1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _PRIVATE_BIONIC_ASM_H_
30#define _PRIVATE_BIONIC_ASM_H_
31
32#include <asm/unistd.h> /* For system call numbers. */
33#define MAX_ERRNO 4095  /* For recognizing system call error returns. */
34
35#define __bionic_asm_custom_entry(f)
36#define __bionic_asm_custom_end(f)
37#define __bionic_asm_function_type @function
38
39#include <machine/asm.h>
40
41#define ENTRY_NO_DWARF(f) \
42    .text; \
43    .globl f; \
44    .align __bionic_asm_align; \
45    .type f, __bionic_asm_function_type; \
46    f: \
47    __bionic_asm_custom_entry(f); \
48
49#define ENTRY(f) \
50    ENTRY_NO_DWARF(f) \
51    .cfi_startproc \
52
53#define END_NO_DWARF(f) \
54    .size f, .-f; \
55    __bionic_asm_custom_end(f) \
56
57#define END(f) \
58    .cfi_endproc; \
59    END_NO_DWARF(f) \
60
61/* Like ENTRY, but with hidden visibility. */
62#define ENTRY_PRIVATE(f) \
63    ENTRY(f); \
64    .hidden f \
65
66/* Like ENTRY_NO_DWARF, but with hidden visibility. */
67#define ENTRY_PRIVATE_NO_DWARF(f) \
68    ENTRY_NO_DWARF(f); \
69    .hidden f \
70
71#define ALIAS_SYMBOL(alias, original) \
72    .globl alias; \
73    .equ alias, original
74
75#endif /* _PRIVATE_BIONIC_ASM_H_ */
76