1 2/*--------------------------------------------------------------------*/ 3/*--- s390x/Linux-specific kernel interface. vki-s390x-linux.h ---*/ 4/*--------------------------------------------------------------------*/ 5 6/* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright IBM Corp. 2010-2011 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 Florian Krohm and Volker Sameske */ 31 32#ifndef __VKI_S390X_LINUX_H 33#define __VKI_S390X_LINUX_H 34 35#define __force 36 37//---------------------------------------------------------------------- 38// From linux-2.6.16.60/include/asm-s390/types.h 39//---------------------------------------------------------------------- 40 41typedef __signed__ char __vki_s8; 42typedef unsigned char __vki_u8; 43 44typedef __signed__ short __vki_s16; 45typedef unsigned short __vki_u16; 46 47typedef __signed__ int __vki_s32; 48typedef unsigned int __vki_u32; 49 50typedef __signed__ long __vki_s64; 51typedef unsigned long __vki_u64; 52 53typedef unsigned short vki_u16; 54 55typedef unsigned int vki_u32; 56 57//---------------------------------------------------------------------- 58// From linux-2.6.16.60/include/asm-s390/page.h 59//---------------------------------------------------------------------- 60 61/* PAGE_SHIFT determines the page size */ 62#define VKI_PAGE_SHIFT 12 63#define VKI_PAGE_SIZE (1UL << VKI_PAGE_SHIFT) 64 65//---------------------------------------------------------------------- 66// From linux-2.6.16.60/include/asm-s390/siginfo.h 67//---------------------------------------------------------------------- 68 69/* We need that to ensure that sizeof(siginfo) == 128. */ 70#ifdef __s390x__ 71#define __VKI_ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) 72#endif 73 74//---------------------------------------------------------------------- 75// From linux-2.6.16.60/include/asm-s390/sigcontext.h 76//---------------------------------------------------------------------- 77 78#define __VKI_NUM_GPRS 16 79#define __VKI_NUM_FPRS 16 80#define __VKI_NUM_ACRS 16 81 82#ifndef VGA_s390x 83 84/* Has to be at least _NSIG_WORDS from asm/signal.h */ 85#define _VKI_SIGCONTEXT_NSIG 64 86#define _VKI_SIGCONTEXT_NSIG_BPW 32 87/* Size of stack frame allocated when calling signal handler. */ 88#define __VKI_SIGNAL_FRAMESIZE 96 89 90#else /* VGA_s390x */ 91 92/* Has to be at least _NSIG_WORDS from asm/signal.h */ 93#define _VKI_SIGCONTEXT_NSIG 64 94#define _VKI_SIGCONTEXT_NSIG_BPW 64 95/* Size of stack frame allocated when calling signal handler. */ 96#define __VKI_SIGNAL_FRAMESIZE 160 97 98#endif /* VGA_s390x */ 99 100 101#define _VKI_SIGCONTEXT_NSIG_WORDS (_VKI_SIGCONTEXT_NSIG / _VKI_SIGCONTEXT_NSIG_BPW) 102#define _VKI_SIGMASK_COPY_SIZE (sizeof(unsigned long)*_VKI_SIGCONTEXT_NSIG_WORDS) 103 104typedef struct 105{ 106 unsigned long mask; 107 unsigned long addr; 108} __attribute__ ((aligned(8))) _vki_psw_t; 109 110typedef struct 111{ 112 _vki_psw_t psw; 113 unsigned long gprs[__VKI_NUM_GPRS]; 114 unsigned int acrs[__VKI_NUM_ACRS]; 115} _vki_s390_regs_common; 116 117typedef struct 118{ 119 unsigned int fpc; 120 double fprs[__VKI_NUM_FPRS]; 121} _vki_s390_fp_regs; 122 123typedef struct 124{ 125 _vki_s390_regs_common regs; 126 _vki_s390_fp_regs fpregs; 127} _vki_sigregs; 128 129 130struct vki_sigcontext 131{ 132 unsigned long oldmask[_VKI_SIGCONTEXT_NSIG_WORDS]; 133 _vki_sigregs __user *sregs; 134}; 135 136 137//---------------------------------------------------------------------- 138// From linux-2.6.16.60/include/asm-s390/signal.h 139//---------------------------------------------------------------------- 140 141#define _VKI_NSIG _VKI_SIGCONTEXT_NSIG 