1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Some ECOFF definitions.
 4 */
 5
 6#include <stdint.h>
 7
 8typedef struct filehdr {
 9	uint16_t	f_magic;	/* magic number */
10	uint16_t	f_nscns;	/* number of sections */
11	int32_t		f_timdat;	/* time & date stamp */
12	int32_t		f_symptr;	/* file pointer to symbolic header */
13	int32_t		f_nsyms;	/* sizeof(symbolic hdr) */
14	uint16_t	f_opthdr;	/* sizeof(optional hdr) */
15	uint16_t	f_flags;	/* flags */
16} FILHDR;
17#define FILHSZ	sizeof(FILHDR)
18
19#define MIPSEBMAGIC	0x160
20#define MIPSELMAGIC	0x162
21
22typedef struct scnhdr {
23	char		s_name[8];	/* section name */
24	int32_t		s_paddr;	/* physical address, aliased s_nlib */
25	int32_t		s_vaddr;	/* virtual address */
26	int32_t		s_size;		/* section size */
27	int32_t		s_scnptr;	/* file ptr to raw data for section */
28	int32_t		s_relptr;	/* file ptr to relocation */
29	int32_t		s_lnnoptr;	/* file ptr to gp histogram */
30	uint16_t	s_nreloc;	/* number of relocation entries */
31	uint16_t	s_nlnno;	/* number of gp histogram entries */
32	int32_t		s_flags;	/* flags */
33} SCNHDR;
34#define SCNHSZ		sizeof(SCNHDR)
35#define SCNROUND	((int32_t)16)
36
37typedef struct aouthdr {
38	int16_t	magic;		/* see above				*/
39	int16_t	vstamp;		/* version stamp			*/
40	int32_t	tsize;		/* text size in bytes, padded to DW bdry*/
41	int32_t	dsize;		/* initialized data "  "		*/
42	int32_t	bsize;		/* uninitialized data "	  "		*/
43	int32_t	entry;		/* entry pt.				*/
44	int32_t	text_start;	/* base of text used for this file	*/
45	int32_t	data_start;	/* base of data used for this file	*/
46	int32_t	bss_start;	/* base of bss used for this file	*/
47	int32_t	gprmask;	/* general purpose register mask	*/
48	int32_t	cprmask[4];	/* co-processor register masks		*/
49	int32_t	gp_value;	/* the gp value used for this object	*/
50} AOUTHDR;
51#define AOUTHSZ sizeof(AOUTHDR)
52
53#define OMAGIC		0407
54#define NMAGIC		0410
55#define ZMAGIC		0413
56#define SMAGIC		0411
57#define LIBMAGIC	0443
58
59#define N_TXTOFF(f, a) \
60 ((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \
61  ((a).vstamp < 23 ? \
62   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \
63   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) )
64#define N_DATOFF(f, a) \
65  N_TXTOFF(f, a) + (a).tsize;

 
 1/*
 2 * Some ECOFF definitions.
 3 */
 
 
 
 4typedef struct filehdr {
 5	unsigned short	f_magic;	/* magic number */
 6	unsigned short	f_nscns;	/* number of sections */
 7	long		f_timdat;	/* time & date stamp */
 8	long		f_symptr;	/* file pointer to symbolic header */
 9	long		f_nsyms;	/* sizeof(symbolic hdr) */
10	unsigned short	f_opthdr;	/* sizeof(optional hdr) */
11	unsigned short	f_flags;	/* flags */
12} FILHDR;
13#define FILHSZ	sizeof(FILHDR)
14
15#define MIPSEBMAGIC	0x160
16#define MIPSELMAGIC	0x162
17
18typedef struct scnhdr {
19	char		s_name[8];	/* section name */
20	long		s_paddr;	/* physical address, aliased s_nlib */
21	long		s_vaddr;	/* virtual address */
22	long		s_size;		/* section size */
23	long		s_scnptr;	/* file ptr to raw data for section */
24	long		s_relptr;	/* file ptr to relocation */
25	long		s_lnnoptr;	/* file ptr to gp histogram */
26	unsigned short	s_nreloc;	/* number of relocation entries */
27	unsigned short	s_nlnno;	/* number of gp histogram entries */
28	long		s_flags;	/* flags */
29} SCNHDR;
30#define SCNHSZ		sizeof(SCNHDR)
31#define SCNROUND	((long)16)
32
33typedef struct aouthdr {
34	short	magic;		/* see above				*/
35	short	vstamp;		/* version stamp			*/
36	long	tsize;		/* text size in bytes, padded to DW bdry*/
37	long	dsize;		/* initialized data "  "		*/
38	long	bsize;		/* uninitialized data "	  "		*/
39	long	entry;		/* entry pt.				*/
40	long	text_start;	/* base of text used for this file	*/
41	long	data_start;	/* base of data used for this file	*/
42	long	bss_start;	/* base of bss used for this file	*/
43	long	gprmask;	/* general purpose register mask	*/
44	long	cprmask[4];	/* co-processor register masks		*/
45	long	gp_value;	/* the gp value used for this object	*/
46} AOUTHDR;
47#define AOUTHSZ sizeof(AOUTHDR)
48
49#define OMAGIC		0407
50#define NMAGIC		0410
51#define ZMAGIC		0413
52#define SMAGIC		0411
53#define LIBMAGIC	0443
54
55#define N_TXTOFF(f, a) \
56 ((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \
57  ((a).vstamp < 23 ? \
58   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \
59   ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) )
60#define N_DATOFF(f, a) \
61  N_TXTOFF(f, a) + (a).tsize;