X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FELF.h;h=3d49205fa168d50923b0b2df49ce7ee3d29de582;hb=0be06cf3609cdf6bdc8f769348f6ffcaba560eec;hp=052fc5135ff9e5630eb2731d05b158f9ae9a2208;hpb=2d70e263c2b508bf4641273dd89a23149f6f6164;p=oota-llvm.git diff --git a/include/llvm/Support/ELF.h b/include/llvm/Support/ELF.h index 052fc5135ff..3d49205fa16 100644 --- a/include/llvm/Support/ELF.h +++ b/include/llvm/Support/ELF.h @@ -20,6 +20,7 @@ #ifndef LLVM_SUPPORT_ELF_H #define LLVM_SUPPORT_ELF_H +#include "llvm/Support/Compiler.h" #include "llvm/Support/DataTypes.h" #include @@ -123,6 +124,8 @@ enum { }; // Machine architectures +// See current registered ELF machine architectures at: +// http://www.uxsglobal.com/developers/gabi/latest/ch4.eheader.html enum { EM_NONE = 0, // No machine EM_M32 = 1, // AT&T WE 32100 @@ -248,7 +251,7 @@ enum { EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor EM_R32C = 162, // Renesas R32C series microprocessors EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family - EM_QDSP6 = 164, // QUALCOMM DSP6 Processor + 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 @@ -271,11 +274,11 @@ enum { 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_MICROBLAZE = 189, // Xilinx MicroBlaze 32-bit RISC soft processor core EM_CUDA = 190, // NVIDIA CUDA architecture EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family EM_CLOUDSHIELD = 192, // CloudShield architecture family @@ -287,7 +290,25 @@ enum { EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor EM_78KOR = 199, // Renesas 78KOR family EM_56800EX = 200, // Freescale 56800EX Digital Signal Controller (DSC) - EM_MBLAZE = 47787 // Xilinx MicroBlaze + EM_BA1 = 201, // Beyond BA1 CPU architecture + EM_BA2 = 202, // Beyond BA2 CPU architecture + EM_XCORE = 203, // XMOS xCORE processor family + EM_MCHP_PIC = 204, // Microchip 8-bit PIC(r) family + EM_INTEL205 = 205, // Reserved by Intel + EM_INTEL206 = 206, // Reserved by Intel + EM_INTEL207 = 207, // Reserved by Intel + EM_INTEL208 = 208, // Reserved by Intel + EM_INTEL209 = 209, // Reserved by Intel + EM_KM32 = 210, // KM211 KM32 32-bit processor + EM_KMX32 = 211, // KM211 KMX32 32-bit processor + EM_KMX16 = 212, // KM211 KMX16 16-bit processor + EM_KMX8 = 213, // KM211 KMX8 8-bit processor + EM_KVARC = 214, // KM211 KVARC processor + EM_CDP = 215, // Paneve CDP architecture family + EM_COGE = 216, // Cognitive Smart Memory Processor + EM_COOL = 217, // iCelero CoolEngine + EM_NORC = 218, // Nanoradio Optimized RISC + EM_CSR_KALIMBA = 219 // CSR Kalimba architecture family }; // Object file classes. @@ -309,7 +330,8 @@ enum { ELFOSABI_NONE = 0, // UNIX System V ABI ELFOSABI_HPUX = 1, // HP-UX operating system ELFOSABI_NETBSD = 2, // NetBSD - ELFOSABI_LINUX = 3, // GNU/Linux + 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 @@ -328,350 +350,176 @@ enum { ELFOSABI_STANDALONE = 255 // Standalone (embedded) application }; +#define ELF_RELOC(name, value) name = value, + // 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 +#include "ELFRelocs/x86_64.def" }; // 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 +#include "ELFRelocs/i386.def" }; -// MBlaze relocations. +// ELF Relocation types for PPC32 +enum { +#include "ELFRelocs/PowerPC.def" +}; + +// Specific e_flags for PPC64 +enum { + // e_flags bits specifying ABI: + // 1 for original ABI using function descriptors, + // 2 for revised ABI without function descriptors, + // 0 for unspecified or not using any features affected by the differences. + EF_PPC64_ABI = 3 +}; + +// Special values for the st_other field in the symbol table entry for PPC64. +enum { + STO_PPC64_LOCAL_BIT = 5, + STO_PPC64_LOCAL_MASK = (7 << STO_PPC64_LOCAL_BIT) +}; +static inline int64_t +decodePPC64LocalEntryOffset(unsigned Other) { + unsigned Val = (Other & STO_PPC64_LOCAL_MASK) >> STO_PPC64_LOCAL_BIT; + return ((1 << Val) >> 2) << 2; +} +static inline unsigned +encodePPC64LocalEntryOffset(int64_t Offset) { + unsigned Val = (Offset >= 4 * 4 + ? (Offset >= 8 * 4 + ? (Offset >= 16 * 4 ? 6 : 5) + : 4) + : (Offset >= 2 * 4 + ? 3 + : (Offset >= 1 * 4 ? 2 : 0))); + return Val << STO_PPC64_LOCAL_BIT; +} + +// ELF Relocation types for PPC64 enum { - R_MICROBLAZE_NONE = 0, - R_MICROBLAZE_32 = 1, - R_MICROBLAZE_32_PCREL = 2, - R_MICROBLAZE_64_PCREL = 3, - R_MICROBLAZE_32_PCREL_LO = 4, - R_MICROBLAZE_64 = 5, - R_MICROBLAZE_32_LO = 6, - R_MICROBLAZE_SRO32 = 7, - R_MICROBLAZE_SRW32 = 8, - R_MICROBLAZE_64_NONE = 9, - R_MICROBLAZE_32_SYM_OP_SYM = 10, - R_MICROBLAZE_GNU_VTINHERIT = 11, - R_MICROBLAZE_GNU_VTENTRY = 12, - R_MICROBLAZE_GOTPC_64 = 13, - R_MICROBLAZE_GOT_64 = 14, - R_MICROBLAZE_PLT_64 = 15, - R_MICROBLAZE_REL = 16, - R_MICROBLAZE_JUMP_SLOT = 17, - R_MICROBLAZE_GLOB_DAT = 18, - R_MICROBLAZE_GOTOFF_64 = 19, - R_MICROBLAZE_GOTOFF_32 = 20, - R_MICROBLAZE_COPY = 21 +#include "ELFRelocs/PowerPC64.def" }; +// ELF Relocation types for AArch64 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_REL32 = 26 +#include "ELFRelocs/AArch64.def" }; // ARM