/* This file defines standard ELF types, structures, and macros.
- Copyright (C) 1995-2019 Free Software Foundation, Inc.
+ Copyright (C) 1995-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
+ <https://www.gnu.org/licenses/>. */
#ifndef _ELF_H
#define _ELF_H 1
-#include <features.h>
-
-__BEGIN_DECLS
-
/* Standard ELF types. */
#include <stdint.h>
/* reserved 184 */
#define EM_AVR32 185 /* Amtel 32-bit microprocessor */
#define EM_STM8 186 /* STMicroelectronics STM8 */
-#define EM_TILE64 187 /* Tileta TILE64 */
+#define EM_TILE64 187 /* Tilera TILE64 */
#define EM_TILEPRO 188 /* Tilera TILEPro */
#define EM_MICROBLAZE 189 /* Xilinx MicroBlaze */
#define EM_CUDA 190 /* NVIDIA CUDA */
#define EM_CLOUDSHIELD 192 /* CloudShield */
#define EM_COREA_1ST 193 /* KIPO-KAIST Core-A 1st gen. */
#define EM_COREA_2ND 194 /* KIPO-KAIST Core-A 2nd gen. */
-#define EM_ARC_COMPACT2 195 /* Synopsys ARCompact V2 */
+#define EM_ARCV2 195 /* Synopsys ARCv2 ISA. */
#define EM_OPEN8 196 /* Open8 RISC */
#define EM_RL78 197 /* Renesas RL78 */
#define EM_VIDEOCORE5 198 /* Broadcom VideoCore V */
#define EM_BA2 202 /* Beyond BA2 */
#define EM_XCORE 203 /* XMOS xCORE */
#define EM_MCHP_PIC 204 /* Microchip 8-bit PIC(r) */
- /* reserved 205-209 */
+#define EM_INTELGT 205 /* Intel Graphics Technology */
+ /* reserved 206-209 */
#define EM_KM32 210 /* KM211 KM32 */
#define EM_KMX32 211 /* KM211 KMX32 */
#define EM_EMX16 212 /* KM211 KMX16 */
#define EM_RISCV 243 /* RISC-V */
#define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */
-#define EM_CSKY 252 /* C_SKY */
+#define EM_CSKY 252 /* C-SKY */
#define EM_NUM 253
#define SHT_FINI_ARRAY 15 /* Array of destructors */
#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */
#define SHT_GROUP 17 /* Section group */
-#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */
+#define SHT_SYMTAB_SHNDX 18 /* Extended section indices */
#define SHT_NUM 19 /* Number of defined types. */
#define SHT_LOOS 0x60000000 /* Start OS-specific. */
#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */
#define SHF_COMPRESSED (1 << 11) /* Section with compressed data. */
#define SHF_MASKOS 0x0ff00000 /* OS-specific. */
#define SHF_MASKPROC 0xf0000000 /* Processor-specific */
+#define SHF_GNU_RETAIN (1 << 21) /* Not to be GCed by linker. */
#define SHF_ORDERED (1 << 30) /* Special ordering requirement
(Solaris). */
#define SHF_EXCLUDE (1U << 31) /* Section is excluded unless
#define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */
#define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */
#define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */
+#define PT_GNU_PROPERTY 0x6474e553 /* GNU property */
#define PT_LOSUNW 0x6ffffffa
#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */
#define PT_SUNWSTACK 0x6ffffffb /* Stack segment */
