排除编译内核模块的一点警告错误!
初学内核态编程,我想问一下,在编译内核模块后,有这样的错误:
*** Warning: "readPublickeyfromDer" [/usr/experment/cga.ko] undefined!
*** Warning: "exit" [/usr/experment/cga.ko] undefined!
*** Warning: "X509_PUBKEY_get" [/usr/experment/cga.ko] undefined!
*** Warning: "d2i_X509_PUBKEY" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_VerifyFinal" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_PKEY_bits" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_SignFinal" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_MD_CTX_cleanup" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_DigestUpdate" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_DigestInit" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_sha1" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_MD_CTX_init" [/usr/experment/cga.ko] undefined!
*** Warning: "EVP_PKEY_size" [/usr/experment/cga.ko] undefined!
头文件已经包含进去了,我觉得是不是函数没有实现部分,内核态下也有动态链接库这种说法吗?