8000 Stack decoder script by mcspr · Pull Request #8661 · esp8266/Arduino · GitHub
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Merged
merged 9 commits into from
Dec 16, 2022
Merged

Stack decoder script #8661

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79c3adc
stack decoder
mcspr Aug 23, 2022
1c7ab25
+x
mcspr Aug 23, 2022
701b060
cut here
mcspr Aug 23, 2022
c47d7dc
last alloc explain, line breaks
mcspr Aug 23, 2022
305f910
capture
mcspr Aug 23, 2022
b61155a
print ctx line
mcspr Aug 23, 2022
894c80f
...and dont ignore sp
mcspr Aug 23, 2022
79eea27
non-hyphenated arg for elf, toolchain path to bin/
mcspr Aug 23, 2022
6200ebb
Merge branch 'master' into tools/decoder
d-a-v Dec 16, 2022
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last alloc explain, line breaks
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@mcspr
mcspr committed Aug 23, 2022
commit c47d7dc4ca692100d3532ce16623f3988fb3b9d8
20 changes: 17 additions & 3 deletions tools/decoder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,9 @@ def addresses_addr2line(addr2line, elf, addresses):
def decode_lines(format_addresses, elf, lines):
STACK_RE = re.compile(r"^[0-9a-f]{8}:\s+([0-9a-f]{8} ?)+ *$")

LAST_ALLOC_RE = re.compile(r"last failed alloc call: ([0-9a-fA-F]{8})\(([0-9]+)\).*")
LAST_ALLOC = "last failed alloc"

CUT_HERE_STRING = "CUT HERE FOR EXCEPTION DECODER"
EXCEPTION_STRING = "Exception ("
EPC_STRING = "epc1="
Expand Down Expand Up @@ -141,17 +144,28 @@ def print_all_addresses(addresses):
elif EXCEPTION_STRING in line:
number = line.strip()[len(EXCEPTION_STRING) : -2]
print(f"Exception ({number}) - {EXCEPTION_CODES[int(number)]}")
# last failed alloc call: <ADDR>(<NUMBER>)[@<maybe file loc>]
elif LAST_ALLOC in line:
values = LAST_ALLOC_RE.match(line)
if values:
addr, size = values.groups()
output = "\n".join(format_addresses(elf, [addr]))
print()
print(f"Allocation of {size} bytes failed: {output}")
# postmortem guards our actual stack dump values with these
elif ">>>stack>>>" in line:
in_stack = True
elif "<<<stack<<<" in line:
break
# ignore
elif "<<<stack<<<" in line:
continue
elif CUT_HERE_STRING in line:
continue
else:
print(line.strip())
line = line.strip()
if line:
print(line)

print()
print_all_addresses(stack_addresses)


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