| |
| /*--------------------------------------------------------------------*/ |
| /*--- A header file defining structures and constants which are ---*/ |
| /*--- important at the kernel boundary for this platform. ---*/ |
| /*--- vg_kerneliface.h ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, an extensible x86 protected-mode |
| emulator for monitoring program execution on x86-Unixes. |
| |
| Copyright (C) 2000-2004 Julian Seward |
| jseward@acm.org |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License as |
| published by the Free Software Foundation; either version 2 of the |
| License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307, USA. |
| |
| The GNU General Public License is contained in the file COPYING. |
| */ |
| |
| #ifndef __VG_KERNELIFACE_H |
| #define __VG_KERNELIFACE_H |
| |
| /* This file is ONLY to be included into vg_include.h. Do not include |
| it directly into valgrind source .c files. This file defines types |
| and constants for the kernel interface, and to make that clear |
| everything is prefixed VKI. */ |
| |
| /*--- All the following stuff is correct for Linux kernels 2.2.X and |
| 2.4.X. |
| ---*/ |
| |
| /* Should really get this from an include file somewhere. */ |
| #define VKI_BYTES_PER_PAGE_BITS 12 |
| #define VKI_BYTES_PER_PAGE (1 << VKI_BYTES_PER_PAGE_BITS) |
| |
| #define VKI_BYTES_PER_WORD 4 |
| #define VKI_WORDS_PER_PAGE (VKI_BYTES_PER_PAGE / VKI_BYTES_PER_WORD) |
| |
| |
| /* An implementation of signal sets. These are the same as the sigset |
| implementations in the relevant Linux kernels. Note carefully that |
| this has nothing to do with glibc's signal sets. We work entirely |
| at the kernel boundary, so the libc stuff is invisible and |
| irrelevant. */ |
| |
| /* The following is copied from |
| /usr/src/linux-2.4.9-13/include/asm-i386/signal.h */ |
| #define VKI_KNSIG 64 /* true for linux 2.2.X and 2.4.X */ |
| #define VKI_KNSIG_BPW 32 /* since we're using UInts */ |
| #define VKI_KNSIG_WORDS (VKI_KNSIG / VKI_KNSIG_BPW) |
| |
| typedef |
| struct { |
| UInt ws[VKI_KNSIG_WORDS]; |
| } |
| vki_ksigset_t; |
| |
| |
| typedef |
| struct { |
| void* ksa_handler; |
| unsigned long ksa_flags; |
| void (*ksa_restorer)(void); |
| vki_ksigset_t ksa_mask; |
| } |
| vki_ksigaction; |
| |
| typedef |
| struct { |
| void* ss_sp; |
| Int ss_flags; |
| UInt ss_size; |
| } |
| vki_kstack_t; |
| |
| #define SI_MAX_SIZE 128 |
| #define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 3) |
| |
| union vki_sigval { |
| Int sival_int; |
| void *sival_ptr; |
| }; |
| |
| typedef |
| struct { |
| Int si_signo; |
| Int si_errno; |
| Int si_code; |
| |
| union { |
| Int _pad[SI_PAD_SIZE]; |
| |
| /* kill() */ |
| struct { |
| Int _pid; /* sender's pid */ |
| Short _uid; /* sender's uid */ |
| } _kill; |
| |
| /* POSIX.1b timers */ |
| struct { |
| UInt _timer1; |
| UInt _timer2; |
| } _timer; |
| |
| /* POSIX.1b signals */ |
| struct { |
| Int _pid; /* sender's pid */ |
| UShort _uid; /* sender's uid */ |
| union vki_sigval _sigval; |
| } _rt; |
| |
| /* SIGCHLD */ |
| struct { |
| Int _pid; /* which child */ |
| UShort _uid; /* sender's uid */ |
| Int _status; /* exit code */ |
| Int _utime; |
| Int _stime; |
| } _sigchld; |
| |
| /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ |
| struct { |
| void *_addr; /* faulting insn/memory ref. */ |
| } _sigfault; |
| |
| /* SIGPOLL */ |
| struct { |
| Int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ |
| Int _fd; |
| } _sigpoll; |
| } _sifields; |
| } vki_ksiginfo_t; |
| |
| /* linux-2.6/include/asm-generic/siginfo.h */ |
| |
| #define VKI_SI_USER 0 |
| #define VKI_SI_QUEUE -1 |
| #define VKI_SI_TKILL -6 |
| |
| struct vki_fpreg { |
| UShort significand[4]; |
