Edit File: memory_mapping.cpython-36.pyc
3 � e& � @ sr d dl mZ d dlmZ d dlmZ d dlZd dlmZ erLd dl m Z m Z ej d�Z G dd � d e�Zd d � ZdS ) � )�HAS_PROC)� ProcessError)� formatAddressN)�ref)�openProc� ProcErrorz\([0-9a-f]+)-([0-9a-f]+) (.{4}) ([0-9a-f]+) ([0-9a-f]{2,3}):([0-9a-f]{2}) ([0-9]+)(?: +(.*))?c @ s4 e Zd ZdZdd� Zdd� Zdd� ZeZdd � Zd S ) � MemoryMappinga� Process memory mapping (metadata about the mapping). Attributes: - start (int): first byte address - end (int): last byte address + 1 - permissions (str) - offset (int): for file, offset in bytes from the file start - major_device / minor_device (int): major / minor device number - inode (int) - pathname (str) - _process: weak reference to the process Operations: - "address in mapping" checks the address is in the mapping. - "search(somestring)" returns the offsets of "somestring" in the mapping - "str(mapping)" create one string describing the mapping - "repr(mapping)" create a string representation of the mapping, useful in list contexts c C s> t |�| _|| _|| _|| _|| _|| _|| _|| _| | _ d S )N) r �_process�start�end� permissions�offset� major_device� minor_device�inode�pathname) �self�processr r r r r r r r � r �G/tmp/pip-build-uv1wutoy/python-ptrace/ptrace/debugger/memory_mapping.py�__init__/ s zMemoryMapping.__init__c C s | j | ko| jk S S )N)r r )r �addressr r r � __contains__: s zMemoryMapping.__contains__c C s> dt | j�t | j�f }| jr,|d| j 7 }|d| j 7 }|S )Nz%s-%sz => %sz (%s))r r r r r )r �textr r r �__str__= s zMemoryMapping.__str__c c s� | j � }t|�}d}||k r |}| j| j }| j}xv||kr�||krJ|}n|}|j||�}|dkrdP |j|�} | dkr�|| d } n|| V | | } || 7 }|| 8 }q4W d S )N�@ i � � i ���)r �lenr r Z readBytes�find) r Zbytestrr Z bytestr_lenZbuf_len� remainingZcovered� requested�datar �skipr r r �searchE s* zMemoryMapping.searchN) �__name__� __module__� __qualname__�__doc__r r r �__repr__r% r r r r r s r c C s g }t s |S ytd| j �}W n0 tk rN } zt| d| ��W Y dd}~X nX z�x�|D ]�}|j� }tj|�}|s�t| d| ��t| t |j d�d�t |j d�d�|j d�t |j d �d�t |j d �d�t |j d �d�t |j d ��|j d �� }|j |� qXW W d|j � X |S )z� Read all memory mappings of the specified process. Return a list of MemoryMapping objects, or empty list if it's not possible to read the mappings. May raise a ProcessError. z%s/mapsz Unable to read process maps: %sNz"Unable to parse memory mapping: %rr � � � � � � � � ) r r �pidr r �rstrip�PROC_MAP_REGEX�matchr �int�group�append�close)r �mapsZmapsfile�err�liner6 �mapr r r �readProcessMappingsg s6 r? )Zptrace.os_toolsr Z ptrace.debugger.process_errorr Zptrace.ctypes_toolsr �re�weakrefr Zptrace.linux_procr r �compiler5 �objectr r? r r r r �<module> s N