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[deliverable/binutils-gdb.git] / gdb / config / mips / nm-riscos.h
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c906108c 1/* This program is free software; you can redistribute it and/or modify
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2 it under the terms of the GNU General Public License as published by
3 the Free Software Foundation; either version 2 of the License, or
4 (at your option) any later version.
c906108c 5
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6 This program is distributed in the hope that it will be useful,
7 but WITHOUT ANY WARRANTY; without even the implied warranty of
8 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 GNU General Public License for more details.
c906108c 10
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11 You should have received a copy of the GNU General Public License
12 along with this program; if not, write to the Free Software
13 Foundation, Inc., 59 Temple Place - Suite 330,
14 Boston, MA 02111-1307, USA. */
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15
16/* MIPS running RISC/os 4.52C. */
17
18#define PCB_OFFSET(FIELD) ((int)&((struct user*)0)->u_pcb.FIELD)
19
20/* RISC/os 5.0 defines this in machparam.h. */
21#include <bsd43/machine/machparam.h>
22#define NBPG BSD43_NBPG
23#define UPAGES BSD43_UPAGES
24
25/* Where is this used? I don't see any uses in mips-nat.c, and I don't think
26 the uses in infptrace.c are used if FETCH_INFERIOR_REGISTERS is defined.
27 Does the compiler react badly to "extern CORE_ADDR kernel_u_addr" (even
28 if never referenced)? */
29#define KERNEL_U_ADDR BSD43_UADDR
30
31#define REGISTER_U_ADDR(addr, blockend, regno) \
32 if (regno < FP0_REGNUM) \
33 addr = UPAGES*NBPG-EF_SIZE+4*((regno)+EF_AT-1); \
34 else if (regno < PC_REGNUM) \
35 addr = PCB_OFFSET(pcb_fpregs[0]) + 4*(regno-FP0_REGNUM); \
36 else if (regno == PS_REGNUM) \
37 addr = UPAGES*NBPG-EF_SIZE+4*EF_SR; \
56cea623 38 else if (regno == mips_regnum (current_gdbarch)->badvaddr) \
c906108c 39 addr = UPAGES*NBPG-EF_SIZE+4*EF_BADVADDR; \
56cea623 40 else if (regno == mips_regnum (current_gdbarch)->lo) \
c906108c 41 addr = UPAGES*NBPG-EF_SIZE+4*EF_MDLO; \
56cea623 42 else if (regno == mips_regnum (current_gdbarch)->hi) \
c906108c 43 addr = UPAGES*NBPG-EF_SIZE+4*EF_MDHI; \
56cea623 44 else if (regno == mips_regnum (current_gdbarch)->cause) \
c906108c 45 addr = UPAGES*NBPG-EF_SIZE+4*EF_CAUSE; \
56cea623 46 else if (regno == mips_regnum (current_gdbarch)->pc) \
c906108c 47 addr = UPAGES*NBPG-EF_SIZE+4*EF_EPC; \
56cea623 48 else if (regno < mips_regnum (current_gdbarch)->fp_control_status) \
c906108c 49 addr = PCB_OFFSET(pcb_fpregs[0]) + 4*(regno-FP0_REGNUM); \
56cea623 50 else if (regno == mips_regnum (current_gdbarch)->fp_control_status) \
c906108c 51 addr = PCB_OFFSET(pcb_fpc_csr); \
56cea623 52 else if (regno == mips_regnum (current_gdbarch)->fp_implementation_revision) \
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53 addr = PCB_OFFSET(pcb_fpc_eir); \
54 else \
55 addr = 0;
56
57#include "mips/nm-mips.h"
58
59/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
60#define FETCH_INFERIOR_REGISTERS
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