projects / grub2.git / blame
| Commit | Line | Data |
|---|---|---|
| 66d6a793 LK |
1 | /* i386/gdb.h - i386 specific definitions for the remote GDB stub */ |
| 2 | /* | |
| 3 | * Copyright (C) 2006 Lubomir Kundrak | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify | |
| 6 | * it under the terms of the GNU General Public License as published by | |
| 7 | * the Free Software Foundation; either version 2 of the License, or | |
| 8 | * (at your option) any later version. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef GRUB_GDB_CPU_HEADER | |
| 21 | #define GRUB_GDB_CPU_HEADER 1 | |
| 22 | ||
| 23 | #define GRUB_GDB_LAST_TRAP 31 | |
| 24 | /* You may have to edit the bottom of machdep.S when adjusting | |
| 25 | GRUB_GDB_LAST_TRAP. */ | |
| 26 | #define GRUB_MACHINE_NR_REGS 16 | |
| 27 | ||
| 28 | #define EAX 0 | |
| 29 | #define ECX 1 | |
| 30 | #define EDX 2 | |
| 31 | #define EBX 3 | |
| 32 | #define ESP 4 | |
| 33 | #define EBP 5 | |
| 34 | #define ESI 6 | |
| 35 | #define EDI 7 | |
| 36 | #define EIP 8 | |
| 37 | #define EFLAGS 9 | |
| 38 | #define CS 10 | |
| 39 | #define SS 11 | |
| 40 | #define DS 12 | |
| 41 | #define ES 13 | |
| 42 | #define FS 14 | |
| 43 | #define GS 15 | |
| 44 | ||
| 45 | #define PC EIP | |
| 46 | #define FP EBP | |
| 47 | #define SP ESP | |
| 48 | #define PS EFLAGS | |
| 49 | ||
| 1948a3b7 | 50 | #ifndef ASM_FILE |
| 66d6a793 LK |
51 | |
| 52 | #include <grub/gdb.h> | |
| 53 | ||
| 54 | #define GRUB_CPU_TRAP_GATE 15 | |
| 55 | ||
| 56 | struct grub_cpu_interrupt_gate | |
| 57 | { | |
| 58 | grub_uint16_t offset_lo; | |
| 59 | grub_uint16_t selector; | |
| 60 | grub_uint8_t unused; | |
| 61 | grub_uint8_t gate; | |
| 62 | grub_uint16_t offset_hi; | |
| 63 | } __attribute__ ((packed)); | |
| 64 | ||
| 65 | struct grub_cpu_idt_descriptor | |
| 66 | { | |
| 67 | grub_uint16_t limit; | |
| 68 | grub_uint32_t base; | |
| 69 | } __attribute__ ((packed)); | |
| 70 | ||
| 71 | extern void (*grub_gdb_trapvec[]) (void); | |
| 66d6a793 LK |
72 | void grub_gdb_idtinit (void); |
| 73 | void grub_gdb_idtrestore (void); | |
| dd07e0c4 | 74 | void grub_gdb_trap (int trap_no) __attribute__ ((regparm(3))); |
| 66d6a793 LK |
75 | |
| 76 | #endif /* ! ASM */ | |
| 77 | #endif /* ! GRUB_GDB_CPU_HEADER */ | |
| 78 |