1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Some ECOFF definitions. 41da177e4SLinus Torvalds */ 5*0c3bf184SThomas Bogendoerfer 6*0c3bf184SThomas Bogendoerfer #include <stdint.h> 7*0c3bf184SThomas Bogendoerfer 81da177e4SLinus Torvalds typedef struct filehdr { 9*0c3bf184SThomas Bogendoerfer uint16_t f_magic; /* magic number */ 10*0c3bf184SThomas Bogendoerfer uint16_t f_nscns; /* number of sections */ 11*0c3bf184SThomas Bogendoerfer int32_t f_timdat; /* time & date stamp */ 12*0c3bf184SThomas Bogendoerfer int32_t f_symptr; /* file pointer to symbolic header */ 13*0c3bf184SThomas Bogendoerfer int32_t f_nsyms; /* sizeof(symbolic hdr) */ 14*0c3bf184SThomas Bogendoerfer uint16_t f_opthdr; /* sizeof(optional hdr) */ 15*0c3bf184SThomas Bogendoerfer uint16_t f_flags; /* flags */ 161da177e4SLinus Torvalds } FILHDR; 171da177e4SLinus Torvalds #define FILHSZ sizeof(FILHDR) 181da177e4SLinus Torvalds 191da177e4SLinus Torvalds #define MIPSEBMAGIC 0x160 201da177e4SLinus Torvalds #define MIPSELMAGIC 0x162 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds typedef struct scnhdr { 231da177e4SLinus Torvalds char s_name[8]; /* section name */ 24*0c3bf184SThomas Bogendoerfer int32_t s_paddr; /* physical address, aliased s_nlib */ 25*0c3bf184SThomas Bogendoerfer int32_t s_vaddr; /* virtual address */ 26*0c3bf184SThomas Bogendoerfer int32_t s_size; /* section size */ 27*0c3bf184SThomas Bogendoerfer int32_t s_scnptr; /* file ptr to raw data for section */ 28*0c3bf184SThomas Bogendoerfer int32_t s_relptr; /* file ptr to relocation */ 29*0c3bf184SThomas Bogendoerfer int32_t s_lnnoptr; /* file ptr to gp histogram */ 30*0c3bf184SThomas Bogendoerfer uint16_t s_nreloc; /* number of relocation entries */ 31*0c3bf184SThomas Bogendoerfer uint16_t s_nlnno; /* number of gp histogram entries */ 32*0c3bf184SThomas Bogendoerfer int32_t s_flags; /* flags */ 331da177e4SLinus Torvalds } SCNHDR; 341da177e4SLinus Torvalds #define SCNHSZ sizeof(SCNHDR) 35*0c3bf184SThomas Bogendoerfer #define SCNROUND ((int32_t)16) 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds typedef struct aouthdr { 38*0c3bf184SThomas Bogendoerfer int16_t magic; /* see above */ 39*0c3bf184SThomas Bogendoerfer int16_t vstamp; /* version stamp */ 40*0c3bf184SThomas Bogendoerfer int32_t tsize; /* text size in bytes, padded to DW bdry*/ 41*0c3bf184SThomas Bogendoerfer int32_t dsize; /* initialized data " " */ 42*0c3bf184SThomas Bogendoerfer int32_t bsize; /* uninitialized data " " */ 43*0c3bf184SThomas Bogendoerfer int32_t entry; /* entry pt. */ 44*0c3bf184SThomas Bogendoerfer int32_t text_start; /* base of text used for this file */ 45*0c3bf184SThomas Bogendoerfer int32_t data_start; /* base of data used for this file */ 46*0c3bf184SThomas Bogendoerfer int32_t bss_start; /* base of bss used for this file */ 47*0c3bf184SThomas Bogendoerfer int32_t gprmask; /* general purpose register mask */ 48*0c3bf184SThomas Bogendoerfer int32_t cprmask[4]; /* co-processor register masks */ 49*0c3bf184SThomas Bogendoerfer int32_t gp_value; /* the gp value used for this object */ 501da177e4SLinus Torvalds } AOUTHDR; 511da177e4SLinus Torvalds #define AOUTHSZ sizeof(AOUTHDR) 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds #define OMAGIC 0407 541da177e4SLinus Torvalds #define NMAGIC 0410 551da177e4SLinus Torvalds #define ZMAGIC 0413 561da177e4SLinus Torvalds #define SMAGIC 0411 571da177e4SLinus Torvalds #define LIBMAGIC 0443 581da177e4SLinus Torvalds 591da177e4SLinus Torvalds #define N_TXTOFF(f, a) \ 601da177e4SLinus Torvalds ((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \ 611da177e4SLinus Torvalds ((a).vstamp < 23 ? \ 621da177e4SLinus Torvalds ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \ 631da177e4SLinus Torvalds ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) ) 641da177e4SLinus Torvalds #define N_DATOFF(f, a) \ 651da177e4SLinus Torvalds N_TXTOFF(f, a) + (a).tsize; 66