Classes
struct	InstructionMask
	Instruction mask entry for R_HEX_6_X / R_HEX_16_X lookup. More...

Enumerations
enum	EdgeKind_hexagon : Edge::Kind { Pointer32 = Edge::FirstRelocation , PCRel32 , B22_PCREL , B15_PCREL , B13_PCREL , B9_PCREL , B7_PCREL , HI16 , LO16 , Word32_6_X , B32_PCREL_X , B22_PCREL_X , B15_PCREL_X , B13_PCREL_X , B9_PCREL_X , B7_PCREL_X , Word6_X , Word6_PCREL_X , Word8_X , Word9_X , Word10_X , Word11_X , Word12_X , Word16_X }
	Represents Hexagon fixup kinds. More...

Functions
LLVM_ABI const char *	getEdgeKindName (Edge::Kind K)
	Returns a string name for the given Hexagon edge kind.
constexpr uint32_t	applyMask (uint32_t Mask, uint32_t Data)
	Spread data bits into instruction word according to mask.
bool	isDuplex (uint32_t Insn)
Expected< uint32_t >	findMaskR6 (uint32_t Insn)
Expected< uint32_t >	findMaskR8 (uint32_t Insn)
Expected< uint32_t >	findMaskR11 (uint32_t Insn)
Expected< uint32_t >	findMaskR16 (uint32_t Insn)
Error	applyFixup (LinkGraph &G, Block &B, const Edge &E)
	Apply fixup expression for edge to block content.

Variables
constexpr uint32_t	PointerSize = 4
	Hexagon pointer size.
constexpr InstructionMask	R6Masks []
	Mask table for R_HEX_6_X relocations, indexed by instruction class.
constexpr uint32_t	InstParsePacketEnd = 0x0000c000

Enumeration Type Documentation

◆ EdgeKind_hexagon

enum llvm::jitlink::hexagon::EdgeKind_hexagon : Edge::Kind

Represents Hexagon fixup kinds.

Enumerator
Pointer32	Full 32-bit absolute pointer. Fixup <- Target + Addend : uint32
PCRel32	32-bit PC-relative. Fixup <- Target - Fixup + Addend : int32
B22_PCREL	22-bit PC-relative branch (shifted right by 2). Fixup <- (Target - Fixup + Addend) >> 2 : int22 Mask: 0x01ff3ffe
B15_PCREL	15-bit PC-relative branch (shifted right by 2). Fixup <- (Target - Fixup + Addend) >> 2 : int15 Mask: 0x00df20fe
B13_PCREL	13-bit PC-relative branch (shifted right by 2). Fixup <- (Target - Fixup + Addend) >> 2 : int13 Mask: 0x00202ffe
B9_PCREL	9-bit PC-relative branch (shifted right by 2). Fixup <- (Target - Fixup + Addend) >> 2 : int9 Mask: 0x003000fe
B7_PCREL	7-bit PC-relative branch (shifted right by 2). Fixup <- (Target - Fixup + Addend) >> 2 : int7 Mask: 0x00001f18
HI16	High 16 bits of absolute address. Fixup <- (Target + Addend) >> 16 Mask: 0x00c03fff
LO16	Low 16 bits of absolute address. Fixup <- (Target + Addend) & 0xffff Mask: 0x00c03fff
Word32_6_X	32-bit absolute, upper 26 bits via constant extender (shifted right by 6). Fixup <- (Target + Addend) >> 6 Mask: 0x0fff3fff
B32_PCREL_X	32-bit PC-relative, upper 26 bits via constant extender (shifted by 6). Fixup <- (Target - Fixup + Addend) >> 6 Mask: 0x0fff3fff
B22_PCREL_X	22-bit PC-relative branch, lower 6 bits via extender. Fixup <- (Target - Fixup + Addend) & 0x3f Mask: 0x01ff3ffe
B15_PCREL_X	15-bit PC-relative branch, lower 6 bits via extender. Fixup <- (Target - Fixup + Addend) & 0x3f Mask: 0x00df20fe
B13_PCREL_X	13-bit PC-relative branch, lower 6 bits via extender. Fixup <- (Target - Fixup + Addend) & 0x3f Mask: 0x00202ffe
B9_PCREL_X	9-bit PC-relative branch, lower 6 bits via extender. Fixup <- (Target - Fixup + Addend) & 0x3f Mask: 0x003000fe
B7_PCREL_X	7-bit PC-relative branch, lower 6 bits via extender. Fixup <- (Target - Fixup + Addend) & 0x3f Mask: 0x00001f18
Word6_X	6-bit absolute extended. Fixup <- (Target + Addend) & mask (instruction-dependent)
Word6_PCREL_X	6-bit PC-relative extended. Fixup <- (Target - Fixup + Addend) & mask (instruction-dependent)
Word8_X	8-bit absolute extended.
Word9_X	9-bit absolute extended (6 effective bits).
Word10_X	10-bit absolute extended (6 effective bits).
Word11_X	11-bit absolute extended (6 effective bits).
Word12_X	12-bit absolute extended.
Word16_X	16-bit absolute extended (6 effective bits).

Definition at line 23 of file hexagon.h.

Function Documentation

◆ applyFixup()

Error llvm::jitlink::hexagon::applyFixup	(	LinkGraph &	G,
		Block &	B,
		const Edge &	E )

inline

Apply fixup expression for edge to block content.

Definition at line 236 of file hexagon.h.

