WebApr 10, 2024 · 在链接主程序是，无需指定 libx2.so，由于链接器能够分析 libx1.so 中的 rpath 列表，因此它能够找到 libx2.so，同时在静态链接阶段解析出所有的符号。 可以通过 readelf --dynamic 或者等价的 readelf -d 命令的输出来查看 rpath 列表。 ELF DT_RPATH 和 DT_RUNPATH 条目 I'm aware that it is possible to use readelf -d grep RPATH to inspect a given binary from the shell, but is it possible to do this within a process? Something like (my completely made up system call): /* get a copy of current rpath into buffer */ sys_get_current_rpath(&buffer);
RPATH与RUNPATH的区别RPATH与RUNPATH的区别 - 天天好运
WebJun 20, 2010 · The DT_RPATH is a .dynamic attribute that provides further search paths for the object it is listed in (it can be used both for executables and for shared objects); the list is inserted in-between the LD_LIBRARY_PATH environment variable and the search libraries from the /etc/ld.so.conf file. Webreadelf: to see infos about a elf, you could use readelf -d xxx to see its dynamic section, where RPATH is located. strings: to print strings infos about an file. Use strings glibc.so.1 grep GLIBC to see which vesions are supported by the lib. References: PatchELF Redirecting functions in shared ELF libraries ld-linux manpage red heat quotes
rpath vs runpath. Before we understand the difference
WebJul 9, 2024 · rpath provides a way of embedding your custom run-time library search path in the ELF header so that your custom libraries can be found as well without having to specify the search path each time it is used. This applies to libraries that depend on libraries as well. WebSep 21, 2011 · Anyone who works with building something with a few libraries will quickly become familiar with rpath's; that is the ability to store a path inside a binary for finding … WebNov 4, 2024 · Method 1: To add custom directories to the library linking search directories list, use LIBRARY_PATH environment variable. For example: LIBRARY_PATH=./mylib:/home/transang/my_libs gcc foo.o bar.o -o foo. Method 2: add the flag -L to gcc when linking. For example: gcc -L/home/transang/my_libs … ribfest sioux falls tickets