/* * this is the internal transfer function. * * HISTORY * 24-Nov-02 Christian Tismer * 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 * 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 * 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 * slightly changed framework for sparc * 01-Mar-02 Christian Tismer * 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 */