Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/third_party/libwebrtc/rtc_base/system/asm_defines.h b/third_party/libwebrtc/rtc_base/system/asm_defines.h
new file mode 100644
index 0000000000..a7f6aad272
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/system/asm_defines.h
@@ -0,0 +1,72 @@
+/*
+ *  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_