1 /* Target-dependent code for GNU/Linux x86-64. 2 3 Copyright (C) 2001-2023 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 "parser-defs.h" 32 #include "user-regs.h" 33 #include "amd64-linux-tdep.h" 34 #include "i386-linux-tdep.h" 35 #include "linux-tdep.h" 36 #include "gdbsupport/x86-xstate.h" 37 38 #include "amd64-tdep.h" 39 #include "solib-svr4.h" 40 #include "xml-syscall.h" 41 #include "glibc-tdep.h" 42 #include "arch/amd64.h" 43 #include "target-descriptions.h" 44 #include "expop.h" 45 46 /* The syscall's XML filename for i386. */ 47 #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml" 48 49 #include "record-full.h" 50 #include "linux-record.h" 51 52 /* Mapping between the general-purpose registers in `struct user' 53 format and GDB's register cache layout. */ 54 55 /* From <sys/reg.h>. */ 56 int amd64_linux_gregset_reg_offset[] = 57 { 58 10 * 8, /* %rax */ 59 5 * 8, /* %rbx */ 60 11 * 8, /* %rcx */ 61 12 * 8, /* %rdx */ 62 13 * 8, /* %rsi */ 63 14 * 8, /* %rdi */ 64 4 * 8, /* %rbp */ 65 19 * 8, /* %rsp */ 66 9 * 8, /* %r8 ... */ 67 8 * 8, 68 7 * 8, 69 6 * 8, 70 3 * 8, 71 2 * 8, 72 1 * 8, 73 0 * 8, /* ... %r15 */ 74 16 * 8, /* %rip */ 75 18 * 8, /* %eflags */ 76 17 * 8, /* %cs */ 77 20 * 8, /* %ss */ 78 23 * 8, /* %ds */ 79 24 * 8, /* %es */ 80 25 * 8, /* %fs */ 81 26 * 8, /* %gs */ 82 -1, -1, -1, -1, -1, -1, -1, -1, 83 -1, -1, -1, -1, -1, -1, -1, -1, 84 -1, -1, -1, -1, -1, -1, -1, -1, 85 -1, -1, -1, -1, -1, -1, -1, -1, -1, 86 -1, -1, -1, -1, -1, -1, -1, -1, 87 -1, -1, -1, -1, -1, -1, -1, -1, 88 -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */ 89 -1, -1, /* MPX registers BNDCFGU and BNDSTATUS. */ 90 -1, -1, -1, -1, -1, -1, -1, -1, /* xmm16 ... xmm31 (AVX512) */ 91 -1, -1, -1, -1, -1, -1, -1, -1, 92 -1, -1, -1, -1, -1, -1, -1, -1, /* ymm16 ... ymm31 (AVX512) */ 93 -1, -1, -1, -1, -1, -1, -1, -1, 94 -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */ 95 -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm31 (AVX512) */ 96 -1, -1, -1, -1, -1, -1, -1, -1, 97 -1, -1, -1, -1, -1, -1, -1, -1, 98 -1, -1, -1, -1, -1, -1, -1, -1, 99 -1, /* PKEYS register pkru */ 100 101 /* End of hardware registers */ 102 21 * 8, 22 * 8, /* fs_base and gs_base. */ 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 (frame_info_ptr 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)) 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)) 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 (frame_info_ptr 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 (frame_info_ptr 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 thread_info *thread) 227 { 228 struct regcache *regcache = get_thread_regcache (thread); 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 (AMD64_LINUX_ORIG_RAX_REGNUM, buf); 239 240 ret = extract_signed_integer (buf, 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 const struct reggroup *group) 283 { 284 if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM 285 || regnum == AMD64_FSBASE_REGNUM 286 || regnum == AMD64_GSBASE_REGNUM) 287 return (group == system_reggroup 288 || group == save_reggroup 289 || group == restore_reggroup); 290 return i386_register_reggroup_p (gdbarch, regnum, group); 291 } 292 293 /* Set the program counter for process PTID to PC. */ 294 295 static void 296 amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) 297 { 298 regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc); 299 300 /* We must be careful with modifying the program counter. If we 301 just interrupted a system call, the kernel might try to restart 302 it when we resume the inferior. On restarting the system call, 303 the kernel will try backing up the program counter even though it 304 no longer points at the system call. This typically results in a 305 SIGSEGV or SIGILL. We can prevent this by writing `-1' in the 306 "orig_rax" pseudo-register. 307 308 Note that "orig_rax" is saved when setting up a dummy call frame. 309 This means that it is properly restored when that frame is 310 popped, and that the interrupted system call will be restarted 311 when we resume the inferior on return from a function call from 312 within GDB. In all other cases the system call will not be 313 restarted. */ 314 regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1); 315 } 316 317 /* Record all registers but IP register for process-record. */ 318 319 static int 320 amd64_all_but_ip_registers_record (struct regcache *regcache) 321 { 322 if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM)) 323 return -1; 324 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) 325 return -1; 326 if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM)) 327 return -1; 328 if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM)) 329 return -1; 330 if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM)) 331 return -1; 332 if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM)) 333 return -1; 334 if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM)) 335 return -1; 336 if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM)) 337 return -1; 338 if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM)) 339 return -1; 340 if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM)) 341 return -1; 342 if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM)) 343 return -1; 344 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) 345 return -1; 346 if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM)) 347 return -1; 348 if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM)) 349 return -1; 350 if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM)) 351 return -1; 352 if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM)) 353 return -1; 354 if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM)) 355 return -1; 356 357 return 0; 358 } 359 360 /* amd64_canonicalize_syscall maps from the native amd64 Linux set 361 of syscall ids into a canonical set of syscall ids used by 362 process record. */ 363 364 static enum gdb_syscall 365 amd64_canonicalize_syscall (enum amd64_syscall syscall_number) 366 { 367 DIAGNOSTIC_PUSH 368 DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES 369 370 switch (syscall_number) { 371 case amd64_sys_read: 372 case amd64_x32_sys_read: 373 return gdb_sys_read; 374 375 case amd64_sys_write: 376 case amd64_x32_sys_write: 377 return gdb_sys_write; 378 379 case amd64_sys_open: 380 case amd64_x32_sys_open: 381 return gdb_sys_open; 382 383 case amd64_sys_close: 384 case amd64_x32_sys_close: 385 return gdb_sys_close; 386 387 case amd64_sys_newstat: 388 case amd64_x32_sys_newstat: 389 return gdb_sys_newstat; 390 391 case amd64_sys_newfstat: 392 case amd64_x32_sys_newfstat: 393 return gdb_sys_newfstat; 394 395 case amd64_sys_newlstat: 396 case amd64_x32_sys_newlstat: 397 return gdb_sys_newlstat; 398 399 case amd64_sys_poll: 400 case amd64_x32_sys_poll: 401 return gdb_sys_poll; 402 403 case amd64_sys_lseek: 404 case amd64_x32_sys_lseek: 405 return gdb_sys_lseek; 406 407 case amd64_sys_mmap: 408 case amd64_x32_sys_mmap: 409 return gdb_sys_mmap2; 410 411 case amd64_sys_mprotect: 412 case amd64_x32_sys_mprotect: 413 return gdb_sys_mprotect; 414 415 case amd64_sys_munmap: 416 case amd64_x32_sys_munmap: 417 return gdb_sys_munmap; 418 419 case amd64_sys_brk: 420 case amd64_x32_sys_brk: 421 return gdb_sys_brk; 422 423 case amd64_sys_rt_sigaction: 424 case amd64_x32_sys_rt_sigaction: 425 return gdb_sys_rt_sigaction; 426 427 case amd64_sys_rt_sigprocmask: 428 case amd64_x32_sys_rt_sigprocmask: 429 return gdb_sys_rt_sigprocmask; 430 431 case amd64_sys_rt_sigreturn: 432 case amd64_x32_sys_rt_sigreturn: 433 return gdb_sys_rt_sigreturn; 434 435 case amd64_sys_ioctl: 436 case amd64_x32_sys_ioctl: 437 return gdb_sys_ioctl; 438 439 case amd64_sys_pread64: 440 case amd64_x32_sys_pread64: 441 return gdb_sys_pread64; 442 443 case amd64_sys_pwrite64: 444 case amd64_x32_sys_pwrite64: 445 return gdb_sys_pwrite64; 446 447 case amd64_sys_readv: 448 case amd64_x32_sys_readv: 449 return gdb_sys_readv; 450 451 case amd64_sys_writev: 452 case amd64_x32_sys_writev: 453 return gdb_sys_writev; 454 455 case amd64_sys_access: 456 case amd64_x32_sys_access: 457 return gdb_sys_access; 458 459 case amd64_sys_pipe: 460 case amd64_x32_sys_pipe: 461 return gdb_sys_pipe; 462 463 case amd64_sys_pipe2: 464 return gdb_sys_pipe2; 465 466 case amd64_sys_getrandom: 467 return gdb_sys_getrandom; 468 469 