.c (elfctf_build_psymtabs): Create partial symtabs.
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This adds a new method, objfile::require_partial_symbols. This reuses
most of the code from the old function in psymtab.c. That function is
now made static, and simplified.
gdb/ChangeLog
2021-03-20 Tom Tromey <tom@tromey.com>
* symfile.c (read_symbols): Use objfile method.
* symfile-debug.c (objfile::require_partial_symbols): New method.
* psymtab.h (require_partial_symbols): Don't declare.
* psymtab.c (require_partial_symbols): Use objfile method. Now
static.
(psymbol_functions::map_symtabs_matching_filename, OBJFILE)
(psymbol_functions::lookup_symbol)
(psymbol_functions::lookup_global_symbol_language)
(psymbol_functions::find_last_source_symtab)
(psymbol_functions::forget_cached_source_info)
(psymbol_functions::print_stats)
(psymbol_functions::expand_symtabs_for_function)
(psymbol_functions::expand_all_symtabs)
(psymbol_functions::expand_symtabs_with_fullname)
(psymbol_functions::map_symbol_filenames)
(psymbol_functions::map_matching_symbols)
(psymbol_functions::expand_symtabs_matching)
(psymbol_functions::find_compunit_symtab_by_address)
(maintenance_print_psymbols, maintenance_info_psymtabs)
(maintenance_check_psymtabs): Update.
* objfiles.h (struct objfile) <require_partial_symbols>: Declare
new method.
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Currently, the storage for partial symtabs is attached to the objfile.
Ultimately, though, this direct assocation will be removed, and the
storage will be owned by the psymbol_functions object.
This patch is a step toward this goal. The storage is already managed
as a shared_ptr, to enable cross-objfile sharing, so this adds a
reference from the psymbol_functions, and changes some code in
psymtab.c to use this reference instead.
gdb/ChangeLog
2021-03-20 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (dwarf2_build_psymtabs): Call
set_partial_symtabs.
* symfile.c (syms_from_objfile_1, reread_symbols): Update.
* psymtab.h (make_psymbol_functions): Add partial_symtabs
parameter.
* psymtab.c (find_pc_sect_psymtab): Add partial_symtabs
parameter.
(psymbol_functions::find_pc_sect_compunit_symtab)
(psymbol_functions::print_stats, psymbol_functions::dump)
(psymbol_functions::has_symbols): Update.
(make_psymbol_functions, dump_psymtab_addrmap): Add
partial_symtabs parameter.
(maintenance_print_psymbols): Update.
(psymbol_functions::expand_symtabs_matching): Update.
* psympriv.h (struct psymbol_functions): Add constructor.
<m_partial_symtabs>: New member.
<set_partial_symtabs>: New method.
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This changes quick_symbol_functions to be a base class with pure
virtual methods, rather than a struct holding function pointers.
Then, objfile is changed to hold a unique_ptr to an instance of this
class.
struct psymbol_functions is put into psympriv.h, and not psymtab.c,
because that is convenient later in the series.
gdb/ChangeLog
2021-03-20 Tom Tromey <tom@tromey.com>
* psympriv.h (struct psymbol_functions): New.
* symfile.c (syms_from_objfile_1, reread_symbols): Update.
* symfile-debug.c (objfile::find_compunit_symtab_by_address)
(objfile::lookup_global_symbol_language): Update.
* quick-symbol.h (struct quick_symbol_functions): Convert function
pointers to methods. Add virtual destructor.
(quick_symbol_functions_up): New typedef.
* psymtab.h (psym_functions, dwarf2_gdb_index_functions)
(dwarf2_debug_names_functions): Don't declare.
(make_psymbol_functions): Declare.
* psymtab.c (psymbol_functions::map_symtabs_matching_filename)
(psymbol_functions::find_pc_sect_compunit_symtab)
(psymbol_functions::lookup_symbol)
(psymbol_functions::lookup_global_symbol_language)
(psymbol_functions::find_last_source_symtab)
(psymbol_functions::forget_cached_source_info)
(psymbol_functions::print_stats, psymbol_functions::dump)
(psymbol_functions::expand_symtabs_for_function)
(psymbol_functions::expand_all_symtabs)
(psymbol_functions::expand_symtabs_with_fullname)
(psymbol_functions::map_symbol_filenames)
(psymbol_functions::map_matching_symbols)
(psymbol_functions::expand_symtabs_matching)
(psymbol_functions::has_symbols)
(psymbol_functions::find_compunit_symtab_by_address): Rename.
(psym_functions): Remove.
(make_psymbol_functions): New function.
* objfiles.h (struct objfile) <qf>: Change type.
* elfread.c (elf_symfile_read): Update.
* dwarf2/read.c (struct dwarf2_base_index_functions)
(struct dwarf2_gdb_index, struct dwarf2_debug_names_index): New.
(make_dwarf_gdb_index, make_dwarf_debug_names): New functions.
(dwarf2_base_index_functions::find_last_source_symtab)
(dwarf2_base_index_functions::forget_cached_source_info)
(dwarf2_base_index_functions::map_symtabs_matching_filename)
(dwarf2_gdb_index::lookup_symbol)
(dwarf2_base_index_functions::print_stats)
(dwarf2_gdb_index::dump)
(dwarf2_gdb_index::expand_symtabs_for_function)
(dwarf2_base_index_functions::expand_all_symtabs)
(dwarf2_base_index_functions::expand_symtabs_with_fullname):
Rename.
(dwarf2_gdb_index::map_matching_symbols): New method.
(dwarf2_gdb_index::expand_symtabs_matching): New method.
(dwarf2_base_index_functions::find_pc_sect_compunit_symtab)
(dwarf2_base_index_functions::map_symbol_filenames)
(dwarf2_base_index_functions::has_symbols): Rename.
(dwarf2_gdb_index_functions): Remove.
(dwarf2_debug_names_index::lookup_symbol)
(dwarf2_debug_names_index::dump)
(dwarf2_debug_names_index::expand_symtabs_for_function)
(dwarf2_debug_names_index::map_matching_symbols)
(dwarf2_debug_names_index::expand_symtabs_matching): Rename.
(dwarf2_debug_names_functions): Remove.
* dwarf2/public.h (make_dwarf_gdb_index, make_dwarf_debug_names):
Declare.
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This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
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Currently pointers to all partial symbols are stored in two vectors;
and then indices into these vectors are stored in each partial_symtab.
This patch changes this so that each partial symtab instead has
vectors of symbols. add_psymbol_to_list can now be changed into a
method on partial_symtab as well.
My main motivation for doing this is that I am looking into calling
sort_pst_symbols in the background. However, I haven't actually
implemented this yet. (Also this may make it more feasible to also
sort the static psymbols, though I haven't tried that either.)
Also, though, this lets us remove the "current_global_psymbols"
vector, because now the callers can simply refer directly to the
psymtab that they are modifying (formerly this was implicit).
The main drawback of this patch is that it increases the size of
partial symtab.
gdb/ChangeLog
2020-10-17 Tom Tromey <tom@tromey.com>
* xcoffread.c (xcoff_end_psymtab): Use partial_symtab::empty.
(scan_xcoff_symtab): Update.
* psymtab.h (class psymtab_storage) <global_psymbols,
static_psymbols, current_global_psymbols,
current_static_psymbols>: Remove.
* psymtab.c (require_partial_symbols, find_pc_sect_psymbol)
(match_partial_symbol, lookup_partial_symbol): Update.
(print_partial_symbols): Change parameters.
(dump_psymtab, recursively_search_psymtabs)
(psym_fill_psymbol_map, psym_find_compunit_symtab_by_address)
(sort_pst_symbols, partial_symtab::partial_symtab): Update.
(concat): Remove.
(end_psymtab_common): Simplify.
(append_psymbol_to_list): Change parameters.
(partial_symtabs::add_psymbol): Rename from add_psymbol_to_list.
(init_psymbol_list): Simplify.
(maintenance_info_psymtabs, maintenance_check_psymtabs): Update.
* psympriv.h (struct partial_symtab) <empty>: New method.
<globals_offset, n_global_syms, statics_offset, n_static_syms>:
Remove.
<global_psymbols, static_psymbols>: New members.
<add_psymbol>: New methods.
(add_psymbol_to_list): Don't declare.
(psymbol_placement): Move earlier.
* mdebugread.c (parse_partial_symbols): Update.
(handle_psymbol_enumerators): Change parameters.
(mdebug_expand_psymtab): Update.
* dwarf2/read.c (process_psymtab_comp_unit_reader)
(add_partial_symbol): Update.
* dwarf2/index-write.c (write_psymbols): Change parameters.
(write_one_signatured_type): Update.
(recursively_count_psymbols): Update.
(recursively_write_psymbols): Update.
(class debug_names) <recursively_write_psymbols>: Update.
<write_psymbols>: Change parameters.
<write_one_signatured_type>: Update.
* dbxread.c (read_dbx_symtab): Update.
(dbx_end_psymtab): Use partial_symtab::empty.
* ctfread.c (struct ctf_context) <pst>: New member.
(create_partial_symtab): Set it.
(ctf_psymtab_type_cb, ctf_psymtab_var_cb): Update.
(scan_partial_symbols): Use the psymtab's context. Update.
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The two function pointers optionally passed to gdb::bcache are very good
candidates to be turned into virtual methods, this patch does that in
the most straightforward / unsurprising way.
gdb/ChangeLog:
* bcache.h (struct bcache) <bcache>: Remove constructor.
<m_hash_function, m_compare_function>: Remove.
<~bcache>: Make virtual.
<compare>: Remove static method, introduce virtual method.
<default_hash>: Remove.
<hash>: New virtual method.
* bcache.c (bcache::expand_hash_table): Update.
(bcache::insert): Update.
(bcache::hash): New.
(bcache::compare): Update comment and parameter names.
* gdbtypes.c (types_deeply_equal): Update.
