git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@69 c046a42c-6fe2-441c-8c8c-71466251a162
		
			
				
	
	
		
			80 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef GEMU_H
 | 
						|
#define GEMU_H
 | 
						|
 | 
						|
#include "thunk.h"
 | 
						|
 | 
						|
#include <signal.h>
 | 
						|
#include "syscall_defs.h"
 | 
						|
 | 
						|
#ifdef TARGET_I386
 | 
						|
#include "cpu-i386.h"
 | 
						|
#include "syscall-i386.h"
 | 
						|
#endif
 | 
						|
 | 
						|
/* 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;
 | 
						|
};
 | 
						|
 | 
						|
/* 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;
 | 
						|
};
 | 
						|
 | 
						|
/* NOTE: we force a big alignment so that the stack stored after is
 | 
						|
   aligned too */
 | 
						|
typedef struct TaskState {
 | 
						|
    struct TaskState *next;
 | 
						|
    struct target_vm86plus_struct *target_v86;
 | 
						|
    struct vm86_saved_state vm86_saved_regs;
 | 
						|
    int used; /* non zero if used */
 | 
						|
    uint8_t stack[0];
 | 
						|
} __attribute__((aligned(16))) TaskState;
 | 
						|
 | 
						|
extern TaskState *first_task_state;
 | 
						|
 | 
						|
int elf_exec(const char *interp_prefix, 
 | 
						|
             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 CPUX86State *global_env;
 | 
						|
void cpu_loop(CPUX86State *env);
 | 
						|
void process_pending_signals(void *cpu_env);
 | 
						|
void signal_init(void);
 | 
						|
int queue_signal(int sig, target_siginfo_t *info);
 | 
						|
void save_v86_state(CPUX86State *env);
 | 
						|
 | 
						|
#endif
 |