diff options
author | Brian Carlstrom <bdc@google.com> | 2014-07-01 23:54:20 -0700 |
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committer | Brian Carlstrom <bdc@google.com> | 2014-07-02 10:30:08 -0700 |
commit | e130ee6fe902315062ce17f8ce115b1dc506576d (patch) | |
tree | a9f17a1eed139e9c4de01c3b0e4166bf2e4aae4e | |
parent | ffcdd9f13daba70a64bb85688726ae23aa7a6eda (diff) | |
download | art-e130ee6fe902315062ce17f8ce115b1dc506576d.zip art-e130ee6fe902315062ce17f8ce115b1dc506576d.tar.gz art-e130ee6fe902315062ce17f8ce115b1dc506576d.tar.bz2 |
Add a local elf.h
Change-Id: Ic2d449bfdd3c95e393c083c9e1022adc4e9c06b8
-rw-r--r-- | NOTICE | 76 | ||||
-rw-r--r-- | build/Android.cpplint.mk | 2 | ||||
-rw-r--r-- | compiler/elf_writer_quick.h | 4 | ||||
-rw-r--r-- | runtime/elf.h | 1856 | ||||
-rw-r--r-- | runtime/elf_utils.h | 4 |
5 files changed, 1937 insertions, 5 deletions
@@ -188,3 +188,79 @@ END OF TERMS AND CONDITIONS +------------------------------------------------------------------- + +For art/runtime/elf.h derived from external/llvm/include/llvm/Support/ELF.h + +============================================================================== +LLVM Release License +============================================================================== +University of Illinois/NCSA +Open Source License + +Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign. +All rights reserved. + +Developed by: + + LLVM Team + + University of Illinois at Urbana-Champaign + + http://llvm.org + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal with +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimers. + + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimers in the + documentation and/or other materials provided with the distribution. + + * Neither the names of the LLVM Team, University of Illinois at + Urbana-Champaign, nor the names of its contributors may be used to + endorse or promote products derived from this Software without specific + prior written permission. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE +SOFTWARE. + +============================================================================== +Copyrights and Licenses for Third Party Software Distributed with LLVM: +============================================================================== +The LLVM software contains code written by third parties. Such software will +have its own individual LICENSE.TXT file in the directory in which it appears. +This file will describe the copyrights, license, and restrictions which apply +to that code. + +The disclaimer of warranty in the University of Illinois Open Source License +applies to all code in the LLVM Distribution, and nothing in any of the +other licenses gives permission to use the names of the LLVM Team or the +University of Illinois to endorse or promote products derived from this +Software. + +The following pieces of software have additional or alternate copyrights, +licenses, and/or restrictions: + +Program Directory +------- --------- +Autoconf llvm/autoconf + llvm/projects/ModuleMaker/autoconf +Google Test llvm/utils/unittest/googletest +OpenBSD regex llvm/lib/Support/{reg*, COPYRIGHT.regex} +pyyaml tests llvm/test/YAMLParser/{*.data, LICENSE.TXT} +ARM contributions llvm/lib/Target/ARM/LICENSE.TXT +md5 contributions llvm/lib/Support/MD5.cpp llvm/include/llvm/Support/MD5.h + +------------------------------------------------------------------- diff --git a/build/Android.cpplint.mk b/build/Android.cpplint.mk index 7abf863..79f8f5e 100644 --- a/build/Android.cpplint.mk +++ b/build/Android.cpplint.mk @@ -18,7 +18,7 @@ include art/build/Android.common_build.mk ART_CPPLINT := art/tools/cpplint.py ART_CPPLINT_FILTER := --filter=-whitespace/line_length,-build/include,-readability/function,-readability/streams,-readability/todo,-runtime/references,-runtime/sizeof,-runtime/threadsafe_fn,-runtime/printf -ART_CPPLINT_SRC := $(shell find art -name "*.h" -o -name "*$(ART_CPP_EXTENSION)" | grep -v art/compiler/llvm/generated/) +ART_CPPLINT_SRC := $(shell find art -name "*.h" -o -name "*$(ART_CPP_EXTENSION)" | grep -v art/compiler/llvm/generated/ | grep -v art/runtime/elf\.h) # "mm cpplint-art" to verify we aren't regressing .PHONY: cpplint-art diff --git a/compiler/elf_writer_quick.h b/compiler/elf_writer_quick.h index dbdccfc..6eb5d68 100644 --- a/compiler/elf_writer_quick.h +++ b/compiler/elf_writer_quick.h @@ -167,10 +167,10 @@ class ElfWriterQuick FINAL : public ElfWriter { ElfSymtabBuilder(const std::string& sec_name, Elf32_Word type, const std::string& str_name, Elf32_Word str_type, bool alloc) - : ElfSectionBuilder(sec_name, type, ((alloc)?SHF_ALLOC:0), &strtab_, 0, + : ElfSectionBuilder(sec_name, type, ((alloc) ? SHF_ALLOC : 0U), &strtab_, 0, sizeof(Elf32_Word), sizeof(Elf32_Sym)), str_name_(str_name), str_type_(str_type), - strtab_(str_name, str_type, ((alloc) ? SHF_ALLOC : 0), NULL, 0, 1, 1) {} + strtab_(str_name, str_type, ((alloc) ? SHF_ALLOC : 0U), NULL, 0, 1, 1) {} ~ElfSymtabBuilder() {} protected: diff --git a/runtime/elf.h b/runtime/elf.h new file mode 100644 index 0000000..6e007a2 --- /dev/null +++ b/runtime/elf.h @@ -0,0 +1,1856 @@ +//===-- llvm/Support/ELF.h - ELF constants and data structures --*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This header contains common, non-processor-specific data structures and +// constants for the ELF file format. +// +// The details of the ELF32 bits in this file are largely based on the Tool +// Interface Standard (TIS) Executable and Linking Format (ELF) Specification +// Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format +// Version 1.5, Draft 2, May 1998 as well as OpenBSD header files. +// +//===----------------------------------------------------------------------===// + +// BEGIN android-changed +#ifndef ART_RUNTIME_ELF_H_ +#define ART_RUNTIME_ELF_H_ +// END android-changed + +// BEGIN android-changed +#include <stdint.h> +#include <string.h> +// END android-changed + +typedef uint32_t Elf32_Addr; // Program address +typedef uint32_t Elf32_Off; // File offset +typedef uint16_t Elf32_Half; +typedef uint32_t Elf32_Word; +typedef int32_t Elf32_Sword; + +typedef uint64_t Elf64_Addr; +typedef uint64_t Elf64_Off; +typedef uint16_t Elf64_Half; +typedef uint32_t Elf64_Word; +typedef int32_t Elf64_Sword; +typedef uint64_t Elf64_Xword; +typedef int64_t Elf64_Sxword; + +// Object file magic string. +static const char ElfMagic[] = { 0x7f, 'E', 'L', 'F', '\0' }; + +// e_ident size and indices. +enum { + EI_MAG0 = 0, // File identification index. + EI_MAG1 = 1, // File identification index. + EI_MAG2 = 2, // File identification index. + EI_MAG3 = 3, // File identification index. + EI_CLASS = 4, // File class. + EI_DATA = 5, // Data encoding. + EI_VERSION = 6, // File version. + EI_OSABI = 7, // OS/ABI identification. + EI_ABIVERSION = 8, // ABI version. + EI_PAD = 9, // Start of padding bytes. + EI_NIDENT = 16 // Number of bytes in e_ident. +}; + +// BEGIN android-added for <elf.h> compat +const char ELFMAG0 = ElfMagic[EI_MAG0]; +const char ELFMAG1 = ElfMagic[EI_MAG1]; +const char ELFMAG2 = ElfMagic[EI_MAG2]; +const char ELFMAG3 = ElfMagic[EI_MAG3]; +// END android-added for <elf.h> compat + +struct Elf32_Ehdr { + unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes + Elf32_Half e_type; // Type of file (see ET_* below) + Elf32_Half e_machine; // Required architecture for this file (see EM_*) + Elf32_Word e_version; // Must be equal to 1 + Elf32_Addr e_entry; // Address to jump to in order to start program + Elf32_Off e_phoff; // Program header table's file offset, in bytes + Elf32_Off e_shoff; // Section header table's file offset, in bytes + Elf32_Word e_flags; // Processor-specific flags + Elf32_Half e_ehsize; // Size of ELF header, in bytes + Elf32_Half e_phentsize; // Size of an entry in the program header table + Elf32_Half e_phnum; // Number of entries in the program header table + Elf32_Half e_shentsize; // Size of an entry in the section header table + Elf32_Half e_shnum; // Number of entries in the section header table + Elf32_Half e_shstrndx; // Sect hdr table index of sect name string table + bool checkMagic() const { + return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0; + } + unsigned char getFileClass() const { return e_ident[EI_CLASS]; } + unsigned char getDataEncoding() const { return e_ident[EI_DATA]; } +}; + +// 64-bit ELF header. Fields are the same as for ELF32, but with different +// types (see above). +struct Elf64_Ehdr { + unsigned char e_ident[EI_NIDENT]; + Elf64_Half e_type; + Elf64_Half e_machine; + Elf64_Word