61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2021/04/23 chunyexixiaoyu first version
|
|
|
|
*/
|
|
|
|
#include "../dlmodule.h"
|
|
#include "../dlelf.h"
|
|
|
|
#if (__riscv_xlen == 64)
|
|
#define R_RISCV_NONE 0
|
|
#define R_RISCV_32 1
|
|
#define R_RISCV_64 2
|
|
#define R_RISCV_RELATIVE 3
|
|
#define R_RISCV_COPY 4
|
|
#define R_RISCV_JUMP_SLOT 5
|
|
#define R_RISCV_TLS_DTPMOD32 6
|
|
#define R_RISCV_TLS_DTPMOD64 7
|
|
#define R_RISCV_TLS_DTPREL32 8
|
|
#define R_RISCV_TLS_DTPREL64 9
|
|
#define R_RISCV_TLS_TPREL32 10
|
|
#define R_RISCV_TLS_TPREL64 11
|
|
|
|
int dlmodule_relocate(struct rt_dlmodule *module, Elf_Rel *rel, Elf_Addr sym_val)
|
|
{
|
|
Elf64_Addr *where, tmp;
|
|
Elf64_Sword addend, offset;
|
|
rt_uint64_t upper, lower, sign, j1, j2;
|
|
|
|
where = (Elf64_Addr *)((rt_uint8_t *)module->mem_space
|
|
+ rel->r_offset
|
|
- module->vstart_addr);
|
|
switch (ELF64_R_TYPE(rel->r_info))
|
|
{
|
|
case R_RISCV_NONE:
|
|
break;
|
|
case R_RISCV_64:
|
|
*where = (Elf64_Addr)(sym_val + rel->r_addend);
|
|
RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_RISCV_64: %x -> %x\n",where, *where));
|
|
break;
|
|
case R_RISCV_RELATIVE:
|
|
*where = (Elf64_Addr)((rt_uint8_t *)module->mem_space - module->vstart_addr + rel->r_addend);
|
|
RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_RISCV_RELATIVE: %x -> %x\n",where, *where));
|
|
break;
|
|
case R_RISCV_JUMP_SLOT:
|
|
*where = (Elf64_Addr)sym_val;
|
|
RT_DEBUG_LOG(RT_DEBUG_MODULE, ("R_RISCV_JUMP_SLOT: %x -> %x\n",where, *where));
|
|
break;
|
|
default:
|
|
RT_DEBUG_LOG(RT_DEBUG_MODULE, ("__riscv__ELF: invalid relocate TYPE %d\n", ELF64_R_TYPE(rel->r_info)));
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|