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Commit | Line | Data |
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88dae46d SB |
1 | /* |
2 | * qemu bsd user mode definition | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
84778508 BS |
17 | #ifndef QEMU_H |
18 | #define QEMU_H | |
19 | ||
84778508 | 20 | #include "cpu.h" |
e5e44263 | 21 | #include "qemu/units.h" |
f08b6170 | 22 | #include "exec/cpu_ldst.h" |
ab77bd84 | 23 | #include "exec/exec-all.h" |
84778508 BS |
24 | |
25 | #undef DEBUG_REMAP | |
84778508 | 26 | |
022c62cb | 27 | #include "exec/user/abitypes.h" |
84778508 | 28 | |
4b599848 WL |
29 | extern char **environ; |
30 | ||
ab77bd84 WL |
31 | #include "exec/user/thunk.h" |
32 | #include "target_arch.h" | |
84778508 | 33 | #include "syscall_defs.h" |
0c6940d0 | 34 | #include "target_syscall.h" |
82792244 | 35 | #include "target_os_vmparam.h" |
790baacc | 36 | #include "target_os_signal.h" |
647afdf1 | 37 | #include "target.h" |
022c62cb | 38 | #include "exec/gdbstub.h" |
e022d9ca | 39 | #include "qemu/clang-tsa.h" |
84778508 | 40 | |
c2bdd9a1 WL |
41 | /* |
42 | * This struct is used to hold certain information about the image. Basically, | |
43 | * it replicates in user space what would be certain task_struct fields in the | |
44 | * kernel | |
84778508 BS |
45 | */ |
46 | struct image_info { | |
0475f8fa | 47 | abi_ulong load_bias; |
84778508 BS |
48 | abi_ulong load_addr; |
49 | abi_ulong start_code; | |
50 | abi_ulong end_code; | |
51 | abi_ulong start_data; | |
52 | abi_ulong end_data; | |
53 | abi_ulong start_brk; | |
54 | abi_ulong brk; | |
55 | abi_ulong start_mmap; | |
56 | abi_ulong mmap; | |
57 | abi_ulong rss; | |
58 | abi_ulong start_stack; | |
59 | abi_ulong entry; | |
60 | abi_ulong code_offset; | |
61 | abi_ulong data_offset; | |
0475f8fa WL |
62 | abi_ulong arg_start; |
63 | abi_ulong arg_end; | |
64 | uint32_t elf_flags; | |
84778508 BS |
65 | }; |
66 | ||
84778508 BS |
67 | struct emulated_sigtable { |
68 | int pending; /* true if signal is pending */ | |
b46d4ad7 | 69 | target_siginfo_t info; |
84778508 BS |
70 | }; |
71 | ||
c2bdd9a1 WL |
72 | /* |
73 | * NOTE: we force a big alignment so that the stack stored after is aligned too | |
74 | */ | |
84778508 | 75 | typedef struct TaskState { |
bd88c780 AB |
76 | pid_t ts_tid; /* tid (or pid) of this task */ |
77 | ||
84778508 | 78 | struct TaskState *next; |
031fe7af | 79 | struct bsd_binprm *bprm; |
84778508 BS |
80 | struct image_info *info; |
81 | ||
38be620c WL |
82 | struct emulated_sigtable sync_signal; |
83 | /* | |
84 | * TODO: Since we block all signals while returning to the main CPU | |
85 | * loop, this needn't be an array | |
86 | */ | |
84778508 | 87 | struct emulated_sigtable sigtab[TARGET_NSIG]; |
48047225 WL |
88 | /* |
89 | * Nonzero if process_pending_signals() needs to do something (either | |
90 | * handle a pending signal or unblock signals). | |
91 | * This flag is written from a signal handler so should be accessed via | |
92 | * the qatomic_read() and qatomic_set() functions. (It is not accessed | |
93 | * from multiple threads.) | |
94 | */ | |
95 | int signal_pending; | |
6c6d4b56 WL |
96 | /* True if we're leaving a sigsuspend and sigsuspend_mask is valid. */ |
97 | bool in_sigsuspend; | |
149076ad WL |
98 | /* |
