diff options
Diffstat (limited to 'cpukit/include/sys/exec_elf.h')
| -rw-r--r-- | cpukit/include/sys/exec_elf.h | 840 |
1 files changed, 608 insertions, 232 deletions
diff --git a/cpukit/include/sys/exec_elf.h b/cpukit/include/sys/exec_elf.h index 4242415f54..dc56237f16 100644 --- a/cpukit/include/sys/exec_elf.h +++ b/cpukit/include/sys/exec_elf.h @@ -1,4 +1,4 @@ -/* $NetBSD: exec_elf.h,v 1.102 2010/03/01 11:27:29 skrll Exp $ */ +/* $NetBSD: exec_elf.h,v 1.168 2020/10/19 19:33:02 christos Exp $ */ /*- * Copyright (c) 1994 The NetBSD Foundation, Inc. @@ -44,6 +44,7 @@ #include <sys/types.h> #else #include <inttypes.h> +#include <stddef.h> #endif /* _KERNEL || _STANDALONE */ #if defined(ELFSIZE) @@ -60,49 +61,41 @@ #include <machine/elf_machdep.h> #endif -typedef uint8_t Elf_Byte; - -typedef uint32_t Elf32_Addr; -#define ELF32_FSZ_ADDR 4 -typedef uint32_t Elf32_Off; -typedef int32_t Elf32_SOff; -#define ELF32_FSZ_OFF 4 -typedef int32_t Elf32_Sword; -#define ELF32_FSZ_SWORD 4 -typedef uint32_t Elf32_Word; -#define ELF32_FSZ_WORD 4 -typedef uint16_t Elf32_Half; -#define ELF32_FSZ_HALF 2 -typedef uint64_t Elf32_Lword; -#define ELF32_FSZ_LWORD 8 - -typedef uint64_t Elf64_Addr; -#define ELF64_FSZ_ADDR 8 -typedef uint64_t Elf64_Off; -typedef int64_t Elf64_SOff; -#define ELF64_FSZ_OFF 8 -typedef int32_t Elf64_Shalf; -#define ELF64_FSZ_SHALF 4 - -#ifndef ELF64_FSZ_SWORD -typedef int32_t Elf64_Sword; -#define ELF64_FSZ_SWORD 4 -#endif /* ELF64_FSZ_SWORD */ -#ifndef ELF64_FSZ_WORD -typedef uint32_t Elf64_Word; -#define ELF64_FSZ_WORD 4 -#endif /* ELF64_FSZ_WORD */ - -typedef int64_t Elf64_Sxword; -#define ELF64_FSZ_SXWORD 8 -typedef uint64_t Elf64_Xword; -#define ELF64_FSZ_XWORD 8 -typedef uint64_t Elf64_Lword; -#define ELF64_FSZ_LWORD 8 -typedef uint32_t Elf64_Half; -#define ELF64_FSZ_HALF 4 -typedef uint16_t Elf64_Quarter; -#define ELF64_FSZ_QUARTER 2 +typedef uint8_t Elf_Byte; + +typedef uint32_t Elf32_Addr; +#define ELF32_FSZ_ADDR 4 +typedef uint32_t Elf32_Off; +typedef int32_t Elf32_SOff; +#define ELF32_FSZ_OFF 4 +typedef int32_t Elf32_Sword; +#define ELF32_FSZ_SWORD 4 +typedef uint32_t Elf32_Word; +#define ELF32_FSZ_WORD 4 +typedef uint16_t Elf32_Half; +#define ELF32_FSZ_HALF 2 +typedef uint64_t Elf32_Lword; +#define ELF32_FSZ_LWORD 8 + +typedef uint64_t Elf64_Addr; +#define ELF64_FSZ_ADDR 8 +typedef uint64_t Elf64_Off; +typedef int64_t Elf64_SOff; +#define ELF64_FSZ_OFF 8 + +typedef int32_t Elf64_Sword; +#define ELF64_FSZ_SWORD 4 +typedef uint32_t Elf64_Word; +#define ELF64_FSZ_WORD 4 + +typedef int64_t Elf64_Sxword; +#define ELF64_FSZ_SXWORD 8 +typedef uint64_t Elf64_Xword; +#define ELF64_FSZ_XWORD 8 +typedef uint64_t Elf64_Lword; +#define ELF64_FSZ_LWORD 8 +typedef uint16_t Elf64_Half; +#define ELF64_FSZ_HALF 2 /* * ELF Header @@ -118,29 +111,29 @@ typedef struct { Elf32_Off e_phoff; /* Program hdr offset */ Elf32_Off e_shoff; /* Section hdr offset */ Elf32_Word e_flags; /* Processor flags */ - Elf32_Half e_ehsize; /* sizeof ehdr */ - Elf32_Half e_phentsize; /* Program header entry size */ - Elf32_Half e_phnum; /* Number of program headers */ - Elf32_Half e_shentsize; /* Section header entry size */ - Elf32_Half e_shnum; /* Number of section headers */ - Elf32_Half e_shstrndx; /* String table index */ + Elf32_Half e_ehsize; /* sizeof ehdr */ + Elf32_Half e_phentsize; /* Program header entry size */ + Elf32_Half e_phnum; /* Number of program headers */ + Elf32_Half e_shentsize; /* Section header entry size */ + Elf32_Half e_shnum; /* Number of section headers */ + Elf32_Half e_shstrndx; /* String table index */ } Elf32_Ehdr; typedef struct { unsigned char e_ident[ELF_NIDENT]; /* Id bytes */ - Elf64_Quarter e_type; /* file type */ - Elf64_Quarter e_machine; /* machine type */ - Elf64_Half e_version; /* version number */ + Elf64_Half e_type; /* file type */ + Elf64_Half e_machine; /* machine type */ + Elf64_Word e_version; /* version number */ Elf64_Addr e_entry; /* entry point */ Elf64_Off e_phoff; /* Program hdr offset */ Elf64_Off e_shoff; /* Section hdr offset */ - Elf64_Half e_flags; /* Processor flags */ - Elf64_Quarter e_ehsize; /* sizeof ehdr */ - Elf64_Quarter e_phentsize; /* Program header entry size */ - Elf64_Quarter e_phnum; /* Number of program headers */ - Elf64_Quarter e_shentsize; /* Section header entry size */ - Elf64_Quarter e_shnum; /* Number of section headers */ - Elf64_Quarter e_shstrndx; /* String table index */ + Elf64_Word e_flags; /* Processor flags */ + Elf64_Half e_ehsize; /* sizeof ehdr */ + Elf64_Half e_phentsize; /* Program header entry size */ + Elf64_Half e_phnum; /* Number of program headers */ + Elf64_Half e_shentsize; /* Section header entry size */ + Elf64_Half e_shnum; /* Number of section headers */ + Elf64_Half e_shstrndx; /* String table index */ } Elf64_Ehdr; /* e_ident offsets */ @@ -184,11 +177,11 @@ typedef struct { #define ELFOSABI_SYSV 0 /* UNIX System V ABI */ #define ELFOSABI_HPUX 1 /* HP-UX operating system */ #define ELFOSABI_NETBSD 2 /* NetBSD */ -#define ELFOSABI_LINUX 3 /* GNU/Linux */ -#define ELFOSABI_HURD 4 /* GNU/Hurd */ -#define ELFOSABI_86OPEN 5 /* 86Open */ +#define ELFOSABI_GNU 3 /* GNU/Linux */ +#define ELFOSABI_HURD 4 /* GNU/Hurd - historical */ +#define ELFOSABI_86OPEN 5 /* 86Open - historical */ #define ELFOSABI_SOLARIS 6 /* Solaris */ -#define ELFOSABI_MONTEREY 7 /* Monterey */ +#define ELFOSABI_AIX 7 /* AIX */ #define ELFOSABI_IRIX 8 /* IRIX */ #define ELFOSABI_FREEBSD 9 /* FreeBSD */ #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ @@ -197,12 +190,18 @@ typedef struct { #define ELFOSABI_OPENVMS 13 /* OpenVMS */ #define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */ #define ELFOSABI_AROS 15 /* Amiga Research OS */ +#define ELFOSABI_FENIXOS 16 /* The FenixOS highly scalable multi-core OS */ +#define ELFOSABI_CLOUDABI 17 /* Nuxi CloudABI */ +#define ELFOSABI_OPENVOS 18 /* Stratus Technologies OpenVOS */ /* Unofficial OSABIs follow */ #define ELFOSABI_ARM 97 /* ARM */ #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ #define ELFOSABI_NONE ELFOSABI_SYSV -#define ELFOSABI_AIX ELFOSABI_MONTEREY + +/* Historical aliases. */ +#define ELFOSABI_LINUX ELFOSABI_GNU +#define ELFOSABI_MONTEREY ELFOSABI_AIX /* e_type */ #define ET_NONE 0 /* No file type */ @@ -224,7 +223,8 @@ typedef struct { #define EM_386 3 /* Intel 80386 */ #define EM_68K 4 /* Motorola 68000 */ #define EM_88K 5 /* Motorola 88000 */ -#define EM_486 6 /* Intel 80486 */ +#define EM_486 6 /* Intel 80486 [old] */ +#define EM_IAMCU 6 /* Intel MCU. */ #define EM_860 7 /* Intel 80860 */ #define EM_MIPS 8 /* MIPS I Architecture */ #define EM_S370 9 /* Amdahl UTS on System/370 */ @@ -238,14 +238,15 @@ typedef struct { #define EM_960 19 /* Intel 80960 */ #define EM_PPC 20 /* PowerPC */ #define EM_PPC64 21 /* 64-bit PowerPC */ - /* 22-35 - Reserved */ -#define EM_S390 22 /* System/390 XXX reserved */ +#define EM_S390 22 /* IBM System/390 Processor */ +#define EM_SPU 23 /* IBM SPU/SPC */ + /* 24-35 - Reserved */ #define EM_V800 36 /* NEC V800 */ #define EM_FR20 37 /* Fujitsu FR20 */ #define EM_RH32 38 /* TRW RH-32 */ #define EM_RCE 39 /* Motorola RCE */ #define EM_ARM 40 /* Advanced RISC Machines ARM */ -#define EM_ALPHA 41 /* DIGITAL Alpha */ +#define EM_OLD_ALPHA 41 /* DIGITAL Alpha (obsolete) */ #define EM_SH 42 /* Hitachi Super-H */ #define EM_SPARCV9 43 /* SPARC Version 9 */ #define EM_TRICORE 44 /* Siemens Tricore */ @@ -296,7 +297,8 @@ typedef struct { #define EM_MN10300 89 /* Matsushita MN10300 */ #define EM_MN10200 90 /* Matsushita MN10200 */ #define EM_PJ 91 /* picoJava */ -#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ +#define EM_OR1K 92 /* OpenRISC 32-bit embedded processor */ +#define EM_OPENRISC EM_OR1K #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */ @@ -318,19 +320,96 @@ typedef struct { #define EM_EXCESS 111 /* eXcess: 16/32/64-bit configurable embedded CPU */ #define EM_DXP 112 /* Icera Semiconductor Inc. Deep Execution Processor */ #define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */ -#define EM_CRX 114 /* National Semiconductor CRX */ +#define EM_CRX 114 /* National Semiconductor CompactRISC CRX microprocessor */ #define EM_XGATE 115 /* Motorola XGATE embedded processor */ #define EM_C166 116 /* Infineon C16x/XC16x processor */ #define EM_M16C 117 /* Renesas M16C series microprocessors */ #define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F Digital Signal Controller */ #define EM_CE 119 /* Freescale Communication Engine RISC core */ #define EM_M32C 120 /* Renesas M32C series microprocessors */ - -#define EM_LATTICEMICO32 138 /* RICS processor for Lattice FPGA architecture */ - -#define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ - -#define EM_MOXIE 0xFEED + /* 121-130 - Reserved */ +#define EM_TSK3000 131 /* Altium TSK3000 core */ +#define EM_RS08 132 /* Freescale RS08 embedded processor */ +#define EM_SHARC 133 /* Analog Devices SHARC family of 32-bit DSP processors */ +#define EM_ECOG2 134 /* Cyan Technology eCOG2 microprocessor */ +#define EM_SCORE7 135 /* Sunplus S+core7 RISC processor */ +#define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP Processor */ +#define EM_VIDEOCORE3 137 /* Broadcom VideoCore III processor */ +#define EM_LATTICEMICO32 138 /* RISC processor for Lattice FPGA architecture */ +#define EM_SE_C17 139 /* Seiko Epson C17 family */ +#define EM_TI_C6000 140 /* The Texas Instruments TMS320C6000 DSP family */ +#define EM_TI_C2000 141 /* The Texas Instruments TMS320C2000 DSP family */ +#define EM_TI_C5500 142 /* The Texas Instruments TMS320C55x DSP family */ +#define EM_TI_ARP32 143 /* Texas Instruments Application Specific RISC Processor, 32bit fetch */ +#define EM_TI_PRU 144 /* Texas Instruments Programmable Realtime Unit */ + /* 145-159 - Reserved */ +#define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW Data Signal Processor */ +#define EM_CYPRESS_M8C 161 /* Cypress M8C microprocessor */ +#define EM_R32C 162 /* Renesas R32C series microprocessors */ +#define EM_TRIMEDIA 163 /* NXP Semiconductors TriMedia architecture family */ +#define EM_QDSP6 164 /* QUALCOMM DSP6 Processor */ +#define EM_8051 165 /* Intel 8051 and variants */ +#define EM_STXP7X 166 /* STMicroelectronics STxP7x family of configurable and extensible RISC processors */ +#define EM_NDS32 167 /* Andes Technology compact code size embedded RISC processor family */ +#define EM_ECOG1 168 /* Cyan Technology