hackndev-commit

[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))


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[Hackndev-commit] SF.net SVN: hackndev: [1216] cocoboot/trunk/tools/traceparse.py

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

Revision: 1216
          http://hackndev.svn.sourceforge.net/hackndev/?rev=1216&view=rev
Author:   bobofdoom
Date:     2007-07-28 18:22:46 -0700 (Sat, 28 Jul 2007)

Log Message:
-----------
Cocoboot: Improved instruction decoding on traceparse.py by Sergey Lapin.

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

Modified: cocoboot/trunk/tools/traceparse.py
===================================================================
--- cocoboot/trunk/tools/traceparse.py	2007-07-29 00:47:07 UTC (rev 1215)
+++ cocoboot/trunk/tools/traceparse.py	2007-07-29 01:22:46 UTC (rev 1216)
@@ -16,7 +16,8 @@
 	tmpf.write(struct.pack('<I', instr))
 	tmpf.flush()
 
-	out = subprocess.Popen([OBJDUMP_CMD, "-D", "-bbinary", "-marm", tmpf.name], stdout=subprocess.PIPE).communicate()[0]
+	out = subprocess.Popen([OBJDUMP_CMD, "-D", "-bbinary", "-marm", "-Mreg-names-raw", tmpf.name], stdout=subprocess.PIPE).communicate()[0]
+	out = out.split('\n')[6]
 	print out
 
 
@@ -26,17 +27,40 @@
 	if not data: break
 
 	words = struct.unpack('<16I', data)
-	for i, w in zip(range(len(words)), words):
-		s = str(struct.pack('<I', w))
-		if i == 0:
-			reg = '   '
-		elif i == 14:
-			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))
-	print '-' * 20
-	print
+	if (words[15] & 0xffffff00) == 0xe580c000:
+		print '0x%08x = 0x%08x' % (words[1]+(words[15] & 0xff), words[13])
+	elif (words[15] & 0xffffff00) == 0xe5810000:
+		print '0x%08x = 0x%08x' % (words[2]+(words[15] & 0xff), words[1])
+	elif (words[15] & 0xffffff00) == 0xe5812000:
+		print '0x%08x = 0x%08x' % (words[2]+(words[15] & 0xff), words[3])
+	elif (words[15] & 0xffffff00) == 0xe5801000:
+		print '0x%08x = 0x%08x' % (words[1]+(words[15] & 0xff), words[2])
+#	elif (words[15] & 0xffffff00) == 0xe583e000:
+#		print '%08x = %08x' % (words[2]+(words[15] & 0xff), words[4])
+	elif (words[15] & 0xffffff00) == 0xe5813000:
+		print '0x%08x = 0x%08x' % (words[2]+(words[15] & 0xff), words[4])
+	elif (words[15] & 0xffffff00) == 0xe5821000:
+		print '0x%08x = 0x%08x' % (words[3]+(words[15] & 0xff), words[2])
+	elif (words[15] & 0xffffff00) == 0xe5900000:
+		print 'ldr     r0, [r0, #%d] => 0x%08x' % ((words[15] & 0xff), words[1])
+	elif (words[15] & 0xffffff00) == 0xe5911000:
+		print 'ldr     r1, [r1, #%d] => 0x%08x' % ((words[15] & 0xff), words[2])
+	elif (words[15] & 0xffffff00) == 0xe59ee000:
+		print 'ldr     r14, [r14, #%d] => ???' % ((words[15] & 0xff))
+	elif (words[15] & 0xffffff00) == 0xe591e000:
+		print '0x%08x => r14' % (words[2]+(words[15] & 0xff))
+	else:
+		for i, w in zip(range(len(words)), words):
+			s = str(struct.pack('<I', w))
+			if i == 0:
+				reg = '   '
+			elif i == 14:
+				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))
+		print '-' * 20
+		print


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