99 | * This thread's signal mask, as requested by the guest program. | |
100 | * The actual signal mask of this thread may differ: | |
101 | * + we don't let SIGSEGV and SIGBUS be blocked while running guest code | |
102 | * + sometimes we block all signals to avoid races | |
103 | */ | |
104 | sigset_t signal_mask; | |
6c6d4b56 WL |
105 | /* |
106 | * The signal mask imposed by a guest sigsuspend syscall, if we are | |
107 | * currently in the middle of such a syscall | |
108 | */ | |
109 | sigset_t sigsuspend_mask; | |
84778508 | 110 | |
46f4f76d WL |
111 | /* This thread's sigaltstack, if it has one */ |
112 | struct target_sigaltstack sigaltstack_used; | |
84778508 BS |
113 | } __attribute__((aligned(16))) TaskState; |
114 | ||
653ccec2 | 115 | void stop_all_tasks(void); |
84778508 BS |
116 | extern const char *qemu_uname_release; |
117 | ||
84778508 | 118 | /* |
e5e44263 WL |
119 | * TARGET_ARG_MAX defines the number of bytes allocated for arguments |
120 | * and envelope for the new program. 256k should suffice for a reasonable | |
121 | * maxiumum env+arg in 32-bit environments, bump it up to 512k for !ILP32 | |
122 | * platforms. | |
84778508 | 123 | */ |
e5e44263 WL |
124 | #if TARGET_ABI_BITS > 32 |
125 | #define TARGET_ARG_MAX (512 * KiB) | |
126 | #else | |
127 | #define TARGET_ARG_MAX (256 * KiB) | |
128 | #endif | |
129 | #define MAX_ARG_PAGES (TARGET_ARG_MAX / TARGET_PAGE_SIZE) | |
84778508 BS |
130 | |
131 | /* | |
132 | * This structure is used to hold the arguments that are | |
133 | * used when loading binaries. | |
134 | */ | |
afcbcff8 | 135 | struct bsd_binprm { |
84778508 BS |
136 | char buf[128]; |
137 | void *page[MAX_ARG_PAGES]; | |
138 | abi_ulong p; | |
98b34d35 | 139 | abi_ulong stringp; |
84778508 BS |
140 | int fd; |
141 | int e_uid, e_gid; | |
142 | int argc, envc; | |
143 | char **argv; | |
144 | char **envp; | |
1b50ff64 WL |
145 | char *filename; /* (Given) Name of binary */ |
146 | char *fullpath; /* Full path of binary */ | |
0475f8fa | 147 | int (*core_dump)(int, CPUArchState *); |
84778508 BS |
148 | }; |
149 | ||
150 | void do_init_thread(struct target_pt_regs *regs, struct image_info *infop); | |
151 | abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp, | |
ffa03665 | 152 | abi_ulong stringp); |
036a013f | 153 | int loader_exec(const char *filename, char **argv, char **envp, |
d37853f9 WL |
154 | struct target_pt_regs *regs, struct image_info *infop, |
155 | struct bsd_binprm *bprm); | |
84778508 | 156 | |
afcbcff8 | 157 | int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs, |
036a013f | 158 | struct image_info *info); |
afcbcff8 | 159 | int load_flt_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs, |
036a013f | 160 | struct image_info *info); |
0475f8fa | 161 | int is_target_elf_binary(int fd); |
84778508 BS |
162 | |
163 | abi_long memcpy_to_target(abi_ulong dest, const void *src, | |
164 | unsigned long len); | |
165 | void target_set_brk(abi_ulong new_brk); | |
166 | abi_long do_brk(abi_ulong new_brk); | |
167 | void syscall_init(void); | |
168 | abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, | |
169 | abi_long arg2, abi_long arg3, abi_long arg4, | |
78cfb07f JL |
170 | abi_long arg5, abi_long arg6, abi_long arg7, |
171 | abi_long arg8); | |
84778508 BS |
