1 /* GNU/Linux/m32r specific low level interface, for the remote server for GDB.
2 Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 #include "linux-low.h"
26 #define m32r_num_regs 25
28 static int m32r_regmap[] = {
30 PT_R0, PT_R1, PT_R2, PT_R3, PT_R4, PT_R5, PT_R6, PT_R7,
31 PT_R8, PT_R9, PT_R10, PT_R11, PT_R12, PT_FP, PT_LR, PT_SPU,
32 PT_PSW, PT_CBR, PT_SPI, PT_SPU, PT_BPC, PT_PC, PT_ACCL, PT_ACCH, PT_EVB
34 4 * 4, 4 * 5, 4 * 6, 4 * 7, 4 * 0, 4 * 1, 4 * 2, 4 * 8,
35 4 * 9, 4 * 10, 4 * 11, 4 * 12, 4 * 13, 4 * 24, 4 * 25, 4 * 23,
36 4 * 19, 4 * 31, 4 * 26, 4 * 23, 4 * 20, 4 * 30, 4 * 16, 4 * 15, 4 * 32
41 m32r_cannot_store_register (int regno)
43 return (regno >= m32r_num_regs);
47 m32r_cannot_fetch_register (int regno)
49 return (regno >= m32r_num_regs);
56 collect_register_by_name ("pc", &pc);
61 m32r_set_pc (CORE_ADDR pc)
63 unsigned long newpc = pc;
64 supply_register_by_name ("pc", &newpc);
67 static const unsigned short m32r_breakpoint = 0x10f1;
68 #define m32r_breakpoint_len 2
71 m32r_breakpoint_at (CORE_ADDR where)
75 (*the_target->read_memory) (where, (unsigned char *) &insn,
77 if (insn == m32r_breakpoint)
80 /* If necessary, recognize more trap instructions here. GDB only uses the
85 struct linux_target_ops the_low_target = {
88 m32r_cannot_fetch_register,
89 m32r_cannot_store_register,
92 (const unsigned char *) &m32r_breakpoint,