/*
* Return the encoding for the specified INTEGER or FLOAT.
*/
int
ctf_type_encoding(ctf_file_t *fp, ctf_id_t type, ctf_encoding_t *ep)
{
ctf_file_t *ofp = fp;
const ctf_type_t *tp;
ssize_t increment;
uint_t data;
if ((tp = ctf_lookup_by_id(&fp, type)) == NULL)
return (CTF_ERR); /* errno is set for us */
(void) ctf_get_ctt_size(fp, tp, NULL, &increment);
switch (LCTF_INFO_KIND(fp, tp->ctt_info)) {
case CTF_K_INTEGER:
data = *(const uint_t *)((uintptr_t)tp + increment);
ep->cte_format = CTF_INT_ENCODING(data);
ep->cte_offset = CTF_INT_OFFSET(data);
ep->cte_bits = CTF_INT_BITS(data);
break;
case CTF_K_FLOAT:
data = *(const uint_t *)((uintptr_t)tp + increment);
ep->cte_format = CTF_FP_ENCODING(data);
ep->cte_offset = CTF_FP_OFFSET(data);
ep->cte_bits = CTF_FP_BITS(data);
break;
default:
return (ctf_set_errno(ofp, ECTF_NOTINTFP));
}
return (0);
}
static void
resurrect_types(ctf_header_t *h, tdata_t *td, tdesc_t **tdarr, int tdsize,
caddr_t ctfdata, int maxid)
{
caddr_t buf = ctfdata + h->cth_typeoff;
size_t bufsz = h->cth_stroff - h->cth_typeoff;
caddr_t sbuf = ctfdata + h->cth_stroff;
caddr_t dptr = buf;
tdesc_t *tdp;
uint_t data;
uint_t encoding;
size_t size, increment;
int tcnt;
int iicnt = 0;
tid_t tid, argid;
int kind, vlen;
int i;
elist_t **epp;
mlist_t **mpp;
intr_t *ip;
ctf_type_t *ctt;
ctf_array_t *cta;
ctf_enum_t *cte;
/*
* A maxid of zero indicates a request to resurrect all types, so reset
* maxid to the maximum type id.
*/
if (maxid == 0)
maxid = CTF_MAX_TYPE;
for (dptr = buf, tcnt = 0, tid = 1; dptr < buf + bufsz; tcnt++, tid++) {
if (tid > maxid)
break;
if (tid >= tdsize)
parseterminate("Reference to invalid type %d", tid);
void *v = (void *) dptr;
ctt = v;
get_ctt_size(ctt, &size, &increment);
dptr += increment;
tdp = tdarr[tid];
if (CTF_NAME_STID(ctt->ctt_name) != CTF_STRTAB_0)
parseterminate(
"Unable to cope with non-zero strtab id");
if (CTF_NAME_OFFSET(ctt->ctt_name) != 0) {
tdp->t_name =
xstrdup(sbuf + CTF_NAME_OFFSET(ctt->ctt_name));
} else
tdp->t_name = NULL;
kind = CTF_INFO_KIND(ctt->ctt_info);
vlen = CTF_INFO_VLEN(ctt->ctt_info);
switch (kind) {
case CTF_K_INTEGER:
tdp->t_type = INTRINSIC;
tdp->t_size = size;
v = (void *) dptr;
data = *((uint_t *)v);
dptr += sizeof (uint_t);
encoding = CTF_INT_ENCODING(data);
ip = xmalloc(sizeof (intr_t));
ip->intr_type = INTR_INT;
ip->intr_signed = (encoding & CTF_INT_SIGNED) ? 1 : 0;
if (encoding & CTF_INT_CHAR)
ip->intr_iformat = 'c';
else if (encoding & CTF_INT_BOOL)
ip->intr_iformat = 'b';
else if (encoding & CTF_INT_VARARGS)
ip->intr_iformat = 'v';
else
ip->intr_iformat = '\0';
ip->intr_offset = CTF_INT_OFFSET(data);
ip->intr_nbits = CTF_INT_BITS(data);
tdp->t_intr = ip;
break;
case CTF_K_FLOAT:
tdp->t_type = INTRINSIC;
tdp->t_size = size;
v = (void *) dptr;
data = *((uint_t *)v);
dptr += sizeof (uint_t);
ip = xcalloc(sizeof (intr_t));
