Index: /trunk/include/iprt/formats/elf-amd64.h =================================================================== --- /trunk/include/iprt/formats/elf-amd64.h (revision 58636) +++ /trunk/include/iprt/formats/elf-amd64.h (revision 58636) @@ -0,0 +1,128 @@ +/*- + * Copyright (c) 1996-1997 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef ___iprt_formats_elf_amd64_h +#define ___iprt_formats_elf_amd64_h + +/* + * ELF definitions for the AMD64 architecture. + */ + +#if 0 /* later */ +/* + * Auxiliary vector entries for passing information to the interpreter. + * + * The i386 supplement to the SVR4 ABI specification names this "auxv_t", + * but POSIX lays claim to all symbols ending with "_t". + */ +typedef struct { /* Auxiliary vector entry on initial stack */ + int a_type; /* Entry type. */ + union { + int a_val; /* Integer value. */ + } a_un; +} Elf32_Auxinfo; + + +typedef struct { /* Auxiliary vector entry on initial stack */ + long a_type; /* Entry type. */ + union { + long a_val; /* Integer value. */ + void *a_ptr; /* Address. */ + void (*a_fcn)(void); /* Function pointer (not used). */ + } a_un; +} Elf64_Auxinfo; + +__ElfType(Auxinfo); + +/* Values for a_type. */ +#define AT_NULL 0 /* Terminates the vector. */ +#define AT_IGNORE 1 /* Ignored entry. */ +#define AT_EXECFD 2 /* File descriptor of program to load. */ +#define AT_PHDR 3 /* Program header of program already loaded. */ +#define AT_PHENT 4 /* Size of each program header entry. */ +#define AT_PHNUM 5 /* Number of program header entries. */ +#define AT_PAGESZ 6 /* Page size in bytes. */ +#define AT_BASE 7 /* Interpreter's base address. */ +#define AT_FLAGS 8 /* Flags (unused for i386). */ +#define AT_ENTRY 9 /* Where interpreter should transfer control. */ + +/* + * The following non-standard values are used for passing information + * from John Polstra's testbed program to the dynamic linker. These + * are expected to go away soon. + * + * Unfortunately, these overlap the Linux non-standard values, so they + * must not be used in the same context. + */ +#define AT_BRK 10 /* Starting point for sbrk and brk. */ +#define AT_DEBUG 11 /* Debugging level. */ + +/* + * The following non-standard values are used in Linux ELF binaries. + */ +#define AT_NOTELF 10 /* Program is not ELF ?? */ +#define AT_UID 11 /* Real uid. */ +#define AT_EUID 12 /* Effective uid. */ +#define AT_GID 13 /* Real gid. */ +#define AT_EGID 14 /* Effective gid. */ + +#define AT_COUNT 15 /* Count of defined aux entry types. */ + +#endif /* later */ + +/* + * Relocation types. + */ + +#define R_X86_64_NONE 0 /* No relocation. */ +#define R_X86_64_64 1 /* Add 64 bit symbol value. */ +#define R_X86_64_PC32 2 /* PC-relative 32 bit signed sym value. */ +#define R_X86_64_GOT32 3 /* PC-relative 32 bit GOT offset. */ +#define R_X86_64_PLT32 4 /* PC-relative 32 bit PLT offset. */ +#define R_X86_64_COPY 5 /* Copy data from shared object. */ +#define R_X86_64_GLOB_DAT 6 /* Set GOT entry to data address. */ +#define R_X86_64_JMP_SLOT 7 /* Set GOT entry to code address. */ +#define R_X86_64_RELATIVE 8 /* Add load address of shared object. */ +#define R_X86_64_GOTPCREL 9 /* Add 32 bit signed pcrel offset to GOT. */ +#define R_X86_64_32 10 /* Add 32 bit zero extended symbol value */ +#define R_X86_64_32S 11 /* Add 32 bit sign extended symbol value */ +#define R_X86_64_16 12 /* Add 16 bit zero extended symbol value */ +#define R_X86_64_PC16 13 /* Add 16 bit signed extended pc relative symbol value */ +#define R_X86_64_8 14 /* Add 8 bit zero extended symbol value */ +#define R_X86_64_PC8 15 /* Add 8 bit signed extended pc relative symbol value */ +#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ +#define R_X86_64_DTPOFF64 17 /* Offset in TLS block */ +#define R_X86_64_TPOFF64 18 /* Offset in static TLS block */ +#define R_X86_64_TLSGD 19 /* PC relative offset to GD GOT entry */ +#define R_X86_64_TLSLD 20 /* PC relative offset to LD GOT entry */ +#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ +#define R_X86_64_GOTTPOFF 22 /* PC relative offset to IE GOT entry */ +#define R_X86_64_TPOFF32 23 /* Offset in static TLS block */ + +#define R_X86_64_COUNT 24 /* Count of defined relocation types. */ + +#endif + Index: /trunk/include/iprt/formats/elf-common.h =================================================================== --- /trunk/include/iprt/formats/elf-common.h (revision 58636) +++ /trunk/include/iprt/formats/elf-common.h (revision 58636) @@ -0,0 +1,337 @@ +/*- + * Copyright (c) 1998 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef ___iprt_formats_elf_common_h +#define ___iprt_formats_elf_common_h + +#include + +/* + * ELF definitions that are independent of architecture or word size. + */ + +/* + * Note header. The ".note" section contains an array of notes. Each + * begins with this header, aligned to a word boundary. Immediately + * following the note header is n_namesz bytes of name, padded to the + * next word boundary. Then comes n_descsz bytes of descriptor, again + * padded to a word boundary. The values of n_namesz and n_descsz do + * not include the padding. + */ + +typedef struct { + uint32_t n_namesz; /* Length of name. */ + uint32_t n_descsz; /* Length of descriptor. */ + uint32_t n_type; /* Type of this note. */ +} Elf_Note; + +/* Indexes into the e_ident array. Keep synced with + http://www.sco.com/developer/gabi/ch4.eheader.html */ +#define EI_MAG0 0 /* Magic number, byte 0. */ +#define EI_MAG1 1 /* Magic number, byte 1. */ +#define EI_MAG2 2 /* Magic number, byte 2. */ +#define EI_MAG3 3 /* Magic number, byte 3. */ +#define EI_CLASS 4 /* Class of machine. */ +#define EI_DATA 5 /* Data format. */ +#define EI_VERSION 6 /* ELF format version. */ +#define EI_OSABI 7 /* Operating system / ABI identification */ +#define EI_ABIVERSION 8 /* ABI version */ +#define OLD_EI_BRAND 8 /* Start of architecture identification. */ +#define EI_PAD 9 /* Start of padding (per SVR4 ABI). */ +#define EI_NIDENT 16 /* Size of e_ident array. */ + +/* Values for the magic number bytes. */ +#define ELFMAG0 0x7f +#define ELFMAG1 'E' +#define ELFMAG2 'L' +#define ELFMAG3 'F' +#define ELFMAG "\177ELF" /* magic string */ +#define SELFMAG 4 /* magic string size */ + +/* Values for e_ident[EI_VERSION] and e_version. */ +#define EV_NONE 0 +#define EV_CURRENT 1 + +/* Values for e_ident[EI_CLASS]. */ +#define ELFCLASSNONE 0 /* Unknown class. */ +#define ELFCLASS32 1 /* 32-bit architecture. */ +#define ELFCLASS64 2 /* 64-bit architecture. */ + +/* Values for e_ident[EI_DATA]. */ +#define ELFDATANONE 0 /* Unknown data format. */ +#define ELFDATA2LSB 1 /* 2's complement little-endian. */ +#define ELFDATA2MSB 2 /* 2's complement big-endian. */ + +/* Values for e_ident[EI_OSABI]. */ +#define ELFOSABI_SYSV 0 /* UNIX System V ABI */ +#define ELFOSABI_NONE ELFOSABI_SYSV /* symbol used in old spec */ +#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 common IA32 ABI */ +#define ELFOSABI_SOLARIS 6 /* Solaris */ +#define ELFOSABI_MONTEREY 7 /* Monterey */ +#define ELFOSABI_IRIX 8 /* IRIX */ +#define ELFOSABI_FREEBSD 9 /* FreeBSD */ +#define ELFOSABI_TRU64 10 /* TRU64 UNIX */ +#define ELFOSABI_MODESTO 11 /* Novell Modesto */ +#define ELFOSABI_OPENBSD 12 /* OpenBSD */ +#define ELFOSABI_ARM 97 /* ARM */ +#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ + +/* e_ident */ +#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \ + (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \ + (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \ + (ehdr).e_ident[EI_MAG3] == ELFMAG3) + +/* Values for e_type. */ +#define ET_NONE 0 /* Unknown type. */ +#define ET_REL 1 /* Relocatable. */ +#define ET_EXEC 2 /* Executable. */ +#define ET_DYN 3 /* Shared object. */ +#define ET_CORE 4 /* Core file. */ + +/* Values for e_machine. */ +#define EM_NONE 0 /* Unknown machine. */ +#define EM_M32 1 /* AT&T WE32100. */ +#define EM_SPARC 2 /* Sun SPARC. */ +#define EM_386 3 /* Intel i386. */ +#define EM_68K 4 /* Motorola 68000. */ +#define EM_88K 5 /* Motorola 88000. */ +#define EM_486 6 /* Intel i486. */ +#define EM_860 7 /* Intel i860. */ +#define EM_MIPS 8 /* MIPS R3000 Big-Endian only */ + +/* Extensions. This list is not complete. */ +#define EM_S370 9 /* IBM System/370 */ +#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ /* Depreciated */ +#define EM_PARISC 15 /* HPPA */ +#define EM_SPARC32PLUS 18 /* SPARC v8plus */ +#define EM_PPC 20 /* PowerPC 32-bit */ +#define EM_PPC64 21 /* PowerPC 64-bit */ +#define EM_ARM 40 /* ARM */ +#define EM_SPARCV9 43 /* SPARC v9 64-bit */ +#define EM_IA_64 50 /* Intel IA-64 Processor */ +#define EM_X86_64 62 /* Advanced Micro Devices x86-64 */ +#define EM_AMD64 EM_X86_64 /* SunOS compatibility (added by Ramshankar) */ +#define EM_ALPHA 0x9026 /* Alpha (written in the absence of an ABI */ + +/* Special section indexes. */ +#define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */ +#define SHN_LORESERVE 0xff00 /* First of reserved range. */ +#define SHN_LOPROC 0xff00 /* First processor-specific. */ +#define SHN_HIPROC 0xff1f /* Last processor-specific. */ +#define SHN_ABS 0xfff1 /* Absolute values. */ +#define SHN_COMMON 0xfff2 /* Common data. */ +#define SHN_HIRESERVE 0xffff /* Last of reserved range. */ + +/* sh_type */ +#define SHT_NULL 0 /* inactive */ +#define SHT_PROGBITS 1 /* program defined information */ +#define SHT_SYMTAB 2 /* symbol table section */ +#define SHT_STRTAB 3 /* string table section */ +#define SHT_RELA 4 /* relocation section with addends */ +#define SHT_HASH 5 /* symbol hash table section */ +#define SHT_DYNAMIC 6 /* dynamic section */ +#define SHT_NOTE 7 /* note section */ +#define SHT_NOBITS 8 /* no space section */ +#define SHT_REL 9 /* relocation section - no addends */ +#define SHT_SHLIB 10 /* reserved - purpose unknown */ +#define SHT_DYNSYM 11 /* dynamic symbol table section */ +#define SHT_NUM 12 /* number of section types */ +#define SHT_LOOS 0x60000000 /* First of OS specific semantics */ +#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ +#define SHT_LOPROC 0x70000000 /* reserved range for processor */ +#define SHT_HIPROC 0x7fffffff /* specific section header types */ +#define SHT_LOUSER 0x80000000 /* reserved range for application */ +#define SHT_HIUSER 0xffffffff /* specific indexes */ + +/* Flags for sh_flags. */ +#define SHF_WRITE 0x1 /* Section contains writable data. */ +#define SHF_ALLOC 0x2 /* Section occupies memory. */ +#define SHF_EXECINSTR 0x4 /* Section contains instructions. */ +#define SHF_TLS 0x400 /* Section contains TLS data. */ +#define SHF_MASKPROC 0xf0000000 /* Reserved for processor-specific. */ + +/* Values for p_type. */ +#define PT_NULL 0 /* Unused entry. */ +#define PT_LOAD 1 /* Loadable segment. */ +#define PT_DYNAMIC 2 /* Dynamic linking information segment. */ +#define PT_INTERP 3 /* Pathname of interpreter. */ +#define PT_NOTE 4 /* Auxiliary information. */ +#define PT_SHLIB 5 /* Reserved (not used). */ +#define PT_PHDR 6 /* Location of program header itself. */ +#define PT_TLS 7 /* Thread local storage segment */ + +#define PT_COUNT 8 /* Number of defined p_type values. */ + +#define PT_LOOS 0x60000000 /* OS-specific */ +#define PT_HIOS 0x6fffffff /* OS-specific */ +#define PT_LOPROC 0x70000000 /* First processor-specific type. */ +#define PT_HIPROC 0x7fffffff /* Last processor-specific type. */ + +/* Values for p_flags. */ +#define PF_X 0x1 /* Executable. */ +#define PF_W 0x2 /* Writable. */ +#define PF_R 0x4 /* Readable. */ + +/* Values for d_tag. */ +#define DT_NULL 0 /* Terminating entry. */ +#define DT_NEEDED 1 /* String table offset of a needed shared + library. */ +#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */ +#define DT_PLTGOT 3 /* Processor-dependent address. */ +#define DT_HASH 4 /* Address of symbol hash table. */ +#define DT_STRTAB 5 /* Address of string table. */ +#define DT_SYMTAB 6 /* Address of symbol table. */ +#define DT_RELA 7 /* Address of ElfNN_Rela relocations. */ +#define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */ +#define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */ +#define DT_STRSZ 10 /* Size of string table. */ +#define DT_SYMENT 11 /* Size of each symbol table entry. */ +#define DT_INIT 12 /* Address of initialization function. */ +#define DT_FINI 13 /* Address of finalization function. */ +#define DT_SONAME 14 /* String table offset of shared object + name. */ +#define DT_RPATH 15 /* String table offset of library path. [sup] */ +#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */ +#define DT_REL 17 /* Address of ElfNN_Rel relocations. */ +#define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */ +#define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */ +#define DT_PLTREL 20 /* Type of relocation used for PLT. */ +#define DT_DEBUG 21 /* Reserved (not used). */ +#define DT_TEXTREL 22 /* Indicates there may be relocations in + non-writable segments. [sup] */ +#define DT_JMPREL 23 /* Address of PLT relocations. */ +#define DT_BIND_NOW 24 /* [sup] */ +#define DT_INIT_ARRAY 25 /* Address of the array of pointers to + initialization functions */ +#define DT_FINI_ARRAY 26 /* Address of the array of pointers to + termination functions */ +#define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of + initialization functions. */ +#define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of + terminationfunctions. */ +#define DT_RUNPATH 29 /* String table offset of a null-terminated + library search path string. */ +#define DT_FLAGS 30 /* Object specific flag values. */ +#define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING + and less than DT_LOOS follow the rules for + the interpretation of the d_un union + as follows: even == 'd_ptr', even == 'd_val' + or none */ +#define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to + pre-initialization functions. */ +#define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of + pre-initialization functions. */ + +#define DT_COUNT 33 /* Number of defined d_tag values. */ + +#define DT_LOOS 0x6000000d /* First OS-specific */ +#define DT_HIOS 0x6fff0000 /* Last OS-specific */ +#define DT_LOPROC 0x70000000 /* First processor-specific type. */ +#define DT_HIPROC 0x7fffffff /* Last processor-specific type. */ + +/* Values for DT_FLAGS */ +#define DF_ORIGIN 0x0001 /* Indicates that the object being loaded may + make reference to the $ORIGIN substitution + string */ +#define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */ +#define DF_TEXTREL 0x0004 /* Indicates there may be relocations in + non-writable segments. */ +#define DF_BIND_NOW 0x0008 /* Indicates that the dynamic linker should + process all relocations for the object + containing this entry before transferring + control to the program. */ +#define DF_STATIC_TLS 0x0010 /* Indicates that the shared object or + executable contains code using a static + thread-local storage scheme. */ + +/* Values for n_type. Used in core files. */ +#if defined(RT_OS_FREEBSD) +# define NT_PRSTATUS 1 /* Process status. */ +# define NT_FPREGSET 2 /* Floating point registers. */ +# define NT_PRPSINFO 3 /* Process state info. */ +#elif defined(RT_OS_SOLARIS) +# define NT_PRSTATUS 1 /* prstatus_t */ +# define NT_PRFPREG 2 /* prfpregset_t */ +# define NT_PRPSINFO 3 /* prpsinfo_t */ +# define NT_PRXREG 4 /* prxregset_t */ +# define NT_PLATFORM 5 /* string from sysinfo(SI_PLATFORM) */ +# define NT_AUXV 6 /* auxv_t array */ +# define NT_LDT 9 /* ssd array IA32 only */ +# define NT_PSTATUS 10 /* pstatus_t */ +# define NT_PSINFO 13 /* psinfo_t */ +# define NT_PRCRED 14 /* prcred_t */ +# define NT_UTSNAME 15 /* struct utsname */ +# define NT_LWPSTATUS 16 /* lwpstatus_t */ +# define NT_LWPSINFO 17 /* lwpsinfo_t */ +# define NT_PRPRIV 18 /* prpriv_t */ +# define NT_PRPRIVINFO 19 /* priv_impl_info_t */ +# define NT_CONTENT 20 /* core_content_t */ +# define NT_ZONENAME 21 /* string from getzonenamebyid(3C) */ +# define PF_SUNW_FAILURE 0x00100000 /* mapping absent due to failure */ +# define PN_XNUM 0xffff /* extended program header index */ +#elif defined(RT_OS_LINUX) +# define NT_PRSTATUS 1 /* Process status. */ +# define NT_PRFPREG 2 /* Floating point registers. */ +# define NT_PRPSINFO 3 /* Process state info. */ +# define NT_TASKSTRUCT 4 /* Task info. */ +# define NT_AUXV 6 /* Process auxiliary vectors. */ +# define NT_PRXFPREG 0x46e62b7f /* from gdb5.1/include/elf/common.h */ +#endif + +/* VirtualBox specific NOTE sections (added by Ramshankar) */ +#ifdef VBOX +# define NT_VBOXCORE 0xb00 +# define NT_VBOXCPU 0xb01 +#endif + +/* Symbol Binding - ELFNN_ST_BIND - st_info */ +#define STB_LOCAL 0 /* Local symbol */ +#define STB_GLOBAL 1 /* Global symbol */ +#define STB_WEAK 2 /* like global - lower precedence */ +#define STB_LOPROC 13 /* reserved range for processor */ +#define STB_HIPROC 15 /* specific symbol bindings */ + +/* Symbol type - ELFNN_ST_TYPE - st_info */ +#define STT_NOTYPE 0 /* Unspecified type. */ +#define STT_OBJECT 1 /* Data object. */ +#define STT_FUNC 2 /* Function. */ +#define STT_SECTION 3 /* Section. */ +#define STT_FILE 4 /* Source file. */ +#define STT_TLS 6 /* TLS object. */ +#define STT_NUM 7 /* Number of generic symbol types. */ +#define STT_LOPROC 13 /* reserved range for processor */ +#define STT_HIPROC 15 /* specific symbol types */ + +/* Special symbol table indexes. */ +#define STN_UNDEF 0 /* Undefined symbol index. */ + +#endif + Index: /trunk/include/iprt/formats/elf-i386.h =================================================================== --- /trunk/include/iprt/formats/elf-i386.h (revision 58636) +++ /trunk/include/iprt/formats/elf-i386.h (revision 58636) @@ -0,0 +1,131 @@ +/*- + * Copyright (c) 1996-1997 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef ___iprt_formats_elf_i386_h +#define ___iprt_formats_elf_i386_h + +#if 0 /* later */ + +/* + * Auxiliary vector entries for passing information to the interpreter. + * + * The i386 supplement to the SVR4 ABI specification names this "auxv_t", + * but POSIX lays claim to all symbols ending with "_t". + */ + +typedef struct { /* Auxiliary vector entry on initial stack */ + int a_type; /* Entry type. */ + union { + long a_val; /* Integer value. */ + void *a_ptr; /* Address. */ + void (*a_fcn)(void); /* Function pointer (not used). */ + } a_un; +} Elf32_Auxinfo; + +#if __ELF_WORD_SIZE == 64 +/* Fake for amd64 loader support */ +typedef struct { + int fake; +} Elf64_Auxinfo; +#endif + +/* Values for a_type. */ +#define AT_NULL 0 /* Terminates the vector. */ +#define AT_IGNORE 1 /* Ignored entry. */ +#define AT_EXECFD 2 /* File descriptor of program to load. */ +#define AT_PHDR 3 /* Program header of program already loaded. */ +#define AT_PHENT 4 /* Size of each program header entry. */ +#define AT_PHNUM 5 /* Number of program header entries. */ +#define AT_PAGESZ 6 /* Page size in bytes. */ +#define AT_BASE 7 /* Interpreter's base address. */ +#define AT_FLAGS 8 /* Flags (unused for i386). */ +#define AT_ENTRY 9 /* Where interpreter should transfer control. */ + +/* + * The following non-standard values are used for passing information + * from John Polstra's testbed program to the dynamic linker. These + * are expected to go away soon. + * + * Unfortunately, these overlap the Linux non-standard values, so they + * must not be used in the same context. + */ +#define AT_BRK 10 /* Starting point for sbrk and brk. */ +#define AT_DEBUG 11 /* Debugging level. */ + +/* + * The following non-standard values are used in Linux ELF binaries. + */ +#define AT_NOTELF 10 /* Program is not ELF ?? */ +#define AT_UID 11 /* Real uid. */ +#define AT_EUID 12 /* Effective uid. */ +#define AT_GID 13 /* Real gid. */ +#define AT_EGID 14 /* Effective gid. */ + +#define AT_COUNT 15 /* Count of defined aux entry types. */ + +#endif /* later */ + + +/* + * Relocation types. + */ + +#define R_386_NONE 0 /* No relocation. */ +#define R_386_32 1 /* Add symbol value. */ +#define R_386_PC32 2 /* Add PC-relative symbol value. */ +#define R_386_GOT32 3 /* Add PC-relative GOT offset. */ +#define R_386_PLT32 4 /* Add PC-relative PLT offset. */ +#define R_386_COPY 5 /* Copy data from shared object. */ +#define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */ +#define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */ +#define R_386_RELATIVE 8 /* Add load address of shared object. */ +#define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */ +#define R_386_GOTPC 10 /* Add PC-relative GOT table address. */ +#define R_386_TLS_TPOFF 14 /* Negative offset in static TLS block */ +#define R_386_TLS_IE 15 /* Absolute address of GOT for -ve static TLS */ +#define R_386_TLS_GOTIE 16 /* GOT entry for negative static TLS block */ +#define R_386_TLS_LE 17 /* Negative offset relative to static TLS */ +#define R_386_TLS_GD 18 /* 32 bit offset to GOT (index,off) pair */ +#define R_386_TLS_LDM 19 /* 32 bit offset to GOT (index,zero) pair */ +#define R_386_TLS_GD_32 24 /* 32 bit offset to GOT (index,off) pair */ +#define R_386_TLS_GD_PUSH 25 /* pushl instruction for Sun ABI GD sequence */ +#define R_386_TLS_GD_CALL 26 /* call instruction for Sun ABI GD sequence */ +#define R_386_TLS_GD_POP 27 /* popl instruction for Sun ABI GD sequence */ +#define R_386_TLS_LDM_32 28 /* 32 bit offset to GOT (index,zero) pair */ +#define R_386_TLS_LDM_PUSH 29 /* pushl instruction for Sun ABI LD sequence */ +#define R_386_TLS_LDM_CALL 30 /* call instruction for Sun ABI LD sequence */ +#define R_386_TLS_LDM_POP 31 /* popl instruction for Sun ABI LD sequence */ +#define R_386_TLS_LDO_32 32 /* 32 bit offset from start of TLS block */ +#define R_386_TLS_IE_32 33 /* 32 bit offset to GOT static TLS offset entry */ +#define R_386_TLS_LE_32 34 /* 32 bit offset within static TLS block */ +#define R_386_TLS_DTPMOD32 35 /* GOT entry containing TLS index */ +#define R_386_TLS_DTPOFF32 36 /* GOT entry containing TLS offset */ +#define R_386_TLS_TPOFF32 37 /* GOT entry of -ve static TLS offset */ + +#define R_386_COUNT 38 /* Count of defined relocation types. */ + +#endif + Index: /trunk/include/iprt/formats/elf.h =================================================================== --- /trunk/include/iprt/formats/elf.h (revision 58636) +++ /trunk/include/iprt/formats/elf.h (revision 58636) @@ -0,0 +1,86 @@ +/* $Id$ */ +/** @file + * ELF types, current architecture. + */ + +/* + * Copyright (C) 2010-2015 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +#ifndef ___iprt_formats_elf_h +#define ___iprt_formats_elf_h + +#if defined(RT_ARCH_AMD64) +# include "elf64.h" +typedef Elf64_Addr Elf_Addr; +typedef Elf64_Half Elf_Half; +typedef Elf64_Off Elf_Off; +typedef Elf64_Sword Elf_Sword; +typedef Elf64_Word Elf_Word; +typedef Elf64_Size Elf_Size; +typedef Elf64_Hashelt Elf_Hashelt; +typedef Elf64_Ehdr Elf_Ehdr; +typedef Elf64_Shdr Elf_Shdr; +typedef Elf64_Phdr Elf_Phdr; +typedef Elf64_Nhdr Elf_Nhdr; +typedef Elf64_Dyn Elf_Dyn; +typedef Elf64_Rel Elf_Rel; +typedef Elf64_Rela Elf_Rela; +typedef Elf64_Sym Elf_Sym; + +#define ELF_R_SYM ELF64_R_SYM +#define ELF_R_TYPE ELF64_R_TYPE +#define ELF_R_INFO ELF64_R_INFO +#define ELF_ST_BIND ELF64_ST_BIND +#define ELF_ST_TYPE ELF64_ST_TYPE +#define ELF_ST_INFO ELF64_ST_INFO + +#elif defined(RT_ARCH_X86) +# include "elf32.h" +typedef Elf32_Addr Elf_Addr; +typedef Elf32_Half Elf_Half; +typedef Elf32_Off Elf_Off; +typedef Elf32_Sword Elf_Sword; +typedef Elf32_Word Elf_Word; +typedef Elf32_Size Elf_Size; +typedef Elf32_Hashelt Elf_Hashelt; +typedef Elf32_Ehdr Elf_Ehdr; +typedef Elf32_Shdr Elf_Shdr; +typedef Elf32_Phdr Elf_Phdr; +typedef Elf32_Nhdr Elf_Nhdr; +typedef Elf32_Dyn Elf_Dyn; +typedef Elf32_Rel Elf_Rel; +typedef Elf32_Rela Elf_Rela; +typedef Elf32_Sym Elf_Sym; + +#define ELF_R_SYM ELF32_R_SYM +#define ELF_R_TYPE ELF32_R_TYPE +#define ELF_R_INFO ELF32_R_INFO +#define ELF_ST_BIND ELF32_ST_BIND +#define ELF_ST_TYPE ELF32_ST_TYPE +#define ELF_ST_INFO ELF32_ST_INFO + +#else +# error Unknown arch! +#endif + +#endif + Index: /trunk/include/iprt/formats/elf32.h =================================================================== --- /trunk/include/iprt/formats/elf32.h (revision 58636) +++ /trunk/include/iprt/formats/elf32.h (revision 58636) @@ -0,0 +1,188 @@ +/* $Id$ */ +/** @file + * IPRT - ELF 32-bit header. + */ + +/* + * Copyright (C) 2010-2015 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef ___iprt_formats_elf32_h +#define ___iprt_formats_elf32_h + +#include + +#include "elf-common.h" + +/* + * ELF 32 standard types. + */ +typedef uint32_t Elf32_Addr; +typedef uint16_t Elf32_Half; +typedef uint32_t Elf32_Off; +typedef int32_t Elf32_Sword; +typedef uint32_t Elf32_Word; + +/* + * Ensure type size correctness in accordance to . + * Portable Format Specification (for ELF), Version 1.1, fig 1-2. . + */ +AssertCompileSize(Elf32_Addr, 4); +AssertCompileSize(Elf32_Half, 2); +AssertCompileSize(Elf32_Off, 4); +AssertCompileSize(Elf32_Sword, 4); +AssertCompileSize(Elf32_Word, 4); + +/* + * ELF 32 non-standard types for convenience. + */ +typedef Elf32_Word Elf32_Size; +typedef Elf32_Word Elf32_Hashelt; + +/* + * ELF header. + */ +typedef struct +{ + unsigned char e_ident[16]; /* ELF identification. */ + Elf32_Half e_type; /* Object file type. */ + Elf32_Half e_machine; /* Machine type. */ + Elf32_Word