#ifndef GEMU_H #define GEMU_H #include "thunk.h" #include #include "syscall_defs.h" #include "cpu.h" #include "syscall.h" /* This struct is used to hold certain information about the image. * Basically, it replicates in user space what would be certain * task_struct fields in the kernel */ struct image_info { unsigned long start_code; unsigned long end_code; unsigned long end_data; unsigned long start_brk; unsigned long brk; unsigned long start_mmap; unsigned long mmap; unsigned long rss; unsigned long start_stack; unsigned long arg_start; unsigned long arg_end; unsigned long env_start; unsigned long env_end; unsigned long entry; int personality; }; #ifdef TARGET_I386 /* Information about the current linux thread */ struct vm86_saved_state { uint32_t eax; /* return code */ uint32_t ebx; uint32_t ecx; uint32_t edx; uint32_t esi; uint32_t edi; uint32_t ebp; uint32_t esp; uint32_t eflags; uint32_t eip; uint16_t cs, ss, ds, es, fs, gs; }; #endif #ifdef TARGET_ARM /* FPU emulator */ #include "nwfpe/fpa11.h" #undef put_user #undef get_user #endif /* NOTE: we force a big alignment so that the stack stored after is aligned too */ typedef struct TaskState { struct TaskState *next; #ifdef TARGET_ARM /* FPA state */ FPA11 fpa; #endif #ifdef TARGET_I386 struct target_vm86plus_struct *target_v86; struct vm86_saved_state vm86_saved_regs; struct target_vm86plus_struct vm86plus; uint32_t v86flags; uint32_t v86mask; #endif int used; /* non zero if used */ uint8_t stack[0]; } __attribute__((aligned(16))) TaskState; extern TaskState *first_task_state; int elf_exec(const char * filename, char ** argv, char ** envp, struct target_pt_regs * regs, struct image_info *infop); void target_set_brk(char *new_brk); void syscall_init(void); long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, long arg4, long arg5, long arg6); void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2))); extern CPUState *global_env; void cpu_loop(CPUState *env); void init_paths(const char *prefix); const char *path(const char *pathname); extern int loglevel; extern FILE *logfile; /* signal.c */ void process_pending_signals(void *cpu_env); void signal_init(void); int queue_signal(int sig, target_siginfo_t *info); void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info); void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo); long do_sigreturn(CPUState *env); long do_rt_sigreturn(CPUState *env); #ifdef TARGET_I386 /* vm86.c */ void save_v86_state(CPUX86State *env); void handle_vm86_trap(CPUX86State *env, int trapno); void handle_vm86_fault(CPUX86State *env); int do_vm86(CPUX86State *env, long subfunction, struct target_vm86plus_struct * target_v86); #endif /* mmap.c */ int target_mprotect(unsigned long start, unsigned long len, int prot); long target_mmap(unsigned long start, unsigned long len, int prot, int flags, int fd, unsigned long offset); int target_munmap(unsigned long start, unsigned long len); long target_mremap(unsigned long old_addr, unsigned long old_size, unsigned long new_size, unsigned long flags, unsigned long new_addr); int target_msync(unsigned long start, unsigned long len, int flags); #endif