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binutils-gdb/libctf/ChangeLog
Nick Alcock 9be90c6894 libctf: add CTF format specification 
It's been a long time since most of this was written: it's long past
time to put it in the binutils source tree.  It's believed correct and
complete insofar as it goes: it documents format v3 (the current
version) but not the libctf API or any earlier versions.  (The
earlier versions can be read by libctf but not generated by it, and you
are highly unlikely ever to see an example of any of them.)

libctf/ChangeLog
2021-11-08  Nick Alcock  <nick.alcock@oracle.com>

	* doc/ctf-spec.texi: New file.
	* configure.ac (MAKEINFO): Add.
	(BUILD_INFO): Likewise.
	(AC_CONFIG_FILES) [doc/Makefile]: Add.
	* Makefile.am [BUILD_INFO] (SUBDIRS): Add doc/.
	* doc/Makefile.am: New file.
	* doc/Makefile.in: Likewise.
	* configure: Regenerated.
	* Makefile.in: Likewise.
2021-11-08 18:31:38 +00:00

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2021-11-08 Nick Alcock <nick.alcock@oracle.com>
* doc/ctf-spec.texi: New file.
* configure.ac (MAKEINFO): Add.
(BUILD_INFO): Likewise.
(AC_CONFIG_FILES) [doc/Makefile]: Add.
* Makefile.am [BUILD_INFO] (SUBDIRS): Add doc/.
* doc/Makefile.am: New file.
* doc/Makefile.in: Likewise.
* configure: Regenerated.
* Makefile.in: Likewise.
2021-10-25 Nick Alcock <nick.alcock@oracle.com>
* ctf-types.c (ctf_type_rvisit): Handle nonrepresentable types.
2021-10-25 Nick Alcock <nick.alcock@oracle.com>
* ctf-dump.c (ctf_dump_type): Do not abort on error.
2021-09-27 Nick Alcock <nick.alcock@oracle.com>
* ctf-lookup.c (ctf_lookup_by_name_internal): Fix pptrtab bounds.
* testsuite/libctf-writable/pptrtab-writable-page-deep-lookup.*:
New test.
2021-09-27 Nick Alcock <nick.alcock@oracle.com>
* testsuite/libctf-lookup/enum-symbol.c: Remove unused label.
* testsuite/libctf-lookup/conflicting-type-syms.c: Remove unused
variables.
* testsuite/libctf-regression/pptrtab.c: Likewise.
* testsuite/libctf-regression/type-add-unnamed-struct.c: Likewise.
* testsuite/libctf-writable/pptrtab.c: Likewise.
* testsuite/libctf-writable/reserialize-strtab-corruption.c:
Likewise.
* testsuite/libctf-regression/nonstatic-var-section-ld-r.c: Fix
format string.
* testsuite/libctf-regression/nonstatic-var-section-ld.c:
Likewise.
* testsuite/libctf-regression/nonstatic-var-section-ld.lk: Adjust.
* testsuite/libctf-writable/symtypetab-nonlinker-writeout.c: Fix
initializer.
2021-09-27 Nick Alcock <nick.alcock@oracle.com>
* ctf-open.c (ctf_bufopen_internal): Don't complain about corrupt
function index symtypetab sections if this is an old-format
function symtypetab section (which should be ignored in any case).
Fix bad grammar.
2021-09-27 Nick Alcock <nick.alcock@oracle.com>
* configure: Regenerate.
* Makefile.in: Regenerate.
2021-09-27 Nick Alcock <nick.alcock@oracle.com>
PR libctf/27967
* configure.ac (VERSION_FLAGS): Replace with...
(ac_cv_libctf_version_script): ... this multiple test.
(VERSION_FLAGS_NOBFD): Substitute this too.
* Makefile.am (libctf_nobfd_la_LDFLAGS): Use it. Split out...
(libctf_ldflags_nover): ... non-versioning flags here.
(libctf_la_LDFLAGS): Use it.
* libctf.ver: Give every symbol not in libctf-nobfd a comment on
the same line noting as much.
2021-09-27 Nick Alcock <nick.alcock@oracle.com>
PR libctf/27360
* Makefile.am (libctf_la_LIBADD): Link against libiberty
before pulling in libbfd.la or pulling in libctf-nobfd.la.
* Makefile.in: Regenerate.
2021-07-03 Nick Clifton <nickc@redhat.com>
* 2.37 release branch created.
2021-05-09 Alan Modra <amodra@gmail.com>
* ctf-impl.h (ctf_dynset_eq_string): Don't declare.
* ctf-hash.c (ctf_dynset_eq_string): Delete function.
* ctf-dedup.c (make_set_element): Use htab_eq_string.
