1997-09-24 20:57:14 +04:00
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/* Macro definitions for i386 running under BSD Unix.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef TM_I386OS9K_H
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#define TM_I386OS9K_H 1
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#include "i386/tm-i386.h"
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/* Number of machine registers */
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#undef NUM_REGS
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#define NUM_REGS (16) /* Basic i*86 regs */
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/* Initializer for an array of names of registers. There should be at least
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NUM_REGS strings in this initializer. Any excess ones are simply ignored.
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The order of the first 8 registers must match the compiler's numbering
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scheme (which is the same as the 386 scheme) and also regmap in the various
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*-nat.c files. */
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#undef REGISTER_NAMES
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#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \
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"esp", "ebp", "esi", "edi", \
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"eip", "eflags", "cs", "ss", \
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"ds", "es", "fs", "gs", \
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}
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#define DATABASE_REG 3 /* ebx */
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/* Amount PC must be decremented by after a breakpoint. This is often the
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number of bytes in BREAKPOINT but not always (such as now). */
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#undef DECR_PC_AFTER_BREAK
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#define DECR_PC_AFTER_BREAK 0
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/* On 386 bsd, sigtramp is above the user stack and immediately below
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the user area. Using constants here allows for cross debugging.
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These are tested for BSDI but should work on 386BSD. */
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1999-02-11 01:06:10 +03:00
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#define SIGTRAMP_START(pc) 0xfdbfdfc0
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#define SIGTRAMP_END(pc) 0xfdbfe000
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1997-09-24 20:57:14 +04:00
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/* Saved Pc. Get it from sigcontext if within sigtramp. */
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/* Offset to saved PC in sigcontext, from <sys/signal.h>. */
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#define SIGCONTEXT_PC_OFFSET 20
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#define BELIEVE_PCC_PROMOTION 1
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#endif /* #ifndef TM_I386OS9K_H */
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