libctf/ChangeLog

   1 2021-05-09  Alan Modra  <amodra@gmail.com>
   2
   3         * ctf-impl.h (ctf_dynset_eq_string): Don't declare.
   4         * ctf-hash.c (ctf_dynset_eq_string): Delete function.
   5         * ctf-dedup.c (make_set_element): Use htab_eq_string.
   6         (ctf_dedup_atoms_init, ADD_CITER, ctf_dedup_init): Likewise.
   7         (ctf_dedup_conflictify_unshared): Likewise.
   8         (ctf_dedup_walk_output_mapping): Likewise.
   9
  10 2021-05-06  Nick Alcock  <nick.alcock@oracle.com>
  11
  12         * testsuite/lib/ctf-lib.exp: Use -gctf, not -gt.
  13         * testsuite/libctf-regression/nonstatic-var-section-ld-r.lk:
  14         Hidden symbols now get into the symtypetab anyway.
  15
  16 2021-05-06  Nick Alcock  <nick.alcock@oracle.com>
  17
  18         * ctf-open.c (init_types): Unknown types may have names.
  19         * ctf-types.c (ctf_type_resolve): CTF_K_UNKNOWN is as
  20         non-representable as type ID 0.
  21         (ctf_type_aname): Print unknown types.
  22         * ctf-dedup.c (ctf_dedup_hash_type): Do not early-exit for
  23         CTF_K_UNKNOWN types: they have real hash values now.
  24         (ctf_dedup_rwalk_one_output_mapping): Treat CTF_K_UNKNOWN types
  25         like other types with no referents: call the callback and do not
  26         skip them.
  27         (ctf_dedup_emit_type): Emit via...
  28         * ctf-create.c (ctf_add_unknown): ... this new function.
  29         * libctf.ver (LIBCTF_1.2): Add it.
  30
  31 2021-03-25  Nick Alcock  <nick.alcock@oracle.com>
  32
  33         * configure.ac: Check for dlsym, not dlopen.
  34         * configure: Regenerate.
  35
  36 2021-03-25  Nick Alcock  <nick.alcock@oracle.com>
  37
  38         * testsuite/libctf-writable/symtypetab-nonlinker-writeout.c: Don't
  39         leak buf.
  40
  41 2021-03-25  Nick Alcock  <nick.alcock@oracle.com>
  42
  43         PR libctf/27628
  44         * ctf-lookup.c (isqualifier): Don't dereference out-of-bounds
  45         qhash values.
  46
  47 2021-03-25  Nick Alcock  <nick.alcock@oracle.com>
  48
  49         * ctf-open-bfd.c (ctf_bfdopen_ctfsect): Initialize debugging.
  50
  51 2021-03-25  Nick Alcock  <nick.alcock@oracle.com>
  52
  53         PR libctf/27628
  54         * ctf-serialize.c (ctf_emit_type_sect): Allow for a NULL vlen in
  55         CTF_K_FUNCTION types.
  56
  57 2021-03-25  Nick Alcock  <nick.alcock@oracle.com>
  58
  59         * ctf-dump.c (ctf_dump_format_type): Don't emit size or alignment
  60         on error.
  61
  62 2021-03-21  Alan Modra  <amodra@gmail.com>
  63
  64         * ctf-impl.h: Include string.h.
  65
  66 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
  67
  68         * ctf-types.c (ctf_type_encoding): Support, after a fashion, for enums.
  69         * ctf-dump.c (ctf_dump_format_type): Do not report enums' degenerate
  70         encoding.
  71
  72 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
  73
  74         * ctf-dedup.c (ctf_dedup_rhash_type): Report errors on the input
  75         dict properly.
  76         * ctf-open.c (ctf_bufopen_internal): Report errors initializing
  77         the atoms table.
  78
  79 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
  80
  81         * ctf-impl.h (ctf_next_t) <ctn_tp>: New.
  82         <u.ctn_mp>: Remove.
  83         <u.ctn_lmp>: Remove.
  84         <u.ctn_vlen>: New.
  85         * ctf-types.c (ctf_struct_member): New.
  86         (ctf_member_next): Use it, dropping separate large/small code paths.
  87         (ctf_type_align): Likewise.
  88         (ctf_member_info): Likewise.
  89         (ctf_type_rvisit): Likewise.
  90
  91 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
  92
  93         * ctf-impl.h (ctf_dtdef_t) <dtu_members>: Remove.
  94         <dtd_u>: Likewise.
  95         (ctf_dmdef_t): Remove.
  96         (struct ctf_next) <u.ctn_dmd>: Remove.
  97         * ctf-create.c (INITIAL_VLEN): New, more-or-less arbitrary initial
  98         vlen size.
  99         (ctf_add_enum): Use it.
 100         (ctf_dtd_delete): Do not free the (removed) dmd; remove string
 101         refs from the vlen on struct deletion.
 102         (ctf_add_struct_sized): Populate the vlen: do it by hand if
 103         promoting forwards.  Always populate the full-size
 104         lsizehi/lsizelo members.
