1 2/*--------------------------------------------------------------------*/ 3/*--- Platform-specific syscalls stuff. syswrap-s390x-linux.c ---*/ 4/*--------------------------------------------------------------------*/ 5 6/* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright IBM Corp. 2010-2017 11 12 This program is free software; you can redistribute it and/or 13 modify it under the terms of the GNU General Public License as 14 published by the Free Software Foundation; either version 2 of the 15 License, or (at your option) any later version. 16 17 This program is distributed in the hope that it will be useful, but 18 WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 General Public License for more details. 21 22 You should have received a copy of the GNU General Public License 23 along with this program; if not, write to the Free Software 24 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 25 02111-1307, USA. 26 27 The GNU General Public License is contained in the file COPYING. 28*/ 29 30/* Contributed by Christian Borntraeger */ 31 32#if defined(VGP_s390x_linux) 33 34#include "pub_core_basics.h" 35#include "pub_core_vki.h" 36#include "pub_core_vkiscnums.h" 37#include "pub_core_threadstate.h" 38#include "pub_core_aspacemgr.h" 39#include "pub_core_debuglog.h" 40#include "pub_core_libcbase.h" 41#include "pub_core_libcassert.h" 42#include "pub_core_libcprint.h" 43#include "pub_core_libcproc.h" 44#include "pub_core_libcsignal.h" 45#include "pub_core_mallocfree.h" 46#include "pub_core_options.h" 47#include "pub_core_scheduler.h" 48#include "pub_core_sigframe.h" // For VG_(sigframe_destroy)() 49#include "pub_core_signals.h" 50#include "pub_core_syscall.h" 51#include "pub_core_syswrap.h" 52#include "pub_core_tooliface.h" 53 54#include "priv_types_n_macros.h" 55#include "priv_syswrap-generic.h" /* for decls of generic wrappers */ 56#include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */ 57#include "priv_syswrap-linux-variants.h" /* decls of linux variant wrappers */ 58#include "priv_syswrap-main.h" 59 60 61/* --------------------------------------------------------------------- 62 clone() handling 63 ------------------------------------------------------------------ */ 64 65/* Call f(arg1), but first switch stacks, using 'stack' as the new 66 stack, and use 'retaddr' as f's return-to address. Also, clear all 67 the integer registers before entering f. 68 Thought: Why are we clearing the GPRs ? The callee pointed to by f 69 is a regular C function which will play by the ABI rules. So there is 70 no need to zero out the GPRs. If we assumed that f accesses registers at 71 will, then it would make sense to create a defined register state. 72 But then, why only for the GPRs and not the FPRs ? */ 73__attribute__((noreturn)) 74void ML_(call_on_new_stack_0_1) ( Addr stack, 75 Addr retaddr, 76 void (*f)(Word), 77 Word arg1 ); 78/* Upon entering this function we have the following setup: 79 r2 = stack 80 r3 = retaddr 81 r4 = f_desc 82 r5 = arg1 83*/ 84asm( 85 ".text\n" 86 ".align 4\n" 87 ".globl vgModuleLocal_call_on_new_stack_0_1\n" 88 ".type vgModuleLocal_call_on_new_stack_0_1, @function\n" 89 "vgModuleLocal_call_on_new_stack_0_1:\n" 90 " lgr %r15,%r2\n" // stack to r15 91 " lgr %r14,%r3\n" // retaddr to r14 92 " lgr %r2,%r5\n" // arg1 to r2 93 // zero all gprs to get a defined state 94 " lghi %r0,0\n" 95 " lghi %r1,0\n" 96 // r2 holds the argument for the callee 97 " lghi %r3,0\n" 98 // r4 holds the callee address 99 " lghi %r5,0\n" 100 " lghi %r6,0\n" 101 " lghi %r7,0\n" 102 " lghi %r8,0\n" 103 " lghi %r9,0\n" 104 " lghi %r10,0\n" 105 " lghi %r11,0\n" 106 " lghi %r12,0\n" 107 " lghi %r13,0\n" 108 // r14 holds the return address for the callee 109 // r15 is the stack pointer 110 " br %r4\n" // jump to f 111 ".previous\n" 112 ); 113 114/* 115 Perform a clone system call. clone is strange because it has 116 fork()-like return-twice semantics, so it needs special 117 handling here. 118 119 Upon entry, we have: 120 void* child_stack in r2 121 long flags in r3 122 int* parent_tid in r4 123 int* child_tid in r5 124 int* tls address in r6 125 Word (*fn)(void *) 160(r15) 126 void *arg 168(r15) 127 128 System call requires: 129 void* child_stack in r2 (sc arg1) 130 long flags in r3 (sc arg2) 131 int* parent_tid in r4 (sc arg3) 132 int* child_tid in r5 (sc arg4) 133 void* tlsaddr in r6 (sc arg5) 134 135 Returns a ULong encoded as: top half is %cr following syscall, 136 low half is syscall return value (r3). 137 */ 138#define __NR_CLONE VG_STRINGIFY(__NR_clone) 139#define __NR_EXIT VG_STRINGIFY(__NR_exit) 140 141// See priv_syswrap-linux.h for arg profile. 142asm( 143 " .text\n" 144 " .align 4\n" 145 ".globl do_syscall_clone_s390x_linux\n" 146 "do_syscall_clone_s390x_linux:\n" 147 " lg %r1, 160(%r15)\n" // save fn from parent stack into r1 148 " lg %r0, 168(%r15)\n" // save arg from parent stack into r0 149 " aghi %r2, -160\n" // create stack frame for child 150 // all syscall parameters are already in place (r2-r6) 151 " svc " __NR_CLONE"\n" // clone() 152 " ltgr %r2,%r2\n" // child if retval == 0 153 " jne 1f\n" 154 155 // CHILD - call thread function 156 " lgr %r2, %r0\n" // get arg from r0 157 " basr %r14,%r1\n" // call fn 158 159 // exit. The result is already in r2 160 " svc " __NR_EXIT"\n" 161 162 // Exit returned?! 163 " j +2\n" 164 165 "1:\n" // PARENT or ERROR 166 " br %r14\n" 167 ".previous\n" 168); 169 170#undef __NR_CLONE 171#undef __NR_EXIT 172 173void VG_(cleanup_thread) ( ThreadArchState* arch ) 174{ 175 /* only used on x86 for descriptor tables */ 176} 177 178/* --------------------------------------------------------------------- 179 PRE/POST wrappers for s390x/Linux-specific syscalls 180 ------------------------------------------------------------------ */ 181 182#define PRE(name) DEFN_PRE_TEMPLATE(s390x_linux, name) 183#define POST(name) DEFN_POST_TEMPLATE(s390x_linux, name) 184 185/* Add prototypes for the wrappers declared here, so that gcc doesn't 186 harass us for not having prototypes. Really this is a kludge -- 187 the right thing to do is to make these wrappers 'static' since they 188 aren't visible outside this file, but that requires even more macro 189 magic. */ 190 191DECL_TEMPLATE(s390x_linux, sys_ptrace); 192DECL_TEMPLATE(s390x_linux, sys_mmap); 193DECL_TEMPLATE(s390x_linux, sys_sigreturn); 194DECL_TEMPLATE(s390x_linux, sys_rt_sigreturn); 195DECL_TEMPLATE(s390x_linux, sys_fadvise64); 196 197/* PEEK TEXT,DATA and USER are common to all architectures. 198 PEEKUSR_AREA and POKEUSR_AREA are special, having a memory area 199 containing the real addr, data, and len field pointed to by ARG3 200 instead of ARG4. 201 GETREGSET and SETREGSET use a struct iovec (pointed to by ARG4) for 202 the address and size of the user buffer. */ 203 204PRE(sys_ptrace) 205{ 206 PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", SARG1, SARG2, ARG3, ARG4); 207 PRE_REG_READ4(int, "ptrace", 208 long, request, long, pid, unsigned long, addr, 209 unsigned long, data); 210 switch (ARG1) { 211 case VKI_PTRACE_PEEKTEXT: 212 case VKI_PTRACE_PEEKDATA: 213 case VKI_PTRACE_PEEKUSR: 214 PRE_MEM_WRITE( "ptrace(peek)", ARG4, 215 sizeof (long)); 216 break; 217 case VKI_PTRACE_GETEVENTMSG: 218 PRE_MEM_WRITE( "ptrace(geteventmsg)", ARG4, sizeof(unsigned long)); 219 break; 220 case VKI_PTRACE_GETSIGINFO: 221 PRE_MEM_WRITE( "ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t)); 222 break; 223 case VKI_PTRACE_SETSIGINFO: 224 PRE_MEM_READ( "ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t)); 225 break; 226 case VKI_PTRACE_PEEKUSR_AREA: 227 { 228 vki_ptrace_area *pa; 229 230 /* Reads a part of the user area into memory at pa->process_addr */ 231 pa = (vki_ptrace_area *) ARG3; 232 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->len)", 233 (unsigned long) &pa->vki_len, sizeof(pa->vki_len)); 234 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->kernel_addr)", 235 (unsigned long) &pa->vki_kernel_addr, sizeof(pa->vki_kernel_addr)); 236 PRE_MEM_READ("ptrace(peekusrarea ptrace_area->process_addr)", 237 (unsigned long) &pa->vki_process_addr, sizeof(pa->vki_process_addr)); 238 PRE_MEM_WRITE("ptrace(peekusrarea *(ptrace_area->process_addr))", 239 pa->vki_process_addr, pa->vki_len); 240 break; 241 } 242 case VKI_PTRACE_POKEUSR_AREA: 243 { 244 vki_ptrace_area *pa; 245 246 /* Updates a part of the user area from memory at pa->process_addr */ 247 pa = (vki_ptrace_area *) ARG3; 248 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->len)", 