Coverage Report

Created: 2017-06-06 22:25

/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/include/llvm/Support/ELF.h
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//===-- llvm/Support/ELF.h - ELF constants and data structures --*- C++ -*-===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header contains common, non-processor-specific data structures and
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// constants for the ELF file format.
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//
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// The details of the ELF32 bits in this file are largely based on the Tool
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// Interface Standard (TIS) Executable and Linking Format (ELF) Specification
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// Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format
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// Version 1.5, Draft 2, May 1998 as well as OpenBSD header files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_ELF_H
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#define LLVM_SUPPORT_ELF_H
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/DataTypes.h"
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#include <cstring>
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namespace llvm {
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namespace ELF {
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typedef uint32_t Elf32_Addr; // Program address
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typedef uint32_t Elf32_Off;  // File offset
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typedef uint16_t Elf32_Half;
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typedef uint32_t Elf32_Word;
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typedef int32_t Elf32_Sword;
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typedef uint64_t Elf64_Addr;
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typedef uint64_t Elf64_Off;
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typedef uint16_t Elf64_Half;
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typedef uint32_t Elf64_Word;
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typedef int32_t Elf64_Sword;
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typedef uint64_t Elf64_Xword;
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typedef int64_t Elf64_Sxword;
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// Object file magic string.
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static const char ElfMagic[] = {0x7f, 'E', 'L', 'F', '\0'};
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// e_ident size and indices.
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enum {
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  EI_MAG0 = 0,       // File identification index.
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  EI_MAG1 = 1,       // File identification index.
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  EI_MAG2 = 2,       // File identification index.
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  EI_MAG3 = 3,       // File identification index.
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  EI_CLASS = 4,      // File class.
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  EI_DATA = 5,       // Data encoding.
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  EI_VERSION = 6,    // File version.
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  EI_OSABI = 7,      // OS/ABI identification.
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  EI_ABIVERSION = 8, // ABI version.
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  EI_PAD = 9,        // Start of padding bytes.
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  EI_NIDENT = 16     // Number of bytes in e_ident.
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};
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struct Elf32_Ehdr {
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  unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes
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  Elf32_Half e_type;                // Type of file (see ET_* below)
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  Elf32_Half e_machine;   // Required architecture for this file (see EM_*)
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  Elf32_Word e_version;   // Must be equal to 1
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  Elf32_Addr e_entry;     // Address to jump to in order to start program
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  Elf32_Off e_phoff;      // Program header table's file offset, in bytes
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  Elf32_Off e_shoff;      // Section header table's file offset, in bytes
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  Elf32_Word e_flags;     // Processor-specific flags
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  Elf32_Half e_ehsize;    // Size of ELF header, in bytes
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  Elf32_Half e_phentsize; // Size of an entry in the program header table
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  Elf32_Half e_phnum;     // Number of entries in the program header table
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  Elf32_Half e_shentsize; // Size of an entry in the section header table
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  Elf32_Half e_shnum;     // Number of entries in the section header table
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  Elf32_Half e_shstrndx;  // Sect hdr table index of sect name string table
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0
  bool checkMagic() const {
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0
    return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
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0
  }
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0
  unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
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  unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
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};
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// 64-bit ELF header. Fields are the same as for ELF32, but with different
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// types (see above).
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struct Elf64_Ehdr {
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  unsigned char e_ident[EI_NIDENT];
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  Elf64_Half e_type;
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  Elf64_Half e_machine;
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  Elf64_Word e_version;
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  Elf64_Addr e_entry;
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  Elf64_Off e_phoff;
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  Elf64_Off e_shoff;
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  Elf64_Word e_flags;
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  Elf64_Half e_ehsize;
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  Elf64_Half e_phentsize;
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  Elf64_Half e_phnum;
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  Elf64_Half e_shentsize;
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  Elf64_Half e_shnum;
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  Elf64_Half e_shstrndx;
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0
  bool checkMagic() const {
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0
    return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
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0
  }
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  unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
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0
  unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
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};
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// File types
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enum {
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  ET_NONE = 0,        // No file type
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  ET_REL = 1,         // Relocatable file
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  ET_EXEC = 2,        // Executable file
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  ET_DYN = 3,         // Shared object file
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  ET_CORE = 4,        // Core file
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  ET_LOPROC = 0xff00, // Beginning of processor-specific codes
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  ET_HIPROC = 0xffff  // Processor-specific
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};
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// Versioning
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enum { EV_NONE = 0, EV_CURRENT = 1 };
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// Machine architectures
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// See current registered ELF machine architectures at:
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//    http://www.uxsglobal.com/developers/gabi/latest/ch4.eheader.html
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enum {
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  EM_NONE = 0,           // No machine
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  EM_M32 = 1,            // AT&T WE 32100
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  EM_SPARC = 2,          // SPARC
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  EM_386 = 3,            // Intel 386
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  EM_68K = 4,            // Motorola 68000
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  EM_88K = 5,            // Motorola 88000
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  EM_IAMCU = 6,          // Intel MCU
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  EM_860 = 7,            // Intel 80860
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  EM_MIPS = 8,           // MIPS R3000
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  EM_S370 = 9,           // IBM System/370
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  EM_MIPS_RS3_LE = 10,   // MIPS RS3000 Little-endian
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  EM_PARISC = 15,        // Hewlett-Packard PA-RISC
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  EM_VPP500 = 17,        // Fujitsu VPP500
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  EM_SPARC32PLUS = 18,   // Enhanced instruction set SPARC
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  EM_960 = 19,           // Intel 80960
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  EM_PPC = 20,           // PowerPC
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  EM_PPC64 = 21,         // PowerPC64
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  EM_S390 = 22,          // IBM System/390
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  EM_SPU = 23,           // IBM SPU/SPC
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  EM_V800 = 36,          // NEC V800
147
  EM_FR20 = 37,          // Fujitsu FR20
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  EM_RH32 = 38,          // TRW RH-32
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  EM_RCE = 39,           // Motorola RCE
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  EM_ARM = 40,           // ARM
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  EM_ALPHA = 41,         // DEC Alpha
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  EM_SH = 42,            // Hitachi SH
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  EM_SPARCV9 = 43,       // SPARC V9
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  EM_TRICORE = 44,       // Siemens TriCore
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  EM_ARC = 45,           // Argonaut RISC Core
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  EM_H8_300 = 46,        // Hitachi H8/300
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  EM_H8_300H = 47,       // Hitachi H8/300H
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  EM_H8S = 48,           // Hitachi H8S
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  EM_H8_500 = 49,        // Hitachi H8/500
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  EM_IA_64 = 50,         // Intel IA-64 processor architecture
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  EM_MIPS_X = 51,        // Stanford MIPS-X
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  EM_COLDFIRE = 52,      // Motorola ColdFire
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  EM_68HC12 = 53,        // Motorola M68HC12
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  EM_MMA = 54,           // Fujitsu MMA Multimedia Accelerator
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  EM_PCP = 55,           // Siemens PCP
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  EM_NCPU = 56,          // Sony nCPU embedded RISC processor
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  EM_NDR1 = 57,          // Denso NDR1 microprocessor
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  EM_STARCORE = 58,      // Motorola Star*Core processor
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  EM_ME16 = 59,          // Toyota ME16 processor
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  EM_ST100 = 60,         // STMicroelectronics ST100 processor
