| Commit message (Collapse) | Author | Age | Files | Lines |
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This moves the following classes from Core -> Utility.
ConstString
Error
RegularExpression
Stream
StreamString
The goal here is to get lldbUtility into a state where it has
no dependendencies except on itself and LLVM, so it can be the
starting point at which to start untangling LLDB's dependencies.
These are all low level and very widely used classes, and
previously lldbUtility had dependencies up to lldbCore in order
to use these classes. So moving then down to lldbUtility makes
sense from both the short term and long term perspective in
solving this problem.
Differential Revision: https://reviews.llvm.org/D29427
llvm-svn: 293941
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a dSYM per-uuid plist, only use it when the DBGVersion key has a
value of 2 or greater.
<rdar://problem/28889578>
<rdar://problem/29131339>
llvm-svn: 286335
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*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
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that may be embedded in the Contents/Resources subdir of a dSYM
bundle. These allow for the specification of a build-time path
to debug-time path remapping for source files. Files may be built
in /BuildDirectory/sources/project-100 but when the debugger is
run, they're actually found via ~sources/project-100 - this plist
allows for that remapping through the DBGBuildSourcePath and
DBGSourcePath keys.
This patch adds support for a new DBGSourcePathRemapping
dictionary in the plist where the keys are the build-time paths
and the values are the debug-time paths that they should be
remapped to. There are instances were we have multiple possible
build-time paths that need to be included, so the dictionary was
required.
<rdar://problem/26725174>
llvm-svn: 276729
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internal details, so I'll pull it back to just our own branch
of the sources.
llvm-svn: 252254
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at Apple, called by the DebugSymbols private framework to
find a dSYM for a UUID on mac) to include the latest
args we need to use when looking for kernel binaries etc.
llvm-svn: 252235
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when they introduced android testsuite regressions. Pavel has run the
testsuite against the updated patch and it completes cleanly now.
The original commit message:
Fixing a subtle issue on Mac OS X systems with dSYMs (possibly
introduced by r235737 but I didn't look into it too closely).
A dSYM can have a per-UUID plist in it which tells lldb where
to find an executable binary for the dSYM (DBGSymbolRichExecutable)
- other information can be included in this plist, like how to
remap the source file paths from their build pathnames to their
long-term storage pathnames.
This per-UUID plist is a unusual; it is used probably exclusively
inside apple with our build system. It is not created by default
in normal dSYMs.
The problem was like this:
1. lldb wants to find an executable, given only a UUID
(this happens when lldb is doing cross-host debugging
and doesn't have a copy of the target system's binaries)
2. It eventually calls LocateMacOSXFilesUsingDebugSymbols
which does a spotlight search for the dSYM on the local
system, and failing that, tries the DBGShellCommands
command to find the dSYM.
3. It gets a dSYM. It reads the per-UUID plist in the dSYM.
The dSYM has a DBGSymbolRichExecutable kv pair pointing to
the binary on a network filesystem.
4. Using the binary on the network filesystem, lldb now goes
to find the dSYM.
5. It starts by looking for a dSYM next to the binary it found.
6. lldb is now reading the dSYM over a network filesystem,
ignoring the one it found on its local filesystem earlier.
Everything still *works* but it's much slower.
This would be a tricky one to write up in a testsuite case;
you really need the binary to not exist on the local system.
And LocateMacOSXFilesUsingDebugSymbols will only compile on
Mac OS X - even if I found a way to write up a test case, it
would not run anywhere but on a mac.
One change Greg wanted while I was touching this code was to
have LocateMacOSXFilesUsingDebugSymbols (which could be asked
to find a binary OR find a dSYM) to instead return a ModuleSpec
with the sum total of everything it could find. This
change of passing around a ModuleSpec instead of a FileSpec
was percolated up into ModuleList::GetSharedModule.
The changes to LocateMacOSXFilesUsingDebugSymbols look larger
than they really are - there's a lot of simple whitespace changes
in there.
I ran the testsuites on mac, no new regressions introduced
<rdar://problem/21993813>
llvm-svn: 249755
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This reverts commit r248985, as it was breaking all remote
expression-evaluating tests (on android at least).
llvm-svn: 248995
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introduced by r235737 but I didn't look into it too closely).
