80154f6b28
This is required per binutil manual. https://sourceware.org/binutils/docs/as/Type.html#Type Otherwise, runtime SEGV_MAPERR if linked by GNU bfd linker. BUG=b/20218337 R=wzhong@chromium.org Review URL: https://webrtc-codereview.appspot.com/47059004 Patch from Wei Zhong <wzhong@chromium.org>. Cr-Commit-Position: refs/heads/master@{#9106}
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_ASM_DEFINES_H_
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#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_ASM_DEFINES_H_
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#if defined(__linux__) && defined(__ELF__)
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.section .note.GNU-stack,"",%progbits
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#endif
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// Define the macros used in ARM assembly code, so that for Mac or iOS builds
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// we add leading underscores for the function names.
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#ifdef __APPLE__
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.macro GLOBAL_FUNCTION name
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.global _\name
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.private_extern _\name
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.endm
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.macro DEFINE_FUNCTION name
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_\name:
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.endm
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.macro CALL_FUNCTION name
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bl _\name
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.endm
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.macro GLOBAL_LABEL name
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.global _\name
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.private_extern _\name
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.endm
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#else
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.macro GLOBAL_FUNCTION name
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.global \name
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.hidden \name
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.endm
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.macro DEFINE_FUNCTION name
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#if defined(__linux__) && defined(__ELF__)
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.type \name,%function
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#endif
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\name:
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.endm
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.macro CALL_FUNCTION name
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bl \name
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.endm
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.macro GLOBAL_LABEL name
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.global \name
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.hidden \name
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.endm
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#endif
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// With Apple's clang compiler, for instructions ldrb, strh, etc.,
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// the condition code is after the width specifier. Here we define
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// only the ones that are actually used in the assembly files.
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#if (defined __llvm__) && (defined __APPLE__)
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.macro streqh reg1, reg2, num
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strheq \reg1, \reg2, \num
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.endm
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#endif
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.text
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#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_ASM_DEFINES_H_
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