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f57cf0e3e3
The first ctf_snapshot called after CTF file creation yields a snapshot
handle that always yields a spurious ECTF_OVERROLLBACK error ("Attempt
to roll back past a ctf_update") on ctf_rollback(), even if ctf_update
has never been called.
The fix is to start with a ctf_snapshot value higher than the zero value
that ctf_snapshot_lu ("last update CTF snapshot value") is initialized
to.
libctf/
* ctf-create.c (ctf_create): Fix off-by-one error.
373 lines
12 KiB
Plaintext
373 lines
12 KiB
Plaintext
2019-06-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-create.c (ctf_create): Fix off-by-one error.
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2019-06-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-impl.h: (struct ctf_strs_writable): New, non-const version of
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struct ctf_strs.
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(struct ctf_dtdef): Note that dtd_data.ctt_name is unpopulated.
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(struct ctf_str_atom): New, disambiguated single string.
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(struct ctf_str_atom_ref): New, points to some other location that
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references this string's offset.
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(struct ctf_file): New members ctf_str_atoms and ctf_str_num_refs.
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Remove member ctf_dtvstrlen: we no longer track the total strlen
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as we add strings.
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(ctf_str_create_atoms): Declare new function in ctf-string.c.
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(ctf_str_free_atoms): Likewise.
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(ctf_str_add): Likewise.
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(ctf_str_add_ref): Likewise.
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(ctf_str_rollback): Likewise.
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(ctf_str_purge_refs): Likewise.
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(ctf_str_write_strtab): Likewise.
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(ctf_realloc): Declare new function in ctf-util.c.
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* ctf-open.c (ctf_bufopen): Create the atoms table.
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(ctf_file_close): Destroy it.
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* ctf-create.c (ctf_update): Copy-and-free it on update. No longer
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special-case the position of the parname string. Construct the
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strtab by calling ctf_str_add_ref and ctf_str_write_strtab after the
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rest of each buffer element is constructed, not via open-coding:
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realloc the CTF buffer and append the strtab to it. No longer
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maintain ctf_dtvstrlen. Sort the variable entry table later, after
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strtab construction.
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(ctf_copy_membnames): Remove: integrated into ctf_copy_{s,l,e}members.
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(ctf_copy_smembers): Drop the string offset: call ctf_str_add_ref
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after buffer element construction instead.
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(ctf_copy_lmembers): Likewise.
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(ctf_copy_emembers): Likewise.
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(ctf_create): No longer maintain the ctf_dtvstrlen.
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(ctf_dtd_delete): Likewise.
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(ctf_dvd_delete): Likewise.
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(ctf_add_generic): Likewise.
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(ctf_add_enumerator): Likewise.
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(ctf_add_member_offset): Likewise.
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(ctf_add_variable): Likewise.
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(membadd): Likewise.
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* ctf-util.c (ctf_realloc): New, wrapper around realloc that aborts
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if there are active ctf_str_num_refs.
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(ctf_strraw): Move to ctf-string.c.
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(ctf_strptr): Likewise.
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* ctf-string.c: New file, strtab manipulation.
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* Makefile.am (libctf_a_SOURCES): Add it.
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* Makefile.in: Regenerate.
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2019-06-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-impl.h (ctf_hash_iter_f): New.
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(ctf_dynhash_iter): New declaration.
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(ctf_dynhash_iter_remove): New declaration.
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* ctf-hash.c (ctf_dynhash_iter): Define.
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(ctf_dynhash_iter_remove): Likewise.
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(ctf_hashtab_traverse): New.
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(ctf_hashtab_traverse_remove): Likewise.
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(struct ctf_traverse_cb_arg): Likewise.
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(struct ctf_traverse_remove_cb_arg): Likewise.
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2019-06-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-hash.c (ctf_dynhash_remove): Call with a mocked-up element.
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2019-06-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-dump.c (ctf_dump_format_type): Prefix hex strings with 0x.
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(ctf_dump_funcs): Likewise.
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2019-06-19 Nick Alcock <nick.alcock@oracle.com>
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* ctf-open-bfd.c: Add swap.h and ctf-endian.h.
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(ctf_fdopen): Check for endian-swapped raw CTF magic, and
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little-endian CTF archive magic. Do not check the CTF version:
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ctf_simple_open does that in endian-safe ways. Do not dereference
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null pointers on open failure.
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2019-06-19 Nick Alcock <nick.alcock@oracle.com>
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* ctf-open.c (get_vbytes_common): Return the new slice size.
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(ctf_bufopen): Flip the endianness of the CTF-section header copy.
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Remember to copy in the CTF data when opening an uncompressed
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foreign-endian CTF file. Prune useless variable manipulation.
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2019-06-19 Nick Alcock <nick.alcock@oracle.com>
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* ctf-open.c (ctf_types): Fail when unidentified type kinds are
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seen.
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2019-06-19 Nick Alcock <nick.alcock@oracle.com>
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* ctf-open.c (ctf_bufopen): Dump header offsets into the debugging
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output.
