| 1 | /* BFD back-end for Intel 386 PE IMAGE COFF files. |
| 2 | Copyright 2006, 2007, 2009 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of BFD, the Binary File Descriptor library. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. |
| 20 | |
| 21 | Written by Kai Tietz, OneVision Software GmbH&CoKg. */ |
| 22 | |
| 23 | #include "sysdep.h" |
| 24 | #include "bfd.h" |
| 25 | |
| 26 | #define TARGET_SYM x86_64pei_vec |
| 27 | #define TARGET_NAME "pei-x86-64" |
| 28 | #define COFF_IMAGE_WITH_PE |
| 29 | #define COFF_WITH_PE |
| 30 | #define COFF_WITH_pex64 |
| 31 | #define PCRELOFFSET TRUE |
| 32 | #if defined (USE_MINGW64_LEADING_UNDERSCORES) |
| 33 | #define TARGET_UNDERSCORE '_' |
| 34 | #else |
| 35 | #define TARGET_UNDERSCORE 0 |
| 36 | #endif |
| 37 | /* Long section names not allowed in executable images, only object files. */ |
| 38 | #define COFF_LONG_SECTION_NAMES 0 |
| 39 | #define COFF_SUPPORT_GNU_LINKONCE |
| 40 | #define COFF_LONG_FILENAMES |
| 41 | #define PDATA_ROW_SIZE (3 * 4) |
| 42 | |
| 43 | #define COFF_SECTION_ALIGNMENT_ENTRIES \ |
| 44 | { COFF_SECTION_NAME_EXACT_MATCH (".bss"), \ |
| 45 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \ |
| 46 | { COFF_SECTION_NAME_PARTIAL_MATCH (".data"), \ |
| 47 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \ |
| 48 | { COFF_SECTION_NAME_PARTIAL_MATCH (".rdata"), \ |
| 49 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \ |
| 50 | { COFF_SECTION_NAME_PARTIAL_MATCH (".text"), \ |
| 51 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 4 }, \ |
| 52 | { COFF_SECTION_NAME_PARTIAL_MATCH (".idata"), \ |
| 53 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \ |
| 54 | { COFF_SECTION_NAME_EXACT_MATCH (".pdata"), \ |
| 55 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, \ |
| 56 | { COFF_SECTION_NAME_PARTIAL_MATCH (".debug"), \ |
| 57 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, \ |
| 58 | { COFF_SECTION_NAME_PARTIAL_MATCH (".gnu.linkonce.wi."), \ |
| 59 | COFF_ALIGNMENT_FIELD_EMPTY, COFF_ALIGNMENT_FIELD_EMPTY, 0 } |
| 60 | |
| 61 | /* Note we have to make sure not to include headers twice. |
| 62 | Not all headers are wrapped in #ifdef guards, so we define |
| 63 | PEI_HEADERS to prevent double including in coff-x86_64.c */ |
| 64 | #define PEI_HEADERS |
| 65 | #include "sysdep.h" |
| 66 | #include "bfd.h" |
| 67 | #include "libbfd.h" |
| 68 | #include "coff/x86_64.h" |
| 69 | #include "coff/internal.h" |
| 70 | #include "coff/pe.h" |
| 71 | #include "libcoff.h" |
| 72 | #include "libpei.h" |
| 73 | #include "libiberty.h" |
| 74 | |
| 75 | #undef AOUTSZ |
| 76 | #define AOUTSZ PEPAOUTSZ |
| 77 | #define PEAOUTHDR PEPAOUTHDR |
| 78 | |
| 79 | static const char *pex_regs[16] = { |
| 80 | "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", |
| 81 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" |
