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Many diagnostic tools are unaware of 32-bit applications which have
large address spaces (> 2GB). Such tools include the TraceEvent library
(required by PerfView and dotnet-trace), and Visual Studio. They assume
the address range 0x80000000 through 0xFFFFFFFF as the system space and
thus often fail to read symbols from event traces generated by CoreCLR.
This workaround is to support such scenarios by simply discarding MSBs
of 32-bit instruction pointer values in the trace output. Only a minimal
set of values required for symbol resolution are affected by this
change. Beware that you will have to manually restore the original
values when you inspect them in lldb or etc.
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To apply -pie option to "ilasm, ildasm", mscorpe, unixcoreclrloader should be built with -fPIC option
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- Too many calls to arm_phdr_cb even though it get the same data.
- It caches an ARM_CB_DATA for libcoreclr.so, then reuse.
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The allocate_in_free code path in allocate_in_expanded_heap incorrectly calculated the large (double) alignment padding size when limiting the plug size (SHORT_PLUGS) if set_padding_on_saved_p was true:
set_padding_in_expand (old_loc, set_padding_on_saved_p, pinned_plug_entry); // Sets the padding flag on the saved plug
...
pad += switch_alignment_size (is_plug_padded (old_loc)); // Reads the padding flag from the old (different!) plug
That caused access violation during a later heap walk since the g_gc_pFreeObjectMethodTable pointer marking the gap was not placed at the right address.
Change-Id: I10a5fa443b3f5a614909983cd3c06d5420d22858
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Some commands of SOS validate a method table in DacValidateMethodTable.
In the function, it checks whether a method table is FreeObjectMethodTable or not with GetClass() value.
However, GetClass() should not be NULL. (There is an assert in GetClass())
In this patch, it compares pMT address with g_pFreeObjectMethodTable address only.
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glibc has deprecated sys/sysctl.h:
In file included from /coreclr/src/pal/src/misc/sysinfo.cpp:32:
/usr/include/sys/sysctl.h:21:2: error: "The <sys/sysctl.h> header is deprecated and will be removed." [-Werror,-W#warnings]
#warning "The <sys/sysctl.h> header is deprecated and will be removed."
^
1 error generated.
Fix that by preferring sysconf and only including sys/sysctl.h if
HAVE_SYSCONF is not true. This mirrors the order of the implementation
code in this file (sysinfo.cpp) which checks for HAVE_SYSCONF
before HAVE_SYSCTL.
Fixes #27008
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- Methods marked with AggressiveOptimization are not NGENed at all.
- The methods are compiled during the runtime with high JITC overhead.
- It makes launching time slower over 6% in our embedded systems.
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- After relocation, relocation section in zap image is not necessary.
- Mark the section as NotNeeded by giving advice(madvise with MADV_DONTNEED)
- It reduces 120~150KB PSS in tizen sample apps.
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Also ignore ptrace NT_FPREGSET failures for arm processes on aarch64
kernels. Fixes #25707.
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Change-Id: I48446ce7c8771a4c75149512bb7d8a8cb3fae8e5
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
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This commit implements wrappers that allow interception transitions
from managed to external unmanaged code (CIL -> native) and back
(native -> CIL). This allows enable/disable ASan during transitions.
Due to this, we sanitize only external code, which allows us to
achieve acceptable performance.
Change-Id: I53ecdc14d28f7210cd9e7f5bd4db0c8ef5ed81fc
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
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Parse ".dynamic" section (ELF dynamic array tags) of the module being
added, find ".rel(a).plt" section and search it for presence of
'__asan_init' symbol.
Change-Id: Ie7cc4c818b791b5f00713b42ba15131325b8152c
Signed-off-by: Andrey Drobyshev <a.drobyshev@samsung.com>
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This reverts commit a5339ba00e94b8cd0c85b67fa66944eabc4ec7ad.
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Now we use corerun to run corefx tests instead of dotnet, because last
one isn't available for Tizen/armel. So we need to skip dotnet specific
arguments, we patch corerun for it because Microsoft.DotNet.RemoteExecutor
tries to execute binary that it gets from /proc/self/maps, so we need a
binary that will behave like dotnet.
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This fix is to update usages of SetupGcCoverage() under
FEATURE_PREJIT aligned to the signature change in #25261.
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pCurrentContextPointers in REGDISPLAY can contain NULLs so we need to use
ebp value from pCurrentContext. This patch contains following changes:
- GetRegdisplayFP returns ebp from pCurrentContext
- GetRegdisplayFP is used instead of *GetEbpLocation()
- Set##reg##Location also updates register value in pCurrentContext
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Check for `lvLRACandidate` instead of `!lvDoNotEnregister` when checking whether `this` may be enregistered and has an Interval.
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NetcoreDBG depends from PAL functions.
Instead of SOS plugin, that use PAL static libs, debugger should be able
to operate with any runtime version and can't be statically linked to PAL.
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Fix patch fixes SIGBUG that occurs due to unaligned read/write
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* Fail to explicitly tail call on x86 unix.
* Correctly return 100
* Correct return value
* Add noway assert in morphTailCall to avoid morphing slow tail calls on unix.
* Address feedback
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- Profile information is collected by ibc logger.
Hower it is not used and saved into profile file.
- The patch disables IBC logger which is enabled by default.
- It disables IBC logger only with ibclogger.h file.
IBCLOGGER_ENABLED definition is only used in ibclogger files.
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- Even if DACCESS_COMPILE or CROSSGEN_COMPILE is defined,
coreclr can be built without IBCLOGGER_ENABLED definition.
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This is needed to save a minicoredump of .NET applications to allows
reconstruct managed stack by lldb and SOS plugin.
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There have been no -pie linker option.
This patch adds -pie linker option into crossgen(for tizen)
This originates from 0024-Add-pie-to-linker-option.patch
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Fix watson bucketing/broken triage dumps
The DAC EnumMemoryRegions needs to include some missing code version
manager memory.
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(#26423)
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In 3.0 we have fixed the formatting to use the abbreviated genitive month names when having "d" format specifier followed by "MMM". This fix is good as original formatting specs required but we needed to support the parsing when we have such genitive names.
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(#26366)
User may have extra expectations for the privatly owned array pools.
For example there could be an expectation that array never contains negative numbers (since user never puts them there). Uninitialized allocations can break such expectations.
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(#26356)
BinaryReader.ReadChars incorrectly read more than necessary from the underlying Stream when multi-byte characters straddled the read chunks.
Fixes https://github.com/dotnet/corefx/issues/40455
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* Add support for servicing (post-build.yml)
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As adding EnC methods happens on the Debugger Thread, there's no managed Thread object from which to obtain the cached StackingAllocator. Instead, just use a function-local StackingAllocator.
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Removed FEATURE_DATATARGET4 for arm64
Added SP check to createdump's native unwind loop to make it more robust.
Issue: https://github.com/dotnet/coreclr/issues/15062
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* Account for quoted values in provider filter string
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* Clean up diagnosticserver socket/pipe on shutdown
* Refactor dbg transport pipe cleanup to be registered as signal handler from the vm side
* cleanup dead code
* Remove more dead code and fix windows builds
* Moving some ifdefs around
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