 105         (ctf_add_union_sized): Likewise.
 106         (ctf_add_member_offset): Set up the vlen rather than the dmd.
 107         Expand it as needed, repointing string refs via
 108         ctf_str_move_pending. Add the member names as pending strings.
 109         Always populate the full-size lsizehi/lsizelo members.
 110         (membadd): Remove, folding back into...
 111         (ctf_add_type_internal): ... here, adding via an ordinary
 112         ctf_add_struct_sized and _next iteration rather than doing
 113         everything by hand.
 114         * ctf-serialize.c (ctf_copy_smembers): Remove this...
 115         (ctf_copy_lmembers): ... and this...
 116         (ctf_emit_type_sect): ... folding into here. Figure out if a
 117         ctf_stype_t is needed here, not in ctf_add_*_sized.
 118         (ctf_type_sect_size): Figure out the ctf_stype_t stuff the same
 119         way here.
 120         * ctf-types.c (ctf_member_next): Remove the dmd path and always
 121         use the vlen.  Force large-structure usage for dynamic types.
 122         (ctf_type_align): Likewise.
 123         (ctf_member_info): Likewise.
 124         (ctf_type_rvisit): Likewise.
 125         * testsuite/libctf-regression/type-add-unnamed-struct-ctf.c: Add a
 126         self-referential type to this test.
 127         * testsuite/libctf-regression/type-add-unnamed-struct.c: Adjusted
 128         accordingly.
 129         * testsuite/libctf-regression/type-add-unnamed-struct.lk: Likewise.
 130
 131 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 132
 133         * ctf-impl.h (ctf_dtdef_t) <dtd_vlen_alloc>: New.
 134         (ctf_str_move_pending): Declare.
 135         * ctf-string.c (ctf_str_add_ref_internal): Fix error return.
 136         (ctf_str_move_pending): New.
 137         * ctf-create.c (ctf_grow_vlen): New.
 138         (ctf_dtd_delete): Zero out the vlen_alloc after free.  Free the
 139         vlen later: iterate over it and free enum name refs first.
 140         (ctf_add_generic): Populate dtd_vlen_alloc from vlen.
 141         (ctf_add_enum): populate the vlen; do it by hand if promoting
 142         forwards.
 143         (ctf_add_enumerator): Set up the vlen rather than the dmd.  Expand
 144         it as needed, repointing string refs via ctf_str_move_pending. Add
 145         the enumerand names as pending strings.
 146         * ctf-serialize.c (ctf_copy_emembers): Remove.
 147         (ctf_emit_type_sect): Copy the vlen into place and ref the
 148         strings.
 149         * ctf-types.c (ctf_enum_next): The dynamic portion now uses
 150         the same code as the non-dynamic.
 151         (ctf_enum_name): Likewise.
 152         (ctf_enum_value): Likewise.
 153         * testsuite/libctf-lookup/enum-many-ctf.c: New test.
 154         * testsuite/libctf-lookup/enum-many.lk: New test.
 155
 156 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 157
 158         * ctf-hash.c (ctf_dynset_elements): New.
 159         * ctf-impl.h (ctf_dynset_elements): Declare it.
 160         (ctf_str_add_pending): Likewise.
 161         (ctf_dict_t) <ctf_str_pending_ref>: New, set of refs that must be
 162         added during serialization.
 163         * ctf-string.c (ctf_str_create_atoms): Initialize it.
 164         (CTF_STR_ADD_REF): New flag.
 165         (CTF_STR_MAKE_PROVISIONAL): Likewise.
 166         (CTF_STR_PENDING_REF): Likewise.
 167         (ctf_str_add_ref_internal): Take a flags word rather than int
 168         params.  Populate, and clear out, ctf_str_pending_ref.
 169         (ctf_str_add): Adjust accordingly.
 170         (ctf_str_add_external): Likewise.
 171         (ctf_str_add_pending): New.
 172         (ctf_str_remove_ref): Also remove the potential ref if it is a
 173         pending ref.
 174         * ctf-serialize.c (ctf_serialize): Prohibit addition of strings
 175         with ctf_str_add_ref before serialization.  Ensure that the
 176         ctf_str_pending_ref set is empty before strtab finalization.
 177         (ctf_emit_type_sect): Add a ref to the ctt_name.
 178         * ctf-create.c (ctf_add_generic): Add the ctt_name as a pending
 179         ref.
 180         * testsuite/libctf-writable/reserialize-strtab-corruption.*: New test.
 181
 182 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 183
 184         * ctf-serialize.c (ctf_serialize): Preserve ctf_typemax across
 185         serialization.
 186
 187 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 188
 189         * ctf-impl.h (ctf_dtdef_t) <dtd_u.dtu_argv>: Remove.
 190         * ctf-create.c (ctf_dtd_delete): No longer free it.
 191         (ctf_add_function): Use the dtd_vlen, not dtu_argv.  Properly align.
 192         * ctf-serialize.c (ctf_emit_type_sect): Just copy the dtd_vlen.
