[Wisp-cvs] wisp/users/dig elf.py,1.2,1.3 makehello.py,1.1,1.2

[<di...@us...>]

Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv4439

Modified Files:
	elf.py makehello.py 
Log Message:
initiated make_ELF32_header

Index: elf.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/elf.py,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- elf.py	6 Feb 2003 21:10:23 -0000	1.2
+++ elf.py	6 Feb 2003 21:28:21 -0000	1.3
@@ -11,6 +11,11 @@
 #
 # The GNU C Library is © 1995-2002 by Free Software Foundation.
 
+class ELFCLASS: # File class
+    NONE         = 0 # Invalid class
+    TETRA        = 1 # 32-bit objects
+    OCTA         = 2 # 64-bit objects
+    NUM          = 3
 class ET: # Legal values for e_type (object file type).
     NONE         = 0      # No file type
     REL          = 1      # Relocatable file
@@ -310,3 +315,11 @@
         GOTPC      = 10              # 32 bit PC relative offset to GOT
         # Keep this the last entry. 
         NUM        = 11
+
+from linkie import Linkie
+
+def make_ELF32_header (byte_order):
+    h = Linkie(byte_order)
+    h.emit_string('\x7F' + 'ELF') # magic
+    h.emit_byte(ELFCLASS.TETRA)
+    return h

Index: makehello.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/makehello.py,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- makehello.py	5 Feb 2003 22:43:57 -0000	1.1
+++ makehello.py	6 Feb 2003 21:28:21 -0000	1.2
@@ -7,6 +7,7 @@
 #### @(#) $Id$
 
 from linkie import Linkie
+from elf import make_ELF32_header
 
 code = Linkie('<') # ia32
 code.place_symbol('_start')
@@ -23,8 +24,12 @@
 data.place_symbol('message')
 data.emit_string('Hello, world!\n')
 
+header = make_ELF32_header('<')
+
+header.dump()
+print
 code.dump()
 print
 data.dump()
 print
-(code + data).dump()
+(header + code + data).dump()