From 84e8cd6dbc00b4979e8d1c15c80d91987aeb3417 Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 10 Jul 2006 04:44:55 -0700 Subject: [PATCH] FRV: Introduce asm-offsets for FRV arch Introduce the use of asm-offsets into the FRV architecture. Signed-off-by: David Howells Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-frv/gdb-stub.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'include/asm-frv/gdb-stub.h') diff --git a/include/asm-frv/gdb-stub.h b/include/asm-frv/gdb-stub.h index c58479a4be99..24f9738670bd 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 */ -- cgit v1.2.3