#include "thunk.h"
-#ifdef TARGET_I386
-
-/* default linux values for the selectors */
-#define __USER_CS (0x23)
-#define __USER_DS (0x2B)
-
-struct target_pt_regs {
- long ebx;
- long ecx;
- long edx;
- long esi;
- long edi;
- long ebp;
- long eax;
- int xds;
- int xes;
- long orig_eax;
- long eip;
- int xcs;
- long eflags;
- long esp;
- int xss;
-};
+#include <signal.h>
+#include "syscall_defs.h"
+#if defined(TARGET_I386)
+#include "cpu-i386.h"
+#include "syscall-i386.h"
+#elif defined(TARGET_ARM)
+#include "cpu-arm.h"
+#include "syscall-arm.h"
+#else
+#error unsupported target CPU
#endif
/* This struct is used to hold certain information about the image.
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
+
+/* NOTE: we force a big alignment so that the stack stored after is
+ aligned too */
+typedef struct TaskState {
+ struct TaskState *next;
+#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);
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)));
-struct CPUX86State;
-void cpu_loop(struct CPUX86State *env);
+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