ltrace

ltrace is a debugging program which runs a specified command until it exits.

It can also intercept and print the system calls executed by the program.

The program to be traced need not be recompiled for this, so you can use it on binaries for which you don't have the source handy.

What is new in this release:

• This version brings several minor bugfixes.

What is new in version 0.7.1:

• This version brings several bugfixes and minor feature improvements.

What is new in version 0.7.0:

• Most notably, it brings full support for tracing multi-threaded processes, inter-library calls, and PIE binaries, and improves parameter passing conventions.

What is new in version 0.6.0:

• This is mostly a bugfix release, adds several fixes in architecture-specific code.
• New features include tracing of symbols from libraries opened with dlopen, and the ability to print stack traces of events.
• The build system has been ported to autotools again.