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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/mips/boot/ecoff.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/boot/ecoff.h')
-rw-r--r-- | arch/mips/boot/ecoff.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/mips/boot/ecoff.h b/arch/mips/boot/ecoff.h new file mode 100644 index 000000000..5be79ebfc --- /dev/null +++ b/arch/mips/boot/ecoff.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Some ECOFF definitions. + */ + +#include <stdint.h> + +typedef struct filehdr { + uint16_t f_magic; /* magic number */ + uint16_t f_nscns; /* number of sections */ + int32_t f_timdat; /* time & date stamp */ + int32_t f_symptr; /* file pointer to symbolic header */ + int32_t f_nsyms; /* sizeof(symbolic hdr) */ + uint16_t f_opthdr; /* sizeof(optional hdr) */ + uint16_t f_flags; /* flags */ +} FILHDR; +#define FILHSZ sizeof(FILHDR) + +#define MIPSEBMAGIC 0x160 +#define MIPSELMAGIC 0x162 + +typedef struct scnhdr { + char s_name[8]; /* section name */ + int32_t s_paddr; /* physical address, aliased s_nlib */ + int32_t s_vaddr; /* virtual address */ + int32_t s_size; /* section size */ + int32_t s_scnptr; /* file ptr to raw data for section */ + int32_t s_relptr; /* file ptr to relocation */ + int32_t s_lnnoptr; /* file ptr to gp histogram */ + uint16_t s_nreloc; /* number of relocation entries */ + uint16_t s_nlnno; /* number of gp histogram entries */ + int32_t s_flags; /* flags */ +} SCNHDR; +#define SCNHSZ sizeof(SCNHDR) +#define SCNROUND ((int32_t)16) + +typedef struct aouthdr { + int16_t magic; /* see above */ + int16_t vstamp; /* version stamp */ + int32_t tsize; /* text size in bytes, padded to DW bdry*/ + int32_t dsize; /* initialized data " " */ + int32_t bsize; /* uninitialized data " " */ + int32_t entry; /* entry pt. */ + int32_t text_start; /* base of text used for this file */ + int32_t data_start; /* base of data used for this file */ + int32_t bss_start; /* base of bss used for this file */ + int32_t gprmask; /* general purpose register mask */ + int32_t cprmask[4]; /* co-processor register masks */ + int32_t 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; |