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-rw-r--r--include/asm-frv/gdb-stub.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-frv/gdb-stub.h b/include/asm-frv/gdb-stub.h
index c58479a..24f9738 100644
--- a/include/asm-frv/gdb-stub.h
+++ b/include/asm-frv/gdb-stub.h
@@ -89,6 +89,7 @@ extern void gdbstub_do_rx(void);
extern asmlinkage void __debug_stub_init_break(void);
extern asmlinkage void __break_hijack_kernel_event(void);
+extern asmlinkage void __break_hijack_kernel_event_breaks_here(void);
extern asmlinkage void start_kernel(void);
extern asmlinkage void gdbstub_rx_handler(void);
@@ -114,5 +115,26 @@ extern void console_set_baud(unsigned baud);
#define gdbstub_proto(FMT,...) ({ 0; })
#endif
+/*
+ * we dedicate GR31 to keeping a pointer to the gdbstub exception frame
+ * - gr31 is destroyed on entry to the gdbstub if !MMU
+ * - gr31 is saved in scr3 on entry to the gdbstub if in !MMU
+ */
+register struct frv_frame0 *__debug_frame0 asm("gr31");
+
+#define __debug_frame (&__debug_frame0->regs)
+#define __debug_user_context (&__debug_frame0->uc)
+#define __debug_regs (&__debug_frame0->debug)
+#define __debug_reg(X) ((unsigned long *) ((unsigned long) &__debug_frame0 + (X)))
+
+struct frv_debug_status {
+ unsigned long bpsr;
+ unsigned long dcr;
+ unsigned long brr;
+ unsigned long nmar;
+};
+
+extern struct frv_debug_status __debug_status;
+
#endif /* _LANGUAGE_ASSEMBLY */
#endif /* __ASM_GDB_STUB_H */
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