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This applies the second part of GDB's End of Year Procedure, which
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109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/* QNX Neutrino specific low level interface, for the remote server
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for GDB.
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Copyright (C) 2009-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "server.h"
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#include "nto-low.h"
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#include "regdef.h"
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#include "regcache.h"
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#include <x86/context.h>
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/* Defined in auto-generated build-time file gdb/gdbserver/i386.c. */
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extern void init_registers_i386 ();
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extern struct reg *regs_i386;
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extern const struct target_desc *tdesc_i386;
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const unsigned char x86_breakpoint[] = { 0xCC };
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#define x86_breakpoint_len 1
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/* Returns offset in appropriate Neutrino's context structure.
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Defined in x86/context.h.
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GDBREGNO is index into regs_i386 array. It is autogenerated and
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hopefully doesn't change. */
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static int
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nto_x86_register_offset (int gdbregno)
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{
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if (gdbregno >= 0 && gdbregno < 16)
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{
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X86_CPU_REGISTERS *dummy = (void*)0;
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/* GPRs */
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switch (gdbregno)
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{
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case 0:
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return (int)&(dummy->eax);
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case 1:
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return (int)&(dummy->ecx);
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case 2:
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return (int)&(dummy->edx);
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case 3:
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return (int)&(dummy->ebx);
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case 4:
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return (int)&(dummy->esp);
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case 5:
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return (int)&(dummy->ebp);
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case 6:
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return (int)&(dummy->esi);
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case 7:
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return (int)&(dummy->edi);
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case 8:
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return (int)&(dummy->eip);
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case 9:
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return (int)&(dummy->efl);
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case 10:
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return (int)&(dummy->cs);
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case 11:
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return (int)&(dummy->ss);
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#ifdef __SEGMENTS__
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case 12:
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return (int)&(dummy->ds);
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case 13:
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return (int)&(dummy->es);
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case 14:
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return (int)&(dummy->fs);
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case 15:
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return (int)&(dummy->gs);
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#endif
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default:
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return -1;
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}
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}
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return -1;
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}
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static void
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nto_x86_arch_setup (void)
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{
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init_registers_i386 ();
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the_low_target.num_regs = 16;
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nto_tdesc = tdesc_i386;
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}
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struct nto_target_ops the_low_target =
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{
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nto_x86_arch_setup,
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0, /* num_regs */
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nto_x86_register_offset,
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x86_breakpoint,
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x86_breakpoint_len
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};
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