1 /* Target-dependent code for GNU/Linux x86-64. 2 3 Copyright (C) 2001-2015 Free Software Foundation, Inc. 4 Contributed by Jiri Smid, SuSE Labs. 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 20 21 #include "defs.h" 22 #include "arch-utils.h" 23 #include "frame.h" 24 #include "gdbcore.h" 25 #include "regcache.h" 26 #include "osabi.h" 27 #include "symtab.h" 28 #include "gdbtypes.h" 29 #include "reggroups.h" 30 #include "regset.h" 31 #include "amd64-linux-tdep.h" 32 #include "i386-linux-tdep.h" 33 #include "linux-tdep.h" 34 #include "x86-xstate.h" 35 36 #include "amd64-tdep.h" 37 #include "solib-svr4.h" 38 #include "xml-syscall.h" 39 #include "glibc-tdep.h" 40 41 #include "features/i386/amd64-linux.c" 42 #include "features/i386/amd64-avx-linux.c" 43 #include "features/i386/amd64-mpx-linux.c" 44 #include "features/i386/amd64-avx512-linux.c" 45 46 #include "features/i386/x32-linux.c" 47 #include "features/i386/x32-avx-linux.c" 48 #include "features/i386/x32-avx512-linux.c" 49 50 /* The syscall's XML filename for i386. */ 51 #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml" 52 53 #include "record-full.h" 54 #include "linux-record.h" 55 56 /* Mapping between the general-purpose registers in `struct user' 57 format and GDB's register cache layout. */ 58 59 /* From <sys/reg.h>. */ 60 int amd64_linux_gregset_reg_offset[] = 61 { 62 10 * 8, /* %rax */ 63 5 * 8, /* %rbx */ 64 11 * 8, /* %rcx */ 65 12 * 8, /* %rdx */ 66 13 * 8, /* %rsi */ 67 14 * 8, /* %rdi */ 68 4 * 8, /* %rbp */ 69 19 * 8, /* %rsp */ 70 9 * 8, /* %r8 ... */ 71 8 * 8, 72 7 * 8, 73 6 * 8, 74 3 * 8, 75 2 * 8, 76 1 * 8, 77 0 * 8, /* ... %r15 */ 78 16 * 8, /* %rip */ 79 18 * 8, /* %eflags */ 80 17 * 8, /* %cs */ 81 20 * 8, /* %ss */ 82 23 * 8, /* %ds */ 83 24 * 8, /* %es */ 84 25 * 8, /* %fs */ 85 26 * 8, /* %gs */ 86 -1, -1, -1, -1, -1, -1, -1, -1, 87 -1, -1, -1, -1, -1, -1, -1, -1, 88 -1, -1, -1, -1, -1, -1, -1, -1, 89 -1, -1, -1, -1, -1, -1, -1, -1, -1, 90 -1, -1, -1, -1, -1, -1, -1, -1, 91 -1, -1, -1, -1, -1, -1, -1, -1, 92 -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */ 93 -1, -1, /* MPX registers BNDCFGU and BNDSTATUS. */ 94 -1, -1, -1, -1, -1, -1, -1, -1, /* xmm16 ... xmm31 (AVX512) */ 95 -1, -1, -1, -1, -1, -1, -1, -1, 96 -1, -1, -1, -1, -1, -1, -1, -1, /* ymm16 ... ymm31 (AVX512) */ 97 -1, -1, -1, -1, -1, -1, -1, -1, 98 -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */ 99 -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm31 (AVX512) */ 100 -1, -1, -1, -1, -1, -1, -1, -1, 101 -1, -1, -1, -1, -1, -1, -1, -1, 102 -1, -1, -1, -1, -1, -1, -1, -1, 103 15 * 8 /* "orig_rax" */ 104 }; 105 106 107 /* Support for signal handlers. */ 108 109 #define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */ 110 #define LINUX_SIGTRAMP_OFFSET0 0 111 #define LINUX_SIGTRAMP_INSN1 0x0f /* syscall */ 112 #define LINUX_SIGTRAMP_OFFSET1 7 113 114 static const gdb_byte amd64_linux_sigtramp_code[] = 115 { 116 /* mov $__NR_rt_sigreturn, %rax */ 117 LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00, 118 /* syscall */ 119 LINUX_SIGTRAMP_INSN1, 0x05 120 }; 121 122 static const gdb_byte amd64_x32_linux_sigtramp_code[] = 123 { 124 /* mov $__NR_rt_sigreturn, %rax. */ 125 LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x01, 0x02, 0x00, 0x40, 126 /* syscall */ 127 LINUX_SIGTRAMP_INSN1, 0x05 128 }; 129 130 #define LINUX_SIGTRAMP_LEN (sizeof amd64_linux_sigtramp_code) 131 132 /* If PC is in a sigtramp routine, return the address of the start of 133 the routine. Otherwise, return 0. */ 134 135 static CORE_ADDR 136 amd64_linux_sigtramp_start (struct frame_info *this_frame) 137 { 138 struct gdbarch *gdbarch; 139 const gdb_byte *sigtramp_code; 140 CORE_ADDR pc = get_frame_pc (this_frame); 141 gdb_byte buf[LINUX_SIGTRAMP_LEN]; 142 143 /* We only recognize a signal trampoline if PC is at the start of 144 one of the two instructions. We optimize for finding the PC at 145 the start, as will be the case when the trampoline is not the 146 first frame on the stack. We assume that in the case where the 147 PC is not at the start of the instruction sequence, there will be 148 a few trailing readable bytes on the stack. */ 149 150 if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf)) 151 return 0; 152 153 if (buf[0] != LINUX_SIGTRAMP_INSN0) 154 { 155 if (buf[0] != LINUX_SIGTRAMP_INSN1) 156 return 0; 157 158 pc -= LINUX_SIGTRAMP_OFFSET1; 159 if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf)) 160 return 0; 161 } 162 163 gdbarch = get_frame_arch (this_frame); 164 if (gdbarch_ptr_bit (gdbarch) == 32) 165 sigtramp_code = amd64_x32_linux_sigtramp_code; 166 else 167 sigtramp_code = amd64_linux_sigtramp_code; 168 if (memcmp (buf, sigtramp_code, LINUX_SIGTRAMP_LEN) != 0) 169 return 0; 170 171 return pc; 172 } 173 174 /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp 175 routine. */ 176 177 static int 178 amd64_linux_sigtramp_p (struct frame_info *this_frame) 179 { 180 CORE_ADDR pc = get_frame_pc (this_frame); 181 const char *name; 182 183 find_pc_partial_function (pc, &name, NULL, NULL); 184 185 /* If we have NAME, we can optimize the search. The trampoline is 186 named __restore_rt. However, it isn't dynamically exported from 187 the shared C library, so the trampoline may appear to be part of 188 the preceding function. This should always be sigaction, 189 __sigaction, or __libc_sigaction (all aliases to the same 190 function). */ 191 if (name == NULL || strstr (name, "sigaction") != NULL) 192 return (amd64_linux_sigtramp_start (this_frame) != 0); 193 194 return (strcmp ("__restore_rt", name) == 0); 195 } 196 197 /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */ 198 #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40 199 200 /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the 201 address of the associated sigcontext structure. */ 202 203 static CORE_ADDR 204 amd64_linux_sigcontext_addr (struct frame_info *this_frame) 205 { 206 struct gdbarch *gdbarch = get_frame_arch (this_frame); 207 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); 208 CORE_ADDR sp; 209 gdb_byte buf[8]; 210 211 get_frame_register (this_frame, AMD64_RSP_REGNUM, buf); 212 sp = extract_unsigned_integer (buf, 8, byte_order); 213 214 /* The sigcontext structure is part of the user context. A pointer 215 to the user context is passed as the third argument to the signal 216 handler, i.e. in %rdx. Unfortunately %rdx isn't preserved across 217 function calls so we can't use it. Fortunately the user context 218 is part of the signal frame and the unwound %rsp directly points 219 at it. */ 220 return sp + AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET; 221 } 222 223 224 static LONGEST 225 amd64_linux_get_syscall_number (struct gdbarch *gdbarch, 226 ptid_t ptid) 227 { 228 struct regcache *regcache = get_thread_regcache (ptid); 229 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); 230 /* The content of a register. */ 231 gdb_byte buf[8]; 232 /* The result. */ 233 LONGEST ret; 234 235 /* Getting the system call number from the register. 236 When dealing with x86_64 architecture, this information 237 is stored at %rax register. */ 238 regcache_cooked_read (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, buf); 239 240 ret = extract_signed_integer (buf, 8, byte_order); 241 242 return ret; 243 } 244 245 246 /* From <asm/sigcontext.h>. */ 247 static int amd64_linux_sc_reg_offset[] = 248 { 249 13 * 8, /* %rax */ 250 11 * 8, /* %rbx */ 251 14 * 8, /* %rcx */ 252 12 * 8, /* %rdx */ 253 9 * 8, /* %rsi */ 254 8 * 8, /* %rdi */ 255 10 * 8, /* %rbp */ 256 15 * 8, /* %rsp */ 257 0 * 8, /* %r8 */ 258 1 * 8, /* %r9 */ 259 2 * 8, /* %r10 */ 260 3 * 8, /* %r11 */ 261 4 * 8, /* %r12 */ 262 5 * 8, /* %r13 */ 263 6 * 8, /* %r14 */ 264 7 * 8, /* %r15 */ 265 16 * 8, /* %rip */ 266 17 * 8, /* %eflags */ 267 268 /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are 269 available in `struct sigcontext'. However, they only occupy two 270 bytes instead of four, which makes using them here rather 271 difficult. Leave them out for now. */ 272 -1, /* %cs */ 273 -1, /* %ss */ 274 -1, /* %ds */ 275 -1, /* %es */ 276 -1, /* %fs */ 277 -1 /* %gs */ 278 }; 279 280 static int 281 amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum, 282 struct reggroup *group) 283 { 284 if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM) 285 return (group == system_reggroup 286 || group == save_reggroup 287 || group == restore_reggroup); 288 return i386_register_reggroup_p (gdbarch, regnum, group); 289 } 290 291 /* Set the program counter for process PTID to PC. */ 292 293 static void 294 amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) 295 { 296 regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc); 297 298 /* We must be careful with modifying the program counter. If we 299 just interrupted a system call, the kernel might try to restart 300 it when we resume the inferior. On restarting the system call, 301 the kernel will try backing up the program counter even though it 302 no longer points at the system call. This typically results in a 303 SIGSEGV or SIGILL. We can prevent this by writing `-1' in the 304 "orig_rax" pseudo-register. 