#include "cpu.h"
-#ifdef TARGET_ABI32
-typedef uint32_t abi_ulong;
-typedef int32_t abi_long;
-#define TARGET_ABI_FMT_lx "%08x"
-#define TARGET_ABI_FMT_ld "%d"
-#define TARGET_ABI_FMT_lu "%u"
-#define TARGET_ABI_BITS 32
-#else
-typedef target_ulong abi_ulong;
-typedef target_long abi_long;
-#define TARGET_ABI_FMT_lx TARGET_FMT_lx
-#define TARGET_ABI_FMT_ld TARGET_FMT_ld
-#define TARGET_ABI_FMT_lu TARGET_FMT_lu
-#define TARGET_ABI_BITS TARGET_LONG_BITS
-#endif
+#undef DEBUG_REMAP
+#ifdef DEBUG_REMAP
+#include <stdlib.h>
+#endif /* DEBUG_REMAP */
+
+#include "qemu-types.h"
#include "thunk.h"
#include "syscall_defs.h"
#include "syscall.h"
#include "target_signal.h"
#include "gdbstub.h"
+#include "qemu-queue.h"
+
+#if defined(CONFIG_USE_NPTL)
+#define THREAD __thread
+#else
+#define THREAD
+#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 {
+ abi_ulong load_bias;
abi_ulong load_addr;
abi_ulong start_code;
abi_ulong end_code;
abi_ulong mmap;
abi_ulong rss;
abi_ulong start_stack;
+ abi_ulong stack_limit;
abi_ulong entry;
abi_ulong code_offset;
abi_ulong data_offset;
- char **host_argv;
+ abi_ulong saved_auxv;
+ abi_ulong arg_start;
+ abi_ulong arg_end;
int personality;
+#ifdef CONFIG_USE_FDPIC
+ abi_ulong loadmap_addr;
+ uint16_t nsegs;
+ void *loadsegs;
+ abi_ulong pt_dynamic_addr;
+ struct image_info *other_info;
+#endif
};
#ifdef TARGET_I386
#include "nwfpe/fpa11.h"
#endif
+#define MAX_SIGQUEUE_SIZE 1024
+
+struct sigqueue {
+ struct sigqueue *next;
+ target_siginfo_t info;
+};
+
+struct emulated_sigtable {
+ int pending; /* true if signal is pending */
+ struct sigqueue *first;
+ struct sigqueue info; /* in order to always have memory for the
+ first signal, we put it here */
+};
+
/* NOTE: we force a big alignment so that the stack stored after is
aligned too */
typedef struct TaskState {
- struct TaskState *next;
+ pid_t ts_tid; /* tid (or pid) of this task */
#ifdef TARGET_ARM
/* FPA state */
FPA11 fpa;
int swi_errno;
#endif
+#ifdef TARGET_UNICORE32
+ int swi_errno;
+#endif
#if defined(TARGET_I386) && !defined(TARGET_X86_64)
abi_ulong target_v86;
struct vm86_saved_state vm86_saved_regs;
uint32_t v86flags;
uint32_t v86mask;
#endif
+#ifdef CONFIG_USE_NPTL
+ abi_ulong child_tidptr;
+#endif
#ifdef TARGET_M68K
int sim_syscalls;
#endif
-#if defined(TARGET_ARM) || defined(TARGET_M68K)
+#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
/* Extra fields for semihosted binaries. */
uint32_t stack_base;
uint32_t heap_base;
#endif
int used; /* non zero if used */
struct image_info *info;
- uint8_t stack[0];
+ struct linux_binprm *bprm;
+
+ struct emulated_sigtable sigtab[TARGET_NSIG];
+ struct sigqueue sigqueue_table[MAX_SIGQUEUE_SIZE]; /* siginfo queue */
+ struct sigqueue *first_free; /* first free siginfo queue entry */
+ int signal_pending; /* non zero if a signal may be pending */
} __attribute__((aligned(16))) TaskState;
-extern TaskState *first_task_state;
+extern char *exec_path;
+void init_task_state(TaskState *ts);
+void task_settid(TaskState *);
+void stop_all_tasks(void);
extern const char *qemu_uname_release;
+extern unsigned long mmap_min_addr;
/* ??? See if we can avoid exposing so much of the loader internals. */
/*
* and envelope for the new program. 32 should suffice, this gives
* a maximum env+arg of 128kB w/4KB pages!
