2.6模塊編譯時(shí)遇到的問(wèn)題，插入時(shí)N多符號(hào)找不到

arethe

我想將一個(gè)本來(lái)為2.4內(nèi)核開(kāi)發(fā)的模塊移到2.6內(nèi)核上，修改了入口函數(shù)和Makefile后，編譯能通過(guò)，但插入時(shí)報(bào)出很多符號(hào)找不到，dmesg如下：
［code]
plc: Unknown symbol __eqdf2
plc: Unknown symbol __fixsfsi
plc: Unknown symbol __gtdf2
plc: Unknown symbol __floatsidf
plc: Unknown symbol __ltdf2
plc: Unknown symbol Logic
plc: Unknown symbol __extendsfdf2
plc: Unknown symbol __adddf3
plc: Unknown symbol __fixdfsi
plc: Unknown symbol __ledf2
plc: Unknown symbol __floatsisf
plc: Unknown symbol __divdf3
plc: Unknown symbol __muldf3
plc: Unknown symbol __truncdfsf2
plc: Unknown symbol __nedf2
plc: Unknown symbol _GLOBAL_OFFSET_TABLE_
plc: Unknown symbol __gedf2
plc: Unknown symbol __subdf3
plc: Unknown symbol __addsf3
[/code]

Makefile 如下：

1. 
   
2. MODULE_FOR_RTL = RTMain.o File.o Tools.o Hardware.o Logic.o
   
3. EXTRA_CFLAGS := -DHAVE_RTAI -I$(RTAI_DIR)/include -I$(KERNEL_DIR)/include -DMODULE -D__KERNEL__ -DLINUX -DRTAI -Drtai -I/usr/include -L/usr/lib/gcc/i386-redhat-linux/4.1.2/ -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
   
4. 
   
5.    obj-m := plc.o
   
6.    plc-y := $(MODULE_FOR_RTL) libgcc.a
   
7.    KERNELDIR := /usr/src/linux
   
8.    PWD := $(shell pwd)
   
9. 
   
10. all:
    
11.         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
    
12.         $(LD) -r -o PLC_MODULE.ko plc.ko libgcc.a -L/usr/lib
    
13. 
    

復(fù)制代碼

請(qǐng)問(wèn)這些符號(hào)是那個(gè)庫(kù)文件里的？我的Makefile是否有問(wèn)題？