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merge(3p/abseil_cpp): Merge upstream at 'ccdbb5941'

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Change-Id: I6e85fc7b5f76bba1f1eef15e600a8acb64e97ef5
This commit is contained in:
Vincent Ambo 2020-06-17 14:53:11 +01:00
commit 543379ce45
97 changed files with 3546 additions and 2316 deletions
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30
third_party/abseil_cpp/absl/debugging/internal/examine_stack.cc vendored
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@ -20,6 +20,10 @@
#include <unistd.h>
#endif
#ifdef __APPLE__
#include <sys/ucontext.h>
#endif
#include <csignal>
#include <cstdio>
@ -64,6 +68,32 @@ void* GetProgramCounter(void* vuc) {
return reinterpret_cast<void*>(context->uc_mcontext.gregs[16]);
#else
#error "Undefined Architecture."
#endif
}
#elif defined(__APPLE__)
if (vuc != nullptr) {
ucontext_t* signal_ucontext = reinterpret_cast<ucontext_t*>(vuc);
#if defined(__aarch64__)
return reinterpret_cast<void*>(
__darwin_arm_thread_state64_get_pc(signal_ucontext->uc_mcontext->__ss));
#elif defined(__arm__)
#if __DARWIN_UNIX03
return reinterpret_cast<void*>(signal_ucontext->uc_mcontext->__ss.__pc);
#else
return reinterpret_cast<void*>(signal_ucontext->uc_mcontext->ss.pc);
#endif
#elif defined(__i386__)
#if __DARWIN_UNIX03
return reinterpret_cast<void*>(signal_ucontext->uc_mcontext->__ss.__eip);
#else
return reinterpret_cast<void*>(signal_ucontext->uc_mcontext->ss.eip);
#endif
#elif defined(__x86_64__)
#if __DARWIN_UNIX03
return reinterpret_cast<void*>(signal_ucontext->uc_mcontext->__ss.__rip);
#else
return reinterpret_cast<void*>(signal_ucontext->uc_mcontext->ss.rip);
#endif
#endif
}
#elif defined(__akaros__)