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pio: sync decoder.py w/ esp8266/Arduino version

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This commit is contained in:
Maxim Prokhorov
2024-08-03 03:19:40 +03:00
parent 08c4cdd3c0
commit fef05f9820
2 changed files with 29 additions and 19 deletions
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46
code/scripts/decoder.py
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@@ -10,6 +10,7 @@ import argparse
import sys
import re
import subprocess
import shutil
# https://github.com/me-no-dev/EspExceptionDecoder/blob/349d17e4c9896306e2c00b4932be3ba510cad208/src/EspExceptionDecoder.java#L59-L90
EXCEPTION_CODES = (
@@ -52,6 +53,7 @@ EXCEPTION_CODES = (
"permit stores",
)
# similar to java version, which used `list` and re-formatted it
# instead, simply use an already short-format `info line`
# TODO `info symbol`? revert to `list`?
@@ -99,14 +101,17 @@ 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} ?)+ *$")
ANY_ADDR_RE = re.compile(r"0x[0-9a-fA-F]{8}|[0-9a-fA-F]{8}")
HEX_ADDR_RE = re.compile(r"0x[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"
MEM_ERR_LINE_RE = re.compile(r"^(Stack|last failed alloc call)")
STACK_LINE_RE = re.compile(r"^[0-9a-f]{8}:\s\s+")
IGNORE_FIRMWARE_RE = re.compile(r"^(epc1=0x........, |Fatal exception )")
CUT_HERE_STRING = "CUT HERE FOR EXCEPTION DECODER"
DECODE_IT = "DECODE IT"
EXCEPTION_STRING = "Exception ("
EPC_STRING = "epc1="
@@ -134,13 +139,13 @@ def decode_lines(format_addresses, elf, lines):
stack_addresses = print_all_addresses(stack_addresses)
last_stack = line.strip()
# 3fffffb0: feefeffe feefeffe 3ffe85d8 401004ed
elif in_stack and STACK_RE.match(line):
stack, addrs = line.split(":")
addrs = addrs.strip()
addrs = addrs.split(" ")
elif IGNORE_FIRMWARE_RE.match(line):
continue
elif in_stack and STACK_LINE_RE.match(line):
_, addrs = line.split(":")
addrs = ANY_ADDR_RE.findall(addrs)
stack_addresses.setdefault(last_stack, [])
for addr in addrs:
stack_addresses[last_stack].append(addr)
stack_addresses[last_stack].extend(addrs)
# epc1=0xfffefefe epc2=0xfefefefe epc3=0xefefefef excvaddr=0xfefefefe depc=0xfefefefe
elif EPC_STRING in line:
pairs = line.split()
@@ -155,20 +160,22 @@ def decode_lines(format_addresses, elf, lines):
elif EXCEPTION_STRING in line:
number = line.strip()[len(EXCEPTION_STRING) : -2]
print(f"Exception ({number}) - {EXCEPTION_CODES[int(number)]}")
# stack smashing detected at <ADDR>
# 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()
print()
print(f"Allocation of {size} bytes failed: {format_address(addr)}")
elif MEM_ERR_LINE_RE.match(line):
for addr in ANY_ADDR_RE.findall(line):
line = line.replace(addr, format_address(addr))
print()
print(line.strip())
# postmortem guards our actual stack dump values with these
elif ">>>stack>>>" in line:
in_stack = True
# ignore
elif "<<<stack<<<" in line:
in_stack = False
stack_addresses = print_all_addresses(stack_addresses)
continue
elif CUT_HERE_STRING in line:
elif CUT_HERE_STRING in line or DECODE_IT in line:
continue
else:
line = line.strip()
@@ -186,6 +193,9 @@ def select_tool(toolchain_path, tool, func):
if toolchain_path:
path = os.path.join(toolchain_path, path)
if not shutil.which(path):
raise FileNotFoundError(path)
def formatter(func, path):
def wrapper(elf, addresses):
return func(path, elf, addresses)