2 * user-internals.h: prototypes etc internal to the linux-user implementation
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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.
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.
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15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 #ifndef LINUX_USER_USER_INTERNALS_H
19 #define LINUX_USER_USER_INTERNALS_H
21 #include "exec/user/thunk.h"
22 #include "exec/exec-all.h"
25 extern char *exec_path
;
26 void init_task_state(TaskState
*ts
);
27 void task_settid(TaskState
*);
28 void stop_all_tasks(void);
29 extern const char *qemu_uname_release
;
30 extern unsigned long mmap_min_addr
;
32 typedef struct IOCTLEntry IOCTLEntry
;
34 typedef abi_long
do_ioctl_fn(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
35 int fd
, int cmd
, abi_long arg
);
39 unsigned int host_cmd
;
42 do_ioctl_fn
*do_ioctl
;
43 const argtype arg_type
[5];
46 extern IOCTLEntry ioctl_entries
[];
50 #define IOC_RW (IOC_R | IOC_W)
53 * Returns true if the image uses the FDPIC ABI. If this is the case,
54 * we have to provide some information (loadmap, pt_dynamic_info) such
55 * that the program can be relocated adequately. This is also useful
56 * when handling signals.
58 int info_is_fdpic(struct image_info
*info
);
60 void target_set_brk(abi_ulong new_brk
);
61 void syscall_init(void);
62 abi_long
do_syscall(void *cpu_env
, int num
, abi_long arg1
,
63 abi_long arg2
, abi_long arg3
, abi_long arg4
,
64 abi_long arg5
, abi_long arg6
, abi_long arg7
,
66 extern __thread CPUState
*thread_cpu
;
67 void QEMU_NORETURN
cpu_loop(CPUArchState
*env
);
68 const char *target_strerror(int err
);
69 int get_osversion(void);
70 void init_qemu_uname_release(void);
71 void fork_start(void);
72 void fork_end(int child
);
76 * @image_name: the executable being loaded
77 * @loaddr: the lowest fixed address in the executable
78 * @hiaddr: the highest fixed address in the executable
80 * Creates the initial guest address space in the host memory space.
82 * If @loaddr == 0, then no address in the executable is fixed,
83 * i.e. it is fully relocatable. In that case @hiaddr is the size
86 * This function will not return if a valid value for guest_base
87 * cannot be chosen. On return, the executable loader can expect
89 * target_mmap(loaddr, hiaddr - loaddr, ...)
93 void probe_guest_base(const char *image_name
,
94 abi_ulong loaddr
, abi_ulong hiaddr
);
97 int host_to_target_waitstatus(int status
);
101 void save_v86_state(CPUX86State
*env
);
102 void handle_vm86_trap(CPUX86State
*env
, int trapno
);
103 void handle_vm86_fault(CPUX86State
*env
);
104 int do_vm86(CPUX86State
*env
, long subfunction
, abi_ulong v86_addr
);
105 #elif defined(TARGET_SPARC64)
106 void sparc64_set_context(CPUSPARCState
*env
);
107 void sparc64_get_context(CPUSPARCState
*env
);
110 static inline int is_error(abi_long ret
)
112 return (abi_ulong
)ret
>= (abi_ulong
)(-4096);
115 #if (TARGET_ABI_BITS == 32) && !defined(TARGET_ABI_MIPSN32)
116 static inline uint64_t target_offset64(uint32_t word0
, uint32_t word1
)
118 #if TARGET_BIG_ENDIAN
119 return ((uint64_t)word0
<< 32) | word1
;
121 return ((uint64_t)word1
<< 32) | word0
;
124 #else /* TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) */
125 static inline uint64_t target_offset64(uint64_t word0
, uint64_t word1
)
129 #endif /* TARGET_ABI_BITS != 32 */
131 void print_termios(void *arg
);
133 /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
135 static inline int regpairs_aligned(void *cpu_env
, int num
)
137 return ((((CPUARMState
*)cpu_env
)->eabi
) == 1) ;
139 #elif defined(TARGET_MIPS) && defined(TARGET_ABI_MIPSO32)
140 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 1; }
141 #elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
143 * SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
144 * of registers which translates to the same as ARM/MIPS, because we start with
147 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 1; }
148 #elif defined(TARGET_SH4)
149 /* SH4 doesn't align register pairs, except for p{read,write}64 */
150 static inline int regpairs_aligned(void *cpu_env
, int num
)
153 case TARGET_NR_pread64
:
154 case TARGET_NR_pwrite64
:
161 #elif defined(TARGET_XTENSA)
162 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 1; }
163 #elif defined(TARGET_HEXAGON)
164 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 1; }
166 static inline int regpairs_aligned(void *cpu_env
, int num
) { return 0; }
170 * preexit_cleanup: housekeeping before the guest exits
173 * code: the exit code
175 void preexit_cleanup(CPUArchState
*env
, int code
);
178 * Include target-specific struct and function definitions;
179 * they may need access to the target-independent structures
180 * above, so include them last.
182 #include "target_cpu.h"
183 #include "target_structs.h"