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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 7983 | leency | 1 | (* |
| 7597 | akron1 | 2 | BSD 2-Clause License |
| 6613 | leency | 3 | |
| 8097 | maxcodehac | 4 | Copyright (c) 2019-2020, Anton Krotov |
| 7597 | akron1 | 5 | All rights reserved. |
| 6 | *) |
||
| 6613 | leency | 7 | |
| 7597 | akron1 | 8 | MODULE ELF; |
| 6613 | leency | 9 | |
| 8097 | maxcodehac | 10 | IMPORT BIN, WR := WRITER, CHL := CHUNKLISTS, LISTS, PE32, UTILS; |
| 6613 | leency | 11 | |
| 12 | |||
| 7597 | akron1 | 13 | CONST |
| 6613 | leency | 14 | |
| 7597 | akron1 | 15 | EI_NIDENT = 16; |
| 16 | ET_EXEC = 2; |
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| 17 | ET_DYN = 3; |
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| 6613 | leency | 18 | |
| 7597 | akron1 | 19 | EM_386 = 3; |
| 20 | EM_8664 = 3EH; |
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| 6613 | leency | 21 | |
| 7597 | akron1 | 22 | ELFCLASS32 = 1; |
| 23 | ELFCLASS64 = 2; |
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| 24 | |||
| 25 | ELFDATA2LSB = 1; |
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| 26 | ELFDATA2MSB = 2; |
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| 27 | |||
| 28 | PF_X = 1; |
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| 29 | PF_W = 2; |
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| 30 | PF_R = 4; |
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| 31 | |||
| 32 | |||
| 33 | TYPE |
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| 34 | |||
| 35 | Elf32_Ehdr = RECORD |
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| 36 | |||
| 37 | e_ident: ARRAY EI_NIDENT OF BYTE; |
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| 38 | |||
| 39 | e_type, |
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| 40 | e_machine: WCHAR; |
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| 41 | |||
| 42 | e_version, |
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| 43 | e_entry, |
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| 44 | e_phoff, |
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| 45 | e_shoff, |
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| 46 | e_flags: INTEGER; |
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| 47 | |||
| 48 | e_ehsize, |
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| 49 | e_phentsize, |
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| 50 | e_phnum, |
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| 51 | e_shentsize, |
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| 52 | e_shnum, |
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| 53 | e_shstrndx: WCHAR |
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| 54 | |||
| 55 | END; |
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| 56 | |||
| 57 | |||
| 58 | Elf32_Phdr = RECORD |
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| 59 | |||
| 60 | p_type, |
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| 61 | p_offset, |
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| 62 | p_vaddr, |
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| 63 | p_paddr, |
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| 64 | p_filesz, |
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| 65 | p_memsz, |
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| 66 | p_flags, |
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| 67 | p_align: INTEGER |
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| 68 | |||
| 69 | END; |
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| 70 | |||
| 7693 | akron1 | 71 | |
| 72 | Elf32_Dyn = POINTER TO RECORD (LISTS.ITEM) |
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| 73 | |||
| 74 | d_tag, d_val: INTEGER |
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| 75 | |||
| 76 | END; |
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| 77 | |||
| 78 | |||
| 79 | Elf32_Sym = POINTER TO RECORD (LISTS.ITEM) |
||
| 80 | |||
| 81 | name, value, size: INTEGER; |
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| 82 | info, other: CHAR; |