ip->intr_type = INTR_REAL;
ip->intr_fformat = CTF_FP_ENCODING(data);
ip->intr_offset = CTF_FP_OFFSET(data);
ip->intr_nbits = CTF_FP_BITS(data);
tdp->t_intr = ip;
break;
case CTF_K_POINTER:
tdp->t_type = POINTER;
tdp->t_tdesc = tdarr[ctt->ctt_type];
break;
case CTF_K_ARRAY:
tdp->t_type = ARRAY;
tdp->t_size = size;
v = (void *) dptr;
cta = v;
dptr += sizeof (ctf_array_t);
tdp->t_ardef = xmalloc(sizeof (ardef_t));
tdp->t_ardef->ad_contents = tdarr[cta->cta_contents];
tdp->t_ardef->ad_idxtype = tdarr[cta->cta_index];
tdp->t_ardef->ad_nelems = cta->cta_nelems;
break;
case CTF_K_STRUCT:
case CTF_K_UNION:
tdp->t_type = (kind == CTF_K_STRUCT ? STRUCT : UNION);
tdp->t_size = size;
if (size < CTF_LSTRUCT_THRESH) {
for (i = 0, mpp = &tdp->t_members; i < vlen;
i++, mpp = &((*mpp)->ml_next)) {
v = (void *) dptr;
ctf_member_t *ctm = v;
dptr += sizeof (ctf_member_t);
*mpp = xmalloc(sizeof (mlist_t));
(*mpp)->ml_name = xstrdup(sbuf +
ctm->ctm_name);
(*mpp)->ml_type = tdarr[ctm->ctm_type];
(*mpp)->ml_offset = ctm->ctm_offset;
(*mpp)->ml_size = 0;
if (ctm->ctm_type > ntypes) {
parseterminate("Invalid member type ctm_type=%d",
ctm->ctm_type);
}
}
} else {
for (i = 0, mpp = &tdp->t_members; i < vlen;
i++, mpp = &((*mpp)->ml_next)) {
v = (void *) dptr;
ctf_lmember_t *ctlm = v;
dptr += sizeof (ctf_lmember_t);
*mpp = xmalloc(sizeof (mlist_t));
(*mpp)->ml_name = xstrdup(sbuf +
ctlm->ctlm_name);
(*mpp)->ml_type =
tdarr[ctlm->ctlm_type];
(*mpp)->ml_offset =
(int)CTF_LMEM_OFFSET(ctlm);
(*mpp)->ml_size = 0;
if (ctlm->ctlm_type > ntypes) {
parseterminate("Invalid lmember type ctlm_type=%d",
ctlm->ctlm_type);
}
}
}
*mpp = NULL;
break;
case CTF_K_ENUM:
tdp->t_type = ENUM;
tdp->t_size = size;
for (i = 0, epp = &tdp->t_emem; i < vlen;
i++, epp = &((*epp)->el_next)) {
v = (void *) dptr;
cte = v;
dptr += sizeof (ctf_enum_t);
*epp = xmalloc(sizeof (elist_t));
(*epp)->el_name = xstrdup(sbuf + cte->cte_name);
(*epp)->el_number = cte->cte_value;
}
*epp = NULL;
break;
case CTF_K_FORWARD:
tdp->t_type = FORWARD;
list_add(&td->td_fwdlist, tdp);
break;
case CTF_K_TYPEDEF:
tdp->t_type = TYPEDEF;
tdp->t_tdesc = tdarr[ctt->ctt_type];
break;
case CTF_K_VOLATILE:
tdp->t_type = VOLATILE;
tdp->t_tdesc = tdarr[ctt->ctt_type];
break;
case CTF_K_CONST:
tdp->t_type = CONST;
tdp->t_tdesc = tdarr[ctt->ctt_type];
break;
case CTF_K_FUNCTION:
tdp->t_type = FUNCTION;
tdp->t_fndef = xcalloc(sizeof (fndef_t));
tdp->t_fndef->fn_ret = tdarr[ctt->ctt_type];
v = (void *) (dptr + (sizeof (ushort_t) * (vlen - 1)));
if (vlen > 0 && *(ushort_t *)v == 0)
tdp->t_fndef->fn_vargs = 1;
tdp->t_fndef->fn_nargs = vlen - tdp->t_fndef->fn_vargs;
tdp->t_fndef->fn_args = xcalloc(sizeof (tdesc_t) *
vlen - tdp->t_fndef->fn_vargs);
for (i = 0; i < vlen; i++) {
v = (void *) dptr;
argid = *(ushort_t *)v;
dptr += sizeof (ushort_t);
if (argid != 0)
tdp->t_fndef->fn_args[i] = tdarr[argid];
}
