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ICorProfilerInfo9::GetCodeInfo4 method

  • Статия

Given the native code start address, returns the blocks of virtual memory that store this code.

Syntax

HRESULT GetCodeInfo4( [in]  UINT_PTR pNativeCodeStartAddress,
                      [in]  ULONG32 cCodeInfos,
                      [out] ULONG32* pcCodeInfos,
                      [out] COR_PRF_CODE_INFO codeInfos[]);

Parameters

pNativeCodeStartAddress
[in] A pointer to the start of a native function.

cCodeInfos
[in] The size of the codeInfos array.

pcCodeInfos
[out] A pointer to the total number of COR_PRF_CODE_INFO structures available.

codeInfos
[out] A caller-provided buffer. After the method returns, it contains an array of COR_PRF_CODE_INFO structures, each of which describes a block of native code.

Remarks

The GetCodeInfo4 method is similar to GetCodeInfo3, except that it can look up code information for different native versions of a method.

Note

GetCodeInfo4 can trigger a garbage collection.

The extents are sorted in order of increasing Common Intermediate Language (CIL) offset.

After GetCodeInfo4 returns, you must verify that the codeInfos buffer was large enough to contain all the COR_PRF_CODE_INFO structures. To do this, compare the value of cCodeInfos with the value of the cchName parameter. If cCodeInfos divided by the size of a COR_PRF_CODE_INFO structure is smaller than pcCodeInfos, allocate a larger codeInfos buffer, update cCodeInfos with the new, larger size, and call GetCodeInfo4 again.

Alternatively, you can first call GetCodeInfo4 with a zero-length codeInfos buffer to obtain the correct buffer size. You can then set the codeInfos buffer size to the value returned in pcCodeInfos, multiplied by the size of a COR_PRF_CODE_INFO structure, and call GetCodeInfo4 again.

Requirements

Platforms: See .NET supported operating systems.

Header: CorProf.idl, CorProf.h

Library: CorGuids.lib

.NET Versions: Available since .NET Core 2.1

See also