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  EM_TINYJ = 61,         // Advanced Logic Corp. TinyJ embedded processor family
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  EM_X86_64 = 62,        // AMD x86-64 architecture
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  EM_PDSP = 63,          // Sony DSP Processor
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  EM_PDP10 = 64,         // Digital Equipment Corp. PDP-10
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  EM_PDP11 = 65,         // Digital Equipment Corp. PDP-11
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  EM_FX66 = 66,          // Siemens FX66 microcontroller
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  EM_ST9PLUS = 67,       // STMicroelectronics ST9+ 8/16 bit microcontroller
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  EM_ST7 = 68,           // STMicroelectronics ST7 8-bit microcontroller
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  EM_68HC16 = 69,        // Motorola MC68HC16 Microcontroller
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  EM_68HC11 = 70,        // Motorola MC68HC11 Microcontroller
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  EM_68HC08 = 71,        // Motorola MC68HC08 Microcontroller
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  EM_68HC05 = 72,        // Motorola MC68HC05 Microcontroller
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  EM_SVX = 73,           // Silicon Graphics SVx
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  EM_ST19 = 74,          // STMicroelectronics ST19 8-bit microcontroller
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  EM_VAX = 75,           // Digital VAX
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  EM_CRIS = 76,          // Axis Communications 32-bit embedded processor
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  EM_JAVELIN = 77,       // Infineon Technologies 32-bit embedded processor
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  EM_FIREPATH = 78,      // Element 14 64-bit DSP Processor
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  EM_ZSP = 79,           // LSI Logic 16-bit DSP Processor
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  EM_MMIX = 80,          // Donald Knuth's educational 64-bit processor
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  EM_HUANY = 81,         // Harvard University machine-independent object files
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  EM_PRISM = 82,         // SiTera Prism
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  EM_AVR = 83,           // Atmel AVR 8-bit microcontroller
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  EM_FR30 = 84,          // Fujitsu FR30
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  EM_D10V = 85,          // Mitsubishi D10V
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  EM_D30V = 86,          // Mitsubishi D30V
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  EM_V850 = 87,          // NEC v850
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  EM_M32R = 88,          // Mitsubishi M32R
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  EM_MN10300 = 89,       // Matsushita MN10300
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  EM_MN10200 = 90,       // Matsushita MN10200
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  EM_PJ = 91,            // picoJava
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  EM_OPENRISC = 92,      // OpenRISC 32-bit embedded processor
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  EM_ARC_COMPACT = 93,   // ARC International ARCompact processor (old
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                         // spelling/synonym: EM_ARC_A5)
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  EM_XTENSA = 94,        // Tensilica Xtensa Architecture
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  EM_VIDEOCORE = 95,     // Alphamosaic VideoCore processor
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  EM_TMM_GPP = 96,       // Thompson Multimedia General Purpose Processor
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  EM_NS32K = 97,         // National Semiconductor 32000 series
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  EM_TPC = 98,           // Tenor Network TPC processor
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  EM_SNP1K = 99,         // Trebia SNP 1000 processor
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  EM_ST200 = 100,        // STMicroelectronics (www.st.com) ST200
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  EM_IP2K = 101,         // Ubicom IP2xxx microcontroller family
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  EM_MAX = 102,          // MAX Processor
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  EM_CR = 103,           // National Semiconductor CompactRISC microprocessor
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  EM_F2MC16 = 104,       // Fujitsu F2MC16
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  EM_MSP430 = 105,       // Texas Instruments embedded microcontroller msp430
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  EM_BLACKFIN = 106,     // Analog Devices Blackfin (DSP) processor
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  EM_SE_C33 = 107,       // S1C33 Family of Seiko Epson processors
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  EM_SEP = 108,          // Sharp embedded microprocessor
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  EM_ARCA = 109,         // Arca RISC Microprocessor
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  EM_UNICORE = 110,      // Microprocessor series from PKU-Unity Ltd. and MPRC
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                         // of Peking University
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  EM_EXCESS = 111,       // eXcess: 16/32/64-bit configurable embedded CPU
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  EM_DXP = 112,          // Icera Semiconductor Inc. Deep Execution Processor
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  EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor
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  EM_CRX = 114,          // National Semiconductor CompactRISC CRX
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  EM_XGATE = 115,        // Motorola XGATE embedded processor
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  EM_C166 = 116,         // Infineon C16x/XC16x processor
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  EM_M16C = 117,         // Renesas M16C series microprocessors
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  EM_DSPIC30F = 118,     // Microchip Technology dsPIC30F Digital Signal
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                         // Controller
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  EM_CE = 119,           // Freescale Communication Engine RISC core
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  EM_M32C = 120,         // Renesas M32C series microprocessors
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  EM_TSK3000 = 131,      // Altium TSK3000 core
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  EM_RS08 = 132,         // Freescale RS08 embedded processor
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  EM_SHARC = 133,        // Analog Devices SHARC family of 32-bit DSP
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                         // processors
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  EM_ECOG2 = 134,        // Cyan Technology eCOG2 microprocessor
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  EM_SCORE7 = 135,       // Sunplus S+core7 RISC processor
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  EM_DSP24 = 136,        // New Japan Radio (NJR) 24-bit DSP Processor
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  EM_VIDEOCORE3 = 137,   // Broadcom VideoCore III processor
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  EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture
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  EM_SE_C17 = 139,        // Seiko Epson C17 family
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  EM_TI_C6000 = 140,      // The Texas Instruments TMS320C6000 DSP family
245
  EM_TI_C2000 = 141,      // The Texas Instruments TMS320C2000 DSP family
246
  EM_TI_C5500 = 142,      // The Texas Instruments TMS320C55x DSP family
247
  EM_MMDSP_PLUS = 160,    // STMicroelectronics 64bit VLIW Data Signal Processor
248
  EM_CYPRESS_M8C = 161,   // Cypress M8C microprocessor
249
  EM_R32C = 162,          // Renesas R32C series microprocessors
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  EM_TRIMEDIA = 163,      // NXP Semiconductors TriMedia architecture family
251
  EM_HEXAGON = 164,       // Qualcomm Hexagon processor
252
  EM_8051 = 165,          // Intel 8051 and variants
253
  EM_STXP7X = 166,        // STMicroelectronics STxP7x family of configurable
254
                          // and extensible RISC processors
255
  EM_NDS32 = 167,         // Andes Technology compact code size embedded RISC
256
                          // processor family
257
  EM_ECOG1 = 168,         // Cyan Technology eCOG1X family
258
  EM_ECOG1X = 168,        // Cyan Technology eCOG1X family
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  EM_MAXQ30 = 169,        // Dallas Semiconductor MAXQ30 Core Micro-controllers
260
  EM_XIMO16 = 170,        // New Japan Radio (NJR) 16-bit DSP Processor
261
  EM_MANIK = 171,         // M2000 Reconfigurable RISC Microprocessor
262
  EM_CRAYNV2 = 172,       // Cray Inc. NV2 vector architecture
263
  EM_RX = 173,            // Renesas RX family
264
  EM_METAG = 174,         // Imagination Technologies META processor
265
                          // architecture
266
  EM_MCST_ELBRUS = 175,   // MCST Elbrus general purpose hardware architecture
267
  EM_ECOG16 = 176,        // Cyan Technology eCOG16 family
268
  EM_CR16 = 177,          // National Semiconductor CompactRISC CR16 16-bit
269
                          // microprocessor
270
  EM_ETPU = 178,          // Freescale Extended Time Processing Unit
271
  EM_SLE9X = 179,         // Infineon Technologies SLE9X core
272
  EM_L10M = 180,          // Intel L10M
273
  EM_K10M = 181,          // Intel K10M
274
  EM_AARCH64 = 183,       // ARM AArch64
275
  EM_AVR32 = 185,         // Atmel Corporation 32-bit microprocessor family
276
  EM_STM8 = 186,          // STMicroeletronics STM8 8-bit microcontroller
277
  EM_TILE64 = 187,        // Tilera TILE64 multicore architecture family
278
  EM_TILEPRO = 188,       // Tilera TILEPro multicore architecture family
279
  EM_CUDA = 190,          // NVIDIA CUDA architecture
280
  EM_TILEGX = 191,        // Tilera TILE-Gx multicore architecture family
281
  EM_CLOUDSHIELD = 192,   // CloudShield architecture family
282
  EM_COREA_1ST = 193,     // KIPO-KAIST Core-A 1st generation processor family
283
  EM_COREA_2ND = 194,     // KIPO-KAIST Core-A 2nd generation processor family
284
  EM_ARC_COMPACT2 = 195,  // Synopsys ARCompact V2
285
  EM_OPEN8 = 196,         // Open8 8-bit RISC soft processor core
286
  EM_RL78 = 197,          // Renesas RL78 family
287
  EM_VIDEOCORE5 = 198,    // Broadcom VideoCore V processor
288
  EM_78KOR = 199,         // Renesas 78KOR family
289
  EM_56800EX = 200,       // Freescale 56800EX Digital Signal Controller (DSC)
290
  EM_BA1 = 201,           // Beyond BA1 CPU architecture
291
  EM_BA2 = 202,           // Beyond BA2 CPU architecture
292
  EM_XCORE = 203,         // XMOS xCORE processor family
293
  EM_MCHP_PIC = 204,      // Microchip 8-bit PIC(r) family
294
  EM_INTEL205 = 205,      // Reserved by Intel
295
  EM_INTEL206 = 206,      // Reserved by Intel
296
  EM_INTEL207 = 207,      // Reserved by Intel
297
  EM_INTEL208 = 208,      // Reserved by Intel
298
  EM_INTEL209 = 209,      // Reserved by Intel
299
  EM_KM32 = 210,          // KM211 KM32 32-bit processor
300
  EM_KMX32 = 211,         // KM211 KMX32 32-bit processor
301
  EM_KMX16 = 212,         // KM211 KMX16 16-bit processor
302
  EM_KMX8 = 213,          // KM211 KMX8 8-bit processor
303
  EM_KVARC = 214,         // KM211 KVARC processor
304
  EM_CDP = 215,           // Paneve CDP architecture family
305
  EM_COGE = 216,          // Cognitive Smart Memory Processor
306
  EM_COOL = 217,          // iCelero CoolEngine
307
  EM_NORC = 218,          // Nanoradio Optimized RISC
308
  EM_CSR_KALIMBA = 219,   // CSR Kalimba architecture family
309
  EM_AMDGPU = 224,        // AMD GPU architecture
310
  EM_RISCV = 243,         // RISC-V
311
  EM_LANAI = 244,         // Lanai 32-bit processor
312
  EM_BPF = 247,           // Linux kernel bpf virtual machine
313
314
  // A request has been made to the maintainer of the official registry for
315
  // such numbers for an official value for WebAssembly. As soon as one is
316
  // allocated, this enum will be updated to use it.
317
  EM_WEBASSEMBLY = 0x4157, // WebAssembly architecture
318
};
319
320
// Object file classes.
321
enum {
322
  ELFCLASSNONE = 0,
323
  ELFCLASS32 = 1, // 32-bit object file
324
  ELFCLASS64 = 2  // 64-bit object file
325
};
326
327
// Object file byte orderings.
328
enum {
329
  ELFDATANONE = 0, // Invalid data encoding.
330
  ELFDATA2LSB = 1, // Little-endian object file
331
  ELFDATA2MSB = 2  // Big-endian object file
332
};
333
334
// OS ABI identification.
335
enum {
336
  ELFOSABI_NONE = 0,          // UNIX System V ABI
337
  ELFOSABI_HPUX = 1,          // HP-UX operating system
338
  ELFOSABI_NETBSD = 2,        // NetBSD
339
  ELFOSABI_GNU = 3,           // GNU/Linux
340
  ELFOSABI_LINUX = 3,         // Historical alias for ELFOSABI_GNU.
