pygdb | Minimal C Debugger in Python | Code Inspection library

by theicfire C Version: Current License: Unlicense

X-Ray Key Features Code Snippets Community Discussions(1)Vulnerabilities Install Support

kandi X-RAY | pygdb Summary

pygdb is a C library typically used in Code Quality, Code Inspection applications. pygdb has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Minimal C Debugger in Python

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Quality

Security

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pygdb has a low active ecosystem.

It has 6 star(s) with 0 fork(s). There are 1 watchers for this library.

It had no major release in the last 6 months.

pygdb has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of pygdb is current.

Quality

pygdb has no bugs reported.

Security

pygdb has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

pygdb is licensed under the Unlicense License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

pygdb releases are not available. You will need to build from source code and install.

Installation instructions are available. Examples and code snippets are not available.

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pygdb Key Features

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pygdb Examples and Code Snippets

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Community Discussions

Trending Discussions on pygdb

What is process branch trap?

QUESTION

What is process branch trap?

Asked 2017-Aug-26 at 20:40

Some background first: I'm writing a debugger and now I am trying to distinguish between different types of process break point. The PTRACE_GETSIGINFO request of ptrace() can help retrieve detail information of tracee signal. for the SIGTRAP signal, there are several types of si_code including TRAP_BRKPT, TRAP_TRACE, TRAP_BRANCH, TRAP_HWBKPT.

In the manual of sigaction (man sigaction) in Linux, there is a si_code constant TRAP_BRANCH in structure siginfo_t, and the manual says that is this constant denotes process branch trap, so:

1. what is a process branch trap?

I also notice that there is a 'TRAP_TRACE` constant and the manual says that this constant denotes process trap, so:

2. what is the difference between process trap and process branch trap?

...

ANSWER

Answered 2017-Aug-26 at 20:40

Use The Source

A way to answer your questions that I'm fond of, is to look at the sources. You don't say which linux kernel specifically, so taking a peek then at the 3.17.2 sources seems to serve at least for exposition of this technique.

Let's start then with recursive greps for each trap...

Grepping for TRAP_BRANCH

Source https://stackoverflow.com/questions/45895234

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install pygdb

Now run these commands in the VM:.
Install Vagrant
git clone https://github.com/theicfire/pygdb
cd pygdb
vagrant up -- will take a bit of time
vagrant ssh
cd /vagrant
make test

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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