1 /* QNX Neutrino specific low level interface, for the remote server
3 Copyright (C) 2009-2019 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include <x86/context.h>
26 #include "gdbsupport/x86-xstate.h"
27 #include "arch/i386.h"
28 #include "x86-tdesc.h"
30 const unsigned char x86_breakpoint[] = { 0xCC };
31 #define x86_breakpoint_len 1
33 /* Returns offset in appropriate Neutrino's context structure.
34 Defined in x86/context.h.
35 GDBREGNO is index into regs_i386 array. It is autogenerated and
36 hopefully doesn't change. */
38 nto_x86_register_offset (int gdbregno)
40 if (gdbregno >= 0 && gdbregno < 16)
42 X86_CPU_REGISTERS *dummy = (void*)0;
47 return (int)&(dummy->eax);
49 return (int)&(dummy->ecx);
51 return (int)&(dummy->edx);
53 return (int)&(dummy->ebx);
55 return (int)&(dummy->esp);
57 return (int)&(dummy->ebp);
59 return (int)&(dummy->esi);
61 return (int)&(dummy->edi);
63 return (int)&(dummy->eip);
65 return (int)&(dummy->efl);
67 return (int)&(dummy->cs);
69 return (int)&(dummy->ss);
72 return (int)&(dummy->ds);
74 return (int)&(dummy->es);
76 return (int)&(dummy->fs);
78 return (int)&(dummy->gs);
88 nto_x86_arch_setup (void)
90 the_low_target.num_regs = 16;
91 struct target_desc *tdesc
92 = i386_create_target_description (X86_XSTATE_SSE_MASK, false, false);
94 init_target_desc (tdesc, i386_expedite_regs);
99 struct nto_target_ops the_low_target =
103 nto_x86_register_offset,