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| 83 | shndx: WCHAR |
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| 84 | |||
| 85 | END; |
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| 86 | |||
| 87 | |||
| 88 | VAR |
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| 89 | |||
| 90 | dynamic: LISTS.LIST; |
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| 91 | strtab: CHL.BYTELIST; |
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| 92 | symtab: LISTS.LIST; |
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| 93 | |||
| 94 | hashtab, bucket, chain: CHL.INTLIST; |
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| 95 | |||
| 96 | |||
| 8097 | maxcodehac | 97 | PROCEDURE Write16 (w: WCHAR); |
| 6613 | leency | 98 | BEGIN |
| 8097 | maxcodehac | 99 | WR.Write16LE(ORD(w)) |
| 7597 | akron1 | 100 | END Write16; |
| 101 | |||
| 102 | |||
| 8097 | maxcodehac | 103 | PROCEDURE WritePH (ph: Elf32_Phdr); |
| 7597 | akron1 | 104 | BEGIN |
| 8097 | maxcodehac | 105 | WR.Write32LE(ph.p_type); |
| 106 | WR.Write32LE(ph.p_offset); |
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| 107 | WR.Write32LE(ph.p_vaddr); |
||
| 108 | WR.Write32LE(ph.p_paddr); |
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| 109 | WR.Write32LE(ph.p_filesz); |
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| 110 | WR.Write32LE(ph.p_memsz); |
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| 111 | WR.Write32LE(ph.p_flags); |
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| 112 | WR.Write32LE(ph.p_align) |
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| 7597 | akron1 | 113 | END WritePH; |
| 114 | |||
| 115 | |||
| 8097 | maxcodehac | 116 | PROCEDURE WritePH64 (ph: Elf32_Phdr); |
| 7597 | akron1 | 117 | BEGIN |
| 8097 | maxcodehac | 118 | WR.Write32LE(ph.p_type); |
| 119 | WR.Write32LE(ph.p_flags); |
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| 120 | WR.Write64LE(ph.p_offset); |
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| 121 | WR.Write64LE(ph.p_vaddr); |
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| 122 | WR.Write64LE(ph.p_paddr); |
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| 123 | WR.Write64LE(ph.p_filesz); |
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| 124 | WR.Write64LE(ph.p_memsz); |
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| 125 | WR.Write64LE(ph.p_align) |
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| 7597 | akron1 | 126 | END WritePH64; |
| 127 | |||
| 128 | |||
| 7693 | akron1 | 129 | PROCEDURE NewDyn (tag, val: INTEGER); |
| 130 | VAR |
||
| 131 | dyn: Elf32_Dyn; |
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| 132 | |||
| 133 | BEGIN |
||
| 134 | NEW(dyn); |
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| 135 | dyn.d_tag := tag; |
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| 136 | dyn.d_val := val; |
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| 137 | LISTS.push(dynamic, dyn) |
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| 138 | END NewDyn; |
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| 139 | |||
| 140 | |||
| 141 | PROCEDURE NewSym (name, value, size: INTEGER; info, other: CHAR; shndx: WCHAR); |
||
| 142 | VAR |
||
| 143 | sym: Elf32_Sym; |
||
| 144 | |||
| 145 | BEGIN |
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| 146 | NEW(sym); |
||
| 147 | sym.name := name; |
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| 148 | sym.value := value; |
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| 149 | sym.size := size; |
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| 150 | sym.info := info; |
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| 151 | sym.other := other; |
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| 152 | sym.shndx := shndx; |
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| 153 | |||
| 154 | LISTS.push(symtab, sym) |
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| 155 | END NewSym; |
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| 156 | |||