142#define _VKI_NSIG_BPW _VKI_SIGCONTEXT_NSIG_BPW 143#define _VKI_NSIG_WORDS _VKI_SIGCONTEXT_NSIG_WORDS 144 145typedef unsigned long vki_old_sigset_t; 146 147typedef struct { 148 unsigned long sig[_VKI_NSIG_WORDS]; 149} vki_sigset_t; 150 151#define VKI_SIGHUP 1 152#define VKI_SIGINT 2 153#define VKI_SIGQUIT 3 154#define VKI_SIGILL 4 155#define VKI_SIGTRAP 5 156#define VKI_SIGABRT 6 157#define VKI_SIGIOT 6 158#define VKI_SIGBUS 7 159#define VKI_SIGFPE 8 160#define VKI_SIGKILL 9 161#define VKI_SIGUSR1 10 162#define VKI_SIGSEGV 11 163#define VKI_SIGUSR2 12 164#define VKI_SIGPIPE 13 165#define VKI_SIGALRM 14 166#define VKI_SIGTERM 15 167#define VKI_SIGSTKFLT 16 168#define VKI_SIGCHLD 17 169#define VKI_SIGCONT 18 170#define VKI_SIGSTOP 19 171#define VKI_SIGTSTP 20 172#define VKI_SIGTTIN 21 173#define VKI_SIGTTOU 22 174#define VKI_SIGURG 23 175#define VKI_SIGXCPU 24 176#define VKI_SIGXFSZ 25 177#define VKI_SIGVTALRM 26 178#define VKI_SIGPROF 27 179#define VKI_SIGWINCH 28 180#define VKI_SIGIO 29 181#define VKI_SIGPOLL VKI_SIGIO 182/* 183#define VKI_SIGLOST 29 184*/ 185#define VKI_SIGPWR 30 186#define VKI_SIGSYS 31 187#define VKI_SIGUNUSED 31 188 189/* These should not be considered constants from userland. */ 190#define VKI_SIGRTMIN 32 191#define VKI_SIGRTMAX _VKI_NSIG 192 193/* 194 * SA_FLAGS values: 195 * 196 * SA_ONSTACK indicates that a registered stack_t will be used. 197 * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the 198 * SA_RESTART flag to get restarting signals (which were the default long ago) 199 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 200 * SA_RESETHAND clears the handler when the signal is delivered. 201 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 202 * SA_NODEFER prevents the current signal from being masked in the handler. 203 * 204 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 205 * Unix names RESETHAND and NODEFER respectively. 206 */ 207#define VKI_SA_NOCLDSTOP 0x00000001 208#define VKI_SA_NOCLDWAIT 0x00000002 209#define VKI_SA_SIGINFO 0x00000004 210#define VKI_SA_ONSTACK 0x08000000 211#define VKI_SA_RESTART 0x10000000 212#define VKI_SA_NODEFER 0x40000000 213#define VKI_SA_RESETHAND 0x80000000 214 215#define VKI_SA_NOMASK VKI_SA_NODEFER 216#define VKI_SA_ONESHOT VKI_SA_RESETHAND 217#define VKI_SA_INTERRUPT 0x20000000 /* dummy -- ignored */ 218 219#define VKI_SA_RESTORER 0x04000000 220 221/* 222 * sigaltstack controls 223 */ 224#define VKI_SS_ONSTACK 1 225#define VKI_SS_DISABLE 2 226 227#define VKI_MINSIGSTKSZ 2048 228#define VKI_SIGSTKSZ 8192 229 230 231/* Next lines asm-generic/signal.h */ 232#define VKI_SIG_BLOCK 0 /* for blocking signals */ 233#define VKI_SIG_UNBLOCK 1 /* for unblocking signals */ 234#define VKI_SIG_SETMASK 2 /* for setting the signal mask */ 235 236typedef void __vki_signalfn_t(int); 237typedef __vki_signalfn_t __user *__vki_sighandler_t; 238 239/* default signal handling */ 240#define VKI_SIG_DFL ((__force __vki_sighandler_t)0) 241/* ignore signal */ 242#define VKI_SIG_IGN ((__force __vki_sighandler_t)1) 243/* error return from signal */ 244#define VKI_SIG_ERR ((__force __vki_sighandler_t)-1) 245/* Back to asm-s390/signal.h */ 246 247struct vki_old_sigaction { 248 // [[Nb: a 'k' prefix is added to "sa_handler" because 249 // bits/sigaction.h (which gets dragged in somehow via signal.h) 250 // #defines it as something else. Since that is done for glibc's 251 // purposes, which we don't care about here, we use our own name.]] 252 __vki_sighandler_t ksa_handler; 253 vki_old_sigset_t sa_mask; 254 unsigned long sa_flags; 255 void (*sa_restorer)(void); 256}; 257 258struct vki_sigaction { 259 // [[See comment about extra 