--- /dev/null
+#!/usr/bin/env python
+# Script to arrange sections to ensure fixed offsets.
+#
+# Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
+#
+# This file may be distributed under the terms of the GNU GPLv3 license.
+
+import sys
+
+def main():
+ # Read in section names and sizes
+
+ # sections = [(idx, name, size, align), ...]
+ sections = []
+ for line in sys.stdin.readlines():
+ try:
+ idx, name, size, vma, lma, fileoff, align = line.split()
+ if align[:3] != '2**':
+ continue
+ sections.append((
+ int(idx), name, int(size, 16), int(align[3:])))
+ except:
+ pass
+
+ # fixedsections = [(addr, sectioninfo), ...]
+ fixedsections = []
+ textsections = []
+ rodatasections = []
+ datasections = []
+
+ # Find desired sections.
+ for section in sections:
+ name = section[1]
+ if name[:11] == '.fixedaddr.':
+ addr = int(name[11:], 16)
+ fixedsections.append((addr, section))
+ if name[:6] == '.text.':
+ textsections.append(section)
+ if name[:17] == '.rodata.__func__.' or name == '.rodata.str1.1':
+ rodatasections.append(section)
+ if name[:8] == '.data16.':
+ datasections.append(section)
+
+ # Write regular sections
+ for section in textsections:
+ name = section[1]
+ sys.stdout.write("*(%s)\n" % (name,))
+ sys.stdout.write("code16_rodata = . ;\n")
+ for section in rodatasections:
+ name = section[1]
+ sys.stdout.write("*(%s)\n" % (name,))
+ for section in datasections:
+ name = section[1]
+ sys.stdout.write("*(%s)\n" % (name,))
+
+ # Write fixed sections
+ sys.stdout.write("freespace1_start = . ;\n")
+ first = 1
+ for addr, section in fixedsections:
+ name = section[1]
+ sys.stdout.write(". = ( 0x%x - code16_start ) ;\n" % (addr,))
+ if first:
+ first = 0
+ sys.stdout.write("freespace1_end = . ;\n")
+ sys.stdout.write("*(%s)\n" % (name,))
+
+if __name__ == '__main__':
+ main()