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cosmopolitan/libc/elf/def.h
Justine Tunney 8ff48201ca
Rewrite .zip.o file linker 
This change takes an entirely new approach to the incremental linking of
pkzip executables. The assets created by zipobj.com are now treated like
debug data. After a .com.dbg is compiled, fixupobj.com should be run, so
it can apply fixups to the offsets and move the zip directory to the end
of the file. Since debug data doesn't get objcopy'd, a new tool has been
introduced called zipcopy.com which should be run after objcopy whenever
a .com file is created. This is all automated by the `cosmocc` toolchain
which is rapidly becoming the new recommended approach.

This change also introduces the new C23 checked arithmetic macros.
2023-06-10 09:29:44 -07:00

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#ifndef COSMOPOLITAN_LIBC_ELF_STRUCT_DEF_H_
#define COSMOPOLITAN_LIBC_ELF_STRUCT_DEF_H_
/**
* @fileoverview Executable and Linkable Format Definitions.
*/
#define EI_NIDENT 16
#define EI_MAG0 0
#define EI_MAG1 1
#define EI_MAG2 2
#define EI_MAG3 3
#define ELFMAG "\177ELF"
#define ELFMAG0 0x7f
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'
#define SELFMAG 4
#define EI_CLASS 4
#define ELFCLASSNONE 0
#define ELFCLASS32 1
#define ELFCLASS64 2
#define ELFCLASSNUM 3
#define EI_DATA 5
#define ELFDATANONE 0
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2
#define ELFDATANUM 3
#define EI_VERSION 6
#define EI_OSABI 7
#define ELFOSABI_NONE 0
#define ELFOSABI_SYSV 0
#define ELFOSABI_HPUX 1
#define ELFOSABI_NETBSD 2
#define ELFOSABI_LINUX 3
#define ELFOSABI_GNU 3
#define ELFOSABI_SOLARIS 6
#define ELFOSABI_AIX 7
#define ELFOSABI_IRIX 8
#define ELFOSABI_FREEBSD 9
#define ELFOSABI_TRU64 10
#define ELFOSABI_MODESTO 11
#define ELFOSABI_OPENBSD 12
#define ELFOSABI_ARM 97
#define ELFOSABI_STANDALONE 255
#define EI_ABIVERSION 8
#define EI_PAD 9
#define ET_NONE 0
#define ET_REL 1
#define ET_EXEC 2
#define ET_DYN 3
#define ET_CORE 4
#define ET_NUM 5
#define ET_LOOS 0xfe00
#define ET_HIOS 0xfeff
#define ET_LOPROC 0xff00
#define ET_HIPROC 0xffff
#define EM_NONE 0
#define EM_M32 1
#define EM_386 3
#define EM_PPC64 21
#define EM_S390 22
#define EM_ARM 40
#define EM_NEXGEN32E 62
#define EM_X86_64 EM_NEXGEN32E
#define EM_IA32E EM_NEXGEN32E
#define EM_AMD64 EM_NEXGEN32E
#define EM_PDP11 65
#define EM_CRAYNV2 172
#define EM_L10M 180
#define EM_K10M 181
#define EM_AARCH64 183
#define EM_CUDA 190
#define EM_Z80 220
#define EM_RISCV 243
#define EM_BPF 247
#define GRP_COMDAT 1
#define STN_UNDEF 0
#define EV_NONE 0
#define EV_CURRENT 1
#define EV_NUM 2
#define SYMINFO_NONE 0
#define SYMINFO_CURRENT 1
#define SYMINFO_NUM 2
#define SYMINFO_BT_SELF 0xffff
