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65 lines
2.1 KiB
65 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Some ECOFF definitions. |
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*/ |
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#include <stdint.h> |
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typedef struct filehdr { |
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uint16_t f_magic; /* magic number */ |
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uint16_t f_nscns; /* number of sections */ |
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int32_t f_timdat; /* time & date stamp */ |
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int32_t f_symptr; /* file pointer to symbolic header */ |
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int32_t f_nsyms; /* sizeof(symbolic hdr) */ |
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uint16_t f_opthdr; /* sizeof(optional hdr) */ |
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uint16_t f_flags; /* flags */ |
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} FILHDR; |
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#define FILHSZ sizeof(FILHDR) |
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#define MIPSEBMAGIC 0x160 |
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#define MIPSELMAGIC 0x162 |
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typedef struct scnhdr { |
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char s_name[8]; /* section name */ |
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int32_t s_paddr; /* physical address, aliased s_nlib */ |
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int32_t s_vaddr; /* virtual address */ |
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int32_t s_size; /* section size */ |
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int32_t s_scnptr; /* file ptr to raw data for section */ |
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int32_t s_relptr; /* file ptr to relocation */ |
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int32_t s_lnnoptr; /* file ptr to gp histogram */ |
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uint16_t s_nreloc; /* number of relocation entries */ |
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uint16_t s_nlnno; /* number of gp histogram entries */ |
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int32_t s_flags; /* flags */ |
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} SCNHDR; |
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#define SCNHSZ sizeof(SCNHDR) |
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#define SCNROUND ((int32_t)16) |
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typedef struct aouthdr { |
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int16_t magic; /* see above */ |
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int16_t vstamp; /* version stamp */ |
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int32_t tsize; /* text size in bytes, padded to DW bdry*/ |
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int32_t dsize; /* initialized data " " */ |
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int32_t bsize; /* uninitialized data " " */ |
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int32_t entry; /* entry pt. */ |
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int32_t text_start; /* base of text used for this file */ |
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int32_t data_start; /* base of data used for this file */ |
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int32_t bss_start; /* base of bss used for this file */ |
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int32_t gprmask; /* general purpose register mask */ |
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int32_t cprmask[4]; /* co-processor register masks */ |
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int32_t gp_value; /* the gp value used for this object */ |
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} AOUTHDR; |
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#define AOUTHSZ sizeof(AOUTHDR) |
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#define OMAGIC 0407 |
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#define NMAGIC 0410 |
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#define ZMAGIC 0413 |
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#define SMAGIC 0411 |
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#define LIBMAGIC 0443 |
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#define N_TXTOFF(f, a) \ |
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((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \ |
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((a).vstamp < 23 ? \ |
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((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \ |
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((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) ) |
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#define N_DATOFF(f, a) \ |
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N_TXTOFF(f, a) + (a).tsize;
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