* psymtab.h (struct psymbol_bcache): New struct.
(class psymtab_storage) <psymtab_storage>: Make default.
<psymbol_cache>: Change type to psymbol_bcache.
* psymtab.c (psymtab_storage::psymtab_storage): Remove.
(psymbol_hash): Change to...
(psymbol_bcache::hash): ... this.
(psymbol_compare): Change to...
(psymbol_bcache::compare): ... this.
Change-Id: I41d578e61de8ac1163461a28fbd220d1f855e372
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Consider test-case gdb.dwarf2/imported-unit.exp.
It contains a CU with type int:
...
<0><129>: Abbrev Number: 2 (DW_TAG_compile_unit)
<12a> DW_AT_language : 4 (C++)
<12b> DW_AT_name : imported_unit.c
<1><13b>: Abbrev Number: 3 (DW_TAG_base_type)
<13c> DW_AT_byte_size : 4
<13d> DW_AT_encoding : 5 (signed)
<13e> DW_AT_name : int
...
which is imported in another CU:
...
<0><d2>: Abbrev Number: 2 (DW_TAG_compile_unit)
<d3> DW_AT_language : 4 (C++)
<d4> DW_AT_name : <artificial>
<1><e1>: Abbrev Number: 3 (DW_TAG_imported_unit)
<e2> DW_AT_import : <0x129> [Abbrev Number: 2]
...
However, if we print the partial symbols:
...
$ gdb -batch imported-unit -ex "maint print psymbols"
...
we see type int both in the importing CU:
...
Partial symtab for source file <artificial>@0xc7 (object 0x29f9b80)
...
Depends on 1 other partial symtabs.
0 0x2a24240 imported_unit.c
Global partial symbols:
`main', function, 0x4004b2
Static partial symbols:
`int', type, 0x0
...
and in the imported CU:
...
Partial symtab for source file imported_unit.c (object 0x2a24240)
...
Depends on 0 other partial symtabs.
Shared partial symtab with user 0x29f9b80
Static partial symbols:
`int', type, 0x0
...
This is an artefact resulting from the fact that all CUs in an objfile
share the same storage array for static partial symbols (and another array for
global partial symbols), using a range to describe their symbols.
Then when scanning the partial symbols of a CU and encountering an import, either:
- the referred CU has not been parsed yet, and will be parsed, and the range of
static partial symbols of the referred CU will be a subrange of the range of
static partial symbols of this CU, or
- the referred CU has already been parsed, and the range of static partial
symbols of the referred CU will not be a subrange of the range of static
partial symbols of this CU.
This is inconsistent handling, and confuses the notion of a symbol belonging to
a single symtab.
Furthermore, it might slow down searches, given that the symbol needs to be
skipped twice.
Finally, the same issue holds for global partial symbols, where the range of a
CU is sorted after parsing is finished. Obviously sorting the range of a CU
may invalidate subranges, effectively moving symbols in and out of imported
CUs.
Fix this for both static and global partial symbols, by gathering partial
symbols in a per-CU vector, and adding those symbols to the per-objfile
storage only once complete.
Tested on x86_64-linux, with native and board cc-with-dwz and cc-with-dwz-m.
gdb/ChangeLog:
2020-03-13 Tom de Vries <tdevries@suse.de>
PR symtab/25646
* psymtab.c (partial_symtab::partial_symtab): Don't set
globals_offset and statics_offset. Push element onto
current_global_psymbols and current_static_psymbols stacks.
(concat): New function.
(end_psymtab_common): Set globals_offset and statics_offset. Pop
element from current_global_psymbols and current_static_psymbols
stacks. Concat popped elements to global_psymbols and
static_symbols.
(add_psymbol_to_list): Use current_global_psymbols and
current_static_psymbols stacks.
* psymtab.h (class psymtab_storage): Add current_global_psymbols and
current_static_psymbols fields.
gdb/testsuite/ChangeLog:
2020-03-13 Tom de Vries <tdevries@suse.de>
PR symtab/25646
* gdb.dwarf2/imported-unit.exp: Add test.
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This updates a comment in psymtab.h to reflect the current reality.
gdb/ChangeLog
2020-02-11 Tom Tromey <tom@tromey.com>
* psymtab.h: Update comment.
Change-Id: I438bb5929c3ebd1a4c6e9a902490f2ef63014ab3
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Currently, partial symbol tables are allocated by a method in
psymtab_storage. However, eventually we want to subclass partial
symtabs in the symbol readers, so the calls to "new" will have to
happen there. This patch is a first step, moving the allocation from
psymtab_storage and into allocate_psymtab.
gdb/ChangeLog
2020-01-26 Tom Tromey <tom@tromey.com>
* psymtab.h (class psymtab_storage) <install_psymtab>: Rename from
allocate_psymtab. Update documentation.
* psymtab.c (psymtab_storage::install_psymtab): Rename from
allocate_psymtab. Do not use new.
(allocate_psymtab): Use new. Update.
Change-Id: Iba6a9bf3ee1e78062fdb9f007c3010f826f64bc8
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This changes psymtabs to be allocated with new and destroyed with
delete. As a consequence, the psymtab free-list is also removed.
The motivation for this is to let symbol readers subclass
partial_symtab.
gdb/ChangeLog
2020-01-26 Tom Tromey <tom@tromey.com>
* mdebugread.c (parse_partial_symbols): Use discard_psymtab.
* psymtab.h (class psymtab_storage) <free_psymtabs>: Remove.
* psymtab.c (psymtab_storage): Delete psymtabs.
(psymtab_storage::allocate_psymtab): Use new.
(psymtab_storage::discard_psymtab): Use delete.
* psympriv.h (struct partial_symtab): Add constructor and
initializers.
Change-Id: I4e78ac538fc0ea52b57489c1afb8f935a30941ef
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gdb/ChangeLog:
Update copyright year range in all GDB files.
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This avoids a conflict with a system "struct bcache" on
Solaris (see e.g.
https://www.isi.edu/nsnam/archive/ns-users/webarch/2001/msg05393.html)
Note that the Solaris conflict for now only surfaces with
--enable-targets=all (which the build bot doesn't use).
gdb/ChangeLog:
2019-12-06 Christian Biesinger <cbiesinger@google.com>
* bcache.c: Put in namespace gdb.
* bcache.h: Likewise.
* gdbtypes.c (check_types_worklist): Update.
(types_deeply_equal): Update.
* macrotab.c (struct macro_table) <bcache>: Update.
(new_macro_table): Update.
* macrotab.h (struct bcache): Put this forward declaration
inside namespace gdb.
(new_macro_table): Update.
* objfiles.h (struct objfile_per_bfd_storage) <filename_cache>:
Update.
<macro_cache>: Update.
* psymtab.h: (psymtab_storage) <psymbol_cache>: Update.
Change-Id: I843d5e91f7ccb3db6d1099a8214c15a74510256f
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This changes require_partial_symbols to use bool as its parameter
type.
gdb/ChangeLog
2019-11-24 Tom Tromey <tom@tromey.com>
* symfile.c (read_symbols): Update.
* psymtab.c (require_partial_symbols): Change type of "verbose" to
bool.
(psym_map_symtabs_matching_filename, find_pc_sect_psymtab)
(psym_lookup_symbol, psym_find_last_source_symtab)
(psym_forget_cached_source_info, psym_print_stats)
(psym_expand_symtabs_for_function, psym_expand_all_symtabs)
(psym_expand_symtabs_with_fullname, psym_map_symbol_filenames)
(psym_map_matching_symbols, psym_expand_symtabs_matching)
(psym_find_compunit_symtab_by_address)
(maintenance_print_psymbols, maintenance_info_psymtabs)
(maintenance_check_psymtabs): Update.
* psymtab.h (require_partial_symbols): Change type of "verbose" to
bool.
Change-Id: Iae87aa5e4590706bb9e90a33adb86f1fe0fbf3c7
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I found that these tests:
make check-gdb RUNTESTFLAGS="--target_board=cc-with-gdb-index gdb.base/maint.exp"
make check-gdb RUNTESTFLAGS="--target_board=cc-with-debug-names gdb.base/maint.exp"
were causing GDB to segfault. It turns out that this test runs this
command:
maint print psymbols -pc main /path/to/some/file
which tries to lookup the partial_symtab for 'main'. The problem is
that there is no partial_symtab for 'main' as we are using the
.gdb_index or .debug_names instead of partial_symtabs.
What happens is that maintenance_print_symbols calls
find_pc_sect_psymtab, which looks for the partial_symtab in the
objfile's objfile->partial_symtabs->psymtabs_addrmap.
This is a problem because when we are using the indexes
psymtabs_addrmap is reused to hold things other than partial_symtabs,
this can be seen in dwarf2read.c in create_addrmap_from_index and
create_addrmap_from_aranges. If we then lookup in psymtabs_addrmap we
end up returning a pointer to something that isn't really a
partial_symtab, after which everything goes wrong.
Initially I simply added a check at the start of find_pc_sect_psymtab
that the objfile had some partial_symtabs, like:
if (objfile->partial_symtabs->psymtabs == NULL)
return NULL;
Figuring that if there were no partial_symtabs at all then this
function should always return NULL, however, this caused a failure in
the test gdb.python/py-event.exp which I didn't dig into too deeply,
but seems to be that in this tests there are initially no psymtabs,
but the second part of find_pc_sect_psymtab does manage to read some
in from somewhere, with the check I added the test fails as we
returned NULL here and this caused GDB to load in the full symtabs
earlier than was expected.
Instead I chose to guard only the access to psymtabs_addrmap with a
check that the function has some psymtabs. This allows my original
tests to pass, and the py-event.exp test to pass too.
