Re: [PATCH v2 15/20] testing: Enhance gdb probe script

From: Gustavo Romero <gustavo.romero(a)linaro.org&gt; Use list and set comprehension to simplify code. Also, gently handle invalid gdb filenames. Signed-off-by: Gustavo Romero <gustavo.romero(a)linaro.org&gt; Message-Id: <20241015145848.387281-1-gustavo.romero(a)linaro.org&gt; Signed-off-by: Alex Bennée <alex.bennee(a)linaro.org&gt; --- scripts/probe-gdb-support.py | 75 +++++++++++++++++++----------------- 1 file changed, 39 insertions(+), 36 deletions(-) diff --git a/scripts/probe-gdb-support.py b/scripts/probe-gdb-support.py index 6dc58d06c7..6bcadce150 100644 --- a/scripts/probe-gdb-support.py +++ b/scripts/probe-gdb-support.py @@ -19,58 +19,61 @@ import argparse import re -from subprocess import check_output, STDOUT +from subprocess import check_output, STDOUT, CalledProcessError +import sys -# mappings from gdb arch to QEMU target -mappings = { - "alpha" : "alpha", +# Mappings from gdb arch to QEMU target +MAP = { + "alpha" : ["alpha"], "aarch64" : ["aarch64", "aarch64_be"], - "armv7": "arm", + "armv7": ["arm"], "armv8-a" : ["aarch64", "aarch64_be"], - "avr" : "avr", + "avr" : ["avr"], # no hexagon in upstream gdb - "hppa1.0" : "hppa", - "i386" : "i386", - "i386:x86-64" : "x86_64", - "Loongarch64" : "loongarch64", - "m68k" : "m68k", - "MicroBlaze" : "microblaze", + "hppa1.0" : ["hppa"], + "i386" : ["i386"], + "i386:x86-64" : ["x86_64"], + "Loongarch64" : ["loongarch64"], + "m68k" : ["m68k"], + "MicroBlaze" : ["microblaze"], "mips:isa64" : ["mips64", "mips64el"], - "or1k" : "or1k", - "powerpc:common" : "ppc", + "or1k" : ["or1k"], + "powerpc:common" : ["ppc"], "powerpc:common64" : ["ppc64", "ppc64le"], - "riscv:rv32" : "riscv32", - "riscv:rv64" : "riscv64", - "s390:64-bit" : "s390x", + "riscv:rv32" : ["riscv32"], + "riscv:rv64" : ["riscv64"], + "s390:64-bit" : ["s390x"], "sh4" : ["sh4", "sh4eb"], - "sparc": "sparc", - "sparc:v8plus": "sparc32plus", - "sparc:v9a" : "sparc64", + "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) + try: + gdb_out = check_output([gdb, + "-ex", "set architecture", + "-ex", "quit"], stderr=STDOUT, encoding="utf-8") + except (OSError) as e: + sys.exit(e) + except CalledProcessError as e: + sys.exit(f'{e}. Output:\n\n{e.output}') + + found_gdb_archs = re.search(r'Valid arguments are (.*)', gdb_out) - m = re.search(r"Valid arguments are (.*)", - gdb_out.decode("utf-8")) + targets = set() + if found_gdb_archs: + gdb_archs = found_gdb_archs.group(1).split(", ") + mapped_gdb_archs = [arch for arch in gdb_archs if arch in MAP] - valid_arches = set() + targets = {target for arch in mapped_gdb_archs for target in MAP[arch]} - 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) + # QEMU targets + return targets - return valid_arches def main() -> None: parser = argparse.ArgumentParser(description='Probe GDB Architectures')