webrtc/rtc_base/system/asm_defines.h
Yves Gerey 665174fdbb Reformat the WebRTC code base
Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}
2018-06-19 14:00:39 +00:00

72 lines
1.7 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 RTC_BASE_SYSTEM_ASM_DEFINES_H_
#define RTC_BASE_SYSTEM_ASM_DEFINES_H_
// clang-format off
// clang formatting breaks everything here, e.g. concatenating directives,
// due to absence of context via asm keyword.
#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
.private_extern _\name
.endm
.macro DEFINE_FUNCTION name
_\name:
.endm
.macro CALL_FUNCTION name
bl _\name
.endm
.macro GLOBAL_LABEL name
.global _\name
.private_extern _\name
.endm
#else
.macro GLOBAL_FUNCTION name
.global \name
.hidden \name
.endm
.macro DEFINE_FUNCTION name
#if defined(__linux__) && defined(__ELF__)
.type \name,%function
#endif
\name:
.endm
.macro CALL_FUNCTION name
bl \name
.endm
.macro GLOBAL_LABEL name
.global \name
.hidden \name
.endm
#endif
// With Apple's clang compiler, 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.
#if (defined __llvm__) && (defined __APPLE__)
.macro streqh reg1, reg2, num
strheq \reg1, \reg2, \num
.endm
#endif
.text
// clang-format on
#endif // RTC_BASE_SYSTEM_ASM_DEFINES_H_