'k' above]] 260 __vki_sighandler_t ksa_handler; 261 unsigned long sa_flags; 262 void (*sa_restorer)(void); 263 vki_sigset_t sa_mask; /* mask last for extensibility */ 264}; 265 266struct vki_k_sigaction { 267 struct vki_sigaction sa; 268}; 269 270 271/* On Linux we use the same type for passing sigactions to 272 and from the kernel. Hence: */ 273typedef struct vki_sigaction vki_sigaction_toK_t; 274typedef struct vki_sigaction vki_sigaction_fromK_t; 275 276 277typedef struct vki_sigaltstack { 278 void __user *ss_sp; 279 int ss_flags; 280 vki_size_t ss_size; 281} vki_stack_t; 282 283 284//---------------------------------------------------------------------- 285// From linux-2.6.16.60/include/asm-s390/mman.h 286//---------------------------------------------------------------------- 287 288#define VKI_PROT_NONE 0x0 /* No page permissions */ 289#define VKI_PROT_READ 0x1 /* page can be read */ 290#define VKI_PROT_WRITE 0x2 /* page can be written */ 291#define VKI_PROT_EXEC 0x4 /* page can be executed */ 292#define VKI_PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend 293 change to start of 294 growsdown vma */ 295#define VKI_PROT_GROWSUP 0x02000000 /* mprotect flag: 296 extend change to end 297 of growsup vma */ 298 299#define VKI_MAP_SHARED 0x0001 /* Share changes */ 300#define VKI_MAP_PRIVATE 0x0002 /* */ 301#define VKI_MAP_FIXED 0x0010 /* */ 302#define VKI_MAP_ANONYMOUS 0x0020 /* */ 303 304 305//---------------------------------------------------------------------- 306// From linux-2.6.16.60/include/asm-s390/fcntl.h 307//---------------------------------------------------------------------- 308 309#define VKI_O_RDONLY 00000000 310#define VKI_O_WRONLY 00000001 311#define VKI_O_RDWR 00000002 312#define VKI_O_ACCMODE 00000003 313#define VKI_O_CREAT 00000100 /* not fcntl */ 314#define VKI_O_EXCL 00000200 /* not fcntl */ 315#define VKI_O_NOCTTY 00000400 /* not fcntl */ 316#define VKI_O_TRUNC 00001000 /* not fcntl */ 317#define VKI_O_APPEND 00002000 318#define VKI_O_NONBLOCK 00004000 319 320#define VKI_AT_FDCWD -100 321 322#define VKI_F_DUPFD 0 /* dup */ 323#define VKI_F_GETFD 1 /* get close_on_exec */ 324#define VKI_F_SETFD 2 /* set/clear close_on_exec */ 325#define VKI_F_GETFL 3 /* get file->f_flags */ 326#define VKI_F_SETFL 4 /* set file->f_flags */ 327#define VKI_F_GETLK 5 328#define VKI_F_SETLK 6 329#define VKI_F_SETLKW 7 330#define VKI_F_SETOWN 8 /* for sockets. */ 331#define VKI_F_GETOWN 9 /* for sockets. */ 332#define VKI_F_SETSIG 10 /* for sockets. */ 333#define VKI_F_GETSIG 11 /* for sockets. */ 334 335#define VKI_FD_CLOEXEC 1 /* actually anything with low bit set goes */ 336 337#define VKI_F_LINUX_SPECIFIC_BASE 1024 338 339 340//---------------------------------------------------------------------- 341// From linux-2.6.16.60/include/asm-s390x/resource.h 342//---------------------------------------------------------------------- 343 344// which just does #include <asm-generic/resource.h> 345 346#define VKI_RLIMIT_DATA 2 /* max data size */ 347#define VKI_RLIMIT_STACK 3 /* max stack size */ 348#define VKI_RLIMIT_CORE 4 /* max core file size */ 349#define VKI_RLIMIT_NOFILE 7 /* max number of open files */ 350 351 352//---------------------------------------------------------------------- 353// From linux-2.6.16.60/include/asm-s390/socket.h 354//---------------------------------------------------------------------- 355 356#define VKI_SOL_SOCKET 1 357 358#define VKI_SO_TYPE 3 359 360 361//---------------------------------------------------------------------- 362// From linux-2.6.16.60/include/asm-s390/sockios.h 363//---------------------------------------------------------------------- 