/* ARGSUSED */
static int
dt_module_load_proc_build(void *arg, const prmap_t *prmap, const char *obj)
{
ctf_file_t *fp;
char buf[MAXPATHLEN], *p;
dt_module_cb_arg_t *dcp = arg;
int count = dcp->dpa_count;
Lmid_t lmid;
fp = Pname_to_ctf(dcp->dpa_proc, obj);
if (fp == NULL)
return (0);
fp = ctf_dup(fp);
if (fp == NULL)
return (0);
dcp->dpa_dmp->dm_libctfp[count] = fp;
/*
* While it'd be nice to simply use objname here, because of our prior
* actions we'll always get a resolved object name to its on disk file.
* Like the pid provider, we need to tell a bit of a lie here. The type
* that the user thinks of is in terms of the libraries they requested,
* eg. libc.so.1, they don't care about the fact that it's
* libc_hwcap.so.1.
*/
(void) Pobjname(dcp->dpa_proc, prmap->pr_vaddr, buf, sizeof (buf));
if ((p = strrchr(buf, '/')) == NULL)
p = buf;
else
p++;
/*
* If for some reason we can't find a link map id for this module, which
* would be really quite weird. We instead just say the link map id is
* zero.
*/
if (Plmid(dcp->dpa_proc, prmap->pr_vaddr, &lmid) != 0)
lmid = 0;
if (lmid == 0)
dcp->dpa_dmp->dm_libctfn[count] = strdup(p);
else
(void) asprintf(&dcp->dpa_dmp->dm_libctfn[count],
"LM%x`%s", lmid, p);
if (dcp->dpa_dmp->dm_libctfn[count] == NULL)
return (1);
ctf_setspecific(fp, dcp->dpa_dmp);
dcp->dpa_count++;
return (0);
}
ctf_file_t *
dt_module_getctf(dtrace_hdl_t *dtp, dt_module_t *dmp)
{
const char *parent;
dt_module_t *pmp;
ctf_file_t *pfp;
int model;
if (dmp->dm_ctfp != NULL || dt_module_load(dtp, dmp) != 0)
return (dmp->dm_ctfp);
if (dmp->dm_ops == &dt_modops_64)
model = CTF_MODEL_LP64;
else
model = CTF_MODEL_ILP32;
/*
* If the data model of the module does not match our program data
* model, then do not permit CTF from this module to be opened and
* returned to the compiler. If we support mixed data models in the
* future for combined kernel/user tracing, this can be removed.
*/
if (dtp->dt_conf.dtc_ctfmodel != model) {
(void) dt_set_errno(dtp, EDT_DATAMODEL);
return (NULL);
}
if (dmp->dm_ctdata.cts_size == 0) {
(void) dt_set_errno(dtp, EDT_NOCTF);
return (NULL);
}
dmp->dm_ctfp = ctf_bufopen(&dmp->dm_ctdata,
&dmp->dm_symtab, &dmp->dm_strtab, &dtp->dt_ctferr);
if (dmp->dm_ctfp == NULL) {
(void) dt_set_errno(dtp, EDT_CTF);
return (NULL);
}
(void) ctf_setmodel(dmp->dm_ctfp, model);
ctf_setspecific(dmp->dm_ctfp, dmp);
if ((parent = ctf_parent_name(dmp->dm_ctfp)) != NULL) {
if ((pmp = dt_module_create(dtp, parent)) == NULL ||
(pfp = dt_module_getctf(dtp, pmp)) == NULL) {
if (pmp == NULL)
(void) dt_set_errno(dtp, EDT_NOMEM);
goto err;
}
if (ctf_import(dmp->dm_ctfp, pfp) == CTF_ERR) {
dtp->dt_ctferr = ctf_errno(dmp->dm_ctfp);
(void) dt_set_errno(dtp, EDT_CTF);
goto err;
}
}
dt_dprintf("loaded CTF container for %s (%p)\n",
dmp->dm_name, (void *)dmp->dm_ctfp);
return (dmp->dm_ctfp);
err:
ctf_close(dmp->dm_ctfp);
dmp->dm_ctfp = NULL;
return (NULL);
}
ctf_file_t *
dt_module_getctf(dtrace_hdl_t *dtp, dt_module_t *dmp)
{
const char *parent;
dt_module_t *pmp;
ctf_file_t *pfp;
int model;
if (dmp->dm_ctfp != NULL || dt_module_load(dtp, dmp) != 0)
return (dmp->dm_ctfp);
if (dmp->dm_ops == &dt_modops_macho_64)
model = CTF_MODEL_LP64;
else if (dmp->dm_ops == &dt_modops_macho_32)
model = CTF_MODEL_ILP32;
else
if (dmp->dm_ops == &dt_modops_64)
model = CTF_MODEL_LP64;
else
model = CTF_MODEL_ILP32;
if (dmp->dm_ctdata.cts_size == 0) {
(void) dt_set_errno(dtp, EDT_NOCTF);
return (NULL);
}
dmp->dm_ctfp = ctf_bufopen(&dmp->dm_ctdata,
&dmp->dm_symtab, &dmp->dm_strtab, &dtp->dt_ctferr);
if (dmp->dm_ctfp == NULL) {
(void) dt_set_errno(dtp, EDT_CTF);
return (NULL);
}
(void) ctf_setmodel(dmp->dm_ctfp, model);
ctf_setspecific(dmp->dm_ctfp, dmp);
if ((parent = ctf_parent_name(dmp->dm_ctfp)) != NULL) {
if ((pmp = dt_module_create(dtp, parent)) == NULL ||
(pfp = dt_module_getctf(dtp, pmp)) == NULL) {
if (pmp == NULL)
(void) dt_set_errno(dtp, EDT_NOMEM);
goto err;
}
if (ctf_import(dmp->dm_ctfp, pfp) == CTF_ERR) {
dtp->dt_ctferr = ctf_errno(dmp->dm_ctfp);
(void) dt_set_errno(dtp, EDT_CTF);
goto err;
}
}
dt_dprintf("loaded CTF container for %s (%p)\n",
dmp->dm_name, (void *)dmp->dm_ctfp);
return (dmp->dm_ctfp);
err:
ctf_close(dmp->dm_ctfp);
dmp->dm_ctfp = NULL;
return (NULL);
}
