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This regset allows read/write access to a ptraced process prctl(PR_SET_TAGGED_ADDR_CTRL) setting. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Alan Hayward <Alan.Hayward@arm.com> Cc: Luis Machado <luis.machado@linaro.org> Cc: Omair Javaid <omair.javaid@linaro.org>
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
#ifndef _UAPI_LINUX_ELF_H | |
#define _UAPI_LINUX_ELF_H | |
#include <linux/types.h> | |
#include <linux/elf-em.h> | |
/* 32-bit ELF base types. */ | |
typedef __u32 Elf32_Addr; | |
typedef __u16 Elf32_Half; | |
typedef __u32 Elf32_Off; | |
typedef __s32 Elf32_Sword; | |
typedef __u32 Elf32_Word; | |
/* 64-bit ELF base types. */ | |
typedef __u64 Elf64_Addr; | |
typedef __u16 Elf64_Half; | |
typedef __s16 Elf64_SHalf; | |
typedef __u64 Elf64_Off; | |
typedef __s32 Elf64_Sword; | |
typedef __u32 Elf64_Word; | |
typedef __u64 Elf64_Xword; | |
typedef __s64 Elf64_Sxword; | |
/* These constants are for the segment types stored in the image headers */ | |
#define PT_NULL 0 | |
#define PT_LOAD 1 | |
#define PT_DYNAMIC 2 | |
#define PT_INTERP 3 | |
#define PT_NOTE 4 | |
#define PT_SHLIB 5 | |
#define PT_PHDR 6 | |
#define PT_TLS 7 /* Thread local storage segment */ | |
#define PT_LOOS 0x60000000 /* OS-specific */ | |
#define PT_HIOS 0x6fffffff /* OS-specific */ | |
#define PT_LOPROC 0x70000000 | |
#define PT_HIPROC 0x7fffffff | |
#define PT_GNU_EH_FRAME 0x6474e550 | |
#define PT_GNU_PROPERTY 0x6474e553 | |
#define PT_GNU_STACK (PT_LOOS + 0x474e551) | |
/* | |
* Extended Numbering | |
* | |
* If the real number of program header table entries is larger than | |
* or equal to PN_XNUM(0xffff), it is set to sh_info field of the | |
* section header at index 0, and PN_XNUM is set to e_phnum | |
* field. Otherwise, the section header at index 0 is zero | |
* initialized, if it exists. | |
* | |
* Specifications are available in: | |
* | |
* - Oracle: Linker and Libraries. | |
* Part No: 817–1984–19, August 2011. | |
* https://docs.oracle.com/cd/E18752_01/pdf/817-1984.pdf | |
* | |
* - System V ABI AMD64 Architecture Processor Supplement | |
* Draft Version 0.99.4, | |
* January 13, 2010. | |
* http://www.cs.washington.edu/education/courses/cse351/12wi/supp-docs/abi.pdf | |
*/ | |
#define PN_XNUM 0xffff | |
/* These constants define the different elf file types */ | |
#define ET_NONE 0 | |
#define ET_REL 1 | |
#define ET_EXEC 2 | |
#define ET_DYN 3 | |
#define ET_CORE 4 | |
#define ET_LOPROC 0xff00 | |
#define ET_HIPROC 0xffff | |
/* This is the info that is needed to parse the dynamic section of the file */ | |
#define DT_NULL 0 | |
#define DT_NEEDED 1 | |
#define DT_PLTRELSZ 2 | |
#define DT_PLTGOT 3 | |
#define DT_HASH 4 | |
#define DT_STRTAB 5 | |
#define DT_SYMTAB 6 | |
#define DT_RELA 7 | |
#define DT_RELASZ 8 | |
#define DT_RELAENT 9 | |
#define DT_STRSZ 10 | |
#define DT_SYMENT 11 | |
#define DT_INIT 12 | |
#define DT_FINI 13 | |
#define DT_SONAME 14 | |
#define DT_RPATH 15 | |
#define DT_SYMBOLIC 16 | |
#define DT_REL 17 | |
#define DT_RELSZ 18 | |
#define DT_RELENT 19 | |
#define DT_PLTREL 20 | |
#define DT_DEBUG 21 | |
#define DT_TEXTREL 22 | |
#define DT_JMPREL 23 | |
#define DT_ENCODING 32 | |
#define OLD_DT_LOOS 0x60000000 | |
#define DT_LOOS 0x6000000d | |
#define DT_HIOS 0x6ffff000 | |
#define DT_VALRNGLO 0x6ffffd00 | |
#define DT_VALRNGHI 0x6ffffdff | |
