预链接错误:预链接交叉:简单的你好世界示例
Prelink Error: prelink-cross: simple hello world example
我正在尝试交叉预链接一个简单的hello world程序。我使用交叉编译工具链arm-2012.03-57-arm-none-linux-gnueabi-i686-pc-linux-gnu,我不确定我是否使用了prelink-cross选项相关。如果有人能指出我正确的方向,我会很高兴。有关 github 上的源代码的更多详细信息。谢谢。
项目目录树
|-arm-2012.03/
|...
|-src/
|-main.cpp
|-bin/
|-hello
|-prelink_arm.conf
主.cpp
#include <stdio.h>
int main (int argc, char *argv[])
{
fprintf(stdout, "hello worldn");
return 0;
}
prelink_arm.conf
-l arm-2012.03/arm-none-linux-gnueabi/libc/lib
-h arm-2012.03/arm-none-linux-gnueabi/libc/lib
-l arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib
-h arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib
编译
arm-2012.03/bin/arm-none-linux-gnueabi-gcc -Wall -o bin_arm/hello src/main.cpp
预链接
PATH=/usr/local/sbin prelink --verbose --cache-file=cache/prelink_arm.cache --config-file=prelink_arm.conf --ld-library-path="arm-2012.03/arm-none-linux-gnueabi/libc/lib;arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib;" -h bin_arm/hello
错误信息
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/getent: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/POSIX_V6_ILP32_OFFBIG: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/iconv: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/sprof: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/iconvconfig: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/POSIX_V7_ILP32_OFF32: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/zdump: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/pcprofiledump: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/gencat: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/gdbserver: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/pldd: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/locale: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/localedef: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/XBS5_ILP32_OFFBIG: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/zic: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/POSIX_V7_ILP32_OFFBIG: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/rpcgen: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/makedb: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/getconf: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/XBS5_ILP32_OFF32: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib/bin/POSIX_V6_ILP32_OFF32: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
prelink: bin_arm/hello: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
如果我将可执行文件依赖的所有库提取到一个单独的文件夹中并相应地设置链接,那么我仍然会收到以下错误:
prelink: bin_arm/hello: Could not parse `/usr/local/sbin//prelink-rtld: error while loading shared libraries: ld-linux.so.3'
是的,我找到了解决方案:
我必须指定 sysroot 并明确告诉预链接要预编译哪些库。
目录结构现在如下所示:
|- arm-2012.03/arm-none-linux-gnueabi/libc/usr/local/bin/hello
- /arm-none-linux-gnueabi
- libc
- lib
- libc-2.15.so
|- libgcc_s.so.1
|- ld-2.15.so
|- ...
|- usr
- local
- bin
- hello
|- etc
- prelink.conf
|- Makefile
预链接
-l /libc/lib
-h /libc/lib
这是预链接命令:
PATH=/usr/local/sbin prelink --verbose --root=arm-2012.03/arm-none-linux-gnueabi/libc/ --cache-file=/etc/cache/prelink.cache --config-file=/etc/prelink.conf --ld-library-path="/lib;" -h /usr/local/bin/hello /lib/libc-2.15.so /lib/libgcc_s.so.1 /lib/ld-2.15.so
源代码可以在github上找到,确保签出两个分支"master"和"shared-library":https://github.com/fnbk/prelink-cross-example
我想你必须使用:
此处为 lib 文件夹的完整路径:
prelink_arm.conf
-l arm-2012.03/arm-none-linux-gnueabi/libc/lib
-h arm-2012.03/arm-none-linux-gnueabi/libc/lib
-l arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib
-h arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib
在这里 + 将$PATH添加到 PATH 变量:
预链接
PATH=/usr/local/sbin:$PATH prelink --verbose
--cache-file=cache/prelink_arm.cache --config-file=prelink_arm.conf
--ld-library-path="arm-2012.03/arm-none-linux-gnueabi/libc/lib;arm-2012.03/arm-none-linux-gnueabi/libc/usr/lib;"
-h bin_arm/hello
实际上,所有这些错误都指向您:
无法解析/usr/local/sbin//prelink-rtld: 加载共享库时出错: ld-linux.so.3
如果前 2 个音符没有帮助,您可以尝试:
- 查找/下载
ld-linux.so.3
- 设置
export LD_LIBRARY_PATH=$PATH_TO_LD_LINUX_SO_3:$LD_LIBRARY_PATH
- 或者使用
--ld-library-path=
选项添加它,就像它已经为其他库所做的那样
它会将自定义搜索路径添加到您的环境中。
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