EmbeddedPkg/LauterbachT32: Lauterbach T32 Debug Scripts

These scripts are used for UEFI Source debugging with Lauterbach T32.
They can be used at different stages of the UEFI boot time.

A README.txt file explains how to use these scripts.





git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11599 6f19259b-4bc3-4df7-8a09-765794883524

EmbeddedPkg/Scripts/LauterbachT32/EfiProcessPeImage.cmm

@@ -0,0 +1,77 @@
+;
+; Copyright (c) 2011, Hewlett-Packard Company. All rights reserved.<BR>
+; 
+; This program and the accompanying materials                          
+; are licensed and made available under the terms and conditions of the BSD License         
+; which accompanies this distribution.  The full text of the license may be found at        
+; http://opensource.org/licenses/bsd-license.php                                            
+; 
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+; 
+
+  LOCAL &imgstart &filehdrstart &debugdirentryrva &debugtype &debugrva &dwarfsig &baseofcode &baseofdata &elfbase &elfpath &pathoffset
+  ENTRY &imgstart
+
+  &imgstart=&imgstart
+  print "PE32 image found at &imgstart"
+
+  ; offset from dos hdr to PE file hdr
+  &filehdrstart=&imgstart+Data.Long(c:&imgstart+0x3C)
+
+  ; offset to debug dir in PE hdrs
+  &debugdirentryrva=Data.Long(c:&filehdrstart+0xA8)
+  if &debugdirentryrva==0
+  (
+    print "no debug dir for image at &imgstart"
+    enddo
+  )
+  
+  &debugtype=Data.Long(c:&imgstart+&debugdirentryrva+0xc)
+  if (&debugtype!=0xdf)&&(&debugtype!=0x02)
+  (
+    print "debug type is not dwarf for image at &imgstart, it's &debugtype"
+    enddo
+  )
+  
+  &debugrva=Data.Long(c:&imgstart+&debugdirentryrva+0x14)
+  &dwarfsig=Data.Long(c:&imgstart+&debugrva)
+  
+  if &dwarfsig==0x66727764
+  (
+    &pathoffset=0xc
+  )
+  else
+  (
+    if &dwarfsig==0x3031424E
+    (
+      &pathoffset=0x10
+    )
+    else
+    (
+      print "debug signature not found for image at &imgstart, its &dwarfsig"
+      enddo
+    )
+  )
+
+  &elfpath=Data.String(c:&imgstart+&debugrva+&pathoffset)
+
+  &baseofcode=&imgstart+Data.Long(c:&filehdrstart+0x28)
+  &baseofdata=&imgstart+Data.Long(c:&filehdrstart+0x2c)
+ 
+  if (&baseofcode<&baseofdata)&&(&baseofcode!=0)
+  (
+    &elfbase=&baseofcode;
+  )
+  else
+  (
+    &elfbase=&baseofdata;
+  )
+
+  print "found path &elfpath"
+        ON ERROR GOSUB
+              return
+  data.load.elf &elfpath &elfbase /NOCODE /NOCLEAR
+        ON error
+
+enddo