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/*-
* Copyright (c) 2001 David E. O'Brien
* 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.
*
* $FreeBSD$
*/
#ifndef _MACHINE_ELF_H_
#define _MACHINE_ELF_H_ 1
/*
* EABI ELF definitions for the PowerPC architecture.
* See "PowerPC Embedded Application Binary Interface, 32-Bit Impliementation"
* [ppc-eabi-1995-01.pdf] for details.
*/
#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
#define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */
#include <sys/elf_generic.h>
#define ELF_ARCH EM_PPC
#define ELF_MACHINE_OK(x) ((x) == EM_PPC)
/*
* Auxiliary vector entries for passing information to the interpreter.
*
* The PowerPC 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;
__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 PowerPC). */
#define AT_ENTRY 9 /* Where interpreter should transfer control. */
#define AT_DCACHEBSIZE 10 /* Data cache block size for the processor. */
#define AT_ICACHEBSIZE 11 /* Instruction cache block size for the uP. */
#define AT_UCACHEBSIZE 12 /* Cache block size, or `0' if cache not unified. */
#define AT_COUNT 13 /* Count of defined aux entry types. */
/*
* Relocation types.
*/
#define R_PPC_COUNT 37 /* Count of defined relocation types. */
/* Count of defined relocation types. */
#define R_PPC_EMB_COUNT (R_PPC_EMB_RELSDA - R_PPC_EMB_NADDR32 + 1)
/* Define "machine" characteristics */
#define ELF_TARG_CLASS ELFCLASS32
#define ELF_TARG_DATA ELFDATA2MSB
#define ELF_TARG_MACH EM_PPC
#define ELF_TARG_VER 1
#endif /* !_MACHINE_ELF_H_ */
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