diff options
Diffstat (limited to 'sys/contrib/cloudabi')
| -rw-r--r-- | sys/contrib/cloudabi/syscalldefs_md.h | 255 | ||||
| -rw-r--r-- | sys/contrib/cloudabi/syscalldefs_mi.h | 457 |
2 files changed, 712 insertions, 0 deletions
diff --git a/sys/contrib/cloudabi/syscalldefs_md.h b/sys/contrib/cloudabi/syscalldefs_md.h new file mode 100644 index 0000000..95dd129 --- /dev/null +++ b/sys/contrib/cloudabi/syscalldefs_md.h @@ -0,0 +1,255 @@ +// Copyright (c) 2015 Nuxi, https://nuxi.nl/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +// ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +// SUCH DAMAGE. + +// Machine dependent definitions. + +// Macro to force sane alignment rules. +// +// On x86-32 it is the case that 64-bit integers are 4-byte aligned when +// embedded in structs, even though they are 8-byte aligned when not +// embedded. Force 8-byte alignment explicitly. +#define MEMBER(type) alignas(alignof(type)) type +#define ASSERT_OFFSET(type, field, offset32, offset64) \ + static_assert((sizeof(PTR(void)) == 4 && \ + offsetof(IDENT(type), field) == (offset32)) || \ + (sizeof(PTR(void)) == 8 && \ + offsetof(IDENT(type), field) == (offset64)), \ + "Offset incorrect") +#define ASSERT_SIZE(type, size32, size64) \ + static_assert( \ + (sizeof(PTR(void)) == 4 && sizeof(IDENT(type)) == (size32)) || \ + (sizeof(PTR(void)) == 8 && sizeof(IDENT(type)) == (size64)), \ + "Size incorrect") + +typedef void IDENT(threadentry_t)(cloudabi_tid_t, PTR(void)); + +typedef struct { + MEMBER(PTR(const void)) iov_base; + MEMBER(IDENT(size_t)) iov_len; +} IDENT(ciovec_t); +ASSERT_OFFSET(ciovec_t, iov_base, 0, 0); +ASSERT_OFFSET(ciovec_t, iov_len, 4, 8); +ASSERT_SIZE(ciovec_t, 8, 16); + +typedef struct { + MEMBER(cloudabi_userdata_t) userdata; + MEMBER(cloudabi_errno_t) error; + MEMBER(cloudabi_eventtype_t) type; + union { + // CLOUDABI_EVENTTYPE_CLOCK: Wait until the value of a clock + // exceeds a value. + struct { + MEMBER(cloudabi_userdata_t) identifier; + } clock; + + // CLOUDABI_EVENTTYPE_CONDVAR: Release a lock and wait on a + // condition variable. + struct { + MEMBER(PTR(_Atomic(cloudabi_condvar_t))) condvar; + } condvar; + + // CLOUDABI_EVENTTYPE_FD_READ and CLOUDABI_EVENTTYPE_FD_WRITE: + // Wait for a file descriptor to allow read() and write() to be + // called without blocking. + struct { + MEMBER(cloudabi_filesize_t) nbytes; + MEMBER(cloudabi_fd_t) fd; + MEMBER(uint16_t) flags; + } fd_readwrite; + + // CLOUDABI_EVENT_LOCK_RDLOCK and CLOUDABI_EVENT_LOCK_WRLOCK: Wait + // and acquire a read or write lock. + struct { + MEMBER(PTR(_Atomic(cloudabi_lock_t))) lock; + } lock; + + // CLOUDABI_EVENTTYPE_PROC_TERMINATE: Wait for a process to terminate. + struct { + MEMBER(cloudabi_fd_t) fd; + MEMBER(cloudabi_signal_t) signal; // Non-zero if process got killed. + MEMBER(cloudabi_exitcode_t) exitcode; // Exit code. + } proc_terminate; + }; +} IDENT(event_t); +ASSERT_OFFSET(event_t, userdata, 0, 0); +ASSERT_OFFSET(event_t, error, 8, 8); +ASSERT_OFFSET(event_t, type, 10, 10); +ASSERT_OFFSET(event_t, clock.identifier, 16, 16); +ASSERT_OFFSET(event_t, condvar.condvar, 16, 16); +ASSERT_OFFSET(event_t, fd_readwrite.nbytes, 16, 16); +ASSERT_OFFSET(event_t, fd_readwrite.fd, 