#define SYMINFO_BT_PARENT 0xfffe
#define SYMINFO_BT_LOWRESERVE 0xff00
#define SYMINFO_FLG_DIRECT 0x0001
#define SYMINFO_FLG_PASSTHRU 0x0002
#define SYMINFO_FLG_COPY 0x0004
#define SYMINFO_FLG_LAZYLOAD 0x0008
#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
#define PT_NUM 8
#define PT_LOOS 0x60000000
#define PT_GNU_EH_FRAME 0x6474e550
#define PT_GNU_STACK 0x6474e551
#define PT_GNU_RELRO 0x6474e552
#define PT_LOSUNW 0x6ffffffa
#define PT_SUNWBSS 0x6ffffffa
#define PT_SUNWSTACK 0x6ffffffb
#define PT_HISUNW 0x6fffffff
#define PT_HIOS 0x6fffffff
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
#define PN_XNUM 0xffff
#define PF_X 1
#define PF_W 2
#define PF_R 4
#define PF_MASKOS 0x0ff00000
#define PF_MASKPROC 0xf0000000
#define R_X86_64_NONE 0
#define R_X86_64_64 1
#define R_X86_64_PC32 2
#define R_X86_64_GOT32 3
#define R_X86_64_PLT32 4
#define R_X86_64_COPY 5
#define R_X86_64_GLOB_DAT 6
#define R_X86_64_JUMP_SLOT 7
#define R_X86_64_RELATIVE 8
#define R_X86_64_GOTPCREL 9
#define R_X86_64_32 10
#define R_X86_64_32S 11
#define R_X86_64_16 12
#define R_X86_64_PC16 13
#define R_X86_64_8 14
#define R_X86_64_PC8 15
#define R_X86_64_DTPMOD64 16
#define R_X86_64_DTPOFF64 17
#define R_X86_64_TPOFF64 18
#define R_X86_64_TLSGD 19
#define R_X86_64_TLSLD 20
#define R_X86_64_DTPOFF32 21
#define R_X86_64_GOTTPOFF 22
#define R_X86_64_TPOFF32 23
#define R_X86_64_PC64 24
#define R_X86_64_GOTOFF64 25
#define R_X86_64_GOTPC32 26
#define R_X86_64_GOT64 27
#define R_X86_64_GOTPCREL64 28
#define R_X86_64_GOTPC64 29
#define R_X86_64_GOTPLT64 30
#define R_X86_64_PLTOFF64 31
#define R_X86_64_SIZE32 32
#define R_X86_64_SIZE64 33
#define R_X86_64_GOTPC32_TLSDESC 34
#define R_X86_64_TLSDESC_CALL 35
#define R_X86_64_TLSDESC 36
#define R_X86_64_IRELATIVE 37
#define R_X86_64_RELATIVE64 38
#define R_X86_64_GOTPCRELX 41 /* 6 bytes */
#define R_X86_64_REX_GOTPCRELX 42 /* 7 bytes */
#define R_X86_64_NUM 43
#define R_AARCH64_NONE 0
#define R_AARCH64_ABS64 257
#define R_AARCH64_ABS32 258
#define R_AARCH64_ABS16 259
#define R_AARCH64_PREL64 260
#define R_AARCH64_PREL32 261
#define R_AARCH64_PREL16 262
#define R_PPC_NONE 0
#define R_PPC_ADDR32 1
#define R_PPC_ADDR24 2
#define R_PPC_ADDR16 3
#define R_PPC_REL32 26
#define R_PPC64_NONE R_PPC_NONE
#define R_PPC64_ADDR32 R_PPC_ADDR32
#define R_PPC64_ADDR24 R_PPC_ADDR24
#define R_PPC64_ADDR16 R_PPC_ADDR16
#define R_PPC64_REL32 R_PPC_REL32
#define R_RISCV_NONE 0
#define R_RISCV_32 1
#define R_RISCV_64 2
#define R_RISCV_RELATIVE 3
#define R_390_NONE 0
#define R_390_8 1
#define R_390_12 2
#define R_390_16 3
#define R_390_32 4
#define R_390_PC32 5
#define STB_LOCAL 0
#define STB_GLOBAL 1
#define STB_WEAK 2
#define STB_NUM 3
#define STB_LOOS 10
#define STB_GNU_UNIQUE 10
#define STB_HIOS 12
