我运行CentOS的都和Debian的程序。输出是完全一样的,但在Centos中,我在Debian中获得3行粗体,而我没有。那3条线是什么,我怎样才能让他们进入Debian呢?strace的输出问题
execve("./z1", ["./z1"], [/* 31 vars */]) = 0 brk(0) = 0x8458000 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f41000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/home/myuser/public_html/libs/libmudflap.so.0", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0PJ\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=105432, ...}) = 0 mmap2(NULL, 943136, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xd89000 mmap2(0xda2000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19) = 0xda2000 mmap2(0xda3000, 836640, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xda3000 close(3) = 0 open("/home/myuser/public_html/libs/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320m\1\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1327556, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f40000 mmap2(NULL, 1337704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x891000 mprotect(0x9d1000, 4096, PROT_NONE) = 0 mmap2(0x9d2000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x140) = 0x9d2000 mmap2(0x9d5000, 10600, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x9d5000 close(3) = 0 open("/home/myuser/public_html/libs/libdl.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\[email protected]\n\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=9736, ...}) = 0 mmap2(NULL, 12408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x74e000 mmap2(0x750000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x750000 close(3) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f3f000 set_thread_area({entry_number:-1 -> 6, base_addr:0xb7f3f6c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 open("/dev/urandom", O_RDONLY) = 3 read(3, "\f\233\37", 3) = 3 close(3) = 0 mprotect(0x750000, 4096, PROT_READ) = 0
为什么你想,让他们在Debian中,如果你不知道他们做了什么?你试图解决的实际问题是什么? – viraptor 2011-04-30 21:10:21
你总是可以挂钩gdb,在'open'上设置一个断点,为filenam'/ dev/urandom'添加条件并运行...你将会看到究竟是什么调用它 – sehe 2011-04-30 21:14:19