1#ifndef QEMU_H
2#define QEMU_H
3
4
5#include "cpu.h"
6#include "exec/cpu_ldst.h"
7
8#undef DEBUG_REMAP
9#ifdef DEBUG_REMAP
10#endif
11
12#include "exec/user/abitypes.h"
13
14#include "exec/user/thunk.h"
15#include "syscall_defs.h"
16#include "target_syscall.h"
17#include "exec/gdbstub.h"
18#include "qemu/queue.h"
19
20#define THREAD __thread
21
22
23
24
25
26struct image_info {
27 abi_ulong load_bias;
28 abi_ulong load_addr;
29 abi_ulong start_code;
30 abi_ulong end_code;
31 abi_ulong start_data;
32 abi_ulong end_data;
33 abi_ulong start_brk;
34 abi_ulong brk;
35 abi_ulong start_mmap;
36 abi_ulong start_stack;
37 abi_ulong stack_limit;
38 abi_ulong entry;
39 abi_ulong code_offset;
40 abi_ulong data_offset;
41 abi_ulong saved_auxv;
42 abi_ulong auxv_len;
43 abi_ulong arg_start;
44 abi_ulong arg_end;
45 uint32_t elf_flags;
46 int personality;
47#ifdef CONFIG_USE_FDPIC
48 abi_ulong loadmap_addr;
49 uint16_t nsegs;
50 void *loadsegs;
51 abi_ulong pt_dynamic_addr;
52 struct image_info *other_info;
53#endif
54};
55
56#ifdef TARGET_I386
57
58struct vm86_saved_state {
59 uint32_t eax;
60 uint32_t ebx;
61 uint32_t ecx;
62 uint32_t edx;
63 uint32_t esi;
64 uint32_t edi;
65 uint32_t ebp;
66 uint32_t esp;
67 uint32_t eflags;
68 uint32_t eip;
69 uint16_t cs, ss, ds, es, fs, gs;
70};
71#endif
72
73#if defined(TARGET_ARM) && defined(TARGET_ABI32)
74
75#include "nwfpe/fpa11.h"
76#endif
77
78#define MAX_SIGQUEUE_SIZE 1024
79
80struct sigqueue {
81 struct sigqueue *next;
82 target_siginfo_t info;
83};
84
85struct emulated_sigtable {
86 int pending;
87 struct sigqueue *first;
88 struct sigqueue info;
89
90};
91
92
93
94typedef struct TaskState {
95 pid_t ts_tid;
96#ifdef TARGET_ARM
97# ifdef TARGET_ABI32
98
99 FPA11 fpa;
100# endif
101 int swi_errno;
102#endif
103#ifdef TARGET_UNICORE32
104 int swi_errno;
105#endif
106#if defined(TARGET_I386) && !defined(TARGET_X86_64)
107 abi_ulong target_v86;
108 struct vm86_saved_state vm86_saved_regs;
109 struct target_vm86plus_struct vm86plus;
110 uint32_t v86flags;
111 uint32_t v86mask;
112#endif
113 abi_ulong child_tidptr;
114#ifdef TARGET_M68K
115 int sim_syscalls;
116 abi_ulong tp_value;
117#endif
118#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
119
120 uint32_t heap_base;
121 uint32_t heap_limit;
122#endif
123 uint32_t stack_base;
124 int used;
125 bool sigsegv_blocked;
126 struct image_info *info;
127 struct linux_binprm *bprm;
128
129 struct emulated_sigtable sigtab[TARGET_NSIG];
130 struct sigqueue sigqueue_table[MAX_SIGQUEUE_SIZE];
131 struct sigqueue *first_free;
132 int signal_pending;
133} __attribute__((aligned(16))) TaskState;
134
135extern char *exec_path;
136void init_task_state(TaskState *ts);
137void task_settid(TaskState *);
138void stop_all_tasks(void);
139extern const char *qemu_uname_release;
140extern unsigned long mmap_min_addr;
141
142
143
144
145
146#define BPRM_BUF_SIZE 1024
147
148
149
150
151
152struct linux_binprm {
153 char buf[BPRM_BUF_SIZE] __attribute__((aligned));
154 abi_ulong p;
155 int fd;
156 int e_uid, e_gid;
157 int argc, envc;
158 char **argv;
159 char **envp;
160 char * filename;
161 int (*core_dump)(int, const CPUArchState *);
162};
163
164void do_init_thread(struct target_pt_regs *regs, struct image_info *infop);
165abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
166 abi_ulong stringp, int push_ptr);
167int loader_exec(int fdexec, const char *filename, char **argv, char **envp,
168 struct target_pt_regs * regs, struct image_info *infop,
169 struct linux_binprm *);
170
171int load_elf_binary(struct linux_binprm *bprm, struct image_info *info);
172int load_flt_binary(struct linux_binprm *bprm, struct image_info *info);
173
174abi_long memcpy_to_target(abi_ulong dest, const void *src,
175 unsigned long len);
176void target_set_brk(abi_ulong new_brk);
177abi_long do_brk(abi_ulong new_brk);