341
  ELFOSABI_HURD = 4,          // GNU/Hurd
342
  ELFOSABI_SOLARIS = 6,       // Solaris
343
  ELFOSABI_AIX = 7,           // AIX
344
  ELFOSABI_IRIX = 8,          // IRIX
345
  ELFOSABI_FREEBSD = 9,       // FreeBSD
346
  ELFOSABI_TRU64 = 10,        // TRU64 UNIX
347
  ELFOSABI_MODESTO = 11,      // Novell Modesto
348
  ELFOSABI_OPENBSD = 12,      // OpenBSD
349
  ELFOSABI_OPENVMS = 13,      // OpenVMS
350
  ELFOSABI_NSK = 14,          // Hewlett-Packard Non-Stop Kernel
351
  ELFOSABI_AROS = 15,         // AROS
352
  ELFOSABI_FENIXOS = 16,      // FenixOS
353
  ELFOSABI_CLOUDABI = 17,     // Nuxi CloudABI
354
  ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000
355
  ELFOSABI_AMDGPU_HSA = 64,   // AMD HSA runtime
356
  ELFOSABI_C6000_LINUX = 65,  // Linux TMS320C6000
357
  ELFOSABI_ARM = 97,          // ARM
358
  ELFOSABI_STANDALONE = 255   // Standalone (embedded) application
359
};
360
361
#define ELF_RELOC(name, value) name = value,
362
363
// X86_64 relocations.
364
enum {
365
#include "ELFRelocs/x86_64.def"
366
};
367
368
// i386 relocations.
369
enum {
370
#include "ELFRelocs/i386.def"
371
};
372
373
// ELF Relocation types for PPC32
374
enum {
375
#include "ELFRelocs/PowerPC.def"
376
};
377
378
// Specific e_flags for PPC64
379
enum {
380
  // e_flags bits specifying ABI:
381
  // 1 for original ABI using function descriptors,
382
  // 2 for revised ABI without function descriptors,
383
  // 0 for unspecified or not using any features affected by the differences.
384
  EF_PPC64_ABI = 3
385
};
386
387
// Special values for the st_other field in the symbol table entry for PPC64.
388
enum {
389
  STO_PPC64_LOCAL_BIT = 5,
390
  STO_PPC64_LOCAL_MASK = (7 << STO_PPC64_LOCAL_BIT)
391
};
392
9
static inline int64_t decodePPC64LocalEntryOffset(unsigned Other) {
393
9
  unsigned Val = (Other & STO_PPC64_LOCAL_MASK) >> STO_PPC64_LOCAL_BIT;
394
9
  return ((1 << Val) >> 2) << 2;
395
9
}
Unexecuted instantiation: AArch64AsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AsmPrinter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MCSymbolELF.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MCSectionELF.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MCObjectFileInfo.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MCELFStreamer.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MCELFObjectTargetWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MCContext.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MCAsmInfoELF.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: ELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: TargetLoweringObjectFileImpl.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: XCoreTargetObjectFile.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: X86ELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: X86MCAsmInfo.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: X86AsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: X86MCInstLower.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: SystemZMCObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: SystemZMCAsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: SparcMCExpr.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: SparcELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: SparcAsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: RISCVELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: RISCVAsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: PPCELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
PPCMCTargetDesc.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Line
Count
Source
392
9
static inline int64_t decodePPC64LocalEntryOffset(unsigned Other) {
393
9
  unsigned Val = (Other & STO_PPC64_LOCAL_MASK) >> STO_PPC64_LOCAL_BIT;
394
9
  return ((1 << Val) >> 2) << 2;
395
9
}
Unexecuted instantiation: PPCAsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: PPCAsmPrinter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsTargetStreamer.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsOptionRecord.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsMCExpr.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsELFStreamer.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsAsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsAsmParser.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsTargetObjectFile.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: MipsAsmPrinter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: LanaiELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: LanaiAsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: LanaiTargetObjectFile.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: HexagonMCTargetDesc.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: HexagonMCExpr.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: HexagonMCELFStreamer.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: HexagonELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: HexagonAsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: HexagonAsmParser.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: HexagonTargetObjectFile.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: HexagonAsmPrinter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: BPFELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: ARMELFStreamer.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: ARMELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: ARMAsmBackend.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: ARMAsmParser.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: ARMTargetObjectFile.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: ARMAsmPrinter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AMDGPUBaseInfo.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AMDGPUTargetStreamer.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AMDGPUELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AMDGPUAsmParser.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AMDGPUTargetObjectFile.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AMDGPUAsmPrinter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AArch64MCExpr.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AArch64ELFStreamer.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: AArch64ELFObjectWriter.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
Unexecuted instantiation: ELFAsmParser.cpp:llvm::ELF::decodePPC64LocalEntryOffset(unsigned int)
396
9
static inline unsigned encodePPC64LocalEntryOffset(int64_t Offset) {
397
9
  unsigned Val =
398
2
      (Offset >= 4 * 4 ? 
(Offset >= 8 * 4 ? 2
(Offset >= 16 * 4 ? 2
62
:
50
) :
40
)
399
7
                       : 
(Offset >= 2 * 4 ? 7
36
:
(Offset >= 1 * 4 ? 1
21
:
00
)));
400
9
  return Val << STO_PPC64_LOCAL_BIT;
401
9
}
Unexecuted instantiation: ELFAsmParser.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AsmPrinter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MCSymbolELF.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MCSectionELF.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MCObjectFileInfo.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MCELFStreamer.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MCELFObjectTargetWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MCContext.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MCAsmInfoELF.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: ELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: TargetLoweringObjectFileImpl.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: XCoreTargetObjectFile.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: X86ELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: X86MCAsmInfo.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: X86AsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: X86MCInstLower.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: SystemZMCObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: SystemZMCAsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: SparcMCExpr.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: SparcELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: SparcAsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: RISCVELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: RISCVAsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: PPCELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
PPCMCTargetDesc.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Line
Count
Source
396
9
static inline unsigned encodePPC64LocalEntryOffset(int64_t Offset) {
397
9
  unsigned Val =
398
2
      (Offset >= 4 * 4 ? 
(Offset >= 8 * 4 ? 2
(Offset >= 16 * 4 ? 2
62
:
50
) :
40
)
399
7
                       : 
(Offset >= 2 * 4 ? 7
36
:
(Offset >= 1 * 4 ? 1
21
:
00
)));
400
9
  return Val << STO_PPC64_LOCAL_BIT;
401
9
}
Unexecuted instantiation: PPCAsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: PPCAsmPrinter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsTargetStreamer.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsOptionRecord.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsMCExpr.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsELFStreamer.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsAsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsAsmParser.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsTargetObjectFile.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: MipsAsmPrinter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: LanaiELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: LanaiAsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: LanaiTargetObjectFile.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: HexagonMCTargetDesc.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: HexagonMCExpr.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: HexagonMCELFStreamer.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: HexagonELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: HexagonAsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: HexagonAsmParser.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: HexagonTargetObjectFile.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: HexagonAsmPrinter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: BPFELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: ARMELFStreamer.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: ARMELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: ARMAsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: ARMAsmParser.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: ARMTargetObjectFile.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: ARMAsmPrinter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AMDGPUBaseInfo.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AMDGPUTargetStreamer.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AMDGPUELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AMDGPUAsmParser.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AMDGPUTargetObjectFile.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AMDGPUAsmPrinter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AArch64MCExpr.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AArch64ELFStreamer.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AArch64ELFObjectWriter.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
Unexecuted instantiation: AArch64AsmBackend.cpp:llvm::ELF::encodePPC64LocalEntryOffset(long long)
402
403
// ELF Relocation types for PPC64
404
enum {
405
#include "ELFRelocs/PowerPC64.def"
406
};
407
408
// ELF Relocation types for AArch64
409
enum {
410
#include "ELFRelocs/AArch64.def"
411
};
412
413
// ARM Specific e_flags
414
enum : unsigned {
415
  EF_ARM_SOFT_FLOAT = 0x00000200U,
416
  EF_ARM_VFP_FLOAT = 0x00000400U,
417
  EF_ARM_EABI_UNKNOWN = 0x00000000U,
418
  EF_ARM_EABI_VER1 = 0x01000000U,
419
  EF_ARM_EABI_VER2 = 0x02000000U,
420
  EF_ARM_EABI_VER3 = 0x03000000U,
421
  EF_ARM_EABI_VER4 = 0x04000000U,
422
  EF_ARM_EABI_VER5 = 0x05000000U,
423
  EF_ARM_EABIMASK = 0xFF000000U
424
};
425
426
// ELF Relocation types for ARM
427
enum {
428
#include "ELFRelocs/ARM.def"
429
};
430
431
// AVR specific e_flags
432
enum : unsigned {
433
  EF_AVR_ARCH_AVR1 = 1,
434
  EF_AVR_ARCH_AVR2 = 2,
435
  EF_AVR_ARCH_AVR25 = 25,
436
  EF_AVR_ARCH_AVR3 = 3,
437
  EF_AVR_ARCH_AVR31 = 31,
438
  EF_AVR_ARCH_AVR35 = 35,
439
  EF_AVR_ARCH_AVR4 = 4,
440
  EF_AVR_ARCH_AVR5 = 5,
441
  EF_AVR_ARCH_AVR51 = 51,
442
  EF_AVR_ARCH_AVR6 = 6,
443
  EF_AVR_ARCH_AVRTINY = 100,
444
  EF_AVR_ARCH_XMEGA1 = 101,
445
  EF_AVR_ARCH_XMEGA2 = 102,
446
  EF_AVR_ARCH_XMEGA3 = 103,
447
  EF_AVR_ARCH_XMEGA4 = 104,
448
  EF_AVR_ARCH_XMEGA5 = 105,
449
  EF_AVR_ARCH_XMEGA6 = 106,
450
  EF_AVR_ARCH_XMEGA7 = 107
451
};
452
453
// ELF Relocation types for AVR
454
enum {
455
#include "ELFRelocs/AVR.def"
456
};
457
458
// Mips Specific e_flags
459
enum : unsigned {
460
  EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions
461
  EF_MIPS_PIC = 0x00000002,       // Position independent code
462
  EF_MIPS_CPIC = 0x00000004,      // Call object with Position independent code
463
  EF_MIPS_ABI2 = 0x00000020,      // File uses N32 ABI
464
  EF_MIPS_32BITMODE = 0x00000100, // Code compiled for a 64-bit machine
465
                                  // in 32-bit mode
466
  EF_MIPS_FP64 = 0x00000200,      // Code compiled for a 32-bit machine
467
                                  // but uses 64-bit FP registers
468
  EF_MIPS_NAN2008 = 0x00000400,   // Uses IEE 754-2008 NaN encoding
469
470
  // ABI flags
471
  EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI
472
  EF_MIPS_ABI_O64 = 0x00002000, // O32 ABI extended for 64-bit architecture.
