1 /* Mach thread state definitions for machine-independent code. i386 version. 2 Copyright (C) 1994-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _MACH_I386_THREAD_STATE_H 20 #define _MACH_I386_THREAD_STATE_H 1 21 22 #include <mach/machine/thread_status.h> 23 24 /* This lets the kernel define segments for a new thread. */ 25 #define MACHINE_NEW_THREAD_STATE_FLAVOR i386_THREAD_STATE 26 /* This makes the kernel load our segments descriptors. */ 27 #define MACHINE_THREAD_STATE_FLAVOR i386_REGS_SEGS_STATE 28 #define MACHINE_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT 29 30 #define machine_thread_state i386_thread_state 31 32 #define PC eip 33 #define SP uesp 34 #define SYSRETURN eax 35 36 #define MACHINE_THREAD_STATE_FIX_NEW(ts) do { \ 37 asm ("mov %%cs, %w0" : "=q" ((ts)->cs)); \ 38 asm ("mov %%ds, %w0" : "=q" ((ts)->ds)); \ 39 asm ("mov %%es, %w0" : "=q" ((ts)->es)); \ 40 asm ("mov %%fs, %w0" : "=q" ((ts)->fs)); \ 41 asm ("mov %%gs, %w0" : "=q" ((ts)->gs)); \ 42 } while(0) 43 44 struct machine_thread_all_state 45 { 46 int set; /* Mask of bits (1 << FLAVOR). */ 47 struct i386_thread_state basic; 48 struct i386_float_state fpu; 49 }; 50 51 #include <sysdeps/mach/thread_state.h> 52 53 #endif /* mach/i386/thread_state.h */ 54