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本帖最后由 zyp568 于 2012-8-9 19:51 编辑
写的裸奔程序中,用到vsprintf()函数,无法链接成功。
最初是使用vfprintf()函数的,编译链接都没问题,可是代码过大(768MB),gg以后得知,不是向文件输出的话,应该使用vsprintf(),但是替换函数后,链接出错了。
请教一下是什么问题呐?
我想可能是vsprintf()需要的什么库没有链接进来吧,但是不知道是哪个库。
Makefile如下:
objs1:= output/Head.o output/Init.o output/MMU.o output/Nand_K9F2G08U0B.o output/Interrupt.o
objs2:= output/Test.o output/TFTLCD.o output/Common.o output/UART.o
objs := $(objs1) $(objs2)
lib1 := /home/long/gcc-3.4.5-glibc-2.3.6/lib/gcc/arm-linux/3.4.5/
lib2 := /home/long/gcc-3.4.5-glibc-2.3.6/arm-linux/lib/
Test.bin : $(objs)
arm-linux-ld -TTest.lds -L$(lib1) -o output/Test.elf $^ $(lib2)libc.a -lgcc
arm-linux-objcopy -O binary -S output/Test.elf $@
arm-linux-objdump -D -m arm output/Test.elf > output/Test.dis
output/%.o : source/%.c
arm-linux-gcc -Wall -O2 -c -o $@ $<
output/%.o : source/%.s
arm-linux-gcc -Wall -O2 -c -o $@ $<
clean:
rm -f output/Test.elf output/Test.dis output/*.o Test.bin
函数代码如下:
void UART_Printf( unsigned int iUARTID, const char *pFmt, ... )
{
S32 i;
S8 UART_TxBuffer[128];
va_list ap;
va_start( ap, pFmt );
vsprintf( UART_TxBuffer, pFmt, ap );
va_end( ap );
for( i = 0 ; UART_TxBuffer != '\0' ; i++ )
UART_PutChar( iUARTID, UART_TxBuffer );
UART_PutChar( iUARTID, '\0' );
}
错误信息如下:
arm-linux-ld: section __libc_atexit [000013b0 -> 000013b3] overlaps section second [00001000 -> 00080c6b]
arm-linux-ld: section .rodata [000013b4 -> 000101bb] overlaps section second [00001000 -> 00080c6b]
arm-linux-ld: section .rodata.str1.4 [000101bc -> 00013db1] overlaps section second [00001000 -> 00080c6b]
arm-linux-ld: section __libc_subfreeres [00013db4 -> 00013dd7] overlaps section second [00001000 -> 00080c6b]
arm-linux-ld: section .gnu.linkonce.r.__strtol_ul_max_tab [00013dd8 -> 00013e63] overlaps section second [00001000 -> 00080c6b]
arm-linux-ld: section .gnu.linkonce.r.__strtol_ul_rem_tab [00013e64 -> 00013e86] overlaps section second [00001000 -> 00080c6b]
arm-linux-ld: section .rodata.str4.4 [00013e88 -> 000143e3] overlaps section second [00001000 -> 00080c6b]
arm-linux-ld: section .gnu.linkonce.r.__strtol_ull_max_tab [000143e4 -> 000144fb] overlaps section second [00001000 -> 00080c6b]
arm-linux-ld: section .gnu.linkonce.r.__strtol_ull_rem_tab [000144fc -> 0001451e] overlaps section second [00001000 -> 00080c6b]
make: *** [Test.bin] Error 1
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