24, 24); +ASSERT_OFFSET(event_t, fd_readwrite.flags, 28, 28); +ASSERT_OFFSET(event_t, lock.lock, 16, 16); +ASSERT_OFFSET(event_t, proc_terminate.fd, 16, 16); +ASSERT_OFFSET(event_t, proc_terminate.signal, 20, 20); +ASSERT_OFFSET(event_t, proc_terminate.exitcode, 24, 24); +ASSERT_SIZE(event_t, 32, 32); + +typedef struct { + MEMBER(PTR(void)) iov_base; + MEMBER(IDENT(size_t)) iov_len; +} IDENT(iovec_t); +ASSERT_OFFSET(iovec_t, iov_base, 0, 0); +ASSERT_OFFSET(iovec_t, iov_len, 4, 8); +ASSERT_SIZE(iovec_t, 8, 16); + +typedef struct { + MEMBER(PTR(const IDENT(iovec_t))) ri_data; // Data I/O vectors. + MEMBER(IDENT(size_t)) ri_datalen; // Number of data I/O vectors. + MEMBER(PTR(cloudabi_fd_t)) ri_fds; // File descriptors. + MEMBER(IDENT(size_t)) ri_fdslen; // Number of file descriptors. + MEMBER(cloudabi_msgflags_t) ri_flags; // Input flags. +} IDENT(recv_in_t); +ASSERT_OFFSET(recv_in_t, ri_data, 0, 0); +ASSERT_OFFSET(recv_in_t, ri_datalen, 4, 8); +ASSERT_OFFSET(recv_in_t, ri_fds, 8, 16); +ASSERT_OFFSET(recv_in_t, ri_fdslen, 12, 24); +ASSERT_OFFSET(recv_in_t, ri_flags, 16, 32); +ASSERT_SIZE(recv_in_t, 20, 40); + +typedef struct { + MEMBER(IDENT(size_t)) ro_datalen; // Bytes of data received. + MEMBER(IDENT(size_t)) ro_fdslen; // Number of file descriptors received. + MEMBER(cloudabi_sockaddr_t) ro_sockname; // Address of receiver. + MEMBER(cloudabi_sockaddr_t) ro_peername; // Address of sender. + MEMBER(cloudabi_msgflags_t) ro_flags; // Output flags. +} IDENT(recv_out_t); +ASSERT_OFFSET(recv_out_t, ro_datalen, 0, 0); +ASSERT_OFFSET(recv_out_t, ro_fdslen, 4, 8); +ASSERT_OFFSET(recv_out_t, ro_sockname, 8, 16); +ASSERT_OFFSET(recv_out_t, ro_peername, 28, 36); +ASSERT_OFFSET(recv_out_t, ro_flags, 48, 56); +ASSERT_SIZE(recv_out_t, 52, 64); + +typedef struct { + MEMBER(PTR(const IDENT(ciovec_t))) si_data; // Data I/O vectors. + MEMBER(IDENT(size_t)) si_datalen; // Number of data I/O vectors. + MEMBER(PTR(const cloudabi_fd_t)) si_fds; // File descriptors. + MEMBER(IDENT(size_t)) si_fdslen; // Number of file descriptors. + MEMBER(cloudabi_msgflags_t) si_flags; // Input flags. +} IDENT(send_in_t); +ASSERT_OFFSET(send_in_t, si_data, 0, 0); +ASSERT_OFFSET(send_in_t, si_datalen, 4, 8); +ASSERT_OFFSET(send_in_t, si_fds, 8, 16); +ASSERT_OFFSET(send_in_t, si_fdslen, 12, 24); +ASSERT_OFFSET(send_in_t, si_flags, 16, 32); +ASSERT_SIZE(send_in_t, 20, 40); + +typedef struct { + MEMBER(IDENT(size_t)) so_datalen; // Bytes of data sent. +} IDENT(send_out_t); +ASSERT_OFFSET(send_out_t, so_datalen, 0, 0); +ASSERT_SIZE(send_out_t, 4, 8); + +typedef struct { + MEMBER(PTR(const void)) sd_arg; // Program argument data. + MEMBER(IDENT(size_t)) sd_arglen; // Program argument data size. + + MEMBER(PTR(void)) sd_elf_phdr; // ELF program header. + MEMBER(IDENT(size_t)) sd_elf_phdrlen; // ELF program header length. + + MEMBER(cloudabi_tid_t) sd_thread_id; // Thread ID. + MEMBER(uint64_t) sd_random_seed; // Random seed, used for SSP. + + MEMBER(uint32_t) sd_ncpus; // Number of CPUs. + MEMBER(uint32_t) sd_pagesize; // Page size. +} IDENT(startup_data_t); +ASSERT_OFFSET(startup_data_t, sd_arg, 0, 0); +ASSERT_OFFSET(startup_data_t, sd_arglen, 4, 