305 306 Note that "orig_rax" is saved when setting up a dummy call frame. 307 This means that it is properly restored when that frame is 308 popped, and that the interrupted system call will be restarted 309 when we resume the inferior on return from a function call from 310 within GDB. In all other cases the system call will not be 311 restarted. */ 312 regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1); 313 } 314 315 /* Record all registers but IP register for process-record. */ 316 317 static int 318 amd64_all_but_ip_registers_record (struct regcache *regcache) 319 { 320 if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM)) 321 return -1; 322 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) 323 return -1; 324 if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM)) 325 return -1; 326 if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM)) 327 return -1; 328 if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM)) 329 return -1; 330 if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM)) 331 return -1; 332 if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM)) 333 return -1; 334 if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM)) 335 return -1; 336 if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM)) 337 return -1; 338 if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM)) 339 return -1; 340 if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM)) 341 return -1; 342 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) 343 return -1; 344 if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM)) 345 return -1; 346 if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM)) 347 return -1; 348 if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM)) 349 return -1; 350 if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM)) 351 return -1; 352 if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM)) 353 return -1; 354 355 return 0; 356 } 357 358 /* amd64_canonicalize_syscall maps from the native amd64 Linux set 359 of syscall ids into a canonical set of syscall ids used by 360 process record. */ 361 362 static enum gdb_syscall 363 amd64_canonicalize_syscall (enum amd64_syscall syscall_number) 364 { 365 switch (syscall_number) { 366 case amd64_sys_read: 367 case amd64_x32_sys_read: 368 return gdb_sys_read; 369 370 case amd64_sys_write: 371 case amd64_x32_sys_write: 372 return gdb_sys_write; 373 374 case amd64_sys_open: 375 case amd64_x32_sys_open: 376 return gdb_sys_open; 377 378 case amd64_sys_close: 379 case amd64_x32_sys_close: 380 return gdb_sys_close; 381 382 case amd64_sys_newstat: 383 case amd64_x32_sys_newstat: 384 return gdb_sys_newstat; 385 386 case amd64_sys_newfstat: 387 case amd64_x32_sys_newfstat: 388 return gdb_sys_newfstat; 389 390 case amd64_sys_newlstat: 391 case amd64_x32_sys_newlstat: 392 return gdb_sys_newlstat; 393 394 case amd64_sys_poll: 395 case amd64_x32_sys_poll: 396 return gdb_sys_poll; 397 398 case amd64_sys_lseek: 399 case amd64_x32_sys_lseek: 400 return gdb_sys_lseek; 401 402 case amd64_sys_mmap: 403 case amd64_x32_sys_mmap: 404 return gdb_sys_mmap2; 405 406 case amd64_sys_mprotect: 407 case amd64_x32_sys_mprotect: 408 return gdb_sys_mprotect; 409 410 case amd64_sys_munmap: 411 case amd64_x32_sys_munmap: 412 return gdb_sys_munmap; 413 414 case amd64_sys_brk: 415 case amd64_x32_sys_brk: 416 return gdb_sys_brk; 417 418 case amd64_sys_rt_sigaction: 419 case amd64_x32_sys_rt_sigaction: 420 return gdb_sys_rt_sigaction; 421 422 case amd64_sys_rt_sigprocmask: 423 case amd64_x32_sys_rt_sigprocmask: 424 return gdb_sys_rt_sigprocmask; 425 426 case amd64_sys_rt_sigreturn: 427 case amd64_x32_sys_rt_sigreturn: 428 return gdb_sys_rt_sigreturn; 429 430 case amd64_sys_ioctl: 431 case amd64_x32_sys_ioctl: 432 return gdb_sys_ioctl; 433 434 case amd64_sys_pread64: 435 case amd64_x32_sys_pread64: 436 return gdb_sys_pread64; 437 438 case amd64_sys_pwrite64: 439 case amd64_x32_sys_pwrite64: 440 return gdb_sys_pwrite64; 441 442 case amd64_sys_readv: 443 case amd64_x32_sys_readv: 444 return gdb_sys_readv; 445 446 case amd64_sys_writev: 447 case amd64_x32_sys_writev: 448 return gdb_sys_writev; 449 450 case amd64_sys_access: 451 case amd64_x32_sys_access: 452 return gdb_sys_access; 453 454 case amd64_sys_pipe: 455 case amd64_x32_sys_pipe: 456 return gdb_sys_pipe; 457 458 case amd64_sys_select: 459 case amd64_x32_sys_select: 460 return gdb_sys_select; 461 462 case amd64_sys_sched_yield: 463 case amd64_x32_sys_sched_yield: 464 return gdb_sys_sched_yield; 465 466 case amd64_sys_mremap: 467 case amd64_x32_sys_mremap: 468 return gdb_sys_mremap; 469 470 case amd64_sys_msync: 471 case amd64_x32_sys_msync: 472 return gdb_sys_msync; 473 474 case amd64_sys_mincore: 475 case amd64_x32_sys_mincore: 476 return gdb_sys_mincore; 477 478 case amd64_sys_madvise: 479 case amd64_x32_sys_madvise: 480 return gdb_sys_madvise; 481 482 case amd64_sys_shmget: 483 case amd64_x32_sys_shmget: 484 return gdb_sys_shmget; 485 486 case amd64_sys_shmat: 487 case amd64_x32_sys_shmat: 488 return gdb_sys_shmat; 489 490 case amd64_sys_shmctl: 491 case amd64_x32_sys_shmctl: 492 return gdb_sys_shmctl; 493 494 case amd64_sys_dup: 495 case amd64_x32_sys_dup: 496 return gdb_sys_dup; 497 498 case amd64_sys_dup2: 499 case amd64_x32_sys_dup2: 500 return gdb_sys_dup2; 501 502 case amd64_sys_pause: 503 case amd64_x32_sys_pause: 504 return gdb_sys_pause; 505 506 case amd64_sys_nanosleep: 507 case amd64_x32_sys_nanosleep: 508 return gdb_sys_nanosleep; 509 510 case amd64_sys_getitimer: 511 case amd64_x32_sys_getitimer: 512 return gdb_sys_getitimer; 513 514 case amd64_sys_alarm: 515 case amd64_x32_sys_alarm: 516 return gdb_sys_alarm; 517 518 case amd64_sys_setitimer: 519 case amd64_x32_sys_setitimer: 520 return gdb_sys_setitimer; 521 522 case amd64_sys_getpid: 523 case amd64_x32_sys_getpid: 524 return gdb_sys_getpid; 525 526 case amd64_sys_sendfile64: 527 case amd64_x32_sys_sendfile64: 528 return gdb_sys_sendfile64; 529 530 case amd64_sys_socket: 531 case amd64_x32_sys_socket: 532 return gdb_sys_socket; 533 534 case amd64_sys_connect: 535 case amd64_x32_sys_connect: 536 return gdb_sys_connect; 537 538 case amd64_sys_accept: 539 case amd64_x32_sys_accept: 540 return gdb_sys_accept; 541 542 case amd64_sys_sendto: 543 case amd64_x32_sys_sendto: 544 return gdb_sys_sendto; 545 546 case amd64_sys_recvfrom: 547 case amd64_x32_sys_recvfrom: 548 return gdb_sys_recvfrom; 549 550 case amd64_sys_sendmsg: 551 case amd64_x32_sys_sendmsg: 552 return gdb_sys_sendmsg; 553 554 case amd64_sys_recvmsg: 555 case amd64_x32_sys_recvmsg: 556 return gdb_sys_recvmsg; 557 558 case amd64_sys_shutdown: 559 case amd64_x32_sys_shutdown: 560 return gdb_sys_shutdown; 561 562 case amd64_sys_bind: 563 case amd64_x32_sys_bind: 564 return gdb_sys_bind; 565 566 case amd64_sys_listen: 567 case amd64_x32_sys_listen: 568 return gdb_sys_listen; 569 570 case amd64_sys_getsockname: 571 case amd64_x32_sys_getsockname: 572 return gdb_sys_getsockname; 573 574 case amd64_sys_getpeername: 575 case amd64_x32_sys_getpeername: 576 return gdb_sys_getpeername; 577 578 case amd64_sys_socketpair: 579 case amd64_x32_sys_socketpair: 580 return gdb_sys_socketpair; 581 582 case amd64_sys_setsockopt: 583 case amd64_x32_sys_setsockopt: 584 return gdb_sys_setsockopt; 585 586 case amd64_sys_getsockopt: 587 case amd64_x32_sys_getsockopt: 588 return gdb_sys_getsockopt; 589 590 case amd64_sys_clone: 591 case amd64_x32_sys_clone: 592 return gdb_sys_clone; 593 594 case amd64_sys_fork: 595 case amd64_x32_sys_fork: 596 return gdb_sys_fork; 597 598 case amd64_sys_vfork: 599 case amd64_x32_sys_vfork: 600 return gdb_sys_vfork; 601 602 case amd64_sys_execve: 603 case amd64_x32_sys_execve: 604 return gdb_sys_execve; 605 606 case amd64_sys_exit: 607 case amd64_x32_sys_exit: 608 return