case amd64_sys_select: 470 case amd64_x32_sys_select: 471 return gdb_sys_select; 472 473 case amd64_sys_sched_yield: 474 case amd64_x32_sys_sched_yield: 475 return gdb_sys_sched_yield; 476 477 case amd64_sys_mremap: 478 case amd64_x32_sys_mremap: 479 return gdb_sys_mremap; 480 481 case amd64_sys_msync: 482 case amd64_x32_sys_msync: 483 return gdb_sys_msync; 484 485 case amd64_sys_mincore: 486 case amd64_x32_sys_mincore: 487 return gdb_sys_mincore; 488 489 case amd64_sys_madvise: 490 case amd64_x32_sys_madvise: 491 return gdb_sys_madvise; 492 493 case amd64_sys_shmget: 494 case amd64_x32_sys_shmget: 495 return gdb_sys_shmget; 496 497 case amd64_sys_shmat: 498 case amd64_x32_sys_shmat: 499 return gdb_sys_shmat; 500 501 case amd64_sys_shmctl: 502 case amd64_x32_sys_shmctl: 503 return gdb_sys_shmctl; 504 505 case amd64_sys_dup: 506 case amd64_x32_sys_dup: 507 return gdb_sys_dup; 508 509 case amd64_sys_dup2: 510 case amd64_x32_sys_dup2: 511 return gdb_sys_dup2; 512 513 case amd64_sys_pause: 514 case amd64_x32_sys_pause: 515 return gdb_sys_pause; 516 517 case amd64_sys_nanosleep: 518 case amd64_x32_sys_nanosleep: 519 return gdb_sys_nanosleep; 520 521 case amd64_sys_getitimer: 522 case amd64_x32_sys_getitimer: 523 return gdb_sys_getitimer; 524 525 case amd64_sys_alarm: 526 case amd64_x32_sys_alarm: 527 return gdb_sys_alarm; 528 529 case amd64_sys_setitimer: 530 case amd64_x32_sys_setitimer: 531 return gdb_sys_setitimer; 532 533 case amd64_sys_getpid: 534 case amd64_x32_sys_getpid: 535 return gdb_sys_getpid; 536 537 case amd64_sys_sendfile64: 538 case amd64_x32_sys_sendfile64: 539 return gdb_sys_sendfile64; 540 541 case amd64_sys_socket: 542 case amd64_x32_sys_socket: 543 return gdb_sys_socket; 544 545 case amd64_sys_connect: 546 case amd64_x32_sys_connect: 547 return gdb_sys_connect; 548 549 case amd64_sys_accept: 550 case amd64_x32_sys_accept: 551 return gdb_sys_accept; 552 553 case amd64_sys_sendto: 554 case amd64_x32_sys_sendto: 555 return gdb_sys_sendto; 556 557 case amd64_sys_recvfrom: 558 case amd64_x32_sys_recvfrom: 559 return gdb_sys_recvfrom; 560 561 case amd64_sys_sendmsg: 562 case amd64_x32_sys_sendmsg: 563 return gdb_sys_sendmsg; 564 565 case amd64_sys_recvmsg: 566 case amd64_x32_sys_recvmsg: 567 return gdb_sys_recvmsg; 568 569 case amd64_sys_shutdown: 570 case amd64_x32_sys_shutdown: 571 return gdb_sys_shutdown; 572 573 case amd64_sys_bind: 574 case amd64_x32_sys_bind: 575 return gdb_sys_bind; 576 577 case amd64_sys_listen: 578 case amd64_x32_sys_listen: 579 return gdb_sys_listen; 580 581 case amd64_sys_getsockname: 582 case amd64_x32_sys_getsockname: 583 return gdb_sys_getsockname; 584 585 case amd64_sys_getpeername: 586 case amd64_x32_sys_getpeername: 587 return gdb_sys_getpeername; 588 589 case amd64_sys_socketpair: 590 case amd64_x32_sys_socketpair: 591 return gdb_sys_socketpair; 592 593 case amd64_sys_setsockopt: 594 case amd64_x32_sys_setsockopt: 595 return gdb_sys_setsockopt; 596 597 case amd64_sys_getsockopt: 598 case amd64_x32_sys_getsockopt: 599 return gdb_sys_getsockopt; 600 601 case amd64_sys_clone: 602 case amd64_x32_sys_clone: 603 return gdb_sys_clone; 604 605 case amd64_sys_fork: 606 case amd64_x32_sys_fork: 607 return gdb_sys_fork; 608 609 case amd64_sys_vfork: 610 case amd64_x32_sys_vfork: 611 return gdb_sys_vfork; 612 613 case amd64_sys_execve: 614 case amd64_x32_sys_execve: 615 return gdb_sys_execve; 616 617 case amd64_sys_exit: 618 case amd64_x32_sys_exit: 619 return gdb_sys_exit; 620 621 case amd64_sys_wait4: 622 case amd64_x32_sys_wait4: 623 return gdb_sys_wait4; 624 625 case amd64_sys_kill: 626 case amd64_x32_sys_kill: 627 return gdb_sys_kill; 628 629 case amd64_sys_uname: 630 case amd64_x32_sys_uname: 631 return gdb_sys_uname; 632 633 case amd64_sys_semget: 634 case amd64_x32_sys_semget: 635 return gdb_sys_semget; 636 637 case amd64_sys_semop: 638 case amd64_x32_sys_semop: 639 return gdb_sys_semop; 640 641 case amd64_sys_semctl: 642 case amd64_x32_sys_semctl: 643 return gdb_sys_semctl; 644 645 case amd64_sys_shmdt: 646 case amd64_x32_sys_shmdt: 647 return gdb_sys_shmdt; 648 649 case amd64_sys_msgget: 650 case amd64_x32_sys_msgget: 651 return gdb_sys_msgget; 652 653 case amd64_sys_msgsnd: 654 case amd64_x32_sys_msgsnd: 655 return gdb_sys_msgsnd; 656 657 case amd64_sys_msgrcv: 658 case amd64_x32_sys_msgrcv: 659 return gdb_sys_msgrcv; 660 661 case amd64_sys_msgctl: 662 case amd64_x32_sys_msgctl: 663 return gdb_sys_msgctl; 664 665 case amd64_sys_fcntl: 666 case amd64_x32_sys_fcntl: 667 return gdb_sys_fcntl; 668 669 case amd64_sys_flock: 670 case amd64_x32_sys_flock: 671 return gdb_sys_flock; 672 673 case amd64_sys_fsync: 674 case amd64_x32_sys_fsync: 675 return gdb_sys_fsync; 676 677 case amd64_sys_fdatasync: 678 case amd64_x32_sys_fdatasync: 679 return gdb_sys_fdatasync; 680 681 case amd64_sys_truncate: 682 case amd64_x32_sys_truncate: 683 return gdb_sys_truncate; 684 685 case amd64_sys_ftruncate: 686 case amd64_x32_sys_ftruncate: 687 return gdb_sys_ftruncate; 688 689 case amd64_sys_getdents: 690 case amd64_x32_sys_getdents: 691 return gdb_sys_getdents; 692 693 case amd64_sys_getcwd: 694 case amd64_x32_sys_getcwd: 695 return gdb_sys_getcwd; 696 697 case amd64_sys_chdir: 698 case amd64_x32_sys_chdir: 699 return gdb_sys_chdir; 700 701 case amd64_sys_fchdir: 702 case amd64_x32_sys_fchdir: 703 return gdb_sys_fchdir; 704 705 case amd64_sys_rename: 706 case amd64_x32_sys_rename: 707 return gdb_sys_rename; 708 709 case amd64_sys_mkdir: 710 case amd64_x32_sys_mkdir: 711 return gdb_sys_mkdir; 712 713 case amd64_sys_rmdir: 714 case amd64_x32_sys_rmdir: 715 return gdb_sys_rmdir; 716 717 case amd64_sys_creat: 718 case amd64_x32_sys_creat: 719 return gdb_sys_creat; 720 721 case amd64_sys_link: 722 case amd64_x32_sys_link: 723 return gdb_sys_link; 724 725 case amd64_sys_unlink: 726 case amd64_x32_sys_unlink: 727 return gdb_sys_unlink; 728 729 case amd64_sys_symlink: 730 case amd64_x32_sys_symlink: 731 return gdb_sys_symlink; 732 733 case amd64_sys_readlink: 734 case amd64_x32_sys_readlink: 735 return gdb_sys_readlink; 736 737 case amd64_sys_chmod: 738 case amd64_x32_sys_chmod: 739 return gdb_sys_chmod; 740 741 case amd64_sys_fchmod: 742 case amd64_x32_sys_fchmod: 743 return gdb_sys_fchmod; 744 745 case amd64_sys_chown: 746 case amd64_x32_sys_chown: 747 return gdb_sys_chown; 748 749 case amd64_sys_fchown: 750 case amd64_x32_sys_fchown: 751 return gdb_sys_fchown; 752 753 case amd64_sys_lchown: 754 case amd64_x32_sys_lchown: 755 return gdb_sys_lchown; 756 757 case amd64_sys_umask: 758 case amd64_x32_sys_umask: 759 return gdb_sys_umask; 760 761 case amd64_sys_gettimeofday: 762 case amd64_x32_sys_gettimeofday: 763 return gdb_sys_gettimeofday; 764 765 case amd64_sys_getrlimit: 766 case amd64_x32_sys_getrlimit: 767 return gdb_sys_getrlimit; 768 769 case amd64_sys_getrusage: 770 case amd64_x32_sys_getrusage: 771 return gdb_sys_getrusage; 772 773 case amd64_sys_sysinfo: 774 case amd64_x32_sys_sysinfo: 775 return gdb_sys_sysinfo; 776 777 case amd64_sys_times: 778 case amd64_x32_sys_times: 779 return gdb_sys_times; 780 781 case amd64_sys_ptrace: 782 case amd64_x32_sys_ptrace: 783 return gdb_sys_ptrace; 784 785 case amd64_sys_getuid: 786 case amd64_x32_sys_getuid: 787 return gdb_sys_getuid; 788 789 case amd64_sys_syslog: 790 case amd64_x32_sys_syslog: 791 return gdb_sys_syslog; 792 793 case amd64_sys_getgid: 794 case amd64_x32_sys_getgid: 795 return gdb_sys_getgid; 796 797 case amd64_sys_setuid: 798 case amd64_x32_sys_setuid: 799 return gdb_sys_setuid; 800 801 case amd64_sys_setgid: 802 case amd64_x32_sys_setgid: 803 return gdb_sys_setgid; 804 805 case amd64_sys_geteuid: 806 case amd64_x32_sys_geteuid: 807 return gdb_sys_geteuid; 808 809 case amd64_sys_getegid: 810 case amd64_x32_sys_getegid: 811 return gdb_sys_getegid; 812 813 case amd64_sys_setpgid: 814 case amd64_x32_sys_setpgid: 815 return gdb_sys_setpgid; 816 817 case amd64_sys_getppid: 818 case amd64_x32_sys_getppid: 819 return gdb_sys_getppid; 820 821 case amd64_sys_getpgrp: 822 case amd64_x32_sys_getpgrp: 823 return gdb_sys_getpgrp; 824 825 case amd64_sys_setsid: 826 case amd64_x32_sys_setsid: 827 return gdb_sys_setsid; 828 829 case amd64_sys_setreuid: 830 case amd64_x32_sys_setreuid: 831 return gdb_sys_setreuid; 832 833 case amd64_sys_setregid: 834 case amd64_x32_sys_setregid: 835 return gdb_sys_setregid; 836 837 case amd64_sys_getgroups: 838 case