los_load_elf.h 文件参考

浏览源代码.

结构体
struct	ELFInfo
struct	ELFLoadInfo

函数
STATIC INLINE BOOL	OsIsBadUserAddress (VADDR_T vaddr)
	不超过用户空间顶部位置 更多...
UINT32	OsGetRndOffset (INT32 randomDevFD)
INT32	OsLoadELFFile (ELFLoadInfo *loadInfo)

函数说明

OsGetRndOffset()

UINT32 OsGetRndOffset

(

INT32

randomDevFD

)

在文件 los_load_elf.c 第 719 行定义.

{
    UINT32 randomValue = 0;
 
#ifdef LOSCFG_ASLR
    if (read(randomDevFD, &randomValue, sizeof(UINT32)) == sizeof(UINT32)) {
        randomValue &= RANDOM_MASK;
    } else {
        randomValue = (UINT32)random() & RANDOM_MASK;
    }
#else
    (VOID)randomDevFD;
#endif
 
    return ROUNDDOWN(randomValue, PAGE_SIZE);
}

这是这个函数的调用关系图:

OsIsBadUserAddress()

STATIC INLINE BOOL OsIsBadUserAddress

(

VADDR_T

vaddr

)

不超过用户空间顶部位置

在文件 los_load_elf.h 第 126 行定义.

{
    return (vaddr >= USER_STACK_TOP_MAX);
}

这是这个函数的调用关系图:

OsLoadELFFile()

INT32 OsLoadELFFile

(

ELFLoadInfo *

loadInfo

)

在文件 los_load_elf.c 第 1042 行定义.

{
    INT32 ret;
 
    OsLoadInit(loadInfo);
 
    ret = OsReadEhdr(loadInfo->fileName, &loadInfo->execInfo, TRUE);
    if (ret != LOS_OK) {
        goto OUT;
    }
 
    ret = OsReadPhdrs(&loadInfo->execInfo, TRUE);
    if (ret != LOS_OK) {
        goto OUT;
    }
 
    ret = OsReadInterpInfo(loadInfo);
    if (ret != LOS_OK) {
        goto OUT;
    }
 
    ret = OsSetArgParams(loadInfo, loadInfo->argv, loadInfo->envp);
    if (ret != LOS_OK) {
        goto OUT;
    }
 
    OsFlushAspace(loadInfo);
 
    ret = OsLoadELFSegment(loadInfo);
    if (ret != LOS_OK) {
        OsExecProcessVmSpaceRestore(loadInfo->oldSpace);
        goto OUT;
    }
 
    OsDeInitLoadInfo(loadInfo);
 
    return LOS_OK;
 
OUT:
    OsDeInitFiles(loadInfo);
    (VOID)LOS_VmSpaceFree(loadInfo->newSpace);
    (VOID)OsDeInitLoadInfo(loadInfo);
    return ret;
}

函数调用图:

这是这个函数的调用关系图: