projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c | 1 | /* Native support for GNU/Linux, for GDB, the GNU debugger. |
| f60300e7 | 2 | Copyright (C) 1986, 1987, 1989, 1992, 1996, 1998, 2000 |
| c906108c SS |
3 | Free Software Foundation, Inc. |
| 4 | ||
| c5aa993b | 5 | This file is part of GDB. |
| c906108c | 6 | |
| c5aa993b JM |
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 2 of the License, or | |
| 10 | (at your option) any later version. | |
| c906108c | 11 | |
| c5aa993b JM |
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. | |
| c906108c | 16 | |
| c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software | |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| c906108c SS |
21 | |
| 22 | #ifndef NM_LINUX_H | |
| 23 | #define NM_LINUX_H | |
| 24 | ||
| 25 | #include "i386/nm-i386v.h" | |
| c2d11a7d | 26 | #include "nm-linux.h" |
| c906108c SS |
27 | |
| 28 | /* Return sizeof user struct to callers in less machine dependent routines */ | |
| 29 | ||
| 30 | #define KERNEL_U_SIZE kernel_u_size() | |
| a14ed312 | 31 | extern int kernel_u_size (void); |
| c906108c | 32 | |
| c906108c SS |
33 | #define U_REGS_OFFSET 0 |
| 34 | ||
| 35 | /* GNU/Linux supports the 386 hardware debugging registers. */ | |
| 36 | ||
| 37 | #define TARGET_HAS_HARDWARE_WATCHPOINTS | |
| 38 | ||
| 39 | #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1 | |
| 40 | ||
| 41 | /* After a watchpoint trap, the PC points to the instruction after | |
| 42 | the one that caused the trap. Therefore we don't need to step over it. | |
| 43 | But we do need to reset the status register to avoid another trap. */ | |
| 44 | #define HAVE_CONTINUABLE_WATCHPOINT | |
| 45 | ||
| 46 | #define STOPPED_BY_WATCHPOINT(W) \ | |
| 47 | i386_stopped_by_watchpoint (inferior_pid) | |
| 48 | ||
| 49 | /* Use these macros for watchpoint insertion/removal. */ | |
| 50 | ||
| 51 | #define target_insert_watchpoint(addr, len, type) \ | |
| 52 | i386_insert_watchpoint (inferior_pid, addr, len, type) | |
| 53 | ||
| 54 | #define target_remove_watchpoint(addr, len, type) \ | |
| 55 | i386_remove_watchpoint (inferior_pid, addr, len) | |
| 56 | ||
| 57 | /* We define this if link.h is available, because with ELF we use SVR4 style | |
| 58 | shared libraries. */ | |
| 59 | ||
| 60 | #ifdef HAVE_LINK_H | |
| 61 | #define SVR4_SHARED_LIBS | |
| 62 | #include "solib.h" /* Support for shared libraries. */ | |
| 63 | #endif | |
| 64 | ||
| f60300e7 | 65 | /* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */ |
| d4f3574e SS |
66 | #define FETCH_INFERIOR_REGISTERS |
| 67 | ||
| f60300e7 MK |
68 | /* Nevertheless, define CANNOT_{FETCH,STORE}_REGISTER, because we fall |
| 69 | back on the code `infptrace.c' (well a copy of that code in | |
| 70 | `i386-linux-nat.c' for now) and we can access only the | |
| 71 | general-purpose registers in that way. */ | |
| 72 | #define CANNOT_FETCH_REGISTER(regno) ((regno) >= NUM_GREGS) | |
| 73 | #define CANNOT_STORE_REGISTER(regno) CANNOT_FETCH_REGISTER (regno) | |
| 74 | ||
| a6abb2c0 MK |
75 | /* Override child_resume in `infptrace.c'. */ |
| 76 | #define CHILD_RESUME | |
| 77 | ||
| a14ed312 KB |
78 | extern CORE_ADDR i386_stopped_by_watchpoint (int); |
| 79 | extern int i386_insert_watchpoint (int pid, CORE_ADDR addr, int len, int rw); | |
| 80 | extern int i386_remove_watchpoint (int pid, CORE_ADDR addr, int len); | |
| c906108c SS |
81 | |
| 82 | #endif /* #ifndef NM_LINUX_H */ |