From: Eli Bendersky <eliben@gmail.com>
Date: Fri, 16 Sep 2011 13:59:52 +0000 (+0300)
Subject: started adding command-line options to readelf
X-Git-Tag: v0.10~120
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=40eb170eb2107610c3c73d40fa38645610f17bb5;p=pyelftools.git

started adding command-line options to readelf
---

diff --git a/scripts/readelf.py b/scripts/readelf.py
index c7f0a8f..91b3637 100755
--- a/scripts/readelf.py
+++ b/scripts/readelf.py
@@ -291,9 +291,28 @@ class ReadElf(object):
 
 
 def main():
-    optparser = OptionParser()
+    optparser = OptionParser(
+            add_help_option=False, # -h is a real option of readelf
+            prog='readelf.py')
+    optparser.add_option('-H', '--help',
+            action='store_true', dest='help',
+            help='Display this information')
+    optparser.add_option('-h', '--file-header',
+            action='store_true', dest='show_file_header')
+    optparser.add_option('-l', '--program-headers', '--segments',
+            action='store_true', dest='show_program_headers')
+    optparser.add_option('-S', '--section-headers', '--sections',
+            action='store_true', dest='show_section_headers')
+    optparser.add_option('-e', '--headers',
+            action='store_true', dest='show_all_headers')
+    optparser.add_option('-s', '--symbols', '--syms',
+            action='store_true', dest='show_symbols')
     options, args = optparser.parse_args()
 
+    if options.help or len(args) == 0:
+        optparser.print_help()
+        sys.exit(0)
+
     with open(args[0], 'rb') as file:
         try:
             readelf = ReadElf(file, sys.stdout)