*/
-#define MAX_ARG_PAGES 32
+#define MAX_ARG_PAGES 33
+
+/* Read a good amount of data initially, to hopefully get all the
+ program headers loaded. */
+#define BPRM_BUF_SIZE 1024
/*
* This structure is used to hold the arguments that are
* used when loading binaries.
*/
struct linux_binprm {
- char buf[128];
+ char buf[BPRM_BUF_SIZE] __attribute__((aligned));
void *page[MAX_ARG_PAGES];
abi_ulong p;
int fd;
char **argv;
char **envp;
char * filename; /* Name of binary */
+ int (*core_dump)(int, const CPUState *); /* coredump routine */
};
void do_init_thread(struct target_pt_regs *regs, struct image_info *infop);
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
abi_ulong stringp, int push_ptr);
int loader_exec(const char * filename, char ** argv, char ** envp,
- struct target_pt_regs * regs, struct image_info *infop);
+ struct target_pt_regs * regs, struct image_info *infop,
+ struct linux_binprm *);
int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
struct image_info * info);
int load_flt_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
struct image_info * info);
-#ifdef TARGET_HAS_ELFLOAD32
-int load_elf_binary_multi(struct linux_binprm *bprm,
- struct target_pt_regs *regs,
- struct image_info *info);
-#endif
abi_long memcpy_to_target(abi_ulong dest, const void *src,
unsigned long len);
void syscall_init(void);
abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
- abi_long arg5, abi_long arg6);
-void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2)));
-extern CPUState *global_env;
+ abi_long arg5, abi_long arg6, abi_long arg7,
+ abi_long arg8);
+void gemu_log(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+extern THREAD CPUState *thread_env;
void cpu_loop(CPUState *env);
-void init_paths(const char *prefix);
-const char *path(const char *pathname);
char *target_strerror(int err);
+int get_osversion(void);
+void fork_start(void);
+void fork_end(int child);
-extern int loglevel;
-extern FILE *logfile;
+#include "qemu-log.h"
/* strace.c */
void print_syscall(int num,
extern int do_strace;
/* signal.c */
-void process_pending_signals(void *cpu_env);
+void process_pending_signals(CPUState *cpu_env);
void signal_init(void);
-int queue_signal(int sig, target_siginfo_t *info);
+int queue_signal(CPUState *env, 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);
+int target_to_host_signal(int sig);
+int host_to_target_signal(int sig);
long do_sigreturn(CPUState *env);
long do_rt_sigreturn(CPUState *env);
abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp);
abi_ulong new_size, unsigned long flags,
abi_ulong new_addr);
int target_msync(abi_ulong start, abi_ulong len, int flags);
+extern unsigned long last_brk;
+void mmap_lock(void);
+void mmap_unlock(void);
+abi_ulong mmap_find_vma(abi_ulong, abi_ulong);
+void cpu_list_lock(void);
+void cpu_list_unlock(void);
+#if defined(CONFIG_USE_NPTL)
+void mmap_fork_start(void);
+void mmap_fork_end(int child);
+#endif
+
+/* main.c */
+extern unsigned long guest_stack_size;
/* user access */
*/
#define __put_user(x, hptr)\
({\
- int size = sizeof(*hptr);\
- switch(size) {\
+ switch(sizeof(*hptr)) {\
case 1:\
- *(uint8_t *)(hptr) = (typeof(*hptr))(x);\
+ *(uint8_t *)(hptr) = (uint8_t)(typeof(*hptr))(x);\
break;\
case 2:\
- *(uint16_t *)(hptr) = tswap16((typeof(*hptr))(x));\
+ *(uint16_t *)(hptr) = tswap16((uint16_t)(typeof(*hptr))(x));\
break;\
case 4:\
- *(uint32_t *)(hptr) = tswap32((typeof(*hptr))(x));\
+ *(uint32_t *)(hptr) = tswap32((uint32_t)(typeof(*hptr))(x));\
break;\
case 8:\
*(uint64_t *)(hptr) = tswap64((typeof(*hptr))(x));\
