12
#endif /* DEBUG_REMAP */
15
typedef uint32_t abi_ulong;
16
typedef int32_t abi_long;
17
#define TARGET_ABI_FMT_lx "%08x"
18
#define TARGET_ABI_FMT_ld "%d"
19
#define TARGET_ABI_FMT_lu "%u"
20
#define TARGET_ABI_BITS 32
22
typedef target_ulong abi_ulong;
23
typedef target_long abi_long;
24
#define TARGET_ABI_FMT_lx TARGET_FMT_lx
25
#define TARGET_ABI_FMT_ld TARGET_FMT_ld
26
#define TARGET_ABI_FMT_lu TARGET_FMT_lu
27
#define TARGET_ABI_BITS TARGET_LONG_BITS
28
/* for consistency, define ABI32 too */
29
#if TARGET_ABI_BITS == 32
30
#define TARGET_ABI32 1
40
#include "syscall_defs.h"
42
#include "target_signal.h"
46
#define THREAD __thread
51
/* This struct is used to hold certain information about the image.
52
* Basically, it replicates in user space what would be certain
53
* task_struct fields in the kernel
66
abi_ulong start_stack;
68
abi_ulong code_offset;
69
abi_ulong data_offset;
74
#define MAX_SIGQUEUE_SIZE 1024
77
struct sigqueue *next;
78
//target_siginfo_t info;
81
struct emulated_sigtable {
82
int pending; /* true if signal is pending */
83
struct sigqueue *first;
84
struct sigqueue info; /* in order to always have memory for the
85
first signal, we put it here */
88
/* NOTE: we force a big alignment so that the stack stored after is
90
typedef struct TaskState {
91
struct TaskState *next;
92
int used; /* non zero if used */
93
struct image_info *info;
95
struct emulated_sigtable sigtab[TARGET_NSIG];
96
struct sigqueue sigqueue_table[MAX_SIGQUEUE_SIZE]; /* siginfo queue */
97
struct sigqueue *first_free; /* first free siginfo queue entry */
98
int signal_pending; /* non zero if a signal may be pending */
101
} __attribute__((aligned(16))) TaskState;
103
void init_task_state(TaskState *ts);
104
extern const char *qemu_uname_release;
106
/* ??? See if we can avoid exposing so much of the loader internals. */
108
* MAX_ARG_PAGES defines the number of pages allocated for arguments
109
* and envelope for the new program. 32 should suffice, this gives
110
* a maximum env+arg of 128kB w/4KB pages!
112
#define MAX_ARG_PAGES 32
115
* This structure is used to hold the arguments that are
116
* used when loading binaries.
118
struct linux_binprm {
120
void *page[MAX_ARG_PAGES];
127
char * filename; /* Name of binary */
130
void do_init_thread(struct target_pt_regs *regs, struct image_info *infop);
131
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
132
abi_ulong stringp, int push_ptr);
133
int loader_exec(const char * filename, char ** argv, char ** envp,
134
struct target_pt_regs * regs, struct image_info *infop);
136
int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
137
struct image_info * info);
138
int load_flt_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
139
struct image_info * info);
141
abi_long memcpy_to_target(abi_ulong dest, const void *src,
143
void target_set_brk(abi_ulong new_brk);
144
abi_long do_brk(abi_ulong new_brk);
145
void syscall_init(void);
146
abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1,
147
abi_long arg2, abi_long arg3, abi_long arg4,
148
abi_long arg5, abi_long arg6);
149
abi_long do_netbsd_syscall(void *cpu_env, int num, abi_long arg1,
150
abi_long arg2, abi_long arg3, abi_long arg4,
151
abi_long arg5, abi_long arg6);
152
abi_long do_openbsd_syscall(void *cpu_env, int num, abi_long arg1,
153
abi_long arg2, abi_long arg3, abi_long arg4,