| 82 | }; |
| 83 | |
| 84 | static void |
| 85 | pex64_get_runtime_function (bfd *abfd, struct pex64_runtime_function *rf, |
| 86 | const void *data) |
| 87 | { |
| 88 | const struct external_pex64_runtime_function *ex_rf = |
| 89 | (const struct external_pex64_runtime_function *) data; |
| 90 | rf->rva_BeginAddress = bfd_get_32 (abfd, ex_rf->rva_BeginAddress); |
| 91 | rf->rva_EndAddress = bfd_get_32 (abfd, ex_rf->rva_EndAddress); |
| 92 | rf->rva_UnwindData = bfd_get_32 (abfd, ex_rf->rva_UnwindData); |
| 93 | rf->isChained = PEX64_IS_RUNTIME_FUNCTION_CHAINED (rf); |
| 94 | rf->rva_UnwindData = PEX64_GET_UNWINDDATA_UNIFIED_RVA (rf); |
| 95 | } |
| 96 | |
| 97 | static void |
| 98 | pex64_get_unwind_info (bfd *abfd, struct pex64_unwind_info *ui, void *data) |
| 99 | { |
| 100 | struct external_pex64_unwind_info *ex_ui = |
| 101 | (struct external_pex64_unwind_info *) data; |
| 102 | bfd_byte *ex_dta = (bfd_byte *) data; |
| 103 | |
| 104 | memset (ui, 0, sizeof (struct pex64_unwind_info)); |
| 105 | ui->Version = PEX64_UWI_VERSION (ex_ui->Version_Flags); |
| 106 | ui->Flags = PEX64_UWI_FLAGS (ex_ui->Version_Flags); |
| 107 | ui->SizeOfPrologue = (bfd_vma) ex_ui->SizeOfPrologue; |
| 108 | ui->CountOfCodes = (bfd_vma) ex_ui->CountOfCodes; |
| 109 | ui->FrameRegister = PEX64_UWI_FRAMEREG (ex_ui->FrameRegisterOffset); |
| 110 | ui->FrameOffset = PEX64_UWI_FRAMEOFF (ex_ui->FrameRegisterOffset); |
| 111 | ui->sizeofUnwindCodes = PEX64_UWI_SIZEOF_UWCODE_ARRAY (ui->CountOfCodes); |
| 112 | ui->SizeOfBlock = ui->sizeofUnwindCodes + 4; |
| 113 | ui->rawUnwindCodes = &ex_dta[4]; |
| 114 | ex_dta += ui->SizeOfBlock; |
| 115 | switch (ui->Flags) |
| 116 | { |
| 117 | case UNW_FLAG_CHAININFO: |
| 118 | ui->rva_FunctionEntry = bfd_get_32 (abfd, ex_dta); |
| 119 | ui->SizeOfBlock += 4; |
| 120 | return; |
| 121 | default: |
| 122 | return; |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | static void |
| 127 | pex64_xdata_print_uwd_codes (FILE *file, struct pex64_unwind_info *ui, |
| 128 | bfd_vma pc_addr) |
| 129 | { |
| 130 | bfd_vma i; |
| 131 | bfd_vma tmp = 0; |
| 132 | const bfd_byte *insns[256]; |
| 133 | bfd_vma insns_count = 0; |
| 134 | const bfd_byte *dta = ui->rawUnwindCodes; |
| 135 | |
| 136 | if (ui->CountOfCodes == 0 || !dta) |
| 137 | return; |
| 138 | |
| 139 | /* Sort array ascending. Note: it is stored in reversed order. */ |
| 140 | for (i = 0; i < ui->CountOfCodes; i++) |
| 141 | { |
| 142 | const bfd_byte *t; |
| 143 | |
| 144 | t = insns[insns_count++] = &dta[i * 2]; |
| 145 | switch (PEX64_UNWCODE_CODE (t[1])) |
| 146 | { |
| 147 | case UWOP_PUSH_NONVOL: |
| 148 | case UWOP_ALLOC_SMALL: |
| 149 | case UWOP_SET_FPREG: |
| 150 | case UWOP_PUSH_MACHFRAME: |
| 151 | break; |
| 152 | case UWOP_ALLOC_LARGE: |
| 153 | if (PEX64_UNWCODE_INFO (t[1]) == 0) |
| 154 | { |
| 155 | i += 1; |
| 156 | break; |