#define STB_LOPROC 13
#define STB_HIPROC 15
#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 STT_NUM 7
#define STT_LOOS 10
#define STT_GNU_IFUNC 10
#define STT_HIOS 12
#define STT_LOPROC 13
#define STT_HIPROC 15
#define STV_DEFAULT 0
#define STV_INTERNAL 1
#define STV_HIDDEN 2
#define STV_PROTECTED 3
#define SHN_UNDEF 0
#define SHN_LORESERVE 0xff00
#define SHN_LOPROC 0xff00
#define SHN_BEFORE 0xff00
#define SHN_AFTER 0xff01
#define SHN_HIPROC 0xff1f
#define SHN_LOOS 0xff20
#define SHN_HIOS 0xff3f
#define SHN_ABS 0xfff1
#define SHN_COMMON 0xfff2
#define SHN_XINDEX 0xffff
#define SHN_HIRESERVE 0xffff
#define SHF_WRITE (1 << 0)
#define SHF_ALLOC (1 << 1)
#define SHF_EXECINSTR (1 << 2)
#define SHF_MERGE (1 << 4)
#define SHF_STRINGS (1 << 5)
#define SHF_INFO_LINK (1 << 6)
#define SHF_LINK_ORDER (1 << 7)
#define SHF_OS_NONCONFORMING (1 << 8)
#define SHF_GROUP (1 << 9)
#define SHF_TLS (1 << 10)
#define SHF_COMPRESSED (1 << 11)
#define SHF_MASKOS 0x0ff00000
#define SHF_MASKPROC 0xf0000000
#define SHF_ORDERED (1 << 30)
#define SHF_EXCLUDE (1U << 31)
#define ELFCOMPRESS_ZLIB 1
#define ELFCOMPRESS_LOOS 0x60000000
#define ELFCOMPRESS_HIOS 0x6fffffff
#define ELFCOMPRESS_LOPROC 0x70000000
#define ELFCOMPRESS_HIPROC 0x7fffffff
#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_INIT_ARRAY 14
#define SHT_FINI_ARRAY 15
#define SHT_PREINIT_ARRAY 16
#define SHT_GROUP 17
#define SHT_SYMTAB_SHNDX 18
#define SHT_NUM 19
#define SHT_LOOS 0x60000000
#define SHT_GNU_ATTRIBUTES 0x6ffffff5
#define SHT_GNU_HASH 0x6ffffff6
#define SHT_GNU_LIBLIST 0x6ffffff7
#define SHT_CHECKSUM 0x6ffffff8
#define SHT_LOSUNW 0x6ffffffa
#define SHT_SUNW_move 0x6ffffffa
#define SHT_SUNW_COMDAT 0x6ffffffb
#define SHT_SUNW_syminfo 0x6ffffffc
#define SHT_GNU_verdef 0x6ffffffd
#define SHT_GNU_verneed 0x6ffffffe
#define SHT_GNU_versym 0x6fffffff
#define SHT_HISUNW 0x6fffffff
#define SHT_HIOS 0x6fffffff
#define SHT_LOPROC 0x70000000
#define SHT_HIPROC 0x7fffffff
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0x8fffffff
#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_BIND_NOW 24
#define DT_INIT_ARRAY 25
#define DT_FINI_ARRAY 26
#define DT_INIT_ARRAYSZ 27
#define DT_FINI_ARRAYSZ 28
#define DT_RUNPATH 29
#define DT_FLAGS 30
#define DT_ENCODING 32
#define DT_PREINIT_ARRAY 32
#define DT_PREINIT_ARRAYSZ 33
#define DT_SYMTAB_SHNDX 34
#define DT_NUM 35
#define DT_LOOS 0x6000000d
#define DT_HIOS 0x6ffff000
#define DT_LOPROC 0x70000000
#define DT_HIPROC 0x7fffffff
#define DT_VALRNGLO 0x6ffffd00
#define DT_GNU_PRELINKED 0x6ffffdf5
#define DT_GNU_CONFLICTSZ 0x6ffffdf6
#define DT_GNU_LIBLISTSZ 0x6ffffdf7
#define DT_CHECKSUM 0x6ffffdf8
#define DT_PLTPADSZ 0x6ffffdf9
#define DT_MOVEENT 0x6ffffdfa
#define DT_MOVESZ 0x6ffffdfb