eCOG1X family */ +#define EM_ECOG1X 168 /* Cyan Technology eCOG1X family */ +#define EM_MAXQ30 169 /* Dallas Semiconductor MAXQ30 Core Micro-controllers */ +#define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP Processor */ +#define EM_MANIK 171 /* M2000 Reconfigurable RISC Microprocessor */ +#define EM_CRAYNV2 172 /* Cray Inc. NV2 vector architecture */ +#define EM_RX 173 /* Renesas RX family */ +#define EM_METAG 174 /* Imagination Technologies META processor architecture */ +#define EM_MCST_ELBRUS 175 /* MCST Elbrus general purpose hardware architecture */ +#define EM_ECOG16 176 /* Cyan Technology eCOG16 family */ +#define EM_CR16 177 /* National Semiconductor CompactRISC CR16 16-bit microprocessor */ +#define EM_ETPU 178 /* Freescale Extended Time Processing Unit */ +#define EM_SLE9X 179 /* Infineon Technologies SLE9X core */ +#define EM_L10M 180 /* Intel L10M */ +#define EM_K10M 181 /* Intel K10M */ + /* 182 - Reserved */ +#define EM_AARCH64 183 /* AArch64 64-bit ARM microprocessor */ + /* 184 - Reserved */ +//#define EM_AVR32 185 /* Atmel Corporation 32-bit microprocessor family*/ +#define EM_TILE64 187 /* Tilera TILE64 multicore architecture family */ +#define EM_TILEPRO 188 /* Tilera TILEPro multicore architecture family */ +#define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ +#define EM_CUDA 190 /* NVIDIA CUDA architecture */ +#define EM_TILEGX 191 /* Tilera TILE-GX multicore architecture family */ +#define EM_CLOUDSHIELD 192 /* CloudShield architecture family */ +#define EM_COREA_1ST 193 /* KIPO-KAIST Core-A 1st generation processor family */ +#define EM_COREA_2ND 194 /* KIPO-KAIST Core-A 2nd generation processor family */ +#define EM_ARC_COMPACT2 195 /* Synopsys ARCompact V2 */ +#define EM_OPEN8 196 /* Open8 8-bit RISC soft processor core */ +#define EM_RL78 197 /* Renesas RL78 family */ +#define EM_VIDEOCORE5 198 /* Broadcom VideoCore V processor */ +#define EM_78KOR 199 /* Renesas 78KOR family */ +#define EM_56800EX 200 /* Freescale 56800EX Digital Signal Controller (DSC) */ +#define EM_BA1 201 /* Beyond BA1 CPU architecture */ +#define EM_BA2 202 /* Beyond BA2 CPU architecture */ +#define EM_XCORE 203 /* XMOS xCORE processor family */ +#define EM_MCHP_PIC 204 /* Microchip 8-bit PIC(r) family */ +#define EM_INTEL205 205 /* Reserved by Intel */ +#define EM_INTEL206 206 /* Reserved by Intel */ +#define EM_INTEL207 207 /* Reserved by Intel */ +#define EM_INTEL208 208 /* Reserved by Intel */ +#define EM_INTEL209 209 /* Reserved by Intel */ +#define EM_KM32 210 /* KM211 KM32 32-bit processor */ +#define EM_KMX32 211 /* KM211 KMX32 32-bit processor */ +#define EM_KMX16 212 /* KM211 KMX16 16-bit processor */ +#define EM_KMX8 213 /* KM211 KMX8 8-bit processor */ +#define EM_KVARC 214 /* KM211 KVARC processor */ +#define EM_CDP 215 /* Paneve CDP architecture family */ +#define EM_COGE 216 /* Cognitive Smart Memory Processor */ +#define EM_COOL 217 /* Bluechip Systems CoolEngine */ +#define EM_NORC 218 /* Nanoradio Optimized RISC */ +#define EM_CSR_KALIMBA 219 /* CSR Kalimba architecture family */ +#define EM_Z80 220 /* Zilog Z80 */ +#define EM_VISIUM 221 /* Controls and Data Services VISIUMcore processor */ +#define EM_FT32 222 /* FTDI Chip FT32 high performance 32-bit RISC architecture */ +#define EM_MOXIE 223 /* Moxie processor family */ +#define EM_AMDGPU 224 /* AMD GPU architecture */ + /* 225-242 - Reserved */ +#define EM_RISCV 243 /* RISC-V */ /* Unofficial machine types follow */ #define EM_AVR32 6317 /* used by NetBSD/avr32 */ @@ -352,8 +431,8 @@ typedef struct { } Elf32_Phdr; typedef struct { - Elf64_Half p_type; /* entry type */ - Elf64_Half p_flags; /* flags */ + Elf64_Word p_type; /* entry type */ + Elf64_Word p_flags; /* flags */ Elf64_Off p_offset; /* offset */ Elf64_Addr p_vaddr; /* virtual address */ Elf64_Addr p_paddr; /* physical address */ @@ -370,14 +449,22 @@ typedef struct { #define PT_NOTE 4 /* Auxiliary information */ #define PT_SHLIB 5 /* Reserved, unspecified semantics */ #define PT_PHDR 6 /* Entry for header table itself */ -#define PT_NUM 7 +#define PT_TLS 7 /* TLS initialisation image */ +#define PT_NUM 8 + +#define PT_LOOS 0x60000000 /* OS-specific range */ -#define PT_LOOS 0x60000000 /* OS-specific range */ -#define PT_HIOS 0x6fffffff -#define PT_LOPROC 0x70000000 /* Processor-specific range */ -#define PT_HIPROC 0x7fffffff +/* GNU-specific */ +#define PT_GNU_EH_FRAME 0x6474e550 /* EH frame segment */ +#define PT_GNU_STACK 0x6474e551 /* Indicate executable stack */ +#define PT_GNU_RELRO 0x6474e552 /* Make read-only after relocation */ + +#define PT_HIOS 0x6fffffff +#define PT_LOPROC 0x70000000 /* Processor-specific range */ +#define PT_HIPROC 0x7fffffff #define PT_MIPS_REGINFO 0x70000000 +#define PT_MIPS_ABIFLAGS 0x70000003 /* p_flags */ #define PF_R 0x4 /* Segment is readable */ @@ -407,66 +494,91 @@ typedef struct { } Elf32_Shdr; typedef struct { - Elf64_Half sh_name; /* section name (.shstrtab index) */ - Elf64_Half sh_type; /* section type */ + Elf64_Word sh_name; /* section name (.shstrtab index) */ + Elf64_Word sh_type; /* section type */ Elf64_Xword sh_flags; /* section flags */ Elf64_Addr sh_addr; /* virtual address */ Elf64_Off sh_offset; /* file