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artiq/soc/runtime/gen_service_table.py

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#!/usr/bin/env python3
import sys
from elftools.elf.elffile import ELFFile
services = [
("syscalls", [
("now_init", "now_init"),
("now_save", "now_save"),
("watchdog_set", "watchdog_set"),
("watchdog_clear", "watchdog_clear"),
("rpc", "rpc"),
("rtio_get_counter", "rtio_get_counter"),
("ttl_set_o", "ttl_set_o"),
("ttl_set_oe", "ttl_set_oe"),
("ttl_set_sensitivity", "ttl_set_sensitivity"),
("ttl_get", "ttl_get"),
("dds_init", "dds_init"),
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("dds_batch_enter", "dds_batch_enter"),
("dds_batch_exit", "dds_batch_exit"),
("dds_set", "dds_set"),
]),
("eh", [
("setjmp", "exception_setjmp"),
("push", "exception_push"),
("pop", "exception_pop"),
("getid", "exception_getid"),
("raise", "exception_raise"),
])
]
def print_service_table(ksupport_elf_filename):
with open(ksupport_elf_filename, "rb") as f:
elf = ELFFile(f)
symtab = elf.get_section_by_name(b".symtab")
symbols = {symbol.name: symbol.entry.st_value
for symbol in symtab.iter_symbols()}
for name, contents in services:
print("static const struct symbol {}[] = {{".format(name))
for name, value in contents:
print(" {{\"{}\", (void *)0x{:08x}}},"
.format(name, symbols[bytes(value, "ascii")]))
print(" {NULL, NULL}")
print("};")
def main():
if len(sys.argv) == 2:
print_service_table(sys.argv[1])
else:
print("Incorrect number of command line arguments")
sys.exit(1)
if __name__ == "__main__":
main()