ldd 命令

---

2016-04-22 by dongnan

举个栗子

列出 libsvn_xxx.so 依赖的库。

# 执行命令
ldd -r /usr/lib64/libsvn_fs_base-1.so.0

    linux-vdso.so.1 =>  (0x00007ffe6c732000)
    libsvn_delta-1.so.0 => /usr/lib64/libsvn_delta-1.so.0 (0x00007fe3ebe62000)
    libsvn_fs_util-1.so.0 => /usr/lib64/libsvn_fs_util-1.so.0 (0x00007fe3ebc5f000)
    libsvn_subr-1.so.0 => /usr/lib64/libsvn_subr-1.so.0 (0x00007fe3eba0e000)
    libz.so.1 => /lib64/libz.so.1 (0x00007fe3eb7f8000)
    libsqlite3.so.0 => /usr/lib64/libsqlite3.so.0 (0x00007fe3eb569000)
    libaprutil-1.so.0 => /usr/lib64/libaprutil-1.so.0 (0x00007fe3eb344000)
    libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007fe3eb10d000)
    libexpat.so.1 => /lib64/libexpat.so.1 (0x00007fe3eaee5000)
    libdb-4.7.so => /lib64/libdb-4.7.so (0x00007fe3eab70000)
    libapr-1.so.0 => /usr/lib64/libapr-1.so.0 (0x00007fe3ea944000)
    libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fe3ea727000)
    libc.so.6 => /lib64/libc.so.6 (0x00007fe3ea392000)
    libdl.so.2 => /lib64/libdl.so.2 (0x00007fe3ea18e000)
    libuuid.so.1 => /lib64/libuuid.so.1 (0x00007fe3e9f89000)
    libfreebl3.so => /lib64/libfreebl3.so (0x00007fe3e9d86000)
    /lib64/ld-linux-x86-64.so.2 (0x00000033c3800000)

帮助

# 执行命令
man ldd

NAME
       ldd - print shared library dependencies

SYNOPSIS
       ldd [OPTION]... FILE...

DESCRIPTION
       ldd prints the shared libraries required by each program or shared library specified on the command line.


-r --function-relocs
              Perform relocations for both data objects and functions, and report any missing objects or functions (ELF only).