473
  EF_MIPS_ABI_EABI32 = 0x00003000, // EABI in 32 bit mode.
474
  EF_MIPS_ABI_EABI64 = 0x00004000, // EABI in 64 bit mode.
475
  EF_MIPS_ABI = 0x0000f000,        // Mask for selecting EF_MIPS_ABI_ variant.
476
477
  // MIPS machine variant
478
  EF_MIPS_MACH_NONE = 0x00000000,    // A standard MIPS implementation.
479
  EF_MIPS_MACH_3900 = 0x00810000,    // Toshiba R3900
480
  EF_MIPS_MACH_4010 = 0x00820000,    // LSI R4010
481
  EF_MIPS_MACH_4100 = 0x00830000,    // NEC VR4100
482
  EF_MIPS_MACH_4650 = 0x00850000,    // MIPS R4650
483
  EF_MIPS_MACH_4120 = 0x00870000,    // NEC VR4120
484
  EF_MIPS_MACH_4111 = 0x00880000,    // NEC VR4111/VR4181
485
  EF_MIPS_MACH_SB1 = 0x008a0000,     // Broadcom SB-1
486
  EF_MIPS_MACH_OCTEON = 0x008b0000,  // Cavium Networks Octeon
487
  EF_MIPS_MACH_XLR = 0x008c0000,     // RMI Xlr
488
  EF_MIPS_MACH_OCTEON2 = 0x008d0000, // Cavium Networks Octeon2
489
  EF_MIPS_MACH_OCTEON3 = 0x008e0000, // Cavium Networks Octeon3
490
  EF_MIPS_MACH_5400 = 0x00910000,    // NEC VR5400
491
  EF_MIPS_MACH_5900 = 0x00920000,    // MIPS R5900
492
  EF_MIPS_MACH_5500 = 0x00980000,    // NEC VR5500
493
  EF_MIPS_MACH_9000 = 0x00990000,    // Unknown
494
  EF_MIPS_MACH_LS2E = 0x00a00000,    // ST Microelectronics Loongson 2E
495
  EF_MIPS_MACH_LS2F = 0x00a10000,    // ST Microelectronics Loongson 2F
496
  EF_MIPS_MACH_LS3A = 0x00a20000,    // Loongson 3A
497
  EF_MIPS_MACH = 0x00ff0000,         // EF_MIPS_MACH_xxx selection mask
498
499
  // ARCH_ASE
500
  EF_MIPS_MICROMIPS = 0x02000000,     // microMIPS
501
  EF_MIPS_ARCH_ASE_M16 = 0x04000000,  // Has Mips-16 ISA extensions
502
  EF_MIPS_ARCH_ASE_MDMX = 0x08000000, // Has MDMX multimedia extensions
503
  EF_MIPS_ARCH_ASE = 0x0f000000,      // Mask for EF_MIPS_ARCH_ASE_xxx flags
504
505
  // ARCH
506
  EF_MIPS_ARCH_1 = 0x00000000,    // MIPS1 instruction set
507
  EF_MIPS_ARCH_2 = 0x10000000,    // MIPS2 instruction set
508
  EF_MIPS_ARCH_3 = 0x20000000,    // MIPS3 instruction set
509
  EF_MIPS_ARCH_4 = 0x30000000,    // MIPS4 instruction set
510
  EF_MIPS_ARCH_5 = 0x40000000,    // MIPS5 instruction set
511
  EF_MIPS_ARCH_32 = 0x50000000,   // MIPS32 instruction set per linux not elf.h
512
  EF_MIPS_ARCH_64 = 0x60000000,   // MIPS64 instruction set per linux not elf.h
513
  EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2, mips32r3, mips32r5
514
  EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2, mips64r3, mips64r5
515
  EF_MIPS_ARCH_32R6 = 0x90000000, // mips32r6
516
  EF_MIPS_ARCH_64R6 = 0xa0000000, // mips64r6
517
  EF_MIPS_ARCH = 0xf0000000       // Mask for applying EF_MIPS_ARCH_ variant
518
};
519
520
// ELF Relocation types for Mips
521
enum {
522
#include "ELFRelocs/Mips.def"
523
};
524
525
// Special values for the st_other field in the symbol table entry for MIPS.
526
enum {
527
  STO_MIPS_OPTIONAL = 0x04,  // Symbol whose definition is optional
528
  STO_MIPS_PLT = 0x08,       // PLT entry related dynamic table record
529
  STO_MIPS_PIC = 0x20,       // PIC func in an object mixes PIC/non-PIC
530
  STO_MIPS_MICROMIPS = 0x80, // MIPS Specific ISA for MicroMips
531
  STO_MIPS_MIPS16 = 0xf0     // MIPS Specific ISA for Mips16
532
};
533
534
// .MIPS.options section descriptor kinds
535
enum {
536
  ODK_NULL = 0,       // Undefined
537
  ODK_REGINFO = 1,    // Register usage information
538
  ODK_EXCEPTIONS = 2, // Exception processing options
539
  ODK_PAD = 3,        // Section padding options
540
  ODK_HWPATCH = 4,    // Hardware patches applied
541
  ODK_FILL = 5,       // Linker fill value
542
  ODK_TAGS = 6,       // Space for tool identification
543
  ODK_HWAND = 7,      // Hardware AND patches applied
544
  ODK_HWOR = 8,       // Hardware OR patches applied
545
  ODK_GP_GROUP = 9,   // GP group to use for text/data sections
546
  ODK_IDENT = 10,     // ID information
547
  ODK_PAGESIZE = 11   // Page size information
548
};
549
550
// Hexagon-specific e_flags
551
enum {
552
  // Object processor version flags, bits[11:0]
553
  EF_HEXAGON_MACH_V2 = 0x00000001,  // Hexagon V2
554
  EF_HEXAGON_MACH_V3 = 0x00000002,  // Hexagon V3
555
  EF_HEXAGON_MACH_V4 = 0x00000003,  // Hexagon V4
556
  EF_HEXAGON_MACH_V5 = 0x00000004,  // Hexagon V5
557
  EF_HEXAGON_MACH_V55 = 0x00000005, // Hexagon V55
558
  EF_HEXAGON_MACH_V60 = 0x00000060, // Hexagon V60
559
  EF_HEXAGON_MACH_V62 = 0x00000062, // Hexagon V62
560
561
  // Highest ISA version flags
562
  EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[11:0]
563
                                    // of e_flags
564
  EF_HEXAGON_ISA_V2 = 0x00000010,   // Hexagon V2 ISA
565
  EF_HEXAGON_ISA_V3 = 0x00000020,   // Hexagon V3 ISA
566
  EF_HEXAGON_ISA_V4 = 0x00000030,   // Hexagon V4 ISA
567
  EF_HEXAGON_ISA_V5 = 0x00000040,   // Hexagon V5 ISA
568
  EF_HEXAGON_ISA_V55 = 0x00000050,  // Hexagon V55 ISA
569
  EF_HEXAGON_ISA_V60 = 0x00000060,  // Hexagon V60 ISA
570
  EF_HEXAGON_ISA_V62 = 0x00000062,  // Hexagon V62 ISA
571
};
572
573
// Hexagon-specific section indexes for common small data
574
enum {
575
  SHN_HEXAGON_SCOMMON = 0xff00,   // Other access sizes
576
  SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access
577
  SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access
578
  SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access
579
  SHN_HEXAGON_SCOMMON_8 = 0xff04  // Double-word-size access
580
};
581
582
// ELF Relocation types for Hexagon
583
enum {
584
#include "ELFRelocs/Hexagon.def"
585
};
586
587
// ELF Relocation type for Lanai.
588
enum {
589
#include "ELFRelocs/Lanai.def"
590
};
591
592
// ELF Relocation types for RISC-V
593
enum {
594
#include "ELFRelocs/RISCV.def"
595
};
596
597
// ELF Relocation types for S390/zSeries
598
enum {
599
#include "ELFRelocs/SystemZ.def"
600
};
601
602
// ELF Relocation type for Sparc.
603
enum {
604
#include "ELFRelocs/Sparc.def"
605
};
606
607
// ELF Relocation types for WebAssembly
608
enum {
609
#include "ELFRelocs/WebAssembly.def"
610
};
611
612
// ELF Relocation types for AMDGPU
613
enum {
614
#include "ELFRelocs/AMDGPU.def"
615
};
616
617
// ELF Relocation types for BPF
618
enum {
619
#include "ELFRelocs/BPF.def"
620
};
621
622
#undef ELF_RELOC
623
624
// Section header.
625
struct Elf32_Shdr {
626
  Elf32_Word sh_name;      // Section name (index into string table)
627
  Elf32_Word sh_type;      // Section type (SHT_*)
628
  Elf32_Word sh_flags;     // Section flags (SHF_*)
629
  Elf32_Addr sh_addr;      // Address where section is to be loaded
630
  Elf32_Off sh_offset;     // File offset of section data, in bytes
631
  Elf32_Word sh_size;      // Size of section, in bytes
632
  Elf32_Word sh_link;      // Section type-specific header table index link
633
  Elf32_Word sh_info;      // Section type-specific extra information
634
  Elf32_Word sh_addralign; // Section address alignment
635
  Elf32_Word sh_entsize;   // Size of records contained within the section
636
};
637
638
// Section header for ELF64 - same fields as ELF32, different types.
