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/* $NetBSD: elf.h,v 1.2 1995/03/28 18:19:14 jtc Exp $ */
/*
* Copyright (c) 1994 Ted Lemon
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 __MACHINE_ELF_H__
#define __MACHINE_ELF_H__
/* ELF executable header... */
struct ehdr {
char elf_magic [4]; /* Elf magic number... */
unsigned long magic [3]; /* Magic number... */
unsigned short type; /* Object file type... */
unsigned short machine; /* Machine ID... */
unsigned long version; /* File format version... */
unsigned long entry; /* Entry point... */
unsigned long phoff; /* Program header table offset... */
unsigned long shoff; /* Section header table offset... */
unsigned long flags; /* Processor-specific flags... */
unsigned short ehsize; /* Elf header size in bytes... */
unsigned short phsize; /* Program header size... */
unsigned short phcount; /* Program header count... */
unsigned short shsize; /* Section header size... */
unsigned short shcount; /* Section header count... */
unsigned short shstrndx; /* Section header string table index... */
};
/* Program header... */
struct phdr {
unsigned long type; /* Segment type... */
unsigned long offset; /* File offset... */
unsigned long vaddr; /* Virtual address... */
unsigned long paddr; /* Physical address... */
unsigned long filesz; /* Size of segment in file... */
unsigned long memsz; /* Size of segment in memory... */
unsigned long flags; /* Segment flags... */
unsigned long align; /* Alighment, file and memory... */
};
/* Section header... */
struct shdr {
unsigned long name; /* Offset into string table of section name */
unsigned long type; /* Type of section... */
unsigned long flags; /* Section flags... */
unsigned long addr; /* Section virtual address at execution... */
unsigned long offset; /* Section file offset... */
unsigned long size; /* Section size... */
unsigned long link; /* Link to another section... */
unsigned long info; /* Additional section info... */
unsigned long align; /* Section alignment... */
unsigned long esize; /* Entry size if section holds table... */
};
/* Symbol table entry... */
struct sym {
unsigned long name; /* Index into strtab of symbol name. */
unsigned long value; /* Section offset, virt addr or common align. */
unsigned long size; /* Size of object referenced. */
unsigned type : 4; /* Symbol type (e.g., function, data)... */
unsigned binding : 4; /* Symbol binding (e.g., global, local)... */
unsigned char other; /* Unused. */
unsigned short shndx; /* Section containing symbol. */
};
/* Values for program header type field */
#define PT_NULL 0 /* Program header table entry unused */
#define PT_LOAD 1 /* Loadable program segment */
#define PT_DYNAMIC 2 /* Dynamic linking information */
#define PT_INTERP 3 /* Program interpreter */
#define PT_NOTE 4 /* Auxiliary information */
#define PT_SHLIB 5 /* Reserved, unspecified semantics */
#define PT_PHDR 6 /* Entry for header table itself */
#define PT_LOPROC 0x70000000 /* Processor-specific */
#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
#define PT_MIPS_REGINFO PT_LOPROC /* Mips reginfo section... */
/* Program segment permissions, in program header flags field */
#define PF_X (1 << 0) /* Segment is executable */
#define PF_W (1 << 1) /* Segment is writable */
#define PF_R (1 << 2) /* Segment is readable */
#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
/* Reserved section indices... */
#define SHN_UNDEF 0
#define SHN_ABS 0xfff1
#define SHN_COMMON 0xfff2
#define SHN_MIPS_ACOMMON 0xfff0
/* Symbol bindings... */
#define STB_LOCAL 0
#define STB_GLOBAL 1
#define STB_WEAK 2
/* Symbol types... */
#define STT_NOTYPE 0
#define STT_OBJECT 1
#define STT_FUNC 2
#define STT_SECTION 3
#define STT_FILE 4
#define ELF_HDR_SIZE (sizeof (struct ehdr))
#ifdef _KERNEL
int pmax_elf_makecmds __P((struct proc *, struct exec_package *));
#endif /* _KERNEL */
#endif /* __MACHINE_ELF_H__ */
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