| Commit message (Collapse) | Author | Age | Files | Lines |
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Fixes a bug encountered in RC2 validation.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@288513 91177308-0d34-0410-b5e6-96231b3b80d8
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builtins: repair the builtins build with clang 3.8
When the C unwinding personality was corrected to match the ARM EHABI
specification, the unwind header in clang was updated with necessary
declarations. However, when building with an older compiler, we would not have
the necessary declarations. This would result in a build failure. Provide a
supplementary header to ensure that the necessary declarations are present for
the build of the C unwinding personality.
Note that this is NOT an ABI break. It merely is a compile time failure due to
the constants not being present. The constants here are reproduced
equivalently. This header should permit building with clang[<3.9] as well as
gcc.
Addresses PR31035!
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@287441 91177308-0d34-0410-b5e6-96231b3b80d8
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------------------------------------------------------------------------
r279352 | eugenis | 2016-08-19 17:38:55 -0700 (Fri, 19 Aug 2016) | 1 line
[msan] Disable prlimit test on glibc < 2.13.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@279471 91177308-0d34-0410-b5e6-96231b3b80d8
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------------------------------------------------------------------------
r278454 | cbieneman | 2016-08-11 18:29:26 -0700 (Thu, 11 Aug 2016) | 3 lines
[CMake] If the compiler supports _Atomic include atomic.c in builtins libraries
This fixes a long-standing TODO by implementing a compiler check for supporting the _Atomic keyword. If the _Atomic keyword is supported by the compiler we should include it in the builtin library sources.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@278679 91177308-0d34-0410-b5e6-96231b3b80d8
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The test is gated on OS version, but actually depends on what SDK
is used, see PR28743. Deleting to unblock 3.9.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@278427 91177308-0d34-0410-b5e6-96231b3b80d8
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------------------------------------------------------------------------
r277300 | dim | 2016-07-31 22:16:59 +0200 (Sun, 31 Jul 2016) | 5 lines
Fix ASan alloca_constant_size.cc test on FreeBSD.
On FreeBSD <alloca.h> does not exist: alloca(3) is defined in <stdlib.h>
instead.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@277424 91177308-0d34-0410-b5e6-96231b3b80d8
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------------------------------------------------------------------------
r277297 | dim | 2016-07-31 21:27:46 +0200 (Sun, 31 Jul 2016) | 21 lines
XFAIL one sanitizer symbolizer test for FreeBSD
Summary:
Due to a QoI issuse in FreeBSD's libcxxrt-based demangler, one sanitizer
symbolizer test consistently appears to fail:
Value of: DemangleSwiftAndCXX("foo")
Actual: "float"
Expected: "foo"
This is because libcxxrt's __cxa_demangle() incorrectly demangles the "foo"
identifier to "float". It should return an error instead.
For now, XFAIL this particular test for FreeBSD, until we can fix libcxxrt
properly (which might take some time to coordinate with upstream).
Reviewers: rnk, zaks.anna, emaste
Subscribers: emaste, llvm-commits, kubabrecka
Differential Revision: https://reviews.llvm.org/D23001
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@277423 91177308-0d34-0410-b5e6-96231b3b80d8
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------------------------------------------------------------------------
r275946 | bruening | 2016-07-18 22:03:38 -0700 (Mon, 18 Jul 2016) | 5 lines
[esan] Fix sideline thread flaky assert
Fixes an esan sideline thread CHECK that failed to account for the sideline
thread reaching its code before the internal_clone() return value was
assigned in the parent.
------------------------------------------------------------------------
------------------------------------------------------------------------
r275948 | bruening | 2016-07-18 22:06:48 -0700 (Mon, 18 Jul 2016) | 4 lines
[esan|wset] Fix flaky sampling tests
Adds a new esan public interface routine __esan_get_sample_count() and uses
it to ensure that tests of sampling receive the minimum number of samples.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@276114 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_39@275831 91177308-0d34-0410-b5e6-96231b3b80d8
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It is breaking build 32-bit build bots.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275816 91177308-0d34-0410-b5e6-96231b3b80d8
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.. into reusable interfaces. No functional change is expected.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275807 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch adds 48-bits VMA support for asan on aarch64. The current
47-bit mask is not suffice since on aarch64 kernel with 48-bit vma
(default on ubuntu 16.04) the process may use full VMA range as:
[...]