Now, a good argument can be made that we simply should never call
find_pc_sect_psymtab on an objfile that is using indexes instead of
partial_symtabs. I did consider this approach, we could easily add an
assert into find_pc_sect_psymtab that if we find a partial_symtab in
psymtabs_addrmap then the psymtabs pointer must be non-null. The
responsibility would then be on the user of find_pc_sect_psymtab to
ensure that the objfile being checked is suitable. In the end I
didn't take this approach as the check in find_pc_sect_psymtab is
cheap and this ensures that any future miss-uses of the function will
not cause problems.
I also extended the comment on psymtabs_addrmap to indicate that it
holds more than just partial_symtabs as this was not at all clear from
the original comment, and caused me some confusion when I was
initially debugging this problem.
gdb/ChangeLog:
* psymtab.c (find_pc_sect_psymtab): Move baseaddr local into more
inner scope, add check that the objfile has psymtabs before
checking psymtabs_addrmap.
* psymtab.h (psymtab_storage) <psymtabs_addrmap>: Extend comment.
|
|
This is the next patch in the ongoing series to move gdbsever to the
top level.
This patch just renames the "common" directory. The idea is to do
this move in two parts: first rename the directory (this patch), then
move the directory to the top. This approach makes the patches a bit
more tractable.
I chose the name "gdbsupport" for the directory. However, as this
patch was largely written by sed, we could pick a new name without too
much difficulty.
Tested by the buildbot.
gdb/ChangeLog
2019-07-09 Tom Tromey <tom@tromey.com>
* contrib/ari/gdb_ari.sh: Change common to gdbsupport.
* configure: Rebuild.
* configure.ac: Change common to gdbsupport.
* gdbsupport: Rename from common.
* acinclude.m4: Change common to gdbsupport.
* Makefile.in (CONFIG_SRC_SUBDIR, COMMON_SFILES)
(HFILES_NO_SRCDIR, stamp-version, ALLDEPFILES): Change common to
gdbsupport.
* aarch64-tdep.c, ada-lang.c, ada-lang.h, agent.c, alloc.c,
amd64-darwin-tdep.c, amd64-dicos-tdep.c, amd64-fbsd-nat.c,
amd64-fbsd-tdep.c, amd64-linux-nat.c, amd64-linux-tdep.c,
amd64-nbsd-tdep.c, amd64-obsd-tdep.c, amd64-sol2-tdep.c,
amd64-tdep.c, amd64-windows-tdep.c, arch-utils.c,
arch/aarch64-insn.c, arch/aarch64.c, arch/aarch64.h, arch/amd64.c,
arch/amd64.h, arch/arm-get-next-pcs.c, arch/arm-linux.c,
arch/arm.c, arch/i386.c, arch/i386.h, arch/ppc-linux-common.c,
arch/riscv.c, arch/riscv.h, arch/tic6x.c, arm-tdep.c, auto-load.c,
auxv.c, ax-gdb.c, ax-general.c, ax.h, breakpoint.c, breakpoint.h,
btrace.c, btrace.h, build-id.c, build-id.h, c-lang.h, charset.c,
charset.h, cli/cli-cmds.c, cli/cli-cmds.h, cli/cli-decode.c,
cli/cli-dump.c, cli/cli-option.h, cli/cli-script.c,
coff-pe-read.c, command.h, compile/compile-c-support.c,
compile/compile-c.h, compile/compile-cplus-symbols.c,
compile/compile-cplus-types.c, compile/compile-cplus.h,
compile/compile-loc2c.c, compile/compile.c, completer.c,
completer.h, contrib/ari/gdb_ari.sh, corefile.c, corelow.c,
cp-support.c, cp-support.h, cp-valprint.c, csky-tdep.c, ctf.c,
darwin-nat.c, debug.c, defs.h, disasm-selftests.c, disasm.c,
disasm.h, dtrace-probe.c, dwarf-index-cache.c,
dwarf-index-cache.h, dwarf-index-write.c, dwarf2-frame.c,
dwarf2expr.c, dwarf2loc.c, dwarf2read.c, event-loop.c,
event-top.c, exceptions.c, exec.c, extension.h, fbsd-nat.c,
features/aarch64-core.c, features/aarch64-fpu.c,
features/aarch64-pauth.c, features/aarch64-sve.c,
features/i386/32bit-avx.c, features/i386/32bit-avx512.c,
features/i386/32bit-core.c, features/i386/32bit-linux.c,
features/i386/32bit-mpx.c, features/i386/32bit-pkeys.c,
features/i386/32bit-segments.c, features/i386/32bit-sse.c,
features/i386/64bit-avx.c, features/i386/64bit-avx512.c,
features/i386/64bit-core.c, features/i386/64bit-linux.c,
features/i386/64bit-mpx.c, features/i386/64bit-pkeys.c,
features/i386/64bit-segments.c, features/i386/64bit-sse.c,
features/i386/x32-core.c, features/riscv/32bit-cpu.c,
features/riscv/32bit-csr.c, features/riscv/32bit-fpu.c,
features/riscv/64bit-cpu.c, features/riscv/64bit-csr.c,
features/riscv/64bit-fpu.c, features/tic6x-c6xp.c,
features/tic6x-core.c, features/tic6x-gp.c, filename-seen-cache.h,
findcmd.c, findvar.c, fork-child.c, gcore.c, gdb_bfd.c, gdb_bfd.h,
gdb_proc_service.h, gdb_regex.c, gdb_select.h, gdb_usleep.c,
gdbarch-selftests.c, gdbthread.h, gdbtypes.h, gnu-nat.c,
go32-nat.c, guile/guile.c, guile/scm-ports.c,
guile/scm-safe-call.c, guile/scm-type.c, i386-fbsd-nat.c,
i386-fbsd-tdep.c, i386-go32-tdep.c, i386-linux-nat.c,
i386-linux-tdep.c, i386-tdep.c, i387-tdep.c,
ia64-libunwind-tdep.c, ia64-linux-nat.c, inf-child.c,
inf-ptrace.c, infcall.c, infcall.h, infcmd.c, inferior-iter.h,
inferior.c, inferior.h, inflow.c, inflow.h, infrun.c, infrun.h,
inline-frame.c, language.h, linespec.c, linux-fork.c, linux-nat.c,
linux-tdep.c, linux-thread-db.c, location.c, machoread.c,
macrotab.h, main.c, maint.c, maint.h, memattr.c, memrange.h,
mi/mi-cmd-break.h, mi/mi-cmd-env.c, mi/mi-cmd-stack.c,
mi/mi-cmd-var.c, mi/mi-interp.c, mi/mi-main.c, mi/mi-parse.h,
minsyms.c, mips-linux-tdep.c, namespace.h,
nat/aarch64-linux-hw-point.c, nat/aarch64-linux-hw-point.h,
nat/aarch64-linux.c, nat/aarch64-sve-linux-ptrace.c,
nat/amd64-linux-siginfo.c, nat/fork-inferior.c,
nat/linux-btrace.c, nat/linux-btrace.h, nat/linux-namespaces.c,
nat/linux-nat.h, nat/linux-osdata.c, nat/linux-personality.c,
nat/linux-procfs.c, nat/linux-ptrace.c, nat/linux-ptrace.h,
nat/linux-waitpid.c, nat/mips-linux-watch.c,
nat/mips-linux-watch.h, nat/ppc-linux.c, nat/x86-dregs.c,
nat/x86-dregs.h, nat/x86-linux-dregs.c, nat/x86-linux.c,
nto-procfs.c, nto-tdep.c, objfile-flags.h, objfiles.c, objfiles.h,
obsd-nat.c, observable.h, osdata.c, p-valprint.c, parse.c,
parser-defs.h, ppc-linux-nat.c, printcmd.c, probe.c, proc-api.c,
procfs.c, producer.c, progspace.h, psymtab.h,
python/py-framefilter.c, python/py-inferior.c, python/py-ref.h,
python/py-type.c, python/python.c, record-btrace.c, record-full.c,
record.c, record.h, regcache-dump.c, regcache.c, regcache.h,
remote-fileio.c, remote-fileio.h, remote-sim.c, remote.c,
riscv-tdep.c, rs6000-aix-tdep.c, rust-exp.y, s12z-tdep.c,
selftest-arch.c, ser-base.c, ser-event.c, ser-pipe.c, ser-tcp.c,
ser-unix.c, skip.c, solib-aix.c, solib-target.c, solib.c,
source-cache.c, source.c, source.h, sparc-nat.c, spu-linux-nat.c,
stack.c, stap-probe.c, symfile-add-flags.h, symfile.c, symfile.h,
symtab.c, symtab.h, target-descriptions.c, target-descriptions.h,
target-memory.c, target.c, target.h, target/waitstatus.c,
target/waitstatus.h, thread-iter.h, thread.c, tilegx-tdep.c,
top.c, top.h, tracefile-tfile.c, tracefile.c, tracepoint.c,
tracepoint.h, tui/tui-io.c, ui-file.c, ui-out.h,
unittests/array-view-selftests.c,
unittests/child-path-selftests.c, unittests/cli-utils-selftests.c,
unittests/common-utils-selftests.c,
unittests/copy_bitwise-selftests.c, unittests/environ-selftests.c,
unittests/format_pieces-selftests.c,
unittests/function-view-selftests.c,
unittests/lookup_name_info-selftests.c,
unittests/memory-map-selftests.c, unittests/memrange-selftests.c,
unittests/mkdir-recursive-selftests.c,
unittests/observable-selftests.c,
unittests/offset-type-selftests.c, unittests/optional-selftests.c,
unittests/parse-connection-spec-selftests.c,
unittests/ptid-selftests.c, unittests/rsp-low-selftests.c,
unittests/scoped_fd-selftests.c,
unittests/scoped_mmap-selftests.c,
unittests/scoped_restore-selftests.c,
unittests/string_view-selftests.c, unittests/style-selftests.c,
unittests/tracepoint-selftests.c, unittests/unpack-selftests.c,
unittests/utils-selftests.c, unittests/xml-utils-selftests.c,
utils.c, utils.h, valarith.c, valops.c, valprint.c, value.c,
value.h, varobj.c, varobj.h, windows-nat.c, x86-linux-nat.c,
xml-support.c, xml-support.h, xml-tdesc.h, xstormy16-tdep.c,
xtensa-linux-nat.c, dwarf2read.h: Change common to gdbsupport.
gdb/gdbserver/ChangeLog
2019-07-09 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
* configure.ac: Change common to gdbsupport.
