81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
|
#include <windows.h>
|
||
|
|
#include "../ns-eel/ns-eel.h"
|
||
|
|
#include "../ns-eel/ns-eel-int.h"
|
||
|
|
#include "megabuf.h"
|
||
|
|
|
||
|
|
void megabuf_ppproc(void *data, int data_size, void **userfunc_data)
|
||
|
|
{
|
||
|
|
if (data_size > 5 && *(int*)((char *)data+1) == 0xFFFFFFFF)
|
||
|
|
{
|
||
|
|
*(int*)((char *)data+1) = (int) (userfunc_data+0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void megabuf_cleanup(NSEEL_VMCTX ctx)
|
||
|
|
{
|
||
|
|
if (ctx)
|
||
|
|
{
|
||
|
|
compileContext *c=(compileContext*)ctx;
|
||
|
|
if (c->userfunc_data[0])
|
||
|
|
{
|
||
|
|
double **blocks = (double **)c->userfunc_data[0];
|
||
|
|
int x;
|
||
|
|
for (x = 0; x < MEGABUF_BLOCKS; x ++)
|
||
|
|
{
|
||
|
|
if (blocks[x]) VirtualFree(blocks[x], 0/*sizeof(double)*MEGABUF_ITEMSPERBLOCK*/, MEM_RELEASE);
|
||
|
|
//GlobalFree(blocks[x]);
|
||
|
|
blocks[x]=0;
|
||
|
|
}
|
||
|
|
VirtualFree(blocks, 0/*sizeof(double *)*MEGABUF_BLOCKS*/, MEM_RELEASE);
|
||
|
|
//GlobalFree((HGLOBAL)blocks);
|
||
|
|
c->userfunc_data[0]=0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static double * NSEEL_CGEN_CALL megabuf_(double ***blocks, double *which)
|
||
|
|
{
|
||
|
|
static double error;
|
||
|
|
int w=(int)(*which + 0.0001);
|
||
|
|
int whichblock = w/MEGABUF_ITEMSPERBLOCK;
|
||
|
|
|
||
|
|
if (!*blocks)
|
||
|
|
{
|
||
|
|
*blocks = (double **)VirtualAlloc(NULL, sizeof(double *)*MEGABUF_BLOCKS, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
|
||
|
|
//GlobalAlloc(GPTR,sizeof(double *)*MEGABUF_BLOCKS);
|
||
|
|
}
|
||
|
|
if (!*blocks) return &error;
|
||
|
|
|
||
|
|
if (w >= 0 && whichblock >= 0 && whichblock < MEGABUF_BLOCKS)
|
||
|
|
{
|
||
|
|
int whichentry = w%MEGABUF_ITEMSPERBLOCK;
|
||
|
|
if (!(*blocks)[whichblock])
|
||
|
|
{
|
||
|
|
(*blocks)[whichblock]=(double *)VirtualAlloc(NULL, sizeof(double)*MEGABUF_ITEMSPERBLOCK, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
|
||
|
|
//GlobalAlloc(GPTR,sizeof(double)*MEGABUF_ITEMSPERBLOCK);
|
||
|
|
}
|
||
|
|
if ((*blocks)[whichblock])
|
||
|
|
return &(*blocks)[whichblock][whichentry];
|
||
|
|
}
|
||
|
|
|
||
|
|
return &error;
|
||
|
|
}
|
||
|
|
|
||
|
|
static double * (NSEEL_CGEN_CALL *__megabuf)(double ***,double *) = &megabuf_;
|
||
|
|
__declspec ( naked ) void _asm_megabuf(void)
|
||
|
|
{
|
||
|
|
double ***my_ctx;
|
||
|
|
double *parm_a, *__nextBlock;
|
||
|
|
__asm { mov edx, 0xFFFFFFFF }
|
||
|
|
__asm { mov ebp, esp }
|
||
|
|
__asm { sub esp, __LOCAL_SIZE }
|
||
|
|
__asm { mov dword ptr my_ctx, edx }
|
||
|
|
__asm { mov dword ptr parm_a, eax }
|
||
|
|
|
||
|
|
__nextBlock = __megabuf(my_ctx,parm_a);
|
||
|
|
|
||
|
|
__asm { mov eax, __nextBlock } // this is custom, returning pointer
|
||
|
|
__asm { mov esp, ebp }
|
||
|
|
}
|
||
|
|
__declspec ( naked ) void _asm_megabuf_end(void) {}
|