exec_ecoff_mips.h Source File

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exec_ecoff_mips.h
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1 /* gxemul: $Id: exec_ecoff_mips.h,v 1.7 2005-03-05 12:34:02 debug Exp $
2  * Addition of some ECOFF magin numbers, and ECOFF_BADMAG has been commented
3  * out to avoid warnings on Solaris.
4  */
5 
6 #ifndef EXEC_ECOFF_MIPS_H
7 #define EXEC_ECOFF_MIPS_H
8 
9 /* $NetBSD: ecoff_machdep.h,v 1.18 2002/03/05 14:12:29 simonb Exp $ */
10 
11 /*
12  * Copyright (c) 1997 Jonathan Stone
13  * All rights reserved.
14  *
15  * Copyright (c) 1994 Adam Glass
16  * All rights reserved.
17  *
18  * Redistribution and use in source and binary forms, with or without
19  * modification, are permitted provided that the following conditions
20  * are met:
21  * 1. Redistributions of source code must retain the above copyright
22  * notice, this list of conditions and the following disclaimer.
23  * 2. Redistributions in binary form must reproduce the above copyright
24  * notice, this list of conditions and the following disclaimer in the
25  * documentation and/or other materials provided with the distribution.
26  * 3. All advertising materials mentioning features or use of this software
27  * must display the following acknowledgement:
28  * This product includes software developed by Adam Glass.
29  * 4. The name of the Author may not be used to endorse or promote products
30  * derived from this software without specific prior written permission.
31  *
32  * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND
33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35  * ARE DISCLAIMED. IN NO EVENT SHALL Adam Glass BE LIABLE
36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42  * SUCH DAMAGE.
43  */
44 
45 #define ECOFF_LDPGSZ 4096
46 
47 #define ECOFF_PAD
48 
49 /* gxemul NOTE: Original types in NetBSD were 'u_long', not uint32_t */
50 
51 #define ECOFF_MACHDEP \
52  uint32_t gprmask; \
53  uint32_t cprmask[4]; \
54  uint32_t gp_value
55 #ifdef _KERNEL
56 #include <mips/cpu.h> /* mips CPU architecture levels */
57 #define _MIPS3_OK() CPUISMIPS3
58 #else
59 #define _MIPS3_OK() 1
60 #endif
61 
62 
63 #define ECOFF_MAGIC_MIPSEB 0x0160 /* mips1, big-endian */
64 #define ECOFF_MAGIC_MIPSEL 0x0162 /* mips1, little-endian */
65 #define ECOFF_MAGIC_MIPSEB2 0x0163 /* mips2, big-endian (gxemul addition) */
66 #define ECOFF_MAGIC_MIPSEL2 0x0166 /* mips2, little-endian (gxemul addition) */
67 #define ECOFF_MAGIC_MIPSEB3 0x0140 /* mips3, big-endian (gxemul addition) */
68 #define ECOFF_MAGIC_MIPSEL3 0x0142 /* mips3, little-endian */
69 
70 #if 0
71 /* commented out in gxemul, to avoid warnings on Solaris */
72 #if BYTE_ORDER == LITTLE_ENDIAN
73 #define ECOFF_BADMAG(ep) \
74  (! \
75  ((ep)->f.f_magic == ECOFF_MAGIC_MIPSEL || \
76  (_MIPS3_OK() && (ep)->f.f_magic == ECOFF_MAGIC_MIPSEL3)) \
77  )
78 #endif
79 #if BYTE_ORDER == BIG_ENDIAN
80 #define ECOFF_BADMAG(ep) ((ep)->f.f_magic != ECOFF_MAGIC_MIPSEB)
81 #endif
82 #endif /* gxemul */
83 
84 #define ECOFF_SEGMENT_ALIGNMENT(ep) ((ep)->a.vstamp < 23 ? 8 : 16)
85 
86 #ifdef _KERNEL
87 struct proc;
88 struct exec_package;
89 void cpu_exec_ecoff_setregs(struct proc *, struct exec_package *, u_long);
90 #endif /* _KERNEL */
91 
92 
93 /*
94  * ECOFF symbol definitions for 32-bit mips.
95  * XXX 64-bit (mips3?) may be different.
96  */
97 struct ecoff_symhdr {
98  int16_t magic;
99  int16_t vstamp;
100  int32_t ilineMax;
101  int32_t cbLine;
102  int32_t cbLineOffset;
103  int32_t idnMax;
104  int32_t cbDnOffset;
105  int32_t ipdMax;
106  int32_t cbPdOffset;
107  int32_t isymMax;
108  int32_t cbSymOffset;
109  int32_t ioptMax;
110  int32_t cbOptOffset;
111  int32_t iauxMax;
112  int32_t cbAuxOffset;
113  int32_t issMax;
114  int32_t cbSsOffset;
115  int32_t issExtMax;
116  int32_t cbSsExtOffset;
117  int32_t ifdMax;
118  int32_t cbFdOffset;
119  int32_t crfd;
120  int32_t cbRfdOffset;
121  int32_t iextMax;
122  int32_t cbExtOffset;
123 };
124 
125 #define MIPS_MAGIC_SYM 0x7009 /* gxemul addition */
126 
127 /* Macro for field name used by cgd's Alpha-derived code */
128 #define esymMax iextMax
129 
130 
131 struct ecoff_extsym {
132  uint16_t es_flags;
133  uint16_t es_ifd;
134  int32_t es_strindex;
135  int32_t es_value;
136  unsigned es_type:6;
137  unsigned es_class:5;
138  unsigned :1;
139  unsigned es_symauxindex:20;
140 };
141 
142 #endif /* EXEC_ECOFF_MIPS_H */
143 
int32_t cbAuxOffset
int32_t cbLineOffset
int32_t cbSsExtOffset
unsigned es_class
int32_t cbSymOffset
int32_t cbPdOffset
unsigned es_symauxindex
int32_t cbDnOffset
unsigned es_type
uint16_t es_flags
int32_t cbSsOffset
int32_t cbOptOffset
int32_t cbExtOffset
int32_t cbRfdOffset
int32_t cbFdOffset
int32_t es_strindex

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