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MFV r258379;

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4248 dtrace(1M) should never create DOF with empty probes section
4249 Only probes from the first DTrace object file will be included

Illumos Revision:	4a20ab41aadcb81c53e72fc65886e964e9add59

Reference:
https://www.illumos.org/issues/4248
https://www.illumos.org/issues/4249

Obtained from:	Illumos
MFC after:	1 month
This commit is contained in:
Pedro F. Giffuni 2014-04-02 15:32:44 +00:00
parent c8660c1028
commit 23e4da439c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=264040
4 changed files with 28 additions and 13 deletions
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22
cddl/contrib/opensolaris/lib/libdtrace/common/dt_dof.c
View File

@ -22,6 +22,7 @@
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011 by Delphix. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
*/
#include <sys/types.h>
@ -486,7 +487,7 @@ dof_add_probe(dt_idhash_t *dhp, dt_ident_t *idp, void *data)
return (0);
}
static void
static int
dof_add_provider(dt_dof_t *ddo, const dt_provider_t *pvp)
{
dtrace_hdl_t *dtp = ddo->ddo_hdl;
@ -497,8 +498,12 @@ dof_add_provider(dt_dof_t *ddo, const dt_provider_t *pvp)
size_t sz;
id_t i;
if (pvp->pv_flags & DT_PROVIDER_IMPL)
return; /* ignore providers that are exported by dtrace(7D) */
if (pvp->pv_flags & DT_PROVIDER_IMPL) {
/*
* ignore providers that are exported by dtrace(7D)
*/
return (0);
}
nxr = dt_popcb(pvp->pv_xrefs, pvp->pv_xrmax);
dofs = alloca(sizeof (dof_secidx_t) * (nxr + 1));
@ -525,6 +530,9 @@ dof_add_provider(dt_dof_t *ddo, const dt_provider_t *pvp)
(void) dt_idhash_iter(pvp->pv_probes, dof_add_probe, ddo);
if (dt_buf_len(&ddo->ddo_probes) == 0)
return (dt_set_errno(dtp, EDT_NOPROBES));
dofpv.dofpv_probes = dof_add_lsect(ddo, NULL, DOF_SECT_PROBES,
sizeof (uint64_t), 0, sizeof (dof_probe_t),
dt_buf_len(&ddo->ddo_probes));
@ -579,6 +587,8 @@ dof_add_provider(dt_dof_t *ddo, const dt_provider_t *pvp)
sizeof (dof_secidx_t), 0, sizeof (dof_secidx_t),
sizeof (dof_secidx_t) * (nxr + 1));
}
return (0);
}
static int
@ -822,8 +832,10 @@ dtrace_dof_create(dtrace_hdl_t *dtp, dtrace_prog_t *pgp, uint_t flags)
*/
if (flags & DTRACE_D_PROBES) {
for (pvp = dt_list_next(&dtp->dt_provlist);
pvp != NULL; pvp = dt_list_next(pvp))
dof_add_provider(ddo, pvp);
pvp != NULL; pvp = dt_list_next(pvp)) {
if (dof_add_provider(ddo, pvp) != 0)
return (NULL);
}
}
/*

4
cddl/contrib/opensolaris/lib/libdtrace/common/dt_error.c
View File

@ -26,6 +26,7 @@
/*
* Copyright (c) 2012 by Delphix. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
*/
#include <string.h>
@ -109,7 +110,8 @@ static const struct {
{ EDT_BADSTACKPC, "Invalid stack program counter size" },
{ EDT_BADAGGVAR, "Invalid aggregation variable identifier" },
{ EDT_OVERSION, "Client requested deprecated version of library" },
{ EDT_ENABLING_ERR, "Failed to enable probe" }
{ EDT_ENABLING_ERR, "Failed to enable probe" },
{ EDT_NOPROBES, "No probe sites found for declared provider" }
};
static const int _dt_nerr = sizeof (_dt_errlist) / sizeof (_dt_errlist[0]);

5
cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h
View File

@ -25,7 +25,7 @@
*/
/*
* Copyright (c) 2011, Joyent, Inc. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
@ -535,7 +535,8 @@ enum {
EDT_BADSTACKPC, /* invalid stack program counter size */
EDT_BADAGGVAR, /* invalid aggregation variable identifier */
EDT_OVERSION, /* client is requesting deprecated version */
EDT_ENABLING_ERR /* failed to enable probe */
EDT_ENABLING_ERR, /* failed to enable probe */
EDT_NOPROBES /* no probes sites for declared provider */
};
/*

10
sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
View File

@ -22,9 +22,9 @@
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2012 by Delphix. All rights reserved
* Use is subject to license terms.
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
@ -14635,8 +14635,8 @@ dtrace_helper_provider_add(dof_helper_t *dofhp, int gen)
* Check to make sure this isn't a duplicate.
*/
for (i = 0; i < help->dthps_nprovs; i++) {
if (dofhp->dofhp_addr ==
help->dthps_provs[i]->dthp_prov.dofhp_addr)
if (dofhp->dofhp_dof ==
help->dthps_provs[i]->dthp_prov.dofhp_dof)
return (EALREADY);
}