按 align-linuxcnc 约束补 tooldata shim 源码依据

core/wasm_shims/tooldata/tooldata.hh

@@ -3,6 +3,8 @@
 #include "nml_intf/canon.hh"
 #include "nml_intf/emc_nml.hh"
 
+// LinuxCNC source basis: src/emc/tooldata/tooldata.hh declares the tooldata
+// API used by taskclass.cc, emccanon.cc, and RS274 tool table paths.
 extern "C" {
 
 typedef enum {

core/wasm_shims/tooldata/tooldata_mmap_backend.cc

@@ -4,6 +4,9 @@
 #include <cstdio>
 #include <unistd.h>
 
+// LinuxCNC source basis: src/emc/tooldata/tooldata_mmap.cc provides these
+// tool_mmap and indexed tool table entry points; this shim keeps them
+// available for WASM without native mmap.
 namespace {
 
 CANON_TOOL_TABLE tool_table[CANON_POCKETS_MAX];

core/wasm_shims/tooldata/tooldata_runtime_stubs.cc

@@ -3,6 +3,8 @@
 #include <cstring>
 #include <unistd.h>
 
+// LinuxCNC source basis: src/emc/tooldata/tooldata_nml.cc and tooldata_db.cc
+// provide the NML registration and external tool database entry points.
 namespace {
 
 constexpr int MAX_DB_PROGRAM_ARGS = 10;