Added new functionality to filereadmon plugin

- Added 64 bit support for windows
- Added Linux support for 32 and 64 bit
- Added pread system calls for Linux OS

panda/plugins/filereadmon/README.md

@@ -9,6 +9,10 @@ the syscalls2 plugin to perform a targeted analysis of a binary.  This plugin
 prints out the names of opened files.  It also dumps the stream of bytes read
 from input files.
 
+This plugin can be ran with Windows (only supports x86 (32-bit) and 64-bit Windows 7) and any supported Linux OS.
+
+**Note:** Analysis can't be done for 32-bit apps running on a 64-bit guest at the momemnt since *syscall2* does not yet support it.
+
 Arguments
 ---------
 
@@ -19,6 +23,8 @@ Dependencies
 
 `filereadmon` depends on **syscalls2** to intercept the appropriate file-related APIs (`open`, `read`, etc.).
 
+If plugin is being used for a Linux OS then it also depends on the **osi** plugin to get information about file objects from their file descriptors. The **osi_linux** plugin is also needed to provide the Linux introspection information.
+
 APIs and Callbacks
 ------------------
 
@@ -31,3 +37,10 @@ Example
     $PANDA_PATH/i386-softmmu/panda-system-i386 -replay foo \
         -os windows-32-xpsp3 -panda filereadmon
 ```
+
+```
+    $PANDA_PATH/x86_64-softmmu/panda-system-x86_64 -replay foo \
+    -panda osi \
+    -panda osi_linux:kconf_group=ubuntu:5.3.0-28-generic:64 \
+    -os linux-64-ubuntu -panda filereadmon
+```