amd64_x32_sys_getgroups: 839 return gdb_sys_getgroups; 840 841 case amd64_sys_setgroups: 842 case amd64_x32_sys_setgroups: 843 return gdb_sys_setgroups; 844 845 case amd64_sys_setresuid: 846 case amd64_x32_sys_setresuid: 847 return gdb_sys_setresuid; 848 849 case amd64_sys_getresuid: 850 case amd64_x32_sys_getresuid: 851 return gdb_sys_getresuid; 852 853 case amd64_sys_setresgid: 854 case amd64_x32_sys_setresgid: 855 return gdb_sys_setresgid; 856 857 case amd64_sys_getresgid: 858 case amd64_x32_sys_getresgid: 859 return gdb_sys_getresgid; 860 861 case amd64_sys_getpgid: 862 case amd64_x32_sys_getpgid: 863 return gdb_sys_getpgid; 864 865 case amd64_sys_setfsuid: 866 case amd64_x32_sys_setfsuid: 867 return gdb_sys_setfsuid; 868 869 case amd64_sys_setfsgid: 870 case amd64_x32_sys_setfsgid: 871 return gdb_sys_setfsgid; 872 873 case amd64_sys_getsid: 874 case amd64_x32_sys_getsid: 875 return gdb_sys_getsid; 876 877 case amd64_sys_capget: 878 case amd64_x32_sys_capget: 879 return gdb_sys_capget; 880 881 case amd64_sys_capset: 882 case amd64_x32_sys_capset: 883 return gdb_sys_capset; 884 885 case amd64_sys_rt_sigpending: 886 case amd64_x32_sys_rt_sigpending: 887 return gdb_sys_rt_sigpending; 888 889 case amd64_sys_rt_sigtimedwait: 890 case amd64_x32_sys_rt_sigtimedwait: 891 return gdb_sys_rt_sigtimedwait; 892 893 case amd64_sys_rt_sigqueueinfo: 894 case amd64_x32_sys_rt_sigqueueinfo: 895 return gdb_sys_rt_sigqueueinfo; 896 897 case amd64_sys_rt_sigsuspend: 898 case amd64_x32_sys_rt_sigsuspend: 899 return gdb_sys_rt_sigsuspend; 900 901 case amd64_sys_sigaltstack: 902 case amd64_x32_sys_sigaltstack: 903 return gdb_sys_sigaltstack; 904 905 case amd64_sys_utime: 906 case amd64_x32_sys_utime: 907 return gdb_sys_utime; 908 909 case amd64_sys_mknod: 910 case amd64_x32_sys_mknod: 911 return gdb_sys_mknod; 912 913 case amd64_sys_personality: 914 case amd64_x32_sys_personality: 915 return gdb_sys_personality; 916 917 case amd64_sys_ustat: 918 case amd64_x32_sys_ustat: 919 return gdb_sys_ustat; 920 921 case amd64_sys_statfs: 922 case amd64_x32_sys_statfs: 923 return gdb_sys_statfs; 924 925 case amd64_sys_fstatfs: 926 case amd64_x32_sys_fstatfs: 927 return gdb_sys_fstatfs; 928 929 case amd64_sys_sysfs: 930 case amd64_x32_sys_sysfs: 931 return gdb_sys_sysfs; 932 933 case amd64_sys_getpriority: 934 case amd64_x32_sys_getpriority: 935 return gdb_sys_getpriority; 936 937 case amd64_sys_setpriority: 938 case amd64_x32_sys_setpriority: 939 return gdb_sys_setpriority; 940 941 case amd64_sys_sched_setparam: 942 case amd64_x32_sys_sched_setparam: 943 return gdb_sys_sched_setparam; 944 945 case amd64_sys_sched_getparam: 946 case amd64_x32_sys_sched_getparam: 947 return gdb_sys_sched_getparam; 948 949 case amd64_sys_sched_setscheduler: 950 case amd64_x32_sys_sched_setscheduler: 951 return gdb_sys_sched_setscheduler; 952 953 case amd64_sys_sched_getscheduler: 954 case amd64_x32_sys_sched_getscheduler: 955 return gdb_sys_sched_getscheduler; 956 957 case amd64_sys_sched_get_priority_max: 958 case amd64_x32_sys_sched_get_priority_max: 959 return gdb_sys_sched_get_priority_max; 960 961 case amd64_sys_sched_get_priority_min: 962 case amd64_x32_sys_sched_get_priority_min: 963 return gdb_sys_sched_get_priority_min; 964 965 case amd64_sys_sched_rr_get_interval: 966 case amd64_x32_sys_sched_rr_get_interval: 967 return gdb_sys_sched_rr_get_interval; 968 969 case amd64_sys_mlock: 970 case amd64_x32_sys_mlock: 971 return gdb_sys_mlock; 972 973 case amd64_sys_munlock: 974 case amd64_x32_sys_munlock: 975 return gdb_sys_munlock; 976 977 case amd64_sys_mlockall: 978 case amd64_x32_sys_mlockall: 979 return gdb_sys_mlockall; 980 981 case amd64_sys_munlockall: 982 case amd64_x32_sys_munlockall: 983 return gdb_sys_munlockall; 984 985 case amd64_sys_vhangup: 986 case amd64_x32_sys_vhangup: 987 return gdb_sys_vhangup; 988 989 case amd64_sys_modify_ldt: 990 case amd64_x32_sys_modify_ldt: 991 return gdb_sys_modify_ldt; 992 993 case amd64_sys_pivot_root: 994 case amd64_x32_sys_pivot_root: 995 return gdb_sys_pivot_root; 996 997 case amd64_sys_sysctl: 998 case amd64_x32_sys_sysctl: 999 return gdb_sys_sysctl; 1000 1001 case amd64_sys_prctl: 1002 case amd64_x32_sys_prctl: 1003 return gdb_sys_prctl; 1004 1005 case amd64_sys_arch_prctl: 1006 case amd64_x32_sys_arch_prctl: 1007 return gdb_sys_no_syscall; /* Note */ 1008 1009 case amd64_sys_adjtimex: 1010 case amd64_x32_sys_adjtimex: 1011 return gdb_sys_adjtimex; 1012 1013 case amd64_sys_setrlimit: 1014 case amd64_x32_sys_setrlimit: 1015 return gdb_sys_setrlimit; 1016 1017 case amd64_sys_chroot: 1018 case amd64_x32_sys_chroot: 1019 return gdb_sys_chroot; 1020 1021 case amd64_sys_sync: 1022 case amd64_x32_sys_sync: 1023 return gdb_sys_sync; 1024 1025 case amd64_sys_acct: 1026 case amd64_x32_sys_acct: 1027 return gdb_sys_acct; 1028 1029 case amd64_sys_settimeofday: 1030 case amd64_x32_sys_settimeofday: 1031 return gdb_sys_settimeofday; 1032 1033 case amd64_sys_mount: 1034 case amd64_x32_sys_mount: 1035 return gdb_sys_mount; 1036 1037 case amd64_sys_umount: 1038 case amd64_x32_sys_umount: 1039 return gdb_sys_umount; 1040 1041 case amd64_sys_swapon: 1042 case amd64_x32_sys_swapon: 1043 return gdb_sys_swapon; 1044 1045 case amd64_sys_swapoff: 1046 case amd64_x32_sys_swapoff: 1047 return gdb_sys_swapoff; 1048 1049 case amd64_sys_reboot: 1050 case amd64_x32_sys_reboot: 1051 return gdb_sys_reboot; 1052 1053 case amd64_sys_sethostname: 1054 case amd64_x32_sys_sethostname: 1055 return gdb_sys_sethostname; 1056 1057 case amd64_sys_setdomainname: 1058 case amd64_x32_sys_setdomainname: 1059 return gdb_sys_setdomainname; 1060 1061 case amd64_sys_iopl: 1062 case amd64_x32_sys_iopl: 1063 return gdb_sys_iopl; 1064 1065 case amd64_sys_ioperm: 1066 case amd64_x32_sys_ioperm: 1067 return gdb_sys_ioperm; 1068 1069 case amd64_sys_init_module: 1070 case amd64_x32_sys_init_module: 1071 return gdb_sys_init_module; 1072 1073 case amd64_sys_delete_module: 1074 case amd64_x32_sys_delete_module: 1075 return gdb_sys_delete_module; 1076 1077 case amd64_sys_quotactl: 1078 case amd64_x32_sys_quotactl: 1079 return gdb_sys_quotactl; 1080 1081 case amd64_sys_nfsservctl: 1082 return gdb_sys_nfsservctl; 1083 1084 case amd64_sys_gettid: 1085 case amd64_x32_sys_gettid: 1086 return gdb_sys_gettid; 1087 1088 case amd64_sys_readahead: 1089 case amd64_x32_sys_readahead: 1090 return gdb_sys_readahead; 1091 1092 case amd64_sys_setxattr: 1093 case amd64_x32_sys_setxattr: 1094 return gdb_sys_setxattr; 1095 1096 case amd64_sys_lsetxattr: 1097 case amd64_x32_sys_lsetxattr: 1098 return gdb_sys_lsetxattr; 1099 1100 case amd64_sys_fsetxattr: 1101 case amd64_x32_sys_fsetxattr: 1102 return gdb_sys_fsetxattr; 1103 1104 case amd64_sys_getxattr: 1105 case amd64_x32_sys_getxattr: 1106 return gdb_sys_getxattr; 1107 1108 case amd64_sys_lgetxattr: 1109 case amd64_x32_sys_lgetxattr: 1110 return gdb_sys_lgetxattr; 1111 1112 case amd64_sys_fgetxattr: 1113 case amd64_x32_sys_fgetxattr: 1114 return gdb_sys_fgetxattr; 1115 1116 case amd64_sys_listxattr: 1117 case amd64_x32_sys_listxattr: 1118 return gdb_sys_listxattr; 1119 1120 case amd64_sys_llistxattr: 1121 case amd64_x32_sys_llistxattr: 1122 return gdb_sys_llistxattr; 1123 1124 case amd64_sys_flistxattr: 1125 case amd64_x32_sys_flistxattr: 1126 return gdb_sys_flistxattr; 1127 1128 case amd64_sys_removexattr: 1129 case amd64_x32_sys_removexattr: 1130 return gdb_sys_removexattr; 1131 1132 case amd64_sys_lremovexattr: 1133 case amd64_x32_sys_lremovexattr: 1134 return gdb_sys_lremovexattr; 1135 1136 case amd64_sys_fremovexattr: 1137 case amd64_x32_sys_fremovexattr: 1138 return gdb_sys_fremovexattr; 1139 1140 case amd64_sys_tkill: 1141 case amd64_x32_sys_tkill: 1142 return gdb_sys_tkill; 1143 1144 case amd64_sys_time: 1145 case amd64_x32_sys_time: 1146 return gdb_sys_time; 1147 1148 case amd64_sys_futex: 1149 case amd64_x32_sys_futex: 1150 return gdb_sys_futex; 1151 1152 case amd64_sys_sched_setaffinity: 1153 case amd64_x32_sys_sched_setaffinity: 1154 return gdb_sys_sched_setaffinity; 1155 1156 case amd64_sys_sched_getaffinity: 1157 case amd64_x32_sys_sched_getaffinity: 1158 return gdb_sys_sched_getaffinity; 1159 1160 case amd64_sys_io_setup: 1161 case amd64_x32_sys_io_setup: 1162 return gdb_sys_io_setup; 1163 1164 case amd64_sys_io_destroy: 1165 case amd64_x32_sys_io_destroy: 1166 return gdb_sys_io_destroy; 1167 1168 case amd64_sys_io_getevents: 1169 case