#define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */
#define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension
registers */
+#define NT_ARM_PAC_MASK 0x406 /* ARM pointer authentication
+ code masks. */
+#define NT_ARM_PACA_KEYS 0x407 /* ARM pointer authentication
+ address keys. */
+#define NT_ARM_PACG_KEYS 0x408 /* ARM pointer authentication
+ generic key. */
+#define NT_ARM_TAGGED_ADDR_CTRL 0x409 /* AArch64 tagged address
+ control. */
+#define NT_ARM_PAC_ENABLED_KEYS 0x40a /* AArch64 pointer authentication
+ enabled keys. */
#define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note. */
#define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers. */
#define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode. */
+#define NT_MIPS_MSA 0x802 /* MIPS SIMD registers. */
/* Legal values for the note segment descriptor types for object files. */
#define DF_1_SINGLETON 0x02000000 /* Singleton symbols are used. */
#define DF_1_STUB 0x04000000
#define DF_1_PIE 0x08000000
+#define DF_1_KMOD 0x10000000
+#define DF_1_WEAKFILTER 0x20000000
+#define DF_1_NOCOMMON 0x40000000
/* Flags for the feature selection in DT_FEATURE_1. */
#define DTF_1_PARINIT 0x00000001
#define VER_NDX_LORESERVE 0xff00 /* Beginning of reserved entries. */
#define VER_NDX_ELIMINATE 0xff01 /* Symbol is to be eliminated. */
-/* Auxialiary version information. */
+/* Auxiliary version information. */
typedef struct
{
#define AT_L3_CACHESIZE 46
#define AT_L3_CACHEGEOMETRY 47
-#define AT_MINSIGSTKSZ 51 /* Stack needed for signal delivery
- (AArch64). */
+#define AT_MINSIGSTKSZ 51 /* Stack needed for signal delivery */
/* Note section contents. Each entry in the note section begins with
a header of a fixed form. */
/* Note entries for GNU systems have this name. */
#define ELF_NOTE_GNU "GNU"
+/* Note entries for freedesktop.org have this name. */
+#define ELF_NOTE_FDO "FDO"
/* Defined types of notes for Solaris. */
/* Program property. */
#define NT_GNU_PROPERTY_TYPE_0 5
+/* Packaging metadata as defined on
+ https://systemd.io/COREDUMP_PACKAGE_METADATA/ */
+#define NT_FDO_PACKAGING_METADATA 0xcafe1a7e
+
/* Note section name of program property. */
#define NOTE_GNU_PROPERTY_SECTION_NAME ".note.gnu.property"
/* No copy relocation on protected data symbol. */
#define GNU_PROPERTY_NO_COPY_ON_PROTECTED 2
+/* A 4-byte unsigned integer property: A bit is set if it is set in all
+ relocatable inputs. */
+#define GNU_PROPERTY_UINT32_AND_LO 0xb0000000
+#define GNU_PROPERTY_UINT32_AND_HI 0xb0007fff
+
+/* A 4-byte unsigned integer property: A bit is set if it is set in any
+ relocatable inputs. */
+#define GNU_PROPERTY_UINT32_OR_LO 0xb0008000
+#define GNU_PROPERTY_UINT32_OR_HI 0xb000ffff
+
+/* The needed properties by the object file. */
+#define GNU_PROPERTY_1_NEEDED GNU_PROPERTY_UINT32_OR_LO
+