| UShort exponent; |
| }; |
| |
| struct vki_fpxreg { |
| UShort significand[4]; |
| UShort exponent; |
| UShort padding[3]; |
| }; |
| |
| struct vki_xmmreg { |
| UInt element[4]; |
| }; |
| |
| struct vki_fpstate { |
| /* Regular FPU environment */ |
| unsigned long cw; |
| unsigned long sw; |
| unsigned long tag; |
| unsigned long ipoff; |
| unsigned long cssel; |
| unsigned long dataoff; |
| unsigned long datasel; |
| struct vki_fpreg _st[8]; |
| unsigned short status; |
| unsigned short magic; /* 0xffff = regular FPU data only */ |
| |
| /* FXSR FPU environment */ |
| unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */ |
| unsigned long mxcsr; |
| unsigned long reserved; |
| struct vki_fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */ |
| struct vki_xmmreg _xmm[8]; |
| unsigned long padding[56]; |
| }; |
| |
| #define X86_FXSR_MAGIC 0x0000 |
| |
| struct vki_sigcontext { |
| UShort gs, __gsh; |
| UShort fs, __fsh; |
| UShort es, __esh; |
| UShort ds, __dsh; |
| UInt edi; |
| UInt esi; |
| UInt ebp; |
| UInt esp; |
| UInt ebx; |
| UInt edx; |
| UInt ecx; |
| UInt eax; |
| UInt trapno; |
| UInt err; |
| UInt eip; |
| UShort cs, __csh; |
| UInt eflags; |
| UInt esp_at_signal; |
| UShort ss, __ssh; |
| struct vki_fpstate * fpstate; |
| UInt oldmask; |
| UInt cr2; |
| }; |
| |
| struct vki_ucontext { |
| UInt uc_flags; |
| struct vki_ucontext *uc_link; |
| vki_kstack_t uc_stack; |
| struct vki_sigcontext uc_mcontext; |
| vki_ksigset_t uc_sigmask; /* mask last for extensibility */ |
| }; |
| |
| |
| /* sigaltstack controls */ |
| #define VKI_SS_ONSTACK 1 |
| #define VKI_SS_DISABLE 2 |
| |
| #define VKI_MINSIGSTKSZ 2048 |
| #define VKI_SIGSTKSZ 8192 |
| |
| |
| |
| #define VKI_SIG_BLOCK 0 /* for blocking signals */ |
| #define VKI_SIG_UNBLOCK 1 /* for unblocking signals */ |
| #define VKI_SIG_SETMASK 2 /* for setting the signal mask */ |
| |
| #define VKI_SIG_DFL ((void*)0) /* default signal handling */ |
| #define VKI_SIG_IGN ((void*)1) /* ignore signal */ |
| #define VKI_SIG_ERR ((void*)-1) /* error return from signal */ |
| |
| #define VKI_SA_ONSTACK 0x08000000 |
| #define VKI_SA_RESTART 0x10000000 |
| #define VKI_SA_NOCLDSTOP 0x00000001 |
| #define VKI_SA_SIGINFO 0x00000004 |
| #define VKI_SA_RESETHAND 0x80000000 |
| #define VKI_SA_ONESHOT VKI_SA_RESETHAND |
| #define VKI_SA_NODEFER 0x40000000 |
| #define VKI_SA_NOMASK VKI_SA_NODEFER |
| #define VKI_SA_NOCLDWAIT 0x00000002 |
| #define VKI_SA_RESTORER 0x04000000 |
| #if 0 |
| #define VKI_SA_INTERRUPT 0x20000000 /* dummy -- ignored */ |
| #endif |
| |
| /* extra wait flags */ |
| #define VKI_WNOHANG 1 /* Don't block waiting. */ |
| #define VKI_WUNTRACED 2 /* Report status of stopped children. */ |
| #define VKI__WALL 0x40000000 /* Wait for any child. */ |
| #define VKI__WCLONE 0x80000000 /* Wait for cloned process. */ |
| |
| #define VKI_SIGHUP 1 /* Hangup (POSIX). */ |
| #define VKI_SIGINT 2 /* Interrupt (ANSI). */ |
| #define VKI_SIGQUIT 3 /* Quit (POSIX). */ |
| #define VKI_SIGILL 4 /* Illegal instruction (ANSI). */ |
| #define VKI_SIGTRAP 5 /* Trace trap (POSIX). */ |
| #define VKI_SIGABRT 6 /* Abort (ANSI). */ |
| #define VKI_SIGIOT 6 /* IOT trap (4.2 BSD). */ |
| #define VKI_SIGBUS 7 /* BUS error (4.2 BSD). */ |
| #define VKI_SIGFPE 8 /* Floating-point exception (ANSI). */ |
| #define VKI_SIGKILL 9 /* Kill, unblockable (POSIX). */ |
| #define VKI_SIGUSR1 10 /* User-defined signal 1 (POSIX). */ |
| #define VKI_SIGSEGV 11 /* Segmentation violation (ANSI). */ |
| #define VKI_SIGUSR2 12 /* User-defined signal 2 (POSIX). */ |
| #define VKI_SIGPIPE 13 /* Broken pipe (POSIX). */ |
| #define VKI_SIGALRM 14 /* Alarm clock (POSIX). */ |
| #define VKI_SIGTERM 15 /* Termination (ANSI). */ |
