On 08/31/2011 12:58 AM, Cyrill Gorcunov wrote: > From: Pavel Emelyanov <xemul@xxxxxxxxxxxxx> > > This one behaves similarly to the /proc/<pid>/fd/ one - it contains symlinks > one for each mapping with file, the name of a symlink is "vma->vm_start-vma->vm_end", > the target is the file. Opening a symlink results in a file that point exactly > to the same inode as them vma's one. > > For example the ls -l of some arbitrary /proc/<pid>/map_files/ > > | lr-x------ 1 root root 64 Aug 26 06:40 7f8f80403000-7f8f80404000 -> /lib64/libc-2.5.so > | lr-x------ 1 root root 64 Aug 26 06:40 7f8f8061e000-7f8f80620000 -> /lib64/libselinux.so.1 > | lr-x------ 1 root root 64 Aug 26 06:40 7f8f80826000-7f8f80827000 -> /lib64/libacl.so.1.1.0 > | lr-x------ 1 root root 64 Aug 26 06:40 7f8f80a2f000-7f8f80a30000 -> /lib64/librt-2.5.so > | lr-x------ 1 root root 64 Aug 26 06:40 7f8f80a30000-7f8f80a4c000 -> /lib64/ld-2.5.so This doesn't seem to fully export all the information passed to mmap(2) -- it encompasses the addr, size, fd and (assuming the generated symlink's permissions are accurate) prot parameters, but does nothing to export the flags or offset parameters. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