178void syscall_init(void);
179abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
180 abi_long arg2, abi_long arg3, abi_long arg4,
181 abi_long arg5, abi_long arg6, abi_long arg7,
182 abi_long arg8);
183void gemu_log(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
184extern THREAD CPUState *thread_cpu;
185void cpu_loop(CPUArchState *env);
186char *target_strerror(int err);
187int get_osversion(void);
188void init_qemu_uname_release(void);
189void fork_start(void);
190void fork_end(int child);
191
192
193
194
195
196
197
198
199
200unsigned long init_guest_space(unsigned long host_start,
201 unsigned long host_size,
202 unsigned long guest_start,
203 bool fixed);
204
205#include "qemu/log.h"
206
207
208int host_to_target_waitstatus(int status);
209
210
211void print_syscall(int num,
212 abi_long arg1, abi_long arg2, abi_long arg3,
213 abi_long arg4, abi_long arg5, abi_long arg6);
214void print_syscall_ret(int num, abi_long arg1);
215extern int do_strace;
216
217
218void process_pending_signals(CPUArchState *cpu_env);
219void signal_init(void);
220int queue_signal(CPUArchState *env, int sig, target_siginfo_t *info);
221void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
222void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
223int target_to_host_signal(int sig);
224int host_to_target_signal(int sig);
225long do_sigreturn(CPUArchState *env);
226long do_rt_sigreturn(CPUArchState *env);
227abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp);
228int do_sigprocmask(int how, const sigset_t *set, sigset_t *oldset);
229
230#ifdef TARGET_I386
231
232void save_v86_state(CPUX86State *env);
233void handle_vm86_trap(CPUX86State *env, int trapno);
234void handle_vm86_fault(CPUX86State *env);
235int do_vm86(CPUX86State *env, long subfunction, abi_ulong v86_addr);
236#elif defined(TARGET_SPARC64)
237void sparc64_set_context(CPUSPARCState *env);
238void sparc64_get_context(CPUSPARCState *env);
239#endif
240
241
242int target_mprotect(abi_ulong start, abi_ulong len, int prot);
243abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
244 int flags, int fd, abi_ulong offset);
245int target_munmap(abi_ulong start, abi_ulong len);
246abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size,
247 abi_ulong new_size, unsigned long flags,
248 abi_ulong new_addr);
249int target_msync(abi_ulong start, abi_ulong len, int flags);
250extern unsigned long last_brk;
251extern abi_ulong mmap_next_start;
252abi_ulong mmap_find_vma(abi_ulong, abi_ulong);
253void cpu_list_lock(void);
254void cpu_list_unlock(void);
255void mmap_fork_start(void);
256void mmap_fork_end(int child);
257
258
259extern unsigned long guest_stack_size;
260
261
262
263#define VERIFY_READ 0
264#define VERIFY_WRITE 1
265
266static inline int access_ok(int type, abi_ulong addr, abi_ulong size)
267{
268 return page_check_range((target_ulong)addr, size,
269 (type == VERIFY_READ) ? PAGE_READ : (PAGE_READ | PAGE_WRITE)) == 0;
270}
271
272
273
274
275
276
277
278
279
280
281
282
283#define __put_user_e(x, hptr, e) \
284 (__builtin_choose_expr(sizeof(*(hptr)) == 1, stb_p, \
285 __builtin_choose_expr(sizeof(*(hptr)) == 2, stw_##e##_p, \
286 __builtin_choose_expr(sizeof(*(hptr)) == 4, stl_##e##_p, \
287 __builtin_choose_expr(sizeof(*(hptr)) == 8, stq_##e##_p, abort)))) \
288 ((hptr), (x)), (void)0)
289
290#define __get_user_e(x, hptr, e) \
291 ((x) = (typeof(*hptr))( \
292 __builtin_choose_expr(sizeof(*(hptr)) == 1, ldub_p, \
293 __builtin_choose_expr(sizeof(*(hptr)) == 2, lduw_##e##_p, \
294 __builtin_choose_expr(sizeof(*(hptr)) == 4, ldl_##e##_p, \
295 __builtin_choose_expr(sizeof(*(hptr)) == 8, ldq_##e##_p, abort)))) \
296 (hptr)), (void)0)
297
298#ifdef TARGET_WORDS_BIGENDIAN
299# define __put_user(x, hptr) __put_user_e(x, hptr, be)
300# define __get_user(x, hptr) __get_user_e(x, hptr, be)
301#else
