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testing: Enhance gdb probe script 

Use list and set comprehension to simplify code. Also, gently handle
invalid gdb filenames.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20241015145848.387281-1-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20241023113406.1284676-16-alex.bennee@linaro.org>
This commit is contained in:
Gustavo Romero 2024-10-23 12:34:03 +01:00 committed by Alex Bennée
parent bb77c68dbd
commit 345dedbad2
1 changed files with 39 additions and 36 deletions
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75
scripts/probe-gdb-support.py
View File

@ -19,58 +19,61 @@
import argparse import argparse
import re 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 from gdb arch to QEMU target
mappings = { MAP = {
"alpha" : "alpha", "alpha" : ["alpha"],
"aarch64" : ["aarch64", "aarch64_be"], "aarch64" : ["aarch64", "aarch64_be"],
"armv7": "arm", "armv7": ["arm"],
"armv8-a" : ["aarch64", "aarch64_be"], "armv8-a" : ["aarch64", "aarch64_be"],
"avr" : "avr", "avr" : ["avr"],
# no hexagon in upstream gdb # no hexagon in upstream gdb
"hppa1.0" : "hppa", "hppa1.0" : ["hppa"],
"i386" : "i386", "i386" : ["i386"],
"i386:x86-64" : "x86_64", "i386:x86-64" : ["x86_64"],
"Loongarch64" : "loongarch64", "Loongarch64" : ["loongarch64"],
"m68k" : "m68k", "m68k" : ["m68k"],
"MicroBlaze" : "microblaze", "MicroBlaze" : ["microblaze"],
"mips:isa64" : ["mips64", "mips64el"], "mips:isa64" : ["mips64", "mips64el"],
"or1k" : "or1k", "or1k" : ["or1k"],
"powerpc:common" : "ppc", "powerpc:common" : ["ppc"],
"powerpc:common64" : ["ppc64", "ppc64le"], "powerpc:common64" : ["ppc64", "ppc64le"],
"riscv:rv32" : "riscv32", "riscv:rv32" : ["riscv32"],
"riscv:rv64" : "riscv64", "riscv:rv64" : ["riscv64"],
"s390:64-bit" : "s390x", "s390:64-bit" : ["s390x"],
"sh4" : ["sh4", "sh4eb"], "sh4" : ["sh4", "sh4eb"],
"sparc": "sparc", "sparc": ["sparc"],
"sparc:v8plus": "sparc32plus", "sparc:v8plus": ["sparc32plus"],
"sparc:v9a" : "sparc64", "sparc:v9a" : ["sparc64"],
# no tricore in upstream gdb # no tricore in upstream gdb
"xtensa" : ["xtensa", "xtensaeb"] "xtensa" : ["xtensa", "xtensaeb"]
} }
def do_probe(gdb): def do_probe(gdb):
gdb_out = check_output([gdb, try:
"-ex", "set architecture", gdb_out = check_output([gdb,
"-ex", "quit"], stderr=STDOUT) "-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}')
m = re.search(r"Valid arguments are (.*)", found_gdb_archs = re.search(r'Valid arguments are (.*)', gdb_out)
gdb_out.decode("utf-8"))
valid_arches = set() 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]
if m.group(1): targets = {target for arch in mapped_gdb_archs for target in MAP[arch]}
for arch in m.group(1).split(", "):
if arch in mappings: # QEMU targets
mapping = mappings[arch] return targets
if isinstance(mapping, str):
valid_arches.add(mapping)
else:
for entry in mapping:
valid_arches.add(entry)
return valid_arches
def main() -> None: def main() -> None:
parser = argparse.ArgumentParser(description='Probe GDB Architectures') parser = argparse.ArgumentParser(description='Probe GDB Architectures')