(ctf_dedup_atoms_init, ADD_CITER, ctf_dedup_init): Likewise.
(ctf_dedup_conflictify_unshared): Likewise.
(ctf_dedup_walk_output_mapping): Likewise.
2021-05-06 Nick Alcock <nick.alcock@oracle.com>
* testsuite/lib/ctf-lib.exp: Use -gctf, not -gt.
* testsuite/libctf-regression/nonstatic-var-section-ld-r.lk:
Hidden symbols now get into the symtypetab anyway.
2021-05-06 Nick Alcock <nick.alcock@oracle.com>
* ctf-open.c (init_types): Unknown types may have names.
* ctf-types.c (ctf_type_resolve): CTF_K_UNKNOWN is as
non-representable as type ID 0.
(ctf_type_aname): Print unknown types.
* ctf-dedup.c (ctf_dedup_hash_type): Do not early-exit for
CTF_K_UNKNOWN types: they have real hash values now.
(ctf_dedup_rwalk_one_output_mapping): Treat CTF_K_UNKNOWN types
like other types with no referents: call the callback and do not
skip them.
(ctf_dedup_emit_type): Emit via...
* ctf-create.c (ctf_add_unknown): ... this new function.
* libctf.ver (LIBCTF_1.2): Add it.
2021-03-25 Nick Alcock <nick.alcock@oracle.com>
* configure.ac: Check for dlsym, not dlopen.
* configure: Regenerate.
2021-03-25 Nick Alcock <nick.alcock@oracle.com>
* testsuite/libctf-writable/symtypetab-nonlinker-writeout.c: Don't
leak buf.
2021-03-25 Nick Alcock <nick.alcock@oracle.com>
PR libctf/27628
* ctf-lookup.c (isqualifier): Don't dereference out-of-bounds
qhash values.
2021-03-25 Nick Alcock <nick.alcock@oracle.com>
* ctf-open-bfd.c (ctf_bfdopen_ctfsect): Initialize debugging.
2021-03-25 Nick Alcock <nick.alcock@oracle.com>
PR libctf/27628
* ctf-serialize.c (ctf_emit_type_sect): Allow for a NULL vlen in
CTF_K_FUNCTION types.
2021-03-25 Nick Alcock <nick.alcock@oracle.com>
* ctf-dump.c (ctf_dump_format_type): Don't emit size or alignment
on error.
2021-03-21 Alan Modra <amodra@gmail.com>
* ctf-impl.h: Include string.h.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-types.c (ctf_type_encoding): Support, after a fashion, for enums.
* ctf-dump.c (ctf_dump_format_type): Do not report enums' degenerate
encoding.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-dedup.c (ctf_dedup_rhash_type): Report errors on the input
dict properly.
* ctf-open.c (ctf_bufopen_internal): Report errors initializing
the atoms table.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_next_t) <ctn_tp>: New.
<u.ctn_mp>: Remove.
<u.ctn_lmp>: Remove.
<u.ctn_vlen>: New.
* ctf-types.c (ctf_struct_member): New.
(ctf_member_next): Use it, dropping separate large/small code paths.
(ctf_type_align): Likewise.
(ctf_member_info): Likewise.
(ctf_type_rvisit): Likewise.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dtdef_t) <dtu_members>: Remove.
<dtd_u>: Likewise.
(ctf_dmdef_t): Remove.
(struct ctf_next) <u.ctn_dmd>: Remove.
* ctf-create.c (INITIAL_VLEN): New, more-or-less arbitrary initial
vlen size.
(ctf_add_enum): Use it.
(ctf_dtd_delete): Do not free the (removed) dmd; remove string
refs from the vlen on struct deletion.
(ctf_add_struct_sized): Populate the vlen: do it by hand if
promoting forwards. Always populate the full-size
lsizehi/lsizelo members.
(ctf_add_union_sized): Likewise.
(ctf_add_member_offset): Set up the vlen rather than the dmd.
Expand it as needed, repointing string refs via
ctf_str_move_pending. Add the member names as pending strings.
Always populate the full-size lsizehi/lsizelo members.
(membadd): Remove, folding back into...
(ctf_add_type_internal): ... here, adding via an ordinary
ctf_add_struct_sized and _next iteration rather than doing
everything by hand.
* ctf-serialize.c (ctf_copy_smembers): Remove this...
(ctf_copy_lmembers): ... and this...
(ctf_emit_type_sect): ... folding into here. Figure out if a
ctf_stype_t is needed here, not in ctf_add_*_sized.
(ctf_type_sect_size): Figure out the ctf_stype_t stuff the same
way here.
