Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 71 insertions, 0 deletions

diff --git a/pkg/sentry/memmap/BUILD b/pkg/sentry/memmap/BUILD
new file mode 100644
index 000000000..7525fea45
--- /dev/null
+++ b/pkg/sentry/memmap/BUILD
@@ -0,0 +1,71 @@
+package(licenses = ["notice"])  # Apache 2.0
+
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+load("//tools/go_generics:defs.bzl", "go_template_instance")
+load("//tools/go_stateify:defs.bzl", "go_stateify")
+
+go_stateify(
+    name = "memmap_state",
+    srcs = [
+        "mappable_range.go",
+        "mapping_set.go",
+        "mapping_set_impl.go",
+    ],
+    out = "memmap_state.go",
+    package = "memmap",
+)
+
+go_template_instance(
+    name = "mappable_range",
+    out = "mappable_range.go",
+    package = "memmap",
+    prefix = "Mappable",
+    template = "//pkg/segment:generic_range",
+    types = {
+        "T": "uint64",
+    },
+)
+
+go_template_instance(
+    name = "mapping_set_impl",
+    out = "mapping_set_impl.go",
+    package = "memmap",
+    prefix = "Mapping",
+    template = "//pkg/segment:generic_set",
+    types = {
+        "Key": "uint64",
+        "Range": "MappableRange",
+        "Value": "MappingsOfRange",
+        "Functions": "mappingSetFunctions",
+    },
+)
+
+go_library(
+    name = "memmap",
+    srcs = [
+        "mappable_range.go",
+        "mapping_set.go",
+        "mapping_set_impl.go",
+        "memmap.go",
+        "memmap_state.go",
+    ],
+    importpath = "gvisor.googlesource.com/gvisor/pkg/sentry/memmap",
+    visibility = ["//pkg/sentry:internal"],
+    deps = [
+        "//pkg/log",
+        "//pkg/refs",
+        "//pkg/sentry/context",
+        "//pkg/sentry/platform",
+        "//pkg/sentry/usermem",
+        "//pkg/state",
+        "//pkg/syserror",
+    ],
+)
+
+go_test(
+    name = "memmap_test",
+    size = "small",
+    srcs = ["mapping_set_test.go"],
+    embed = [":memmap"],
+    deps = ["//pkg/sentry/usermem"],
+)