e_version; + Elf64_Addr e_entry; + Elf64_Off e_phoff; + Elf64_Off e_shoff; + Elf64_Word e_flags; + Elf64_Half e_ehsize; + Elf64_Half e_phentsize; + Elf64_Half e_phnum; + Elf64_Half e_shentsize; + Elf64_Half e_shnum; + Elf64_Half e_shstrndx; + bool checkMagic() const { + return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0; + } + unsigned char getFileClass() const { return e_ident[EI_CLASS]; } + unsigned char getDataEncoding() const { return e_ident[EI_DATA]; } +}; + +// File types +enum { + ET_NONE = 0, // No file type + ET_REL = 1, // Relocatable file + ET_EXEC = 2, // Executable file + ET_DYN = 3, // Shared object file + ET_CORE = 4, // Core file + ET_LOPROC = 0xff00, // Beginning of processor-specific codes + ET_HIPROC = 0xffff // Processor-specific +}; + +// Versioning +enum { + EV_NONE = 0, + EV_CURRENT = 1 +}; + +// Machine architectures +enum { + EM_NONE = 0, // No machine + EM_M32 = 1, // AT&T WE 32100 + EM_SPARC = 2, // SPARC + EM_386 = 3, // Intel 386 + EM_68K = 4, // Motorola 68000 + EM_88K = 5, // Motorola 88000 + EM_486 = 6, // Intel 486 (deprecated) + EM_860 = 7, // Intel 80860 + EM_MIPS = 8, // MIPS R3000 + EM_S370 = 9, // IBM System/370 + EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian + EM_PARISC = 15, // Hewlett-Packard PA-RISC + EM_VPP500 = 17, // Fujitsu VPP500 + EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC + EM_960 = 19, // Intel 80960 + EM_PPC = 20, // PowerPC + EM_PPC64 = 21, // PowerPC64 + EM_S390 = 22, // IBM System/390 + EM_SPU = 23, // IBM SPU/SPC + EM_V800 = 36, // NEC V800 + EM_FR20 = 37, // Fujitsu FR20 + EM_RH32 = 38, // TRW RH-32 + EM_RCE = 39, // Motorola RCE + EM_ARM = 40, // ARM + EM_ALPHA = 41, // DEC Alpha + EM_SH = 42, // Hitachi SH + EM_SPARCV9 = 43, // SPARC V9 + EM_TRICORE = 44, // Siemens TriCore + EM_ARC = 45, // Argonaut RISC Core + EM_H8_300 = 46, // Hitachi H8/300 + EM_H8_300H = 47, // Hitachi H8/300H + EM_H8S = 48, // Hitachi H8S + EM_H8_500 = 49, // Hitachi H8/500 + EM_IA_64 = 50, // Intel IA-64 processor architecture + EM_MIPS_X = 51, // Stanford MIPS-X + EM_COLDFIRE = 52, // Motorola ColdFire + EM_68HC12 = 53, // Motorola M68HC12 + EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator + EM_PCP = 55, // Siemens PCP + EM_NCPU = 56, // Sony nCPU embedded RISC processor + EM_NDR1 = 57, // Denso NDR1 microprocessor + EM_STARCORE = 58, // Motorola Star*Core processor + EM_ME16 = 59, // Toyota ME16 processor + EM_ST100 = 60, // STMicroelectronics ST100 processor + EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family + EM_X86_64 = 62, // AMD x86-64 architecture + EM_PDSP = 63, // Sony DSP Processor + EM_PDP10 = 64, // Digital Equipment Corp. PDP-10 + EM_PDP11 = 65, // Digital Equipment Corp. PDP-11 + EM_FX66 = 66, // Siemens FX66 microcontroller + EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller + EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller + EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller + EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller + EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller + EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller + EM_SVX = 73, // Silicon Graphics SVx + EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller + EM_VAX = 75, // Digital VAX + EM_CRIS = 76, // Axis Communications 32-bit embedded processor + EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor + EM_FIREPATH = 78, // Element 14 64-bit DSP Processor + EM_ZSP = 79, // LSI Logic 16-bit DSP Processor + EM_MMIX = 80, // Donald Knuth's educational 64-bit processor + EM_HUANY = 81, // Harvard University machine-independent object files + EM_PRISM = 82, // SiTera Prism + EM_AVR = 83, // Atmel AVR 8-bit microcontroller + EM_FR30 = 84, // Fujitsu FR30 + EM_D10V = 85, // Mitsubishi D10V + EM_D30V = 86, // Mitsubishi D30V + EM_V850 = 87, // NEC v850 + EM_M32R = 88, // Mitsubishi M32R + EM_MN10300 = 89, // Matsushita MN10300 + EM_MN10200 = 90, // Matsushita MN10200 + EM_PJ = 91, // picoJava + EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor + EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old + // spelling/synonym: EM_ARC_A5) + EM_XTENSA = 94, // Tensilica Xtensa Architecture + EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor + EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor + EM_NS32K = 97, // National Semiconductor 32000 series + EM_TPC = 98, // Tenor Network TPC processor + EM_SNP1K = 99, // Trebia SNP 1000 processor + EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200 + EM_IP2K = 101, // Ubicom IP2xxx microcontroller family + EM_MAX = 102, // MAX Processor + EM_CR = 103, // National Semiconductor CompactRISC microprocessor + EM_F2MC16 = 104, // Fujitsu F2MC16 + EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430 + EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor + EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors + EM_SEP = 108, // Sharp embedded microprocessor + EM_ARCA = 109, // Arca RISC Microprocessor + EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC + // of Peking University + EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU + EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor + EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor + EM_CRX = 114, // National Semiconductor CompactRISC CRX + EM_XGATE = 115, // Motorola XGATE embedded processor + EM_C166 = 116, // Infineon C16x/XC16x processor + EM_M16C = 117, // Renesas M16C series microprocessors + EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal + // Controller + EM_CE = 119, // Freescale Communication Engine RISC core + EM_M32C = 120, // Renesas M32C series microprocessors + EM_TSK3000 = 131, // Altium TSK3000 core + EM_RS08 = 132, // Freescale RS08 embedded processor + EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP + // processors + EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor + EM_SCORE7 = 135, // Sunplus S+core7 RISC processor + EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor + EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor + EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture + EM_SE_C17 = 139, // Seiko Epson C17 family + EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family + EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family + EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family + EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor + EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor + EM_R32C = 162, // Renesas R32C series microprocessors + EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family + EM_HEXAGON = 164, // Qualcomm Hexagon processor + EM_8051 = 165, // Intel 8051 and variants + EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable + // and extensible RISC processors + EM_NDS32 = 167, // Andes Technology compact code size embedded RISC + // processor family + EM_ECOG1 = 168, // Cyan Technology eCOG1X family + EM_ECOG1X = 168, // Cyan Technology eCOG1X family + EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers + EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor + EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor + EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture + EM_RX = 173, // Renesas RX family + EM_METAG = 174, // Imagination Technologies META processor + // architecture + EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture + EM_ECOG16 = 176, // Cyan Technology eCOG16 family + EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit + // microprocessor + EM_ETPU = 178, // Freescale Extended Time Processing Unit + EM_SLE9X = 179, // Infineon Technologies SLE9X core + EM_L10M = 180, // Intel L10M + EM_K10M = 181, // Intel K10M + EM_AARCH64 = 183, // ARM AArch64 + EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family + EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller + EM_TILE64 = 187, // Tilera TILE64 multicore architecture family + EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family + EM_CUDA = 190, // NVIDIA CUDA architecture + EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family + EM_CLOUDSHIELD = 192, // CloudShield architecture family + EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family + EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family + EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2 + EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core + EM_RL78 = 197, // Renesas RL78 family + EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor + EM_78KOR = 199, // Renesas 78KOR family + EM_56800EX = 200 // Freescale 56800EX