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2019-06-19 Nick Alcock <nick.alcock@oracle.com>
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* ctf-subr.c (_PAGESIZE): Remove.
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(ctf_data_alloc): Likewise.
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(ctf_data_free): Likewise.
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(ctf_data_protect): Likewise.
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* ctf-impl.h: Remove declarations.
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* ctf-create.c (ctf_update): No longer call ctf_data_protect: use
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ctf_free, not ctf_data_free.
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(ctf_compress_write): Use ctf_data_alloc, not ctf_alloc. Free
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the buffer again on compression error.
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* ctf-open.c (ctf_set_base): No longer track the size: call
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ctf_free, not ctf_data_free.
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(upgrade_types): Likewise. Call ctf_alloc, not ctf_data_alloc.
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(ctf_bufopen): Likewise. No longer call ctf_data_protect.
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2019-06-19 Nick Alcock <nick.alcock@oracle.com>
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* ctf-create.c (ctf_dtd_insert): Pass on error returns from
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ctf_dynhash_insert.
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(ctf_dvd_insert): Likewise.
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(ctf_add_generic): Likewise.
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(ctf_add_variable): Likewise.
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* ctf-impl.h: Adjust declarations.
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2019-06-14 Alan Modra <amodra@gmail.com>
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* configure: Regenerate.
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2019-06-06 Nick Alcock <nick.alcock@oracle.com>
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* ctf-decls.h: Include <libiberty.h>.
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* ctf-lookup.c (ctf_lookup_by_name): Call xstrndup(), not strndup().
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2019-06-06 Nick Alcock <nick.alcock@oracle.com>
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* ctf-dump.c (ctf_dump_format_type): Cast size_t's used in printf()s.
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(ctf_dump_objts): Likewise.
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(ctf_dump_funcs): Likewise.
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(ctf_dump_member): Likewise.
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(ctf_dump_str): Likewise.
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2019-06-06 Nick Alcock <nick.alcock@oracle.com>
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* ctf-archive.c (arc_mmap_header): Mark fd as potentially unused.
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* ctf-subr.c (ctf_data_protect): Mark both args as potentially unused.
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2019-06-05 Nick Alcock <nick.alcock@oracle.com>
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* ctf-archive.c (ctf_arc_write): Eschew %zi format specifier.
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(ctf_arc_open_by_offset): Likewise.
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* ctf-create.c (ctf_add_type): Likewise.
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2019-06-04 Tom Tromey <tromey@adacore.com>
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* ctf-create.c (ctf_add_encoded, ctf_add_slice)
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(ctf_add_member_offset): Use CHAR_BIT, not NBBY.
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2019-06-04 Nick Alcock <nick.alcock@oracle.com>
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* configure.ac: Check for O_CLOEXEC.
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* ctf-decls.h (O_CLOEXEC): Define (to 0), if need be.
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* config.h.in: Regenerate.
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* configure: Likewise.
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2019-06-04 Nick Alcock <nick.alcock@oracle.com>
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* qsort_r.c: Rename to...
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* ctf-qsort_r.c: ... this.
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(_quicksort): Define to ctf_qsort_r.
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* ctf-decls.h (qsort_r): Remove.
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(ctf_qsort_r): Add.
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(struct ctf_qsort_arg): New, transport the real ARG and COMPAR.
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(ctf_qsort_compar_thunk): Rearrange the arguments to COMPAR.
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* Makefile.am (libctf_a_LIBADD): Remove.
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(libctf_a_SOURCES): New, add ctf-qsort_r.c.
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* ctf-archive.c (ctf_arc_write): Call ctf_qsort_r, not qsort_r.
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* ctf-create.c (ctf_update): Likewise.
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* configure.ac: Check for BSD versus GNU qsort_r signature.
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* Makefile.in: Regenerate.
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* config.h.in: Likewise.
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* configure: Likewise.
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2019-06-03 Nick Alcock <nick.alcock@oracle.com>
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* ctf-dump.c (ctf_dump_funcs): Free in the right place.
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2019-05-29 Nick Alcock <nick.alcock@oracle.com>
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* Makefile.am (ZLIB): New.
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(ZLIBINC): Likewise.
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(AM_CFLAGS): Use them.
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(libctf_a_LIBADD): New, for LIBOBJS.
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* configure.ac: Check for zlib, endian.h, and qsort_r.
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* ctf-endian.h: New, providing htole64 and le64toh.
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* swap.h: Code style fixes.
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(bswap_identity_64): New.
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* qsort_r.c: New, from gnulib (with one added #include).
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* ctf-decls.h: New, providing a conditional qsort_r declaration,
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and unconditional definitions of MIN and MAX.
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* ctf-impl.h: Use it. Do not use <sys/errno.h>.
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(ctf_set_errno): Now returns unsigned long.
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* ctf-util.c (ctf_set_errno): Adjust here too.
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* ctf-archive.c: Use ctf-endian.h.
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(ctf_arc_open_by_offset): Use memset, not bzero. Drop cts_type,
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cts_flags and cts_offset.
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(ctf_arc_write): Drop debugging dependent on the size of off_t.
