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--- v8/src/libsampler/sampler.cc.orig 2025-06-30 07:04:30 UTC
+++ v8/src/libsampler/sampler.cc
@@ -527,6 +527,16 @@ void SignalHandler::FillRegisterState(void* context, R
state->pc = reinterpret_cast<void*>(mcontext.__gregs[_REG_PC]);
state->sp = reinterpret_cast<void*>(mcontext.__gregs[_REG_SP]);
state->fp = reinterpret_cast<void*>(mcontext.__gregs[_REG_FP]);
+#elif V8_HOST_ARCH_ARM64
+#ifdef __CHERI_PURE_CAPABILITY__
+ state->pc = reinterpret_cast<void*>(mcontext.mc_capregs.cap_elr);
+ state->sp = reinterpret_cast<void*>(mcontext.mc_capregs.cap_sp);
+ state->fp = reinterpret_cast<void*>(mcontext.mc_capregs.cap_x[29]);
+#else // !__CHERI_PURE_CAPABILITY__
+ state->pc = reinterpret_cast<void*>(mcontext.mc_gpregs.gp_elr);
+ state->sp = reinterpret_cast<void*>(mcontext.mc_gpregs.gp_sp);
+ state->fp = reinterpret_cast<void*>(mcontext.mc_gpregs.gp_x[29]);
+#endif // __CHERI_PURE_CAPABILITY__
#endif // V8_HOST_ARCH_*
#elif V8_OS_NETBSD
#if V8_HOST_ARCH_IA32
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