accel/tcg: Split out getpc.h

Split out GETPC to a target-independent header.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250308072348.65723-3-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

include/accel/tcg/getpc.h

@@ -0,0 +1,24 @@
+/*
+ * Get host pc for helper unwinding.
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#ifndef ACCEL_TCG_GETPC_H
+#define ACCEL_TCG_GETPC_H
+
+#ifndef CONFIG_TCG
+#error Can only include this header with TCG
+#endif
+
+/* GETPC is the true target of the return instruction that we'll execute.  */
+#ifdef CONFIG_TCG_INTERPRETER
+extern __thread uintptr_t tci_tb_ptr;
+# define GETPC() tci_tb_ptr
+#else
+# define GETPC() \
+    ((uintptr_t)__builtin_extract_return_addr(__builtin_return_address(0)))
+#endif
+
+#endif /* ACCEL_TCG_GETPC_H */

include/exec/exec-all.h

@@ -28,6 +28,7 @@
 #include "exec/translation-block.h"
 
 #if defined(CONFIG_TCG)
+#include "accel/tcg/getpc.h"
 
 /**
  * probe_access:
@@ -177,15 +178,6 @@ void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr);
 void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t last);
 void tb_set_jmp_target(TranslationBlock *tb, int n, uintptr_t addr);
 
-/* GETPC is the true target of the return instruction that we'll execute.  */
-#if defined(CONFIG_TCG_INTERPRETER)
-extern __thread uintptr_t tci_tb_ptr;
-# define GETPC() tci_tb_ptr
-#else
-# define GETPC() \
-    ((uintptr_t)__builtin_extract_return_addr(__builtin_return_address(0)))
-#endif
-
 #if !defined(CONFIG_USER_ONLY)
 
 /**