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There are set of classes in Target that describe the parameters of a
process - e.g. it's PID, name, user id, and similar. However, since it
is a bare description of a process and contains no actual functionality,
there's nothing specifically that makes this appropriate for being in
Target -- it could just as well be describing a process on the host, or
some hypothetical virtual process that doesn't even exist.
To cement this, I'm moving these classes to Utility. It's possible that
we can find a better place for it in the future, but as it is neither
Host specific nor Target specific, Utility seems like the most appropriate
place for the time being.
After this there is only 2 remaining references to Target from Host,
which I'll address in a followup.
Differential Revision: https://reviews.llvm.org/D58842
llvm-svn: 355342
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Summary: Update the OpenBSD Host.cpp for the new SetFile() function signature. Fixes compiling lldb on OpenBSD.
Reviewers: krytarowski
Reviewed By: krytarowski
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D57907
llvm-svn: 353642
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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llvm-svn: 351504
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This patch removes the comments grouping header includes. They were
added after running IWYU over the LLDB codebase. However they add little
value, are often outdates and burdensome to maintain.
llvm-svn: 346626
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Fix SetFile uses in hosts that I missed in r334663.
llvm-svn: 334664
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llvm-svn: 325847
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llvm-svn: 323340
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Summary:
These were used by Host::LaunchProcess to "resolve" the executable it
was about to launch. The only parts of Platform::ResolveExecutable, which
seem to be relevant here are the FileSpec::ResolvePath and
ResolveExecutableLocation calls.
The rest (most) of that function deals with selecting an architecture
out of a fat binary and making sure we are able to create a Module with that
slice. These are reasonable actions when selecting a binary to debug,
but not for a generic process launching framework (it's technically even
wrong because we should be able to launch a binary with execute
permissions only, but trying to parse such file will obviously fail).
I remove the platform call by inlining the relevant FileSpec calls and
ignoring the rest of the Platform::ResolveExecutable code. The
architecture found by the slice-searching code is being ignored already
anyway, as we use the one specified in the LaunchInfo, so the only
effect of this should be a different error message in case the
executable does not contain the requested architecture -- before we
would get an error message from the Platform class, but now we will get
an error from the actual posix_spawn syscall (this is only relevant on
mac, as it's the only target supporting fat binaries).
Launching targets for debugging should not be affected as here the
executable is pre-resolved at the point when the Target is created.
Reviewers: jingham, clayborg
Subscribers: lldb-commits, emaste
Differential Revision: https://reviews.llvm.org/D41902
llvm-svn: 322935
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Summary:
There was some confusion in the code about how to represent process
environment. Most of the code (ab)used the Args class for this purpose,
but some of it used a more basic StringList class instead. In either
case, the fact that the underlying abstraction did not provide primitive
operations for the typical environment operations meant that even a
simple operation like checking for an environment variable value was
several lines of code.
This patch adds a separate Environment class, which is essentialy a
llvm::StringMap<std::string> in disguise. To standard StringMap
functionality, it adds a couple of new functions, which are specific to
the environment use case:
- (most important) envp conversion for passing into execve() and likes.
Instead of trying to maintain a constantly up-to-date envp view, it
provides a function which creates a envp view on demand, with the
expectation that this will be called as the very last thing before
handing the value to the system function.
- insert(StringRef KeyEqValue) - splits KeyEqValue into (key, value)
pair and inserts it into the environment map.
- compose(value_type KeyValue) - takes a map entry and converts in back
into "KEY=VALUE" representation.
With this interface most of the environment-manipulating code becomes
one-liners. The only tricky part was maintaining compatibility in
SBLaunchInfo, which expects that the environment entries are accessible
by index and that the returned const char* is backed by the launch info
object (random access into maps is hard and the map stores the entry in
a deconstructed form, so we cannot just return a .c_str() value). To
solve this, I have the SBLaunchInfo convert the environment into the
"envp" form, and use it to answer the environment queries. Extra code is
added to make sure the envp version is always in sync.
(This also improves the layering situation as Args was in the Interpreter module
whereas Environment is in Utility.)
Reviewers: zturner, davide, jingham, clayborg
Subscribers: emaste, lldb-commits, mgorny
Differential Revision: https://reviews.llvm.org/D41359
llvm-svn: 322174
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llvm-svn: 306817
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This renames the LLDB error class to Status, as discussed
on the lldb-dev mailing list.
A change of this magnitude cannot easily be done without
find and replace, but that has potential to catch unwanted
occurrences of common strings such as "Error". Every effort
was made to find all the obvious things such as the word "Error"
appearing in a string, etc, but it's possible there are still
some lingering occurences left around. Hopefully nothing too
serious.
llvm-svn: 302872
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Summary:
Add basic OpenBSD support. This is enough to be able to analyze core dumps for OpenBSD/amd64, OpenBSD/arm, OpenBSD/arm64 and OpenBSD/i386.
Note that part of the changes to source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp fix a bug that probably affects other platforms as well. The GetProgramHeaderByIndex() interface use 1-based indices, but in some case when looping over the headers the, the loop starts at 0 and misses the last header. This caused problems on OpenBSD since OpenBSD core dumps have the PT_NOTE segment as the last program header.
Reviewers: joerg, labath, krytarowski
Reviewed By: krytarowski
Subscribers: aemerson, emaste, rengolin, srhines, krytarowski, mgorny, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D31131
llvm-svn: 298810
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