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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// StubLink.inl
//
// Defines inline functions for StubLinker
//
#ifndef __STUBLINK_INL__
#define __STUBLINK_INL__
#include "stublink.h"
#include "eeconfig.h"
#include "safemath.h"
#ifdef STUBLINKER_GENERATES_UNWIND_INFO
inline //static
SIZE_T StubUnwindInfoHeader::ComputeSize(UINT nUnwindInfoSize)
{
LIMITED_METHOD_CONTRACT;
return ALIGN_UP( FIELD_OFFSET(StubUnwindInfoHeader, FunctionEntry)
+ nUnwindInfoSize
+ sizeof(StubUnwindInfoHeaderSuffix)
, sizeof(void*));
}
#ifndef DACCESS_COMPILE
inline
void StubUnwindInfoHeader::Init ()
{
LIMITED_METHOD_CONTRACT;
pNext = (StubUnwindInfoHeader*)(SIZE_T)1;
}
inline
bool StubUnwindInfoHeader::IsRegistered ()
{
LIMITED_METHOD_CONTRACT;
return pNext != (StubUnwindInfoHeader*)(SIZE_T)1;
}
#endif // #ifndef DACCESS_COMPILE
#endif // STUBLINKER_GENERATES_UNWIND_INFO
inline
void StubLinker::Push(UINT size)
{
LIMITED_METHOD_CONTRACT;
ClrSafeInt<SHORT> stackSize(m_stackSize);
_ASSERTE(FitsIn<SHORT>(size));
SHORT sSize = static_cast<SHORT>(size);
stackSize += sSize;
_ASSERTE(!stackSize.IsOverflow());
m_stackSize = stackSize.Value();
UnwindAllocStack(sSize);
}
inline
void StubLinker::Pop(UINT size)
{
LIMITED_METHOD_CONTRACT;
ClrSafeInt<SHORT> stackSize(m_stackSize);
_ASSERTE(FitsIn<SHORT>(size));
stackSize = stackSize - ClrSafeInt<SHORT>(size);
_ASSERTE(!stackSize.IsOverflow());
m_stackSize = stackSize.Value();
}
inline
VOID StubLinker::EmitUnwindInfoCheck()
{
#if defined(_DEBUG) && defined(STUBLINKER_GENERATES_UNWIND_INFO) && !defined(CROSSGEN_COMPILE)
if (g_pConfig->IsStubLinkerUnwindInfoVerificationOn())
{
if (!m_pUnwindInfoCheckLabel)
m_pUnwindInfoCheckLabel = NewCodeLabel();
EmitUnwindInfoCheckWorker(m_pUnwindInfoCheckLabel);
}
#endif
}
#ifndef STUBLINKER_GENERATES_UNWIND_INFO
inline VOID StubLinker::UnwindSavedReg (UCHAR reg, ULONG SPRelativeOffset) {LIMITED_METHOD_CONTRACT;}
inline VOID StubLinker::UnwindAllocStack (SHORT FrameSizeIncrement) {LIMITED_METHOD_CONTRACT;}
inline VOID StubLinker::UnwindSetFramePointer (UCHAR reg) {LIMITED_METHOD_CONTRACT;}
inline VOID StubLinker::UnwindPushedReg (UCHAR reg)
{
LIMITED_METHOD_CONTRACT;
m_stackSize += sizeof(void*);
}
#endif // !STUBLINKER_GENERATES_UNWIND_INFO
#endif // !__STUBLINK_INL__
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