| 157 | } |
| 158 | else if (PEX64_UNWCODE_INFO (t[1]) == 1) |
| 159 | { |
| 160 | i += 2; |
| 161 | break; |
| 162 | } |
| 163 | /* fall through. */ |
| 164 | default: |
| 165 | fprintf (file, "\t contains unknown code (%u).\n", |
| 166 | (unsigned int) PEX64_UNWCODE_CODE (t[1])); |
| 167 | return; |
| 168 | case UWOP_SAVE_NONVOL: |
| 169 | case UWOP_SAVE_XMM: |
| 170 | case UWOP_SAVE_XMM128: |
| 171 | i++; |
| 172 | break; |
| 173 | case UWOP_SAVE_NONVOL_FAR: |
| 174 | case UWOP_SAVE_XMM_FAR: |
| 175 | case UWOP_SAVE_XMM128_FAR: |
| 176 | i += 2; |
| 177 | break; |
| 178 | } |
| 179 | } |
| 180 | fprintf (file, "\t At pc 0x"); |
| 181 | fprintf_vma (file, pc_addr); |
| 182 | fprintf (file, " there are the following saves (in logical order).\n"); |
| 183 | for (i = insns_count; i > 0;) |
| 184 | { |
| 185 | --i; |
| 186 | dta = insns[i]; |
| 187 | fprintf (file, "\t insn ends at pc+0x%02x: ", (unsigned int) dta[0]); |
| 188 | switch (PEX64_UNWCODE_CODE (dta[1])) |
| 189 | { |
| 190 | case UWOP_PUSH_NONVOL: |
| 191 | fprintf (file, "push %s.\n", pex_regs[PEX64_UNWCODE_INFO (dta[1])]); |
| 192 | break; |
| 193 | case UWOP_ALLOC_LARGE: |
| 194 | if (PEX64_UNWCODE_INFO (dta[1]) == 0) |
| 195 | { |
| 196 | tmp = (bfd_vma) (*((unsigned short *) &dta[2])); |
| 197 | tmp *= 8; |
| 198 | } |
| 199 | else |
| 200 | tmp = (bfd_vma) (*((unsigned int *)&dta[2])); |
| 201 | fprintf (file, "save stack region of size 0x"); |
| 202 | fprintf_vma (file, tmp); |
| 203 | fprintf (file,".\n"); |
| 204 | break; |
| 205 | case UWOP_ALLOC_SMALL: |
| 206 | tmp = (bfd_vma) PEX64_UNWCODE_INFO (dta[1]); |
| 207 | tmp += 1; |
| 208 | tmp *= 8; |
| 209 | fprintf (file, "save stack region of size 0x"); |
| 210 | fprintf_vma (file, tmp); |
| 211 | fprintf (file,".\n"); |
| 212 | break; |
| 213 | case UWOP_SET_FPREG: |
| 214 | tmp = (bfd_vma) PEX64_UNWCODE_INFO (dta[1]); |
| 215 | tmp *= 16; |
| 216 | fprintf (file, "FPReg = (FrameReg) + 0x"); |
| 217 | fprintf_vma (file, tmp); |
| 218 | fprintf (file, ".\n"); |
| 219 | break; |
| 220 | case UWOP_SAVE_NONVOL: |
| 221 | fprintf (file, "mov %s at 0x", |
| 222 | pex_regs[PEX64_UNWCODE_INFO (dta[1])]); |
| 223 | tmp = (bfd_vma) (*((unsigned short *) &dta[2])); |
| 224 | tmp *= 8; |
| 225 | fprintf_vma (file, tmp); |
| 226 | fprintf (file, ".\n"); |
| 227 | break; |
| 228 | case UWOP_SAVE_NONVOL_FAR: |
| 229 | fprintf (file, "mov %s at 0x", |
| 230 | pex_regs[PEX64_UNWCODE_INFO (dta[1])]); |
| 231 | tmp = (bfd_vma) (*((unsigned int *) &dta[2])); |
| 232 | fprintf_vma (file, tmp); |
| 233 | fprintf (file, ".\n"); |
| 234 | break; |
| 235 | case UWOP_SAVE_XMM: |
| 236 | tmp = (bfd_vma) (*((unsigned short *) &dta[2])); |
| 237 | tmp *= 8; |
| 238 | fprintf (file, "mov mm%u at 0x", |
| 239 | (unsigned int) PEX64_UNWCODE_INFO (dta[1])); |
| 240 | fprintf_vma (file, tmp); |
| 241 | fprintf (file, ".\n"); |