| #define VKI_SIGSTKFLT 16 /* Stack fault. */ |
| #define VKI_SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */ |
| #define VKI_SIGCHLD 17 /* Child status has changed (POSIX). */ |
| #define VKI_SIGCONT 18 /* Continue (POSIX). */ |
| #define VKI_SIGSTOP 19 /* Stop, unblockable (POSIX). */ |
| #define VKI_SIGTSTP 20 /* Keyboard stop (POSIX). */ |
| #define VKI_SIGTTIN 21 /* Background read from tty (POSIX). */ |
| #define VKI_SIGTTOU 22 /* Background write to tty (POSIX). */ |
| #define VKI_SIGURG 23 /* Urgent condition on socket (4.2 BSD). */ |
| #define VKI_SIGXCPU 24 /* CPU limit exceeded (4.2 BSD). */ |
| #define VKI_SIGXFSZ 25 /* File size limit exceeded (4.2 BSD). */ |
| #define VKI_SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD). */ |
| #define VKI_SIGPROF 27 /* Profiling alarm clock (4.2 BSD). */ |
| #define VKI_SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */ |
| #define VKI_SIGPOLL SIGIO /* Pollable event occurred (System V). */ |
| #define VKI_SIGIO 29 /* I/O now possible (4.2 BSD). */ |
| #define VKI_SIGPWR 30 /* Power failure restart (System V). */ |
| #define VKI_SIGSYS 31 /* Bad system call. */ |
| #define VKI_SIGUNUSED 31 |
| |
| #define VKI_SIGRTMIN 32 |
| #define VKI_SIGRTMAX 63 |
| |
| #define VKI_SIGVGINT (VKI_SIGRTMIN+0) /* signal for internal use - interrupt */ |
| #define VKI_SIGVGKILL (VKI_SIGRTMIN+1) /* signal for internal use - kill */ |
| #define VKI_SIGRTUSERMIN (VKI_SIGRTMIN+2) /* first user-usable RT signal */ |
| |
| /* The following are copied from include/asm-i386/mman.h .*/ |
| |
| #define VKI_PROT_NONE 0x0 /* No page permissions */ |
| #define VKI_PROT_READ 0x1 /* Page can be read. */ |
| #define VKI_PROT_WRITE 0x2 /* Page can be written. */ |
| #define VKI_PROT_EXEC 0x4 /* Page can be executed. */ |
| #define VKI_MAP_ANONYMOUS 0x20 /* Don't use a file. */ |
| #define VKI_MAP_SHARED 0x01 /* Share changes. */ |
| #define VKI_MAP_PRIVATE 0x02 /* Changes are private. */ |
| #define VKI_MAP_FIXED 0x10 /* Interpret addr exactly */ |
| #define VKI_MAP_NOSYMS 0x40000000 /* internal pseudo-flag to disable symbol loading */ |
| #define VKI_MAP_CLIENT 0x80000000 /* internal pseudo-flag to distinguish client mappings */ |
| |
| /* linux/mman.h */ |
| #define VKI_MREMAP_MAYMOVE 1 |
| #define VKI_MREMAP_FIXED 2 |
| |
| /* Copied from linux-2.4.19/include/asm-i386/fcntl.h */ |
| |
| #define VKI_O_ACCMODE 0003 |
| #define VKI_O_RDONLY 00 |
| #define VKI_O_WRONLY 01 |
| #define VKI_O_RDWR 02 |
| #define VKI_O_CREAT 0100 /* not fcntl */ |
| #define VKI_O_EXCL 0200 /* not fcntl */ |
| #define VKI_O_TRUNC 01000 /* not fcntl */ |
| #define VKI_O_APPEND 02000 |
| #define VKI_O_NONBLOCK 04000 |
| #define VKI_O_SYNC 010000 |
| #define VKI_FASYNC 020000 /* fcntl, for BSD compatibility */ |
| #define VKI_O_DIRECT 040000 /* direct disk access hint */ |
| #define VKI_O_LARGEFILE 0100000 |
| #define VKI_O_DIRECTORY 0200000 /* must be a directory */ |
| #define VKI_O_NOFOLLOW 0400000 /* don't follow links */ |
| |
| #define VKI_SEEK_SET 0 |
| #define VKI_SEEK_CUR 1 |
| #define VKI_SEEK_END 2 |
| |
| /* Copied from linux-2.4.19/include/linux/stat.h */ |
| |
| #define VKI_S_IRWXU 00700 |
| #define VKI_S_IRUSR 00400 |
| #define VKI_S_IWUSR 00200 |
| #define VKI_S_IXUSR 00100 |
| |
| #define VKI_S_IRWXG 00070 |
| #define VKI_S_IRGRP 00040 |
| #define VKI_S_IWGRP 00020 |
| #define VKI_S_IXGRP 00010 |
| |
| #define VKI_S_IRWXO 00007 |
| #define VKI_S_IROTH 00004 |
| #define VKI_S_IWOTH 00002 |
| #define VKI_S_IXOTH 00001 |
| |
| |
| /* Copied from /usr/src/linux-2.4.9-13/include/asm/errno.h */ |
| |
| #define VKI_EPERM 1 /* Operation not permitted */ |
| #define VKI_ENOENT 2 /* No such file or directory */ |
| #define VKI_ESRCH 3 /* No such process */ |