| 157 | |||
| 158 | PROCEDURE HashStr (name: ARRAY OF CHAR): INTEGER; |
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| 159 | VAR |
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| 160 | i, h: INTEGER; |
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| 161 | g: SET; |
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| 162 | |||
| 163 | BEGIN |
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| 164 | h := 0; |
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| 165 | i := 0; |
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| 166 | WHILE name[i] # 0X DO |
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| 167 | h := h * 16 + ORD(name[i]); |
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| 168 | g := BITS(h) * {28..31}; |
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| 169 | h := ORD(BITS(h) / BITS(LSR(ORD(g), 24)) - g); |
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| 170 | INC(i) |
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| 171 | END |
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| 172 | |||
| 173 | RETURN h |
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| 174 | END HashStr; |
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| 175 | |||
| 176 | |||
| 177 | PROCEDURE MakeHash (bucket, chain: CHL.INTLIST; symCount: INTEGER); |
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| 178 | VAR |
||
| 179 | symi, hi, k: INTEGER; |
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| 180 | |||
| 181 | BEGIN |
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| 182 | FOR symi := 0 TO symCount - 1 DO |
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| 183 | CHL.SetInt(chain, symi, 0); |
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| 184 | hi := CHL.GetInt(hashtab, symi) MOD symCount; |
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| 185 | IF CHL.GetInt(bucket, hi) # 0 THEN |
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| 186 | k := symi; |
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| 187 | WHILE CHL.GetInt(chain, k) # 0 DO |
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| 188 | k := CHL.GetInt(chain, k) |
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| 189 | END; |
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| 190 | CHL.SetInt(chain, k, CHL.GetInt(bucket, hi)) |
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| 191 | END; |
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| 192 | CHL.SetInt(bucket, hi, symi) |
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| 193 | END |
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| 194 | END MakeHash; |
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| 195 | |||
| 196 | |||
| 197 | PROCEDURE write* (program: BIN.PROGRAM; FileName: ARRAY OF CHAR; fini: INTEGER; so, amd64: BOOLEAN); |
||
| 7597 | akron1 | 198 | CONST |
| 199 | interp = 0; |
||
| 200 | dyn = 1; |
||
| 201 | header = 2; |
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| 202 | text = 3; |
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| 203 | data = 4; |
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| 204 | bss = 5; |
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| 205 | |||
| 7693 | akron1 | 206 | linuxInterpreter64 = "/lib64/ld-linux-x86-64.so.2"; |
| 207 | linuxInterpreter32 = "/lib/ld-linux.so.2"; |
||
| 208 | |||
| 209 | exeBaseAddress32 = 8048000H; |
||
| 210 | exeBaseAddress64 = 400000H; |
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| 211 | dllBaseAddress = 0; |
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| 212 | |||
| 213 | DT_NULL = 0; |
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| 214 | DT_NEEDED = 1; |
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| 215 | DT_HASH = 4; |
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| 216 | DT_STRTAB = 5; |
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| 217 | DT_SYMTAB = 6; |
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| 218 | DT_RELA = 7; |
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| 219 | DT_RELASZ = 8; |
