src/include/exec_ecoff.h

/*  gxemul: $Id: exec_ecoff.h,v 1.3 2005/03/05 12:34:02 debug Exp $  */
/*      $NetBSD: exec_ecoff.h,v 1.12 2000/11/21 00:37:56 jdolecek Exp $ */

/*
 * Copyright (c) 1994 Adam Glass
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Adam Glass.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _SYS_EXEC_ECOFF_H_
#define _SYS_EXEC_ECOFF_H_

/*  #include <machine/ecoff_machdep.h>  */
#include "exec_ecoff_mips.h"

struct ecoff_filehdr {
        uint16_t f_magic;       /* magic number */                      /*  u_short  */
        uint16_t f_nscns;       /* # of sections */                     /*  u_short  */
        uint32_t f_timdat;      /* time and date stamp */               /*  u_int  */
        uint32_t f_symptr;      /* file offset of symbol table */       /*  u_long  */
        uint32_t f_nsyms;       /* # of symbol table entries */         /*  u_int  */
        uint16_t f_opthdr;      /* sizeof the optional header */        /*  u_short  */
        uint16_t f_flags;       /* flags??? */                          /*  u_short  */
};
                                                /*  original netbsd types ----^  */

struct ecoff_aouthdr {
        u_short magic;          /*  u_short  */
        u_short vstamp;         /*  u_short  */
        ECOFF_PAD
        uint32_t tsize;         /*  u_long  */
        uint32_t dsize;         /*  u_long  */
        uint32_t bsize;         /*  u_long  */
        uint32_t entry;         /*  u_long  */
        uint32_t text_start;    /*  u_long  */
        uint32_t data_start;    /*  u_long  */
        uint32_t bss_start;     /*  u_long  */
        ECOFF_MACHDEP;
};

struct ecoff_scnhdr {           /* needed for size info */
        char     s_name[8];     /* name */
        uint32_t s_paddr;       /* physical addr? for ROMing?*/         /*  u_long  */
        uint32_t s_vaddr;       /* virtual addr? */                     /*  u_long  */
        uint32_t s_size;                /* size */                              /*  u_long  */
        uint32_t s_scnptr;      /* file offset of raw data */           /*  u_long  */
        uint32_t s_relptr;      /* file offset of reloc data */         /*  u_long  */
        uint32_t s_lnnoptr;     /* file offset of line data */          /*  u_long  */
        uint16_t s_nreloc;      /* # of relocation entries */           /*  u_short  */
        uint16_t s_nlnno;       /* # of line entries */                 /*  u_short  */
        uint32_t s_flags;       /* flags */                             /*  u_int  */
};

struct ecoff_exechdr {
        struct ecoff_filehdr f;
        struct ecoff_aouthdr a;
};

#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))

#define ECOFF_OMAGIC 0407
#define ECOFF_NMAGIC 0410
#define ECOFF_ZMAGIC 0413

#define ECOFF_ROUND(value, by) \
        (((value) + (by) - 1) & ~((by) - 1))

#define ECOFF_BLOCK_ALIGN(ep, value) \
        ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
         (value))

#define ECOFF_TXTOFF(ep) \
        ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
         ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
                     sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))

#define ECOFF_DATOFF(ep) \
        (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))

#define ECOFF_SEGMENT_ALIGN(ep, value) \
        (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
         ECOFF_SEGMENT_ALIGNMENT(ep))))

#ifdef _KERNEL
int     exec_ecoff_makecmds __P((struct proc *, struct exec_package *));
int     exec_ecoff_setup_stack __P((struct proc *, struct exec_package *));
int     cpu_exec_ecoff_probe __P((struct proc *, struct exec_package *));
void    cpu_exec_ecoff_setregs __P((struct proc *, struct exec_package *,
            u_long));

int     exec_ecoff_prep_omagic __P((struct proc *, struct exec_package *,
            struct ecoff_exechdr *, struct vnode *));
int     exec_ecoff_prep_nmagic __P((struct proc *, struct exec_package *,
            struct ecoff_exechdr *, struct vnode *));
int     exec_ecoff_prep_zmagic __P((struct proc *, struct exec_package *,
            struct ecoff_exechdr *, struct vnode *));

