472 lines
15 KiB
C
472 lines
15 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_LINUX_ELF_H
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#define _UAPI_LINUX_ELF_H
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#include <linux/types.h>
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#include <linux/elf-em.h>
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/* 32-bit ELF base types. */
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typedef __u32 Elf32_Addr;
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typedef __u16 Elf32_Half;
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typedef __u32 Elf32_Off;
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typedef __s32 Elf32_Sword;
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typedef __u32 Elf32_Word;
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/* 64-bit ELF base types. */
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typedef __u64 Elf64_Addr;
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typedef __u16 Elf64_Half;
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typedef __s16 Elf64_SHalf;
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typedef __u64 Elf64_Off;
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typedef __s32 Elf64_Sword;
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typedef __u32 Elf64_Word;
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typedef __u64 Elf64_Xword;
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typedef __s64 Elf64_Sxword;
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/* These constants are for the segment types stored in the image headers */
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#define PT_NULL 0
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#define PT_LOAD 1
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#define PT_DYNAMIC 2
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#define PT_INTERP 3
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#define PT_NOTE 4
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#define PT_SHLIB 5
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#define PT_PHDR 6
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#define PT_TLS 7 /* Thread local storage segment */
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#define PT_LOOS 0x60000000 /* OS-specific */
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#define PT_HIOS 0x6fffffff /* OS-specific */
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#define PT_LOPROC 0x70000000
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#define PT_HIPROC 0x7fffffff
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#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)
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#define PT_GNU_STACK (PT_LOOS + 0x474e551)
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#define PT_GNU_RELRO (PT_LOOS + 0x474e552)
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#define PT_GNU_PROPERTY (PT_LOOS + 0x474e553)
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/* ARM MTE memory tag segment type */
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#define PT_AARCH64_MEMTAG_MTE (PT_LOPROC + 0x2)
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/*
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* Extended Numbering
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*
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* If the real number of program header table entries is larger than
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* or equal to PN_XNUM(0xffff), it is set to sh_info field of the
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* section header at index 0, and PN_XNUM is set to e_phnum
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* field. Otherwise, the section header at index 0 is zero
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* initialized, if it exists.
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*
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* Specifications are available in:
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*
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* - Oracle: Linker and Libraries.
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* Part No: 817–1984–19, August 2011.
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* https://docs.oracle.com/cd/E18752_01/pdf/817-1984.pdf
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*
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* - System V ABI AMD64 Architecture Processor Supplement
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* Draft Version 0.99.4,
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* January 13, 2010.
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* http://www.cs.washington.edu/education/courses/cse351/12wi/supp-docs/abi.pdf
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*/
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#define PN_XNUM 0xffff
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/* These constants define the different elf file types */
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#define ET_NONE 0
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#define ET_REL 1
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#define ET_EXEC 2
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#define ET_DYN 3
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#define ET_CORE 4
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#define ET_LOPROC 0xff00
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#define ET_HIPROC 0xffff
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/* This is the info that is needed to parse the dynamic section of the file */
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#define DT_NULL 0
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#define DT_NEEDED 1
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#define DT_PLTRELSZ 2
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#define DT_PLTGOT 3
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#define DT_HASH 4
