From: ebenders <devnull@localhost>
Date: Wed, 7 Sep 2011 12:36:11 +0000 (+0300)
Subject: * also create other stuff in struct constructor
X-Git-Tag: v0.10~142
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ec1e088e65b3d72d9c89c2a7c49176b2fc094982;p=pyelftools.git

* also create other stuff in struct constructor
* sample for getting ELF's string table contents
---

diff --git a/elftools/elf/structs.py b/elftools/elf/structs.py
index bfaca07..090a8a9 100644
--- a/elftools/elf/structs.py
+++ b/elftools/elf/structs.py
@@ -36,6 +36,8 @@ class ELFStructs(object):
             self.Elf_sxword = SBInt32 if self.elfclass == 32 else SBInt64
         
         self._create_ehdr()
+        self._create_shdr()
+        self._create_sym()
     
     def _create_ehdr(self):
         self.Elf_Ehdr = Struct('Elf_Ehdr',
diff --git a/z.py b/z.py
index b52b969..aa4672e 100644
--- a/z.py
+++ b/z.py
@@ -1,10 +1,30 @@
+import sys
 from elftools.elf.structs import ELFStructs
 
+# read a little-endian, 64-bit file
 es = ELFStructs(True, 64)
 
-
 stream = open('binfiles/z.elf', 'rb')
-print es.Elf_Ehdr.parse_stream(stream)
+eheader = es.Elf_Ehdr.parse_stream(stream)
+
+print eheader
+
+shtable_offset = eheader.e_shoff
+strtable_section_offset = shtable_offset + eheader.e_shstrndx * eheader.e_shentsize
+
+# get to the section header for the sh string table
+print strtable_section_offset
+stream.seek(strtable_section_offset)
+sheader = es.Elf_Shdr.parse_stream(stream)
+print sheader
+
+# yay, looks correct!!
+stream.seek(sheader.sh_offset)
+buf = stream.read(sheader.sh_size)
+for c in buf:
+    sys.stdout.write('%02X' % ord(c))
+
+
 
 
 #~ print es.Elf_Ehdr