#endif /* _KERNEL */
#endif /* !_SYS_EXEC_ECOFF_H_ */
1	/* gxemul: $Id: exec_ecoff.h,v 1.3 2005/03/05 12:34:02 debug Exp $ */
2	/* $NetBSD: exec_ecoff.h,v 1.12 2000/11/21 00:37:56 jdolecek Exp $ */
3
4	/*
5	* Copyright (c) 1994 Adam Glass
6	* All rights reserved.
7	*
8	* Redistribution and use in source and binary forms, with or without
9	* modification, are permitted provided that the following conditions
10	* are met:
11	* 1. Redistributions of source code must retain the above copyright
12	* notice, this list of conditions and the following disclaimer.
13	* 2. Redistributions in binary form must reproduce the above copyright
14	* notice, this list of conditions and the following disclaimer in the
15	* documentation and/or other materials provided with the distribution.
16	* 3. All advertising materials mentioning features or use of this software
17	* must display the following acknowledgement:
18	* This product includes software developed by Adam Glass.
19	* 4. The name of the author may not be used to endorse or promote products
20	* derived from this software without specific prior written permission
21	*
22	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32	*/
33
34	#ifndef _SYS_EXEC_ECOFF_H_
35	#define _SYS_EXEC_ECOFF_H_
36
37	/* #include <machine/ecoff_machdep.h> */
38	#include "exec_ecoff_mips.h"
39
40	struct ecoff_filehdr {
41	uint16_t f_magic; /* magic number / / u_short */
42	uint16_t f_nscns; /* # of sections / / u_short */
43	uint32_t f_timdat; /* time and date stamp / / u_int */
44	uint32_t f_symptr; /* file offset of symbol table / / u_long */
45	uint32_t f_nsyms; /* # of symbol table entries / / u_int */
46	uint16_t f_opthdr; /* sizeof the optional header / / u_short */
47	uint16_t f_flags; /* flags??? / / u_short */
48	};
49	/* original netbsd types ----^ */
50
51	struct ecoff_aouthdr {
52	u_short magic; /* u_short */
53	u_short vstamp; /* u_short */
54	ECOFF_PAD
55	uint32_t tsize; /* u_long */
56	uint32_t dsize; /* u_long */
57	uint32_t bsize; /* u_long */
58	uint32_t entry; /* u_long */
59	uint32_t text_start; /* u_long */
60	uint32_t data_start; /* u_long */
61	uint32_t bss_start; /* u_long */
62	ECOFF_MACHDEP;
63	};
64
65	struct ecoff_scnhdr { /* needed for size info */
66	char s_name[8]; /* name */
67	uint32_t s_paddr; /* physical addr? for ROMing?/ / u_long */
68	uint32_t s_vaddr; /* virtual addr? / / u_long */
69	uint32_t s_size; /* size / / u_long */
70	uint32_t s_scnptr; /* file offset of raw data / / u_long */
71	uint32_t s_relptr; /* file offset of reloc data / / u_long */
72	uint32_t s_lnnoptr; /* file offset of line data / / u_long */
73	uint16_t s_nreloc; /* # of relocation entries / / u_short */
74	uint16_t s_nlnno; /* # of line entries / / u_short */
75	uint32_t s_flags; /* flags / / u_int */
76	};
77
78	struct ecoff_exechdr {
79	struct ecoff_filehdr f;
80	struct ecoff_aouthdr a;
81	};
82
83	#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
84
85	#define ECOFF_OMAGIC 0407
86	#define ECOFF_NMAGIC 0410
87	#define ECOFF_ZMAGIC 0413
88
89	#define ECOFF_ROUND(value, by) \
90	(((value) + (by) - 1) & ~((by) - 1))
91
92	#define ECOFF_BLOCK_ALIGN(ep, value) \
93	((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
94	(value))
95
96	#define ECOFF_TXTOFF(ep) \
97	((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
98	ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
99	sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
100
101	#define ECOFF_DATOFF(ep) \
102	(ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
103
104	#define ECOFF_SEGMENT_ALIGN(ep, value) \
105	(ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
106	ECOFF_SEGMENT_ALIGNMENT(ep))))
107
108	#ifdef _KERNEL
109	int exec_ecoff_makecmds __P((struct proc , struct exec_package ));
110	int exec_ecoff_setup_stack __P((struct proc , struct exec_package ));
111	int cpu_exec_ecoff_probe __P((struct proc , struct exec_package ));
112	void cpu_exec_ecoff_setregs __P((struct proc , struct exec_package ,
113	u_long));
114
115	int exec_ecoff_prep_omagic __P((struct proc , struct exec_package ,
116	struct ecoff_exechdr , struct vnode ));
117	int exec_ecoff_prep_nmagic __P((struct proc , struct exec_package ,
118	struct ecoff_exechdr , struct vnode ));
119	int exec_ecoff_prep_zmagic __P((struct proc , struct exec_package ,
120	struct ecoff_exechdr , struct vnode ));
121
122	#endif /* _KERNEL */
123	#endif /* !_SYS_EXEC_ECOFF_H_ */