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[NTDLL_APITEST]

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- Add tests showing how NtAllocateVirtualMemory and NtQueryVirtualMemory work together

svn path=/trunk/; revision=66325
This commit is contained in:
Jérôme Gardou
2015-02-16 21:15:27 +00:00
parent b9ea54f29a
commit 03d126b2fa
1 changed files with 37 additions and 0 deletions
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rostests/apitests/ntdll/NtAllocateVirtualMemory.c
+37
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@@ -367,6 +367,7 @@ CheckAdjacentVADs()
NTSTATUS Status;
PVOID BaseAddress;
SIZE_T Size;
MEMORY_BASIC_INFORMATION MemoryBasicInfo;
/* Reserve a full 64k region */
BaseAddress = UlongToPtr(0x50000000);
@@ -487,6 +488,42 @@ CheckAdjacentVADs()
_SEH2_END;
ok_ntstatus(Status, STATUS_ACCESS_VIOLATION);
/* Commit a page at the end of the first region */
BaseAddress = UlongToPtr(0x5000F000);
Size = 0x1000;
Status = NtAllocateVirtualMemory(NtCurrentProcess(),
&BaseAddress,
0,
&Size,
MEM_COMMIT,
PAGE_READWRITE);
ok_ntstatus(Status, STATUS_SUCCESS);
ok_ptr(BaseAddress, UlongToPtr(0x5000F000));
/* See where is the base of this newly committed area
* (choose a base address in the middle of it) */
Status = NtQueryVirtualMemory(NtCurrentProcess(),
UlongToPtr(0x5000F700),
MemoryBasicInformation,
&MemoryBasicInfo,
sizeof(MemoryBasicInfo),
NULL);
ok_ntstatus(Status, STATUS_SUCCESS);
/* The base address is the beginning of the committed area */
ok_ptr(MemoryBasicInfo.BaseAddress, UlongToPtr(0x5000F000));
/* The allocation base address is the beginning of the whole region */
ok_ptr(MemoryBasicInfo.AllocationBase, UlongToPtr(0x50000000));
/* This is the protection of the memory when it was reserved. */
ok_long(MemoryBasicInfo.AllocationProtect, PAGE_NOACCESS);
/* This is the size of the committed region. (ie, smallest chunk size) */
ok_long(MemoryBasicInfo.RegionSize, 0x1000);
/* This is the state of the queried address */
ok_long(MemoryBasicInfo.State, MEM_COMMIT);
/* This is the protection of the queried address */
ok_long(MemoryBasicInfo.Protect, PAGE_READWRITE);
/* NtAllocateVirtualMemory makes it MEM_PRIVATE */
ok_long(MemoryBasicInfo.Type, MEM_PRIVATE);
/* Try to free the whole region at once */
BaseAddress = UlongToPtr(0x50000000);
Size = 0x30000;