 193         * ctf-types.c (ctf_func_type_info): Just use the vlen.
 194         (ctf_func_type_args): Likewise.
 195
 196 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 197
 198         * ctf-impl.h (ctf_dtdef_t) <dtd_u.dtu_arr>: Remove.
 199         * ctf-create.c (ctf_add_array): Use the dtd_vlen, not dtu_arr.
 200         (ctf_set_array): Likewise.
 201         * ctf-serialize.c (ctf_emit_type_sect): Just copy the dtd_vlen.
 202         * ctf-types.c (ctf_array_info): Just use the vlen.
 203
 204 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 205
 206         * ctf-impl.h (ctf_dtdef_t) <dtd_u.dtu_enc>: Remove.
 207         <dtd_u.dtu_slice>: Likewise.
 208         <dtd_vlen>: New.
 209         * ctf-create.c (ctf_add_generic): Perhaps allocate it.  All
 210         callers adjusted.
 211         (ctf_dtd_delete): Free it.
 212         (ctf_add_slice): Use the dtd_vlen, not dtu_enc.
 213         (ctf_add_encoded): Likewise.  Assert that this must be an int or
 214         float.
 215         * ctf-serialize.c (ctf_emit_type_sect): Just copy the dtd_vlen.
 216         * ctf-dedup.c (ctf_dedup_rhash_type): Use the dtd_vlen, not
 217         dtu_slice.
 218         * ctf-types.c (ctf_type_reference): Likewise.
 219         (ctf_type_encoding): Remove most dynamic-type-specific code: just
 220         get the vlen from the right place.  Report failure to look up the
 221         underlying type's encoding.
 222
 223 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 224
 225         * ctf-archive.c (ctf_archive_next): GNU style fix for do {} while.
 226         * ctf-dedup.c (ctf_dedup_rhash_type): Likewise.
 227         (ctf_dedup_rwalk_one_output_mapping): Likewise.
 228         * ctf-dump.c (ctf_dump_format_type): Likewise.
 229         * ctf-lookup.c (ctf_symbol_next): Likewise.
 230         * swap.h (swap_thing): Likewise.
 231
 232 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 233
 234         * ctf-serialize.c: General reshuffling, and...
 235         (emit_symtypetab_state_t): New, migrated from
 236         local variables in ctf_serialize.
 237         (ctf_serialize): Split out most section sizing and
 238         emission.
 239         (ctf_symtypetab_sect_sizes): New (split out).
 240         (ctf_emit_symtypetab_sects): Likewise.
 241         (ctf_type_sect_size): Likewise.
 242         (ctf_emit_type_sect): Likewise.
 243
 244 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 245
 246         * ctf-impl.h (ctf_dict_t): Fix comment.
 247
 248 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 249
 250         * ctf-create.c (symtypetab_delete_nonstatic_vars): Move
 251         into ctf-serialize.c.
 252         (ctf_symtab_skippable): Likewise.
 253         (CTF_SYMTYPETAB_EMIT_FUNCTION): Likewise.
 254         (CTF_SYMTYPETAB_EMIT_PAD): Likewise.
 255         (CTF_SYMTYPETAB_FORCE_INDEXED): Likewise.
 256         (symtypetab_density): Likewise.
 257         (emit_symtypetab): Likewise.
 258         (emit_symtypetab_index): Likewise.
 259         (ctf_copy_smembers): Likewise.
 260         (ctf_copy_lmembers): Likewise.
 261         (ctf_copy_emembers): Likewise.
 262         (ctf_sort_var): Likewise.
 263         (ctf_serialize): Likewise.
 264         (ctf_gzwrite): Likewise.
 265         (ctf_compress_write): Likewise.
 266         (ctf_write_mem): Likewise.
 267         (ctf_write): Likewise.
 268         * ctf-serialize.c: New file.
 269         * Makefile.am (libctf_nobfd_la_SOURCES): Add it.
 270         * Makefile.in: Regenerate.
 271
 272 2021-03-18  Nick Alcock  <nick.alcock@oracle.com>
 273
 274         * ctf-link.c (ctf_link_lazy_open): Move up in the file, to near
 275         ctf_link_add_ctf.
 276         * ctf-lookup.c (ctf_lookup_symbol_idx): Repair tabdamage.
 277         (ctf_lookup_by_sym_or_name): Likewise.
 278         * testsuite/libctf-lookup/struct-iteration.c: Likewise.
 279         * testsuite/libctf-regression/type-add-unnamed-struct.c: Likewise.
 280
 281 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 282
 283         * ctf-create.c (symtypetab_density): Report the symbol name as
 284         well as index in the name != object error; note the likely
 285         consequences.
 286         * ctf-link.c (ctf_link_shuffle_syms): Report the symbol index
 287         as well as name.
 288
 289 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 290
 291         * ctf-link.c (ctf_link_shuffle_syms): Free ctf_dynsyms properly.
 292
 293 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 294
 295         * ctf-dump.c (ctf_dump_format_type): Fix signed/unsigned confusion.