* ctf-types.c (ctf_member_next): Remove the dmd path and always
use the vlen. Force large-structure usage for dynamic types.
(ctf_type_align): Likewise.
(ctf_member_info): Likewise.
(ctf_type_rvisit): Likewise.
* testsuite/libctf-regression/type-add-unnamed-struct-ctf.c: Add a
self-referential type to this test.
* testsuite/libctf-regression/type-add-unnamed-struct.c: Adjusted
accordingly.
* testsuite/libctf-regression/type-add-unnamed-struct.lk: Likewise.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dtdef_t) <dtd_vlen_alloc>: New.
(ctf_str_move_pending): Declare.
* ctf-string.c (ctf_str_add_ref_internal): Fix error return.
(ctf_str_move_pending): New.
* ctf-create.c (ctf_grow_vlen): New.
(ctf_dtd_delete): Zero out the vlen_alloc after free. Free the
vlen later: iterate over it and free enum name refs first.
(ctf_add_generic): Populate dtd_vlen_alloc from vlen.
(ctf_add_enum): populate the vlen; do it by hand if promoting
forwards.
(ctf_add_enumerator): Set up the vlen rather than the dmd. Expand
it as needed, repointing string refs via ctf_str_move_pending. Add
the enumerand names as pending strings.
* ctf-serialize.c (ctf_copy_emembers): Remove.
(ctf_emit_type_sect): Copy the vlen into place and ref the
strings.
* ctf-types.c (ctf_enum_next): The dynamic portion now uses
the same code as the non-dynamic.
(ctf_enum_name): Likewise.
(ctf_enum_value): Likewise.
* testsuite/libctf-lookup/enum-many-ctf.c: New test.
* testsuite/libctf-lookup/enum-many.lk: New test.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-hash.c (ctf_dynset_elements): New.
* ctf-impl.h (ctf_dynset_elements): Declare it.
(ctf_str_add_pending): Likewise.
(ctf_dict_t) <ctf_str_pending_ref>: New, set of refs that must be
added during serialization.
* ctf-string.c (ctf_str_create_atoms): Initialize it.
(CTF_STR_ADD_REF): New flag.
(CTF_STR_MAKE_PROVISIONAL): Likewise.
(CTF_STR_PENDING_REF): Likewise.
(ctf_str_add_ref_internal): Take a flags word rather than int
params. Populate, and clear out, ctf_str_pending_ref.
(ctf_str_add): Adjust accordingly.
(ctf_str_add_external): Likewise.
(ctf_str_add_pending): New.
(ctf_str_remove_ref): Also remove the potential ref if it is a
pending ref.
* ctf-serialize.c (ctf_serialize): Prohibit addition of strings
with ctf_str_add_ref before serialization. Ensure that the
ctf_str_pending_ref set is empty before strtab finalization.
(ctf_emit_type_sect): Add a ref to the ctt_name.
* ctf-create.c (ctf_add_generic): Add the ctt_name as a pending
ref.
* testsuite/libctf-writable/reserialize-strtab-corruption.*: New test.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-serialize.c (ctf_serialize): Preserve ctf_typemax across
serialization.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dtdef_t) <dtd_u.dtu_argv>: Remove.
* ctf-create.c (ctf_dtd_delete): No longer free it.
(ctf_add_function): Use the dtd_vlen, not dtu_argv. Properly align.
* ctf-serialize.c (ctf_emit_type_sect): Just copy the dtd_vlen.
* ctf-types.c (ctf_func_type_info): Just use the vlen.
(ctf_func_type_args): Likewise.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dtdef_t) <dtd_u.dtu_arr>: Remove.
* ctf-create.c (ctf_add_array): Use the dtd_vlen, not dtu_arr.
(ctf_set_array): Likewise.
* ctf-serialize.c (ctf_emit_type_sect): Just copy the dtd_vlen.
* ctf-types.c (ctf_array_info): Just use the vlen.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dtdef_t) <dtd_u.dtu_enc>: Remove.
<dtd_u.dtu_slice>: Likewise.
<dtd_vlen>: New.
* ctf-create.c (ctf_add_generic): Perhaps allocate it. All
callers adjusted.
(ctf_dtd_delete): Free it.
(ctf_add_slice): Use the dtd_vlen, not dtu_enc.
(ctf_add_encoded): Likewise. Assert that this must be an int or
float.
* ctf-serialize.c (ctf_emit_type_sect): Just copy the dtd_vlen.
* ctf-dedup.c (ctf_dedup_rhash_type): Use the dtd_vlen, not
dtu_slice.
* ctf-types.c (ctf_type_reference): Likewise.