ffffa39a7000-ffffa39a8000 r--p 00000000 00:00 0 [vvar]
ffffa39a8000-ffffa39a9000 r-xp 00000000 00:00 0 [vdso]
ffffa39a9000-ffffa39aa000 r--p 0001c000 08:02 13631554 /lib/aarch64-linux-gnu/ld-2.23.so
ffffa39aa000-ffffa39ac000 rw-p 0001d000 08:02 13631554 /lib/aarch64-linux-gnu/ld-2.23.so
ffffc2227000-ffffc2248000 rw-p 00000000 00:00 0 [stack]
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275792 91177308-0d34-0410-b5e6-96231b3b80d8
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Reviewers: dsanders
Subscribers: slthakur, jaydeep, llvm-commits, Sanitizers
Differential Revision: https://reviews.llvm.org/D22453
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275780 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Aiming to resolve failure in sanitizer bot by changning all asm directives to __asm__.
Also, consistency.
Reviewers: llvm-commits, echristo, vitalybuka
Subscribers: mehdi_amini
Differential Revision: https://reviews.llvm.org/D22446
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275740 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275644 91177308-0d34-0410-b5e6-96231b3b80d8
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(obligatory s/typeo/typo)
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275632 91177308-0d34-0410-b5e6-96231b3b80d8
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strcasecmp, strstr, strcasestr, memmem
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275621 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275597 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This is adding the appropriate suport for exception handling for
64-bits ASAN on windows.
Reviewers: rnk
Subscribers: kubabrecka, llvm-commits, wang0109, chrisha
Differential Revision: https://reviews.llvm.org/D22395
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275585 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Indirect load are relative offset from RIP.
The current trampoline implementation is incorrectly
copying these instructions which make some unittests
crashing.
This patch is not fixing the unittests but it's fixing
the crashes. The functions are no longer hooked.
Patches will come soon to fix these unittests.
Reviewers: rnk
Subscribers: llvm-commits, wang0109, chrisha
Differential Revision: https://reviews.llvm.org/D22410
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275584 91177308-0d34-0410-b5e6-96231b3b80d8
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c:\lipo\work\asan\b_llvm>c:\lipo\work\asan\b_llvm\projects\compiler-rt\test\asan\X86_64WindowsConfig\TestCases\Output\null_deref.cc.tmp
=================================================================
==5488==ERROR: AddressSanitizer: access-violation on unknown address 0x000000000028 (pc 0x7ff701f91067 bp 0x000c8cf8fbf0 sp 0x000c8cf8fbb0 T0)
==5488==The signal is caused by a READ memory access.
==5488==Hint: address points to the zero page.
#0 0x7ff701f91066 in NullDeref(int *) C:\lipo\work\asan\llvm\projects\compiler-rt\test\asan\TestCases\null_deref.cc:15:10
#1 0x8a0388830a67 (<unknown module>)
The reason was symbols was not initilized. In fact, it was first inited
with a call to stack.Print(), which calls
WinSymbolizerTool::SymbolizePC, then InitializeDbgHelpIfNeeded().
Since the StackWalk was performed before the stack.Print(), stack frames
where not gathered correctly.
There should be a better place to initialize symbols. For now, this
patch makes the test happy.
Patch by Wei Wang
Differential Revision: https://reviews.llvm.org/D22410
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275580 91177308-0d34-0410-b5e6-96231b3b80d8
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It seems in some situations we have clashes on very first error so test only prints "nested bug in the same thread, aborting" rather than "use-after-poison", so remove corresponding " RUN: FileCheck %s < 10.txt" line.
Also, the two last " RUN: FileCheck --check-prefix=CHECK-COLLISION %s < 1.txt || FileCheck --check-prefix=CHECK-NO-COLLISION %s < 1.txt" look wrong, they should check 10.txt. Fix these lines too.
Differential Revision: https://reviews.llvm.org/D22309
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275539 91177308-0d34-0410-b5e6-96231b3b80d8
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There is not enough padding in front of memchr(), and, the first 6 bytes
contains a branch instruction. Basically the current interception will
not work on memchr().
It was disabled before, but was missing the part to disable it for
INTERCEPT_LIBRARY_FUNCTION.
Patch by Wei Wang
Differential Revision: https://reviews.llvm.org/D22371
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275494 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275492 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Both test have the same command-line.
The second test is missing the /GS-.
Keep in mind that /GS is on by default.
