mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
6825d60738
Submitted by: Reviewed by: Approved by: Obtained from: MFC after: Security: Move the relocation definitions to the common elf header so that DTrace can use them on one architecture targeted to a different one. Add the additional ELF types defines in Sun's "Linker and Libraries" manual.
102 lines
3.7 KiB
C
102 lines
3.7 KiB
C
/*-
|
|
* 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. */
|
|
|
|
/* Used in John Polstra's testbed stuff. */
|
|
#define AT_DEBUG 14 /* Debugging level. */
|
|
|
|
/*
|
|
* 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_ */
|