offset */ Elf64_Xword sh_size; /* section size */ - Elf64_Half sh_link; /* link to another */ - Elf64_Half sh_info; /* misc info */ + Elf64_Word sh_link; /* link to another */ + Elf64_Word sh_info; /* misc info */ Elf64_Xword sh_addralign; /* memory alignment */ Elf64_Xword sh_entsize; /* table entry size */ } Elf64_Shdr; /* sh_type */ -#define SHT_NULL 0 /* Section header table entry unused */ -#define SHT_PROGBITS 1 /* Program information */ -#define SHT_SYMTAB 2 /* Symbol table */ -#define SHT_STRTAB 3 /* String table */ -#define SHT_RELA 4 /* Relocation information w/ addend */ -#define SHT_HASH 5 /* Symbol hash table */ -#define SHT_DYNAMIC 6 /* Dynamic linking information */ -#define SHT_NOTE 7 /* Auxiliary information */ -#define SHT_NOBITS 8 /* No space allocated in file image */ -#define SHT_REL 9 /* Relocation information w/o addend */ -#define SHT_SHLIB 10 /* Reserved, unspecified semantics */ -#define SHT_DYNSYM 11 /* Symbol table for dynamic linker */ -#define SHT_INIT_ARRAY 14 /* Initialization function pointers */ -#define SHT_FINI_ARRAY 15 /* Termination function pointers */ -#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs */ -#define SHT_GROUP 17 /* Section group */ -#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX) */ -#define SHT_NUM 19 - -#define SHT_LOOS 0x60000000 /* Operating system specific range */ -#define SHT_SUNW_move 0x6ffffffa -#define SHT_SUNW_syminfo 0x6ffffffc -#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ -#define SHT_GNU_verdef SHT_SUNW_verdef -#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ -#define SHT_GNU_verneed SHT_SUNW_verneed -#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ -#define SHT_GNU_versym SHT_SUNW_versym -#define SHT_HIOS 0x6fffffff -#define SHT_LOPROC 0x70000000 /* Processor-specific range */ -#define SHT_AMD64_UNWIND 0x70000001 /* unwind information */ -#define SHT_HIPROC 0x7fffffff -#define SHT_LOUSER 0x80000000 /* Application-specific range */ -#define SHT_HIUSER 0xffffffff +#define SHT_NULL 0 /* Section header table entry unused */ +#define SHT_PROGBITS 1 /* Program information */ +#define SHT_SYMTAB 2 /* Symbol table */ +#define SHT_STRTAB 3 /* String table */ +#define SHT_RELA 4 /* Relocation information w/ addend */ +#define SHT_HASH 5 /* Symbol hash table */ +#define SHT_DYNAMIC 6 /* Dynamic linking information */ +#define SHT_NOTE 7 /* Auxiliary information */ +#define SHT_NOBITS 8 /* No space allocated in file image */ +#define SHT_REL 9 /* Relocation information w/o addend */ +#define SHT_SHLIB 10 /* Reserved, unspecified semantics */ +#define SHT_DYNSYM 11 /* Symbol table for dynamic linker */ +#define SHT_INIT_ARRAY 14 /* Initialization function pointers */ +#define SHT_FINI_ARRAY 15 /* Termination function pointers */ +#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs */ +#define SHT_GROUP 17 /* Section group */ +#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX) */ +#define SHT_NUM 19 + +#define SHT_LOOS 0x60000000 /* Operating system specific range */ +#define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* GNU incremental build data */ +#define SHT_LOSUNW 0x6ffffff4 +#define SHT_SUNW_dof 0x6ffffff4 +#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* GNU object attributes */ +#define SHT_SUNW_cap 0x6ffffff5 +#define SHT_SUNW_SIGNATURE 0x6ffffff6 +#define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */ +#define SHT_GNU_LIBLIST 0x6ffffff7 /* GNU list of prelink dependencies */ +#define SHT_SUNW_move 0x6ffffffa +#define SHT_SUNW_COMDAT 0x6ffffffb +#define SHT_SUNW_syminfo 0x6ffffffc +#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ +#define SHT_GNU_verdef SHT_SUNW_verdef +#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ +#define SHT_GNU_verneed SHT_SUNW_verneed +#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ +#define SHT_GNU_versym SHT_SUNW_versym +#define SHT_HISUNW 0x6fffffff +#define SHT_HIOS 0x6fffffff +#define SHT_LOPROC 0x70000000 /* Processor-specific range */ +#define SHT_AMD64_UNWIND 0x70000001 /* unwind information */ +#define SHT_ARM_EXIDX 0x70000001 /* exception index table */ +#define SHT_ARM_PREEMPTMAP 0x70000002 /* BPABI DLL dynamic linking + * pre-emption map */ +#define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility + * attributes */ +#define SHT_ARM_DEBUGOVERLAY 0x70000004 /* See DBGOVL for details */ +#define SHT_ARM_OVERLAYSECTION 0x70000005 +#define SHT_MIPS_REGINFO 0x70000006 +#define SHT_MIPS_OPTIONS 0x7000000d +#define SHT_MIPS_DWARF 0x7000001e /* MIPS gcc uses MIPS_DWARF */ +#define SHT_MIPS_XHASH 0x7000002b /* MIPS version of GNU_HASH */ +#define SHT_HIPROC 0x7fffffff +#define SHT_LOUSER 0x80000000 /* Application-specific range */ +#define SHT_HIUSER 0xffffffff /* sh_flags */ -#define SHF_WRITE 0x1 /* Section contains writable data */ -#define SHF_ALLOC 0x2 /* Section occupies memory */ -#define SHF_EXECINSTR 0x4 /* Section contains executable insns */ -#define SHF_MERGE 0x10 /* Section contains data that can be merged */ -#define SHF_STRINGS 0x20 /* Section contains null-terminated strings */ -#define SHF_INFO_LINK 0x40 /* Section header's sh_info holds table index */ -#define SHF_LINK_ORDER 0x80 /* Section