BTF.h Source File (original) (raw)

48#ifndef LLVM_LIB_TARGET_BPF_BTF_H

49#define LLVM_LIB_TARGET_BPF_BTF_H

54namespace llvm {

60enum {

76};

93 MAX_VLEN = 0xffff

94};

97#define HANDLE_BTF_KIND(ID, NAME) BTF_KIND_##NAME = ID,

98#include "BTF.def"

99};

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306#define BTF_DEFINE_TAIL(Type, Accessor) \

307 const Type &Accessor() const { return *getTrailingObjects(); }

308

309

310

311#define BTF_DEFINE_TAIL_ARR(Type, Accessor) \

312 ArrayRef Accessor() const { return getTrailingObjects(getVlen()); }

313

318

320 return V->getKind() == BTF_KIND_ARRAY;

321 }

322};

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330 return V->getKind() == BTF_KIND_STRUCT || V->getKind() == BTF_KIND_UNION;

331 }

332};

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339 return V->getKind() == BTF_KIND_ENUM;

340 }

341};

342

347

349 return V->getKind() == BTF_KIND_ENUM64;

350 }

351};

352

353#undef BTF_DEFINE_TAIL

354#undef BTF_DEFINE_TAIL_ARR

355

356}

357}

358

359#endif

#define BTF_DEFINE_TAIL(Type, Accessor)

Definition BTF.h:306

#define BTF_DEFINE_TAIL_ARR(Type, Accessor)

Definition BTF.h:311

static std::array< T, N > getArray(const MachOObjectFile &O, const void *Ptr)

This header defines support for implementing classes that have some trailing object (or arrays of obj...

TypeKinds

Definition BTF.h:96

@ INT_CHAR

Definition BTF.h:147

@ INT_SIGNED

Definition BTF.h:146

@ INT_BOOL

Definition BTF.h:148

constexpr uint32_t ENUM_SIGNED_FLAG

Definition BTF.h:103

@ VAR_GLOBAL_ALLOCATED

Linkage: ExternalLinkage.

Definition BTF.h:209

@ VAR_STATIC

Linkage: InternalLinkage.

Definition BTF.h:208

@ VAR_GLOBAL_EXTERNAL

Linkage: ExternalLinkage.

Definition BTF.h:210

@ VERSION

Definition BTF.h:57

@ MAGIC

Definition BTF.h:57

@ BTFEnum64Size

Definition BTF.h:66

@ BTFArraySize

Definition BTF.h:64

@ BPFFuncInfoSize

Definition BTF.h:73

@ BTFMemberSize

Definition BTF.h:67

@ BTFEnumSize

Definition BTF.h:65

@ HeaderSize

Definition BTF.h:61

@ ExtHeaderSize

Definition BTF.h:62

@ SecLineInfoSize

Definition BTF.h:71

@ SecFieldRelocSize

Definition BTF.h:72

@ BPFLineInfoSize

Definition BTF.h:74

@ SecFuncInfoSize

Definition BTF.h:70

@ BTFParamSize

Definition BTF.h:68

@ BPFFieldRelocSize

Definition BTF.h:75

@ CommonTypeSize

Definition BTF.h:63

@ BTFDataSecVarSize

Definition BTF.h:69

@ MAX_VLEN

Max # of struct/union/enum members or func args.

Definition BTF.h:93

constexpr uint32_t FWD_UNION_FLAG

Definition BTF.h:102

PatchableRelocKind

CO-RE relocation kind codes used in .BTF.ext section.

Definition BTF.h:281

@ FIELD_RSHIFT_U64

Definition BTF.h:287

@ ENUM_VALUE

Definition BTF.h:293

@ FIELD_SIGNEDNESS

Definition BTF.h:285

@ FIELD_BYTE_OFFSET

Definition BTF.h:282

@ FIELD_BYTE_SIZE

Definition BTF.h:283

@ ENUM_VALUE_EXISTENCE

Definition BTF.h:292

@ MAX_FIELD_RELOC_KIND

Definition BTF.h:295

@ BTF_TYPE_ID_REMOTE

Definition BTF.h:289

@ TYPE_EXISTENCE

Definition BTF.h:290

@ BTF_TYPE_ID_LOCAL

Definition BTF.h:288

@ FIELD_LSHIFT_U64

Definition BTF.h:286

@ TYPE_MATCH

Definition BTF.h:294

@ TYPE_SIZE

Definition BTF.h:291

@ FIELD_EXISTENCE

Definition BTF.h:284

@ FUNC_STATIC

Definition BTF.h:201

@ FUNC_EXTERN

Definition BTF.h:203

@ FUNC_GLOBAL

Definition BTF.h:202

This is an optimization pass for GlobalISel generic memory operations.

static bool classof(const CommonType *V)

Definition BTF.h:319

friend TrailingObjects

Definition BTF.h:316

Specifying one offset relocation.

