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Diffstat (limited to 'qemu/bsd-user/qemu.h')
| -rw-r--r-- | qemu/bsd-user/qemu.h | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/qemu/bsd-user/qemu.h b/qemu/bsd-user/qemu.h deleted file mode 100644 index 03b502ad3..000000000 --- a/qemu/bsd-user/qemu.h +++ /dev/null @@ -1,414 +0,0 @@ -/* - * qemu bsd user mode definition - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ -#ifndef QEMU_H -#define QEMU_H - - -#include "cpu.h" -#include "exec/cpu_ldst.h" - -#undef DEBUG_REMAP -#ifdef DEBUG_REMAP -#endif /* DEBUG_REMAP */ - -#include "exec/user/abitypes.h" - -enum BSDType { - target_freebsd, - target_netbsd, - target_openbsd, -}; -extern enum BSDType bsd_type; - -#include "syscall_defs.h" -#include "target_syscall.h" -#include "target_signal.h" -#include "exec/gdbstub.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_addr; - abi_ulong start_code; - abi_ulong end_code; - abi_ulong start_data; - abi_ulong end_data; - abi_ulong start_brk; - abi_ulong brk; - abi_ulong start_mmap; - abi_ulong mmap; - abi_ulong rss; - abi_ulong start_stack; - abi_ulong entry; - abi_ulong code_offset; - abi_ulong data_offset; - int personality; -}; - -#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; - int used; /* non zero if used */ - struct image_info *info; - - 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 */ - - uint8_t stack[0]; -} __attribute__((aligned(16))) TaskState; - -void init_task_state(TaskState *ts); -extern const char *qemu_uname_release; -extern unsigned long mmap_min_addr; - -/* ??? See if we can avoid exposing so much of the loader internals. */ -/* - * MAX_ARG_PAGES defines the number of pages allocated for arguments - * 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 - -/* - * This structure is used to hold the arguments that are - * used when loading binaries. - */ -struct linux_binprm { - char buf[128]; - void *page[MAX_ARG_PAGES]; - abi_ulong p; - int fd; - int e_uid, e_gid; - int argc, envc; - char **argv; - char **envp; - char * filename; /* Name of binary */ -}; - -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); - -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); - -abi_long memcpy_to_target(abi_ulong dest, const void *src, - unsigned long len); -void target_set_brk(abi_ulong new_brk); -abi_long do_brk(abi_ulong new_brk); -void syscall_init(void); -abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, - abi_long arg2, abi_long arg3, abi_long arg4, - abi_long arg5, abi_long arg6, abi_long arg7, - abi_long arg8); -abi_long do_netbsd_syscall(void *cpu_env, int num, abi_long arg1, - abi_long arg2, abi_long arg3, abi_long arg4, - abi_long arg5, abi_long arg6); -abi_long do_openbsd_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, ...) GCC_FMT_ATTR(1, 2); -extern THREAD CPUState *thread_cpu; -void cpu_loop(CPUArchState *env); -char *target_strerror(int err); -int get_osversion(void); -void fork_start(void); -void fork_end(int child); - -#include "qemu/log.h" - -/* strace.c */ -struct syscallname { - int nr; - const char *name; - const char *format; - void (*call)(const struct syscallname *, - abi_long, abi_long, abi_long, - abi_long, abi_long, abi_long); - void (*result)(const struct syscallname *, abi_long); -}; - -void -print_freebsd_syscall(int num, - abi_long arg1, abi_long arg2, abi_long arg3, - abi_long arg4, abi_long arg5, abi_long arg6); -void print_freebsd_syscall_ret(int num, abi_long ret); -void -print_netbsd_syscall(int num, - abi_long arg1, abi_long arg2, abi_long arg3, - abi_long arg4, abi_long arg5, abi_long arg6); -void print_netbsd_syscall_ret(int num, abi_long ret); -void -print_openbsd_syscall(int num, - abi_long arg1, abi_long arg2, abi_long arg3, - abi_long arg4, abi_long arg5, abi_long arg6); -void print_openbsd_syscall_ret(int num, abi_long ret); -extern int do_strace; - -/* signal.c */ -void process_pending_signals(CPUArchState *cpu_env); -void signal_init(void); -//int queue_signal(CPUArchState *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); -long do_sigreturn(CPUArchState *env); -long do_rt_sigreturn(CPUArchState *env); -abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp); - -/* mmap.c */ -int target_mprotect(abi_ulong start, abi_ulong len, int prot); -abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, - int flags, int fd, abi_ulong offset); -int target_munmap(abi_ulong start, abi_ulong