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Diffstat (limited to 'nsprpub/pr/include/md/_openbsd.h')
| -rw-r--r-- | nsprpub/pr/include/md/_openbsd.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/nsprpub/pr/include/md/_openbsd.h b/nsprpub/pr/include/md/_openbsd.h new file mode 100644 index 000000000..666c177e3 --- /dev/null +++ b/nsprpub/pr/include/md/_openbsd.h @@ -0,0 +1,209 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nspr_openbsd_defs_h___ +#define nspr_openbsd_defs_h___ + +#include <sys/syscall.h> + +#define PR_LINKER_ARCH "openbsd" +#define _PR_SI_SYSNAME "OPENBSD" +#if defined(__i386__) +#define _PR_SI_ARCHITECTURE "x86" +#elif defined(__alpha__) +#define _PR_SI_ARCHITECTURE "alpha" +#elif defined(__amd64__) +#define _PR_SI_ARCHITECTURE "amd64" +#elif defined(__m68k__) +#define _PR_SI_ARCHITECTURE "m68k" +#elif defined(__powerpc__) +#define _PR_SI_ARCHITECTURE "powerpc" +#elif defined(__sparc__) +#define _PR_SI_ARCHITECTURE "sparc" +#elif defined(__arm__) +#define _PR_SI_ARCHITECTURE "arm" +#endif + +#define PR_DLL_SUFFIX ".so" + +#define _PR_VMBASE 0x30000000 +#define _PR_STACK_VMBASE 0x50000000 +#define _MD_DEFAULT_STACK_SIZE 65536L +#define _MD_MMAP_FLAGS MAP_PRIVATE + +#undef HAVE_STACK_GROWING_UP +#define HAVE_DLL +#define USE_DLFCN +#define _PR_HAVE_SOCKADDR_LEN +#define _PR_HAVE_LARGE_OFF_T +#define _PR_STAT_HAS_ST_ATIMESPEC +#define _PR_POLL_AVAILABLE +#define _PR_USE_POLL +#define _PR_HAVE_SYSV_SEMAPHORES +#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY + +#define _PR_INET6 +#define _PR_HAVE_INET_NTOP +#define _PR_HAVE_GETHOSTBYNAME2 +#define _PR_HAVE_GETADDRINFO +#define _PR_INET6_PROBE + +#define USE_SETJMP + +#ifndef _PR_PTHREADS +#include <setjmp.h> + +#define PR_CONTEXT_TYPE sigjmp_buf + +#define CONTEXT(_th) ((_th)->md.context) + +#if defined(__i386__) || defined(__sparc__) || defined(__m68k__) +#define JB_SP_INDEX 2 +#elif defined(__powerpc__) +#define JB_SP_INDEX 1 +#elif defined(__alpha__) +#define JB_SP_INDEX 34 +#elif defined(__amd64__) +#define JB_SP_INDEX 6 +#elif defined(__arm__) +#define JB_SP_INDEX 23 +#else +#error "Need to define SP index in jmp_buf here" +#endif +#define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX] + +#define PR_NUM_GCREGS _JBLEN + +/* +** Initialize a thread context to run "_main()" when started +*/ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + *status = PR_TRUE; \ + if (sigsetjmp(CONTEXT(_thread), 1)) { \ + _main(); \ + } \ + _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ +} + +#define _MD_SWITCH_CONTEXT(_thread) \ + if (!sigsetjmp(CONTEXT(_thread), 1)) { \ + (_thread)->md.errcode = errno; \ + _PR_Schedule(); \ + } + +/* +** Restore a thread context, saved by _MD_SWITCH_CONTEXT +*/ +#define _MD_RESTORE_CONTEXT(_thread) \ +{ \ + errno = (_thread)->md.errcode; \ + _MD_SET_CURRENT_THREAD(_thread); \ + siglongjmp(CONTEXT(_thread), 1); \ +} + +/* Machine-dependent (MD) data structures */ + +struct _MDThread { + PR_CONTEXT_TYPE context; + int id; + int errcode; +}; + +struct _MDThreadStack { + PRInt8 notused; +}; + +struct _MDLock { + PRInt8 notused; +}; + +struct _MDSemaphore { + PRInt8 notused; +}; + +struct _MDCVar { + PRInt8 notused; +}; + +struct _MDSegment { + PRInt8 notused; +}; + +/* + * md-specific cpu structure field + */ +#define _PR_MD_MAX_OSFD FD_SETSIZE + +struct _MDCPU_Unix { + PRCList ioQ; + PRUint32 ioq_timeout; + PRInt32 ioq_max_osfd; + PRInt32 ioq_osfd_cnt; +#ifndef _PR_USE_POLL + fd_set fd_read_set, fd_write_set, fd_exception_set; + PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], + fd_exception_cnt[_PR_MD_MAX_OSFD]; +#else + struct pollfd *ioq_pollfds; + int ioq_pollfds_size; +#endif /* _PR_USE_POLL */ +}; + +#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) +#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) +#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) +#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) +#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) +#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) +#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) +#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) +#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) +#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) +#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) +#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) +#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) + +#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 + +struct _MDCPU { + struct _MDCPU_Unix md_unix; +}; + +#define _MD_INIT_LOCKS() +#define _MD_NEW_LOCK(lock) PR_SUCCESS +#define _MD_FREE_LOCK(lock) +#define _MD_LOCK(lock) +#define _MD_UNLOCK(lock) +#define _MD_INIT_IO() +#define _MD_IOQ_LOCK() +#define _MD_IOQ_UNLOCK() + +#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) +#define _MD_INIT_THREAD _MD_InitializeThread +#define _MD_EXIT_THREAD(thread) +#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread +#define _MD_RESUME_THREAD(thread) _MD_resume_thread +#define _MD_CLEAN_THREAD(_thread) + +#endif /* ! _PR_PTHREADS */ + +#define _MD_EARLY_INIT _MD_EarlyInit +#define _MD_FINAL_INIT _PR_UnixInit +#define _PR_HAVE_CLOCK_MONOTONIC + +/* + * We wrapped the select() call. _MD_SELECT refers to the built-in, + * unwrapped version. + */ +#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) +#include <poll.h> +#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) + +#if OpenBSD1_3 == 1L +typedef unsigned int nfds_t; +#endif + +#endif /* nspr_openbsd_defs_h___ */ |