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/*
* this is the internal transfer function.
*
* HISTORY
* 24-Nov-02 Christian Tismer <tismer@tismer.com>
* needed to add another magic constant to insure
* that f in slp_eval_frame(PyFrameObject *f)
* STACK_REFPLUS will probably be 1 in most cases.
* gets included into the saved stack area.
* 26-Sep-02 Christian Tismer <tismer@tismer.com>
* again as a result of virtualized stack access,
* the compiler used less registers. Needed to
* explicit mention registers in order to get them saved.
* Thanks to Jeff Senn for pointing this out and help.
* 17-Sep-02 Christian Tismer <tismer@tismer.com>
* after virtualizing stack save/restore, the
* stack size shrunk a bit. Needed to introduce
* an adjustment STACK_MAGIC per platform.
* 15-Sep-02 Gerd Woetzel <gerd.woetzel@GMD.DE>
* slightly changed framework for sparc
* 01-Mar-02 Christian Tismer <tismer@tismer.com>
* Initial final version after lots of iterations for i386.
*/
/* Avoid alloca redefined warning on mingw64 */
#ifndef alloca
#define alloca _alloca
#endif
#define STACK_REFPLUS 1
#define STACK_MAGIC 0
/* Use the generic support for an external assembly language slp_switch function. */
#define EXTERNAL_ASM
#ifdef SLP_EVAL
/* This always uses the external masm assembly file. */
#endif
/*
* further self-processing support
*/
/* we have IsBadReadPtr available, so we can peek at objects */
/*
#define STACKLESS_SPY
#ifdef IMPLEMENT_STACKLESSMODULE
#include "Windows.h"
#define CANNOT_READ_MEM(p, bytes) IsBadReadPtr(p, bytes)
static int IS_ON_STACK(void*p)
{
int stackref;
intptr_t stackbase = ((intptr_t)&stackref) & 0xfffff000;
return (intptr_t)p >= stackbase && (intptr_t)p < stackbase + 0x00100000;
}
#endif
*/