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Arm backend: Improve error logging when running Corstone FVP #15276

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Merged
merged 2 commits into from
Oct 22, 2025
Merged

Arm backend: Improve error logging when running Corstone FVP #15276

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Arm backend: Improve error logging when running Corstone FVP
zingo Oct 13, 2025
60a54b5
Merge branch 'main' into Arm-backend-Improve-error-logging-when-runni…
zingo Oct 21, 2025
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19 changes: 17 additions & 2 deletions backends/arm/test/runner_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -477,10 +477,25 @@ def run_corstone(
# Regex to check for error or fault messages in stdout from FVP
result_stdout = result.stdout.decode()
error_regex = r"(^[EF][: ].*$)|(^.*Hard fault.*$)|(^.*Assertion.*$)"
if re.compile(error_regex, re.MULTILINE).search(result_stdout):
raise RuntimeError(
pattern = re.compile(error_regex, re.MULTILINE)
regex_matches = [m.group(0) for m in pattern.finditer(result_stdout)]

if regex_matches:
logger.error(
f"Corstone simulation failed:\ncmd: {' '.join(command_args)}\nlog: \n {result_stdout}\n{result.stderr.decode()}"
)
# Pretty-print regex matches
pretty_matches = "\n".join(f"{m.strip()}" for i, m in enumerate(regex_matches))
logger.error(
f"Corstone simulation failed. Problems: {len(regex_matches)} found:\n{pretty_matches}"
)
raise RuntimeError(
f"Corstone simulation failed. Problems: {len(regex_matches)} found:\n{pretty_matches}"
)
else:
logger.info(
f"Corstone simulation:\ncmd: {' '.join(command_args)}\nlog: \n {result_stdout}\n{result.stderr.decode()}"
)

return get_output_from_file(exported_program, intermediate_path, output_base_name)

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