References applyMask(), B(), B13_PCREL, B13_PCREL_X, B15_PCREL, B15_PCREL_X, B22_PCREL, B22_PCREL_X, B32_PCREL_X, B7_PCREL, B7_PCREL_X, B9_PCREL, B9_PCREL_X, E(), findMaskR11(), findMaskR16(), findMaskR6(), findMaskR8(), G, getEdgeKindName(), HI16, llvm::isInt(), LO16, llvm::make_error(), llvm::jitlink::makeTargetOutOfRangeError(), llvm::or32le(), P, PCRel32, Pointer32, llvm::support::endian::read32le(), llvm::Error::success(), Word10_X, Word11_X, Word12_X, Word16_X, Word32_6_X, Word6_PCREL_X, Word6_X, Word8_X, Word9_X, and llvm::support::endian::write32le().

◆ applyMask()

uint32_t llvm::jitlink::hexagon::applyMask	(	uint32_t	Mask,
		uint32_t	Data )

constexpr

Spread data bits into instruction word according to mask.

For each set bit in mask (scanning low to high), the corresponding bit position in the result gets the next data bit.

Definition at line 138 of file hexagon.h.

References llvm::Data.

Referenced by applyFixup().

◆ findMaskR11()

Expected< uint32_t > llvm::jitlink::hexagon::findMaskR11 ( uint32_t Insn )

inline

Definition at line 199 of file hexagon.h.

References isDuplex().

Referenced by applyFixup().

◆ findMaskR16()

Expected< uint32_t > llvm::jitlink::hexagon::findMaskR16 ( uint32_t Insn )

inline

Definition at line 207 of file hexagon.h.

References I, InstParsePacketEnd, isDuplex(), llvm::make_error(), R6Masks, and llvm::utohexstr().

Referenced by applyFixup().

◆ findMaskR6()

Expected< uint32_t > llvm::jitlink::hexagon::findMaskR6 ( uint32_t Insn )

inline

Definition at line 178 of file hexagon.h.

References I, isDuplex(), llvm::make_error(), R6Masks, and llvm::utohexstr().

Referenced by applyFixup().

◆ findMaskR8()

Expected< uint32_t > llvm::jitlink::hexagon::findMaskR8 ( uint32_t Insn )

inline

Definition at line 189 of file hexagon.h.

References isDuplex().

Referenced by applyFixup().

◆ getEdgeKindName()

const char * llvm::jitlink::hexagon::getEdgeKindName ( Edge::Kind K )

Returns a string name for the given Hexagon edge kind.

Definition at line 19 of file hexagon.cpp.

References B13_PCREL, B13_PCREL_X, B15_PCREL, B15_PCREL_X, B22_PCREL, B22_PCREL_X, B32_PCREL_X, B7_PCREL, B7_PCREL_X, B9_PCREL, B9_PCREL_X, llvm::jitlink::getGenericEdgeKindName(), HI16, LO16, PCRel32, Pointer32, Word10_X, Word11_X, Word12_X, Word16_X, Word32_6_X, Word6_PCREL_X, Word6_X, Word8_X, and Word9_X.

Referenced by applyFixup().

◆ isDuplex()

bool llvm::jitlink::hexagon::isDuplex ( uint32_t Insn )

inline

Definition at line 176 of file hexagon.h.

References InstParsePacketEnd.

Referenced by findMaskR11(), findMaskR16(), findMaskR6(), and findMaskR8().

Variable Documentation

◆ InstParsePacketEnd

uint32_t llvm::jitlink::hexagon::InstParsePacketEnd = 0x0000c000

inlineconstexpr

Definition at line 174 of file hexagon.h.

Referenced by findMaskR16(), and isDuplex().

◆ PointerSize

uint32_t llvm::jitlink::hexagon::PointerSize = 4

constexpr

Hexagon pointer size.

Definition at line 133 of file hexagon.h.

◆ R6Masks

InstructionMask llvm::jitlink::hexagon::R6Masks[]

inlineconstexpr

Initial value:

= {
    {0x38000000, 0x0000201f}, {0x39000000, 0x0000201f},
    {0x3e000000, 0x00001f80}, {0x3f000000, 0x00001f80},
    {0x40000000, 0x000020f8}, {0x41000000, 0x000007e0},
    {0x42000000, 0x000020f8}, {0x43000000, 0x000007e0},
    {0x44000000, 0x000020f8}, {0x45000000, 0x000007e0},
    {0x46000000, 0x000020f8}, {0x47000000, 0x000007e0},
    {0x6a000000, 0x00001f80}, {0x7c000000, 0x001f2000},
    {0x9a000000, 0x00000f60}, {0x9b000000, 0x00000f60},
    {0x9c000000, 0x00000f60}, {0x9d000000, 0x00000f60},
    {0x9f000000, 0x001f0100}, {0xab000000, 0x0000003f},
    {0xad000000, 0x0000003f}, {0xaf000000, 0x00030078},
    {0xd7000000, 0x006020e0}, {0xd8000000, 0x006020e0},
    {0xdb000000, 0x006020e0}, {0xdf000000, 0x006020e0}}

Mask table for R_HEX_6_X relocations, indexed by instruction class.

Definition at line 159 of file hexagon.h.

Referenced by findMaskR16(), and findMaskR6().

Classes

Enumerations

Functions

Variables

Enumeration Type Documentation

◆ EdgeKind_hexagon

Function Documentation

◆ applyFixup()

◆ applyMask()

◆ findMaskR11()

◆ findMaskR16()

◆ findMaskR6()

◆ findMaskR8()

◆ getEdgeKindName()

◆ isDuplex()

Variable Documentation

◆ InstParsePacketEnd

◆ PointerSize

◆ R6Masks