--- /dev/null
+/*** 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 /* 32 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 */
projects / binutils-gdb.git / commitdiff