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1998-11-18 23:53:22 +00:00
parent fe5f829f99
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52
mozilla/nsprpub/config/NEXTSTEP.mk Normal file
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#
# The contents of this file are subject to the Netscape Public License
# Version 1.0 (the "NPL"); you may not use this file except in
# compliance with the NPL. You may obtain a copy of the NPL at
# http://www.mozilla.org/NPL/
#
# Software distributed under the NPL is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
# for the specific language governing rights and limitations under the
# NPL.
#
# The Initial Developer of this code under the NPL is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All Rights
# Reserved.
#
#
# Config stuff for NEXTSTEP
#
include $(MOD_DEPTH)/config/UNIX.mk
CC = cc
CCC = cc++
RANLIB = ranlib
OS_REL_CFLAGS = -D$(shell uname -p)
CPU_ARCH := $(shell uname -p)
# "Commons" are tentative definitions in a global scope, like this:
# int x;
# The meaning of a common is ambiguous. It may be a true definition:
# int x = 0;
# or it may be a declaration of a symbol defined in another file:
# extern int x;
# Use the -fno-common option to force all commons to become true
# definitions so that the linker can catch multiply-defined symbols.
# Also, common symbols are not allowed with Rhapsody dynamic libraries.
OS_CFLAGS = $(DSO_CFLAGS) $(OS_REL_CFLAGS) -Wall -fno-common -pipe -DNEXTSTEP -DHAVE_STRERROR -DHAVE_BSD_FLOCK -D_POSIX_SOURCE -traditional-cpp -posix
DEFINES += -D_PR_LOCAL_THREADS_ONLY -D_PR_NEED_FAKE_POLL
ARCH = $(CPU_ARCH)
# May override this with -bundle to create a loadable module.
#DSO_LDOPTS = -dynamiclib
#MKSHLIB = $(CC) -arch $(CPU_ARCH) $(DSO_LDOPTS)
DLL_SUFFIX = dylib

236
mozilla/nsprpub/pr/include/md/_nextstep.cfg Normal file
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nspr_cpucfg___
#define nspr_cpucfg___
#ifndef XP_UNIX
#define XP_UNIX
#endif
#ifndef NEXTSTEP
#define NEXTSTEP
#endif
/* Platform specific
*/
#if defined(__sparc__)
/* Check these
*/
#undef IS_LITTLE_ENDIAN
#define IS_BIG_ENDIAN 1
#define HAVE_LONG_LONG
#undef HAVE_ALIGNED_DOUBLES
#define HAVE_ALIGNED_LONGLONGS 1
#define PR_BYTES_PER_BYTE 1
#define PR_BYTES_PER_SHORT 2
#define PR_BYTES_PER_INT 4
#define PR_BYTES_PER_INT64 8
#define PR_BYTES_PER_LONG 4
#define PR_BYTES_PER_FLOAT 4
#define PR_BYTES_PER_DOUBLE 8
/* Taken from _solaris.cfg
*/
#define PR_BYTES_PER_WORD 4
#define PR_BYTES_PER_DWORD 8
#define PR_BYTES_PER_WORD_LOG2 2
#define PR_BYTES_PER_DWORD_LOG2 3
#define PR_BITS_PER_BYTE 8