+/* Set if the object file requires canonical function pointers and
+ cannot be used with copy relocation. */
+#define GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS (1U << 0)
+
/* Processor-specific semantics, lo */
#define GNU_PROPERTY_LOPROC 0xc0000000
/* Processor-specific semantics, hi */
/* Application-specific semantics, hi */
#define GNU_PROPERTY_HIUSER 0xffffffff
+/* AArch64 specific GNU properties. */
+#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000
+
+#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0)
+#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC (1U << 1)
+
/* The x86 instruction sets indicated by the corresponding bits are
used in program. Their support in the hardware is optional. */
-#define GNU_PROPERTY_X86_ISA_1_USED 0xc0000000
+#define GNU_PROPERTY_X86_ISA_1_USED 0xc0010002
/* The x86 instruction sets indicated by the corresponding bits are
used in program and they must be supported by the hardware. */
-#define GNU_PROPERTY_X86_ISA_1_NEEDED 0xc0000001
+#define GNU_PROPERTY_X86_ISA_1_NEEDED 0xc0008002
/* X86 processor-specific features used in program. */
#define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002
-#define GNU_PROPERTY_X86_ISA_1_486 (1U << 0)
-#define GNU_PROPERTY_X86_ISA_1_586 (1U << 1)
-#define GNU_PROPERTY_X86_ISA_1_686 (1U << 2)
-#define GNU_PROPERTY_X86_ISA_1_SSE (1U << 3)
-#define GNU_PROPERTY_X86_ISA_1_SSE2 (1U << 4)
-#define GNU_PROPERTY_X86_ISA_1_SSE3 (1U << 5)
-#define GNU_PROPERTY_X86_ISA_1_SSSE3 (1U << 6)
-#define GNU_PROPERTY_X86_ISA_1_SSE4_1 (1U << 7)
-#define GNU_PROPERTY_X86_ISA_1_SSE4_2 (1U << 8)
-#define GNU_PROPERTY_X86_ISA_1_AVX (1U << 9)
-#define GNU_PROPERTY_X86_ISA_1_AVX2 (1U << 10)
-#define GNU_PROPERTY_X86_ISA_1_AVX512F (1U << 11)
-#define GNU_PROPERTY_X86_ISA_1_AVX512CD (1U << 12)
-#define GNU_PROPERTY_X86_ISA_1_AVX512ER (1U << 13)
-#define GNU_PROPERTY_X86_ISA_1_AVX512PF (1U << 14)
-#define GNU_PROPERTY_X86_ISA_1_AVX512VL (1U << 15)
-#define GNU_PROPERTY_X86_ISA_1_AVX512DQ (1U << 16)
-#define GNU_PROPERTY_X86_ISA_1_AVX512BW (1U << 17)
+/* GNU_PROPERTY_X86_ISA_1_BASELINE: CMOV, CX8 (cmpxchg8b), FPU (fld),
+ MMX, OSFXSR (fxsave), SCE (syscall), SSE and SSE2. */
+#define GNU_PROPERTY_X86_ISA_1_BASELINE (1U << 0)
+/* GNU_PROPERTY_X86_ISA_1_V2: GNU_PROPERTY_X86_ISA_1_BASELINE,
+ CMPXCHG16B (cmpxchg16b), LAHF-SAHF (lahf), POPCNT (popcnt), SSE3,
+ SSSE3, SSE4.1 and SSE4.2. */
+#define GNU_PROPERTY_X86_ISA_1_V2 (1U << 1)
+/* GNU_PROPERTY_X86_ISA_1_V3: GNU_PROPERTY_X86_ISA_1_V2, AVX, AVX2, BMI1,
+ BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE. */
+#define GNU_PROPERTY_X86_ISA_1_V3 (1U << 2)
+/* GNU_PROPERTY_X86_ISA_1_V4: GNU_PROPERTY_X86_ISA_1_V3, AVX512F,
+ AVX512BW, AVX512CD, AVX512DQ and AVX512VL. */
+#define GNU_PROPERTY_X86_ISA_1_V4 (1U << 3)