154
abi_long arg5, abi_long arg6);
155
void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2)));
156
extern THREAD CPUState *thread_env;
157
void cpu_loop(CPUState *env, enum BSDType bsd_type);
158
void init_paths(const char *prefix);
159
const char *path(const char *pathname);
160
char *target_strerror(int err);
161
int get_osversion(void);
162
void fork_start(void);
163
void fork_end(int child);
165
#include "qemu-log.h"
169
print_freebsd_syscall(int num,
170
abi_long arg1, abi_long arg2, abi_long arg3,
171
abi_long arg4, abi_long arg5, abi_long arg6);
172
void print_freebsd_syscall_ret(int num, abi_long ret);
174
print_netbsd_syscall(int num,
175
abi_long arg1, abi_long arg2, abi_long arg3,
176
abi_long arg4, abi_long arg5, abi_long arg6);
177
void print_netbsd_syscall_ret(int num, abi_long ret);
179
print_openbsd_syscall(int num,
180
abi_long arg1, abi_long arg2, abi_long arg3,
181
abi_long arg4, abi_long arg5, abi_long arg6);
182
void print_openbsd_syscall_ret(int num, abi_long ret);
183
extern int do_strace;
186
void process_pending_signals(CPUState *cpu_env);
187
void signal_init(void);
188
//int queue_signal(CPUState *env, int sig, target_siginfo_t *info);
189
//void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
190
//void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
191
long do_sigreturn(CPUState *env);
192
long do_rt_sigreturn(CPUState *env);
193
abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp);
196
int target_mprotect(abi_ulong start, abi_ulong len, int prot);
197
abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
198
int flags, int fd, abi_ulong offset);
199
int target_munmap(abi_ulong start, abi_ulong len);
200
abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size,
201
abi_ulong new_size, unsigned long flags,
203
int target_msync(abi_ulong start, abi_ulong len, int flags);
204
extern unsigned long last_brk;
205
void mmap_lock(void);
206
void mmap_unlock(void);
207
#if defined(USE_NPTL)
208
void mmap_fork_start(void);
209
void mmap_fork_end(int child);
214
#define VERIFY_READ 0
215
#define VERIFY_WRITE 1 /* implies read access */
217
static inline int access_ok(int type, abi_ulong addr, abi_ulong size)
219
return page_check_range((target_ulong)addr, size,
220
(type == VERIFY_READ) ? PAGE_READ : (PAGE_READ | PAGE_WRITE)) == 0;
223
/* NOTE __get_user and __put_user use host pointers and don't check access. */
224
/* These are usually used to access struct data members once the
225
* struct has been locked - usually with lock_user_struct().
227
#define __put_user(x, hptr)\
229
int size = sizeof(*hptr);\
232
*(uint8_t *)(hptr) = (uint8_t)(typeof(*hptr))(x);\
235
*(uint16_t *)(hptr) = tswap16((typeof(*hptr))(x));\
238
*(uint32_t *)(hptr) = tswap32((typeof(*hptr))(x));\
241
*(uint64_t *)(hptr) = tswap64((typeof(*hptr))(x));\
249
#define __get_user(x, hptr) \
251
int size = sizeof(*hptr);\
254
x = (typeof(*hptr))*(uint8_t *)(hptr);\
257
x = (typeof(*hptr))tswap16(*(uint16_t *)(hptr));\
260
x = (typeof(*hptr))tswap32(*(uint32_t *)(hptr));\
263
x = (typeof(*hptr))tswap64(*(uint64_t *)(hptr));\
273
/* put_user()/get_user() take a guest address and check access */
274
/* These are usually used to access an atomic data type, such as an int,
275
* that has been passed by address. These internally perform locking
276
* and unlocking on the data type.