#define PR_BITS_PER_SHORT 16
#define PR_BITS_PER_INT 32
#define PR_BITS_PER_INT64 64
#define PR_BITS_PER_LONG 32
#define PR_BITS_PER_FLOAT 32
#define PR_BITS_PER_DOUBLE 64
/* Taken from _solaris.cfg
*/
#define PR_BITS_PER_WORD 32
#define PR_BITS_PER_BYTE_LOG2 3
#define PR_BITS_PER_SHORT_LOG2 4
#define PR_BITS_PER_INT_LOG2 5
#define PR_BITS_PER_INT64_LOG2 6
#define PR_BITS_PER_LONG_LOG2 5
#define PR_BITS_PER_FLOAT_LOG2 5
#define PR_BITS_PER_DOUBLE_LOG2 6
/* Taken from _solaris.cfg
*/
#define PR_BITS_PER_WORD_LOG2 5
#define PR_ALIGN_OF_SHORT 2
#define PR_ALIGN_OF_INT 4
#define PR_ALIGN_OF_LONG 4
#define PR_ALIGN_OF_INT64 8
#define PR_ALIGN_OF_FLOAT 4
#define PR_ALIGN_OF_DOUBLE 8
#define PR_ALIGN_OF_POINTER 4
#define PR_WORDS_PER_DWORD_LOG2 1
#elif defined(__m68k__)
/* Check these
*/
#undef IS_LITTLE_ENDIAN
#define IS_BIG_ENDIAN 1
#define HAVE_LONG_LONG
#undef HAVE_ALIGNED_DOUBLES
#define HAVE_ALIGNED_LONGLONGS 1
#define PR_BYTES_PER_BYTE 1
#define PR_BYTES_PER_SHORT 2
#define PR_BYTES_PER_INT 4
#define PR_BYTES_PER_INT64 8
#define PR_BYTES_PER_LONG 4
#define PR_BYTES_PER_FLOAT 4
#define PR_BYTES_PER_DOUBLE 8
#define PR_BYTES_PER_WORD 4
#define PR_BYTES_PER_DWORD 8
#define PR_BYTES_PER_WORD_LOG2 2
#define PR_BYTES_PER_DWORD_LOG2 3
#define PR_BITS_PER_BYTE 8
#define PR_BITS_PER_SHORT 16
#define PR_BITS_PER_INT 32
#define PR_BITS_PER_INT64 64
#define PR_BITS_PER_LONG 32
#define PR_BITS_PER_FLOAT 32
#define PR_BITS_PER_DOUBLE 64
#define PR_BITS_PER_WORD 32
#define PR_BITS_PER_BYTE_LOG2 3
#define PR_BITS_PER_SHORT_LOG2 4
#define PR_BITS_PER_INT_LOG2 5
#define PR_BITS_PER_INT64_LOG2 6
#define PR_BITS_PER_LONG_LOG2 5
#define PR_BITS_PER_FLOAT_LOG2 5
#define PR_BITS_PER_DOUBLE_LOG2 6
#define PR_BITS_PER_WORD_LOG2 5
#define PR_ALIGN_OF_SHORT 2
#define PR_ALIGN_OF_INT 2
#define PR_ALIGN_OF_LONG 2
#define PR_ALIGN_OF_INT64 2
#define PR_ALIGN_OF_FLOAT 2
#define PR_ALIGN_OF_DOUBLE 2
#define PR_ALIGN_OF_POINTER 2
#define PR_WORDS_PER_DWORD_LOG2 1
#elif defined(__i386__)
/* Check these
*/
#define IS_LITTLE_ENDIAN 1
#undef IS_BIG_ENDIAN
#define HAVE_LONG_LONG
#undef HAVE_ALIGNED_DOUBLES
#define HAVE_ALIGNED_LONGLONGS 1
#define PR_BYTES_PER_BYTE 1
#define PR_BYTES_PER_SHORT 2
#define PR_BYTES_PER_INT 4
#define PR_BYTES_PER_INT64 8
#define PR_BYTES_PER_LONG 4
#define PR_BYTES_PER_FLOAT 4
#define PR_BYTES_PER_DOUBLE 8
#define PR_BYTES_PER_WORD 4
#define PR_BYTES_PER_DWORD 8
#define PR_BITS_PER_BYTE 8
#define PR_BITS_PER_SHORT 16
#define PR_BITS_PER_INT 32
#define PR_BITS_PER_INT64 64
#define PR_BITS_PER_LONG 32
#define PR_BITS_PER_FLOAT 32
#define PR_BITS_PER_DOUBLE 64