| #define VKI_EINTR 4 /* Interrupted system call */ |
| #define VKI_EBADF 9 /* Bad file number */ |
| #define VKI_ENOMEM 12 /* Out of memory */ |
| #define VKI_EWOULDBLOCK VKI_EAGAIN /* Operation would block */ |
| #define VKI_EAGAIN 11 /* Try again */ |
| #define VKI_EACCES 13 /* Permission denied */ |
| #define VKI_EFAULT 14 /* Bad address */ |
| #define VKI_EEXIST 17 /* File exists */ |
| #define VKI_EINVAL 22 /* Invalid argument */ |
| #define VKI_ENFILE 23 /* File table overflow */ |
| #define VKI_EMFILE 24 /* Too many open files */ |
| #define VKI_ENOSYS 38 /* Function not implemented */ |
| |
| #define VKI_ERESTARTSYS 512 /* Restart the syscall */ |
| |
| /* Copied from linux/isdn.h */ |
| |
| #define VKI_IIOCGETCPS _IO( 'I',21 ) |
| #define VKI_IIOCNETGPN _IO( 'I',34 ) |
| |
| #define ISDN_MSNLEN 32 |
| |
| typedef struct { |
| char name[ 10 ]; |
| char phone[ ISDN_MSNLEN ]; |
| int outgoing; |
| } isdn_net_ioctl_phone; |
| |
| |
| /* Gawd ... hack ... */ |
| |
| typedef struct vki__user_cap_header_struct { |
| UInt version; |
| int pid; |
| } vki_cap_user_header_t; |
| |
| typedef struct vki__user_cap_data_struct { |
| UInt effective; |
| UInt permitted; |
| UInt inheritable; |
| } vki_cap_user_data_t; |
| |
| |
| /* "Byrial Jensen" <byrial@image.dk> says: |
| [various] ioctls take a pointer to a "struct |
| termios" but this is another and shorter "struct |
| termios" than the one defined in <termios.h> and used |
| by tcgetattr(3) and tcsetattr(3) and other library |
| functions. GNU libc translate between its library |
| termios and the kernel termios. |
| */ |
| |
| #define VKI_SIZEOF_STRUCT_TERMIOS 36 |
| |
| /* Adam Gundy <arg@cyberscience.com>, 20 Mar 2002, says: */ |
| #define VKI_SIZEOF_STRUCT_TERMIO 17 |
| |
| |
| /* File descriptor sets, for doing select(). Copied from |
| /usr/src/linux-2.4.9-31/include/linux/posix_types.h |
| */ |
| /* |
| * This allows for 1024 file descriptors: if NR_OPEN is ever grown |
| * beyond that you'll have to change this too. But 1024 fd's seem to be |
| * enough even for such "real" unices like OSF/1, so hopefully this is |
| * one limit that doesn't have to be changed [again]. |
| * |
| * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in |
| * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical |
| * place for them. Solved by having dummy defines in <sys/time.h>. |
| */ |
| |
| /* |
| * Those macros may have been defined in <gnu/types.h>. But we always |
| * use the ones here. |
| */ |
| #undef VKI_NFDBITS |
| #define VKI_NFDBITS (8 * sizeof(unsigned long)) |
| |
| #undef VKI_FD_SETSIZE |
| #define VKI_FD_SETSIZE 1024 |
| |
| #undef VKI_FDSET_LONGS |
| #define VKI_FDSET_LONGS (VKI_FD_SETSIZE/VKI_NFDBITS) |
| |
| #undef VKI_FDELT |
| #define VKI_FDELT(d) ((d) / VKI_NFDBITS) |
| |
| #undef VKI_FDMASK |
| #define VKI_FDMASK(d) (1UL << ((d) % VKI_NFDBITS)) |
| |
| typedef struct { |
| unsigned long vki_fds_bits [VKI_FDSET_LONGS]; |
| } vki_fd_set; |
| |
| |
| /* Gawd ... |
| Copied from /usr/src/linux-2.4.9-31/./include/asm-i386/posix_types.h |
| */ |
| #undef VKI_FD_SET |
| #define VKI_FD_SET(fd,fdsetp) \ |
| __asm__ __volatile__("btsl %1,%0": \ |
| "=m" (*(vki_fd_set *) (fdsetp)):"r" ((int) (fd))) |
| |
| #undef VKI_FD_CLR |
| #define VKI_FD_CLR(fd,fdsetp) \ |
| __asm__ __volatile__("btrl %1,%0": \ |
| "=m" (*(vki_fd_set *) (fdsetp)):"r" ((int) (fd))) |
| |
| #undef VKI_FD_ISSET |
| #define VKI_FD_ISSET(fd,fdsetp) (__extension__ ({ \ |
| unsigned char __result; \ |
| __asm__ __volatile__("btl %1,%2 ; setb %0" \ |
| :"=q" (__result) :"r" ((int) (fd)), \ |
| "m" (*(vki_fd_set *) (fdsetp))); \ |
| __result; })) |
| |
| #undef VKI_FD_ZERO |
| #define VKI_FD_ZERO(fdsetp) \ |
| do { \ |
| int __d0, __d1; \ |
