projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| ac8c974e AR |
1 | /* QNX Neutrino specific low level interface, for the remote server |
| 2 | for GDB. | |
| 3 | Copyright (C) 2009 | |
| 4 | Free Software Foundation, Inc. | |
| 5 | ||
| 6 | This file is part of GDB. | |
| 7 | ||
| 8 | This program is free software; you can redistribute it and/or modify | |
| 9 | it under the terms of the GNU General Public License as published by | |
| 10 | the Free Software Foundation; either version 3 of the License, or | |
| 11 | (at your option) any later version. | |
| 12 | ||
| 13 | This program is distributed in the hope that it will be useful, | |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | GNU General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU General Public License | |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 20 | ||
| 21 | ||
| 22 | #include "nto-low.h" | |
| 23 | #include "regdef.h" | |
| 24 | #include "regcache.h" | |
| 25 | ||
| 26 | #include <x86/context.h> | |
| 27 | ||
| 28 | ||
| 29 | /* Definition auto generated from reg-i386.dep. */ | |
| 30 | extern void init_registers_i386 (); | |
| 31 | extern struct reg *regs_i386; | |
| 32 | ||
| 33 | const unsigned char x86_breakpoint[] = { 0xCC }; | |
| 34 | #define x86_breakpoint_len 1 | |
| 35 | ||
| 36 | /* Returns offset in appropriate Neutrino's context structure. | |
| 37 | Defined in x86/context.h. | |
| 38 | GDBREGNO is index into regs_i386 array. It is autogenerated and | |
| 39 | hopefully doesn't change. */ | |
| 40 | static int | |
| 41 | nto_x86_register_offset (int gdbregno) | |
| 42 | { | |
| 43 | if (gdbregno >= 0 && gdbregno < 16) | |
| 44 | { | |
| 45 | X86_CPU_REGISTERS *dummy = (void*)0; | |
| 46 | /* GPRs */ | |
| 47 | switch (gdbregno) | |
| 48 | { | |
| 49 | case 0: | |
| 50 | return (int)&(dummy->eax); | |
| 51 | case 1: | |
| 52 | return (int)&(dummy->ecx); | |
| 53 | case 2: | |
| 54 | return (int)&(dummy->edx); | |
| 55 | case 3: | |
| 56 | return (int)&(dummy->ebx); | |
| 57 | case 4: | |
| 58 | return (int)&(dummy->esp); | |
| 59 | case 5: | |
| 60 | return (int)&(dummy->ebp); | |
| 61 | case 6: | |
| 62 | return (int)&(dummy->esi); | |
| 63 | case 7: | |
| 64 | return (int)&(dummy->edi); | |
| 65 | case 8: | |
| 66 | return (int)&(dummy->eip); | |
| 67 | case 9: | |
| 68 | return (int)&(dummy->efl); | |
| 69 | case 10: | |
| 70 | return (int)&(dummy->cs); | |
| 71 | case 11: | |
| 72 | return (int)&(dummy->ss); | |
| 73 | #ifdef __SEGMENTS__ | |
| 74 | case 12: | |
| 75 | return (int)&(dummy->ds); | |
| 76 | case 13: | |
| 77 | return (int)&(dummy->es); | |
| 78 | case 14: | |
| 79 | return (int)&(dummy->fs); | |
| 80 | case 15: | |
| 81 | return (int)&(dummy->gs); | |
| 82 | #endif | |
| 83 | default: | |
| 84 | return -1; | |
| 85 | } | |
| 86 | } | |
| 87 | return -1; | |
| 88 | } | |
| 89 | ||
| 90 | static void | |
| 91 | nto_x86_arch_setup (void) | |
| 92 | { | |
| 93 | init_registers_i386 (); | |
| 94 | the_low_target.num_regs = 16; | |
| 95 | } | |
| 96 | ||
| 97 | struct nto_target_ops the_low_target = | |
| 98 | { | |
| 99 | nto_x86_arch_setup, | |
| 100 | 0, /* num_regs */ | |
| 101 | nto_x86_register_offset, | |
| 102 | x86_breakpoint, | |
| 103 | x86_breakpoint_len | |
| 104 | }; | |
| 105 | ||
| 106 | ||
| 107 |