Digital Signal Controller (DSC) +}; + +// Object file classes. +enum { + ELFCLASSNONE = 0, + ELFCLASS32 = 1, // 32-bit object file + ELFCLASS64 = 2 // 64-bit object file +}; + +// Object file byte orderings. +enum { + ELFDATANONE = 0, // Invalid data encoding. + ELFDATA2LSB = 1, // Little-endian object file + ELFDATA2MSB = 2 // Big-endian object file +}; + +// OS ABI identification. +enum { + ELFOSABI_NONE = 0, // UNIX System V ABI + ELFOSABI_HPUX = 1, // HP-UX operating system + ELFOSABI_NETBSD = 2, // NetBSD + ELFOSABI_GNU = 3, // GNU/Linux + ELFOSABI_LINUX = 3, // Historical alias for ELFOSABI_GNU. + ELFOSABI_HURD = 4, // GNU/Hurd + ELFOSABI_SOLARIS = 6, // Solaris + ELFOSABI_AIX = 7, // AIX + ELFOSABI_IRIX = 8, // IRIX + ELFOSABI_FREEBSD = 9, // FreeBSD + ELFOSABI_TRU64 = 10, // TRU64 UNIX + ELFOSABI_MODESTO = 11, // Novell Modesto + ELFOSABI_OPENBSD = 12, // OpenBSD + ELFOSABI_OPENVMS = 13, // OpenVMS + ELFOSABI_NSK = 14, // Hewlett-Packard Non-Stop Kernel + ELFOSABI_AROS = 15, // AROS + ELFOSABI_FENIXOS = 16, // FenixOS + ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000 + ELFOSABI_C6000_LINUX = 65, // Linux TMS320C6000 + ELFOSABI_ARM = 97, // ARM + ELFOSABI_STANDALONE = 255 // Standalone (embedded) application +}; + +// X86_64 relocations. +enum { + R_X86_64_NONE = 0, + R_X86_64_64 = 1, + R_X86_64_PC32 = 2, + R_X86_64_GOT32 = 3, + R_X86_64_PLT32 = 4, + R_X86_64_COPY = 5, + R_X86_64_GLOB_DAT = 6, + R_X86_64_JUMP_SLOT = 7, + R_X86_64_RELATIVE = 8, + R_X86_64_GOTPCREL = 9, + R_X86_64_32 = 10, + R_X86_64_32S = 11, + R_X86_64_16 = 12, + R_X86_64_PC16 = 13, + R_X86_64_8 = 14, + R_X86_64_PC8 = 15, + R_X86_64_DTPMOD64 = 16, + R_X86_64_DTPOFF64 = 17, + R_X86_64_TPOFF64 = 18, + R_X86_64_TLSGD = 19, + R_X86_64_TLSLD = 20, + R_X86_64_DTPOFF32 = 21, + R_X86_64_GOTTPOFF = 22, + R_X86_64_TPOFF32 = 23, + R_X86_64_PC64 = 24, + R_X86_64_GOTOFF64 = 25, + R_X86_64_GOTPC32 = 26, + R_X86_64_GOT64 = 27, + R_X86_64_GOTPCREL64 = 28, + R_X86_64_GOTPC64 = 29, + R_X86_64_GOTPLT64 = 30, + R_X86_64_PLTOFF64 = 31, + R_X86_64_SIZE32 = 32, + R_X86_64_SIZE64 = 33, + R_X86_64_GOTPC32_TLSDESC = 34, + R_X86_64_TLSDESC_CALL = 35, + R_X86_64_TLSDESC = 36, + R_X86_64_IRELATIVE = 37 +}; + +// i386 relocations. +// TODO: this is just a subset +enum { + R_386_NONE = 0, + R_386_32 = 1, + R_386_PC32 = 2, + R_386_GOT32 = 3, + R_386_PLT32 = 4, + R_386_COPY = 5, + R_386_GLOB_DAT = 6, + R_386_JUMP_SLOT = 7, + R_386_RELATIVE = 8, + R_386_GOTOFF = 9, + R_386_GOTPC = 10, + R_386_32PLT = 11, + R_386_TLS_TPOFF = 14, + R_386_TLS_IE = 15, + R_386_TLS_GOTIE = 16, + R_386_TLS_LE = 17, + R_386_TLS_GD = 18, + R_386_TLS_LDM = 19, + R_386_16 = 20, + R_386_PC16 = 21, + R_386_8 = 22, + R_386_PC8 = 23, + R_386_TLS_GD_32 = 24, + R_386_TLS_GD_PUSH = 25, + R_386_TLS_GD_CALL = 26, + R_386_TLS_GD_POP = 27, + R_386_TLS_LDM_32 = 28, + R_386_TLS_LDM_PUSH = 29, + R_386_TLS_LDM_CALL = 30, + R_386_TLS_LDM_POP = 31, + R_386_TLS_LDO_32 = 32, + R_386_TLS_IE_32 = 33, + R_386_TLS_LE_32 = 34, + R_386_TLS_DTPMOD32 = 35, + R_386_TLS_DTPOFF32 = 36, + R_386_TLS_TPOFF32 = 37, + R_386_TLS_GOTDESC = 39, + R_386_TLS_DESC_CALL = 40, + R_386_TLS_DESC = 41, + R_386_IRELATIVE = 42, + R_386_NUM = 43 +}; + +// ELF Relocation types for PPC32 +enum { + R_PPC_NONE = 0, /* No relocation. */ + R_PPC_ADDR32 = 1, + R_PPC_ADDR24 = 2, + R_PPC_ADDR16 = 3, + R_PPC_ADDR16_LO = 4, + R_PPC_ADDR16_HI = 5, + R_PPC_ADDR16_HA = 6, + R_PPC_ADDR14 = 7, + R_PPC_ADDR14_BRTAKEN = 8, + R_PPC_ADDR14_BRNTAKEN = 9, + R_PPC_REL24 = 10, + R_PPC_REL14 = 11, + R_PPC_REL14_BRTAKEN = 12, + R_PPC_REL14_BRNTAKEN = 13, + R_PPC_GOT16 = 14, + R_PPC_GOT16_LO = 15, + R_PPC_GOT16_HI = 16, + R_PPC_GOT16_HA = 17, + R_PPC_REL32 = 26, + R_PPC_TLS = 67, + R_PPC_DTPMOD32 = 68, + R_PPC_TPREL16 = 69, + R_PPC_TPREL16_LO = 70, + R_PPC_TPREL16_HI = 71, + R_PPC_TPREL16_HA = 72, + R_PPC_TPREL32 = 73, + R_PPC_DTPREL16 = 74, + R_PPC_DTPREL16_LO = 75, + R_PPC_DTPREL16_HI = 76, + R_PPC_DTPREL16_HA = 77, + R_PPC_DTPREL32 = 78, + R_PPC_GOT_TLSGD16 = 79, + R_PPC_GOT_TLSGD16_LO = 80, + R_PPC_GOT_TLSGD16_HI = 81, + R_PPC_GOT_TLSGD16_HA = 82, + R_PPC_GOT_TLSLD16 = 83, + R_PPC_GOT_TLSLD16_LO = 84, + R_PPC_GOT_TLSLD16_HI = 85, + R_PPC_GOT_TLSLD16_HA = 86, + R_PPC_GOT_TPREL16 = 87, + R_PPC_GOT_TPREL16_LO = 88, + R_PPC_GOT_TPREL16_HI = 89, + R_PPC_GOT_TPREL16_HA = 90, + R_PPC_GOT_DTPREL16 = 91, + R_PPC_GOT_DTPREL16_LO = 92, + R_PPC_GOT_DTPREL16_HI = 93, + R_PPC_GOT_DTPREL16_HA = 94, + R_PPC_TLSGD = 95, + R_PPC_TLSLD = 96, + R_PPC_REL16 = 249, + R_PPC_REL16_LO = 250, + R_PPC_REL16_HI = 251, + R_PPC_REL16_HA = 252 +}; + +// ELF Relocation types for PPC64 +enum { + R_PPC64_NONE = 0, + R_PPC64_ADDR32 = 1, + R_PPC64_ADDR24 = 2, + R_PPC64_ADDR16 = 3, + R_PPC64_ADDR16_LO = 4, + R_PPC64_ADDR16_HI = 5, + R_PPC64_ADDR16_HA = 6, + R_PPC64_ADDR14 = 7, + R_PPC64_ADDR14_BRTAKEN = 8, + R_PPC64_ADDR14_BRNTAKEN = 9, + R_PPC64_REL24 = 10, + R_PPC64_REL14 = 11, + R_PPC64_REL14_BRTAKEN = 12, + R_PPC64_REL14_BRNTAKEN = 13, + R_PPC64_GOT16 = 14, + R_PPC64_GOT16_LO = 15, + R_PPC64_GOT16_HI = 16, + R_PPC64_GOT16_HA = 17, + R_PPC64_REL32 = 26, + R_PPC64_ADDR64 = 38, + R_PPC64_ADDR16_HIGHER = 39, + R_PPC64_ADDR16_HIGHERA = 40, + R_PPC64_ADDR16_HIGHEST = 41, + R_PPC64_ADDR16_HIGHESTA = 42, + R_PPC64_REL64 = 44, + R_PPC64_TOC16 = 47, + R_PPC64_TOC16_LO = 48, + R_PPC64_TOC16_HI = 49, + R_PPC64_TOC16_HA = 50, + R_PPC64_TOC = 51, + R_PPC64_ADDR16_DS = 56, + R_PPC64_ADDR16_LO_DS = 57, + R_PPC64_GOT16_DS = 58, + R_PPC64_GOT16_LO_DS = 59, + R_PPC64_TOC16_DS = 63, + R_PPC64_TOC16_LO_DS = 64, + R_PPC64_TLS = 67, + R_PPC64_DTPMOD64 = 68, + R_PPC64_TPREL16 = 69, + R_PPC64_TPREL16_LO = 70, + R_PPC64_TPREL16_HI = 71, + R_PPC64_TPREL16_HA = 72, + R_PPC64_TPREL64 = 73, + R_PPC64_DTPREL16 = 74, + R_PPC64_DTPREL16_LO = 75, + R_PPC64_DTPREL16_HI = 76, + R_PPC64_DTPREL16_HA = 77, + R_PPC64_DTPREL64 = 78, + R_PPC64_GOT_TLSGD16 = 79, + R_PPC64_GOT_TLSGD16_LO = 80, + R_PPC64_GOT_TLSGD16_HI = 81, + R_PPC64_GOT_TLSGD16_HA = 82, + R_PPC64_GOT_TLSLD16 = 83, + R_PPC64_GOT_TLSLD16_LO = 84, + R_PPC64_GOT_TLSLD16_HI = 85, + R_PPC64_GOT_TLSLD16_HA = 86, + R_PPC64_GOT_TPREL16_DS = 87, + R_PPC64_GOT_TPREL16_LO_DS = 88, + R_PPC64_GOT_TPREL16_HI = 89, + R_PPC64_GOT_TPREL16_HA = 90, + R_PPC64_GOT_DTPREL16_DS = 91, + R_PPC64_GOT_DTPREL16_LO_DS = 92, + R_PPC64_GOT_DTPREL16_HI = 93, + R_PPC64_GOT_DTPREL16_HA = 94, + R_PPC64_TPREL16_DS = 95, + R_PPC64_TPREL16_LO_DS = 96, + R_PPC64_TPREL16_HIGHER = 97, + R_PPC64_TPREL16_HIGHERA = 98, + R_PPC64_TPREL16_HIGHEST = 99, + R_PPC64_TPREL16_HIGHESTA = 100, + R_PPC64_DTPREL16_DS = 101, + R_PPC64_DTPREL16_LO_DS = 102, + R_PPC64_DTPREL16_HIGHER = 103, + R_PPC64_DTPREL16_HIGHERA = 104, + R_PPC64_DTPREL16_HIGHEST = 105, + R_PPC64_DTPREL16_HIGHESTA = 106, + R_PPC64_TLSGD = 107, + R_PPC64_TLSLD = 108, + R_PPC64_REL16 = 249, + R_PPC64_REL16_LO = 250, + R_PPC64_REL16_HI = 251, + R_PPC64_REL16_HA = 252 +}; + +// ELF Relocation types for AArch64 + +enum { + R_AARCH64_NONE = 0x100, + + R_AARCH64_ABS64 = 0x101, + R_AARCH64_ABS32 = 0x102, + R_AARCH64_ABS16 = 0x103, + R_AARCH64_PREL64 = 0x104, + R_AARCH64_PREL32 = 0x105, + R_AARCH64_PREL16 = 0x106, + + R_AARCH64_MOVW_UABS_G0 = 0x107, + R_AARCH64_MOVW_UABS_G0_NC = 0x108, + R_AARCH64_MOVW_UABS_G1 = 0x109, + R_AARCH64_MOVW_UABS_G1_NC = 0x10a, + R_AARCH64_MOVW_UABS_G2 = 0x10b, + R_AARCH64_MOVW_UABS_G2_NC = 0x10c, + R_AARCH64_MOVW_UABS_G3 = 0x10d, + R_AARCH64_MOVW_SABS_G0 = 0x10e, + R_AARCH64_MOVW_SABS_G1 = 0x10f, + R_AARCH64_MOVW_SABS_G2 = 0x110, + + R_AARCH64_LD_PREL_LO19 = 0x111, + R_AARCH64_ADR_PREL_LO21 = 0x112, + R_AARCH64_ADR_PREL_PG_HI21 = 0x113, + R_AARCH64_ADD_ABS_LO12_NC = 0x115, + R_AARCH64_LDST8_ABS_LO12_NC = 0x116, + + R_AARCH64_TSTBR14 = 0x117, + R_AARCH64_CONDBR19 = 0x118, + R_AARCH64_JUMP26 = 0x11a, + R_AARCH64_CALL26 = 0x11b, + + R_AARCH64_LDST16_ABS_LO12_NC = 0x11c, + R_AARCH64_LDST32_ABS_LO12_NC = 0x11d, + R_AARCH64_LDST64_ABS_LO12_NC = 0x11e, + + R_AARCH64_LDST128_ABS_LO12_NC = 0x12b, + + R_AARCH64_ADR_GOT_PAGE = 0x137, + R_AARCH64_LD64_GOT_LO12_NC = 0x138, + + R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 0x20b, + R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 0x20c, + R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 0x20d, + R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 0x20e, + R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 0x20f, + R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 0x210, + R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 0x211, + R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 0x212, + R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 