(ctf_type_encoding): Remove most dynamic-type-specific code: just
get the vlen from the right place. Report failure to look up the
underlying type's encoding.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-archive.c (ctf_archive_next): GNU style fix for do {} while.
* ctf-dedup.c (ctf_dedup_rhash_type): Likewise.
(ctf_dedup_rwalk_one_output_mapping): Likewise.
* ctf-dump.c (ctf_dump_format_type): Likewise.
* ctf-lookup.c (ctf_symbol_next): Likewise.
* swap.h (swap_thing): Likewise.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-serialize.c: General reshuffling, and...
(emit_symtypetab_state_t): New, migrated from
local variables in ctf_serialize.
(ctf_serialize): Split out most section sizing and
emission.
(ctf_symtypetab_sect_sizes): New (split out).
(ctf_emit_symtypetab_sects): Likewise.
(ctf_type_sect_size): Likewise.
(ctf_emit_type_sect): Likewise.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dict_t): Fix comment.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-create.c (symtypetab_delete_nonstatic_vars): Move
into ctf-serialize.c.
(ctf_symtab_skippable): Likewise.
(CTF_SYMTYPETAB_EMIT_FUNCTION): Likewise.
(CTF_SYMTYPETAB_EMIT_PAD): Likewise.
(CTF_SYMTYPETAB_FORCE_INDEXED): Likewise.
(symtypetab_density): Likewise.
(emit_symtypetab): Likewise.
(emit_symtypetab_index): Likewise.
(ctf_copy_smembers): Likewise.
(ctf_copy_lmembers): Likewise.
(ctf_copy_emembers): Likewise.
(ctf_sort_var): Likewise.
(ctf_serialize): Likewise.
(ctf_gzwrite): Likewise.
(ctf_compress_write): Likewise.
(ctf_write_mem): Likewise.
(ctf_write): Likewise.
* ctf-serialize.c: New file.
* Makefile.am (libctf_nobfd_la_SOURCES): Add it.
* Makefile.in: Regenerate.
2021-03-18 Nick Alcock <nick.alcock@oracle.com>
* ctf-link.c (ctf_link_lazy_open): Move up in the file, to near
ctf_link_add_ctf.
* ctf-lookup.c (ctf_lookup_symbol_idx): Repair tabdamage.
(ctf_lookup_by_sym_or_name): Likewise.
* testsuite/libctf-lookup/struct-iteration.c: Likewise.
* testsuite/libctf-regression/type-add-unnamed-struct.c: Likewise.
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-create.c (symtypetab_density): Report the symbol name as
well as index in the name != object error; note the likely
consequences.
* ctf-link.c (ctf_link_shuffle_syms): Report the symbol index
as well as name.
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-link.c (ctf_link_shuffle_syms): Free ctf_dynsyms properly.
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-dump.c (ctf_dump_format_type): Fix signed/unsigned confusion.
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-dedup.c (ctf_dedup): Pass on errors from ctf_dedup_hash_type.
Call ctf_dedup_fini properly on other errors.
(ctf_dedup_emit_type): Set the errno on dynhash insertion failure.
* ctf-link.c (ctf_link_deduplicating_per_cu): Close outputs beyond
output 0 when asserting because >1 output is found.
(ctf_link_deduplicating): Likewise, when asserting because the
shared output is not the same as the passed-in fp.
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dict_t) <ctf_link_type_mapping>: No longer used
by the nondeduplicating linker.
(ctf_add_type_mapping): Removed, now static.
(ctf_type_mapping): Likewise.
(ctf_dedup_type_mapping): New.
(ctf_dedup_t) <cd_input_nums>: New.
* ctf-dedup.c (ctf_dedup_init): Populate it.
(ctf_dedup_fini): Free it again. Emphasise that this has to be
the last thing called.
(ctf_dedup): Populate it.
(ctf_dedup_populate_type_mapping): Removed.
(ctf_dedup_populate_type_mappings): Likewise.
(ctf_dedup_emit): No longer call it. No longer call
ctf_dedup_fini either.
(ctf_dedup_type_mapping): New.
* ctf-link.c (ctf_unnamed_cuname): New.
(ctf_create_per_cu): Arguments must be non-null now.
(ctf_in_member_cb_arg): Removed.
(ctf_link): No longer populate it. No longer discard the
mapping table.
(ctf_link_deduplicating_one_symtypetab): Use
ctf_dedup_type_mapping, not ctf_type_mapping. Use
ctf_unnamed_cuname.
(ctf_link_one_variable): Likewise. Pass in args individually: no
longer a ctf_variable_iter callback.
(empty_link_type_mapping): Removed.
(ctf_link_deduplicating_variables): Use ctf_variable_next, not
ctf_variable_iter. No longer pack arguments to
ctf_link_one_variable into a struct.
