]>
Commit | Line | Data |
---|---|---|
1 | #ifndef GEMU_H | |
2 | #define GEMU_H | |
3 | ||
4 | #include "thunk.h" | |
5 | ||
6 | #include <signal.h> | |
7 | #include "syscall_defs.h" | |
8 | ||
9 | #ifdef TARGET_I386 | |
10 | #include "cpu-i386.h" | |
11 | #include "syscall-i386.h" | |
12 | #endif | |
13 | ||
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 | |
17 | */ | |
18 | struct image_info { | |
19 | unsigned long start_code; | |
20 | unsigned long end_code; | |
21 | unsigned long end_data; | |
22 | unsigned long start_brk; | |
23 | unsigned long brk; | |
24 | unsigned long start_mmap; | |
25 | unsigned long mmap; | |
26 | unsigned long rss; | |
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; | |
32 | unsigned long entry; | |
33 | int personality; | |
34 | }; | |
35 | ||
36 | /* Information about the current linux thread */ | |
37 | struct vm86_saved_state { | |
38 | uint32_t eax; /* return code */ | |
39 | uint32_t ebx; | |
40 | uint32_t ecx; | |
41 | uint32_t edx; | |
42 | uint32_t esi; | |
43 | uint32_t edi; | |
44 | uint32_t ebp; | |
45 | uint32_t esp; | |
46 | uint32_t eflags; | |
47 | uint32_t eip; | |
48 | uint16_t cs, ss, ds, es, fs, gs; | |
49 | }; | |
50 | ||
51 | /* NOTE: we force a big alignment so that the stack stored after is | |
52 | aligned too */ | |
53 | typedef struct TaskState { | |
54 | struct TaskState *next; | |
55 | struct target_vm86plus_struct *target_v86; | |
56 | struct vm86_saved_state vm86_saved_regs; | |
57 | uint32_t v86flags; | |
58 | uint32_t v86mask; | |
59 | int used; /* non zero if used */ | |
60 | uint8_t stack[0]; | |
61 | } __attribute__((aligned(16))) TaskState; | |
62 | ||
63 | extern TaskState *first_task_state; | |
64 | ||
65 | int elf_exec(const char * filename, char ** argv, char ** envp, | |
66 | struct target_pt_regs * regs, struct image_info *infop); | |
67 | ||
68 | void target_set_brk(char *new_brk); | |
69 | void syscall_init(void); | |
70 | long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, | |
71 | long arg4, long arg5, long arg6); | |
72 | void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2))); | |
73 | extern CPUX86State *global_env; | |
74 | void cpu_loop(CPUX86State *env); | |
75 | void process_pending_signals(void *cpu_env); | |
76 | void signal_init(void); | |
77 | int queue_signal(int sig, target_siginfo_t *info); | |
78 | void init_paths(const char *prefix); | |
79 | const char *path(const char *pathname); | |
80 | ||
81 | extern int loglevel; | |
82 | extern FILE *logfile; | |
83 | ||
84 | /* vm86.c */ | |
85 | void save_v86_state(CPUX86State *env); | |
86 | void handle_vm86_trap(CPUX86State *env, int trapno); | |
87 | void handle_vm86_fault(CPUX86State *env); | |
88 | int do_vm86(CPUX86State *env, long subfunction, | |
89 | struct target_vm86plus_struct * target_v86); | |
90 | ||
91 | /* mmap.c */ | |
92 | int target_mprotect(unsigned long start, unsigned long len, int prot); | |
93 | long target_mmap(unsigned long start, unsigned long len, int prot, | |
94 | int flags, int fd, unsigned long offset); | |
95 | int target_munmap(unsigned long start, unsigned long len); | |
96 | long target_mremap(unsigned long old_addr, unsigned long old_size, | |
97 | unsigned long new_size, unsigned long flags, | |
98 | unsigned long new_addr); | |
99 | int target_msync(unsigned long start, unsigned long len, int flags); | |
100 | ||
101 | #endif |