| /* Macro definitions for i386 running under NetBSD. |
| Copyright 1994, 1996, 2000 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 2 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, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef TM_NBSD_H |
| #define TM_NBSD_H |
| |
| #define HAVE_I387_REGS |
| |
| #include "i386/tm-i386.h" |
| #include "config/tm-nbsd.h" |
| |
| extern use_struct_convention_fn i386nbsd_use_struct_convention; |
| #define USE_STRUCT_CONVENTION(gcc_p, type) \ |
| i386nbsd_use_struct_convention(gcc_p, type) |
| |
| |
| #define JB_ELEMENT_SIZE sizeof(int) /* jmp_buf[_JBLEN] is array of ints */ |
| #define JB_PC 0 /* Setjmp()'s return PC saved here */ |
| |
| /* Figure out where the longjmp will land. Slurp the args out of the stack. |
| We expect the first arg to be a pointer to the jmp_buf structure from which |
| we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. |
| This routine returns true on success */ |
| |
| extern int get_longjmp_target (CORE_ADDR *); |
| |
| #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) |
| |
| |
| /* Support for signal handlers. */ |
| |
| /* The sigtramp is above the user stack and immediately below the |
| user area. Using constants here allows for cross debugging. */ |
| |
| #define SIGTRAMP_START(pc) 0xbfbfdf20 |
| #define SIGTRAMP_END(pc) 0xbfbfdff0 |
| |
| /* Offset to saved PC in sigcontext, from <sys/signal.h>. */ |
| #define SIGCONTEXT_PC_OFFSET 20 |
| |
| #endif /* TM_NBSD_H */ |