GH-125911: Rename big trampoline to "shim" (GH-126339)

Tools/jit/_targets.py

@@ -154,8 +154,8 @@ class _Target(typing.Generic[_S, _R]):
         with tempfile.TemporaryDirectory() as tempdir:
             work = pathlib.Path(tempdir).resolve()
             async with asyncio.TaskGroup() as group:
-                coro = self._compile("trampoline", TOOLS_JIT / "trampoline.c", work)
-                tasks.append(group.create_task(coro, name="trampoline"))
+                coro = self._compile("shim", TOOLS_JIT / "shim.c", work)
+                tasks.append(group.create_task(coro, name="shim"))
                 template = TOOLS_JIT_TEMPLATE_C.read_text()
                 for case, opname in cases_and_opnames:
                     # Write out a copy of the template with *only* this case

Tools/jit/_writer.py

@@ -22,11 +22,11 @@ def _dump_footer(
     yield "    symbol_mask trampoline_mask;"
     yield "} StencilGroup;"
     yield ""
-    yield f"static const StencilGroup trampoline = {groups['trampoline'].as_c('trampoline')};"
+    yield f"static const StencilGroup shim = {groups['shim'].as_c('shim')};"
     yield ""
     yield "static const StencilGroup stencil_groups[MAX_UOP_ID + 1] = {"
     for opname, group in sorted(groups.items()):
-        if opname == "trampoline":
+        if opname == "shim":
             continue
         yield f"    [{opname}] = {group.as_c(opname)},"
     yield "};"