| /* QNX Neutrino specific low level interface, for the remote server |
| for GDB. |
| Copyright (C) 2009-2013 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "server.h" |
| #include "nto-low.h" |
| #include "regdef.h" |
| #include "regcache.h" |
| |
| #include <x86/context.h> |
| |
| |
| /* Definition auto generated from reg-i386.dep. */ |
| extern void init_registers_i386 (); |
| extern struct reg *regs_i386; |
| extern const struct target_desc *tdesc_i386; |
| |
| const unsigned char x86_breakpoint[] = { 0xCC }; |
| #define x86_breakpoint_len 1 |
| |
| /* Returns offset in appropriate Neutrino's context structure. |
| Defined in x86/context.h. |
| GDBREGNO is index into regs_i386 array. It is autogenerated and |
| hopefully doesn't change. */ |
| static int |
| nto_x86_register_offset (int gdbregno) |
| { |
| if (gdbregno >= 0 && gdbregno < 16) |
| { |
| X86_CPU_REGISTERS *dummy = (void*)0; |
| /* GPRs */ |
| switch (gdbregno) |
| { |
| case 0: |
| return (int)&(dummy->eax); |
| case 1: |
| return (int)&(dummy->ecx); |
| case 2: |
| return (int)&(dummy->edx); |
| case 3: |
| return (int)&(dummy->ebx); |
| case 4: |
| return (int)&(dummy->esp); |
| case 5: |
| return (int)&(dummy->ebp); |
| case 6: |
| return (int)&(dummy->esi); |
| case 7: |
| return (int)&(dummy->edi); |
| case 8: |
| return (int)&(dummy->eip); |
| case 9: |
| return (int)&(dummy->efl); |
| case 10: |
| return (int)&(dummy->cs); |
| case 11: |
| return (int)&(dummy->ss); |
| #ifdef __SEGMENTS__ |
| case 12: |
| return (int)&(dummy->ds); |
| case 13: |
| return (int)&(dummy->es); |
| case 14: |
| return (int)&(dummy->fs); |
| case 15: |
| return (int)&(dummy->gs); |
| #endif |
| default: |
| return -1; |
| } |
| } |
| return -1; |
| } |
| |
| static void |
| nto_x86_arch_setup (void) |
| { |
| init_registers_i386 (); |
| the_low_target.num_regs = 16; |
| nto_tdesc = tdesc_i386; |
| } |
| |
| struct nto_target_ops the_low_target = |
| { |
| nto_x86_arch_setup, |
| 0, /* num_regs */ |
| nto_x86_register_offset, |
| x86_breakpoint, |
| x86_breakpoint_len |
| }; |
| |
| |
| |