成功地编译了opencore-amr to arm64 (lipo -info告诉我的)
架构的未定义符号arm64:"_Decoder_Interface_Decode",引用自:_amr_codec_decode in libpjmedia-codec-arm-apple-darwin9.a(open
"ARM架构程序调用标准“(AAPCS/EABI)声明(5.1.1)"A virtual platform [...] may designate r9 as an additional callee-saved
variable register, v6."问题是: Linux内核是否将r9用于某些特殊目的?或者它被用作普通的非易失性寄存器?