(ctf_link_deduplicating_per_cu): Call ctf_dedup_fini once
all link phases are done.
(ctf_link_deduplicating): Likewise.
(ctf_link_intern_extern_string): Improve comment.
(ctf_add_type_mapping): Migrate...
(ctf_type_mapping): ... these functions...
* ctf-create.c (ctf_add_type_mapping): ... here...
(ctf_type_mapping): ... and make static, for the sole use of
ctf_add_type.
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-link.c (ctf_link_one_variable): Remove reference to
"unconflicted link mode".
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-link.c (ctf_create_per_cu): Drop FILENAME now that it is
always identical to CUNAME.
(ctf_link_deduplicating_one_symtypetab): Adjust.
(ctf_link_one_type): Remove.
(ctf_link_one_input_archive_member): Likewise.
(ctf_link_close_one_input_archive): Likewise.
(ctf_link_one_input_archive): Likewise.
(ctf_link): No longer call it. Drop CTF_LINK_NONDEDUP path.
Improve header comment a bit (dicts, not files). Adjust
ctf_create_per_cu call.
(ctf_link_deduplicating_variables): Simplify.
(ctf_link_in_member_cb_arg_t) <cu_name>: Remove.
<in_input_cu_file>: Likewise.
<in_fp_parent>: Likewise.
<done_parent>: Likewise.
(ctf_link_one_variable): Turn uses of in_file_name to in_cuname.
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-types.c (ctf_member_iter): Move 'rc' to an inner scope.
(ctf_enum_iter): Reimplement in terms of ctf_enum_next.
(ctf_type_iter): Reimplement in terms of ctf_type_next.
(ctf_type_iter_all): Likewise.
(ctf_variable_iter): Reimplement in terms of ctf_variable_next.
* ctf-archive.c (ctf_archive_iter_internal): Remove.
(ctf_archive_iter): Reimplement in terms of ctf_archive_next.
2021-03-02 Nick Alcock <nick.alcock@oracle.com>
* ctf-archive.c (ctf_archive_next): Set the name of parents in
single-member archives.
2021-02-26 Alan Modra <amodra@gmail.com>
* Makefile.in: Regenerate.
2021-02-21 Alan Modra <amodra@gmail.com>
* configure.ac: Invoke AC_CANONICAL_TARGET, AC_CANONICAL_HOST
and AC_CANONICAL_BUILD.
* configure: Regenerate.
* Makefile.in: Regenerate.
2021-02-20 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dict_t) <ctf_symhash>: New.
<ctf_symhash_latest>: Likewise.
(struct ctf_archive_internal) <ctfi_crossdict_cache>: New.
<ctfi_symnamedicts>: New.
<ctfi_syms>: Remove.
(ctf_lookup_symbol_name): Remove.
* ctf-lookup.c (ctf_lookup_symbol_name): Propagate errors from
parent properly. Make static.
(ctf_lookup_symbol_idx): New, linear search for the symbol name,
cached in the crossdict cache's ctf_symhash (if available), or
this dict's (otherwise).
(ctf_try_lookup_indexed): Allow the symname to be passed in.
(ctf_lookup_by_symbol): Turn into a wrapper around...
(ctf_lookup_by_sym_or_name): ... this, supporting name lookup too,
using ctf_lookup_symbol_idx in non-writable dicts. Special-case
name lookup in dynamic dicts without reported symbols, which have
no symtab or dynsymidx but where name lookup should still work.
(ctf_lookup_by_symbol_name): New, another wrapper.
* ctf-archive.c (enosym): Note that this is present in
ctfi_symnamedicts too.
(ctf_arc_close): Adjust for removal of ctfi_syms. Free the
ctfi_symnamedicts.
(ctf_arc_flush_caches): Likewise.
(ctf_dict_open_cached): Memoize the first cached dict in the
crossdict cache.
(ctf_arc_lookup_symbol): Turn into a wrapper around...
(ctf_arc_lookup_sym_or_name): ... this. No longer cache
ctf_id_t lookups: just call ctf_lookup_by_symbol as needed (but
still cache the dicts those lookups succeed in). Add
lookup-by-name support, with dicts of successful lookups cached in
ctfi_symnamedicts. Refactor the caching code a bit.
(ctf_arc_lookup_symbol_name): New, another wrapper.
* ctf-open.c (ctf_dict_close): Free the ctf_symhash.
* libctf.ver (LIBCTF_1.2): New version. Add
ctf_lookup_by_symbol_name, ctf_arc_lookup_symbol_name.
* testsuite/libctf-lookup/enum-symbol.c (main): Use
ctf_arc_lookup_symbol rather than looking up the name ourselves.
Fish it out repeatedly, to make sure that symbol caching isn't
broken.
(symidx_64): Remove.
(symidx_32): Remove.
* testsuite/libctf-lookup/enum-symbol-obj.lk: Test symbol lookup
in an unlinked object file (indexed symtypetab sections only).
* testsuite/libctf-writable/symtypetab-nonlinker-writeout.c
(try_maybe_reporting): Check symbol types via
ctf_lookup_by_symbol_name as well as ctf_symbol_next.
* testsuite/libctf-lookup/conflicting-type-syms.*: New test of
lookups in a multi-dict archive.
2021-02-20 Alan Modra <amodra@gmail.com>
* testsuite/config/default.exp (ld_L_opt): Define.
* testsuite/lib/ctf-lib.exp (load_common_lib): Delete. Instead load
ld-lib.exp.
(run_host_cmd, run_host_cmd_yesno, check_compiler_available): Delete.
(compile_one_cc, check_ctf_available): Delete.
2021-02-03 Nick Alcock <nick.alcock@oracle.com>
* configure.ac (ac_cv_libctf_bfd_elf): Include string.h.
* configure: Regenerated.
2021-02-03 Nick Alcock <nick.alcock@oracle.com>
* configure.ac (EXPECT): Check for, in order to define...
(TCL_TRY): ... this, if Tcl supports try/catch.
* Makefile.am (TCL_TRY): Run the testsuite only if set.
* configure: Regenerated.
* Makefile.in: Likewise.
2021-02-02 Nick Alcock <nick.alcock@oracle.com>
* configure.ac (CTF_LIBADD): Remove explicit -lintl population in
favour of LIBINTL.
* Makefile.am (libctf_nobfd_la_LIBADD): No longer explicitly
include $(LIBINTL).
(check-DEJAGNU): Pass down to tests as well.
* configure: Regenerated.
* Makefile.in: Likewise.
2021-01-27 Nick Alcock <nick.alcock@oracle.com>
* ctf-string.c (ctf_str_add): Treat adding a NULL as adding "".
(ctf_str_add_ref): Likewise.
(ctf_str_add_external): Likewise.
* ctf-types.c (ctf_type_name_raw): Always return "" for offset 0.
* ctf-dedup.c (ctf_dedup_multiple_input_dicts): Don't armour
against NULL name.
(ctf_dedup_maybe_synthesize_forward): Likewise.
2021-01-27 Nick Alcock <nick.alcock@oracle.com>
* ctf-create.c (ctf_serialize): Fix shadowing.
2021-01-27 Nick Alcock <nick.alcock@oracle.com>
* ctf-create.c (ctf_add_encoded): Add check for non-empty name.
(ctf_add_forward): Likewise.
(ctf_add_typedef): Likewise.
2021-01-27 Nick Alcock <nick.alcock@oracle.com>
* ctf-open.c (init_types): Rip out code to check anonymous typedef
nodes.
* ctf-create.c (ctf_add_reftype): Likewise.
* ctf-lookup.c (refresh_pptrtab): Likewise.
2021-01-27 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.c (_libctf_nonnull_): Add parameters.
(LCTF_LINKING): New flag.
(ctf_dict_t) <ctf_link_flags>: Mention it.
* ctf-link.c (ctf_link): Keep LCTF_LINKING set across call.
(ctf_write): Likewise, including in child dictionaries.
(ctf_link_shuffle_syms): Make sure ctf_dynsyms is NULL if there
are no reported symbols.
* ctf-create.c (symtypetab_delete_nonstatic_vars): Make sure
the variable has been reported as a symbol by the linker.
(symtypetab_skippable): Mention relationship between SYMFP and the
flags.
(symtypetab_density): Adjust nonnullity. Exit early if no symbols
were reported and force-indexing is off (i.e., we are doing a
final link).
(ctf_serialize): Handle the !LCTF_LINKING case by writing out an
indexed, sorted symtypetab (and allow SYMFP to be NULL in this
case). Turn sorting off if this is a non-final link. Only delete
nonstatic vars if we are filtering symbols and the linker has
reported some.
* testsuite/libctf-regression/nonstatic-var-section-ld-r*:
New test of variable and symtypetab section population when
ld -r is used.
* testsuite/libctf-regression/nonstatic-var-section-ld-executable.lk:
Likewise, when ld of an executable is used.
* testsuite/libctf-regression/nonstatic-var-section-ld.lk:
Likewise, when ld -shared alone is used.
* testsuite/libctf-regression/nonstatic-var-section-ld*.c:
Lookup programs for the above.
