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-rw-r--r--gdb/gdbarch.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index 9678f4f..db40c66 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -283,9 +283,29 @@ extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed);
#define TARGET_CHAR_SIGNED (gdbarch_char_signed (current_gdbarch))
#endif
+#if defined (TARGET_READ_PC)
+/* Legacy for systems yet to multi-arch TARGET_READ_PC */
+#if !defined (TARGET_READ_PC_P)
+#define TARGET_READ_PC_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_PC_P)
+#define TARGET_READ_PC_P() (0)
+#endif
+
+extern int gdbarch_read_pc_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_READ_PC_P)
+#error "Non multi-arch definition of TARGET_READ_PC"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_READ_PC_P)
+#define TARGET_READ_PC_P() (gdbarch_read_pc_p (current_gdbarch))
+#endif
+
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_PC)
-#define TARGET_READ_PC(ptid) (generic_target_read_pc (ptid))
+#define TARGET_READ_PC(ptid) (internal_error (__FILE__, __LINE__, "TARGET_READ_PC"), 0)
#endif
typedef CORE_ADDR (gdbarch_read_pc_ftype) (ptid_t ptid);