1 /*** coff information for Windows CE with MIPS VR4111 */ 2 3 /********************** FILE HEADER **********************/ 4 5 struct external_filehdr { 6 char f_magic[2]; /* magic number */ 7 char f_nscns[2]; /* number of sections */ 8 char f_timdat[4]; /* time & date stamp */ 9 char f_symptr[4]; /* file pointer to symtab */ 10 char f_nsyms[4]; /* number of symtab entries */ 11 char f_opthdr[2]; /* sizeof(optional hdr) */ 12 char f_flags[2]; /* flags */ 13 }; 14 15 16 17 #define MIPS_ARCH_MAGIC_WINCE 0x0166 /* Windows CE - little endian */ 18 #define MIPS_PE_MAGIC 0x010b 19 20 #define MIPSBADMAG(x) \ 21 ((x).f_magic!=MIPS_ARCH_MAGIC_WINCE) 22 23 #define FILHDR struct external_filehdr 24 #define FILHSZ 20 25 26 27 /********************** AOUT "OPTIONAL HEADER" **********************/ 28 29 30 typedef struct 31 { 32 char magic[2]; /* type of file */ 33 char vstamp[2]; /* version stamp */ 34 char tsize[4]; /* text size in bytes, padded to FW bdry*/ 35 char dsize[4]; /* initialized data " " */ 36 char bsize[4]; /* uninitialized data " " */ 37 char entry[4]; /* entry pt. */ 38 char text_start[4]; /* base of text used for this file */ 39 char data_start[4]; /* base of data used for this file */ 40 } 41 AOUTHDR; 42 43 44 #define AOUTHDRSZ 28 45 #define AOUTSZ 28 46 47 48 49 50 /* define some NT default values */ 51 /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ 52 #define NT_SECTION_ALIGNMENT 0x1000 53 #define NT_FILE_ALIGNMENT 0x200 54 #define NT_DEF_RESERVE 0x100000 55 #define NT_DEF_COMMIT 0x1000 56 57 /********************** SECTION HEADER **********************/ 58 59 60 struct external_scnhdr { 61 char s_name[8]; /* section name */ 62 char s_paddr[4]; /* physical address, aliased s_nlib */ 63 char s_vaddr[4]; /* virtual address */ 64 char s_size[4]; /* section size */ 65 char s_scnptr[4]; /* file ptr to raw data for section */ 66 char s_relptr[4]; /* file ptr to relocation */ 67 char s_lnnoptr[4]; /* file ptr to line numbers */ 68 char s_nreloc[2]; /* number of relocation entries */ 69 char s_nlnno[2]; /* number of line number entries*/ 70 char s_flags[4]; /* flags */ 71 }; 72 73 /* 74 * names of "special" sections 75 */ 76 #define _TEXT ".text" 77 #define _DATA ".data" 78 #define _BSS ".bss" 79 80 81 #define SCNHDR struct external_scnhdr 82 #define SCNHSZ 40 83 84 85 /********************** LINE NUMBERS **********************/ 86 87 /* 1 line number entry for every "breakpointable" source line in a section. 88 * Line numbers are grouped on a per function basis; first entry in a function 89 * grouping will have l_lnno = 0 and in place of physical address will be the 90 * symbol table index of the function name. 91 */ 92 struct external_lineno { 93 union { 94 char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ 95 char l_paddr[4]; /* (physical) address of line number */ 96 } l_addr; 97 char l_lnno[2]; /* line number */ 98 }; 99 100 #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) (ext->l_lnno)); 101 #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val, (bfd_byte *) (ext->l_lnno)); 102 103 #define LINENO struct external_lineno 104 #define LINESZ 6 105 106 107 /********************** SYMBOLS **********************/ 108 109 #define E_SYMNMLEN 8 /* # characters in a symbol name */ 110 #define E_FILNMLEN 14 /* # characters in a file name */ 111 #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ 112 113 struct external_syment 114 { 115 union { 116 char e_name[E_SYMNMLEN]; 117 struct { 118 char e_zeroes[4]; 119 char e_offset[4]; 120 } e; 121 } e; 122 char e_value[4]; 123 char e_scnum[2]; 124 char e_type[2]; 125 char e_sclass[1]; 126 char e_numaux[1]; 127 }; 128 129 130 131 #define N_BTMASK (017) 132 #define N_TMASK (060) 133 #define N_BTSHFT (4) 134 #define N_TSHIFT (2) 135 136 137 union external_auxent { 138 struct { 139 char x_tagndx[4]; /* str, un, or enum tag indx */ 140 union { 141 struct { 142 char x_lnno[2]; /* declaration line number */ 143 char x_size[2]; /* str/union/array size */ 144 } x_lnsz; 145 char x_fsize[4]; /* size of function */ 146 } x_misc; 147 union { 148 struct { /* if ISFCN, tag, or .bb */ 149 char x_lnnoptr[4]; /* ptr to fcn line # */ 150 char x_endndx[4]; /* entry ndx past block end */ 151 } x_fcn; 152 struct { /* if ISARY, up to 4 dimen. */ 153 char x_dimen[E_DIMNUM][2]; 154 } x_ary; 155 } x_fcnary; 156 char x_tvndx[2]; /* tv index */ 157 } x_sym; 158 159 union { 160 char x_fname[E_FILNMLEN]; 161 struct { 162 char x_zeroes[4]; 163 char x_offset[4]; 164 } x_n; 165 } x_file; 166 167 struct { 168 char x_scnlen[4]; /* section length */ 169 char x_nreloc[2]; /* # relocation entries */ 170 char x_nlinno[2]; /* # line numbers */ 171 char x_checksum[4]; /* section COMDAT checksum */ 172 char x_associated[2]; /* COMDAT associated section index */ 173 char x_comdat[1]; /* COMDAT selection number */ 174 } x_scn; 175 176 struct { 177 char x_tvfill[4]; /* tv fill value */ 178 char x_tvlen[2]; /* length of .tv */ 179 char x_tvran[2][2]; /* tv range */ 180 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ 181 182 183 }; 184 185 #define SYMENT struct external_syment 186 #define SYMESZ 18 187 #define AUXENT union external_auxent 188 #define AUXESZ 18 189 190 191 192 /********************** RELOCATION DIRECTIVES **********************/ 193 194 /* The external reloc has an offset field, because some of the reloc 195 types on the h8 don't have room in the instruction for the entire 196 offset - eg the strange jump and high page addressing modes */ 197 198 struct external_reloc { 199 char r_vaddr[4]; 200 char r_symndx[4]; 201 char r_type[2]; 202 }; 203 204 205 #define RELOC struct external_reloc 206 #define RELSZ 10 207 208 /* MIPS PE relocation types. */ 209 210 #define MIPS_R_ABSOLUTE 0 /* ignored */ 211 #define MIPS_R_REFHALF 1 212 #define MIPS_R_REFWORD 2 213 #define MIPS_R_JMPADDR 3 214 #define MIPS_R_REFHI 4 /* PAIR follows */ 215 #define MIPS_R_REFLO 5 216 #define MIPS_R_GPREL 6 217 #define MIPS_R_LITERAL 7 /* same as GPREL */ 218 #define MIPS_R_SECTION 10 219 #define MIPS_R_SECREL 11 220 #define MIPS_R_SECRELLO 12 221 #define MIPS_R_SECRELHI 13 /* PAIR follows */ 222 #define MIPS_R_RVA 34 /* 0x22 */ 223 #define MIPS_R_PAIR 37 /* 0x25 - symndx is really a signed 16-bit addend */ 224