llvm::ARM::WinEH Namespace Reference

Classes
class	RuntimeFunction
struct	EpilogueScope
struct	ExceptionDataRecord
Enumerations
enum	RuntimeFunctionFlag { RFF_Unpacked, RFF_Packed, RFF_PackedFragment, RFF_Reserved }
enum	ReturnType { RT_POP, RT_B, RT_BW, RT_NoEpilogue }
Functions
bool	PrologueFolding (const RuntimeFunction &RF)
bool	EpilogueFolding (const RuntimeFunction &RF)
uint16_t	StackAdjustment (const RuntimeFunction &RF)
std::pair< uint16_t, uint32_t >	SavedRegisterMask (const RuntimeFunction &RF)
size_t	HeaderWords (const ExceptionDataRecord &XR)

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Enumeration Type Documentation

enum llvm::ARM::WinEH::ReturnType

Enumerator:

RT_POP
RT_B	return via pop {pc} (L flag must be set)
RT_BW	16-bit branch
RT_NoEpilogue	32-bit branch

Definition at line 26 of file ARMWinEH.h.

enum llvm::ARM::WinEH::RuntimeFunctionFlag

Enumerator:

RFF_Unpacked
RFF_Packed	unpacked entry
RFF_PackedFragment	packed entry
RFF_Reserved	packed entry representing a fragment

Definition at line 19 of file ARMWinEH.h.

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Function Documentation

bool llvm::ARM::WinEH::EpilogueFolding

(

const RuntimeFunction &

RF

)

[inline]

Epilogue - pseudo-flag derived from Stack Adjust indicating that the epilogue has stack adjustment combined into the pop

Definition at line 191 of file ARMWinEH.h.

References llvm::ARM::WinEH::RuntimeFunction::StackAdjust().

size_t llvm::ARM::WinEH::HeaderWords

(

const ExceptionDataRecord &

XR

)

[inline]

Definition at line 375 of file ARMWinEH.h.

References llvm::ARM::WinEH::ExceptionDataRecord::Data.

Referenced by llvm::ARM::WinEH::ExceptionDataRecord::CodeWords(), llvm::ARM::WinEH::ExceptionDataRecord::EpilogueCount(), llvm::ARM::WinEH::ExceptionDataRecord::EpilogueScopes(), llvm::ARM::WinEH::ExceptionDataRecord::ExceptionHandlerParameter(), llvm::ARM::WinEH::ExceptionDataRecord::ExceptionHandlerRVA(), and llvm::ARM::WinEH::ExceptionDataRecord::UnwindByteCode().

bool llvm::ARM::WinEH::PrologueFolding

(

const RuntimeFunction &

RF

)

[inline]

PrologueFolding - pseudo-flag derived from Stack Adjust indicating that the prologue has stack adjustment combined into the push

Definition at line 186 of file ARMWinEH.h.

References llvm::ARM::WinEH::RuntimeFunction::StackAdjust().

Referenced by SavedRegisterMask().

std::pair< uint16_t, uint32_t > llvm::ARM::WinEH::SavedRegisterMask

(

const RuntimeFunction &

RF

)

SavedRegisterMask - Utility function to calculate the set of saved general purpose (r0-r15) and VFP (d0-d31) registers.

Definition at line 16 of file ARMWinEH.cpp.

References llvm::ARM::WinEH::RuntimeFunction::C(), llvm::ARM::WinEH::RuntimeFunction::L(), PrologueFolding(), llvm::ARM::WinEH::RuntimeFunction::R(), llvm::ARM::WinEH::RuntimeFunction::Reg(), and llvm::ARM::WinEH::RuntimeFunction::StackAdjust().

uint16_t llvm::ARM::WinEH::StackAdjustment

(

const RuntimeFunction &

RF

)

[inline]

StackAdjustment - calculated stack adjustment in words. The stack adjustment should be determined via this function to account for the special handling the special encoding when the value is >= 0x3f4.

Definition at line 197 of file ARMWinEH.h.

References llvm::ARM::WinEH::RuntimeFunction::StackAdjust().