* testsuite/libctf-writable/symtypetab-nonlinker-writeout.*: New
test, testing survival of symbols across ctf_write paths.
* testsuite/lib/ctf-lib.exp (run_lookup_test): New option,
nonshared, suppressing linking of the SOURCE with -shared.
2021-01-19 Nick Alcock <nick.alcock@oracle.com>
* ctf-create.c (membadd): Transform ""-named members into
NULL-named ones.
* testsuite/libctf-regression/type-add-unnamed-struct*: New test.
2021-01-19 Nick Alcock <nick.alcock@oracle.com>
* ctf-lookup.c (ctf_lookup_by_name_internal): Do not return the
base type if looking up a nonexistent pointer type.
* testsuite/libctf-regression/pptrtab*: Test it.
2021-01-13 Alan Modra <amodra@gmail.com>
* Makefile.in: Regenerate.
2021-01-12 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/26792
* configure.ac: Use GNU_MAKE_JOBSERVER.
* aclocal.m4: Regenerated.
* configure: Likewise.
2021-01-11 H.J. Lu <hongjiu.lu@intel.com>
PR ld/27173
* configure: Regenerated.
2021-01-09 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.
2021-01-09 Nick Clifton <nickc@redhat.com>
* 2.36 release branch crated.
2021-01-09 Alan Modra <amodra@gmail.com>
* configure: Regenerate.
2021-01-07 Samuel Thibault <samuel.thibault@gnu.org>
* configure: Regenerate.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* testsuite/libctf-lookup/struct-iteration.c (main):
ctf_member_count returns an int.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* Makefile.am (BASEDIR): New.
(BFDDIR): Likewise.
(check-DEJAGNU): Add development.exp to prerequisites.
(development.exp): New.
(CONFIG_STATUS_DEPENDENCIES): New.
(EXTRA_DEJAGNU_SITE_CONFIG): Likewise.
(DISTCLEANFILES): Likewise.
* Makefile.in: Regenerated.
* testsuite/lib/ctf-lib.exp (check_ctf_available): Return boolean.
* testsuite/libctf-lookup/lookup.exp: Call check_ctf_available.
* testsuite/libctf-regression/regression.exp: Likewise.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-types.c (ctf_type_aname): Print forwards to unions and enums
properly.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (ctf_dict_t) <ctf_pptrtab>: New.
<ctf_pptrtab_len>: New.
<ctf_pptrtab_typemax>: New.
* ctf-create.c (ctf_serialize): Update accordingly.
(ctf_add_reftype): Note that we don't need to update pptrtab here,
despite updating ptrtab.
* ctf-open.c (ctf_dict_close): Destroy the pptrtab.
(ctf_import): Likewise.
(ctf_import_unref): Likewise.
* ctf-lookup.c (grow_pptrtab): New.
(refresh_pptrtab): New, update a pptrtab.
(ctf_lookup_by_name): Turn into a wrapper around (and rename to)...
(ctf_lookup_by_name_internal): ... this: construct the pptrtab, and
use it in addition to the parent's ptrtab when parent dicts are
searched.
* testsuite/libctf-regression/regression.exp: New testsuite for
regression tests.
* testsuite/libctf-regression/pptrtab*: New test.
* testsuite/libctf-writable/writable.exp: New testsuite for tests of
writable CTF dicts.
* testsuite/libctf-writable/pptrtab*: New test.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-archive.c (ctf_archive_iter): Remove outdated comment.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-impl.h (struct ctf_next) <u.ctn_next>: Move to...
<ctn_next>: ... here.
* ctf-util.c (ctf_next_destroy): Unconditionally destroy it.
* ctf-lookup.c (ctf_symbol_next): Adjust accordingly.
* ctf-types.c (ctf_member_iter): Reimplement in terms of...
(ctf_member_next): ... this. Support recursive unnamed member
iteration (off by default).
(ctf_member_info): Look up members in unnamed sub-structs.
* ctf-dedup.c (ctf_dedup_rhash_type): Adjust ctf_member_next call.
(ctf_dedup_emit_struct_members): Likewise.
* testsuite/libctf-lookup/struct-iteration-ctf.c: Test empty unnamed
members, and a normal member after the end.
* testsuite/libctf-lookup/struct-iteration.c: Verify that
ctf_member_count is consistent with the number of successful returns
from a non-recursive ctf_member_next.
* testsuite/libctf-lookup/struct-iteration-*: New, test iteration
over struct members.
* testsuite/libctf-lookup/struct-lookup.c: New test.
* testsuite/libctf-lookup/struct-lookup.lk: New test.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-link.c (ctf_link_warn_outdated_inputs): New.
