diff options
Diffstat (limited to 'libctf')
| -rw-r--r-- | libctf/ChangeLog | 6 | ||||
| -rw-r--r-- | libctf/ctf-dump.c | 5 | ||||
| -rw-r--r-- | libctf/ctf-types.c | 8 |
3 files changed, 17 insertions, 2 deletions
diff --git a/libctf/ChangeLog b/libctf/ChangeLog index 2d80e78..d19327e 100644 --- a/libctf/ChangeLog +++ b/libctf/ChangeLog @@ -1,5 +1,11 @@ 2021-03-18 Nick Alcock <nick.alcock@oracle.com> + * ctf-types.c (ctf_type_encoding): Support, after a fashion, for enums. + * ctf-dump.c (ctf_dump_format_type): Do not report enums' degenerate + encoding. + +2021-03-18 Nick Alcock <nick.alcock@oracle.com> + * ctf-dedup.c (ctf_dedup_rhash_type): Report errors on the input dict properly. * ctf-open.c (ctf_bufopen_internal): Report errors initializing diff --git a/libctf/ctf-dump.c b/libctf/ctf-dump.c index 409626a..8540212 100644 --- a/libctf/ctf-dump.c +++ b/libctf/ctf-dump.c @@ -142,7 +142,10 @@ ctf_dump_format_type (ctf_dict_t *fp, ctf_id_t id, int flag) unsliced_kind = ctf_type_kind_unsliced (fp, id); kind = ctf_type_kind (fp, id); - if (ctf_type_encoding (fp, id, &ep) == 0) + /* Report encodings of everything with an encoding other than enums: + base-type enums cannot have a nonzero cte_offset or cte_bits value. + (Slices of them can, but they are of kind CTF_K_SLICE.) */ + if (unsliced_kind != CTF_K_ENUM && ctf_type_encoding (fp, id, &ep) == 0) { if ((ssize_t) ep.cte_bits != ctf_type_size (fp, id) * CHAR_BIT && flag & CTF_FT_BITFIELD) diff --git a/libctf/ctf-types.c b/libctf/ctf-types.c index ed76eca..9afe06b 100644 --- a/libctf/ctf-types.c +++ b/libctf/ctf-types.c @@ -1157,7 +1157,7 @@ ctf_type_pointer (ctf_dict_t *fp, ctf_id_t type) return (ctf_set_errno (ofp, ECTF_NOTYPE)); } -/* Return the encoding for the specified INTEGER or FLOAT. */ +/* Return the encoding for the specified INTEGER, FLOAT, or ENUM. */ int ctf_type_encoding (ctf_dict_t *fp, ctf_id_t type, ctf_encoding_t *ep) @@ -1194,6 +1194,12 @@ ctf_type_encoding (ctf_dict_t *fp, ctf_id_t type, ctf_encoding_t *ep) ep->cte_offset = CTF_FP_OFFSET (data); ep->cte_bits = CTF_FP_BITS (data); break; + case CTF_K_ENUM: + /* v3 only: we must guess at the underlying integral format. */ + ep->cte_format = CTF_INT_SIGNED; + ep->cte_offset = 0; + ep->cte_bits = 0; + break; case CTF_K_SLICE: { const ctf_slice_t *slice; |