FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
linux/scripts/gdb/linux/vmalloc.py at multikernel-riscv · multikernel/linux · GitHub
multikernel
linux
Repository navigation
Code
Issues
28
(28)
Pull requests
8
(8)
Actions
Projects
Security and quality
Insights
Expand file tree
Breadcrumbs
linux
/
scripts
/
gdb
/
linux
/
vmalloc.py
Copy path
More file actions
More file actions
Latest commit
History
History
History
62 lines (54 loc) · 2.33 KB
Breadcrumbs
linux
/
scripts
/
gdb
/
linux
/
vmalloc.py
Copy path
File metadata and controls
62 lines (54 loc) · 2.33 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2023 MediaTek Inc.
#
# Authors:
# Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
#
import
gdb
import
re
from
linux
import
lists
,
utils
,
stackdepot
,
constants
,
mm
if
constants
.
LX_CONFIG_MMU
:
vmap_area_type
=
utils
.
CachedType
(
'struct vmap_area'
)
vmap_area_ptr_type
=
vmap_area_type
.
get_type
().
pointer
()
def
is_vmalloc_addr
(
x
):
pg_ops
=
mm
.
page_ops
().
ops
addr
=
pg_ops
.
kasan_reset_tag
(
x
)
return
addr
>=
pg_ops
.
VMALLOC_START
and
addr
<
pg_ops
.
VMALLOC_END
class
LxVmallocInfo
(
gdb
.
Command
):
"""Show vmallocinfo"""
def
__init__
(
self
):
super
(
LxVmallocInfo
,
self
).
__init__
(
"lx-vmallocinfo"
,
gdb
.
COMMAND_DATA
)
def
invoke
(
self
,
arg
,
from_tty
):
if
not
constants
.
LX_CONFIG_MMU
:
raise
gdb
.
GdbError
(
"Requires MMU support"
)
nr_vmap_nodes
=
gdb
.
parse_and_eval
(
'nr_vmap_nodes'
)
for
i
in
range
(
0
,
nr_vmap_nodes
):
vn
=
gdb
.
parse_and_eval
(
'&vmap_nodes[%d]'
%
i
)
for
vmap_area
in
lists
.
list_for_each_entry
(
vn
[
'busy'
][
'head'
],
vmap_area_ptr_type
,
"list"
):
if
not
vmap_area
[
'vm'
]:
gdb
.
write
(
"0x%x-0x%x %10d vm_map_ram
\n
"
%
(
vmap_area
[
'va_start'
],
vmap_area
[
'va_end'
],
vmap_area
[
'va_end'
]
-
vmap_area
[
'va_start'
]))
continue
v
=
vmap_area
[
'vm'
]
gdb
.
write
(
"0x%x-0x%x %10d"
%
(
v
[
'addr'
],
v
[
'addr'
]
+
v
[
'size'
],
v
[
'size'
]))
if
v
[
'caller'
]:
gdb
.
write
(
" %s"
%
str
(
v
[
'caller'
]).
split
(
' '
)[
-
1
])
if
v
[
'nr_pages'
]:
gdb
.
write
(
" pages=%d"
%
v
[
'nr_pages'
])
if
v
[
'phys_addr'
]:
gdb
.
write
(
" phys=0x%x"
%
v
[
'phys_addr'
])
if
v
[
'flags'
]
&
constants
.
LX_VM_IOREMAP
:
gdb
.
write
(
" ioremap"
)
if
v
[
'flags'
]
&
constants
.
LX_VM_ALLOC
:
gdb
.
write
(
" vmalloc"
)
if
v
[
'flags'
]
&
constants
.
LX_VM_MAP
:
gdb
.
write
(
" vmap"
)
if
v
[
'flags'
]
&
constants
.
LX_VM_USERMAP
:
gdb
.
write
(
" user"
)
if
v
[
'flags'
]
&
constants
.
LX_VM_DMA_COHERENT
:
gdb
.
write
(
" dma-coherent"
)
if
is_vmalloc_addr
(
v
[
'pages'
]):
gdb
.
write
(
" vpages"
)
gdb
.
write
(
"
\n
"
)
LxVmallocInfo
()
Back
|
FazBrowse Home
|
New Git URL