has special ordering requirements */ - -#define SHF_MASKOS 0x0f000000 /* Operating system specific values */ -#define SHF_MASKPROC 0xf0000000 /* Processor-specific values */ - +#define SHF_WRITE 0x00000001 /* Contains writable data */ +#define SHF_ALLOC 0x00000002 /* Occupies memory */ +#define SHF_EXECINSTR 0x00000004 /* Contains executable insns */ +#define SHF_MERGE 0x00000010 /* Might be merged */ +#define SHF_STRINGS 0x00000020 /* Contains nul terminated strings */ +#define SHF_INFO_LINK 0x00000040 /* "sh_info" contains SHT index */ +#define SHF_LINK_ORDER 0x00000080 /* Preserve order after combining */ +#define SHF_OS_NONCONFORMING 0x00000100 /* OS specific handling required */ +#define SHF_GROUP 0x00000200 /* Is member of a group */ +#define SHF_TLS 0x00000400 /* Holds thread-local data */ +#define SHF_MASKOS 0x0ff00000 /* Operating system specific values */ +#define SHF_MASKPROC 0xf0000000 /* Processor-specific values */ +#define SHF_ORDERED 0x40000000 /* Ordering requirement (Solaris) */ +#define SHF_EXCLUDE 0x80000000 /* Excluded unless unles ref/alloc + (Solaris).*/ /* * Symbol Table */ @@ -480,10 +592,10 @@ typedef struct { } Elf32_Sym; typedef struct { - Elf64_Half st_name; /* Symbol name (.strtab index) */ + Elf64_Word st_name; /* Symbol name (.strtab index) */ Elf_Byte st_info; /* type / binding attrs */ Elf_Byte st_other; /* unused */ - Elf64_Quarter st_shndx; /* section index of symbol */ + Elf64_Half st_shndx; /* section index of symbol */ Elf64_Addr st_value; /* value of symbol */ Elf64_Xword st_size; /* size of symbol */ } Elf64_Sym; @@ -515,6 +627,7 @@ typedef struct { #define STT_NUM 7 #define STT_LOOS 10 /* Operating system specific range */ +#define STT_GNU_IFUNC 10 /* GNU extension: indirect function */ #define STT_HIOS 12 #define STT_LOPROC 13 /* Processor-specific range */ #define STT_HIPROC 15 @@ -610,8 +723,8 @@ typedef struct { Elf64_Lword m_value; /* symbol value */ Elf64_Xword m_info; /* size + index */ Elf64_Xword m_poffset; /* symbol offset */ - Elf64_Half m_repeat; /* repeat count */ - Elf64_Half m_stride; /* stride info */ + Elf64_Word m_repeat; /* repeat count */ + Elf64_Word m_stride; /* stride info */ } Elf64_Move; #define ELF64_M_SYM(info) ((info) >> 8) @@ -686,9 +799,15 @@ typedef struct { #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */ #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */ #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/ -#define DT_NUM 29 +#define DT_RUNPATH 29 /* overrides DT_RPATH */ +#define DT_FLAGS 30 /* Encodes ORIGIN, SYMBOLIC, TEXTREL, BIND_NOW, STATIC_TLS */ +#define DT_ENCODING 31 /* ??? */ +#define DT_PREINIT_ARRAY 32 /* Address of pre-init function array */ +#define DT_PREINIT_ARRAYSZ 33 /* Size, in bytes, of DT_PREINIT_ARRAY array */ +#define DT_NUM 34 #define DT_LOOS 0x60000000 /* Operating system specific range */ +#define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table */ #define DT_VERSYM 0x6ffffff0 /* Symbol versions */ #define DT_FLAGS_1 0x6ffffffb /* ELF dynamic flags */ #define DT_VERDEF 0x6ffffffc /* Versions defined by file */ @@ -697,10 +816,44 @@ typedef struct { #define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */ #define DT_HIOS 0x6fffffff #define DT_LOPROC 0x70000000 /* Processor-specific range */ +#define DT_MIPS_XHASH 0x70000036 /* MIPS version of GNU_HASH */ #define DT_HIPROC 0x7fffffff -/* Flag values for DT_FLAGS_1 (incomplete) */ -#define DF_1_INITFIRST 0x00000020 /* Object's init/fini take priority */ +/* Flag values for DT_FLAGS */ +#define DF_ORIGIN 0x00000001 /* uses $ORIGIN */ +#define DF_SYMBOLIC 0x00000002 /* */ +#define DF_TEXTREL 0x00000004 /* */ +#define DF_BIND_NOW 0x00000008 /* */ +#define DF_STATIC_TLS 0x00000010 /* */ + +/* Flag values for DT_FLAGS_1 */ +#define DF_1_NOW 0x00000001 /* Same as DF_BIND_NOW */ +#define DF_1_GLOBAL 0x00000002 /* Unused */ +#define DF_1_GROUP 0x00000004 /* Is member of group */ +#define DF_1_NODELETE 0x00000008 /* Cannot be deleted from process */ +#define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filters */ +#define DF_1_INITFIRST 0x00000020 /* init/fini takes priority */ +#define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */ +#define DF_1_ORIGIN 0x00000080 /* Require $ORIGIN processing */ +#define DF_1_DIRECT 0x00000100 /* Enable direct bindings */ +#define DF_1_INTERPOSE 0x00000400 /* Is an interposer */ +#define DF_1_NODEFLIB 0x00000800 /* Ignore default library search path */ +#define DF_1_NODUMP 0x00001000 /* Cannot be dumped with dldump(3C) */ +#define DF_1_CONFALT 0x00002000 /* Configuration alternative */ +#define DF_1_ENDFILTEE 0x00004000 /* Filtee ends filter's search */ +#define DF_1_DISPRELDNE 0x00008000 /* Did displacement relocation */ +#define DF_1_DISPRELPND 0x00010000 /* Pending displacement relocation */ +#define DF_1_NODIRECT 0x00020000 /* Has non-direct bindings */ +#define DF_1_IGNMULDEF 0x00040000 /* Used internally */ +#define DF_1_NOKSYMS 0x00080000 /* Used internally */ +#define DF_1_NOHDR 0x00100000 /* Used internally */ +#define DF_1_EDITED 0x00200000 /* Has been modified since build */ +#define DF_1_NORELOC 0x00400000 /* Used internally */ +#define DF_1_SYMINTPOSE 0x00800000 /* Has