Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 155 insertions, 0 deletions

diff --git a/pkg/sentry/mm/BUILD b/pkg/sentry/mm/BUILD
new file mode 100644
index 000000000..39bde2be3
--- /dev/null
+++ b/pkg/sentry/mm/BUILD
@@ -0,0 +1,155 @@
+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 = "mm_state",
+    srcs = [
+        "aio_context.go",
+        "aio_context_state.go",
+        "file_refcount_set.go",
+        "io_list.go",
+        "mm.go",
+        "pma_set.go",
+        "save_restore.go",
+        "special_mappable.go",
+        "vma_set.go",
+    ],
+    out = "mm_state.go",
+    package = "mm",
+)
+
+go_template_instance(
+    name = "file_refcount_set",
+    out = "file_refcount_set.go",
+    imports = {
+        "platform": "gvisor.googlesource.com/gvisor/pkg/sentry/platform",
+    },
+    package = "mm",
+    prefix = "fileRefcount",
+    template = "//pkg/segment:generic_set",
+    types = {
+        "Key": "uint64",
+        "Range": "platform.FileRange",
+        "Value": "int32",
+        "Functions": "fileRefcountSetFunctions",
+    },
+)
+
+go_template_instance(
+    name = "vma_set",
+    out = "vma_set.go",
+    consts = {
+        "minDegree": "8",
+    },
+    imports = {
+        "usermem": "gvisor.googlesource.com/gvisor/pkg/sentry/usermem",
+    },
+    package = "mm",
+    prefix = "vma",
+    template = "//pkg/segment:generic_set",
+    types = {
+        "Key": "usermem.Addr",
+        "Range": "usermem.AddrRange",
+        "Value": "vma",
+        "Functions": "vmaSetFunctions",
+    },
+)
+
+go_template_instance(
+    name = "pma_set",
+    out = "pma_set.go",
+    consts = {
+        "minDegree": "8",
+    },
+    imports = {
+        "usermem": "gvisor.googlesource.com/gvisor/pkg/sentry/usermem",
+    },
+    package = "mm",
+    prefix = "pma",
+    template = "//pkg/segment:generic_set",
+    types = {
+        "Key": "usermem.Addr",
+        "Range": "usermem.AddrRange",
+        "Value": "pma",
+        "Functions": "pmaSetFunctions",
+    },
+)
+
+go_template_instance(
+    name = "io_list",
+    out = "io_list.go",
+    package = "mm",
+    prefix = "io",
+    template = "//pkg/ilist:generic_list",
+    types = {
+        "Linker": "*ioResult",
+    },
+)
+
+go_library(
+    name = "mm",
+    srcs = [
+        "address_space.go",
+        "aio_context.go",
+        "aio_context_state.go",
+        "debug.go",
+        "file_refcount_set.go",
+        "io.go",
+        "io_list.go",
+        "lifecycle.go",
+        "metadata.go",
+        "mm.go",
+        "mm_state.go",
+        "pma.go",
+        "pma_set.go",
+        "proc_pid_maps.go",
+        "save_restore.go",
+        "special_mappable.go",
+        "syscalls.go",
+        "vma.go",
+        "vma_set.go",
+    ],
+    importpath = "gvisor.googlesource.com/gvisor/pkg/sentry/mm",
+    visibility = ["//pkg/sentry:internal"],
+    deps = [
+        "//pkg/abi/linux",
+        "//pkg/atomicbitops",
+        "//pkg/log",
+        "//pkg/refs",
+        "//pkg/sentry/arch",
+        "//pkg/sentry/context",
+        "//pkg/sentry/fs",
+        "//pkg/sentry/fs/proc/seqfile",
+        "//pkg/sentry/limits",
+        "//pkg/sentry/memmap",
+        "//pkg/sentry/platform",
+        "//pkg/sentry/platform/safecopy",
+        "//pkg/sentry/safemem",
+        "//pkg/sentry/usage",
+        "//pkg/sentry/usermem",
+        "//pkg/state",
+        "//pkg/sync",
+        "//pkg/syserror",
+        "//pkg/tcpip/buffer",
+    ],
+)
+
+go_test(
+    name = "mm_test",
+    size = "small",
+    srcs = ["mm_test.go"],
+    embed = [":mm"],
+    deps = [
+        "//pkg/sentry/arch",
+        "//pkg/sentry/context",
+        "//pkg/sentry/context/contexttest",
+        "//pkg/sentry/limits",
+        "//pkg/sentry/memmap",
+        "//pkg/sentry/platform",
+        "//pkg/sentry/usermem",
+        "//pkg/syserror",
+    ],
+)