[syserror] Split usermem package

Split usermem package to help remove syserror dependency in go_marshal.
New hostarch package contains code not dependent on syserror.

PiperOrigin-RevId: 365651233

1 files changed, 42 insertions, 0 deletions

diff --git a/pkg/hostarch/BUILD b/pkg/hostarch/BUILD
new file mode 100644
index 000000000..1e8def4d9
--- /dev/null
+++ b/pkg/hostarch/BUILD
@@ -0,0 +1,42 @@
+load("//tools:defs.bzl", "go_library", "go_test")
+load("//tools/go_generics:defs.bzl", "go_template_instance")
+
+package(licenses = ["notice"])
+
+go_template_instance(
+    name = "addr_range",
+    out = "addr_range.go",
+    package = "hostarch",
+    prefix = "Addr",
+    template = "//pkg/segment:generic_range",
+    types = {
+        "T": "Addr",
+    },
+)
+
+go_test(
+    name = "hostarch_test",
+    size = "small",
+    srcs = [
+        "addr_range_seq_test.go",
+    ],
+    library = ":hostarch",
+)
+
+go_library(
+    name = "hostarch",
+    srcs = [
+        "access_type.go",
+        "addr.go",
+        "addr_range.go",
+        "addr_range_seq_unsafe.go",
+        "hostarch.go",
+        "hostarch_arm64.go",
+        "hostarch_x86.go",
+    ],
+    visibility = ["//:sandbox"],
+    deps = [
+        "//pkg/gohacks",
+        "@org_golang_x_sys//unix:go_default_library",
+    ],
+)