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profile: bugfix (cpu.h atomic functions require intptr_t)

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slight improvements to aken (declare code segment as pageable)

This was SVN commit r5202.
This commit is contained in:
janwas 2007-06-17 10:29:28 +00:00
parent 7d91dec842
commit dc40e831d4
2 changed files with 14 additions and 9 deletions
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21
source/lib/sysdep/win/aken/aken.cpp
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@ -6,15 +6,20 @@ extern "C" { // must come before ntddk.h
#define WIN32_NAME L"\\DosDevices\\Aken"
#define DEVICE_NAME L"\\Device\\Aken"
// note: this driver isn't much larger than a page anyway, so
// there's little point in using #pragma alloc_text.
// this driver isn't large, but it's still slightly nicer to make its
// functions pageable and thus not waste precious non-paged pool.
// #pragma code_seg is more convenient than specifying alloc_text for
// every other function.
NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING registryPath);
#pragma alloc_text(INIT, DriverEntry) // => discardable
#pragma code_seg(push, "PAGE")
//-----------------------------------------------------------------------------
// memory mapping
//-----------------------------------------------------------------------------
/*
there are three approaches to mapping physical memory:
(http://www.microsoft.com/whdc/driver/kernel/mem-mgmt.mspx)
@ -43,12 +48,10 @@ means of accessing the page frame database (to check if mapped anywhere
and determine the previously set attributes) has not borne fruit, so we
must use ZwMapViewOfSection.
note that we do try to guess if the page will have been mapped as cacheable
and even try the opposite if we turn out to be incorrect.
note that we guess if the page will have been mapped as cacheable and
even try the opposite if that turns out to have been incorrect.
*/
static bool IsMemoryUncacheable(DWORD64 physicalAddress64)
{
// original PC memory - contains BIOS
@ -335,7 +338,9 @@ static VOID AkenUnload(IN PDRIVER_OBJECT driverObject)
}
NTSTATUS DriverEntry(IN OUT PDRIVER_OBJECT driverObject, IN PUNICODE_STRING registryPath)
#pragma code_seg(pop) // make sure we don't countermand the alloc_text
NTSTATUS DriverEntry(IN PDRIVER_OBJECT driverObject, IN PUNICODE_STRING registryPath)
{
UNICODE_STRING deviceName = RTL_CONSTANT_STRING(DEVICE_NAME);

2
source/ps/Profile.cpp
View File

@ -374,7 +374,7 @@ void CProfileNode::Frame()
// TODO: these should probably only count allocations that occur in the thread being profiled
#if HAVE_VC_DEBUG_ALLOC
static long memory_alloc_bias = 0; // so we can subtract the allocations caused by this function
static intptr_t memory_alloc_bias = 0; // so we can subtract the allocations caused by this function
static long get_memory_alloc_count()
{
// TODO: it's probably better to use _CrtSetAllocHook to increment a