adjust Namespace Reference

Namespaces
	ldi
	Fixups relating to the LDI instruction.

Functions
void	signed_width (unsigned Width, uint64_t Value, std::string Description, const MCFixup &Fixup, MCContext *Ctx=nullptr)
void	unsigned_width (unsigned Width, uint64_t Value, std::string Description, const MCFixup &Fixup, MCContext *Ctx=nullptr)
void	adjustBranch (unsigned Size, const MCFixup &Fixup, uint64_t &Value, MCContext *Ctx=nullptr)
	Adjusts the value of a branch target before fixup application. More...
void	adjustRelativeBranch (unsigned Size, const MCFixup &Fixup, uint64_t &Value, MCContext *Ctx=nullptr)
	Adjusts the value of a relative branch target before fixup application. More...
void	fixup_call (unsigned Size, const MCFixup &Fixup, uint64_t &Value, MCContext *Ctx=nullptr)
	22-bit absolute fixup. More...
void	fixup_7_pcrel (unsigned Size, const MCFixup &Fixup, uint64_t &Value, MCContext *Ctx=nullptr)
	7-bit PC-relative fixup. More...
void	fixup_13_pcrel (unsigned Size, const MCFixup &Fixup, uint64_t &Value, MCContext *Ctx=nullptr)
	12-bit PC-relative fixup. More...
void	fixup_6_adiw (const MCFixup &Fixup, uint64_t &Value, MCContext *Ctx=nullptr)
	6-bit fixup for the immediate operand of the ADIW family of instructions. More...
void	fixup_port5 (const MCFixup &Fixup, uint64_t &Value, MCContext *Ctx=nullptr)
	5-bit port number fixup on the SBIC family of instructions. More...
void	fixup_port6 (const MCFixup &Fixup, uint64_t &Value, MCContext *Ctx=nullptr)
	6-bit port number fixup on the IN family of instructions. More...
void	pm (uint64_t &Value)
	Adjusts a program memory address. More...

Function Documentation

adjustBranch()

void adjust::adjustBranch	(	unsigned	Size,
		const MCFixup &	Fixup,
		uint64_t &	Value,
		MCContext *	Ctx = nullptr
	)

Adjusts the value of a branch target before fixup application.

Definition at line 76 of file AVRAsmBackend.cpp.

References llvm::AVR::fixups::adjustBranchTarget(), and unsigned_width().

Referenced by fixup_call().

adjustRelativeBranch()

void adjust::adjustRelativeBranch	(	unsigned	Size,
		const MCFixup &	Fixup,
		uint64_t &	Value,
		MCContext *	Ctx = nullptr
	)

Adjusts the value of a relative branch target before fixup application.

Definition at line 87 of file AVRAsmBackend.cpp.

References llvm::AVR::fixups::adjustBranchTarget(), and signed_width().

Referenced by fixup_13_pcrel(), and fixup_7_pcrel().

fixup_13_pcrel()

void adjust::fixup_13_pcrel	(	unsigned	Size,
		const MCFixup &	Fixup,
		uint64_t &	Value,
		MCContext *	Ctx = nullptr
	)

12-bit PC-relative fixup.

Yes, the fixup is 12 bits even though the name says otherwise.

Resolves to: 0000 kkkk kkkk kkkk Offset of 0 (so the result isn't left-shifted before application).

Definition at line 135 of file AVRAsmBackend.cpp.

References adjustRelativeBranch().

Referenced by llvm::AVRAsmBackend::adjustFixupValue(), and llvm::AVRAsmBackend::shouldForceRelocation().

fixup_6_adiw()

void adjust::fixup_6_adiw	(	const MCFixup &	Fixup,
		uint64_t &	Value,
		MCContext *	Ctx = nullptr
	)

6-bit fixup for the immediate operand of the ADIW family of instructions.

Resolves to: 0000 0000 kk00 kkkk

Definition at line 148 of file AVRAsmBackend.cpp.

References unsigned_width().

Referenced by llvm::AVRAsmBackend::adjustFixupValue().

fixup_7_pcrel()

void adjust::fixup_7_pcrel	(	unsigned	Size,
		const MCFixup &	Fixup,
		uint64_t &	Value,
		MCContext *	Ctx = nullptr
	)

7-bit PC-relative fixup.

Resolves to: 0000 00kk kkkk k000 Offset of 0 (so the result is left shifted by 3 bits before application).

Definition at line 121 of file AVRAsmBackend.cpp.

References adjustRelativeBranch().

Referenced by llvm::AVRAsmBackend::adjustFixupValue(), and llvm::AVRAsmBackend::shouldForceRelocation().

fixup_call()

void adjust::fixup_call	(	unsigned	Size,
		const MCFixup &	Fixup,
		uint64_t &	Value,
		MCContext *	Ctx = nullptr
	)

22-bit absolute fixup.

Resolves to: 1001 kkkk 010k kkkk kkkk kkkk 111k kkkk

Offset of 0 (so the result is left shifted by 3 bits before application).

Definition at line 105 of file AVRAsmBackend.cpp.

References adjustBranch().

Referenced by llvm::AVRAsmBackend::adjustFixupValue(), and llvm::AVRAsmBackend::shouldForceRelocation().

fixup_port5()

void adjust::fixup_port5	(	const MCFixup &	Fixup,
		uint64_t &	Value,
		MCContext *	Ctx = nullptr
	)

5-bit port number fixup on the SBIC family of instructions.

Resolves to: 0000 0000 AAAA A000

Definition at line 159 of file AVRAsmBackend.cpp.

References unsigned_width().

Referenced by llvm::AVRAsmBackend::adjustFixupValue().

fixup_port6()

void adjust::fixup_port6	(	const MCFixup &	Fixup,
		uint64_t &	Value,
		MCContext *	Ctx = nullptr
	)

6-bit port number fixup on the IN family of instructions.

Resolves to: 1011 0AAd dddd AAAA

Definition at line 172 of file AVRAsmBackend.cpp.

References unsigned_width().

Referenced by llvm::AVRAsmBackend::adjustFixupValue().

pm()

void adjust::pm

(

uint64_t &

Value

)

Adjusts a program memory address.

This is a simple right-shift.

Definition at line 181 of file AVRAsmBackend.cpp.

Referenced by llvm::AVRAsmBackend::adjustFixupValue(), and llvm::Regex::match().

signed_width()

void adjust::signed_width	(	unsigned	Width,
		uint64_t	Value,
		std::string	Description,
		const MCFixup &	Fixup,
		MCContext *	Ctx = nullptr
	)

Definition at line 38 of file AVRAsmBackend.cpp.

References llvm::MCFixup::getLoc(), llvm::isIntN(), llvm_unreachable, llvm::maxIntN(), llvm::minIntN(), and llvm::to_string().

Referenced by adjustRelativeBranch().

unsigned_width()

void adjust::unsigned_width	(	unsigned	Width,
		uint64_t	Value,
		std::string	Description,
		const MCFixup &	Fixup,
		MCContext *	Ctx = nullptr
	)

Definition at line 57 of file AVRAsmBackend.cpp.

References llvm::MCFixup::getLoc(), llvm::isUIntN(), llvm_unreachable, llvm::maxUIntN(), and llvm::to_string().

Referenced by adjustBranch(), llvm::AVRAsmBackend::adjustFixupValue(), fixup_6_adiw(), fixup_port5(), and fixup_port6().