| __asm__ __volatile__("cld ; rep ; stosl" \ |
| :"=m" (*(vki_fd_set *) (fdsetp)), \ |
| "=&c" (__d0), "=&D" (__d1) \ |
| :"a" (0), "1" (VKI_FDSET_LONGS), \ |
| "2" ((vki_fd_set *) (fdsetp)) : "memory"); \ |
| } while (0) |
| |
| |
| |
| struct vki_pollfd { |
| Int fd; |
| Short events; |
| Short revents; |
| }; |
| |
| /* asm/poll.h */ |
| #define VKI_POLLIN 0x0001 |
| #define VKI_POLLPRI 0x0002 |
| #define VKI_POLLOUT 0x0004 |
| #define VKI_POLLERR 0x0008 |
| #define VKI_POLLHUP 0x0010 |
| #define VKI_POLLNVAL 0x0020 |
| |
| |
| /* sys/epoll.h */ |
| typedef union vki_epoll_data { |
| void *ptr; |
| Int fd; |
| UInt u32; |
| ULong u64; |
| } vki_epoll_data_t; |
| |
| struct vki_epoll_event { |
| UInt events; /* Epoll events */ |
| vki_epoll_data_t data; /* User data variable */ |
| }; |
| |
| |
| /* |
| ./include/asm-i386/posix_types.h:typedef long __kernel_suseconds_t; |
| ./include/linux/types.h:typedef __kernel_suseconds_t suseconds_t; |
| |
| ./include/asm-i386/posix_types.h:typedef long __kernel_time_t; |
| ./include/linux/types.h:typedef __kernel_time_t time_t; |
| */ |
| |
| struct vki_timeval { |
| /* time_t */ long tv_sec; /* seconds */ |
| /* suseconds_t */ long tv_usec; /* microseconds */ |
| }; |
| |
| |
| |
| /* For fcntl on fds .. |
| from ./include/asm-i386/fcntl.h */ |
| #define VKI_F_DUPFD 0 /* dup */ |
| #define VKI_F_GETFD 1 /* get close_on_exec */ |
| #define VKI_F_SETFD 2 /* set/clear close_on_exec */ |
| #define VKI_F_GETFL 3 /* get file->f_flags */ |
| #define VKI_F_SETFL 4 /* set file->f_flags */ |
| #define VKI_F_GETLK 5 |
| #define VKI_F_SETLK 6 |
| #define VKI_F_SETLKW 7 |
| #define VKI_F_GETLK64 12 /* using 'struct flock64' */ |
| #define VKI_F_SETLK64 13 |
| #define VKI_F_SETLKW64 14 |
| |
| /* for F_[GET|SET]FL */ |
| #define VKI_FD_CLOEXEC 1 /* actually anything with low bit set goes */ |
| |
| #define VKI_O_NONBLOCK 04000 |
| |
| /* For nanosleep ... |
| from ./include/linux/time.h */ |
| struct vki_timespec { |
| /* time_t */ long tv_sec; /* seconds */ |
| long tv_nsec; /* nanoseconds */ |
| }; |
| |
| /* POSIX.1b structure for timer start values and intervals. */ |
| struct vki_itimerspec { |
| struct vki_timespec it_interval; |
| struct vki_timespec it_value; |
| }; |
| |
| /* STAT stuff |
| from /usr/src/linux-2.4.9-31/include/asm-i386/stat.h */ |
| struct vki_stat { |
| unsigned short st_dev; |
| unsigned short __pad1; |
| unsigned long st_ino; |
| unsigned short st_mode; |
| unsigned short st_nlink; |
| unsigned short st_uid; |
| unsigned short st_gid; |
| unsigned short st_rdev; |
| unsigned short __pad2; |
| unsigned long st_size; |
| unsigned long st_blksize; |
| unsigned long st_blocks; |
| unsigned long st_atime; |
| unsigned long __unused1; |
| unsigned long st_mtime; |
| unsigned long __unused2; |
| unsigned long st_ctime; |
| unsigned long __unused3; |
| unsigned long __unused4; |
| unsigned long __unused5; |
| }; |
| |
| |
| /* To do with the ELF frame constructed by the kernel on a process' |
| stack just before it transfers control to the program's interpreter |
| (to use the ELF parlance). |
| Constants from /usr/src/linux-2.4.9-31/include/linux/elf.h |
| Logic from /usr/src/linux-2.4.9-31/fs/binfmt_elf.c |
| and its counterpart in the 2.2.14 kernel sources |
| in Red Hat 6.2. */ |
| #define VKI_AT_NULL 0 |
| #define VKI_AT_SYSINFO 32 /* address of system info page */ |
| #define VKI_AT_CLKTCK 17 /* frequency at which times() increments */ |
| #define VKI_AT_HWCAP 16 /* arch dependent hints at CPU capabilities */ |
| #define VKI_AT_BASE 7 /* base address of interpreter */ |
| #define VKI_AT_PAGESZ 6 /* system page size */ |
| #define VKI_AT_PHNUM 5 /* number of program headers */ |
| #define VKI_AT_PHENT 4 /* size of program header entry */ |
