8f8308c974
For the __release and __release_rt functions, the previous macros would add a dwarf cfi entry for the function with no values. This works with libunwind since it always tries the arm unwind information first. This change removes those entries by creating a no dwarf version of the assembler macro. Change-Id: Ib93e42fff5a79b8d770eab0071fdee7d2afa988d
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
|
|
* Copyright (C) 2013 The Android Open Source Project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _PRIVATE_BIONIC_ASM_H_
|
|
#define _PRIVATE_BIONIC_ASM_H_
|
|
|
|
#include <asm/unistd.h> /* For system call numbers. */
|
|
#define MAX_ERRNO 4095 /* For recognizing system call error returns. */
|
|
|
|
#define __bionic_asm_custom_entry(f)
|
|
#define __bionic_asm_custom_end(f)
|
|
#define __bionic_asm_function_type @function
|
|
|
|
#include <machine/asm.h>
|
|
|
|
#define ENTRY_NO_DWARF(f) \
|
|
.text; \
|
|
.globl f; \
|
|
.align __bionic_asm_align; \
|
|
.type f, __bionic_asm_function_type; \
|
|
f: \
|
|
__bionic_asm_custom_entry(f); \
|
|
|
|
#define ENTRY(f) \
|
|
ENTRY_NO_DWARF(f) \
|
|
.cfi_startproc \
|
|
|
|
#define END_NO_DWARF(f) \
|
|
.size f, .-f; \
|
|
__bionic_asm_custom_end(f) \
|
|
|
|
#define END(f) \
|
|
.cfi_endproc; \
|
|
END_NO_DWARF(f) \
|
|
|
|
/* Like ENTRY, but with hidden visibility. */
|
|
#define ENTRY_PRIVATE(f) \
|
|
ENTRY(f); \
|
|
.hidden f \
|
|
|
|
/* Like ENTRY_NO_DWARF, but with hidden visibility. */
|
|
#define ENTRY_PRIVATE_NO_DWARF(f) \
|
|
ENTRY_NO_DWARF(f); \
|
|
.hidden f \
|
|
|
|
#define ALIAS_SYMBOL(alias, original) \
|
|
.globl alias; \
|
|
.equ alias, original
|
|
|
|
#endif /* _PRIVATE_BIONIC_ASM_H_ */
|