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NAME

Sys::Ptrace - Perl interface to the ptrace(2) command

SYNOPSIS

  use Sys::Ptrace qw(ptrace PTRACE_TRACEME);

  ptrace( PTRACE_TRACEME, $pid, $addr, $data );

EXAMPLES

  use Sys::Ptrace qw(ptrace PTRACE_SYSCALL PTRACE_CONT PTRACE_TRACEME);

  ptrace(PTRACE_SYSCALL, $pid, undef, undef);

  ptrace(PTRACE_CONT, $pid, undef, undef);

  ptrace(PTRACE_TRACEME, $$, 0, 0);

DESCRIPTION

Perl interface to the ptrace(2) command. This module is meant to be used mostly for debugging purposes and for black box testing where the source code is generally not available or unknown. This may also prove useful when the program or script in question has already been compiled to a binary or it is third party code.

EXPORT

ptrace( $request, $pid, $addr, $data)

  Returns true on success and sets $! on failure.

EXPORT_OK

  PT_ATTACH
  PT_CONTINUE
  PT_DETACH
  PT_GETFPREGS
  PT_GETFPXREGS
  PT_GETREGS
  PT_KILL
  PT_READ_D
  PT_READ_I
  PT_READ_U
  PT_SETFPREGS
  PT_SETFPXREGS
  PT_SETREGS
  PT_STEP
  PT_SYSCALL
  PT_TRACE_ME
  PT_WRITE_D
  PT_WRITE_I
  PT_WRITE_U
  ptrace

and all PTRACE_* constants defined in linux/ptrace.h and asm/ptrace.h

BUGS

It is designed specifically for linux OS on the x86 and x86_64 platforms. It is not meant to be tested or used on any other system at this time. Any portability changes and/or bug fixes should be sent to the author.

AUTHOR

Rob Brown, rob@roobik.com

COPYRIGHT

Copyright (c) 2001 Rob Brown. All rights reserved.

Copyright (c) 2012 John Lightsey. All rights reserved.

This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

ptrace(2)