364 365#define VKI_SIOCSPGRP 0x8902 366#define VKI_SIOCGPGRP 0x8904 367#define VKI_SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ 368/* since 2.6.22 */ 369#define VKI_SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ 370 371 372//---------------------------------------------------------------------- 373// From linux-2.6.16.60/include/asm-s390/stat.h 374//---------------------------------------------------------------------- 375 376#ifndef VGA_s390x 377struct vki_stat { 378 unsigned short st_dev; 379 unsigned short __pad1; 380 unsigned long st_ino; 381 unsigned short st_mode; 382 unsigned short st_nlink; 383 unsigned short st_uid; 384 unsigned short st_gid; 385 unsigned short st_rdev; 386 unsigned short __pad2; 387 unsigned long st_size; 388 unsigned long st_blksize; 389 unsigned long st_blocks; 390 unsigned long st_atime; 391 unsigned long st_atime_nsec; 392 unsigned long st_mtime; 393 unsigned long st_mtime_nsec; 394 unsigned long st_ctime; 395 unsigned long st_ctime_nsec; 396 unsigned long __unused4; 397 unsigned long __unused5; 398}; 399 400/* This matches struct stat64 in glibc2.1, hence the absolutely 401 * insane amounts of padding around dev_t's. 402 */ 403struct vki_stat64 { 404 unsigned long long st_dev; 405 unsigned int __pad1; 406 unsigned long __st_ino; 407 unsigned int st_mode; 408 unsigned int st_nlink; 409 unsigned long st_uid; 410 unsigned long st_gid; 411 unsigned long long st_rdev; 412 unsigned int __pad3; 413 long long st_size; 414 unsigned long st_blksize; 415 unsigned char __pad4[4]; 416 unsigned long __pad5; /* future possible st_blocks high bits */ 417 unsigned long st_blocks; /* Number 512-byte blocks allocated. */ 418 unsigned long st_atime; 419 unsigned long st_atime_nsec; 420 unsigned long st_mtime; 421 unsigned long st_mtime_nsec; 422 unsigned long st_ctime; 423 unsigned long st_ctime_nsec; /* will be high 32 bits of ctime someday */ 424 unsigned long long st_ino; 425}; 426 427#else 428 429struct vki_stat { 430 unsigned long st_dev; 431 unsigned long st_ino; 432 unsigned long st_nlink; 433 unsigned int st_mode; 434 unsigned int st_uid; 435 unsigned int st_gid; 436 unsigned int __pad1; 437 unsigned long st_rdev; 438 unsigned long st_size; 439 unsigned long st_atime; 440 unsigned long st_atime_nsec; 441 unsigned long st_mtime; 442 unsigned long st_mtime_nsec; 443 unsigned long st_ctime; 444 unsigned long st_ctime_nsec; 445 unsigned long st_blksize; 446 long st_blocks; 447 unsigned long __unused[3]; 448}; 449 450#endif /* VGA_s390x */ 451 452 453//---------------------------------------------------------------------- 454// From linux-2.6.16.60/include/asm-s390/statfs.h 455//---------------------------------------------------------------------- 456 457struct vki_statfs { 458 int f_type; 459 int f_bsize; 460 long f_blocks; 461 long f_bfree; 462 long f_bavail; 463 long f_files; 464 long f_ffree; 465 __vki_kernel_fsid_t f_fsid; 466 int f_namelen; 467 int f_frsize; 468 int f_spare[5]; 469}; 470 471 472//---------------------------------------------------------------------- 473// From linux-2.6.16.60/include/asm-s390/termios.h 474//---------------------------------------------------------------------- 475 476struct vki_winsize { 477 unsigned short ws_row; 478 unsigned short ws_col; 479 unsigned short ws_xpixel; 480 unsigned short ws_ypixel; 481}; 482 483#define VKI_NCC 8 484struct vki_termio { 485 unsigned short c_iflag; /* input mode flags */ 486 unsigned short c_oflag; /* output mode flags */ 487 unsigned short c_cflag; /* control mode flags */ 488 unsigned short c_lflag; /* local mode flags */ 489 unsigned char c_line; /* line discipline */ 490 unsigned