A dSYM can have a per-UUID plist in it which tells lldb where
to find an executable binary for the dSYM (DBGSymbolRichExecutable)
- other information can be included in this plist, like how to
remap the source file paths from their build pathnames to their
long-term storage pathnames.
This per-UUID plist is a unusual; it is used probably exclusively
inside apple with our build system. It is not created by default
in normal dSYMs.
The problem was like this:
1. lldb wants to find an executable, given only a UUID
(this happens when lldb is doing cross-host debugging
and doesn't have a copy of the target system's binaries)
2. It eventually calls LocateMacOSXFilesUsingDebugSymbols
which does a spotlight search for the dSYM on the local
system, and failing that, tries the DBGShellCommands
command to find the dSYM.
3. It gets a dSYM. It reads the per-UUID plist in the dSYM.
The dSYM has a DBGSymbolRichExecutable kv pair pointing to
the binary on a network filesystem.
4. Using the binary on the network filesystem, lldb now goes
to find the dSYM.
5. It starts by looking for a dSYM next to the binary it found.
6. lldb is now reading the dSYM over a network filesystem,
ignoring the one it found on its local filesystem earlier.
Everything still *works* but it's much slower.
This would be a tricky one to write up in a testsuite case;
you really need the binary to not exist on the local system.
And LocateMacOSXFilesUsingDebugSymbols will only compile on
Mac OS X - even if I found a way to write up a test case, it
would not run anywhere but on a mac.
One change Greg wanted while I was touching this code was to
have LocateMacOSXFilesUsingDebugSymbols (which could be asked
to find a binary OR find a dSYM) to instead return a ModuleSpec
with the sum total of everything it could find. This
change of passing around a ModuleSpec instead of a FileSpec
was percolated up into ModuleList::GetSharedModule.
The changes to LocateMacOSXFilesUsingDebugSymbols look larger
than they really are - there's a lot of simple whitespace changes
in there.
I ran the testsuites on mac, no new regressions introduced
<rdar://problem/21993813>
llvm-svn: 248985
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dSYMs, or reading binaries out of memory to the 'Host' log channel.
There's more to be done here, both for Mac and for other platforms,
but the initial set of new loggings are useful enough to check in
at this point.
llvm-svn: 243200
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adding them
to the path remappings.
Also don't add the paths to the path mapping when DebugSymbols tells up about files, since
we'll just do that again when we read in the dSYM.
<rdar://problem/21986208>
llvm-svn: 243181
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executable.
Currently Symbols::LocateExecutableSymbolFile on MacOSX only looks for external
dsym debugging information, however if running on a stripped dwarf executable it
should also check for a .debug file as well.
Test Plan:
./dotest.py $DOTEST_OPTS -t -p TestSharedLibStrippedSymbols.py
This test now passes when running a remote Mac -> Linux test, and still passes
running locally on Mac or locally on Linux.
Differential Revision: http://reviews.llvm.org/D9174
llvm-svn: 235737
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llvm-svn: 226181
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clang warning.
llvm-svn: 220018
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Change by Paul Osmialowski
See http://reviews.llvm.org/D4379 for details.
llvm-svn: 212583
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headers
on Mac OS X (in particular mach/machine.h).
<rdar://problem/16494607>
llvm-svn: 205480
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These changes were written by Greg Clayton, Jim Ingham, Jason Molenda.
It builds cleanly against TOT llvm with xcodebuild. I updated the
cmake files by visual inspection but did not try a build. I haven't
built these sources on any non-Mac platforms - I don't think this
patch adds any code that requires darwin, but please let me know if
I missed something.
In debugserver, MachProcess.cpp and MachTask.cpp were renamed to
MachProcess.mm and MachTask.mm as they picked up some new Objective-C
code needed to launch processes when running on iOS.
llvm-svn: 205113
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llvm-svn: 189317
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UUID string in; added UUID::GetAsString() which returns the uuid string in
a std::string. Updated callers to use the new method.
llvm-svn: 181078
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to pass it to CFGetTypeID() anyway.
<rdar://problem/13181904>
llvm-svn: 174772
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Fix in loading mach files from memory when using DynamicLoaderMacOSXDYLD.