/* This indicates that all executable sections are compatible with
IBT. */
#define SHT_MIPS_EH_REGION 0x70000027
#define SHT_MIPS_XLATE_OLD 0x70000028
#define SHT_MIPS_PDR_EXCEPTION 0x70000029
+#define SHT_MIPS_XHASH 0x7000002b
/* Legal values for sh_flags field of Elf32_Shdr. */
in a PIE as it stores a relative offset from the address of the tag
rather than an absolute address. */
#define DT_MIPS_RLD_MAP_REL 0x70000035
-#define DT_MIPS_NUM 0x36
+/* GNU-style hash table with xlat. */
+#define DT_MIPS_XHASH 0x70000036
+#define DT_MIPS_NUM 0x37
/* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */
#define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */
#define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */
-/* Additional section indeces. */
+/* Additional section indices. */
-#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared
+#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tentatively declared
symbols in ANSI C. */
#define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */
#define R_AARCH64_TLSDESC 1031 /* TLS Descriptor. */
#define R_AARCH64_IRELATIVE 1032 /* STT_GNU_IFUNC relocation. */
+/* AArch64 specific values for the Dyn d_tag field. */
+#define DT_AARCH64_BTI_PLT (DT_LOPROC + 1)
+#define DT_AARCH64_PAC_PLT (DT_LOPROC + 3)
+#define DT_AARCH64_VARIANT_PCS (DT_LOPROC + 5)
+#define DT_AARCH64_NUM 6
+
+/* AArch64 specific values for the st_other field. */
+#define STO_AARCH64_VARIANT_PCS 0x80
+
/* ARM relocs. */
#define R_ARM_NONE 0 /* No reloc */
/* Keep this the last entry. */
#define R_ARM_NUM 256
-/* csky */
+/* C-SKY */
#define R_CKCORE_NONE 0 /* no reloc */
#define R_CKCORE_ADDR32 1 /* direct 32 bit (S + A) */
#define R_CKCORE_PCRELIMM8BY4 2 /* disp ((S + A - P) >> 2) & 0xff */
#define R_CKCORE_TLS_DTPOFF32 57
#define R_CKCORE_TLS_TPOFF32 58
+/* C-SKY elf header definition. */
+#define EF_CSKY_ABIMASK 0XF0000000
+#define EF_CSKY_OTHER 0X0FFF0000
+#define EF_CSKY_PROCESSOR 0X0000FFFF
+
+#define EF_CSKY_ABIV1 0X10000000
+#define EF_CSKY_ABIV2 0X20000000
+
+/* C-SKY attributes section. */
+#define SHT_CSKY_ATTRIBUTES (SHT_LOPROC + 1)
+
/* IA-64 specific declarations. */
/* Processor specific flags for the Ehdr e_flags field. */
#define R_RISCV_SET16 55
#define R_RISCV_SET32 56
#define R_RISCV_32_PCREL 57
+#define R_RISCV_IRELATIVE 58
-#define R_RISCV_NUM 58
+#define R_RISCV_NUM 59
/* BPF specific declarations. */
#define R_METAG_RELBRANCH 4
#define R_METAG_GETSETOFF 5
-/* Backward compatability */
+/* Backward compatibility */
#define R_METAG_REG32OP1 6
#define R_METAG_REG32OP2 7
#define R_METAG_REG32OP3 8
#define R_NDS32_TLS_TPOFF 102
#define R_NDS32_TLS_DESC 119
-__END_DECLS
+/* ARCompact/ARCv2 specific relocs. */
+#define R_ARC_NONE 0x0
+#define R_ARC_8 0x1
+#define R_ARC_16 0x2
+#define R_ARC_24 0x3
+#define R_ARC_32 0x4
+#define R_ARC_B26 0x5
