#!/usr/bin/env python
#
# Copyright (c) 2008 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
"""
Binary package creator
"""
import sys
import os
import subprocess
def usage(prname):
"Print usage syntax"
print prname + " <OBJCOPY> <FORMAT> <ARCH> <ALIGNMENT> <UINTPTR>"
def main():
if (len(sys.argv) < 6):
usage(sys.argv[0])
return
if (not sys.argv[4].isdigit()):
print "<ALIGNMENT> must be a number"
return
objcopy = sys.argv[1]
format = sys.argv[2]
arch = sys.argv[3]
align = int(sys.argv[4], 0)
uintptr = sys.argv[5]
workdir = os.getcwd()
header = file("_components.h", "w")
data = file("_components.c", "w")
header.write("#ifndef ___COMPONENTS_H__\n")
header.write("#define ___COMPONENTS_H__\n\n")
data.write("#include \"_components.h\"\n\n")
data.write("void init_components(component_t *components)\n")
data.write("{\n")
cnt = 0
link = ""
for task in sys.argv[6:]:
basename = os.path.basename(task)
plainname = os.path.splitext(basename)[0]
path = os.path.dirname(task)
object = plainname + ".o"
symbol = "_binary_" + basename.replace(".", "_")
macro = plainname.upper()
print task + " -> " + object
if (align > 1):
link += "\t\t. = ALIGN(" + ("%d" % align) + ");\n"
link += "\t\t*(." + plainname + "_image);\n"
header.write("extern int " + symbol + "_start;\n")
header.write("extern int " + symbol + "_end;\n\n")
header.write("#define " + macro + "_START ((void *) &" + symbol + "_start)\n")
header.write("#define " + macro + "_END ((void *) &" + symbol + "_end)\n")
header.write("#define " + macro + "_SIZE ((" + uintptr + ") " + macro + "_END - (" + uintptr + ") " + macro + "_START)\n\n")
data.write("\tcomponents[" + ("%d" % cnt) + "].name = \"" + plainname + "\";\n")
data.write("\tcomponents[" + ("%d" % cnt) + "].start = " + macro + "_START;\n")
data.write("\tcomponents[" + ("%d" % cnt) + "].end = " + macro + "_END;\n")
data.write("\tcomponents[" + ("%d" % cnt) + "].size = " + macro + "_SIZE;\n\n")
os.chdir(path)
subprocess.call([objcopy,
"-I", "binary",
"-O", format,
"-B", arch,
"--rename-section", ".data=." + plainname + "_image",
basename, os.path.join(workdir, object)])
os.chdir(workdir)
cnt += 1
header.write("#define COMPONENTS " + ("%d" % cnt) + "\n\n")
header.write("typedef struct {\n")
header.write("\tchar *name;\n\n")
header.write("\tvoid *start;\n")
header.write("\tvoid *end;\n")
header.write("\t" + uintptr + " size;\n")
header.write("} component_t;\n\n")
header.write("extern void init_components(component_t *components);\n\n")
header.write("#endif\n")
data.write("}\n")
header.close()
data.close()
linkname = "_link.ld"
link_in = file(linkname + ".in", "r")
template = link_in.read(os.path.getsize(linkname + ".in"))
link_in.close()
link_out = file(linkname, "w")
link_out.write(template.replace("[[COMPONENTS]]", link))
link_out.close()
if __name__ == '__main__':
main()