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[cDAC] PR 3/5: ArgIterator port from crossgen2 #10

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[cDAC] PR 3/5: ArgIterator port from crossgen2 #10

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12 changes: 12 additions & 0 deletions src/coreclr/vm/datadescriptor/datadescriptor.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -986,6 +986,18 @@ CDAC_TYPE_FIELD(TransitionBlock, T_UINT32, FirstGCRefMapSlot, offsetof(Transitio
CDAC_TYPE_FIELD(TransitionBlock, T_UINT32, ArgumentRegistersOffset, offsetof(TransitionBlock, m_argumentRegisters))
CDAC_TYPE_FIELD(TransitionBlock, T_UINT32, FirstGCRefMapSlot, offsetof(TransitionBlock, m_argumentRegisters))
#endif
// Negative offset to where float argument registers are saved (relative to TransitionBlock pointer).
// This is -sizeof(FloatArgumentRegisters) (-padding) on platforms that have them, 0 otherwise.
#ifdef CALLDESCR_FPARGREGS
#ifdef TARGET_ARM
// ARM has 8-byte alignment padding after FloatArgumentRegisters
CDAC_TYPE_FIELD(TransitionBlock, T_INT32, OffsetOfFloatArgumentRegisters, -(int)(sizeof(FloatArgumentRegisters) + TARGET_POINTER_SIZE))
#else
CDAC_TYPE_FIELD(TransitionBlock, T_INT32, OffsetOfFloatArgumentRegisters, -(int)sizeof(FloatArgumentRegisters))
#endif
#else
CDAC_TYPE_FIELD(TransitionBlock, T_INT32, OffsetOfFloatArgumentRegisters, 0)
#endif
CDAC_TYPE_END(TransitionBlock)

#ifdef DEBUGGING_SUPPORTED
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