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 .balign __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