1 files changed, 29 insertions, 0 deletions
diff --git a/linux-user/include/host/x86_64/host-signal.h b/linux-user/include/host/x86_64/host-signal.h
new file mode 100644
index 0000000..c71d597
--- /dev/null
+++ b/linux-user/include/host/x86_64/host-signal.h
@@ -0,0 +1,29 @@
+/*
+ * host-signal.h: signal info dependent on the host architecture
+ *
+ * Copyright (C) 2021 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef X86_64_HOST_SIGNAL_H
+#define X86_64_HOST_SIGNAL_H
+
+static inline uintptr_t host_signal_pc(ucontext_t *uc)
+{
+    return uc->uc_mcontext.gregs[REG_RIP];
+}
+
+static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc)
+{
+    uc->uc_mcontext.gregs[REG_RIP] = pc;
+}
+
+static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
+{
+    return uc->uc_mcontext.gregs[REG_TRAPNO] == 0xe
+        && (uc->uc_mcontext.gregs[REG_ERR] & 0x2);
+}
+
+#endif