if (vlen & 1)
dptr += sizeof (ushort_t);
break;
case CTF_K_RESTRICT:
tdp->t_type = RESTRICT;
tdp->t_tdesc = tdarr[ctt->ctt_type];
break;
case CTF_K_UNKNOWN:
break;
default:
warning("Can't parse unknown CTF type %d\n", kind);
}
if (CTF_INFO_ISROOT(ctt->ctt_info)) {
iidesc_t *ii = iidesc_new(tdp->t_name);
if (tdp->t_type == STRUCT || tdp->t_type == UNION ||
tdp->t_type == ENUM)
ii->ii_type = II_SOU;
else
ii->ii_type = II_TYPE;
ii->ii_dtype = tdp;
hash_add(td->td_iihash, ii);
iicnt++;
}
debug(3, "Resurrected %d %stype %s (%d)\n", tdp->t_type,
(CTF_INFO_ISROOT(ctt->ctt_info) ? "root " : ""),
tdesc_name(tdp), tdp->t_id);
}
debug(3, "Resurrected %d types (%d were roots)\n", tcnt, iicnt);
}
static int
read_types(const ctf_header_t *hp, const ctf_data_t *cd)
{
/* LINTED - pointer alignment */
const ctf_type_t *tp = (ctf_type_t *)(cd->cd_ctfdata + hp->cth_typeoff);
/* LINTED - pointer alignment */
const ctf_type_t *end = (ctf_type_t *)(cd->cd_ctfdata + hp->cth_stroff);
ulong_t id;
if (flags != F_STATS)
print_line("- Types ");
if (hp->cth_typeoff & 3)
WARN("cth_typeoff is not aligned properly\n");
if (hp->cth_typeoff >= cd->cd_ctflen)
WARN("file is truncated or cth_typeoff is corrupt\n");
if (hp->cth_stroff >= cd->cd_ctflen)
WARN("file is truncated or cth_stroff is corrupt\n");
if (hp->cth_typeoff > hp->cth_stroff)
WARN("file is corrupt -- cth_typeoff > cth_stroff\n");
id = 1;
if (hp->cth_parlabel || hp->cth_parname)
id += 1 << CTF_PARENT_SHIFT;
for (/* */; tp < end; id++) {
ulong_t i, n = CTF_INFO_VLEN(tp->ctt_info);
size_t size, increment, vlen = 0;
int kind = CTF_INFO_KIND(tp->ctt_info);
union {
const void *ptr;
const ctf_array_t *ap;
const ctf_member_t *mp;
const ctf_lmember_t *lmp;
const ctf_enum_t *ep;
const ushort_t *argp;
} u;
if (flags != F_STATS) {
(void) printf(" %c%lu%c ",
"[<"[CTF_INFO_ISROOT(tp->ctt_info)], id,
"]>"[CTF_INFO_ISROOT(tp->ctt_info)]);
}
if (tp->ctt_size == CTF_LSIZE_SENT) {
increment = sizeof (ctf_type_t);
size = (size_t)CTF_TYPE_LSIZE(tp);
} else {
increment = sizeof (ctf_stype_t);
size = tp->ctt_size;
}
u.ptr = (caddr_t)tp + increment;
switch (kind) {
case CTF_K_INTEGER:
if (flags != F_STATS) {
uint_t encoding = *((const uint_t *)u.ptr);
(void) printf("INTEGER %s encoding=%s offset=%u"
" bits=%u", ref_to_str(tp->ctt_name, hp,
cd), int_encoding_to_str(
CTF_INT_ENCODING(encoding)),
CTF_INT_OFFSET(encoding),
CTF_INT_BITS(encoding));
}
vlen = sizeof (uint_t);
break;
case CTF_K_FLOAT:
if (flags != F_STATS) {
uint_t encoding = *((const uint_t *)u.ptr);
(void) printf("FLOAT %s encoding=%s offset=%u "
"bits=%u", ref_to_str(tp->ctt_name, hp,
cd), fp_encoding_to_str(
CTF_FP_ENCODING(encoding)),
CTF_FP_OFFSET(encoding),
CTF_FP_BITS(encoding));
}
vlen = sizeof (uint_t);
break;
case CTF_K_POINTER:
if (flags != F_STATS) {
(void) printf("POINTER %s refers to %u",
ref_to_str(tp->ctt_name, hp, cd),