639
struct Elf64_Shdr {
640
  Elf64_Word sh_name;
641
  Elf64_Word sh_type;
642
  Elf64_Xword sh_flags;
643
  Elf64_Addr sh_addr;
644
  Elf64_Off sh_offset;
645
  Elf64_Xword sh_size;
646
  Elf64_Word sh_link;
647
  Elf64_Word sh_info;
648
  Elf64_Xword sh_addralign;
649
  Elf64_Xword sh_entsize;
650
};
651
652
// Special section indices.
653
enum {
654
  SHN_UNDEF = 0,          // Undefined, missing, irrelevant, or meaningless
655
  SHN_LORESERVE = 0xff00, // Lowest reserved index
656
  SHN_LOPROC = 0xff00,    // Lowest processor-specific index
657
  SHN_HIPROC = 0xff1f,    // Highest processor-specific index
658
  SHN_LOOS = 0xff20,      // Lowest operating system-specific index
659
  SHN_HIOS = 0xff3f,      // Highest operating system-specific index
660
  SHN_ABS = 0xfff1,       // Symbol has absolute value; does not need relocation
661
  SHN_COMMON = 0xfff2,    // FORTRAN COMMON or C external global variables
662
  SHN_XINDEX = 0xffff,    // Mark that the index is >= SHN_LORESERVE
663
  SHN_HIRESERVE = 0xffff  // Highest reserved index
664
};
665
666
// Section types.
667
enum : unsigned {
668
  SHT_NULL = 0,                    // No associated section (inactive entry).
669
  SHT_PROGBITS = 1,                // Program-defined contents.
670
  SHT_SYMTAB = 2,                  // Symbol table.
671
  SHT_STRTAB = 3,                  // String table.
672
  SHT_RELA = 4,                    // Relocation entries; explicit addends.
673
  SHT_HASH = 5,                    // Symbol hash table.
674
  SHT_DYNAMIC = 6,                 // Information for dynamic linking.
675
  SHT_NOTE = 7,                    // Information about the file.
676
  SHT_NOBITS = 8,                  // Data occupies no space in the file.
677
  SHT_REL = 9,                     // Relocation entries; no explicit addends.
678
  SHT_SHLIB = 10,                  // Reserved.
679
  SHT_DYNSYM = 11,                 // Symbol table.
680
  SHT_INIT_ARRAY = 14,             // Pointers to initialization functions.
681
  SHT_FINI_ARRAY = 15,             // Pointers to termination functions.
682
  SHT_PREINIT_ARRAY = 16,          // Pointers to pre-init functions.
683
  SHT_GROUP = 17,                  // Section group.
684
  SHT_SYMTAB_SHNDX = 18,           // Indices for SHN_XINDEX entries.
685
  SHT_LOOS = 0x60000000,           // Lowest operating system-specific type.
686
  SHT_GNU_ATTRIBUTES = 0x6ffffff5, // Object attributes.
687
  SHT_GNU_HASH = 0x6ffffff6,       // GNU-style hash table.
688
  SHT_GNU_verdef = 0x6ffffffd,     // GNU version definitions.
689
  SHT_GNU_verneed = 0x6ffffffe,    // GNU version references.
690
  SHT_GNU_versym = 0x6fffffff,     // GNU symbol versions table.
691
  SHT_HIOS = 0x6fffffff,           // Highest operating system-specific type.
692
  SHT_LOPROC = 0x70000000,         // Lowest processor arch-specific type.
693
  // Fixme: All this is duplicated in MCSectionELF. Why??
694
  // Exception Index table
695
  SHT_ARM_EXIDX = 0x70000001U,
696
  // BPABI DLL dynamic linking pre-emption map
697
  SHT_ARM_PREEMPTMAP = 0x70000002U,
698
  //  Object file compatibility attributes
699
  SHT_ARM_ATTRIBUTES = 0x70000003U,
700
  SHT_ARM_DEBUGOVERLAY = 0x70000004U,
701
  SHT_ARM_OVERLAYSECTION = 0x70000005U,
702
  SHT_HEX_ORDERED = 0x70000000,   // Link editor is to sort the entries in
703
                                  // this section based on their sizes
704
  SHT_X86_64_UNWIND = 0x70000001, // Unwind information
705
706
  SHT_MIPS_REGINFO = 0x70000006,  // Register usage information
707
  SHT_MIPS_OPTIONS = 0x7000000d,  // General options
708
  SHT_MIPS_DWARF = 0x7000001e,    // DWARF debugging section.
709
  SHT_MIPS_ABIFLAGS = 0x7000002a, // ABI information.
710
711
  SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type.
712
  SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
713
  SHT_HIUSER = 0xffffffff  // Highest type reserved for applications.
714
};
715
716
// Section flags.
717
enum : unsigned {
718
  // Section data should be writable during execution.
719
  SHF_WRITE = 0x1,
720
721
  // Section occupies memory during program execution.
722
  SHF_ALLOC = 0x2,
723
724
  // Section contains executable machine instructions.
725
  SHF_EXECINSTR = 0x4,
726
727
  // The data in this section may be merged.
728
  SHF_MERGE = 0x10,
729
730
  // The data in this section is null-terminated strings.
731
  SHF_STRINGS = 0x20,
732
733
  // A field in this section holds a section header table index.
734
  SHF_INFO_LINK = 0x40U,
735
736
  // Adds special ordering requirements for link editors.
737
  SHF_LINK_ORDER = 0x80U,
738
739
  // This section requires special OS-specific processing to avoid incorrect
740
  // behavior.
741
  SHF_OS_NONCONFORMING = 0x100U,
742
743
  // This section is a member of a section group.
744
  SHF_GROUP = 0x200U,
745
746
  // This section holds Thread-Local Storage.
747
  SHF_TLS = 0x400U,
748
749
  // Identifies a section containing compressed data.
750
  SHF_COMPRESSED = 0x800U,
751
752
  // This section is excluded from the final executable or shared library.
753
  SHF_EXCLUDE = 0x80000000U,
754
755
  // Start of target-specific flags.
756
757
  SHF_MASKOS = 0x0ff00000,
758
759
  // Bits indicating processor-specific flags.
760
  SHF_MASKPROC = 0xf0000000,
761
762
  /// All sections with the "d" flag are grouped together by the linker to form
763
  /// the data section and the dp register is set to the start of the section by
764
  /// the boot code.
765
  XCORE_SHF_DP_SECTION = 0x10000000,
766
767
  /// All sections with the "c" flag are grouped together by the linker to form
768
  /// the constant pool and the cp register is set to the start of the constant
769
  /// pool by the boot code.
770
  XCORE_SHF_CP_SECTION = 0x20000000,
771
772
  // If an object file section does not have this flag set, then it may not hold
773
  // more than 2GB and can be freely referred to in objects using smaller code
774
  // models. Otherwise, only objects using larger code models can refer to them.
775
  // For example, a medium code model object can refer to data in a section that
776
  // sets this flag besides being able to refer to data in a section that does
777
  // not set it; likewise, a small code model object can refer only to code in a
778
  // section that does not set this flag.
779
  SHF_X86_64_LARGE = 0x10000000,
780
781
  // All sections with the GPREL flag are grouped into a global data area
782
  // for faster accesses
783
  SHF_HEX_GPREL = 0x10000000,
784
785
  // Section contains text/data which may be replicated in other sections.
786
  // Linker must retain only one copy.
787
  SHF_MIPS_NODUPES = 0x01000000,
788
789
  // Linker must generate implicit hidden weak names.
790
  SHF_MIPS_NAMES = 0x02000000,
791
792
  // Section data local to process.
793
  SHF_MIPS_LOCAL = 0x04000000,
794
795
  // Do not strip this section.
796
  SHF_MIPS_NOSTRIP = 0x08000000,
797
798
  // Section must be part of global data area.
799
  SHF_MIPS_GPREL = 0x10000000,
800
801
  // This section should be merged.
802
  SHF_MIPS_MERGE = 0x20000000,
803
804
  // Address size to be inferred from section entry size.
805
  SHF_MIPS_ADDR = 0x40000000,
806
807
  // Section data is string data by default.
808
  SHF_MIPS_STRING = 0x80000000,
809
810
  // Make code section unreadable when in execute-only mode
811
  SHF_ARM_PURECODE = 0x20000000
812
};
813
814
// Section Group Flags
815
enum : unsigned {
816
  GRP_COMDAT = 0x1,
817
  GRP_MASKOS = 0x0ff00000,
818
  GRP_MASKPROC = 0xf0000000
819
};
820
821
// Symbol table entries for ELF32.
822
struct Elf32_Sym {
823
  Elf32_Word st_name;     // Symbol name (index into string table)
824
  Elf32_Addr st_value;    // Value or address associated with the symbol
825
  Elf32_Word st_size;     // Size of the symbol
826
  unsigned char st_info;  // Symbol's type and binding attributes
827
  unsigned char st_other; // Must be zero; reserved
828
  Elf32_Half st_shndx;    // Which section (header table index) it's defined in
829
830
  // These accessors and mutators correspond to the ELF32_ST_BIND,
831
  // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
832
0
  unsigned char getBinding() const { return st_info >> 4; }
833
0
  unsigned char getType() const { return st_info & 0x0f; }
834
0
  void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
835
0
  void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
836
0
  void setBindingAndType(unsigned char b, unsigned char t) {
837
0
    st_info = (b << 4) + (t & 0x0f);
838
0
  }
839
};
840
841
// Symbol table entries for ELF64.