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#define DT_STRTAB 5
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#define DT_SYMTAB 6
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#define DT_RELA 7
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#define DT_RELASZ 8
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#define DT_RELAENT 9
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#define DT_STRSZ 10
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#define DT_SYMENT 11
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#define DT_INIT 12
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#define DT_FINI 13
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#define DT_SONAME 14
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#define DT_RPATH 15
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#define DT_SYMBOLIC 16
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#define DT_REL 17
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#define DT_RELSZ 18
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#define DT_RELENT 19
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#define DT_PLTREL 20
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#define DT_DEBUG 21
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#define DT_TEXTREL 22
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#define DT_JMPREL 23
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#define DT_ENCODING 32
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#define OLD_DT_LOOS 0x60000000
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#define DT_LOOS 0x6000000d
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#define DT_HIOS 0x6ffff000
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#define DT_VALRNGLO 0x6ffffd00
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#define DT_VALRNGHI 0x6ffffdff
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#define DT_ADDRRNGLO 0x6ffffe00
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#define DT_ADDRRNGHI 0x6ffffeff
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#define DT_VERSYM 0x6ffffff0
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#define DT_RELACOUNT 0x6ffffff9
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#define DT_RELCOUNT 0x6ffffffa
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#define DT_FLAGS_1 0x6ffffffb
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#define DT_VERDEF 0x6ffffffc
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#define DT_VERDEFNUM 0x6ffffffd
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#define DT_VERNEED 0x6ffffffe
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#define DT_VERNEEDNUM 0x6fffffff
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#define OLD_DT_HIOS 0x6fffffff
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#define DT_LOPROC 0x70000000
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#define DT_HIPROC 0x7fffffff
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/* This info is needed when parsing the symbol table */
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#define STB_LOCAL 0
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#define STB_GLOBAL 1
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#define STB_WEAK 2
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#define STT_NOTYPE 0
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#define STT_OBJECT 1
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#define STT_FUNC 2
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#define STT_SECTION 3
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#define STT_FILE 4
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#define STT_COMMON 5
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#define STT_TLS 6
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#define ELF_ST_BIND(x) ((x) >> 4)
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#define ELF_ST_TYPE(x) ((x) & 0xf)
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#define ELF32_ST_BIND(x) ELF_ST_BIND(x)
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#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
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#define ELF64_ST_BIND(x) ELF_ST_BIND(x)
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#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
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typedef struct dynamic{
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Elf32_Sword d_tag;
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union{
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Elf32_Sword d_val;
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Elf32_Addr d_ptr;
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} d_un;
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} Elf32_Dyn;
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typedef struct {
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Elf64_Sxword d_tag; /* entry tag value */
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union {
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Elf64_Xword d_val;
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Elf64_Addr d_ptr;
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} d_un;
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} Elf64_Dyn;
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/* The following are used with relocations */
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#define ELF32_R_SYM(x) ((x) >> 8)
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#define ELF32_R_TYPE(x) ((x) & 0xff)
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#define ELF64_R_SYM(i) ((i) >> 32)
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#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
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typedef struct elf32_rel {
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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} Elf32_Rel;
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typedef struct elf64_rel {
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Elf64_Addr r_offset; /* Location at which to apply the action */