+#define R_ARC_B22_PCREL 0x6
+#define R_ARC_H30 0x7
+#define R_ARC_N8 0x8
+#define R_ARC_N16 0x9
+#define R_ARC_N24 0xA
+#define R_ARC_N32 0xB
+#define R_ARC_SDA 0xC
+#define R_ARC_SECTOFF 0xD
+#define R_ARC_S21H_PCREL 0xE
+#define R_ARC_S21W_PCREL 0xF
+#define R_ARC_S25H_PCREL 0x10
+#define R_ARC_S25W_PCREL 0x11
+#define R_ARC_SDA32 0x12
+#define R_ARC_SDA_LDST 0x13
+#define R_ARC_SDA_LDST1 0x14
+#define R_ARC_SDA_LDST2 0x15
+#define R_ARC_SDA16_LD 0x16
+#define R_ARC_SDA16_LD1 0x17
+#define R_ARC_SDA16_LD2 0x18
+#define R_ARC_S13_PCREL 0x19
+#define R_ARC_W 0x1A
+#define R_ARC_32_ME 0x1B
+#define R_ARC_N32_ME 0x1C
+#define R_ARC_SECTOFF_ME 0x1D
+#define R_ARC_SDA32_ME 0x1E
+#define R_ARC_W_ME 0x1F
+#define R_ARC_H30_ME 0x20
+#define R_ARC_SECTOFF_U8 0x21
+#define R_ARC_SECTOFF_S9 0x22
+#define R_AC_SECTOFF_U8 0x23
+#define R_AC_SECTOFF_U8_1 0x24
+#define R_AC_SECTOFF_U8_2 0x25
+#define R_AC_SECTOFF_S9 0x26
+#define R_AC_SECTOFF_S9_1 0x27
+#define R_AC_SECTOFF_S9_2 0x28
+#define R_ARC_SECTOFF_ME_1 0x29
+#define R_ARC_SECTOFF_ME_2 0x2A
+#define R_ARC_SECTOFF_1 0x2B
+#define R_ARC_SECTOFF_2 0x2C
+#define R_ARC_PC32 0x32
+#define R_ARC_GOTPC32 0x33
+#define R_ARC_PLT32 0x34
+#define R_ARC_COPY 0x35
+#define R_ARC_GLOB_DAT 0x36
+#define R_ARC_JUMP_SLOT 0x37
+#define R_ARC_RELATIVE 0x38
+#define R_ARC_GOTOFF 0x39
+#define R_ARC_GOTPC 0x3A
+#define R_ARC_GOT32 0x3B
+
+#define R_ARC_TLS_DTPMOD 0x42
+#define R_ARC_TLS_DTPOFF 0x43
+#define R_ARC_TLS_TPOFF 0x44
+#define R_ARC_TLS_GD_GOT 0x45
+#define R_ARC_TLS_GD_LD 0x46
+#define R_ARC_TLS_GD_CALL 0x47
+#define R_ARC_TLS_IE_GOT 0x48
+#define R_ARC_TLS_DTPOFF_S9 0x4a
+#define R_ARC_TLS_LE_S9 0x4a
+#define R_ARC_TLS_LE_32 0x4b
+
+/* OpenRISC 1000 specific relocs. */
+#define R_OR1K_NONE 0
+#define R_OR1K_32 1
+#define R_OR1K_16 2
+#define R_OR1K_8 3
+#define R_OR1K_LO_16_IN_INSN 4
+#define R_OR1K_HI_16_IN_INSN 5
+#define R_OR1K_INSN_REL_26 6
+#define R_OR1K_GNU_VTENTRY 7
+#define R_OR1K_GNU_VTINHERIT 8
+#define R_OR1K_32_PCREL 9
+#define R_OR1K_16_PCREL 10
+#define R_OR1K_8_PCREL 11
+#define R_OR1K_GOTPC_HI16 12
+#define R_OR1K_GOTPC_LO16 13
+#define R_OR1K_GOT16 14
+#define R_OR1K_PLT26 15
+#define R_OR1K_GOTOFF_HI16 16
+#define R_OR1K_GOTOFF_LO16 17
+#define R_OR1K_COPY 18
+#define R_OR1K_GLOB_DAT 19
+#define R_OR1K_JMP_SLOT 20
+#define R_OR1K_RELATIVE 21
+#define R_OR1K_TLS_GD_HI16 22
+#define R_OR1K_TLS_GD_LO16 23
+#define R_OR1K_TLS_LDM_HI16 24
+#define R_OR1K_TLS_LDM_LO16 25
+#define R_OR1K_TLS_LDO_HI16 26
+#define R_OR1K_TLS_LDO_LO16 27
+#define R_OR1K_TLS_IE_HI16 28
+#define R_OR1K_TLS_IE_LO16 29
+#define R_OR1K_TLS_LE_HI16 30
+#define R_OR1K_TLS_LE_LO16 31
+#define R_OR1K_TLS_TPOFF 32
+#define R_OR1K_TLS_DTPOFF 33
+#define R_OR1K_TLS_DTPMOD 34
#endif /* elf.h */
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