 296
 297 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 298
 299         * ctf-dedup.c (ctf_dedup): Pass on errors from ctf_dedup_hash_type.
 300         Call ctf_dedup_fini properly on other errors.
 301         (ctf_dedup_emit_type): Set the errno on dynhash insertion failure.
 302         * ctf-link.c (ctf_link_deduplicating_per_cu): Close outputs beyond
 303         output 0 when asserting because >1 output is found.
 304         (ctf_link_deduplicating): Likewise, when asserting because the
 305         shared output is not the same as the passed-in fp.
 306
 307 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 308
 309         * ctf-impl.h (ctf_dict_t) <ctf_link_type_mapping>: No longer used
 310         by the nondeduplicating linker.
 311         (ctf_add_type_mapping): Removed, now static.
 312         (ctf_type_mapping): Likewise.
 313         (ctf_dedup_type_mapping): New.
 314         (ctf_dedup_t) <cd_input_nums>: New.
 315         * ctf-dedup.c (ctf_dedup_init): Populate it.
 316         (ctf_dedup_fini): Free it again.  Emphasise that this has to be
 317         the last thing called.
 318         (ctf_dedup): Populate it.
 319         (ctf_dedup_populate_type_mapping): Removed.
 320         (ctf_dedup_populate_type_mappings): Likewise.
 321         (ctf_dedup_emit): No longer call it.  No longer call
 322         ctf_dedup_fini either.
 323         (ctf_dedup_type_mapping): New.
 324         * ctf-link.c (ctf_unnamed_cuname): New.
 325         (ctf_create_per_cu): Arguments must be non-null now.
 326         (ctf_in_member_cb_arg): Removed.
 327         (ctf_link): No longer populate it.  No longer discard the
 328         mapping table.
 329         (ctf_link_deduplicating_one_symtypetab): Use
 330         ctf_dedup_type_mapping, not ctf_type_mapping.  Use
 331         ctf_unnamed_cuname.
 332         (ctf_link_one_variable): Likewise.  Pass in args individually: no
 333         longer a ctf_variable_iter callback.
 334         (empty_link_type_mapping): Removed.
 335         (ctf_link_deduplicating_variables): Use ctf_variable_next, not
 336         ctf_variable_iter.  No longer pack arguments to
 337         ctf_link_one_variable into a struct.
 338         (ctf_link_deduplicating_per_cu): Call ctf_dedup_fini once
 339         all link phases are done.
 340         (ctf_link_deduplicating): Likewise.
 341         (ctf_link_intern_extern_string): Improve comment.
 342         (ctf_add_type_mapping): Migrate...
 343         (ctf_type_mapping): ... these functions...
 344         * ctf-create.c (ctf_add_type_mapping): ... here...
 345         (ctf_type_mapping): ... and make static, for the sole use of
 346         ctf_add_type.
 347
 348 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 349
 350         * ctf-link.c (ctf_link_one_variable): Remove reference to
 351         "unconflicted link mode".
 352
 353 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 354
 355         * ctf-link.c (ctf_create_per_cu): Drop FILENAME now that it is
 356         always identical to CUNAME.
 357         (ctf_link_deduplicating_one_symtypetab): Adjust.
 358         (ctf_link_one_type): Remove.
 359         (ctf_link_one_input_archive_member): Likewise.
 360         (ctf_link_close_one_input_archive): Likewise.
 361         (ctf_link_one_input_archive): Likewise.
 362         (ctf_link): No longer call it.  Drop CTF_LINK_NONDEDUP path.
 363         Improve header comment a bit (dicts, not files).  Adjust
 364         ctf_create_per_cu call.
 365         (ctf_link_deduplicating_variables): Simplify.
 366         (ctf_link_in_member_cb_arg_t) <cu_name>: Remove.
 367         <in_input_cu_file>: Likewise.
 368         <in_fp_parent>: Likewise.
 369         <done_parent>: Likewise.
 370         (ctf_link_one_variable): Turn uses of in_file_name to in_cuname.
 371
 372 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 373
 374         * ctf-types.c (ctf_member_iter): Move 'rc' to an inner scope.
 375         (ctf_enum_iter): Reimplement in terms of ctf_enum_next.
 376         (ctf_type_iter): Reimplement in terms of ctf_type_next.
 377         (ctf_type_iter_all): Likewise.
 378         (ctf_variable_iter): Reimplement in terms of ctf_variable_next.
 379         * ctf-archive.c (ctf_archive_iter_internal): Remove.
 380         (ctf_archive_iter): Reimplement in terms of ctf_archive_next.
 381
 382 2021-03-02  Nick Alcock  <nick.alcock@oracle.com>
 383
 384         * ctf-archive.c (ctf_archive_next): Set the name of parents in
 385         single-member archives.
 386
 387 2021-02-26  Alan Modra  <amodra@gmail.com>
 388
 389         * Makefile.in: Regenerate.