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* ctf-create.c: Provide a definition of roundup if not defined.
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(ctf_create): Drop cts_type, cts_flags and cts_offset.
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(ctf_add_reftype): Do not check if type IDs are below zero.
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(ctf_add_slice): Likewise.
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(ctf_add_typedef): Likewise.
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(ctf_add_member_offset): Cast error-returning ssize_t's to size_t
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when known error-free. Drop CTF_ERR usage for functions returning
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int.
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(ctf_add_member_encoded): Drop CTF_ERR usage for functions returning
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int.
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(ctf_add_variable): Likewise.
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(enumcmp): Likewise.
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(enumadd): Likewise.
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(membcmp): Likewise.
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(ctf_add_type): Likewise. Cast error-returning ssize_t's to size_t
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when known error-free.
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* ctf-dump.c (ctf_is_slice): Drop CTF_ERR usage for functions
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returning int: use CTF_ERR for functions returning ctf_type_id.
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(ctf_dump_label): Likewise.
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(ctf_dump_objts): Likewise.
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* ctf-labels.c (ctf_label_topmost): Likewise.
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(ctf_label_iter): Likewise.
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(ctf_label_info): Likewise.
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* ctf-lookup.c (ctf_func_args): Likewise.
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* ctf-open.c (upgrade_types): Cast to size_t where appropriate.
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(ctf_bufopen): Likewise. Use zlib types as needed.
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* ctf-types.c (ctf_member_iter): Drop CTF_ERR usage for functions
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returning int.
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(ctf_enum_iter): Likewise.
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(ctf_type_size): Likewise.
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(ctf_type_align): Likewise. Cast to size_t where appropriate.
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(ctf_type_kind_unsliced): Likewise.
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(ctf_type_kind): Likewise.
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(ctf_type_encoding): Likewise.
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(ctf_member_info): Likewise.
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(ctf_array_info): Likewise.
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(ctf_enum_value): Likewise.
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(ctf_type_rvisit): Likewise.
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* ctf-open-bfd.c (ctf_bfdopen): Drop cts_type, cts_flags and
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cts_offset.
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(ctf_simple_open): Likewise.
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(ctf_bfdopen_ctfsect): Likewise. Set cts_size properly.
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* Makefile.in: Regenerate.
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* aclocal.m4: Likewise.
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* config.h: Likewise.
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* configure: Likewise.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* configure.in: Check for bfd_section_from_elf_index.
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* configure: Regenerate.
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* config.h.in [HAVE_BFD_ELF]: Likewise.
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* libctf/ctf_open_bfd (ctf_bfdopen_ctfsect): Use it.
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abfd is potentially unused now.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* Makefile.am: New.
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* Makefile.in: Regenerated.
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* config.h.in: Likewise.
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* aclocal.m4: Likewise.
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* configure: Likewise.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-dump.c: New.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-labels.c: New.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-impl.h (_libctf_version): New declaration.
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* ctf-subr.c (_libctf_version): Define it.
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(ctf_version): New.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-create.c (enumcmp): New.
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(enumadd): Likewise.
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(membcmp): Likewise.
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(membadd): Likewise.
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(ctf_add_type): Likewise.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-lookup.c (isqualifier): New.
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(ctf_lookup_by_name): Likewise.
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(struct ctf_lookup_var_key): Likewise.
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(ctf_lookup_var): Likewise.
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(ctf_lookup_variable): Likewise.
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(ctf_lookup_symbol_name): Likewise.
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(ctf_lookup_by_symbol): Likewise.
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(ctf_func_info): Likewise.
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(ctf_func_args): Likewise.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-decl.c: New file.
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* ctf-types.c: Likewise.
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* ctf-impl.h: New declarations.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-open-bfd.c: New file.
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* ctf-open.c (ctf_close): New.
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* ctf-impl.h: Include bfd.h.
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(ctf_file): New members ctf_data_mmapped, ctf_data_mmapped_len.
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(ctf_archive_internal): New members ctfi_abfd, ctfi_data,
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ctfi_bfd_close.
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(ctf_bfdopen_ctfsect): New declaration.
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(_CTF_SECTION): likewise.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-archive.c: New.
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* ctf-impl.h (ctf_archive_internal): New type.
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(ctf_arc_open_internal): New declaration.
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(ctf_arc_bufopen): Likewise.
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(ctf_arc_close_internal): Likewise.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-open.c: New file.
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* swap.h: Likewise.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-create.c: New file.
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* ctf-lookup.c: New file.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-impl.h: New definitions and declarations for type creation
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and lookup.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-hash.c: New file.
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* ctf-impl.h: New declarations.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-error.c: New file.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-util.c: New file.
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* elf.h: Likewise.
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* ctf-impl.h: Include it, and add declarations.
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2019-05-28 Nick Alcock <nick.alcock@oracle.com>
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* ctf-impl.h: New file.
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* ctf-subr.c: New file.
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Local Variables:
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mode: change-log
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left-margin: 8
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fill-column: 76
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version-control: never
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End:
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