/* * 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;