1 /* SPU target-dependent code for GDB, the GNU debugger.
2 Copyright (C) 2006, 2007, 2008, 2009 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/>. */
22 /* Number of registers. */
23 #define SPU_NUM_REGS 130
24 #define SPU_NUM_PSEUDO_REGS 6
25 #define SPU_NUM_GPRS 128
27 /* Register numbers of various important registers. */
30 /* SPU calling convention. */
31 SPU_LR_REGNUM = 0, /* Link register. */
32 SPU_RAW_SP_REGNUM = 1, /* Stack pointer (full register). */
33 SPU_ARG1_REGNUM = 3, /* First argument register. */
34 SPU_ARGN_REGNUM = 74, /* Last argument register. */
35 SPU_SAVED1_REGNUM = 80, /* First call-saved register. */
36 SPU_SAVEDN_REGNUM = 127, /* Last call-saved register. */
37 SPU_FP_REGNUM = 127, /* Frame pointer. */
39 /* Special registers. */
40 SPU_ID_REGNUM = 128, /* SPU ID register. */
41 SPU_PC_REGNUM = 129, /* Next program counter. */
42 SPU_SP_REGNUM = 130, /* Stack pointer (preferred slot). */
43 SPU_FPSCR_REGNUM = 131, /* Floating point status/control register. */
44 SPU_SRR0_REGNUM = 132, /* SRR0 register. */
45 SPU_LSLR_REGNUM = 133, /* Local store limit register. */
46 SPU_DECR_REGNUM = 134, /* Decrementer value. */
47 SPU_DECR_STATUS_REGNUM = 135 /* Decrementer status. */
51 #define SPU_LS_SIZE 0x40000
53 /* Address conversions. */
54 #define SPUADDR(spu, addr) \
55 ((spu) != -1? (ULONGEST)1 << 63 | (ULONGEST)(spu) << 32 | (addr) : (addr))
56 #define SPUADDR_SPU(addr) \
57 (((addr) & (ULONGEST)1 << 63) \
58 ? (int) ((ULONGEST)(addr) >> 32 & 0x7fffffff) \
60 #define SPUADDR_ADDR(addr) \
61 (((addr) & (ULONGEST)1 << 63)? (ULONGEST)(addr) & 0xffffffff : (addr))