amd64_x32_sys_io_getevents: 1170 return gdb_sys_io_getevents; 1171 1172 case amd64_sys_io_submit: 1173 case amd64_x32_sys_io_submit: 1174 return gdb_sys_io_submit; 1175 1176 case amd64_sys_io_cancel: 1177 case amd64_x32_sys_io_cancel: 1178 return gdb_sys_io_cancel; 1179 1180 case amd64_sys_lookup_dcookie: 1181 case amd64_x32_sys_lookup_dcookie: 1182 return gdb_sys_lookup_dcookie; 1183 1184 case amd64_sys_epoll_create: 1185 case amd64_x32_sys_epoll_create: 1186 return gdb_sys_epoll_create; 1187 1188 case amd64_sys_remap_file_pages: 1189 case amd64_x32_sys_remap_file_pages: 1190 return gdb_sys_remap_file_pages; 1191 1192 case amd64_sys_getdents64: 1193 case amd64_x32_sys_getdents64: 1194 return gdb_sys_getdents64; 1195 1196 case amd64_sys_set_tid_address: 1197 case amd64_x32_sys_set_tid_address: 1198 return gdb_sys_set_tid_address; 1199 1200 case amd64_sys_restart_syscall: 1201 case amd64_x32_sys_restart_syscall: 1202 return gdb_sys_restart_syscall; 1203 1204 case amd64_sys_semtimedop: 1205 case amd64_x32_sys_semtimedop: 1206 return gdb_sys_semtimedop; 1207 1208 case amd64_sys_fadvise64: 1209 case amd64_x32_sys_fadvise64: 1210 return gdb_sys_fadvise64; 1211 1212 case amd64_sys_timer_create: 1213 case amd64_x32_sys_timer_create: 1214 return gdb_sys_timer_create; 1215 1216 case amd64_sys_timer_settime: 1217 case amd64_x32_sys_timer_settime: 1218 return gdb_sys_timer_settime; 1219 1220 case amd64_sys_timer_gettime: 1221 case amd64_x32_sys_timer_gettime: 1222 return gdb_sys_timer_gettime; 1223 1224 case amd64_sys_timer_getoverrun: 1225 case amd64_x32_sys_timer_getoverrun: 1226 return gdb_sys_timer_getoverrun; 1227 1228 case amd64_sys_timer_delete: 1229 case amd64_x32_sys_timer_delete: 1230 return gdb_sys_timer_delete; 1231 1232 case amd64_sys_clock_settime: 1233 case amd64_x32_sys_clock_settime: 1234 return gdb_sys_clock_settime; 1235 1236 case amd64_sys_clock_gettime: 1237 case amd64_x32_sys_clock_gettime: 1238 return gdb_sys_clock_gettime; 1239 1240 case amd64_sys_clock_getres: 1241 case amd64_x32_sys_clock_getres: 1242 return gdb_sys_clock_getres; 1243 1244 case amd64_sys_clock_nanosleep: 1245 case amd64_x32_sys_clock_nanosleep: 1246 return gdb_sys_clock_nanosleep; 1247 1248 case amd64_sys_exit_group: 1249 case amd64_x32_sys_exit_group: 1250 return gdb_sys_exit_group; 1251 1252 case amd64_sys_epoll_wait: 1253 case amd64_x32_sys_epoll_wait: 1254 return gdb_sys_epoll_wait; 1255 1256 case amd64_sys_epoll_ctl: 1257 case amd64_x32_sys_epoll_ctl: 1258 return gdb_sys_epoll_ctl; 1259 1260 case amd64_sys_tgkill: 1261 case amd64_x32_sys_tgkill: 1262 return gdb_sys_tgkill; 1263 1264 case amd64_sys_utimes: 1265 case amd64_x32_sys_utimes: 1266 return gdb_sys_utimes; 1267 1268 case amd64_sys_mbind: 1269 case amd64_x32_sys_mbind: 1270 return gdb_sys_mbind; 1271 1272 case amd64_sys_set_mempolicy: 1273 case amd64_x32_sys_set_mempolicy: 1274 return gdb_sys_set_mempolicy; 1275 1276 case amd64_sys_get_mempolicy: 1277 case amd64_x32_sys_get_mempolicy: 1278 return gdb_sys_get_mempolicy; 1279 1280 case amd64_sys_mq_open: 1281 case amd64_x32_sys_mq_open: 1282 return gdb_sys_mq_open; 1283 1284 case amd64_sys_mq_unlink: 1285 case amd64_x32_sys_mq_unlink: 1286 return gdb_sys_mq_unlink; 1287 1288 case amd64_sys_mq_timedsend: 1289 case amd64_x32_sys_mq_timedsend: 1290 return gdb_sys_mq_timedsend; 1291 1292 case amd64_sys_mq_timedreceive: 1293 case amd64_x32_sys_mq_timedreceive: 1294 return gdb_sys_mq_timedreceive; 1295 1296 case amd64_sys_mq_notify: 1297 case amd64_x32_sys_mq_notify: 1298 return gdb_sys_mq_notify; 1299 1300 case amd64_sys_mq_getsetattr: 1301 case amd64_x32_sys_mq_getsetattr: 1302 return gdb_sys_mq_getsetattr; 1303 1304 case amd64_sys_kexec_load: 1305 case amd64_x32_sys_kexec_load: 1306 return gdb_sys_kexec_load; 1307 1308 case amd64_sys_waitid: 1309 case amd64_x32_sys_waitid: 1310 return gdb_sys_waitid; 1311 1312 case amd64_sys_add_key: 1313 case amd64_x32_sys_add_key: 1314 return gdb_sys_add_key; 1315 1316 case amd64_sys_request_key: 1317 case amd64_x32_sys_request_key: 1318 return gdb_sys_request_key; 1319 1320 case amd64_sys_keyctl: 1321 case amd64_x32_sys_keyctl: 1322 return gdb_sys_keyctl; 1323 1324 case amd64_sys_ioprio_set: 1325 case amd64_x32_sys_ioprio_set: 1326 return gdb_sys_ioprio_set; 1327 1328 case amd64_sys_ioprio_get: 1329 case amd64_x32_sys_ioprio_get: 1330 return gdb_sys_ioprio_get; 1331 1332 case amd64_sys_inotify_init: 1333 case amd64_x32_sys_inotify_init: 1334 return gdb_sys_inotify_init; 1335 1336 case amd64_sys_inotify_add_watch: 1337 case amd64_x32_sys_inotify_add_watch: 1338 return gdb_sys_inotify_add_watch; 1339 1340 case amd64_sys_inotify_rm_watch: 1341 case amd64_x32_sys_inotify_rm_watch: 1342 return gdb_sys_inotify_rm_watch; 1343 1344 case amd64_sys_migrate_pages: 1345 case amd64_x32_sys_migrate_pages: 1346 return gdb_sys_migrate_pages; 1347 1348 case amd64_sys_openat: 1349 case amd64_x32_sys_openat: 1350 return gdb_sys_openat; 1351 1352 case amd64_sys_mkdirat: 1353 case amd64_x32_sys_mkdirat: 1354 return gdb_sys_mkdirat; 1355 1356 case amd64_sys_mknodat: 1357 case amd64_x32_sys_mknodat: 1358 return gdb_sys_mknodat; 1359 1360 case amd64_sys_fchownat: 1361 case amd64_x32_sys_fchownat: 1362 return gdb_sys_fchownat; 1363 1364 case amd64_sys_futimesat: 1365 case amd64_x32_sys_futimesat: 1366 return gdb_sys_futimesat; 1367 1368 case amd64_sys_newfstatat: 1369 case amd64_x32_sys_newfstatat: 1370 return gdb_sys_newfstatat; 1371 1372 case amd64_sys_unlinkat: 1373 case amd64_x32_sys_unlinkat: 1374 return gdb_sys_unlinkat; 1375 1376 case amd64_sys_renameat: 1377 case amd64_x32_sys_renameat: 1378 return gdb_sys_renameat; 1379 1380 case amd64_sys_linkat: 1381 case amd64_x32_sys_linkat: 1382 return gdb_sys_linkat; 1383 1384 case amd64_sys_symlinkat: 1385 case amd64_x32_sys_symlinkat: 1386 return gdb_sys_symlinkat; 1387 1388 case amd64_sys_readlinkat: 1389 case amd64_x32_sys_readlinkat: 1390 return gdb_sys_readlinkat; 1391 1392 case amd64_sys_fchmodat: 1393 case amd64_x32_sys_fchmodat: 1394 return gdb_sys_fchmodat; 1395 1396 case amd64_sys_faccessat: 1397 case amd64_x32_sys_faccessat: 1398 return gdb_sys_faccessat; 1399 1400 case amd64_sys_pselect6: 1401 case amd64_x32_sys_pselect6: 1402 return gdb_sys_pselect6; 1403 1404 case amd64_sys_ppoll: 1405 case amd64_x32_sys_ppoll: 1406 return gdb_sys_ppoll; 1407 1408 case amd64_sys_unshare: 1409 case amd64_x32_sys_unshare: 1410 return gdb_sys_unshare; 1411 1412 case amd64_sys_set_robust_list: 1413 case amd64_x32_sys_set_robust_list: 1414 return gdb_sys_set_robust_list; 1415 1416 case amd64_sys_get_robust_list: 1417 case amd64_x32_sys_get_robust_list: 1418 return gdb_sys_get_robust_list; 1419 1420 case amd64_sys_splice: 1421 case amd64_x32_sys_splice: 1422 return gdb_sys_splice; 1423 1424 case amd64_sys_tee: 1425 case amd64_x32_sys_tee: 1426 return gdb_sys_tee; 1427 1428 case amd64_sys_sync_file_range: 1429 case amd64_x32_sys_sync_file_range: 1430 return gdb_sys_sync_file_range; 1431 1432 case amd64_sys_vmsplice: 1433 case amd64_x32_sys_vmsplice: 1434 return gdb_sys_vmsplice; 1435 1436 case amd64_sys_move_pages: 1437 case amd64_x32_sys_move_pages: 1438 return gdb_sys_move_pages; 1439 1440 default: 1441 return gdb_sys_no_syscall; 1442 } 1443 1444 DIAGNOSTIC_POP 1445 } 1446 1447 /* Parse the arguments of current system call instruction and record 1448 the values of the registers and memory that will be changed into 1449 "record_full_arch_list". This instruction is "syscall". 