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* Allow 'Non-ARM Host managing ARM related code' scenario in src/inc/crosscomp.h
* Restrict RtlUnwindEx RtlVirtualUnwind to X86 || FEATURE_PAL in src/inc/clrnt.h
* Define PTR_RUNTIME_FUNCTION via T_RUNTIME_FUNCTION in src/inc/daccess.h
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* [x86/Linux][SOS] Add support for x86 in GetContextFromFrame
It's need for 'clrstack -f' command of SOS plugin on x86.
* [x86/Linux] Fix RtlpGetFunctionEndAddress function
We should use PTR_UNWIND_INFO instead of PUNWIND_INFO for pointer to
UNWIND_INFO structure because it's pointer from other process and
we need to use DAC to read data using it.
* [x86/Linux][SOS] Define DEBUG_STACK_CONTEXT for x86
It's needed for 'clrstack -f' command in libsosplugin.
* [x86/Linux] Fix undefined references in libmscordbi.so on x86
Asm block like following:
__asm fnsave currentFPUState
where currentFPUState is structure works with MSVC but leads to
undefined reference currentFPUState in the binary with other
compilers. So rewrite such asm blocks for them.
This patch fixes error "Unable to load 'libmscordbi.so'" during
execution of 'clrstack -f' command of SOS plugin on x86.
* [x86/Linux] Fix calling convention inconsistency
WINAPI and STDAPI are defined as __cdecl but in some cases functions
with these attributes are called using stdcall calling convention.
It leads to crashes during execution of 'clrstack -i' command of
SOS plugin on x86.
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* [x86/Linux] (Partially) Enable FEATURE_EH_FUNCLETS
* Update CLR ABI Document
* Add TODO (for Funclet Prolog/Epilog Gen)
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* Move GetUnwindInfo and GetNumberOfUnwindInfos into the real code header
This commit fixes #8342.
* Use WIN64EXCEPTIONS instead of _TARGET_X86_
* Revise FaultingExceptionFrame
This commit revises FaultingExceptionFrame to support WIN64EXCEPTIONS in
x86/Linux port.
* Add RUNTIME_FUNCTION__EndAddress as NYI
* Revise regdisp.h
* Revise eetwain.h
* Comment out exinfo.cpp if WIN64EXCEPTIONS is defined
* Revises excep.cpp
* Fix mistmatch in ThrowControlForThread defintion
* Revises cgenx86.cpp
* Disable SEH-based exception handlers when WIN64EXCEPTIONS is defined
* Revise stackwalk.cpp
* Revise jitinterface.cpp
* Revise readytorun.h
* Revise dbgipcevents.h
* Revise zapcode.cpp
* Revise clrnt.h
* Fix Windows build error
* Mark FaultingExceptionFrame::UpdateRegDisplay as NYI
* Revise per feedback
* Revert #if defined(..) as #ifdef
* Fix style changes
* Fix style changes
* Remove #undef _TARGET_X86_
* 2nd attempt to fix Windows build error
* Revise per feedback
* Revert the chagnes in clrdefinitions.cmake and add BIT32 in CMakeLists.txt
* Use !BIT64 instead of BIT32
* Include exceptionhandling.cpp and gcinfodecoder.cpp in build
This commit includes exceptionhandling.cpp and gcinfodecoder.cpp in
build, and fixes related compile errors.
* Fix COMPlus_EndCatch undefined reference
* Fix build error
* Fix GcInfoDecoder-related undefined references
* Fix AdjustContextForVirtualStub undefined reference
* Fix GetCallerSP undefined reference
* Fix ResetThreadAbortState undefined reference
* Attempt to fix Windows build error
* Fix CLRNoCatchHandler undefined reference
* Another attemp to fix Windows build error
* Fix GetXXXFromRedirectedStubStackFrame undefined references
* Fix Windows Build Error
* Add RtlpGetFunctionEndAddress and RtlVirtualUnwind as NYI
* Fix undefined references on JIT helpers
* Enable Dummy Application Run with WIN64EXCEPTIONS
* Revert "Move GetUnwindInfo and GetNumberOfUnwindInfos into the real code header"
This reverts commit c2bad85ac1136be3c6fb6ad7eedc5b3814b2ab29.
* Use indirect code header when WIN64EXCEPTIONS is enabled
* Port 'SyncRegDisplayToCurrentContext' and 'FillRegDisplay'
* Revise style 'RUNTIME_FUNCTION__SetUnwindInfoAddress'
* Extract out HandlerData from #ifdef region
* Add UNIXTODO
* Add UNIXTODO
* Port 'GetRegdisplayReturnValue'
* Fix incorrect comment
* Remove messages that mentions WIN32EXCEPTIONS
* Revise AdjustContextForWriteBarrier
* Port 'FaultingExceptionFrame::UpdateRegDisplay'
* Extract out 'AdjustContextForVirtualStub' and 'CLRNoCatchHandler' from #ifdef region
* Merge two #ifdef regions
* Set WIN64EXCEPTIONS as a default for x86/Linux
* Remove unnecessary #ifdef from ThrowControlForThread
* Remove unnecessary stubs
* Add Dependency Check between Compile Flags
* Revise per feedback
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RUNTIME_FUNCTION__BeginAddress is defined in corcompile.h for x86, but
is defined in clrnt.h for all the other architectures.
