old-cross-binutils/gdb/config/i386/tm-nbsd.h

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/* Macro definitions for i386 running under NetBSD.
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Copyright 1994, 1996, 2000 Free Software Foundation, Inc.
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This file is part of GDB.
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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.
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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.
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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 */
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#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 */
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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 */