#define PR_BITS_PER_WORD 32
#define PR_BITS_PER_BYTE_LOG2 3
#define PR_BITS_PER_SHORT_LOG2 4
#define PR_BITS_PER_INT_LOG2 5
#define PR_BITS_PER_INT64_LOG2 6
#define PR_BITS_PER_LONG_LOG2 5
#define PR_BITS_PER_FLOAT_LOG2 5
#define PR_BITS_PER_DOUBLE_LOG2 6
#define PR_BITS_PER_WORD_LOG2 5
#define PR_ALIGN_OF_SHORT 2
#define PR_ALIGN_OF_INT 4
#define PR_ALIGN_OF_LONG 4
#define PR_ALIGN_OF_INT64 4
#define PR_ALIGN_OF_FLOAT 4
#define PR_ALIGN_OF_DOUBLE 4
#define PR_ALIGN_OF_POINTER 4
#define PR_ALIGN_OF_WORD 4
#define PR_BYTES_PER_WORD_LOG2 2
#define PR_BYTES_PER_DWORD_LOG2 3
#define PR_WORDS_PER_DWORD_LOG2 1
#endif /* defined(__somearch__) */
#ifndef NO_NSPR_10_SUPPORT
#define BYTES_PER_BYTE PR_BYTES_PER_BYTE
#define BYTES_PER_SHORT PR_BYTES_PER_SHORT
#define BYTES_PER_INT PR_BYTES_PER_INT
#define BYTES_PER_INT64 PR_BYTES_PER_INT64
#define BYTES_PER_LONG PR_BYTES_PER_LONG
#define BYTES_PER_FLOAT PR_BYTES_PER_FLOAT
#define BYTES_PER_DOUBLE PR_BYTES_PER_DOUBLE
#define BYTES_PER_WORD PR_BYTES_PER_WORD
#define BYTES_PER_DWORD PR_BYTES_PER_DWORD
#define BITS_PER_BYTE PR_BITS_PER_BYTE
#define BITS_PER_SHORT PR_BITS_PER_SHORT
#define BITS_PER_INT PR_BITS_PER_INT
#define BITS_PER_INT64 PR_BITS_PER_INT64
#define BITS_PER_LONG PR_BITS_PER_LONG
#define BITS_PER_FLOAT PR_BITS_PER_FLOAT
#define BITS_PER_DOUBLE PR_BITS_PER_DOUBLE
#define BITS_PER_WORD PR_BITS_PER_WORD
#define BITS_PER_BYTE_LOG2 PR_BITS_PER_BYTE_LOG2
#define BITS_PER_SHORT_LOG2 PR_BITS_PER_SHORT_LOG2
#define BITS_PER_INT_LOG2 PR_BITS_PER_INT_LOG2
#define BITS_PER_INT64_LOG2 PR_BITS_PER_INT64_LOG2
#define BITS_PER_LONG_LOG2 PR_BITS_PER_LONG_LOG2
#define BITS_PER_FLOAT_LOG2 PR_BITS_PER_FLOAT_LOG2
#define BITS_PER_DOUBLE_LOG2 PR_BITS_PER_DOUBLE_LOG2
#define BITS_PER_WORD_LOG2 PR_BITS_PER_WORD_LOG2
#define ALIGN_OF_SHORT PR_ALIGN_OF_SHORT
#define ALIGN_OF_INT PR_ALIGN_OF_INT
#define ALIGN_OF_LONG PR_ALIGN_OF_LONG
#define ALIGN_OF_INT64 PR_ALIGN_OF_INT64
#define ALIGN_OF_FLOAT PR_ALIGN_OF_FLOAT
#define ALIGN_OF_DOUBLE PR_ALIGN_OF_DOUBLE
#define ALIGN_OF_POINTER PR_ALIGN_OF_POINTER
#define ALIGN_OF_WORD PR_ALIGN_OF_WORD
#define BYTES_PER_WORD_LOG2 PR_BYTES_PER_WORD_LOG2
#define BYTES_PER_DWORD_LOG2 PR_BYTES_PER_DWORD_LOG2
#define WORDS_PER_DWORD_LOG2 PR_WORDS_PER_DWORD_LOG2
#endif /* NO_NSPR_10_SUPPORT */
#endif /* nspr_cpucfg___ */

284
mozilla/nsprpub/pr/include/md/_nextstep.h Normal file
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nspr_nextstep_defs_h___
#define nspr_nextstep_defs_h___
#include "prthread.h"
#include <bsd/libc.h>
#include <bsd/syscall.h>
/* syscall() is not declared in NEXTSTEP's syscall.h ...
