svn commit: r278761 - in head: sys/kern usr.bin/gcore

[John Baldwin]

Author: jhb
Date: Sat Feb 14 17:12:31 2015
New Revision: 278761
URL: https://svnweb.freebsd.org/changeset/base/278761

Log:
  Include OBJT_PHYS VM objects in ELF core dumps. In particular this
  includes the shared page allowing debuggers to use the signal trampoline
  code to identify signal frames in core dumps.
  
  Differential Revision:	https://reviews.freebsd.org/D1828
  Reviewed by:	alc, kib
  MFC after:	1 week

Modified:
  head/sys/kern/imgact_elf.c
  head/usr.bin/gcore/elfcore.c

Modified: head/sys/kern/imgact_elf.c
==============================================================================
--- head/sys/kern/imgact_elf.c	Sat Feb 14 17:02:51 2015	(r278760)
+++ head/sys/kern/imgact_elf.c	Sat Feb 14 17:12:31 2015	(r278761)
@@ -1401,7 +1401,8 @@ each_writable_segment(td, func, closure)
 			object = backing_object;
 		}
 		ignore_entry = object->type != OBJT_DEFAULT &&
-		    object->type != OBJT_SWAP && object->type != OBJT_VNODE;
+		    object->type != OBJT_SWAP && object->type != OBJT_VNODE &&
+		    object->type != OBJT_PHYS;
 		VM_OBJECT_RUNLOCK(object);
 		if (ignore_entry)
 			continue;

Modified: head/usr.bin/gcore/elfcore.c
==============================================================================
--- head/usr.bin/gcore/elfcore.c	Sat Feb 14 17:02:51 2015	(r278760)
+++ head/usr.bin/gcore/elfcore.c	Sat Feb 14 17:12:31 2015	(r278761)
@@ -511,7 +511,8 @@ readmap(pid_t pid)
 		    ((pflags & PFLAGS_FULL) == 0 &&
 		    kve->kve_type != KVME_TYPE_DEFAULT &&
 		    kve->kve_type != KVME_TYPE_VNODE &&
-		    kve->kve_type != KVME_TYPE_SWAP))
+		    kve->kve_type != KVME_TYPE_SWAP &&
+		    kve->kve_type != KVME_TYPE_PHYS))
 			continue;
 
 		ent = calloc(1, sizeof(*ent));