89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
|
#!/usr/bin/env python3
|
||
|
|
# coding: utf-8
|
||
|
|
#
|
||
|
|
# Probe gdb for supported architectures.
|
||
|
|
#
|
||
|
|
# This is required to support testing of the gdbstub as its hard to
|
||
|
|
# handle errors gracefully during the test. Instead this script when
|
||
|
|
# passed a GDB binary will probe its architecture support and return a
|
||
|
|
# string of supported arches, stripped of guff.
|
||
|
|
#
|
||
|
|
# Copyright 2023 Linaro Ltd
|
||
|
|
#
|
||
|
|
# Author: Alex Bennée <alex.bennee@linaro.org>
|
||
|
|
#
|
||
|
|
# This work is licensed under the terms of the GNU GPL, version 2 or later.
|
||
|
|
# See the COPYING file in the top-level directory.
|
||
|
|
#
|
||
|
|
# SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
|
||
|
|
import argparse
|
||
|
|
import re
|
||
|
|
from subprocess import check_output, STDOUT
|
||
|
|
|
||
|
|
# mappings from gdb arch to QEMU target
|
||
|
|
mappings = {
|
||
|
|
"alpha" : "alpha",
|
||
|
|
"aarch64" : ["aarch64", "aarch64_be"],
|
||
|
|
"armv7": "arm",
|
||
|
|
"armv8-a" : ["aarch64", "aarch64_be"],
|
||
|
|
"avr" : "avr",
|
||
|
|
"cris" : "cris",
|
||
|
|
# no hexagon in upstream gdb
|
||
|
|
"hppa1.0" : "hppa",
|
||
|
|
"i386" : "i386",
|
||
|
|
"i386:x86-64" : "x86_64",
|
||
|
|
"Loongarch64" : "loongarch64",
|
||
|
|
"m68k" : "m68k",
|
||
|
|
"MicroBlaze" : "microblaze",
|
||
|
|
"mips:isa64" : ["mips64", "mips64el"],
|
||
|
|
"nios2" : "nios2",
|
||
|
|
"or1k" : "or1k",
|
||
|
|
"powerpc:common" : "ppc",
|
||
|
|
"powerpc:common64" : ["ppc64", "ppc64le"],
|
||
|
|
"riscv:rv32" : "riscv32",
|
||
|
|
"riscv:rv64" : "riscv64",
|
||
|
|
"s390:64-bit" : "s390x",
|
||
|
|
"sh4" : ["sh4", "sh4eb"],
|
||
|
|
"sparc": "sparc",
|
||
|
|
"sparc:v8plus": "sparc32plus",
|
||
|
|
"sparc:v9a" : "sparc64",
|
||
|
|
# no tricore in upstream gdb
|
||
|
|
"xtensa" : ["xtensa", "xtensaeb"]
|
||
|
|
}
|
||
|
|
|
||
|
|
def do_probe(gdb):
|
||
|
|
gdb_out = check_output([gdb,
|
||
|
|
"-ex", "set architecture",
|
||
|
|
"-ex", "quit"], stderr=STDOUT)
|
||
|
|
|
||
|
|
m = re.search(r"Valid arguments are (.*)",
|
||
|
|
gdb_out.decode("utf-8"))
|
||
|
|
|
||
|
|
valid_arches = set()
|
||
|
|
|
||
|
|
if m.group(1):
|
||
|
|
for arch in m.group(1).split(", "):
|
||
|
|
if arch in mappings:
|
||
|
|
mapping = mappings[arch]
|
||
|
|
if isinstance(mapping, str):
|
||
|
|
valid_arches.add(mapping)
|
||
|
|
else:
|
||
|
|
for entry in mapping:
|
||
|
|
valid_arches.add(entry)
|
||
|
|
|
||
|
|
return valid_arches
|
||
|
|
|
||
|
|
def main() -> None:
|
||
|
|
parser = argparse.ArgumentParser(description='Probe GDB Architectures')
|
||
|
|
parser.add_argument('gdb', help='Path to GDB binary.')
|
||
|
|
|
||
|
|
args = parser.parse_args()
|
||
|
|
|
||
|
|
supported = do_probe(args.gdb)
|
||
|
|
|
||
|
|
print(" ".join(supported))
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|