1 /* 2 * i386 thread support 3 * 4 * Copyright (c) 2013 Stacey D. Son 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 #ifndef _TARGET_ARCH_THREAD_H_ 20 #define _TARGET_ARCH_THREAD_H_ 21 22 /* Compare to vm_machdep.c cpu_set_upcall_kse() */ 23 static inline void target_thread_set_upcall(CPUX86State *regs, abi_ulong entry, 24 abi_ulong arg, abi_ulong stack_base, abi_ulong stack_size) 25 { 26 /* XXX */ 27 } 28 29 static inline void target_thread_init(struct target_pt_regs *regs, 30 struct image_info *infop) 31 { 32 regs->esp = infop->start_stack; 33 regs->eip = infop->entry; 34 35 /* 36 * SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx 37 * contains a pointer to a function which might be registered using 38 * `atexit'. This provides a mean for the dynamic linker to call DT_FINI 39 * functions for shared libraries that have been loaded before the code 40 * runs. 41 * 42 * A value of 0 tells we have no such handler. 43 */ 44 regs->edx = 0; 45 } 46 47 #endif /* !_TARGET_ARCH_THREAD_H_ */ 48