len); -abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, - 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 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 x86_stack_size; - -/* user access */ - -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 /* implies read access */ - -static inline int access_ok(int type, abi_ulong addr, abi_ulong size) -{ - return page_check_range((target_ulong)addr, size, - (type == VERIFY_READ) ? PAGE_READ : (PAGE_READ | PAGE_WRITE)) == 0; -} - -/* NOTE __get_user and __put_user use host pointers and don't check access. */ -/* These are usually used to access struct data members once the - * struct has been locked - usually with lock_user_struct(). - */ -#define __put_user(x, hptr)\ -({\ - int size = sizeof(*hptr);\ - switch(size) {\ - case 1:\ - *(uint8_t *)(hptr) = (uint8_t)(typeof(*hptr))(x);\ - break;\ - case 2:\ - *(uint16_t *)(hptr) = tswap16((typeof(*hptr))(x));\ - break;\ - case 4:\ - *(uint32_t *)(hptr) = tswap32((typeof(*hptr))(x));\ - break;\ - case 8:\ - *(uint64_t *)(hptr) = tswap64((typeof(*hptr))(x));\ - break;\ - default:\ - abort();\ - }\ - 0;\ -}) - -#define __get_user(x, hptr) \ -({\ - int size = sizeof(*hptr);\ - switch(size) {\ - case 1:\ - x = (typeof(*hptr))*(uint8_t *)(hptr);\ - break;\ - case 2:\ - x = (typeof(*hptr))tswap16(*(uint16_t *)(hptr));\ - break;\ - case 4:\ - x = (typeof(*hptr))tswap32(*(uint32_t *)(hptr));\ - break;\ - case 8:\ - x = (typeof(*hptr))tswap64(*(uint64_t *)(hptr));\ - break;\ - default:\ - /* avoid warning */\ - x = 0;\ - abort();\ - }\ - 0;\ -}) - -/* put_user()/get_user() take a guest address and check access */ -/* These are usually used to access an atomic data type, such as an int, - * that has been passed by address. These internally perform locking - * and unlocking on the data type. - */ -#define put_user(x, gaddr, target_type) \ -({ \ - abi_ulong __gaddr = (gaddr); \ - target_type *__hptr; \ - abi_long __ret; \ - if ((__hptr = lock_user(VERIFY_WRITE, __gaddr, sizeof(target_type), 0))) { \ - __ret = __put_user((x), __hptr); \ - unlock_user(__hptr, __gaddr, sizeof(target_type)); \ - } else \ - __ret = -TARGET_EFAULT; \ - __ret; \ -}) - -#define get_user(x, gaddr, target_type) \ -({ \ - abi_ulong __gaddr = (gaddr); \ - target_type *__hptr; \ - abi_long __ret; \ - if ((__hptr = lock_user(VERIFY_READ, __gaddr, sizeof(target_type), 1))) { \ - __ret = __get_user((x), __hptr); \ - unlock_user(__hptr, __gaddr, 0); \ - } 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_from_user(void *hptr, abi_ulong gaddr, size_t len); -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 necessary. The lock_user function - gets a pointer to a contiguous area of guest memory, but does not perform - any byteswapping. lock_user may return either a pointer to the guest - memory, or a temporary buffer. */ - -/* Lock an area of guest memory into the host. If copy is true then the - host area will have the same contents as the guest. */ -static inline void *lock_user(int type, abi_ulong guest_addr, long len, int copy) -{ - if (!access_ok(type, guest_addr, len)) - return NULL; -#ifdef DEBUG_REMAP - { - void *addr; - addr = malloc(len); - if (copy) - memcpy(addr, g2h(guest_addr), len); - else - memset(addr, 0, len); - return addr; - } -#else - return g2h(guest_addr); -#endif -} - -/* Unlock an area of guest memory. The first LEN bytes must be - 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) -{ - -#ifdef DEBUG_REMAP - if (!host_ptr) - return; - if (host_ptr == g2h(guest_addr)) - return; - if (len > 0) - memcpy(g2h(guest_addr), host_ptr, len); - free(host_ptr); -#endif -} - -/* Return the length of a string in target memory or -TARGET_EFAULT if - access error. */ -abi_long target_strlen(abi_ulong gaddr); - -/* Like lock_user but for null terminated strings. */ -static inline void *lock_user_string(abi_ulong guest_addr) -{ - abi_long len; - len = target_strlen(guest_addr); - if (len < 0) - return NULL; - return lock_user(VERIFY_READ, guest_addr, (long)(len + 1), 1); -} - -/* Helper macros for locking/unlocking a target struct. */ -#define lock_user_struct(type, host_ptr, guest_addr, copy) \ - (host_ptr = lock_user(type, guest_addr, sizeof(*host_ptr), copy)) -#define unlock_user_struct(host_ptr, guest_addr, copy) \ - unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0) - -#if defined(CONFIG_USE_NPTL) -#include <pthread.h> -#endif - -#endif /* QEMU_H */ |