| #define VKI_AT_PHDR 3 /* program headers for program */ |
| #define VKI_AT_USER_AUX_SEGMENT 23 /* tell glibc what address segment |
| 0x3B points to. (Needed for |
| Red Hat Limbo, 7.3.92) */ |
| |
| /* Including <linux/module.h> leads to loads of hassle because then we |
| need <asm/atomic.h> sometimes (RedHat 7.3) and that is a |
| kernel-only header which deliberately #errors on gcc-3.1. Mucho |
| hassle considering that we only want to know sizeof(struct module). |
| Hence ... |
| |
| #include <stdio.h> |
| #include <asm/atomic.h> |
| #include <linux/module.h> |
| |
| int main ( void ) |
| { |
| printf ("sizeof(struct module) = %d\n", sizeof(struct module) ); |
| return 0; |
| } |
| */ |
| |
| #define VKI_SIZEOF_STRUCT_MODULE 96 |
| |
| |
| /* This is the structure passed to the modify_ldt syscall. Just so as |
| to confuse and annoy everyone, this is _not_ the same as an |
| VgLdtEntry and has to be translated into such. The logic for doing |
| so, in vg_ldt.c, is copied from the kernel sources. */ |
| /* |
| * ldt.h |
| * |
| * Definitions of structures used with the modify_ldt system call. |
| */ |
| typedef struct vki_modify_ldt_ldt_s { |
| unsigned int entry_number; |
| unsigned long base_addr; |
| unsigned int limit; |
| unsigned int seg_32bit:1; |
| unsigned int contents:2; |
| unsigned int read_exec_only:1; |
| unsigned int limit_in_pages:1; |
| unsigned int seg_not_present:1; |
| unsigned int useable:1; |
| unsigned int reserved:25; |
| } vki_modify_ldt_t; |
| |
| #define VKI_MODIFY_LDT_CONTENTS_DATA 0 |
| #define VKI_MODIFY_LDT_CONTENTS_STACK 1 |
| #define VKI_MODIFY_LDT_CONTENTS_CODE 2 |
| |
| #define VKI_GDT_TLS_ENTRIES 3 |
| #define VKI_GDT_TLS_MIN 6 |
| #define VKI_GDT_TLS_MAX (VKI_GDT_TLS_MIN + VKI_GDT_TLS_ENTRIES) |
| |
| /* Flags for clone() */ |
| /* linux/sched.h */ |
| #define VKI_CSIGNAL 0x000000ff /* signal mask to be sent at exit */ |
| #define VKI_CLONE_VM 0x00000100 /* set if VM shared between processes */ |
| #define VKI_CLONE_FS 0x00000200 /* set if fs info shared between processes */ |
| #define VKI_CLONE_FILES 0x00000400 /* set if open files shared between processes */ |
| #define VKI_CLONE_SIGHAND 0x00000800 /* set if signal handlers and blocked signals shared */ |
| #define VKI_CLONE_IDLETASK 0x00001000 /* set if new pid should be 0 (kernel only)*/ |
| #define VKI_CLONE_PTRACE 0x00002000 /* set if we want to let tracing continue on the child too */ |
| #define VKI_CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */ |
| #define VKI_CLONE_PARENT 0x00008000 /* set if we want to have the same parent as the cloner */ |
| #define VKI_CLONE_THREAD 0x00010000 /* Same thread group? */ |
| #define VKI_CLONE_NEWNS 0x00020000 /* New namespace group? */ |
| #define VKI_CLONE_SYSVSEM 0x00040000 /* share system V SEM_UNDO semantics */ |
| #define VKI_CLONE_SETTLS 0x00080000 /* create a new TLS for the child */ |
| #define VKI_CLONE_PARENT_SETTID 0x00100000 /* set the TID in the parent */ |
| #define VKI_CLONE_CHILD_CLEARTID 0x00200000 /* clear the TID in the child */ |
| #define VKI_CLONE_DETACHED 0x00400000 /* parent wants no child-exit signal */ |
| #define VKI_CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force VKI_CLONE_PTRACE on this clone */ |
| #define VKI_CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */ |
| |
| /* This is the structure passed to the getdents syscall. */ |
| /* |
| * linux/dirent.h |
| */ |
| typedef struct vki_dirent { |
| long d_ino; |
| long d_off; |
| unsigned short d_reclen; |
| char d_name[256]; |
| } vki_dirent; |
| |
| |
| |
| /* This is the structure passed to the getrlimit syscall. */ |
| /* |
| * bits/resource.h |
| */ |
| typedef struct vki_rlimit { |
| unsigned long rlim_cur; |
