Viewing file:  ecoff.h (2.73 KB) -rw-r--r--
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/*
* Some ECOFF definitions.
*/
typedef struct filehdr {
unsigned short f_magic; /* magic number */
unsigned short f_nscns; /* number of sections */
long f_timdat; /* time & date stamp */
long f_symptr; /* file pointer to symbolic header */
long f_nsyms; /* sizeof(symbolic hdr) */
unsigned short f_opthdr; /* sizeof(optional hdr) */
unsigned short f_flags; /* flags */
} FILHDR;
#define FILHSZ sizeof(FILHDR)
#define OMAGIC 0407
#define MIPSEBMAGIC 0x160
#define MIPSELMAGIC 0x162
typedef struct scnhdr {
char s_name[8]; /* section name */
long s_paddr; /* physical address, aliased s_nlib */
long s_vaddr; /* virtual address */
long s_size; /* section size */
long s_scnptr; /* file ptr to raw data for section */
long s_relptr; /* file ptr to relocation */
long s_lnnoptr; /* file ptr to gp histogram */
unsigned short s_nreloc; /* number of relocation entries */
unsigned short s_nlnno; /* number of gp histogram entries */
long s_flags; /* flags */
} SCNHDR;
#define SCNHSZ sizeof(SCNHDR)
#define SCNROUND ((long)16)
typedef struct aouthdr {
short magic; /* see above */
short vstamp; /* version stamp */
long tsize; /* text size in bytes, padded to DW bdry*/
long dsize; /* initialized data " " */
long bsize; /* uninitialized data " " */
long entry; /* entry pt. */
long text_start; /* base of text used for this file */
long data_start; /* base of data used for this file */
long bss_start; /* base of bss used for this file */
long gprmask; /* general purpose register mask */
long cprmask[4]; /* co-processor register masks */
long gp_value; /* the gp value used for this object */
} AOUTHDR;
#define AOUTHSZ sizeof(AOUTHDR)
#define OMAGIC 0407
#define NMAGIC 0410
#define ZMAGIC 0413
#define SMAGIC 0411
#define LIBMAGIC 0443
#define N_TXTOFF(f, a) \
((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \
((a).vstamp < 23 ? \
((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \
((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) )
#define N_DATOFF(f, a) \
N_TXTOFF(f, a) + (a).tsize;
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