tp->ctt_type);
}
break;
case CTF_K_ARRAY:
if (flags != F_STATS) {
(void) printf("ARRAY %s content: %u index: %u "
"nelems: %u\n", ref_to_str(tp->ctt_name,
hp, cd), u.ap->cta_contents,
u.ap->cta_index, u.ap->cta_nelems);
}
vlen = sizeof (ctf_array_t);
break;
case CTF_K_FUNCTION:
if (flags != F_STATS) {
(void) printf("FUNCTION %s returns: %u args: (",
ref_to_str(tp->ctt_name, hp, cd),
tp->ctt_type);
if (n != 0) {
(void) printf("%u", *u.argp++);
for (i = 1; i < n; i++, u.argp++)
(void) printf(", %u", *u.argp);
}
(void) printf(")");
}
vlen = sizeof (ushort_t) * (n + (n & 1));
break;
case CTF_K_STRUCT:
case CTF_K_UNION:
if (kind == CTF_K_STRUCT) {
stats.s_nsmem += n;
stats.s_smmax = MAX(stats.s_smmax, n);
stats.s_nsbytes += size;
stats.s_sbmax = MAX(stats.s_sbmax, size);
if (flags != F_STATS)
(void) printf("STRUCT");
} else {
stats.s_numem += n;
stats.s_ummax = MAX(stats.s_ummax, n);
stats.s_nubytes += size;
stats.s_ubmax = MAX(stats.s_ubmax, size);
if (flags != F_STATS)
(void) printf("UNION");
}
if (flags != F_STATS) {
(void) printf(" %s (%d bytes)\n",
ref_to_str(tp->ctt_name, hp, cd), size);
if (size >= CTF_LSTRUCT_THRESH) {
for (i = 0; i < n; i++, u.lmp++) {
(void) printf(
"\t%s type=%u off=%llu\n",
ref_to_str(u.lmp->ctlm_name,
hp, cd), u.lmp->ctlm_type,
CTF_LMEM_OFFSET(u.lmp));
}
} else {
for (i = 0; i < n; i++, u.mp++) {
(void) printf(
"\t%s type=%u off=%u\n",
ref_to_str(u.mp->ctm_name,
hp, cd), u.mp->ctm_type,
u.mp->ctm_offset);
}
}
}
vlen = n * (size >= CTF_LSTRUCT_THRESH ?
sizeof (ctf_lmember_t) : sizeof (ctf_member_t));
break;
case CTF_K_ENUM:
if (flags != F_STATS) {
(void) printf("ENUM %s\n",
ref_to_str(tp->ctt_name, hp, cd));
for (i = 0; i < n; i++, u.ep++) {
(void) printf("\t%s = %d\n",
ref_to_str(u.ep->cte_name, hp, cd),
u.ep->cte_value);
}
}
stats.s_nemem += n;
stats.s_emmax = MAX(stats.s_emmax, n);
vlen = sizeof (ctf_enum_t) * n;
break;
case CTF_K_FORWARD:
if (flags != F_STATS) {
(void) printf("FORWARD %s",
ref_to_str(tp->ctt_name, hp, cd));
}
break;
case CTF_K_TYPEDEF:
if (flags != F_STATS) {
(void) printf("TYPEDEF %s refers to %u",
ref_to_str(tp->ctt_name, hp, cd),
tp->ctt_type);
}
break;
case CTF_K_VOLATILE:
if (flags != F_STATS) {
(void) printf("VOLATILE %s refers to %u",
ref_to_str(tp->ctt_name, hp, cd),
tp->ctt_type);
}
break;
case CTF_K_CONST:
if (flags != F_STATS) {
(void) printf("CONST %s refers to %u",
ref_to_str(tp->ctt_name, hp, cd),
tp->ctt_type);
}
break;
case CTF_K_RESTRICT:
if (flags != F_STATS) {
(void) printf("RESTRICT %s refers to %u",
ref_to_str(tp->ctt_name, hp, cd),
tp->ctt_type);
}
break;
case CTF_K_UNKNOWN:
break; /* hole in type id space */
default:
(void) printf("unexpected kind %u\n", kind);
return (E_ERROR);
}
if (flags != F_STATS)
(void) printf("\n");
stats.s_ntypes++;
stats.s_types[kind]++;
tp = (ctf_type_t *)((uintptr_t)tp + increment + vlen);
}
return (E_SUCCESS);
}