| 36,7 → 36,7 |
|---|
| |
| def usage(prname): |
| "Print usage syntax" |
| print prname + " <OBJCOPY> <FORMAT> <OUTPUT_FORMAT> <ARCH> <ALIGNMENT>" |
| print prname + " <OBJCOPY> <FORMAT> <ARCH> <ALIGNMENT> <UINTPTR>" |
| |
| def main(): |
| if (len(sys.argv) < 6): |
| 43,40 → 43,21 |
|---|
| usage(sys.argv[0]) |
| return |
| |
| if (not sys.argv[5].isdigit()): |
| if (not sys.argv[4].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) |
| arch = sys.argv[3] |
| align = int(sys.argv[4], 0) |
| uintptr = sys.argv[5] |
| |
| link = file("_link.ld", "w") |
| workdir = os.getcwd() |
| |
| 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") |
| |
| 85,6 → 66,7 |
|---|
| data.write("{\n") |
| |
| cnt = 0 |
| link = "" |
| for task in sys.argv[6:]: |
| basename = os.path.basename(task) |
| plainname = os.path.splitext(basename)[0] |
| 95,14 → 77,16 |
|---|
| |
| print task + " -> " + object |
| |
| 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" |
| |
| 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 ((unsigned int) " + macro + "_END - (unsigned int) " + macro + "_START)\n\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") |
| 118,17 → 102,14 |
|---|
| basename, os.path.join(workdir, object)]) |
| os.chdir(workdir) |
| |
| cnt = cnt + 1 |
| 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("\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 |
|---|
| |
| data.write("}\n") |
| |
| link.close() |
| 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() |