302# define __put_user(x, hptr) __put_user_e(x, hptr, le)
303# define __get_user(x, hptr) __get_user_e(x, hptr, le)
304#endif
305
306
307
308
309
310
311#define put_user(x, gaddr, target_type) \
312({ \
313 abi_ulong __gaddr = (gaddr); \
314 target_type *__hptr; \
315 abi_long __ret = 0; \
316 if ((__hptr = lock_user(VERIFY_WRITE, __gaddr, sizeof(target_type), 0))) { \
317 __put_user((x), __hptr); \
318 unlock_user(__hptr, __gaddr, sizeof(target_type)); \
319 } else \
320 __ret = -TARGET_EFAULT; \
321 __ret; \
322})
323
324#define get_user(x, gaddr, target_type) \
325({ \
326 abi_ulong __gaddr = (gaddr); \
327 target_type *__hptr; \
328 abi_long __ret = 0; \
329 if ((__hptr = lock_user(VERIFY_READ, __gaddr, sizeof(target_type), 1))) { \
330 __get_user((x), __hptr); \
331 unlock_user(__hptr, __gaddr, 0); \
332 } else { \
333 \
334 (x) = 0; \
335 __ret = -TARGET_EFAULT; \
336 } \
337 __ret; \
338})
339
340#define put_user_ual(x, gaddr) put_user((x), (gaddr), abi_ulong)
341#define put_user_sal(x, gaddr) put_user((x), (gaddr), abi_long)
342#define put_user_u64(x, gaddr) put_user((x), (gaddr), uint64_t)
343#define put_user_s64(x, gaddr) put_user((x), (gaddr), int64_t)
344#define put_user_u32(x, gaddr) put_user((x), (gaddr), uint32_t)
345#define put_user_s32(x, gaddr) put_user((x), (gaddr), int32_t)
346#define put_user_u16(x, gaddr) put_user((x), (gaddr), uint16_t)
347#define put_user_s16(x, gaddr) put_user((x), (gaddr), int16_t)
348#define put_user_u8(x, gaddr) put_user((x), (gaddr), uint8_t)
349#define put_user_s8(x, gaddr) put_user((x), (gaddr), int8_t)
350
351#define get_user_ual(x, gaddr) get_user((x), (gaddr), abi_ulong)
352#define get_user_sal(x, gaddr) get_user((x), (gaddr), abi_long)
353#define get_user_u64(x, gaddr) get_user((x), (gaddr), uint64_t)
354#define get_user_s64(x, gaddr) get_user((x), (gaddr), int64_t)
355#define get_user_u32(x, gaddr) get_user((x), (gaddr), uint32_t)
356#define get_user_s32(x, gaddr) get_user((x), (gaddr), int32_t)
357#define get_user_u16(x, gaddr) get_user((x), (gaddr), uint16_t)
358#define get_user_s16(x, gaddr) get_user((x), (gaddr), int16_t)
359#define get_user_u8(x, gaddr) get_user((x), (gaddr), uint8_t)
360#define get_user_s8(x, gaddr) get_user((x), (gaddr), int8_t)
361
362
363
364
365
366abi_long copy_from_user(void *hptr, abi_ulong gaddr, size_t len);
367abi_long copy_to_user(abi_ulong gaddr, void *hptr, size_t len);
368
369
370
371
372
373
374
375
376
377static inline void *lock_user(int type, abi_ulong guest_addr, long len, int copy)
378{
379 if (!access_ok(type, guest_addr, len))
380 return NULL;
381#ifdef DEBUG_REMAP
382 {
383 void *addr;
384 addr = malloc(len);
385 if (copy)
386 memcpy(addr, g2h(guest_addr), len);
387 else
388 memset(addr, 0, len);
389 return addr;
390 }
391#else
392 return g2h(guest_addr);
393#endif
394}
395
396
397
398
399static inline void unlock_user(void *host_ptr, abi_ulong guest_addr,
400 long len)
401{
402
403#ifdef DEBUG_REMAP
404 if (!host_ptr)
405 return;
406 if (host_ptr == g2h(guest_addr))
407 return;
408 if (len > 0)
409 memcpy(g2h(guest_addr), host_ptr, len);
410 free(host_ptr);
411#endif
412}
413
414
415
416abi_long target_strlen(abi_ulong gaddr);
417
418
419static inline void *lock_user_string(abi_ulong guest_addr)
420{
421 abi_long len;
422 len = target_strlen(guest_addr);
423 if (len < 0)
424 return NULL;
425 return lock_user(VERIFY_READ, guest_addr, (long)(len + 1), 1);
426}
427
428
429#define lock_user_struct(type, host_ptr, guest_addr, copy) \
430 (host_ptr = lock_user(type, guest_addr, sizeof(*host_ptr), copy))
431#define unlock_user_struct(host_ptr, guest_addr, copy) \
432 unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0)
433
434#include <pthread.h>
435
436
437
438
439
440#include "target_cpu.h"
441#include "target_signal.h"
442#include "target_structs.h"
443
444#endif
445