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/*--- Basic Mach interface functions mach_basics.c ---*/
This file is part of Valgrind, a dynamic binary instrumentation
Copyright (C) 2005-2013 Apple Inc.
Greg Parker
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
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.
#if defined(VGO_darwin)
#include "pub_core_basics.h"
#include "pub_core_mach.h"
#include <mach/mach.h>
#include <mach/machine/ndr_def.h>
/* From mach_traps-<arch>-darwin.S */
//extern mach_port_name_t host_self_trap(void);
extern mach_port_name_t thread_self_trap(void);
extern mach_port_t mach_reply_port(void);
/* Global variables set in mach_init() */
vm_size_t vm_page_size = 0;
mach_port_name_t mach_task_self_ = 0;
mach_port_name_t mach_thread_self(void)
return thread_self_trap();
static mach_port_t reply = 0;
mach_port_t mig_get_reply_port(void)
if (!reply) reply = mach_reply_port();
return reply;
// GrP fixme is just one enough for valgrind's own use?
// might work if valgrind never blocks in mig calls on
// its own behalf, and doesn't call mig outside the semaphore
void mig_dealloc_reply_port(mach_port_t reply_port)
void mig_put_reply_port(mach_port_t reply_port)
/* Initialize Mach global data.
Should be called early in main(). */
void VG_(mach_init)(void)
reply = 0;
mach_task_self_ = task_self_trap();
// GrP fixme host_page_size(host_self_trap(), &vm_page_size);
vm_page_size = 4096;
#endif // defined(VGO_darwin)
/*--- end ---*/