| /*** 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 SH_ARCH_MAGIC_WINCE 0x01a2 /* Windows CE - little endian */ |
| #define SH_PE_MAGIC 0x010b |
| |
| |
| #define SHBADMAG(x) \ |
| (((x).f_magic!=SH_ARCH_MAGIC_BIG) && \ |
| ((x).f_magic!=SH_ARCH_MAGIC_WINCE) && \ |
| ((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 |
| |
| |
| |
| /* Define some NT default values. */ |
| /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ |
| #define NT_SECTION_ALIGNMENT 0x1000 |
| #define NT_FILE_ALIGNMENT 0x200 |
| #define NT_DEF_RESERVE 0x100000 |
| #define NT_DEF_COMMIT 0x1000 |
| |
| /********************** 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; |
| #ifdef COFF_WITH_PE |
| char l_lnno[2]; /* line number */ |
| #else |
| char l_lnno[4]; /* line number */ |
| #endif |
| }; |
| |
| #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 |
| #ifdef COFF_WITH_PE |
| #define LINESZ 6 |
| #undef GET_LINENO_LNNO |
| #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) (ext->l_lnno)); |
| #undef PUT_LINENO_LNNO |
| #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val, (bfd_byte *) (ext->l_lnno)); |
| #else |
| #define LINESZ 8 |
| #endif |
| |
| |
| /********************** 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 */ |
| char x_checksum[4]; /* section COMDAT checksum */ |
| char x_associated[2]; /* COMDAT associated section index */ |
| char x_comdat[1]; /* COMDAT selection number */ |
| } 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 */ |
| |
| #ifndef COFF_WITH_PE |
| struct external_reloc { |
| char r_vaddr[4]; |
| char r_symndx[4]; |
| char r_offset[4]; |
| char r_type[2]; |
| char r_stuff[2]; |
| }; |
| #else |
| struct external_reloc { |
| char r_vaddr[4]; |
| char r_symndx[4]; |
| char r_type[2]; |
| }; |
| #endif |
| |
| |
| #define RELOC struct external_reloc |
| #ifdef COFF_WITH_PE |
| #define RELSZ 10 |
| #else |
| #define RELSZ 16 |
| #endif |
| |
| /* SH relocation types. Not all of these are actually used. */ |
| |
| #define R_SH_UNUSED 0 /* only used internally */ |
| #define R_SH_IMM32CE 2 /* 32 bit immediate for WinCE */ |
| #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_IMAGEBASE 16 /* Windows CE */ |
| #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_SWITCH8 33 /* 8 bit switch table entry */ |
| #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 referenced 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 */ |
| |
| /* NB: R_SH_SWITCH8 is 33 */ |
| |
| #define R_SH_LOOP_START 34 |
| #define R_SH_LOOP_END 35 |