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Code Issues Releases Activity

Include OBJT_PHYS VM objects in ELF core dumps. In particular this

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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
This commit is contained in:
John Baldwin 2015-02-14 17:12:31 +00:00
parent 1b76e0b732
commit bc411bc2d0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=278761
2 changed files with 4 additions and 2 deletions
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3
sys/kern/imgact_elf.c
View File

@ -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;

3
usr.bin/gcore/elfcore.c
View File

@ -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));