 390
 391 2021-02-21  Alan Modra  <amodra@gmail.com>
 392
 393         * configure.ac: Invoke AC_CANONICAL_TARGET, AC_CANONICAL_HOST
 394         and AC_CANONICAL_BUILD.
 395         * configure: Regenerate.
 396         * Makefile.in: Regenerate.
 397
 398 2021-02-20  Nick Alcock  <nick.alcock@oracle.com>
 399
 400         * ctf-impl.h (ctf_dict_t) <ctf_symhash>: New.
 401         <ctf_symhash_latest>: Likewise.
 402         (struct ctf_archive_internal) <ctfi_crossdict_cache>: New.
 403         <ctfi_symnamedicts>: New.
 404         <ctfi_syms>: Remove.
 405         (ctf_lookup_symbol_name): Remove.
 406         * ctf-lookup.c (ctf_lookup_symbol_name): Propagate errors from
 407         parent properly.  Make static.
 408         (ctf_lookup_symbol_idx): New, linear search for the symbol name,
 409         cached in the crossdict cache's ctf_symhash (if available), or
 410         this dict's (otherwise).
 411         (ctf_try_lookup_indexed): Allow the symname to be passed in.
 412         (ctf_lookup_by_symbol): Turn into a wrapper around...
 413         (ctf_lookup_by_sym_or_name): ... this, supporting name lookup too,
 414         using ctf_lookup_symbol_idx in non-writable dicts.  Special-case
 415         name lookup in dynamic dicts without reported symbols, which have
 416         no symtab or dynsymidx but where name lookup should still work.
 417         (ctf_lookup_by_symbol_name): New, another wrapper.
 418         * ctf-archive.c (enosym): Note that this is present in
 419         ctfi_symnamedicts too.
 420         (ctf_arc_close): Adjust for removal of ctfi_syms.  Free the
 421         ctfi_symnamedicts.
 422         (ctf_arc_flush_caches): Likewise.
 423         (ctf_dict_open_cached): Memoize the first cached dict in the
 424         crossdict cache.
 425         (ctf_arc_lookup_symbol): Turn into a wrapper around...
 426         (ctf_arc_lookup_sym_or_name): ... this.  No longer cache
 427         ctf_id_t lookups: just call ctf_lookup_by_symbol as needed (but
 428         still cache the dicts those lookups succeed in).  Add
 429         lookup-by-name support, with dicts of successful lookups cached in
 430         ctfi_symnamedicts.  Refactor the caching code a bit.
 431         (ctf_arc_lookup_symbol_name): New, another wrapper.
 432         * ctf-open.c (ctf_dict_close): Free the ctf_symhash.
 433         * libctf.ver (LIBCTF_1.2): New version.  Add
 434         ctf_lookup_by_symbol_name, ctf_arc_lookup_symbol_name.
 435         * testsuite/libctf-lookup/enum-symbol.c (main): Use
 436         ctf_arc_lookup_symbol rather than looking up the name ourselves.
 437         Fish it out repeatedly, to make sure that symbol caching isn't
 438         broken.
 439         (symidx_64): Remove.
 440         (symidx_32): Remove.
 441         * testsuite/libctf-lookup/enum-symbol-obj.lk: Test symbol lookup
 442         in an unlinked object file (indexed symtypetab sections only).
 443         * testsuite/libctf-writable/symtypetab-nonlinker-writeout.c
 444         (try_maybe_reporting): Check symbol types via
 445         ctf_lookup_by_symbol_name as well as ctf_symbol_next.
 446         * testsuite/libctf-lookup/conflicting-type-syms.*: New test of
 447         lookups in a multi-dict archive.
 448
 449 2021-02-20  Alan Modra  <amodra@gmail.com>
 450
 451         * testsuite/config/default.exp (ld_L_opt): Define.
 452         * testsuite/lib/ctf-lib.exp (load_common_lib): Delete.  Instead load
 453         ld-lib.exp.
 454         (run_host_cmd, run_host_cmd_yesno, check_compiler_available): Delete.
 455         (compile_one_cc, check_ctf_available): Delete.
 456
 457 2021-02-03  Nick Alcock  <nick.alcock@oracle.com>
 458
 459         * configure.ac (ac_cv_libctf_bfd_elf): Include string.h.
 460         * configure: Regenerated.
 461
 462 2021-02-03  Nick Alcock  <nick.alcock@oracle.com>
 463
 464         * configure.ac (EXPECT): Check for, in order to define...
 465         (TCL_TRY): ... this, if Tcl supports try/catch.
 466         * Makefile.am (TCL_TRY): Run the testsuite only if set.
 467         * configure: Regenerated.
 468         * Makefile.in: Likewise.
 469
 470 2021-02-02  Nick Alcock  <nick.alcock@oracle.com>
 471
 472         * configure.ac (CTF_LIBADD): Remove explicit -lintl population in
 473         favour of LIBINTL.
 474         * Makefile.am (libctf_nobfd_la_LIBADD): No longer explicitly
 475         include $(LIBINTL).
 476         (check-DEJAGNU): Pass down to tests as well.
