高效率推进 LinuxCNC 源码对齐流程

说明：集中 LinuxCNC 源码清单与 wasm/native probe 的路径解析，补强 manifest、shim、source-link 检查，并保持 LinuxCNC 源码后端对齐验证流程可复用。

验证：./test-native.sh；./test-linuxcnc-source-link.sh；./test-all-native.sh；wasm source/probe 相关脚本。

list-linuxcnc-source-support-objects.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
+filter=${1:-}
+
+if [[ ! -d "$linuxcnc_root" ]]; then
+    echo "missing LinuxCNC root: $linuxcnc_root" >&2
+    exit 1
+fi
+
+objects=(
+    src/objects/emc/rs274ngc/interpmodule.o
+    src/objects/emc/rs274ngc/canonmodule.o
+    src/objects/emc/rs274ngc/pyarrays.o
+    src/objects/emc/rs274ngc/pyblock.o
+    src/objects/emc/rs274ngc/pyemctypes.o
+    src/objects/emc/rs274ngc/pyinterp1.o
+    src/objects/emc/rs274ngc/pyparamclass.o
+    src/objects/emc/nml_intf/emcops.o
+    src/objects/emc/sai/dummyemcstat.o
+    src/objects/libnml/nml/stat_msg.o
+)
+
+found=0
+for object in "${objects[@]}"; do
+    full_object="$linuxcnc_root/$object"
+    if [[ ! -f "$full_object" ]]; then
+        echo "missing LinuxCNC support object: $full_object" >&2
+        echo "build LinuxCNC first or set LINUXCNC_ROOT to a built tree" >&2
+        exit 1
+    fi
+    if [[ -n "$filter" && "$(basename "$object")" != "$filter" ]]; then
+        continue
+    fi
+    found=1
+    printf '%s\n' "$full_object"
+done
+
+if [[ -n "$filter" && "$found" -eq 0 ]]; then
+    echo "missing LinuxCNC support object in list: $filter" >&2
+    exit 1
+fi