8); +ASSERT_OFFSET(startup_data_t, sd_elf_phdr, 8, 16); +ASSERT_OFFSET(startup_data_t, sd_elf_phdrlen, 12, 24); +ASSERT_OFFSET(startup_data_t, sd_thread_id, 16, 32); +ASSERT_OFFSET(startup_data_t, sd_random_seed, 24, 40); +ASSERT_OFFSET(startup_data_t, sd_ncpus, 32, 48); +ASSERT_OFFSET(startup_data_t, sd_pagesize, 36, 52); +ASSERT_SIZE(startup_data_t, 40, 56); + +typedef struct { + MEMBER(cloudabi_userdata_t) userdata; + MEMBER(uint16_t) flags; + MEMBER(cloudabi_eventtype_t) type; + union { + // CLOUDABI_EVENTTYPE_CLOCK: Wait until the value of a clock + // exceeds a value. + struct { + MEMBER(cloudabi_userdata_t) identifier; + MEMBER(cloudabi_clockid_t) clock_id; + MEMBER(cloudabi_timestamp_t) timeout; + MEMBER(cloudabi_timestamp_t) precision; + } clock; + + // CLOUDABI_EVENTTYPE_CONDVAR: Release a lock and wait on a + // condition variable. + struct { + MEMBER(PTR(_Atomic(cloudabi_condvar_t))) condvar; + MEMBER(PTR(_Atomic(cloudabi_lock_t))) lock; + } condvar; + + // CLOUDABI_EVENTTYPE_FD_READ and CLOUDABI_EVENTTYPE_FD_WRITE: + // Wait for a file descriptor to allow read() and write() to be + // called without blocking. + struct { + MEMBER(cloudabi_fd_t) fd; + } fd_readwrite; + + // CLOUDABI_EVENT_LOCK_RDLOCK and CLOUDABI_EVENT_LOCK_WRLOCK: Wait + // and acquire a read or write lock. + struct { + MEMBER(PTR(_Atomic(cloudabi_lock_t))) lock; + } lock; + + // CLOUDABI_EVENTTYPE_PROC_TERMINATE: Wait for a process to terminate. + struct { + MEMBER(cloudabi_fd_t) fd; + } proc_terminate; + }; +} IDENT(subscription_t); +ASSERT_OFFSET(subscription_t, userdata, 0, 0); +ASSERT_OFFSET(subscription_t, flags, 8, 8); +ASSERT_OFFSET(subscription_t, type, 10, 10); +ASSERT_OFFSET(subscription_t, clock.identifier, 16, 16); +ASSERT_OFFSET(subscription_t, clock.clock_id, 24, 24); +ASSERT_OFFSET(subscription_t, clock.timeout, 32, 32); +ASSERT_OFFSET(subscription_t, clock.precision, 40, 40); +ASSERT_OFFSET(subscription_t, condvar.condvar, 16, 16); +ASSERT_OFFSET(subscription_t, condvar.lock, 20, 24); +ASSERT_OFFSET(subscription_t, fd_readwrite.fd, 16, 16); +ASSERT_OFFSET(subscription_t, lock.lock, 16, 16); +ASSERT_OFFSET(subscription_t, proc_terminate.fd, 16, 16); +ASSERT_SIZE(subscription_t, 48, 48); + +typedef struct { + MEMBER(PTR(IDENT(threadentry_t))) entry_point; // Entry point. + MEMBER(PTR(void)) stack; // Pointer to stack buffer. + MEMBER(IDENT(size_t)) stack_size; // Size of stack buffer. + MEMBER(PTR(void)) argument; // Argument to be passed to entry point. +} IDENT(threadattr_t); +ASSERT_OFFSET(threadattr_t, entry_point, 0, 0); +ASSERT_OFFSET(threadattr_t, stack, 4, 8); +ASSERT_OFFSET(threadattr_t, stack_size, 8, 16); +ASSERT_OFFSET(threadattr_t, argument, 12, 24); +ASSERT_SIZE(threadattr_t, 16, 32); + +#undef MEMBER +#undef ASSERT_OFFSET +#undef ASSERT_SIZE diff --git a/sys/contrib/cloudabi/syscalldefs_mi.h b/sys/contrib/cloudabi/syscalldefs_mi.h new file mode 100644 index 0000000..75d79f4 --- /dev/null +++ b/sys/contrib/cloudabi/syscalldefs_mi.h @@ -0,0 +1,457 @@ +// Copyright (c) 2015 Nuxi, https://nuxi.nl/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +// ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +// SUCH DAMAGE. + +#ifndef COMMON_SYSCALLDEFS_MI_H +#define COMMON_SYSCALLDEFS_MI_H + +// Machine independent definitions. + +// Socket address families. +#define CLOUDABI_AF_UNSPEC 0 +#define CLOUDABI_AF_INET 1 +#define CLOUDABI_AF_INET6 2 +#define CLOUDABI_AF_UNIX 3 + +// File and memory I/O advice. +#define CLOUDABI_ADVICE_DONTNEED 1 +#define CLOUDABI_ADVICE_NOREUSE 2 +#define CLOUDABI_ADVICE_NORMAL 3 +#define CLOUDABI_ADVICE_RANDOM 4 +#define CLOUDABI_ADVICE_SEQUENTIAL 5 +#define CLOUDABI_ADVICE_WILLNEED 6 + +// Clocks. +#define CLOUDABI_CLOCK_MONOTONIC 1 +#define CLOUDABI_CLOCK_PROCESS_CPUTIME_ID 2 +#define CLOUDABI_CLOCK_REALTIME 3 +#define CLOUDABI_CLOCK_THREAD_CPUTIME_ID 4 + +// Condition variables. +#define CLOUDABI_CONDVAR_HAS_NO_WAITERS 0 + +// The start of a directory, to be passed to readdir(). +#define CLOUDABI_DIRCOOKIE_START 0 + +// POSIX standard error numbers. +#define CLOUDABI_E2BIG 1 +#define CLOUDABI_EACCES 2 +#define CLOUDABI_EADDRINUSE 3 +#define CLOUDABI_EADDRNOTAVAIL 4 +#define CLOUDABI_EAFNOSUPPORT 5 +#define CLOUDABI_EAGAIN 6 +#define CLOUDABI_EALREADY 7 +#define CLOUDABI_EBADF 8 +#define CLOUDABI_EBADMSG 9 +#define CLOUDABI_EBUSY 10 +#define CLOUDABI_ECANCELED 11 +#define CLOUDABI_ECHILD 12 +#define CLOUDABI_ECONNABORTED 13 +#define CLOUDABI_ECONNREFUSED 14 +#define CLOUDABI_ECONNRESET 15 +#define CLOUDABI_EDEADLK 16 +#define CLOUDABI_EDESTADDRREQ 17 +#define CLOUDABI_EDOM 18 +#define CLOUDABI_EDQUOT 19 +#define CLOUDABI_EEXIST 20 +#define CLOUDABI_EFAULT 21 +#define CLOUDABI_EFBIG 22 +#define CLOUDABI_EHOSTUNREACH 23 +#define CLOUDABI_EIDRM 24 +#define CLOUDABI_EILSEQ 25 +#define CLOUDABI_EINPROGRESS 26 +#define CLOUDABI_EINTR 27 +#define CLOUDABI_EINVAL 28 +#define CLOUDABI_EIO 29 +#define CLOUDABI_EISCONN 30 +#define CLOUDABI_EISDIR 31 +#define CLOUDABI_ELOOP 32 +#define CLOUDABI_EMFILE 33 +#define CLOUDABI_EMLINK 34 +#define CLOUDABI_EMSGSIZE 35 +#define CLOUDABI_EMULTIHOP 36 +#define CLOUDABI_ENAMETOOLONG 37 +#define CLOUDABI_ENETDOWN 38 +#define CLOUDABI_ENETRESET 39 +#define CLOUDABI_ENETUNREACH 40 +#define CLOUDABI_ENFILE 41 +#define CLOUDABI_ENOBUFS 42 +#define CLOUDABI_ENODEV 43 +#define CLOUDABI_ENOENT 44 +#define CLOUDABI_ENOEXEC 45 +#define CLOUDABI_ENOLCK 46 +#define CLOUDABI_ENOLINK 47 +#define CLOUDABI_ENOMEM 48 +#define CLOUDABI_ENOMSG 49 +#define CLOUDABI_ENOPROTOOPT 50 +#define CLOUDABI_ENOSPC 51 +#define CLOUDABI_ENOSYS 52 +#define CLOUDABI_ENOTCONN 53 +#define CLOUDABI_ENOTDIR 54 +#define CLOUDABI_ENOTEMPTY 55 +#define CLOUDABI_ENOTRECOVERABLE 56 +#define CLOUDABI_ENOTSOCK 57 +#define CLOUDABI_ENOTSUP 58 +#define CLOUDABI_ENOTTY 59 +#define CLOUDABI_ENXIO 60 +#define CLOUDABI_EOVERFLOW 61 +#define CLOUDABI_EOWNERDEAD 62 +#define CLOUDABI_EPERM 63 +#define CLOUDABI_EPIPE 64 +#define CLOUDABI_EPROTO 65 +#define CLOUDABI_EPROTONOSUPPORT 66 +#define CLOUDABI_EPROTOTYPE 67 +#define CLOUDABI_ERANGE 68 +#define CLOUDABI_EROFS 69 +#define CLOUDABI_ESPIPE 70 +#define CLOUDABI_ESRCH 71 +#define CLOUDABI_ESTALE 72 +#define CLOUDABI_ETIMEDOUT 73 +#define CLOUDABI_ETXTBSY 74 +#define CLOUDABI_EXDEV 75 + +// Non-standard error numbers. +#define CLOUDABI_ENOTCAPABLE 76 + +#define CLOUDABI_EVENT_FD_READWRITE_HANGUP 0x1 + +// Filter types for