1450 1451 Return -1 if something wrong. */ 1452 1453 static struct linux_record_tdep amd64_linux_record_tdep; 1454 static struct linux_record_tdep amd64_x32_linux_record_tdep; 1455 1456 #define RECORD_ARCH_GET_FS 0x1003 1457 #define RECORD_ARCH_GET_GS 0x1004 1458 1459 static int 1460 amd64_linux_syscall_record_common (struct regcache *regcache, 1461 struct linux_record_tdep *linux_record_tdep_p) 1462 { 1463 int ret; 1464 ULONGEST syscall_native; 1465 enum gdb_syscall syscall_gdb = gdb_sys_no_syscall; 1466 1467 regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native); 1468 1469 switch (syscall_native) 1470 { 1471 case amd64_sys_rt_sigreturn: 1472 case amd64_x32_sys_rt_sigreturn: 1473 if (amd64_all_but_ip_registers_record (regcache)) 1474 return -1; 1475 return 0; 1476 break; 1477 1478 case amd64_sys_arch_prctl: 1479 case amd64_x32_sys_arch_prctl: 1480 { 1481 ULONGEST arg3; 1482 regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3, 1483 &arg3); 1484 if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS) 1485 { 1486 CORE_ADDR addr; 1487 1488 regcache_raw_read_unsigned (regcache, 1489 linux_record_tdep_p->arg2, 1490 &addr); 1491 if (record_full_arch_list_add_mem 1492 (addr, linux_record_tdep_p->size_ulong)) 1493 return -1; 1494 } 1495 goto record_regs; 1496 } 1497 break; 1498 } 1499 1500 syscall_gdb 1501 = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native); 1502 1503 if (syscall_gdb == gdb_sys_no_syscall) 1504 { 1505 gdb_printf (gdb_stderr, 1506 _("Process record and replay target doesn't " 1507 "support syscall number %s\n"), 1508 pulongest (syscall_native)); 1509 return -1; 1510 } 1511 else 1512 { 1513 ret = record_linux_system_call (syscall_gdb, regcache, 1514 linux_record_tdep_p); 1515 if (ret) 1516 return ret; 1517 } 1518 1519 record_regs: 1520 /* Record the return value of the system call. */ 1521 if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) 1522 return -1; 1523 if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) 1524 return -1; 1525 1526 return 0; 1527 } 1528 1529 static int 1530 amd64_linux_syscall_record (struct regcache *regcache) 1531 { 1532 return amd64_linux_syscall_record_common (regcache, 1533 &amd64_linux_record_tdep); 1534 } 1535 1536 static int 1537 amd64_x32_linux_syscall_record (struct regcache *regcache) 1538 { 1539 return amd64_linux_syscall_record_common (regcache, 1540 &amd64_x32_linux_record_tdep); 1541 } 1542 1543 #define AMD64_LINUX_redzone 128 1544 #define AMD64_LINUX_xstate 512 1545 #define AMD64_LINUX_frame_size 560 1546 1547 static int 1548 amd64_linux_record_signal (struct gdbarch *gdbarch, 1549 struct regcache *regcache, 1550 enum gdb_signal signal) 1551 { 1552 ULONGEST rsp; 1553 1554 if (amd64_all_but_ip_registers_record (regcache)) 1555 return -1; 1556 1557 if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM)) 1558 return -1; 1559 1560 /* Record the change in the stack. */ 1561 regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp); 1562 /* redzone 1563 sp -= 128; */ 1564 rsp -= AMD64_LINUX_redzone; 1565 /* This is for xstate. 1566 sp -= sizeof (struct _fpstate); */ 1567 rsp -= AMD64_LINUX_xstate; 1568 /* This is for frame_size. 1569 sp -= sizeof (struct rt_sigframe); */ 1570 rsp -= AMD64_LINUX_frame_size; 1571 if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone 1572 + AMD64_LINUX_xstate 1573 + AMD64_LINUX_frame_size)) 1574 return -1; 1575 1576 if (record_full_arch_list_add_end ()) 1577 return -1; 1578 1579 return 0; 1580 } 1581 1582 const target_desc * 1583 amd64_linux_read_description (uint64_t xcr0_features_bit, bool is_x32) 1584 { 1585 static target_desc *amd64_linux_tdescs \ 1586 [2/*AVX*/][2/*MPX*/][2/*AVX512*/][2/*PKRU*/] = {}; 1587 static target_desc *x32_linux_tdescs \ 1588 [2/*AVX*/][2/*AVX512*/][2/*PKRU*/] = {}; 1589 1590 target_desc **tdesc; 1591 1592 if (is_x32) 1593 { 1594 tdesc = &x32_linux_tdescs[(xcr0_features_bit & X86_XSTATE_AVX) ? 1 : 0 ] 1595 [(xcr0_features_bit & X86_XSTATE_AVX512) ? 1 : 0] 1596 [(xcr0_features_bit & X86_XSTATE_PKRU) ? 1 : 0]; 1597 } 1598 else 1599 { 1600 tdesc = &amd64_linux_tdescs[(xcr0_features_bit & X86_XSTATE_AVX) ? 1 : 0] 1601 [(xcr0_features_bit & X86_XSTATE_MPX) ? 1 : 0] 1602 [(xcr0_features_bit & X86_XSTATE_AVX512) ? 1 : 0] 1603 [(xcr0_features_bit & X86_XSTATE_PKRU) ? 1 : 0]; 1604 } 1605 1606 if (*tdesc == NULL) 1607 *tdesc = amd64_create_target_description (xcr0_features_bit, is_x32, 1608 true, true); 1609 1610 return *tdesc; 1611 } 1612 1613 /* Get Linux/x86 target description from core dump. */ 1614 1615 static const struct target_desc * 1616 amd64_linux_core_read_description (struct gdbarch *gdbarch, 1617 struct target_ops *target, 1618 bfd *abfd) 1619 { 1620 /* Linux/x86-64. */ 1621 uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd); 1622 1623 return amd64_linux_read_description (xcr0 & X86_XSTATE_ALL_MASK, 1624 gdbarch_ptr_bit (gdbarch) == 32); 1625 } 1626 1627 /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */ 1628 1629 static void 1630 amd64_linux_supply_xstateregset (const struct regset *regset, 1631 struct regcache *regcache, int regnum, 1632 const void *xstateregs, size_t len) 1633 { 1634 amd64_supply_xsave (regcache, regnum, xstateregs); 1635 } 1636 1637 /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */ 1638 1639 static void 1640 amd64_linux_collect_xstateregset (const struct regset *regset, 1641 const struct regcache *regcache, 1642 int regnum, void *xstateregs, size_t len) 1643 { 1644 amd64_collect_xsave (regcache, regnum, xstateregs, 1); 1645 } 1646 1647 static const struct regset amd64_linux_xstateregset = 1648 { 1649 NULL, 1650 amd64_linux_supply_xstateregset, 1651 amd64_linux_collect_xstateregset 1652 }; 1653 1654 /* Iterate over core file register note sections. */ 1655 1656 static void 1657 amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch, 1658 iterate_over_regset_sections_cb *cb, 1659 void *cb_data, 1660 const struct regcache *regcache) 1661 { 1662 i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); 1663 1664 cb (".reg", 27 * 8, 27 * 8, &i386_gregset, NULL, cb_data); 1665 cb (".reg2", 512, 512, &amd64_fpregset, NULL, cb_data); 1666 cb (".reg-xstate", X86_XSTATE_SIZE (tdep->xcr0), X86_XSTATE_SIZE (tdep->xcr0), 1667 &amd64_linux_xstateregset, "XSAVE extended state", cb_data); 1668 } 1669 1670 /* The instruction sequences used in x86_64 machines for a 1671 disabled is-enabled probe. */ 1672 1673 const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = { 1674 /* xor %rax, %rax */ 0x48, 0x33, 0xc0, 1675 /* nop */ 0x90, 1676 /* nop */ 0x90 1677 }; 1678 1679 const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = { 1680 /* xor %rax, %rax */ 0x48, 0x33, 0xc0, 1681 /* ret */ 0xc3, 1682 /* nop */ 0x90 1683 }; 1684 1685 /* The instruction sequence used in x86_64 machines for enabling a 1686 DTrace is-enabled probe. */ 1687 1688 const gdb_byte amd64_dtrace_enable_probe_sequence[] = { 1689 /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00 1690 }; 1691 1692 /* The instruction sequence used in x86_64 machines for disabling a 1693 DTrace is-enabled probe. */ 1694 1695 const gdb_byte amd64_dtrace_disable_probe_sequence[] = { 1696 /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90 1697 }; 1698 1699 /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in 1700 gdbarch.h. */ 1701 1702 static int 1703 amd64_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr) 1704 { 1705 gdb_byte buf[5]; 1706 1707 /* This function returns 1 if the instructions at ADDR do _not_ 1708 follow any of the amd64_dtrace_disabled_probe_sequence_* 1709 patterns. 1710 1711 Note that ADDR is offset 3 bytes from the beginning of these 1712 sequences. */ 1713 1714 read_code (addr - 3, buf, 5); 1715 return (memcmp (buf, amd64_dtrace_disabled_probe_sequence_1, 5) != 0 1716 && memcmp (buf, amd64_dtrace_disabled_probe_sequence_2, 5) != 0); 1717 } 1718 1719 /* Implementation of `gdbarch_dtrace_enable_probe', as defined in 1720 gdbarch.h. */ 1721 1722 static void 1723 amd64_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr) 1724 { 1725 /* Note also that ADDR is offset 3 bytes from the beginning of 1726 amd64_dtrace_enable_probe_sequence. */ 1727 1728 write_memory (addr - 3, amd64_dtrace_enable_probe_sequence, 5); 1729 } 1730 1731 /* Implementation of `gdbarch_dtrace_disable_probe', as defined in 1732 gdbarch.h. */ 1733 1734 static void 1735 amd64_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr) 1736 { 1737 /* Note also that ADDR is offset 3 bytes from the beginning of 1738 amd64_dtrace_disable_probe_sequence. */ 1739 1740 write_memory (addr - 3, amd64_dtrace_disable_probe_sequence, 5); 1741 } 1742 1743 /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined 1744 in gdbarch.h. */ 1745 1746 static expr::operation_up 1747 amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch, 1748 int narg) 1749 { 1750 /* DTrace probe arguments can be found on the ABI-defined places for 1751 regular arguments at the current PC. The probe abstraction 1752 currently supports up to 12 arguments for probes. */ 1753 1754 using namespace expr; 1755 1756 if (narg < 6) 1757 { 1758 static const int arg_reg_map[6] = 1759 { 1760 AMD64_RDI_REGNUM, /* Arg 1. */ 1761 AMD64_RSI_REGNUM, /* Arg 2. */ 1762 AMD64_RDX_REGNUM, /* Arg 3. */ 1763 AMD64_RCX_REGNUM, /* Arg 4. */ 1764 