Update target-spec

tools/cfg

@@ -8241,6 +8241,42 @@ target_vendor="unknown"
 ub_checks
 unix
 
+x86_64-unknown-linux-none:
+overflow_checks
+panic="unwind"
+relocation_model="pic"
+target_abi=""
+target_arch="x86_64"
+target_endian="little"
+target_env=""
+target_family="unix"
+target_feature="fxsr"
+target_feature="sse"
+target_feature="sse2"
+target_has_atomic
+target_has_atomic="16"
+target_has_atomic="32"
+target_has_atomic="64"
+target_has_atomic="8"
+target_has_atomic="ptr"
+target_has_atomic_equal_alignment="16"
+target_has_atomic_equal_alignment="32"
+target_has_atomic_equal_alignment="64"
+target_has_atomic_equal_alignment="8"
+target_has_atomic_equal_alignment="ptr"
+target_has_atomic_load_store
+target_has_atomic_load_store="16"
+target_has_atomic_load_store="32"
+target_has_atomic_load_store="64"
+target_has_atomic_load_store="8"
+target_has_atomic_load_store="ptr"
+target_os="linux"
+target_pointer_width="64"
+target_thread_local
+target_vendor="unknown"
+ub_checks
+unix
+
 x86_64-unknown-linux-ohos:
 overflow_checks
 panic="unwind"

tools/target-spec.json

@@ -11767,6 +11767,42 @@
     ],
     "target-pointer-width": "64"
   },
+  "x86_64-unknown-linux-none": {
+    "arch": "x86_64",
+    "cpu": "x86-64",
+    "crt-objects-fallback": "false",
+    "crt-static-respected": true,
+    "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128",
+    "dynamic-linking": true,
+    "has-rpath": true,
+    "has-thread-local": true,
+    "is-builtin": true,
+    "linker": "rust-lld",
+    "linker-flavor": "gnu-lld",
+    "llvm-target": "x86_64-unknown-linux-none",
+    "max-atomic-width": 64,
+    "metadata": {
+      "description": null,
+      "host_tools": null,
+      "std": null,
+      "tier": null
+    },
+    "os": "linux",
+    "position-independent-executables": true,
+    "relro-level": "full",
+    "stack-probes": {
+      "kind": "inline"
+    },
+    "supported-split-debuginfo": [
+      "packed",
+      "unpacked",
+      "off"
+    ],
+    "target-family": [
+      "unix"
+    ],
+    "target-pointer-width": "64"
+  },
   "x86_64-unknown-linux-ohos": {
     "arch": "x86_64",
     "cpu": "x86-64",