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// Inferno libmach/elf.h
// http://code.google.com/p/inferno-os/source/browse/utils/libmach/elf.h
//
// Copyright © 1994-1999 Lucent Technologies Inc.
// Power PC support Copyright © 1995-2004 C H Forsyth (forsyth@terzarima.net).
// Portions Copyright © 1997-1999 Vita Nuova Limited.
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com).
// Revisions Copyright © 2000-2004 Lucent Technologies Inc. and others.
// Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
/*
* Definitions needed for accessing ELF headers.
* 32-bit and 64-bit structs differ.
*/
typedef struct {
uchar ident[16]; /* ident bytes */
ushort type; /* file type */
ushort machine; /* target machine */
int version; /* file version */
uint32 elfentry; /* start address */
uint32 phoff; /* phdr file offset */
uint32 shoff; /* shdr file offset */
int flags; /* file flags */
ushort ehsize; /* sizeof ehdr */
ushort phentsize; /* sizeof phdr */
ushort phnum; /* number phdrs */
ushort shentsize; /* sizeof shdr */
ushort shnum; /* number shdrs */
ushort shstrndx; /* shdr string index */
} Ehdr32;
typedef struct {
uchar ident[16]; /* ident bytes */
ushort type; /* file type */
ushort machine; /* target machine */
int version; /* file version */
uvlong elfentry; /* start address */
uvlong phoff; /* phdr file offset */
uvlong shoff; /* shdr file offset */
int flags; /* file flags */
ushort ehsize; /* sizeof ehdr */
ushort phentsize; /* sizeof phdr */
ushort phnum; /* number phdrs */
ushort shentsize; /* sizeof shdr */
ushort shnum; /* number shdrs */
ushort shstrndx; /* shdr string index */
} Ehdr64;
typedef struct {
int type; /* entry type */
uint32 offset; /* file offset */
uint32 vaddr; /* virtual address */
uint32 paddr; /* physical address */
int filesz; /* file size */
uint32 memsz; /* memory size */
int flags; /* entry flags */
int align; /* memory/file alignment */
} Phdr32;
typedef struct {
int type; /* entry type */
int flags; /* entry flags */
uvlong offset; /* file offset */
uvlong vaddr; /* virtual address */
uvlong paddr; /* physical address */
uvlong filesz; /* file size */
uvlong memsz; /* memory size */
uvlong align; /* memory/file alignment */
} Phdr64;
typedef struct {
uint32 name; /* section name */
uint32 type; /* SHT_... */
uint32 flags; /* SHF_... */
uint32 addr; /* virtual address */
uint32 offset; /* file offset */
uint32 size; /* section size */
uint32 link; /* misc info */
uint32 info; /* misc info */
uint32 addralign; /* memory alignment */
uint32 entsize; /* entry size if table */
} Shdr32;
typedef struct {
uint32 name; /* section name */
uint32 type; /* SHT_... */
uvlong flags; /* SHF_... */
uvlong addr; /* virtual address */
uvlong offset; /* file offset */
uvlong size; /* section size */
uint32 link; /* misc info */
uint32 info; /* misc info */
uvlong addralign; /* memory alignment */
uvlong entsize; /* entry size if table */
} Shdr64;
enum {
/* Ehdr codes */
MAG0 = 0, /* ident[] indexes */
MAG1 = 1,
MAG2 = 2,
MAG3 = 3,
CLASS = 4,
DATA = 5,
VERSION = 6,
ELFCLASSNONE = 0, /* ident[CLASS] */
ELFCLASS32 = 1,
ELFCLASS64 = 2,
ELFCLASSNUM = 3,
ELFDATANONE = 0, /* ident[DATA] */
ELFDATA2LSB = 1,
ELFDATA2MSB = 2,
ELFDATANUM = 3,
NOETYPE = 0, /* type */
REL = 1,
EXEC = 2,
DYN = 3,
CORE = 4,
NONE = 0, /* machine */
M32 = 1, /* AT&T WE 32100 */
SPARC = 2, /* Sun SPARC */
I386 = 3, /* Intel 80386 */
M68K = 4, /* Motorola 68000 */
M88K = 5, /* Motorola 88000 */
I486 = 6, /* Intel 80486 */
I860 = 7, /* Intel i860 */
MIPS = 8, /* Mips R2000 */
S370 = 9, /* Amdhal */
SPARC64 = 18, /* Sun SPARC v9 */
POWER = 20, /* PowerPC */
ARM = 40, /* ARM */
AMD64 = 62, /* Amd64 */
NO_VERSION = 0, /* version, ident[VERSION] */
CURRENT = 1,
/* Phdr Codes */
NOPTYPE = 0, /* type */
LOAD = 1,
DYNAMIC = 2,
INTERP = 3,
NOTE = 4,
SHLIB = 5,
PHDR = 6,
R = 0x4, /* flags */
W = 0x2,
X = 0x1,
/* Shdr Codes */
Progbits = 1, /* section types */
Strtab = 3,
Nobits = 8,
Swrite = 1, /* section attributes */
Salloc = 2,
Sexec = 4,
};
#define ELF_MAG ((0x7f<<24) | ('E'<<16) | ('L'<<8) | 'F')
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