249 (unsigned long) &pa->vki_len, sizeof(pa->vki_len)); 250 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->kernel_addr)", 251 (unsigned long) &pa->vki_kernel_addr, 252 sizeof(pa->vki_kernel_addr)); 253 PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->process_addr)", 254 (unsigned long) &pa->vki_process_addr, 255 sizeof(pa->vki_process_addr)); 256 PRE_MEM_READ("ptrace(pokeusrarea *(ptrace_area->process_addr))", 257 pa->vki_process_addr, pa->vki_len); 258 break; 259 } 260 case VKI_PTRACE_GETREGSET: 261 ML_(linux_PRE_getregset)(tid, ARG3, ARG4); 262 break; 263 case VKI_PTRACE_SETREGSET: 264 ML_(linux_PRE_setregset)(tid, ARG3, ARG4); 265 break; 266 default: 267 break; 268 } 269} 270 271POST(sys_ptrace) 272{ 273 switch (ARG1) { 274 case VKI_PTRACE_TRACEME: 275 ML_(linux_POST_traceme)(tid); 276 break; 277 case VKI_PTRACE_PEEKTEXT: 278 case VKI_PTRACE_PEEKDATA: 279 case VKI_PTRACE_PEEKUSR: 280 POST_MEM_WRITE( ARG4, sizeof (long)); 281 break; 282 case VKI_PTRACE_GETEVENTMSG: 283 POST_MEM_WRITE( ARG4, sizeof(unsigned long)); 284 break; 285 case VKI_PTRACE_GETSIGINFO: 286 /* XXX: This is a simplification. Different parts of the 287 * siginfo_t are valid depending on the type of signal. 288 */ 289 POST_MEM_WRITE( ARG4, sizeof(vki_siginfo_t)); 290 break; 291 case VKI_PTRACE_PEEKUSR_AREA: 292 { 293 vki_ptrace_area *pa; 294 295 pa = (vki_ptrace_area *) ARG3; 296 POST_MEM_WRITE(pa->vki_process_addr, pa->vki_len); 297 break; 298 } 299 case VKI_PTRACE_GETREGSET: 300 ML_(linux_POST_getregset)(tid, ARG3, ARG4); 301 break; 302 default: 303 break; 304 } 305} 306 307PRE(sys_mmap) 308{ 309 UWord a0, a1, a2, a3, a4, a5; 310 SysRes r; 311 312 UWord* args = (UWord*)ARG1; 313 PRE_REG_READ1(long, "sys_mmap", struct mmap_arg_struct *, args); 314 PRE_MEM_READ( "sys_mmap(args)", (Addr) args, 6*sizeof(UWord) ); 315 316 a0 = args[0]; 317 a1 = args[1]; 318 a2 = args[2]; 319 a3 = args[3]; 320 a4 = args[4]; 321 a5 = args[5]; 322 323 PRINT("sys_mmap ( %#lx, %lu, %ld, %ld, %ld, %ld )", 324 a0, a1, (Word)a2, (Word)a3, (Word)a4, (Word)a5 ); 325 326 r = ML_(generic_PRE_sys_mmap)( tid, a0, a1, a2, a3, a4, (Off64T)a5 ); 327 SET_STATUS_from_SysRes(r); 328} 329 330PRE(sys_sigreturn) 331{ 332 ThreadState* tst; 333 PRINT("sys_sigreturn ( )"); 334 335 vg_assert(VG_(is_valid_tid)(tid)); 336 vg_assert(tid >= 1 && tid < VG_N_THREADS); 337 vg_assert(VG_(is_running_thread)(tid)); 338 339 tst = VG_(get_ThreadState)(tid); 340 341 /* This is only so that the IA is (might be) useful to report if 342 something goes wrong in the sigreturn */ 343 ML_(fixup_guest_state_to_restart_syscall)(&tst->arch); 344 345 /* Restore register state from frame and remove it */ 346 VG_(sigframe_destroy)(tid, False); 347 348 /* Tell the driver not to update the guest state with the "result", 349 and set a bogus result to keep it happy. */ 350 *flags |= SfNoWriteResult; 351 SET_STATUS_Success(0); 352 353 /* Check to see if any signals arose as a result of this. */ 354 *flags |= SfPollAfter; 355} 356 357 358PRE(sys_rt_sigreturn) 359{ 360 /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for 361 an explanation of what follows. */ 362 363 ThreadState* tst; 364 PRINT("sys_rt_sigreturn ( )"); 365 366 vg_assert(VG_(is_valid_tid)(tid)); 367 vg_assert(tid >= 1 && tid < VG_N_THREADS); 368 vg_assert(VG_(is_running_thread)(tid)); 369 370 tst = VG_(get_ThreadState)(tid); 371 372 /* This is only so that the IA is (might be) useful to report if 373 something goes wrong in the sigreturn */ 374 ML_(fixup_guest_state_to_restart_syscall)(&tst->arch); 375 376 /* Restore register state from frame and remove it */ 377 VG_(sigframe_destroy)(tid, True); 378 379 /* Tell the driver not to update the guest state with the "result", 380 and set a bogus result to keep it happy. */ 381 *flags |= SfNoWriteResult; 382 SET_STATUS_Success(0); 383 384 /* Check to see if any signals arose as a result of this. */ 385 *flags |= SfPollAfter; 386} 387 388/* we cant use the LINX_ version for 64 bit */ 389PRE(sys_fadvise64) 390{ 391 PRINT("sys_fadvise64 ( %ld, %ld, %ld, %ld )", SARG1, SARG2, SARG3, SARG4); 392 PRE_REG_READ4(long, "fadvise64", 393 int, fd, vki_loff_t, offset, vki_loff_t, len, int, advice); 394} 395 396#undef PRE 397#undef POST 398 