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- /*** coff information for Hitachi SH */
-
- /********************** FILE HEADER **********************/
-
- struct external_filehdr {
- char f_magic[2]; /* magic number */
- char f_nscns[2]; /* number of sections */
- char f_timdat[4]; /* time & date stamp */
- char f_symptr[4]; /* file pointer to symtab */
- char f_nsyms[4]; /* number of symtab entries */
- char f_opthdr[2]; /* sizeof(optional hdr) */
- char f_flags[2]; /* flags */
- };
-
-
-
- #define SH_ARCH_MAGIC_BIG 0x0500
- #define SH_ARCH_MAGIC_LITTLE 0x0550 /* Little endian SH */
-
-
- #define SHBADMAG(x) \
- (((x).f_magic!=SH_ARCH_MAGIC_BIG) && \
- ((x).f_magic!=SH_ARCH_MAGIC_LITTLE))
-
- #define FILHDR struct external_filehdr
- #define FILHSZ 20
-
-
- /********************** AOUT "OPTIONAL HEADER" **********************/
-
-
- typedef struct
- {
- char magic[2]; /* type of file */
- char vstamp[2]; /* version stamp */
- char tsize[4]; /* text size in bytes, padded to FW bdry*/
- char dsize[4]; /* initialized data " " */
- char bsize[4]; /* uninitialized data " " */
- char entry[4]; /* entry pt. */
- char text_start[4]; /* base of text used for this file */
- char data_start[4]; /* base of data used for this file */
- }
- AOUTHDR;
-
-
- #define AOUTHDRSZ 28
- #define AOUTSZ 28
-
-
-
-
- /********************** SECTION HEADER **********************/
-
-
- struct external_scnhdr {
- char s_name[8]; /* section name */
- char s_paddr[4]; /* physical address, aliased s_nlib */
- char s_vaddr[4]; /* virtual address */
- char s_size[4]; /* section size */
- char s_scnptr[4]; /* file ptr to raw data for section */
- char s_relptr[4]; /* file ptr to relocation */
- char s_lnnoptr[4]; /* file ptr to line numbers */
- char s_nreloc[2]; /* number of relocation entries */
- char s_nlnno[2]; /* number of line number entries*/
- char s_flags[4]; /* flags */
- };
-
- /*
- * names of "special" sections
- */
- #define _TEXT ".text"
- #define _DATA ".data"
- #define _BSS ".bss"
-
-
- #define SCNHDR struct external_scnhdr
- #define SCNHSZ 40
-
-
- /********************** LINE NUMBERS **********************/
-
- /* 1 line number entry for every "breakpointable" source line in a section.
- * Line numbers are grouped on a per function basis; first entry in a function
- * grouping will have l_lnno = 0 and in place of physical address will be the
- * symbol table index of the function name.
- */
- struct external_lineno {
- union {
- char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
- char l_paddr[4]; /* (physical) address of line number */
- } l_addr;
- char l_lnno[4]; /* line number */
- };
-
- #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno));
- #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno));
-
- #define LINENO struct external_lineno
- #define LINESZ 8
-
-
- /********************** SYMBOLS **********************/
-
- #define E_SYMNMLEN 8 /* # characters in a symbol name */
- #define E_FILNMLEN 14 /* # characters in a file name */
- #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
-
- struct external_syment
- {
- union {
- char e_name[E_SYMNMLEN];
- struct {
- char e_zeroes[4];
- char e_offset[4];
- } e;
- } e;
- char e_value[4];
- char e_scnum[2];
- char e_type[2];
- char e_sclass[1];
- char e_numaux[1];
- };
-
-
-
- #define N_BTMASK (017)
- #define N_TMASK (060)
- #define N_BTSHFT (4)
- #define N_TSHIFT (2)
-
-
- union external_auxent {
- struct {
- char x_tagndx[4]; /* str, un, or enum tag indx */
- union {
- struct {
- char x_lnno[2]; /* declaration line number */
- char x_size[2]; /* str/union/array size */
- } x_lnsz;
- char x_fsize[4]; /* size of function */
- } x_misc;
- union {
- struct { /* if ISFCN, tag, or .bb */
- char x_lnnoptr[4]; /* ptr to fcn line # */
- char x_endndx[4]; /* entry ndx past block end */
- } x_fcn;
- struct { /* if ISARY, up to 4 dimen. */
- char x_dimen[E_DIMNUM][2];
- } x_ary;
- } x_fcnary;
- char x_tvndx[2]; /* tv index */
- } x_sym;
-
- union {
- char x_fname[E_FILNMLEN];
- struct {
- char x_zeroes[4];
- char x_offset[4];
- } x_n;
- } x_file;