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| 220 | DT_RELAENT = 9; |
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| 221 | DT_STRSZ = 10; |
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| 222 | DT_SYMENT = 11; |
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| 223 | DT_INIT = 12; |
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| 224 | DT_FINI = 13; |
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| 225 | DT_SONAME = 14; |
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| 226 | DT_REL = 17; |
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| 227 | DT_RELSZ = 18; |
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| 228 | DT_RELENT = 19; |
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| 229 | |||
| 7597 | akron1 | 230 | VAR |
| 231 | ehdr: Elf32_Ehdr; |
||
| 232 | phdr: ARRAY 16 OF Elf32_Phdr; |
||
| 233 | |||
| 8097 | maxcodehac | 234 | i, BaseAdr, DynAdr, offset, pad, VA, symCount: INTEGER; |
| 7597 | akron1 | 235 | |
| 236 | SizeOf: RECORD header, code, data, bss: INTEGER END; |
||
| 237 | |||
| 8097 | maxcodehac | 238 | Offset: RECORD symtab, reltab, hash, strtab: INTEGER END; |
| 7693 | akron1 | 239 | |
| 240 | Interpreter: ARRAY 40 OF CHAR; lenInterpreter: INTEGER; |
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| 7597 | akron1 | 241 | |
| 7693 | akron1 | 242 | item: LISTS.ITEM; |
| 243 | |||
| 244 | Name: ARRAY 2048 OF CHAR; |
||
| 245 | |||
| 8097 | maxcodehac | 246 | Address: PE32.VIRTUAL_ADDR; |
| 247 | |||
| 7597 | akron1 | 248 | BEGIN |
| 7693 | akron1 | 249 | dynamic := LISTS.create(NIL); |
| 250 | symtab := LISTS.create(NIL); |
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| 251 | strtab := CHL.CreateByteList(); |
||
| 252 | |||
| 7597 | akron1 | 253 | IF amd64 THEN |
| 7693 | akron1 | 254 | BaseAdr := exeBaseAddress64; |
| 255 | Interpreter := linuxInterpreter64 |
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| 7597 | akron1 | 256 | ELSE |
| 7693 | akron1 | 257 | BaseAdr := exeBaseAddress32; |
| 258 | Interpreter := linuxInterpreter32 |
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| 7597 | akron1 | 259 | END; |
| 260 | |||
| 7693 | akron1 | 261 | IF so THEN |
| 262 | BaseAdr := dllBaseAddress |
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| 7597 | akron1 | 263 | END; |
| 264 | |||
| 7693 | akron1 | 265 | lenInterpreter := LENGTH(Interpreter) + 1; |
| 266 | |||
| 7597 | akron1 | 267 | SizeOf.code := CHL.Length(program.code); |
| 268 | SizeOf.data := CHL.Length(program.data); |
||
| 269 | SizeOf.bss := program.bss; |
||
| 270 | |||
| 271 | ehdr.e_ident[0] := 7FH; |
||
| 272 | ehdr.e_ident[1] := ORD("E"); |
||
| 273 | ehdr.e_ident[2] := ORD("L"); |
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| 274 | ehdr.e_ident[3] := ORD("F"); |
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| 275 | IF amd64 THEN |
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| 276 | ehdr.e_ident[4] := ELFCLASS64 |
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| 277 | ELSE |
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| 278 | ehdr.e_ident[4] := ELFCLASS32 |
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| 279 | END; |
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| 280 | ehdr.e_ident[5] := ELFDATA2LSB; |
||
| 281 | ehdr.e_ident[6] := 1; |
||
| 282 | ehdr.e_ident[7] := 3; |
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| 283 | FOR i := 8 TO EI_NIDENT - 1 DO |
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| 284 | ehdr.e_ident[i] := 0 |
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| 285 | END; |
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| 286 | |||
| 7693 | akron1 | 287 | IF so THEN |
| 288 | ehdr.e_type := WCHR(ET_DYN) |
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| 289 | ELSE |
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| 290 | ehdr.e_type := WCHR(ET_EXEC) |
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| 291 | END; |
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| 292 | |||
| 7597 | akron1 | 293 | ehdr.e_version := 1; |
