/* * User address space access functions. * * Copyright 1997 Andi Kleen * Copyright 1997 Linus Torvalds * Copyright 2002 Andi Kleen */ #include #include #include unsigned long __copy_to_user_ll(void __user *to, const void *from, unsigned n) { unsigned long __d0, __d1, __d2, __n = n; asm volatile ( " cmp $"STR(2*BYTES_PER_LONG-1)",%0\n" " jbe 1f\n" " mov %1,%0\n" " neg %0\n" " and $"STR(BYTES_PER_LONG-1)",%0\n" " sub %0,%3\n" "4: rep movsb\n" /* make 'to' address aligned */ " mov %3,%0\n" " shr $"STR(LONG_BYTEORDER)",%0\n" " and $"STR(BYTES_PER_LONG-1)",%3\n" " .align 2,0x90\n" "0: rep movs"__OS"\n" /* as many words as possible... */ " mov %3,%0\n" "1: rep movsb\n" /* ...remainder copied as bytes */ "2:\n" ".section .fixup,\"ax\"\n" "5: add %3,%0\n" " jmp 2b\n" "3: lea 0(%3,%0,"STR(BYTES_PER_LONG)"),%0\n" " jmp 2b\n" ".previous\n" ".section __ex_table,\"a\"\n" " "__FIXUP_ALIGN"\n" " "__FIXUP_WORD" 4b,5b\n" " "__FIXUP_WORD" 0b,3b\n" " "__FIXUP_WORD" 1b,2b\n" ".previous" : "=&c" (__n), "=&D" (__d0), "=&S" (__d1), "=&r" (__d2) : "0" (__n), "1" (to), "2" (from), "3" (__n) : "memory" ); return __n; } unsigned long __copy_from_user_ll(void *to, const void __user *from, unsigned n) { unsigned long __d0, __d1, __d2, __n = n; asm volatile ( " cmp $"STR(2*BYTES_PER_LONG-1)",%0\n" " jbe 1f\n" " mov %1,%0\n" " neg %0\n" " and $"STR(BYTES_PER_LONG-1)",%0\n" " sub %0,%3\n" "4: rep; movsb\n" /* make 'to' address aligned */ " mov %3,%0\n" " shr $"STR(LONG_BYTEORDER)",%0\n" " and $"STR(BYTES_PER_LONG-1)",%3\n" " .align 2,0x90\n" "0: rep; movs"__OS"\n" /* as many words as possible... */ " mov %3,%0\n" "1: rep; movsb\n" /* ...remainder copied as bytes */ "2:\n" ".section .fixup,\"ax\"\n" "5: add %3,%0\n" " jmp 6f\n" "3: lea 0(%3,%0,"STR(BYTES_PER_LONG)"),%0\n" "6: push %0\n" " push %%"__OP"ax\n" " xor %%eax,%%eax\n" " rep; stosb\n" " pop %%"__OP"ax\n" " pop %0\n" " jmp 2b\n" ".previous\n" ".section __ex_table,\"a\"\n" " "__FIXUP_ALIGN"\n" " "__FIXUP_WORD" 4b,5b\n" " "__FIXUP_WORD" 0b,3b\n" " "__FIXUP_WORD" 1b,6b\n" ".previous" : "=&c" (__n), "=&D" (__d0), "=&S" (__d1), "=&r" (__d2) : "0" (__n), "1" (to), "2" (from), "3" (__n) : "memory" ); return __n; } /** * copy_to_user: - Copy a block of data into user space. * @to: Destination address, in user space. * @from: Source address, in kernel space. * @n: Number of bytes to copy. * * Context: User context only. This function may sleep. * * Copy data from kernel space to user space. * * Returns number of bytes that could not be copied. * On success, this will be zero. */ unsigned long copy_to_user(void __user *to, const void *from, unsigned n) { if ( access_ok(to, n) ) n = __copy_to_user(to, from, n); return n; } /** * copy_from_user: - Copy a block of data from user space. * @to: Destination address, in kernel space. * @from: Source address, in user space. * @n: Number of bytes to copy. * * Context: User context only. This function may sleep. * * Copy data from user space to kernel space. * * Returns number of bytes that could not be copied. * On success, this will be zero. * * If some data could not be copied, this function will pad the copied * data to the requested size using zero bytes. */ unsigned long copy_from_user(void *to, const void __user *from, unsigned n) { if ( access_ok(from, n) ) n = __copy_from_user(to, from, n); else memset(to, 0, n); return n; } /* * Local variables: * mode: C * c-set-style: "BSD" * c-basic-offset: 4 * tab-width: 4 * indent-tabs-mode: nil * End: */ 'n24' href='#n24'>24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 
# -*- coding: utf-8 -*-
import pytest

m = pytest.importorskip("pybind11_tests.constants_and_functions")


def test_constants():
    assert m.some_constant == 14


def test_function_overloading():
    assert m.test_function() == "test_function()"
    assert m.test_function(7) == "test_function(7)"
    assert m.test_function(m.MyEnum.EFirstEntry) == "test_function(enum=1)"
    assert m.test_function(m.MyEnum.ESecondEntry) == "test_function(enum=2)"

    assert m.test_function() == "test_function()"
    assert m.test_function("abcd") == "test_function(char *)"
    assert m.test_function(1, 1.0) == "test_function(int, float)"
    assert m.test_function(1, 1.0) == "test_function(int, float)"
    assert m.test_function(2.0, 2) == "test_function(float, int)"


def test_bytes():
    assert m.print_bytes(m.return_bytes()) == "bytes[1 0 2 0]"


def test_exception_specifiers():
    c = m.C()
    assert c.m1(2) == 1
    assert c.m2(3) == 1
    assert c.m3(5) == 2
    assert c.m4(7) == 3
    assert c.m5(10) == 5
    assert c.m6(14) == 8
    assert c.m7(20) == 13
    assert c.m8(29) == 21

    assert m.f1(33) == 34
    assert m.f2(53) == 55
    assert m.f3(86) == 89
    assert m.f4(140) == 144
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