projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c | 1 | /* Macro definitions for i386 running under NetBSD. |
| b6ba6518 | 2 | Copyright 1994, 1996, 2000 Free Software Foundation, Inc. |
| c906108c | 3 | |
| c5aa993b | 4 | This file is part of GDB. |
| c906108c | 5 | |
| c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| c906108c | 10 | |
| c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| c906108c | 15 | |
| c5aa993b JM |
16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 | Boston, MA 02111-1307, USA. */ | |
| c906108c SS |
20 | |
| 21 | #ifndef TM_NBSD_H | |
| 22 | #define TM_NBSD_H | |
| 23 | ||
| 5f04ac3d C |
24 | #define HAVE_I387_REGS |
| 25 | ||
| ca04024d | 26 | #include "i386/tm-i386.h" |
| b0cb5b8d | 27 | #include "config/tm-nbsd.h" |
| c906108c | 28 | |
| 76a22209 C |
29 | extern use_struct_convention_fn i386nbsd_use_struct_convention; |
| 30 | #define USE_STRUCT_CONVENTION(gcc_p, type) \ | |
| 31 | i386nbsd_use_struct_convention(gcc_p, type) | |
| 32 | ||
| 33 | ||
| c906108c | 34 | #define JB_ELEMENT_SIZE sizeof(int) /* jmp_buf[_JBLEN] is array of ints */ |
| c5aa993b | 35 | #define JB_PC 0 /* Setjmp()'s return PC saved here */ |
| c906108c SS |
36 | |
| 37 | /* Figure out where the longjmp will land. Slurp the args out of the stack. | |
| 38 | We expect the first arg to be a pointer to the jmp_buf structure from which | |
| 39 | we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
| 40 | This routine returns true on success */ | |
| 41 | ||
| a14ed312 | 42 | extern int get_longjmp_target (CORE_ADDR *); |
| c906108c SS |
43 | |
| 44 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) | |
| 45 | ||
| ca04024d C |
46 | \f |
| 47 | /* Support for signal handlers. */ | |
| 48 | ||
| 49 | /* The sigtramp is above the user stack and immediately below the | |
| 50 | user area. Using constants here allows for cross debugging. */ | |
| 51 | ||
| 52 | #define SIGTRAMP_START(pc) 0xbfbfdf20 | |
| 53 | #define SIGTRAMP_END(pc) 0xbfbfdff0 | |
| 54 | ||
| 55 | /* Offset to saved PC in sigcontext, from <sys/signal.h>. */ | |
| 56 | #define SIGCONTEXT_PC_OFFSET 20 | |
| 57 | ||
| c906108c | 58 | #endif /* TM_NBSD_H */ |