| unsigned long rlim_max; |
| } vki_rlimit; |
| |
| #define VKI_RLIMIT_CPU 0 /* CPU time in ms */ |
| #define VKI_RLIMIT_FSIZE 1 /* Maximum filesize */ |
| #define VKI_RLIMIT_DATA 2 /* max data size */ |
| #define VKI_RLIMIT_STACK 3 /* max stack size */ |
| #define VKI_RLIMIT_CORE 4 /* max core file size */ |
| #define VKI_RLIMIT_RSS 5 /* max resident set size */ |
| #define VKI_RLIMIT_NPROC 6 /* max number of processes */ |
| #define VKI_RLIMIT_NOFILE 7 /* max number of open files */ |
| #define VKI_RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */ |
| #define VKI_RLIMIT_AS 9 /* address space limit */ |
| #define VKI_RLIMIT_LOCKS 10 /* maximum file locks held */ |
| |
| /* Socket stuff. */ |
| /* |
| * sys/socket.h |
| */ |
| typedef unsigned short vki_sa_family_t; |
| struct vki_sockaddr { |
| vki_sa_family_t sa_family; /* Address family. */ |
| char sa_data[14]; /* Address data. */ |
| }; |
| |
| /* statfs structs */ |
| /* |
| * bits/statfs.h |
| */ |
| |
| struct vki_statfs { |
| unsigned int f_type; |
| unsigned int f_bsize; |
| unsigned int f_blocks; |
| unsigned int f_bfree; |
| unsigned int f_bavail; |
| unsigned int f_files; |
| unsigned int f_ffree; |
| int f_fsid[ 2 ]; |
| unsigned int f_namelen; |
| unsigned int f_frsize; |
| unsigned int f_spare[5]; |
| }; |
| |
| struct vki_statfs64 { |
| unsigned int f_type; |
| unsigned int f_bsize; |
| unsigned long long f_blocks; |
| unsigned long long f_bfree; |
| unsigned long long f_bavail; |
| unsigned long long f_files; |
| unsigned long long f_ffree; |
| int f_fsid[ 2 ]; |
| unsigned int f_namelen; |
| unsigned int f_frsize; |
| unsigned int f_spare[5]; |
| }; |
| |
| /* |
| * linux/futex.h |
| */ |
| |
| #define VKI_FUTEX_WAIT 0 |
| #define VKI_FUTEX_WAKE 1 |
| #define VKI_FUTEX_FD 2 |
| #define VKI_FUTEX_REQUEUE 3 |
| |
| /* |
| * linux/ipc.h |
| */ |
| |
| #define VKI_IPC_CREAT 00001000 /* create if key is nonexistent */ |
| #define VKI_IPC_EXCL 00002000 /* fail if key exists */ |
| #define VKI_IPC_NOWAIT 00004000 /* return error on wait */ |
| |
| /* |
| * linux/elfcore.h |
| */ |
| |
| struct elf_siginfo |
| { |
| int si_signo; /* signal number */ |
| int si_code; /* extra code */ |
| int si_errno; /* errno */ |
| }; |
| |
| /* |
| * This is the old layout of "struct pt_regs", and |
| * is still the layout used by user mode (the new |
| * pt_regs doesn't have all registers as the kernel |
| * doesn't use the extra segment registers) |
| */ |
| struct user_regs_struct { |
| long ebx, ecx, edx, esi, edi, ebp, eax; |
| unsigned short ds, __ds, es, __es; |
| unsigned short fs, __fs, gs, __gs; |
| long orig_eax, eip; |
| unsigned short cs, __cs; |
| long eflags, esp; |
| unsigned short ss, __ss; |
| }; |
| |
| struct user_i387_struct { |
| long cwd; |
| long swd; |
| long twd; |
| long fip; |
| long fcs; |
| long foo; |
| long fos; |
| long st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ |
| }; |
| |
| struct user_fxsr_struct { |
| unsigned short cwd; |
| unsigned short swd; |
| unsigned short twd; |
| unsigned short fop; |
| long fip; |
| long fcs; |
| long foo; |
| long fos; |
| long mxcsr; |
| long reserved; |
| long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ |
| long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ |
| long padding[56]; |
| }; |
| |
| typedef unsigned long elf_greg_t; |
| |
| #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) |
| typedef elf_greg_t elf_gregset_t[ELF_NGREG]; |
| |
| typedef struct user_i387_struct elf_fpregset_t; |
| typedef struct user_fxsr_struct elf_fpxregset_t; |
| |
| |
| /* |
| * Definitions to generate Intel SVR4-like core files. |
| * These mostly have the same names as the SVR4 types with "elf_" |
