mirror of https://github.com/hashcat/hashcat.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
146 lines
3.2 KiB
146 lines
3.2 KiB
/* Alloc.c -- Memory allocation functions
|
|
2017-06-15 : Igor Pavlov : Public domain */
|
|
|
|
#include "Precomp.h"
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
|
|
#include "Alloc.h"
|
|
|
|
/* #define _SZ_ALLOC_DEBUG */
|
|
|
|
/* use _SZ_ALLOC_DEBUG to debug alloc/free operations */
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
#include <stdio.h>
|
|
int g_allocCount = 0;
|
|
int g_allocCountMid = 0;
|
|
int g_allocCountBig = 0;
|
|
#endif
|
|
|
|
void *MyAlloc(size_t size)
|
|
{
|
|
if (size == 0)
|
|
return NULL;
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
{
|
|
void *p = malloc(size);
|
|
fprintf(stderr, "\nAlloc %10u bytes, count = %10d, addr = %8X", size, g_allocCount++, (unsigned)p);
|
|
return p;
|
|
}
|
|
#else
|
|
return malloc(size);
|
|
#endif
|
|
}
|
|
|
|
void MyFree(void *address)
|
|
{
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
if (address)
|
|
fprintf(stderr, "\nFree; count = %10d, addr = %8X", --g_allocCount, (unsigned)address);
|
|
#endif
|
|
free(address);
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
void *MidAlloc(size_t size)
|
|
{
|
|
if (size == 0)
|
|
return NULL;
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
fprintf(stderr, "\nAlloc_Mid %10d bytes; count = %10d", size, g_allocCountMid++);
|
|
#endif
|
|
return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
|
|
}
|
|
|
|
void MidFree(void *address)
|
|
{
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
if (address)
|
|
fprintf(stderr, "\nFree_Mid; count = %10d", --g_allocCountMid);
|
|
#endif
|
|
if (!address)
|
|
return;
|
|
VirtualFree(address, 0, MEM_RELEASE);
|
|
}
|
|
|
|
#ifndef MEM_LARGE_PAGES
|
|
#undef _7ZIP_LARGE_PAGES
|
|
#endif
|
|
|
|
#ifdef _7ZIP_LARGE_PAGES
|
|
SIZE_T g_LargePageSize = 0;
|
|
typedef SIZE_T (WINAPI *GetLargePageMinimumP)();
|
|
#endif
|
|
|
|
void SetLargePageSize(void)
|
|
{
|
|
#ifdef _7ZIP_LARGE_PAGES
|
|
SIZE_T size;
|
|
GetLargePageMinimumP largePageMinimum = (GetLargePageMinimumP)
|
|
GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "GetLargePageMinimum");
|
|
if (!largePageMinimum)
|
|
return;
|
|
size = largePageMinimum();
|
|
if (size == 0 || (size & (size - 1)) != 0)
|
|
return;
|
|
g_LargePageSize = size;
|
|
#endif
|
|
}
|
|
|
|
|
|
void *BigAlloc(size_t size)
|
|
{
|
|
if (size == 0)
|
|
return NULL;
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
fprintf(stderr, "\nAlloc_Big %10u bytes; count = %10d", size, g_allocCountBig++);
|
|
#endif
|
|
|
|
#ifdef _7ZIP_LARGE_PAGES
|
|
{
|
|
SIZE_T ps = g_LargePageSize;
|
|
if (ps != 0 && ps <= (1 << 30) && size > (ps / 2))
|
|
{
|
|
size_t size2;
|
|
ps--;
|
|
size2 = (size + ps) & ~ps;
|
|
if (size2 >= size)
|
|
{
|
|
void *res = VirtualAlloc(NULL, size2, MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE);
|
|
if (res)
|
|
return res;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
|
|
}
|
|
|
|
void BigFree(void *address)
|
|
{
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
if (address)
|
|
fprintf(stderr, "\nFree_Big; count = %10d", --g_allocCountBig);
|
|
#endif
|
|
|
|
if (!address)
|
|
return;
|
|
VirtualFree(address, 0, MEM_RELEASE);
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
static void *SzAlloc(ISzAllocPtr p, size_t size) { UNUSED_VAR(p); return MyAlloc(size); }
|
|
static void SzFree(ISzAllocPtr p, void *address) { UNUSED_VAR(p); MyFree(address); }
|
|
ISzAlloc const g_Alloc = { SzAlloc, SzFree };
|
|
|
|
static void *SzBigAlloc(ISzAllocPtr p, size_t size) { UNUSED_VAR(p); return BigAlloc(size); }
|
|
static void SzBigFree(ISzAllocPtr p, void *address) { UNUSED_VAR(p); BigFree(address); }
|
|
ISzAlloc const g_BigAlloc = { SzBigAlloc, SzBigFree };
|