char c_cc[VKI_NCC]; /* control characters */ 491}; 492 493 494//---------------------------------------------------------------------- 495// From linux-2.6.16.60/include/asm-s390/termbits.h 496//---------------------------------------------------------------------- 497 498typedef unsigned char vki_cc_t; 499typedef unsigned int vki_tcflag_t; 500 501#define VKI_NCCS 19 502struct vki_termios { 503 vki_tcflag_t c_iflag; /* input mode flags */ 504 vki_tcflag_t c_oflag; /* output mode flags */ 505 vki_tcflag_t c_cflag; /* control mode flags */ 506 vki_tcflag_t c_lflag; /* local mode flags */ 507 vki_cc_t c_line; /* line discipline */ 508 vki_cc_t c_cc[VKI_NCCS]; /* control characters */ 509}; 510 511 512//---------------------------------------------------------------------- 513// From linux-2.6.16.60/include/asm-s390/ioctl.h 514//---------------------------------------------------------------------- 515 516#define _VKI_IOC_NRBITS 8 517#define _VKI_IOC_TYPEBITS 8 518#define _VKI_IOC_SIZEBITS 14 519#define _VKI_IOC_DIRBITS 2 520 521#define _VKI_IOC_NRMASK ((1 << _VKI_IOC_NRBITS)-1) 522#define _VKI_IOC_TYPEMASK ((1 << _VKI_IOC_TYPEBITS)-1) 523#define _VKI_IOC_SIZEMASK ((1 << _VKI_IOC_SIZEBITS)-1) 524#define _VKI_IOC_DIRMASK ((1 << _VKI_IOC_DIRBITS)-1) 525 526#define _VKI_IOC_NRSHIFT 0 527#define _VKI_IOC_TYPESHIFT (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS) 528#define _VKI_IOC_SIZESHIFT (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS) 529#define _VKI_IOC_DIRSHIFT (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS) 530 531#define _VKI_IOC_NONE 0U 532#define _VKI_IOC_WRITE 1U 533#define _VKI_IOC_READ 2U 534 535#define _VKI_IOC(dir,type,nr,size) \ 536 (((dir) << _VKI_IOC_DIRSHIFT) | \ 537 ((type) << _VKI_IOC_TYPESHIFT) | \ 538 ((nr) << _VKI_IOC_NRSHIFT) | \ 539 ((size) << _VKI_IOC_SIZESHIFT)) 540 541/* used to create numbers */ 542#define _VKI_IO(type,nr) _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0) 543#define _VKI_IOR(type,nr,size) _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 544#define _VKI_IOW(type,nr,size) _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 545#define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size))) 546 547/* used to decode ioctl numbers.. */ 548#define _VKI_IOC_DIR(nr) (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK) 549#define _VKI_IOC_TYPE(nr) (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK) 550#define _VKI_IOC_NR(nr) (((nr) >> _VKI_IOC_NRSHIFT) & _VKI_IOC_NRMASK) 551#define _VKI_IOC_SIZE(nr) (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK) 552 553//---------------------------------------------------------------------- 554// From linux-2.6.16.60/include/asm-s390/ioctls.h 555//---------------------------------------------------------------------- 556 557/* 0x54 is just a magic number to make these relatively unique ('T') */ 558 559#define VKI_TCGETS 0x5401 560#define VKI_TCSETS 0x5402 561#define VKI_TCSETSW 0x5403 562#define VKI_TCSETSF 0x5404 563#define VKI_TCGETA 0x5405 564#define VKI_TCSETA 0x5406 565#define VKI_TCSETAW 0x5407 566#define VKI_TCSETAF 0x5408 567#define VKI_TCSBRK 0x5409 568#define VKI_TCXONC 0x540A 569#define VKI_TCFLSH 0x540B 570 571#define VKI_TIOCSCTTY 0x540E 572#define VKI_TIOCGPGRP 0x540F 573#define VKI_TIOCSPGRP 0x5410 574#define VKI_TIOCOUTQ 0x5411 575 576#define VKI_TIOCGWINSZ 0x5413 577#define VKI_TIOCSWINSZ 0x5414 578#define VKI_TIOCMGET 0x5415 579#define VKI_TIOCMBIS 0x5416 580#define VKI_TIOCMBIC 0x5417 581#define VKI_TIOCMSET 0x5418 582 583#define VKI_FIONREAD 0x541B 584#define VKI_TIOCLINUX 0x541C 585 586#define VKI_FIONBIO 0x5421 587 588#define