bpo-45355: Use sizeof(_Py_CODEUNIT) instead of literal 2 for the size of the code unit (GH-28711)

5 files changed, 15 insertions, 15 deletions

diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c
index fc3d7f51ee..09d18fb8f2 100644
--- a/Modules/_tracemalloc.c
+++ b/Modules/_tracemalloc.c
@@ -302,7 +302,7 @@ static void
 tracemalloc_get_frame(InterpreterFrame *pyframe, frame_t *frame)
 {
     frame->filename = unknown_filename;
-    int lineno = PyCode_Addr2Line(pyframe->f_code, pyframe->f_lasti*2);
+    int lineno = PyCode_Addr2Line(pyframe->f_code, pyframe->f_lasti*sizeof(_Py_CODEUNIT));
     if (lineno < 0) {
         lineno = 0;
     }
diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index 00d6888ff2..b743dc72ee 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -45,7 +45,7 @@ PyFrame_GetLineNumber(PyFrameObject *f)
         return f->f_lineno;
     }
     else {
-        return PyCode_Addr2Line(f->f_frame->f_code, f->f_frame->f_lasti*2);
+        return PyCode_Addr2Line(f->f_frame->f_code, f->f_frame->f_lasti*sizeof(_Py_CODEUNIT));
     }
 }
 
@@ -67,7 +67,7 @@ frame_getlasti(PyFrameObject *f, void *closure)
     if (f->f_frame->f_lasti < 0) {
         return PyLong_FromLong(-1);
     }
-    return PyLong_FromLong(f->f_frame->f_lasti*2);
+    return PyLong_FromLong(f->f_frame->f_lasti*sizeof(_Py_CODEUNIT));
 }
 
 static PyObject *
diff --git a/Objects/genobject.c b/Objects/genobject.c
index be9238d9b6..8bd6c8d2c4 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -1284,7 +1284,7 @@ compute_cr_origin(int origin_depth)
         PyCodeObject *code = frame->f_code;
         PyObject *frameinfo = Py_BuildValue("OiO",
                                             code->co_filename,
-                                            PyCode_Addr2Line(frame->f_code, frame->f_lasti*2),
+                                            PyCode_Addr2Line(frame->f_code, frame->f_lasti*sizeof(_Py_CODEUNIT)),
                                             code->co_name);
         if (!frameinfo) {
             Py_DECREF(cr_origin);
diff --git a/Python/ceval.c b/Python/ceval.c
index 7f29967eb3..c951e563cd 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -4815,7 +4815,7 @@ check_eval_breaker:
 #endif
             fprintf(stderr,
                 "XXX lineno: %d, opcode: %d\n",
-                PyCode_Addr2Line(frame->f_code, frame->f_lasti*2),
+                PyCode_Addr2Line(frame->f_code, frame->f_lasti*sizeof(_Py_CODEUNIT)),
                 opcode);
             _PyErr_SetString(tstate, PyExc_SystemError, "unknown opcode");
             goto error;
@@ -5996,7 +5996,7 @@ call_trace(Py_tracefunc func, PyObject *obj,
     }
     else {
         initialize_trace_info(&tstate->trace_info, frame);
-        f->f_lineno = _PyCode_CheckLineNumber(frame->f_lasti*2, &tstate->trace_info.bounds);
+        f->f_lineno = _PyCode_CheckLineNumber(frame->f_lasti*sizeof(_Py_CODEUNIT), &tstate->trace_info.bounds);
     }
     result = func(obj, f, what, arg);
     f->f_lineno = 0;
@@ -6035,8 +6035,8 @@ maybe_call_line_trace(Py_tracefunc func, PyObject *obj,
        then call the trace function if we're tracing source lines.
     */
     initialize_trace_info(&tstate->trace_info, frame);
-    int lastline = _PyCode_CheckLineNumber(instr_prev*2, &tstate->trace_info.bounds);
-    int line = _PyCode_CheckLineNumber(frame->f_lasti*2, &tstate->trace_info.bounds);
+    int lastline = _PyCode_CheckLineNumber(instr_prev*sizeof(_Py_CODEUNIT), &tstate->trace_info.bounds);
+    int line = _PyCode_CheckLineNumber(frame->f_lasti*sizeof(_Py_CODEUNIT), &tstate->trace_info.bounds);
     PyFrameObject *f = _PyFrame_GetFrameObject(frame);
     if (f == NULL) {
         return -1;
@@ -6978,7 +6978,7 @@ dtrace_function_entry(InterpreterFrame *frame)
     PyCodeObject *code = frame->f_code;
     filename = PyUnicode_AsUTF8(code->co_filename);
     funcname = PyUnicode_AsUTF8(code->co_name);
-    lineno = PyCode_Addr2Line(frame->f_code, frame->f_lasti*2);
+    lineno = PyCode_Addr2Line(frame->f_code, frame->f_lasti*sizeof(_Py_CODEUNIT));
 
