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a8fe6d5d WL |
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 | */ | |
9c092804 MA |
19 | |
20 | #ifndef TARGET_ARCH_THREAD_H | |
21 | #define TARGET_ARCH_THREAD_H | |
a8fe6d5d WL |
22 | |
23 | /* Compare to vm_machdep.c cpu_set_upcall_kse() */ | |
24 | static inline void target_thread_set_upcall(CPUX86State *regs, abi_ulong entry, | |
25 | abi_ulong arg, abi_ulong stack_base, abi_ulong stack_size) | |
26 | { | |
27 | /* XXX */ | |
28 | } | |
29 | ||
30 | static inline void target_thread_init(struct target_pt_regs *regs, | |
31 | struct image_info *infop) | |
32 | { | |
33 | regs->esp = infop->start_stack; | |
34 | regs->eip = infop->entry; | |
35 | ||
36 | /* | |
37 | * SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx | |
38 | * contains a pointer to a function which might be registered using | |
39 | * `atexit'. This provides a mean for the dynamic linker to call DT_FINI | |
40 | * functions for shared libraries that have been loaded before the code | |
41 | * runs. | |
42 | * | |
43 | * A value of 0 tells we have no such handler. | |
44 | */ | |
45 | regs->edx = 0; | |
46 | } | |
47 | ||
9c092804 | 48 | #endif /* TARGET_ARCH_THREAD_H */ |