| 242 | break; |
| 243 | case UWOP_SAVE_XMM_FAR: |
| 244 | tmp = (bfd_vma) (*((unsigned int *) &dta[2])); |
| 245 | fprintf (file, "mov mm%u at 0x", |
| 246 | (unsigned int) PEX64_UNWCODE_INFO (dta[1])); |
| 247 | fprintf_vma (file, tmp); |
| 248 | fprintf (file, ".\n"); |
| 249 | break; |
| 250 | case UWOP_SAVE_XMM128: |
| 251 | tmp = (bfd_vma) (*((unsigned short *) &dta[2])); |
| 252 | tmp *= 16; |
| 253 | fprintf (file, "mov xmm%u at 0x", |
| 254 | (unsigned int) PEX64_UNWCODE_INFO ( dta[1])); |
| 255 | fprintf_vma (file, tmp); |
| 256 | fprintf (file, ".\n"); |
| 257 | break; |
| 258 | case UWOP_SAVE_XMM128_FAR: |
| 259 | tmp = (bfd_vma) (*((unsigned int *) &dta[2])); |
| 260 | fprintf (file, "mov xmm%u at 0x", |
| 261 | (unsigned int) PEX64_UNWCODE_INFO (dta[1])); |
| 262 | fprintf_vma (file, tmp); |
| 263 | fprintf (file, ".\n"); |
| 264 | break; |
| 265 | case UWOP_PUSH_MACHFRAME: |
| 266 | fprintf (file, "interrupt entry (SS, old RSP, EFLAGS, CS, RIP"); |
| 267 | if (PEX64_UNWCODE_INFO (dta[1]) == 0) |
| 268 | { |
| 269 | fprintf (file, ")"); |
| 270 | } |
| 271 | else if (PEX64_UNWCODE_INFO (dta[1]) == 1) |
| 272 | { |
| 273 | fprintf (file, ",ErrorCode)"); |
| 274 | } |
| 275 | else |
| 276 | fprintf (file, ", unknown(%u))", |
| 277 | (unsigned int) PEX64_UNWCODE_INFO (dta[1])); |
| 278 | fprintf (file,".\n"); |
| 279 | break; |
| 280 | default: |
| 281 | fprintf (file, "unknown code %u.\n", |
| 282 | (unsigned int) PEX64_UNWCODE_INFO (dta[1])); |
| 283 | break; |
| 284 | } |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | static asection * |
| 289 | pex64_get_section_by_rva (bfd *abfd, bfd_vma addr, const char *sec_name) |
| 290 | { |
| 291 | asection *section = bfd_get_section_by_name (abfd, sec_name); |
| 292 | bfd_vma vsize; |
| 293 | bfd_size_type datasize = 0; |
| 294 | |
| 295 | if (section == NULL |
| 296 | || coff_section_data (abfd, section) == NULL |
| 297 | || pei_section_data (abfd, section) == NULL) |
| 298 | return NULL; |
| 299 | vsize = section->vma - pe_data (abfd)->pe_opthdr.ImageBase; |
| 300 | datasize = section->size; |
| 301 | if (!datasize || vsize > addr || (vsize + datasize) < addr) |
| 302 | return NULL; |
| 303 | return section; |
| 304 | } |
| 305 | |
| 306 | static bfd_vma |
| 307 | find_next_xdata_or_end (bfd *abfd, bfd_byte *pdata, bfd_size_type stop, |
| 308 | int onaline, bfd_vma cur_address, bfd_vma max_size) |
| 309 | { |
| 310 | bfd_size_type i; |
| 311 | bfd_vma ret = 0; |
| 312 | |
| 313 | for (i = 0; i < stop; i += onaline) |
| 314 | { |
| 315 | struct pex64_runtime_function rf; |
| 316 | |
| 317 | if (i + PDATA_ROW_SIZE > stop) |
| 318 | break; |
| 319 | pex64_get_runtime_function (abfd, &rf, &pdata[i]); |
| 320 | |
| 321 | if (rf.rva_BeginAddress == 0 && rf.rva_EndAddress == 0 |
| 322 | && rf.rva_UnwindData == 0) |