 477         * configure: Regenerated.
 478         * Makefile.in: Likewise.
 479
 480 2021-01-27  Nick Alcock  <nick.alcock@oracle.com>
 481
 482         * ctf-string.c (ctf_str_add): Treat adding a NULL as adding "".
 483         (ctf_str_add_ref): Likewise.
 484         (ctf_str_add_external): Likewise.
 485         * ctf-types.c (ctf_type_name_raw): Always return "" for offset 0.
 486         * ctf-dedup.c (ctf_dedup_multiple_input_dicts): Don't armour
 487         against NULL name.
 488         (ctf_dedup_maybe_synthesize_forward): Likewise.
 489
 490 2021-01-27  Nick Alcock  <nick.alcock@oracle.com>
 491
 492         * ctf-create.c (ctf_serialize): Fix shadowing.
 493
 494 2021-01-27  Nick Alcock  <nick.alcock@oracle.com>
 495
 496         * ctf-create.c (ctf_add_encoded): Add check for non-empty name.
 497         (ctf_add_forward): Likewise.
 498         (ctf_add_typedef): Likewise.
 499
 500 2021-01-27  Nick Alcock  <nick.alcock@oracle.com>
 501
 502         * ctf-open.c (init_types): Rip out code to check anonymous typedef
 503         nodes.
 504         * ctf-create.c (ctf_add_reftype): Likewise.
 505         * ctf-lookup.c (refresh_pptrtab): Likewise.
 506
 507 2021-01-27  Nick Alcock  <nick.alcock@oracle.com>
 508
 509         * ctf-impl.c (_libctf_nonnull_): Add parameters.
 510         (LCTF_LINKING): New flag.
 511         (ctf_dict_t) <ctf_link_flags>: Mention it.
 512         * ctf-link.c (ctf_link): Keep LCTF_LINKING set across call.
 513         (ctf_write): Likewise, including in child dictionaries.
 514         (ctf_link_shuffle_syms): Make sure ctf_dynsyms is NULL if there
 515         are no reported symbols.
 516         * ctf-create.c (symtypetab_delete_nonstatic_vars): Make sure
 517         the variable has been reported as a symbol by the linker.
 518         (symtypetab_skippable): Mention relationship between SYMFP and the
 519         flags.
 520         (symtypetab_density): Adjust nonnullity.  Exit early if no symbols
 521         were reported and force-indexing is off (i.e., we are doing a
 522         final link).
 523         (ctf_serialize): Handle the !LCTF_LINKING case by writing out an
 524         indexed, sorted symtypetab (and allow SYMFP to be NULL in this
 525         case).  Turn sorting off if this is a non-final link.  Only delete
 526         nonstatic vars if we are filtering symbols and the linker has
 527         reported some.
 528         * testsuite/libctf-regression/nonstatic-var-section-ld-r*:
 529         New test of variable and symtypetab section population when
 530         ld -r is used.
 531         * testsuite/libctf-regression/nonstatic-var-section-ld-executable.lk:
 532         Likewise, when ld of an executable is used.
 533         * testsuite/libctf-regression/nonstatic-var-section-ld.lk:
 534         Likewise, when ld -shared alone is used.
 535         * testsuite/libctf-regression/nonstatic-var-section-ld*.c:
 536         Lookup programs for the above.
 537         * testsuite/libctf-writable/symtypetab-nonlinker-writeout.*: New
 538         test, testing survival of symbols across ctf_write paths.
 539         * testsuite/lib/ctf-lib.exp (run_lookup_test): New option,
 540         nonshared, suppressing linking of the SOURCE with -shared.
 541
 542 2021-01-19  Nick Alcock  <nick.alcock@oracle.com>
 543
 544         * ctf-create.c (membadd): Transform ""-named members into
 545         NULL-named ones.
 546         * testsuite/libctf-regression/type-add-unnamed-struct*: New test.
 547
 548 2021-01-19  Nick Alcock  <nick.alcock@oracle.com>
 549
 550         * ctf-lookup.c (ctf_lookup_by_name_internal): Do not return the
 551         base type if looking up a nonexistent pointer type.
 552         * testsuite/libctf-regression/pptrtab*: Test it.
 553
 554 2021-01-13  Alan Modra  <amodra@gmail.com>
 555
 556         * Makefile.in: Regenerate.
 557
 558 2021-01-12  H.J. Lu  <hongjiu.lu@intel.com>
 559
 560         PR binutils/26792
 561         * configure.ac: Use GNU_MAKE_JOBSERVER.
 562         * aclocal.m4: Regenerated.
 563         * configure: Likewise.
 564
 565 2021-01-11  H.J. Lu  <hongjiu.lu@intel.com>
 566
 567         PR ld/27173
 568         * configure: Regenerated.
 569
 570 2021-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 571
 572         * configure: Regenerated.
 573
 574 2021-01-09  Nick Clifton  <nickc@redhat.com>
 575
 576         * 2.36 release branch crated.