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Elf64_Xword r_info; /* index and type of relocation */
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} Elf64_Rel;
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typedef struct elf32_rela{
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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Elf32_Sword r_addend;
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} Elf32_Rela;
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typedef struct elf64_rela {
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Elf64_Addr r_offset; /* Location at which to apply the action */
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Elf64_Xword r_info; /* index and type of relocation */
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Elf64_Sxword r_addend; /* Constant addend used to compute value */
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} Elf64_Rela;
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typedef struct elf32_sym{
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Elf32_Word st_name;
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Elf32_Addr st_value;
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Elf32_Word st_size;
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unsigned char st_info;
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unsigned char st_other;
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Elf32_Half st_shndx;
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} Elf32_Sym;
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typedef struct elf64_sym {
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Elf64_Word st_name; /* Symbol name, index in string tbl */
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unsigned char st_info; /* Type and binding attributes */
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unsigned char st_other; /* No defined meaning, 0 */
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Elf64_Half st_shndx; /* Associated section index */
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Elf64_Addr st_value; /* Value of the symbol */
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Elf64_Xword st_size; /* Associated symbol size */
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} Elf64_Sym;
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#define EI_NIDENT 16
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typedef struct elf32_hdr{
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unsigned char e_ident[EI_NIDENT];
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Elf32_Half e_type;
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Elf32_Half e_machine;
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Elf32_Word e_version;
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Elf32_Addr e_entry; /* Entry point */
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Elf32_Off e_phoff;
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Elf32_Off e_shoff;
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Elf32_Word e_flags;
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Elf32_Half e_ehsize;
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Elf32_Half e_phentsize;
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Elf32_Half e_phnum;
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Elf32_Half e_shentsize;
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Elf32_Half e_shnum;
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Elf32_Half e_shstrndx;
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} Elf32_Ehdr;
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typedef struct elf64_hdr {
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unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */
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Elf64_Half e_type;
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Elf64_Half e_machine;
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Elf64_Word e_version;
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Elf64_Addr e_entry; /* Entry point virtual address */
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Elf64_Off e_phoff; /* Program header table file offset */
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Elf64_Off e_shoff; /* Section header table file offset */
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Elf64_Word e_flags;
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Elf64_Half e_ehsize;
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Elf64_Half e_phentsize;
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Elf64_Half e_phnum;
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Elf64_Half e_shentsize;
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Elf64_Half e_shnum;
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Elf64_Half e_shstrndx;
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} Elf64_Ehdr;
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/* These constants define the permissions on sections in the program
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header, p_flags. */
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#define PF_R 0x4
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#define PF_W 0x2
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#define PF_X 0x1
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typedef struct elf32_phdr{
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Elf32_Word p_type;
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Elf32_Off p_offset;
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Elf32_Addr p_vaddr;
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Elf32_Addr p_paddr;
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Elf32_Word p_filesz;
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Elf32_Word p_memsz;
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Elf32_Word p_flags;
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Elf32_Word p_align;
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} Elf32_Phdr;
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typedef struct elf64_phdr {