| 323 | /* We are probably into the padding of the section now. */ |
| 324 | break; |
| 325 | if (rf.rva_UnwindData != 0 && !rf.isChained) |
| 326 | { |
| 327 | if (!ret && rf.rva_UnwindData > cur_address) |
| 328 | ret = rf.rva_UnwindData; |
| 329 | else if (rf.rva_UnwindData > cur_address && ret > rf.rva_UnwindData) |
| 330 | ret = rf.rva_UnwindData; |
| 331 | } |
| 332 | } |
| 333 | if (!ret) |
| 334 | return max_size; |
| 335 | return ret; |
| 336 | } |
| 337 | |
| 338 | static void |
| 339 | pex64_dump_xdata (FILE *file, bfd *abfd, bfd_vma addr, bfd_vma pc_addr, |
| 340 | bfd_size_type stop, int onaline, bfd_byte *pdata) |
| 341 | { |
| 342 | asection *section = pex64_get_section_by_rva (abfd, addr, ".rdata"); |
| 343 | bfd_vma vsize; |
| 344 | bfd_byte *data = NULL; |
| 345 | bfd_vma end_addr; |
| 346 | |
| 347 | if (!section) |
| 348 | section = pex64_get_section_by_rva (abfd, addr, ".data"); |
| 349 | if (!section) |
| 350 | section = pex64_get_section_by_rva (abfd, addr, ".xdata"); |
| 351 | if (!section) |
| 352 | { |
| 353 | section = pex64_get_section_by_rva (abfd, addr, ".pdata"); |
| 354 | if (section) |
| 355 | { |
| 356 | fprintf (file, "\t Shares information with pdata element at 0x"); |
| 357 | fprintf_vma (file, addr + pe_data (abfd)->pe_opthdr.ImageBase); |
| 358 | fprintf (file, ".\n"); |
| 359 | } |
| 360 | } |
| 361 | if (!section) |
| 362 | return; |
| 363 | |
| 364 | vsize = section->vma - pe_data (abfd)->pe_opthdr.ImageBase; |
| 365 | addr -= vsize; |
| 366 | |
| 367 | end_addr = find_next_xdata_or_end (abfd, pdata, stop, onaline, addr + vsize, |
| 368 | vsize + (section->rawsize != 0 ? section->rawsize : section->size)); |
| 369 | |
| 370 | end_addr -= vsize; |
| 371 | if (bfd_malloc_and_get_section (abfd, section, &data)) |
| 372 | { |
| 373 | struct pex64_unwind_info ui; |
| 374 | |
| 375 | if (!data) |
| 376 | return; |
| 377 | |
| 378 | pex64_get_unwind_info (abfd, &ui, &data[addr]); |
| 379 | |
| 380 | if (ui.Version != 1) |
| 381 | { |
| 382 | fprintf (file, "\tVersion %u (unknown).\n", (unsigned int) ui.Version); |
| 383 | return; |
| 384 | } |
| 385 | |
| 386 | fprintf (file, "\tFlags: "); |
| 387 | switch (ui.Flags) |
| 388 | { |
| 389 | case UNW_FLAG_NHANDLER: |
| 390 | fprintf (file, "UNW_FLAG_NHANDLER"); |
| 391 | break; |
| 392 | case UNW_FLAG_EHANDLER: |
| 393 | fprintf (file, "UNW_FLAG_EHANDLER"); |
| 394 | break; |
| 395 | case UNW_FLAG_UHANDLER: |
| 396 | fprintf (file, "UNW_FLAG_UHANDLER"); |
| 397 | break; |
| 398 | case UNW_FLAG_FHANDLER: |
| 399 | fprintf (file, "UNW_FLAG_FHANDLER = (UNW_FLAG_EHANDLER | UNW_FLAG_UHANDLER)"); |
| 400 | break; |
| 401 | case UNW_FLAG_CHAININFO: |
| 402 | fprintf (file, "UNW_FLAG_CHAININFO"); |
| 403 | break; |
| 404 | default: |
| 405 | fprintf (file, "unknown flags value 0x%x", (unsigned int) ui.Flags); |
| 406 | break; |
| 407 | } |
| 408 | fprintf (file, ".\n"); |
