1 /*--------------------------------------------------------------------*/ 2 /*--- Basic Mach traps. mach_traps-x86-darwin.S ---*/ 3 /*--------------------------------------------------------------------*/ 4 5 /* 6 This file is part of Valgrind, a dynamic binary instrumentation 7 framework. 8 9 Copyright (C) 2006-2015 Apple Inc. 10 Greg Parker gparker (at) apple.com 11 12 This program is free software; you can redistribute it and/or 13 modify it under the terms of the GNU General Public License as 14 published by the Free Software Foundation; either version 2 of the 15 License, or (at your option) any later version. 16 17 This program is distributed in the hope that it will be useful, but 18 WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 General Public License for more details. 21 22 You should have received a copy of the GNU General Public License 23 along with this program; if not, write to the Free Software 24 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 25 02111-1307, USA. 26 27 The GNU General Public License is contained in the file COPYING. 28 */ 29 30 #include "pub_core_basics_asm.h" 31 32 #if defined(VGP_x86_darwin) 33 34 // DDD: should use __NR_ constants in here instead of the trap numbers 35 // directly! 36 37 // mach_port_name_t task_self_trap(void) 38 .text 39 .align 4 40 .globl _task_self_trap 41 _task_self_trap: 42 mov $-28, %eax 43 int $0x81 44 ret 45 46 // mach_port_name_t host_self_trap(void) 47 .text 48 .align 4 49 .globl _host_self_trap 50 _host_self_trap: 51 mov $-29, %eax 52 int $0x81 53 ret 54 55 // mach_port_name_t thread_self_trap(void) 56 .text 57 .align 4 58 .globl _thread_self_trap 59 _thread_self_trap: 60 mov $-27, %eax 61 int $0x81 62 ret 63 64 // mach_msg_return_t mach_msg_trap(...) 65 .text 66 .align 4 67 .globl _mach_msg_trap 68 _mach_msg_trap: 69 mov $-31, %eax 70 int $0x81 71 ret 72 73 // mach_port_t mach_reply_port(...) 74 .text 75 .align 4 76 .globl _mach_reply_port 77 _mach_reply_port: 78 mov $-26, %eax 79 int $0x81 80 ret 81 82 // boolean_t swtch_pri(int) 83 .text 84 .align 4 85 .globl _swtch_pri 86 _swtch_pri: 87 mov $-59, %eax 88 int $0x81 89 ret 90 91 // kern_return_t semaphore_wait(semaphore_t) 92 .text 93 .align 4 94 .globl _semaphore_wait 95 _semaphore_wait: 96 mov $-36, %eax 97 int $0x81 98 ret 99 100 // kern_return_t semaphore_signal(semaphore_t) 101 .text 102 .align 4 103 .globl _semaphore_signal 104 _semaphore_signal: 105 mov $-33, %eax 106 int $0x81 107 ret 108 109 // kern_return_t semaphore_signal_thread(semaphore_t, thread_t) 110 .text 111 .align 4 112 .globl _semaphore_signal_thread 113 _semaphore_signal_thread: 114 mov $-35, %eax 115 int $0x81 116 ret 117 118 // kern_return_t semaphore_wait_signal(semaphore_t, semaphore_t) 119 .text 120 .align 4 121 .globl _semaphore_wait_signal 122 _semaphore_wait_signal: 123 mov $-37, %eax 124 int $0x81 125 ret 126 127 #endif // defined(VGP_x86_darwin) 128 129 /* Let the linker know we don't need an executable stack */ 130 MARK_STACK_NO_EXEC 131 132 /*--------------------------------------------------------------------*/ 133 /*--- end ---*/ 134 /*--------------------------------------------------------------------*/ 135