0x213, + R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 0x214, + R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 0x215, + R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 0x216, + R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 0x217, + R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 0x218, + R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 0x219, + R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 0x21a, + + R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 0x21b, + R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 0x21c, + R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 0x21d, + R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 0x21e, + R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 0x21f, + + R_AARCH64_TLSLE_MOVW_TPREL_G2 = 0x220, + R_AARCH64_TLSLE_MOVW_TPREL_G1 = 0x221, + R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 0x222, + R_AARCH64_TLSLE_MOVW_TPREL_G0 = 0x223, + R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 0x224, + R_AARCH64_TLSLE_ADD_TPREL_HI12 = 0x225, + R_AARCH64_TLSLE_ADD_TPREL_LO12 = 0x226, + R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 0x227, + R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 0x228, + R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 0x229, + R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 0x22a, + R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 0x22b, + R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 0x22c, + R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 0x22d, + R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 0x22e, + R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 0x22f, + + R_AARCH64_TLSDESC_ADR_PAGE = 0x232, + R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233, + R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234, + + R_AARCH64_TLSDESC_CALL = 0x239 +}; + +// ARM Specific e_flags +enum : unsigned { + EF_ARM_SOFT_FLOAT = 0x00000200U, + EF_ARM_VFP_FLOAT = 0x00000400U, + EF_ARM_EABI_UNKNOWN = 0x00000000U, + EF_ARM_EABI_VER1 = 0x01000000U, + EF_ARM_EABI_VER2 = 0x02000000U, + EF_ARM_EABI_VER3 = 0x03000000U, + EF_ARM_EABI_VER4 = 0x04000000U, + EF_ARM_EABI_VER5 = 0x05000000U, + EF_ARM_EABIMASK = 0xFF000000U +}; + +// ELF Relocation types for ARM +// Meets 2.08 ABI Specs. + +enum { + R_ARM_NONE = 0x00, + R_ARM_PC24 = 0x01, + R_ARM_ABS32 = 0x02, + R_ARM_REL32 = 0x03, + R_ARM_LDR_PC_G0 = 0x04, + R_ARM_ABS16 = 0x05, + R_ARM_ABS12 = 0x06, + R_ARM_THM_ABS5 = 0x07, + R_ARM_ABS8 = 0x08, + R_ARM_SBREL32 = 0x09, + R_ARM_THM_CALL = 0x0a, + R_ARM_THM_PC8 = 0x0b, + R_ARM_BREL_ADJ = 0x0c, + R_ARM_TLS_DESC = 0x0d, + R_ARM_THM_SWI8 = 0x0e, + R_ARM_XPC25 = 0x0f, + R_ARM_THM_XPC22 = 0x10, + R_ARM_TLS_DTPMOD32 = 0x11, + R_ARM_TLS_DTPOFF32 = 0x12, + R_ARM_TLS_TPOFF32 = 0x13, + R_ARM_COPY = 0x14, + R_ARM_GLOB_DAT = 0x15, + R_ARM_JUMP_SLOT = 0x16, + R_ARM_RELATIVE = 0x17, + R_ARM_GOTOFF32 = 0x18, + R_ARM_BASE_PREL = 0x19, + R_ARM_GOT_BREL = 0x1a, + R_ARM_PLT32 = 0x1b, + R_ARM_CALL = 0x1c, + R_ARM_JUMP24 = 0x1d, + R_ARM_THM_JUMP24 = 0x1e, + R_ARM_BASE_ABS = 0x1f, + R_ARM_ALU_PCREL_7_0 = 0x20, + R_ARM_ALU_PCREL_15_8 = 0x21, + R_ARM_ALU_PCREL_23_15 = 0x22, + R_ARM_LDR_SBREL_11_0_NC = 0x23, + R_ARM_ALU_SBREL_19_12_NC = 0x24, + R_ARM_ALU_SBREL_27_20_CK = 0x25, + R_ARM_TARGET1 = 0x26, + R_ARM_SBREL31 = 0x27, + R_ARM_V4BX = 0x28, + R_ARM_TARGET2 = 0x29, + R_ARM_PREL31 = 0x2a, + R_ARM_MOVW_ABS_NC = 0x2b, + R_ARM_MOVT_ABS = 0x2c, + R_ARM_MOVW_PREL_NC = 0x2d, + R_ARM_MOVT_PREL = 0x2e, + R_ARM_THM_MOVW_ABS_NC = 0x2f, + R_ARM_THM_MOVT_ABS = 0x30, + R_ARM_THM_MOVW_PREL_NC = 0x31, + R_ARM_THM_MOVT_PREL = 0x32, + R_ARM_THM_JUMP19 = 0x33, + R_ARM_THM_JUMP6 = 0x34, + R_ARM_THM_ALU_PREL_11_0 = 0x35, + R_ARM_THM_PC12 = 0x36, + R_ARM_ABS32_NOI = 0x37, + R_ARM_REL32_NOI = 0x38, + R_ARM_ALU_PC_G0_NC = 0x39, + R_ARM_ALU_PC_G0 = 0x3a, + R_ARM_ALU_PC_G1_NC = 0x3b, + R_ARM_ALU_PC_G1 = 0x3c, + R_ARM_ALU_PC_G2 = 0x3d, + R_ARM_LDR_PC_G1 = 0x3e, + R_ARM_LDR_PC_G2 = 0x3f, + R_ARM_LDRS_PC_G0 = 0x40, + R_ARM_LDRS_PC_G1 = 0x41, + R_ARM_LDRS_PC_G2 = 0x42, + R_ARM_LDC_PC_G0 = 0x43, + R_ARM_LDC_PC_G1 = 0x44, + R_ARM_LDC_PC_G2 = 0x45, + R_ARM_ALU_SB_G0_NC = 0x46, + R_ARM_ALU_SB_G0 = 0x47, + R_ARM_ALU_SB_G1_NC = 0x48, + R_ARM_ALU_SB_G1 = 0x49, + R_ARM_ALU_SB_G2 = 0x4a, + R_ARM_LDR_SB_G0 = 0x4b, + R_ARM_LDR_SB_G1 = 0x4c, + R_ARM_LDR_SB_G2 = 0x4d, + R_ARM_LDRS_SB_G0 = 0x4e, + R_ARM_LDRS_SB_G1 = 0x4f, + R_ARM_LDRS_SB_G2 = 0x50, + R_ARM_LDC_SB_G0 = 0x51, + R_ARM_LDC_SB_G1 = 0x52, + R_ARM_LDC_SB_G2 = 0x53, + R_ARM_MOVW_BREL_NC = 0x54, + R_ARM_MOVT_BREL = 0x55, + R_ARM_MOVW_BREL = 0x56, + R_ARM_THM_MOVW_BREL_NC = 0x57, + R_ARM_THM_MOVT_BREL = 0x58, + R_ARM_THM_MOVW_BREL = 0x59, + R_ARM_TLS_GOTDESC = 0x5a, + R_ARM_TLS_CALL = 0x5b, + R_ARM_TLS_DESCSEQ = 0x5c, + R_ARM_THM_TLS_CALL = 0x5d, + R_ARM_PLT32_ABS = 0x5e, + R_ARM_GOT_ABS = 0x5f, + R_ARM_GOT_PREL = 0x60, + R_ARM_GOT_BREL12 = 0x61, + R_ARM_GOTOFF12 = 0x62, + R_ARM_GOTRELAX = 0x63, + R_ARM_GNU_VTENTRY = 0x64, + R_ARM_GNU_VTINHERIT = 0x65, + R_ARM_THM_JUMP11 = 0x66, + R_ARM_THM_JUMP8 = 0x67, + R_ARM_TLS_GD32 = 0x68, + R_ARM_TLS_LDM32 = 0x69, + R_ARM_TLS_LDO32 = 0x6a, + R_ARM_TLS_IE32 = 0x6b, + R_ARM_TLS_LE32 = 0x6c, + R_ARM_TLS_LDO12 = 0x6d, + R_ARM_TLS_LE12 = 0x6e, + R_ARM_TLS_IE12GP = 0x6f, + R_ARM_PRIVATE_0 = 0x70, + R_ARM_PRIVATE_1 = 0x71, + R_ARM_PRIVATE_2 = 0x72, + R_ARM_PRIVATE_3 = 0x73, + R_ARM_PRIVATE_4 = 0x74, + R_ARM_PRIVATE_5 = 0x75, + R_ARM_PRIVATE_6 = 0x76, + R_ARM_PRIVATE_7 = 0x77, + R_ARM_PRIVATE_8 = 0x78, + R_ARM_PRIVATE_9 = 0x79, + R_ARM_PRIVATE_10 = 0x7a, + R_ARM_PRIVATE_11 = 0x7b, + R_ARM_PRIVATE_12 = 0x7c, + R_ARM_PRIVATE_13 = 0x7d, + R_ARM_PRIVATE_14 = 0x7e, + R_ARM_PRIVATE_15 = 0x7f, + R_ARM_ME_TOO = 0x80, + R_ARM_THM_TLS_DESCSEQ16 = 0x81, + R_ARM_THM_TLS_DESCSEQ32 = 0x82 +}; + +// Mips Specific e_flags +enum : unsigned { + EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions + EF_MIPS_PIC = 0x00000002, // Position independent code + EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code + EF_MIPS_ABI2 = 0x00000020, + EF_MIPS_32BITMODE = 0x00000100, + EF_MIPS_NAN2008 = 0x00000400, // Uses IEE 754-2008 NaN encoding + EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI + + //ARCH_ASE + EF_MIPS_MICROMIPS = 0x02000000, // microMIPS + EF_MIPS_ARCH_ASE_M16 = + 0x04000000, // Has Mips-16 ISA extensions + //ARCH + EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set + EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set + EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set + EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set + EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set + EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h + EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h + EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2 + EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2 + EF_MIPS_ARCH_32R6 = 0x90000000, // mips32r6 + EF_MIPS_ARCH_64R6 = 0xa0000000, // mips64r6 + EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant +}; + +// ELF Relocation types for Mips +enum { + R_MIPS_NONE = 0, + R_MIPS_16 = 1, + R_MIPS_32 = 2, + R_MIPS_REL32 = 3, + R_MIPS_26 = 4, + R_MIPS_HI16 = 5, + R_MIPS_LO16 = 6, + R_MIPS_GPREL16 = 7, + R_MIPS_LITERAL = 8, + R_MIPS_GOT16 = 9, + R_MIPS_PC16 = 10, + R_MIPS_CALL16 = 11, + R_MIPS_GPREL32 = 12, + R_MIPS_UNUSED1 = 13, + R_MIPS_UNUSED2 = 14, + R_MIPS_SHIFT5 = 16, + R_MIPS_SHIFT6 = 17, + R_MIPS_64 = 18, + R_MIPS_GOT_DISP = 19, + R_MIPS_GOT_PAGE = 20, + R_MIPS_GOT_OFST = 21, + R_MIPS_GOT_HI16 = 22, + R_MIPS_GOT_LO16 = 23, + R_MIPS_SUB = 24, + R_MIPS_INSERT_A = 25, + R_MIPS_INSERT_B = 26, + R_MIPS_DELETE = 27, + R_MIPS_HIGHER = 28, + R_MIPS_HIGHEST = 29, + R_MIPS_CALL_HI16 = 30, + R_MIPS_CALL_LO16 = 31, + R_MIPS_SCN_DISP = 32, + R_MIPS_REL16 = 33, + R_MIPS_ADD_IMMEDIATE = 34, + R_MIPS_PJUMP = 35, + R_MIPS_RELGOT = 36, + R_MIPS_JALR = 37, + R_MIPS_TLS_DTPMOD32 = 38, + R_MIPS_TLS_DTPREL32 = 39, + R_MIPS_TLS_DTPMOD64 = 40, + R_MIPS_TLS_DTPREL64 = 41, + R_MIPS_TLS_GD = 42, + R_MIPS_TLS_LDM = 43, + R_MIPS_TLS_DTPREL_HI16 = 44, + R_MIPS_TLS_DTPREL_LO16 = 45, + R_MIPS_TLS_GOTTPREL = 46, + R_MIPS_TLS_TPREL32 = 47, + R_MIPS_TLS_TPREL64 = 48, + R_MIPS_TLS_TPREL_HI16 = 49, + R_MIPS_TLS_TPREL_LO16 = 50, + R_MIPS_GLOB_DAT = 51, + R_MIPS_PC21_S2 = 60, + R_MIPS_PC26_S2 = 61, + R_MIPS_PC18_S3 = 62, + R_MIPS_PC19_S2 = 63, + R_MIPS_PCHI16 = 64, + R_MIPS_PCLO16 = 65, + R_MIPS16_GOT16 = 102, + R_MIPS16_HI16 = 104, + R_MIPS16_LO16 = 105, + R_MIPS_COPY = 126, + R_MIPS_JUMP_SLOT = 127, + R_MICROMIPS_26_S1 = 133, + R_MICROMIPS_HI16 = 134, + R_MICROMIPS_LO16 = 