36,7 → 36,7 |
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def usage(prname): |
"Print usage syntax" |
print prname + " <OBJCOPY> <FORMAT> <OUTPUT_FORMAT> <ARCH> <ALIGNMENT>" |
print prname + " <OBJCOPY> <FORMAT> <ARCH> <ALIGNMENT> <UINTPTR>" |
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def main(): |
if (len(sys.argv) < 6): |
43,40 → 43,21 |
usage(sys.argv[0]) |
return |
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if (not sys.argv[5].isdigit()): |
if (not sys.argv[4].isdigit()): |
print "<ALIGNMENT> must be a number" |
return |
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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) |
arch = sys.argv[3] |
align = int(sys.argv[4], 0) |
uintptr = sys.argv[5] |
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link = file("_link.ld", "w") |
workdir = os.getcwd() |
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header = file("_components.h", "w") |
data = file("_components.c", "w") |
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link.write("OUTPUT_FORMAT(\"" + output_format + "\")\n") |
link.write("OUTPUT_ARCH(" + arch + ")\n") |
link.write("ENTRY(start)\n\n") |
link.write("SECTIONS {\n") |
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size = os.path.getsize(templatename) |
rd = 0 |
template = file(templatename, "r") |
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while (rd < size): |
buf = template.read(4096) |
link.write(buf) |
rd += len(buf) |
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template.close() |
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link.write("\n") |
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header.write("#ifndef ___COMPONENTS_H__\n") |
header.write("#define ___COMPONENTS_H__\n\n") |
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85,6 → 66,7 |
data.write("{\n") |
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cnt = 0 |
link = "" |
for task in sys.argv[6:]: |
basename = os.path.basename(task) |
plainname = os.path.splitext(basename)[0] |
95,14 → 77,16 |
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print task + " -> " + object |
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link.write("\t\t. = ALIGN(" + ("%d" % align) + ");\n") |
link.write("\t\t*(." + plainname + "_image);\n\n") |
if (align > 1): |
link += "\t\t. = ALIGN(" + ("%d" % align) + ");\n" |
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link += "\t\t*(." + plainname + "_image);\n" |
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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") |
header.write("#define " + macro + "_SIZE ((" + uintptr + ") " + macro + "_END - (" + uintptr + ") " + macro + "_START)\n\n") |
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data.write("\tcomponents[" + ("%d" % cnt) + "].name = \"" + plainname + "\";\n") |
data.write("\tcomponents[" + ("%d" % cnt) + "].start = " + macro + "_START;\n") |
118,17 → 102,14 |
basename, os.path.join(workdir, object)]) |
os.chdir(workdir) |
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cnt = cnt + 1 |
cnt += 1 |
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link.write("\t}\n") |
link.write("}\n") |
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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("\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") |
135,9 → 116,17 |
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data.write("}\n") |
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link.close() |
header.close() |
data.close() |
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linkname = "_link.ld" |
link_in = file(linkname + ".in", "r") |
template = link_in.read(os.path.getsize(linkname + ".in")) |
link_in.close() |
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link_out = file(linkname, "w") |
link_out.write(template.replace("[[COMPONENTS]]", link)) |
link_out.close() |
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if __name__ == '__main__': |
main() |