individual symbol interposers */ +#define DF_1_GLOBAUDIT 0x01000000 /* Require global auditing */ +#define DF_1_SINGLETON 0x02000000 /* Has singleton symbols */ +#define DF_1_STUB 0x04000000 /* Stub */ +#define DF_1_PIE 0x08000000 /* Position Independent Executable */ /* * Auxiliary Vectors @@ -711,8 +864,8 @@ typedef struct { } Aux32Info; typedef struct { - Elf64_Half a_type; /* 32-bit id */ - Elf64_Xword a_v; /* 64-bit id */ + Elf64_Word a_type; /* 32-bit id */ + Elf64_Xword a_v; /* 64-bit id */ } Aux64Info; /* a_type */ @@ -729,6 +882,7 @@ typedef struct { #define AT_DCACHEBSIZE 10 /* Data cache block size */ #define AT_ICACHEBSIZE 11 /* Instruction cache block size */ #define AT_UCACHEBSIZE 12 /* Unified cache block size */ +#define AT_STACKBASE 13 /* Base address of the main thread */ /* Vendor specific */ #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */ @@ -756,6 +910,16 @@ typedef struct { #define AT_SUN_EXECNAME 2014 /* + * The header for GNU-style hash sections. + */ +typedef struct { + uint32_t gh_nbuckets; /* Number of hash buckets. */ + uint32_t gh_symndx; /* First visible symbol in .dynsym. */ + uint32_t gh_maskwords; /* #maskwords used in bloom filter. */ + uint32_t gh_shift2; /* Bloom filter shift count. */ +} Elf_GNU_Hash_Header; + +/* * Note Headers */ typedef struct { @@ -765,42 +929,155 @@ typedef struct { } Elf32_Nhdr; typedef struct { - Elf64_Half n_namesz; - Elf64_Half n_descsz; - Elf64_Half n_type; + Elf64_Word n_namesz; + Elf64_Word n_descsz; + Elf64_Word n_type; } Elf64_Nhdr; -#define ELF_NOTE_TYPE_ABI_TAG 1 +#define ELF_NOTE_GNU_NAMESZ 4 +#define ELF_NOTE_GNU_NAME "GNU\0" +/* + * GNU-specific note type: ABI tag + * name: GNU\0 + * namesz: 4 + * desc: + * word[0]: OS tag + * word[1]: major version + * word[2]: minor version + * word[3]: teeny version + * descsz: 16 + */ /* GNU-specific note name and description sizes */ -#define ELF_NOTE_ABI_NAMESZ 4 -#define ELF_NOTE_ABI_DESCSZ 16 -/* GNU-specific note name */ -#define ELF_NOTE_ABI_NAME "GNU\0" - +#define ELF_NOTE_TYPE_ABI_TAG 1 +#define ELF_NOTE_ABI_NAME ELF_NOTE_GNU_NAME +#define ELF_NOTE_ABI_NAMESZ ELF_NOTE_GNU_NAMESZ +#define ELF_NOTE_ABI_DESCSZ 16 /* GNU-specific OS/version value stuff */ -#define ELF_NOTE_ABI_OS_LINUX 0 -#define ELF_NOTE_ABI_OS_HURD 1 -#define ELF_NOTE_ABI_OS_SOLARIS 2 +#define ELF_NOTE_ABI_OS_LINUX 0 +#define ELF_NOTE_ABI_OS_HURD 1 +#define ELF_NOTE_ABI_OS_SOLARIS 2 +#define ELF_NOTE_ABI_OS_KFREEBSD 3 +#define ELF_NOTE_ABI_OS_KNETBSD 4 + +/* Old gcc style, under the ABI tag */ +#define ELF_NOTE_OGCC_NAMESZ 8 +#define ELF_NOTE_OGCC_NAME "01.01\0\0\0\0" +#define ELF_NOTE_OGCC_DESCSZ 0 + +/* + * GNU-specific note type: Hardware capabilities + * name: GNU\0 + * namesz: 4 + * desc: + * word[0]: Number of entries + * word[1]: Bitmask of enabled entries + * Followed by a byte id, and a NUL terminated string per entry + * descsz: variable + */ +#define ELF_NOTE_TYPE_GNU_HWCAP 2 -/* NetBSD-specific note type: Emulation name. desc is emul name string. */ -#define ELF_NOTE_TYPE_NETBSD_TAG 1 +/* + * GNU-specific note type: Build ID generated by ld + * name: GNU\0 + * desc: + * word[0..4] SHA1 [default] + * or + * word[0..3] md5 or uuid + * descsz: 16 or 20 + */ +#define ELF_NOTE_TYPE_GNU_BUILD_ID 3 + +/* SuSE-specific note type: ABI + * name: SuSE\0 + * namesz: 5 + * desc: + * half[0] = MMmm + * + * M = product major version + * m = product minor version + * descsz: 2 + */ +#define ELF_NOTE_TYPE_SUSE_TAG 1 +/* SuSE-specific note name and description sizes */ +#define ELF_NOTE_SUSE_NAMESZ 5 +#define ELF_NOTE_SUSE_DESCSZ 2 +/* SuSE-specific note name */ +#define ELF_NOTE_SUSE_NAME "SuSE\0" + +/* SuSE-specific note type: version + * name: SuSE\0\0\0\0 + * namesz: 8 + * desc: + * word[0] = VVTTMMmm + * + * V = version of following data + * T = product type: [box, sles, nld, whatever] + * M = product major version + * m = product minor version + * descsz: 8 + */ +#define ELF_NOTE_TYPE_SUSE_VERSION_TAG 0x45537553 /* SuSE in LE */ +/* SuSE-specific note name and description sizes */ +#define ELF_NOTE_SUSE_VERSION_NAMESZ 8 +#define ELF_NOTE_SUSE_VERSION_DESCSZ 8 +/* SuSE-specific note name */ +#define ELF_NOTE_SUSE_VERSION_NAME "SuSE\0\0\0\0" + +/* Go-specific note type: buildid + * name: Go\0\0 + * namesz: 4 + * desc: + * words[10] + * descsz: 40 + */ +#define ELF_NOTE_TYPE_GO_BUILDID_TAG 4 +#define ELF_NOTE_GO_BUILDID_NAMESZ 4 +#define ELF_NOTE_GO_BUILDID_DESCSZ 40 +#define ELF_NOTE_GO_BUILDID_NAME "Go\0\0" + +/* NetBSD-specific note type: NetBSD ABI version. + * name: NetBSD\0\0 + * namesz: 8 + * desc: + * word[0]: MMmmrrpp00 + * + * M = major version + * m = minor version + * r = release ["",A-Z,Z[A-Z] but numeric] + * p = patchlevel + * descsz: 4 + */ +#define ELF_NOTE_TYPE_NETBSD_TAG 1 /* NetBSD-specific note name and description sizes */ #define ELF_NOTE_NETBSD_NAMESZ 7 #define ELF_NOTE_NETBSD_DESCSZ 4 /* NetBSD-specific note name */ -#define ELF_NOTE_NETBSD_NAME "NetBSD\0\0" - -/* NetBSD-specific note type: Checksum. There should be 1 NOTE per PT_LOAD - section. desc is a tuple of <phnum>(16),<chk-type>(16),<chk-value>. */ -#define ELF_NOTE_TYPE_CHECKSUM_TAG 2 -#define ELF_NOTE_CHECKSUM_CRC32 1 -#define