| 294 | ehdr.e_shoff := 0; |
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| 295 | ehdr.e_flags := 0; |
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| 296 | ehdr.e_shnum := WCHR(0); |
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| 297 | ehdr.e_shstrndx := WCHR(0); |
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| 298 | ehdr.e_phnum := WCHR(6); |
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| 299 | |||
| 300 | IF amd64 THEN |
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| 301 | ehdr.e_machine := WCHR(EM_8664); |
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| 302 | ehdr.e_phoff := 40H; |
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| 303 | ehdr.e_ehsize := WCHR(40H); |
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| 304 | ehdr.e_phentsize := WCHR(38H); |
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| 305 | ehdr.e_shentsize := WCHR(40H) |
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| 306 | ELSE |
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| 307 | ehdr.e_machine := WCHR(EM_386); |
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| 308 | ehdr.e_phoff := 34H; |
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| 309 | ehdr.e_ehsize := WCHR(34H); |
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| 310 | ehdr.e_phentsize := WCHR(20H); |
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| 311 | ehdr.e_shentsize := WCHR(28H) |
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| 312 | END; |
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| 313 | |||
| 314 | SizeOf.header := ORD(ehdr.e_ehsize) + ORD(ehdr.e_phentsize) * ORD(ehdr.e_phnum); |
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| 315 | |||
| 316 | phdr[interp].p_type := 3; |
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| 317 | phdr[interp].p_offset := SizeOf.header; |
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| 7693 | akron1 | 318 | phdr[interp].p_vaddr := BaseAdr + phdr[interp].p_offset; |
| 319 | phdr[interp].p_paddr := phdr[interp].p_vaddr; |
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| 320 | phdr[interp].p_filesz := lenInterpreter; |
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| 321 | phdr[interp].p_memsz := lenInterpreter; |
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| 7597 | akron1 | 322 | phdr[interp].p_flags := PF_R; |
| 323 | phdr[interp].p_align := 1; |
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| 324 | |||
| 325 | phdr[dyn].p_type := 2; |
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| 326 | phdr[dyn].p_offset := phdr[interp].p_offset + phdr[interp].p_filesz; |
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| 7693 | akron1 | 327 | phdr[dyn].p_vaddr := BaseAdr + phdr[dyn].p_offset; |
| 328 | phdr[dyn].p_paddr := phdr[dyn].p_vaddr; |
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| 329 | |||
| 330 | hashtab := CHL.CreateIntList(); |
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| 331 | |||
| 332 | CHL.PushInt(hashtab, HashStr("")); |
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| 333 | NewSym(CHL.PushStr(strtab, ""), 0, 0, 0X, 0X, 0X); |
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| 334 | CHL.PushInt(hashtab, HashStr("dlopen")); |
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| 335 | NewSym(CHL.PushStr(strtab, "dlopen"), 0, 0, 12X, 0X, 0X); |
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| 336 | CHL.PushInt(hashtab, HashStr("dlsym")); |
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| 337 | NewSym(CHL.PushStr(strtab, "dlsym"), 0, 0, 12X, 0X, 0X); |
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| 338 | |||
| 339 | IF so THEN |
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| 340 | item := program.exp_list.first; |
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| 341 | WHILE item # NIL DO |
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| 342 | ASSERT(CHL.GetStr(program.export, item(BIN.EXPRT).nameoffs, Name)); |
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| 343 | CHL.PushInt(hashtab, HashStr(Name)); |