*/
extern int syscall(int number, ...);
/*
* Internal configuration macros
*/
#define PR_LINKER_ARCH "nextstep"
#define _PR_SI_SYSNAME "NEXTSTEP"
#if defined(__sparc__)
#define _PR_SI_ARCHITECTURE "sparc"
#elif defined(__m68k__)
#define _PR_SI_ARCHITECTURE "m68k"
#elif defined(__i386__)
#define _PR_SI_ARCHITECTURE "x86"
#else
error Unknown NEXTSTEP architecture
#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_WEAK_MALLOC_SYMBOLS
/* do this until I figure out the rhapsody dll stuff. */
#define HAVE_DLL
#define USE_RLD
#define _PR_HAVE_SOCKADDR_LEN
#define _PR_STAT_HAS_ONLY_ST_ATIME
#define _PR_NO_LARGE_FILES
#define USE_SETJMP
#ifndef _PR_PTHREADS
#include <setjmp.h>
#define PR_CONTEXT_TYPE jmp_buf
#define CONTEXT(_th) ((_th)->md.context)
/* balazs.pataki@sztaki.hu:
** __sparc__ is checked
** __m68k__ is checked
** __i386__ is a guess (one of the two defines should work)
*/
#if defined(__sparc__)
#define _MD_GET_SP(_th) (_th)->md.context[2]
#elif defined(__m68k__)
#define _MD_GET_SP(_th) (_th)->md.context[2]
#elif defined(__i386__)
/* One of this two must be OK ... try using sc_onstack
*/
#define _MD_GET_SP(_th) (((struct sigcontext *) (_th)->md.context)->sc_onstack)
//#define _MD_GET_SP(_th) (_th)->md.context[0].sc_esp
#else
error Unknown NEXTSTEP architecture
#endif
#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 (setjmp(CONTEXT(_thread))) { \
_main(); \
} \
_MD_GET_SP(_thread) = (int) ((_sp) - 64); \
}
#define _MD_SWITCH_CONTEXT(_thread) \
if (!setjmp(CONTEXT(_thread))) { \
(_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); \
longjmp(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()
extern PRStatus _MD_InitializeThread(PRThread *thread);
#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)
extern PRStatus _MD_CREATE_THREAD(
PRThread *thread,
void (*start) (void *),
PRThreadPriority priority,
PRThreadScope scope,
PRThreadState state,
PRUint32 stackSize);
extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri);
extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout);
extern PRStatus _MD_WAKEUP_WAITER(PRThread *);
extern void _MD_YIELD(void);
#endif /* ! _PR_PTHREADS */
extern void _MD_EarlyInit(void);
extern PRIntervalTime _PR_UNIX_GetInterval(void);
extern PRIntervalTime _PR_UNIX_TicksPerSecond(void);
#define _MD_EARLY_INIT _MD_EarlyInit
#define _MD_FINAL_INIT _PR_UnixInit
#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
/*
* 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)
/* For writev() */
#include <sys/uio.h>
/* signal.h */
/* balazs.pataki@sztaki.hu: this is stolen from sunos4.h. The things is that
** NEXTSTEP doesn't support these flags for `struct sigaction's sa_flags, so
** I have to fake them ...
*/
#define SA_RESTART 0
/* mmap */
/* balazs.pataki@sztaki.hu: NEXTSTEP doesn't have mmap, at least not
** publically. We have sys/mman.h, but it doesn't declare mmap(), and
** PROT_NONE is also missing. syscall.h has entries for mmap, munmap, and
** mprotect so I wrap these in nextstep.c as mmap(), munmap() and mprotect()
** and pray for it to work.
**
*/
#define PROT_NONE 0x0
caddr_t mmap(caddr_t addr, size_t len, int prot, int flags,
int fildes, off_t off);
int munmap(caddr_t addr, size_t len);
int mprotect(caddr_t addr, size_t len, int prot);
/* my_mmap() is implemented in nextstep.c and is based on map_fd() of mach.
*/
caddr_t my_mmap(caddr_t addr, size_t len, int prot, int flags,
int fildes, off_t off);
int my_munmap(caddr_t addr, size_t len);
/* string.h
*/
/* balazs.pataki@sztaki.hu: this is missing so implemenetd in nextstep.c ...
*/
char *strdup(const char *s1);
/* unistd.h
*/
/* balazs.pataki@sztaki.hu: these functions are hidden, though correctly
** implemented in NEXTSTEP. Here I give the declaration for them to be used
** by prmalloc.c, and I have a wrapped syscall() version of them in nextstep.c
*/
int brk(void *endds);
void *sbrk(int incr);
#endif /* nspr_nextstep_defs_h___ */

265
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "primpl.h"
#import <mach/mach.h>
#import <mach/mach_error.h>
#import <mach-o/dyld.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <syscall.h>
/* These functions are hidden in NEXTSTEP, but beacuse they have syscall()
** entries I can wrap these into their corresponding missing function.
*/
caddr_t
mmap(caddr_t addr, size_t len, int prot, int flags,
int fildes, off_t off)
{
return (caddr_t) syscall (SYS_mmap, addr, len, prot, flags, fildes, off);
}
int
munmap(caddr_t addr, size_t len)
{
return syscall (SYS_munmap, addr, len);
}
int
mprotect(caddr_t addr, size_t len, int prot)
{
return syscall (SYS_mprotect, addr, len, prot);
}
/* If found the brk() symbol in the sahred libraries but no syscall() entry ...
** I don't know whether it will work ...
int brk(void *endds)
{
return syscall ();
}
*/
void *sbrk(int incr)
{
return (void *) syscall (SYS_sbrk, incr);
}
/* These are my mach based versions, untested and probably bad ...