 577
 578 2021-01-09  Alan Modra  <amodra@gmail.com>
 579
 580         * configure: Regenerate.
 581
 582 2021-01-07  Samuel Thibault  <samuel.thibault@gnu.org>
 583
 584         * configure: Regenerate.
 585
 586 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 587
 588         * testsuite/libctf-lookup/struct-iteration.c (main):
 589         ctf_member_count returns an int.
 590
 591 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 592
 593         * Makefile.am (BASEDIR): New.
 594         (BFDDIR): Likewise.
 595         (check-DEJAGNU): Add development.exp to prerequisites.
 596         (development.exp): New.
 597         (CONFIG_STATUS_DEPENDENCIES): New.
 598         (EXTRA_DEJAGNU_SITE_CONFIG): Likewise.
 599         (DISTCLEANFILES): Likewise.
 600         * Makefile.in: Regenerated.
 601         * testsuite/lib/ctf-lib.exp (check_ctf_available): Return boolean.
 602         * testsuite/libctf-lookup/lookup.exp: Call check_ctf_available.
 603         * testsuite/libctf-regression/regression.exp: Likewise.
 604
 605 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 606
 607         * ctf-types.c (ctf_type_aname): Print forwards to unions and enums
 608         properly.
 609
 610 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 611
 612         * ctf-impl.h (ctf_dict_t) <ctf_pptrtab>: New.
 613         <ctf_pptrtab_len>: New.
 614         <ctf_pptrtab_typemax>: New.
 615         * ctf-create.c (ctf_serialize): Update accordingly.
 616         (ctf_add_reftype): Note that we don't need to update pptrtab here,
 617         despite updating ptrtab.
 618         * ctf-open.c (ctf_dict_close): Destroy the pptrtab.
 619         (ctf_import): Likewise.
 620         (ctf_import_unref): Likewise.
 621         * ctf-lookup.c (grow_pptrtab): New.
 622         (refresh_pptrtab): New, update a pptrtab.
 623         (ctf_lookup_by_name): Turn into a wrapper around (and rename to)...
 624         (ctf_lookup_by_name_internal): ... this: construct the pptrtab, and
 625         use it in addition to the parent's ptrtab when parent dicts are
 626         searched.
 627         * testsuite/libctf-regression/regression.exp: New testsuite for
 628         regression tests.
 629         * testsuite/libctf-regression/pptrtab*: New test.
 630         * testsuite/libctf-writable/writable.exp: New testsuite for tests of
 631         writable CTF dicts.
 632         * testsuite/libctf-writable/pptrtab*: New test.
 633
 634 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 635
 636         * ctf-archive.c (ctf_archive_iter): Remove outdated comment.
 637
 638 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 639
 640         * ctf-impl.h (struct ctf_next) <u.ctn_next>: Move to...
 641         <ctn_next>: ... here.
 642         * ctf-util.c (ctf_next_destroy): Unconditionally destroy it.
 643         * ctf-lookup.c (ctf_symbol_next): Adjust accordingly.
 644         * ctf-types.c (ctf_member_iter): Reimplement in terms of...
 645         (ctf_member_next): ... this.  Support recursive unnamed member
 646         iteration (off by default).
 647         (ctf_member_info): Look up members in unnamed sub-structs.
 648         * ctf-dedup.c (ctf_dedup_rhash_type): Adjust ctf_member_next call.
 649         (ctf_dedup_emit_struct_members): Likewise.
 650         * testsuite/libctf-lookup/struct-iteration-ctf.c: Test empty unnamed
 651         members, and a normal member after the end.
 652         * testsuite/libctf-lookup/struct-iteration.c: Verify that
 653         ctf_member_count is consistent with the number of successful returns
 654         from a non-recursive ctf_member_next.
 655         * testsuite/libctf-lookup/struct-iteration-*: New, test iteration
 656         over struct members.
 657         * testsuite/libctf-lookup/struct-lookup.c: New test.
 658         * testsuite/libctf-lookup/struct-lookup.lk: New test.
 659
 660 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 661
 662         * ctf-link.c (ctf_link_warn_outdated_inputs): New.
 663         (ctf_link_write): Call it.
 664
 665 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 666
 667         * testsuite/libctf-lookup/enum-symbol.lk: New symbol-lookup test.
 668         * testsuite/libctf-lookup/enum-symbol-ctf.c: New CTF input.
 669         * testsuite/libctf-lookup/enum-symbol.c: New lookup test.
 670
 671 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 672
 673         * Makefile.am (EXPECT): New.
 674         (RUNTEST): Likewise.
 675         (RUNTESTFLAGS): Likewise.
 676         (CC_FOR_TARGET): Likewise.
 677         (check-DEJAGNU): Likewise.
 678         (AUTOMAKE_OPTIONS): Add dejagnu.
 679         * Makefile.in: Regenerated.
 680         * testsuite/config/default.exp: New.
 681         * testsuite/lib/ctf-lib.exp: Likewise.
 682         * testsuite/libctf-lookup/enum.lk: New test.