135, + R_MICROMIPS_GOT16 = 138, + R_MICROMIPS_PC16_S1 = 141, + R_MICROMIPS_CALL16 = 142, + R_MICROMIPS_GOT_DISP = 145, + R_MICROMIPS_GOT_PAGE = 146, + R_MICROMIPS_GOT_OFST = 147, + R_MICROMIPS_TLS_GD = 162, + R_MICROMIPS_TLS_LDM = 163, + R_MICROMIPS_TLS_DTPREL_HI16 = 164, + R_MICROMIPS_TLS_DTPREL_LO16 = 165, + R_MICROMIPS_TLS_TPREL_HI16 = 169, + R_MICROMIPS_TLS_TPREL_LO16 = 170, + R_MIPS_NUM = 218, + R_MIPS_PC32 = 248 +}; + +// Special values for the st_other field in the symbol table entry for MIPS. +enum { + STO_MIPS_OPTIONAL = 0x04, // Symbol whose definition is optional + STO_MIPS_PLT = 0x08, // PLT entry related dynamic table record + STO_MIPS_PIC = 0x20, // PIC func in an object mixes PIC/non-PIC + STO_MIPS_MICROMIPS = 0x80, // MIPS Specific ISA for MicroMips + STO_MIPS_MIPS16 = 0xf0 // MIPS Specific ISA for Mips16 +}; + +// Hexagon Specific e_flags +// Release 5 ABI +enum { + // Object processor version flags, bits[3:0] + EF_HEXAGON_MACH_V2 = 0x00000001, // Hexagon V2 + EF_HEXAGON_MACH_V3 = 0x00000002, // Hexagon V3 + EF_HEXAGON_MACH_V4 = 0x00000003, // Hexagon V4 + EF_HEXAGON_MACH_V5 = 0x00000004, // Hexagon V5 + + // Highest ISA version flags + EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[3:0] + // of e_flags + EF_HEXAGON_ISA_V2 = 0x00000010, // Hexagon V2 ISA + EF_HEXAGON_ISA_V3 = 0x00000020, // Hexagon V3 ISA + EF_HEXAGON_ISA_V4 = 0x00000030, // Hexagon V4 ISA + EF_HEXAGON_ISA_V5 = 0x00000040 // Hexagon V5 ISA +}; + +// Hexagon specific Section indexes for common small data +// Release 5 ABI +enum { + SHN_HEXAGON_SCOMMON = 0xff00, // Other access sizes + SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access + SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access + SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access + SHN_HEXAGON_SCOMMON_8 = 0xff04 // Double-word-size access +}; + +// ELF Relocation types for Hexagon +// Release 5 ABI +enum { + R_HEX_NONE = 0, + R_HEX_B22_PCREL = 1, + R_HEX_B15_PCREL = 2, + R_HEX_B7_PCREL = 3, + R_HEX_LO16 = 4, + R_HEX_HI16 = 5, + R_HEX_32 = 6, + R_HEX_16 = 7, + R_HEX_8 = 8, + R_HEX_GPREL16_0 = 9, + R_HEX_GPREL16_1 = 10, + R_HEX_GPREL16_2 = 11, + R_HEX_GPREL16_3 = 12, + R_HEX_HL16 = 13, + R_HEX_B13_PCREL = 14, + R_HEX_B9_PCREL = 15, + R_HEX_B32_PCREL_X = 16, + R_HEX_32_6_X = 17, + R_HEX_B22_PCREL_X = 18, + R_HEX_B15_PCREL_X = 19, + R_HEX_B13_PCREL_X = 20, + R_HEX_B9_PCREL_X = 21, + R_HEX_B7_PCREL_X = 22, + R_HEX_16_X = 23, + R_HEX_12_X = 24, + R_HEX_11_X = 25, + R_HEX_10_X = 26, + R_HEX_9_X = 27, + R_HEX_8_X = 28, + R_HEX_7_X = 29, + R_HEX_6_X = 30, + R_HEX_32_PCREL = 31, + R_HEX_COPY = 32, + R_HEX_GLOB_DAT = 33, + R_HEX_JMP_SLOT = 34, + R_HEX_RELATIVE = 35, + R_HEX_PLT_B22_PCREL = 36, + R_HEX_GOTREL_LO16 = 37, + R_HEX_GOTREL_HI16 = 38, + R_HEX_GOTREL_32 = 39, + R_HEX_GOT_LO16 = 40, + R_HEX_GOT_HI16 = 41, + R_HEX_GOT_32 = 42, + R_HEX_GOT_16 = 43, + R_HEX_DTPMOD_32 = 44, + R_HEX_DTPREL_LO16 = 45, + R_HEX_DTPREL_HI16 = 46, + R_HEX_DTPREL_32 = 47, + R_HEX_DTPREL_16 = 48, + R_HEX_GD_PLT_B22_PCREL = 49, + R_HEX_GD_GOT_LO16 = 50, + R_HEX_GD_GOT_HI16 = 51, + R_HEX_GD_GOT_32 = 52, + R_HEX_GD_GOT_16 = 53, + R_HEX_IE_LO16 = 54, + R_HEX_IE_HI16 = 55, + R_HEX_IE_32 = 56, + R_HEX_IE_GOT_LO16 = 57, + R_HEX_IE_GOT_HI16 = 58, + R_HEX_IE_GOT_32 = 59, + R_HEX_IE_GOT_16 = 60, + R_HEX_TPREL_LO16 = 61, + R_HEX_TPREL_HI16 = 62, + R_HEX_TPREL_32 = 63, + R_HEX_TPREL_16 = 64, + R_HEX_6_PCREL_X = 65, + R_HEX_GOTREL_32_6_X = 66, + R_HEX_GOTREL_16_X = 67, + R_HEX_GOTREL_11_X = 68, + R_HEX_GOT_32_6_X = 69, + R_HEX_GOT_16_X = 70, + R_HEX_GOT_11_X = 71, + R_HEX_DTPREL_32_6_X = 72, + R_HEX_DTPREL_16_X = 73, + R_HEX_DTPREL_11_X = 74, + R_HEX_GD_GOT_32_6_X = 75, + R_HEX_GD_GOT_16_X = 76, + R_HEX_GD_GOT_11_X = 77, + R_HEX_IE_32_6_X = 78, + R_HEX_IE_16_X = 79, + R_HEX_IE_GOT_32_6_X = 80, + R_HEX_IE_GOT_16_X = 81, + R_HEX_IE_GOT_11_X = 82, + R_HEX_TPREL_32_6_X = 83, + R_HEX_TPREL_16_X = 84, + R_HEX_TPREL_11_X = 85 +}; + +// ELF Relocation types for S390/zSeries +enum { + R_390_NONE = 0, + R_390_8 = 1, + R_390_12 = 2, + R_390_16 = 3, + R_390_32 = 4, + R_390_PC32 = 5, + R_390_GOT12 = 6, + R_390_GOT32 = 7, + R_390_PLT32 = 8, + R_390_COPY = 9, + R_390_GLOB_DAT = 10, + R_390_JMP_SLOT = 11, + R_390_RELATIVE = 12, + R_390_GOTOFF = 13, + R_390_GOTPC = 14, + R_390_GOT16 = 15, + R_390_PC16 = 16, + R_390_PC16DBL = 17, + R_390_PLT16DBL = 18, + R_390_PC32DBL = 19, + R_390_PLT32DBL = 20, + R_390_GOTPCDBL = 21, + R_390_64 = 22, + R_390_PC64 = 23, + R_390_GOT64 = 24, + R_390_PLT64 = 25, + R_390_GOTENT = 26, + R_390_GOTOFF16 = 27, + R_390_GOTOFF64 = 28, + R_390_GOTPLT12 = 29, + R_390_GOTPLT16 = 30, + R_390_GOTPLT32 = 31, + R_390_GOTPLT64 = 32, + R_390_GOTPLTENT = 33, + R_390_PLTOFF16 = 34, + R_390_PLTOFF32 = 35, + R_390_PLTOFF64 = 36, + R_390_TLS_LOAD = 37, + R_390_TLS_GDCALL = 38, + R_390_TLS_LDCALL = 39, + R_390_TLS_GD32 = 40, + R_390_TLS_GD64 = 41, + R_390_TLS_GOTIE12 = 42, + R_390_TLS_GOTIE32 = 43, + R_390_TLS_GOTIE64 = 44, + R_390_TLS_LDM32 = 45, + R_390_TLS_LDM64 = 46, + R_390_TLS_IE32 = 47, + R_390_TLS_IE64 = 48, + R_390_TLS_IEENT = 49, + R_390_TLS_LE32 = 50, + R_390_TLS_LE64 = 51, + R_390_TLS_LDO32 = 52, + R_390_TLS_LDO64 = 53, + R_390_TLS_DTPMOD = 54, + R_390_TLS_DTPOFF = 55, + R_390_TLS_TPOFF = 56, + R_390_20 = 57, + R_390_GOT20 = 58, + R_390_GOTPLT20 = 59, + R_390_TLS_GOTIE20 = 60, + R_390_IRELATIVE = 61 +}; + +// ELF Relocation type for Sparc. +enum { + R_SPARC_NONE = 0, + R_SPARC_8 = 1, + R_SPARC_16 = 2, + R_SPARC_32 = 3, + R_SPARC_DISP8 = 4, + R_SPARC_DISP16 = 5, + R_SPARC_DISP32 = 6, + R_SPARC_WDISP30 = 7, + R_SPARC_WDISP22 = 8, + R_SPARC_HI22 = 9, + R_SPARC_22 = 10, + R_SPARC_13 = 11, + R_SPARC_LO10 = 12, + R_SPARC_GOT10 = 13, + R_SPARC_GOT13 = 14, + R_SPARC_GOT22 = 15, + R_SPARC_PC10 = 16, + R_SPARC_PC22 = 17, + R_SPARC_WPLT30 = 18, + R_SPARC_COPY = 19, + R_SPARC_GLOB_DAT = 20, + R_SPARC_JMP_SLOT = 21, + R_SPARC_RELATIVE = 22, + R_SPARC_UA32 = 23, + R_SPARC_PLT32 = 24, + R_SPARC_HIPLT22 = 25, + R_SPARC_LOPLT10 = 26, + R_SPARC_PCPLT32 = 27, + R_SPARC_PCPLT22 = 28, + R_SPARC_PCPLT10 = 29, + R_SPARC_10 = 30, + R_SPARC_11 = 31, + R_SPARC_64 = 32, + R_SPARC_OLO10 = 33, + R_SPARC_HH22 = 34, + R_SPARC_HM10 = 35, + R_SPARC_LM22 = 36, + R_SPARC_PC_HH22 = 37, + R_SPARC_PC_HM10 = 38, + R_SPARC_PC_LM22 = 39, + R_SPARC_WDISP16 = 40, + R_SPARC_WDISP19 = 41, + R_SPARC_7 = 43, + R_SPARC_5 = 44, + R_SPARC_6 = 45, + R_SPARC_DISP64 = 46, + R_SPARC_PLT64 = 47, + R_SPARC_HIX22 = 48, + R_SPARC_LOX10 = 49, + R_SPARC_H44 = 50, + R_SPARC_M44 = 51, + R_SPARC_L44 = 52, + R_SPARC_REGISTER = 53, + R_SPARC_UA64 = 54, + R_SPARC_UA16 = 55, + R_SPARC_TLS_GD_HI22 = 56, + R_SPARC_TLS_GD_LO10 = 57, + R_SPARC_TLS_GD_ADD = 58, + R_SPARC_TLS_GD_CALL = 59, + R_SPARC_TLS_LDM_HI22 = 60, + R_SPARC_TLS_LDM_LO10 = 61, + R_SPARC_TLS_LDM_ADD = 62, + R_SPARC_TLS_LDM_CALL = 63, + R_SPARC_TLS_LDO_HIX22 = 64, + R_SPARC_TLS_LDO_LOX10 = 65, + R_SPARC_TLS_LDO_ADD = 66, + R_SPARC_TLS_IE_HI22 = 67, + R_SPARC_TLS_IE_LO10 = 68, + R_SPARC_TLS_IE_LD = 69, + R_SPARC_TLS_IE_LDX = 70, + R_SPARC_TLS_IE_ADD = 71, + R_SPARC_TLS_LE_HIX22 = 72, + R_SPARC_TLS_LE_LOX10 = 73, + R_SPARC_TLS_DTPMOD32 = 74, + R_SPARC_TLS_DTPMOD64 = 75, + R_SPARC_TLS_DTPOFF32 = 76, + R_SPARC_TLS_DTPOFF64 = 77, + R_SPARC_TLS_TPOFF32 = 78, + R_SPARC_TLS_TPOFF64 = 79, + R_SPARC_GOTDATA_HIX22 = 80, + R_SPARC_GOTDATA_LOX22 = 81, + R_SPARC_GOTDATA_OP_HIX22 = 82, + R_SPARC_GOTDATA_OP_LOX22 = 83, + R_SPARC_GOTDATA_OP = 84 +}; + +// Section header. +struct Elf32_Shdr { + Elf32_Word sh_name; // Section name (index into string table) + Elf32_Word sh_type; // Section type (SHT_*) + Elf32_Word sh_flags; // Section flags (SHF_*) + Elf32_Addr sh_addr; // Address where section is to be loaded + Elf32_Off sh_offset; // File offset of section data, in bytes + Elf32_Word sh_size; // Size of section, in bytes + Elf32_Word sh_link; // Section type-specific header table index link + Elf32_Word sh_info; // Section type-specific extra information + Elf32_Word sh_addralign; // Section address alignment + Elf32_Word sh_entsize; // Size of records contained within the section +}; + +// Section header for ELF64 - same fields as ELF32, different types. +struct Elf64_Shdr { + Elf64_Word sh_name; + Elf64_Word sh_type; + Elf64_Xword sh_flags; + Elf64_Addr sh_addr; + Elf64_Off sh_offset; + Elf64_Xword sh_size; + Elf64_Word sh_link; + Elf64_Word sh_info; + Elf64_Xword sh_addralign; + Elf64_Xword sh_entsize; +}; + +// Special section indices. +enum { + SHN_UNDEF = 0, // Undefined, missing, irrelevant, or meaningless + SHN_LORESERVE = 0xff00, // Lowest reserved index + SHN_LOPROC = 0xff00, // Lowest processor-specific