AMD64_R8_REGNUM, /* Arg 5. */ 1765 AMD64_R9_REGNUM /* Arg 6. */ 1766 }; 1767 int regno = arg_reg_map[narg]; 1768 const char *regname = user_reg_map_regnum_to_name (gdbarch, regno); 1769 return make_operation<register_operation> (regname); 1770 } 1771 else 1772 { 1773 /* Additional arguments are passed on the stack. */ 1774 const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM); 1775 1776 /* Displacement. */ 1777 struct type *long_type = builtin_type (gdbarch)->builtin_long; 1778 operation_up disp = make_operation<long_const_operation> (long_type, 1779 narg - 6); 1780 1781 /* Register: SP. */ 1782 operation_up reg = make_operation<register_operation> (regname); 1783 1784 operation_up add = make_operation<add_operation> (std::move (disp), 1785 std::move (reg)); 1786 1787 /* Cast to long. */ 1788 operation_up cast = make_operation<unop_cast_operation> (std::move (add), 1789 long_type); 1790 1791 return make_operation<unop_ind_operation> (std::move (cast)); 1792 } 1793 } 1794 1795 static void 1796 amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch, 1797 int num_disp_step_buffers) 1798 { 1799 i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); 1800 1801 linux_init_abi (info, gdbarch, num_disp_step_buffers); 1802 1803 tdep->sigtramp_p = amd64_linux_sigtramp_p; 1804 tdep->sigcontext_addr = amd64_linux_sigcontext_addr; 1805 tdep->sc_reg_offset = amd64_linux_sc_reg_offset; 1806 tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset); 1807 1808 tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET; 1809 1810 /* Add the %orig_rax register used for syscall restarting. */ 1811 set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc); 1812 1813 tdep->register_reggroup_p = amd64_linux_register_reggroup_p; 1814 1815 /* Functions for 'catch syscall'. */ 1816 set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64); 1817 set_gdbarch_get_syscall_number (gdbarch, 1818 amd64_linux_get_syscall_number); 1819 1820 /* Enable TLS support. */ 1821 set_gdbarch_fetch_tls_load_module_address (gdbarch, 1822 svr4_fetch_objfile_link_map); 1823 1824 /* GNU/Linux uses SVR4-style shared libraries. */ 1825 set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); 1826 1827 /* GNU/Linux uses the dynamic linker included in the GNU C Library. */ 1828 set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); 1829 1830 /* Iterate over core file register note sections. */ 1831 set_gdbarch_iterate_over_regset_sections 1832 (gdbarch, amd64_linux_iterate_over_regset_sections); 1833 1834 set_gdbarch_core_read_description (gdbarch, 1835 amd64_linux_core_read_description); 1836 1837 /* Displaced stepping. */ 1838 set_gdbarch_displaced_step_copy_insn (gdbarch, 1839 amd64_displaced_step_copy_insn); 1840 set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup); 1841 1842 set_gdbarch_process_record (gdbarch, i386_process_record); 1843 set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal); 1844 1845 set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type); 1846 set_gdbarch_report_signal_info (gdbarch, i386_linux_report_signal_info); 1847 } 1848 1849 static void 1850 amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 1851 { 1852 i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); 1853 struct tdesc_arch_data *tdesc_data = info.tdesc_data; 1854 const struct tdesc_feature *feature; 1855 int valid_p; 1856 1857 gdb_assert (tdesc_data); 1858 1859 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset; 1860 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset); 1861 tdep->sizeof_gregset = 27 * 8; 1862 1863 amd64_init_abi (info, gdbarch, 1864 amd64_linux_read_description (X86_XSTATE_SSE_MASK, false)); 1865 1866 const target_desc *tdesc = tdep->tdesc; 1867 1868 /* Reserve a number for orig_rax. */ 1869 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS); 1870 1871 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux"); 1872 if (feature == NULL) 1873 return; 1874 1875 valid_p = tdesc_numbered_register (feature, tdesc_data, 1876 AMD64_LINUX_ORIG_RAX_REGNUM, 1877 "orig_rax"); 1878 if (!valid_p) 1879 return; 1880 1881 amd64_linux_init_abi_common (info, gdbarch, 2); 1882 1883 /* Initialize the amd64_linux_record_tdep. */ 1884 /* These values are the size of the type that will be used in a system 1885 call. They are obtained from Linux Kernel source. */ 1886 amd64_linux_record_tdep.size_pointer 1887 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT; 1888 amd64_linux_record_tdep.size__old_kernel_stat = 32; 1889 amd64_linux_record_tdep.size_tms = 32; 1890 amd64_linux_record_tdep.size_loff_t = 8; 1891 amd64_linux_record_tdep.size_flock = 32; 1892 amd64_linux_record_tdep.size_oldold_utsname = 45; 1893 amd64_linux_record_tdep.size_ustat = 32; 1894 /* ADM64 doesn't need this size because it doesn't have sys_sigaction 1895 but sys_rt_sigaction. */ 1896 amd64_linux_record_tdep.size_old_sigaction = 32; 1897 /* ADM64 doesn't need this size because it doesn't have sys_sigpending 1898 but sys_rt_sigpending. */ 1899 amd64_linux_record_tdep.size_old_sigset_t = 8; 1900 amd64_linux_record_tdep.size_rlimit = 16; 1901 amd64_linux_record_tdep.size_rusage = 144; 1902 amd64_linux_record_tdep.size_timeval = 16; 1903 amd64_linux_record_tdep.size_timezone = 8; 1904 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16 1905 but sys_getgroups. */ 1906 amd64_linux_record_tdep.size_old_gid_t = 2; 1907 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16 1908 but sys_getresuid. */ 1909 amd64_linux_record_tdep.size_old_uid_t = 2; 1910 amd64_linux_record_tdep.size_fd_set = 128; 1911 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */ 1912 amd64_linux_record_tdep.size_old_dirent = 280; 1913 amd64_linux_record_tdep.size_statfs = 120; 1914 amd64_linux_record_tdep.size_statfs64 = 120; 1915 amd64_linux_record_tdep.size_sockaddr = 16; 1916 amd64_linux_record_tdep.size_int 1917 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT; 1918 amd64_linux_record_tdep.size_long 1919 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; 1920 amd64_linux_record_tdep.size_ulong 1921 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; 1922 amd64_linux_record_tdep.size_msghdr = 56; 1923 amd64_linux_record_tdep.size_itimerval = 32; 1924 amd64_linux_record_tdep.size_stat = 144; 1925 amd64_linux_record_tdep.size_old_utsname = 325; 1926 amd64_linux_record_tdep.size_sysinfo = 112; 1927 amd64_linux_record_tdep.size_msqid_ds = 120; 1928 amd64_linux_record_tdep.size_shmid_ds = 112; 1929 amd64_linux_record_tdep.size_new_utsname = 390; 1930 amd64_linux_record_tdep.size_timex = 208; 1931 amd64_linux_record_tdep.size_mem_dqinfo = 24; 1932 amd64_linux_record_tdep.size_if_dqblk = 72; 1933 amd64_linux_record_tdep.size_fs_quota_stat = 80; 1934 amd64_linux_record_tdep.size_timespec = 16; 1935 amd64_linux_record_tdep.size_pollfd = 8; 1936 amd64_linux_record_tdep.size_NFS_FHSIZE = 32; 1937 amd64_linux_record_tdep.size_knfsd_fh = 132; 1938 amd64_linux_record_tdep.size_TASK_COMM_LEN = 16; 1939 amd64_linux_record_tdep.size_sigaction = 32; 1940 amd64_linux_record_tdep.size_sigset_t = 8; 1941 amd64_linux_record_tdep.size_siginfo_t = 128; 1942 amd64_linux_record_tdep.size_cap_user_data_t = 8; 1943 amd64_linux_record_tdep.size_stack_t = 24; 1944 amd64_linux_record_tdep.size_off_t = 8; 1945 amd64_linux_record_tdep.size_stat64 = 144; 1946 amd64_linux_record_tdep.size_gid_t = 4; 1947 amd64_linux_record_tdep.size_uid_t = 4; 1948 amd64_linux_record_tdep.size_PAGE_SIZE = 4096; 1949 amd64_linux_record_tdep.size_flock64 = 32; 1950 amd64_linux_record_tdep.size_user_desc = 16; 1951 amd64_linux_record_tdep.size_io_event = 32; 1952 amd64_linux_record_tdep.size_iocb = 64; 1953 amd64_linux_record_tdep.size_epoll_event = 12; 1954 amd64_linux_record_tdep.size_itimerspec = 32; 1955 amd64_linux_record_tdep.size_mq_attr = 64; 1956 amd64_linux_record_tdep.size_termios = 36; 1957 amd64_linux_record_tdep.size_termios2 = 44; 1958 amd64_linux_record_tdep.size_pid_t = 4; 1959 amd64_linux_record_tdep.size_winsize = 8; 1960 amd64_linux_record_tdep.size_serial_struct = 72; 1961 amd64_linux_record_tdep.size_serial_icounter_struct = 80; 1962 amd64_linux_record_tdep.size_hayes_esp_config = 12; 1963 amd64_linux_record_tdep.size_size_t = 8; 1964 amd64_linux_record_tdep.size_iovec = 16; 1965 amd64_linux_record_tdep.size_time_t = 8; 1966 1967 /* These values are the second argument of system call "sys_fcntl" 1968 and "sys_fcntl64". They are obtained from Linux Kernel source. */ 1969 amd64_linux_record_tdep.fcntl_F_GETLK = 5; 1970 amd64_linux_record_tdep.fcntl_F_GETLK64 = 12; 1971 amd64_linux_record_tdep.fcntl_F_SETLK64 = 13; 1972 amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14; 1973 1974 amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM; 1975 amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM; 1976 amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM; 1977 amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM; 1978 amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM; 1979 amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM; 1980 1981 /* These values are the second argument of system call "sys_ioctl". 