| * tacked on the front to prevent clashes with linux definitions, |
| * and the typedef forms have been avoided. This is mostly like |
| * the SVR4 structure, but more Linuxy, with things that Linux does |
| * not support and which gdb doesn't really use excluded. |
| * Fields present but not used are marked with "XXX". |
| */ |
| struct elf_prstatus |
| { |
| #if 0 |
| long pr_flags; /* XXX Process flags */ |
| short pr_why; /* XXX Reason for process halt */ |
| short pr_what; /* XXX More detailed reason */ |
| #endif |
| struct elf_siginfo pr_info; /* Info associated with signal */ |
| short pr_cursig; /* Current signal */ |
| unsigned long pr_sigpend; /* Set of pending signals */ |
| unsigned long pr_sighold; /* Set of held signals */ |
| #if 0 |
| struct sigaltstack pr_altstack; /* Alternate stack info */ |
| struct sigaction pr_action; /* Signal action for current sig */ |
| #endif |
| Int pr_pid; |
| Int pr_ppid; |
| Int pr_pgrp; |
| Int pr_sid; |
| struct vki_timeval pr_utime; /* User time */ |
| struct vki_timeval pr_stime; /* System time */ |
| struct vki_timeval pr_cutime; /* Cumulative user time */ |
| struct vki_timeval pr_cstime; /* Cumulative system time */ |
| #if 0 |
| long pr_instr; /* Current instruction */ |
| #endif |
| elf_gregset_t pr_reg; /* GP registers */ |
| int pr_fpvalid; /* True if math co-processor being used. */ |
| }; |
| |
| #define ELF_PRARGSZ (80) /* Number of chars for args */ |
| |
| struct elf_prpsinfo |
| { |
| char pr_state; /* numeric process state */ |
| char pr_sname; /* char for pr_state */ |
| char pr_zomb; /* zombie */ |
| char pr_nice; /* nice val */ |
| unsigned long pr_flag; /* flags */ |
| Int pr_uid; |
| Int pr_gid; |
| Int pr_pid, pr_ppid, pr_pgrp, pr_sid; |
| /* Lots missing */ |
| char pr_fname[16]; /* filename of executable */ |
| char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */ |
| }; |
| |
| /* |
| * linux/aio_abi.h |
| */ |
| |
| typedef struct { |
| unsigned id; /* kernel internal index number */ |
| unsigned nr; /* number of io_events */ |
| unsigned head; |
| unsigned tail; |
| |
| unsigned magic; |
| unsigned compat_features; |
| unsigned incompat_features; |
| unsigned header_length; /* size of aio_ring */ |
| } vki_aio_ring ; |
| |
| typedef vki_aio_ring *vki_aio_context_t; |
| |
| typedef struct { |
| ULong data; |
| ULong obj; |
| Long result; |
| Long result2; |
| } vki_io_event; |
| |
| typedef struct { |
| /* these are internal to the kernel/libc. */ |
| ULong aio_data; /* data to be returned in event's data */ |
| ULong aio_key; |
| /* the kernel sets aio_key to the req # */ |
| |
| /* common fields */ |
| UShort aio_lio_opcode; /* see IOCB_CMD_ above */ |
| UShort aio_reqprio; |
| UInt aio_fildes; |
| |
| ULong aio_buf; |
| ULong aio_nbytes; |
| Long aio_offset; |
| |
| /* extra parameters */ |
| ULong aio_reserved2; /* TODO: use this for a (struct sigevent *) */ |
| ULong aio_reserved3; |
| } vki_iocb; /* 64 bytes */ |
| |
| enum { |
| VKI_IOCB_CMD_PREAD = 0, |
| VKI_IOCB_CMD_PWRITE = 1, |
| VKI_IOCB_CMD_FSYNC = 2, |
| VKI_IOCB_CMD_FDSYNC = 3, |
| /* These two are experimental. |
| * IOCB_CMD_PREADX = 4, |
| * IOCB_CMD_POLL = 5, |
| */ |
| VKI_IOCB_CMD_NOOP = 6, |
| }; |
| |
| /* |
| * linux/mqueue.h |
| */ |
| |
| struct vki_mq_attr { |
| long mq_flags; /* message queue flags */ |
| long mq_maxmsg; /* maximum number of messages */ |
| long mq_msgsize; /* maximum message size */ |
| long mq_curmsgs; /* number of messages currently queued */ |
| long __reserved[4]; /* ignored for input, zeroed for output */ |
| }; |
| |
| #endif /* __VG_KERNELIFACE_H */ |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end vg_kerneliface.h ---*/ |
| /*--------------------------------------------------------------------*/ |