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authorNick Alcock <nick.alcock@oracle.com>2020-06-05 18:35:46 +0100
committerNick Alcock <nick.alcock@oracle.com>2020-07-22 18:02:19 +0100
commit0f0c11f7fc9f0ab6bd63fc5f8a4cee7367a81849 (patch)
treeeff35c0824fa60651cd492f8fa63316da9a205da /libctf/ctf-open.c
parenta9b9870206658564272fe17d2079ed9eb6ffb15f (diff)
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libctf, dedup: add deduplicator
This adds the core deduplicator that the ctf_link machinery calls (possibly repeatedly) to link the CTF sections: it takes an array of input ctf_file_t's and another array that indicates which entries in the input array are parents of which other entries, and returns an array of outputs. The first output is always the ctf_file_t on which ctf_link/ctf_dedup/etc was called: the other outputs are child dicts that have the first output as their parent. include/ * ctf-api.h (CTF_LINK_SHARE_DUPLICATED): No longer unimplemented. libctf/ * ctf-impl.h (ctf_type_id_key): New, the key in the cd_id_to_file_t. (ctf_dedup): New, core deduplicator state. (ctf_file_t) <ctf_dedup>: New. <ctf_dedup_atoms>: New. <ctf_dedup_atoms_alloc>: New. (ctf_hash_type_id_key): New prototype. (ctf_hash_eq_type_id_key): Likewise. (ctf_dedup_atoms_init): Likewise. * ctf-hash.c (ctf_hash_eq_type_id_key): New. (ctf_dedup_atoms_init): Likewise. * ctf-create.c (ctf_serialize): Adjusted. (ctf_add_encoded): No longer static. (ctf_add_reftype): Likewise. * ctf-open.c (ctf_file_close): Destroy the ctf_dedup_atoms_alloc. * ctf-dedup.c: New file. * ctf-decls.h [!HAVE_DECL_STPCPY]: Add prototype. * configure.ac: Check for stpcpy. * Makefile.am: Add it. * Makefile.in: Regenerate. * config.h.in: Regenerate. * configure: Regenerate.
Diffstat (limited to 'libctf/ctf-open.c')
-rw-r--r--libctf/ctf-open.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libctf/ctf-open.c b/libctf/ctf-open.c
index 285e0e0..fee7789 100644
--- a/libctf/ctf-open.c
+++ b/libctf/ctf-open.c
@@ -1719,6 +1719,8 @@ ctf_file_close (ctf_file_t *fp)
ctf_dynhash_destroy (fp->ctf_link_in_cu_mapping);
ctf_dynhash_destroy (fp->ctf_link_out_cu_mapping);
ctf_dynhash_destroy (fp->ctf_add_processing);
+ ctf_dedup_fini (fp, NULL, 0);
+ ctf_dynset_destroy (fp->ctf_dedup_atoms_alloc);
for (err = ctf_list_next (&fp->ctf_errs_warnings); err != NULL; err = nerr)
{