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--- v8/src/base/platform/platform-openbsd.cc.orig 2023-05-25 00:46:26 UTC
+++ v8/src/base/platform/platform-openbsd.cc
@@ -6,6 +6,7 @@
// POSIX-compatible parts, the implementation is in platform-posix.cc.
#include <pthread.h>
+#include <pthread_np.h>
#include <semaphore.h>
#include <signal.h>
#include <stdlib.h>
@@ -121,6 +122,17 @@ void OS::SignalCodeMovingGC() {
}
void OS::AdjustSchedulingParams() {}
+
+// static
+Stack::StackSlot Stack::ObtainCurrentThreadStackStart() {
+ stack_t ss;
+ void *base;
+ if (pthread_stackseg_np(pthread_self(), &ss) != 0)
+ return nullptr;
+
+ base = (void*)((size_t) ss.ss_sp - ss.ss_size);
+ return reinterpret_cast<uint8_t*>(base) + ss.ss_size;
+}
std::vector<OS::MemoryRange> OS::GetFreeMemoryRangesWithin(
OS::Address boundary_start, OS::Address boundary_end, size_t minimum_size,
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