399/* --------------------------------------------------------------------- 400 The s390x/Linux syscall table 401 ------------------------------------------------------------------ */ 402 403/* Add an s390x-linux specific wrapper to a syscall table. */ 404#define PLAX_(sysno, name) WRAPPER_ENTRY_X_(s390x_linux, sysno, name) 405#define PLAXY(sysno, name) WRAPPER_ENTRY_XY(s390x_linux, sysno, name) 406 407// This table maps from __NR_xxx syscall numbers from 408// linux/arch/s390/kernel/syscalls.S to the appropriate PRE/POST sys_foo() 409// wrappers on s390x. There are several unused numbers, which are only 410// defined on s390 (31bit mode) but no longer available on s390x (64 bit). 411// For those syscalls not handled by Valgrind, the annotation indicate its 412// arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/? 413// (unknown). 414 415static SyscallTableEntry syscall_table[] = { 416 GENX_(0, sys_ni_syscall), /* unimplemented (by the kernel) */ // 0 417 GENX_(__NR_exit, sys_exit), // 1 418 GENX_(__NR_fork, sys_fork), // 2 419 GENXY(__NR_read, sys_read), // 3 420 GENX_(__NR_write, sys_write), // 4 421 422 GENXY(__NR_open, sys_open), // 5 423 GENXY(__NR_close, sys_close), // 6 424// ?????(__NR_restart_syscall, ), // 7 425 GENXY(__NR_creat, sys_creat), // 8 426 GENX_(__NR_link, sys_link), // 9 427 428 GENX_(__NR_unlink, sys_unlink), // 10 429 GENX_(__NR_execve, sys_execve), // 11 430 GENX_(__NR_chdir, sys_chdir), // 12 431 GENX_(13, sys_ni_syscall), /* unimplemented (by the kernel) */ // 13 432 GENX_(__NR_mknod, sys_mknod), // 14 433 434 GENX_(__NR_chmod, sys_chmod), // 15 435 GENX_(16, sys_ni_syscall), /* unimplemented (by the kernel) */ // 16 436 GENX_(17, sys_ni_syscall), /* unimplemented (by the kernel) */ // 17 437 GENX_(18, sys_ni_syscall), /* unimplemented (by the kernel) */ // 18 438 LINX_(__NR_lseek, sys_lseek), // 19 439 440 GENX_(__NR_getpid, sys_getpid), // 20 441 LINX_(__NR_mount, sys_mount), // 21 442 LINX_(__NR_umount, sys_oldumount), // 22 443 GENX_(23, sys_ni_syscall), /* unimplemented (by the kernel) */ // 23 444 GENX_(24, sys_ni_syscall), /* unimplemented (by the kernel) */ // 24 445 446 GENX_(25, sys_ni_syscall), /* unimplemented (by the kernel) */ // 25 447 PLAXY(__NR_ptrace, sys_ptrace), // 26 448 GENX_(__NR_alarm, sys_alarm), // 27 449 GENX_(28, sys_ni_syscall), /* unimplemented (by the kernel) */ // 28 450 GENX_(__NR_pause, sys_pause), // 29 451 452 LINX_(__NR_utime, sys_utime), // 30 453 GENX_(31, sys_ni_syscall), /* unimplemented (by the kernel) */ // 31 454 GENX_(32, sys_ni_syscall), /* unimplemented (by the kernel) */ // 32 455 GENX_(__NR_access, sys_access), // 33 456 GENX_(__NR_nice, sys_nice), // 34 457 458 GENX_(35, sys_ni_syscall), /* unimplemented (by the kernel) */ // 35 459 GENX_(__NR_sync, sys_sync), // 36 460 GENX_(__NR_kill, sys_kill), // 37 461 GENX_(__NR_rename, sys_rename), // 38 462 GENX_(__NR_mkdir, sys_mkdir), // 39 463 464 GENX_(__NR_rmdir, sys_rmdir), // 40 465 GENXY(__NR_dup, sys_dup), // 41 466 LINXY(__NR_pipe, sys_pipe), // 42 467 GENXY(__NR_times, sys_times), // 43 468 GENX_(44, sys_ni_syscall), /* unimplemented (by the kernel) */ // 44 469 470 GENX_(__NR_brk, sys_brk), // 45 471 GENX_(46, sys_ni_syscall), /* unimplemented (by the kernel) */ // 46 472 GENX_(47, sys_ni_syscall), /* unimplemented (by the kernel) */ // 47 473// ?????(__NR_signal, ), // 48 474 GENX_(49, sys_ni_syscall), /* unimplemented (by the kernel) */ // 49 475 476 GENX_(50, sys_ni_syscall), /* unimplemented (by the kernel) */ // 50 477 GENX_(__NR_acct, sys_acct), // 51 478 LINX_(__NR_umount2, sys_umount), // 52 479 GENX_(53, sys_ni_syscall), /* unimplemented (by the kernel) */ // 53 480 LINXY(__NR_ioctl, sys_ioctl), // 54 481 482 LINXY(__NR_fcntl, sys_fcntl), // 55 483 GENX_(56, sys_ni_syscall), /* unimplemented (by the kernel) */ // 56 484 GENX_(__NR_setpgid, sys_setpgid), // 57 485 GENX_(58, sys_ni_syscall), /* unimplemented (by the kernel) */ // 58 486 GENX_(59, sys_ni_syscall), /* unimplemented (by the kernel) */ // 59 487 488 GENX_(__NR_umask, sys_umask), // 60 489 GENX_(__NR_chroot, sys_chroot), // 61 490// ?????(__NR_ustat, sys_ustat), /* deprecated in favor of statfs */ // 62 491 GENXY(__NR_dup2, sys_dup2), // 63 492 GENX_(__NR_getppid, sys_getppid), // 64 493 494 GENX_(__NR_getpgrp, sys_getpgrp), // 65 495 GENX_(__NR_setsid, sys_setsid), // 66 496// ?????