#define DT_ADDRRNGLO 0x6ffffe00 | |
#define DT_ADDRRNGHI 0x6ffffeff | |
#define DT_VERSYM 0x6ffffff0 | |
#define DT_RELACOUNT 0x6ffffff9 | |
#define DT_RELCOUNT 0x6ffffffa | |
#define DT_FLAGS_1 0x6ffffffb | |
#define DT_VERDEF 0x6ffffffc | |
#define DT_VERDEFNUM 0x6ffffffd | |
#define DT_VERNEED 0x6ffffffe | |
#define DT_VERNEEDNUM 0x6fffffff | |
#define OLD_DT_HIOS 0x6fffffff | |
#define DT_LOPROC 0x70000000 | |
#define DT_HIPROC 0x7fffffff | |
/* This info is needed when parsing the symbol table */ | |
#define STB_LOCAL 0 | |
#define STB_GLOBAL 1 | |
#define STB_WEAK 2 | |
#define STT_NOTYPE 0 | |
#define STT_OBJECT 1 | |
#define STT_FUNC 2 | |
#define STT_SECTION 3 | |
#define STT_FILE 4 | |
#define STT_COMMON 5 | |
#define STT_TLS 6 | |
#define ELF_ST_BIND(x) ((x) >> 4) | |
#define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf) | |
#define ELF32_ST_BIND(x) ELF_ST_BIND(x) | |
#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x) | |
#define ELF64_ST_BIND(x) ELF_ST_BIND(x) | |
#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x) | |
typedef struct dynamic{ | |
Elf32_Sword d_tag; | |
union{ | |
Elf32_Sword d_val; | |
Elf32_Addr d_ptr; | |
} d_un; | |
} Elf32_Dyn; | |
typedef struct { | |
Elf64_Sxword d_tag; /* entry tag value */ | |
union { | |
Elf64_Xword d_val; | |
Elf64_Addr d_ptr; | |
} d_un; | |
} Elf64_Dyn; | |
/* The following are used with relocations */ | |
#define ELF32_R_SYM(x) ((x) >> 8) | |
#define ELF32_R_TYPE(x) ((x) & 0xff) | |
#define ELF64_R_SYM(i) ((i) >> 32) | |
#define ELF64_R_TYPE(i) ((i) & 0xffffffff) | |
typedef struct elf32_rel { | |
Elf32_Addr r_offset; | |
Elf32_Word r_info; | |
} Elf32_Rel; | |
typedef struct elf64_rel { | |
Elf64_Addr r_offset; /* Location at which to apply the action */ | |
Elf64_Xword r_info; /* index and type of relocation */ | |
} Elf64_Rel; | |
typedef struct elf32_rela{ | |
Elf32_Addr r_offset; | |
Elf32_Word r_info; | |
Elf32_Sword r_addend; | |
} Elf32_Rela; | |
typedef struct elf64_rela { | |
Elf64_Addr r_offset; /* Location at which to apply the action */ | |
Elf64_Xword r_info; /* index and type of relocation */ | |
Elf64_Sxword r_addend; /* Constant addend used to compute value */ | |
} Elf64_Rela; | |
typedef struct elf32_sym{ | |
Elf32_Word st_name; | |
Elf32_Addr st_value; | |
Elf32_Word st_size; | |
unsigned char st_info; | |
unsigned char st_other; | |
Elf32_Half st_shndx; | |
} Elf32_Sym; | |
typedef struct elf64_sym { | |
Elf64_Word st_name; /* Symbol name, index in string tbl */ | |
unsigned char st_info; /* Type and binding attributes */ | |
unsigned char st_other; /* No defined meaning, 0 */ | |
Elf64_Half st_shndx; /* Associated section index */ | |
Elf64_Addr st_value; /* Value of the symbol */ | |
Elf64_Xword st_size; /* Associated symbol size */ | |
} Elf64_Sym; | |
#define EI_NIDENT 16 | |
typedef struct elf32_hdr{ | |
unsigned char e_ident[EI_NIDENT]; | |
Elf32_Half e_type; | |
Elf32_Half e_machine; | |
Elf32_Word e_version; | |
Elf32_Addr e_entry; /* Entry point */ | |
Elf32_Off e_phoff; | |
Elf32_Off e_shoff; | |
Elf32_Word e_flags; | |
Elf32_Half e_ehsize; | |
Elf32_Half e_phentsize; | |
Elf32_Half e_phnum; | |
Elf32_Half e_shentsize; | |
Elf32_Half e_shnum; | |
Elf32_Half e_shstrndx; | |
} Elf32_Ehdr; | |
typedef struct elf64_hdr { | |
unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */ | |
Elf64_Half e_type; | |
Elf64_Half e_machine; | |
Elf64_Word e_version; | |
Elf64_Addr e_entry; /* Entry point virtual address */ | |
Elf64_Off e_phoff; /* Program header table file offset */ | |
Elf64_Off e_shoff; /* Section header table file offset */ | |
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; | |
} Elf64_Ehdr; | |
/* These constants define the permissions on sections in the program | |
header, p_flags. */ | |
#define PF_R 0x4 | |
#define PF_W 0x2 | |
#define PF_X 0x1 | |
typedef struct elf32_phdr{ | |
Elf32_Word p_type; | |
Elf32_Off p_offset; | |
Elf32_Addr p_vaddr; | |
Elf32_Addr p_paddr; | |
Elf32_Word p_filesz; | |
Elf32_Word p_memsz; | |
Elf32_Word p_flags; | |
Elf32_Word p_align; | |
} Elf32_Phdr; | |
typedef struct elf64_phdr { | |
Elf64_Word p_type; | |
Elf64_Word p_flags; | |
Elf64_Off p_offset; /* Segment file offset */ | |
Elf64_Addr p_vaddr; /* Segment virtual address */ | |
Elf64_Addr p_paddr; /* Segment physical address */ | |
Elf64_Xword p_filesz; /* Segment size in file */ | |
Elf64_Xword p_memsz; /* Segment size in memory */ | |
Elf64_Xword p_align; /* Segment alignment, file & memory */ | |
} Elf64_Phdr; | |
/* sh_type */ | |
#define SHT_NULL 0 | |
#define SHT_PROGBITS 1 | |
#define SHT_SYMTAB 2 | |
#define SHT_STRTAB 3 | |
#define SHT_RELA 4 | |
#define SHT_HASH 5 | |
#define SHT_DYNAMIC 6 | |
#define SHT_NOTE 7 | |
#define SHT_NOBITS 8 | |
#define SHT_REL 9 | |
#define SHT_SHLIB 10 | |
#define SHT_DYNSYM 11 | |
#define SHT_NUM 12 | |
#define SHT_LOPROC 0x70000000 | |
#define SHT_HIPROC 0x7fffffff | |
#define SHT_LOUSER 0x80000000 | |
#define SHT_HIUSER 0xffffffff | |
/* sh_flags */ | |
#define SHF_WRITE 0x1 | |
#define SHF_ALLOC 0x2 | |
#define SHF_EXECINSTR 0x4 | |
#define SHF_RELA_LIVEPATCH 0x00100000 | |
#define SHF_RO_AFTER_INIT 0x00200000 | |
#define SHF_MASKPROC 0xf0000000 | |
/* special section indexes */ | |
#define SHN_UNDEF 0 | |
#define SHN_LORESERVE 0xff00 | |
#define SHN_LOPROC 0xff00 | |
#define SHN_HIPROC 0xff1f | |
#define SHN_LIVEPATCH 0xff20 | |
#define SHN_ABS 0xfff1 | |
#define SHN_COMMON 0xfff2 | |
#define SHN_HIRESERVE 0xffff | |
typedef struct elf32_shdr { | |
Elf32_Word sh_name; | |
Elf32_Word sh_type; | |
Elf32_Word sh_flags; | |
Elf32_Addr sh_addr; | |
Elf32_Off sh_offset; | |
Elf32_Word sh_size; | |
Elf32_Word sh_link; | |
Elf32_Word sh_info; | |
Elf32_Word sh_addralign; | |
Elf32_Word sh_entsize; | |
} Elf32_Shdr; | |
typedef struct elf64_shdr { | |
Elf64_Word sh_name; /* Section name, index in string tbl */ | |
Elf64_Word sh_type; /* Type of section */ | |
Elf64_Xword sh_flags; /* Miscellaneous section attributes */ | |
Elf64_Addr sh_addr; /* Section virtual addr at execution */ | |
Elf64_Off sh_offset; /* Section file offset */ | |
Elf64_Xword sh_size; /* Size of section in bytes */ | |
Elf64_Word sh_link; /* Index of another section */ | |
Elf64_Word sh_info; /* Additional section information */ | |
Elf64_Xword sh_addralign; /* Section alignment */ | |
Elf64_Xword sh_entsize; /* Entry size if section holds table */ | |
} Elf64_Shdr; | |
#define EI_MAG0 0 /* e_ident[] indexes */ | |
#define EI_MAG1 1 | |
#define EI_MAG2 2 | |
#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_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_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 */ | |
/* 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 */ |