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| 344 | NewSym(CHL.PushStr(strtab, Name), item(BIN.EXPRT).label, 0, 12X, 0X, 0X); |
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| 345 | item := item.next |
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| 346 | END; |
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| 347 | ASSERT(CHL.GetStr(program.data, program.modname, Name)) |
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| 348 | END; |
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| 349 | |||
| 350 | symCount := LISTS.count(symtab); |
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| 351 | |||
| 8097 | maxcodehac | 352 | bucket := CHL.CreateIntList(); |
| 353 | chain := CHL.CreateIntList(); |
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| 7693 | akron1 | 354 | |
| 355 | FOR i := 1 TO symCount DO |
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| 356 | CHL.PushInt(bucket, 0); |
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| 357 | CHL.PushInt(chain, 0) |
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| 358 | END; |
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| 359 | |||
| 360 | MakeHash(bucket, chain, symCount); |
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| 361 | |||
| 362 | NewDyn(DT_NEEDED, CHL.PushStr(strtab, "libdl.so.2")); |
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| 363 | NewDyn(DT_STRTAB, 0); |
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| 364 | NewDyn(DT_STRSZ, CHL.Length(strtab)); |
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| 365 | NewDyn(DT_SYMTAB, 0); |
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| 366 | |||
| 7597 | akron1 | 367 | IF amd64 THEN |
| 7693 | akron1 | 368 | NewDyn(DT_SYMENT, 24); |
| 369 | NewDyn(DT_RELA, 0); |
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| 370 | NewDyn(DT_RELASZ, 48); |
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| 371 | NewDyn(DT_RELAENT, 24) |
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| 7597 | akron1 | 372 | ELSE |
| 7693 | akron1 | 373 | NewDyn(DT_SYMENT, 16); |
| 374 | NewDyn(DT_REL, 0); |
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| 375 | NewDyn(DT_RELSZ, 16); |
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| 376 | NewDyn(DT_RELENT, 8) |
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| 7597 | akron1 | 377 | END; |
| 7693 | akron1 | 378 | |
| 379 | NewDyn(DT_HASH, 0); |
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| 380 | |||
| 381 | IF so THEN |
||
| 382 | NewDyn(DT_SONAME, CHL.PushStr(strtab, Name)); |
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| 383 | NewDyn(DT_INIT, 0); |
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| 384 | NewDyn(DT_FINI, 0) |
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| 385 | END; |
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| 386 | |||
| 387 | NewDyn(DT_NULL, 0); |
||
| 388 | |||
| 389 | Offset.symtab := LISTS.count(dynamic) * (8 + 8 * ORD(amd64)); |
||
| 390 | Offset.reltab := Offset.symtab + symCount * (16 + 8 * ORD(amd64)); |
||
| 391 | Offset.hash := Offset.reltab + (8 + 16 * ORD(amd64)) * 2; |
||
| 392 | Offset.strtab := Offset.hash + (symCount * 2 + 2) * 4; |
||
| 393 | |||
| 8097 | maxcodehac | 394 | DynAdr := phdr[dyn].p_offset + BaseAdr; |
| 7693 | akron1 | 395 | |
| 8097 | maxcodehac | 396 | item := LISTS.getidx(dynamic, 1); item(Elf32_Dyn).d_val := Offset.strtab + DynAdr; |
| 397 | item := LISTS.getidx(dynamic, 3); item(Elf32_Dyn).d_val := Offset.symtab + DynAdr; |
||
| 398 | item := LISTS.getidx(dynamic, 5); item(Elf32_Dyn).d_val := Offset.reltab + DynAdr; |
||
| 399 | item := LISTS.getidx(dynamic, 8); item(Elf32_Dyn).d_val := Offset.hash + DynAdr; |
||
| 7693 | akron1 | 400 | |
| 401 | phdr[dyn].p_filesz := Offset.strtab + CHL.Length(strtab) + 8 + 8 * ORD(amd64); |
||
| 402 | phdr[dyn].p_memsz := phdr[dyn].p_filesz; |
||
| 403 | |||
| 7597 | akron1 | 404 | phdr[dyn].p_flags := PF_R; |
| 405 | phdr[dyn].p_align := 1; |
||
| 406 | |||
| 407 | offset := 0; |
