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

Subversion Repositories or1k

[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [config/] [i386/] [tm-i386v.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
/* Macro definitions for i386, Unix System V.
2
   Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
3
 
4
   This file is part of GDB.
5
 
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.
10
 
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.
15
 
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.  */
20
 
21
#ifndef TM_I386V_H
22
#define TM_I386V_H 1
23
 
24
/* First pick up the generic *86 target file. */
25
 
26
#include "i386/tm-i386.h"
27
 
28
/* Number of traps that happen between exec'ing the shell to run an
29
   inferior, and when we finally get to the inferior code.  This is
30
   2 on most implementations.  Override here to 4. */
31
 
32
#undef  START_INFERIOR_TRAPS_EXPECTED
33
#define START_INFERIOR_TRAPS_EXPECTED 4
34
 
35
#undef  STORE_STRUCT_RETURN
36
#define STORE_STRUCT_RETURN(ADDR, SP) \
37
  { char buf[REGISTER_SIZE];    \
38
    (SP) -= sizeof (ADDR);      \
39
    store_address (buf, sizeof (ADDR), ADDR);   \
40
    write_memory ((SP), buf, sizeof (ADDR)); }
41
 
42
/* Extract from an array REGBUF containing the (raw) register state
43
   a function return value of type TYPE, and copy that, in virtual format,
44
   into VALBUF.  */
45
 
46
#undef  EXTRACT_RETURN_VALUE
47
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
48
  memcpy ((VALBUF), (REGBUF), TYPE_LENGTH (TYPE))
49
 
50
/* Write into appropriate registers a function return value
51
   of type TYPE, given in virtual format.  */
52
 
53
#undef  STORE_RETURN_VALUE
54
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
55
  write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
56
 
57
 
58
/* Describe the pointer in each stack frame to the previous stack frame
59
   (its caller).  */
60
 
61
/* FRAME_CHAIN takes a frame's nominal address
62
   and produces the frame's chain-pointer. */
63
 
64
#undef  FRAME_CHAIN
65
#define FRAME_CHAIN(thisframe) \
66
  (!inside_entry_file ((thisframe)->pc) ? \
67
   read_memory_integer ((thisframe)->frame, 4) :\
68
   0)
69
 
70
/* Define other aspects of the stack frame.  */
71
 
72
/* A macro that tells us whether the function invocation represented
73
   by FI does not have a frame on the stack associated with it.  If it
74
   does not, FRAMELESS is set to 1, else 0.  */
75
 
76
#undef  FRAMELESS_FUNCTION_INVOCATION
77
#define FRAMELESS_FUNCTION_INVOCATION(FI) \
78
  (frameless_look_for_prologue (FI))
79
 
80
#undef  FRAME_SAVED_PC
81
#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4))
82
 
83
/* Return number of args passed to a frame.
84
   Can return -1, meaning no way to tell.  */
85
 
86
#undef  FRAME_NUM_ARGS
87
#define FRAME_NUM_ARGS(fi) (-1)
88
 
89
/* Forward decl's for prototypes */
90
struct frame_info;
91
struct frame_saved_regs;
92
 
93
extern int
94
i386_frame_num_args PARAMS ((struct frame_info *));
95
 
96
#endif /* ifndef TM_I386V_H */

powered by: WebSVN 2.1.0

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