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- Committer: ths
- Date: 2007-01-18 20:06:33 UTC
- Revision ID: git-v1:831b78254cfa752d5e6542542a663468e650bcb3
Darwin userspace emulation, by Pierre d'Herbemont.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2332 c046a42c-6fe2-441c-8c8c-71466251a162
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2332 c046a42c-6fe2-441c-8c8c-71466251a162
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darwin-user/qemu.h
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#ifndef GEMU_H
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#define GEMU_H
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#include "thunk.h"
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#include <signal.h>
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#include <string.h>
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#include "cpu.h"
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#include "gdbstub.h"
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typedef siginfo_t target_siginfo_t;
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#define target_sigaction sigaction
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#ifdef TARGET_I386
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struct target_pt_regs {
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long ebx;
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long ecx;
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long edx;
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long esi;
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long edi;
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long ebp;
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long eax;
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int xds;
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int xes;
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long orig_eax;
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long eip;
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int xcs;
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long eflags;
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long esp;
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int xss;
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};
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struct target_sigcontext {
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int sc_onstack;
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int sc_mask;
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int sc_eax;
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int sc_ebx;
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int sc_ecx;
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int sc_edx;
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int sc_edi;
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int sc_esi;
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int sc_ebp;
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int sc_esp;
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int sc_ss;
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int sc_eflags;
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int sc_eip;
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int sc_cs;
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int sc_ds;
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int sc_es;
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int sc_fs;
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int sc_gs;
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};
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#define __USER_CS (0x17)
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#define __USER_DS (0x1F)
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#elif defined(TARGET_PPC)
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struct target_pt_regs {
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unsigned long gpr[32];
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unsigned long nip;
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unsigned long msr;
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unsigned long orig_gpr3; /* Used for restarting system calls */
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unsigned long ctr;
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unsigned long link;
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unsigned long xer;
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unsigned long ccr;
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unsigned long mq; /* 601 only (not used at present) */
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/* Used on APUS to hold IPL value. */
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unsigned long trap; /* Reason for being here */
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unsigned long dar; /* Fault registers */
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unsigned long dsisr;
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unsigned long result; /* Result of a system call */
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};
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struct target_sigcontext {
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int sc_onstack; /* sigstack state to restore */
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int sc_mask; /* signal mask to restore */
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int sc_ir; /* pc */
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int sc_psw; /* processor status word */
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int sc_sp; /* stack pointer if sc_regs == NULL */
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void *sc_regs; /* (kernel private) saved state */
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};
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#endif
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typedef struct TaskState {
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struct TaskState *next;
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int used; /* non zero if used */
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uint8_t stack[0];
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} __attribute__((aligned(16))) TaskState;
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void syscall_init(void);
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long do_mach_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3,
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uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7, uint32_t arg8);
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long do_thread_syscall(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3,
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uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7, uint32_t arg8);
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long do_unix_syscall(void *cpu_env, int num);
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int do_sigaction(int sig, const struct sigaction *act,
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struct sigaction *oact);
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int do_sigaltstack(const struct sigaltstack *ss, struct sigaltstack *oss);
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void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2)));
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void qerror(const char *fmt, ...);
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void write_dt(void *ptr, unsigned long addr, unsigned long limit, int flags);
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extern CPUState *global_env;
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void cpu_loop(CPUState *env);
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void init_paths(const char *prefix);
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const char *path(const char *pathname);
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extern int loglevel;
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extern FILE *logfile;
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/* commpage.c */
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void commpage_init();
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void do_commpage(void *cpu_env, int num, uint32_t arg1, uint32_t arg2, uint32_t arg3,
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uint32_t arg4, uint32_t arg5, uint32_t arg6, uint32_t arg7, uint32_t arg8);
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/* signal.c */
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void process_pending_signals(void *cpu_env);
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void signal_init(void);
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int queue_signal(int sig, target_siginfo_t *info);
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void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
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void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
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long do_sigreturn(CPUState *env, int num);
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/* machload.c */
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int mach_exec(const char * filename, char ** argv, char ** envp,
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struct target_pt_regs * regs);
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/* mmap.c */
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int target_mprotect(unsigned long start, unsigned long len, int prot);
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long target_mmap(unsigned long start, unsigned long len, int prot,
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int flags, int fd, unsigned long offset);
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int target_munmap(unsigned long start, unsigned long len);
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long target_mremap(unsigned long old_addr, unsigned long old_size,
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unsigned long new_size, unsigned long flags,
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unsigned long new_addr);
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int target_msync(unsigned long start, unsigned long len, int flags);
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/* user access */
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/* XXX: todo protect every memory access */
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#define lock_user(x,y,z) (void*)(x)
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#define unlock_user(x,y,z)
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/* Mac OS X ABI arguments processing */
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#ifdef TARGET_I386
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static inline uint32_t get_int_arg(int *i, CPUX86State *cpu_env)
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{
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uint32_t *args = (uint32_t*)(cpu_env->regs[R_ESP] + 4 + *i);
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*i+=4;
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return tswap32(*args);
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}
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static inline uint64_t get_int64_arg(int *i, CPUX86State *cpu_env)
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{
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uint64_t *args = (uint64_t*)(cpu_env->regs[R_ESP] + 4 + *i);
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*i+=8;
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return tswap64(*args);
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}
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#elif defined(TARGET_PPC)
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static inline uint32_t get_int_arg(int *i, CPUPPCState *cpu_env)
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{
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/* XXX: won't work when args goes on stack after gpr10 */
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uint32_t args = (uint32_t)(cpu_env->gpr[3+(*i & 0xff)/4]);
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*i+=4;
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return tswap32(args);
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}
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static inline uint64_t get_int64_arg(int *i, CPUPPCState *cpu_env)
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{
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/* XXX: won't work when args goes on stack after gpr10 */
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uint64_t args = (uint64_t)(cpu_env->fpr[1+(*i >> 8)/8]);
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*i+=(8 << 8) + 8;
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return tswap64(args);
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}
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#endif
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#endif
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