C++ (Cpp) target_strlenの例

コード例 #1

ファイル: linuxload.c プロジェクト: hackndev/qemu

/* Construct the envp and argv tables on the target stack.  */
target_ulong loader_build_argptr(int envc, int argc, target_ulong sp,
                                 target_ulong stringp, int push_ptr)
{
    int n = sizeof(target_ulong);
    target_ulong envp;
    target_ulong argv;

    sp -= (envc + 1) * n;
    envp = sp;
    sp -= (argc + 1) * n;
    argv = sp;
    if (push_ptr) {
        sp -= n; tputl(sp, envp);
        sp -= n; tputl(sp, argv);
    }
    sp -= n; tputl(sp, argc);

    while (argc-- > 0) {
        tputl(argv, stringp); argv += n;
        stringp += target_strlen(stringp) + 1;
    }
    tputl(argv, 0);
    while (envc-- > 0) {
        tputl(envp, stringp); envp += n;
        stringp += target_strlen(stringp) + 1;
    }
    tputl(envp, 0);

    return sp;
}

コード例 #2

ファイル: linuxload.c プロジェクト: Debug-Orz/qtrace

/* Construct the envp and argv tables on the target stack.  */
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
                              abi_ulong stringp, int push_ptr)
{
    CPUArchState *env = thread_cpu->env_ptr;
    TaskState *ts = (TaskState *)env->opaque;
    int n = sizeof(abi_ulong);
    abi_ulong envp;
    abi_ulong argv;

    sp -= (envc + 1) * n;
    envp = sp;
    sp -= (argc + 1) * n;
    argv = sp;
    if (push_ptr) {
        /* FIXME - handle put_user() failures */
        sp -= n;
        put_user_ual(envp, sp);
        sp -= n;
        put_user_ual(argv, sp);
    }
    sp -= n;
    /* FIXME - handle put_user() failures */
    put_user_ual(argc, sp);
#ifdef CONFIG_QTRACE_TAINT
    qtrace_taint_memory(env, sp, sizeof(target_ulong),
                        QTRACE_TAINT_LABEL_ARG);
#endif
    ts->info->arg_start = stringp;
    while (argc-- > 0) {
        /* FIXME - handle put_user() failures */
        put_user_ual(stringp, argv);
#ifdef CONFIG_QTRACE_TAINT
        qtrace_taint_memory(env, argv, target_strlen(stringp),
                            QTRACE_TAINT_LABEL_ARG);
#endif
        argv += n;
        stringp += target_strlen(stringp) + 1;
    }
    ts->info->arg_end = stringp;
    /* FIXME - handle put_user() failures */
    put_user_ual(0, argv);
    while (envc-- > 0) {
        /* FIXME - handle put_user() failures */
        put_user_ual(stringp, envp);
#ifdef CONFIG_QTRACE_TAINT
        qtrace_taint_memory(env, envp, target_strlen(stringp),
                            QTRACE_TAINT_LABEL_ENV);
#endif
        envp += n;
        stringp += target_strlen(stringp) + 1;
    }
    /* FIXME - handle put_user() failures */
    put_user_ual(0, envp);

    return sp;
}

コード例 #3

ファイル: linuxload.c プロジェクト: 32bitmicro/riscv-qemu

/* Construct the envp and argv tables on the target stack.  */
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
                              abi_ulong stringp, int push_ptr)
{
    TaskState *ts = (TaskState *)thread_cpu->opaque;
    int n = sizeof(abi_ulong);
    abi_ulong envp;
    abi_ulong argv;

    sp -= (envc + 1) * n;
    envp = sp;
    sp -= (argc + 1) * n;
    argv = sp;
    if (push_ptr) {
        /* FIXME - handle put_user() failures */
        sp -= n;
        put_user_ual(envp, sp);
        sp -= n;
        put_user_ual(argv, sp);
    }
    sp -= n;
    /* FIXME - handle put_user() failures */
    put_user_ual(argc, sp);
    ts->info->arg_start = stringp;
    while (argc-- > 0) {
        /* FIXME - handle put_user() failures */
        put_user_ual(stringp, argv);
        argv += n;
        stringp += target_strlen(stringp) + 1;
    }
    ts->info->arg_end = stringp;
    /* FIXME - handle put_user() failures */
    put_user_ual(0, argv);
    while (envc-- > 0) {
        /* FIXME - handle put_user() failures */
        put_user_ual(stringp, envp);
        envp += n;
        stringp += target_strlen(stringp) + 1;
    }
    /* FIXME - handle put_user() failures */
    put_user_ual(0, envp);

    return sp;
}

コード例 #4

ファイル: arm_syscall.cpp プロジェクト: BananaSlug/esesc

/* Like lock_user but for null terminated strings.  */
uint32_t *lock_user_string(ProgramBase *prog, uint32_t guest_addr)
{
  uint32_t len;

  len = target_strlen(prog, guest_addr);
  if (len < 0)
    return NULL;

  return lock_user(prog, guest_addr,(len + 1));
}

コード例 #5

ファイル: bsdload.c プロジェクト: 16aug/nvmeqemu

/* Construct the envp and argv tables on the target stack.  */
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
                              abi_ulong stringp, int push_ptr)
{
    int n = sizeof(abi_ulong);
    abi_ulong envp;
    abi_ulong argv;

    sp -= (envc + 1) * n;
    envp = sp;
    sp -= (argc + 1) * n;
    argv = sp;
    if (push_ptr) {
        /* FIXME - handle put_user() failures */
        sp -= n;
        put_user_ual(envp, sp);
        sp -= n;
        put_user_ual(argv, sp);
    }
    sp -= n;
    /* FIXME - handle put_user() failures */
    put_user_ual(argc, sp);

    while (argc-- > 0) {
        /* FIXME - handle put_user() failures */
        put_user_ual(stringp, argv);
        argv += n;
        stringp += target_strlen(stringp) + 1;
    }
    /* FIXME - handle put_user() failures */
    put_user_ual(0, argv);
    while (envc-- > 0) {
        /* FIXME - handle put_user() failures */
        put_user_ual(stringp, envp);
        envp += n;
        stringp += target_strlen(stringp) + 1;
    }
    /* FIXME - handle put_user() failures */
    put_user_ual(0, envp);

    return sp;
}