-
- struct {
- char x_scnlen[4]; /* section length */
- char x_nreloc[2]; /* # relocation entries */
- char x_nlinno[2]; /* # line numbers */
- } x_scn;
-
- struct {
- char x_tvfill[4]; /* tv fill value */
- char x_tvlen[2]; /* length of .tv */
- char x_tvran[2][2]; /* tv range */
- } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
-
-
- };
-
- #define SYMENT struct external_syment
- #define SYMESZ 18
- #define AUXENT union external_auxent
- #define AUXESZ 18
-
-
-
- /********************** RELOCATION DIRECTIVES **********************/
-
- /* The external reloc has an offset field, because some of the reloc
- types on the h8 don't have room in the instruction for the entire
- offset - eg the strange jump and high page addressing modes */
-
- struct external_reloc {
- char r_vaddr[4];
- char r_symndx[4];
- char r_offset[4];
- char r_type[2];
- char r_stuff[2];
- };
-
-
- #define RELOC struct external_reloc
- #define RELSZ 16
-
- /* SH relocation types. Not all of these are actually used. */
-
- #define R_SH_UNUSED 0 /* only used internally */
- #define R_SH_PCREL8 3 /* 8 bit pcrel */
- #define R_SH_PCREL16 4 /* 16 bit pcrel */
- #define R_SH_HIGH8 5 /* high 8 bits of 24 bit address */
- #define R_SH_LOW16 7 /* low 16 bits of 24 bit immediate */
- #define R_SH_IMM24 6 /* 24 bit immediate */
- #define R_SH_PCDISP8BY4 9 /* PC rel 8 bits *4 +ve */
- #define R_SH_PCDISP8BY2 10 /* PC rel 8 bits *2 +ve */
- #define R_SH_PCDISP8 11 /* 8 bit branch */
- #define R_SH_PCDISP 12 /* 12 bit branch */
- #define R_SH_IMM32 14 /* 32 bit immediate */
- #define R_SH_IMM8 16 /* 8 bit immediate */
- #define R_SH_IMM8BY2 17 /* 8 bit immediate *2 */
- #define R_SH_IMM8BY4 18 /* 8 bit immediate *4 */
- #define R_SH_IMM4 19 /* 4 bit immediate */
- #define R_SH_IMM4BY2 20 /* 4 bit immediate *2 */
- #define R_SH_IMM4BY4 21 /* 4 bit immediate *4 */
- #define R_SH_PCRELIMM8BY2 22 /* PC rel 8 bits *2 unsigned */
- #define R_SH_PCRELIMM8BY4 23 /* PC rel 8 bits *4 unsigned */
- #define R_SH_IMM16 24 /* 16 bit immediate */
-
- /* The switch table reloc types are used for relaxing. They are
- generated for expressions such as
- .word L1 - L2
- The r_offset field holds the difference between the reloc address
- and L2. */
- #define R_SH_SWITCH16 25 /* 16 bit switch table entry */
- #define R_SH_SWITCH32 26 /* 16 bit switch table entry */
-
- /* The USES reloc type is used for relaxing. The compiler will
- generate .uses pseudo-ops when it finds a function call which it
- can relax. The r_offset field of the USES reloc holds the PC
- relative offset to the instruction which loads the register used in
- the function call. */
- #define R_SH_USES 27 /* .uses pseudo-op */
-
- /* The COUNT reloc type is used for relaxing. The assembler will
- generate COUNT relocs for addresses referred to by the register
- loads associated with USES relocs. The r_offset field of the COUNT
- reloc holds the number of times the address is references in the
- object file. */
- #define R_SH_COUNT 28 /* Count of constant pool uses */
-
- /* The ALIGN reloc type is used for relaxing. The r_offset field is
- the power of two to which subsequent portions of the object file
- must be aligned. */
- #define R_SH_ALIGN 29 /* .align pseudo-op */
-
- /* The CODE and DATA reloc types are used for aligning load and store
- instructions. The assembler will generate a CODE reloc before a
- block of instructions. It will generate a DATA reloc before data.
- A section should be processed assuming it contains data, unless a
- CODE reloc is seen. The only relevant pieces of information in the
- CODE and DATA relocs are the section and the address. The symbol
- and offset are meaningless. */
- #define R_SH_CODE 30 /* start of code */
- #define R_SH_DATA 31 /* start of data */
-
- /* The LABEL reloc type is used for aligning load and store
- instructions. The assembler will generate a LABEL reloc for each
- label within a block of instructions. This permits the linker to
- avoid swapping instructions which are the targets of branches. */
- #define R_SH_LABEL 32 /* label */
-