VKI_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ 589 590#define VKI_TIOCGPTN _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ 591#define VKI_TIOCSPTLCK _VKI_IOW('T',0x31, int) /* Lock/unlock Pty */ 592 593#define VKI_FIOASYNC 0x5452 594 595#define VKI_TIOCSERGETLSR 0x5459 /* Get line status register */ 596 597#define VKI_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ 598 599//---------------------------------------------------------------------- 600// From linux-2.6.39-rc2/arch/s390/include/asm/ioctls.h 601//---------------------------------------------------------------------- 602 603#define VKI_FIOQSIZE 0x545E 604 605//---------------------------------------------------------------------- 606// From linux-2.6.16.60/include/asm-s390/poll.h 607//---------------------------------------------------------------------- 608 609struct vki_pollfd { 610 int fd; 611 short events; 612 short revents; 613}; 614 615#define VKI_POLLIN 0x0001 616 617//---------------------------------------------------------------------- 618// From linux-2.6.16.60/include/asm-s390/ptrace.h 619//---------------------------------------------------------------------- 620#define VKI_NUM_GPRS 16 621#define VKI_NUM_FPRS 16 622#define VKI_NUM_CRS 16 623#define VKI_NUM_ACRS 16 624 625typedef union 626{ 627 float f; 628 double d; 629 __vki_u64 ui; 630 struct 631 { 632 __vki_u32 hi; 633 __vki_u32 lo; 634 } fp; 635} vki_freg_t; 636 637typedef struct 638{ 639 __vki_u32 fpc; 640 vki_freg_t fprs[VKI_NUM_FPRS]; 641} vki_s390_fp_regs; 642 643typedef struct 644{ 645 unsigned long mask; 646 unsigned long addr; 647} __attribute__ ((aligned(8))) vki_psw_t; 648 649typedef struct 650{ 651 vki_psw_t psw; 652 unsigned long gprs[VKI_NUM_GPRS]; 653 unsigned int acrs[VKI_NUM_ACRS]; 654 unsigned long orig_gpr2; 655} vki_s390_regs; 656 657/* 658 * Now for the program event recording (trace) definitions. 659 */ 660typedef struct 661{ 662 unsigned long cr[3]; 663} vki_per_cr_words; 664 665typedef struct 666{ 667#ifdef VGA_s390x 668 unsigned : 32; 669#endif /* VGA_s390x */ 670 unsigned em_branching : 1; 671 unsigned em_instruction_fetch : 1; 672 /* 673 * Switching on storage alteration automatically fixes 674 * the storage alteration event bit in the users std. 675 */ 676 unsigned em_storage_alteration : 1; 677 unsigned em_gpr_alt_unused : 1; 678 unsigned em_store_real_address : 1; 679 unsigned : 3; 680 unsigned branch_addr_ctl : 1; 681 unsigned : 1; 682 unsigned storage_alt_space_ctl : 1; 683 unsigned : 21; 684 unsigned long starting_addr; 685 unsigned long ending_addr; 686} vki_per_cr_bits; 687 688typedef struct 689{ 690 unsigned short perc_atmid; 691 unsigned long address; 692 unsigned char access_id; 693} vki_per_lowcore_words; 694 695typedef struct 696{ 697 unsigned perc_branching : 1; 698 unsigned perc_instruction_fetch : 1; 699 unsigned perc_storage_alteration : 1; 700 unsigned perc_gpr_alt_unused : 1; 701 unsigned perc_store_real_address : 1; 702 unsigned : 3; 703 unsigned atmid_psw_bit_31 : 1; 704 unsigned atmid_validity_bit : 1; 705 unsigned atmid_psw_bit_32 : 1; 706 unsigned atmid_psw_bit_5 : 1; 707 unsigned atmid_psw_bit_16 : 1; 708 unsigned atmid_psw_bit_17 : 1; 709 unsigned si : 2; 710 unsigned long address; 711 unsigned : 4; 712 unsigned access_id : 4; 713} vki_per_lowcore_bits; 714 715typedef struct 716{ 717 union { 718 vki_per_cr_words words; 719 vki_per_cr_bits bits; 720 } control_regs; 721 /* 722 * Use these flags instead of setting em_instruction_fetch 723 * directly they are used so that single stepping can be 724 * switched on & off while not affecting other tracing 725 */ 726 unsigned single_step : 1; 727 unsigned instruction_fetch : 1; 728 unsigned : 30; 729 /* 730 * These addresses are copied into cr10 & cr11 if single 731 * stepping is switched off 732 */ 733 unsigned long starting_addr; 734 unsigned long ending_addr; 735 union { 736 vki_per_lowcore_words words; 737 vki_per_lowcore_bits bits; 738 } lowcore; 739} vki_per_struct; 740 741/* 742 * The user_regs_struct defines the way the user registers are 743 * store on the stack for signal handling. 