mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-18 17:54:13 +08:00
132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
#ifndef _ASM_M32R__ELF_H
|
|
#define _ASM_M32R__ELF_H
|
|
|
|
/*
|
|
* ELF-specific definitions.
|
|
*
|
|
* Copyright (C) 1999-2004, Renesas Technology Corp.
|
|
* Hirokazu Takata <takata at linux-m32r.org>
|
|
*/
|
|
|
|
#include <asm/ptrace.h>
|
|
#include <asm/user.h>
|
|
#include <asm/page.h>
|
|
|
|
/* M32R relocation types */
|
|
#define R_M32R_NONE 0
|
|
#define R_M32R_16 1
|
|
#define R_M32R_32 2
|
|
#define R_M32R_24 3
|
|
#define R_M32R_10_PCREL 4
|
|
#define R_M32R_18_PCREL 5
|
|
#define R_M32R_26_PCREL 6
|
|
#define R_M32R_HI16_ULO 7
|
|
#define R_M32R_HI16_SLO 8
|
|
#define R_M32R_LO16 9
|
|
#define R_M32R_SDA16 10
|
|
#define R_M32R_GNU_VTINHERIT 11
|
|
#define R_M32R_GNU_VTENTRY 12
|
|
|
|
#define R_M32R_16_RELA 33
|
|
#define R_M32R_32_RELA 34
|
|
#define R_M32R_24_RELA 35
|
|
#define R_M32R_10_PCREL_RELA 36
|
|
#define R_M32R_18_PCREL_RELA 37
|
|
#define R_M32R_26_PCREL_RELA 38
|
|
#define R_M32R_HI16_ULO_RELA 39
|
|
#define R_M32R_HI16_SLO_RELA 40
|
|
#define R_M32R_LO16_RELA 41
|
|
#define R_M32R_SDA16_RELA 42
|
|
#define R_M32R_RELA_GNU_VTINHERIT 43
|
|
#define R_M32R_RELA_GNU_VTENTRY 44
|
|
|
|
#define R_M32R_GOT24 48
|
|
#define R_M32R_26_PLTREL 49
|
|
#define R_M32R_COPY 50
|
|
#define R_M32R_GLOB_DAT 51
|
|
#define R_M32R_JMP_SLOT 52
|
|
#define R_M32R_RELATIVE 53
|
|
#define R_M32R_GOTOFF 54
|
|
#define R_M32R_GOTPC24 55
|
|
#define R_M32R_GOT16_HI_ULO 56
|
|
#define R_M32R_GOT16_HI_SLO 57
|
|
#define R_M32R_GOT16_LO 58
|
|
#define R_M32R_GOTPC_HI_ULO 59
|
|
#define R_M32R_GOTPC_HI_SLO 60
|
|
#define R_M32R_GOTPC_LO 61
|
|
#define R_M32R_GOTOFF_HI_ULO 62
|
|
#define R_M32R_GOTOFF_HI_SLO 63
|
|
#define R_M32R_GOTOFF_LO 64
|
|
|
|
#define R_M32R_NUM 256
|
|
|
|
/*
|
|
* ELF register definitions..
|
|
*/
|
|
#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
|
|
|
|
typedef unsigned long elf_greg_t;
|
|
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
|
|
|
|
/* We have no FP mumumu. */
|
|
typedef double elf_fpreg_t;
|
|
typedef elf_fpreg_t 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_M32R) || ((x)->e_machine == EM_CYGNUS_M32R))
|
|
|
|
/*
|
|
* These are used to set parameters in the core dumps.
|
|
*/
|
|
#define ELF_CLASS ELFCLASS32
|
|
#if defined(__LITTLE_ENDIAN__)
|
|
#define ELF_DATA ELFDATA2LSB
|
|
#elif defined(__BIG_ENDIAN__)
|
|
#define ELF_DATA ELFDATA2MSB
|
|
#else
|
|
#error no endian defined
|
|
#endif
|
|
#define ELF_ARCH EM_M32R
|
|
|
|
/* r0 is set by ld.so to a pointer to a function which might be
|
|
* registered using 'atexit'. This provides a mean for the dynamic
|
|
* linker to call DT_FINI functions for shared libraries that have
|
|
* been loaded before the code runs.
|
|
*
|
|
* So that we can use the same startup file with static executables,
|
|
* we start programs with a value of 0 to indicate that there is no
|
|
* such function.
|
|
*/
|
|
#define ELF_PLAT_INIT(_r, load_addr) (_r)->r0 = 0
|
|
|
|
#define ELF_EXEC_PAGESIZE PAGE_SIZE
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
|
|
|
|
/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
|
|
now struct_user_regs, they are different) */
|
|
|
|
#define ELF_CORE_COPY_REGS(pr_reg, regs) \
|
|
memcpy((char *)pr_reg, (char *)regs, sizeof (struct pt_regs));
|
|
|
|
/* 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 /* _ASM_M32R__ELF_H */
|