||
| 408 | |||
| 409 | phdr[header].p_type := 1; |
||
| 410 | phdr[header].p_offset := offset; |
||
| 7693 | akron1 | 411 | phdr[header].p_vaddr := BaseAdr; |
| 412 | phdr[header].p_paddr := BaseAdr; |
||
| 8097 | maxcodehac | 413 | phdr[header].p_filesz := SizeOf.header + lenInterpreter + phdr[dyn].p_filesz; |
| 7693 | akron1 | 414 | phdr[header].p_memsz := phdr[header].p_filesz; |
| 7597 | akron1 | 415 | phdr[header].p_flags := PF_R + PF_W; |
| 416 | phdr[header].p_align := 1000H; |
||
| 7693 | akron1 | 417 | |
| 8097 | maxcodehac | 418 | INC(offset, phdr[header].p_filesz); |
| 7693 | akron1 | 419 | VA := BaseAdr + offset + 1000H; |
| 7597 | akron1 | 420 | |
| 421 | phdr[text].p_type := 1; |
||
| 422 | phdr[text].p_offset := offset; |
||
| 423 | phdr[text].p_vaddr := VA; |
||
| 424 | phdr[text].p_paddr := VA; |
||
| 425 | phdr[text].p_filesz := SizeOf.code; |
||
| 426 | phdr[text].p_memsz := SizeOf.code; |
||
| 427 | phdr[text].p_flags := PF_X + PF_R; |
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| 428 | phdr[text].p_align := 1000H; |
||
| 429 | |||
| 430 | ehdr.e_entry := phdr[text].p_vaddr; |
||
| 7693 | akron1 | 431 | |
| 8097 | maxcodehac | 432 | INC(offset, phdr[text].p_filesz); |
| 7693 | akron1 | 433 | VA := BaseAdr + offset + 2000H; |
| 7597 | akron1 | 434 | pad := (16 - VA MOD 16) MOD 16; |
| 435 | |||
| 436 | phdr[data].p_type := 1; |
||
| 437 | phdr[data].p_offset := offset; |
||
| 438 | phdr[data].p_vaddr := VA; |
||
| 439 | phdr[data].p_paddr := VA; |
||
| 440 | phdr[data].p_filesz := SizeOf.data + pad; |
||
| 441 | phdr[data].p_memsz := SizeOf.data + pad; |
||
| 442 | phdr[data].p_flags := PF_R + PF_W; |
||
| 443 | phdr[data].p_align := 1000H; |
||
| 7693 | akron1 | 444 | |
| 8097 | maxcodehac | 445 | INC(offset, phdr[data].p_filesz); |
| 7693 | akron1 | 446 | VA := BaseAdr + offset + 3000H; |
| 7597 | akron1 | 447 | |
| 448 | phdr[bss].p_type := 1; |
||
| 449 | phdr[bss].p_offset := offset; |
||
| 450 | phdr[bss].p_vaddr := VA; |
||
| 451 | phdr[bss].p_paddr := VA; |
||
| 452 | phdr[bss].p_filesz := 0; |
||
| 453 | phdr[bss].p_memsz := SizeOf.bss + 16; |
||
| 454 | phdr[bss].p_flags := PF_R + PF_W; |
||
| 455 | phdr[bss].p_align := 1000H; |
||
| 456 | |||
| 8097 | maxcodehac | 457 | Address.Code := ehdr.e_entry; |
| 458 | Address.Data := phdr[data].p_vaddr + pad; |
||
| 459 | Address.Bss := WR.align(phdr[bss].p_vaddr, 16); |
||
| 460 | Address.Import := 0; |
||
| 7597 | akron1 | 461 | |
| 8097 | maxcodehac | 462 | PE32.fixup(program, Address, amd64); |
| 463 | |||
| 7693 | akron1 | 464 | item := symtab.first; |
| 465 | WHILE item # NIL DO |
||
| 466 | IF item(Elf32_Sym).value # 0 THEN |
||
| 467 | INC(item(Elf32_Sym).value, ehdr.e_entry) |
||
| 468 | END; |
||
| 469 | item := item.next |
||
| 470 | END; |
||
| 471 | |||
| 472 | IF so THEN |
||
| 473 | item := LISTS.getidx(dynamic, 10); item(Elf32_Dyn).d_val := ehdr.e_entry; |
||
| 474 | item := LISTS.getidx(dynamic, 11); item(Elf32_Dyn).d_val := BIN.GetLabel(program, fini) + ehdr.e_entry |
||
| 475 | END; |
||
| 476 | |||
| 8097 | maxcodehac | 477 | WR.Create(FileName); |
| 7597 | akron1 | 478 | |
| 479 | FOR i := 0 TO EI_NIDENT - 1 DO |
||
| 8097 | maxcodehac | 480 | WR.WriteByte(ehdr.e_ident[i]) |
| 7597 | akron1 | 481 | END; |
| 482 | |||
| 8097 | maxcodehac | 483 | Write16(ehdr.e_type); |
| 484 | Write16(ehdr.e_machine); |
||
| 7597 | akron1 | 485 | |
| 8097 | maxcodehac | 486 | WR.Write32LE(ehdr.e_version); |
| 7597 | akron1 | 487 | IF amd64 THEN |
| 8097 | maxcodehac | 488 | WR.Write64LE(ehdr.e_entry); |
| 489 | WR.Write64LE(ehdr.e_phoff); |
||
| 490 | WR.Write64LE(ehdr.e_shoff) |
||
| 7597 | akron1 | 491 | ELSE |
| 8097 | maxcodehac | 492 | WR.Write32LE(ehdr.e_entry); |
| 493 | WR.Write32LE(ehdr.e_phoff); |
||
| 494 | WR.Write32LE(ehdr.e_shoff) |
||
| 7597 | akron1 | 495 | END; |
| 8097 | maxcodehac | 496 | WR.Write32LE(ehdr.e_flags); |
| 7597 | akron1 | 497 | |
| 8097 | maxcodehac | 498 | Write16(ehdr.e_ehsize); |
| 499 | Write16(ehdr.e_phentsize); |
||
| 500 | Write16(ehdr.e_phnum); |
||
| 501 | Write16(ehdr.e_shentsize); |