842
struct Elf64_Sym {
843
  Elf64_Word st_name;     // Symbol name (index into string table)
844
  unsigned char st_info;  // Symbol's type and binding attributes
845
  unsigned char st_other; // Must be zero; reserved
846
  Elf64_Half st_shndx;    // Which section (header tbl index) it's defined in
847
  Elf64_Addr st_value;    // Value or address associated with the symbol
848
  Elf64_Xword st_size;    // Size of the symbol
849
850
  // These accessors and mutators are identical to those defined for ELF32
851
  // symbol table entries.
852
0
  unsigned char getBinding() const { return st_info >> 4; }
853
0
  unsigned char getType() const { return st_info & 0x0f; }
854
0
  void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
855
0
  void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
856
0
  void setBindingAndType(unsigned char b, unsigned char t) {
857
0
    st_info = (b << 4) + (t & 0x0f);
858
0
  }
859
};
860
861
// The size (in bytes) of symbol table entries.
862
enum {
863
  SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size
864
  SYMENTRY_SIZE64 = 24  // 64-bit symbol entry size.
865
};
866
867
// Symbol bindings.
868
enum {
869
  STB_LOCAL = 0,  // Local symbol, not visible outside obj file containing def
870
  STB_GLOBAL = 1, // Global symbol, visible to all object files being combined
871
  STB_WEAK = 2,   // Weak symbol, like global but lower-precedence
872
  STB_GNU_UNIQUE = 10,
873
  STB_LOOS = 10,   // Lowest operating system-specific binding type
874
  STB_HIOS = 12,   // Highest operating system-specific binding type
875
  STB_LOPROC = 13, // Lowest processor-specific binding type
876
  STB_HIPROC = 15  // Highest processor-specific binding type
877
};
878
879
// Symbol types.
880
enum {
881
  STT_NOTYPE = 0,     // Symbol's type is not specified
882
  STT_OBJECT = 1,     // Symbol is a data object (variable, array, etc.)
883
  STT_FUNC = 2,       // Symbol is executable code (function, etc.)
884
  STT_SECTION = 3,    // Symbol refers to a section
885
  STT_FILE = 4,       // Local, absolute symbol that refers to a file
886
  STT_COMMON = 5,     // An uninitialized common block
887
  STT_TLS = 6,        // Thread local data object
888
  STT_GNU_IFUNC = 10, // GNU indirect function
889
  STT_LOOS = 10,      // Lowest operating system-specific symbol type
890
  STT_HIOS = 12,      // Highest operating system-specific symbol type
891
  STT_LOPROC = 13,    // Lowest processor-specific symbol type
892
  STT_HIPROC = 15,    // Highest processor-specific symbol type
893
894
  // AMDGPU symbol types
895
  STT_AMDGPU_HSA_KERNEL = 10
896
};
897
898
enum {
899
  STV_DEFAULT = 0,  // Visibility is specified by binding type
900
  STV_INTERNAL = 1, // Defined by processor supplements
901
  STV_HIDDEN = 2,   // Not visible to other components
902
  STV_PROTECTED = 3 // Visible in other components but not preemptable
903
};
904
905
// Symbol number.
906
enum { STN_UNDEF = 0 };
907
908
// Special relocation symbols used in the MIPS64 ELF relocation entries
909
enum {
910
  RSS_UNDEF = 0, // None
911
  RSS_GP = 1,    // Value of gp
912
  RSS_GP0 = 2,   // Value of gp used to create object being relocated
913
  RSS_LOC = 3    // Address of location being relocated
914
};
915
916
// Relocation entry, without explicit addend.
917
struct Elf32_Rel {
918
  Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
919
  Elf32_Word r_info;   // Symbol table index and type of relocation to apply
920
921
  // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
922
  // and ELF32_R_INFO macros defined in the ELF specification:
923
0
  Elf32_Word getSymbol() const { return (r_info >> 8); }
924
0
  unsigned char getType() const { return (unsigned char)(r_info & 0x0ff); }
925
0
  void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
926
0
  void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
927
0
  void setSymbolAndType(Elf32_Word s, unsigned char t) {
928
0
    r_info = (s << 8) + t;
929
0
  }
930
};
931
932
// Relocation entry with explicit addend.
933
struct Elf32_Rela {
934
  Elf32_Addr r_offset;  // Location (file byte offset, or program virtual addr)
935
  Elf32_Word r_info;    // Symbol table index and type of relocation to apply
936
  Elf32_Sword r_addend; // Compute value for relocatable field by adding this
937
938
  // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
939
  // and ELF32_R_INFO macros defined in the ELF specification:
940
0
  Elf32_Word getSymbol() const { return (r_info >> 8); }
941
0
  unsigned char getType() const { return (unsigned char)(r_info & 0x0ff); }
942
0
  void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
943
0
  void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
944
3.81k
  void setSymbolAndType(Elf32_Word s, unsigned char t) {
945
3.81k
    r_info = (s << 8) + t;
946
3.81k
  }
947
};
948
949
// Relocation entry, without explicit addend.
950
struct Elf64_Rel {
951
  Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
952
  Elf64_Xword r_info;  // Symbol table index and type of relocation to apply.
953
954
  // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
955
  // and ELF64_R_INFO macros defined in the ELF specification:
956
0
  Elf64_Word getSymbol() const { return (r_info >> 32); }
957
0
  Elf64_Word getType() const { return (Elf64_Word)(r_info & 0xffffffffL); }
958
0
  void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
959
0
  void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
960
0
  void setSymbolAndType(Elf64_Word s, Elf64_Word t) {
961
0
    r_info = ((Elf64_Xword)s << 32) + (t & 0xffffffffL);
962
0
  }
963
};
964
965
// Relocation entry with explicit addend.
966
struct Elf64_Rela {
967
  Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
968
  Elf64_Xword r_info;  // Symbol table index and type of relocation to apply.
969
  Elf64_Sxword r_addend; // Compute value for relocatable field by adding this.
970
971
  // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
972
  // and ELF64_R_INFO macros defined in the ELF specification:
973
0
  Elf64_Word getSymbol() const { return (r_info >> 32); }
974
0
  Elf64_Word getType() const { return (Elf64_Word)(r_info & 0xffffffffL); }
975
0
  void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
976
0
  void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
977
5.05k
  void setSymbolAndType(Elf64_Word s, Elf64_Word t) {
978
5.05k
    r_info = ((Elf64_Xword)s << 32) + (t & 0xffffffffL);
979
5.05k
  }
980
};
981
982
// Program header for ELF32.
983
struct Elf32_Phdr {
984
  Elf32_Word p_type;   // Type of segment
985
  Elf32_Off p_offset;  // File offset where segment is located, in bytes
986
  Elf32_Addr p_vaddr;  // Virtual address of beginning of segment
987
  Elf32_Addr p_paddr;  // Physical address of beginning of segment (OS-specific)
988
  Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
989
  Elf32_Word p_memsz;  // Num. of bytes in mem image of segment (may be zero)
990
  Elf32_Word p_flags;  // Segment flags
991
  Elf32_Word p_align;  // Segment alignment constraint
992
};
993
994
// Program header for ELF64.
995
struct Elf64_Phdr {
996
  Elf64_Word p_type;    // Type of segment
997
  Elf64_Word p_flags;   // Segment flags
998
  Elf64_Off p_offset;   // File offset where segment is located, in bytes
999
  Elf64_Addr p_vaddr;   // Virtual address of beginning of segment
1000
  Elf64_Addr p_paddr;   // Physical addr of beginning of segment (OS-specific)
1001
  Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
1002
  Elf64_Xword p_memsz;  // Num. of bytes in mem image of segment (may be zero)
1003
  Elf64_Xword p_align;  // Segment alignment constraint
1004
};
1005
1006
// Segment types.
1007
enum {
1008
  PT_NULL = 0,            // Unused segment.
1009
  PT_LOAD = 1,            // Loadable segment.
1010
  PT_DYNAMIC = 2,         // Dynamic linking information.
1011
  PT_INTERP = 3,          // Interpreter pathname.
1012
  PT_NOTE = 4,            // Auxiliary information.
1013
  PT_SHLIB = 5,           // Reserved.
1014
  PT_PHDR = 6,            // The program header table itself.
1015
  PT_TLS = 7,             // The thread-local storage template.
1016
  PT_LOOS = 0x60000000,   // Lowest operating system-specific pt entry type.
1017
  PT_HIOS = 0x6fffffff,   // Highest operating system-specific pt entry type.
1018
  PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type.
1019
  PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type.
1020
1021
  // x86-64 program header types.
1022
  // These all contain stack unwind tables.
1023
  PT_GNU_EH_FRAME = 0x6474e550,
1024
  PT_SUNW_EH_FRAME = 0x6474e550,
1025
  PT_SUNW_UNWIND = 0x6464e550,
1026
1027
  PT_GNU_STACK = 0x6474e551, // Indicates stack executability.
1028
  PT_GNU_RELRO = 0x6474e552, // Read-only after relocation.
1029
1030
  PT_OPENBSD_RANDOMIZE = 0x65a3dbe6, // Fill with random data.
1031
  PT_OPENBSD_WXNEEDED = 0x65a3dbe7,  // Program does W^X violations.
1032
  PT_OPENBSD_BOOTDATA = 0x65a41be6,  // Section for boot arguments.
1033
1034
  // ARM program header types.
1035
  PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info
1036
  // These all contain stack unwind tables.
1037
  PT_ARM_EXIDX = 0x70000001,
1038
  PT_ARM_UNWIND = 0x70000001,
1039
1040
  // MIPS program header types.
1041
  PT_MIPS_REGINFO = 0x70000000,  // Register usage information.
1042
  PT_MIPS_RTPROC = 0x70000001,   // Runtime procedure table.
1043
  PT_MIPS_OPTIONS = 0x70000002,  // Options segment.
