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-rw-r--r--gdb/gdbarch.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index e9895cf..778d7a3 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -2331,6 +2331,31 @@ extern void set_gdbarch_deprecated_saved_pc_after_call (struct gdbarch *gdbarch,
#define DEPRECATED_SAVED_PC_AFTER_CALL(frame) (gdbarch_deprecated_saved_pc_after_call (current_gdbarch, frame))
#endif
+#if defined (FRAME_NUM_ARGS)
+/* Legacy for systems yet to multi-arch FRAME_NUM_ARGS */
+#if !defined (FRAME_NUM_ARGS_P)
+#define FRAME_NUM_ARGS_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (FRAME_NUM_ARGS_P)
+#define FRAME_NUM_ARGS_P() (0)
+#endif
+
+extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_NUM_ARGS_P)
+#error "Non multi-arch definition of FRAME_NUM_ARGS"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_NUM_ARGS_P)
+#define FRAME_NUM_ARGS_P() (gdbarch_frame_num_args_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (FRAME_NUM_ARGS)
+#define FRAME_NUM_ARGS(frame) (internal_error (__FILE__, __LINE__, "FRAME_NUM_ARGS"), 0)
+#endif
+
typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame);
extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame);
extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args);