(__NR_sigaction, ), /* userspace uses rt_sigaction */ // 67 497 GENX_(68, sys_ni_syscall), /* unimplemented (by the kernel) */ // 68 498 GENX_(69, sys_ni_syscall), /* unimplemented (by the kernel) */ // 69 499 500 GENX_(70, sys_ni_syscall), /* unimplemented (by the kernel) */ // 70 501 GENX_(71, sys_ni_syscall), /* unimplemented (by the kernel) */ // 71 502// ?????(__NR_sigsuspend, ), // 72 503// ?????(__NR_sigpending, ), // 73 504// ?????(__NR_sethostname, ), // 74 505 506 GENX_(__NR_setrlimit, sys_setrlimit), // 75 507 GENXY(76, sys_getrlimit), /* see also 191 */ // 76 508 GENXY(__NR_getrusage, sys_getrusage), // 77 509 GENXY(__NR_gettimeofday, sys_gettimeofday), // 78 510 GENX_(__NR_settimeofday, sys_settimeofday), // 79 511 512 GENX_(80, sys_ni_syscall), /* unimplemented (by the kernel) */ // 80 513 GENX_(81, sys_ni_syscall), /* unimplemented (by the kernel) */ // 81 514 GENX_(82, sys_ni_syscall), /* unimplemented (by the kernel) */ // 82 515 GENX_(__NR_symlink, sys_symlink), // 83 516 GENX_(84, sys_ni_syscall), /* unimplemented (by the kernel) */ // 84 517 518 GENX_(__NR_readlink, sys_readlink), // 85 519// ?????(__NR_uselib, ), // 86 520// ?????(__NR_swapon, ), // 87 521// ?????(__NR_reboot, ), // 88 522 GENX_(89, sys_ni_syscall), /* unimplemented (by the kernel) */ // 89 523 524 PLAX_(__NR_mmap, sys_mmap ), // 90 525 GENXY(__NR_munmap, sys_munmap), // 91 526 GENX_(__NR_truncate, sys_truncate), // 92 527 GENX_(__NR_ftruncate, sys_ftruncate), // 93 528 GENX_(__NR_fchmod, sys_fchmod), // 94 529 530 GENX_(95, sys_ni_syscall), /* unimplemented (by the kernel) */ // 95 531 GENX_(__NR_getpriority, sys_getpriority), // 96 532 GENX_(__NR_setpriority, sys_setpriority), // 97 533 GENX_(98, sys_ni_syscall), /* unimplemented (by the kernel) */ // 98 534 GENXY(__NR_statfs, sys_statfs), // 99 535 536 GENXY(__NR_fstatfs, sys_fstatfs), // 100 537 GENX_(101, sys_ni_syscall), /* unimplemented (by the kernel) */ // 101 538 LINXY(__NR_socketcall, sys_socketcall), // 102 539 LINXY(__NR_syslog, sys_syslog), // 103 540 GENXY(__NR_setitimer, sys_setitimer), // 104 541 542 GENXY(__NR_getitimer, sys_getitimer), // 105 543 GENXY(__NR_stat, sys_newstat), // 106 544 GENXY(__NR_lstat, sys_newlstat), // 107 545 GENXY(__NR_fstat, sys_newfstat), // 108 546 GENX_(109, sys_ni_syscall), /* unimplemented (by the kernel) */ // 109 547 548 LINXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 110 549 LINX_(__NR_vhangup, sys_vhangup), // 111 550 GENX_(112, sys_ni_syscall), /* unimplemented (by the kernel) */ // 112 551 GENX_(113, sys_ni_syscall), /* unimplemented (by the kernel) */ // 113 552 GENXY(__NR_wait4, sys_wait4), // 114 553 554// ?????(__NR_swapoff, ), // 115 555 LINXY(__NR_sysinfo, sys_sysinfo), // 116 556 LINXY(__NR_ipc, sys_ipc), // 117 557 GENX_(__NR_fsync, sys_fsync), // 118 558 PLAX_(__NR_sigreturn, sys_sigreturn), // 119 559 560 LINX_(__NR_clone, sys_clone), // 120 561// ?????(__NR_setdomainname, ), // 121 562 GENXY(__NR_uname, sys_newuname), // 122 563 GENX_(123, sys_ni_syscall), /* unimplemented (by the kernel) */ // 123 564// ?????(__NR_adjtimex, ), // 124 565 566 GENXY(__NR_mprotect, sys_mprotect), // 125 567// LINXY(__NR_sigprocmask, sys_sigprocmask), // 126 568 GENX_(127, sys_ni_syscall), /* unimplemented (by the kernel) */ // 127 569 LINX_(__NR_init_module, sys_init_module), // 128 570 LINX_(__NR_delete_module, sys_delete_module), // 129 571 572 GENX_(130, sys_ni_syscall), /* unimplemented (by the kernel) */ // 130 573 LINX_(__NR_quotactl, sys_quotactl), // 131 574 GENX_(__NR_getpgid, sys_getpgid), // 132 575 GENX_(__NR_fchdir, sys_fchdir), // 133 576// ?????(__NR_bdflush, ), // 134 577 578// ?????