index + SHN_HIPROC = 0xff1f, // Highest processor-specific index + SHN_LOOS = 0xff20, // Lowest operating system-specific index + SHN_HIOS = 0xff3f, // Highest operating system-specific index + SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation + SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables + SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE + SHN_HIRESERVE = 0xffff // Highest reserved index +}; + +// Section types. +enum : unsigned { + SHT_NULL = 0, // No associated section (inactive entry). + SHT_PROGBITS = 1, // Program-defined contents. + SHT_SYMTAB = 2, // Symbol table. + SHT_STRTAB = 3, // String table. + SHT_RELA = 4, // Relocation entries; explicit addends. + SHT_HASH = 5, // Symbol hash table. + SHT_DYNAMIC = 6, // Information for dynamic linking. + SHT_NOTE = 7, // Information about the file. + SHT_NOBITS = 8, // Data occupies no space in the file. + SHT_REL = 9, // Relocation entries; no explicit addends. + SHT_SHLIB = 10, // Reserved. + SHT_DYNSYM = 11, // Symbol table. + SHT_INIT_ARRAY = 14, // Pointers to initialization functions. + SHT_FINI_ARRAY = 15, // Pointers to termination functions. + SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions. + SHT_GROUP = 17, // Section group. + SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries. + SHT_LOOS = 0x60000000, // Lowest operating system-specific type. + SHT_GNU_ATTRIBUTES= 0x6ffffff5, // Object attributes. + SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table. + SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions. + SHT_GNU_verneed = 0x6ffffffe, // GNU version references. + SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table. + SHT_HIOS = 0x6fffffff, // Highest operating system-specific type. + SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type. + // Fixme: All this is duplicated in MCSectionELF. Why?? + // Exception Index table + SHT_ARM_EXIDX = 0x70000001U, + // BPABI DLL dynamic linking pre-emption map + SHT_ARM_PREEMPTMAP = 0x70000002U, + // Object file compatibility attributes + SHT_ARM_ATTRIBUTES = 0x70000003U, + SHT_ARM_DEBUGOVERLAY = 0x70000004U, + SHT_ARM_OVERLAYSECTION = 0x70000005U, + SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in + // this section based on their sizes + SHT_X86_64_UNWIND = 0x70000001, // Unwind information + + SHT_MIPS_REGINFO = 0x70000006, // Register usage information + SHT_MIPS_OPTIONS = 0x7000000d, // General options + + SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type. + SHT_LOUSER = 0x80000000, // Lowest type reserved for applications. + SHT_HIUSER = 0xffffffff // Highest type reserved for applications. +}; + +// Section flags. +enum : unsigned { + // Section data should be writable during execution. + SHF_WRITE = 0x1, + + // Section occupies memory during program execution. + SHF_ALLOC = 0x2, + + // Section contains executable machine instructions. + SHF_EXECINSTR = 0x4, + + // The data in this section may be merged. + SHF_MERGE = 0x10, + + // The data in this section is null-terminated strings. + SHF_STRINGS = 0x20, + + // A field in this section holds a section header table index. + SHF_INFO_LINK = 0x40U, + + // Adds special ordering requirements for link editors. + SHF_LINK_ORDER = 0x80U, + + // This section requires special OS-specific processing to avoid incorrect + // behavior. + SHF_OS_NONCONFORMING = 0x100U, + + // This section is a member of a section group. + SHF_GROUP = 0x200U, + + // This section holds Thread-Local Storage. + SHF_TLS = 0x400U, + + // This section is excluded from the final executable or shared library. + SHF_EXCLUDE = 0x80000000U, + + // Start of target-specific flags. + + /// XCORE_SHF_CP_SECTION - All sections with the "c" flag are grouped + /// together by the linker to form the constant pool and the cp register is + /// set to the start of the constant pool by the boot code. + XCORE_SHF_CP_SECTION = 0x800U, + + /// XCORE_SHF_DP_SECTION - All sections with the "d" flag are grouped + /// together by the linker to form the data section and the dp register is + /// set to the start of the section by the boot code. + XCORE_SHF_DP_SECTION = 0x1000U, + + SHF_MASKOS = 0x0ff00000, + + // Bits indicating processor-specific flags. + SHF_MASKPROC = 0xf0000000, + + // If an object file section does not have this flag set, then it may not hold + // more than 2GB and can be freely referred to in objects using smaller code + // models. Otherwise, only objects using larger code models can refer to them. + // For example, a medium code model object can refer to data in a section that + // sets this flag besides being able to refer to data in a section that does + // not set it; likewise, a small code model object can refer only to code in a + // section that does not set this flag. + SHF_X86_64_LARGE = 0x10000000, + + // All sections with the GPREL flag are grouped into a global data area + // for faster accesses + SHF_HEX_GPREL = 0x10000000, + + // Section contains text/data which may be replicated in other sections. + // Linker must retain only one copy. + SHF_MIPS_NODUPES = 0x01000000, + + // Linker must generate implicit hidden weak names. + SHF_MIPS_NAMES = 0x02000000, + + // Section data local to process. + SHF_MIPS_LOCAL = 0x04000000, + + // Do not strip this section. + SHF_MIPS_NOSTRIP = 0x08000000, + + // Section must be part of global data area. + SHF_MIPS_GPREL = 0x10000000, + + // This section should be merged. + SHF_MIPS_MERGE = 0x20000000, + + // Address size to be inferred from section entry size. + SHF_MIPS_ADDR = 0x40000000, + + // Section data is string data by default. + SHF_MIPS_STRING = 0x80000000 +}; + +// Section Group Flags +enum : unsigned { + GRP_COMDAT = 0x1, + GRP_MASKOS = 0x0ff00000, + GRP_MASKPROC = 0xf0000000 +}; + +// Symbol table entries for ELF32. +struct Elf32_Sym { + Elf32_Word st_name; // Symbol name (index into string table) + Elf32_Addr st_value; // Value or address associated with the symbol + Elf32_Word st_size; // Size of the symbol + unsigned char st_info; // Symbol's type and binding attributes + unsigned char st_other; // Must be zero; reserved + Elf32_Half st_shndx; // Which section (header table index) it's defined in + + // These accessors and mutators correspond to the ELF32_ST_BIND, + // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification: + unsigned char getBinding() const { return st_info >> 4; } + unsigned char getType() const { return st_info & 0x0f; } + void setBinding(unsigned char b) { setBindingAndType(b, getType()); } + void setType(unsigned char t) { setBindingAndType(getBinding(), t); } + void setBindingAndType(unsigned char b, unsigned char t) { + st_info = (b << 4) + (t & 0x0f); + } +}; + +// BEGIN android-added for <elf.h> compat +static inline unsigned char ELF32_ST_TYPE(unsigned char st_info) { return st_info & 0x0f; } +// END android-added for <elf.h> compat + +// Symbol table entries for ELF64. +struct Elf64_Sym { + Elf64_Word st_name; // Symbol name (index into string table) + unsigned char st_info; // Symbol's type and binding attributes + unsigned char st_other; // Must be zero; reserved + Elf64_Half st_shndx; // Which section (header tbl index) it's defined in + Elf64_Addr st_value; // Value or address associated with the symbol + Elf64_Xword st_size; // Size of the symbol + + // These accessors and mutators are identical to those defined for ELF32 + // symbol table entries. + unsigned char getBinding() const { return st_info >> 4; } + unsigned char getType() const { return st_info & 0x0f; } + void setBinding(unsigned char b) { setBindingAndType(b, getType()); } + void setType(unsigned char t) { setBindingAndType(getBinding(), t); } + void setBindingAndType(unsigned char b, unsigned char t) { + st_info = (b << 4) + (t & 0x0f); + } +}; + +// The size (in bytes) of symbol table entries. +enum { + SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size + SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size. +}; + +// Symbol bindings. +enum { + STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def + STB_GLOBAL = 1, // Global symbol, visible to all object files being combined + STB_WEAK = 2, // Weak symbol, like global but lower-precedence + STB_LOOS = 10, // Lowest operating system-specific binding type + STB_HIOS = 12, // Highest operating system-specific binding type + STB_LOPROC = 13, // Lowest processor-specific binding type + STB_HIPROC = 15 // Highest processor-specific binding type +}; + +// Symbol types. +enum { + STT_NOTYPE = 0, // Symbol's type is not specified + STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.) + STT_FUNC = 2, // Symbol is executable code (function, etc.) + STT_SECTION = 3, // Symbol refers to a section + STT_FILE = 4, // Local, absolute symbol that refers to a file + STT_COMMON = 5, // An uninitialized common block + STT_TLS = 6, // Thread local data object + STT_LOOS = 7, // Lowest operating system-specific symbol type + STT_HIOS = 8, // Highest operating system-specific symbol type + STT_GNU_IFUNC = 10, // GNU indirect function + STT_LOPROC = 13, // Lowest processor-specific symbol type + STT_HIPROC = 15 // Highest processor-specific symbol type +}; + +enum { + STV_DEFAULT = 0, // Visibility is specified by binding type + STV_INTERNAL = 1, // Defined by processor supplements + STV_HIDDEN = 2, // Not visible to other components + STV_PROTECTED = 3 // Visible in other components but not preemptable +}; + +// Symbol number. +enum { + STN_UNDEF = 0 +}; + +// Relocation entry, without explicit addend. +struct Elf32_Rel { + Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr) + Elf32_Word r_info; // Symbol table index and type of relocation to apply + + // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, + // and ELF32_R_INFO macros defined in the ELF specification: + Elf32_Word getSymbol() const { return (r_info >> 8); } + unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } + void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } + void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } + void setSymbolAndType(Elf32_Word s, unsigned char t) { + r_info = (s << 8) + t; + } +}; + +// Relocation entry with explicit addend. +struct Elf32_Rela { + Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr) + Elf32_Word r_info; // Symbol table index and type of relocation to apply + Elf32_Sword r_addend; // Compute value for relocatable field by adding this + + // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, + // and ELF32_R_INFO macros defined in the ELF specification: + Elf32_Word getSymbol() const { return (r_info >> 8); } + unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } + void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } + void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } + void setSymbolAndType(Elf32_Word s, unsigned char t) { + r_info = (s << 8) + t; + } +}; + +// Relocation entry, without explicit addend. +struct Elf64_Rel { + Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr). + Elf64_Xword r_info; // Symbol table index and type of relocation to apply. + + // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, + // and ELF64_R_INFO macros defined in the ELF specification: + Elf64_Word getSymbol() const { return (r_info >> 32); } + Elf64_Word getType() const { + return (Elf64_Word) (r_info & 0xffffffffL); + } + void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); } + void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); } + void setSymbolAndType(Elf64_Word s, Elf64_Word t) { + r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL); + } +}; + +// Relocation entry with explicit addend. +struct Elf64_Rela { + Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr). + Elf64_Xword r_info; // Symbol table index and type of relocation to apply. + Elf64_Sxword r_addend; // Compute value for relocatable field by adding this. + + // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, + // and ELF64_R_INFO macros defined in the ELF specification: + Elf64_Word getSymbol() const { return (r_info >> 32); } + Elf64_Word getType() const { + return (Elf64_Word) (r_info & 0xffffffffL); + } + void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); } + void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); } + void setSymbolAndType(Elf64_Word s, Elf64_Word t) { + r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL); + } +}; + +// Program header for ELF32. +struct Elf32_Phdr { + Elf32_Word p_type; // Type of segment + Elf32_Off p_offset; // File offset where segment is located, in bytes + Elf32_Addr p_vaddr; // Virtual address of beginning of segment + Elf32_Addr p_paddr; // Physical address of beginning of segment (OS-specific) + Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero) + Elf32_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) + Elf32_Word p_flags; // Segment flags + Elf32_Word p_align; // Segment alignment constraint +}; + +// Program header for ELF64. +struct Elf64_Phdr { + Elf64_Word p_type; // Type of segment + Elf64_Word p_flags; // Segment flags + Elf64_Off p_offset; // File offset where segment is located, in bytes + Elf64_Addr p_vaddr; // Virtual address of beginning of segment + Elf64_Addr p_paddr; // Physical addr of beginning of segment (OS-specific) + Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero) + Elf64_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero) + Elf64_Xword p_align; // Segment alignment constraint +}; + +// Segment types. +enum { + PT_NULL = 0, // Unused segment. + PT_LOAD = 1, // Loadable segment. + PT_DYNAMIC = 2, // Dynamic linking information. + PT_INTERP = 3, // Interpreter pathname. + PT_NOTE = 4, // Auxiliary information. + PT_SHLIB = 5, // Reserved. + PT_PHDR = 6, // The program header table itself. + PT_TLS = 7, // The thread-local storage template. + PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type. + PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type. + PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type. + PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type. + + // x86-64 program header types. + // These all contain stack unwind tables. + PT_GNU_EH_FRAME = 0x6474e550, + PT_SUNW_EH_FRAME = 0x6474e550, + PT_SUNW_UNWIND = 0x6464e550, + + PT_GNU_STACK = 0x6474e551, // Indicates stack executability. + PT_GNU_RELRO = 0x6474e552, // Read-only after relocation. + + // ARM program header types. + PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info + // These all contain stack unwind tables. + PT_ARM_EXIDX = 0x70000001, + PT_ARM_UNWIND = 0x70000001, + + // MIPS program header types. + PT_MIPS_REGINFO = 0x70000000, // Register usage information. + PT_MIPS_RTPROC = 0x70000001, // Runtime procedure table. + PT_MIPS_OPTIONS = 0x70000002 // Options segment. +}; + +// Segment flag bits. +enum : unsigned { + PF_X = 1, // Execute + PF_W = 2, // Write + PF_R = 4, // Read + PF_MASKOS = 0x0ff00000,// Bits for operating system-specific semantics. + PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics. +}; + +// Dynamic table entry for ELF32. +struct Elf32_Dyn +{ + Elf32_Sword d_tag; // Type of dynamic table entry. + union + { + Elf32_Word d_val; // Integer value of entry. + Elf32_Addr d_ptr; // Pointer value of entry. + } d_un; +}; + +// Dynamic table entry for ELF64. +struct Elf64_Dyn +{ + Elf64_Sxword d_tag; // Type of dynamic table entry. + union + { + Elf64_Xword d_val; // Integer value of entry. + Elf64_Addr d_ptr; // Pointer value of entry. + } d_un; +}; + +// Dynamic table entry tags. +enum { + DT_NULL = 0, // Marks end of dynamic array. + DT_NEEDED = 1, // String table offset of needed library. + DT_PLTRELSZ = 2, // Size of relocation entries in PLT. + DT_PLTGOT = 3, // Address associated with linkage table. + DT_HASH = 4, // Address of symbolic hash table. + DT_STRTAB = 5, // Address of dynamic string table. + DT_SYMTAB = 6, // Address of dynamic symbol table. + DT_RELA = 7, // Address of relocation table (Rela entries). + DT_RELASZ = 8, // Size of Rela relocation table. + DT_RELAENT = 9, // Size of a Rela relocation entry. + DT_STRSZ = 10, // Total size of the string table. + DT_SYMENT = 11, // Size of a symbol table entry. + DT_INIT = 12, // Address of initialization function. + DT_FINI = 13, // Address of termination function. + DT_SONAME = 14, // String table offset of a shared objects name. + DT_RPATH = 15, // String table offset of library search path. + DT_SYMBOLIC = 16, // Changes symbol resolution algorithm. + DT_REL = 17, // Address of relocation table (Rel entries). + DT_RELSZ = 18, // Size of Rel relocation table. + DT_RELENT = 19, // Size of a Rel relocation entry. + DT_PLTREL = 20, // Type of relocation entry used for linking. + DT_DEBUG = 21, // Reserved for debugger. + DT_TEXTREL = 22, // Relocations exist for non-writable segments. + DT_JMPREL = 23, // Address of relocations associated with PLT. + DT_BIND_NOW = 24, // Process all relocations before execution. + DT_INIT_ARRAY = 25, // Pointer to array of initialization functions. + DT_FINI_ARRAY = 26, // Pointer to array of termination functions. + DT_INIT_ARRAYSZ = 27, // Size of DT_INIT_ARRAY. + DT_FINI_ARRAYSZ = 28, // Size of DT_FINI_ARRAY. + DT_RUNPATH = 29, // String