[Wisp-cvs] wisp/users/dig elf.py,1.4,1.5

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

Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv20599

Modified Files:
	elf.py 
Log Message:
implemented make_ELF32_header

Index: elf.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/elf.py,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- elf.py	6 Feb 2003 21:40:39 -0000	1.4
+++ elf.py	6 Feb 2003 21:57:05 -0000	1.5
@@ -16,6 +16,11 @@
     TETRA        = 1 # 32-bit objects
     OCTA         = 2 # 64-bit objects
     NUM          = 3
+class ELFDATA: # Data encoding
+    NONE         = 0 # Invalid data encoding
+    TWOLSB       = 1 # 2's complement, little endian
+    TWOMSB       = 2 # 2's complement, big endian
+    NUM          = 3
 class ET: # Legal values for e_type (object file type).
     NONE         = 0      # No file type
     REL          = 1      # Relocatable file
@@ -322,4 +327,25 @@
     h = Linkie(byte_order)
     h.emit_string('\x7F' + 'ELF') # magic
     h.emit_byte(ELFCLASS.TETRA)
+    if byte_order == '<':
+        h.emit_byte(ELFDATA.TWOLSB)
+    elif byte_order == '>':
+        h.emit_byte(ELFDATA.TWOMSB)
+    else:
+        raise 'Invalid byte order', byte_order
+    h.emit_byte(EV.CURRENT)
+    h.emit_string('\0' * 9)
+    h.emit_wyde_sum(['elf/type'])
+    h.emit_wyde_sum(['elf/machine'])
+    h.emit_tetra(EV.CURRENT)
+    h.emit_tetra_sum(['_start'])
+    h.emit_tetra_sum(['elf/phoff'])
+    h.emit_tetra_sum(['elf/shoff'])
+    h.emit_tetra_sum(['elf/flags'])
+    h.emit_wyde(0x34) # e_ehsize
+    h.emit_wyde_sum(['elf/phentsize'])
+    h.emit_wyde_sum(['elf/phnum'])
+    h.emit_wyde_sum(['elf/shentsize'])
+    h.emit_wyde_sum(['elf/shnum'])
+    h.emit_wyde_sum(['elf/shstrndx'])
     return h