e_version; /* Object file version. */ + Elf32_Addr e_entry; /* Entry point address. */ + Elf32_Off e_phoff; /* Program header offset. */ + Elf32_Off e_shoff; /* Section header offset. */ + Elf32_Word e_flags; /* Processor-specific flags. */ + Elf32_Half e_ehsize; /* ELF header size. */ + Elf32_Half e_phentsize; /* Size of program header entries. */ + Elf32_Half e_phnum; /* Number of program headers. */ + Elf32_Half e_shentsize; /* Size of section header entries. */ + Elf32_Half e_shnum; /* Number of section headers. */ + Elf32_Half e_shstrndx; /* Section name string table index. */ +} Elf32_Ehdr; + +/* + * Section header. + */ +typedef struct +{ + Elf32_Word sh_name; /* Section name. */ + Elf32_Word sh_type; /* Section type. */ + Elf32_Word sh_flags; /* Section attributes. */ + Elf32_Addr sh_addr; /* Virtual address in memory. */ + Elf32_Off sh_offset; /* Offset in file. */ + Elf32_Word sh_size; /* Size of section. */ + Elf32_Word sh_link; /* Link to other section. */ + Elf32_Word sh_info; /* Miscellaneous information. */ + Elf32_Word sh_addralign; /* Address alignment boundary. */ + Elf32_Word sh_entsize; /* Size of entries, if section has table. */ +} Elf32_Shdr; + + +/* + * Program header. + */ +typedef struct +{ + Elf32_Word p_type; /* Type of segment. */ + Elf32_Off p_offset; /* Offset in file. */ + Elf32_Addr p_vaddr; /* Virtual address in memory. */ + Elf32_Addr p_paddr; /* Physical address (reserved). */ + Elf32_Word p_filesz; /* Size of segment in file. */ + Elf32_Word p_memsz; /* Size of segment in memory. */ + Elf32_Word p_flags; /* Segment attributes. */ + Elf32_Word p_align; /* Alignment of segment. */ +} Elf32_Phdr; + + +/* + * Note header. + */ +typedef struct +{ + Elf32_Word n_namesz; /* Length of note's name. */ + Elf32_Word n_descsz; /* Length of note's description. */ + Elf32_Word n_type; /* Type of note. */ +} Elf32_Nhdr; + + +/* + * Symbol table entry. + */ +typedef struct +{ + Elf32_Word st_name; /* Symbol name. */ + Elf32_Addr st_value; /* Symbol value. */ + Elf32_Word st_size; /* Size associated with symbol. */ + unsigned char st_info; /* Type and binding attributes. */ + unsigned char st_other; /* Reserved. */ + Elf32_Half st_shndx; /* Section header table index. */ +} Elf32_Sym; + + +/* + * Relocations. + */ +typedef struct +{ + Elf32_Addr r_offset; /* Location to be relocated. */ + Elf32_Word r_info; /* Symbol index and type of relocation. */ +} Elf32_Rel; + +typedef struct +{ + Elf32_Addr r_offset; /* Location to be relocated. */ + Elf32_Word r_info; /* Symbol index and type of relocation. */ + Elf32_Sword r_addend; /* Constant part of expression. */ +} Elf32_Rela; + +/* + * Dynamic section entry. + * ".dynamic" section contains an array of this. + */ +typedef struct +{ + Elf32_Sword d_tag; /* Type of entry. */ + union + { + Elf32_Word d_val; /* Integer value. */ + Elf32_Addr d_ptr; /* Virtual address value. */ + } d_un; +} Elf32_Dyn; + +/* + * Helper macros. + */ +/** The symbol's type. */ +#define ELF32_ST_TYPE(info) ((info) & 0xF) +/** The symbol's binding. */ +#define ELF32_ST_BIND(info) ((info) >> 4) +/** Make st_info. given binding and type. */ +#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) + +/** Relocation type. */ +#define ELF32_R_TYPE(info) ((unsigned char)(info)) +/** Relocation symbol index. */ +#define ELF32_R_SYM(info) ((info) >> 8) +/** Make r_info given the symbol index and type. */ +#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) + + +#endif + Index: /trunk/include/iprt/formats/elf64.h =================================================================== --- /trunk/include/iprt/formats/elf64.h (revision 58636) +++ /trunk/include/iprt/formats/elf64.h (revision 58636) @@ -0,0 +1,187 @@ +/* $Id$ */ +/** @file + * IPRT - ELF 64-bit header. + */ + +/* + * Copyright (C) 2010-2015 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef ___iprt_formats_elf64_h +#define ___iprt_formats_elf64_h + +#include + +#include "elf-common.h" + +/* + * ELF 64 standard types. + */ +typedef uint64_t Elf64_Addr; +typedef uint64_t Elf64_Off; +typedef uint16_t Elf64_Half; +typedef uint32_t Elf64_Word; +typedef int32_t Elf64_Sword; +typedef uint64_t Elf64_Xword; +typedef int64_t