Files
platform-external-webrtc/webrtc/system_wrappers/interface/asm_defines.h
kma@webrtc.org 2f9bd247ad Ported assembly coding in APM from Android to iOS.
Bugs=none
Test=trybots, and offline file bit-exact tests.
Review URL: https://webrtc-codereview.appspot.com/1066009

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3563 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-02-23 04:16:59 +00:00

60 lines
1.5 KiB
C

/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_ASM_DEFINES_H_
#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_ASM_DEFINES_H_
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
// Define the macros used in ARM assembly code, so that for Mac or iOS builds
// we add leading underscores for the function names.
#ifdef __APPLE__
.macro GLOBAL_FUNCTION name
.global _\name
.endm
.macro DEFINE_FUNCTION name
_\name:
.endm
.macro CALL_FUNCTION name
bl _\name
.endm
.macro GLOBAL_LABEL name
.global _\name
.endm
#else
.macro GLOBAL_FUNCTION name
.global \name
.endm
.macro DEFINE_FUNCTION name
\name:
.endm
.macro CALL_FUNCTION name
bl \name
.endm
.macro GLOBAL_LABEL name
.global \name
.endm
#endif
// With llvm and clang compilers, for instructions ldrb, strh, etc.,
// the condition code is after the width specifier. Here we define
// only the ones that are actually used in the assembly files.
#ifdef __llvm__
.macro streqh reg1, reg2, num
strheq \reg1, \reg2, \num
.endm
#endif
.text
#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_COMPILE_ASSERT_H_