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Revert "libctf: do not corrupt strings across ctf_serialize"

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This reverts commit 986e9e3aa0.

(We do not revert the testcase -- it remains valid -- but we are
taking a different, less complex and more robust approach.)

This also deletes the pending refs abstraction without (yet)
replacing it, so some tests will fail for a commit or two.
This commit is contained in:
Nick Alcock
2024-01-30 13:40:56 +00:00
parent 629acbe4a3
commit 3301ddba1b
5 changed files with 14 additions and 125 deletions
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6
libctf/ctf-impl.h
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@@ -383,8 +383,7 @@ struct ctf_dict
ctf_dynhash_t *ctf_names; /* Hash table of remaining type names. */
ctf_lookup_t ctf_lookups[5]; /* Pointers to nametabs for name lookup. */
ctf_strs_t ctf_str[2]; /* Array of string table base and bounds. */
ctf_dynhash_t *ctf_str_atoms; /* Hash table of ctf_str_atoms_t. */
ctf_dynset_t *ctf_str_pending_ref; /* Locations awaiting ref addition. */
ctf_dynhash_t *ctf_str_atoms; /* Hash table of ctf_str_atoms_t. */
uint64_t ctf_str_num_refs; /* Number of refs to cts_str_atoms. */
uint32_t ctf_str_prov_offset; /* Latest provisional offset assigned so far. */
unsigned char *ctf_base; /* CTF file pointer. */
@@ -664,7 +663,6 @@ extern int ctf_dynset_insert (ctf_dynset_t *, void *);
extern void ctf_dynset_remove (ctf_dynset_t *, const void *);
extern void ctf_dynset_destroy (ctf_dynset_t *);
extern void *ctf_dynset_lookup (ctf_dynset_t *, const void *);
extern size_t ctf_dynset_elements (ctf_dynset_t *);
extern int ctf_dynset_exists (ctf_dynset_t *, const void *key,
const void **orig_key);
extern int ctf_dynset_next (ctf_dynset_t *, ctf_next_t **, void **key);
@@ -727,8 +725,6 @@ extern int ctf_str_create_atoms (ctf_dict_t *);
extern void ctf_str_free_atoms (ctf_dict_t *);
extern uint32_t ctf_str_add (ctf_dict_t *, const char *);
extern uint32_t ctf_str_add_ref (ctf_dict_t *, const char *, uint32_t *ref);
extern uint32_t ctf_str_add_pending (ctf_dict_t *, const char *, uint32_t *);
extern int ctf_str_move_pending (ctf_dict_t *, uint32_t *, ptrdiff_t);
extern int ctf_str_add_external (ctf_dict_t *, const char *, uint32_t offset);
extern void ctf_str_remove_ref (ctf_dict_t *, const char *, uint32_t *ref);
extern void ctf_str_rollback (ctf_dict_t *, ctf_snapshot_id_t);