134 lines
4.4 KiB
C
134 lines
4.4 KiB
C
/*
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* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LOS_LOAD_ELF_H
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#define _LOS_LOAD_ELF_H
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#include "los_ld_elf_pri.h"
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#include "los_elf_auxvec_pri.h"
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#include "los_process_pri.h"
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#include "los_memory.h"
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#include "los_strncpy_from_user.h"
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#include "los_strnlen_user.h"
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#include "los_user_put.h"
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#include "los_user_get.h"
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#include "user_copy.h"
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#include "sys/stat.h"
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#ifdef LOSCFG_DRIVERS_TZDRIVER
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#include "fs/file.h"
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#endif
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#include "fs/fs.h"
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#include "unistd.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#define INTERP_FULL_PATH "/lib/libc.so"
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#define INVALID_FD (-1)
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#define STRINGS_COUNT_MAX 256
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#define ELF_PHDR_NUM_MAX 128
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#define FILE_LENGTH_MAX 0x1000000
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#define MEM_SIZE_MAX 0x1000000
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#ifndef FILE_PATH_MAX
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#define FILE_PATH_MAX PATH_MAX
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#endif
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#ifndef FILE_PATH_MIN
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#define FILE_PATH_MIN 2
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#endif
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#define USER_STACK_SIZE 0x100000
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#define USER_PARAM_BYTE_MAX 0x1000
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#define USER_STACK_TOP_MAX USER_ASPACE_TOP_MAX
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#define EXEC_MMAP_BASE 0x02000000
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#ifdef LOSCFG_ASLR
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#define RANDOM_MASK ((((USER_ASPACE_TOP_MAX + GB - 1) & (-GB)) >> 3) - 1)
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#endif
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#define STACK_ALIGN_SIZE 0x10
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/* The permissions on sections in the program header. */
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#define PF_R 0x4
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#define PF_W 0x2
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#define PF_X 0x1
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typedef struct {
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const CHAR *fileName;
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CHAR *execName;
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INT32 argc;
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INT32 envc;
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CHAR *const *argv;
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CHAR *const *envp;
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UINTPTR stackTop;
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UINTPTR stackTopMax;
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UINTPTR stackBase;
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UINTPTR stackParamBase;
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UINT32 stackSize;
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INT32 stackProt;
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UINTPTR loadAddr;
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UINTPTR elfEntry;
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LD_ELF_EHDR elfEhdr;
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LD_ELF_PHDR *elfPhdr;
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UINT32 execFileLen;
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INT32 execFD;
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LD_ELF_EHDR interpELFEhdr;
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LD_ELF_PHDR *interpELFPhdr;
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UINT32 interpFileLen;
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INT32 interpFD;
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UINTPTR topOfMem;
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UINTPTR oldFiles;
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LosVmSpace *newSpace;
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LosVmSpace *oldSpace;
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#ifdef LOSCFG_ASLR
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INT32 randomDevFD;
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#endif
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} ELFLoadInfo;
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STATIC INLINE BOOL OsIsBadUserAddress(VADDR_T vaddr)
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{
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return (vaddr >= USER_STACK_TOP_MAX);
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}
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extern INT32 OsLoadELFFile(ELFLoadInfo *loadInfo);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* _LOS_ELF_LIB_H */
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