Removed the uuid mismatch warning that could be spit out and any time during debugging and removed the test case that was looking for that. Currently the "add-dsym" or "target symbols add" command will report an error when the UUID's don't match.
Be more careful when checking and resolving section + offset addresses to make sure none of the base addresses are invalid.
llvm-svn: 174222
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Major fixed to allow reading files that are over 4GB. The main problems were that the DataExtractor was using 32 bit offsets as a data cursor, and since we mmap all of our object files we could run into cases where if we had a very large core file that was over 4GB, we were running into the 4GB boundary.
So I defined a new "lldb::offset_t" which should be used for all file offsets.
After making this change, I enabled warnings for data loss and for enexpected implicit conversions temporarily and found a ton of things that I fixed.
Any functions that take an index internally, should use "size_t" for any indexes and also should return "size_t" for any sizes of collections.
llvm-svn: 173463
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slice of a fat dSYM in certain cases.
<rdar://problem/12921206>
llvm-svn: 170926
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reversed in r170152.
<rdar://problem/12886584>
llvm-svn: 170256
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equality can be strict or loose and we want code to
explicitly choose one or the other.
Also renamed the Compare function to IsEqualTo, to
avoid confusion.
<rdar://problem/12856749>
llvm-svn: 170152
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"~rc" via getpwnam() instead of doing tilde expansion and doing soft-link
dereferencing via realpath() - if we're pointing to a softlink, leave it
as-is.
<rdar://problem/12597698>
llvm-svn: 167052
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whether we try to call an external program to load symbols unconditionally,
or if we check the user's preferences before calling it.
ProcessMachCore now sets CanJIT to false - we can't execute code in a core file.
DynamicLoaderDarwinKernel::OSKextLoadedKextSummary::LoadImageUsingMemoryModule changed
to load the kernel from an on-disk file if at all possible.
Don't load the kext binaries out of memory from the remote systems - their linkedit doesn't
seem to be in a good state and we'll error out down in SymbolVendorMacOSX if we try to use
the in-memory images.
Call Symbols::DownloadObjectAndSymbolFile to get the kext/kernel binary -- the external
program may be able to give us a file path on the local filesystem instead of reading
the binary / dSYM over a network drive every time. Fall back to calling
Target::GetSharedModule() like before if DownloadObjectAndSymbolFile fails.
llvm-svn: 165471
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expansion on the dSYM path we find if it starts with a tilde.
llvm-svn: 165299
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the Symbols::LocateExecutableObjectFile method to locate kexts and
kernels instead of copying them out of the memory of the remote
system. This is the fix for <rdar://problem/12416384>.
Fix a variable shadowing problem in
Symbols::LocateMacOSXFilesUsingDebugSymbols which caused the symbol
rich executable binaries to not be found even if they were listed
in the dSYM Info.plist.
Change Symbols::DownloadObjectAndSymbolFile to ignore dsymForUUID's
negative cache - this is typically being called by the user and we
should try even if there's a incorrect entry in the negative cache.
llvm-svn: 165061
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symfile add" command.
We can now do:
Specify a path to a debug symbols file:
(lldb) add-dsym <path-to-dsym>
Go and download the dSYM file for the "libunc.dylib" module in your target:
(lldb) add-dsym --shlib libunc.dylib
Go and download the dSYM given a UUID:
(lldb) add-dsym --uuid <UUID>
Go and download the dSYM file for the current frame:
(lldb) add-dsym --frame
llvm-svn: 164806
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UUID.
llvm-svn: 164753
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Partial fix for the above radar where we now resolve dsym mach-o files within the dSYM bundle when using "add-dsym" through the platform.
llvm-svn: 163676
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Make breakpoint setting by file and line much more efficient by only looking for inlined breakpoint locations if we are setting a breakpoint in anything but a source implementation file. Implementing this complex for a many reasons. Turns out that parsing compile units lazily had some issues with respect to how we need to do things with DWARF in .o files. So the fixes in the checkin for this makes these changes:
- Add a new setting called "target.inline-breakpoint-strategy" which can be set to "never", "always", or "headers". "never" will never try and set any inlined breakpoints (fastest). "always" always looks for inlined breakpoint locations (slowest, but most accurate). "headers", which is the default setting, will only look for inlined breakpoint locations if the breakpoint is set in what are consudered to be header files, which is realy defined as "not in an implementation source file".
- modify the breakpoint setting by file and line to check the current "target.inline-breakpoint-strategy" setting and act accordingly
- Modify compile units to be able to get their language and other info lazily. This allows us to create compile units from the debug map and not have to fill all of the details in, and then lazily discover this information as we go on debuggging. This is needed to avoid parsing all .o files when setting breakpoints in implementation only files (no inlines). Otherwise we would need to parse the .o file, the object file (mach-o in our case) and the symbol file (DWARF in the object file) just to see what the compile unit was.
- modify the "SymbolFileDWARFDebugMap" to subclass lldb_private::Module so that the virtual "GetObjectFile()" and "GetSymbolVendor()" functions can be intercepted when the .o file contenst are later lazilly needed. Prior to this fix, when we first instantiated the "SymbolFileDWARFDebugMap" class, we would also make modules, object files and symbol files for every .o file in the debug map because we needed to fix up the sections in the .o files with information that is in the executable debug map. Now we lazily do this in the DebugMapModule::GetObjectFile()
Cleaned up header includes a bit as well.
llvm-svn: 162860
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'add-dsym' (aka 'target symbols add') should display error messages when dsym file is not found
or the dsym uuid does not match any existing modules. Add TestAddDsymCommand.py test file.
llvm-svn: 162332
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llvm-svn: 160158
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llvm-svn: 156264
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Use the metadata in the dSYM bundle Info.plist to remap source paths when they keys are available.
llvm-svn: 152836
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more of the local path, platform path, associated symbol file, UUID, arch,
object name and object offset. This allows many of the calls that were
GetSharedModule to reduce the number of arguments that were used in a call
to these functions. It also allows a module to be created with a ModuleSpec
which allows many things to be specified prior to any accessors being called
on the Module class itself.
I was running into problems when adding support for "target symbol add"
where you can specify a stand alone debug info file after debugging has started
where I needed to specify the associated symbol file path and if I waited until
after construction, the wrong symbol file had already been located. By using
the ModuleSpec it allows us to construct a module with as little or as much
information as needed and not have to change the parameter list.
llvm-svn: 151476
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Tracking modules down when you have a UUID and a path has been improved.
DynamicLoaderDarwinKernel no longer parses mach-o load commands and it
now uses the memory based modules now that we can load modules from memory.
Added a target setting named "target.exec-search-paths" which can be used
to supply a list of directories to use when trying to look for executables.
This allows one or more directories to be used when searching for modules
that may not exist in the SDK/PDK. The target automatically adds the directory
for the main executable to this list so this should help us in tracking down
shared libraries and other binaries.
llvm-svn: 150426
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o Symbols.cpp:
Emit a warning message when dSYM does not match the binary.
o warnings/uuid:
Added regression test case.
o lldbtest.py:
Modified to allow test case writer to demand that the build command does not begin
with a clean first; required to make TestUUIDMismatchWanring.py work.
rdar://problem/10515708
llvm-svn: 149465
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mmap() the entire object file contents into memory with MAP_PRIVATE.
We do this because object file contents can change on us and currently
this helps alleviate this situation. It also make the code for accessing
object file data much easier to manage and we don't end up opening the
file, reading some data and closing the file over and over.
llvm-svn: 148017
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- If you download and build the sources in the Xcode project, x86_64 builds
by default using the "llvm.zip" checkpointed LLVM.
- If you delete the "lldb/llvm.zip" and the "lldb/llvm" folder, and build the
Xcode project will download the right LLVM sources and build them from
scratch
- If you have a "lldb/llvm" folder already that contains a "lldb/llvm/lib"
directory, we will use the sources you have placed in the LLDB directory.
Python can now be disabled for platforms that don't support it.
Changed the way the libllvmclang.a files get used. They now all get built into
arch specific directories and never get merged into universal binaries as this
was causing issues where you would have to go and delete the file if you wanted
to build an extra architecture slice.
llvm-svn: 143678
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promiscuous include additions, but not Makefiles).
llvm-svn: 143382
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an executable file if it is right next to a dSYM file that is found using
DebugSymbols. The code also looks into a bundle if the dSYM file is right
next to a bundle.
Modified the MacOSX kernel dynamic loader plug-in to correctly set the load
address for kext sections. This is a tad tricky because of how LLDB chooses
to treat mach-o segments with no name. Also modified the loader to properly
handle the older version 1 kext summary info.
Fixed a crasher in the Mach-o object file parser when it is trying to set
the section size correctly for dSYM sections.
Added packet dumpers to the CommunicationKDP class. We now also properly
detect address byte sizes based on the cpu type and subtype that is provided.
Added a read memory and read register support to CommunicationKDP. Added a
ThreadKDP class that now uses subclasses of the RegisterContextDarwin_XXX for
arm, i386 and x86_64.
Fixed some register numbering issues in the RegisterContextDarwin_arm class
and added ARM GDB numbers to the ARM_GCC_Registers.h file.
Change the RegisterContextMach_XXX classes over to subclassing their
RegisterContextDarwin_XXX counterparts so we can share the mach register
contexts between the user and kernel plug-ins.
llvm-svn: 135466
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the CommandInterpreter where it was always being used.
Make sure that Modules can track their object file offsets correctly to
allow opening of sub object files (like the "__commpage" on darwin).
Modified the Platforms to be able to launch processes. The first part of this
move is the platform soon will become the entity that launches your program
and when it does, it uses a new ProcessLaunchInfo class which encapsulates
all process launching settings. This simplifies the internal APIs needed for
launching. I want to slowly phase out process launching from the process
classes, so for now we can still launch just as we used to, but eventually
the platform is the object that should do the launching.
Modified the Host::LaunchProcess in the MacOSX Host.mm to correctly be able
to launch processes with all of the new eLaunchFlag settings. Modified any
code that was manually launching processes to use the Host::LaunchProcess
functions.
Fixed an issue where lldb_private::Args had implicitly defined copy
constructors that could do the wrong thing. This has now been fixed by adding
an appropriate copy constructor and assignment operator.
Make sure we don't add empty ModuleSP entries to a module list.
Fixed the commpage module creation on MacOSX, but we still need to train
the MacOSX dynamic loader to not get rid of it when it doesn't have an entry
in the all image infos.
Abstracted many more calls from in ProcessGDBRemote down into the
GDBRemoteCommunicationClient subclass to make the classes cleaner and more
efficient.
Fixed the default iOS ARM register context to be correct and also added support
for targets that don't support the qThreadStopInfo packet by selecting the
current thread (only if needed) and then sending a stop reply packet.
Debugserver can now start up with a --unix-socket (-u for short) and can
then bind to port zero and send the port it bound to to a listening process
on the other end. This allows the GDB remote platform to spawn new GDB server
instances (debugserver) to allow platform debugging.
llvm-svn: 129351
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of Stephen Wilson's idea (thanks for the input Stephen!). What I ended up
doing was:
- Got rid of ArchSpec::CPU (which was a generic CPU enumeration that mimics
the contents of llvm::Triple::ArchType). We now rely upon the llvm::Triple
to give us the machine type from llvm::Triple::ArchType.
- There is a new ArchSpec::Core definition which further qualifies the CPU
core we are dealing with into a single enumeration. If you need support for
a new Core and want to debug it in LLDB, it must be added to this list. In
the future we can allow for dynamic core registration, but for now it is
hard coded.
- The ArchSpec can now be initialized with a llvm::Triple or with a C string
that represents the triple (it can just be an arch still like "i386").
- The ArchSpec can still initialize itself with a architecture type -- mach-o
with cpu type and subtype, or ELF with e_machine + e_flags -- and this will
then get translated into the internal llvm::Triple::ArchSpec + ArchSpec::Core.
The mach-o cpu type and subtype can be accessed using the getter functions:
uint32_t
ArchSpec::GetMachOCPUType () const;
uint32_t
ArchSpec::GetMachOCPUSubType () const;
But these functions are just converting out internal llvm::Triple::ArchSpec
+ ArchSpec::Core back into mach-o. Same goes for ELF.
All code has been updated to deal with the changes.
This should abstract us until later when the llvm::TargetSpec stuff gets
finalized and we can then adopt it.
llvm-svn: 126278
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llvm-svn: 124931
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build issues on MinGW.
llvm-svn: 124888
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LLDB plugin directory and a user LLDB plugin directory. We currently still
need to work out at what layer the plug-ins will be, but at least we are
prepared for plug-ins. Plug-ins will attempt to be loaded from the
"/Developer/Library/PrivateFrameworks/LLDB.framework/Resources/Plugins"
folder, and from the "~/Library/Application Support/LLDB/Plugins" folder on
MacOSX. Each plugin will be scanned for:
extern "C" bool LLDBPluginInitialize(void);
extern "C" void LLDBPluginTerminate(void);
If at least LLDBPluginInitialize is found, the plug-in will be loaded. The
LLDBPluginInitialize function returns a bool that indicates if the plug-in
should stay loaded or not (plug-ins might check the current OS, current
hardware, or anything else and determine they don't want to run on the current
host). The plug-in is uniqued by path and added to a static loaded plug-in
map. The plug-in scanning happens during "lldb_private::Initialize()" which
calls to the PluginManager::Initialize() function. Likewise with termination
lldb_private::Terminate() calls PluginManager::Terminate(). The paths for the
plug-in directories is fetched through new Host calls:
bool Host::GetLLDBPath (ePathTypeLLDBSystemPlugins, dir_spec);
bool Host::GetLLDBPath (ePathTypeLLDBUserPlugins, dir_spec);
This way linux and other systems can define their own appropriate locations
for plug-ins to be loaded.
To allow dynamic shared library loading, the Host layer has also been modified
to include shared library open, close and get symbol:
static void *
Host::DynamicLibraryOpen (const FileSpec &file_spec,
Error &error);
static Error
Host::DynamicLibraryClose (void *dynamic_library_handle);
static void *
Host::DynamicLibraryGetSymbol (void *dynamic_library_handle,
const char *symbol_name,
Error &error);
lldb_private::FileSpec also has been modified to support directory enumeration
in an attempt to abstract the directory enumeration into one spot in the code.
The directory enumertion function is static and takes a callback:
typedef enum EnumerateDirectoryResult
{
eEnumerateDirectoryResultNext, // Enumerate next entry in the current directory
eEnumerateDirectoryResultEnter, // Recurse into the current entry if it is a directory or symlink, or next if not
eEnumerateDirectoryResultExit, // Exit from the current directory at the current level.
eEnumerateDirectoryResultQuit // Stop directory enumerations at any level
};
typedef FileSpec::EnumerateDirectoryResult (*EnumerateDirectoryCallbackType) (void *baton,
FileSpec::FileType file_type,
const FileSpec &spec);
static FileSpec::EnumerateDirectoryResult
FileSpec::EnumerateDirectory (const char *dir_path,
bool find_directories,
bool find_files,
bool find_other,
EnumerateDirectoryCallbackType callback,
void *callback_baton);
This allow clients to specify the directory to search, and specifies if only
files, directories or other (pipe, symlink, fifo, etc) files will cause the
callback to be called. The callback also gets to return with the action that
should be performed after this directory entry. eEnumerateDirectoryResultNext
specifies to continue enumerating through a directory with the next entry.
eEnumerateDirectoryResultEnter specifies to recurse down into a directory
entry, or if the file is not a directory or symlink/alias to a directory, then
just iterate to the next entry. eEnumerateDirectoryResultExit specifies to
exit the current directory and skip any entries that might be remaining, yet
continue enumerating to the next entry in the parent directory. And finally
eEnumerateDirectoryResultQuit means to abort all directory enumerations at
all levels.
Modified the Declaration class to not include column information currently
since we don't have any compilers that currently support column based
declaration information. Columns support can be re-enabled with the
additions of a #define.
Added the ability to find an EmulateInstruction plug-in given a target triple
and optional plug-in name in the plug-in manager.
Fixed a few cases where opendir/readdir was being used, but yet not closedir
was being used. Soon these will be deprecated in favor of the new directory
enumeration call that was added to the FileSpec class.
llvm-svn: 124716
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with "DIR *opendir(const char *)" is closed if it is valid with a call to "int closedir (DIR *)".
llvm-svn: 124648
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