cloudabi_eventtype_t. +#define CLOUDABI_EVENTTYPE_CLOCK 1 +#define CLOUDABI_EVENTTYPE_CONDVAR 2 +#define CLOUDABI_EVENTTYPE_FD_READ 3 +#define CLOUDABI_EVENTTYPE_FD_WRITE 4 +#define CLOUDABI_EVENTTYPE_LOCK_RDLOCK 5 +#define CLOUDABI_EVENTTYPE_LOCK_WRLOCK 6 +#define CLOUDABI_EVENTTYPE_PROC_TERMINATE 7 + +// File descriptor behavior flags. +#define CLOUDABI_FDFLAG_APPEND 0x1 +#define CLOUDABI_FDFLAG_DSYNC 0x2 +#define CLOUDABI_FDFLAG_NONBLOCK 0x4 +#define CLOUDABI_FDFLAG_RSYNC 0x8 +#define CLOUDABI_FDFLAG_SYNC 0x10 + +// fdstat_put() flags. +#define CLOUDABI_FDSTAT_FLAGS 0x1 +#define CLOUDABI_FDSTAT_RIGHTS 0x2 + +// filestat_put() flags. +#define CLOUDABI_FILESTAT_ATIM 0x1 +#define CLOUDABI_FILESTAT_ATIM_NOW 0x2 +#define CLOUDABI_FILESTAT_MTIM 0x4 +#define CLOUDABI_FILESTAT_MTIM_NOW 0x8 +#define CLOUDABI_FILESTAT_SIZE 0x10 + +// File types returned through struct stat::st_mode. +#define CLOUDABI_FILETYPE_UNKNOWN 0 +#define CLOUDABI_FILETYPE_BLOCK_DEVICE 0x10 +#define CLOUDABI_FILETYPE_CHARACTER_DEVICE 0x11 +#define CLOUDABI_FILETYPE_DIRECTORY 0x20 +#define CLOUDABI_FILETYPE_FIFO 0x30 +#define CLOUDABI_FILETYPE_POLL 0x40 +#define CLOUDABI_FILETYPE_PROCESS 0x50 +#define CLOUDABI_FILETYPE_REGULAR_FILE 0x60 +#define CLOUDABI_FILETYPE_SHARED_MEMORY 0x70 +#define CLOUDABI_FILETYPE_SOCKET_DGRAM 0x80 +#define CLOUDABI_FILETYPE_SOCKET_SEQPACKET 0x81 +#define CLOUDABI_FILETYPE_SOCKET_STREAM 0x82 +#define CLOUDABI_FILETYPE_SYMBOLIC_LINK 0x90 + +// Read-write lock related constants. +#define CLOUDABI_LOCK_UNLOCKED 0 // Lock is unlocked. +#define CLOUDABI_LOCK_WRLOCKED 0x40000000 // Lock is write locked. +#define CLOUDABI_LOCK_KERNEL_MANAGED 0x80000000 // Lock has waiters. +#define CLOUDABI_LOCK_BOGUS 0x80000000 // Lock is broken. + +// Lookup properties for *at() functions. +#define CLOUDABI_LOOKUP_SYMLINK_FOLLOW (UINT64_C(0x1) << 32) + +// Open flags for openat(), etc. +#define CLOUDABI_O_CREAT 0x1 +#define CLOUDABI_O_DIRECTORY 0x2 +#define CLOUDABI_O_EXCL 0x4 +#define CLOUDABI_O_TRUNC 0x8 + +// File descriptor passed to poll() to poll just once. +#define CLOUDABI_POLL_ONCE 0xffffffff + +// File descriptor returned to pdfork()'s child process. +#define CLOUDABI_PROCESS_CHILD 0xffffffff + +// mmap() map flags. +#define CLOUDABI_MAP_ANON 0x1 +#define CLOUDABI_MAP_FIXED 0x2 +#define CLOUDABI_MAP_PRIVATE 0x4 +#define CLOUDABI_MAP_SHARED 0x8 + +// msync() flags. +#define CLOUDABI_MS_ASYNC 0x1 +#define CLOUDABI_MS_INVALIDATE 0x2 +#define CLOUDABI_MS_SYNC 0x4 + +// send() and recv() flags. +#define CLOUDABI_MSG_CTRUNC 0x1 // Control data truncated. +#define CLOUDABI_MSG_EOR 0x2 // Terminates a record. +#define CLOUDABI_MSG_PEEK 0x4 // Leave received data in queue. +#define CLOUDABI_MSG_TRUNC 0x8 // Normal data truncated. +#define CLOUDABI_MSG_WAITALL 0x10 // Attempt to fill the read buffer. + +// mmap()/mprotect() protection flags. +#define CLOUDABI_PROT_EXEC 0x1 +#define CLOUDABI_PROT_WRITE 0x2 +#define CLOUDABI_PROT_READ 0x4 + +// File descriptor capabilities/rights. +#define CLOUDABI_RIGHT_BIT(bit) (UINT64_C(1) << (bit)) +#define CLOUDABI_RIGHT_FD_DATASYNC CLOUDABI_RIGHT_BIT(0) +#define CLOUDABI_RIGHT_FD_READ CLOUDABI_RIGHT_BIT(1) +#define CLOUDABI_RIGHT_FD_SEEK