gdb_sys_exit; 609 610 case amd64_sys_wait4: 611 case amd64_x32_sys_wait4: 612 return gdb_sys_wait4; 613 614 case amd64_sys_kill: 615 case amd64_x32_sys_kill: 616 return gdb_sys_kill; 617 618 case amd64_sys_uname: 619 case amd64_x32_sys_uname: 620 return gdb_sys_uname; 621 622 case amd64_sys_semget: 623 case amd64_x32_sys_semget: 624 return gdb_sys_semget; 625 626 case amd64_sys_semop: 627 case amd64_x32_sys_semop: 628 return gdb_sys_semop; 629 630 case amd64_sys_semctl: 631 case amd64_x32_sys_semctl: 632 return gdb_sys_semctl; 633 634 case amd64_sys_shmdt: 635 case amd64_x32_sys_shmdt: 636 return gdb_sys_shmdt; 637 638 case amd64_sys_msgget: 639 case amd64_x32_sys_msgget: 640 return gdb_sys_msgget; 641 642 case amd64_sys_msgsnd: 643 case amd64_x32_sys_msgsnd: 644 return gdb_sys_msgsnd; 645 646 case amd64_sys_msgrcv: 647 case amd64_x32_sys_msgrcv: 648 return gdb_sys_msgrcv; 649 650 case amd64_sys_msgctl: 651 case amd64_x32_sys_msgctl: 652 return gdb_sys_msgctl; 653 654 case amd64_sys_fcntl: 655 case amd64_x32_sys_fcntl: 656 return gdb_sys_fcntl; 657 658 case amd64_sys_flock: 659 case amd64_x32_sys_flock: 660 return gdb_sys_flock; 661 662 case amd64_sys_fsync: 663 case amd64_x32_sys_fsync: 664 return gdb_sys_fsync; 665 666 case amd64_sys_fdatasync: 667 case amd64_x32_sys_fdatasync: 668 return gdb_sys_fdatasync; 669 670 case amd64_sys_truncate: 671 case amd64_x32_sys_truncate: 672 return gdb_sys_truncate; 673 674 case amd64_sys_ftruncate: 675 case amd64_x32_sys_ftruncate: 676 return gdb_sys_ftruncate; 677 678 case amd64_sys_getdents: 679 case amd64_x32_sys_getdents: 680 return gdb_sys_getdents; 681 682 case amd64_sys_getcwd: 683 case amd64_x32_sys_getcwd: 684 return gdb_sys_getcwd; 685 686 case amd64_sys_chdir: 687 case amd64_x32_sys_chdir: 688 return gdb_sys_chdir; 689 690 case amd64_sys_fchdir: 691 case amd64_x32_sys_fchdir: 692 return gdb_sys_fchdir; 693 694 case amd64_sys_rename: 695 case amd64_x32_sys_rename: 696 return gdb_sys_rename; 697 698 case amd64_sys_mkdir: 699 case amd64_x32_sys_mkdir: 700 return gdb_sys_mkdir; 701 702 case amd64_sys_rmdir: 703 case amd64_x32_sys_rmdir: 704 return gdb_sys_rmdir; 705 706 case amd64_sys_creat: 707 case amd64_x32_sys_creat: 708 return gdb_sys_creat; 709 710 case amd64_sys_link: 711 case amd64_x32_sys_link: 712 return gdb_sys_link; 713 714 case amd64_sys_unlink: 715 case amd64_x32_sys_unlink: 716 return gdb_sys_unlink; 717 718 case amd64_sys_symlink: 719 case amd64_x32_sys_symlink: 720 return gdb_sys_symlink; 721 722 case amd64_sys_readlink: 723 case amd64_x32_sys_readlink: 724 return gdb_sys_readlink; 725 726 case amd64_sys_chmod: 727 case amd64_x32_sys_chmod: 728 return gdb_sys_chmod; 729 730 case amd64_sys_fchmod: 731 case amd64_x32_sys_fchmod: 732 return gdb_sys_fchmod; 733 734 case amd64_sys_chown: 735 case amd64_x32_sys_chown: 736 return gdb_sys_chown; 737 738 case amd64_sys_fchown: 739 case amd64_x32_sys_fchown: 740 return gdb_sys_fchown; 741 742 case amd64_sys_lchown: 743 case amd64_x32_sys_lchown: 744 return gdb_sys_lchown; 745 746 case amd64_sys_umask: 747 case amd64_x32_sys_umask: 748 return gdb_sys_umask; 749 750 case amd64_sys_gettimeofday: 751 case amd64_x32_sys_gettimeofday: 752 return gdb_sys_gettimeofday; 753 754 case amd64_sys_getrlimit: 755 case amd64_x32_sys_getrlimit: 756 return gdb_sys_getrlimit; 757 758 case amd64_sys_getrusage: 759 case amd64_x32_sys_getrusage: 760 return gdb_sys_getrusage; 761 762 case amd64_sys_sysinfo: 763 case amd64_x32_sys_sysinfo: 764 return gdb_sys_sysinfo; 765 766 case amd64_sys_times: 767 case amd64_x32_sys_times: 768 return gdb_sys_times; 769 770 case amd64_sys_ptrace: 771 case amd64_x32_sys_ptrace: 772 return gdb_sys_ptrace; 773 774 case amd64_sys_getuid: 775 case amd64_x32_sys_getuid: 776 return gdb_sys_getuid; 777 778 case amd64_sys_syslog: 779 case amd64_x32_sys_syslog: 780 return gdb_sys_syslog; 781 782 case amd64_sys_getgid: 783 case amd64_x32_sys_getgid: 784 return gdb_sys_getgid; 785 786 case amd64_sys_setuid: 787 case amd64_x32_sys_setuid: 788 return gdb_sys_setuid; 789 790 case amd64_sys_setgid: 791 case amd64_x32_sys_setgid: 792 return gdb_sys_setgid; 793 794 case amd64_sys_geteuid: 795 case amd64_x32_sys_geteuid: 796 return gdb_sys_geteuid; 797 798 case amd64_sys_getegid: 799 case amd64_x32_sys_getegid: 800 return gdb_sys_getegid; 801 802 case amd64_sys_setpgid: 803 case amd64_x32_sys_setpgid: 804 return gdb_sys_setpgid; 805 806 case amd64_sys_getppid: 807 case amd64_x32_sys_getppid: 808 return gdb_sys_getppid; 809 810 case amd64_sys_getpgrp: 811 case amd64_x32_sys_getpgrp: 812 return gdb_sys_getpgrp; 813 814 case amd64_sys_setsid: 815 case amd64_x32_sys_setsid: 816 return gdb_sys_setsid; 817 818 case amd64_sys_setreuid: 819 case amd64_x32_sys_setreuid: 820 return gdb_sys_setreuid; 821 822 case amd64_sys_setregid: 823 case amd64_x32_sys_setregid: 824 return gdb_sys_setregid; 825 826 case amd64_sys_getgroups: 827 case amd64_x32_sys_getgroups: 828 return gdb_sys_getgroups; 829 830 case amd64_sys_setgroups: 831 case amd64_x32_sys_setgroups: 832 return gdb_sys_setgroups; 833 834 case amd64_sys_setresuid: 835 case amd64_x32_sys_setresuid: 836 return gdb_sys_setresuid; 837 838 case amd64_sys_getresuid: 839 case amd64_x32_sys_getresuid: 840 return gdb_sys_getresuid; 841 842 case amd64_sys_setresgid: 843 case amd64_x32_sys_setresgid: 844 return gdb_sys_setresgid; 845 846 case amd64_sys_getresgid: 847 case amd64_x32_sys_getresgid: 848 return gdb_sys_getresgid; 849 850 case amd64_sys_getpgid: 851 case amd64_x32_sys_getpgid: 852 return gdb_sys_getpgid; 853 854 case amd64_sys_setfsuid: 855 case amd64_x32_sys_setfsuid: 856 return gdb_sys_setfsuid; 857 858 case amd64_sys_setfsgid: 859 case amd64_x32_sys_setfsgid: 860 return gdb_sys_setfsgid; 861 862 case amd64_sys_getsid: 863 case amd64_x32_sys_getsid: 864 return gdb_sys_getsid; 865 866 case amd64_sys_capget: 867 case amd64_x32_sys_capget: 868 return gdb_sys_capget; 869 870 case amd64_sys_capset: 871 case amd64_x32_sys_capset: 872 return gdb_sys_capset; 873 874 case amd64_sys_rt_sigpending: 875 case amd64_x32_sys_rt_sigpending: 876 return gdb_sys_rt_sigpending; 877 878 case amd64_sys_rt_sigtimedwait: 879 case amd64_x32_sys_rt_sigtimedwait: 880 return gdb_sys_rt_sigtimedwait; 881 882 case amd64_sys_rt_sigqueueinfo: 883 case amd64_x32_sys_rt_sigqueueinfo: 884 return gdb_sys_rt_sigqueueinfo; 885 886 case amd64_sys_rt_sigsuspend: 887 case amd64_x32_sys_rt_sigsuspend: 888 return gdb_sys_rt_sigsuspend; 889 890 case amd64_sys_sigaltstack: 891 case amd64_x32_sys_sigaltstack: 892 return gdb_sys_sigaltstack; 893 894 case amd64_sys_utime: 895 case amd64_x32_sys_utime: 896 return gdb_sys_utime; 897 898 case amd64_sys_mknod: 899 case amd64_x32_sys_mknod: 900 return gdb_sys_mknod; 901 902 case amd64_sys_personality: 903 case amd64_x32_sys_personality: 904 return gdb_sys_personality; 905 906 case amd64_sys_ustat: 907 case amd64_x32_sys_ustat: 908 return gdb_sys_ustat; 909 910 case amd64_sys_statfs: 911 case amd64_x32_sys_statfs: 912 return gdb_sys_statfs; 913 914 case amd64_sys_fstatfs: 915 case amd64_x32_sys_fstatfs: 916 return gdb_sys_fstatfs; 917 918 case amd64_sys_sysfs: 919 case amd64_x32_sys_sysfs: 920 return gdb_sys_sysfs; 921 922 case amd64_sys_getpriority: 923 case amd64_x32_sys_getpriority: 924 return gdb_sys_getpriority; 925 926 case amd64_sys_setpriority: 927 case amd64_x32_sys_setpriority: 928 return gdb_sys_setpriority; 929 930 case amd64_sys_sched_setparam: 931 case amd64_x32_sys_sched_setparam: 932 return gdb_sys_sched_setparam; 933 934 case amd64_sys_sched_getparam: 935 case amd64_x32_sys_sched_getparam: 936 return gdb_sys_sched_getparam; 937 938 case amd64_sys_sched_setscheduler: 939 case amd64_x32_sys_sched_setscheduler: 940 return gdb_sys_sched_setscheduler; 941 942 case amd64_sys_sched_getscheduler: 943 case amd64_x32_sys_sched_getscheduler: 944 return gdb_sys_sched_getscheduler; 945 946 case amd64_sys_sched_get_priority_max: 947 case amd64_x32_sys_sched_get_priority_max: 948 return gdb_sys_sched_get_priority_max; 949 950 case amd64_sys_sched_get_priority_min: 951 case amd64_x32_sys_sched_get_priority_min: 952 return gdb_sys_sched_get_priority_min; 953 954 case amd64_sys_sched_rr_get_interval: 955 case amd64_x32_sys_sched_rr_get_interval: 956 return gdb_sys_sched_rr_get_interval; 957 958 case amd64_sys_mlock: 959 case amd64_x32_sys_mlock: 960 return gdb_sys_mlock; 961 962 case amd64_sys_munlock: 963 case amd64_x32_sys_munlock: 964 return gdb_sys_munlock; 965 966 case