Specific e_flags -enum { EF_ARM_EABIMASK = 0xFF000000U }; +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 +#include "ELFRelocs/ARM.def" }; // Mips Specific e_flags -enum { +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 + + // ABI flags + EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI + EF_MIPS_ABI_O64 = 0x00002000, // O32 ABI extended for 64-bit architecture. + EF_MIPS_ABI_EABI32 = 0x00003000, // EABI in 32 bit mode. + EF_MIPS_ABI_EABI64 = 0x00004000, // EABI in 64 bit mode. + EF_MIPS_ABI = 0x0000f000, // Mask for selecting EF_MIPS_ABI_ variant. + + //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 = 0x60000000, // MIPS32 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_GOT = 9, - R_MIPS_PC16 = 10, - R_MIPS_CALL16 = 11, - R_MIPS_GPREL32 = 12, - 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_COPY = 126, - R_MIPS_JUMP_SLOT = 127, - R_MIPS_NUM = 218 +#include "ELFRelocs/Mips.def" +}; + +// 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 +enum { +#include "ELFRelocs/Hexagon.def" +}; + +// ELF Relocation types for S390/zSeries +enum { +#include "ELFRelocs/SystemZ.def" +}; + +// ELF Relocation type for Sparc. +enum { +#include "ELFRelocs/Sparc.def" +}; + +#undef ELF_RELOC + // Section header. struct Elf32_Shdr { Elf32_Word sh_name; // Section name (index into string table) @@ -715,7 +563,7 @@ enum { }; // Section types. -enum { +enum : unsigned { SHT_NULL = 0, // No associated section (inactive entry). SHT_PROGBITS = 1, // Program-defined contents. SHT_SYMTAB = 2, // Symbol table. @@ -734,11 +582,13 @@ enum { 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 architecture-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, @@ -748,16 +598,21 @@ enum { 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_HIPROC = 0x7fffffff, // Highest processor architecture-specific type. + SHT_MIPS_REGINFO = 0x70000006, // Register usage information + SHT_MIPS_OPTIONS = 0x7000000d, // General options + SHT_MIPS_ABIFLAGS = 0x7000002a, // ABI information. + + 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 { +enum : unsigned { // Section data should be writable during execution. SHF_WRITE = 0x1, @@ -789,6 +644,9 @@ enum { // 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 @@ -813,11 +671,40 @@ enum { // 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 + 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 { +enum : unsigned { GRP_COMDAT = 0x1, GRP_MASKOS = 0x0ff00000, GRP_MASKPROC = 0xf0000000 @@ -848,7 +735,7 @@ 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 table index) it's defined in + 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 @@ -903,6 +790,11 @@ enum { 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) @@ -943,14 +835,14 @@ struct Elf64_Rel { // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, // and ELF64_R_INFO macros defined in the ELF specification: - Elf64_Xword getSymbol() const { return (r_info >> 32); } - unsigned char getType() const { - return (unsigned char) (r_info & 0xffffffffL); + Elf64_Word getSymbol() const { return (r_info >> 32); } + Elf64_Word getType() const { + return (Elf64_Word) (r_info & 0xffffffffL); } - void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } - void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } - void setSymbolAndType(Elf64_Xword s, unsigned char t) { - r_info = (s << 32) + (t&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); } }; @@ -962,14 +854,14 @@ struct Elf64_Rela { // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, // and ELF64_R_INFO macros defined in the ELF specification: - Elf64_Xword getSymbol() const { return (r_info >> 32); } - unsigned char getType() const { - return (unsigned char) (r_info & 0xffffffffL); + Elf64_Word getSymbol() const { return (r_info >> 32); } + Elf64_Word getType() const { + return (Elf64_Word) (r_info & 0xffffffffL); } - void setSymbol(Elf64_Xword s) { setSymbolAndType(s, getType()); } - void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } - void setSymbolAndType(Elf64_Xword s, unsigned char t) { - r_info = (s << 32) + (t&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); } }; @@ -991,7 +883,7 @@ struct Elf64_Phdr { 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 address of beginning of segment (OS-specific) + 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 @@ -1008,6 +900,9 @@ enum { 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. @@ -1015,13 +910,24 @@ enum { PT_SUNW_EH_FRAME = 0x6474e550, PT_SUNW_UNWIND = 0x6464e550, - 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. + 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. + PT_MIPS_ABIFLAGS = 0x70000003 // Abiflags segment. }; // Segment flag bits. -enum { +enum : unsigned { PF_X = 1, // Execute PF_W = 2, // Write PF_R = 4, // Read @@ -1093,7 +999,92 @@ enum { 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_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. @@ -1105,6 +1096,52 @@ enum { 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,