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support elfloader for shared object and relocatable object

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1. elfloader for shared object
example: TencentOS-tiny\examples\elfloader_shared_object
keil: TencentOS-tiny\board\TencentOS_tiny_EVB_MX_Plus\KEIL\elfloader_shared_object

2. elfloader for relocatable object:
example: TencentOS-tiny\examples\elfloader_relocatable_object
keil: TencentOS-tiny\board\TencentOS_tiny_EVB_MX_Plus\KEIL\elfloader_relocatable_object

3. TODO:
- add icache/dcache flush when module is loaded
- support more relocation type in elfloader_arch_relocate
This commit is contained in:
daishengdong
2020-06-09 19:30:38 +08:00
parent dc0c649c7c
commit 0a2d5a4e90
35 changed files with 7342 additions and 10 deletions
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31
components/fs/vfs/include/tos_vfs_file.h
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@@ -1,3 +1,20 @@
/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#ifndef _TOS_VFS_FILE_H_
#define _TOS_VFS_FILE_H_
@@ -10,13 +27,13 @@ typedef struct vfs_inode_st vfs_inode_t;
#define VFS_PATH_MAX 31
// open flags(vfs_oflag_t): open method flags (3rd argument of tos_vfs_open)
#define VFS_OFLAG_READ 0x01
#define VFS_OFLAG_WRITE 0x02
#define VFS_OFLAG_EXISTING 0x00
#define VFS_OFLAG_CREATE_NEW 0x04
#define VFS_OFLAG_CREATE_ALWAYS 0x08
#define VFS_OFLAG_OPEN_ALWAYS 0x10
#define VFS_OFLAG_OPEN_APPEND 0x30
#define VFS_OFLAG_READ 0x01
#define VFS_OFLAG_WRITE 0x02
#define VFS_OFLAG_EXISTING 0x00
#define VFS_OFLAG_CREATE_NEW 0x04
#define VFS_OFLAG_CREATE_ALWAYS 0x08
#define VFS_OFLAG_OPEN_ALWAYS 0x10
#define VFS_OFLAG_OPEN_APPEND 0x30
typedef enum vfs_whence_en {
VFS_SEEK_SET, /* the offset is set to offset bytes */