CLOUDABI_RIGHT_BIT(2) +#define CLOUDABI_RIGHT_FD_STAT_PUT_FLAGS CLOUDABI_RIGHT_BIT(3) +#define CLOUDABI_RIGHT_FD_SYNC CLOUDABI_RIGHT_BIT(4) +#define CLOUDABI_RIGHT_FD_TELL CLOUDABI_RIGHT_BIT(5) +#define CLOUDABI_RIGHT_FD_WRITE CLOUDABI_RIGHT_BIT(6) +#define CLOUDABI_RIGHT_FILE_ADVISE CLOUDABI_RIGHT_BIT(7) +#define CLOUDABI_RIGHT_FILE_ALLOCATE CLOUDABI_RIGHT_BIT(8) +#define CLOUDABI_RIGHT_FILE_CREATE_DIRECTORY CLOUDABI_RIGHT_BIT(9) +#define CLOUDABI_RIGHT_FILE_CREATE_FILE CLOUDABI_RIGHT_BIT(10) +#define CLOUDABI_RIGHT_FILE_CREATE_FIFO CLOUDABI_RIGHT_BIT(11) +#define CLOUDABI_RIGHT_FILE_LINK_SOURCE CLOUDABI_RIGHT_BIT(12) +#define CLOUDABI_RIGHT_FILE_LINK_TARGET CLOUDABI_RIGHT_BIT(13) +#define CLOUDABI_RIGHT_FILE_OPEN CLOUDABI_RIGHT_BIT(14) +#define CLOUDABI_RIGHT_FILE_READDIR CLOUDABI_RIGHT_BIT(15) +#define CLOUDABI_RIGHT_FILE_READLINK CLOUDABI_RIGHT_BIT(16) +#define CLOUDABI_RIGHT_FILE_RENAME_SOURCE CLOUDABI_RIGHT_BIT(17) +#define CLOUDABI_RIGHT_FILE_RENAME_TARGET CLOUDABI_RIGHT_BIT(18) +#define CLOUDABI_RIGHT_FILE_STAT_FGET CLOUDABI_RIGHT_BIT(19) +#define CLOUDABI_RIGHT_FILE_STAT_FPUT_SIZE CLOUDABI_RIGHT_BIT(20) +#define CLOUDABI_RIGHT_FILE_STAT_FPUT_TIMES CLOUDABI_RIGHT_BIT(21) +#define CLOUDABI_RIGHT_FILE_STAT_GET CLOUDABI_RIGHT_BIT(22) +#define CLOUDABI_RIGHT_FILE_STAT_PUT_TIMES CLOUDABI_RIGHT_BIT(23) +#define CLOUDABI_RIGHT_FILE_SYMLINK CLOUDABI_RIGHT_BIT(24) +#define CLOUDABI_RIGHT_FILE_UNLINK CLOUDABI_RIGHT_BIT(25) +#define CLOUDABI_RIGHT_MEM_MAP CLOUDABI_RIGHT_BIT(26) +#define CLOUDABI_RIGHT_MEM_MAP_EXEC CLOUDABI_RIGHT_BIT(27) +#define CLOUDABI_RIGHT_POLL_FD_READWRITE CLOUDABI_RIGHT_BIT(28) +#define CLOUDABI_RIGHT_POLL_MODIFY CLOUDABI_RIGHT_BIT(29) +#define CLOUDABI_RIGHT_POLL_PROC_TERMINATE CLOUDABI_RIGHT_BIT(30) +#define CLOUDABI_RIGHT_POLL_WAIT CLOUDABI_RIGHT_BIT(31) +#define CLOUDABI_RIGHT_PROC_EXEC CLOUDABI_RIGHT_BIT(32) +#define CLOUDABI_RIGHT_SOCK_ACCEPT CLOUDABI_RIGHT_BIT(33) +#define CLOUDABI_RIGHT_SOCK_BIND_DIRECTORY CLOUDABI_RIGHT_BIT(34) +#define CLOUDABI_RIGHT_SOCK_BIND_SOCKET CLOUDABI_RIGHT_BIT(35) +#define CLOUDABI_RIGHT_SOCK_CONNECT_DIRECTORY CLOUDABI_RIGHT_BIT(36) +#define CLOUDABI_RIGHT_SOCK_CONNECT_SOCKET CLOUDABI_RIGHT_BIT(37) +#define CLOUDABI_RIGHT_SOCK_LISTEN CLOUDABI_RIGHT_BIT(38) +#define CLOUDABI_RIGHT_SOCK_SHUTDOWN CLOUDABI_RIGHT_BIT(39) +#define CLOUDABI_RIGHT_SOCK_STAT_GET CLOUDABI_RIGHT_BIT(40) + +// Socket shutdown flags. +#define CLOUDABI_SHUT_RD 0x1 +#define CLOUDABI_SHUT_WR 0x2 + +// Signals. +#define CLOUDABI_SIGABRT 1 +#define CLOUDABI_SIGALRM 2 +#define CLOUDABI_SIGBUS 3 +#define CLOUDABI_SIGCHLD 4 +#define CLOUDABI_SIGCONT 5 +#define CLOUDABI_SIGFPE 6 +#define CLOUDABI_SIGHUP 7 +#define CLOUDABI_SIGILL 8 +#define CLOUDABI_SIGINT 9 +#define CLOUDABI_SIGKILL 10 +#define CLOUDABI_SIGPIPE 11 +#define CLOUDABI_SIGQUIT 12 +#define CLOUDABI_SIGSEGV 13 +#define CLOUDABI_SIGSTOP 14 +#define CLOUDABI_SIGSYS 15 +#define CLOUDABI_SIGTERM 16 +#define CLOUDABI_SIGTRAP 17 +#define CLOUDABI_SIGTSTP 18 +#define CLOUDABI_SIGTTIN 19 +#define CLOUDABI_SIGTTOU 20 +#define CLOUDABI_SIGURG 21 +#define CLOUDABI_SIGUSR1 22 +#define CLOUDABI_SIGUSR2 23 +#define CLOUDABI_SIGVTALRM 24 +#define CLOUDABI_SIGXCPU 25 +#define