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If the traced process stops because it received a signal, libproc needs
to ensure that the signal is forwarded when proc_continue() is called.
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MFC r256661:
Fix the libproc build when DEBUG is defined.
MFC r257222:
Clean up the debug printing in libproc a bit. In particular:
* Don't print any error messages to stderr unless DEBUG is defined.
* Add a DPRINTFX macro for use when errno isn't set.
* Print the error string from libelf when appropriate.
MFC r257235:
Remove an incorrect debug printf.
MFC r257248:
Fix the build with gcc.
MFC r257298:
Revert r257248 and fix the problem in a way that doesn't violate style(9).
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o return the correct status in proc_wstatus()
o proc_read takes a void *
o correctly allocate the objs structure array
Sponsored by: The FreeBSD Foundation
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* breakpoint setup support
* register query
* symbol to address mapping and vice-versa
* more misc utility functions based on their Solaris counterpart
Also, I've written some test cases.
Sponsored by: The FreeBSD Foundation
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These will be fleshed out as part of the DTrace userland tracing
development.
For now, the kernel tracing part of DTrace requires minimal functionality
for this library.
The API for this library is deliberately different from the libproc in
OpenSolaris due to licensing restrictions.
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