Make opcode targets table dynamic

Fidget-Spinner · Fidget-Spinner · commit 62f0b7a82576 · 2025-09-17T15:21:51.000+01:00
diff --git a/Python/ceval.c b/Python/ceval.c
@@ -1040,6 +1040,8 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
         return NULL;
     }
 
+    void **opcode_targets = opcode_targets_table;
+
     /* Local "register" variables.
      * These are cached values from the frame and code object.  */
     _Py_CODEUNIT *next_instr;
diff --git a/Python/opcode_targets.h b/Python/opcode_targets.h
diff --git a/Tools/cases_generator/target_generator.py b/Tools/cases_generator/target_generator.py
@@ -27,7 +27,7 @@ def write_opcode_targets(analysis: Analysis, out: CWriter) -> None:
         if op < 256:
             targets[op] = f"&&TARGET_{name},\n"
     out.emit("#if !Py_TAIL_CALL_INTERP\n")
-    out.emit("static void *opcode_targets[256] = {\n")
+    out.emit("static void *opcode_targets_table[256] = {\n")
     for target in targets:
         out.emit(target)
     out.emit("};\n")

Original file line number	Diff line number	Diff line change
`@@ -1040,6 +1040,8 @@ _PyEval_EvalFrameDefault(PyThreadState tstate, _PyInterpreterFrame frame, int`
`1040`	`1040`	`return NULL;`
`1041`	`1041`	`}`
`1042`	`1042`
	`1043`	`+ void **opcode_targets = opcode_targets_table;`
	`1044`	`+`
`1043`	`1045`	`/* Local "register" variables.`
`1044`	`1046`	`* These are cached values from the frame and code object. */`
`1045`	`1047`	`_Py_CODEUNIT *next_instr;`