# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1527613298 -7200
# Node ID b921e4f8cd4c8602b291a3bc5210ca140a6db5d0
# Parent  b14943b6433cd99106ce6a935a541bc3b57713ba
Added a script that attempts to show library module requirements for a payload.
This also shows a library that will not be detected.

diff -r b14943b6433c -r b921e4f8cd4c tools/listlibs.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/listlibs.sh	Tue May 29 19:01:38 2018 +0200
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+CONF="$1"
+
+if [ ! "$CONF" ] || [ ! -e "$CONF" ] ; then
+    cat 1>&2 <<EOF
+Usage: $0 <configuration filename>
+
+List modules required by the given system/payload configuration. These modules
+should be added to the configuration file so that the dynamic linker can find
+them in the running system.
+EOF
+    exit 1
+fi
+
+BIN=mybuild/bin/mips_32/l4f
+TMPLIBS=_libs.txt
+
+echo -n > "$TMPLIBS"
+
+for MODULE in `grep '^module ' "$CONF" | sed 's/module //'` ; do
+    PROG=`basename "$MODULE" .cfg`
+    if [ "$PROG" != "$MODULE" ] ; then
+        continue
+    fi
+    PROG=`basename "$MODULE" .io`
+    if [ "$PROG" != "$MODULE" ] ; then
+        continue
+    fi
+    PROG=`basename "$MODULE" .so`
+    if [ "$PROG" != "$MODULE" ] ; then
+        continue
+    fi
+    if [ ! -e "$BIN/$PROG" ] ; then
+        echo "Not found: $PROG" 1>&2
+        exit 1
+    fi
+    mipsel-linux-gnu-readelf -d "$BIN/$PROG" | grep NEEDED | sed 's/.*\[//;s/\]$//' >> "$TMPLIBS"
+done
+
+# Explicitly add undetected module.
+
+echo "libl4sys-direct.so" >> "$TMPLIBS"
+
+sort -u "$TMPLIBS" | sed 's/^/module /'
+rm "$TMPLIBS"