#define __get_user(x, hptr) \
({\
- int size = sizeof(*hptr);\
- switch(size) {\
+ switch(sizeof(*hptr)) {\
case 1:\
x = (typeof(*hptr))*(uint8_t *)(hptr);\
break;\
x = (typeof(*hptr))tswap64(*(uint64_t *)(hptr));\
break;\
default:\
+ /* avoid warning */\
+ x = 0;\
abort();\
}\
0;\
if ((__hptr = lock_user(VERIFY_READ, __gaddr, sizeof(target_type), 1))) { \
__ret = __get_user((x), __hptr); \
unlock_user(__hptr, __gaddr, 0); \
- } else \
+ } else { \
+ /* avoid warning */ \
+ (x) = 0; \
__ret = -TARGET_EFAULT; \
+ } \
__ret; \
})
+#define put_user_ual(x, gaddr) put_user((x), (gaddr), abi_ulong)
+#define put_user_sal(x, gaddr) put_user((x), (gaddr), abi_long)
+#define put_user_u64(x, gaddr) put_user((x), (gaddr), uint64_t)
+#define put_user_s64(x, gaddr) put_user((x), (gaddr), int64_t)
+#define put_user_u32(x, gaddr) put_user((x), (gaddr), uint32_t)
+#define put_user_s32(x, gaddr) put_user((x), (gaddr), int32_t)
+#define put_user_u16(x, gaddr) put_user((x), (gaddr), uint16_t)
+#define put_user_s16(x, gaddr) put_user((x), (gaddr), int16_t)
+#define put_user_u8(x, gaddr) put_user((x), (gaddr), uint8_t)
+#define put_user_s8(x, gaddr) put_user((x), (gaddr), int8_t)
+
+#define get_user_ual(x, gaddr) get_user((x), (gaddr), abi_ulong)
+#define get_user_sal(x, gaddr) get_user((x), (gaddr), abi_long)
+#define get_user_u64(x, gaddr) get_user((x), (gaddr), uint64_t)
+#define get_user_s64(x, gaddr) get_user((x), (gaddr), int64_t)
+#define get_user_u32(x, gaddr) get_user((x), (gaddr), uint32_t)
+#define get_user_s32(x, gaddr) get_user((x), (gaddr), int32_t)
+#define get_user_u16(x, gaddr) get_user((x), (gaddr), uint16_t)
+#define get_user_s16(x, gaddr) get_user((x), (gaddr), int16_t)
+#define get_user_u8(x, gaddr) get_user((x), (gaddr), uint8_t)
+#define get_user_s8(x, gaddr) get_user((x), (gaddr), int8_t)
+
/* copy_from_user() and copy_to_user() are usually used to copy data
* buffers between the target and host. These internally perform
* locking/unlocking of the memory.
abi_long copy_to_user(abi_ulong gaddr, void *hptr, size_t len);
/* Functions for accessing guest memory. The tget and tput functions
- read/write single values, byteswapping as neccessary. The lock_user
+ read/write single values, byteswapping as necessary. The lock_user
gets a pointer to a contiguous area of guest memory, but does not perform
and byteswapping. lock_user may return either a pointer to the guest
memory, or a temporary buffer. */
}
/* Unlock an area of guest memory. The first LEN bytes must be
- flushed back to guest memory. host_ptr = NULL is explicitely
+ flushed back to guest memory. host_ptr = NULL is explicitly
allowed and does nothing. */
static inline void unlock_user(void *host_ptr, abi_ulong guest_addr,
long len)
if (host_ptr == g2h(guest_addr))
return;
if (len > 0)
- memcpy(g2h(guest_ptr), host_ptr, len);
+ memcpy(g2h(guest_addr), host_ptr, len);
free(host_ptr);
#endif
}
#define unlock_user_struct(host_ptr, guest_addr, copy) \
unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0)
-#define tget8(addr) ldub(addr)
-#define tput8(addr, val) stb(addr, val)
-#define tget16(addr) lduw(addr)
-#define tput16(addr, val) stw(addr, val)
-#define tget32(addr) ldl(addr)
-#define tput32(addr, val) stl(addr, val)
-#define tget64(addr) ldq(addr)
-#define tput64(addr, val) stq(addr, val)
-#if TARGET_ABI_BITS == 64
-#define tgetl(addr) ldq(addr)
-#define tputl(addr, val) stq(addr, val)
-#else
-#define tgetl(addr) ldl(addr)
-#define tputl(addr, val) stl(addr, val)
+#if defined(CONFIG_USE_NPTL)
+#include <pthread.h>
#endif
#endif /* QEMU_H */