Fixes some bugs with memory setup and halt-sled allocation and...

tools/nacl_elf_constants.py

+#!/usr/bin/python
+
+# Copyright 2010 The Native Client Authors.  All rights reserved.
+# Use of this source code is governed by a BSD-style license that can
+# be found in the LICENSE file.
+
+import re
+
+def GetNaClElfConstants(header_file):
+
+  symbols = [ 'ELFOSABI_NACL',
+              'EF_NACL_ALIGN_MASK',
+              'EF_NACL_ALIGN_16',
+              'EF_NACL_ALIGN_32',
+              'EF_NACL_ALIGN_LIB',
+              'EF_NACL_ABIVERSION',
+              ]
+
+  extractors = [ r'#\s*define\s+%s\s+([x\d]+)' % s
+                 for s in symbols ]
+
+  nfas = [ re.compile(extractor) for extractor in extractors ]
+  results = len(extractors) * [ -1 ]
+  for line in open(header_file):
+    for ix, nfa in enumerate(nfas):
+      m = nfa.search(line)
+      if m is not None:
+        results[ix] = int(m.group(1), 0)
+        continue
+  if -1 in results:
+    raise RuntimeError, 'Could not parse header file %s' % header_file
+  return dict(zip(symbols, results))