add rudimentary exception decoder for RISC-V CPU

wio-e5
Thomas Göttgens 2023-03-05 14:55:12 +01:00
rodzic fe926eedba
commit b249970a12
2 zmienionych plików z 156 dodań i 2 usunięć

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@ -6,7 +6,7 @@ build_src_filter =
upload_speed = 961200
monitor_speed = 115200
debug_init_break = tbreak setup
monitor_filters = esp32_exception_decoder
monitor_filters = esp32_c3_exception_decoder
board_build.filesystem = littlefs
# Remove -DMYNEWT_VAL_BLE_HS_LOG_LVL=LOG_LEVEL_CRITICAL for low level BLE logging.
@ -21,7 +21,6 @@ build_flags =
-DLOG_LOCAL_LEVEL=ESP_LOG_DEBUG
-DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
-DMYNEWT_VAL_BLE_HS_LOG_LVL=LOG_LEVEL_CRITICAL
-DAXP_DEBUG_PORT=Serial
-DCONFIG_BT_NIMBLE_ENABLED
-DCONFIG_NIMBLE_CPP_LOG_LEVEL=2
-DCONFIG_BT_NIMBLE_MAX_CCCDS=20

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@ -0,0 +1,155 @@
# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import re
import subprocess
import sys
from platformio.project.exception import PlatformioException
from platformio.public import (
DeviceMonitorFilterBase,
load_build_metadata,
)
# By design, __init__ is called inside miniterm and we can't pass context to it.
# pylint: disable=attribute-defined-outside-init
IS_WINDOWS = sys.platform.startswith("win")
class Esp32C3ExceptionDecoder(DeviceMonitorFilterBase):
NAME = "esp32_c3_exception_decoder"
PCADDR_PATTERN = re.compile(r'0x4[0-9a-f]{7}', re.IGNORECASE)
def __call__(self):
self.buffer = ""
self.pcaddr_re = self.PCADDR_PATTERN
self.firmware_path = None
self.addr2line_path = None
self.enabled = self.setup_paths()
if self.config.get("env:" + self.environment, "build_type") != "debug":
print(
"""
Please build project in debug configuration to get more details about an exception.
See https://docs.platformio.org/page/projectconf/build_configurations.html
"""
)
return self
def setup_paths(self):
self.project_dir = os.path.abspath(self.project_dir)
try:
data = load_build_metadata(self.project_dir, self.environment)
self.firmware_path = data["prog_path"]
if not os.path.isfile(self.firmware_path):
sys.stderr.write(
"%s: disabling, firmware at %s does not exist, rebuild the project?\n"
% (self.__class__.__name__, self.firmware_path)
)
return False
if self.addr2line_path is None:
cc_path = data.get("cc_path", "")
if "-gcc" in cc_path:
self.addr2line_path = cc_path.replace("-gcc", "-addr2line")
else:
sys.stderr.write(
"%s: disabling, failed to find addr2line.\n"
% self.__class__.__name__
)
return False
if not os.path.isfile(self.addr2line_path):
sys.stderr.write(
"%s: disabling, addr2line at %s does not exist\n"
% (self.__class__.__name__, self.addr2line_path)
)
return False
return True
except PlatformioException as e:
sys.stderr.write(
"%s: disabling, exception while looking for addr2line: %s\n"
% (self.__class__.__name__, e)
)
return False
def rx(self, text):
if not self.enabled:
return text
last = 0
while True:
idx = text.find("\n", last)
if idx == -1:
if len(self.buffer) < 4096:
self.buffer += text[last:]
break
line = text[last:idx]
if self.buffer:
line = self.buffer + line
self.buffer = ""
last = idx + 1
# Output each trace on a separate line below ours
# Logic identical to https://github.com/espressif/esp-idf/blob/master/tools/idf_monitor_base/logger.py#L131
for m in re.finditer(self.pcaddr_re, line):
if m is None:
continue
trace = self.get_backtrace(m)
if len(trace) != "":
text = text[: last] + trace + text[last :]
last += len(trace)
return text
def get_backtrace(self, match):
trace = "\n"
enc = "mbcs" if IS_WINDOWS else "utf-8"
args = [self.addr2line_path, u"-fipC", u"-e", self.firmware_path]
try:
addr = match.group()
output = (
subprocess.check_output(args + [addr])
.decode(enc)
.strip()
)
output = output.replace(
"\n", "\n "
) # newlines happen with inlined methods
output = self.strip_project_dir(output)
# Output the trace in yellow color so that it is easier to spot
trace += "\033[33m=> %s: %s\033[0m\n" % (addr, output)
except subprocess.CalledProcessError as e:
sys.stderr.write(
"%s: failed to call %s: %s\n"
% (self.__class__.__name__, self.addr2line_path, e)
)
return trace
def strip_project_dir(self, trace):
while True:
idx = trace.find(self.project_dir)
if idx == -1:
break
trace = trace[:idx] + trace[idx + len(self.project_dir) + 1 :]
return trace