151 lines
4.4 KiB
C
151 lines
4.4 KiB
C
|
/* MN10300 ELF constant and register definitions
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
|
||
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
||
|
|
* Written by David Howells (dhowells@redhat.com)
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public Licence
|
||
|
|
* as published by the Free Software Foundation; either version
|
||
|
|
* 2 of the Licence, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
#ifndef _ASM_ELF_H
|
||
|
|
#define _ASM_ELF_H
|
||
|
|
|
||
|
|
#include <linux/utsname.h>
|
||
|
|
#include <asm/ptrace.h>
|
||
|
|
#include <asm/user.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* AM33 relocations
|
||
|
|
*/
|
||
|
|
#define R_MN10300_NONE 0 /* No reloc. */
|
||
|
|
#define R_MN10300_32 1 /* Direct 32 bit. */
|
||
|
|
#define R_MN10300_16 2 /* Direct 16 bit. */
|
||
|
|
#define R_MN10300_8 3 /* Direct 8 bit. */
|
||
|
|
#define R_MN10300_PCREL32 4 /* PC-relative 32-bit. */
|
||
|
|
#define R_MN10300_PCREL16 5 /* PC-relative 16-bit signed. */
|
||
|
|
#define R_MN10300_PCREL8 6 /* PC-relative 8-bit signed. */
|
||
|
|
#define R_MN10300_24 9 /* Direct 24 bit. */
|
||
|
|
#define R_MN10300_RELATIVE 23 /* Adjust by program base. */
|
||
|
|
#define R_MN10300_SYM_DIFF 33 /* Adjustment when relaxing. */
|
||
|
|
#define R_MN10300_ALIGN 34 /* Alignment requirement. */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ELF register definitions..
|
||
|
|
*/
|
||
|
|
typedef unsigned long elf_greg_t;
|
||
|
|
|
||
|
|
#define ELF_NGREG ((sizeof(struct pt_regs) / sizeof(elf_greg_t)) - 1)
|
||
|
|
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
|
||
|
|
|
||
|
|
#define ELF_NFPREG 32
|
||
|
|
typedef float elf_fpreg_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
elf_fpreg_t fpregs[ELF_NFPREG];
|
||
|
|
u_int32_t fpcr;
|
||
|
|
} elf_fpregset_t;
|
||
|
|
|
||
|
|
extern int dump_fpu(struct pt_regs *, elf_fpregset_t *);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is used to ensure we don't load something for the wrong architecture
|
||
|
|
*/
|
||
|
|
#define elf_check_arch(x) \
|
||
|
|
(((x)->e_machine == EM_CYGNUS_MN10300) || \
|
||
|
|
((x)->e_machine == EM_MN10300))
|
||
|
|
|
||
|
|
/*
|
||
|
|
* These are used to set parameters in the core dumps.
|
||
|
|
*/
|
||
|
|
#define ELF_CLASS ELFCLASS32
|
||
|
|
#define ELF_DATA ELFDATA2LSB
|
||
|
|
#define ELF_ARCH EM_MN10300
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ELF process initialiser
|
||
|
|
*/
|
||
|
|
#define ELF_PLAT_INIT(_r, load_addr) \
|
||
|
|
do { \
|
||
|
|
struct pt_regs *_ur = current->thread.uregs; \
|
||
|
|
_ur->a3 = 0; _ur->a2 = 0; _ur->d3 = 0; _ur->d2 = 0; \
|
||
|
|
_ur->mcvf = 0; _ur->mcrl = 0; _ur->mcrh = 0; _ur->mdrq = 0; \
|
||
|
|
_ur->e1 = 0; _ur->e0 = 0; _ur->e7 = 0; _ur->e6 = 0; \
|
||
|
|
_ur->e5 = 0; _ur->e4 = 0; _ur->e3 = 0; _ur->e2 = 0; \
|
||
|
|
_ur->lar = 0; _ur->lir = 0; _ur->mdr = 0; \
|
||
|
|
_ur->a1 = 0; _ur->a0 = 0; _ur->d1 = 0; _ur->d0 = 0; \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#define USE_ELF_CORE_DUMP
|
||
|
|
#define CORE_DUMP_USE_REGSET
|
||
|
|
#define ELF_EXEC_PAGESIZE 4096
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This is the location that an ET_DYN program is loaded if exec'ed. Typical
|
||
|
|
* use of this is to invoke "./ld.so someprog" to test out a new version of
|
||
|
|
* the loader. We need to make sure that it is out of the way of the program
|
||
|
|
* that it will "exec", and that there is sufficient room for the brk.
|
||
|
|
* - must clear the VMALLOC area
|
||
|
|
*/
|
||
|
|
#define ELF_ET_DYN_BASE 0x04000000
|
||
|
|
|
||
|
|
/*
|
||
|
|
* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
|
||
|
|
* now struct user_regs, they are different)
|
||
|
|
* - ELF_CORE_COPY_REGS has been guessed, and may be wrong
|
||
|
|
*/
|
||
|
|
#define ELF_CORE_COPY_REGS(pr_reg, regs) \
|
||
|
|
do { \
|
||
|
|
pr_reg[0] = regs->a3; \
|
||
|
|
pr_reg[1] = regs->a2; \
|
||
|
|
pr_reg[2] = regs->d3; \
|
||
|
|
pr_reg[3] = regs->d2; \
|
||
|
|
pr_reg[4] = regs->mcvf; \
|
||
|
|
pr_reg[5] = regs->mcrl; \
|
||
|
|
pr_reg[6] = regs->mcrh; \
|
||
|
|
pr_reg[7] = regs->mdrq; \
|
||
|
|
pr_reg[8] = regs->e1; \
|
||
|
|
pr_reg[9] = regs->e0; \
|
||
|
|
pr_reg[10] = regs->e7; \
|
||
|
|
pr_reg[11] = regs->e6; \
|
||
|
|
pr_reg[12] = regs->e5; \
|
||
|
|
pr_reg[13] = regs->e4; \
|
||
|
|
pr_reg[14] = regs->e3; \
|
||
|
|
pr_reg[15] = regs->e2; \
|
||
|
|
pr_reg[16] = regs->sp; \
|
||
|
|
pr_reg[17] = regs->lar; \
|
||
|
|
pr_reg[18] = regs->lir; \
|
||
|
|
pr_reg[19] = regs->mdr; \
|
||
|
|
pr_reg[20] = regs->a1; \
|
||
|
|
pr_reg[21] = regs->a0; \
|
||
|
|
pr_reg[22] = regs->d1; \
|
||
|
|
pr_reg[23] = regs->d0; \
|
||
|
|
pr_reg[24] = regs->orig_d0; \
|
||
|
|
pr_reg[25] = regs->epsw; \
|
||
|
|
pr_reg[26] = regs->pc; \
|
||
|
|
} while (0);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This yields a mask that user programs can use to figure out what
|
||
|
|
* instruction set this CPU supports. This could be done in user space,
|
||
|
|
* but it's not easy, and we've already done it here.
|
||
|
|
*/
|
||
|
|
#define ELF_HWCAP (0)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This yields a string that ld.so will use to load implementation
|
||
|
|
* specific libraries for optimization. This is more specific in
|
||
|
|
* intent than poking at uname or /proc/cpuinfo.
|
||
|
|
*
|
||
|
|
* For the moment, we have only optimizations for the Intel generations,
|
||
|
|
* but that could change...
|
||
|
|
*/
|
||
|
|
#define ELF_PLATFORM (NULL)
|
||
|
|
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _ASM_ELF_H */
|