744 */ 745struct vki_user_regs_struct 746{ 747 vki_psw_t psw; 748 unsigned long gprs[VKI_NUM_GPRS]; 749 unsigned int acrs[VKI_NUM_ACRS]; 750 unsigned long orig_gpr2; 751 vki_s390_fp_regs fp_regs; 752 /* 753 * These per registers are in here so that gdb can modify them 754 * itself as there is no "official" ptrace interface for hardware 755 * watchpoints. This is the way intel does it. 756 */ 757 vki_per_struct per_info; 758 unsigned long ieee_instruction_pointer; 759 /* Used to give failing instruction back to user for ieee exceptions */ 760}; 761 762typedef struct 763{ 764 unsigned int vki_len; 765 unsigned long vki_kernel_addr; 766 unsigned long vki_process_addr; 767} vki_ptrace_area; 768 769/* 770 * S/390 specific non posix ptrace requests 771 */ 772#define VKI_PTRACE_PEEKUSR_AREA 0x5000 773#define VKI_PTRACE_POKEUSR_AREA 0x5001 774 775//---------------------------------------------------------------------- 776// From linux-2.6.16.60/include/asm-s390/elf.h 777//---------------------------------------------------------------------- 778 779typedef vki_s390_fp_regs vki_elf_fpregset_t; 780typedef vki_s390_regs vki_elf_gregset_t; 781 782 783//---------------------------------------------------------------------- 784// From linux-2.6.16.60/include/asm-s390/ucontext.h 785//---------------------------------------------------------------------- 786 787struct vki_ucontext { 788 unsigned long uc_flags; 789 struct vki_ucontext *uc_link; 790 vki_stack_t uc_stack; 791 _vki_sigregs uc_mcontext; 792 vki_sigset_t uc_sigmask; /* mask last for extensibility */ 793}; 794 795//---------------------------------------------------------------------- 796// From linux-2.6.16.60/include/asm-s390/ipcbuf.h 797//---------------------------------------------------------------------- 798 799struct vki_ipc64_perm 800{ 801 __vki_kernel_key_t key; 802 __vki_kernel_uid32_t uid; 803 __vki_kernel_gid32_t gid; 804 __vki_kernel_uid32_t cuid; 805 __vki_kernel_gid32_t cgid; 806 __vki_kernel_mode_t mode; 807 unsigned short __pad1; 808 unsigned short seq; 809#ifndef VGA_s390x 810 unsigned short __pad2; 811#endif /* ! VGA_s390x */ 812 unsigned long __unused1; 813 unsigned long __unused2; 814}; 815 816 817//---------------------------------------------------------------------- 818// From linux-2.6.16.60/include/asm-s390/sembuf.h 819//---------------------------------------------------------------------- 820 821struct vki_semid64_ds { 822 struct vki_ipc64_perm sem_perm; /* permissions .. see ipc.h */ 823 __vki_kernel_time_t sem_otime; /* last semop time */ 824#ifndef VGA_s390x 825 unsigned long __unused1; 826#endif /* ! VGA_s390x */ 827 __vki_kernel_time_t sem_ctime; /* last change time */ 828#ifndef VGA_s390x 829 unsigned long __unused2; 830#endif /* ! VGA_s390x */ 831 unsigned long sem_nsems; /* no. of semaphores in array */ 832 unsigned long __unused3; 833 unsigned long __unused4; 834}; 835 836 837//---------------------------------------------------------------------- 838// From linux-2.6.16.60/include/asm-s390/msgbuf.h 839//---------------------------------------------------------------------- 840 841struct vki_msqid64_ds { 842 struct vki_ipc64_perm msg_perm; 843 __vki_kernel_time_t msg_stime; /* last