* acinclude.m4: Change common to gdbsupport.
* Makefile.in (SFILES, OBS, GDBREPLAY_OBS, IPA_OBJS)
(version-generated.c, gdbsupport/%-ipa.o, gdbsupport/%.o): Change
common to gdbsupport.
* ax.c, event-loop.c, fork-child.c, gdb_proc_service.h,
gdbreplay.c, gdbthread.h, hostio-errno.c, hostio.c, i387-fp.c,
inferiors.c, inferiors.h, linux-aarch64-tdesc-selftest.c,
linux-amd64-ipa.c, linux-i386-ipa.c, linux-low.c,
linux-tic6x-low.c, linux-x86-low.c, linux-x86-tdesc-selftest.c,
linux-x86-tdesc.c, lynx-i386-low.c, lynx-low.c, mem-break.h,
nto-x86-low.c, regcache.c, regcache.h, remote-utils.c, server.c,
server.h, spu-low.c, symbol.c, target.h, tdesc.c, tdesc.h,
thread-db.c, tracepoint.c, win32-i386-low.c, win32-low.c: Change
common to gdbsupport.
|
|
This somewhat C++-ifies bcache. It replaces bcache_xmalloc and
bcache_xfree with constructors; changes some functions into methods;
and changes various structures to include a bcache directly (as
opposed to a pointer to a bcache).
Tested by the buildbot.
gdb/ChangeLog
2019-03-07 Tom Tromey <tom@tromey.com>
* symmisc.c (print_symbol_bcache_statistics): Update.
(print_objfile_statistics): Update.
* symfile.c (allocate_symtab): Update.
* stabsread.c: Don't include bcache.h.
* psymtab.h (struct psymbol_bcache): Don't declare.
(class psymtab_storage) <psymbol_cache>: Now a bcache.
(psymbol_bcache_init, psymbol_bcache_free)
(psymbol_bcache_get_bcache): Don't declare.
* psymtab.c (struct psymbol_bcache): Remove.
(psymtab_storage::psymtab_storage): Update.
(psymtab_storage::~psymtab_storage): Update.
(psymbol_bcache_init, psymbol_bcache_free)
(psymbol_bcache_get_bcache, psymbol_bcache_full): Remove.
(add_psymbol_to_bcache): Update.
(allocate_psymtab): Update.
* objfiles.h (struct objfile_per_bfd_storage) <filename_cache,
macro_cache>: No longer pointers.
* objfiles.c (get_objfile_bfd_data): Don't call bcache_xmalloc.
(free_objfile_per_bfd_storage): Don't call bcache_xfree.
* macrotab.c (macro_bcache): Update.
* macroexp.c: Don't include bcache.h.
* gdbtypes.c (check_types_worklist): Update.
(types_deeply_equal): Remove TRY/CATCH. Update.
* elfread.c (elf_symtab_read): Update.
* dwarf2read.c: Don't include bcache.h.
* buildsym.c (buildsym_compunit::get_macro_table): Update.
* bcache.h (bcache, bcache_full, bcache_xffree, bcache_xmalloc)
(print_bcache_statistics, bcache_memory_used): Don't declare.
(struct bcache): Move from bcache.c. Add constructor, destructor,
methods. Rename all data members.
* bcache.c (struct bcache): Move to bcache.h.
(bcache::expand_hash_table): Rename from expand_hash_table.
(bcache): Remove.
(bcache::insert): Rename from bcache_full.
(bcache::compare): Rename from bcache_compare.
(bcache_xmalloc): Remove.
(bcache::~bcache): Rename from bcache_xfree.
(bcache::print_statistics): Rename from print_bcache_statistics.
(bcache::memory_used): Rename from bcache_memory_used.
|
|
This removes the objfile_psymtabs class in favor of a method on
objfile and on psymtab_storage.
2019-01-16 Tom Tromey <tom@tromey.com>
* objfiles.h (struct objfile) <psymtabs>: New method.
(class objfile_psymtabs): Remove.
* psymtab.h (class psymtab_storage) <partial_symtab_range>: New
typedef.
<range>: New method.
(require_partial_symbols): Change return type.
* psymtab.c (require_partial_symbols)
(psym_expand_symtabs_matching): Update.
* mdebugread.c (parse_partial_symbols): Update.
* dbxread.c (dbx_end_psymtab): Update.
|
|
Previously, the psymtab obstack was just a pointer to the objfile
obstack. This patch changes psymtabs to use their own obstack,
instead. A gdb::optional is used to avoid unnecessary allocation when
the obstack is not needed.
After this patch, the psymtab code lifetime model is that, in the core
psymtab code, objects allocated on the psymtab obstack may point to
other such objects, or to objects on the per-BFD obstack -- but never
to the objfile obstack.
Note however that this invariant is only obeyed the core psymtab code,
and even there not quite fully: there is still a link from the psymtab
to the full symtab.
Symbol readers are free to work however they like; and in particular,
even after this patch, in practice all symbol readers violate this
invariant via the read_symtab_private field.
gdb/ChangeLog
2019-01-10 Tom Tromey <tom@tromey.com>
* objfiles.h (objfile::reset_psymtabs): Update.
* objfiles.c (objfile::objfile): Update.
* psymtab.h (psymtab_storage::obstack): Update.
(psymtab_storage::m_obstack): Use gdb::optional.
(class psymtab_storage): Update comment. Remove objfile
parameter.
* psymtab.c (psymtab_storage::psymtab_storage): Update.
|
|
This adds a new psymtab allocation method to psymtab_storage and
changes the free_psymtabs member to be private. While not strictly
necessary, this seems like a decent cleanup, and also makes it simpler
to move psymtabs off of obstacks entirely, should that prove
desirable.
gdb/ChangeLog
2019-01-10 Tom Tromey <tom@tromey.com>
* psymtab.h (psymtab_storage::allocate_psymtab): New method.
<free_psymtabs>: Now private.
* psymtab.c (psymtab_storage::allocate_psymtab): Implement.
(allocate_psymtab): Use new method.
|
|
This adds a new method to psymtab_storage to allocate storage for
psymtab dependencies, then changes the symbol readers to use it. This
has the effect of moving the storage to the psymtab storage obstack.
gdb/ChangeLog
2019-01-10 Tom Tromey <tom@tromey.com>
* xcoffread.c (xcoff_end_psymtab): Use allocate_dependencies.
* psymtab.h (psymtab_storage::allocate_dependencies): New method.
* mdebugread.c (parse_partial_symbols): Use
allocate_dependencies.
* dwarf2read.c (dwarf2_create_include_psymtab): Use
allocate_dependencies.
(process_psymtab_comp_unit_reader)
(build_type_psymtab_dependencies): Likewise.
* dbxread.c (dbx_end_psymtab): Use allocate_dependencies.
|
|
After this patch, the psymtab address map will now be allocated on the
psymtab obstack rather than the objfile obstack. This also changes
the psymtab storage object to make the obstack private; this will be
used later.
gdb/ChangeLog
2019-01-10 Tom Tromey <tom@tromey.com>
* psymtab.h (psymtab_storage::obstack): New method.
<m_obstack>: Rename from obstack; now private.
* psymtab.c (psymtab_storage): Update.
* dwarf2read.c (create_addrmap_from_index)
(create_addrmap_from_aranges, dwarf2_build_psymtabs_hard):
Update.
|
|
This introduces a new psymtab_storage class, which holds all
psymbol-related objects that are independent of the objfile. (This
latter contraint explains why psymbol_map was not moved; though this
could still be done with some work.)
This patch does not yet change where psymtab allocation is done --
that comes later. This just wraps everything in a single object to
make further transformations simpler.
Note that a shared_ptr is used to link from the objfile to the
psymtab_storage object. The end goal here is to allow a given symbol
reader to simply attach to the psymtab_storage object to the BFD, then
reuse it in later invocations; shared_ptr makes this simple to reason
about.
gdb/ChangeLog
2019-01-10 Tom Tromey <tom@tromey.com>
* symmisc.c (print_symbol_bcache_statistics): Update.
(print_objfile_statistics): Update.
* symfile.c (reread_symbols): Update.
* psymtab.h (class psymtab_storage): New.
* psymtab.c (psymtab_storage): New constructor.
(~psymtab_storage): New destructor.
(require_partial_symbols): Update.
(ALL_OBJFILE_PSYMTABS_REQUIRED): Rewrite.
(find_pc_sect_psymtab, find_pc_sect_psymbol)
(match_partial_symbol, lookup_partial_symbol, dump_psymtab)
(psym_dump, recursively_search_psymtabs, psym_has_symbols)
(psym_find_compunit_symtab_by_address, sort_pst_symbols)
(start_psymtab_common, end_psymtab_common)
(add_psymbol_to_bcache, add_psymbol_to_list, init_psymbol_list)
(allocate_psymtab): Update.
(psymtab_storage::discard_psymtab): Rename from discard_psymtab.
Update.
(dump_psymtab_addrmap, maintenance_print_psymbols)
(maintenance_check_psymtabs): Update.
(class objfile_psymtabs): Move to objfiles.h.
* psympriv.h (discard_psymtab): Now inline.
(psymtab_discarder::psymtab_discarder): Update.
(psymtab_discarder::~psymtab_discarder): Update.
(ALL_OBJFILE_PSYMTABS): Rewrite.
* objfiles.h (struct objfile) <psymtabs, psymtabs_addrmap,
free_psymtabs, psymbol_cache, global_psymbols, static_psymbols>:
Remove fields.
<partial_symtabs>: New field.
