OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [config/] [m68k/] [tm-m68kv4.h] - Blame information for rev 107

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 106 markom
/* Target definitions for GDB on a Motorola 680x0 running SVR4.
2
   (Commodore Amiga with amix or Atari TT with ASV)
3
   Copyright (C) 1991, 1995 Free Software Foundation, Inc.
4
   Written by Fred Fish at Cygnus Support (fnf@cygint)
5
 
6
   This file is part of GDB.
7
 
8
   This program is free software; you can redistribute it and/or modify
9
   it under the terms of the GNU General Public License as published by
10
   the Free Software Foundation; either version 2 of the License, or
11
   (at your option) any later version.
12
 
13
   This program is distributed in the hope that it will be useful,
14
   but WITHOUT ANY WARRANTY; without even the implied warranty of
15
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
   GNU General Public License for more details.
17
 
18
   You should have received a copy of the GNU General Public License
19
   along with this program; if not, write to the Free Software
20
   Foundation, Inc., 59 Temple Place - Suite 330,
21
   Boston, MA 02111-1307, USA.  */
22
 
23
/* Define BPT_VECTOR if it is different than the default.
24
   This is the vector number used by traps to indicate a breakpoint. */
25
 
26
#define BPT_VECTOR 0x1
27
 
28
/* How much to decrement the PC after a trap.  Depends on kernel. */
29
 
30
#define DECR_PC_AFTER_BREAK 0   /* No decrement required */
31
 
32
/* Use the alternate method of determining valid frame chains. */
33
 
34
#define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)
35
 
36
#include "tm-sysv4.h"
37
#include "m68k/tm-m68k.h"
38
 
39
/* Offsets (in target ints) into jmp_buf.  Not defined in any system header
40
   file, so we have to step through setjmp/longjmp with a debugger and figure
41
   them out.  As a double check, note that <setjmp> defines _JBLEN as 13,
42
   which matches the number of elements we see saved by setjmp(). */
43
 
44
#define JB_ELEMENT_SIZE sizeof(int)     /* jmp_buf[_JBLEN] is array of ints */
45
 
46
#define JB_D2   0
47
#define JB_D3   1
48
#define JB_D4   2
49
#define JB_D5   3
50
#define JB_D6   4
51
#define JB_D7   5
52
#define JB_A1   6
53
#define JB_A2   7
54
#define JB_A3   8
55
#define JB_A4   9
56
#define JB_A5   10
57
#define JB_A6   11
58
#define JB_A7   12
59
 
60
#define JB_PC   JB_A1           /* Setjmp()'s return PC saved in A1 */
61
 
62
/* Figure out where the longjmp will land.  Slurp the args out of the stack.
63
   We expect the first arg to be a pointer to the jmp_buf structure from which
64
   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
65
   This routine returns true on success */
66
 
67
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
68
extern int get_longjmp_target PARAMS ((CORE_ADDR *));
69
 
70
/* Convert a DWARF register number to a gdb REGNUM.  */
71
#define DWARF_REG_TO_REGNUM(num) ((num) < 16 ? (num) : (num)+FP0_REGNUM-16)

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.