172 | abi_long do_netbsd_syscall(void *cpu_env, int num, abi_long arg1, |
173 | abi_long arg2, abi_long arg3, abi_long arg4, | |
174 | abi_long arg5, abi_long arg6); | |
175 | abi_long do_openbsd_syscall(void *cpu_env, int num, abi_long arg1, | |
176 | abi_long arg2, abi_long arg3, abi_long arg4, | |
177 | abi_long arg5, abi_long arg6); | |
9edc6313 | 178 | void gemu_log(const char *fmt, ...) G_GNUC_PRINTF(1, 2); |
d42df502 | 179 | extern __thread CPUState *thread_cpu; |
9349b4f9 | 180 | void cpu_loop(CPUArchState *env); |
84778508 BS |
181 | char *target_strerror(int err); |
182 | int get_osversion(void); | |
183 | void fork_start(void); | |
184 | void fork_end(int child); | |
185 | ||
1de7afc9 | 186 | #include "qemu/log.h" |
84778508 BS |
187 | |
188 | /* strace.c */ | |
88dae46d SB |
189 | struct syscallname { |
190 | int nr; | |
191 | const char *name; | |
192 | const char *format; | |
193 | void (*call)(const struct syscallname *, | |
194 | abi_long, abi_long, abi_long, | |
195 | abi_long, abi_long, abi_long); | |
196 | void (*result)(const struct syscallname *, abi_long); | |
197 | }; | |
198 | ||
84778508 BS |
199 | void |
200 | print_freebsd_syscall(int num, | |
201 | abi_long arg1, abi_long arg2, abi_long arg3, | |
202 | abi_long arg4, abi_long arg5, abi_long arg6); | |
203 | void print_freebsd_syscall_ret(int num, abi_long ret); | |
204 | void | |
205 | print_netbsd_syscall(int num, | |
206 | abi_long arg1, abi_long arg2, abi_long arg3, | |
207 | abi_long arg4, abi_long arg5, abi_long arg6); | |
208 | void print_netbsd_syscall_ret(int num, abi_long ret); | |
209 | void | |
210 | print_openbsd_syscall(int num, | |
211 | abi_long arg1, abi_long arg2, abi_long arg3, | |
212 | abi_long arg4, abi_long arg5, abi_long arg6); | |
213 | void print_openbsd_syscall_ret(int num, abi_long ret); | |
fd5bec9a WL |
214 | /** |
215 | * print_taken_signal: | |
216 | * @target_signum: target signal being taken | |
217 | * @tinfo: target_siginfo_t which will be passed to the guest for the signal | |
218 | * | |
219 | * Print strace output indicating that this signal is being taken by the guest, | |
220 | * in a format similar to: | |
221 | * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} --- | |
222 | */ | |
223 | void print_taken_signal(int target_signum, const target_siginfo_t *tinfo); | |
84778508 BS |
224 | extern int do_strace; |
225 | ||
84778508 BS |
226 | /* mmap.c */ |
227 | int target_mprotect(abi_ulong start, abi_ulong len, int prot); | |
228 | abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, | |
be04f210 | 229 | int flags, int fd, off_t offset); |
84778508 BS |
230 | int target_munmap(abi_ulong start, abi_ulong len); |
231 | abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, | |
232 | abi_ulong new_size, unsigned long flags, | |
233 | abi_ulong new_addr); | |
234 | int target_msync(abi_ulong start, abi_ulong len, int flags); | |
235 | extern unsigned long last_brk; | |
be04f210 WL |
236 | extern abi_ulong mmap_next_start; |
237 | abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size); | |
e022d9ca EGE |
238 | void TSA_NO_TSA mmap_fork_start(void); |
239 | void TSA_NO_TSA mmap_fork_end(int child); | |
84778508 | 240 | |
28e738dc | 241 | /* main.c */ |
01a298a5 | 242 | extern char qemu_proc_pathname[]; |
312a0b1c WL |
243 | extern unsigned long target_maxtsiz; |