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Elf64_Word p_type;
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Elf64_Word p_flags;
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Elf64_Off p_offset; /* Segment file offset */
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Elf64_Addr p_vaddr; /* Segment virtual address */
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Elf64_Addr p_paddr; /* Segment physical address */
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Elf64_Xword p_filesz; /* Segment size in file */
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Elf64_Xword p_memsz; /* Segment size in memory */
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Elf64_Xword p_align; /* Segment alignment, file & memory */
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} Elf64_Phdr;
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/* sh_type */
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#define SHT_NULL 0
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#define SHT_PROGBITS 1
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#define SHT_SYMTAB 2
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#define SHT_STRTAB 3
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#define SHT_RELA 4
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#define SHT_HASH 5
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#define SHT_DYNAMIC 6
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#define SHT_NOTE 7
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#define SHT_NOBITS 8
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#define SHT_REL 9
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#define SHT_SHLIB 10
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#define SHT_DYNSYM 11
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#define SHT_NUM 12
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#define SHT_LOPROC 0x70000000
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#define SHT_HIPROC 0x7fffffff
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#define SHT_LOUSER 0x80000000
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#define SHT_HIUSER 0xffffffff
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/* sh_flags */
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#define SHF_WRITE 0x1
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#define SHF_ALLOC 0x2
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#define SHF_EXECINSTR 0x4
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#define SHF_RELA_LIVEPATCH 0x00100000
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#define SHF_RO_AFTER_INIT 0x00200000
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#define SHF_MASKPROC 0xf0000000
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/* special section indexes */
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#define SHN_UNDEF 0
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#define SHN_LORESERVE 0xff00
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#define SHN_LOPROC 0xff00
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#define SHN_HIPROC 0xff1f
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#define SHN_LIVEPATCH 0xff20
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#define SHN_ABS 0xfff1
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#define SHN_COMMON 0xfff2
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#define SHN_HIRESERVE 0xffff
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typedef struct elf32_shdr {
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Elf32_Word sh_name;
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Elf32_Word sh_type;
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Elf32_Word sh_flags;
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Elf32_Addr sh_addr;
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Elf32_Off sh_offset;
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Elf32_Word sh_size;
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Elf32_Word sh_link;
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Elf32_Word sh_info;
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Elf32_Word sh_addralign;
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Elf32_Word sh_entsize;
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} Elf32_Shdr;
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typedef struct elf64_shdr {
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Elf64_Word sh_name; /* Section name, index in string tbl */
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Elf64_Word sh_type; /* Type of section */
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Elf64_Xword sh_flags; /* Miscellaneous section attributes */
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Elf64_Addr sh_addr; /* Section virtual addr at execution */
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Elf64_Off sh_offset; /* Section file offset */
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Elf64_Xword sh_size; /* Size of section in bytes */
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Elf64_Word sh_link; /* Index of another section */
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Elf64_Word sh_info; /* Additional section information */
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Elf64_Xword sh_addralign; /* Section alignment */
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Elf64_Xword sh_entsize; /* Entry size if section holds table */
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} Elf64_Shdr;
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#define EI_MAG0 0 /* e_ident[] indexes */
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#define EI_MAG1 1
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#define EI_MAG2 2
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|
#define EI_MAG3 3
|
|||
|
|
#define EI_CLASS 4
|
|||
|
|
#define EI_DATA 5
|
|||
|
|
#define EI_VERSION 6
|
|||
|
|
#define EI_OSABI 7
|
|||
|
|
#define EI_PAD 8
|
|||
|
|
|
|||
|
|
#define ELFMAG0 0x7f /* EI_MAG */
|
|||
|
|
#define ELFMAG1 'E'
|
|||
|
|
#define ELFMAG2 'L'
