Updated this file with the newer version in NetBSD.
Updates #4682
---
cpukit/include/sys/exec_elf.h | 840 ++++++++++++++++++++++++----------
1 file changed, 608 insertions(+), 232 deletions(-)
diff --git a/cpukit/include/sys/exec_elf.h b/cpukit/include/sys/exec_elf.h
index 4242415f54..b50da6b272 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 */
@@ -755,6 +909,16 @@ typedef struct {
/* Executable's fully resolved name */
#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
*/
@@ -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
-/* NetBSD-specific note type: Emulation name. desc is emul name string. */
-#define ELF_NOTE_TYPE_NETBSD_TAG 1
+/*
+ * 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
+
+/*
+ * 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_ */
--
2.30.2
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