0a2d5a4e90
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
41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#include "tos_vfs.h"
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#include "tos_elfloader.h"
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/*
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ATTENTION:
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if you wanna load the so/obj laying on your flash, you should implement "elfloader_fd_read"
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with flash driver read/write operation.
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very easy to use whether your module is on a file system or raw flash.
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*/
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__KNL__ __WEAK__ el_err_t elfloader_fd_read(int fd, uint32_t offset, void *buf, size_t len)
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{
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if (tos_vfs_lseek(fd, (vfs_off_t)offset, VFS_SEEK_SET) < 0) {
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return ELFLOADER_ERR_FD_READ_FAILED;
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}
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if (tos_vfs_read(fd, buf, len) < 0) {
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return ELFLOADER_ERR_FD_READ_FAILED;
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}
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return ELFLOADER_ERR_NONE;
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}
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