Reviewers: rnk
Subscribers: llvm-commits, wang0109, kubabrecka, chrisha
Differential Revision: https://reviews.llvm.org/D22339
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275491 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
These patterns are encounter when using instrumented DLL.
Without this patch, asan lit test are crashing when trying to hook
on RaiseException function.
Reviewers: rnk
Subscribers: llvm-commits, wang0109, chrisha
Differential Revision: https://reviews.llvm.org/D22340
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275489 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
The function wcslen is incorrectly hooked on windows 64-bits.
The interception library is not able to hook without breaking the code.
The function is too small and the interception must be done with
trampoline-hooking which turned out to be incorrect on a small
loop (first few instructions have a backedge).
Reviewers: rnk
Subscribers: wang0109, chrisha, llvm-commits, kubabrecka
Differential Revision: https://reviews.llvm.org/D22363
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275488 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary: Fix missing frame with stackwalking on windows 64-bits
Reviewers: rnk
Subscribers: llvm-commits, wang0109, kubabrecka, chrisha
Differential Revision: https://reviews.llvm.org/D22358
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275486 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This aims to add support for __cpu_model and address Bug 25510. It uses
the code from lib/Support/Host.cpp for cpu detection, and creates
__cpu_model with that info.
Tested on OSX and built on Linux as well (though libgcc is the default).
The use of "asm" required -std=gnu99, hence the cmake change. Corrections
on better addressing this are welcome.
Previously reverted, up for review again to iron out outstanding issues.
Reviewers: llvm-commits, joerg, echristo, mehdi_amini
Subscribers: mehdi_amini
Differential Revision: http://reviews.llvm.org/D22181
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275484 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
When test was added we had no -fsanitize-address-use-after-scope in clang
so we had to use -mllvm -asan-use-after-scope=1.
Reviewers: eugenis
Subscribers: kubabrecka
Differential Revision: https://reviews.llvm.org/D22382
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275475 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275409 91177308-0d34-0410-b5e6-96231b3b80d8
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Use unified syntax for builtins/arm/aeabi_mem*.S.
This makes these files consistent with the others.
This fixes a problem on the linker, which can fail with the message
"relocation truncated to fit: R_ARM_THM_JUMP11 against symbol"
Patch by Kor Nielsen.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275264 91177308-0d34-0410-b5e6-96231b3b80d8
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The thread registry test was failing to allocate 25 threads with stack
size 134MB, which is pretty reasonable.
Also print the error code in our pthread wrappers in case this happens
again.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275209 91177308-0d34-0410-b5e6-96231b3b80d8
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mov edi,edi is _not_ NOP in 64-bit, use 66,90h instead.
This bug was causing interception unittest to crash on
Windows64 (windows 8 and windows 10).
Credits to etienneb for finding the root cause.
Patch by: Wei Wang
Differential Revision: http://reviews.llvm.org/D22274
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275207 91177308-0d34-0410-b5e6-96231b3b80d8
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being deadlocked.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275182 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
The unittest is not working on windows. The "regexp.h" is not available and
gtest-port won't support regexp with operator '|'.
The test wasn't failing on 32-bits because of this check:
```
if (SANITIZER_WORDSIZE != 64 || ASAN_AVOID_EXPENSIVE_TESTS) return;
```
```
[ RUN ] AddressSanitizer.HugeMallocTest
C:/src/llvm/llvm/utils/unittest/googletest\src/gtest-port.cc(272): error: Failed
Syntax error at index 30 in simple regular expression "is located 1 bytes to the left|AddressSanitizer failed to allocate": '|' is unsupported.
C:/src/llvm/llvm/projects/compiler-rt/lib/asan/tests/asan_test.cc(308): error: Death test: Ident((char*)malloc(n_megs << 20))[-1] = 0
Result: died but not with expected error.
Expected: is located 1 bytes to the left|AddressSanitizer failed to allocate
```
See gtest-port.h:
```
#elif GTEST_OS_WINDOWS
// <regex.h> is not available on Windows. Use our own simple regex
// implementation instead.
# define GTEST_USES_SIMPLE_RE 1
```
Reviewers: rnk
Subscribers: llvm-commits, wang0109, kubabrecka, chrisha
Differential Revision: http://reviews.llvm.org/D22257
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275181 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Many CRT (64-bits) functions contains a "hint-nop". The current padding
detection is not able to recognize the 10-bytes padding and the HotPatch
hooking technique cannot be used.
