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-rw-r--r--src/inc/eetwain.h5
-rw-r--r--src/vm/eetwain.cpp4
-rw-r--r--src/vm/stackwalk.cpp4
3 files changed, 10 insertions, 3 deletions
diff --git a/src/inc/eetwain.h b/src/inc/eetwain.h
index 8ff76589ca..126317eb94 100644
--- a/src/inc/eetwain.h
+++ b/src/inc/eetwain.h
@@ -36,6 +36,9 @@
#define USE_GC_INFO_DECODER
#endif
+#if (defined(_TARGET_X86_) && !defined(FEATURE_PAL)) || defined(_TARGET_AMD64_)
+#define HAS_QUICKUNWIND
+#endif
#if CHECK_APP_DOMAIN_LEAKS
#define CHECK_APP_DOMAIN GC_CALL_CHECK_APP_DOMAIN
@@ -434,6 +437,7 @@ bool UnwindStackFrame(
StackwalkCacheUnwindInfo *pUnwindInfo);
#endif // CROSSGEN_COMPILE
+#ifdef HAS_QUICKUNWIND
enum QuickUnwindFlag
{
UnwindCurrentStackFrame,
@@ -450,6 +454,7 @@ void QuickUnwindStackFrame(
PREGDISPLAY pRD,
StackwalkCacheEntry *pCacheEntry,
QuickUnwindFlag flag);
+#endif // HAS_QUICKUNWIND
/*
Is the function currently at a "GC safe point" ?
diff --git a/src/vm/eetwain.cpp b/src/vm/eetwain.cpp
index eea54a8d3d..132e54d479 100644
--- a/src/vm/eetwain.cpp
+++ b/src/vm/eetwain.cpp
@@ -3063,7 +3063,7 @@ void EECodeManager::EnsureCallerContextIsValid( PREGDISPLAY pRD, StackwalkCache
if( !pRD->IsCallerContextValid )
{
-#if !defined(DACCESS_COMPILE)
+#if !defined(DACCESS_COMPILE) && defined(HAS_QUICKUNWIND)
if (pCacheEntry != NULL)
{
// lightened schema: take stack unwind info from stackwalk cache
@@ -3104,6 +3104,7 @@ size_t EECodeManager::GetCallerSp( PREGDISPLAY pRD )
#endif // WIN64EXCEPTIONS && !CROSSGEN_COMPILE
+#ifdef HAS_QUICKUNWIND
/*
* Light unwind the current stack frame, using provided cache entry.
* pPC, Esp and pEbp of pContext are updated.
@@ -3194,6 +3195,7 @@ void EECodeManager::QuickUnwindStackFrame(PREGDISPLAY pRD, StackwalkCacheEntry *
PORTABILITY_ASSERT("EECodeManager::QuickUnwindStackFrame is not implemented on this platform.");
#endif // !_TARGET_X86_ && !_TARGET_AMD64_
}
+#endif // HAS_QUICKUNWIND
/*****************************************************************************/
#ifdef _TARGET_X86_ // UnwindStackFrame
diff --git a/src/vm/stackwalk.cpp b/src/vm/stackwalk.cpp
index 9e7f9fc49b..3ab38c31bd 100644
--- a/src/vm/stackwalk.cpp
+++ b/src/vm/stackwalk.cpp
@@ -2464,7 +2464,7 @@ StackWalkAction StackFrameIterator::NextRaw(void)
DBG_ADDR(GetRegdisplaySP(m_crawl.pRD)),
DBG_ADDR(GetControlPC(m_crawl.pRD))));
-#if !defined(DACCESS_COMPILE)
+#if !defined(DACCESS_COMPILE) && defined(HAS_QUICKUNWIND)
StackwalkCacheEntry *pCacheEntry = m_crawl.GetStackwalkCacheEntry();
if (pCacheEntry != NULL)
{
@@ -2474,7 +2474,7 @@ StackWalkAction StackFrameIterator::NextRaw(void)
EECodeManager::QuickUnwindStackFrame(m_crawl.pRD, pCacheEntry, EECodeManager::UnwindCurrentStackFrame);
}
else
-#endif // !DACCESS_COMPILE
+#endif // !DACCESS_COMPILE && HAS_QUICKUNWIND
{
#if !defined(DACCESS_COMPILE)
// non-optimized stack unwind schema, doesn't use StackwalkCache