#define DT_FEATURE_1 0x6ffffdfc
#define DT_POSFLAG_1 0x6ffffdfd
#define DT_SYMINSZ 0x6ffffdfe
#define DT_SYMINENT 0x6ffffdff
#define DT_VALRNGHI 0x6ffffdff
#define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag))
#define DT_VALNUM 12
#define DT_ADDRRNGLO 0x6ffffe00
#define DT_GNU_HASH 0x6ffffef5
#define DT_TLSDESC_PLT 0x6ffffef6
#define DT_TLSDESC_GOT 0x6ffffef7
#define DT_GNU_CONFLICT 0x6ffffef8
#define DT_GNU_LIBLIST 0x6ffffef9
#define DT_CONFIG 0x6ffffefa
#define DT_DEPAUDIT 0x6ffffefb
#define DT_AUDIT 0x6ffffefc
#define DT_PLTPAD 0x6ffffefd
#define DT_MOVETAB 0x6ffffefe
#define DT_SYMINFO 0x6ffffeff
#define DT_ADDRRNGHI 0x6ffffeff
#define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag))
#define DT_ADDRNUM 11
#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 DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag))
#define DT_VERSIONTAGNUM 16
#define DT_AUXILIARY 0x7ffffffd
#define DT_FILTER 0x7fffffff
#define DT_EXTRATAGIDX(tag) ((Elf32_Word) - ((Elf32_Sword)(tag) << 1 >> 1) - 1)
#define DT_EXTRANUM 3
#define VER_NEED_NONE 0
#define VER_NEED_CURRENT 1
#define VER_NEED_NUM 2
#define VER_FLG_WEAK 0x2
#define ELF_NOTE_SOLARIS "SUNW Solaris"
#define ELF_NOTE_GNU "GNU"
#define ELF_NOTE_PAGESIZE_HINT 1
#define ELF_NOTE_ABI NT_GNU_ABI_TAG
#define ELF_NOTE_OS_LINUX 0
#define ELF_NOTE_OS_GNU 1
#define ELF_NOTE_OS_SOLARIS2 2
#define ELF_NOTE_OS_FREEBSD 3
#define NT_GNU_ABI_TAG 1
#define NT_GNU_BUILD_ID 3
#define NT_GNU_GOLD_VERSION 4
#define EF_CPU32 0x00810000
#define DF_ORIGIN 0x00000001
#define DF_SYMBOLIC 0x00000002
#define DF_TEXTREL 0x00000004
#define DF_BIND_NOW 0x00000008
#define DF_STATIC_TLS 0x00000010
#define DF_1_NOW 0x00000001
#define DF_1_GLOBAL 0x00000002
#define DF_1_GROUP 0x00000004
#define DF_1_NODELETE 0x00000008
#define DF_1_LOADFLTR 0x00000010
#define DF_1_INITFIRST 0x00000020
#define DF_1_NOOPEN 0x00000040
#define DF_1_ORIGIN 0x00000080
#define DF_1_DIRECT 0x00000100
#define DF_1_TRANS 0x00000200
#define DF_1_INTERPOSE 0x00000400
#define DF_1_NODEFLIB 0x00000800
#define DF_1_NODUMP 0x00001000
#define DF_1_CONFALT 0x00002000
#define DF_1_ENDFILTEE 0x00004000
#define DF_1_DISPRELDNE 0x00008000
#define DF_1_DISPRELPND 0x00010000
#define DF_1_NODIRECT 0x00020000
#define DF_1_IGNMULDEF 0x00040000
#define DF_1_NOKSYMS 0x00080000
#define DF_1_NOHDR 0x00100000
#define DF_1_EDITED 0x00200000
#define DF_1_NORELOC 0x00400000
#define DF_1_SYMINTPOSE 0x00800000
#define DF_1_GLOBAUDIT 0x01000000
#define DF_1_SINGLETON 0x02000000
#define DF_1_STUB 0x04000000
#define DF_1_PIE 0x08000000
#define DTF_1_PARINIT 0x00000001
#define DTF_1_CONFEXP 0x00000002
#define DF_P1_LAZYLOAD 0x00000001
#define DF_P1_GROUPPERM 0x00000002
#define ELF64_ST_BIND(val) (((unsigned char)(val)) >> 4)