(__NR_sysfs, ), // 135 579 LINX_(__NR_personality, sys_personality), // 136 580 GENX_(137, sys_ni_syscall), /* unimplemented (by the kernel) */ // 137 581 GENX_(138, sys_ni_syscall), /* unimplemented (by the kernel) */ // 138 582 GENX_(139, sys_ni_syscall), /* unimplemented (by the kernel) */ // 139 583 584// LINXY(__NR__llseek, sys_llseek), /* 64 bit --> lseek */ // 140 585 GENXY(__NR_getdents, sys_getdents), // 141 586 GENX_(__NR_select, sys_select), // 142 587 GENX_(__NR_flock, sys_flock), // 143 588 GENX_(__NR_msync, sys_msync), // 144 589 590 GENXY(__NR_readv, sys_readv), // 145 591 GENX_(__NR_writev, sys_writev), // 146 592 GENX_(__NR_getsid, sys_getsid), // 147 593 GENX_(__NR_fdatasync, sys_fdatasync), // 148 594 LINXY(__NR__sysctl, sys_sysctl), // 149 595 596 GENX_(__NR_mlock, sys_mlock), // 150 597 GENX_(__NR_munlock, sys_munlock), // 151 598 GENX_(__NR_mlockall, sys_mlockall), // 152 599 LINX_(__NR_munlockall, sys_munlockall), // 153 600 LINXY(__NR_sched_setparam, sys_sched_setparam), // 154 601 602 LINXY(__NR_sched_getparam, sys_sched_getparam), // 155 603 LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156 604 LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157 605 LINX_(__NR_sched_yield, sys_sched_yield), // 158 606 LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max), // 159 607 608 LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min), // 160 609 LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 162 610 GENXY(__NR_nanosleep, sys_nanosleep), // 162 611 GENX_(__NR_mremap, sys_mremap), // 163 612 GENX_(164, sys_ni_syscall), /* unimplemented (by the kernel) */ // 164 613 614 GENX_(165, sys_ni_syscall), /* unimplemented (by the kernel) */ // 165 615 GENX_(166, sys_ni_syscall), /* unimplemented (by the kernel) */ // 166 616 GENX_(167, sys_ni_syscall), /* unimplemented (by the kernel) */ // 167 617 GENXY(__NR_poll, sys_poll), // 168 618// ?????(__NR_nfsservctl, ), // 169 619 620 GENX_(170, sys_ni_syscall), /* unimplemented (by the kernel) */ // 170 621 GENX_(171, sys_ni_syscall), /* unimplemented (by the kernel) */ // 171 622 LINXY(__NR_prctl, sys_prctl), // 172 623 PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 173 624 LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 174 625 626 LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 175 627 LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 176 628 LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 177 629 LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 178 630 LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 179 631 632 GENXY(__NR_pread64, sys_pread64), // 180 633 GENX_(__NR_pwrite64, sys_pwrite64), // 181 634 GENX_(182, sys_ni_syscall), /* unimplemented (by the kernel) */ // 182 635 GENXY(__NR_getcwd, sys_getcwd), // 183 636 LINXY(__NR_capget, sys_capget), // 184 637 638 LINX_(__NR_capset, sys_capset), // 185 639 GENXY(__NR_sigaltstack, sys_sigaltstack), // 186 640 LINXY(__NR_sendfile, sys_sendfile), // 187 641 GENX_(188, sys_ni_syscall), /* unimplemented (by the kernel) */ // 188 642 GENX_(189, sys_ni_syscall), /* unimplemented (by the kernel) */ // 189 643 644 GENX_(__NR_vfork, sys_fork), // 190 645 GENXY(__NR_getrlimit, sys_getrlimit), // 191 646 GENX_(192, sys_ni_syscall), /* not exported on 64bit*/ // 192 647 GENX_(193, sys_ni_syscall), /* unimplemented (by the kernel) */ // 193 648 GENX_(194, sys_ni_syscall), /* unimplemented (by the kernel) */ // 194 649 650 GENX_(195, sys_ni_syscall), /* unimplemented (by the kernel) */ // 195 651 GENX_(196, sys_ni_syscall), /* unimplemented (by the kernel) */ // 196 652 GENX_(197, sys_ni_syscall), /* unimplemented (by the kernel) */ // 197 653 GENX_(__NR_lchown, sys_lchown), // 198 654 GENX_(__NR_getuid, sys_getuid), // 199 655 656 GENX_(__NR_getgid, sys_getgid), // 200 657 GENX_(__NR_geteuid, sys_geteuid), // 201 658 GENX_(__NR_getegid, sys_getegid), // 202 659 GENX_(__NR_setreuid, sys_setreuid), // 203 660 GENX_(__NR_setregid, sys_setregid), // 204 661 662 GENXY(__NR_getgroups, sys_getgroups), // 205 663 GENX_(__NR_setgroups, sys_setgroups), // 206 664 GENX_(__NR_fchown, sys_fchown), // 207 665 LINX_(__NR_setresuid, sys_setresuid), // 208 666 LINXY(__NR_getresuid, sys_getresuid), // 209 667 668 LINX_(__NR_setresgid, sys_setresgid), // 210 669 LINXY(__NR_getresgid, sys_getresgid), // 211 670 GENX_(__NR_chown, sys_chown), // 212 671 GENX_(__NR_setuid, sys_setuid), // 213 672 GENX_(__NR_setgid, sys_setgid), // 214 673 674 LINX_(__NR_setfsuid, sys_setfsuid), // 215 675 LINX_(__NR_setfsgid, sys_setfsgid), // 216 676 LINX_(__NR_pivot_root, sys_pivot_root), // 217 677 GENXY(__NR_mincore, sys_mincore), // 218 678 GENX_(__NR_madvise, sys_madvise), // 219 679 680 