wvm.cpp File Reference

#include "precompiled.h"
#include "lib/sysdep/vm.h"
#include "lib/alignment.h"
#include "lib/bits.h"
#include "lib/module_init.h"
#include "lib/sysdep/numa.h"
#include "lib/sysdep/os/win/wutil.h"
#include "lib/timer.h"
#include <atomic>
#include <excpt.h>

Include dependency graph for wvm.cpp:

Namespaces
namespace	vm

Functions
	vm::CACHE_ALIGNED (struct Statistics)
void	vm::DumpStatistics ()
static bool	vm::ShouldUseLargePages (size_t allocationSize, DWORD allocationType, PageType pageType)
static void *	vm::AllocateLargeOrSmallPages (uintptr_t address, size_t size, DWORD allocationType, PageType pageType=kDefault, int prot=PROT_READ|PROT_WRITE)
	vm::CACHE_ALIGNED (struct AddressRangeDescriptor)
static AddressRangeDescriptor *	vm::FindDescriptor (uintptr_t address)
void *	vm::ReserveAddressSpace (size_t size, size_t commitSize=g_LargePageSize, PageType pageType=kDefault, int prot=PROT_READ|PROT_WRITE)
	reserve address space and set the parameters for any later on-demand commits. More...
void	vm::ReleaseAddressSpace (void *p, size_t size=0)
	release address space and decommit any memory. More...
bool	vm::Commit (uintptr_t address, size_t size, PageType pageType=kDefault, int prot=PROT_READ|PROT_WRITE)
	map physical memory to previously reserved address space. More...
bool	vm::Decommit (uintptr_t address, size_t size)
	unmap physical memory. More...
bool	vm::Protect (uintptr_t address, size_t size, int prot)
	set the memory protection flags for all pages that intersect the given interval. More...
void *	vm::Allocate (size_t size, PageType pageType=kDefault, int prot=PROT_READ|PROT_WRITE)
	reserve address space and commit memory. More...
void	vm::Free (void *p, size_t size=0)
	decommit memory and release address space. More...
static LONG CALLBACK	vm::VectoredHandler (const PEXCEPTION_POINTERS ep)
static Status	vm::InitHandler ()
static void	vm::ShutdownHandler ()
void	vm::BeginOnDemandCommits ()
	install a handler that attempts to commit memory whenever a read/write page fault is encountered. More...
void	vm::EndOnDemandCommits ()
	decrements the reference count begun by BeginOnDemandCommit and removes the page fault handler when it reaches 0. More...

Variables
static bool	vm::largePageAllocationTookTooLong = false
static AddressRangeDescriptor	vm::ranges [2 *os_cpu_MaxProcessors]
static PVOID	vm::handler
static ModuleInitState	vm::initState { 0 }
static std::atomic< intptr_t >	vm::references { 0 }