1982 They are obtained from Linux Kernel source. */ 1983 amd64_linux_record_tdep.ioctl_TCGETS = 0x5401; 1984 amd64_linux_record_tdep.ioctl_TCSETS = 0x5402; 1985 amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403; 1986 amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404; 1987 amd64_linux_record_tdep.ioctl_TCGETA = 0x5405; 1988 amd64_linux_record_tdep.ioctl_TCSETA = 0x5406; 1989 amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407; 1990 amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408; 1991 amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409; 1992 amd64_linux_record_tdep.ioctl_TCXONC = 0x540A; 1993 amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B; 1994 amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C; 1995 amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D; 1996 amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E; 1997 amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F; 1998 amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410; 1999 amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411; 2000 amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412; 2001 amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413; 2002 amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414; 2003 amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415; 2004 amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416; 2005 amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417; 2006 amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418; 2007 amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419; 2008 amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A; 2009 amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B; 2010 amd64_linux_record_tdep.ioctl_TIOCINQ 2011 = amd64_linux_record_tdep.ioctl_FIONREAD; 2012 amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C; 2013 amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D; 2014 amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E; 2015 amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F; 2016 amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420; 2017 amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421; 2018 amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422; 2019 amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423; 2020 amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424; 2021 amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425; 2022 amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426; 2023 amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427; 2024 amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428; 2025 amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429; 2026 amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a; 2027 amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b; 2028 amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c; 2029 amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d; 2030 amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430; 2031 amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431; 2032 amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450; 2033 amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451; 2034 amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452; 2035 amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453; 2036 amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454; 2037 amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455; 2038 amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456; 2039 amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457; 2040 amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458; 2041 amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459; 2042 amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A; 2043 amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B; 2044 amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C; 2045 amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D; 2046 amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E; 2047 amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F; 2048 amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460; 2049 2050 tdep->i386_syscall_record = amd64_linux_syscall_record; 2051 2052 /* GNU/Linux uses SVR4-style shared libraries. */ 2053 set_solib_svr4_fetch_link_map_offsets 2054 (gdbarch, linux_lp64_fetch_link_map_offsets); 2055 2056 /* Register DTrace handlers. */ 2057 set_gdbarch_dtrace_parse_probe_argument (gdbarch, amd64_dtrace_parse_probe_argument); 2058 set_gdbarch_dtrace_probe_is_enabled (gdbarch, amd64_dtrace_probe_is_enabled); 2059 set_gdbarch_dtrace_enable_probe (gdbarch, amd64_dtrace_enable_probe); 2060 set_gdbarch_dtrace_disable_probe (gdbarch, amd64_dtrace_disable_probe); 2061 } 2062 2063 static void 2064 amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 2065 { 2066 i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); 2067 struct tdesc_arch_data *tdesc_data = info.tdesc_data; 2068 const struct tdesc_feature *feature; 2069 int valid_p; 2070 2071 gdb_assert (tdesc_data); 2072 2073 tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset; 2074 tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset); 2075 tdep->sizeof_gregset = 27 * 8; 2076 2077 amd64_x32_init_abi (info, gdbarch, 2078 amd64_linux_read_description (X86_XSTATE_SSE_MASK, 2079 true)); 2080 2081 /* Reserve a number for orig_rax. */ 2082 set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS); 2083 2084 const target_desc *tdesc = tdep->tdesc; 2085 2086 feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux"); 2087 if (feature == NULL) 2088 return; 2089 2090 valid_p = tdesc_numbered_register (feature, tdesc_data, 2091 AMD64_LINUX_ORIG_RAX_REGNUM, 2092 "orig_rax"); 2093 if (!valid_p) 2094 return; 2095 2096 amd64_linux_init_abi_common (info, gdbarch, 0); 2097 2098 /* Initialize the amd64_x32_linux_record_tdep. */ 2099 /* These values are the size of the type that will be used in a system 2100 call. They are obtained from Linux Kernel source. */ 2101 amd64_x32_linux_record_tdep.size_pointer 2102 = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT; 2103 amd64_x32_linux_record_tdep.size__old_kernel_stat = 32; 2104 amd64_x32_linux_record_tdep.size_tms = 32; 2105 amd64_x32_linux_record_tdep.size_loff_t = 8; 2106 amd64_x32_linux_record_tdep.size_flock = 32; 2107 amd64_x32_linux_record_tdep.size_oldold_utsname = 45; 2108 amd64_x32_linux_record_tdep.size_ustat = 32; 2109 /* ADM64 doesn't need this size because it doesn't have sys_sigaction 2110 but sys_rt_sigaction. */ 2111 amd64_x32_linux_record_tdep.size_old_sigaction = 16; 2112 /* ADM64 doesn't need this size because it doesn't have sys_sigpending 2113 but sys_rt_sigpending. */ 2114 amd64_x32_linux_record_tdep.size_old_sigset_t = 4; 2115 amd64_x32_linux_record_tdep.size_rlimit = 16; 2116 amd64_x32_linux_record_tdep.size_rusage = 144; 2117 amd64_x32_linux_record_tdep.size_timeval = 16; 2118 amd64_x32_linux_record_tdep.size_timezone = 8; 2119 /* ADM64 doesn't need this size because it doesn't have sys_getgroups16 2120 but sys_getgroups. */ 2121 amd64_x32_linux_record_tdep.size_old_gid_t = 2; 2122 /* ADM64 doesn't need this size because it doesn't have sys_getresuid16 2123 but sys_getresuid. */ 2124 amd64_x32_linux_record_tdep.size_old_uid_t = 2; 2125 amd64_x32_linux_record_tdep.size_fd_set = 128; 2126 /* ADM64 doesn't need this size because it doesn't have sys_readdir. */ 2127 amd64_x32_linux_record_tdep.size_old_dirent = 268; 2128 amd64_x32_linux_record_tdep.size_statfs = 120; 2129 amd64_x32_linux_record_tdep.size_statfs64 = 120; 2130 