(class objfile_psymtabs): Move from psymtab.h. Update.
* objfiles.c (objfile::objfile): Initialize partial_symtabs, not
psymbol_cache.
(objfile::~objfile): Don't destroy psymbol_cache.
* mdebugread.c (parse_partial_symbols): Update.
* dwarf2read.c (create_addrmap_from_index)
(create_addrmap_from_aranges, dw2_find_pc_sect_compunit_symtab)
(process_psymtab_comp_unit_reader, dwarf2_build_psymtabs_hard)
(add_partial_subprogram, dwarf2_ranges_read): Update.
* dwarf-index-write.c (write_address_map)
(write_one_signatured_type, recursively_write_psymbols)
(class debug_names, class debug_names, write_psymtabs_to_index):
Update.
|
|
This removes the ALL_OBJFILE_PSYMTABS macro, replacing its uses with
ranged for loops.
gdb/ChangeLog
2019-01-09 Tom Tromey <tom@tromey.com>
* dbxread.c (dbx_end_psymtab): Use objfile_psymtabs.
* mdebugread.c (parse_partial_symbols): Use objfile_psymtabs.
* psymtab.c (ALL_OBJFILE_PSYMTABS_REQUIRED): Remove.
(psym_map_symtabs_matching_filename, find_pc_sect_psymtab)
(psym_lookup_symbol, psym_find_last_source_symtab)
(psym_forget_cached_source_info, psym_print_stats)
(psym_expand_symtabs_for_function, psym_expand_all_symtabs)
(psym_expand_symtabs_with_fullname, psym_map_symbol_filenames)
(psym_map_matching_symbols, psym_expand_symtabs_matching)
(psym_find_compunit_symtab_by_address)
(maintenance_print_psymbols, maintenance_info_psymtabs)
(maintenance_check_psymtabs): Use ranged for.
* psymtab.h (class objfile_psymtabs): New.
(require_partial_symbols): Return objfile_psymtabs.
* psympriv.h (ALL_OBJFILE_PSYMTABS): Remove.
|
|
This commit applies all changes made after running the gdb/copyright.py
script.
Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.
gdb/ChangeLog:
Update copyright year range in all GDB files.
|
|
gdb/ChangeLog:
Update copyright year range in all GDB files
|
|
Some testcases needed to be updated as they were missing
.debug_aranges. While that does not matter for no-index (as GDB
builds the mapping internally during dwarf2_build_psymtabs_hard) and
neither for .gdb_index (as GDB uses that internally built mapping
which it stores into .gdb_index) it does matter for .debug_names as
that simply assumes existing .debug_aranges from GCC.
gdb/ChangeLog:
2017-12-08 Jan Kratochvil <jan.kratochvil@redhat.com>
Pedro Alves <palves@redhat.com>
* defs.h (elf_sym_fns_debug_names): New declaration.
* dwarf2read.c: Include "hash_enum.h".
(mapped_debug_names): New.
(struct dwarf2_per_objfile): Add debug_names, debug_aranges and
debug_names_table.
(dwarf2_elf_names): Add ".debug_names" and ".debug_aranges".
(struct dwz_file): Add debug_names.
(dwarf2_per_objfile::locate_sections): Handle debug_names and
debug_aranges.
(locate_dwz_sections): Handle debug_names.
(create_signatured_type_table_from_debug_names)
(create_addrmap_from_aranges): New.
(dwarf2_read_index): Update function comment.
(dwarf5_augmentation): Moved up.
(read_debug_names_from_section, create_cus_from_debug_names_list)
(create_cus_from_debug_names, dwarf2_read_debug_names): New.
(dwarf5_djb_hash): Moved up.
(dw2_debug_names_iterator): New.
(read_indirect_string_at_offset): New declaration.
(mapped_debug_names::namei_to_name)
(dw2_debug_names_iterator::find_vec_in_debug_names)
(dw2_debug_names_iterator::next, dw2_debug_names_lookup_symbol)
(dw2_debug_names_dump, dw2_debug_names_expand_symtabs_for_function)
(dw2_debug_names_expand_symtabs_matching, dwarf2_debug_names_functions):
New.
(dwarf2_initialize_objfile): Return also elf_sym_fns_debug_names.
(debug_names::djb_hash): Rename it to dwarf5_djb_hash.
(debug_names::build): Update djb_hash caller.
(write_debug_names): Move out and rename augmentation to
dwarf5_augmentation.
* elfread.c (elf_sym_fns_debug_names): New.
* psymtab.h (dwarf2_debug_names_functions): New declaration.
* symfile.h (struct dwarf2_debug_sections): Add debug_names and
debug_aranges.
* xcoffread.c (dwarf2_xcoff_names): Add debug_names and debug_aranges.
gdb/testsuite/ChangeLog:
2017-12-08 Jan Kratochvil <jan.kratochvil@redhat.com>
Pedro Alves <palves@redhat.com>
* gdb.base/maint.exp (check for .gdb_index): Check also for
.debug_names.
* gdb.dlang/watch-loc.c (.debug_aranges): New.
* gdb.dwarf2/dw2-case-insensitive-debug.S: Likewise.
* gdb.dwarf2/gdb-index.exp (check if index present, .gdb_index used)
(.gdb_index used after symbol reloading): Support also .debug_names.
* gdb.mi/dw2-ref-missing-frame-func.c (.debug_aranges): New.
|
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This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
|
|
gdb/ChangeLog:
Update year range in copyright notice of all files.
|
|
gdb/ChangeLog:
Update year range in copyright notice of all files.
|
|
This is the first of a set of three patches to cleanup psymtab.c a bit.
Basically, these two functions do not belong in psymtab.c:
expand_partial_symbol_names, map_partial_symbol_filenames,
and "partial" does not belong in the function name.
This first patch moves them to a better location.
The second patch adds some typedefs for function parameters to
quick_symbol_functions.expand_symtabs_matching.
The third patch removes "partial" from the function names
and uses them in more places.
* psymtab.c (expand_partial_symbol_names): Delete, moved to symfile.c.
(map_partial_symbol_filenames): Ditto.
* psymtab.h (expand_partial_symbol_names): Delete, moved to symfile.h.
(map_partial_symbol_filenames): Ditto.
* symfile.c (expand_partial_symbol_names): Moved here from psymtab.c.
(map_partial_symbol_filenames): Ditto.
* symfile.h (expand_partial_symbol_names): Moved here from psymtab.h.
(map_partial_symbol_filenames): Ditto.
* symtab.c: Delete #include "psymtab.h".
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Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
|
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The quick_symbol_functions struct contains a field which is pointer
a function which takes another function, called name_matcher, as
its parameter. This name_matcher currently has 3 arguments, one
of them being the language. This parameter is no longer used, and
thus deleted.
gdb/ChangeLog:
* symfile.h (struct quick_symbol_functions) [expand_symtabs_matching]:
Remove language parameter from name_matcher. Adjust the comment.
* symtab.c (search_symbols_name_matches, expand_partial_symbol_name):
Remove language parameter.
* ada-lang.c (ada_expand_partial_symbol_name): Likewise.
* linespec.c (iterate_name_matcher): Likewise.
* dwarf2read.c (dw2_expand_symtabs_matching): Adjust type of
name_matcher. Adjust call accordingly.
* psymtab.c (expand_symtabs_matching_via_partial): Likewise.
(maintenance_check_symtabs): Adjust type of parameter "fun".
* psymtab.h (maintenance_check_symtabs): Likewise.
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gdb/ChangeLog:
Copyright year update in most files of the GDB Project.
|
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gdb
2011-12-06 Joel Brobecker <brobecker@acacore.com>
* language.h (struct language_defn): Add new component
la_symbol_name_compare.
* symfile.h (struct quick_symbol_functions): Update the profile
of parameter "name_matcher" for the expand_symtabs_matching
method. Update the documentation accordingly.
* ada-lang.h (ada_name_for_lookup): Add declaration.
* ada-lang.c (ada_name_for_lookup): New function, extracted out
from ada_iterate_over_symbols.
(ada_iterate_over_symbols): Do not encode symbol name anymore.
(ada_expand_partial_symbol_name): Adjust profile.
(ada_language_defn): Add value for la_symbol_name_compare field.
* linespec.c: #include "ada-lang.h".
(iterate_name_matcher): Add language parameter. Replace call
to strcmp_iw by call to language->la_symbol_name_compare.
(decode_variable): Encode COPY if current language is Ada.
* dwarf2read.c (dw2_expand_symtabs_matching): Adjust profile
of name_matcher parameter. Adjust call to name_matcher.
* psymtab.c (expand_symtabs_matching_via_partial): Likewise.
(expand_partial_symbol_names): Update profile of parameter "fun".
* psymtab.h (expand_partial_symbol_names): Update profile of
parameter "fun".
* symtab.c (demangle_for_lookup): Update function documentation.
(search_symbols_name_matches): Add language parameter.
(expand_partial_symbol_name): Likewise.
* c-lang.c (c_language_defn, cplus_language_defn)
(asm_language_defn, minimal_language_defn): Add value for
la_symbol_name_compare field.
* d-lang.c (d_language_defn): Likewise.
* f-lang.c (f_language_defn): Ditto.
* jv-lang.c (java_language_defn): Ditto.
* m2-lang.c (m2_language_defn): Ditto.
* objc-lang.c (objc_language_defn): Ditto.
* opencl-lang.c (opencl_language_defn): Ditto.
* p-lang.c (pascal_language_defn): Ditto.
* language.c (unknown_language_defn, auto_language_defn)
(local_language_defn): Ditto.
2011-12-06 Tom Tromey <tromey@redhat.com>
* linespec.c (iterate_over_all_matching_symtabs): Use
LA_ITERATE_OVER_SYMBOLS.
(lookup_prefix_sym, add_matching_symbols_to_info): Likewise.
(find_function_symbols, decode_variable): Remove Ada special
case.
