118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef __ASMm68k_ELF_H
|
||
|
|
#define __ASMm68k_ELF_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ELF register definitions..
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <asm/ptrace.h>
|
||
|
|
#include <asm/user.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 68k ELF relocation types
|
||
|
|
*/
|
||
|
|
#define R_68K_NONE 0
|
||
|
|
#define R_68K_32 1
|
||
|
|
#define R_68K_16 2
|
||
|
|
#define R_68K_8 3
|
||
|
|
#define R_68K_PC32 4
|
||
|
|
#define R_68K_PC16 5
|
||
|
|
#define R_68K_PC8 6
|
||
|
|
#define R_68K_GOT32 7
|
||
|
|
#define R_68K_GOT16 8
|
||
|
|
#define R_68K_GOT8 9
|
||
|
|
#define R_68K_GOT32O 10
|
||
|
|
#define R_68K_GOT16O 11
|
||
|
|
#define R_68K_GOT8O 12
|
||
|
|
#define R_68K_PLT32 13
|
||
|
|
#define R_68K_PLT16 14
|
||
|
|
#define R_68K_PLT8 15
|
||
|
|
#define R_68K_PLT32O 16
|
||
|
|
#define R_68K_PLT16O 17
|
||
|
|
#define R_68K_PLT8O 18
|
||
|
|
#define R_68K_COPY 19
|
||
|
|
#define R_68K_GLOB_DAT 20
|
||
|
|
#define R_68K_JMP_SLOT 21
|
||
|
|
#define R_68K_RELATIVE 22
|
||
|
|
|
||
|
|
typedef unsigned long elf_greg_t;
|
||
|
|
|
||
|
|
#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
|
||
|
|
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
|
||
|
|
|
||
|
|
typedef struct user_m68kfp_struct 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_68K)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* These are used to set parameters in the core dumps.
|
||
|
|
*/
|
||
|
|
#define ELF_CLASS ELFCLASS32
|
||
|
|
#define ELF_DATA ELFDATA2MSB
|
||
|
|
#define ELF_ARCH EM_68K
|
||
|
|
|
||
|
|
/* For SVR4/m68k the function pointer to be registered with `atexit' is
|
||
|
|
passed in %a1. Although my copy of the ABI has no such statement, it
|
||
|
|
is actually used on ASV. */
|
||
|
|
#define ELF_PLAT_INIT(_r, load_addr) _r->a1 = 0
|
||
|
|
|
||
|
|
#if defined(CONFIG_SUN3) || defined(CONFIG_COLDFIRE)
|
||
|
|
#define ELF_EXEC_PAGESIZE 8192
|
||
|
|
#else
|
||
|
|
#define ELF_EXEC_PAGESIZE 4096
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* 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. */
|
||
|
|
|
||
|
|
#ifndef CONFIG_SUN3
|
||
|
|
#define ELF_ET_DYN_BASE 0xD0000000UL
|
||
|
|
#else
|
||
|
|
#define ELF_ET_DYN_BASE 0x0D800000UL
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define ELF_CORE_COPY_REGS(pr_reg, regs) \
|
||
|
|
/* Bleech. */ \
|
||
|
|
pr_reg[0] = regs->d1; \
|
||
|
|
pr_reg[1] = regs->d2; \
|
||
|
|
pr_reg[2] = regs->d3; \
|
||
|
|
pr_reg[3] = regs->d4; \
|
||
|
|
pr_reg[4] = regs->d5; \
|
||
|
|
pr_reg[7] = regs->a0; \
|
||
|
|
pr_reg[8] = regs->a1; \
|
||
|
|
pr_reg[9] = regs->a2; \
|
||
|
|
pr_reg[14] = regs->d0; \
|
||
|
|
pr_reg[15] = rdusp(); \
|
||
|
|
pr_reg[16] = regs->orig_d0; \
|
||
|
|
pr_reg[17] = regs->sr; \
|
||
|
|
pr_reg[18] = regs->pc; \
|
||
|
|
pr_reg[19] = (regs->format << 12) | regs->vector; \
|
||
|
|
{ \
|
||
|
|
struct switch_stack *sw = ((struct switch_stack *)regs) - 1; \
|
||
|
|
pr_reg[5] = sw->d6; \
|
||
|
|
pr_reg[6] = sw->d7; \
|
||
|
|
pr_reg[10] = sw->a3; \
|
||
|
|
pr_reg[11] = sw->a4; \
|
||
|
|
pr_reg[12] = sw->a5; \
|
||
|
|
pr_reg[13] = sw->a6; \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* This yields a mask that user programs can use to figure out what
|
||
|
|
instruction set this cpu supports. */
|
||
|
|
|
||
|
|
#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. */
|
||
|
|
|
||
|
|
#define ELF_PLATFORM (NULL)
|
||
|
|
|
||
|
|
#endif
|