llvm::BPFCoreSharedInfo Class Reference

#include "Target/BPF/BPFCORE.h"

Public Types
enum	PatchableRelocKind : uint32_t {   FIELD_BYTE_OFFSET = 0 , FIELD_BYTE_SIZE , FIELD_EXISTENCE , FIELD_SIGNEDNESS ,   FIELD_LSHIFT_U64 , FIELD_RSHIFT_U64 , BTF_TYPE_ID_LOCAL , BTF_TYPE_ID_REMOTE ,   TYPE_EXISTENCE , TYPE_SIZE , ENUM_VALUE_EXISTENCE , ENUM_VALUE ,   TYPE_MATCH , MAX_FIELD_RELOC_KIND }
enum	BTFTypeIdFlag : uint32_t { BTF_TYPE_ID_LOCAL_RELOC = 0 , BTF_TYPE_ID_REMOTE_RELOC , MAX_BTF_TYPE_ID_FLAG }
enum	PreserveTypeInfo : uint32_t { PRESERVE_TYPE_INFO_EXISTENCE = 0 , PRESERVE_TYPE_INFO_SIZE , PRESERVE_TYPE_INFO_MATCH , MAX_PRESERVE_TYPE_INFO_FLAG }
enum	PreserveEnumValue : uint32_t { PRESERVE_ENUM_VALUE_EXISTENCE = 0 , PRESERVE_ENUM_VALUE , MAX_PRESERVE_ENUM_VALUE_FLAG }

Static Public Member Functions
static Instruction *	insertPassThrough (Module *M, BasicBlock *BB, Instruction *Input, Instruction *Before)
	Insert a bpf passthrough builtin function.

Static Public Attributes
static constexpr StringRef	AmaAttr = "btf_ama"
	The attribute attached to globals representing a field access.
static constexpr StringRef	TypeIdAttr = "btf_type_id"
	The attribute attached to globals representing a type id.
static uint32_t	SeqNum
	llvm.bpf.passthrough builtin seq number

Detailed Description

Definition at line 20 of file BPFCORE.h.

Member Enumeration Documentation

BTFTypeIdFlag

enum llvm::BPFCoreSharedInfo::BTFTypeIdFlag : uint32_t

Enumerator
BTF_TYPE_ID_LOCAL_RELOC
BTF_TYPE_ID_REMOTE_RELOC
MAX_BTF_TYPE_ID_FLAG

Definition at line 40 of file BPFCORE.h.

PatchableRelocKind

enum llvm::BPFCoreSharedInfo::PatchableRelocKind : uint32_t

Enumerator
FIELD_BYTE_OFFSET
FIELD_BYTE_SIZE
FIELD_EXISTENCE
FIELD_SIGNEDNESS
FIELD_LSHIFT_U64
FIELD_RSHIFT_U64
BTF_TYPE_ID_LOCAL
BTF_TYPE_ID_REMOTE
TYPE_EXISTENCE
TYPE_SIZE
ENUM_VALUE_EXISTENCE
ENUM_VALUE
TYPE_MATCH
MAX_FIELD_RELOC_KIND

Definition at line 22 of file BPFCORE.h.

PreserveEnumValue

enum llvm::BPFCoreSharedInfo::PreserveEnumValue : uint32_t

Enumerator
PRESERVE_ENUM_VALUE_EXISTENCE
PRESERVE_ENUM_VALUE
MAX_PRESERVE_ENUM_VALUE_FLAG

Definition at line 55 of file BPFCORE.h.

PreserveTypeInfo

enum llvm::BPFCoreSharedInfo::PreserveTypeInfo : uint32_t

Enumerator
PRESERVE_TYPE_INFO_EXISTENCE
PRESERVE_TYPE_INFO_SIZE
PRESERVE_TYPE_INFO_MATCH
MAX_PRESERVE_TYPE_INFO_FLAG

Definition at line 47 of file BPFCORE.h.

Member Function Documentation

insertPassThrough()

Instruction * llvm::BPFCoreSharedInfo::insertPassThrough ( Module *  M, BasicBlock *  BB, Instruction *  Input, Instruction *  Before  )

static

Insert a bpf passthrough builtin function.

Definition at line 101 of file BPFAbstractMemberAccess.cpp.

References llvm::CallInst::Create(), llvm::ConstantInt::get(), llvm::BasicBlock::getContext(), llvm::Intrinsic::getDeclaration(), llvm::Type::getInt32Ty(), llvm::Value::getType(), llvm::Instruction::insertBefore(), and SeqNum.

Member Data Documentation

AmaAttr

constexpr StringRef llvm::BPFCoreSharedInfo::AmaAttr = "btf_ama"

staticconstexpr

The attribute attached to globals representing a field access.

Definition at line 63 of file BPFCORE.h.

Referenced by llvm::BTFDebug::InstLower().

SeqNum

uint32_t llvm::BPFCoreSharedInfo::SeqNum

static

llvm.bpf.passthrough builtin seq number

Definition at line 68 of file BPFCORE.h.

Referenced by insertPassThrough().

TypeIdAttr

constexpr StringRef llvm::BPFCoreSharedInfo::TypeIdAttr = "btf_type_id"

staticconstexpr

The attribute attached to globals representing a type id.

Definition at line 65 of file BPFCORE.h.

Referenced by llvm::BTFDebug::InstLower().

---

The documentation for this class was generated from the following files:

• lib/Target/BPF/BPFCORE.h
• lib/Target/BPF/BPFAbstractMemberAccess.cpp
• lib/Target/BPF/BPFPreserveDIType.cpp