1044
  PT_MIPS_ABIFLAGS = 0x70000003, // Abiflags segment.
1045
1046
  // WebAssembly program header types.
1047
  PT_WEBASSEMBLY_FUNCTIONS = PT_LOPROC + 0, // Function definitions.
1048
};
1049
1050
// Segment flag bits.
1051
enum : unsigned {
1052
  PF_X = 1,                // Execute
1053
  PF_W = 2,                // Write
1054
  PF_R = 4,                // Read
1055
  PF_MASKOS = 0x0ff00000,  // Bits for operating system-specific semantics.
1056
  PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics.
1057
};
1058
1059
// Dynamic table entry for ELF32.
1060
struct Elf32_Dyn {
1061
  Elf32_Sword d_tag; // Type of dynamic table entry.
1062
  union {
1063
    Elf32_Word d_val; // Integer value of entry.
1064
    Elf32_Addr d_ptr; // Pointer value of entry.
1065
  } d_un;
1066
};
1067
1068
// Dynamic table entry for ELF64.
1069
struct Elf64_Dyn {
1070
  Elf64_Sxword d_tag; // Type of dynamic table entry.
1071
  union {
1072
    Elf64_Xword d_val; // Integer value of entry.
1073
    Elf64_Addr d_ptr;  // Pointer value of entry.
1074
  } d_un;
1075
};
1076
1077
// Dynamic table entry tags.
1078
enum {
1079
  DT_NULL = 0,          // Marks end of dynamic array.
1080
  DT_NEEDED = 1,        // String table offset of needed library.
1081
  DT_PLTRELSZ = 2,      // Size of relocation entries in PLT.
1082
  DT_PLTGOT = 3,        // Address associated with linkage table.
1083
  DT_HASH = 4,          // Address of symbolic hash table.
1084
  DT_STRTAB = 5,        // Address of dynamic string table.
1085
  DT_SYMTAB = 6,        // Address of dynamic symbol table.
1086
  DT_RELA = 7,          // Address of relocation table (Rela entries).
1087
  DT_RELASZ = 8,        // Size of Rela relocation table.
1088
  DT_RELAENT = 9,       // Size of a Rela relocation entry.
1089
  DT_STRSZ = 10,        // Total size of the string table.
1090
  DT_SYMENT = 11,       // Size of a symbol table entry.
1091
  DT_INIT = 12,         // Address of initialization function.
1092
  DT_FINI = 13,         // Address of termination function.
1093
  DT_SONAME = 14,       // String table offset of a shared objects name.
1094
  DT_RPATH = 15,        // String table offset of library search path.
1095
  DT_SYMBOLIC = 16,     // Changes symbol resolution algorithm.
1096
  DT_REL = 17,          // Address of relocation table (Rel entries).
1097
  DT_RELSZ = 18,        // Size of Rel relocation table.
1098
  DT_RELENT = 19,       // Size of a Rel relocation entry.
1099
  DT_PLTREL = 20,       // Type of relocation entry used for linking.
1100
  DT_DEBUG = 21,        // Reserved for debugger.
1101
  DT_TEXTREL = 22,      // Relocations exist for non-writable segments.
1102
  DT_JMPREL = 23,       // Address of relocations associated with PLT.
1103
  DT_BIND_NOW = 24,     // Process all relocations before execution.
1104
  DT_INIT_ARRAY = 25,   // Pointer to array of initialization functions.
1105
  DT_FINI_ARRAY = 26,   // Pointer to array of termination functions.
1106
  DT_INIT_ARRAYSZ = 27, // Size of DT_INIT_ARRAY.
1107
  DT_FINI_ARRAYSZ = 28, // Size of DT_FINI_ARRAY.
1108
  DT_RUNPATH = 29,      // String table offset of lib search path.
1109
  DT_FLAGS = 30,        // Flags.
1110
  DT_ENCODING = 32,     // Values from here to DT_LOOS follow the rules
1111
                        // for the interpretation of the d_un union.
1112
1113
  DT_PREINIT_ARRAY = 32,   // Pointer to array of preinit functions.
1114
  DT_PREINIT_ARRAYSZ = 33, // Size of the DT_PREINIT_ARRAY array.
1115
1116
  DT_LOOS = 0x60000000,   // Start of environment specific tags.
1117
  DT_HIOS = 0x6FFFFFFF,   // End of environment specific tags.
1118
  DT_LOPROC = 0x70000000, // Start of processor specific tags.
1119
  DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags.
1120
1121
  DT_GNU_HASH = 0x6FFFFEF5, // Reference to the GNU hash table.
1122
  DT_TLSDESC_PLT =
1123
      0x6FFFFEF6, // Location of PLT entry for TLS descriptor resolver calls.
1124
  DT_TLSDESC_GOT = 0x6FFFFEF7, // Location of GOT entry used by TLS descriptor
1125
                               // resolver PLT entry.
1126
  DT_RELACOUNT = 0x6FFFFFF9,   // ELF32_Rela count.
1127
  DT_RELCOUNT = 0x6FFFFFFA,    // ELF32_Rel count.
1128
1129
  DT_FLAGS_1 = 0X6FFFFFFB,    // Flags_1.
1130
  DT_VERSYM = 0x6FFFFFF0,     // The address of .gnu.version section.
1131
  DT_VERDEF = 0X6FFFFFFC,     // The address of the version definition table.
1132
  DT_VERDEFNUM = 0X6FFFFFFD,  // The number of entries in DT_VERDEF.
1133
  DT_VERNEED = 0X6FFFFFFE,    // The address of the version Dependency table.
1134
  DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED.
1135
1136
  // Hexagon specific dynamic table entries
1137
  DT_HEXAGON_SYMSZ = 0x70000000,
1138
  DT_HEXAGON_VER = 0x70000001,
1139
  DT_HEXAGON_PLT = 0x70000002,
1140
1141
  // Mips specific dynamic table entry tags.
1142
  DT_MIPS_RLD_VERSION = 0x70000001,    // 32 bit version number for runtime
1143
                                       // linker interface.
1144
  DT_MIPS_TIME_STAMP = 0x70000002,     // Time stamp.
1145
  DT_MIPS_ICHECKSUM = 0x70000003,      // Checksum of external strings
1146
                                       // and common sizes.
1147
  DT_MIPS_IVERSION = 0x70000004,       // Index of version string
1148
                                       // in string table.
1149
  DT_MIPS_FLAGS = 0x70000005,          // 32 bits of flags.
1150
  DT_MIPS_BASE_ADDRESS = 0x70000006,   // Base address of the segment.
1151
  DT_MIPS_MSYM = 0x70000007,           // Address of .msym section.
1152
  DT_MIPS_CONFLICT = 0x70000008,       // Address of .conflict section.
1153
  DT_MIPS_LIBLIST = 0x70000009,        // Address of .liblist section.
1154
  DT_MIPS_LOCAL_GOTNO = 0x7000000a,    // Number of local global offset
1155
                                       // table entries.
1156
  DT_MIPS_CONFLICTNO = 0x7000000b,     // Number of entries
1157
                                       // in the .conflict section.
1158
  DT_MIPS_LIBLISTNO = 0x70000010,      // Number of entries
1159
                                       // in the .liblist section.
1160
  DT_MIPS_SYMTABNO = 0x70000011,       // Number of entries
1161
                                       // in the .dynsym section.
1162
  DT_MIPS_UNREFEXTNO = 0x70000012,     // Index of first external dynamic symbol
1163
                                       // not referenced locally.
1164
  DT_MIPS_GOTSYM = 0x70000013,         // Index of first dynamic symbol
1165
                                       // in global offset table.
1166
  DT_MIPS_HIPAGENO = 0x70000014,       // Number of page table entries
1167
                                       // in global offset table.
1168
  DT_MIPS_RLD_MAP = 0x70000016,        // Address of run time loader map,
1169
                                       // used for debugging.
1170
  DT_MIPS_DELTA_CLASS = 0x70000017,    // Delta C++ class definition.
1171
  DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries
1172
                                       // in DT_MIPS_DELTA_CLASS.
1173
  DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances.
1174
  DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A,     // Number of entries
1175
                                              // in DT_MIPS_DELTA_INSTANCE.
1176
  DT_MIPS_DELTA_RELOC = 0x7000001B,           // Delta relocations.
1177
  DT_MIPS_DELTA_RELOC_NO = 0x7000001C,        // Number of entries
1178
                                              // in DT_MIPS_DELTA_RELOC.
1179
  DT_MIPS_DELTA_SYM = 0x7000001D,             // Delta symbols that Delta
1180
                                              // relocations refer to.
1181
  DT_MIPS_DELTA_SYM_NO = 0x7000001E,          // Number of entries
1182
                                              // in DT_MIPS_DELTA_SYM.
1183
  DT_MIPS_DELTA_CLASSSYM = 0x70000020,        // Delta symbols that hold
1184
                                              // class declarations.
1185
  DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021,     // Number of entries
1186
                                              // in DT_MIPS_DELTA_CLASSSYM.
1187
  DT_MIPS_CXX_FLAGS = 0x70000022,             // Flags indicating information
1188
                                              // about C++ flavor.
1189
  DT_MIPS_PIXIE_INIT = 0x70000023,            // Pixie information.
1190
  DT_MIPS_SYMBOL_LIB = 0x70000024,            // Address of .MIPS.symlib
1191
  DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025,      // The GOT index of the first PTE
1192
                                              // for a segment
1193
  DT_MIPS_LOCAL_GOTIDX = 0x70000026,          // The GOT index of the first PTE
1194
                                              // for a local symbol
1195
  DT_MIPS_HIDDEN_GOTIDX = 0x70000027,         // The GOT index of the first PTE
1196
                                              // for a hidden symbol
1197
  DT_MIPS_PROTECTED_GOTIDX = 0x70000028,      // The GOT index of the first PTE
1198
                                              // for a protected symbol
1199
  DT_MIPS_OPTIONS = 0x70000029,               // Address of `.MIPS.options'.
