1 2 /*--------------------------------------------------------------------*/ 3 /*--- Basic Mach interface functions mach_basics.c ---*/ 4 /*--------------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2005-2015 Apple Inc. 11 Greg Parker gparker (at) apple.com 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 26 02111-1307, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29 */ 30 31 #if defined(VGO_darwin) 32 33 #include "pub_core_basics.h" 34 #include "pub_core_mach.h" 35 36 #include <mach/mach.h> 37 #include <mach/machine/ndr_def.h> 38 39 /* From mach_traps-<arch>-darwin.S */ 40 //extern mach_port_name_t host_self_trap(void); 41 extern mach_port_name_t thread_self_trap(void); 42 extern mach_port_t mach_reply_port(void); 43 44 /* Global variables set in mach_init() */ 45 vm_size_t vm_page_size = 0; 46 mach_port_name_t mach_task_self_ = 0; 47 48 49 mach_port_name_t mach_thread_self(void) 50 { 51 return thread_self_trap(); 52 } 53 54 static mach_port_t reply = 0; 55 56 mach_port_t mig_get_reply_port(void) 57 { 58 if (!reply) reply = mach_reply_port(); 59 return reply; 60 // GrP fixme is just one enough for valgrind's own use? 61 // might work if valgrind never blocks in mig calls on 62 // its own behalf, and doesn't call mig outside the semaphore 63 } 64 65 66 void mig_dealloc_reply_port(mach_port_t reply_port) 67 { 68 } 69 70 71 void mig_put_reply_port(mach_port_t reply_port) 72 { 73 } 74 75 76 /* Initialize Mach global data. 77 Should be called early in main(). */ 78 void VG_(mach_init)(void) 79 { 80 reply = 0; 81 mach_task_self_ = task_self_trap(); 82 83 // GrP fixme host_page_size(host_self_trap(), &vm_page_size); 84 vm_page_size = 4096; 85 } 86 87 #endif // defined(VGO_darwin) 88 89 /*--------------------------------------------------------------------*/ 90 /*--- end ---*/ 91 /*--------------------------------------------------------------------*/ 92
