4 * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #ifndef __ARC_KGDB_H__
12 #define __ARC_KGDB_H__
16 #include <asm/ptrace.h>
18 /* to ensure compatibility with Linux 2.6.35, we don't implement the get/set
20 #undef DBG_MAX_REG_NUM
22 #define GDB_MAX_REGS 87
24 #define BREAK_INSTR_SIZE 2
25 #define CACHE_FLUSH_IS_SAFE 1
26 #define NUMREGBYTES (GDB_MAX_REGS * 4)
29 static inline void arch_kgdb_breakpoint(void)
31 __asm__ __volatile__ ("trap_s 0x4\n");
34 extern void kgdb_trap(struct pt_regs *regs);
36 /* This is the numbering of registers according to the GDB. See GDB's
37 * arc-tdep.h for details.
39 * Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */
40 enum arc_linux_regnums {
42 _R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13,
43 _R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24,
60 #define kgdb_trap(regs)
63 #endif /* __ARC_KGDB_H__ */