[Hackndev-commit] SF.net SVN: hackndev: [1212] cocoboot/trunk/tools/traceparse.py

[<bob...@us...>]

Revision: 1212
          http://hackndev.svn.sourceforge.net/hackndev/?rev=1212&view=rev
Author:   bobofdoom
Date:     2007-07-27 18:28:12 -0700 (Fri, 27 Jul 2007)

Log Message:
-----------
Cocoboot: traceparse.py: added instruction decoding via objdump.

Modified Paths:
--------------
    cocoboot/trunk/tools/traceparse.py

Modified: cocoboot/trunk/tools/traceparse.py
===================================================================
--- cocoboot/trunk/tools/traceparse.py	2007-07-28 00:38:08 UTC (rev 1211)
+++ cocoboot/trunk/tools/traceparse.py	2007-07-28 01:28:12 UTC (rev 1212)
@@ -1,11 +1,25 @@
 #!/usr/bin/env python
 import struct
 import sys
+import subprocess
+import tempfile
+
+OBJDUMP_CMD = "arm-softfloat-linux-gnueabi-objdump"
+
 if len(sys.argv) < 2:
 	print 'Usage: %s cocoboot.trc' % sys.argv[0]
 	print 'Decodes a raw cocoboot trace dump file'
 	sys.exit(-1)
 
+def decode_instr(instr):
+	tmpf = tempfile.NamedTemporaryFile()
+	tmpf.write(struct.pack('<I', instr))
+	tmpf.flush()
+
+	out = subprocess.Popen([OBJDUMP_CMD, "-D", "-bbinary", "-marm", tmpf.name], stdout=subprocess.PIPE).communicate()[0]
+	print out
+
+
 f = file(sys.argv[1], 'rb')
 while 1:
 	data = f.read(16*4)
@@ -20,6 +34,7 @@
 			reg = 'PC '
 		elif i == 15:
 			reg = '   '
+			decode_instr(w)
 		else:
 			reg = 'r%-2d' % (i-1)
 		print '%s = %08x %-10d %s' % (reg, w,w, repr(s))


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.