#define ELF64_ST_TYPE(val) ((val)&0xf)
#define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type)&0xf))
#define ELF64_ST_VISIBILITY(o) ((o)&0x03)
#define ELF64_R_SYM(i) ((i) >> 32)
#define ELF64_R_TYPE(i) ((i)&0xffffffff)
#define ELF64_R_INFO(sym, type) ((((Elf64_Xword)(sym)) << 32) + (type))
#define ELF64_M_SYM(info) ((info) >> 8)
#define ELF64_M_SIZE(info) ((unsigned char)(info))
#define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
#define NT_PRSTATUS 1
#define NT_PRFPREG 2
#define NT_FPREGSET 2
#define NT_PRPSINFO 3
#define NT_PRXREG 4
#define NT_TASKSTRUCT 4
#define NT_PLATFORM 5
#define NT_AUXV 6
#define NT_GWINDOWS 7
#define NT_ASRS 8
#define NT_PSTATUS 10
#define NT_PSINFO 13
#define NT_PRCRED 14
#define NT_UTSNAME 15
#define NT_LWPSTATUS 16
#define NT_LWPSINFO 17
#define NT_PRFPXREG 20
#define NT_SIGINFO 0x53494749
#define NT_FILE 0x46494c45
#define NT_PRXFPREG 0x46e62b7f
#define NT_PPC_VMX 0x100
#define NT_PPC_SPE 0x101
#define NT_PPC_VSX 0x102
#define NT_PPC_TAR 0x103
#define NT_PPC_PPR 0x104
#define NT_PPC_DSCR 0x105
#define NT_PPC_EBB 0x106
#define NT_PPC_PMU 0x107
#define NT_PPC_TM_CGPR 0x108
#define NT_PPC_TM_CFPR 0x109
#define NT_PPC_TM_CVMX 0x10a
#define NT_PPC_TM_CVSX 0x10b
#define NT_PPC_TM_SPR 0x10c
#define NT_PPC_TM_CTAR 0x10d
#define NT_PPC_TM_CPPR 0x10e
#define NT_PPC_TM_CDSCR 0x10f
#define NT_X86_XSTATE 0x202
#define NT_S390_HIGH_GPRS 0x300
#define NT_S390_TIMER 0x301
#define NT_S390_TODCMP 0x302
#define NT_S390_TODPREG 0x303
#define NT_S390_CTRS 0x304
#define NT_S390_PREFIX 0x305
#define NT_S390_LAST_BREAK 0x306
#define NT_S390_SYSTEM_CALL 0x307
#define NT_S390_TDB 0x308
#define NT_S390_VXRS_LOW 0x309
#define NT_S390_VXRS_HIGH 0x30a
#define NT_S390_GS_CB 0x30b
#define NT_S390_GS_BC 0x30c
#define NT_S390_RI_CB 0x30d
#define NT_ARM_VFP 0x400
#define NT_ARM_TLS 0x401
#define NT_ARM_HW_BREAK 0x402
#define NT_ARM_HW_WATCH 0x403
#define NT_ARM_SYSTEM_CALL 0x404
#define NT_ARM_SVE 0x405
#define NT_ARM_PAC_MASK 0x406
#define NT_METAG_CBUF 0x500
#define NT_METAG_RPIPE 0x501
#define NT_METAG_TLS 0x502
#define NT_ARC_V2 0x600
#define NT_VMCOREDD 0x700
#define NT_VERSION 1
#define VER_DEF_NONE 0
#define VER_DEF_CURRENT 1
#define VER_DEF_NUM 2
#define VER_FLG_BASE 0x1
#define VER_FLG_WEAK 0x2
#define VER_NDX_LOCAL 0
#define VER_NDX_GLOBAL 1
#define VER_NDX_LORESERVE 0xff00
#define VER_NDX_ELIMINATE 0xff01
#define LL_NONE 0
#define LL_EXACT_MATCH (1 << 0)
#define LL_IGNORE_INT_VER (1 << 1)
#define LL_REQUIRE_MINOR (1 << 2)
#define LL_EXPORTS (1 << 3)
#define LL_DELAY_LOAD (1 << 4)
#define LL_DELTA (1 << 5)
#define R_BPF_NONE 0
#define R_BPF_MAP_FD 1
#endif /* COSMOPOLITAN_LIBC_ELF_STRUCT_DEF_H_ */
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