kopia lustrzana https://github.com/meshtastic/firmware
add rudimentary exception decoder for RISC-V CPU
Thomas Göttgens
rodzic
fe926eedba
commit
b249970a12
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@ -6,7 +6,7 @@ build_src_filter =
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upload_speed = 961200
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monitor_speed = 115200
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debug_init_break = tbreak setup
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monitor_filters = esp32_exception_decoder
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monitor_filters = esp32_c3_exception_decoder
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board_build.filesystem = littlefs
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# Remove -DMYNEWT_VAL_BLE_HS_LOG_LVL=LOG_LEVEL_CRITICAL for low level BLE logging.
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@ -21,7 +21,6 @@ build_flags =
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-DLOG_LOCAL_LEVEL=ESP_LOG_DEBUG
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-DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
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-DMYNEWT_VAL_BLE_HS_LOG_LVL=LOG_LEVEL_CRITICAL
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-DAXP_DEBUG_PORT=Serial
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-DCONFIG_BT_NIMBLE_ENABLED
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-DCONFIG_NIMBLE_CPP_LOG_LEVEL=2
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-DCONFIG_BT_NIMBLE_MAX_CCCDS=20
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@ -0,0 +1,155 @@
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# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import re
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import subprocess
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import sys
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from platformio.project.exception import PlatformioException
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from platformio.public import (
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DeviceMonitorFilterBase,
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load_build_metadata,
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)
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# By design, __init__ is called inside miniterm and we can't pass context to it.
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# pylint: disable=attribute-defined-outside-init
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IS_WINDOWS = sys.platform.startswith("win")
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class Esp32C3ExceptionDecoder(DeviceMonitorFilterBase):
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NAME = "esp32_c3_exception_decoder"
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PCADDR_PATTERN = re.compile(r'0x4[0-9a-f]{7}', re.IGNORECASE)
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def __call__(self):
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self.buffer = ""
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self.pcaddr_re = self.PCADDR_PATTERN
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self.firmware_path = None
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self.addr2line_path = None
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self.enabled = self.setup_paths()
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if self.config.get("env:" + self.environment, "build_type") != "debug":
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print(
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"""
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Please build project in debug configuration to get more details about an exception.
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See https://docs.platformio.org/page/projectconf/build_configurations.html
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"""
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)
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return self
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def setup_paths(self):
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self.project_dir = os.path.abspath(self.project_dir)
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try:
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data = load_build_metadata(self.project_dir, self.environment)
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self.firmware_path = data["prog_path"]
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if not os.path.isfile(self.firmware_path):
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sys.stderr.write(
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"%s: disabling, firmware at %s does not exist, rebuild the project?\n"
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% (self.__class__.__name__, self.firmware_path)
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)
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return False
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if self.addr2line_path is None:
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cc_path = data.get("cc_path", "")
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if "-gcc" in cc_path:
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self.addr2line_path = cc_path.replace("-gcc", "-addr2line")
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else:
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sys.stderr.write(
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"%s: disabling, failed to find addr2line.\n"
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% self.__class__.__name__
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)
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return False
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if not os.path.isfile(self.addr2line_path):
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sys.stderr.write(
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"%s: disabling, addr2line at %s does not exist\n"
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% (self.__class__.__name__, self.addr2line_path)
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)
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return False
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return True
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except PlatformioException as e:
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sys.stderr.write(
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"%s: disabling, exception while looking for addr2line: %s\n"
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% (self.__class__.__name__, e)
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)
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return False
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def rx(self, text):
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if not self.enabled:
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return text
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last = 0
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while True:
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idx = text.find("\n", last)
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if idx == -1:
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if len(self.buffer) < 4096:
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self.buffer += text[last:]
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break
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line = text[last:idx]
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if self.buffer:
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line = self.buffer + line
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self.buffer = ""
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last = idx + 1
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# Output each trace on a separate line below ours
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# Logic identical to https://github.com/espressif/esp-idf/blob/master/tools/idf_monitor_base/logger.py#L131
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for m in re.finditer(self.pcaddr_re, line):
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if m is None:
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continue
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trace = self.get_backtrace(m)
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if len(trace) != "":
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text = text[: last] + trace + text[last :]
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last += len(trace)
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return text
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def get_backtrace(self, match):
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trace = "\n"
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enc = "mbcs" if IS_WINDOWS else "utf-8"
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args = [self.addr2line_path, u"-fipC", u"-e", self.firmware_path]
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try:
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addr = match.group()
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output = (
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subprocess.check_output(args + [addr])
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.decode(enc)
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.strip()
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)
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output = output.replace(
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"\n", "\n "
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) # newlines happen with inlined methods
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output = self.strip_project_dir(output)
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# Output the trace in yellow color so that it is easier to spot
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trace += "\033[33m=> %s: %s\033[0m\n" % (addr, output)
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except subprocess.CalledProcessError as e:
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sys.stderr.write(
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"%s: failed to call %s: %s\n"
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% (self.__class__.__name__, self.addr2line_path, e)
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)
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return trace
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def strip_project_dir(self, trace):
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while True:
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idx = trace.find(self.project_dir)
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if idx == -1:
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break
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trace = trace[:idx] + trace[idx + len(self.project_dir) + 1 :]
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return trace
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