GENXY(__NR_getdents64, sys_getdents64), // 220 681 GENX_(221, sys_ni_syscall), /* unimplemented (by the kernel) */ // 221 682 LINX_(__NR_readahead, sys_readahead), // 222 683 GENX_(223, sys_ni_syscall), /* unimplemented (by the kernel) */ // 223 684 LINX_(__NR_setxattr, sys_setxattr), // 224 685 686 LINX_(__NR_lsetxattr, sys_lsetxattr), // 225 687 LINX_(__NR_fsetxattr, sys_fsetxattr), // 226 688 LINXY(__NR_getxattr, sys_getxattr), // 227 689 LINXY(__NR_lgetxattr, sys_lgetxattr), // 228 690 LINXY(__NR_fgetxattr, sys_fgetxattr), // 229 691 692 LINXY(__NR_listxattr, sys_listxattr), // 230 693 LINXY(__NR_llistxattr, sys_llistxattr), // 231 694 LINXY(__NR_flistxattr, sys_flistxattr), // 232 695 LINX_(__NR_removexattr, sys_removexattr), // 233 696 LINX_(__NR_lremovexattr, sys_lremovexattr), // 234 697 698 LINX_(__NR_fremovexattr, sys_fremovexattr), // 235 699 LINX_(__NR_gettid, sys_gettid), // 236 700 LINXY(__NR_tkill, sys_tkill), // 237 701 LINXY(__NR_futex, sys_futex), // 238 702 LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 239 703 704 LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 240 705 LINXY(__NR_tgkill, sys_tgkill), // 241 706 GENX_(242, sys_ni_syscall), /* unimplemented (by the kernel) */ // 242 707 LINXY(__NR_io_setup, sys_io_setup), // 243 708 LINX_(__NR_io_destroy, sys_io_destroy), // 244 709 710 LINXY(__NR_io_getevents, sys_io_getevents), // 245 711 LINX_(__NR_io_submit, sys_io_submit), // 246 712 LINXY(__NR_io_cancel, sys_io_cancel), // 247 713 LINX_(__NR_exit_group, sys_exit_group), // 248 714 LINXY(__NR_epoll_create, sys_epoll_create), // 249 715 716 LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 250 717 LINXY(__NR_epoll_wait, sys_epoll_wait), // 251 718 LINX_(__NR_set_tid_address, sys_set_tid_address), // 252 719 PLAX_(__NR_fadvise64, sys_fadvise64), // 253 720 LINXY(__NR_timer_create, sys_timer_create), // 254 721 722 LINXY(__NR_timer_settime, sys_timer_settime), // 255 723 LINXY(__NR_timer_gettime, sys_timer_gettime), // 256 724 LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 257 725 LINX_(__NR_timer_delete, sys_timer_delete), // 258 726 LINX_(__NR_clock_settime, sys_clock_settime), // 259 727 728 LINXY(__NR_clock_gettime, sys_clock_gettime), // 260 729 LINXY(__NR_clock_getres, sys_clock_getres), // 261 730 LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 262 731 GENX_(263, sys_ni_syscall), /* unimplemented (by the kernel) */ // 263 732 GENX_(264, sys_ni_syscall), /* unimplemented (by the kernel) */ // 264 733 734 GENXY(__NR_statfs64, sys_statfs64), // 265 735 GENXY(__NR_fstatfs64, sys_fstatfs64), // 266 736// ?????(__NR_remap_file_pages, ), 737 GENX_(268, sys_ni_syscall), /* unimplemented (by the kernel) */ // 268 738 GENX_(269, sys_ni_syscall), /* unimplemented (by the kernel) */ // 269 739 740 GENX_(270, sys_ni_syscall), /* unimplemented (by the kernel) */ // 270 741 LINXY(__NR_mq_open, sys_mq_open), // 271 742 LINX_(__NR_mq_unlink, sys_mq_unlink), // 272 743 LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 273 744 LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 274 745 746 LINX_(__NR_mq_notify, sys_mq_notify), // 275 747 LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 276 748// ?????(__NR_kexec_load, ), 749 LINX_(__NR_add_key, sys_add_key), // 278 750 LINX_(__NR_request_key, sys_request_key), // 279 751 752 LINXY(__NR_keyctl, sys_keyctl), // 280 753 LINXY(__NR_waitid, sys_waitid), // 281 754 LINX_(__NR_ioprio_set, sys_ioprio_set), // 282 755 LINX_(__NR_ioprio_get, sys_ioprio_get), // 283 756 LINX_(__NR_inotify_init, sys_inotify_init), // 284 757 758 LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 285 759 LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 286 760 GENX_(287, sys_ni_syscall), /* unimplemented (by the kernel) */ // 287 761 LINXY(__NR_openat, sys_openat), // 288 762 LINX_(__NR_mkdirat, sys_mkdirat), // 289 763 764 LINX_(__NR_mknodat, sys_mknodat), // 290 765 LINX_(__NR_fchownat, sys_fchownat), // 291 766 LINX_(__NR_futimesat, sys_futimesat), // 292 767 LINXY(__NR_newfstatat, sys_newfstatat), // 293 768 LINX_(__NR_unlinkat, sys_unlinkat), // 294 769 770 LINX_(__NR_renameat, sys_renameat), // 295 771 LINX_(__NR_linkat, sys_linkat), // 296 772 LINX_(__NR_symlinkat, sys_symlinkat), // 