amd64_x32_linux_record_tdep.size_sockaddr = 16; 2131 amd64_x32_linux_record_tdep.size_int 2132 = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT; 2133 amd64_x32_linux_record_tdep.size_long 2134 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; 2135 amd64_x32_linux_record_tdep.size_ulong 2136 = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT; 2137 amd64_x32_linux_record_tdep.size_msghdr = 28; 2138 amd64_x32_linux_record_tdep.size_itimerval = 32; 2139 amd64_x32_linux_record_tdep.size_stat = 144; 2140 amd64_x32_linux_record_tdep.size_old_utsname = 325; 2141 amd64_x32_linux_record_tdep.size_sysinfo = 112; 2142 amd64_x32_linux_record_tdep.size_msqid_ds = 120; 2143 amd64_x32_linux_record_tdep.size_shmid_ds = 112; 2144 amd64_x32_linux_record_tdep.size_new_utsname = 390; 2145 amd64_x32_linux_record_tdep.size_timex = 208; 2146 amd64_x32_linux_record_tdep.size_mem_dqinfo = 24; 2147 amd64_x32_linux_record_tdep.size_if_dqblk = 72; 2148 amd64_x32_linux_record_tdep.size_fs_quota_stat = 80; 2149 amd64_x32_linux_record_tdep.size_timespec = 16; 2150 amd64_x32_linux_record_tdep.size_pollfd = 8; 2151 amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32; 2152 amd64_x32_linux_record_tdep.size_knfsd_fh = 132; 2153 amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16; 2154 amd64_x32_linux_record_tdep.size_sigaction = 20; 2155 amd64_x32_linux_record_tdep.size_sigset_t = 8; 2156 amd64_x32_linux_record_tdep.size_siginfo_t = 128; 2157 amd64_x32_linux_record_tdep.size_cap_user_data_t = 8; 2158 amd64_x32_linux_record_tdep.size_stack_t = 12; 2159 amd64_x32_linux_record_tdep.size_off_t = 8; 2160 amd64_x32_linux_record_tdep.size_stat64 = 144; 2161 amd64_x32_linux_record_tdep.size_gid_t = 4; 2162 amd64_x32_linux_record_tdep.size_uid_t = 4; 2163 amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096; 2164 amd64_x32_linux_record_tdep.size_flock64 = 32; 2165 amd64_x32_linux_record_tdep.size_user_desc = 16; 2166 amd64_x32_linux_record_tdep.size_io_event = 32; 2167 amd64_x32_linux_record_tdep.size_iocb = 64; 2168 amd64_x32_linux_record_tdep.size_epoll_event = 12; 2169 amd64_x32_linux_record_tdep.size_itimerspec = 32; 2170 amd64_x32_linux_record_tdep.size_mq_attr = 64; 2171 amd64_x32_linux_record_tdep.size_termios = 36; 2172 amd64_x32_linux_record_tdep.size_termios2 = 44; 2173 amd64_x32_linux_record_tdep.size_pid_t = 4; 2174 amd64_x32_linux_record_tdep.size_winsize = 8; 2175 amd64_x32_linux_record_tdep.size_serial_struct = 72; 2176 amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80; 2177 amd64_x32_linux_record_tdep.size_hayes_esp_config = 12; 2178 amd64_x32_linux_record_tdep.size_size_t = 4; 2179 amd64_x32_linux_record_tdep.size_iovec = 8; 2180 amd64_x32_linux_record_tdep.size_time_t = 8; 2181 2182 /* These values are the second argument of system call "sys_fcntl" 2183 and "sys_fcntl64". They are obtained from Linux Kernel source. */ 2184 amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5; 2185 amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12; 2186 amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13; 2187 amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14; 2188 2189 amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM; 2190 amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM; 2191 amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM; 2192 amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM; 2193 amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM; 2194 amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM; 2195 2196 /* These values are the second argument of system call "sys_ioctl". 2197 They are obtained from Linux Kernel source. */ 2198 amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401; 2199 amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402; 2200 amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403; 2201 amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404; 2202 amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405; 2203 amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406; 2204 amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407; 2205 amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408; 2206 amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409; 2207 amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A; 2208 amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B; 2209 amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C; 2210 amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D; 2211 amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E; 2212 amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F; 2213 amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410; 2214 amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411; 2215 amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412; 2216 amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413; 2217 amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414; 2218 amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415; 2219 amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416; 2220 amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417; 2221 amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418; 2222 amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419; 2223 amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A; 2224 amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B; 2225 amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD; 2226 amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C; 2227 amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D; 2228 amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E; 2229 amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F; 2230 amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420; 2231 amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421; 2232 amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422; 2233 amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423; 2234 amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424; 2235 amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425; 2236 amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426; 2237 amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427; 2238 amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428; 2239 amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429; 2240 amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a; 2241 amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b; 2242 amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c; 2243 amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d; 2244 amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430; 2245 amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431; 2246 amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450; 2247 amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451; 2248 amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452; 2249 amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453; 2250 amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454; 2251 amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455; 2252 amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456; 2253 amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457; 2254 amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458; 2255 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459; 2256 amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A; 2257 amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B; 2258 amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C; 2259 amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D; 2260 amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E; 2261 amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F; 2262 amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460; 2263 2264 tdep->i386_syscall_record = amd64_x32_linux_syscall_record; 2265 2266 /* GNU/Linux uses SVR4-style shared libraries. */ 2267 set_solib_svr4_fetch_link_map_offsets 2268 (gdbarch, linux_ilp32_fetch_link_map_offsets); 2269 } 2270 2271 void _initialize_amd64_linux_tdep (); 2272 void 2273 _initialize_amd64_linux_tdep () 2274 { 2275 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, 2276 GDB_OSABI_LINUX, amd64_linux_init_abi); 2277 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32, 2278 GDB_OSABI_LINUX, amd64_x32_linux_init_abi); 2279 } 2280