 683         * testsuite/libctf-lookup/enum-ctf.c: New CTF input.
 684         * testsuite/libctf-lookup/enum.c: New lookup test.
 685         * testsuite/libctf-lookup/ambiguous-struct*.c: New test.
 686         * testsuite/libctf-lookup/lookup.exp: New.
 687
 688 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 689
 690         * configure.ac (BFD_LIBADD): Remove.
 691         (BFD_DEPENDENCIES): Likewise. Remove associated cases.
 692         (SHARED_LIBADD): Rename to...
 693         (CTF_LIBADD): ... this.  Stick in a suitable libiberty even when
 694         linking statically.
 695         * Makefile.am (libctf_nobfd_la_LIBADD): Adjust accordingly.
 696         libctf uses libintl.
 697         (libctf_la_LIBADD): Reference libbfd.la directly, not via
 698         BFD_LIBADD.
 699         (libctf_la_DEPENDENCIES): Remove.
 700         * Makefile.in: Regenerate.
 701         * configure: Likewise.
 702
 703 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 704
 705         * ctf-decl.c (ctf_decl_push): Exclude slices from the decl stack.
 706         * ctf-types.c (ctf_type_aname): No longer deal with slices here.
 707         * ctf-dump.c (ctf_dump_membstate_t) <cdm_toplevel_indent>: Constify.
 708         (CTF_FT_REFS): New.
 709         (CTF_FT_BITFIELD): Likewise.
 710         (CTF_FT_ID): Likewise.
 711         (ctf_dump_member): Do not do indentation here. Migrate the
 712         type-printing parts of this into...
 713         (ctf_dump_format_type): ... here, to be shared by all type printers.
 714         Get the errno value for non-representable types right.  Do not print
 715         bitfield info for non-bitfields.  Improve the format and indentation
 716         of other type output.  Shuffle spacing around to make all indentation
 717         either 'width of column' or 4 chars.
 718         (ctf_dump_label): Pass CTF_FT_REFS to ctf_dump_format_type.
 719         (ctf_dump_objts): Likewise.  Spacing shuffle.
 720         (ctf_dump_var): Likewise.
 721         (type_hex_digits): Migrate down in the file, to above its new user.
 722         (ctf_dump_type): Indent here instead.  Pass CTF_FT_REFS to
 723         ctf_dump_format_type. Don't trim off excess linefeeds now we no
 724         longer generate them.  Dump enumerated types.
 725
 726 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 727
 728         * ctf-types.c (ctf_type_resolve): Improve comment.
 729         (ctf_type_size): Yield ECTF_INCOMPLETE when applied to forwards.
 730         Emit errors into the right dict.
 731         (ctf_type_align): Likewise.
 732         * ctf-create.c (ctf_add_member_offset): Yield ECTF_INCOMPLETE
 733         when adding a member without explicit offset when this member, or
 734         the previous member, is incomplete.
 735         * ctf-dump.c (ctf_dump_format_type): Do not try to print the size of
 736         forwards.
 737         (ctf_dump_member): Do not try to print their alignment.
 738
 739 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 740
 741         * ctf-dump.c (ctf_dump_objts): Dump by calling ctf_dump_format_type.
 742         (ctf_dump_format_type): Don't emit the size for function objects.
 743         Dump the element type of arrays like we dump the pointed-to type of
 744         pointers, etc.
 745
 746 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 747
 748         * ctf-dump.c (ctf_dump_format_type): Add 0x to hex type IDs.
 749         (ctf_dump_header): Add 0x to the hex magic number.
 750         (ctf_dump_str): Add 0x to the hex string offsets.
 751         (ctf_dump_membstate_t) <cdm_toplevel_indent>: New.
 752         (ctf_dump_type): Adjust.  Free it when we're done.
 753         (type_hex_digits): New.
 754         (ctf_dump_member): Align output depending on the width of the type
 755         ID being generated.  Use printf padding, not a loop, to generate
 756         indentation.
 757
 758 2021-01-05  Nick Alcock  <nick.alcock@oracle.com>
 759
 760         * ctf-decl.c (ctf_decl_push): Don't print array decls backwards.
 761
 762 2021-01-04  Nicolas Boulenguez  <nicolas@debian.org>
 763
 764         PR 27117
 765         * configure.ac: Make AC_CONFIG_MACRO_DIR consistent with
 766         ACLOCAL_AMFLAGS -I dirs.
 767         * configure: Regenerate.
 768
 769 2021-01-01  Alan Modra  <amodra@gmail.com>
 770
 771         Update year range in copyright notice of all files.
 772
 773 For older changes see ChangeLog-2020
 774 \f
 775 Copyright (C) 2021 Free Software Foundation, Inc.
 776
 777 Copying and distribution of this file, with or without modification,
 778 are permitted in any medium without royalty provided the copyright
 779 notice and this notice are preserved.
 780
 781 Local Variables:
 782 mode: change-log
 783 left-margin: 8
 784 fill-column: 74
 785 version-control: never
 786 End: