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* Forbid inclusion of gcscan.h from VM and DAC directories
* Address code review feedback - hoist IsGCHeapInitialized check to an assert, since the heap should definitely be initialized if we are validating objects that ostensibly came from it
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GC's own logging), gcee.cpp and objecthandle.cpp.
The rule is GC will call the diagnostics functions at various points to communicate
info and these diagnostics functions might call back into the GC if they require
initimate knowledge of the GC in order to get certain info. This way gc.cpp does
not need to know about details of the diagnostics components, eg, the profiling context;
and the diagnostics components do not need to know details about the GC. So got rid of
ProfilingScanContext in gcinterface.h and passed scanning functions to GC and handle table.
Got rid of where it goes through things per heap as this is not something that diagnostics
should care about, including going through stack roots per heap (which is only done in
GC for scalability purposes but profiling is doing this on a single thread). This also makes it faster.
Got rid of the checks for gc_low/high in ProfScanRootsHelper as this is knowledge
profiling shouldn't have. And it was also incorrectly not including all interior
pointer stack roots.
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modifying the VM to utilize this interface.
Introduce an interface separating the GC and the rest of the VM
Remove static members of both IGCHeap and IGCHeapInternal and move the management of the singular GC heap to the VM.
Rename uses of IGCHeap in the VM to GCHeapHolder, as well as other misc. renames throughout the VM and GC.
Split each interface function into categories, document them, use consistent formatting across the interface
Undo some accidental find/replace collateral damage
Remove all ifdefs from the GC interface
Deduplicate function declarations between IGCHeap and IGCHeapInternal, expose AllocAlign8 through the interface and the reference to alloc_context to repair the ARM build
Paper cut: false -> nullptr
Repair the ARM and x86 builds
Rename GCHeapHolder -> GCHeapUtilities and address documentation feedback
Rebase against master
Rename gcholder.h/cpp -> gcheaputilities.h/cpp
Fix an uninitialized field on alloc_context causing test failures on clang
Rename the include guard for gcheaputilities.h
Un-breaks SOS by making the following changes:
1) Instructs the DAC to look for IGCHeap::gcHeapType by name,
instead of assuming that it exists near g_pGCHeap,
2) Eliminate all virtual calls on IGCHeap in the DAC, since we cannot
dispatch on an object in another process,
3) Because of 2, expose the number of generations past the GC interface
using a static variable on IGCHeap that the DAC can read directly.
repair the Windows build
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I've removed blocks with PAL_TRY that were under CATCH_GC. I also had to
fix contract problem in GCToEEInterface::GcStartWork that was marked as
THROWS due to StubHelpers::ProcessByrefValidationList being marked as
THROWS, but the StubHelpers::ProcessByrefValidationList in fact doesn't
throw since it has body wrapped in EX_TRY / EX_CATCH.
This also fixes a problem that started to appear after my previous exceptions
fix change.
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This change replaces all calls of OS specific functions in the GC by a call to
a platform agnostic interface. Critical sections were abstracted too.
The logging file access was changed to use CRT functions instead of Windows specific APIs.
A "size" member was added to the card_table_info so that we can pass the right
size to the VirtualRelease method when destroying the card table.
I have also fixed a bug in the gc_heap::make_card_table error path where when VirtualCommit
failed, it called VirtualRelease with size that was not the reserved size, but
the committed size.
Other related changes
- All interlocked operations moved to Interlocked class as static methods
- Removed unused function prototypes
- Shuffled stuff in the root CMakeLists.txt to enable building the GC sample using the
settings inherited from the root CMakeLists.txt and to clean up some things that have
rotted over time, like the FEATURE_xxx macros not being in one alphabetically ordered
block
- Fixed the VOLATILE_MEMORY_BARRIER macro in the gcenv.base.h
- Replaced uint32_t thread id by EEThreadId
- Removed thread handles storage (g_gc_thread) from the GC. The thread handle is closed right after the thread is launched. That allowed me to get rid of the GCThreadHandle
- Renamed the methods of the EEThreadId to be easier to understand
- Moved the gcenv.windows.cpp and gcenv.unix.cpp to the sample folder
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https://github.com/dotnet/corert/tree/master/src/Native/gc 7be6983a6510ef00de78f4c1c8bf884a89e7c82a
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[tfs-changeset: 1550765]
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https://github.com/dotnet/corert/tree/master/src/Native/gc c03d823a11f54e734e340813e6cd1e543ca448ef
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LPARAM, SSIZE_T
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This change replaces DWORD, LONGLONG, ULONGLONG, SIZE_T, BYTE, LONG32 and few more by
standard c++ types. The DWORD still remains present in signatures of Windows APIs used
by the GC. There are few issues with those that need to get fixed.
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- Add proper abstractions for threading methods to GCToEEInterface
- Split sample gcenv into multiple files to avoid redundant content
- Add handle table methods needed by .NET Native WinRT implementation
Part of #1550
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[tfs-changeset: 1407945]
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