msgsnd time */ 844#ifndef VGA_s390x 845 unsigned long __unused1; 846#endif /* ! VGA_s390x */ 847 __vki_kernel_time_t msg_rtime; /* last msgrcv time */ 848#ifndef VGA_s390x 849 unsigned long __unused2; 850#endif /* ! VGA_s390x */ 851 __vki_kernel_time_t msg_ctime; /* last change time */ 852#ifndef VGA_s390x 853 unsigned long __unused3; 854#endif /* ! VGA_s390x */ 855 unsigned long msg_cbytes; /* current number of bytes on queue */ 856 unsigned long msg_qnum; /* number of messages in queue */ 857 unsigned long msg_qbytes; /* max number of bytes on queue */ 858 __vki_kernel_pid_t msg_lspid; /* pid of last msgsnd */ 859 __vki_kernel_pid_t msg_lrpid; /* last receive pid */ 860 unsigned long __unused4; 861 unsigned long __unused5; 862}; 863 864 865//---------------------------------------------------------------------- 866// From linux-2.6.16.60/include/asm-s390/ipc.h 867//---------------------------------------------------------------------- 868 869struct vki_ipc_kludge { 870 struct vki_msgbuf __user *msgp; 871 long msgtyp; 872}; 873 874#define VKI_SEMOP 1 875#define VKI_SEMGET 2 876#define VKI_SEMCTL 3 877#define VKI_SEMTIMEDOP 4 878#define VKI_MSGSND 11 879#define VKI_MSGRCV 12 880#define VKI_MSGGET 13 881#define VKI_MSGCTL 14 882#define VKI_SHMAT 21 883#define VKI_SHMDT 22 884#define VKI_SHMGET 23 885#define VKI_SHMCTL 24 886 887 888//---------------------------------------------------------------------- 889// From linux-2.6.16.60/include/asm-s390/shmbuf.h 890//---------------------------------------------------------------------- 891 892struct vki_shmid64_ds { 893 struct vki_ipc64_perm shm_perm; /* operation perms */ 894 vki_size_t shm_segsz; /* size of segment (bytes) */ 895 __vki_kernel_time_t shm_atime; /* last attach time */ 896#ifndef VGA_s390x 897 unsigned long __unused1; 898#endif /* ! VGA_s390x */ 899 __vki_kernel_time_t shm_dtime; /* last detach time */ 900#ifndef VGA_s390x 901 unsigned long __unused2; 902#endif /* ! VGA_s390x */ 903 __vki_kernel_time_t shm_ctime; /* last change time */ 904#ifndef VGA_s390x 905 unsigned long __unused3; 906#endif /* ! VGA_s390x */ 907 __vki_kernel_pid_t shm_cpid; /* pid of creator */ 908 __vki_kernel_pid_t shm_lpid; /* pid of last operator */ 909 unsigned long shm_nattch; /* no. of current attaches */ 910 unsigned long __unused4; 911 unsigned long __unused5; 912}; 913 914struct vki_shminfo64 { 915 unsigned long shmmax; 916 unsigned long shmmin; 917 unsigned long shmmni; 918 unsigned long shmseg; 919 unsigned long shmall; 920 unsigned long __unused1; 921 unsigned long __unused2; 922 unsigned long __unused3; 923 unsigned long __unused4; 924}; 925 926 927//---------------------------------------------------------------------- 928// The following are defined in the VKI namespace but are nowhere found 929// in the linux headers. 930//---------------------------------------------------------------------- 931#define VKI_BIG_ENDIAN 1 932#define VKI_MAX_PAGE_SHIFT VKI_PAGE_SHIFT 933#define VKI_MAX_PAGE_SIZE VKI_PAGE_SIZE 934 935//---------------------------------------------------------------------- 936// From linux-2.6.35.4/arch/s390x/include/asm/shmparam.h 937//---------------------------------------------------------------------- 938 939#define VKI_SHMLBA VKI_PAGE_SIZE 940 941/* If a system call returns a value >= VKI_MAX_ERRNO then that is considered 942 an error condition. I.e. the system call failed. */ 943#define VKI_MAX_ERRNO -125 944 945#endif // __VKI_S390X_LINUX_H 946 947/*--------------------------------------------------------------------*/ 948/*--- end ---*/ 949/*--------------------------------------------------------------------*/ 950