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Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.
Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/
Sponsored by: Netflix
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Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
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The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.
Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix
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Reported by: gjb
X-MFC with: r326498
Notes:
svn path=/head/; revision=326626
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This is needed to support dtrace's -x setenv option.
MFC after: 2 weeks
Notes:
svn path=/head/; revision=326498
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Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
prone - task.
The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
Notes:
svn path=/head/; revision=326219
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X-MFC With: r315728
Notes:
svn path=/head/; revision=315729
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Reported by: Miles Ohlrich <miles.ohlrich@isilon.com>
MFC after: 1 week
Sponsored by: Dell EMC Isilon
Notes:
svn path=/head/; revision=315728
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This change adds some handling for the equivalent of Solaris' PGRAB_*
flags. In particular, support for PGRAB_RDONLY is needed to avoid a
nasty deadlock: dtrace(1) may otherwise stop the master process for its
pseudo-terminal and end up blocking while writing to standard output.
Notes:
svn path=/head/; revision=309597
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Extend the file handle cache entries to include symbol tables as well. An
index is used to implement binary search by symbol value. Lookups by
name are comparatively rare and are thus still implemented with a linear
search, but support for a binary search by name would be straightforward
to add if needed.
Notes:
svn path=/head/; revision=309596
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libproc previously created a new handle for each symbol lookup, which
gives rather egregious performance for DTrace's ustack() action. With
this change libproc will cache the libelf descriptor upon access, making
lookups much faster in the common case.
Notes:
svn path=/head/; revision=309594
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This allows librtld_db to fetch the PID from a handle without calling into
libproc. Together with r303531, this means that librtld_db no longer
references symbols from libproc.
Notes:
svn path=/head/; revision=309592
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MFC after: 1 week
Notes:
svn path=/head/; revision=309591
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In the normal case and correct failure cases, the 'phdl' pointer is passed to
callers to use or clean up as needed. However, some failure cases returned
early, failing to export the phdl pointer.
This was introduced in the restructuring of r303533.
Reported by: Coverity
CID: 1361070
Reviewed by: markj
Sponsored by: EMC / Isilon Storage Division
Notes:
svn path=/head/; revision=303669
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This is used by libdtrace to determine the data model of target processes.
This allows for the creation of pid provider probes in 32-bit processes on
amd64.
MFC after: 1 month
Notes:
svn path=/head/; revision=303533
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are found. This improves compatibility with Solaris' libproc and fixes a
number of failing DTrace tests that rely on this feature.
MFC after: 3 weeks
Notes:
svn path=/head/; revision=265255
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* 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.
Notes:
svn path=/head/; revision=257222
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proc_attach always frees any struct proc_handle data
that it allocates, but that is supposed to be done
only in error conditions.
PR: bin/158431
Approved by: re (kib)
MFC after: 1 week
Notes:
svn path=/head/; revision=224632
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Reviewed by: rpaulo
Notes:
svn path=/head/; revision=216432
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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
Notes:
svn path=/head/; revision=210688
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Update libproc API to reflect new changes.
Approved by: jb
Notes:
svn path=/head/; revision=184697
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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.
Notes:
svn path=/head/; revision=179185
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