244 | extern unsigned long target_dfldsiz; | |
245 | extern unsigned long target_maxdsiz; | |
246 | extern unsigned long target_dflssiz; | |
247 | extern unsigned long target_maxssiz; | |
248 | extern unsigned long target_sgrowsiz; | |
28e738dc | 249 | |
deeff83b | 250 | /* os-syscall.c */ |
e5f674f0 WL |
251 | abi_long get_errno(abi_long ret); |
252 | bool is_error(abi_long ret); | |
deeff83b | 253 | int host_to_target_errno(int err); |
e5f674f0 | 254 | |
da07e694 | 255 | /* os-sys.c */ |
7adda6de KE |
256 | abi_long do_freebsd_sysctl(CPUArchState *env, abi_ulong namep, int32_t namelen, |
257 | abi_ulong oldp, abi_ulong oldlenp, abi_ulong newp, abi_ulong newlen); | |
6da777e2 KE |
258 | abi_long do_freebsd_sysctlbyname(CPUArchState *env, abi_ulong namep, |
259 | int32_t namelen, abi_ulong oldp, abi_ulong oldlenp, abi_ulong newp, | |
260 | abi_ulong newlen); | |
da07e694 WL |
261 | abi_long do_freebsd_sysarch(void *cpu_env, abi_long arg1, abi_long arg2); |
262 | ||
84778508 BS |
263 | /* user access */ |
264 | ||
1720751f RH |
265 | #define VERIFY_READ PAGE_READ |
266 | #define VERIFY_WRITE (PAGE_READ | PAGE_WRITE) | |
84778508 | 267 | |
1720751f | 268 | static inline bool access_ok(int type, abi_ulong addr, abi_ulong size) |
84778508 | 269 | { |
1720751f | 270 | return page_check_range((target_ulong)addr, size, type) == 0; |
84778508 BS |
271 | } |
272 | ||
c2bdd9a1 WL |
273 | /* |
274 | * NOTE __get_user and __put_user use host pointers and don't check access. | |
275 | * | |
276 | * These are usually used to access struct data members once the struct has been | |
277 | * locked - usually with lock_user_struct(). | |
84778508 BS |
278 | */ |
279 | #define __put_user(x, hptr)\ | |
280 | ({\ | |
281 | int size = sizeof(*hptr);\ | |
cefbade1 | 282 | switch (size) {\ |
84778508 BS |
283 | case 1:\ |
284 | *(uint8_t *)(hptr) = (uint8_t)(typeof(*hptr))(x);\ | |
285 | break;\ | |
286 | case 2:\ | |
287 | *(uint16_t *)(hptr) = tswap16((typeof(*hptr))(x));\ | |
288 | break;\ | |
289 | case 4:\ | |
290 | *(uint32_t *)(hptr) = tswap32((typeof(*hptr))(x));\ | |
291 | break;\ | |
292 | case 8:\ | |
293 | *(uint64_t *)(hptr) = tswap64((typeof(*hptr))(x));\ | |
294 | break;\ | |
295 | default:\ | |
296 | abort();\ | |
036a013f | 297 | } \ |
84778508 BS |
298 | 0;\ |
299 | }) | |
300 | ||
301 | #define __get_user(x, hptr) \ | |
302 | ({\ | |
303 | int size = sizeof(*hptr);\ | |
cefbade1 | 304 | switch (size) {\ |
84778508 BS |
305 | case 1:\ |
306 | x = (typeof(*hptr))*(uint8_t *)(hptr);\ | |
307 | break;\ | |
308 | case 2:\ | |
309 | x = (typeof(*hptr))tswap16(*(uint16_t *)(hptr));\ | |
310 | break;\ | |
311 | case 4:\ | |
312 | x = (typeof(*hptr))tswap32(*(uint32_t *)(hptr));\ | |
313 | break;\ | |
314 | case 8:\ | |
315 | x = (typeof(*hptr))tswap64(*(uint64_t *)(hptr));\ | |
316 | break;\ | |
317 | default:\ | |
84778508 BS |
318 | x = 0;\ |
319 | abort();\ | |
036a013f | 320 | } \ |
84778508 BS |
321 | 0;\ |
322 | }) | |
323 | ||
c2bdd9a1 WL |
324 | /* |
325 | * put_user()/get_user() take a guest address and check access | |
326 | * | |
327 | * These are usually used to access an atomic data type, such as an int, that | |
328 | * has been passed by address. These internally perform locking and unlocking | |
329 | * on the data type. | |
84778508 BS |
330 | */ |