table offset of lib search path. + DT_FLAGS = 30, // Flags. + DT_ENCODING = 32, // Values from here to DT_LOOS follow the rules + // for the interpretation of the d_un union. + + DT_PREINIT_ARRAY = 32, // Pointer to array of preinit functions. + DT_PREINIT_ARRAYSZ = 33, // Size of the DT_PREINIT_ARRAY array. + + DT_LOOS = 0x60000000, // Start of environment specific tags. + DT_HIOS = 0x6FFFFFFF, // End of environment specific tags. + DT_LOPROC = 0x70000000, // Start of processor specific tags. + DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags. + + DT_GNU_HASH = 0x6FFFFEF5, // Reference to the GNU hash table. + DT_RELACOUNT = 0x6FFFFFF9, // ELF32_Rela count. + DT_RELCOUNT = 0x6FFFFFFA, // ELF32_Rel count. + + DT_FLAGS_1 = 0X6FFFFFFB, // Flags_1. + DT_VERSYM = 0x6FFFFFF0, // The address of .gnu.version section. + DT_VERDEF = 0X6FFFFFFC, // The address of the version definition table. + DT_VERDEFNUM = 0X6FFFFFFD, // The number of entries in DT_VERDEF. + DT_VERNEED = 0X6FFFFFFE, // The address of the version Dependency table. + DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED. + + // Mips specific dynamic table entry tags. + DT_MIPS_RLD_VERSION = 0x70000001, // 32 bit version number for runtime + // linker interface. + DT_MIPS_TIME_STAMP = 0x70000002, // Time stamp. + DT_MIPS_ICHECKSUM = 0x70000003, // Checksum of external strings + // and common sizes. + DT_MIPS_IVERSION = 0x70000004, // Index of version string + // in string table. + DT_MIPS_FLAGS = 0x70000005, // 32 bits of flags. + DT_MIPS_BASE_ADDRESS = 0x70000006, // Base address of the segment. + DT_MIPS_MSYM = 0x70000007, // Address of .msym section. + DT_MIPS_CONFLICT = 0x70000008, // Address of .conflict section. + DT_MIPS_LIBLIST = 0x70000009, // Address of .liblist section. + DT_MIPS_LOCAL_GOTNO = 0x7000000a, // Number of local global offset + // table entries. + DT_MIPS_CONFLICTNO = 0x7000000b, // Number of entries + // in the .conflict section. + DT_MIPS_LIBLISTNO = 0x70000010, // Number of entries + // in the .liblist section. + DT_MIPS_SYMTABNO = 0x70000011, // Number of entries + // in the .dynsym section. + DT_MIPS_UNREFEXTNO = 0x70000012, // Index of first external dynamic symbol + // not referenced locally. + DT_MIPS_GOTSYM = 0x70000013, // Index of first dynamic symbol + // in global offset table. + DT_MIPS_HIPAGENO = 0x70000014, // Number of page table entries + // in global offset table. + DT_MIPS_RLD_MAP = 0x70000016, // Address of run time loader map, + // used for debugging. + DT_MIPS_DELTA_CLASS = 0x70000017, // Delta C++ class definition. + DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries + // in DT_MIPS_DELTA_CLASS. + DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances. + DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A, // Number of entries + // in DT_MIPS_DELTA_INSTANCE. + DT_MIPS_DELTA_RELOC = 0x7000001B, // Delta relocations. + DT_MIPS_DELTA_RELOC_NO = 0x7000001C, // Number of entries + // in DT_MIPS_DELTA_RELOC. + DT_MIPS_DELTA_SYM = 0x7000001D, // Delta symbols that Delta + // relocations refer to. + DT_MIPS_DELTA_SYM_NO = 0x7000001E, // Number of entries + // in DT_MIPS_DELTA_SYM. + DT_MIPS_DELTA_CLASSSYM = 0x70000020, // Delta symbols that hold + // class declarations. + DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, // Number of entries + // in DT_MIPS_DELTA_CLASSSYM. + DT_MIPS_CXX_FLAGS = 0x70000022, // Flags indicating information + // about C++ flavor. + DT_MIPS_PIXIE_INIT = 0x70000023, // Pixie information. + DT_MIPS_SYMBOL_LIB = 0x70000024, // Address of .MIPS.symlib + DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, // The GOT index of the first PTE + // for a segment + DT_MIPS_LOCAL_GOTIDX = 0x70000026, // The GOT index of the first PTE + // for a local symbol + DT_MIPS_HIDDEN_GOTIDX = 0x70000027, // The GOT index of the first PTE + // for a hidden symbol + DT_MIPS_PROTECTED_GOTIDX = 0x70000028, // The GOT index of the first PTE + // for a protected symbol + DT_MIPS_OPTIONS = 0x70000029, // Address of `.MIPS.options'. + DT_MIPS_INTERFACE = 0x7000002A, // Address of `.interface'. + DT_MIPS_DYNSTR_ALIGN = 0x7000002B, // Unknown. + DT_MIPS_INTERFACE_SIZE = 0x7000002C, // Size of the .interface section. + DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve + // function stored in the GOT. + DT_MIPS_PERF_SUFFIX = 0x7000002E, // Default suffix of DSO to be added + // by rld on dlopen() calls. + DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation + // section (O32). + DT_MIPS_GP_VALUE = 0x70000030, // GP value for auxiliary GOTs. + DT_MIPS_AUX_DYNAMIC = 0x70000031, // Address of auxiliary .dynamic. + DT_MIPS_PLTGOT = 0x70000032, // Address of the base of the PLTGOT. + DT_MIPS_RWPLT = 0x70000034 // Points to the base + // of a writable PLT. +}; + +// DT_FLAGS values. +enum { + DF_ORIGIN = 0x01, // The object may reference $ORIGIN. + DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe. + DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment. + DF_BIND_NOW = 0x08, // Process all relocations on load. + DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically. +}; + +// State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry. +enum { + DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object. + DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object. + DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object. + DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object. + DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime. + DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object. + DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object. + DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled. + DF_1_DIRECT = 0x00000100, // Direct binding enabled. + DF_1_TRANS = 0x00000200, + DF_1_INTERPOSE = 0x00000400, // Object is used to interpose. + DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path. + DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed. + DF_1_CONFALT = 0x00002000, // Configuration alternative created. + DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search. + DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time. + DF_1_DISPRELPND = 0x00010000 // Disp reloc applied at run-time. +}; + +// DT_MIPS_FLAGS values. +enum { + RHF_NONE = 0x00000000, // No flags. + RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers. + RHF_NOTPOT = 0x00000002, // Hash size is not a power of two. + RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH. + RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated. + RHF_SGI_ONLY = 0x00000010, // SGI specific features. + RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish + // executing before any non-init + // code in DSO is called. + RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code. + RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start + // executing before any non-init + // code in DSO is called. + RHF_PIXIE = 0x00000100, // Generated by pixie. + RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default. + RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted + RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted + RHF_CORD = 0x00001000, // Generated by cord. + RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved + // undef symbols. + RHF_RLD_ORDER_SAFE = 0x00004000 // Symbol table is in a safe order. +}; + +// ElfXX_VerDef structure version (GNU versioning) +enum { + VER_DEF_NONE = 0, + VER_DEF_CURRENT = 1 +}; + +// VerDef Flags (ElfXX_VerDef::vd_flags) +enum { + VER_FLG_BASE = 0x1, + VER_FLG_WEAK = 0x2, + VER_FLG_INFO = 0x4 +}; + +// Special constants for the version table. (SHT_GNU_versym/.gnu.version) +enum { + VER_NDX_LOCAL = 0, // Unversioned local symbol + VER_NDX_GLOBAL = 1, // Unversioned global symbol + VERSYM_VERSION = 0x7fff, // Version Index mask + VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version) +}; + +// ElfXX_VerNeed structure version (GNU versioning) +enum { + VER_NEED_NONE = 0, + VER_NEED_CURRENT = 1 +}; + +// BEGIN android-changed +#endif // ART_RUNTIME_ELF_H_ +// END android-changed diff --git a/runtime/elf_utils.h b/runtime/elf_utils.h index ce8587b..2c50047 100644 --- a/runtime/elf_utils.h +++ b/runtime/elf_utils.h @@ -19,8 +19,8 @@ #include <sys/cdefs.h> -// Explicitly include elf.h from elfutils to avoid Linux and other dependencies. -#include "../../external/elfutils/0.153/libelf/elf.h" +// Explicitly include our own elf.h to avoid Linux and other dependencies. +#include "./elf.h" // Architecture dependent flags for the ELF header. #define EF_ARM_EABI_VER5 0x05000000 |