0,0 → 1,143 |
#!/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> <OUTPUT_FORMAT> <ARCH> <ALIGNMENT>" |
|
def main(): |
if (len(sys.argv) < 6): |
usage(sys.argv[0]) |
return |
|
if (not sys.argv[5].isdigit()): |
print "<ALIGNMENT> must be a number" |
return |
|
templatename = "_link.ld.in" |
workdir = os.getcwd() |
objcopy = sys.argv[1] |
format = sys.argv[2] |
output_format = sys.argv[3] |
arch = sys.argv[4] |
align = int(sys.argv[5], 0) |
|
link = file("_link.ld", "w") |
header = file("_components.h", "w") |
data = file("_components.c", "w") |
|
link.write("OUTPUT_FORMAT(\"" + output_format + "\")\n") |
link.write("OUTPUT_ARCH(" + arch + ")\n") |
link.write("ENTRY(start)\n\n") |
link.write("SECTIONS {\n") |
|
size = os.path.getsize(templatename) |
rd = 0 |
template = file(templatename, "r") |
|
while (rd < size): |
buf = template.read(4096) |
link.write(buf) |
rd += len(buf) |
|
template.close() |
|
link.write("\n") |
|
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 |
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 |
|
link.write("\t\t. = ALIGN(" + ("%d" % align) + ");\n") |
link.write("\t\t*(." + plainname + "_image);\n\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 ((unsigned int) " + macro + "_END - (unsigned int) " + 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 = cnt + 1 |
|
link.write("\t}\n") |
link.write("}\n") |
|
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("\tunsigned int 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") |
|
link.close() |
header.close() |
data.close() |
|
if __name__ == '__main__': |
main() |
Property changes: |
Added: svn:executable |
+* |
\ No newline at end of property |