Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 149 insertions, 0 deletions

diff --git a/pkg/sentry/fs/fsutil/BUILD b/pkg/sentry/fs/fsutil/BUILD
new file mode 100644
index 000000000..4fa6395f7
--- /dev/null
+++ b/pkg/sentry/fs/fsutil/BUILD
@@ -0,0 +1,149 @@
+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 = "fsutil_state",
+    srcs = [
+        "dirty_set_impl.go",
+        "file.go",
+        "file_range_set_impl.go",
+        "frame_ref_set_impl.go",
+        "handle.go",
+        "host_file_mapper.go",
+        "host_file_mapper_state.go",
+        "inode.go",
+        "inode_cached.go",
+    ],
+    out = "fsutil_state.go",
+    package = "fsutil",
+)
+
+go_template_instance(
+    name = "dirty_set_impl",
+    out = "dirty_set_impl.go",
+    imports = {
+        "memmap": "gvisor.googlesource.com/gvisor/pkg/sentry/memmap",
+        "platform": "gvisor.googlesource.com/gvisor/pkg/sentry/platform",
+    },
+    package = "fsutil",
+    prefix = "Dirty",
+    template = "//pkg/segment:generic_set",
+    types = {
+        "Key": "uint64",
+        "Range": "memmap.MappableRange",
+        "Value": "DirtyInfo",
+        "Functions": "dirtySetFunctions",
+    },
+)
+
+go_template_instance(
+    name = "frame_ref_set_impl",
+    out = "frame_ref_set_impl.go",
+    imports = {
+        "platform": "gvisor.googlesource.com/gvisor/pkg/sentry/platform",
+    },
+    package = "fsutil",
+    prefix = "frameRef",
+    template = "//pkg/segment:generic_set",
+    types = {
+        "Key": "uint64",
+        "Range": "platform.FileRange",
+        "Value": "uint64",
+        "Functions": "frameRefSetFunctions",
+    },
+)
+
+go_template_instance(
+    name = "file_range_set_impl",
+    out = "file_range_set_impl.go",
+    imports = {
+        "memmap": "gvisor.googlesource.com/gvisor/pkg/sentry/memmap",
+        "platform": "gvisor.googlesource.com/gvisor/pkg/sentry/platform",
+    },
+    package = "fsutil",
+    prefix = "FileRange",
+    template = "//pkg/segment:generic_set",
+    types = {
+        "Key": "uint64",
+        "Range": "memmap.MappableRange",
+        "Value": "uint64",
+        "Functions": "fileRangeSetFunctions",
+    },
+)
+
+go_library(
+    name = "fsutil",
+    srcs = [
+        "dirty_set.go",
+        "dirty_set_impl.go",
+        "file.go",
+        "file_range_set.go",
+        "file_range_set_impl.go",
+        "frame_ref_set.go",
+        "frame_ref_set_impl.go",
+        "fsutil.go",
+        "fsutil_state.go",
+        "handle.go",
+        "host_file_mapper.go",
+        "host_file_mapper_state.go",
+        "host_file_mapper_unsafe.go",
+        "inode.go",
+        "inode_cached.go",
+    ],
+    importpath = "gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil",
+    visibility = ["//pkg/sentry:internal"],
+    deps = [
+        "//pkg/abi/linux",
+        "//pkg/log",
+        "//pkg/sentry/arch",
+        "//pkg/sentry/context",
+        "//pkg/sentry/device",
+        "//pkg/sentry/fs",
+        "//pkg/sentry/kernel/time",
+        "//pkg/sentry/memmap",
+        "//pkg/sentry/platform",
+        "//pkg/sentry/safemem",
+        "//pkg/sentry/usage",
+        "//pkg/sentry/usermem",
+        "//pkg/state",
+        "//pkg/syserror",
+        "//pkg/tcpip/transport/unix",
+        "//pkg/waiter",
+    ],
+)
+
+go_test(
+    name = "fsutil_x_test",
+    size = "small",
+    srcs = ["handle_test.go"],
+    deps = [
+        ":fsutil",
+        "//pkg/sentry/context",
+        "//pkg/sentry/context/contexttest",
+        "//pkg/sentry/fs",
+        "//pkg/sentry/fs/ramfs/test",
+        "//pkg/sentry/usermem",
+    ],
+)
+
+go_test(
+    name = "fsutil_test",
+    size = "small",
+    srcs = [
+        "dirty_set_test.go",
+        "inode_cached_test.go",
+    ],
+    embed = [":fsutil"],
+    deps = [
+        "//pkg/sentry/context",
+        "//pkg/sentry/context/contexttest",
+        "//pkg/sentry/fs",
+        "//pkg/sentry/kernel/time",
+        "//pkg/sentry/memmap",
+        "//pkg/sentry/safemem",
+        "//pkg/sentry/usermem",
+    ],
+)