ELF_NOTE_CHECKSUM_MD5 2 -#define ELF_NOTE_CHECKSUM_SHA1 3 -#define ELF_NOTE_CHECKSUM_SHA256 4 - -/* NetBSD-specific note type: PaX. There should be 1 NOTE per executable. - section. desc is a 32 bit bitmask */ +#define ELF_NOTE_NETBSD_NAME "NetBSD\0\0" + +/* NetBSD-specific note type: Emulation (obsolete; last used early 2000) + * name: NetBSD\0\0 + * namesz: 8 + * desc: + * "netbsd\0" + * + * descsz: 8 + */ +#define ELF_NOTE_TYPE_NETBSD_EMUL_TAG 2 +#define ELF_NOTE_NETBSD_EMUL_NAMESZ 7 +#define ELF_NOTE_NETBSD_EMUL_DESCSZ 7 +/* NetBSD-specific note name */ +#define ELF_NOTE_NETBSD_EMUL_NAME "NetBSD\0\0" + +/* + * NetBSD-specific note type: PaX. + * There should be 1 NOTE per executable. + * name: PaX\0 + * namesz: 4 + * desc: + * word[0]: capability bitmask + * descsz: 4 + */ #define ELF_NOTE_TYPE_PAX_TAG 3 #define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */ #define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */ @@ -825,6 +1102,8 @@ typedef struct { * * ELF_NOTE_NETBSD_CORE_PROCINFO * Note is a "netbsd_elfcore_procinfo" structure. + * ELF_NOTE_NETBSD_CORE_AUXV + * Note is an array of AuxInfo structures. * * We also use ptrace(2) request numbers (the ones that exist in * machine-dependent space) to identify register info notes. The @@ -838,6 +1117,7 @@ typedef struct { #define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE" #define ELF_NOTE_NETBSD_CORE_PROCINFO 1 +#define ELF_NOTE_NETBSD_CORE_AUXV 2 #define NETBSD_ELFCORE_PROCINFO_VERSION 1 @@ -849,8 +1129,8 @@ struct netbsd_elfcore_procinfo { uint32_t cpi_sigcode; /* signal code */ uint32_t cpi_sigpend[4]; /* pending signals */ uint32_t cpi_sigmask[4]; /* blocked signals */ - uint32_t cpi_sigignore[4];/* blocked signals */ - uint32_t cpi_sigcatch[4];/* blocked signals */ + uint32_t cpi_sigignore[4];/* ignored signals */ + uint32_t cpi_sigcatch[4];/* caught signals */ int32_t cpi_pid; /* process ID */ int32_t cpi_ppid; /* parent process ID */ int32_t cpi_pgrp; /* process group ID */ @@ -867,46 +1147,108 @@ struct netbsd_elfcore_procinfo { int32_t cpi_siglwp; /* LWP target of killing signal */ }; +/* + * NetBSD-specific note type: MACHINE_ARCH. + * There should be 1 NOTE per executable. + * name: NetBSD\0 + * namesz: 7 + * desc: string + * descsz: variable + */ +#define ELF_NOTE_TYPE_MARCH_TAG 5 +/* NetBSD-specific note name and description sizes */ +#define ELF_NOTE_MARCH_NAMESZ ELF_NOTE_NETBSD_NAMESZ +/* NetBSD-specific note name */ +#define ELF_NOTE_MARCH_NAME ELF_NOTE_NETBSD_NAME + +/* + * NetBSD-specific note type: MCMODEL + * There should be 1 NOTE per executable. + * name: NetBSD\0 + * namesz: 7 + * code model: string + */ + +#define ELF_NOTE_TYPE_MCMODEL_TAG 6 +/* NetBSD-specific note name and description sizes */ +#define ELF_NOTE_MCMODEL_NAMESZ ELF_NOTE_NETBSD_NAMESZ +/* NetBSD-specific note name */ +#define ELF_NOTE_MCMODEL_NAME ELF_NOTE_NETBSD_NAME + + +#if !defined(ELFSIZE) +# if defined(_RUMPKERNEL) || !defined(_KERNEL) +# define ELFSIZE ARCH_ELFSIZE +# else +# define ELFSIZE KERN_ELFSIZE +# endif +#endif + +#if defined(ELFSIZE) +#define CONCAT(x,y) __CONCAT(x,y) +#define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x))) +#define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y)))) +#define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE)) +#define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x))) +#define ElfW(x) CONCAT(Elf,CONCAT(ELFSIZE,CONCAT(_,x))) +#endif + #if defined(ELFSIZE) && (ELFSIZE == 32) -#define Elf_Ehdr Elf32_Ehdr -#define Elf_Phdr Elf32_Phdr -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Rel Elf32_Rel -#define Elf_Rela Elf32_Rela -#define Elf_Dyn Elf32_Dyn -#define Elf_Word Elf32_Word -#define Elf_Sword Elf32_Sword -#define Elf_Addr Elf32_Addr -#define Elf_Off Elf32_Off -#define Elf_SOff Elf32_SOff -#define Elf_Nhdr Elf32_Nhdr - -#define ELF_R_SYM ELF32_R_SYM -#define ELF_R_TYPE ELF32_R_TYPE -#define ELFCLASS ELFCLASS32 - -#define AuxInfo Aux32Info +#define Elf_Ehdr Elf32_Ehdr +#define Elf_Phdr Elf32_Phdr +#define Elf_Shdr Elf32_Shdr +#define Elf_Sym Elf32_Sym +#define Elf_Rel Elf32_Rel +#define Elf_Rela Elf32_Rela +#define Elf_Dyn Elf32_Dyn +#define Elf_Word Elf32_Word +#define Elf_Sword Elf32_Sword +#define Elf_Half Elf32_Half +#define Elf_Addr Elf32_Addr +#define Elf_Off Elf32_Off +#define Elf_SOff Elf32_SOff +#define Elf_Nhdr Elf32_Nhdr +#define Elf_Verdef Elf32_Verdef +#define Elf_Verdaux Elf32_Verdaux +#define Elf_Verneed Elf32_Verneed +#define Elf_Vernaux Elf32_Vernaux +#define Elf_Versym Elf32_Versym + +#define ELF_R_SYM ELF32_R_SYM +#define ELF_R_TYPE ELF32_R_TYPE +#define ELFCLASS ELFCLASS32 + +#define AuxInfo Aux32Info #elif defined(ELFSIZE) && (ELFSIZE == 64) -#define Elf_Ehdr Elf64_Ehdr -#define Elf_Phdr Elf64_Phdr -#define Elf_Shdr Elf64_Shdr -#define Elf_Sym Elf64_Sym -#define Elf_Rel Elf64_Rel -#define Elf_Rela Elf64_Rela -#define Elf_Dyn Elf64_Dyn -#define Elf_Word Elf64_Word -#define Elf_Sword Elf64_Sword -#define Elf_Addr Elf64_Addr -#define Elf_Off Elf64_Off -#define Elf_SOff Elf64_SOff -#define Elf_Nhdr Elf64_Nhdr - -#define ELF_R_SYM ELF64_R_SYM -#define ELF_R_TYPE ELF64_R_TYPE -#define ELFCLASS ELFCLASS64 - -#define AuxInfo Aux64Info +#define Elf_Ehdr Elf64_Ehdr +#define Elf_Phdr Elf64_Phdr +#define Elf_Shdr Elf64_Shdr +#define Elf_Sym Elf64_Sym +#define Elf_Rel Elf64_Rel +#define Elf_Rela Elf64_Rela +#define Elf_Dyn Elf64_Dyn +#define Elf_Word Elf64_Word +#define Elf_Sword Elf64_Sword +#define Elf_Half Elf64_Half +#define Elf_Addr Elf64_Addr +#define Elf_Off Elf64_Off +#define Elf_SOff Elf64_SOff +#define Elf_Nhdr Elf64_Nhdr +#define Elf_Verdef Elf64_Verdef +#define Elf_Verdaux Elf64_Verdaux +#define Elf_Verneed Elf64_Verneed +#define Elf_Vernaux Elf64_Vernaux +#define Elf_Versym Elf64_Versym + +#define ELF_R_SYM ELF64_R_SYM +#define ELF_R_TYPE ELF64_R_TYPE +#define ELFCLASS ELFCLASS64 + +#define AuxInfo Aux64Info +#endif + +#ifndef Elf_Symindx +#define Elf_Symindx uint32_t #endif #define ELF32_ST_BIND(info) ELF_ST_BIND(info) @@ -925,8 +1267,8 @@ typedef struct { } Elf32_Syminfo; typedef struct { - Elf64_Half si_boundto; /* direct bindings - symbol bound to */ - Elf64_Half si_flags; /* per symbol flags */ + Elf64_Word si_boundto; /* direct bindings - symbol bound to */ + Elf64_Word si_flags; /* per symbol flags */ } Elf64_Syminfo; #define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association @@ -956,7 +1298,12 @@ typedef struct { * These constants are used for Elf32_Verdef struct's version number. */ #define VER_DEF_NONE 0 -#define VER_DEF_CURRENT 1 +#define VER_DEF_CURRENT 1 + +/* + * These constants are used for Elf32_Verdef struct's vd_ndx. + */ +#define VER_DEF_IDX(x) VER_NDX(x) /* * These constants are used for Elf32_Verdef struct's vd_flags. @@ -967,8 +1314,9 @@ typedef struct { /* * These are used in an Elf32_Versym field. */ -#define VER_NDX_LOCAL 0 -#define VER_NDX_GLOBAL 1 +#define VER_NDX_LOCAL 0 +#define VER_NDX_GLOBAL 1 +#define VER_NDX_GIVEN 2 /* * These constants are used for Elf32_Verneed struct's version number. @@ -977,10 +1325,20 @@ typedef struct { #define VER_NEED_CURRENT 1 /* - * GNU Extension hidding symb + * These constants are used for Elf32_Vernaux struct's vna_other. */ -#define VERSYM_HIDDEN 0x8000 -#define VERSYM_VERSION 0x7fff +#define VER_NEED_HIDDEN VER_NDX_HIDDEN +#define VER_NEED_IDX(x) VER_NDX(x) + +/* index */ +#define VER_NDX_HIDDEN 0x8000 +#define VER_NDX(x) ((x) & ~VER_NDX_HIDDEN) + +/* + * GNU Extension hidding symbol + */ +#define VERSYM_HIDDEN 0x8000 +#define VERSYM_VERSION 0x7fff #define ELF_VER_CHR '@' @@ -1030,7 +1388,14 @@ typedef Elf32_Versym Elf64_Versym; #ifdef _KERNEL -#define ELF_AUX_ENTRIES 14 /* Max size of aux array passed to loader */ +/* + * Arbitrary limits to avoid DoS for excessive memory allocation. + */ +#define ELF_MAXPHNUM 128 +#define ELF_MAXSHNUM 32768 +#define ELF_MAXNOTESIZE 1024 + +#define ELF_AUX_ENTRIES 15 /* Max size of aux array passed to loader */ #define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */ #define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */ #define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */ @@ -1060,11 +1425,11 @@ typedef Elf32_Versym Elf64_Versym; #if defined(ELFSIZE) struct elf_args { - Elf_Addr arg_entry; /* program entry point */ - Elf_Addr arg_interp; /* Interpreter load address */ - Elf_Addr arg_phaddr; /* program header address */ - Elf_Addr arg_phentsize; /* Size of program header */ - Elf_Addr arg_phnum; /* Number of program headers */ + Elf_Addr arg_entry; /* program entry point */ + Elf_Addr arg_interp; /* Interpreter load address */ + Elf_Addr arg_phaddr; /* program header address */ + Elf_Addr arg_phentsize; /* Size of program header */ + Elf_Addr arg_phnum; /* Number of program headers */ }; #endif @@ -1072,30 +1437,41 @@ struct elf_args { #include "opt_execfmt.h" #endif +struct ps_strings; +struct coredump_iostate; +struct note_state; +struct exec_package; + #ifdef EXEC_ELF32 int exec_elf32_makecmds(struct lwp *, struct exec_package *); +int elf32_populate_auxv(struct lwp *, struct exec_package *, char **); int elf32_copyargs(struct lwp *, struct exec_package *, struct ps_strings *, char **, void *); -int coredump_elf32(struct lwp *, void *); -int coredump_writenote_elf32(struct proc *, void *, Elf32_Nhdr *, - const char *, void *); - -int elf32_check_header(Elf32_Ehdr *, int); +int elf32_check_header(Elf32_Ehdr *); #endif +int real_coredump_elf32(struct lwp *, struct coredump_iostate *); +int coredump_elf32(struct lwp *, struct coredump_iostate *); +void coredump_savenote_elf32(struct note_state *, unsigned int, + const char *, void *, size_t); + + #ifdef EXEC_ELF64 int exec_elf64_makecmds(struct lwp *, struct exec_package *); +int elf64_populate_auxv(struct lwp *, struct exec_package *, char **); int elf64_copyargs(struct lwp *, struct exec_package *, struct ps_strings *, char **, void *); -int coredump_elf64(struct lwp *, void *); -int coredump_writenote_elf64(struct proc *, void *, Elf64_Nhdr *, - const char *, void *); - -int elf64_check_header(Elf64_Ehdr *, int); +int elf64_check_header(Elf64_Ehdr *); #endif +int real_coredump_elf64(struct lwp *, struct coredump_iostate *); +int coredump_elf64(struct lwp *, struct coredump_iostate *); +void coredump_savenote_elf64(struct note_state *, unsigned int, + const char *, void *, size_t); + + #endif /* _KERNEL */ #endif /* !_SYS_EXEC_ELF_H_ */ |