amd64_sys_mlockall: 967 case amd64_x32_sys_mlockall: 968 return gdb_sys_mlockall; 969 970 case amd64_sys_munlockall: 971 case amd64_x32_sys_munlockall: 972 return gdb_sys_munlockall; 973 974 case amd64_sys_vhangup: 975 case amd64_x32_sys_vhangup: 976 return gdb_sys_vhangup; 977 978 case amd64_sys_modify_ldt: 979 case amd64_x32_sys_modify_ldt: 980 return gdb_sys_modify_ldt; 981 982 case amd64_sys_pivot_root: 983 case amd64_x32_sys_pivot_root: 984 return gdb_sys_pivot_root; 985 986 case amd64_sys_sysctl: 987 case amd64_x32_sys_sysctl: 988 return gdb_sys_sysctl; 989 990 case amd64_sys_prctl: 991 case amd64_x32_sys_prctl: 992 return gdb_sys_prctl; 993 994 case amd64_sys_arch_prctl: 995 case amd64_x32_sys_arch_prctl: 996 return -1; /* Note */ 997 998 case amd64_sys_adjtimex: 999 case amd64_x32_sys_adjtimex: 1000 return gdb_sys_adjtimex; 1001 1002 case amd64_sys_setrlimit: 1003 case amd64_x32_sys_setrlimit: 1004 return gdb_sys_setrlimit; 1005 1006 case amd64_sys_chroot: 1007 case amd64_x32_sys_chroot: 1008 return gdb_sys_chroot; 1009 1010 case amd64_sys_sync: 1011 case amd64_x32_sys_sync: 1012 return gdb_sys_sync; 1013 1014 case amd64_sys_acct: 1015 case amd64_x32_sys_acct: 1016 return gdb_sys_acct; 1017 1018 case amd64_sys_settimeofday: 1019 case amd64_x32_sys_settimeofday: 1020 return gdb_sys_settimeofday; 1021 1022 case amd64_sys_mount: 1023 case amd64_x32_sys_mount: 1024 return gdb_sys_mount; 1025 1026 case amd64_sys_umount: 1027 case amd64_x32_sys_umount: 1028 return gdb_sys_umount; 1029 1030 case amd64_sys_swapon: 1031 case amd64_x32_sys_swapon: 1032 return gdb_sys_swapon; 1033 1034 case amd64_sys_swapoff: 1035 case amd64_x32_sys_swapoff: 1036 return gdb_sys_swapoff; 1037 1038 case amd64_sys_reboot: 1039 case amd64_x32_sys_reboot: 1040 return gdb_sys_reboot; 1041 1042 case amd64_sys_sethostname: 1043 case amd64_x32_sys_sethostname: 1044 return gdb_sys_sethostname; 1045 1046 case amd64_sys_setdomainname: 1047 case amd64_x32_sys_setdomainname: 1048 return gdb_sys_setdomainname; 1049 1050 case amd64_sys_iopl: 1051 case amd64_x32_sys_iopl: 1052 return gdb_sys_iopl; 1053 1054 case amd64_sys_ioperm: 1055 case amd64_x32_sys_ioperm: 1056 return gdb_sys_ioperm; 1057 1058 case amd64_sys_init_module: 1059 case amd64_x32_sys_init_module: 1060 return gdb_sys_init_module; 1061 1062 case amd64_sys_delete_module: 1063 case amd64_x32_sys_delete_module: 1064 return gdb_sys_delete_module; 1065 1066 case amd64_sys_quotactl: 1067 case amd64_x32_sys_quotactl: 1068 return gdb_sys_quotactl; 1069 1070 case amd64_sys_nfsservctl: 1071 return gdb_sys_nfsservctl; 1072 1073 case amd64_sys_gettid: 1074 case amd64_x32_sys_gettid: 1075 return gdb_sys_gettid; 1076 1077 case amd64_sys_readahead: 1078 case amd64_x32_sys_readahead: 1079 return gdb_sys_readahead; 1080 1081 case amd64_sys_setxattr: 1082 case amd64_x32_sys_setxattr: 1083 return gdb_sys_setxattr; 1084 1085 case amd64_sys_lsetxattr: 1086 case amd64_x32_sys_lsetxattr: 1087 return gdb_sys_lsetxattr; 1088 1089 case amd64_sys_fsetxattr: 1090 case amd64_x32_sys_fsetxattr: 1091 return gdb_sys_fsetxattr; 1092 1093 case amd64_sys_getxattr: 1094 case amd64_x32_sys_getxattr: 1095 return gdb_sys_getxattr; 1096 1097 case amd64_sys_lgetxattr: 1098 case amd64_x32_sys_lgetxattr: 1099 return gdb_sys_lgetxattr; 1100 1101 case amd64_sys_fgetxattr: 1102 case amd64_x32_sys_fgetxattr: 1103 return gdb_sys_fgetxattr; 1104 1105 case amd64_sys_listxattr: 1106 case amd64_x32_sys_listxattr: 1107 return gdb_sys_listxattr; 1108 1109 case amd64_sys_llistxattr: 1110 case amd64_x32_sys_llistxattr: 1111 return gdb_sys_llistxattr; 1112 1113 case amd64_sys_flistxattr: 1114 case amd64_x32_sys_flistxattr: 1115 return gdb_sys_flistxattr; 1116 1117 case amd64_sys_removexattr: 1118 case amd64_x32_sys_removexattr: 1119 return gdb_sys_removexattr; 1120 1121 case amd64_sys_lremovexattr: 1122 case amd64_x32_sys_lremovexattr: 1123 return gdb_sys_lremovexattr; 1124 1125 case amd64_sys_fremovexattr: 1126 case amd64_x32_sys_fremovexattr: 1127 return gdb_sys_fremovexattr; 1128 1129 case amd64_sys_tkill: 1130 case amd64_x32_sys_tkill: 1131 return gdb_sys_tkill; 1132 1133 case amd64_sys_time: 1134 case amd64_x32_sys_time: 1135 return gdb_sys_time; 1136 1137 case amd64_sys_futex: 1138 case amd64_x32_sys_futex: 1139 return gdb_sys_futex; 1140 1141 case amd64_sys_sched_setaffinity: 1142 case amd64_x32_sys_sched_setaffinity: 1143 return gdb_sys_sched_setaffinity; 1144 1145 case amd64_sys_sched_getaffinity: 1146 case amd64_x32_sys_sched_getaffinity: 1147 return gdb_sys_sched_getaffinity; 1148 1149 case amd64_sys_io_setup: 1150 case amd64_x32_sys_io_setup: 1151 return gdb_sys_io_setup; 1152 1153 case amd64_sys_io_destroy: 1154 case amd64_x32_sys_io_destroy: 1155 return gdb_sys_io_destroy; 1156 1157 case amd64_sys_io_getevents: 1158 case amd64_x32_sys_io_getevents: 1159 return gdb_sys_io_getevents; 1160 1161 case amd64_sys_io_submit: 1162 case amd64_x32_sys_io_submit: 1163 return gdb_sys_io_submit; 1164 1165 case amd64_sys_io_cancel: 1166 case amd64_x32_sys_io_cancel: 1167 return gdb_sys_io_cancel; 1168 1169 case amd64_sys_lookup_dcookie: 1170 case amd64_x32_sys_lookup_dcookie: 1171 return gdb_sys_lookup_dcookie; 1172 1173 case amd64_sys_epoll_create: 1174 case amd64_x32_sys_epoll_create: 1175 return gdb_sys_epoll_create; 1176 1177 case amd64_sys_remap_file_pages: 1178 case amd64_x32_sys_remap_file_pages: 1179 return gdb_sys_remap_file_pages; 1180 1181 case amd64_sys_getdents64: 1182 case amd64_x32_sys_getdents64: 1183 return gdb_sys_getdents64; 1184 1185 case amd64_sys_set_tid_address: 1186 case amd64_x32_sys_set_tid_address: 1187 return gdb_sys_set_tid_address; 1188 1189 case amd64_sys_restart_syscall: 1190 case amd64_x32_sys_restart_syscall: 1191 return gdb_sys_restart_syscall; 1192 1193 case amd64_sys_semtimedop: 1194 case amd64_x32_sys_semtimedop: 1195 return gdb_sys_semtimedop; 1196 1197 case amd64_sys_fadvise64: 1198 case amd64_x32_sys_fadvise64: 1199 return gdb_sys_fadvise64; 1200 1201 case amd64_sys_timer_create: 1202 case amd64_x32_sys_timer_create: 1203 return gdb_sys_timer_create; 1204 1205 case amd64_sys_timer_settime: 1206 case amd64_x32_sys_timer_settime: 1207 return gdb_sys_timer_settime; 1208 1209 case amd64_sys_timer_gettime: 1210 case amd64_x32_sys_timer_gettime: 1211 return gdb_sys_timer_gettime; 1212 1213 case amd64_sys_timer_getoverrun: 1214 case amd64_x32_sys_timer_getoverrun: 1215 return gdb_sys_timer_getoverrun; 1216 1217 case amd64_sys_timer_delete: 1218 case amd64_x32_sys_timer_delete: 1219 return gdb_sys_timer_delete; 1220 1221 case amd64_sys_clock_settime: 1222 case amd64_x32_sys_clock_settime: 1223 return gdb_sys_clock_settime; 1224 1225 case amd64_sys_clock_gettime: 1226 case amd64_x32_sys_clock_gettime: 1227 return gdb_sys_clock_gettime; 1228 1229 case amd64_sys_clock_getres: 1230 case amd64_x32_sys_clock_getres: 1231 return gdb_sys_clock_getres; 1232 1233 case amd64_sys_clock_nanosleep: 1234 case amd64_x32_sys_clock_nanosleep: 1235 return gdb_sys_clock_nanosleep; 1236 1237 case amd64_sys_exit_group: 1238 case amd64_x32_sys_exit_group: 1239 return gdb_sys_exit_group; 1240 1241 case amd64_sys_epoll_wait: 1242 case amd64_x32_sys_epoll_wait: 1243 return gdb_sys_epoll_wait; 1244 1245 case amd64_sys_epoll_ctl: 1246 case amd64_x32_sys_epoll_ctl: 1247 return gdb_sys_epoll_ctl; 1248 1249 case amd64_sys_tgkill: 1250 case amd64_x32_sys_tgkill: 1251 return gdb_sys_tgkill; 1252 1253 case amd64_sys_utimes: 1254 case amd64_x32_sys_utimes: 1255 return gdb_sys_utimes; 1256 1257 case amd64_sys_mbind: 1258 case amd64_x32_sys_mbind: 1259 return gdb_sys_mbind; 1260 1261 case amd64_sys_set_mempolicy: 1262 case amd64_x32_sys_set_mempolicy: 1263 return gdb_sys_set_mempolicy; 1264 1265 case amd64_sys_get_mempolicy: 1266 case amd64_x32_sys_get_mempolicy: 1267 return gdb_sys_get_mempolicy; 1268 1269 case amd64_sys_mq_open: 1270 case amd64_x32_sys_mq_open: 1271 return gdb_sys_mq_open; 1272 1273 case amd64_sys_mq_unlink: 1274 case amd64_x32_sys_mq_unlink: 1275 return gdb_sys_mq_unlink; 1276 1277 case amd64_sys_mq_timedsend: 1278 case amd64_x32_sys_mq_timedsend: 1279 return gdb_sys_mq_timedsend; 1280 1281 case amd64_sys_mq_timedreceive: 1282 case amd64_x32_sys_mq_timedreceive: 1283 return gdb_sys_mq_timedreceive; 1284 1285 case amd64_sys_mq_notify: 1286 case amd64_x32_sys_mq_notify: 1287 return gdb_sys_mq_notify; 1288 1289 case amd64_sys_mq_getsetattr: 1290 case amd64_x32_sys_mq_getsetattr: 1291 return gdb_sys_mq_getsetattr; 1292 1293 