278
#define put_user(x, gaddr, target_type) \
280
abi_ulong __gaddr = (gaddr); \
281
target_type *__hptr; \
283
if ((__hptr = lock_user(VERIFY_WRITE, __gaddr, sizeof(target_type), 0))) { \
284
__ret = __put_user((x), __hptr); \
285
unlock_user(__hptr, __gaddr, sizeof(target_type)); \
287
__ret = -TARGET_EFAULT; \
291
#define get_user(x, gaddr, target_type) \
293
abi_ulong __gaddr = (gaddr); \
294
target_type *__hptr; \
296
if ((__hptr = lock_user(VERIFY_READ, __gaddr, sizeof(target_type), 1))) { \
297
__ret = __get_user((x), __hptr); \
298
unlock_user(__hptr, __gaddr, 0); \
300
/* avoid warning */ \
302
__ret = -TARGET_EFAULT; \
307
#define put_user_ual(x, gaddr) put_user((x), (gaddr), abi_ulong)
308
#define put_user_sal(x, gaddr) put_user((x), (gaddr), abi_long)
309
#define put_user_u64(x, gaddr) put_user((x), (gaddr), uint64_t)
310
#define put_user_s64(x, gaddr) put_user((x), (gaddr), int64_t)
311
#define put_user_u32(x, gaddr) put_user((x), (gaddr), uint32_t)
312
#define put_user_s32(x, gaddr) put_user((x), (gaddr), int32_t)
313
#define put_user_u16(x, gaddr) put_user((x), (gaddr), uint16_t)
314
#define put_user_s16(x, gaddr) put_user((x), (gaddr), int16_t)
315
#define put_user_u8(x, gaddr) put_user((x), (gaddr), uint8_t)
316
#define put_user_s8(x, gaddr) put_user((x), (gaddr), int8_t)
318
#define get_user_ual(x, gaddr) get_user((x), (gaddr), abi_ulong)
319
#define get_user_sal(x, gaddr) get_user((x), (gaddr), abi_long)
320
#define get_user_u64(x, gaddr) get_user((x), (gaddr), uint64_t)
321
#define get_user_s64(x, gaddr) get_user((x), (gaddr), int64_t)
322
#define get_user_u32(x, gaddr) get_user((x), (gaddr), uint32_t)
323
#define get_user_s32(x, gaddr) get_user((x), (gaddr), int32_t)
324
#define get_user_u16(x, gaddr) get_user((x), (gaddr), uint16_t)
325
#define get_user_s16(x, gaddr) get_user((x), (gaddr), int16_t)
326
#define get_user_u8(x, gaddr) get_user((x), (gaddr), uint8_t)
327
#define get_user_s8(x, gaddr) get_user((x), (gaddr), int8_t)
329
/* copy_from_user() and copy_to_user() are usually used to copy data
330
* buffers between the target and host. These internally perform
331
* locking/unlocking of the memory.
333
abi_long copy_from_user(void *hptr, abi_ulong gaddr, size_t len);
334
abi_long copy_to_user(abi_ulong gaddr, void *hptr, size_t len);
336
/* Functions for accessing guest memory. The tget and tput functions
337
read/write single values, byteswapping as neccessary. The lock_user
338
gets a pointer to a contiguous area of guest memory, but does not perform
339
and byteswapping. lock_user may return either a pointer to the guest
340
memory, or a temporary buffer. */
342
/* Lock an area of guest memory into the host. If copy is true then the
343
host area will have the same contents as the guest. */
344
static inline void *lock_user(int type, abi_ulong guest_addr, long len, int copy)
346
if (!access_ok(type, guest_addr, len))
353
memcpy(addr, g2h(guest_addr), len);
355
memset(addr, 0, len);
359
return g2h(guest_addr);
363
/* Unlock an area of guest memory. The first LEN bytes must be
364
flushed back to guest memory. host_ptr = NULL is explicitly
365
allowed and does nothing. */
366
static inline void unlock_user(void *host_ptr, abi_ulong guest_addr,
373
if (host_ptr == g2h(guest_addr))
376
memcpy(g2h(guest_addr), host_ptr, len);
381
/* Return the length of a string in target memory or -TARGET_EFAULT if
383
abi_long target_strlen(abi_ulong gaddr);
385
/* Like lock_user but for null terminated strings. */
386
static inline void *lock_user_string(abi_ulong guest_addr)
389
len = target_strlen(guest_addr);
392
return lock_user(VERIFY_READ, guest_addr, (long)(len + 1), 1);
395
/* Helper macros for locking/ulocking a target struct. */
396
#define lock_user_struct(type, host_ptr, guest_addr, copy) \
397
(host_ptr = lock_user(type, guest_addr, sizeof(*host_ptr), copy))
398
#define unlock_user_struct(host_ptr, guest_addr, copy) \
399
unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0)
401
#if defined(USE_NPTL)
added
removed
bsd-user/qemu.h