(ctf_link_write): Call it.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* testsuite/libctf-lookup/enum-symbol.lk: New symbol-lookup test.
* testsuite/libctf-lookup/enum-symbol-ctf.c: New CTF input.
* testsuite/libctf-lookup/enum-symbol.c: New lookup test.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* Makefile.am (EXPECT): New.
(RUNTEST): Likewise.
(RUNTESTFLAGS): Likewise.
(CC_FOR_TARGET): Likewise.
(check-DEJAGNU): Likewise.
(AUTOMAKE_OPTIONS): Add dejagnu.
* Makefile.in: Regenerated.
* testsuite/config/default.exp: New.
* testsuite/lib/ctf-lib.exp: Likewise.
* testsuite/libctf-lookup/enum.lk: New test.
* testsuite/libctf-lookup/enum-ctf.c: New CTF input.
* testsuite/libctf-lookup/enum.c: New lookup test.
* testsuite/libctf-lookup/ambiguous-struct*.c: New test.
* testsuite/libctf-lookup/lookup.exp: New.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* configure.ac (BFD_LIBADD): Remove.
(BFD_DEPENDENCIES): Likewise. Remove associated cases.
(SHARED_LIBADD): Rename to...
(CTF_LIBADD): ... this. Stick in a suitable libiberty even when
linking statically.
* Makefile.am (libctf_nobfd_la_LIBADD): Adjust accordingly.
libctf uses libintl.
(libctf_la_LIBADD): Reference libbfd.la directly, not via
BFD_LIBADD.
(libctf_la_DEPENDENCIES): Remove.
* Makefile.in: Regenerate.
* configure: Likewise.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-decl.c (ctf_decl_push): Exclude slices from the decl stack.
* ctf-types.c (ctf_type_aname): No longer deal with slices here.
* ctf-dump.c (ctf_dump_membstate_t) <cdm_toplevel_indent>: Constify.
(CTF_FT_REFS): New.
(CTF_FT_BITFIELD): Likewise.
(CTF_FT_ID): Likewise.
(ctf_dump_member): Do not do indentation here. Migrate the
type-printing parts of this into...
(ctf_dump_format_type): ... here, to be shared by all type printers.
Get the errno value for non-representable types right. Do not print
bitfield info for non-bitfields. Improve the format and indentation
of other type output. Shuffle spacing around to make all indentation
either 'width of column' or 4 chars.
(ctf_dump_label): Pass CTF_FT_REFS to ctf_dump_format_type.
(ctf_dump_objts): Likewise. Spacing shuffle.
(ctf_dump_var): Likewise.
(type_hex_digits): Migrate down in the file, to above its new user.
(ctf_dump_type): Indent here instead. Pass CTF_FT_REFS to
ctf_dump_format_type. Don't trim off excess linefeeds now we no
longer generate them. Dump enumerated types.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-types.c (ctf_type_resolve): Improve comment.
(ctf_type_size): Yield ECTF_INCOMPLETE when applied to forwards.
Emit errors into the right dict.
(ctf_type_align): Likewise.
* ctf-create.c (ctf_add_member_offset): Yield ECTF_INCOMPLETE
when adding a member without explicit offset when this member, or
the previous member, is incomplete.
* ctf-dump.c (ctf_dump_format_type): Do not try to print the size of
forwards.
(ctf_dump_member): Do not try to print their alignment.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-dump.c (ctf_dump_objts): Dump by calling ctf_dump_format_type.
(ctf_dump_format_type): Don't emit the size for function objects.
Dump the element type of arrays like we dump the pointed-to type of
pointers, etc.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-dump.c (ctf_dump_format_type): Add 0x to hex type IDs.
(ctf_dump_header): Add 0x to the hex magic number.
(ctf_dump_str): Add 0x to the hex string offsets.
(ctf_dump_membstate_t) <cdm_toplevel_indent>: New.
(ctf_dump_type): Adjust. Free it when we're done.
(type_hex_digits): New.
(ctf_dump_member): Align output depending on the width of the type
ID being generated. Use printf padding, not a loop, to generate
indentation.
2021-01-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-decl.c (ctf_decl_push): Don't print array decls backwards.
2021-01-04 Nicolas Boulenguez <nicolas@debian.org>
PR 27117
* configure.ac: Make AC_CONFIG_MACRO_DIR consistent with
ACLOCAL_AMFLAGS -I dirs.
* configure: Regenerate.
2021-01-01 Alan Modra <amodra@gmail.com>
Update year range in copyright notice of all files.
For older changes see ChangeLog-2020
Copyright (C) 2021 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
Local Variables:
mode: change-log
left-margin: 8
fill-column: 74
version-control: never
End:
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