[x86/Linux] Fix WIN64EXCEPTIONS build error (#8629)

* Move GetUnwindInfo and GetNumberOfUnwindInfos into the real code header

This commit fixes #8342.

* Use WIN64EXCEPTIONS instead of _TARGET_X86_

* Revise FaultingExceptionFrame

This commit revises FaultingExceptionFrame to support WIN64EXCEPTIONS in
x86/Linux port.

* Add RUNTIME_FUNCTION__EndAddress as NYI

* Revise regdisp.h

* Revise eetwain.h

* Comment out exinfo.cpp if WIN64EXCEPTIONS is defined

* Revises excep.cpp

* Fix mistmatch in ThrowControlForThread defintion

* Revises cgenx86.cpp

* Disable SEH-based exception handlers when WIN64EXCEPTIONS is defined

* Revise stackwalk.cpp

* Revise jitinterface.cpp

* Revise readytorun.h

* Revise dbgipcevents.h

* Revise zapcode.cpp

* Revise clrnt.h

* Fix Windows build error

* Mark FaultingExceptionFrame::UpdateRegDisplay as NYI

* Revise per feedback

* Revert #if defined(..) as #ifdef

* Fix style changes

* Fix style changes

* Remove #undef _TARGET_X86_

* 2nd attempt to fix Windows build error

* Revise per feedback

* Revert the chagnes in clrdefinitions.cmake and add BIT32 in CMakeLists.txt

* Use !BIT64 instead of BIT32

* Include exceptionhandling.cpp and gcinfodecoder.cpp in build

This commit includes exceptionhandling.cpp and gcinfodecoder.cpp in
build, and fixes related compile errors.

* Fix COMPlus_EndCatch undefined reference

* Fix build error

* Fix GcInfoDecoder-related undefined references

* Fix AdjustContextForVirtualStub undefined reference

* Fix GetCallerSP undefined reference

* Fix ResetThreadAbortState undefined reference

* Attempt to fix Windows build error

* Fix CLRNoCatchHandler undefined reference

* Another attemp to fix Windows build error

* Fix GetXXXFromRedirectedStubStackFrame undefined references

* Fix Windows Build Error

* Add RtlpGetFunctionEndAddress and RtlVirtualUnwind as NYI

* Fix undefined references on JIT helpers

* Enable Dummy Application Run with WIN64EXCEPTIONS

* Revert "Move GetUnwindInfo and GetNumberOfUnwindInfos into the real code header"

This reverts commit c2bad85ac1136be3c6fb6ad7eedc5b3814b2ab29.

* Use indirect code header when WIN64EXCEPTIONS is enabled

* Port 'SyncRegDisplayToCurrentContext' and 'FillRegDisplay'

* Revise style 'RUNTIME_FUNCTION__SetUnwindInfoAddress'

* Extract out HandlerData from #ifdef region

* Add UNIXTODO

* Add UNIXTODO

* Port 'GetRegdisplayReturnValue'

* Fix incorrect comment

* Remove messages that mentions WIN32EXCEPTIONS

* Revise AdjustContextForWriteBarrier

* Port 'FaultingExceptionFrame::UpdateRegDisplay'

* Extract out 'AdjustContextForVirtualStub' and 'CLRNoCatchHandler' from #ifdef region

* Merge two #ifdef regions

* Set WIN64EXCEPTIONS as a default for x86/Linux

* Remove unnecessary #ifdef from ThrowControlForThread

* Remove unnecessary stubs

* Add Dependency Check between Compile Flags

* Revise per feedback

1 files changed, 13 insertions, 7 deletions

diff --git a/src/vm/frames.h b/src/vm/frames.h
index 91ab3c3e5f..e37f980b9f 100644
--- a/src/vm/frames.h
+++ b/src/vm/frames.h
@@ -1114,17 +1114,19 @@ class FaultingExceptionFrame : public Frame
 {
     friend class CheckAsmOffsets;
 
-#if defined(_TARGET_X86_)
+#ifndef WIN64EXCEPTIONS
+#ifdef _TARGET_X86_
     DWORD                   m_Esp;
     CalleeSavedRegisters    m_regs;
     TADDR                   m_ReturnAddress;
-#endif
-
-#ifdef WIN64EXCEPTIONS
+#else  // _TARGET_X86_
+    #error "Unsupported architecture"
+#endif // _TARGET_X86_
+#else // WIN64EXCEPTIONS
     BOOL                    m_fFilterExecuted;  // Flag for FirstCallToHandler
     TADDR                   m_ReturnAddress;
     T_CONTEXT               m_ctx;
-#endif // WIN64EXCEPTIONS
+#endif // !WIN64EXCEPTIONS
 
     VPTR_VTABLE_CLASS(FaultingExceptionFrame, Frame)
 
@@ -1156,13 +1158,17 @@ public:
         return FRAME_ATTR_EXCEPTION | FRAME_ATTR_FAULTED;
     }
 
-#if defined(_TARGET_X86_)
+#ifndef WIN64EXCEPTIONS
     CalleeSavedRegisters *GetCalleeSavedRegisters()
     {
+#ifdef _TARGET_X86_
         LIMITED_METHOD_DAC_CONTRACT;
         return &m_regs;
+#else
+        PORTABILITY_ASSERT("GetCalleeSavedRegisters");
+#endif // _TARGET_X86_
     }
-#endif
+#endif // WIN64EXCEPTIONS
 
 #ifdef WIN64EXCEPTIONS
     T_CONTEXT *GetExceptionContext ()