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libctf, types: allow ctf_type_reference of dynamic slices

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One spot was missed when we rejigged ctf_update into ctf_serialize and
allowed all operations on dynamic containers: ctf_type_reference of
slices.  A dynamic slice's vlen state is stored in the dtu_slice member,
so fetch it from there.

libctf/
	* ctf-types.c (ctf_type_reference): Add support for dynamic slices.
This commit is contained in:
Nick Alcock 2020-06-02 20:25:02 +01:00
parent 9943fa3a73
commit 437061996d
2 changed files with 16 additions and 3 deletions
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15
libctf/ctf-types.c
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@ -680,10 +680,19 @@ ctf_type_reference (ctf_file_t *fp, ctf_id_t type)
/* Slices store their type in an unusual place. */
case CTF_K_SLICE:
{
ctf_dtdef_t *dtd;
const ctf_slice_t *sp;
ssize_t increment;
(void) ctf_get_ctt_size (fp, tp, NULL, &increment);
sp = (const ctf_slice_t *) ((uintptr_t) tp + increment);
if ((dtd = ctf_dynamic_type (ofp, type)) == NULL)
{
ssize_t increment;
(void) ctf_get_ctt_size (fp, tp, NULL, &increment);
sp = (const ctf_slice_t *) ((uintptr_t) tp + increment);
}
else
sp = &dtd->dtd_u.dtu_slice;
return sp->cts_type;
}
default: