kopia lustrzana https://github.com/espressif/esp-idf
126 wiersze
4.2 KiB
Python
126 wiersze
4.2 KiB
Python
#
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# Copyright 2021 Espressif Systems (Shanghai) CO., LTD
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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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#
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__version__ = '0.4-dev'
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import abc
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import os
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from abc import abstractmethod
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from importlib import import_module
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from future.utils import with_metaclass
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try:
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from typing import Optional, Tuple
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except ImportError:
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pass
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IDF_PATH = os.path.normpath(os.getenv('IDF_PATH', '.'))
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XTENSA_TARGETS = ['esp32', 'esp32s2']
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RISCV_TARGETS = ['esp32c3']
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SUPPORTED_TARGETS = XTENSA_TARGETS + RISCV_TARGETS
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class ESPCoreDumpError(RuntimeError):
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pass
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class ESPCoreDumpLoaderError(ESPCoreDumpError):
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pass
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class BaseArchMethodsMixin(with_metaclass(abc.ABCMeta)): # type: ignore
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@staticmethod
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@abstractmethod
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def get_registers_from_stack(data, grows_down):
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# type: (bytes, bool) -> Tuple[list[int], Optional[dict[int, int]]]
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"""
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Parse stack data, growing up stacks are not supported for now.
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:param data: stack data
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:param grows_down: stack grow direction
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:return: return tuple (regs, exception_regs)
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"""
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pass
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@staticmethod
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@abstractmethod
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def build_prstatus_data(tcb_addr, task_regs): # type: (int, list[int]) -> str
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"""
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Build PrStatus note section
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:param tcb_addr: tcb addr
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:param task_regs: registers
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:return: str
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"""
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pass
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class BaseTargetMethods(with_metaclass(abc.ABCMeta, BaseArchMethodsMixin)): # type: ignore
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UNKNOWN = 'unknown'
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TARGET = UNKNOWN
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COREDUMP_FAKE_STACK_START = 0x20000000
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COREDUMP_FAKE_STACK_LIMIT = 0x30000000
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COREDUMP_MAX_TASK_STACK_SIZE = 64 * 1024
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def __init__(self): # type: () -> None
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if self.TARGET == self.UNKNOWN:
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raise ValueError('Please use the derived child-class with valid TARGET')
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self._set_attr_from_soc_header()
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def _set_attr_from_soc_header(self): # type: () -> None
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module = import_module('corefile.soc_headers.{}'.format(self.TARGET))
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for k, v in module.__dict__.items():
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if k.startswith('SOC_'):
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setattr(self, k, v)
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def _esp_ptr_in_dram(self, addr): # type: (int) -> bool
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return self.SOC_DRAM_LOW <= addr < self.SOC_DRAM_HIGH # type: ignore
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def _esp_ptr_in_iram(self, addr): # type: (int) -> bool
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return self.SOC_IRAM_LOW <= addr < self.SOC_IRAM_HIGH # type: ignore
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def _esp_ptr_in_rtc_slow(self, addr): # type: (int) -> bool
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return self.SOC_RTC_DATA_LOW <= addr < self.SOC_RTC_DATA_HIGH # type: ignore
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def _esp_ptr_in_rtc_dram_fast(self, addr): # type: (int) -> bool
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return self.SOC_RTC_DRAM_LOW <= addr < self.SOC_RTC_DRAM_HIGH # type: ignore
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def tcb_is_sane(self, tcb_addr, tcb_size): # type: (int, int) -> bool
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for func in [self._esp_ptr_in_dram,
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self._esp_ptr_in_iram,
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self._esp_ptr_in_rtc_slow,
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self._esp_ptr_in_rtc_dram_fast]:
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res = func(tcb_addr) and func(tcb_addr + tcb_size - 1)
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if res:
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return True
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return False
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def _esp_stack_ptr_in_dram(self, addr): # type: (int) -> bool
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return not (addr < self.SOC_DRAM_LOW + 0x10
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or addr > self.SOC_DRAM_HIGH - 0x10
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or (addr & 0xF) != 0)
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def stack_is_sane(self, stack_start, stack_end): # type: (int, int) -> bool
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return (self._esp_stack_ptr_in_dram(stack_start)
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and self._esp_ptr_in_dram(stack_end)
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and stack_start < stack_end
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and (stack_end - stack_start) < self.COREDUMP_MAX_TASK_STACK_SIZE)
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def addr_is_fake(self, addr): # type: (int) -> bool
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return (self.COREDUMP_FAKE_STACK_START <= addr < self.COREDUMP_FAKE_STACK_LIMIT
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or addr > 2 ** 31 - 1)
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