case amd64_sys_kexec_load: 1294 case amd64_x32_sys_kexec_load: 1295 return gdb_sys_kexec_load; 1296 1297 case amd64_sys_waitid: 1298 case amd64_x32_sys_waitid: 1299 return gdb_sys_waitid; 1300 1301 case amd64_sys_add_key: 1302 case amd64_x32_sys_add_key: 1303 return gdb_sys_add_key; 1304 1305 case amd64_sys_request_key: 1306 case amd64_x32_sys_request_key: 1307 return gdb_sys_request_key; 1308 1309 case amd64_sys_keyctl: 1310 case amd64_x32_sys_keyctl: 1311 return gdb_sys_keyctl; 1312 1313 case amd64_sys_ioprio_set: 1314 case amd64_x32_sys_ioprio_set: 1315 return gdb_sys_ioprio_set; 1316 1317 case amd64_sys_ioprio_get: 1318 case amd64_x32_sys_ioprio_get: 1319 return gdb_sys_ioprio_get; 1320 1321 case amd64_sys_inotify_init: 1322 case amd64_x32_sys_inotify_init: 1323 return gdb_sys_inotify_init; 1324 1325 case amd64_sys_inotify_add_watch: 1326 case amd64_x32_sys_inotify_add_watch: 1327 return gdb_sys_inotify_add_watch; 1328 1329 case amd64_sys_inotify_rm_watch: 1330 case amd64_x32_sys_inotify_rm_watch: 1331 return gdb_sys_inotify_rm_watch; 1332 1333 case amd64_sys_migrate_pages: 1334 case amd64_x32_sys_migrate_pages: 1335 return gdb_sys_migrate_pages; 1336 1337 case amd64_sys_openat: 1338 case amd64_x32_sys_openat: 1339 return gdb_sys_openat; 1340 1341 case amd64_sys_mkdirat: 1342 case amd64_x32_sys_mkdirat: 1343 return gdb_sys_mkdirat; 1344 1345 case amd64_sys_mknodat: 1346 case amd64_x32_sys_mknodat: 1347 return gdb_sys_mknodat; 1348 1349 case amd64_sys_fchownat: 1350 case amd64_x32_sys_fchownat: 1351 return gdb_sys_fchownat; 1352 1353 case amd64_sys_futimesat: 1354 case amd64_x32_sys_futimesat: 1355 return gdb_sys_futimesat; 1356 1357 case amd64_sys_newfstatat: 1358 case amd64_x32_sys_newfstatat: 1359 return gdb_sys_newfstatat; 1360 1361 case amd64_sys_unlinkat: 1362 case amd64_x32_sys_unlinkat: 1363 return gdb_sys_unlinkat; 1364 1365 case amd64_sys_renameat: 1366 case amd64_x32_sys_renameat: 1367 return gdb_sys_renameat; 1368 1369 case amd64_sys_linkat: 1370 case amd64_x32_sys_linkat: 1371 return gdb_sys_linkat; 1372 1373 case amd64_sys_symlinkat: 1374 case amd64_x32_sys_symlinkat: 1375 return gdb_sys_symlinkat; 1376 1377 case amd64_sys_readlinkat: 1378 case amd64_x32_sys_readlinkat: 1379 return gdb_sys_readlinkat; 1380 1381 case amd64_sys_fchmodat: 1382 case amd64_x32_sys_fchmodat: 1383 return gdb_sys_fchmodat; 1384 1385 case amd64_sys_faccessat: 1386 case amd64_x32_sys_faccessat: 1387 return gdb_sys_faccessat; 1388 1389 case amd64_sys_pselect6: 1390 case amd64_x32_sys_pselect6: 1391 return gdb_sys_pselect6; 1392 1393 case amd64_sys_ppoll: 1394 case amd64_x32_sys_ppoll: 1395 return gdb_sys_ppoll; 1396 1397 case amd64_sys_unshare: 1398 case amd64_x32_sys_unshare: 1399 return gdb_sys_unshare; 1400 1401 case amd64_sys_set_robust_list: 1402 case amd64_x32_sys_set_robust_list: 1403 return gdb_sys_set_robust_list; 1404 1405 case amd64_sys_get_robust_list: 1406 case amd64_x32_sys_get_robust_list: 1407 return gdb_sys_get_robust_list; 1408 1409 case amd64_sys_splice: 1410 case amd64_x32_sys_splice: 1411 return gdb_sys_splice; 1412 1413 case amd64_sys_tee: 1414 case amd64_x32_sys_tee: 1415 return gdb_sys_tee; 1416 1417 case amd64_sys_sync_file_range: 1418 case amd64_x32_sys_sync_file_range: 1419 return gdb_sys_sync_file_range; 1420 1421 case amd64_sys_vmsplice: 1422 case amd64_x32_sys_vmsplice: 1423 return gdb_sys_vmsplice; 1424 1425 case amd64_sys_move_pages: 1426 case amd64_x32_sys_move_pages: 1427 return gdb_sys_move_pages; 1428 1429 default: 1430 return -1; 1431 } 1432 } 1433 1434 /* Parse the arguments of current system call instruction and record 1435 the values of the registers and memory that will be changed into 1436 "record_full_arch_list". This instruction is "syscall". 1437 1438 Return -1 if something wrong. */ 1439 1440 static struct linux_record_tdep amd64_linux_record_tdep; 1441 static struct linux_record_tdep amd64_x32_linux_record_tdep; 1442 1443 #define RECORD_ARCH_GET_FS 0x1003 1444 #define RECORD_ARCH_GET_GS 0x1004 1445 1446 static int 1447 amd64_linux_syscall_record_common (struct regcache *regcache, 1448 struct linux_record_tdep *linux_record_tdep_p) 1449 { 1450 int ret; 1451 ULONGEST syscall_native; 1452 enum gdb_syscall syscall_gdb = -1; 1453 1454 regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native); 1455 1456 switch (syscall_native) 1457 { 1458 case amd64_sys_rt_sigreturn: 1459 case amd64_x32_sys_rt_sigreturn: 1460 if (amd64_all_but_ip_registers_record (regcache)) 1461 return -1; 1462 return 0; 1463 break; 1464 1465 case amd64_sys_arch_prctl: 1466 case amd64_x32_sys_arch_prctl: 1467 { 1468 ULONGEST arg3; 1469 regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3, 1470 &arg3); 1471 if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS) 1472 { 1473 CORE_ADDR addr; 1474 1475 regcache_raw_read_unsigned (regcache, 1476 linux_record_tdep_p->arg2, 1477 &addr); 1478 if (record_full_arch_list_add_mem 1479 (addr, linux_record_tdep_p->size_ulong)) 1480 return -1; 1481 } 1482 goto record_regs; 1483 } 1484 break; 1485 } 1486 1487 syscall_gdb = amd64_canonicalize_syscall (syscall_native); 1488 1489 if (syscall_gdb < 0) 1490 { 1491 printf_unfiltered (_("Process record and replay target doesn't " 1492 "support syscall number %s\n"), 1493 pulongest (syscall_native)); 1494 return -1; 1495 } 1496 else 1497 { 1498 ret = record_linux_system_call (syscall_gdb, regcache, 1499 linux_record_tdep_p); 1500 if (ret) 1501 return ret; 1502 } 1503 1504 record_regs: 1505 /* Record the return value of the system call. */ 1506 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) 1507 return -1; 1508 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) 1509 return -1; 1510 1511 return 0; 1512 } 1513 1514 static int 1515 amd64_linux_syscall_record (struct regcache *regcache) 1516 { 1517 return amd64_linux_syscall_record_common (regcache, 1518 &amd64_linux_record_tdep); 1519 } 1520 1521 static int 1522 amd64_x32_linux_syscall_record (struct regcache *regcache) 1523 { 1524 return amd64_linux_syscall_record_common (regcache, 1525 &amd64_x32_linux_record_tdep); 1526 } 1527 1528 #define AMD64_LINUX_redzone 128 1529 #define AMD64_LINUX_xstate 512 1530 #define AMD64_LINUX_frame_size 560 1531 1532 static int 1533 amd64_linux_record_signal (struct gdbarch *gdbarch, 1534 struct regcache *regcache, 1535 enum gdb_signal signal) 1536 { 1537 ULONGEST rsp; 1538 1539 if (amd64_all_but_ip_registers_record (regcache)) 1540 return -1; 1541 1542 if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM)) 1543 return -1; 1544 1545 /* Record the change in the stack. */ 1546 regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp); 1547 /* redzone 1548 sp -= 128; */ 1549 rsp -= AMD64_LINUX_redzone; 1550 /* This is for xstate. 1551 sp -= sizeof (struct _fpstate); */ 1552 rsp -= AMD64_LINUX_xstate; 1553 /* This is for frame_size. 1554 sp -= sizeof (struct rt_sigframe); */ 1555 rsp -= AMD64_LINUX_frame_size; 1556 if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone 1557 + AMD64_LINUX_xstate 1558 + AMD64_LINUX_frame_size)) 1559 return -1; 1560 1561 if (record_full_arch_list_add_end ()) 1562 return -1; 1563 1564 return 0; 1565 } 1566 1567 /* Get Linux/x86 target description from core dump. */ 1568 1569 static const struct target_desc * 1570 amd64_linux_core_read_description (struct gdbarch *gdbarch, 1571 struct target_ops *target, 1572 bfd *abfd) 1573 { 1574 /* Linux/x86-64. */ 1575 uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd); 1576 1577 switch (xcr0 & X86_XSTATE_ALL_MASK) 1578 { 1579 case X86_XSTATE_MPX_AVX512_MASK: 1580 case X86_XSTATE_AVX512_MASK: 1581 if (gdbarch_ptr_bit (gdbarch) == 32) 1582 return tdesc_x32_avx512_linux; 1583 else 1584 return tdesc_amd64_avx512_linux; 1585 case X86_XSTATE_MPX_MASK: 1586 if (gdbarch_ptr_bit (gdbarch) == 32) 1587 return tdesc_x32_avx_linux; /* No x32 MPX falling back to AVX. */ 1588 else 1589 return tdesc_amd64_mpx_linux; 1590 case X86_XSTATE_AVX_MASK: 1591 if (gdbarch_ptr_bit (gdbarch) == 32) 1592 return tdesc_x32_avx_linux; 1593 else 1594 return tdesc_amd64_avx_linux; 1595 default: 1596 if (gdbarch_ptr_bit (gdbarch) == 32) 1597 return tdesc_x32_linux; 1598 else 1599 return tdesc_amd64_linux; 1600 } 1601 } 1602 1603 /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */ 1604 1605 static void 1606 amd64_linux_supply_xstateregset (const struct regset *regset, 1607 struct regcache *regcache, int regnum, 1608 const void *xstateregs, size_t len) 1609 { 1610 amd64_supply_xsave (regcache, regnum, xstateregs); 1611 } 1612 1613 /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */ 1614 1615 static void 1616 amd64_linux_collect_xstateregset (const struct regset *regset, 1617 const struct regcache *regcache, 1618 int regnum, void *xstateregs, size_t len) 1619 { 1620 amd64_collect_xsave (regcache, regnum, xstateregs, 1); 1621 } 1622 1623 static const struct regset amd64_linux_xstateregset = 1624 { 1625 NULL, 1626 amd64_linux_supply_xstateregset, 1627 amd64_linux_collect_xstateregset 1628 }; 1629 1630 /* Iterate over core file register note sections. */ 1631 1632 static void 1633 amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch, 1634 iterate_over_regset_sections_cb *cb, 1635 void *cb_data, 1636 const struct regcache *regcache) 1637 { 1638 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); 1639 1640 cb (".reg", 27 * 8, &i386_gregset, NULL, cb_data); 1641 cb (".reg2", 512, &amd64_fpregset, NULL, cb_data); 1642 cb (".reg-xstate", regcache ? X86_XSTATE_MAX_SIZE : 0, 1643 &amd64_linux_xstateregset, "XSAVE extended state", cb_data); 1644 } 1645 1646 static void 1647 amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch) 1648 { 1649 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); 1650 1651 linux_init_abi (info, gdbarch); 1652 1653 tdep->sigtramp_p = amd64_linux_sigtramp_p; 1654 tdep->sigcontext_addr = amd64_linux_sigcontext_addr; 1655 tdep->sc_reg_offset = amd64_linux_sc_reg_offset; 1656 tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset); 1657 1658 tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET; 1659 1660 /* Add the %orig_rax register used for syscall restarting. */ 1661 set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc); 1662 1663 tdep->register_reggroup_p = amd64_linux_register_reggroup_p; 1664 1665 /* Functions for 'catch syscall'. */ 1666 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64); 1667 set_gdbarch_get_syscall_number (gdbarch, 1668 amd64_linux_get_syscall_number); 1669 1670 /* Enable TLS support. */ 1671 set_gdbarch_fetch_tls_load_module_address (gdbarch, 1672 svr4_fetch_objfile_link_map); 1673 1674 /* GNU/Linux uses SVR4-style shared libraries. */ 1675 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); 1676 1677 /* GNU/Linux uses the dynamic linker included in the GNU C Library. */ 1678 set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); 1679 1680 /* Iterate over core file register note sections. */ 1681 set_gdbarch_iterate_over_regset_sections 1682 (gdbarch, amd64_linux_iterate_over_regset_sections); 1683 1684 set_gdbarch_core_read_description (gdbarch, 1685 amd64_linux_core_read_description); 1686 1687 /* Displaced stepping. */ 1688 set_gdbarch_displaced_step_copy_insn (gdbarch, 1689 amd64_displaced_step_copy_insn); 1690 set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup); 1691 set_gdbarch_displaced_step_free_closure (gdbarch, 1692 simple_displaced_step_free_closure); 1693 set_gdbarch_displaced_step_location (gdbarch, 1694 displaced_step_at_entry_point); 1695 1696 set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type); 1697 1698 set_gdbarch_process_record (gdbarch, i386_process_record); 1699 set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal); 1700 } 1701 1702 static void 1703 amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 1704 { 1705 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); 1706 const struct target_desc *tdesc = info.target_desc; 1707 struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info; 1708 const struct tdesc_feature *feature; 1709 int valid_p; 1710 1711 gdb_assert (tdesc_data); 1712 1713 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset; 1714 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset); 1715 tdep->sizeof_gregset = 27 * 8; 1716 1717 amd64_init_abi (info, gdbarch); 1718 1719 /* Reserve a number for orig_rax. */ 1720 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS); 1721 1722 if (! tdesc_has_registers (tdesc)) 1723 tdesc = tdesc_amd64_linux; 1724 tdep->tdesc = tdesc; 1725 1726 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux"); 1727 if (feature == NULL) 1728 return; 1729 1730 valid_p = tdesc_numbered_register (feature, tdesc_data, 1731 AMD64_LINUX_ORIG_RAX_REGNUM, 1732 "orig_rax"); 1733 if (!valid_p) 1734 return; 1735 1736 amd64_linux_init_abi_common (info, gdbarch); 1737 1738 /* Initialize the amd64_linux_record_tdep. */ 1739 /* These values are the size of the type that will be used in a system 1740 call. They are obtained from Linux Kernel source. */ 1741 amd64_linux_record_tdep.size_pointer 1742 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT; 1743 amd64_linux_record_tdep.size__old_kernel_stat = 32; 1744 amd64_linux_record_tdep.size_tms = 32; 1745 amd64_linux_record_tdep.size_loff_t = 8; 1746 amd64_linux_record_tdep.size_flock = 32; 1747 amd64_linux_record_tdep.size_oldold_utsname = 45; 1748 amd64_linux_record_tdep.size_ustat = 32; 1749 /* ADM64 doesn't need this size because it doesn't have sys_sigaction 1750 but sys_rt_sigaction. */ 1751 amd64_linux_record_tdep.size_old_sigaction = 152; 1752 /* ADM64 doesn't need this size because it doesn't have sys_sigpending 1753 but sys_rt_sigpending. */ 1754 amd64_linux_record_tdep.size_old_sigset_t = 128; 1755 amd64_linux_record_tdep.size_rlimit = 16; 1756 amd64_linux_record_tdep.size_rusage = 144; 1757 amd64_linux_record_tdep.size_timeval = 16; 1758 amd64_linux_record_tdep.size_timezone = 8; 1759 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16 1760 but sys_getgroups. */ 1761 amd64_linux_record_tdep.size_old_gid_t = 2; 1762 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16 1763 but sys_getresuid. */ 1764 amd64_linux_record_tdep.size_old_uid_t = 2; 1765 amd64_linux_record_tdep.size_fd_set = 128; 1766 amd64_linux_record_tdep.size_dirent = 280; 1767 amd64_linux_record_tdep.size_dirent64 = 280; 1768 amd64_linux_record_tdep.size_statfs = 120; 1769 amd64_linux_record_tdep.size_statfs64 = 120; 1770 amd64_linux_record_tdep.size_sockaddr = 16; 1771 amd64_linux_record_tdep.size_int 1772 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT; 1773 amd64_linux_record_tdep.size_long 1774 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; 1775 amd64_linux_record_tdep.size_ulong 1776 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; 1777 amd64_linux_record_tdep.size_msghdr = 56; 1778 amd64_linux_record_tdep.size_itimerval = 32; 1779 amd64_linux_record_tdep.size_stat = 144; 1780 amd64_linux_record_tdep.size_old_utsname = 325; 1781 amd64_linux_record_tdep.size_sysinfo = 112; 1782 amd64_linux_record_tdep.size_msqid_ds = 120; 1783 amd64_linux_record_tdep.size_shmid_ds = 112; 1784 amd64_linux_record_tdep.size_new_utsname = 390; 1785 amd64_linux_record_tdep.size_timex = 208; 1786 amd64_linux_record_tdep.size_mem_dqinfo = 24; 1787 amd64_linux_record_tdep.size_if_dqblk = 72; 1788 amd64_linux_record_tdep.size_fs_quota_stat = 80; 1789 amd64_linux_record_tdep.size_timespec = 16; 1790 amd64_linux_record_tdep.size_pollfd = 8; 1791 amd64_linux_record_tdep.size_NFS_FHSIZE = 32; 1792 amd64_linux_record_tdep.size_knfsd_fh = 132; 1793 amd64_linux_record_tdep.size_TASK_COMM_LEN = 16; 1794 amd64_linux_record_tdep.size_sigaction = 152; 1795 amd64_linux_record_tdep.size_sigset_t = 128; 1796 amd64_linux_record_tdep.size_siginfo_t = 128; 1797 amd64_linux_record_tdep.size_cap_user_data_t = 8; 1798 amd64_linux_record_tdep.size_stack_t = 24; 1799 amd64_linux_record_tdep.size_off_t = 8; 1800 amd64_linux_record_tdep.size_stat64 = 144; 1801 amd64_linux_record_tdep.size_gid_t = 4; 1802 amd64_linux_record_tdep.size_uid_t = 4; 1803 amd64_linux_record_tdep.size_PAGE_SIZE = 4096; 1804 amd64_linux_record_tdep.size_flock64 = 32; 1805 amd64_linux_record_tdep.size_user_desc = 16; 1806 amd64_linux_record_tdep.size_io_event = 32; 1807 amd64_linux_record_tdep.size_iocb = 64; 1808 amd64_linux_record_tdep.size_epoll_event = 12; 1809 amd64_linux_record_tdep.size_itimerspec = 32; 1810 amd64_linux_record_tdep.size_mq_attr = 64; 1811 amd64_linux_record_tdep.size_siginfo = 128; 1812 amd64_linux_record_tdep.size_termios = 60; 1813 amd64_linux_record_tdep.size_termios2 = 44; 1814 amd64_linux_record_tdep.size_pid_t = 4; 1815 amd64_linux_record_tdep.size_winsize = 8; 1816 amd64_linux_record_tdep.size_serial_struct = 72; 1817 amd64_linux_record_tdep.size_serial_icounter_struct = 80; 1818 amd64_linux_record_tdep.size_hayes_esp_config = 12; 1819 amd64_linux_record_tdep.size_size_t = 8; 1820 amd64_linux_record_tdep.size_iovec = 16; 1821 1822 /* These values are the second argument of system call "sys_fcntl" 1823 and "sys_fcntl64". They are obtained from Linux Kernel source. */ 1824 amd64_linux_record_tdep.fcntl_F_GETLK = 5; 1825 amd64_linux_record_tdep.fcntl_F_GETLK64 = 12; 1826 amd64_linux_record_tdep.fcntl_F_SETLK64 = 13; 1827 amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14; 1828 1829 amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM; 1830 amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM; 1831 amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM; 1832 amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM; 1833 amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM; 1834 amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM; 1835 1836 /* These values are the second argument of system call "sys_ioctl". 