summaryrefslogtreecommitdiffstats
path: root/src/core/arm/dynarmic/arm_dynarmic.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/arm/dynarmic/arm_dynarmic.cpp')
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic.cpp49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/core/arm/dynarmic/arm_dynarmic.cpp b/src/core/arm/dynarmic/arm_dynarmic.cpp
new file mode 100644
index 000000000..e6e9fc45b
--- /dev/null
+++ b/src/core/arm/dynarmic/arm_dynarmic.cpp
@@ -0,0 +1,49 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#ifdef __linux__
+
+#include "common/signal_chain.h"
+
+#include "core/arm/dynarmic/arm_dynarmic.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/memory.h"
+
+namespace Core {
+
+namespace {
+
+thread_local Core::Memory::Memory* g_current_memory{};
+std::once_flag g_registered{};
+struct sigaction g_old_segv {};
+
+void HandleSigSegv(int sig, siginfo_t* info, void* ctx) {
+ if (g_current_memory && g_current_memory->InvalidateSeparateHeap(info->si_addr)) {
+ return;
+ }
+
+ return g_old_segv.sa_sigaction(sig, info, ctx);
+}
+
+} // namespace
+
+ScopedJitExecution::ScopedJitExecution(Kernel::KProcess* process) {
+ g_current_memory = std::addressof(process->GetMemory());
+}
+
+ScopedJitExecution::~ScopedJitExecution() {
+ g_current_memory = nullptr;
+}
+
+void ScopedJitExecution::RegisterHandler() {
+ std::call_once(g_registered, [] {
+ struct sigaction sa {};
+ sa.sa_sigaction = &HandleSigSegv;
+ sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
+ Common::SigAction(SIGSEGV, std::addressof(sa), std::addressof(g_old_segv));
+ });
+}
+
+} // namespace Core
+
+#endif