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Libheap

[libheap] is a python library to examine ptmalloc (the glibc userland heap implementation).

It is currently tested and known working on:

glibc distro
2.15 Ubuntu 12.04 LTS amd64
2.19 Ubuntu 14.04 LTS i386, Ubuntu 14.04 LTS amd64
2.23 Ubuntu 16.04 LTS i386, Ubuntu 16.04 LTS amd64
2.24 Fedora 25 x86_64, Ubuntu 16.10 amd64, Ubuntu 17.04 amd64

Installation

Please refer to the Install Guide.

Usage

Please refer to the User Guide.

Design

-----------------------------------------------------------------------
                       debugger frontend (commands and prettyprinters)
                                                      libheap/frontend

                     +-----+
                     |     |
                     | gdb |
                     |     |
                     +--+--+
                        |
------------------------+----------------------------------------------
                        |               core logic (debugger-agnostic)
                        |                             libheap/ptmalloc
                   +----+-----+
                   |          |
                   | ptmalloc |
                   |          |
                   +----+-----+
                        |
------------------------+----------------------------------------------
                        |                      debugger-dependent APIs
                        |                                libheap/pydbg
   +--------------+-----+---------+-------------+
   |              |               |             |
+--+---+   +------+------+   +----+----+   +----+---+
|      |   |             |   |         |   |        |
| lldb |   | pygdbpython |   | pygdbmi |   | r2pipe |
| TODO |   |             |   |  TODO   |   |  TODO  |
|      |   |             |   |         |   |        |
+---+--+   +-------+-----+   +---+-----+   +----+---+
    |              |             |              |
    |              |             |    +---------+
    |              |             |    |
----+--------------+-------------+----+--------------------------------
    |              |             |    |      debugger-provided backend
    |              |             | +--+
    |              |    +--------+ |
 +--+---+       +--+--+ |   +------+-+
 |      |       |     | |   |        |
 | lldb |       | gdb +-+   | ptrace |
 |      |       |     |     |        |
 +------+       +-----+     +--------+
-----------------------------------------------------------------------

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