1837 They are obtained from Linux Kernel source. */ 1838 amd64_linux_record_tdep.ioctl_TCGETS = 0x5401; 1839 amd64_linux_record_tdep.ioctl_TCSETS = 0x5402; 1840 amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403; 1841 amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404; 1842 amd64_linux_record_tdep.ioctl_TCGETA = 0x5405; 1843 amd64_linux_record_tdep.ioctl_TCSETA = 0x5406; 1844 amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407; 1845 amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408; 1846 amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409; 1847 amd64_linux_record_tdep.ioctl_TCXONC = 0x540A; 1848 amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B; 1849 amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C; 1850 amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D; 1851 amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E; 1852 amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F; 1853 amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410; 1854 amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411; 1855 amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412; 1856 amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413; 1857 amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414; 1858 amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415; 1859 amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416; 1860 amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417; 1861 amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418; 1862 amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419; 1863 amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A; 1864 amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B; 1865 amd64_linux_record_tdep.ioctl_TIOCINQ 1866 = amd64_linux_record_tdep.ioctl_FIONREAD; 1867 amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C; 1868 amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D; 1869 amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E; 1870 amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F; 1871 amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420; 1872 amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421; 1873 amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422; 1874 amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423; 1875 amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424; 1876 amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425; 1877 amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426; 1878 amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427; 1879 amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428; 1880 amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429; 1881 amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a; 1882 amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b; 1883 amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c; 1884 amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d; 1885 amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430; 1886 amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431; 1887 amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450; 1888 amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451; 1889 amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452; 1890 amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453; 1891 amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454; 1892 amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455; 1893 amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456; 1894 amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457; 1895 amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458; 1896 amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459; 1897 amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A; 1898 amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B; 1899 amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C; 1900 amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D; 1901 amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E; 1902 amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F; 1903 amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460; 1904 1905 tdep->i386_syscall_record = amd64_linux_syscall_record; 1906 1907 /* GNU/Linux uses SVR4-style shared libraries. */ 1908 set_solib_svr4_fetch_link_map_offsets 1909 (gdbarch, svr4_lp64_fetch_link_map_offsets); 1910 } 1911 1912 static void 1913 amd64_x32_linux_init_abi(struct gdbarch_info info, struct gdbarch *gdbarch) 1914 { 1915 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); 1916 const struct target_desc *tdesc = info.target_desc; 1917 struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info; 1918 const struct tdesc_feature *feature; 1919 int valid_p; 1920 1921 gdb_assert (tdesc_data); 1922 1923 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset; 1924 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset); 1925 tdep->sizeof_gregset = 27 * 8; 1926 1927 amd64_x32_init_abi (info, gdbarch); 1928 1929 /* Reserve a number for orig_rax. */ 1930 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS); 1931 1932 if (! tdesc_has_registers (tdesc)) 1933 tdesc = tdesc_x32_linux; 1934 tdep->tdesc = tdesc; 1935 1936 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux"); 1937 if (feature == NULL) 1938 return; 1939 1940 valid_p = tdesc_numbered_register (feature, tdesc_data, 1941 AMD64_LINUX_ORIG_RAX_REGNUM, 1942 "orig_rax"); 1943 if (!valid_p) 1944 return; 1945 1946 amd64_linux_init_abi_common (info, gdbarch); 1947 1948 /* Initialize the amd64_x32_linux_record_tdep. */ 1949 /* These values are the size of the type that will be used in a system 1950 call. They are obtained from Linux Kernel source. */ 1951 amd64_x32_linux_record_tdep.size_pointer 1952 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT; 1953 amd64_x32_linux_record_tdep.size__old_kernel_stat = 32; 1954 amd64_x32_linux_record_tdep.size_tms = 32; 1955 amd64_x32_linux_record_tdep.size_loff_t = 8; 1956 amd64_x32_linux_record_tdep.size_flock = 32; 1957 amd64_x32_linux_record_tdep.size_oldold_utsname = 45; 1958 amd64_x32_linux_record_tdep.size_ustat = 32; 1959 /* ADM64 doesn't need this size because it doesn't have sys_sigaction 1960 but sys_rt_sigaction. */ 1961 amd64_x32_linux_record_tdep.size_old_sigaction = 152; 1962 /* ADM64 doesn't need this size because it doesn't have sys_sigpending 1963 but sys_rt_sigpending. */ 1964 amd64_x32_linux_record_tdep.size_old_sigset_t = 128; 1965 amd64_x32_linux_record_tdep.size_rlimit = 16; 1966 amd64_x32_linux_record_tdep.size_rusage = 144; 1967 amd64_x32_linux_record_tdep.size_timeval = 16; 1968 amd64_x32_linux_record_tdep.size_timezone = 8; 1969 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16 1970 but sys_getgroups. */ 1971 amd64_x32_linux_record_tdep.size_old_gid_t = 2; 1972 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16 1973 but sys_getresuid. */ 1974 amd64_x32_linux_record_tdep.size_old_uid_t = 2; 1975 amd64_x32_linux_record_tdep.size_fd_set = 128; 1976 amd64_x32_linux_record_tdep.size_dirent = 280; 1977 amd64_x32_linux_record_tdep.size_dirent64 = 280; 1978 amd64_x32_linux_record_tdep.size_statfs = 120; 1979 amd64_x32_linux_record_tdep.size_statfs64 = 120; 1980 amd64_x32_linux_record_tdep.size_sockaddr = 16; 1981 amd64_x32_linux_record_tdep.size_int 1982 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT; 1983 amd64_x32_linux_record_tdep.size_long 1984 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; 1985 amd64_x32_linux_record_tdep.size_ulong 1986 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; 1987 