331 | #define put_user(x, gaddr, target_type) \ | |
332 | ({ \ | |
333 | abi_ulong __gaddr = (gaddr); \ | |
334 | target_type *__hptr; \ | |
335 | abi_long __ret; \ | |
33066934 WL |
336 | __hptr = lock_user(VERIFY_WRITE, __gaddr, sizeof(target_type), 0); \ |
337 | if (__hptr) { \ | |
84778508 BS |
338 | __ret = __put_user((x), __hptr); \ |
339 | unlock_user(__hptr, __gaddr, sizeof(target_type)); \ | |
340 | } else \ | |
341 | __ret = -TARGET_EFAULT; \ | |
342 | __ret; \ | |
343 | }) | |
344 | ||
345 | #define get_user(x, gaddr, target_type) \ | |
346 | ({ \ | |
347 | abi_ulong __gaddr = (gaddr); \ | |
348 | target_type *__hptr; \ | |
349 | abi_long __ret; \ | |
33066934 WL |
350 | __hptr = lock_user(VERIFY_READ, __gaddr, sizeof(target_type), 1); \ |
351 | if (__hptr) { \ | |
84778508 BS |
352 | __ret = __get_user((x), __hptr); \ |
353 | unlock_user(__hptr, __gaddr, 0); \ | |
354 | } else { \ | |
84778508 BS |
355 | (x) = 0; \ |
356 | __ret = -TARGET_EFAULT; \ | |
357 | } \ | |
358 | __ret; \ | |
359 | }) | |
360 | ||
361 | #define put_user_ual(x, gaddr) put_user((x), (gaddr), abi_ulong) | |
362 | #define put_user_sal(x, gaddr) put_user((x), (gaddr), abi_long) | |
363 | #define put_user_u64(x, gaddr) put_user((x), (gaddr), uint64_t) | |
364 | #define put_user_s64(x, gaddr) put_user((x), (gaddr), int64_t) | |
365 | #define put_user_u32(x, gaddr) put_user((x), (gaddr), uint32_t) | |
366 | #define put_user_s32(x, gaddr) put_user((x), (gaddr), int32_t) | |
367 | #define put_user_u16(x, gaddr) put_user((x), (gaddr), uint16_t) | |
368 | #define put_user_s16(x, gaddr) put_user((x), (gaddr), int16_t) | |
369 | #define put_user_u8(x, gaddr) put_user((x), (gaddr), uint8_t) | |
370 | #define put_user_s8(x, gaddr) put_user((x), (gaddr), int8_t) | |
371 | ||
372 | #define get_user_ual(x, gaddr) get_user((x), (gaddr), abi_ulong) | |
373 | #define get_user_sal(x, gaddr) get_user((x), (gaddr), abi_long) | |
374 | #define get_user_u64(x, gaddr) get_user((x), (gaddr), uint64_t) | |
375 | #define get_user_s64(x, gaddr) get_user((x), (gaddr), int64_t) | |
376 | #define get_user_u32(x, gaddr) get_user((x), (gaddr), uint32_t) | |
377 | #define get_user_s32(x, gaddr) get_user((x), (gaddr), int32_t) | |
378 | #define get_user_u16(x, gaddr) get_user((x), (gaddr), uint16_t) | |
379 | #define get_user_s16(x, gaddr) get_user((x), (gaddr), int16_t) | |
380 | #define get_user_u8(x, gaddr) get_user((x), (gaddr), uint8_t) | |
381 | #define get_user_s8(x, gaddr) get_user((x), (gaddr), int8_t) | |
382 | ||
c2bdd9a1 WL |
383 | /* |
384 | * copy_from_user() and copy_to_user() are usually used to copy data | |
84778508 BS |
385 | * buffers between the target and host. These internally perform |
386 | * locking/unlocking of the memory. | |
387 | */ | |
388 | abi_long copy_from_user(void *hptr, abi_ulong gaddr, size_t len); | |
389 | abi_long copy_to_user(abi_ulong gaddr, void *hptr, size_t len); | |
390 | ||
c2bdd9a1 WL |
391 | /* |
392 | * Functions for accessing guest memory. The tget and tput functions | |
393 | * read/write single values, byteswapping as necessary. The lock_user function | |
394 | * gets a pointer to a contiguous area of guest memory, but does not perform | |
395 | * any byteswapping. lock_user may return either a pointer to the guest | |
396 | * memory, or a temporary buffer. | |