||
| 502 | Write16(ehdr.e_shnum); |
||
| 503 | Write16(ehdr.e_shstrndx); |
||
| 7597 | akron1 | 504 | |
| 505 | IF amd64 THEN |
||
| 8097 | maxcodehac | 506 | WritePH64(phdr[interp]); |
| 507 | WritePH64(phdr[dyn]); |
||
| 508 | WritePH64(phdr[header]); |
||
| 509 | WritePH64(phdr[text]); |
||
| 510 | WritePH64(phdr[data]); |
||
| 511 | WritePH64(phdr[bss]) |
||
| 7597 | akron1 | 512 | ELSE |
| 8097 | maxcodehac | 513 | WritePH(phdr[interp]); |
| 514 | WritePH(phdr[dyn]); |
||
| 515 | WritePH(phdr[header]); |
||
| 516 | WritePH(phdr[text]); |
||
| 517 | WritePH(phdr[data]); |
||
| 518 | WritePH(phdr[bss]) |
||
| 7597 | akron1 | 519 | END; |
| 520 | |||
| 7693 | akron1 | 521 | FOR i := 0 TO lenInterpreter - 1 DO |
| 8097 | maxcodehac | 522 | WR.WriteByte(ORD(Interpreter[i])) |
| 7597 | akron1 | 523 | END; |
| 524 | |||
| 525 | IF amd64 THEN |
||
| 7693 | akron1 | 526 | item := dynamic.first; |
| 527 | WHILE item # NIL DO |
||
| 8097 | maxcodehac | 528 | WR.Write64LE(item(Elf32_Dyn).d_tag); |
| 529 | WR.Write64LE(item(Elf32_Dyn).d_val); |
||
| 7693 | akron1 | 530 | item := item.next |
| 531 | END; |
||
| 532 | |||
| 533 | item := symtab.first; |
||
| 534 | WHILE item # NIL DO |
||
| 8097 | maxcodehac | 535 | WR.Write32LE(item(Elf32_Sym).name); |
| 536 | WR.WriteByte(ORD(item(Elf32_Sym).info)); |
||
| 537 | WR.WriteByte(ORD(item(Elf32_Sym).other)); |
||
| 538 | Write16(item(Elf32_Sym).shndx); |
||
| 539 | WR.Write64LE(item(Elf32_Sym).value); |
||
| 540 | WR.Write64LE(item(Elf32_Sym).size); |
||
| 7693 | akron1 | 541 | item := item.next |
| 542 | END; |
||
| 543 | |||
| 8097 | maxcodehac | 544 | WR.Write64LE(phdr[dyn].p_filesz + DynAdr - 16); |
| 545 | WR.Write32LE(1); |
||
| 546 | WR.Write32LE(1); |
||
| 547 | WR.Write64LE(0); |
||
| 548 | WR.Write64LE(phdr[dyn].p_filesz + DynAdr - 8); |
||
| 549 | WR.Write32LE(1); |
||
| 550 | WR.Write32LE(2); |
||
| 551 | WR.Write64LE(0) |
||
| 7693 | akron1 | 552 | |
| 7597 | akron1 | 553 | ELSE |
| 7693 | akron1 | 554 | item := dynamic.first; |
| 555 | WHILE item # NIL DO |
||
| 8097 | maxcodehac | 556 | WR.Write32LE(item(Elf32_Dyn).d_tag); |
| 557 | WR.Write32LE(item(Elf32_Dyn).d_val); |
||
| 7693 | akron1 | 558 | item := item.next |
| 559 | END; |
||
| 560 | |||
| 561 | item := symtab.first; |
||
| 562 | WHILE item # NIL DO |
||
| 8097 | maxcodehac | 563 | WR.Write32LE(item(Elf32_Sym).name); |
| 564 | WR.Write32LE(item(Elf32_Sym).value); |
||
| 565 | WR.Write32LE(item(Elf32_Sym).size); |
||
| 566 | WR.WriteByte(ORD(item(Elf32_Sym).info)); |
||
| 567 | WR.WriteByte(ORD(item(Elf32_Sym).other)); |
||
| 568 | Write16(item(Elf32_Sym).shndx); |
||
| 7693 | akron1 | 569 | item := item.next |
| 570 | END; |
||
| 571 | |||
| 8097 | maxcodehac | 572 | WR.Write32LE(phdr[dyn].p_filesz + DynAdr - 8); |
| 573 | WR.Write32LE(00000101H); |
||
| 574 | WR.Write32LE(phdr[dyn].p_filesz + DynAdr - 4); |
||
| 575 | WR.Write32LE(00000201H) |
||
| 7693 | akron1 | 576 | |
| 8097 | maxcodehac | 577 | END; |
| 578 | |||
| 579 | WR.Write32LE(symCount); |
||
| 580 | WR.Write32LE(symCount); |
||
| 7693 | akron1 | 581 | |
| 8097 | maxcodehac | 582 | FOR i := 0 TO symCount - 1 DO |
| 583 | WR.Write32LE(CHL.GetInt(bucket, i)) |
||
| 584 | END; |
||
| 7693 | akron1 | 585 | |
| 8097 | maxcodehac | 586 | FOR i := 0 TO symCount - 1 DO |
| 587 | WR.Write32LE(CHL.GetInt(chain, i)) |
||
| 588 | END; |
||
| 7693 | akron1 | 589 | |
| 8097 | maxcodehac | 590 | CHL.WriteToFile(strtab); |
| 591 | |||
| 592 | IF amd64 THEN |
||
| 593 | WR.Write64LE(0); |
||
| 594 | WR.Write64LE(0) |
||
| 595 | ELSE |
||
| 596 | WR.Write32LE(0); |
||
| 597 | WR.Write32LE(0) |
||
| 598 | END; |
||
| 7693 | akron1 | 599 | |
| 8097 | maxcodehac | 600 | CHL.WriteToFile(program.code); |
| 7597 | akron1 | 601 | WHILE pad > 0 DO |
| 8097 | maxcodehac | 602 | WR.WriteByte(0); |
| 7597 | akron1 | 603 | DEC(pad) |
| 604 | END; |
||
| 8097 | maxcodehac | 605 | CHL.WriteToFile(program.data); |
| 606 | WR.Close; |
||
| 607 | UTILS.chmod(FileName) |
||
| 7597 | akron1 | 608 | END write; |
| 609 | |||
| 610 | |||
| 7983 | leency | 611 | END ELF. |