amd64_x32_linux_record_tdep.size_msghdr = 56; 1988 amd64_x32_linux_record_tdep.size_itimerval = 32; 1989 amd64_x32_linux_record_tdep.size_stat = 144; 1990 amd64_x32_linux_record_tdep.size_old_utsname = 325; 1991 amd64_x32_linux_record_tdep.size_sysinfo = 112; 1992 amd64_x32_linux_record_tdep.size_msqid_ds = 120; 1993 amd64_x32_linux_record_tdep.size_shmid_ds = 112; 1994 amd64_x32_linux_record_tdep.size_new_utsname = 390; 1995 amd64_x32_linux_record_tdep.size_timex = 208; 1996 amd64_x32_linux_record_tdep.size_mem_dqinfo = 24; 1997 amd64_x32_linux_record_tdep.size_if_dqblk = 72; 1998 amd64_x32_linux_record_tdep.size_fs_quota_stat = 80; 1999 amd64_x32_linux_record_tdep.size_timespec = 16; 2000 amd64_x32_linux_record_tdep.size_pollfd = 8; 2001 amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32; 2002 amd64_x32_linux_record_tdep.size_knfsd_fh = 132; 2003 amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16; 2004 amd64_x32_linux_record_tdep.size_sigaction = 152; 2005 amd64_x32_linux_record_tdep.size_sigset_t = 128; 2006 amd64_x32_linux_record_tdep.size_siginfo_t = 128; 2007 amd64_x32_linux_record_tdep.size_cap_user_data_t = 8; 2008 amd64_x32_linux_record_tdep.size_stack_t = 24; 2009 amd64_x32_linux_record_tdep.size_off_t = 8; 2010 amd64_x32_linux_record_tdep.size_stat64 = 144; 2011 amd64_x32_linux_record_tdep.size_gid_t = 4; 2012 amd64_x32_linux_record_tdep.size_uid_t = 4; 2013 amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096; 2014 amd64_x32_linux_record_tdep.size_flock64 = 32; 2015 amd64_x32_linux_record_tdep.size_user_desc = 16; 2016 amd64_x32_linux_record_tdep.size_io_event = 32; 2017 amd64_x32_linux_record_tdep.size_iocb = 64; 2018 amd64_x32_linux_record_tdep.size_epoll_event = 12; 2019 amd64_x32_linux_record_tdep.size_itimerspec = 32; 2020 amd64_x32_linux_record_tdep.size_mq_attr = 64; 2021 amd64_x32_linux_record_tdep.size_siginfo = 128; 2022 amd64_x32_linux_record_tdep.size_termios = 60; 2023 amd64_x32_linux_record_tdep.size_termios2 = 44; 2024 amd64_x32_linux_record_tdep.size_pid_t = 4; 2025 amd64_x32_linux_record_tdep.size_winsize = 8; 2026 amd64_x32_linux_record_tdep.size_serial_struct = 72; 2027 amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80; 2028 amd64_x32_linux_record_tdep.size_hayes_esp_config = 12; 2029 amd64_x32_linux_record_tdep.size_size_t = 8; 2030 amd64_x32_linux_record_tdep.size_iovec = 16; 2031 2032 /* These values are the second argument of system call "sys_fcntl" 2033 and "sys_fcntl64". They are obtained from Linux Kernel source. */ 2034 amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5; 2035 amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12; 2036 amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13; 2037 amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14; 2038 2039 amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM; 2040 amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM; 2041 amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM; 2042 amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM; 2043 amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM; 2044 amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM; 2045 2046 /* These values are the second argument of system call "sys_ioctl". 2047 They are obtained from Linux Kernel source. */ 2048 amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401; 2049 amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402; 2050 amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403; 2051 amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404; 2052 amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405; 2053 amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406; 2054 amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407; 2055 amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408; 2056 amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409; 2057 amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A; 2058 amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B; 2059 amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C; 2060 amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D; 2061 amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E; 2062 amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F; 2063 amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410; 2064 amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411; 2065 amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412; 2066 amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413; 2067 amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414; 2068 amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415; 2069 amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416; 2070 amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417; 2071 amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418; 2072 amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419; 2073 amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A; 2074 amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B; 2075 amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD; 2076 amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C; 2077 amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D; 2078 amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E; 2079 amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F; 2080 amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420; 2081 amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421; 2082 amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422; 2083 amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423; 2084 amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424; 2085 amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425; 2086 amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426; 2087 amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427; 2088 amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428; 2089 amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429; 2090 amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a; 2091 amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b; 2092 amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c; 2093 amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d; 2094 amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430; 2095 amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431; 2096 amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450; 2097 amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451; 2098 amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452; 2099 amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453; 2100 amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454; 2101 amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455; 2102 amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456; 2103 amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457; 2104 amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458; 2105 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459; 2106 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A; 2107 amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B; 2108 amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C; 2109 amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D; 2110 amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E; 2111 amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F; 2112 amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460; 2113 2114 tdep->i386_syscall_record = amd64_x32_linux_syscall_record; 2115 2116 /* GNU/Linux uses SVR4-style shared libraries. */ 2117 set_solib_svr4_fetch_link_map_offsets 2118 (gdbarch, svr4_ilp32_fetch_link_map_offsets); 2119 } 2120 2121 2122 /* Provide a prototype to silence -Wmissing-prototypes. */ 2123 extern void _initialize_amd64_linux_tdep (void); 2124 2125 void 2126 _initialize_amd64_linux_tdep (void) 2127 { 2128 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, 2129 GDB_OSABI_LINUX, amd64_linux_init_abi); 2130 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32, 2131 GDB_OSABI_LINUX, amd64_x32_linux_init_abi); 2132 2133 /* Initialize the Linux target description. */ 2134 initialize_tdesc_amd64_linux (); 2135 initialize_tdesc_amd64_avx_linux (); 2136 initialize_tdesc_amd64_mpx_linux (); 2137 initialize_tdesc_amd64_avx512_linux (); 2138 2139 initialize_tdesc_x32_linux (); 2140 initialize_tdesc_x32_avx_linux (); 2141 initialize_tdesc_x32_avx512_linux (); 2142 } 2143