|
|||
|
|
#define ELFMAG3 'F'
|
|||
|
|
#define ELFMAG "\177ELF"
|
|||
|
|
#define SELFMAG 4
|
|||
|
|
|
|||
|
|
#define ELFCLASSNONE 0 /* EI_CLASS */
|
|||
|
|
#define ELFCLASS32 1
|
|||
|
|
#define ELFCLASS64 2
|
|||
|
|
#define ELFCLASSNUM 3
|
|||
|
|
|
|||
|
|
#define ELFDATANONE 0 /* e_ident[EI_DATA] */
|
|||
|
|
#define ELFDATA2LSB 1
|
|||
|
|
#define ELFDATA2MSB 2
|
|||
|
|
|
|||
|
|
#define EV_NONE 0 /* e_version, EI_VERSION */
|
|||
|
|
#define EV_CURRENT 1
|
|||
|
|
#define EV_NUM 2
|
|||
|
|
|
|||
|
|
#define ELFOSABI_NONE 0
|
|||
|
|
#define ELFOSABI_LINUX 3
|
|||
|
|
|
|||
|
|
#ifndef ELF_OSABI
|
|||
|
|
#define ELF_OSABI ELFOSABI_NONE
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Notes used in ET_CORE. Architectures export some of the arch register sets
|
|||
|
|
* using the corresponding note types via the PTRACE_GETREGSET and
|
|||
|
|
* PTRACE_SETREGSET requests.
|
|||
|
|
* The note name for all these is "LINUX".
|
|||
|
|
*/
|
|||
|
|
#define NT_PRSTATUS 1
|
|||
|
|
#define NT_PRFPREG 2
|
|||
|
|
#define NT_PRPSINFO 3
|
|||
|
|
#define NT_TASKSTRUCT 4
|
|||
|
|
#define NT_AUXV 6
|
|||
|
|
/*
|
|||
|
|
* Note to userspace developers: size of NT_SIGINFO note may increase
|
|||
|
|
* in the future to accomodate more fields, don't assume it is fixed!
|
|||
|
|
*/
|
|||
|
|
#define NT_SIGINFO 0x53494749
|
|||
|
|
#define NT_FILE 0x46494c45
|
|||
|
|
#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
|
|||
|
|
#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */
|
|||
|
|
#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */
|
|||
|
|
#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */
|
|||
|
|
#define NT_PPC_TAR 0x103 /* Target Address Register */
|
|||
|
|
#define NT_PPC_PPR 0x104 /* Program Priority Register */
|
|||
|
|
#define NT_PPC_DSCR 0x105 /* Data Stream Control Register */
|
|||
|
|
#define NT_PPC_EBB 0x106 /* Event Based Branch Registers */
|
|||
|
|
#define NT_PPC_PMU 0x107 /* Performance Monitor Registers */
|
|||
|
|
#define NT_PPC_TM_CGPR 0x108 /* TM checkpointed GPR Registers */
|
|||
|
|
#define NT_PPC_TM_CFPR 0x109 /* TM checkpointed FPR Registers */
|
|||
|
|
#define NT_PPC_TM_CVMX 0x10a /* TM checkpointed VMX Registers */
|
|||
|
|
#define NT_PPC_TM_CVSX 0x10b /* TM checkpointed VSX Registers */
|
|||
|
|
#define NT_PPC_TM_SPR 0x10c /* TM Special Purpose Registers */
|
|||
|
|
#define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address Register */
|
|||
|
|
#define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority Register */
|
|||
|
|
#define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control Register */
|
|||
|
|
#define NT_PPC_PKEY 0x110 /* Memory Protection Keys registers */
|
|||
|
|
#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */
|
|||
|
|
#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */
|
|||
|
|
#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */
|
|||
|
|
#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */
|
|||
|
|
#define NT_S390_TIMER 0x301 /* s390 timer register */
|
|||
|
|
#define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */
|
|||
|
|
#define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */
|
|||
|
|
#define NT_S390_CTRS 0x304 /* s390 control registers */
|
|||
|
|
#define NT_S390_PREFIX 0x305 /* s390 prefix register */
|
|||
|
|
#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */
|
|||
|
|
#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */
|
|||
|
|
#define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */
|
|||
|
|
#define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 upper half */
|
|||
|
|
#define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31 */
|
|||
|
|
#define NT_S390_GS_CB 0x30b /* s390 guarded storage registers */
|
|||
|
|
#define NT_S390_GS_BC 0x30c /* s390 guarded storage broadcast control block */
|
|||
|
|
#define NT_S390_RI_CB 0x30d /* s390 runtime instrumentation */
|
|||
|
|
#define NT_S390_PV_CPU_DATA 0x30e /* s390 protvirt cpu dump data */
|
|||
|
|
#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */
|
|||
|
|
#define NT_ARM_TLS 0x401 /* ARM TLS register */
|
|||
|
|
#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */
|
|||
|
|
#define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */
|
|||
|
|
#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 /* arm64 tagged address control (prctl()) */
|
|||
|
|
#define NT_ARM_PAC_ENABLED_KEYS 0x40a /* arm64 ptr auth enabled keys (prctl()) */
|
|||
|
|
#define NT_ARM_SSVE 0x40b /* ARM Streaming SVE registers */
|
|||
|
|
#define NT_ARM_ZA 0x40c /* ARM SME ZA registers */
|
|||
|
|
#define NT_ARC_V2 0x600 /* ARCv2 accumulator/extra registers */
|
|||
|
|
#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 */
|
|||
|
|
#define NT_LOONGARCH_CPUCFG 0xa00 /* LoongArch CPU config registers */
|
|||
|
|
#define NT_LOONGARCH_CSR 0xa01 /* LoongArch control and status registers */
|
|||
|
|
#define NT_LOONGARCH_LSX 0xa02 /* LoongArch Loongson SIMD Extension registers */
|
|||
|
|
#define NT_LOONGARCH_LASX 0xa03 /* LoongArch Loongson Advanced SIMD Extension registers */
|
|||
|
|
#define NT_LOONGARCH_LBT 0xa04 /* LoongArch Loongson Binary Translation registers */
|
|||
|
|
|
|||
|
|
/* Note types with note name "GNU" */
|
|||
|
|
#define NT_GNU_PROPERTY_TYPE_0 5
|
|||
|
|
|
|||
|
|
/* Note header in a PT_NOTE section */
|
|||
|
|
typedef struct elf32_note {
|
|||
|
|
Elf32_Word n_namesz; /* Name size */
|
|||
|
|
Elf32_Word n_descsz; /* Content size */
|
|||
|
|
Elf32_Word n_type; /* Content type */
|
|||
|
|
} Elf32_Nhdr;
|
|||
|
|
|
|||
|
|
/* Note header in a PT_NOTE section */
|
|||
|
|
typedef struct elf64_note {
|
|||
|
|
Elf64_Word n_namesz; /* Name size */
|
|||
|
|
Elf64_Word n_descsz; /* Content size */
|
|||
|
|
Elf64_Word n_type; /* Content type */
|
|||
|
|
} Elf64_Nhdr;
|
|||
|
|
|
|||
|
|
/* .note.gnu.property types for EM_AARCH64: */
|
|||
|
|
#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000
|
|||
|
|
|
|||
|
|
/* Bits for GNU_PROPERTY_AARCH64_FEATURE_1_BTI */
|
|||
|
|
#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0)
|
|||
|
|
|
|||
|
|
#endif /* _UAPI_LINUX_ELF_H */
|