| 409 | if (ui.CountOfCodes != 0) |
| 410 | fprintf (file, "\tEntry has %u codes.", (unsigned int) ui.CountOfCodes); |
| 411 | fprintf (file, "\tPrologue size: %u, Frame offset = 0x%x.\n", |
| 412 | (unsigned int) ui.SizeOfPrologue, (unsigned int) ui.FrameOffset); |
| 413 | fprintf (file, "\tFrame register is %s.\n", |
| 414 | ui.FrameRegister == 0 ? "CFA" |
| 415 | : pex_regs[(unsigned int) ui.FrameRegister]); |
| 416 | |
| 417 | pex64_xdata_print_uwd_codes (file, &ui, pc_addr); |
| 418 | |
| 419 | /* Now we need end of this xdata block. */ |
| 420 | addr += ui.SizeOfBlock; |
| 421 | if (addr < end_addr) |
| 422 | { |
| 423 | unsigned int i; |
| 424 | fprintf (file,"\tUser data:\n"); |
| 425 | for (i = 0; addr < end_addr; addr += 1, i++) |
| 426 | { |
| 427 | if ((i & 15) == 0) |
| 428 | fprintf (file, "\t %03x:", i); |
| 429 | fprintf (file, " %02x", data[addr]); |
| 430 | if ((i & 15) == 15) |
| 431 | fprintf (file, "\n"); |
| 432 | } |
| 433 | if ((i & 15) != 0) |
| 434 | fprintf (file, "\n"); |
| 435 | } |
| 436 | } |
| 437 | if (data != NULL) |
| 438 | free (data); |
| 439 | } |
| 440 | |
| 441 | static bfd_boolean |
| 442 | pex64_bfd_print_pdata (bfd *abfd, void *vfile) |
| 443 | { |
| 444 | FILE *file = (FILE *) vfile; |
| 445 | bfd_byte *data = NULL; |
| 446 | asection *section = bfd_get_section_by_name (abfd, ".pdata"); |
| 447 | bfd_size_type datasize = 0; |
| 448 | bfd_size_type i; |
| 449 | bfd_size_type stop; |
| 450 | bfd_vma prev_beginaddress = 0; |
| 451 | int onaline = PDATA_ROW_SIZE; |
| 452 | int seen_error = 0; |
| 453 | |
| 454 | if (section == NULL |
| 455 | || coff_section_data (abfd, section) == NULL |
| 456 | || pei_section_data (abfd, section) == NULL) |
| 457 | return TRUE; |
| 458 | |
| 459 | stop = pei_section_data (abfd, section)->virt_size; |
| 460 | if ((stop % onaline) != 0) |
| 461 | fprintf (file, |
| 462 | _("warning: .pdata section size (%ld) is not a multiple of %d\n"), |
| 463 | (long) stop, onaline); |
| 464 | |
| 465 | fprintf (file, |
| 466 | _("\nThe Function Table (interpreted .pdata section contents)\n")); |
| 467 | |
| 468 | fprintf (file, _("vma:\t\t\tBeginAddress\t EndAddress\t UnwindData\n")); |
| 469 | |
| 470 | datasize = section->size; |
| 471 | if (datasize == 0) |
| 472 | return TRUE; |
| 473 | |
| 474 | if (!bfd_malloc_and_get_section (abfd, section, &data)) |
| 475 | { |
| 476 | if (data != NULL) |
| 477 | free (data); |
| 478 | return FALSE; |
| 479 | } |
| 480 | |
| 481 | /* Do sanity check of pdata. */ |
| 482 | for (i = 0; i < stop; i += onaline) |
| 483 | { |
| 484 | struct pex64_runtime_function rf; |
| 485 | |
| 486 | if (i + PDATA_ROW_SIZE > stop) |
| 487 | break; |
| 488 | pex64_get_runtime_function (abfd, &rf, &data[i]); |
| 489 | |
| 490 | if (rf.rva_BeginAddress == 0 && rf.rva_EndAddress == 0 |
| 491 | && rf.rva_UnwindData == 0) |