* language.h (struct language_defn) <la_iterate_over_symbols>: New
field.
(LA_ITERATE_OVER_SYMBOLS): New macro.
* language.c (unknown_language_defn, auto_language_defn)
(local_language_defn): Update.
* c-lang.c (c_language_defn, cplus_language_defn)
(asm_language_defn, minimal_language_defn): Update.
* d-lang.c (d_language_defn): Update.
* f-lang.c (f_language_defn): Update.
* jv-lang.c (java_language_defn): Update.
* m2-lang.c (m2_language_defn): Update.
* objc-lang.c (objc_language_defn): Update.
* opencl-lang.c (opencl_language_defn): Update.
* p-lang.c (pascal_language_defn): Update.
* ada-lang.c (ada_iterate_over_symbols): New function.
(ada_language_defn): Update.
2011-12-06 Tom Tromey <tromey@redhat.com>
Joel Brobecker <brobecker@acacore.com>
PR breakpoints/13105, PR objc/8341, PR objc/8343, PR objc/8366,
PR objc/8535, PR breakpoints/11657, PR breakpoints/11970,
PR breakpoints/12023, PR breakpoints/12334, PR breakpoints/12856,
PR shlibs/8929, PR shlibs/7393:
* python/py-type.c (compare_maybe_null_strings): Rename from
compare_strings.
(check_types_equal): Update.
* utils.c (compare_strings): New function.
* tui/tui-winsource.c (tui_update_breakpoint_info): Update for
location changes.
* tracepoint.c (scope_info): Update.
(trace_find_line_command): Use DECODE_LINE_FUNFIRSTLINE.
* symtab.h (iterate_over_minimal_symbols)
(iterate_over_some_symtabs, iterate_over_symtabs)
(find_pcs_for_symtab_line, iterate_over_symbols)
(demangle_for_lookup): Declare.
(expand_line_sal): Remove.
* symtab.c (iterate_over_some_symtabs, iterate_over_symtabs)
(lookup_symtab_callback): New functions.
(lookup_symtab): Rewrite.
(demangle_for_lookup): New function, extract from
lookup_symbol_in_language.
(lookup_symbol_in_language): Use it.
(iterate_over_symbols): New function.
(find_line_symtab): Update.
(find_pcs_for_symtab_line): New functions.
(find_line_common): Add 'start' argument.
(decode_line_spec): Update. Change argument to 'flags', change
interpretation.
(append_expanded_sal): Remove.
(append_exact_match_to_sals): Remove.
(expand_line_sal): Remove.
* symfile.h (struct quick_symbol_functions) <lookup_symtab>:
Remove.
<map_symtabs_matching_filename>: New field.
* stack.c (func_command): Only look in the current program space.
Use DECODE_LINE_FUNFIRSTLINE.
* source.c (line_info): Set pspace on sal. Check program space in
the loop. Use DECODE_LINE_LIST_MODE.
(select_source_symtab): Use DECODE_LINE_FUNFIRSTLINE.
* solib-target.c: Remove DEF_VEC_I(CORE_ADDR).
* python/python.c (gdbpy_decode_line): Update.
* psymtab.c (partial_map_expand_apply): New function.
(partial_map_symtabs_matching_filename): Rename from
lookup_partial_symbol. Update arguments.
(lookup_symtab_via_partial_symtab): Remove.
(psym_functions): Update.
* objc-lang.h (parse_selector, parse_method): Don't declare.
(find_imps): Update.
* objc-lang.c (parse_selector, parse_method): Now static.
(find_methods): Change arguments. Fill in a vector of symbol
names.
(uniquify_strings): New function.
(find_imps): Change arguments.
* minsyms.c (iterate_over_minimal_symbols): New function.
* linespec.h (enum decode_line_flags): New.
(struct linespec_sals): New.
(struct linespec_result) <canonical>: Remove.
<pre_expanded, addr_string, sals>: New fields.
(destroy_linespec_result, make_cleanup_destroy_linespec_result)
(decode_line_full): Declare.
(decode_line_1): Update.
* linespec.c (struct address_entry, struct linespec_state, struct
collect_info): New types.
(add_sal_to_sals_basic, add_sal_to_sals, hash_address_entry)
(eq_address_entry, maybe_add_address): New functions.
(total_number_of_methods): Remove.
(iterate_name_matcher, iterate_over_all_matching_symtabs): New
functions.
(find_methods): Change arguments. Don't canonicalize input.
Simplify logic.
(add_matching_methods, add_constructors)
(build_canonical_line_spec): Remove.
(filter_results, convert_results_to_lsals): New functions.
(decode_line_2): Change arguments. Rewrite for new data
structures.
(decode_line_internal): Rename from decode_line_1. Change
arguments. Add cleanups. Update for new data structures.
(linespec_state_constructor, linespec_state_destructor)
(decode_line_full, decode_line_1): New functions.
(decode_indirect): Change arguments. Update.
(locate_first_half): Use skip_spaces.
(decode_objc): Change arguments. Update for new data structures.
Simplify logic.
(decode_compound): Change arguments. Add cleanups. Remove
fallback code, replace with error.
(struct decode_compound_collector): New type.
(collect_one_symbol): New function.
(lookup_prefix_sym): Change arguments. Update.
(compare_symbol_name, add_all_symbol_names_from_pspace)
(find_superclass_methods ): New functions.
(find_method): Rewrite.
(struct symtab_collector): New type.
(add_symtabs_to_list, collect_symtabs_from_filename): New
functions.
(symtabs_from_filename): Change API. Rename from
symtab_from_filename.
(collect_function_symbols): New function.
(find_function_symbols): Change API. Rename from
find_function_symbol. Rewrite.
(decode_all_digits): Change arguments. Rewrite.
(decode_dollar): Change arguments. Use decode_variable.
(decode_label): Change arguments. Rewrite.
(collect_symbols): New function.
(minsym_found): Change arguments. Rewrite.
(check_minsym, search_minsyms_for_name)
(add_matching_symbols_to_info): New function.
(decode_variable): Change arguments. Iterate over all symbols.
(symbol_found): Remove.
(symbol_to_sal): New function.
(init_linespec_result, destroy_linespec_result)
(cleanup_linespec_result, make_cleanup_destroy_linespec_result):
New functions.
(decode_digits_list_mode, decode_digits_ordinary): New functions.
* dwarf2read.c (dw2_map_expand_apply): New function.
(dw2_map_symtabs_matching_filename): Rename from
dw2_lookup_symtab. Change arguments.
(dwarf2_gdb_index_functions): Update.
* dwarf2loc.c: Remove DEF_VEC_I(CORE_ADDR).
* defs.h (compare_strings): Declare.
* cli/cli-cmds.c (compare_strings): Move to utils.c.
(edit_command, list_command): Use DECODE_LINE_LIST_MODE. Call
filter_sals.
(compare_symtabs, filter_sals): New functions.
* breakpoint.h (struct bp_location) <line_number, source_file>:
New fields.
(struct breakpoint) <line_number, source_file>: Remove.
<filter>: New field.
* breakpoint.c (print_breakpoint_location, init_raw_breakpoint)
(momentary_breakpoint_from_master, add_location_to_breakpoint):
Update for changes to locations.
(init_breakpoint_sal): Add 'filter' argument. Set 'filter' on
breakpoint.
(create_breakpoint_sal): Add 'filter' argument.
(remove_sal, expand_line_sal_maybe): Remove.
(create_breakpoints_sal): Remove 'sals' argument. Handle
pre-expanded sals and the filter.
(parse_breakpoint_sals): Use decode_line_full.
(check_fast_tracepoint_sals): Use get_sal_arch.
(create_breakpoint): Create a linespec_sals. Update.
(break_range_command): Use decode_line_full. Update.
(until_break_command): Update.
(clear_command): Update match conditions for linespec.c changes.
Use DECODE_LINE_LIST_MODE.
(say_where): Update for changes to locations.
(bp_location_dtor): Free 'source_file'.
(base_breakpoint_dtor): Free 'filter'. Don't free 'source_file'.
(update_static_tracepoint): Update for changes to locations.
(update_breakpoint_locations): Disable ranged breakpoint if too
many locations match. Update.
(addr_string_to_sals): Use decode_line_full. Resolve all sal
PCs.
(breakpoint_re_set_default): Don't call expand_line_sal_maybe.
(decode_line_spec_1): Update. Change argument name to 'flags',
change interpretation.
* block.h (block_containing_function): Declare.
* block.c (block_containing_function): New function.
* skip.c (skip_function_command): Update.
(skip_re_set): Update.
* infcmd.c (jump_command): Use DECODE_LINE_FUNFIRSTLINE.
* mi/mi-main.c (mi_cmd_trace_find): Use DECODE_LINE_FUNFIRSTLINE.
* NEWS: Add entry.
2011-12-06 Tom Tromey <tromey@redhat.com>
* elfread.c (elf_gnu_ifunc_resolver_return_stop): Allow
breakpoint's pspace to be NULL.
* breakpoint.h (struct breakpoint) <pspace>: Update comment.
* breakpoint.c (init_raw_breakpoint): Conditionally set
breakpoint's pspace.
(init_breakpoint_sal): Don't set breakpoint's pspace.
(prepare_re_set_context): Conditionally switch program space.
(addr_string_to_sals): Check executing_startup on location's
program space.
2011-12-06 Tom Tromey <tromey@redhat.com>
* breakpoint.h (enum enable_state) <bp_startup_disabled>: Remove.
* breakpoint.c (should_be_inserted): Explicitly check if program
space is executing startup.
(describe_other_breakpoints): Update.
(disable_breakpoints_before_startup): Change executing_startup
earlier. Remove loop.
(enable_breakpoints_after_startup): Likewise.
(init_breakpoint_sal): Don't use bp_startup_disabled.
(create_breakpoint): Don't use bp_startup_disabled.
(update_global_location_list): Use should_be_inserted.