CLOUDABI_SIGXFSZ 26 + +// sockstat() flags. +#define CLOUDABI_SOCKSTAT_CLEAR_ERROR 0x1 + +// sockstat() state. +#define CLOUDABI_SOCKSTAT_ACCEPTCONN 0x1 + +// cloudabi_subscription_t flags. +#define CLOUDABI_SUBSCRIPTION_ADD 0x1 +#define CLOUDABI_SUBSCRIPTION_CLEAR 0x2 +#define CLOUDABI_SUBSCRIPTION_DELETE 0x4 +#define CLOUDABI_SUBSCRIPTION_DISABLE 0x8 +#define CLOUDABI_SUBSCRIPTION_ENABLE 0x10 +#define CLOUDABI_SUBSCRIPTION_ONESHOT 0x20 + +// unlinkat(). +#define CLOUDABI_UNLINK_REMOVEDIR 0x1 + +// Seeking. +#define CLOUDABI_WHENCE_CUR 1 +#define CLOUDABI_WHENCE_END 2 +#define CLOUDABI_WHENCE_SET 3 + +typedef uint8_t cloudabi_advice_t; // posix_fadvise() and posix_madvise(). +typedef uint32_t cloudabi_backlog_t; // listen(). +typedef uint32_t cloudabi_clockid_t; // clock_*(). +typedef uint32_t cloudabi_condvar_t; // pthread_cond_*(). +typedef uint64_t cloudabi_device_t; // struct stat::st_dev. +typedef uint64_t cloudabi_dircookie_t; // readdir(). +typedef uint16_t cloudabi_errno_t; // errno. +typedef uint8_t cloudabi_eventtype_t; // poll(). +typedef uint32_t cloudabi_exitcode_t; // _exit() and _Exit(). +typedef uint32_t cloudabi_fd_t; // File descriptors. +typedef uint16_t cloudabi_fdflags_t; // cloudabi_fdstat_t. +typedef uint16_t cloudabi_fdsflags_t; // fd_stat_put(). +typedef int64_t cloudabi_filedelta_t; // lseek(). +typedef uint64_t cloudabi_filesize_t; // ftruncate(), struct stat::st_size. +typedef uint8_t cloudabi_filetype_t; // struct stat::st_mode. +typedef uint16_t cloudabi_fsflags_t; // file_stat_put(). +typedef uint64_t cloudabi_inode_t; // struct stat::st_ino. +typedef uint32_t cloudabi_linkcount_t; // struct stat::st_nlink. +typedef uint32_t cloudabi_lock_t; // pthread_{mutex,rwlock}_*(). +typedef uint64_t cloudabi_lookup_t; // openat(), linkat(), etc. +typedef uint8_t cloudabi_mflags_t; // mmap(). +typedef uint8_t cloudabi_mprot_t; // mmap(). +typedef uint8_t cloudabi_msflags_t; // msync(). +typedef uint16_t cloudabi_msgflags_t; // send() and recv(). +typedef uint32_t cloudabi_nthreads_t; // pthread_cond_*(). +typedef uint16_t cloudabi_oflags_t; // openat(), etc. +typedef uint64_t cloudabi_rights_t; // File descriptor rights. +typedef uint8_t cloudabi_sa_family_t; // Socket address family. +typedef uint8_t cloudabi_sdflags_t; // shutdown(). +typedef uint8_t cloudabi_ssflags_t; // sockstat(). +typedef uint8_t cloudabi_signal_t; // raise(). +typedef uint32_t cloudabi_tid_t; // Thread ID. +typedef uint64_t cloudabi_timestamp_t; // clock_*(), struct stat::st_*tim. +typedef uint8_t cloudabi_ulflags_t; // unlinkat(). +typedef uint64_t cloudabi_userdata_t; // User-supplied data for callbacks. +typedef uint8_t cloudabi_whence_t; // lseek(). + +// Macro to force sane alignment rules. +// +// On x86-32 it is the case that 64-bit integers are 4-byte aligned when +// embedded in structs, even though they are 8-byte aligned when not +// embedded. Force 8-byte alignment explicitly. +#define MEMBER(type) alignas(alignof(type)) type +#define ASSERT_OFFSET(type, field, offset) \ + static_assert(offsetof(cloudabi_##type, field) == (offset), \ + "Offset incorrect") +#define ASSERT_SIZE(type, size) \ + static_assert(sizeof(cloudabi_##type) == (size), "Size