| 492 | /* We are probably into the padding of the section now. */ |
| 493 | break; |
| 494 | fputc (' ', file); |
| 495 | fprintf_vma (file, i + section->vma); |
| 496 | fprintf (file, ":\t"); |
| 497 | fprintf_vma (file, rf.rva_BeginAddress); |
| 498 | fputc (' ', file); |
| 499 | fprintf_vma (file, rf.rva_EndAddress); |
| 500 | fputc (' ', file); |
| 501 | fprintf_vma (file, rf.rva_UnwindData); |
| 502 | fprintf (file, "\n"); |
| 503 | if (i != 0 && rf.rva_BeginAddress <= prev_beginaddress) |
| 504 | { |
| 505 | seen_error = 1; |
| 506 | fprintf (file, " has %s begin address as predecessor\n", |
| 507 | (rf.rva_BeginAddress < prev_beginaddress ? "smaller" : "same")); |
| 508 | } |
| 509 | prev_beginaddress = rf.rva_BeginAddress; |
| 510 | /* Now we check for negative addresses. */ |
| 511 | if ((prev_beginaddress & 0x80000000) != 0) |
| 512 | { |
| 513 | seen_error = 1; |
| 514 | fprintf (file, " has negative begin address\n"); |
| 515 | } |
| 516 | if ((rf.rva_EndAddress & 0x80000000) != 0) |
| 517 | { |
| 518 | seen_error = 1; |
| 519 | fprintf (file, " has negative end address\n"); |
| 520 | } |
| 521 | if ((rf.rva_UnwindData & 0x80000000) != 0) |
| 522 | { |
| 523 | seen_error = 1; |
| 524 | fprintf (file, " has negative unwind address\n"); |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | if (seen_error) |
| 529 | { |
| 530 | free (data); |
| 531 | |
| 532 | return TRUE; |
| 533 | } |
| 534 | /* Do dump of pdata related xdata. */ |
| 535 | |
| 536 | for (i = 0; i < stop; i += onaline) |
| 537 | { |
| 538 | struct pex64_runtime_function rf; |
| 539 | |
| 540 | if (i + PDATA_ROW_SIZE > stop) |
| 541 | break; |
| 542 | pex64_get_runtime_function (abfd, &rf, &data[i]); |
| 543 | |
| 544 | if (rf.rva_BeginAddress == 0 && rf.rva_EndAddress == 0 |
| 545 | && rf.rva_UnwindData == 0) |
| 546 | /* We are probably into the padding of the section now. */ |
| 547 | break; |
| 548 | if (i == 0) |
| 549 | fprintf (file, "\nDump of .xdata\n"); |
| 550 | fputc (' ', file); |
| 551 | fprintf_vma (file, rf.rva_UnwindData); |
| 552 | fprintf (file, ":\n"); |
| 553 | |
| 554 | rf.rva_BeginAddress += pe_data (abfd)->pe_opthdr.ImageBase; |
| 555 | rf.rva_EndAddress += pe_data (abfd)->pe_opthdr.ImageBase; |
| 556 | |
| 557 | if (rf.rva_UnwindData != 0) |
| 558 | { |
| 559 | if (rf.isChained) |
| 560 | { |
| 561 | fprintf (file, "\t shares information with pdata element at 0x"); |
| 562 | fprintf_vma (file, rf.rva_UnwindData); |
| 563 | fprintf (file, ".\n"); |
| 564 | } |
| 565 | else |
| 566 | pex64_dump_xdata (file, abfd, rf.rva_UnwindData, rf.rva_BeginAddress, |
| 567 | stop, onaline, data); |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | free (data); |
| 572 | |
| 573 | return TRUE; |
| 574 | } |
| 575 | |
| 576 | #define bfd_pe_print_pdata pex64_bfd_print_pdata |
| 577 | |
| 578 | #include "coff-x86_64.c" |