Elf64_Sxword; + +/* + * Ensure type size correctness in accordance to ELF-64 Object File Format, Version 1.5 Draft 2, p2. + */ +AssertCompileSize(Elf64_Addr, 8); +AssertCompileSize(Elf64_Off, 8); +AssertCompileSize(Elf64_Half, 2); +AssertCompileSize(Elf64_Word, 4); +AssertCompileSize(Elf64_Sword, 4); +AssertCompileSize(Elf64_Xword, 8); +AssertCompileSize(Elf64_Sxword, 8); + +/* + * ELF 64 non-standard types for convenience. + */ +typedef Elf64_Xword Elf64_Size; +typedef Elf64_Word Elf64_Hashelt; + +/* + * ELF Header. + */ +typedef struct +{ + unsigned char e_ident[16]; /* ELF identification. */ + Elf64_Half e_type; /* Object file type. */ + Elf64_Half e_machine; /* Machine type. */ + Elf64_Word e_version; /* Object file version. */ + Elf64_Addr e_entry; /* Entry point address. */ + Elf64_Off e_phoff; /* Program header offset. */ + Elf64_Off e_shoff; /* Section header offset. */ + Elf64_Word e_flags; /* Processor-specific flags. */ + Elf64_Half e_ehsize; /* ELF header size. */ + Elf64_Half e_phentsize; /* Size of program header entry. */ + Elf64_Half e_phnum; /* Number of program header entries. */ + Elf64_Half e_shentsize; /* Size of section header entry. */ + Elf64_Half e_shnum; /* Number of section header entries. */ + Elf64_Half e_shstrndx; /* Section name string table index. */ +} Elf64_Ehdr; + +/* + * Section header. + */ +typedef struct +{ + Elf64_Word sh_name; /* Section name. */ + Elf64_Word sh_type; /* Section type. */ + Elf64_Xword sh_flags; /* Section attributes. */ + Elf64_Addr sh_addr; /* Virtual address in memory. */ + Elf64_Off sh_offset; /* Offset in file. */ + Elf64_Xword sh_size; /* Size of section. */ + Elf64_Word sh_link; /* Link to other section. */ + Elf64_Word sh_info; /* Miscellaneous information. */ + Elf64_Xword sh_addralign; /* Address alignment boundary. */ + Elf64_Xword sh_entsize; /* Size of entries, if section has table. */ +} Elf64_Shdr; + +/* + * Program header. + */ +typedef struct +{ + Elf64_Word p_type; /* Type of segment. */ + Elf64_Word p_flags; /* Segment attributes. */ + Elf64_Off p_offset; /* Offset in file. */ + Elf64_Addr p_vaddr; /* Virtual address in memory. */ + Elf64_Addr p_paddr; /* Physical address (reserved). */ + Elf64_Xword p_filesz; /* Size of segment in file. */ + Elf64_Xword p_memsz; /* Size of segment in memory. */ + Elf64_Xword p_align; /* Alignment of segment. */ +} Elf64_Phdr; + +/* + * Note header. + */ +typedef struct +{ + Elf64_Word n_namesz; /* Length of note's name. */ + Elf64_Word n_descsz; /* Length of note's description. */ + Elf64_Word n_type; /* Type of note. */ +} Elf64_Nhdr; + +/* + * Symbol table entry. + */ +typedef struct +{ + Elf64_Word st_name; /* Symbol name. */ + unsigned char st_info; /* Type and binding attributes. */ + unsigned char st_other; /* Reserved. */ + Elf64_Half st_shndx; /* Section header table index. */ + Elf64_Addr st_value; /* Symbol value. */ + Elf64_Xword st_size; /* Size associated with symbol. */ +} Elf64_Sym; + +/* + * Relocations. + */ +typedef struct +{ + Elf64_Addr r_offset; /* Location to be relocated. */ + Elf64_Xword r_info; /* Symbol index and type of relocation. */ +} Elf64_Rel; + +typedef struct +{ + Elf64_Addr r_offset; /* Location to be relocated. */ + Elf64_Xword r_info; /* Symbol index and type of relocation. */ + Elf64_Sxword r_addend; /* Constant part of expression. */ +} Elf64_Rela; + +/* + * Dynamic section entry. + * ".dynamic" section contains an array of this. + */ +typedef struct +{ + Elf64_Sxword d_tag; /* Type of entry. */ + union + { + Elf64_Xword d_val; /* Integer value. */ + Elf64_Addr d_ptr; /* Virtual address value. */ + } d_un; +} Elf64_Dyn; + +/* + * Helper macros. + */ +/** The symbol's type. */ +#define ELF64_ST_TYPE(info) ((info) & 0xF) +/** The symbol's binding. */ +#define ELF64_ST_BIND(info) ((info) >> 4) +/** Make st_info. given binding and type. */ +#define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) + +/** Relocation type. */ +#define ELF64_R_TYPE(info) ((unsigned char)(info)) +/** Relocation symbol index. */ +#define ELF64_R_SYM(info) ((info) >> 32) +/** Make r_info given the symbol index and type. */ +#define ELF64_R_INFO(sym, type) (((sym) << 32) + (unsigned char)(type)) + + +#endif +