1200
  DT_MIPS_INTERFACE = 0x7000002A,             // Address of `.interface'.
1201
  DT_MIPS_DYNSTR_ALIGN = 0x7000002B,          // Unknown.
1202
  DT_MIPS_INTERFACE_SIZE = 0x7000002C,        // Size of the .interface section.
1203
  DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve
1204
                                              // function stored in the GOT.
1205
  DT_MIPS_PERF_SUFFIX = 0x7000002E,  // Default suffix of DSO to be added
1206
                                     // by rld on dlopen() calls.
1207
  DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation
1208
                                     // section (O32).
1209
  DT_MIPS_GP_VALUE = 0x70000030,     // GP value for auxiliary GOTs.
1210
  DT_MIPS_AUX_DYNAMIC = 0x70000031,  // Address of auxiliary .dynamic.
1211
  DT_MIPS_PLTGOT = 0x70000032,       // Address of the base of the PLTGOT.
1212
  DT_MIPS_RWPLT = 0x70000034,        // Points to the base
1213
                                     // of a writable PLT.
1214
  DT_MIPS_RLD_MAP_REL = 0x70000035,  // Relative offset of run time loader
1215
                                     // map, used for debugging.
1216
1217
  // Sun machine-independent extensions.
1218
  DT_AUXILIARY = 0x7FFFFFFD, // Shared object to load before self
1219
  DT_FILTER = 0x7FFFFFFF     // Shared object to get values from
1220
};
1221
1222
// DT_FLAGS values.
1223
enum {
1224
  DF_ORIGIN = 0x01,    // The object may reference $ORIGIN.
1225
  DF_SYMBOLIC = 0x02,  // Search the shared lib before searching the exe.
1226
  DF_TEXTREL = 0x04,   // Relocations may modify a non-writable segment.
1227
  DF_BIND_NOW = 0x08,  // Process all relocations on load.
1228
  DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically.
1229
};
1230
1231
// State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry.
1232
enum {
1233
  DF_1_NOW = 0x00000001,       // Set RTLD_NOW for this object.
1234
  DF_1_GLOBAL = 0x00000002,    // Set RTLD_GLOBAL for this object.
1235
  DF_1_GROUP = 0x00000004,     // Set RTLD_GROUP for this object.
1236
  DF_1_NODELETE = 0x00000008,  // Set RTLD_NODELETE for this object.
1237
  DF_1_LOADFLTR = 0x00000010,  // Trigger filtee loading at runtime.
1238
  DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object.
1239
  DF_1_NOOPEN = 0x00000040,    // Set RTLD_NOOPEN for this object.
1240
  DF_1_ORIGIN = 0x00000080,    // $ORIGIN must be handled.
1241
  DF_1_DIRECT = 0x00000100,    // Direct binding enabled.
1242
  DF_1_TRANS = 0x00000200,
1243
  DF_1_INTERPOSE = 0x00000400,  // Object is used to interpose.
1244
  DF_1_NODEFLIB = 0x00000800,   // Ignore default lib search path.
1245
  DF_1_NODUMP = 0x00001000,     // Object can't be dldump'ed.
1246
  DF_1_CONFALT = 0x00002000,    // Configuration alternative created.
1247
  DF_1_ENDFILTEE = 0x00004000,  // Filtee terminates filters search.
1248
  DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time.
1249
  DF_1_DISPRELPND = 0x00010000, // Disp reloc applied at run-time.
1250
  DF_1_NODIRECT = 0x00020000,   // Object has no-direct binding.
1251
  DF_1_IGNMULDEF = 0x00040000,
1252
  DF_1_NOKSYMS = 0x00080000,
1253
  DF_1_NOHDR = 0x00100000,
1254
  DF_1_EDITED = 0x00200000, // Object is modified after built.
1255
  DF_1_NORELOC = 0x00400000,
1256
  DF_1_SYMINTPOSE = 0x00800000, // Object has individual interposers.
1257
  DF_1_GLOBAUDIT = 0x01000000,  // Global auditing required.
1258
  DF_1_SINGLETON = 0x02000000   // Singleton symbols are used.
1259
};
1260
1261
// DT_MIPS_FLAGS values.
1262
enum {
1263
  RHF_NONE = 0x00000000,                   // No flags.
1264
  RHF_QUICKSTART = 0x00000001,             // Uses shortcut pointers.
1265
  RHF_NOTPOT = 0x00000002,                 // Hash size is not a power of two.
1266
  RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH.
1267
  RHF_NO_MOVE = 0x00000008,                // DSO address may not be relocated.
1268
  RHF_SGI_ONLY = 0x00000010,               // SGI specific features.
1269
  RHF_GUARANTEE_INIT = 0x00000020,         // Guarantee that .init will finish
1270
                                           // executing before any non-init
1271
                                           // code in DSO is called.
1272
  RHF_DELTA_C_PLUS_PLUS = 0x00000040,      // Contains Delta C++ code.
1273
  RHF_GUARANTEE_START_INIT = 0x00000080,   // Guarantee that .init will start
1274
                                           // executing before any non-init
1275
                                           // code in DSO is called.
1276
  RHF_PIXIE = 0x00000100,                  // Generated by pixie.
1277
  RHF_DEFAULT_DELAY_LOAD = 0x00000200,     // Delay-load DSO by default.
1278
  RHF_REQUICKSTART = 0x00000400,           // Object may be requickstarted
1279
  RHF_REQUICKSTARTED = 0x00000800,         // Object has been requickstarted
1280
  RHF_CORD = 0x00001000,                   // Generated by cord.
1281
  RHF_NO_UNRES_UNDEF = 0x00002000,         // Object contains no unresolved
1282
                                           // undef symbols.
1283
  RHF_RLD_ORDER_SAFE = 0x00004000          // Symbol table is in a safe order.
1284
};
1285
1286
// ElfXX_VerDef structure version (GNU versioning)
1287
enum { VER_DEF_NONE = 0, VER_DEF_CURRENT = 1 };
1288
1289
// VerDef Flags (ElfXX_VerDef::vd_flags)
1290
enum { VER_FLG_BASE = 0x1, VER_FLG_WEAK = 0x2, VER_FLG_INFO = 0x4 };
1291
1292
// Special constants for the version table. (SHT_GNU_versym/.gnu.version)
1293
enum {
1294
  VER_NDX_LOCAL = 0,       // Unversioned local symbol
1295
  VER_NDX_GLOBAL = 1,      // Unversioned global symbol
1296
  VERSYM_VERSION = 0x7fff, // Version Index mask
1297
  VERSYM_HIDDEN = 0x8000   // Hidden bit (non-default version)
1298
};
1299
1300
// ElfXX_VerNeed structure version (GNU versioning)
1301
enum { VER_NEED_NONE = 0, VER_NEED_CURRENT = 1 };
1302
1303
// SHT_NOTE section types
1304
enum {
1305
  NT_FREEBSD_THRMISC = 7,
1306
  NT_FREEBSD_PROCSTAT_PROC = 8,
1307
  NT_FREEBSD_PROCSTAT_FILES = 9,
1308
  NT_FREEBSD_PROCSTAT_VMMAP = 10,
1309
  NT_FREEBSD_PROCSTAT_GROUPS = 11,
1310
  NT_FREEBSD_PROCSTAT_UMASK = 12,
1311
  NT_FREEBSD_PROCSTAT_RLIMIT = 13,
1312
  NT_FREEBSD_PROCSTAT_OSREL = 14,
1313
  NT_FREEBSD_PROCSTAT_PSSTRINGS = 15,
1314
  NT_FREEBSD_PROCSTAT_AUXV = 16,
1315
};
1316
1317
enum {
1318
  NT_GNU_ABI_TAG = 1,
1319
  NT_GNU_HWCAP = 2,
1320
  NT_GNU_BUILD_ID = 3,
1321
  NT_GNU_GOLD_VERSION = 4,
1322
};
1323
1324
enum {
1325
  GNU_ABI_TAG_LINUX = 0,
1326
  GNU_ABI_TAG_HURD = 1,
1327
  GNU_ABI_TAG_SOLARIS = 2,
1328
  GNU_ABI_TAG_FREEBSD = 3,
1329
  GNU_ABI_TAG_NETBSD = 4,
1330
  GNU_ABI_TAG_SYLLABLE = 5,
1331
  GNU_ABI_TAG_NACL = 6,
1332
};
1333
1334
// Compressed section header for ELF32.
1335
struct Elf32_Chdr {
1336
  Elf32_Word ch_type;
1337
  Elf32_Word ch_size;
1338
  Elf32_Word ch_addralign;
1339
};
1340
1341
// Compressed section header for ELF64.
1342
struct Elf64_Chdr {
1343
  Elf64_Word ch_type;
1344
  Elf64_Word ch_reserved;
1345
  Elf64_Xword ch_size;
1346
  Elf64_Xword ch_addralign;
1347
};
1348
1349
// Legal values for ch_type field of compressed section header.
1350
enum {
1351
  ELFCOMPRESS_ZLIB = 1,            // ZLIB/DEFLATE algorithm.
1352
  ELFCOMPRESS_LOOS = 0x60000000,   // Start of OS-specific.
1353
  ELFCOMPRESS_HIOS = 0x6fffffff,   // End of OS-specific.
1354
  ELFCOMPRESS_LOPROC = 0x70000000, // Start of processor-specific.
1355
  ELFCOMPRESS_HIPROC = 0x7fffffff  // End of processor-specific.
1356
};
1357
1358
} // end namespace ELF
1359
1360
} // end namespace llvm
1361
1362
#endif