93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
|
|
|
|
#ifndef __ASM_CSKY_ELF_H
|
|
#define __ASM_CSKY_ELF_H
|
|
|
|
#include <asm/ptrace.h>
|
|
#include <abi/regdef.h>
|
|
|
|
#define ELF_ARCH EM_CSKY
|
|
#define EM_CSKY_OLD 39
|
|
|
|
/* CSKY Relocations */
|
|
#define R_CSKY_NONE 0
|
|
#define R_CSKY_32 1
|
|
#define R_CSKY_PCIMM8BY4 2
|
|
#define R_CSKY_PCIMM11BY2 3
|
|
#define R_CSKY_PCIMM4BY2 4
|
|
#define R_CSKY_PC32 5
|
|
#define R_CSKY_PCRELJSR_IMM11BY2 6
|
|
#define R_CSKY_GNU_VTINHERIT 7
|
|
#define R_CSKY_GNU_VTENTRY 8
|
|
#define R_CSKY_RELATIVE 9
|
|
#define R_CSKY_COPY 10
|
|
#define R_CSKY_GLOB_DAT 11
|
|
#define R_CSKY_JUMP_SLOT 12
|
|
#define R_CSKY_ADDR_HI16 24
|
|
#define R_CSKY_ADDR_LO16 25
|
|
#define R_CSKY_PCRELJSR_IMM26BY2 40
|
|
|
|
typedef unsigned long elf_greg_t;
|
|
|
|
typedef struct user_fp elf_fpregset_t;
|
|
|
|
/*
|
|
* In gdb/bfd elf32-csky.c, csky_elf_grok_prstatus() use fixed size of
|
|
* elf_prstatus. It's 148 for abiv1 and 220 for abiv2, the size is enough
|
|
* for coredump and no need full sizeof(struct pt_regs).
|
|
*/
|
|
#define ELF_NGREG ((sizeof(struct pt_regs) / sizeof(elf_greg_t)) - 2)
|
|
|
|
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
|
|
|
|
/*
|
|
* This is used to ensure we don't load something for the wrong architecture.
|
|
*/
|
|
#define elf_check_arch(x) (((x)->e_machine == ELF_ARCH) || \
|
|
((x)->e_machine == EM_CSKY_OLD))
|
|
|
|
/*
|
|
* These are used to set parameters in the core dumps.
|
|
*/
|
|
#define USE_ELF_CORE_DUMP
|
|
#define ELF_EXEC_PAGESIZE 4096
|
|
#define ELF_CLASS ELFCLASS32
|
|
#define ELF_PLAT_INIT(_r, load_addr) { _r->a0 = 0; }
|
|
|
|
#ifdef __cskyBE__
|
|
#define ELF_DATA ELFDATA2MSB
|
|
#else
|
|
#define ELF_DATA ELFDATA2LSB
|
|
#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.
|
|
*/
|
|
#define ELF_ET_DYN_BASE 0x0UL
|
|
#include <abi/elf.h>
|
|
|
|
/* Similar, but for a thread other than current. */
|
|
struct task_struct;
|
|
extern int dump_task_regs(struct task_struct *tsk, elf_gregset_t *elf_regs);
|
|
#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
|
|
|
|
#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)
|
|
#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
|
|
|
|
#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
|
|
struct linux_binprm;
|
|
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
|
|
int uses_interp);
|
|
#endif /* __ASM_CSKY_ELF_H */
|