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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
load("//tools:defs.bzl", "go_library", "go_test")
load("//tools/go_generics:defs.bzl", "go_template", "go_template_instance")
package(licenses = ["notice"])
[
# These files are tagged with relevant build architectures. We can always
# build all the input files, which will be included only in the relevant
# architecture builds.
go_template(
name = "generic_walker_%s" % arch,
srcs = [
"walker_generic.go",
"walker_%s.go" % arch,
],
opt_types = [
"Visitor",
],
visibility = [":__pkg__"],
)
for arch in ("amd64", "arm64")
]
[
# See above.
go_template_instance(
name = "walker_%s_%s" % (op, arch),
out = "walker_%s_%s.go" % (op, arch),
package = "pagetables",
prefix = op,
template = ":generic_walker_%s" % arch,
types = {
"Visitor": "%sVisitor" % op,
},
)
for op in ("map", "unmap", "lookup", "empty", "check")
for arch in ("amd64", "arm64")
]
go_library(
name = "pagetables",
srcs = [
"allocator.go",
"allocator_unsafe.go",
"pagetables.go",
"pagetables_aarch64.go",
"pagetables_amd64.go",
"pagetables_arm64.go",
"pagetables_x86.go",
"pcids.go",
"pcids_aarch64.go",
"pcids_aarch64.s",
"pcids_x86.go",
"walker_amd64.go",
"walker_arm64.go",
"walker_generic.go",
":walker_empty_amd64",
":walker_empty_arm64",
":walker_lookup_amd64",
":walker_lookup_arm64",
":walker_map_amd64",
":walker_map_arm64",
":walker_unmap_amd64",
":walker_unmap_arm64",
],
visibility = [
"//pkg/ring0:__subpackages__",
"//pkg/sentry/platform/kvm:__subpackages__",
],
deps = [
"//pkg/sync",
"//pkg/usermem",
],
)
go_test(
name = "pagetables_test",
size = "small",
srcs = [
"pagetables_amd64_test.go",
"pagetables_arm64_test.go",
"pagetables_test.go",
":walker_check_amd64",
":walker_check_arm64",
],
library = ":pagetables",
deps = ["//pkg/usermem"],
)
|