This commit moves RUNTIME_FUNCTION__BeginAddress defines for x86 into
clrnt.h to make it consistent.
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WIP, fix compile error for x86/Linux
- add directive WIN32 to current DISPATCHER_CONTEXT in clrnt.h
- add DISPATCHER_CONTEXT for x86 in palrt.h
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Fixes https://github.com/dotnet/coreclr/issues/4350
Fixes https://github.com/dotnet/coreclr/issues/4615
This is a bit large change across VM/Zap/JIT to properly support crossgen
scenario.
1. Fix incorrect `ldr` encoding with size.
2. Enforce JIT data following JIT code per method by allocating them together.
This guarantees correct PC-relative encoding for such constant data access
without fix-up.
3. For the general fix-up data acceess, use `adrp/add` instruction pairs with fix-ups.
Two more relocations types are implemented in all sides.
4. Interface dispatch stub is now implemented which is needed for
interface call for crossgen.
I've verified hello world runs with mscorlib.ni.dll.
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Define the AMD64 unwind codes in their own header.
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Currently only enabled for arm64
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This matches the CFI unwind codes and allows the JIT to be more
precise about its includes.
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The JIT will now always create RBP chains on Unix platforms. This includes in functions
the use localloc.
To do this, the VM is extended with a new Unix-only AMD64 unwind code: UWOP_SET_FPREG_LARGE.
The existing unwind code which is used to establish a frame pointer, UWOP_SET_FPREG, requires
that the frame pointer, when established, be no more than 240 bytes offset from the stack pointer.
This doesn't work well for frames that use localloc. (Large frames without localloc are ok,
because we don't report the frame pointer in the unwind info except for in functions with
localloc or EnC.)
The new unwind code has a 32-bit range. If used, UNWIND_INFO.FrameRegister
must be set to the frame pointer register, and UNWIND_INFO.FrameOffset must be set to 15
(its maximum value). This code is followed by two UNWIND_CODEs that are combined to form
its 32-bit offset. The high 4 bits must be zero. This offset is then scaled by 16. This
result is used as the FP register offset from SP at the time the frame pointer is established.
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This mainly involved DACizing the VM code.
A bulk edit for changing RUNTIME_FUNCTION to T_RUNTIME_FUNCTION
[tfs-changeset: 1591667]
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For Unix targeting CoreRT, this will provide platform specific unwind
info which is a dwarf format.
Unlike window’s UNWIND_INFO, we won’t encode the format within RyuJit
since it is not only complex/error-prone but also needs to be adjusted
depending on platforms.
Instead, CFI (call frame information) pseudo instructions are encoded,
which will be passed to CoreRT/ObjectWriter which will translate
them to directly emit CFI directives to LLVM MC stream to establish
frames and layout eh_frame section.
A jit flag is used to dynamically dispatch either Windows’s unwind
blob or this CFI instruction table. No JIT/EE interface change is needed
since the API already expects an opaque blob.
Initially when I looked at what Clang does, the prologue and the
sequence of CFI emissions are a bit different than Windows.
Since we will emit the same sequence of code with the same runtime that
we define, I assume this is unnecessary – I’ve verified the CFI sequence
here can work correctly with libunwind.
Basically we need only 3 operations – push reg is a combination of 1 and
2 below.
1. Allocation – increase stack frame. Normally subtract esp in x64.
2. Store – Copy a (callee save) register to stack (memory)
3. SaveFP – Set frame pointer register
Since Windows operation is based on the relative value (all offsets,
etc are computed from the current point), I also use the similar form of
CFI instructions.
So, mostly one window’s code corresponds to two CFIs – we might optimize
this by aggregating allocation, but I’d like to keep the current
syntax/semantic same as Windows.
This results in a very simple transformation on par with Windows.
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[tfs-changeset: 1507960]
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c_runtime/vprintf/test1 is disabled as casting NULL to va_list is
against the C specification.
Fix SetFilePointer tests on 32 bit platforms.
Define _FILE_OFFSET_BITS=64 so that we have long file support on 32 bit
platforms.
Implement context capture/restore for ARM.
Link libgcc_s before libunwind on ARM so C++ exceptions work.
Translate armasm to gas syntax.
Specify Thumb, VFPv3, ARMv7 for the ARM target.
Add ARM configuration to mscorlib build
Implement GetLogicalProcessorCacheSizeFromOS in PAL.
Set UNWIND_CONTEXT_IS_UCONTEXT_T from configure check.
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Simplify platform ifdefs like #if defined(_WIN64) || defined(_TARGET_ARM_) to #if !defined(_TARGET_X86_) based on @BruceForstall suggestion
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Update the windows amd64 unwinder from its source to the latest version
and add context pointers updating that was excluded before.
Change methods of the OOPStackUnwinder and OOPStackUnwinderAMD64 to be
static, since the base class has no data members and the unwinding is
always using the processor specific subclass.
Modify the code so that it is built in two flavors. The first one
is the DAC flavor which is used by the debugger. The second one will be
used for jitted code stack frames unwinding on non-Windows systems.
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[tfs-changeset: 1407945]
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