*/
caddr_t my_mmap(caddr_t addr, size_t len, int prot, int flags,
int fildes, off_t off)
{
kern_return_t ret_val;
/* First map ...
*/
ret_val = map_fd ( fildes, /* fd */
(vm_offset_t) off, /* offset */
(vm_offset_t*)&addr, /* address */
TRUE, /* find_space */
(vm_size_t) len); /* size */
if (ret_val != KERN_SUCCESS) {
mach_error("Error calling map_fd() in mmap", ret_val );
return (caddr_t)0;
}
/* ... then protect (this is probably bad)
*/
ret_val = vm_protect( task_self(), /* target_task */
(vm_address_t)addr, /* address */
(vm_size_t) len, /* size */
FALSE, /* set_maximum */
(vm_prot_t) prot); /* new_protection */
if (ret_val != KERN_SUCCESS) {
mach_error("vm_protect in mmap()", ret_val );
return (caddr_t)0;
}
return addr;
}
int my_munmap(caddr_t addr, size_t len)
{
kern_return_t ret_val;
ret_val = vm_deallocate(task_self(),
(vm_address_t) addr,
(vm_size_t) len);
if (ret_val != KERN_SUCCESS) {
mach_error("vm_deallocate in munmap()", ret_val);
return -1;
}
return 0;
}
int my_mprotect(caddr_t addr, size_t len, int prot)
{
vm_prot_t mach_prot;
kern_return_t ret_val;
switch (prot) {
case PROT_READ: mach_prot = VM_PROT_READ; break;
case PROT_WRITE: mach_prot = VM_PROT_WRITE; break;
case PROT_EXEC: mach_prot = VM_PROT_EXECUTE; break;
case PROT_NONE: mach_prot = VM_PROT_NONE; break;
}
ret_val = vm_protect(task_self(), /* target_task */
(vm_address_t)addr, /* address */
(vm_size_t) len, /* size */
FALSE, /* set_maximum */
(vm_prot_t) prot); /* new_protection */
if (ret_val != KERN_SUCCESS) {
mach_error("vm_protect in mprotect()", ret_val);
return -1;
}
return 0;
}
char *strdup(const char *s1)
{
int len = strlen (s1);
char *copy = (char*) malloc (len+1);
if (copy == (char*)0)
return (char*)0;
strcpy (copy, s1);
return copy;
}
/* Stub rld functions
*/
extern NSObjectFileImageReturnCode NSCreateObjectFileImageFromFile(
const char *pathName,
NSObjectFileImage *objectFileImage)
{
return NSObjectFileImageFailure;
}
extern void * NSAddressOfSymbol(
NSSymbol symbol)
{
return NULL;
}
extern NSModule NSLinkModule(
NSObjectFileImage objectFileImage,
const char *moduleName, /* can be NULL */
enum bool bindNow)
{
return NULL;
}
extern NSSymbol NSLookupAndBindSymbol(
const char *symbolName)
{
return NULL;
}
extern enum bool NSUnLinkModule(
NSModule module,
enum bool keepMemoryMapped)
{
return 0;
}
void _MD_EarlyInit(void)
{
}
PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
{
#ifndef _PR_PTHREADS
if (isCurrent) {
(void) sigsetjmp(CONTEXT(t), 1);
}
*np = sizeof(CONTEXT(t)) / sizeof(PRWord);
return (PRWord *) CONTEXT(t);
#else
*np = 0;
return NULL;
#endif
}
#ifndef _PR_PTHREADS
void
_MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri)
{
return;
}
PRStatus
_MD_InitializeThread(PRThread *thread)
{
return PR_SUCCESS;
}
PRStatus
_MD_WAIT(PRThread *thread, PRIntervalTime ticks)
{
PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
_PR_MD_SWITCH_CONTEXT(thread);
return PR_SUCCESS;
}
PRStatus
_MD_WAKEUP_WAITER(PRThread *thread)
{
if (thread) {
PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
}
return PR_SUCCESS;
}
/* These functions should not be called for NEXTSTEP */
void
_MD_YIELD(void)
{
PR_NOT_REACHED("_MD_YIELD should not be called for NEXTSTEP.");
}
PRStatus
_MD_CREATE_THREAD(
PRThread *thread,
void (*start) (void *),
PRThreadPriority priority,
PRThreadScope scope,
PRThreadState state,
PRUint32 stackSize)
{
PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for NEXTSTEP.");
return PR_FAILURE;
}
#endif