Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv354
Modified Files:
elf.py makehello.py
Log Message:
wrote emit_ELF32_symtab_entry
Index: elf.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/elf.py,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -d -r1.15 -r1.16
--- elf.py 3 Apr 2003 08:49:11 -0000 1.15
+++ elf.py 3 Apr 2003 09:12:01 -0000 1.16
@@ -393,6 +393,19 @@
symstr.emit_byte(0)
return ofs
+def emit_ELF32_symtab_entry (symtab, symstr, pname,
+ value = None, section = SHN.ABS):
+ # No explicit alignment. .symtab doesn't bear padding; if
+ # you get it out of align, you're out of luck anyway.
+ ofs = emit_ELF32_symstr_entry (symstr, pname[1:])
+ symtab.emit_tetra(ofs)
+ if value == None: symtab.emit_tetra_sum([pname])
+ else: symtab.emit_tetra(value)
+ symtab.emit_tetra(0) # st_size
+ symtab.emit_byte(STB.GLOBAL << 4 | STT.NOTYPE)
+ symtab.emit_byte(0) # st_other; reserved
+ symtab.emit_wyde(section)
+
# Thoughts of generating ELF32 files
# * In ELF parlance, linker notes are called relocations.
# We need to solve relocations only when generating an
Index: makehello.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/makehello.py,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -d -r1.17 -r1.18
--- makehello.py 3 Apr 2003 08:49:12 -0000 1.17
+++ makehello.py 3 Apr 2003 09:12:02 -0000 1.18
@@ -164,16 +164,12 @@
binary.place_symbol('!' + name)
binary.paste(-1, section)
if want_symbols:
+ symtab = sections['.symtab']
+ symstr = sections['.symstr']
for symbol, value in section.get_symbols():
- if symbol[0] != '&': continue # only process memory references
- symbol = symbol[1:] # but not their prefixen
- ofs = emit_ELF32_symstr_entry(sections['.symstr'], symbol)
- sections['.symtab'].emit_tetra(ofs)
- sections['.symtab'].emit_tetra_sum(['&' + name])
- sections['.symtab'].emit_tetra(0)
- sections['.symtab'].emit_byte(STB.GLOBAL << 4 | STT.NOTYPE)
- sections['.symtab'].emit_byte(0)
- sections['.symtab'].emit_wyde(shentnames.index(name) + 1)
+ if symbol[0] == '&': # only process memory references
+ emit_ELF32_symtab_entry(symtab, symstr, symbol, value,
+ shentnames.index(name) + 1)
memory_boundary += section.memsz()
memory_boundary = (memory_boundary + 0xFFF) & ~0xFFF
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