(bkpt_re_set): Update.
gdb/testsuite
2011-12-06 Joel Brobecker <brobecker@acacore.com>
* gdb.ada/fullname_bp.exp: Add tests for other valid linespecs
involving a fully qualified function name.
2011-12-06 Tom Tromey <tromey@redhat.com>
* gdb.ada/homonym.exp: Add three breakpoint tests.
2011-12-06 Tom Tromey <tromey@redhat.com>
* gdb.base/solib-weak.exp (do_test): Remove kfail.
* gdb.trace/tracecmd.exp: Disable pending breakpoints earlier.
* gdb.objc/objcdecode.exp: Update for output changes.
* gdb.linespec/linespec.exp: New file.
* gdb.linespec/lspec.cc: New file.
* gdb.linespec/lspec.h: New file.
* gdb.linespec/body.h: New file.
* gdb.linespec/base/two/thefile.cc: New file.
* gdb.linespec/base/one/thefile.cc: New file.
* gdb.linespec/Makefile.in: New file.
* gdb.cp/templates.exp (test_template_breakpoints): Update for
output changes.
* gdb.cp/re-set-overloaded.exp: Remove kfail.
* gdb.cp/ovldbreak.exp: Update for output changes. "all" test now
makes one breakpoint.
* gdb.cp/method2.exp (test_break): Update for output changes.
* gdb.cp/mb-templates.exp: Update for output changes.
* gdb.cp/mb-inline.exp: Update for output changes.
* gdb.cp/mb-ctor.exp: Update for output changes.
* gdb.cp/ovsrch.exp: Use fully-qualified names.
* gdb.base/solib-symbol.exp: Run to main later. Breakpoint now
has multiple matches.
* gdb.base/sepdebug.exp: Disable pending breakpoints. Update for
error message change.
* gdb.base/list.exp (test_list_filename_and_number): Update for
error message change.
* gdb.base/break.exp: Disable pending breakpoints. Update for
output changes.
* configure.ac: Add gdb.linespec.
* configure: Rebuild.
* Makefile.in (ALL_SUBDIRS): Add gdb.linespec.
gdb/doc
2011-12-06 Tom Tromey <tromey@redhat.com>
* gdb.texinfo (Set Breaks): Update for new behavior.
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`need_fullname'.
* psymtab.c (map_symbol_filenames_psymtab): Ditto.
(map_partial_symbol_filenames): Ditto. All callers updated.
* psymtab.h (map_partial_symbol_filenames): Update prototype.
* symfile.h (struct quick_symbol_functions, map_symbol_filenames): New
parameter need_fullname.
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Code cleanup.
* dwarf2read.c (dw2_map_symbol_filenames): Use symbol_filename_ftype
for fun.
* psymtab.c (map_symbol_filenames_psymtab)
(map_partial_symbol_filenames): Likewise.
* psymtab.h: Include symfile.h.
(map_partial_symbol_filenames): Use symbol_filename_ftype for fun.
* symfile.h (symbol_filename_ftype): New.
(struct quick_symbol_functions): Use symbol_filename_ftype for fun of
map_symbol_filenames, clarify more the naming in comment.
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* ada-lang.c (struct add_partial_datum): Update the comment for
expand_partial_symbol_name.
(ada_add_partial_symbol_completions): Rename to ...
(ada_expand_partial_symbol_name): ... here, change return type, update
function comment, call symbol_completion_match instead of
symbol_completion_add.
(ada_make_symbol_completion_list): Use now expand_partial_symbol_names
and ada_expand_partial_symbol_name.
* dwarf2read.c (dw2_expand_symtabs_matching): Support NULL
FILE_MATCHER.
(dw2_map_symbol_names): Remove.
(dwarf2_gdb_index_functions): Unlist dw2_map_symbol_names.
* psymtab.c (map_symbol_names_psymtab): Remove.
(expand_symtabs_matching_via_partial): Support NULL FILE_MATCHER.
Support KIND == ALL_DOMAIN. Exchange the NAME_MATCHER and KIND check
order.
(psym_functions): Unlist map_symbol_names_psymtab.
(map_partial_symbol_names): Rename to ...
(expand_partial_symbol_names): ... here, change the FUN type, call
expand_symtabs_matching with ALL_DOMAIN and NULL FILE_MATCHER now.
* psymtab.h (map_partial_symbol_names): Rename to ...
(expand_partial_symbol_names): ... here, change the FUN type.
* symfile.h (struct quick_symbol_functions): Update the description of
expand_symtabs_matching. Remove map_symbol_names.
* symtab.c (search_symbols): Add ALL_DOMAIN to the function comment.
(struct add_name_data): Update the comment for
expand_partial_symbol_name.
(add_partial_symbol_name): Rename to ...
(expand_partial_symbol_name): ... here. Replace
completion_list_add_name call by strncmp.
(default_make_symbol_completion_list_break_on): Use now
expand_partial_symbol_names and expand_partial_symbol_name.
* symtab.h (enum search_domain): New element ALL_DOMAIN.
gdb/testsuite/
* gdb.cp/cpcompletion.exp (complete class methods)
(complete class methods beginning with F): Move them above runto. New
comment about the runto delimiter.
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|
* symfile.h (struct sym_fns) <sym_read_psymbols>: New field.
(enum symfile_add_flags) <SYMFILE_NO_READ>: New constant.
* symfile.c (syms_from_objfile): Handle SYMFILE_NO_READ.
(symbol_file_add_with_addrs_or_offsets): Likewise.
(reread_symbols): Handle OBJF_PSYMTABS_READ.
* somread.c (som_sym_fns): Update.
* psymtab.h (require_partial_symbols): Declare.
* psymtab.c (require_partial_symbols): New function.
(ALL_OBJFILE_PSYMTABS_REQUIRED): New macro.
(ALL_OBJFILE_PSYMTABS): Undef.
(ALL_PSYMTABS): Move from psympriv.h.
(lookup_partial_symtab, find_pc_sect_psymtab)
(lookup_symbol_aux_psymtabs, relocate_psymtabs)
(find_last_source_symtab_from_partial)
(forget_cached_source_info_partial)
(print_psymtab_stats_for_objfile, read_symtabs_for_function)
(expand_partial_symbol_tables, read_psymtabs_with_filename)
(map_symbol_names_psymtab, map_symbol_filenames_psymtab)
(find_symbol_file_from_partial, map_matching_symbols_psymtab)
(expand_symtabs_matching_via_partial, maintenance_info_psymtabs):
Use ALL_OBJFILE_PSYMTABS_REQUIRED.
* psympriv.h (ALL_PSYMTABS): Move to psymtab.c.
* objfiles.h (OBJF_PSYMTABS_READ): New macro.
* objfiles.c (objfile_has_partial_symbols): Handle lazily-read
psymtabs.
* mipsread.c (ecoff_sym_fns): Update.
* machoread.c (macho_sym_fns): Update.
* elfread.c (elf_symfile_read): Set up for lazy psymtab reading.
(read_psyms): New function.
(elf_sym_fns, elf_sym_fns_gdb_index): Update.
(elf_sym_fns_lazy_psyms): New global.
* dwarf2read.c (dwarf2_initialize_objfile): Don't call
dwarf2_build_psymtabs.
* dbxread.c (aout_sym_fns): Update.
* coffread.c (coff_sym_fns): Update.
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2010-08-31 Sami Wagiaalla <swagiaal@redhat.com>
* symfile.c (reread_symbols): Use psymbol_bcache_free, and
psymbol_bcache_init.
* psymtab.h (psymbol_bcache_init): New function prototype.
(psymbol_bcache_free): New function prototype.
(psymbol_bcache_get_bcache): New function prototype.
* psymtab.c (psymbol_bcache_init): New function.
(psymbol_bcache_free): New function.
(psymbol_bcache_full): New function.
(psymbol_bcache_get_bcache): New function.
(add_psymbol_to_bcache): use psymbol_bcache_full.
* objfiles.h (psymbol_cache): Change type of psymbol_cache to
psymbol_bcache.
* symmisc.c (print_symbol_bcache_statistics): Updated.
(print_objfile_statistics): Updated.
* objfiles.c (allocate_objfile): Use psymbol_bcache_init to initialize
psymbol_cache.
(free_objfile): Use psymbol_bcache_free.
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|
2010-08-25 Sami Wagiaalla <swagiaal@redhat.com>
* psymtab.c (add_psymbol_to_bcache): Remove 'static' from
'static partial_symbol psymbol'.
(psymbol_hash): New function.
(psymbol_compare): New function.
* bcache.c (hash_continue): New.
(hash): Use hash_continue.
* bcache.c: Add hash_function and compare_function
pointers to bcache struct.
(bcache_full): Use bcache->hash_function, and
bcache->compare_function.
(bcache_compare): New function.
(bcache_xmalloc): Take hash_function and
compare_function arguments and initialize the
bcach's pointers.
Updated comment.
* objfiles.c (allocate_objfile): Updated.
* symfile.c (reread_symbols): Updated.
* python/py-type.c (typy_richcompare): Updated.
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* breakpoint.c (save_cmdlist): No longer static.
* gdbcmd.h (save_cmdlist): Declare.
* symfile.c (symbol_file_add_with_addrs_or_offsets): Set
OBJF_READNOW on objfile if readnow_symbol_files.
* elfread.c (elf_symfile_read): Use dwarf2_initialize_objfile.
(elf_sym_fns_gdb_index): New global.
* dwarf2read.c: Include exceptions.h.
(offset_type): New.
(struct mapped_index): New.
(dwarf2_per_cu_data_ptr): New typedef.
(struct dwarf2_per_objfile) <using_index, index_table, gdb_index>:
New fields.
(GDB_INDEX_SECTION): New define.
(struct dwarf2_per_cu_quick_data): New.
(struct dwarf2_per_cu_data) <objfile>: New field.
<psymtab>: Removed.
<v>: New field.