397 | */ | |
84778508 | 398 | |
c2bdd9a1 WL |
399 | /* |
400 | * Lock an area of guest memory into the host. If copy is true then the | |
401 | * host area will have the same contents as the guest. | |
402 | */ | |
403 | static inline void *lock_user(int type, abi_ulong guest_addr, long len, | |
404 | int copy) | |
84778508 | 405 | { |
cb0ea019 | 406 | if (!access_ok(type, guest_addr, len)) { |
84778508 | 407 | return NULL; |
cb0ea019 | 408 | } |
84778508 BS |
409 | #ifdef DEBUG_REMAP |
410 | { | |
411 | void *addr; | |
fd9a3048 | 412 | addr = g_malloc(len); |
cb0ea019 | 413 | if (copy) { |
3e8f1628 | 414 | memcpy(addr, g2h_untagged(guest_addr), len); |
cb0ea019 | 415 | } else { |
84778508 | 416 | memset(addr, 0, len); |
cb0ea019 | 417 | } |
84778508 BS |
418 | return addr; |
419 | } | |
420 | #else | |
3e8f1628 | 421 | return g2h_untagged(guest_addr); |
84778508 BS |
422 | #endif |
423 | } | |
424 | ||
c2bdd9a1 WL |
425 | /* |
426 | * Unlock an area of guest memory. The first LEN bytes must be flushed back to | |
427 | * guest memory. host_ptr = NULL is explicitly allowed and does nothing. | |
428 | */ | |
84778508 BS |
429 | static inline void unlock_user(void *host_ptr, abi_ulong guest_addr, |
430 | long len) | |
431 | { | |
432 | ||
433 | #ifdef DEBUG_REMAP | |
cb0ea019 | 434 | if (!host_ptr) { |
84778508 | 435 | return; |
cb0ea019 WL |
436 | } |
437 | if (host_ptr == g2h_untagged(guest_addr)) { | |
84778508 | 438 | return; |
cb0ea019 WL |
439 | } |
440 | if (len > 0) { | |
3e8f1628 | 441 | memcpy(g2h_untagged(guest_addr), host_ptr, len); |
cb0ea019 | 442 | } |
fd9a3048 | 443 | g_free(host_ptr); |
84778508 BS |
444 | #endif |
445 | } | |
446 | ||
c2bdd9a1 WL |
447 | /* |
448 | * Return the length of a string in target memory or -TARGET_EFAULT if access | |
449 | * error. | |
450 | */ | |
84778508 BS |
451 | abi_long target_strlen(abi_ulong gaddr); |
452 | ||
453 | /* Like lock_user but for null terminated strings. */ | |
454 | static inline void *lock_user_string(abi_ulong guest_addr) | |
455 | { | |
456 | abi_long len; | |
457 | len = target_strlen(guest_addr); | |
cb0ea019 | 458 | if (len < 0) { |
84778508 | 459 | return NULL; |
cb0ea019 | 460 | } |
84778508 BS |
461 | return lock_user(VERIFY_READ, guest_addr, (long)(len + 1), 1); |
462 | } | |
463 | ||
41d1af4d | 464 | /* Helper macros for locking/unlocking a target struct. */ |
84778508 BS |
465 | #define lock_user_struct(type, host_ptr, guest_addr, copy) \ |
466 | (host_ptr = lock_user(type, guest_addr, sizeof(*host_ptr), copy)) | |
467 | #define unlock_user_struct(host_ptr, guest_addr, copy) \ | |
468 | unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0) | |
469 | ||
0ff05082 WL |
470 | static inline uint64_t target_arg64(uint32_t word0, uint32_t word1) |
471 | { | |
472 | #if TARGET_ABI_BITS == 32 | |
ee3eb3a7 | 473 | #if TARGET_BIG_ENDIAN |
0ff05082 WL |
474 | return ((uint64_t)word0 << 32) | word1; |
475 | #else | |
476 | return ((uint64_t)word1 << 32) | word0; | |
477 | #endif | |
478 | #else /* TARGET_ABI_BITS != 32 */ | |
479 | return word0; | |
480 | #endif /* TARGET_ABI_BITS != 32 */ | |
481 | } | |
482 | ||
84778508 | 483 | #include <pthread.h> |
84778508 | 484 | |
aae57ac3 WL |
485 | #include "user/safe-syscall.h" |
486 | ||
84778508 | 487 | #endif /* QEMU_H */ |