7 #include "syscall_defs.h"
11 #include "syscall-i386.h"
14 /* This struct is used to hold certain information about the image.
15 * Basically, it replicates in user space what would be certain
16 * task_struct fields in the kernel
19 unsigned long start_code
;
20 unsigned long end_code
;
21 unsigned long end_data
;
22 unsigned long start_brk
;
24 unsigned long start_mmap
;
27 unsigned long start_stack
;
28 unsigned long arg_start
;
29 unsigned long arg_end
;
30 unsigned long env_start
;
31 unsigned long env_end
;
36 /* Information about the current linux thread */
37 struct vm86_saved_state
{
38 uint32_t eax
; /* return code */
48 uint16_t cs
, ss
, ds
, es
, fs
, gs
;
51 /* NOTE: we force a big alignment so that the stack stored after is
53 typedef struct TaskState
{
54 struct TaskState
*next
;
55 struct target_vm86plus_struct
*target_v86
;
56 struct vm86_saved_state vm86_saved_regs
;
57 int used
; /* non zero if used */
59 } __attribute__((aligned(16))) TaskState
;
61 extern TaskState
*first_task_state
;
63 int elf_exec(const char *interp_prefix
,
64 const char * filename
, char ** argv
, char ** envp
,
65 struct target_pt_regs
* regs
, struct image_info
*infop
);
67 void target_set_brk(char *new_brk
);
68 void syscall_init(void);
69 long do_syscall(void *cpu_env
, int num
, long arg1
, long arg2
, long arg3
,
70 long arg4
, long arg5
, long arg6
);
71 void gemu_log(const char *fmt
, ...) __attribute__((format(printf
,1,2)));
72 extern CPUX86State
*global_env
;
73 void cpu_loop(CPUX86State
*env
);
74 void process_pending_signals(void *cpu_env
);
75 void signal_init(void);
76 int queue_signal(int sig
, target_siginfo_t
*info
);
77 void save_v86_state(CPUX86State
*env
);