1 files changed, 68 insertions, 0 deletions
diff --git a/externals/breakpad/src/tools/mac/upload_system_symbols/arch_reader.go b/externals/breakpad/src/tools/mac/upload_system_symbols/arch_reader.go
new file mode 100644
index 0000000000..03a764215a
--- /dev/null
+++ b/externals/breakpad/src/tools/mac/upload_system_symbols/arch_reader.go
@@ -0,0 +1,68 @@
+/* Copyright 2014 Google LLC
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+ * Neither the name of Google LLC nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+package main
+
+import (
+	"debug/macho"
+)
+
+/*
+#include "arch_constants.h"
+*/
+import "C"
+
+// getArchStringFromHeader takes a MachO FileHeader and returns a string that
+// represents the CPU type and subtype.
+// This function is a Go version of src/common/mac/arch_utilities.cc:BreakpadGetArchInfoFromCpuType().
+func getArchStringFromHeader(header macho.FileHeader) string {
+	// TODO(rsesek): As of 10.9.4, OS X doesn't list these in /usr/include/mach/machine.h.
+	if header.Cpu == C.kCPU_TYPE_ARM64 && header.SubCpu == C.kCPU_SUBTYPE_ARM64_ALL {
+		return "arm64"
+	}
+	if header.Cpu == C.kCPU_TYPE_ARM64 && header.SubCpu == C.kCPU_SUBTYPE_ARM64_E {
+		return "arm64e"
+	}
+	if header.Cpu == C.kCPU_TYPE_ARM && header.SubCpu == C.kCPU_SUBTYPE_ARM_V7S {
+		return "armv7s"
+	}
+
+	cstr := C.GetNXArchInfoName(C.cpu_type_t(header.Cpu), C.cpu_subtype_t(header.SubCpu))
+	if cstr == nil {
+		return ""
+	}
+	return C.GoString(cstr)
+}
+
+const (
+	MachODylib    macho.Type = C.kMachHeaderFtypeDylib
+	MachOBundle              = C.kMachHeaderFtypeBundle
+	MachOExe                 = C.kMachHeaderFtypeExe
+	MachODylinker            = C.kMachHeaderFtypeDylinker
+)