gh-81057: Move Globals in Core Code to _PyRuntimeState (gh-99496)

This is the first of several changes to consolidate non-object globals in core code.

https://github.com/python/cpython/issues/81057

Include/internal/pycore_dtoa.h

@@ -1,3 +1,5 @@
+#ifndef Py_INTERNAL_DTOA_H
+#define Py_INTERNAL_DTOA_H
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -11,6 +13,46 @@ extern "C" {
 
 #if _PY_SHORT_FLOAT_REPR == 1
 
+typedef uint32_t ULong;
+
+struct
+Bigint {
+    struct Bigint *next;
+    int k, maxwds, sign, wds;
+    ULong x[1];
+};
+
+#ifdef Py_USING_MEMORY_DEBUGGER
+
+struct _dtoa_runtime_state {
+        int _not_used;
+};
+#define _dtoa_runtime_state_INIT {0}
+
+#else  // !Py_USING_MEMORY_DEBUGGER
+
+/* The size of the Bigint freelist */
+#define Bigint_Kmax 7
+
+#ifndef PRIVATE_MEM
+#define PRIVATE_MEM 2304
+#endif
+#define Bigint_PREALLOC_SIZE \
+    ((PRIVATE_MEM+sizeof(double)-1)/sizeof(double))
+
+struct _dtoa_runtime_state {
+        struct Bigint *freelist[Bigint_Kmax+1];
+        double preallocated[Bigint_PREALLOC_SIZE];
+        double *preallocated_next;
+};
+#define _dtoa_runtime_state_INIT(runtime) \
+    { \
+        .preallocated_next = runtime.dtoa.preallocated, \
+    }
+
+#endif  // !Py_USING_MEMORY_DEBUGGER
+
+
 /* These functions are used by modules compiled as C extension like math:
    they must be exported. */
 
@@ -26,3 +68,4 @@ PyAPI_FUNC(double) _Py_dg_infinity(int sign);
 #ifdef __cplusplus
 }
 #endif
+#endif /* !Py_INTERNAL_DTOA_H */

Include/internal/pycore_interp.h

@@ -26,6 +26,7 @@ extern "C" {
 #include "pycore_unicodeobject.h" // struct _Py_unicode_state
 #include "pycore_warnings.h"      // struct _warnings_runtime_state
 
+
 struct _pending_calls {
     PyThread_type_lock lock;
     /* Request for running pending calls. */

Include/internal/pycore_pylifecycle.h

@@ -33,6 +33,7 @@ PyAPI_FUNC(int) _Py_IsLocaleCoercionTarget(const char *ctype_loc);
 
 /* Various one-time initializers */
 
+extern void _Py_InitVersion(void);
 extern PyStatus _PyImport_Init(void);
 extern PyStatus _PyFaulthandler_Init(int enable);
 extern int _PyTraceMalloc_Init(int enable);

Include/internal/pycore_pymem.h

@@ -113,8 +113,6 @@ struct _PyTraceMalloc_Config {
      .tracing = 0, \
      .max_nframe = 1}
 
-PyAPI_DATA(struct _PyTraceMalloc_Config) _Py_tracemalloc_config;
-
 #ifdef __cplusplus
 }
 #endif

Include/internal/pycore_runtime.h

@@ -9,6 +9,7 @@ extern "C" {
 #endif
 
 #include "pycore_atomic.h"          /* _Py_atomic_address */
+#include "pycore_dtoa.h"            // struct _dtoa_runtime_state
 #include "pycore_gil.h"             // struct _gil_runtime_state
 #include "pycore_global_objects.h"  // struct _Py_global_objects
 #include "pycore_import.h"          // struct _import_runtime_state
@@ -18,7 +19,8 @@ extern "C" {
 #include "pycore_unicodeobject.h"   // struct _Py_unicode_runtime_ids
 
 struct _getargs_runtime_state {
-   PyThread_type_lock mutex;
+    PyThread_type_lock mutex;
+    struct _PyArg_Parser *static_parsers;
 };
 
 /* ceval state */
@@ -125,6 +127,10 @@ typedef struct pyruntimestate {
     struct _ceval_runtime_state ceval;
     struct _gilstate_runtime_state gilstate;
     struct _getargs_runtime_state getargs;
+    struct {
+        struct _PyTraceMalloc_Config config;
+    } tracemalloc;
+    struct _dtoa_runtime_state dtoa;
 
     PyPreConfig preconfig;
 

Include/internal/pycore_runtime_init.h

@@ -36,6 +36,10 @@ extern "C" {
               until _PyInterpreterState_Enable() is called. */ \
             .next_id = -1, \
         }, \
+        .tracemalloc = { \
+            .config = _PyTraceMalloc_Config_INIT, \
+        }, \
+        .dtoa = _dtoa_runtime_state_INIT(runtime), \
         .types = { \
             .next_version_tag = 1, \
         }, \