Other patterns may be discover and may be added later.
Reviewers: rnk
Subscribers: llvm-commits, wang0109, chrisha
Differential Revision: http://reviews.llvm.org/D22258
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275180 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275136 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275124 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This is a cleanup and refactoring of the interception code on windows
Enhancement:
* Adding the support for 64-bits code
* Adding several hooking technique:
* Detour
* JumpRedirect
* HotPatch
* Trampoline
* Adding a trampoline memory pool (64-bits) and release the allocated memory in unittests
Cleanup:
* Adding unittests for 64-bits hooking techniques
* Enhancing the RoundUpInstruction by sharing common decoder
Reviewers: rnk
Subscribers: llvm-commits, wang0109, chrisha
Differential Revision: http://reviews.llvm.org/D22111
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275123 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275112 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This patch is a refactoring of the way cmake 'targets' are grouped.
It won't affect non-UI cmake-generators.
Clang/LLVM are using a structured way to group targets which ease
navigation through Visual Studio UI. The Compiler-RT projects
differ from the way Clang/LLVM are grouping targets.
This patch doesn't contain behavior changes.
Reviewers: kubabrecka, rnk
Subscribers: wang0109, llvm-commits, kubabrecka, chrisha
Differential Revision: http://reviews.llvm.org/D21952
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275111 91177308-0d34-0410-b5e6-96231b3b80d8
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Memory will be committed on demand when exception happens while accessing
shadow memeory region.
Patch by: Wei Wang
Differential Revision: http://reviews.llvm.org/D21942
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275107 91177308-0d34-0410-b5e6-96231b3b80d8
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[asan] Fix unittest Asan-x86_64-inline-Test crashing on Windows64
REAL(memcpy) was used in several places in Asan, while REAL(memmove) was not used.
This CL chooses to patch memcpy() first, solving the crash for unittest.
The crash looks like this:
projects\compiler-rt\lib\asan\tests\default\Asan-x86_64-inline-Test.exe
=================================================================
==22680==ERROR: AddressSanitizer: access-violation on unknown address 0x000000000000 (pc 0x000000000000 bp 0x0029d555f590 sp 0x0029d555f438 T0)
==22680==Hint: pc points to the zero page.
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: access-violation (<unknown module>)
==22680==ABORTING
Patch by: Wei Wang
Differential Revision: http://reviews.llvm.org/D22232
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275098 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch adds interceptors for dispatch_io_*, dispatch_read and dispatch_write functions. This avoids false positives when using GCD IO. Adding several test cases.
Differential Revision: http://reviews.llvm.org/D21889
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275071 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@275023 91177308-0d34-0410-b5e6-96231b3b80d8
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These test in this change are objc++, but are built using %clang, not %clangxx.
The reason this works is the driver has been adding -lc++ for sanitizer enabled
builds. By making these tests use %clangxx, they no longer depend on the driver
linking to c++. Doing so will allow us to prevent overlinking of libc++ for
applications.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274989 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Adds a new public interface routine __esan_report() which can be used to
request profiling results prior to abnormal termination (e.g., for a server
process killed by its parent where the normal exit does not allow for
normal result reporting).
Implements this for the working-set tool. The cache frag tool is left
unimplemented as it requires missing iteration capabilities.
Adds a new test.
Reviewers: aizatsky
Subscribers: vitalybuka, zhaoqin, kcc, eugenis, llvm-commits, kubabrecka
Differential Revision: http://reviews.llvm.org/D22098
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274964 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts commit r274873 until additional fixes are resolved.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274944 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This aims to add support for __cpu_model and address Bug 25510. It uses
the code from lib/Support/Host.cpp for cpu detection, and creates
__cpu_model with that info.
Tested on OSX, it builts successfully, but the current version does
*not* resolve Bug 25510. The __cpu_model symbol is present in the
library but it only gets loaded with -all_load. This patch will not land
until this issue is clarified.
Built on Linux as well (though libgcc is the default). The use of "asm"
required -std=gnu99, hence the cmake change. Corrections on better
addressing this are welcome.
Note: See additional comments on D20988 (committed as r271921).
Reviewers: llvm-commits, joerg, echristo, mehdi_amini
Subscribers: mehdi_amini
Differential revision: http://reviews.llvm.org/D21033
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@274873 91177308-0d34-0410-b5e6-96231b3b80d8
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