(byte_swap): New function.
(MAYBE_SWAP): New macro.
(INDEX_SUFFIX): New macro.
(dw2_do_instantiate_symtab): New function.
(dw2_instantiate_symtab): Likewise.
(create_cus_from_index): Likewise.
(create_addrmap_from_index): Likewise.
(mapped_index_string_hash): Likewise.
(find_slot_in_mapped_hash): Likewise.
(dwarf2_read_index): Likewise.
(dw2_setup): Likewise.
(dw2_require_line_header): Likewise.
(dw2_require_full_path): Likewise.
(dw2_find_last_source_symtab): Likewise.
(dw2_forget_cached_source_info): Likewise.
(dw2_lookup_symtab): Likewise.
(dw2_lookup_symbol): Likewise.
(dw2_do_expand_symtabs_matching): Likewise.
(dw2_pre_expand_symtabs_matching): Likewise.
(dw2_print_stats): Likewise.
(dw2_dump): Likewise.
(dw2_relocate): Likewise.
(dw2_expand_symtabs_for_function): Likewise.
(dw2_expand_all_symtabs): Likewise.
(dw2_expand_symtabs_with_filename): Likewise.
(dw2_find_symbol_file): Likewise.
(dw2_map_ada_symtabs): Likewise.
(dw2_expand_symtabs_matching): Likewise.
(dw2_find_pc_sect_symtab): Likewise.
(dw2_map_symbol_names): Likewise.
(dw2_map_symbol_filenames): Likewise.
(dw2_has_symbols): Likewise.
(dwarf2_gdb_index_functions): New global.
(dwarf2_initialize_objfile): New function.
(process_psymtab_comp_unit): Update.
(add_partial_subprogram): Likewise.
(dwarf2_psymtab_to_symtab): Likewise.
(psymtab_to_symtab_1): Use dw2_do_instantiate_symtab.
(process_full_comp_unit): Update.
(find_file_and_directory): New function.
(read_file_scope): Use find_file_and_directory.
(dwarf2_per_cu_objfile): Update.
(dwarf2_per_cu_addr_size): Update.
(dwarf2_per_cu_offset_size): Update.
(dwarf2_free_objfile): Free the index, if needed.
(dwarf2_per_objfile_free): Unmap the index, if needed.
(struct strtab_entry): New.
(hash_strtab_entry): New function.
(eq_strtab_entry): Likewise.
(create_strtab): Likewise.
(add_string): Likewise.
(struct symtab_index_entry): New.
(struct mapped_symtab): New.
(hash_symtab_entry): New function.
(eq_symtab_entry): Likewise.
(delete_symtab_entry): Likewise.
(create_index_table): Likewise.
(create_mapped_symtab): Likewise.
(cleanup_mapped_symtab): Likewise.
(find_slot): Likewise.
(hash_expand): Likewise.
(add_index_entry): Likewise.
(add_indices_to_cpool): Likewise.
(write_hash_table): Likewise.
(add_address_entry): Likewise.
(write_psymbols): Likewise.
(write_obstack): Likewise.
(unlink_if_set): Likewise.
(write_psymtabs_to_index): Likewise.
(save_gdb_index_command): Likewise.
(_initialize_dwarf2_read): Install "save gdb-index"
command.
(create_all_comp_units): Initialize 'objfile' field of CU.
(dwarf2_locate_sections): Check for .gdb_index.
* psymtab.h (dwarf2_gdb_index_functions): Declare.
* symfile.h (dwarf2_initialize_objfile): Declare.
gdb/doc
* gdb.texinfo (Index Files): New node.
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* xcoffread.c: Include psymtab.h.
(xcoff_sym_fns): Update.
* symtab.h (struct partial_symbol): Remove.
(PSYMBOL_DOMAIN, PSYMBOL_CLASS): Remove.
(struct partial_symtab): Remove.
(PSYMTAB_TO_SYMTAB): Remove.
(lookup_partial_symbol, lookup_partial_symtab, find_pc_psymtab)
(find_pc_sect_psymtab): Remove.
(find_pc_sect_symtab_via_partial): Declare.
(find_pc_psymtab, find_pc_sect_psymbol, psymtab_to_symtab)
(find_main_psymtab): Remove.
(find_main_filename): Declare.
(fixup_psymbol_section): Remove.
(fixup_section): Declare.
* symtab.c: Include psymtab.h.
(lookup_symtab): Use lookup_symtab method.
(lookup_partial_symtab): Remove.
(find_pc_sect_psymtab_closer): Remove.
(find_pc_sect_psymtab): Remove.
(find_pc_sect_symtab_via_partial): New function.
(find_pc_psymtab, find_pc_sect_psymbol, find_pc_psymbol): Remove.
(fixup_section): No longer static.
(fixup_psymbol_section): Remove.
(lookup_symbol_aux): Use lookup_symbol_aux_quick.
(lookup_global_symbol_from_objfile): Likewise.
(lookup_symbol_aux_psymtabs): Remove.
(lookup_symbol_aux_quick): New function.
(lookup_symbol_global): Use lookup_symbol_aux_quick.
(lookup_partial_symbol): Remove.
(basic_lookup_transparent_type_quick): New function.
(basic_lookup_transparent_type): Use it.
(find_main_psymtab): Remove.
(find_main_filename): New function.
(find_pc_sect_symtab): Use find_pc_sect_symtab method.
(find_line_symtab): Use expand_symtabs_with_filename method.
(output_partial_symbol_filename): New function.
(sources_info): Use map_partial_symbol_filenames.
(struct search_symbols_data): New type.
(search_symbols_file_matches): New function.
(search_symbols_name_matches): Likewise.
(search_symbols): Use expand_symtabs_matching method.
(struct add_name_data): Rename from add_macro_name_data.
(add_macro_name): Update.
(add_partial_symbol_name): New function.
(default_make_symbol_completion_list): Use
map_partial_symbol_names.
(struct add_partial_symbol_name): New type.
(maybe_add_partial_symtab_filename): New function.
(make_source_files_completion_list): Use
map_partial_symbol_filenames.
(expand_line_sal): Use expand_symtabs_with_filename method.
* symmisc.c: Include psymtab.h.
(print_objfile_statistics): Use print_stats method.
(dump_objfile): Use dump method.
(dump_psymtab, maintenance_print_psymbols)
(maintenance_info_psymtabs, maintenance_check_symtabs)
(extend_psymbol_list): Remove.
* symfile.h (struct quick_symbol_functions): New struct.
(struct sym_fns) <qf>: New field.
(sort_pst_symbols): Remove.
(increment_reading_symtab): Declare.
* symfile.c: Include psymtab.h.
(compare_psymbols, sort_pst_symbols): Remove.
(psymtab_to_symtab): Remove.
(increment_reading_symtab): New function.
(symbol_file_add_with_addrs_or_offsets): Use expand_all_symtabs
method.
(set_initial_language): Use find_main_filename.
(allocate_psymtab, discard_psymtab, cashier_psymtab): Remove.
(free_named_symtabs): Remove unused code.
(start_psymtab_common, add_psymbol_to_bcache)
(append_psymbol_to_list, add_psymbol_to_list, init_psymbol_list):
Remove.
* stack.c: Include psymtab.h, symfile.h.
(backtrace_command_1): Use find_pc_sect_symtab_via_partial.
* source.h (psymtab_to_fullname): Don't declare.
* source.c: Include psymtab.h.
(select_source_symtab): Use find_last_source_symtab method.
(forget_cached_source_info): Use forget_cached_source_info
method.
(find_and_open_source): No longer static.
(psymtab_to_fullname): Remove.
* somread.c: Include psymtab.h.
(som_sym_fns): Update.
* psympriv.h: New file.
* psymtab.h: New file.
* psymtab.c: New file.
* objfiles.h: (ALL_OBJFILE_PSYMTABS): Remove.
(ALL_PSYMTABS, ALL_PSPACE_PSYMTABS): Likewise.
* objfiles.c: Include psymtab.h.
(objfile_relocate1): Use relocate method.
(objfile_has_partial_symbols): Use has_symbols method.
* mipsread.c: Include psymtab.h.
(ecoff_sym_fns): Update.
* mi/mi-cmd-file.c: Include psymtab.h.
(print_partial_file_name): New function.
(mi_cmd_file_list_exec_source_files): Use
map_partial_symbol_filenames.
* mdebugread.c: Include psympriv.h.
* machoread.c: Include psympriv.h.
(macho_sym_fns): Update.
* m2-exp.y (yylex): Use lookup_symtab.
* elfread.c: Include psympriv.h.
(elf_sym_fns): Update.
* dwarf2read.c: Include psympriv.h.
* dbxread.c: Include psympriv.h.
(aout_sym_fns): Update.
* cp-support.c: Include psymtab.h.
(read_in_psymtabs): Remove.
(make_symbol_overload_list_qualified): Use
expand_symtabs_for_function method.
* coffread.c: Include psympriv.h.
(coff_sym_fns): Update.
* blockframe.c: Include psymtab.h.
(find_pc_partial_function): Use find_pc_sect_symtab method.
* ada-lang.h (ada_update_initial_language): Update.
* ada-lang.c: Include psymtab.h.
(ada_update_initial_language): Remove 'main_pst' argument.
(ada_lookup_partial_symbol): Remove.
(struct ada_psym_data): New type.
(ada_add_psyms): New function.
(ada_add_non_local_symbols): Use map_ada_symtabs method.
(struct add_partial_datum): New type.
(ada_add_partial_symbol_completions): New function.
(ada_make_symbol_completion_list): Use map_partial_symbol_names.
(ada_exception_support_info_sniffer): Update.
* Makefile.in (SFILES): Add psymtab.c.
(COMMON_OBS): Add psymtab.o.
(HFILES_NO_SRCDIR): Add psymtab.h, psympriv.h.
gdb/doc
* gdbint.texinfo (Symbol Handling): Update.
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