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/*
* This file is subject to the terms and conditions of the GNU General Public
* License, Version 2. See the file "COPYING" in the main directory of this
* archive for more details.
*
* Some ECOFF definitions, from linux/arch/mips/boot/ecoff.h
*/
struct filehdr {
unsigned short f_magic; /* magic number */
#define MIPSEBMAGIC 0x160
#define MIPSELMAGIC 0x162
unsigned short f_nscns; /* number of sections */
int f_timdat; /* time & date stamp */
int f_symptr; /* file pointer to symbolic header */
int f_nsyms; /* sizeof(symbolic hdr) */
unsigned short f_opthdr; /* sizeof(optional hdr) */
unsigned short f_flags; /* flags */
} __attribute__((packed));
struct aouthdr {
short magic; /* magic number */
#define OMAGIC 0407
#define NMAGIC 0410
#define ZMAGIC 0413
#define SMAGIC 0411
#define LIBMAGIC 0443
short vstamp; /* version stamp */
int tsize; /* text size in bytes, padded to DW bdry*/
int dsize; /* initialized data, padded to DW bdry */
int bsize; /* uninitialized data, padded to DW bdry*/
int entry; /* entry pt. */
int text_start; /* base of text used for this file */
int data_start; /* base of data used for this file */
int bss_start; /* base of bss used for this file */
int gprmask; /* general purpose register mask */
int cprmask[4]; /* co-processor register masks */
int gp_value; /* the gp value used for this object */
} __attribute__((packed));
struct scnhdr {
char s_name[8]; /* section name */
int s_paddr; /* physical address, aliased s_nlib */
int s_vaddr; /* virtual address */
int s_size; /* section size */
int s_scnptr; /* file ptr to raw data for section */
int s_relptr; /* file ptr to relocation */
int s_lnnoptr; /* file ptr to gp histogram */
unsigned short s_nreloc; /* number of relocation entries */
unsigned short s_nlnno; /* number of gp histogram entries */
int s_flags; /* flags */
} __attribute__((packed));
struct ecoff_file_start {
struct filehdr efh;
struct aouthdr eah;
struct scnhdr esecs[6];
unsigned int _pad;
} __attribute__((packed));
#define N_TXTOFF(f, a) \
(((a).magic == ZMAGIC || (a).magic == LIBMAGIC) \
? 0 \
: (((a).vstamp < 23) \
? ((sizeof(struct filehdr) + sizeof(struct aouthdr) \
+ (f).f_nscns * sizeof(struct scnhdr) + 7) & ~7) \
: ((sizeof(struct filehdr) + sizeof(struct aouthdr) \
+ (f).f_nscns * sizeof(struct scnhdr) + 15) & ~15)))
#define N_DATOFF(f, a) \
N_TXTOFF(f, a) + (a).tsize
#define N_BSSOFF(f, a) \
N_DATOFF(f, a) + (((a).dsize + 15) & ~15)
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