incorrect") + +// Directory entries. +typedef struct { + MEMBER(cloudabi_dircookie_t) d_next; // Cookie of the next entry. + MEMBER(cloudabi_inode_t) d_ino; // Inode number of the current entry. + MEMBER(uint32_t) d_namlen; // Length of the name of the current entry. + MEMBER(cloudabi_filetype_t) d_type; // File type of the current entry. +} cloudabi_dirent_t; +ASSERT_OFFSET(dirent_t, d_next, 0); +ASSERT_OFFSET(dirent_t, d_ino, 8); +ASSERT_OFFSET(dirent_t, d_namlen, 16); +ASSERT_OFFSET(dirent_t, d_type, 20); +ASSERT_SIZE(dirent_t, 24); + +// File descriptor status. +typedef struct { + MEMBER(cloudabi_filetype_t) fs_filetype; // File descriptor type. + MEMBER(cloudabi_fdflags_t) fs_flags; // Non-blocking mode, etc. + MEMBER(cloudabi_rights_t) fs_rights_base; // Base rights. + MEMBER(cloudabi_rights_t) fs_rights_inheriting; // Inheriting rights. +} cloudabi_fdstat_t; +ASSERT_OFFSET(fdstat_t, fs_filetype, 0); +ASSERT_OFFSET(fdstat_t, fs_flags, 2); +ASSERT_OFFSET(fdstat_t, fs_rights_base, 8); +ASSERT_OFFSET(fdstat_t, fs_rights_inheriting, 16); +ASSERT_SIZE(fdstat_t, 24); + +// File status. +typedef struct { + MEMBER(cloudabi_device_t) st_dev; // Device storing the file. + MEMBER(cloudabi_inode_t) st_ino; // Inode of the file. + MEMBER(cloudabi_filetype_t) st_filetype; // File type. + MEMBER(cloudabi_linkcount_t) st_nlink; // Number of hardlinks. + MEMBER(cloudabi_filesize_t) st_size; // Size of the file. + MEMBER(cloudabi_timestamp_t) st_atim; // Access time. + MEMBER(cloudabi_timestamp_t) st_mtim; // Modification time. + MEMBER(cloudabi_timestamp_t) st_ctim; // Change time. +} cloudabi_filestat_t; +ASSERT_OFFSET(filestat_t, st_dev, 0); +ASSERT_OFFSET(filestat_t, st_ino, 8); +ASSERT_OFFSET(filestat_t, st_filetype, 16); +ASSERT_OFFSET(filestat_t, st_nlink, 20); +ASSERT_OFFSET(filestat_t, st_size, 24); +ASSERT_OFFSET(filestat_t, st_atim, 32); +ASSERT_OFFSET(filestat_t, st_mtim, 40); +ASSERT_OFFSET(filestat_t, st_ctim, 48); +ASSERT_SIZE(filestat_t, 56); + +typedef struct { + MEMBER(cloudabi_sa_family_t) sa_family; + union { + struct { + // IPv4 address and port number. + MEMBER(uint8_t) addr[4]; + MEMBER(uint16_t) port; + } sa_inet; + struct { + // IPv6 address and port number. + // TODO(ed): What about the flow info and scope ID? + MEMBER(uint8_t) addr[16]; + MEMBER(uint16_t) port; + } sa_inet6; + }; +} cloudabi_sockaddr_t; +ASSERT_OFFSET(sockaddr_t, sa_family, 0); +ASSERT_OFFSET(sockaddr_t, sa_inet.addr, 2); +ASSERT_OFFSET(sockaddr_t, sa_inet.port, 6); +ASSERT_OFFSET(sockaddr_t, sa_inet6.addr, 2); +ASSERT_OFFSET(sockaddr_t, sa_inet6.port, 18); +ASSERT_SIZE(sockaddr_t, 20); + +// Socket status. +typedef struct { + MEMBER(cloudabi_sockaddr_t) ss_sockname; // Socket address. + MEMBER(cloudabi_sockaddr_t) ss_peername; // Peer address. + MEMBER(cloudabi_errno_t) ss_error; // Current error state. + MEMBER(uint32_t) ss_state; // State flags. +} cloudabi_sockstat_t; +ASSERT_OFFSET(sockstat_t, ss_sockname, 0); +ASSERT_OFFSET(sockstat_t, ss_peername, 20); +ASSERT_OFFSET(sockstat_t, ss_error, 40); +ASSERT_OFFSET(sockstat_t, ss_state, 44); +ASSERT_SIZE(sockstat_t, 48); + +#undef MEMBER +#undef ASSERT_OFFSET +#undef ASSERT_SIZE + +#endif |