     PyDTrace_FUNCTION_ENTRY(filename, funcname, lineno);
 }
@@ -6993,7 +6993,7 @@ dtrace_function_return(InterpreterFrame *frame)
     PyCodeObject *code = frame->f_code;
     filename = PyUnicode_AsUTF8(code->co_filename);
     funcname = PyUnicode_AsUTF8(code->co_name);
-    lineno = PyCode_Addr2Line(frame->f_code, frame->f_lasti*2);
+    lineno = PyCode_Addr2Line(frame->f_code, frame->f_lasti*sizeof(_Py_CODEUNIT));
 
     PyDTrace_FUNCTION_RETURN(filename, funcname, lineno);
 }
@@ -7010,12 +7010,12 @@ maybe_dtrace_line(InterpreterFrame *frame,
        instruction window, reset the window.
     */
     initialize_trace_info(trace_info, frame);
-    int lastline = _PyCode_CheckLineNumber(instr_prev*2, &trace_info->bounds);
-    int line = _PyCode_CheckLineNumber(frame->f_lasti*2, &trace_info->bounds);
+    int lastline = _PyCode_CheckLineNumber(instr_prev*sizeof(_Py_CODEUNIT), &trace_info->bounds);
+    int line = _PyCode_CheckLineNumber(frame->f_lasti*sizeof(_Py_CODEUNIT), &trace_info->bounds);
     if (line != -1) {
         /* Trace backward edges or first instruction of a new line */
         if (frame->f_lasti < instr_prev ||
-            (line != lastline && frame->f_lasti*2 == trace_info->bounds.ar_start))
+            (line != lastline && frame->f_lasti*sizeof(_Py_CODEUNIT) == trace_info->bounds.ar_start))
         {
             co_filename = PyUnicode_AsUTF8(frame->f_code->co_filename);
             if (!co_filename) {
diff --git a/Python/traceback.c b/Python/traceback.c
index 76280a35e3..06b40bbbdc 100644
--- a/Python/traceback.c
+++ b/Python/traceback.c
@@ -240,7 +240,7 @@ _PyTraceBack_FromFrame(PyObject *tb_next, PyFrameObject *frame)
     assert(tb_next == NULL || PyTraceBack_Check(tb_next));
     assert(frame != NULL);
 
-    return tb_create_raw((PyTracebackObject *)tb_next, frame, frame->f_frame->f_lasti*2,
+    return tb_create_raw((PyTracebackObject *)tb_next, frame, frame->f_frame->f_lasti*sizeof(_Py_CODEUNIT),
                          PyFrame_GetLineNumber(frame));
 }
 
@@ -1047,7 +1047,7 @@ dump_frame(int fd, InterpreterFrame *frame)
         PUTS(fd, "???");
     }
 
-    int lineno = PyCode_Addr2Line(code, frame->f_lasti*2);
+    int lineno = PyCode_Addr2Line(code, frame->f_lasti*sizeof(_Py_CODEUNIT));
     PUTS(fd, ", line ");
     if (lineno >= 0) {
         _Py_DumpDecimal(fd, (size_t)lineno);