Home | History | Annotate | Download | only in private
      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(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     .cfi_startproc \
     49 
     50 #define END(f) \
     51     .cfi_endproc; \
     52     .size f, .-f; \
     53     __bionic_asm_custom_end(f) \
     54 
     55 /* Like ENTRY, but with hidden visibility. */
     56 #define ENTRY_PRIVATE(f) \
     57     ENTRY(f); \
     58     .hidden f \
     59 
     60 #define ALIAS_SYMBOL(alias, original) \
     61     .globl alias; \
     62     .equ alias, original
     63 
     64 #endif /* _PRIVATE_BIONIC_ASM_H_ */
     65