Definition BTF.h:267

uint32_t InsnOffset

Byte offset in this section.

Definition BTF.h:268

uint32_t OffsetNameOff

The string to traverse types.

Definition BTF.h:270

uint32_t RelocKind

What to patch the instruction.

Definition BTF.h:271

uint32_t TypeID

TypeID for the relocation.

Definition BTF.h:269

Specifying one function info.

Definition BTF.h:238

uint32_t InsnOffset

Byte offset in the section.

Definition BTF.h:239

uint32_t TypeId

Type id referring to .BTF type section.

Definition BTF.h:240

Specifying one line info.

Definition BTF.h:250

uint32_t getLine() const

Definition BTF.h:256

uint32_t LineCol

Line num: line_col >> 10, col num: line_col & 0x3ff.

Definition BTF.h:254

uint32_t getCol() const

Definition BTF.h:257

uint32_t FileNameOff

File name index in the .BTF string table.

Definition BTF.h:252

uint32_t InsnOffset

Byte offset in this section.

Definition BTF.h:251

uint32_t LineOff

Line index in the .BTF string table.

Definition BTF.h:253

BTF_KIND_ARRAY is followed by one "struct BTFArray".

Definition BTF.h:169

uint32_t Nelems

Number of elements for this array.

Definition BTF.h:172

uint32_t IndexType

Index type.

Definition BTF.h:171

uint32_t ElemType

Element type.

Definition BTF.h:170

BTF_KIND_DATASEC are followed by multiple "struct BTFDataSecVar".

Definition BTF.h:216

uint32_t Size

Occupied memory size.

Definition BTF.h:219

uint32_t Type

A BTF_KIND_VAR type.

Definition BTF.h:217

uint32_t Offset

In-section offset.

Definition BTF.h:218

BTF_KIND_ENUM64 is followed by multiple "struct BTFEnum64".

Definition BTF.h:162

uint32_t NameOff

Enum name offset in the string table.

Definition BTF.h:163

uint32_t Val_Hi32

Enum member hi32 value.

Definition BTF.h:165

uint32_t Val_Lo32

Enum member lo32 value.

Definition BTF.h:164

BTF_KIND_ENUM is followed by multiple "struct BTFEnum".

Definition BTF.h:154

int32_t Val

Enum member value.

Definition BTF.h:156

uint32_t NameOff

Enum name offset in the string table.

Definition BTF.h:155

BTF_KIND_STRUCT and BTF_KIND_UNION are followed by multiple "struct BTFMember".

Definition BTF.h:185

uint32_t NameOff

Member name offset in the string table.

Definition BTF.h:186

uint32_t Offset

BitOffset or BitFieldSize+BitOffset.

Definition BTF.h:188

uint32_t Type

Member type.

Definition BTF.h:187

BTF_KIND_FUNC_PROTO are followed by multiple "struct BTFParam".

Definition BTF.h:194

uint32_t Type

Definition BTF.h:196

uint32_t NameOff

Definition BTF.h:195

The BTF common type definition.

Definition BTF.h:107

uint32_t Type

Definition BTF.h:128

uint32_t Size

Definition BTF.h:127

uint32_t NameOff

Type name offset in the string table.

Definition BTF.h:109

uint32_t Info

"Info" bits arrangement: Bits 0-15: vlen (e.g.

Definition BTF.h:118

uint32_t getKind() const

Definition BTF.h:131

uint32_t getVlen() const

Definition BTF.h:132

static bool classof(const CommonType *V)

Definition BTF.h:348

friend TrailingObjects

Definition BTF.h:345

static bool classof(const CommonType *V)

Definition BTF.h:338

friend TrailingObjects

Definition BTF.h:335

Specifying offset relocation's in one section.

Definition BTF.h:275

uint32_t NumFieldReloc

Number of offset reloc's in this section.

Definition BTF.h:277

uint32_t SecNameOff

Section name index in the .BTF string table.

Definition BTF.h:276

Specifying function info's in one section.

Definition BTF.h:244

uint32_t SecNameOff

Section name index in the .BTF string table.

Definition BTF.h:245

uint32_t NumFuncInfo

Number of func info's in this section.

Definition BTF.h:246

Specifying line info's in one section.

Definition BTF.h:261

uint32_t NumLineInfo

Number of line info's in this section.

Definition BTF.h:263

uint32_t SecNameOff

Section name index in the .BTF string table.

Definition BTF.h:262

friend TrailingObjects

Definition BTF.h:326

static bool classof(const CommonType *V)

Definition BTF.h:329