libctf: allow the header to change between versions

[deliverable/binutils-gdb.git] / libctf / ChangeLog

diff --git a/libctf/ChangeLog b/libctf/ChangeLog
index 70059cbf863078881e9004637d5fd2bf4be402a9..9188a25c7f220066d96a4c89085c795ba3f08d1d 100644 (file)
--- a/libctf/ChangeLog
+++ b/libctf/ChangeLog
@@ -1,3 +1,45 @@
+2019-07-06  Nick Alcock  <nick.alcock@oracle.com>
+
+       * ctf-impl.h (ctf_file_t): New fields ctf_header, ctf_dynbase,
+       ctf_cuname, ctf_dyncuname: ctf_base and ctf_buf are no longer const.
+       * ctf-open.c (ctf_set_base): Preserve the gap between ctf_buf and
+       ctf_base: do not assume that it is always sizeof (ctf_header_t).
+       Print out ctf_cuname: only print out ctf_parname if set.
+       (ctf_free_base): Removed, ctf_base is no longer freed: free
+       ctf_dynbase instead.
+       (ctf_set_version): Fix spacing.
+       (upgrade_header): New, in-place header upgrading.
+       (upgrade_types): Rename to...
+       (upgrade_types_v1): ... this.  Free ctf_dynbase, not ctf_base.  No
+       longer track old and new headers separately.  No longer allow for
+       header sizes explicitly: squeeze the headers out on upgrade (they
+       are preserved in fp->ctf_header).  Set ctf_dynbase, ctf_base and
+       ctf_buf explicitly.  Use ctf_free, not ctf_free_base.
+       (upgrade_types): New, also handle ctf_parmax updating.
+       (flip_header): Flip ctf_cuname.
+       (flip_types): Flip BUF explicitly rather than deriving BUF from
+       BASE.
+       (ctf_bufopen): Store the header in fp->ctf_header.  Correct minimum
+       required alignment of objtoff and funcoff.  No longer store it in
+       the ctf_buf unless that buf is derived unmodified from the input.
+       Set ctf_dynbase where ctf_base is dynamically allocated. Drop locals
+       that duplicate fields in ctf_file: move allocation of ctf_file
+       further up instead.  Call upgrade_header as needed.  Move
+       version-specific ctf_parmax initialization into upgrade_types.  More
+       concise error handling.
+       (ctf_file_close): No longer test for null pointers before freeing.
+       Free ctf_dyncuname, ctf_dynbase, and ctf_header.  Do not call
+       ctf_free_base.
+       (ctf_cuname): New.
+       (ctf_cuname_set): New.
+       * ctf-create.c (ctf_update): Populate ctf_cuname.
+       (ctf_gzwrite): Write out the header explicitly.  Remove obsolescent
+       comment.
+       (ctf_write): Likewise.
+       (ctf_compress_write): Get the header from ctf_header, not ctf_base.
+       Fix the compression length: fp->ctf_size never counted the CTF
+       header.  Simplify the compress call accordingly.
+
 2019-07-11  Hans-Peter Nilsson  <hp@bitrange.com>
 
        * ctf-endian.h: Don't assume htole64 and le64toh are always