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elf_helper: support for objects in user memory

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Some forthcoming kernel object types like futexes need to
be tracked, but do not contain data that is private to
the kernel.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2019-03-27 14:27:24 -07:00 • committed by Anas Nashif
commit c235e167fa
3 changed files with 40 additions and 30 deletions
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18
scripts/elf_helper.py
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@ -471,14 +471,6 @@ class ElfHelper:
# Never linked; gc-sections deleted it
continue
if ((addr < kram_start or addr >= kram_end) and
(addr < krom_start or addr >= krom_end)):
self.debug_die(die,
"object '%s' found in invalid location %s"
% (name, hex(addr)))
continue
type_obj = type_env[type_offset]
objs = type_obj.get_kobjects(addr)
all_objs.update(objs)
@ -497,6 +489,16 @@ class ElfHelper:
if ko.type_obj.api:
continue
_, user_ram_allowed = kobjects[ko.type_obj.name]
if (not user_ram_allowed and
(addr < kram_start or addr >= kram_end) and
(addr < krom_start or addr >= krom_end)):
self.debug_die(die,
"object '%s' found in invalid location %s"
% (name, hex(addr)))
continue
if ko.type_obj.name != "device":
# Not a device struct so we immediately know its type
ko.type_name = kobject_to_enum(ko.type_obj.name)