297 773 LINX_(__NR_readlinkat, sys_readlinkat), // 298 774 LINX_(__NR_fchmodat, sys_fchmodat), // 299 775 776 LINX_(__NR_faccessat, sys_faccessat), // 300 777 LINXY(__NR_pselect6, sys_pselect6), // 301 778 LINXY(__NR_ppoll, sys_ppoll), // 302 779 LINX_(__NR_unshare, sys_unshare), // 303 780 LINX_(__NR_set_robust_list, sys_set_robust_list), // 304 781 782 LINXY(__NR_get_robust_list, sys_get_robust_list), // 305 783 LINX_(__NR_splice, sys_splice), // 306 784 LINX_(__NR_sync_file_range, sys_sync_file_range), // 307 785 LINX_(__NR_tee, sys_tee), // 308 786 LINXY(__NR_vmsplice, sys_vmsplice), // 309 787 788 GENX_(310, sys_ni_syscall), /* unimplemented (by the kernel) */ // 310 789 LINXY(__NR_getcpu, sys_getcpu), // 311 790 LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 312 791 GENX_(__NR_utimes, sys_utimes), // 313 792 LINX_(__NR_fallocate, sys_fallocate), // 314 793 794 LINX_(__NR_utimensat, sys_utimensat), // 315 795 LINXY(__NR_signalfd, sys_signalfd), // 316 796 GENX_(317, sys_ni_syscall), /* unimplemented (by the kernel) */ // 317 797 LINXY(__NR_eventfd, sys_eventfd), // 318 798 LINXY(__NR_timerfd_create, sys_timerfd_create), // 319 799 800 LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 320 801 LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 321 802 LINXY(__NR_signalfd4, sys_signalfd4), // 322 803 LINXY(__NR_eventfd2, sys_eventfd2), // 323 804 LINXY(__NR_inotify_init1, sys_inotify_init1), // 324 805 806 LINXY(__NR_pipe2, sys_pipe2), // 325 807 LINXY(__NR_dup3, sys_dup3), // 326 808 LINXY(__NR_epoll_create1, sys_epoll_create1), // 327 809 LINXY(__NR_preadv, sys_preadv), // 328 810 LINX_(__NR_pwritev, sys_pwritev), // 329 811 812 LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo), // 330 813 LINXY(__NR_perf_event_open, sys_perf_event_open), // 331 814 LINXY(__NR_fanotify_init, sys_fanotify_init), // 332 815 LINX_(__NR_fanotify_mark, sys_fanotify_mark), // 333 816 LINXY(__NR_prlimit64, sys_prlimit64), // 334 817 818 LINXY(__NR_name_to_handle_at, sys_name_to_handle_at), // 335 819 LINXY(__NR_open_by_handle_at, sys_open_by_handle_at), // 336 820 LINXY(__NR_clock_adjtime, sys_clock_adjtime), // 337 821 LINX_(__NR_syncfs, sys_syncfs), // 338 822// ?????(__NR_setns, ), // 339 823 824 LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 340 825 LINX_(__NR_process_vm_writev, sys_process_vm_writev), // 341 826// ?????(__NR_s390_runtime_instr, ), // 342 827 LINX_(__NR_kcmp, sys_kcmp), // 343 828// ?????(__NR_finit_module, ), // 344 829 830// ?????(__NR_sched_setattr, ), // 345 831// ?????(__NR_sched_getattr, ), // 346 832 LINX_(__NR_renameat2, sys_renameat2), // 347 833// ?????(__NR_seccomp, ), // 348 834 LINXY(__NR_getrandom, sys_getrandom), // 349 835 836 LINXY(__NR_memfd_create, sys_memfd_create), // 350 837 838 LINXY(__NR_recvmmsg, sys_recvmmsg), // 357 839 LINXY(__NR_sendmmsg, sys_sendmmsg), // 358 840 LINXY(__NR_socket, sys_socket), // 359 841 LINXY(__NR_socketpair, sys_socketpair), // 360 842 LINX_(__NR_bind, sys_bind), // 361 843 LINX_(__NR_connect, sys_connect), // 362 844 LINX_(__NR_listen, sys_listen), // 363 845 LINXY(__NR_accept4, sys_accept4), // 364 846 LINXY(__NR_getsockopt, sys_getsockopt), // 365 847 LINX_(__NR_setsockopt, sys_setsockopt), // 366 848 LINXY(__NR_getsockname, sys_getsockname), // 367 849 LINXY(__NR_getpeername, sys_getpeername), // 368 850 LINX_(__NR_sendto, sys_sendto), // 369 851 LINX_(__NR_sendmsg, sys_sendmsg), // 270 852 LINXY(__NR_recvfrom, sys_recvfrom), // 371 853 LINXY(__NR_recvmsg, sys_recvmsg), // 372 854 LINX_(__NR_shutdown, sys_shutdown) // 373 855}; 856 857SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno ) 858{ 859 const UInt syscall_table_size 860 = sizeof(syscall_table) / sizeof(syscall_table[0]); 861 862 /* Is it in the contiguous initial section of the table? */ 863 if (sysno < syscall_table_size) { 864 SyscallTableEntry* sys = &syscall_table[sysno]; 865 if (sys->before == NULL) 866 return NULL; /* no entry */ 867 else 868 return sys; 869 } 870 871 /* Can't find a wrapper */ 872 return NULL; 873} 874 875#endif 876 877/*--------------------------------------------------------------------*/ 878/*--- end ---*/ 879/*--------------------------------------------------------------------*/ 880