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Export of internal Abseil changes

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93dd18f415e54697965c56760612b4ff6c9d15d2 by Derek Mauro <dmauro@google.com>:

Implement Bazel's --distdir flag avoid a dependency on GitHub being up.
Move the Docker container identifiers to a common file.

PiperOrigin-RevId: 302045549

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7b462d31139e3153462cd20ae63b161ac749e839 by Derek Mauro <dmauro@google.com>:

Fix an unused variable warning in optional.h

PiperOrigin-RevId: 301810782

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6b533ba9170eed065aec69e48ebab3279fcb3e09 by Abseil Team <absl-team@google.com>:

Disable ASan and MSan instrumentation for AArch64 stack unwind functions. They read random locations on the stack and might step on sanitizer's redzones.

PiperOrigin-RevId: 301674204
GitOrigin-RevId: 93dd18f415e54697965c56760612b4ff6c9d15d2
Change-Id: I2d84d66b054f90b851fb3a968679f112dfe84636
This commit is contained in:
Abseil Team 2020-03-20 09:47:42 -07:00 • committed by vslashg
parent 2d2a8aea29
commit 092ed9793a
12 changed files with 97 additions and 11 deletions
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4
absl/debugging/internal/stacktrace_aarch64-inl.inc
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@ -74,6 +74,8 @@ static inline uintptr_t ComputeStackFrameSize(const T* low,
// checks (the strictness of which is controlled by the boolean parameter
// "STRICT_UNWINDING") to reduce the chance that a bad pointer is returned.
template<bool STRICT_UNWINDING, bool WITH_CONTEXT>
ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS // May read random elements from stack.
ABSL_ATTRIBUTE_NO_SANITIZE_MEMORY // May read random elements from stack.
static void **NextStackFrame(void **old_frame_pointer, const void *uc) {
void **new_frame_pointer = reinterpret_cast<void**>(*old_frame_pointer);
bool check_frame_size = true;
@ -123,6 +125,8 @@ static void **NextStackFrame(void **old_frame_pointer, const void *uc) {
}
template <bool IS_STACK_FRAMES, bool IS_WITH_CONTEXT>
ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS // May read random elements from stack.
ABSL_ATTRIBUTE_NO_SANITIZE_MEMORY // May read random elements from stack.
static int UnwindImpl(void** result, int* sizes, int max_depth, int skip_count,
const void *ucp, int *min_dropped_frames) {
#ifdef __GNUC__