toaruos/util/generate_symbols.py
2017-01-08 19:38:48 +09:00

40 lines
767 B
Python
Executable File

#!/usr/bin/env python3
"""
Generate a symbol table from nm output.
"""
import sys
# Write extern + type
def extern(name):
print(".extern %s" % (name))
print(".type %s, @function" % (name))
print("")
# Write an entry
def entry(name):
print(".long %s" % (name))
print(".asciz \"%s\"" % (name))
print("")
ignore = [ "abs", "kernel_symbols_start", "kernel_symbols_end" ]
lines = [ x.strip().split(" ")[2] for x in sys.stdin.readlines() if x not in ignore ]
# Generate the assembly
print(".section .symbols")
print("")
for name in lines:
extern(name)
print(".global kernel_symbols_start")
print("kernel_symbols_start:")
print("")
for name in lines:
entry(name)
print(".global kernel_symbols_end")
print("kernel_symbols_end:")