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